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| author | Jeff Garzik <jeff@garzik.org> | 2006-03-29 17:18:49 -0500 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-03-29 17:18:49 -0500 |
| commit | e02a4cabfcb9a999b74a2e2e6f13ffcb7ff2d606 (patch) | |
| tree | 2f3db60be4c57eca2a4c3ab3f3122dcf1ec0c624 /include | |
| parent | 600511e86babe3727264a0883a3a264f6fb6caf5 (diff) | |
| parent | f3cab8a0b1a772dc8b055b7affa567a366627c9e (diff) | |
| download | linux-e02a4cabfcb9a999b74a2e2e6f13ffcb7ff2d606.tar.gz linux-e02a4cabfcb9a999b74a2e2e6f13ffcb7ff2d606.tar.bz2 linux-e02a4cabfcb9a999b74a2e2e6f13ffcb7ff2d606.zip | |
Merge branch 'master'
Diffstat (limited to 'include')
389 files changed, 5417 insertions, 7481 deletions
diff --git a/include/asm-alpha/bitops.h b/include/asm-alpha/bitops.h index 302201f1a097..3f88715e811e 100644 --- a/include/asm-alpha/bitops.h +++ b/include/asm-alpha/bitops.h @@ -261,7 +261,7 @@ static inline unsigned long ffz_b(unsigned long x) static inline unsigned long ffz(unsigned long word) { -#if defined(__alpha_cix__) && defined(__alpha_fix__) +#if defined(CONFIG_ALPHA_EV6) && defined(CONFIG_ALPHA_EV67) /* Whee. EV67 can calculate it directly. */ return __kernel_cttz(~word); #else @@ -281,7 +281,7 @@ static inline unsigned long ffz(unsigned long word) */ static inline unsigned long __ffs(unsigned long word) { -#if defined(__alpha_cix__) && defined(__alpha_fix__) +#if defined(CONFIG_ALPHA_EV6) && defined(CONFIG_ALPHA_EV67) /* Whee. EV67 can calculate it directly. */ return __kernel_cttz(word); #else @@ -313,20 +313,20 @@ static inline int ffs(int word) /* * fls: find last bit set. */ -#if defined(__alpha_cix__) && defined(__alpha_fix__) +#if defined(CONFIG_ALPHA_EV6) && defined(CONFIG_ALPHA_EV67) static inline int fls(int word) { return 64 - __kernel_ctlz(word & 0xffffffff); } #else -#define fls generic_fls +#include <asm-generic/bitops/fls.h> #endif -#define fls64 generic_fls64 +#include <asm-generic/bitops/fls64.h> /* Compute powers of two for the given integer. */ static inline long floor_log2(unsigned long word) { -#if defined(__alpha_cix__) && defined(__alpha_fix__) +#if defined(CONFIG_ALPHA_EV6) && defined(CONFIG_ALPHA_EV67) return 63 - __kernel_ctlz(word); #else long bit; @@ -347,7 +347,7 @@ static inline long ceil_log2(unsigned long word) * of bits set) of a N-bit word */ -#if defined(__alpha_cix__) && defined(__alpha_fix__) +#if defined(CONFIG_ALPHA_EV6) && defined(CONFIG_ALPHA_EV67) /* Whee. EV67 can calculate it directly. */ static inline unsigned long hweight64(unsigned long w) { @@ -358,112 +358,12 @@ static inline unsigned long hweight64(unsigned long w) #define hweight16(x) (unsigned int) hweight64((x) & 0xfffful) #define hweight8(x) (unsigned int) hweight64((x) & 0xfful) #else -static inline unsigned long hweight64(unsigned long w) -{ - unsigned long result; - for (result = 0; w ; w >>= 1) - result += (w & 1); - return result; -} - -#define hweight32(x) generic_hweight32(x) -#define hweight16(x) generic_hweight16(x) -#define hweight8(x) generic_hweight8(x) +#include <asm-generic/bitops/hweight.h> #endif #endif /* __KERNEL__ */ -/* - * Find next zero bit in a bitmap reasonably efficiently.. - */ -static inline unsigned long -find_next_zero_bit(const void *addr, unsigned long size, unsigned long offset) -{ - const unsigned long *p = addr; - unsigned long result = offset & ~63UL; - unsigned long tmp; - - p += offset >> 6; - if (offset >= size) - return size; - size -= result; - offset &= 63UL; - if (offset) { - tmp = *(p++); - tmp |= ~0UL >> (64-offset); - if (size < 64) - goto found_first; - if (~tmp) - goto found_middle; - size -= 64; - result += 64; - } - while (size & ~63UL) { - if (~(tmp = *(p++))) - goto found_middle; - result += 64; - size -= 64; - } - if (!size) - return result; - tmp = *p; - found_first: - tmp |= ~0UL << size; - if (tmp == ~0UL) /* Are any bits zero? */ - return result + size; /* Nope. */ - found_middle: - return result + ffz(tmp); -} - -/* - * Find next one bit in a bitmap reasonably efficiently. - */ -static inline unsigned long -find_next_bit(const void * addr, unsigned long size, unsigned long offset) -{ - const unsigned long *p = addr; - unsigned long result = offset & ~63UL; - unsigned long tmp; - - p += offset >> 6; - if (offset >= size) - return size; - size -= result; - offset &= 63UL; - if (offset) { - tmp = *(p++); - tmp &= ~0UL << offset; - if (size < 64) - goto found_first; - if (tmp) - goto found_middle; - size -= 64; - result += 64; - } - while (size & ~63UL) { - if ((tmp = *(p++))) - goto found_middle; - result += 64; - size -= 64; - } - if (!size) - return result; - tmp = *p; - found_first: - tmp &= ~0UL >> (64 - size); - if (!tmp) - return result + size; - found_middle: - return result + __ffs(tmp); -} - -/* - * The optimizer actually does good code for this case. - */ -#define find_first_zero_bit(addr, size) \ - find_next_zero_bit((addr), (size), 0) -#define find_first_bit(addr, size) \ - find_next_bit((addr), (size), 0) +#include <asm-generic/bitops/find.h> #ifdef __KERNEL__ @@ -487,21 +387,12 @@ sched_find_first_bit(unsigned long b[3]) return __ffs(b0) + ofs; } +#include <asm-generic/bitops/ext2-non-atomic.h> -#define ext2_set_bit __test_and_set_bit #define ext2_set_bit_atomic(l,n,a) test_and_set_bit(n,a) -#define ext2_clear_bit __test_and_clear_bit #define ext2_clear_bit_atomic(l,n,a) test_and_clear_bit(n,a) -#define ext2_test_bit test_bit -#define ext2_find_first_zero_bit find_first_zero_bit -#define ext2_find_next_zero_bit find_next_zero_bit - -/* Bitmap functions for the minix filesystem. */ -#define minix_test_and_set_bit(nr,addr) __test_and_set_bit(nr,addr) -#define minix_set_bit(nr,addr) __set_bit(nr,addr) -#define minix_test_and_clear_bit(nr,addr) __test_and_clear_bit(nr,addr) -#define minix_test_bit(nr,addr) test_bit(nr,addr) -#define minix_find_first_zero_bit(addr,size) find_first_zero_bit(addr,size) + +#include <asm-generic/bitops/minix.h> #endif /* __KERNEL__ */ diff --git a/include/asm-alpha/fpu.h b/include/asm-alpha/fpu.h index c203fc2fa5cd..ecb17a72acc3 100644 --- a/include/asm-alpha/fpu.h +++ b/include/asm-alpha/fpu.h @@ -130,7 +130,7 @@ rdfpcr(void) { unsigned long tmp, ret; -#if defined(__alpha_cix__) || defined(__alpha_fix__) +#if defined(CONFIG_ALPHA_EV6) || defined(CONFIG_ALPHA_EV67) __asm__ __volatile__ ( "ftoit $f0,%0\n\t" "mf_fpcr $f0\n\t" @@ -154,7 +154,7 @@ wrfpcr(unsigned long val) { unsigned long tmp; -#if defined(__alpha_cix__) || defined(__alpha_fix__) +#if defined(CONFIG_ALPHA_EV6) || defined(CONFIG_ALPHA_EV67) __asm__ __volatile__ ( "ftoit $f0,%0\n\t" "itoft %1,$f0\n\t" diff --git a/include/asm-alpha/mmzone.h b/include/asm-alpha/mmzone.h index a011ef4cf3d3..192d80c875b0 100644 --- a/include/asm-alpha/mmzone.h +++ b/include/asm-alpha/mmzone.h @@ -59,9 +59,6 @@ PLAT_NODE_DATA_LOCALNR(unsigned long p, int n) #define kvaddr_to_nid(kaddr) pa_to_nid(__pa(kaddr)) #define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn) -#define local_mapnr(kvaddr) \ - ((__pa(kvaddr) >> PAGE_SHIFT) - node_start_pfn(kvaddr_to_nid(kvaddr))) - /* * Given a kaddr, LOCAL_BASE_ADDR finds the owning node of the memory * and returns the kaddr corresponding to first physical page in the @@ -86,8 +83,7 @@ PLAT_NODE_DATA_LOCALNR(unsigned long p, int n) pte_t pte; \ unsigned long pfn; \ \ - pfn = ((unsigned long)((page)-page_zone(page)->zone_mem_map)) << 32; \ - pfn += page_zone(page)->zone_start_pfn << 32; \ + pfn = page_to_pfn(page) << 32; \ pte_val(pte) = pfn | pgprot_val(pgprot); \ \ pte; \ @@ -104,19 +100,8 @@ PLAT_NODE_DATA_LOCALNR(unsigned long p, int n) __xx; \ }) -#define pfn_to_page(pfn) \ -({ \ - unsigned long kaddr = (unsigned long)__va((pfn) << PAGE_SHIFT); \ - (NODE_DATA(kvaddr_to_nid(kaddr))->node_mem_map + local_mapnr(kaddr)); \ -}) - -#define page_to_pfn(page) \ - ((page) - page_zone(page)->zone_mem_map + \ - (page_zone(page)->zone_start_pfn)) - #define page_to_pa(page) \ - ((( (page) - page_zone(page)->zone_mem_map ) \ - + page_zone(page)->zone_start_pfn) << PAGE_SHIFT) + (page_to_pfn(page) << PAGE_SHIFT) #define pfn_to_nid(pfn) pa_to_nid(((u64)(pfn) << PAGE_SHIFT)) #define pfn_valid(pfn) \ diff --git a/include/asm-alpha/page.h b/include/asm-alpha/page.h index fa0b41b164a7..61bcf70b5eac 100644 --- a/include/asm-alpha/page.h +++ b/include/asm-alpha/page.h @@ -85,8 +85,6 @@ typedef unsigned long pgprot_t; #define __pa(x) ((unsigned long) (x) - PAGE_OFFSET) #define __va(x) ((void *)((unsigned long) (x) + PAGE_OFFSET)) #ifndef CONFIG_DISCONTIGMEM -#define pfn_to_page(pfn) (mem_map + (pfn)) -#define page_to_pfn(page) ((unsigned long)((page) - mem_map)) #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) #define pfn_valid(pfn) ((pfn) < max_mapnr) @@ -95,9 +93,9 @@ typedef unsigned long pgprot_t; #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) - #endif /* __KERNEL__ */ +#include <asm-generic/memory_model.h> #include <asm-generic/page.h> #endif /* _ALPHA_PAGE_H */ diff --git a/include/asm-alpha/poll.h b/include/asm-alpha/poll.h index 34f333b762a0..76f89356b6a7 100644 --- a/include/asm-alpha/poll.h +++ b/include/asm-alpha/poll.h @@ -12,7 +12,9 @@ #define POLLWRNORM (1 << 8) #define POLLWRBAND (1 << 9) #define POLLMSG (1 << 10) -#define POLLREMOVE (1 << 11) +#define POLLREMOVE (1 << 12) +#define POLLRDHUP (1 << 13) + struct pollfd { int fd; diff --git a/include/asm-arm/arch-aaec2000/uncompress.h b/include/asm-arm/arch-aaec2000/uncompress.h index fff0c94b75c4..300f4bf3bc74 100644 --- a/include/asm-arm/arch-aaec2000/uncompress.h +++ b/include/asm-arm/arch-aaec2000/uncompress.h @@ -15,7 +15,7 @@ #define UART(x) (*(volatile unsigned long *)(serial_port + (x))) -static void putstr( const char *s ) +static void putc(int c) { unsigned long serial_port; do { @@ -28,17 +28,16 @@ static void putstr( const char *s ) return; } while (0); - for (; *s; s++) { - /* wait for space in the UART's transmitter */ - while ((UART(UART_SR) & UART_SR_TxFF)); - /* send the character out. */ - UART(UART_DR) = *s; - /* if a LF, also do CR... */ - if (*s == 10) { - while ((UART(UART_SR) & UART_SR_TxFF)); - UART(UART_DR) = 13; - } - } + /* wait for space in the UART's transmitter */ + while ((UART(UART_SR) & UART_SR_TxFF)) + barrier(); + + /* send the character out. */ + UART(UART_DR) = c; +} + +static inline void flush(void) +{ } #define arch_decomp_setup() diff --git a/include/asm-arm/arch-at91rm9200/at91rm9200_emac.h b/include/asm-arm/arch-at91rm9200/at91rm9200_emac.h new file mode 100644 index 000000000000..fbc091e61e2f --- /dev/null +++ b/include/asm-arm/arch-at91rm9200/at91rm9200_emac.h @@ -0,0 +1,138 @@ +/* + * include/asm-arm/arch-at91rm9200/at91rm9200_emac.h + * + * Copyright (C) 2005 Ivan Kokshaysky + * Copyright (C) SAN People + * + * Ethernet MAC registers. + * Based on AT91RM9200 datasheet revision E. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef AT91RM9200_EMAC_H +#define AT91RM9200_EMAC_H + +#define AT91_EMAC_CTL 0x00 /* Control Register */ +#define AT91_EMAC_LB (1 << 0) /* Loopback */ +#define AT91_EMAC_LBL (1 << 1) /* Loopback Local */ +#define AT91_EMAC_RE (1 << 2) /* Receive Enable */ +#define AT91_EMAC_TE (1 << 3) /* Transmit Enable */ +#define AT91_EMAC_MPE (1 << 4) /* Management Port Enable */ +#define AT91_EMAC_CSR (1 << 5) /* Clear Statistics Registers */ +#define AT91_EMAC_INCSTAT (1 << 6) /* Increment Statistics Registers */ +#define AT91_EMAC_WES (1 << 7) /* Write Enable for Statistics Registers */ +#define AT91_EMAC_BP (1 << 8) /* Back Pressure */ + +#define AT91_EMAC_CFG 0x04 /* Configuration Register */ +#define AT91_EMAC_SPD (1 << 0) /* Speed */ +#define AT91_EMAC_FD (1 << 1) /* Full Duplex */ +#define AT91_EMAC_BR (1 << 2) /* Bit Rate */ +#define AT91_EMAC_CAF (1 << 4) /* Copy All Frames */ +#define AT91_EMAC_NBC (1 << 5) /* No Broadcast */ +#define AT91_EMAC_MTI (1 << 6) /* Multicast Hash Enable */ +#define AT91_EMAC_UNI (1 << 7) /* Unicast Hash Enable */ +#define AT91_EMAC_BIG (1 << 8) /* Receive 1522 Bytes */ +#define AT91_EMAC_EAE (1 << 9) /* External Address Match Enable */ +#define AT91_EMAC_CLK (3 << 10) /* MDC Clock Divisor */ +#define AT91_EMAC_CLK_DIV8 (0 << 10) +#define AT91_EMAC_CLK_DIV16 (1 << 10) +#define AT91_EMAC_CLK_DIV32 (2 << 10) +#define AT91_EMAC_CLK_DIV64 (3 << 10) +#define AT91_EMAC_RTY (1 << 12) /* Retry Test */ +#define AT91_EMAC_RMII (1 << 13) /* Reduce MII (RMII) */ + +#define AT91_EMAC_SR 0x08 /* Status Register */ +#define AT91_EMAC_SR_LINK (1 << 0) /* Link */ +#define AT91_EMAC_SR_MDIO (1 << 1) /* MDIO pin */ +#define AT91_EMAC_SR_IDLE (1 << 2) /* PHY idle */ + +#define AT91_EMAC_TAR 0x0c /* Transmit Address Register */ + +#define AT91_EMAC_TCR 0x10 /* Transmit Control Register */ +#define AT91_EMAC_LEN (0x7ff << 0) /* Transmit Frame Length */ +#define AT91_EMAC_NCRC (1 << 15) /* No CRC */ + +#define AT91_EMAC_TSR 0x14 /* Transmit Status Register */ +#define AT91_EMAC_TSR_OVR (1 << 0) /* Transmit Buffer Overrun */ +#define AT91_EMAC_TSR_COL (1 << 1) /* Collision Occurred */ +#define AT91_EMAC_TSR_RLE (1 << 2) /* Retry Limit Exceeded */ +#define AT91_EMAC_TSR_IDLE (1 << 3) /* Transmitter Idle */ +#define AT91_EMAC_TSR_BNQ (1 << 4) /* Transmit Buffer not Queued */ +#define AT91_EMAC_TSR_COMP (1 << 5) /* Transmit Complete */ +#define AT91_EMAC_TSR_UND (1 << 6) /* Transmit Underrun */ + +#define AT91_EMAC_RBQP 0x18 /* Receive Buffer Queue Pointer */ + +#define AT91_EMAC_RSR 0x20 /* Receive Status Register */ +#define AT91_EMAC_RSR_BNA (1 << 0) /* Buffer Not Available */ +#define AT91_EMAC_RSR_REC (1 << 1) /* Frame Received */ +#define AT91_EMAC_RSR_OVR (1 << 2) /* RX Overrun */ + +#define AT91_EMAC_ISR 0x24 /* Interrupt Status Register */ +#define AT91_EMAC_DONE (1 << 0) /* Management Done */ +#define AT91_EMAC_RCOM (1 << 1) /* Receive Complete */ +#define AT91_EMAC_RBNA (1 << 2) /* Receive Buffer Not Available */ +#define AT91_EMAC_TOVR (1 << 3) /* Transmit Buffer Overrun */ +#define AT91_EMAC_TUND (1 << 4) /* Transmit Buffer Underrun */ +#define AT91_EMAC_RTRY (1 << 5) /* Retry Limit */ +#define AT91_EMAC_TBRE (1 << 6) /* Transmit Buffer Register Empty */ +#define AT91_EMAC_TCOM (1 << 7) /* Transmit Complete */ +#define AT91_EMAC_TIDLE (1 << 8) /* Transmit Idle */ +#define AT91_EMAC_LINK (1 << 9) /* Link */ +#define AT91_EMAC_ROVR (1 << 10) /* RX Overrun */ +#define AT91_EMAC_ABT (1 << 11) /* Abort */ + +#define AT91_EMAC_IER 0x28 /* Interrupt Enable Register */ +#define AT91_EMAC_IDR 0x2c /* Interrupt Disable Register */ +#define AT91_EMAC_IMR 0x30 /* Interrupt Mask Register */ + +#define AT91_EMAC_MAN 0x34 /* PHY Maintenance Register */ +#define AT91_EMAC_DATA (0xffff << 0) /* MDIO Data */ +#define AT91_EMAC_REGA (0x1f << 18) /* MDIO Register */ +#define AT91_EMAC_PHYA (0x1f << 23) /* MDIO PHY Address */ +#define AT91_EMAC_RW (3 << 28) /* Read/Write operation */ +#define AT91_EMAC_RW_W (1 << 28) +#define AT91_EMAC_RW_R (2 << 28) +#define AT91_EMAC_MAN_802_3 0x40020000 /* IEEE 802.3 value */ + +/* + * Statistics Registers. + */ +#define AT91_EMAC_FRA 0x40 /* Frames Transmitted OK */ +#define AT91_EMAC_SCOL 0x44 /* Single Collision Frame */ +#define AT91_EMAC_MCOL 0x48 /* Multiple Collision Frame */ +#define AT91_EMAC_OK 0x4c /* Frames Received OK */ +#define AT91_EMAC_SEQE 0x50 /* Frame Check Sequence Error */ +#define AT91_EMAC_ALE 0x54 /* Alignmemt Error */ +#define AT91_EMAC_DTE 0x58 /* Deffered Transmission Frame */ +#define AT91_EMAC_LCOL 0x5c /* Late Collision */ +#define AT91_EMAC_ECOL 0x60 /* Excessive Collision */ +#define AT91_EMAC_TUE 0x64 /* Transmit Underrun Error */ +#define AT91_EMAC_CSE 0x68 /* Carrier Sense Error */ +#define AT91_EMAC_DRFC 0x6c /* Discard RX Frame */ +#define AT91_EMAC_ROV 0x70 /* Receive Overrun */ +#define AT91_EMAC_CDE 0x74 /* Code Error */ +#define AT91_EMAC_ELR 0x78 /* Excessive Length Error */ +#define AT91_EMAC_RJB 0x7c /* Receive Jabber */ +#define AT91_EMAC_USF 0x80 /* Undersize Frame */ +#define AT91_EMAC_SQEE 0x84 /* SQE Test Error */ + +/* + * Address Registers. + */ +#define AT91_EMAC_HSL 0x90 /* Hash Address Low [31:0] */ +#define AT91_EMAC_HSH 0x94 /* Hash Address High [63:32] */ +#define AT91_EMAC_SA1L 0x98 /* Specific Address 1 Low, bytes 0-3 */ +#define AT91_EMAC_SA1H 0x9c /* Specific Address 1 High, bytes 4-5 */ +#define AT91_EMAC_SA2L 0xa0 /* Specific Address 2 Low, bytes 0-3 */ +#define AT91_EMAC_SA2H 0xa4 /* Specific Address 2 High, bytes 4-5 */ +#define AT91_EMAC_SA3L 0xa8 /* Specific Address 3 Low, bytes 0-3 */ +#define AT91_EMAC_SA3H 0xac /* Specific Address 3 High, bytes 4-5 */ +#define AT91_EMAC_SA4L 0xb0 /* Specific Address 4 Low, bytes 0-3 */ +#define AT91_EMAC_SA4H 0xb4 /* Specific Address 4 High, bytes 4-5 */ + +#endif diff --git a/include/asm-arm/arch-at91rm9200/at91rm9200_sys.h b/include/asm-arm/arch-at91rm9200/at91rm9200_sys.h index 9bfffdbf1e0b..2910d359f919 100644 --- a/include/asm-arm/arch-at91rm9200/at91rm9200_sys.h +++ b/include/asm-arm/arch-at91rm9200/at91rm9200_sys.h @@ -172,6 +172,7 @@ #define AT91_PMC_MDIV_4 (3 << 8) #define AT91_PMC_PCKR(n) (AT91_PMC + 0x40 + ((n) * 4)) /* Programmable Clock 0-3 Registers */ + #define AT91_PMC_IER (AT91_PMC + 0x60) /* Interrupt Enable Register */ #define AT91_PMC_IDR (AT91_PMC + 0x64) /* Interrupt Disable Register */ #define AT91_PMC_SR (AT91_PMC + 0x68) /* Status Register */ @@ -286,8 +287,32 @@ #define AT91_MC_RCB (1 << 0) /* Remap Command Bit */ #define AT91_MC_ASR (AT91_MC + 0x04) /* MC Abort Status Register */ +#define AT91_MC_UNADD (1 << 0) /* Undefined Address Abort Status */ +#define AT91_MC_MISADD (1 << 1) /* Misaligned Address Abort Status */ +#define AT91_MC_ABTSZ (3 << 8) /* Abort Size Status */ +#define AT91_MC_ABTSZ_BYTE (0 << 8) +#define AT91_MC_ABTSZ_HALFWORD (1 << 8) +#define AT91_MC_ABTSZ_WORD (2 << 8) +#define AT91_MC_ABTTYP (3 << 10) /* Abort Type Status */ +#define AT91_MC_ABTTYP_DATAREAD (0 << 10) +#define AT91_MC_ABTTYP_DATAWRITE (1 << 10) +#define AT91_MC_ABTTYP_FETCH (2 << 10) +#define AT91_MC_MST0 (1 << 16) /* ARM920T Abort Source */ +#define AT91_MC_MST1 (1 << 17) /* PDC Abort Source */ +#define AT91_MC_MST2 (1 << 18) /* UHP Abort Source */ +#define AT91_MC_MST3 (1 << 19) /* EMAC Abort Source */ +#define AT91_MC_SVMST0 (1 << 24) /* Saved ARM920T Abort Source */ +#define AT91_MC_SVMST1 (1 << 25) /* Saved PDC Abort Source */ +#define AT91_MC_SVMST2 (1 << 26) /* Saved UHP Abort Source */ +#define AT91_MC_SVMST3 (1 << 27) /* Saved EMAC Abort Source */ + #define AT91_MC_AASR (AT91_MC + 0x08) /* MC Abort Address Status Register */ + #define AT91_MC_MPR (AT91_MC + 0x0c) /* MC Master Priority Register */ +#define AT91_MPR_MSTP0 (7 << 0) /* ARM920T Priority */ +#define AT91_MPR_MSTP1 (7 << 4) /* PDC Priority */ +#define AT91_MPR_MSTP2 (7 << 8) /* UHP Priority */ +#define AT91_MPR_MSTP3 (7 << 12) /* EMAC Priority */ /* External Bus Interface (EBI) registers */ #define AT91_EBI_CSA (AT91_MC + 0x60) /* Chip Select Assignment Register */ @@ -309,8 +334,10 @@ /* Static Memory Controller (SMC) registers */ #define AT91_SMC_CSR(n) (AT91_MC + 0x70 + ((n) * 4))/* SMC Chip Select Register */ #define AT91_SMC_NWS (0x7f << 0) /* Number of Wait States */ +#define AT91_SMC_NWS_(x) ((x) << 0) #define AT91_SMC_WSEN (1 << 7) /* Wait State Enable */ #define AT91_SMC_TDF (0xf << 8) /* Data Float Time */ +#define AT91_SMC_TDF_(x) ((x) << 8) #define AT91_SMC_BAT (1 << 12) /* Byte Access Type */ #define AT91_SMC_DBW (3 << 13) /* Data Bus Width */ #define AT91_SMC_DBW_16 (1 << 13) @@ -322,7 +349,78 @@ #define AT91_SMC_ACSS_2 (2 << 16) #define AT91_SMC_ACSS_3 (3 << 16) #define AT91_SMC_RWSETUP (7 << 24) /* Read & Write Signal Time Setup */ +#define AT91_SMC_RWSETUP_(x) ((x) << 24) #define AT91_SMC_RWHOLD (7 << 28) /* Read & Write Signal Hold Time */ - +#define AT91_SMC_RWHOLD_(x) ((x) << 28) + +/* SDRAM Controller registers */ +#define AT91_SDRAMC_MR (AT91_MC + 0x90) /* Mode Register */ +#define AT91_SDRAMC_MODE (0xf << 0) /* Command Mode */ +#define AT91_SDRAMC_MODE_NORMAL (0 << 0) +#define AT91_SDRAMC_MODE_NOP (1 << 0) +#define AT91_SDRAMC_MODE_PRECHARGE (2 << 0) +#define AT91_SDRAMC_MODE_LMR (3 << 0) +#define AT91_SDRAMC_MODE_REFRESH (4 << 0) +#define AT91_SDRAMC_DBW (1 << 4) /* Data Bus Width */ +#define AT91_SDRAMC_DBW_32 (0 << 4) +#define AT91_SDRAMC_DBW_16 (1 << 4) + +#define AT91_SDRAMC_TR (AT91_MC + 0x94) /* Refresh Timer Register */ +#define AT91_SDRAMC_COUNT (0xfff << 0) /* Refresh Timer Count */ + +#define AT91_SDRAMC_CR (AT91_MC + 0x98) /* Configuration Register */ +#define AT91_SDRAMC_NC (3 << 0) /* Number of Column Bits */ +#define AT91_SDRAMC_NC_8 (0 << 0) +#define AT91_SDRAMC_NC_9 (1 << 0) +#define AT91_SDRAMC_NC_10 (2 << 0) +#define AT91_SDRAMC_NC_11 (3 << 0) +#define AT91_SDRAMC_NR (3 << 2) /* Number of Row Bits */ +#define AT91_SDRAMC_NR_11 (0 << 2) +#define AT91_SDRAMC_NR_12 (1 << 2) +#define AT91_SDRAMC_NR_13 (2 << 2) +#define AT91_SDRAMC_NB (1 << 4) /* Number of Banks */ +#define AT91_SDRAMC_NB_2 (0 << 4) +#define AT91_SDRAMC_NB_4 (1 << 4) +#define AT91_SDRAMC_CAS (3 << 5) /* CAS Latency */ +#define AT91_SDRAMC_CAS_2 (2 << 5) +#define AT91_SDRAMC_TWR (0xf << 7) /* Write Recovery Delay */ +#define AT91_SDRAMC_TRC (0xf << 11) /* Row Cycle Delay */ +#define AT91_SDRAMC_TRP (0xf << 15) /* Row Precharge Delay */ +#define AT91_SDRAMC_TRCD (0xf << 19) /* Row to Column Delay */ +#define AT91_SDRAMC_TRAS (0xf << 23) /* Active to Precharge Delay */ +#define AT91_SDRAMC_TXSR (0xf << 27) /* Exit Self Refresh to Active Delay */ + +#define AT91_SDRAMC_SRR (AT91_MC + 0x9c) /* Self Refresh Register */ +#define AT91_SDRAMC_LPR (AT91_MC + 0xa0) /* Low Power Register */ +#define AT91_SDRAMC_IER (AT91_MC + 0xa4) /* Interrupt Enable Register */ +#define AT91_SDRAMC_IDR (AT91_MC + 0xa8) /* Interrupt Disable Register */ +#define AT91_SDRAMC_IMR (AT91_MC + 0xac) /* Interrupt Mask Register */ +#define AT91_SDRAMC_ISR (AT91_MC + 0xb0) /* Interrupt Status Register */ + +/* Burst Flash Controller register */ +#define AT91_BFC_MR (AT91_MC + 0xc0) /* Mode Register */ +#define AT91_BFC_BFCOM (3 << 0) /* Burst Flash Controller Operating Mode */ +#define AT91_BFC_BFCOM_DISABLED (0 << 0) +#define AT91_BFC_BFCOM_ASYNC (1 << 0) +#define AT91_BFC_BFCOM_BURST (2 << 0) +#define AT91_BFC_BFCC (3 << 2) /* Burst Flash Controller Clock */ +#define AT91_BFC_BFCC_MCK (1 << 2) +#define AT91_BFC_BFCC_DIV2 (2 << 2) +#define AT91_BFC_BFCC_DIV4 (3 << 2) +#define AT91_BFC_AVL (0xf << 4) /* Address Valid Latency */ +#define AT91_BFC_PAGES (7 << 8) /* Page Size */ +#define AT91_BFC_PAGES_NO_PAGE (0 << 8) +#define AT91_BFC_PAGES_16 (1 << 8) +#define AT91_BFC_PAGES_32 (2 << 8) +#define AT91_BFC_PAGES_64 (3 << 8) +#define AT91_BFC_PAGES_128 (4 << 8) +#define AT91_BFC_PAGES_256 (5 << 8) +#define AT91_BFC_PAGES_512 (6 << 8) +#define AT91_BFC_PAGES_1024 (7 << 8) +#define AT91_BFC_OEL (3 << 12) /* Output Enable Latency */ +#define AT91_BFC_BAAEN (1 << 16) /* Burst Address Advance Enable */ +#define AT91_BFC_BFOEH (1 << 17) /* Burst Flash Output Enable Handling */ +#define AT91_BFC_MUXEN (1 << 18) /* Multiplexed Bus Enable */ +#define AT91_BFC_RDYEN (1 << 19) /* Ready Enable Mode */ #endif diff --git a/include/asm-arm/arch-at91rm9200/uncompress.h b/include/asm-arm/arch-at91rm9200/uncompress.h index b30dd5520713..7b38497c24b5 100644 --- a/include/asm-arm/arch-at91rm9200/uncompress.h +++ b/include/asm-arm/arch-at91rm9200/uncompress.h @@ -31,21 +31,22 @@ * * This does not append a newline */ -static void putstr(const char *s) +static void putc(int c) +{ + void __iomem *sys = (void __iomem *) AT91_BASE_SYS; /* physical address */ + + while (!(__raw_readl(sys + AT91_DBGU_SR) & AT91_DBGU_TXRDY)) + barrier(); + __raw_writel(c, sys + AT91_DBGU_THR); +} + +static inline void flush(void) { void __iomem *sys = (void __iomem *) AT91_BASE_SYS; /* physical address */ - while (*s) { - while (!(__raw_readl(sys + AT91_DBGU_SR) & AT91_DBGU_TXRDY)) { barrier(); } - __raw_writel(*s, sys + AT91_DBGU_THR); - if (*s == '\n') { - while (!(__raw_readl(sys + AT91_DBGU_SR) & AT91_DBGU_TXRDY)) { barrier(); } - __raw_writel('\r', sys + AT91_DBGU_THR); - } - s++; - } /* wait for transmission to complete */ - while (!(__raw_readl(sys + AT91_DBGU_SR) & AT91_DBGU_TXEMPTY)) { barrier(); } + while (!(__raw_readl(sys + AT91_DBGU_SR) & AT91_DBGU_TXEMPTY)) + barrier(); } #define arch_decomp_setup() diff --git a/include/asm-arm/arch-cl7500/uncompress.h b/include/asm-arm/arch-cl7500/uncompress.h index 68601b3e3b95..c437e0c88c3f 100644 --- a/include/asm-arm/arch-cl7500/uncompress.h +++ b/include/asm-arm/arch-cl7500/uncompress.h @@ -3,27 +3,19 @@ * * Copyright (C) 1999, 2000 Nexus Electronics Ltd. */ - #define BASE 0x03010000 #define SERBASE (BASE + (0x2f8 << 2)) -static __inline__ void putc(char c) +static inline void putc(char c) { - while (!(*((volatile unsigned int *)(SERBASE + 0x14)) & 0x20)); + while (!(*((volatile unsigned int *)(SERBASE + 0x14)) & 0x20)) + barrier(); + *((volatile unsigned int *)(SERBASE)) = c; } -/* - * This does not append a newline - */ -static void putstr(const char *s) +static inline void flush(void) { - while (*s) { - putc(*s); - if (*s == '\n') - putc('\r'); - s++; - } } static __inline__ void arch_decomp_setup(void) diff --git a/include/asm-arm/arch-clps711x/uncompress.h b/include/asm-arm/arch-clps711x/uncompress.h index 9fc4bcfa1681..07157b7e4b20 100644 --- a/include/asm-arm/arch-clps711x/uncompress.h +++ b/include/asm-arm/arch-clps711x/uncompress.h @@ -25,7 +25,6 @@ #undef CLPS7111_BASE #define CLPS7111_BASE CLPS7111_PHYS_BASE -#define barrier() __asm__ __volatile__("": : :"memory") #define __raw_readl(p) (*(unsigned long *)(p)) #define __raw_writel(v,p) (*(unsigned long *)(p) = (v)) @@ -40,21 +39,15 @@ /* * This does not append a newline */ -static void putstr(const char *s) +static inline void putc(int c) { - char c; - - while ((c = *s++) != '\0') { - while (clps_readl(SYSFLGx) & SYSFLG_UTXFF) - barrier(); - clps_writel(c, UARTDRx); + while (clps_readl(SYSFLGx) & SYSFLG_UTXFF) + barrier(); + clps_writel(c, UARTDRx); +} - if (c == '\n') { - while (clps_readl(SYSFLGx) & SYSFLG_UTXFF) - barrier(); - clps_writel('\r', UARTDRx); - } - } +static inline void flush(void) +{ while (clps_readl(SYSFLGx) & SYSFLG_UBUSY) barrier(); } diff --git a/include/asm-arm/arch-ebsa110/uncompress.h b/include/asm-arm/arch-ebsa110/uncompress.h index eee95581a923..66b19c7fd908 100644 --- a/include/asm-arm/arch-ebsa110/uncompress.h +++ b/include/asm-arm/arch-ebsa110/uncompress.h @@ -8,33 +8,34 @@ * published by the Free Software Foundation. */ +#include <linux/serial_reg.h> + +#define SERIAL_BASE ((unsigned char *)0xfe000be0) + /* * This does not append a newline */ -static void putstr(const char *s) +static inline void putc(int c) +{ + unsigned char v, *base = SERIAL_BASE; + + do { + v = base[UART_LSR << 2]; + barrier(); + } while (!(v & UART_LSR_THRE)); + + base[UART_TX << 2] = c; +} + +static inline void flush(void) { - unsigned long tmp1, tmp2; - __asm__ __volatile__( - "ldrb %0, [%2], #1\n" -" teq %0, #0\n" -" beq 3f\n" -"1: strb %0, [%3]\n" -"2: ldrb %1, [%3, #0x14]\n" -" and %1, %1, #0x60\n" -" teq %1, #0x60\n" -" bne 2b\n" -" teq %0, #'\n'\n" -" moveq %0, #'\r'\n" -" beq 1b\n" -" ldrb %0, [%2], #1\n" -" teq %0, #0\n" -" bne 1b\n" -"3: ldrb %1, [%3, #0x14]\n" -" and %1, %1, #0x60\n" -" teq %1, #0x60\n" -" bne 3b" - : "=&r" (tmp1), "=&r" (tmp2) - : "r" (s), "r" (0xf0000be0) : "cc"); + unsigned char v, *base = SERIAL_BASE; + + do { + v = base[UART_LSR << 2]; + barrier(); + } while ((v & (UART_LSR_TEMT|UART_LSR_THRE)) != + (UART_LSR_TEMT|UART_LSR_THRE)); } /* diff --git a/include/asm-arm/arch-ebsa285/uncompress.h b/include/asm-arm/arch-ebsa285/uncompress.h index c2fd84e2d90e..86142c882b3a 100644 --- a/include/asm-arm/arch-ebsa285/uncompress.h +++ b/include/asm-arm/arch-ebsa285/uncompress.h @@ -15,10 +15,11 @@ #define DC21285_BASE ((volatile unsigned int *)0x42000160) #define SER0_BASE ((volatile unsigned char *)0x7c0003f8) -static __inline__ void putc(char c) +static inline void putc(char c) { if (machine_is_netwinder()) { - while ((SER0_BASE[5] & 0x60) != 0x60); + while ((SER0_BASE[5] & 0x60) != 0x60) + barrier(); SER0_BASE[0] = c; } else { while (DC21285_BASE[6] & 8); @@ -26,17 +27,8 @@ static __inline__ void putc(char c) } } -/* - * This does not append a newline - */ -static void putstr(const char *s) +static inline void flush(void) { - while (*s) { - putc(*s); - if (*s == '\n') - putc('\r'); - s++; - } } /* diff --git a/include/asm-arm/arch-ep93xx/uncompress.h b/include/asm-arm/arch-ep93xx/uncompress.h index 4410d217077e..c15274c85d5d 100644 --- a/include/asm-arm/arch-ep93xx/uncompress.h +++ b/include/asm-arm/arch-ep93xx/uncompress.h @@ -16,17 +16,27 @@ static unsigned char __raw_readb(unsigned int ptr) return *((volatile unsigned char *)ptr); } +static unsigned int __raw_readl(unsigned int ptr) +{ + return *((volatile unsigned int *)ptr); +} + static void __raw_writeb(unsigned char value, unsigned int ptr) { *((volatile unsigned char *)ptr) = value; } +static void __raw_writel(unsigned int value, unsigned int ptr) +{ + *((volatile unsigned int *)ptr) = value; +} + #define PHYS_UART1_DATA 0x808c0000 #define PHYS_UART1_FLAG 0x808c0018 #define UART1_FLAG_TXFF 0x20 -static __inline__ void putc(char c) +static inline void putc(int c) { int i; @@ -39,15 +49,37 @@ static __inline__ void putc(char c) __raw_writeb(c, PHYS_UART1_DATA); } -static void putstr(const char *s) +static inline void flush(void) { - while (*s) { - putc(*s); - if (*s == '\n') - putc('\r'); - s++; - } } -#define arch_decomp_setup() + +/* + * Some bootloaders don't turn off DMA from the ethernet MAC before + * jumping to linux, which means that we might end up with bits of RX + * status and packet data scribbled over the uncompressed kernel image. + * Work around this by resetting the ethernet MAC before we uncompress. + */ +#define PHYS_ETH_SELF_CTL 0x80010020 +#define ETH_SELF_CTL_RESET 0x00000001 + +static void ethernet_reset(void) +{ + unsigned int v; + + /* Reset the ethernet MAC. */ + v = __raw_readl(PHYS_ETH_SELF_CTL); + __raw_writel(v | ETH_SELF_CTL_RESET, PHYS_ETH_SELF_CTL); + + /* Wait for reset to finish. */ + while (__raw_readl(PHYS_ETH_SELF_CTL) & ETH_SELF_CTL_RESET) + ; +} + + +static void arch_decomp_setup(void) +{ + ethernet_reset(); +} + #define arch_decomp_wdog() diff --git a/include/asm-arm/arch-h720x/uncompress.h b/include/asm-arm/arch-h720x/uncompress.h index 9535764bcc71..18c69e0f3585 100644 --- a/include/asm-arm/arch-h720x/uncompress.h +++ b/include/asm-arm/arch-h720x/uncompress.h @@ -12,22 +12,20 @@ #define LSR 0x14 #define TEMPTY 0x40 -static void putstr(const char *s) +static inline void putc(int c) { - char c; volatile unsigned char *p = (volatile unsigned char *)(IO_PHYS+0x20000); - while ( (c = *s++) != '\0') { - /* wait until transmit buffer is empty */ - while((p[LSR] & TEMPTY) == 0x0); - /* write next character */ - *p = c; - - if(c == '\n') { - while((p[LSR] & TEMPTY) == 0x0); - *p = '\r'; - } - } + /* wait until transmit buffer is empty */ + while((p[LSR] & TEMPTY) == 0x0) + barrier(); + + /* write next character */ + *p = c; +} + +static inline void flush(void) +{ } /* diff --git a/include/asm-arm/arch-imx/uncompress.h b/include/asm-arm/arch-imx/uncompress.h index 096077f2750b..da333f69136f 100644 --- a/include/asm-arm/arch-imx/uncompress.h +++ b/include/asm-arm/arch-imx/uncompress.h @@ -39,8 +39,7 @@ * * This does not append a newline */ -static void -putstr(const char *s) +static void putc(int c) { unsigned long serial_port; @@ -54,20 +53,14 @@ putstr(const char *s) return; } while(0); - while (*s) { - while ( !(UART(USR2) & USR2_TXFE) ) - barrier(); + while (!(UART(USR2) & USR2_TXFE)) + barrier(); - UART(TXR) = *s; - - if (*s == '\n') { - while ( !(UART(USR2) & USR2_TXFE) ) - barrier(); + UART(TXR) = c; +} - UART(TXR) = '\r'; - } - s++; - } +static inline void flush(void) +{ } /* diff --git a/include/asm-arm/arch-integrator/uncompress.h b/include/asm-arm/arch-integrator/uncompress.h index 3957402741d3..f61825c4d901 100644 --- a/include/asm-arm/arch-integrator/uncompress.h +++ b/include/asm-arm/arch-integrator/uncompress.h @@ -28,21 +28,18 @@ /* * This does not append a newline */ -static void putstr(const char *s) +static void putc(int c) { - while (*s) { - while (AMBA_UART_FR & (1 << 5)); + while (AMBA_UART_FR & (1 << 5)) + barrier(); - AMBA_UART_DR = *s; - - if (*s == '\n') { - while (AMBA_UART_FR & (1 << 5)); + AMBA_UART_DR = c; +} - AMBA_UART_DR = '\r'; - } - s++; - } - while (AMBA_UART_FR & (1 << 3)); +static inline void flush(void) +{ + while (AMBA_UART_FR & (1 << 3)) + barrier(); } /* diff --git a/include/asm-arm/arch-iop3xx/uncompress.h b/include/asm-arm/arch-iop3xx/uncompress.h index 82b88762c3cc..c98eb6254b1f 100644 --- a/include/asm-arm/arch-iop3xx/uncompress.h +++ b/include/asm-arm/arch-iop3xx/uncompress.h @@ -19,23 +19,15 @@ static volatile UTYPE uart_base; #define TX_DONE (UART_LSR_TEMT|UART_LSR_THRE) -static __inline__ void putc(char c) +static inline void putc(char c) { - while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE); + while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE) + barrier(); *uart_base = c; } -/* - * This does not append a newline - */ -static void putstr(const char *s) +static inline void flush(void) { - while (*s) { - putc(*s); - if (*s == '\n') - putc('\r'); - s++; - } } static __inline__ void __arch_decomp_setup(unsigned long arch_id) diff --git a/include/asm-arm/arch-ixp2000/uncompress.h b/include/asm-arm/arch-ixp2000/uncompress.h index 3d3d5b2ed6e9..f66b408f363e 100644 --- a/include/asm-arm/arch-ixp2000/uncompress.h +++ b/include/asm-arm/arch-ixp2000/uncompress.h @@ -29,23 +29,18 @@ #define UARTSR PHYS(0x14) /* Status reg */ -static __inline__ void putc(char c) +static inline void putc(int c) { int j = 0x1000; - while (--j && !(*UARTSR & UART_LSR_THRE)); + while (--j && !(*UARTSR & UART_LSR_THRE)) + barrier(); + *UARTDR = c; } -static void putstr(const char *s) +static inline void flush(void) { - while (*s) - { - putc(*s); - if (*s == '\n') - putc('\r'); - s++; - } } #define arch_decomp_setup() diff --git a/include/asm-arm/arch-ixp23xx/debug-macro.S b/include/asm-arm/arch-ixp23xx/debug-macro.S new file mode 100644 index 000000000000..eb99fd69fd24 --- /dev/null +++ b/include/asm-arm/arch-ixp23xx/debug-macro.S @@ -0,0 +1,23 @@ +/* + * include/asm-arm/arch-ixp23xx/debug-macro.S + * + * Debugging macro include header + * + * Copyright (C) 1994-1999 Russell King + * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <asm/arch/ixp23xx.h> + + .macro addruart,rx + mrc p15, 0, \rx, c1, c0 + tst \rx, #1 @ mmu enabled? + ldreq \rx, =IXP23XX_PERIPHERAL_PHYS @ physical + ldrne \rx, =IXP23XX_PERIPHERAL_VIRT @ virtual + .endm + +#define UART_SHIFT 2 +#include <asm/hardware/debug-8250.S> diff --git a/include/asm-arm/arch-ixp23xx/dma.h b/include/asm-arm/arch-ixp23xx/dma.h new file mode 100644 index 000000000000..2f4335e3b836 --- /dev/null +++ b/include/asm-arm/arch-ixp23xx/dma.h @@ -0,0 +1,3 @@ +/* + * include/asm-arm/arch-ixp23xx/dma.h + */ diff --git a/include/asm-arm/arch-ixp23xx/entry-macro.S b/include/asm-arm/arch-ixp23xx/entry-macro.S new file mode 100644 index 000000000000..0ef4e6016ac4 --- /dev/null +++ b/include/asm-arm/arch-ixp23xx/entry-macro.S @@ -0,0 +1,31 @@ +/* + * include/asm-arm/arch-ixp23xx/entry-macro.S + */ + + .macro disable_fiq + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + ldr \irqnr, =(IXP23XX_INTC_VIRT + IXP23XX_INTR_IRQ_ENC_ST_OFFSET) + ldr \irqnr, [\irqnr] @ get interrupt number + cmp \irqnr, #0x0 @ suprious interrupt ? + movne \irqnr, \irqnr, lsr #2 @ skip unwanted low order bits + subne \irqnr, \irqnr, #1 @ convert to 0 based + +#if 0 + cmp \irqnr, #IRQ_IXP23XX_PCI_INT_RPH + bne 1001f + mov \irqnr, #IRQ_IXP23XX_INTA + + ldr \irqnr, =0xf5000030 + + mov \tmp, #(1<<26) + tst \irqnr, \tmp + movne \irqnr, #IRQ_IXP23XX_INTB + + mov \tmp, #(1<<27) + tst \irqnr, \tmp + movne \irqnr, #IRQ_IXP23XX_INTA +1001: +#endif + .endm diff --git a/include/asm-arm/arch-ixp23xx/hardware.h b/include/asm-arm/arch-ixp23xx/hardware.h new file mode 100644 index 000000000000..c0010d21a684 --- /dev/null +++ b/include/asm-arm/arch-ixp23xx/hardware.h @@ -0,0 +1,37 @@ +/* + * include/asm-arm/arch-ixp23xx/hardware.h + * + * Copyright (C) 2002-2004 Intel Corporation. + * Copyricht (C) 2005 MontaVista Software, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Hardware definitions for IXP23XX based systems + */ + +#ifndef __ASM_ARCH_HARDWARE_H +#define __ASM_ARCH_HARDWARE_H + +/* PCI IO info */ +#define PCIO_BASE IXP23XX_PCI_IO_VIRT +#define PCIBIOS_MIN_IO 0x00000000 +#define PCIBIOS_MIN_MEM 0xe0000000 + +#include "ixp23xx.h" + +#define pcibios_assign_all_busses() 0 + +/* + * Platform helper functions + */ +#include "platform.h" + +/* + * Platform-specific headers + */ +#include "ixdp2351.h" + + +#endif diff --git a/include/asm-arm/arch-ixp23xx/io.h b/include/asm-arm/arch-ixp23xx/io.h new file mode 100644 index 000000000000..18415a81ac74 --- /dev/null +++ b/include/asm-arm/arch-ixp23xx/io.h @@ -0,0 +1,54 @@ +/* + * include/asm-arm/arch-ixp23xx/io.h + * + * Original Author: Naeem M Afzal <naeem.m.afzal@intel.com> + * Maintainer: Deepak Saxena <dsaxena@plexity.net> + * + * Copyright (C) 2003-2005 Intel Corp. + * Copyright (C) 2005 MontaVista Software, Inc + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ASM_ARCH_IO_H +#define __ASM_ARCH_IO_H + +#define IO_SPACE_LIMIT 0xffffffff + +#define __io(p) ((void __iomem*)((p) + IXP23XX_PCI_IO_VIRT)) +#define __mem_pci(a) (a) + +#include <linux/kernel.h> /* For BUG */ + +static inline void __iomem * +ixp23xx_ioremap(unsigned long addr, unsigned long size, unsigned long flags) +{ + if (addr >= IXP23XX_PCI_MEM_START && + addr <= IXP23XX_PCI_MEM_START + IXP23XX_PCI_MEM_SIZE) { + if (addr + size > IXP23XX_PCI_MEM_START + IXP23XX_PCI_MEM_SIZE) + return NULL; + + return (void __iomem *) + ((addr - IXP23XX_PCI_MEM_START) + IXP23XX_PCI_MEM_VIRT); + } + + return __ioremap(addr, size, flags); +} + +static inline void +ixp23xx_iounmap(void __iomem *addr) +{ + if ((((u32)addr) >= IXP23XX_PCI_MEM_VIRT) && + (((u32)addr) < IXP23XX_PCI_MEM_VIRT + IXP23XX_PCI_MEM_SIZE)) + return; + + __iounmap(addr); +} + +#define __arch_ioremap(a,s,f) ixp23xx_ioremap(a,s,f) +#define __arch_iounmap(a) ixp23xx_iounmap(a) + + +#endif diff --git a/include/asm-arm/arch-ixp23xx/irqs.h b/include/asm-arm/arch-ixp23xx/irqs.h new file mode 100644 index 000000000000..e69639585721 --- /dev/null +++ b/include/asm-arm/arch-ixp23xx/irqs.h @@ -0,0 +1,223 @@ +/* + * include/asm-arm/arch-ixp23xx/irqs.h + * + * IRQ definitions for IXP23XX based systems + * + * Author: Naeem Afzal <naeem.m.afzal@intel.com> + * + * Copyright (C) 2003-2004 Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ASM_ARCH_IRQS_H +#define __ASM_ARCH_IRQS_H + +#define NR_IXP23XX_IRQS IRQ_IXP23XX_INTB+1 +#define IRQ_IXP23XX_EXTIRQS NR_IXP23XX_IRQS + + +#define IRQ_IXP23XX_DBG0 0 /* Debug/Execution/MBox */ +#define IRQ_IXP23XX_DBG1 1 /* Debug/Execution/MBox */ +#define IRQ_IXP23XX_NPE_TRG 2 /* npe_trigger */ +#define IRQ_IXP23XX_TIMER1 3 /* Timer[0] */ +#define IRQ_IXP23XX_TIMER2 4 /* Timer[1] */ +#define IRQ_IXP23XX_TIMESTAMP 5 /* Timer[2], Time-stamp */ +#define IRQ_IXP23XX_WDOG 6 /* Time[3], Watchdog Timer */ +#define IRQ_IXP23XX_PCI_DBELL 7 /* PCI Doorbell */ +#define IRQ_IXP23XX_PCI_DMA1 8 /* PCI DMA Channel 1 */ +#define IRQ_IXP23XX_PCI_DMA2 9 /* PCI DMA Channel 2 */ +#define IRQ_IXP23XX_PCI_DMA3 10 /* PCI DMA Channel 3 */ +#define IRQ_IXP23XX_PCI_INT_RPH 11 /* pcxg_pci_int_rph */ +#define IRQ_IXP23XX_CPP_PMU 12 /* xpxg_pm_int_rpl */ +#define IRQ_IXP23XX_SWINT0 13 /* S/W Interrupt0 */ +#define IRQ_IXP23XX_SWINT1 14 /* S/W Interrupt1 */ +#define IRQ_IXP23XX_UART2 15 /* UART1 Interrupt */ +#define IRQ_IXP23XX_UART1 16 /* UART0 Interrupt */ +#define IRQ_IXP23XX_XSI_PMU_ROLLOVER 17 /* AHB Performance M. Unit counter rollover */ +#define IRQ_IXP23XX_XSI_AHB_PM0 18 /* intr_pm_o */ +#define IRQ_IXP23XX_XSI_AHB_ECE0 19 /* intr_ece_o */ +#define IRQ_IXP23XX_XSI_AHB_GASKET 20 /* gas_intr_o */ +#define IRQ_IXP23XX_XSI_CPP 21 /* xsi2cpp_int */ +#define IRQ_IXP23XX_CPP_XSI 22 /* cpp2xsi_int */ +#define IRQ_IXP23XX_ME_ATTN0 23 /* ME_ATTN */ +#define IRQ_IXP23XX_ME_ATTN1 24 /* ME_ATTN */ +#define IRQ_IXP23XX_ME_ATTN2 25 /* ME_ATTN */ +#define IRQ_IXP23XX_ME_ATTN3 26 /* ME_ATTN */ +#define IRQ_IXP23XX_PCI_ERR_RPH 27 /* PCXG_PCI_ERR_RPH */ +#define IRQ_IXP23XX_D0XG_ECC_CORR 28 /* D0XG_DRAM_ECC_CORR */ +#define IRQ_IXP23XX_D0XG_ECC_UNCORR 29 /* D0XG_DRAM_ECC_UNCORR */ +#define IRQ_IXP23XX_SRAM_ERR1 30 /* SRAM1_ERR */ +#define IRQ_IXP23XX_SRAM_ERR0 31 /* SRAM0_ERR */ +#define IRQ_IXP23XX_MEDIA_ERR 32 /* MEDIA_ERR */ +#define IRQ_IXP23XX_STH_DRAM_ECC_MAJ 33 /* STH_DRAM0_ECC_MAJ */ +#define IRQ_IXP23XX_GPIO6 34 /* GPIO0 interrupts */ +#define IRQ_IXP23XX_GPIO7 35 /* GPIO1 interrupts */ +#define IRQ_IXP23XX_GPIO8 36 /* GPIO2 interrupts */ +#define IRQ_IXP23XX_GPIO9 37 /* GPIO3 interrupts */ +#define IRQ_IXP23XX_GPIO10 38 /* GPIO4 interrupts */ +#define IRQ_IXP23XX_GPIO11 39 /* GPIO5 interrupts */ +#define IRQ_IXP23XX_GPIO12 40 /* GPIO6 interrupts */ +#define IRQ_IXP23XX_GPIO13 41 /* GPIO7 interrupts */ +#define IRQ_IXP23XX_GPIO14 42 /* GPIO8 interrupts */ +#define IRQ_IXP23XX_GPIO15 43 /* GPIO9 interrupts */ +#define IRQ_IXP23XX_SHAC_RING0 44 /* SHAC Ring Full */ +#define IRQ_IXP23XX_SHAC_RING1 45 /* SHAC Ring Full */ +#define IRQ_IXP23XX_SHAC_RING2 46 /* SHAC Ring Full */ +#define IRQ_IXP23XX_SHAC_RING3 47 /* SHAC Ring Full */ +#define IRQ_IXP23XX_SHAC_RING4 48 /* SHAC Ring Full */ +#define IRQ_IXP23XX_SHAC_RING5 49 /* SHAC Ring Full */ +#define IRQ_IXP23XX_SHAC_RING6 50 /* SHAC RING Full */ +#define IRQ_IXP23XX_SHAC_RING7 51 /* SHAC Ring Full */ +#define IRQ_IXP23XX_SHAC_RING8 52 /* SHAC Ring Full */ +#define IRQ_IXP23XX_SHAC_RING9 53 /* SHAC Ring Full */ +#define IRQ_IXP23XX_SHAC_RING10 54 /* SHAC Ring Full */ +#define IRQ_IXP23XX_SHAC_RING11 55 /* SHAC Ring Full */ +#define IRQ_IXP23XX_ME_THREAD_A0_ME0 56 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_A1_ME0 57 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_A2_ME0 58 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_A3_ME0 59 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_A4_ME0 60 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_A5_ME0 61 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_A6_ME0 62 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_A7_ME0 63 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_A8_ME1 64 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_A9_ME1 65 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_A10_ME1 66 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_A11_ME1 67 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_A12_ME1 68 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_A13_ME1 69 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_A14_ME1 70 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_A15_ME1 71 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_A16_ME2 72 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_A17_ME2 73 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_A18_ME2 74 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_A19_ME2 75 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_A20_ME2 76 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_A21_ME2 77 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_A22_ME2 78 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_A23_ME2 79 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_A24_ME3 80 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_A25_ME3 81 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_A26_ME3 82 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_A27_ME3 83 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_A28_ME3 84 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_A29_ME3 85 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_A30_ME3 86 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_A31_ME3 87 /* ME_THREAD_A */ +#define IRQ_IXP23XX_ME_THREAD_B0_ME0 88 /* ME_THREAD_B */ +#define IRQ_IXP23XX_ME_THREAD_B1_ME0 89 /* ME_THREAD_B */ +#define IRQ_IXP23XX_ME_THREAD_B2_ME0 90 /* ME_THREAD_B */ +#define IRQ_IXP23XX_ME_THREAD_B3_ME0 91 /* ME_THREAD_B */ +#define IRQ_IXP23XX_ME_THREAD_B4_ME0 92 /* ME_THREAD_B */ +#define IRQ_IXP23XX_ME_THREAD_B5_ME0 93 /* ME_THREAD_B */ +#define IRQ_IXP23XX_ME_THREAD_B6_ME0 94 /* ME_THREAD_B */ +#define IRQ_IXP23XX_ME_THREAD_B7_ME0 95 /* ME_THREAD_B */ +#define IRQ_IXP23XX_ME_THREAD_B8_ME1 96 /* ME_THREAD_B */ +#define IRQ_IXP23XX_ME_THREAD_B9_ME1 97 /* ME_THREAD_B */ +#define IRQ_IXP23XX_ME_THREAD_B10_ME1 98 /* ME_THREAD_B */ +#define IRQ_IXP23XX_ME_THREAD_B11_ME1 99 /* ME_THREAD_B */ +#define IRQ_IXP23XX_ME_THREAD_B12_ME1 100 /* ME_THREAD_B */ +#define IRQ_IXP23XX_ME_THREAD_B13_ME1 101 /* ME_THREAD_B */ +#define IRQ_IXP23XX_ME_THREAD_B14_ME1 102 /* ME_THREAD_B */ +#define IRQ_IXP23XX_ME_THREAD_B15_ME1 103 /* ME_THREAD_B */ +#define IRQ_IXP23XX_ME_THREAD_B16_ME2 104 /* ME_THREAD_B */ +#define IRQ_IXP23XX_ME_THREAD_B17_ME2 105 /* ME_THREAD_B */ +#define IRQ_IXP23XX_ME_THREAD_B18_ME2 106 /* ME_THREAD_B */ +#define IRQ_IXP23XX_ME_THREAD_B19_ME2 107 /* ME_THREAD_B */ +#define IRQ_IXP23XX_ME_THREAD_B20_ME2 108 /* ME_THREAD_B */ +#define IRQ_IXP23XX_ME_THREAD_B21_ME2 109 /* ME_THREAD_B */ +#define IRQ_IXP23XX_ME_THREAD_B22_ME2 110 /* ME_THREAD_B */ +#define IRQ_IXP23XX_ME_THREAD_B23_ME2 111 /* ME_THREAD_B */ +#define IRQ_IXP23XX_ME_THREAD_B24_ME3 112 /* ME_THREAD_B */ +#define IRQ_IXP23XX_ME_THREAD_B25_ME3 113 /* ME_THREAD_B */ +#define IRQ_IXP23XX_ME_THREAD_B26_ME3 114 /* ME_THREAD_B */ +#define IRQ_IXP23XX_ME_THREAD_B27_ME3 115 /* ME_THREAD_B */ +#define IRQ_IXP23XX_ME_THREAD_B28_ME3 116 /* ME_THREAD_B */ +#define IRQ_IXP23XX_ME_THREAD_B29_ME3 117 /* ME_THREAD_B */ +#define IRQ_IXP23XX_ME_THREAD_B30_ME3 118 /* ME_THREAD_B */ +#define IRQ_IXP23XX_ME_THREAD_B31_ME3 119 /* ME_THREAD_B */ + +#define NUM_IXP23XX_RAW_IRQS 120 + +#define IRQ_IXP23XX_INTA 120 /* Indirect pcxg_pci_int_rph */ +#define IRQ_IXP23XX_INTB 121 /* Indirect pcxg_pci_int_rph */ + +#define NR_IXP23XX_IRQ (IRQ_IXP23XX_INTB + 1) + +/* + * We default to 32 per-board IRQs. Increase this number if you need + * more, but keep it realistic. + */ +#define NR_IXP23XX_MACH_IRQS 32 + +#define NR_IRQS NR_IXP23XX_IRQS + NR_IXP23XX_MACH_IRQS + +#define IXP23XX_MACH_IRQ(irq) (NR_IXP23XX_IRQ + (irq)) + + +/* + * IXDP2351-specific interrupts + */ + +/* + * External PCI interrupts signaled through INTB + * + */ +#define IXDP2351_INTB_IRQ_BASE 0 +#define IRQ_IXDP2351_INTA_82546 IXP23XX_MACH_IRQ(0) +#define IRQ_IXDP2351_INTB_82546 IXP23XX_MACH_IRQ(1) +#define IRQ_IXDP2351_SPCI_DB_0 IXP23XX_MACH_IRQ(2) +#define IRQ_IXDP2351_SPCI_DB_1 IXP23XX_MACH_IRQ(3) +#define IRQ_IXDP2351_SPCI_PMC_INTA IXP23XX_MACH_IRQ(4) +#define IRQ_IXDP2351_SPCI_PMC_INTB IXP23XX_MACH_IRQ(5) +#define IRQ_IXDP2351_SPCI_PMC_INTC IXP23XX_MACH_IRQ(6) +#define IRQ_IXDP2351_SPCI_PMC_INTD IXP23XX_MACH_IRQ(7) +#define IRQ_IXDP2351_SPCI_FIC IXP23XX_MACH_IRQ(8) + +#define IXDP2351_INTB_IRQ_BIT(irq) (irq - IXP23XX_MACH_IRQ(0)) +#define IXDP2351_INTB_IRQ_MASK(irq) (1 << IXDP2351_INTB_IRQ_BIT(irq)) +#define IXDP2351_INTB_IRQ_VALID 0x01FF +#define IXDP2351_INTB_IRQ_NUM 16 + +/* + * Other external interrupts signaled through INTA + */ +#define IXDP2351_INTA_IRQ_BASE 16 +#define IRQ_IXDP2351_IPMI_FROM IXP23XX_MACH_IRQ(16) +#define IRQ_IXDP2351_125US IXP23XX_MACH_IRQ(17) +#define IRQ_IXDP2351_DB_0_ADD IXP23XX_MACH_IRQ(18) +#define IRQ_IXDP2351_DB_1_ADD IXP23XX_MACH_IRQ(19) +#define IRQ_IXDP2351_DEBUG1 IXP23XX_MACH_IRQ(20) +#define IRQ_IXDP2351_ADD_UART IXP23XX_MACH_IRQ(21) +#define IRQ_IXDP2351_FIC_ADD IXP23XX_MACH_IRQ(24) +#define IRQ_IXDP2351_CS8900 IXP23XX_MACH_IRQ(25) +#define IRQ_IXDP2351_BBSRAM IXP23XX_MACH_IRQ(26) +#define IRQ_IXDP2351_CONFIG_MEDIA IXP23XX_MACH_IRQ(27) +#define IRQ_IXDP2351_CLOCK_REF IXP23XX_MACH_IRQ(28) +#define IRQ_IXDP2351_A10_NP IXP23XX_MACH_IRQ(29) +#define IRQ_IXDP2351_A11_NP IXP23XX_MACH_IRQ(30) +#define IRQ_IXDP2351_DEBUG_NP IXP23XX_MACH_IRQ(31) + +#define IXDP2351_INTA_IRQ_BIT(irq) (irq - IXP23XX_MACH_IRQ(16)) +#define IXDP2351_INTA_IRQ_MASK(irq) (1 << IXDP2351_INTA_IRQ_BIT(irq)) +#define IXDP2351_INTA_IRQ_VALID 0xFF3F +#define IXDP2351_INTA_IRQ_NUM 16 + + +/* + * ADI RoadRunner IRQs + */ +#define IRQ_ROADRUNNER_PCI_INTA IRQ_IXP23XX_INTA +#define IRQ_ROADRUNNER_PCI_INTB IRQ_IXP23XX_INTB +#define IRQ_ROADRUNNER_PCI_INTC IRQ_IXP23XX_GPIO11 +#define IRQ_ROADRUNNER_PCI_INTD IRQ_IXP23XX_GPIO12 + +/* + * Put new board definitions here + */ + + +#endif diff --git a/include/asm-arm/arch-ixp23xx/ixdp2351.h b/include/asm-arm/arch-ixp23xx/ixdp2351.h new file mode 100644 index 000000000000..4a24f8f15655 --- /dev/null +++ b/include/asm-arm/arch-ixp23xx/ixdp2351.h @@ -0,0 +1,89 @@ +/* + * include/asm-arm/arch-ixp23xx/ixdp2351.h + * + * Register and other defines for IXDP2351 + * + * Copyright (c) 2002-2004 Intel Corp. + * Copytight (c) 2005 MontaVista Software, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#ifndef __ASM_ARCH_IXDP2351_H +#define __ASM_ARCH_IXDP2351_H + +/* + * NP module memory map + */ +#define IXDP2351_NP_PHYS_BASE (IXP23XX_EXP_BUS_CS4_BASE) +#define IXDP2351_NP_PHYS_SIZE 0x00100000 +#define IXDP2351_NP_VIRT_BASE 0xeff00000 + +#define IXDP2351_VIRT_CS8900_BASE (IXDP2351_NP_VIRT_BASE) +#define IXDP2351_VIRT_CS8900_END (IXDP2351_VIRT_CS8900_BASE + 16) + +#define IXDP2351_VIRT_NP_CPLD_BASE (IXP23XX_EXP_BUS_CS4_BASE_VIRT + 0x00010000) + +#define IXDP2351_NP_CPLD_REG(reg) ((volatile u16 *)(IXDP2351_VIRT_NP_CPLD_BASE + reg)) + +#define IXDP2351_NP_CPLD_RESET1_REG IXDP2351_NP_CPLD_REG(0x00) +#define IXDP2351_NP_CPLD_LED_REG IXDP2351_NP_CPLD_REG(0x02) +#define IXDP2351_NP_CPLD_VERSION_REG IXDP2351_NP_CPLD_REG(0x04) + +/* + * Base board module memory map + */ + +#define IXDP2351_BB_BASE_PHYS (IXP23XX_EXP_BUS_CS5_BASE) +#define IXDP2351_BB_SIZE 0x01000000 +#define IXDP2351_BB_BASE_VIRT (0xee000000) + +#define IXDP2351_BB_AREA_BASE(offset) (IXDP2351_BB_BASE_VIRT + offset) + +#define IXDP2351_VIRT_NVRAM_BASE IXDP2351_BB_AREA_BASE(0x0) +#define IXDP2351_NVRAM_SIZE (0x20000) + +#define IXDP2351_VIRT_MB_IXF1104_BASE IXDP3251_BB_AREA_BASE(0x00020000) +#define IXDP2351_VIRT_ADD_UART_BASE IXDP2351_BB_AREA_BASE(0x000240C0) +#define IXDP2351_VIRT_FIC_BASE IXDP2351_BB_AREA_BASE(0x00200000) +#define IXDP2351_VIRT_DB0_BASE IXDP2351_BB_AREA_BASE(0x00400000) +#define IXDP2351_VIRT_DB1_BASE IXDP2351_BB_AREA_BASE(0x00600000) +#define IXDP2351_VIRT_CPLD_BASE IXDP2351_BB_AREA_BASE(0x00024000) + +/* + * On board CPLD registers + */ +#define IXDP2351_CPLD_BB_REG(reg) ((volatile u16 *)(IXDP2351_VIRT_CPLD_BASE + reg)) + +#define IXDP2351_CPLD_RESET0_REG IXDP2351_CPLD_BB_REG(0x00) +#define IXDP2351_CPLD_RESET1_REG IXDP2351_CPLD_BB_REG(0x04) + +#define IXDP2351_CPLD_RESET1_MAGIC 0x55AA +#define IXDP2351_CPLD_RESET1_ENABLE 0x8000 + +#define IXDP2351_CPLD_FPGA_CONFIG_REG IXDP2351_CPLD_BB_REG(0x08) +#define IXDP2351_CPLD_INTB_MASK_SET_REG IXDP2351_CPLD_BB_REG(0x10) +#define IXDP2351_CPLD_INTA_MASK_SET_REG IXDP2351_CPLD_BB_REG(0x14) +#define IXDP2351_CPLD_INTB_STAT_REG IXDP2351_CPLD_BB_REG(0x18) +#define IXDP2351_CPLD_INTA_STAT_REG IXDP2351_CPLD_BB_REG(0x1C) +#define IXDP2351_CPLD_INTB_RAW_REG IXDP2351_CPLD_BB_REG(0x20) /* read */ +#define IXDP2351_CPLD_INTA_RAW_REG IXDP2351_CPLD_BB_REG(0x24) /* read */ +#define IXDP2351_CPLD_INTB_MASK_CLR_REG IXDP2351_CPLD_INTB_RAW_REG /* write */ +#define IXDP2351_CPLD_INTA_MASK_CLR_REG IXDP2351_CPLD_INTA_RAW_REG /* write */ +#define IXDP2351_CPLD_INTB_SIM_REG IXDP2351_CPLD_BB_REG(0x28) +#define IXDP2351_CPLD_INTA_SIM_REG IXDP2351_CPLD_BB_REG(0x2C) + /* Interrupt bits are defined in irqs.h */ +#define IXDP2351_CPLD_BB_GBE0_REG IXDP2351_CPLD_BB_REG(0x30) +#define IXDP2351_CPLD_BB_GBE1_REG IXDP2351_CPLD_BB_REG(0x34) + +/* #define IXDP2351_CPLD_BB_MISC_REG IXDP2351_CPLD_REG(0x1C) */ +/* #define IXDP2351_CPLD_BB_MISC_REV_MASK 0xFF */ +/* #define IXDP2351_CPLD_BB_GDXCS0_REG IXDP2351_CPLD_REG(0x24) */ +/* #define IXDP2351_CPLD_BB_GDXCS1_REG IXDP2351_CPLD_REG(0x28) */ +/* #define IXDP2351_CPLD_BB_CLOCK_REG IXDP2351_CPLD_REG(0x04) */ + + +#endif diff --git a/include/asm-arm/arch-ixp23xx/ixp23xx.h b/include/asm-arm/arch-ixp23xx/ixp23xx.h new file mode 100644 index 000000000000..e49e1ca61b1a --- /dev/null +++ b/include/asm-arm/arch-ixp23xx/ixp23xx.h @@ -0,0 +1,306 @@ +/* + * include/asm-arm/arch-ixp23xx/ixp23xx.h + * + * Register definitions for IXP23XX + * + * Copyright (C) 2003-2005 Intel Corporation. + * Copyright (C) 2005 MontaVista Software, Inc. + * + * Maintainer: Deepak Saxena <dsaxena@plexity.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ASM_ARCH_IXP23XX_H +#define __ASM_ARCH_IXP23XX_H + +/* + * IXP2300 linux memory map: + * + * virt phys size + * fffd0000 a0000000 64K XSI2CPP_CSR + * fffc0000 c4000000 4K EXP_CFG + * fff00000 c8000000 64K PERIPHERAL + * fe000000 1c0000000 16M CAP_CSR + * fd000000 1c8000000 16M MSF_CSR + * fb000000 16M --- + * fa000000 1d8000000 32M PCI_IO + * f8000000 1da000000 32M PCI_CFG + * f6000000 1de000000 32M PCI_CREG + * f4000000 32M --- + * f0000000 1e0000000 64M PCI_MEM + * e[c-f]000000 per-platform mappings + */ + + +/**************************************************************************** + * Static mappings. + ****************************************************************************/ +#define IXP23XX_XSI2CPP_CSR_PHYS 0xa0000000 +#define IXP23XX_XSI2CPP_CSR_VIRT 0xfffd0000 +#define IXP23XX_XSI2CPP_CSR_SIZE 0x00010000 + +#define IXP23XX_EXP_CFG_PHYS 0xc4000000 +#define IXP23XX_EXP_CFG_VIRT 0xfffc0000 +#define IXP23XX_EXP_CFG_SIZE 0x00001000 + +#define IXP23XX_PERIPHERAL_PHYS 0xc8000000 +#define IXP23XX_PERIPHERAL_VIRT 0xfff00000 +#define IXP23XX_PERIPHERAL_SIZE 0x00010000 + +#define IXP23XX_CAP_CSR_PHYS 0x1c0000000ULL +#define IXP23XX_CAP_CSR_VIRT 0xfe000000 +#define IXP23XX_CAP_CSR_SIZE 0x01000000 + +#define IXP23XX_MSF_CSR_PHYS 0x1c8000000ULL +#define IXP23XX_MSF_CSR_VIRT 0xfd000000 +#define IXP23XX_MSF_CSR_SIZE 0x01000000 + +#define IXP23XX_PCI_IO_PHYS 0x1d8000000ULL +#define IXP23XX_PCI_IO_VIRT 0xfa000000 +#define IXP23XX_PCI_IO_SIZE 0x02000000 + +#define IXP23XX_PCI_CFG_PHYS 0x1da000000ULL +#define IXP23XX_PCI_CFG_VIRT 0xf8000000 +#define IXP23XX_PCI_CFG_SIZE 0x02000000 +#define IXP23XX_PCI_CFG0_VIRT IXP23XX_PCI_CFG_VIRT +#define IXP23XX_PCI_CFG1_VIRT (IXP23XX_PCI_CFG_VIRT + 0x01000000) + +#define IXP23XX_PCI_CREG_PHYS 0x1de000000ULL +#define IXP23XX_PCI_CREG_VIRT 0xf6000000 +#define IXP23XX_PCI_CREG_SIZE 0x02000000 +#define IXP23XX_PCI_CSR_VIRT (IXP23XX_PCI_CREG_VIRT + 0x01000000) + +#define IXP23XX_PCI_MEM_START 0xe0000000 +#define IXP23XX_PCI_MEM_PHYS 0x1e0000000ULL +#define IXP23XX_PCI_MEM_VIRT 0xf0000000 +#define IXP23XX_PCI_MEM_SIZE 0x04000000 + + +/**************************************************************************** + * XSI2CPP CSRs. + ****************************************************************************/ +#define IXP23XX_XSI2CPP_REG(x) ((volatile unsigned long *)(IXP23XX_XSI2CPP_CSR_VIRT + (x))) +#define IXP23XX_CPP2XSI_CURR_XFER_REG3 IXP23XX_XSI2CPP_REG(0xf8) +#define IXP23XX_CPP2XSI_ADDR_31 (1 << 19) +#define IXP23XX_CPP2XSI_PSH_OFF (1 << 20) +#define IXP23XX_CPP2XSI_COH_OFF (1 << 21) + + +/**************************************************************************** + * Expansion Bus Config. + ****************************************************************************/ +#define IXP23XX_EXP_CFG_REG(x) ((volatile unsigned long *)(IXP23XX_EXP_CFG_VIRT + (x))) +#define IXP23XX_EXP_CS0 IXP23XX_EXP_CFG_REG(0x00) +#define IXP23XX_EXP_CS1 IXP23XX_EXP_CFG_REG(0x04) +#define IXP23XX_EXP_CS2 IXP23XX_EXP_CFG_REG(0x08) +#define IXP23XX_EXP_CS3 IXP23XX_EXP_CFG_REG(0x0c) +#define IXP23XX_EXP_CS4 IXP23XX_EXP_CFG_REG(0x10) +#define IXP23XX_EXP_CS5 IXP23XX_EXP_CFG_REG(0x14) +#define IXP23XX_EXP_CS6 IXP23XX_EXP_CFG_REG(0x18) +#define IXP23XX_EXP_CS7 IXP23XX_EXP_CFG_REG(0x1c) +#define IXP23XX_FLASH_WRITABLE (0x2) +#define IXP23XX_FLASH_BUS8 (0x1) + +#define IXP23XX_EXP_CFG0 IXP23XX_EXP_CFG_REG(0x20) +#define IXP23XX_EXP_CFG1 IXP23XX_EXP_CFG_REG(0x24) +#define IXP23XX_EXP_CFG0_MEM_MAP (1 << 31) +#define IXP23XX_EXP_CFG0_XSCALE_SPEED_SEL (3 << 22) +#define IXP23XX_EXP_CFG0_XSCALE_SPEED_EN (1 << 21) +#define IXP23XX_EXP_CFG0_CPP_SPEED_SEL (3 << 19) +#define IXP23XX_EXP_CFG0_CPP_SPEED_EN (1 << 18) +#define IXP23XX_EXP_CFG0_PCI_SWIN (3 << 16) +#define IXP23XX_EXP_CFG0_PCI_DWIN (3 << 14) +#define IXP23XX_EXP_CFG0_PCI33_MODE (1 << 13) +#define IXP23XX_EXP_CFG0_QDR_SPEED_SEL (1 << 12) +#define IXP23XX_EXP_CFG0_CPP_DIV_SEL (1 << 5) +#define IXP23XX_EXP_CFG0_XSI_NOT_PRES (1 << 4) +#define IXP23XX_EXP_CFG0_PROM_BOOT (1 << 3) +#define IXP23XX_EXP_CFG0_PCI_ARB (1 << 2) +#define IXP23XX_EXP_CFG0_PCI_HOST (1 << 1) +#define IXP23XX_EXP_CFG0_FLASH_WIDTH (1 << 0) + +#define IXP23XX_EXP_UNIT_FUSE IXP23XX_EXP_CFG_REG(0x28) +#define IXP23XX_EXP_MSF_MUX IXP23XX_EXP_CFG_REG(0x30) + +#define IXP23XX_EXP_BUS_PHYS 0x90000000 +#define IXP23XX_EXP_BUS_WINDOW_SIZE 0x01000000 + +#define IXP23XX_EXP_BUS_CS0_BASE (IXP23XX_EXP_BUS_PHYS + 0x00000000) +#define IXP23XX_EXP_BUS_CS1_BASE (IXP23XX_EXP_BUS_PHYS + 0x01000000) +#define IXP23XX_EXP_BUS_CS2_BASE (IXP23XX_EXP_BUS_PHYS + 0x02000000) +#define IXP23XX_EXP_BUS_CS3_BASE (IXP23XX_EXP_BUS_PHYS + 0x03000000) +#define IXP23XX_EXP_BUS_CS4_BASE (IXP23XX_EXP_BUS_PHYS + 0x04000000) +#define IXP23XX_EXP_BUS_CS5_BASE (IXP23XX_EXP_BUS_PHYS + 0x05000000) +#define IXP23XX_EXP_BUS_CS6_BASE (IXP23XX_EXP_BUS_PHYS + 0x06000000) +#define IXP23XX_EXP_BUS_CS7_BASE (IXP23XX_EXP_BUS_PHYS + 0x07000000) + + +/**************************************************************************** + * Peripherals. + ****************************************************************************/ +#define IXP23XX_UART1_VIRT (IXP23XX_PERIPHERAL_VIRT + 0x0000) +#define IXP23XX_UART2_VIRT (IXP23XX_PERIPHERAL_VIRT + 0x1000) +#define IXP23XX_PMU_VIRT (IXP23XX_PERIPHERAL_VIRT + 0x2000) +#define IXP23XX_INTC_VIRT (IXP23XX_PERIPHERAL_VIRT + 0x3000) +#define IXP23XX_GPIO_VIRT (IXP23XX_PERIPHERAL_VIRT + 0x4000) +#define IXP23XX_TIMER_VIRT (IXP23XX_PERIPHERAL_VIRT + 0x5000) +#define IXP23XX_NPE0_VIRT (IXP23XX_PERIPHERAL_VIRT + 0x6000) +#define IXP23XX_DSR_VIRT (IXP23XX_PERIPHERAL_VIRT + 0x7000) +#define IXP23XX_NPE1_VIRT (IXP23XX_PERIPHERAL_VIRT + 0x8000) +#define IXP23XX_ETH0_VIRT (IXP23XX_PERIPHERAL_VIRT + 0x9000) +#define IXP23XX_ETH1_VIRT (IXP23XX_PERIPHERAL_VIRT + 0xA000) +#define IXP23XX_GIG0_VIRT (IXP23XX_PERIPHERAL_VIRT + 0xB000) +#define IXP23XX_GIG1_VIRT (IXP23XX_PERIPHERAL_VIRT + 0xC000) +#define IXP23XX_DDRS_VIRT (IXP23XX_PERIPHERAL_VIRT + 0xD000) + +#define IXP23XX_UART1_PHYS (IXP23XX_PERIPHERAL_PHYS + 0x0000) +#define IXP23XX_UART2_PHYS (IXP23XX_PERIPHERAL_PHYS + 0x1000) +#define IXP23XX_PMU_PHYS (IXP23XX_PERIPHERAL_PHYS + 0x2000) +#define IXP23XX_INTC_PHYS (IXP23XX_PERIPHERAL_PHYS + 0x3000) +#define IXP23XX_GPIO_PHYS (IXP23XX_PERIPHERAL_PHYS + 0x4000) +#define IXP23XX_TIMER_PHYS (IXP23XX_PERIPHERAL_PHYS + 0x5000) +#define IXP23XX_NPE0_PHYS (IXP23XX_PERIPHERAL_PHYS + 0x6000) +#define IXP23XX_DSR_PHYS (IXP23XX_PERIPHERAL_PHYS + 0x7000) +#define IXP23XX_NPE1_PHYS (IXP23XX_PERIPHERAL_PHYS + 0x8000) +#define IXP23XX_ETH0_PHYS (IXP23XX_PERIPHERAL_PHYS + 0x9000) +#define IXP23XX_ETH1_PHYS (IXP23XX_PERIPHERAL_PHYS + 0xA000) +#define IXP23XX_GIG0_PHYS (IXP23XX_PERIPHERAL_PHYS + 0xB000) +#define IXP23XX_GIG1_PHYS (IXP23XX_PERIPHERAL_PHYS + 0xC000) +#define IXP23XX_DDRS_PHYS (IXP23XX_PERIPHERAL_PHYS + 0xD000) + + +/**************************************************************************** + * Interrupt controller. + ****************************************************************************/ +#define IXP23XX_INTC_REG(x) ((volatile unsigned long *)(IXP23XX_INTC_VIRT + (x))) +#define IXP23XX_INTR_ST1 IXP23XX_INTC_REG(0x00) +#define IXP23XX_INTR_ST2 IXP23XX_INTC_REG(0x04) +#define IXP23XX_INTR_ST3 IXP23XX_INTC_REG(0x08) +#define IXP23XX_INTR_ST4 IXP23XX_INTC_REG(0x0c) +#define IXP23XX_INTR_EN1 IXP23XX_INTC_REG(0x10) +#define IXP23XX_INTR_EN2 IXP23XX_INTC_REG(0x14) +#define IXP23XX_INTR_EN3 IXP23XX_INTC_REG(0x18) +#define IXP23XX_INTR_EN4 IXP23XX_INTC_REG(0x1c) +#define IXP23XX_INTR_SEL1 IXP23XX_INTC_REG(0x20) +#define IXP23XX_INTR_SEL2 IXP23XX_INTC_REG(0x24) +#define IXP23XX_INTR_SEL3 IXP23XX_INTC_REG(0x28) +#define IXP23XX_INTR_SEL4 IXP23XX_INTC_REG(0x2c) +#define IXP23XX_INTR_IRQ_ST1 IXP23XX_INTC_REG(0x30) +#define IXP23XX_INTR_IRQ_ST2 IXP23XX_INTC_REG(0x34) +#define IXP23XX_INTR_IRQ_ST3 IXP23XX_INTC_REG(0x38) +#define IXP23XX_INTR_IRQ_ST4 IXP23XX_INTC_REG(0x3c) +#define IXP23XX_INTR_IRQ_ENC_ST_OFFSET 0x54 + + +/**************************************************************************** + * GPIO. + ****************************************************************************/ +#define IXP23XX_GPIO_REG(x) ((volatile unsigned long *)(IXP23XX_GPIO_VIRT + (x))) +#define IXP23XX_GPIO_GPOUTR IXP23XX_GPIO_REG(0x00) +#define IXP23XX_GPIO_GPOER IXP23XX_GPIO_REG(0x04) +#define IXP23XX_GPIO_GPINR IXP23XX_GPIO_REG(0x08) +#define IXP23XX_GPIO_GPISR IXP23XX_GPIO_REG(0x0c) +#define IXP23XX_GPIO_GPIT1R IXP23XX_GPIO_REG(0x10) +#define IXP23XX_GPIO_GPIT2R IXP23XX_GPIO_REG(0x14) +#define IXP23XX_GPIO_GPCLKR IXP23XX_GPIO_REG(0x18) +#define IXP23XX_GPIO_GPDBSELR IXP23XX_GPIO_REG(0x1c) + +#define IXP23XX_GPIO_STYLE_MASK 0x7 +#define IXP23XX_GPIO_STYLE_ACTIVE_HIGH 0x0 +#define IXP23XX_GPIO_STYLE_ACTIVE_LOW 0x1 +#define IXP23XX_GPIO_STYLE_RISING_EDGE 0x2 +#define IXP23XX_GPIO_STYLE_FALLING_EDGE 0x3 +#define IXP23XX_GPIO_STYLE_TRANSITIONAL 0x4 + +#define IXP23XX_GPIO_STYLE_SIZE 3 + + +/**************************************************************************** + * Timer. + ****************************************************************************/ +#define IXP23XX_TIMER_REG(x) ((volatile unsigned long *)(IXP23XX_TIMER_VIRT + (x))) +#define IXP23XX_TIMER_CONT IXP23XX_TIMER_REG(0x00) +#define IXP23XX_TIMER1_TIMESTAMP IXP23XX_TIMER_REG(0x04) +#define IXP23XX_TIMER1_RELOAD IXP23XX_TIMER_REG(0x08) +#define IXP23XX_TIMER2_TIMESTAMP IXP23XX_TIMER_REG(0x0c) +#define IXP23XX_TIMER2_RELOAD IXP23XX_TIMER_REG(0x10) +#define IXP23XX_TIMER_WDOG IXP23XX_TIMER_REG(0x14) +#define IXP23XX_TIMER_WDOG_EN IXP23XX_TIMER_REG(0x18) +#define IXP23XX_TIMER_WDOG_KEY IXP23XX_TIMER_REG(0x1c) +#define IXP23XX_TIMER_WDOG_KEY_MAGIC 0x482e +#define IXP23XX_TIMER_STATUS IXP23XX_TIMER_REG(0x20) +#define IXP23XX_TIMER_SOFT_RESET IXP23XX_TIMER_REG(0x24) +#define IXP23XX_TIMER_SOFT_RESET_EN IXP23XX_TIMER_REG(0x28) + +#define IXP23XX_TIMER_ENABLE (1 << 0) +#define IXP23XX_TIMER_ONE_SHOT (1 << 1) +/* Low order bits of reload value ignored */ +#define IXP23XX_TIMER_RELOAD_MASK (0x3) +#define IXP23XX_TIMER_DISABLED (0x0) +#define IXP23XX_TIMER1_INT_PEND (1 << 0) +#define IXP23XX_TIMER2_INT_PEND (1 << 1) +#define IXP23XX_TIMER_STATUS_TS_PEND (1 << 2) +#define IXP23XX_TIMER_STATUS_WDOG_PEND (1 << 3) +#define IXP23XX_TIMER_STATUS_WARM_RESET (1 << 4) + + +/**************************************************************************** + * CAP CSRs. + ****************************************************************************/ +#define IXP23XX_GLOBAL_REG(x) ((volatile unsigned long *)(IXP23XX_CAP_CSR_VIRT + 0x4a00 + (x))) +#define IXP23XX_PROD_IDG IXP23XX_GLOBAL_REG(0x00) +#define IXP23XX_MISC_CONTROL IXP23XX_GLOBAL_REG(0x04) +#define IXP23XX_MSF_CLK_CNTRL IXP23XX_GLOBAL_REG(0x08) +#define IXP23XX_RESET0 IXP23XX_GLOBAL_REG(0x0c) +#define IXP23XX_RESET1 IXP23XX_GLOBAL_REG(0x10) +#define IXP23XX_STRAP_OPTIONS IXP23XX_GLOBAL_REG(0x18) + +#define IXP23XX_ENABLE_WATCHDOG (1 << 24) +#define IXP23XX_SHPC_INIT_COMP (1 << 21) +#define IXP23XX_RST_ALL (1 << 16) +#define IXP23XX_RESET_PCI (1 << 2) +#define IXP23XX_PCI_UNIT_RESET (1 << 1) +#define IXP23XX_XSCALE_RESET (1 << 0) + + +/**************************************************************************** + * PCI CSRs. + ****************************************************************************/ +#define IXP23XX_PCI_CREG(x) ((volatile unsigned long *)(IXP23XX_PCI_CREG_VIRT + (x))) +#define IXP23XX_PCI_CMDSTAT IXP23XX_PCI_CREG(0x04) +#define IXP23XX_PCI_SRAM_BAR IXP23XX_PCI_CREG(0x14) +#define IXP23XX_PCI_SDRAM_BAR IXP23XX_PCI_CREG(0x18) + + +#define IXP23XX_PCI_CSR(x) ((volatile unsigned long *)(IXP23XX_PCI_CREG_VIRT + 0x01000000 + (x))) +#define IXP23XX_PCI_OUT_INT_STATUS IXP23XX_PCI_CSR(0x0030) +#define IXP23XX_PCI_OUT_INT_MASK IXP23XX_PCI_CSR(0x0034) +#define IXP23XX_PCI_SRAM_BASE_ADDR_MASK IXP23XX_PCI_CSR(0x00fc) +#define IXP23XX_PCI_DRAM_BASE_ADDR_MASK IXP23XX_PCI_CSR(0x0100) +#define IXP23XX_PCI_CONTROL IXP23XX_PCI_CSR(0x013c) +#define IXP23XX_PCI_ADDR_EXT IXP23XX_PCI_CSR(0x0140) +#define IXP23XX_PCI_ME_PUSH_STATUS IXP23XX_PCI_CSR(0x0148) +#define IXP23XX_PCI_ME_PUSH_EN IXP23XX_PCI_CSR(0x014c) +#define IXP23XX_PCI_ERR_STATUS IXP23XX_PCI_CSR(0x0150) +#define IXP23XX_PCI_ERROR_STATUS IXP23XX_PCI_CSR(0x0150) +#define IXP23XX_PCI_ERR_ENABLE IXP23XX_PCI_CSR(0x0154) +#define IXP23XX_PCI_XSCALE_INT_STATUS IXP23XX_PCI_CSR(0x0158) +#define IXP23XX_PCI_XSCALE_INT_ENABLE IXP23XX_PCI_CSR(0x015c) +#define IXP23XX_PCI_CPP_ADDR_BITS IXP23XX_PCI_CSR(0x0160) + + +#ifndef __ASSEMBLY__ +/* + * Is system memory on the XSI or CPP bus? + */ +static inline unsigned ixp23xx_cpp_boot(void) +{ + return (*IXP23XX_EXP_CFG0 & IXP23XX_EXP_CFG0_XSI_NOT_PRES); +} +#endif + + +#endif diff --git a/include/asm-arm/arch-ixp23xx/memory.h b/include/asm-arm/arch-ixp23xx/memory.h new file mode 100644 index 000000000000..bebcf0aa0d72 --- /dev/null +++ b/include/asm-arm/arch-ixp23xx/memory.h @@ -0,0 +1,46 @@ +/* + * include/asm-arm/arch-ixp23xx/memory.h + * + * Copyright (c) 2003-2004 Intel Corp. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#ifndef __ASM_ARCH_MEMORY_H +#define __ASM_ARCH_MEMORY_H + +#include <asm/hardware.h> + +/* + * Physical DRAM offset. + */ +#define PHYS_OFFSET (0x00000000) + + +/* + * Virtual view <-> DMA view memory address translations + * virt_to_bus: Used to translate the virtual address to an + * address suitable to be passed to set_dma_addr + * bus_to_virt: Used to convert an address for DMA operations + * to an address that the kernel can use. + */ +#ifndef __ASSEMBLY__ + +#define __virt_to_bus(v) \ + ({ unsigned int ret; \ + ret = ((__virt_to_phys(v) - 0x00000000) + \ + (*((volatile int *)IXP23XX_PCI_SDRAM_BAR) & 0xfffffff0)); \ + ret; }) + +#define __bus_to_virt(b) \ + ({ unsigned int data; \ + data = *((volatile int *)IXP23XX_PCI_SDRAM_BAR); \ + __phys_to_virt((((b - (data & 0xfffffff0)) + 0x00000000))); }) + +#endif + + +#endif diff --git a/include/asm-arm/arch-ixp23xx/platform.h b/include/asm-arm/arch-ixp23xx/platform.h new file mode 100644 index 000000000000..f85b4685a491 --- /dev/null +++ b/include/asm-arm/arch-ixp23xx/platform.h @@ -0,0 +1,31 @@ +/* + * include/asm-arm/arch-ixp23xx/platform.h + * + * Various bits of code used by platform-level code. + * + * Author: Deepak Saxena <dsaxena@plexity.net> + * + * Copyright 2005 (c) MontaVista Software, Inc. + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#ifndef __ASSEMBLY__ + +struct pci_sys_data; + +void ixp23xx_map_io(void); +void ixp23xx_init_irq(void); +void ixp23xx_sys_init(void); +int ixp23xx_pci_setup(int, struct pci_sys_data *); +void ixp23xx_pci_preinit(void); +struct pci_bus *ixp23xx_pci_scan_bus(int, struct pci_sys_data*); + +extern struct sys_timer ixp23xx_timer; + +#define IXP23XX_UART_XTAL 14745600 + + +#endif diff --git a/include/asm-arm/arch-ixp23xx/system.h b/include/asm-arm/arch-ixp23xx/system.h new file mode 100644 index 000000000000..925e6b0c338b --- /dev/null +++ b/include/asm-arm/arch-ixp23xx/system.h @@ -0,0 +1,33 @@ +/* + * include/asm-arm/arch-ixp23xx/system.h + * + * Copyright (C) 2003 Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <asm/hardware.h> +#include <asm/mach-types.h> + +static inline void arch_idle(void) +{ +#if 0 + if (!hlt_counter) + cpu_do_idle(); +#endif +} + +static inline void arch_reset(char mode) +{ + /* First try machine specific support */ + if (machine_is_ixdp2351()) { + *IXDP2351_CPLD_RESET1_REG = IXDP2351_CPLD_RESET1_MAGIC; + (void) *IXDP2351_CPLD_RESET1_REG; + *IXDP2351_CPLD_RESET1_REG = IXDP2351_CPLD_RESET1_ENABLE; + } + + /* Use on-chip reset capability */ + *IXP23XX_RESET0 |= IXP23XX_RST_ALL; +} diff --git a/include/asm-arm/arch-ixp23xx/time.h b/include/asm-arm/arch-ixp23xx/time.h new file mode 100644 index 000000000000..f6828fdd2883 --- /dev/null +++ b/include/asm-arm/arch-ixp23xx/time.h @@ -0,0 +1,3 @@ +/* + * include/asm-arm/arch-ixp23xx/time.h + */ diff --git a/include/asm-arm/arch-ixp23xx/timex.h b/include/asm-arm/arch-ixp23xx/timex.h new file mode 100644 index 000000000000..516f72fe6082 --- /dev/null +++ b/include/asm-arm/arch-ixp23xx/timex.h @@ -0,0 +1,7 @@ +/* + * include/asm-arm/arch-ixp23xx/timex.h + * + * XScale architecture timex specifications + */ + +#define CLOCK_TICK_RATE 75000000 diff --git a/include/asm-arm/arch-ixp23xx/uncompress.h b/include/asm-arm/arch-ixp23xx/uncompress.h new file mode 100644 index 000000000000..62623fa9b2f7 --- /dev/null +++ b/include/asm-arm/arch-ixp23xx/uncompress.h @@ -0,0 +1,45 @@ +/* + * include/asm-arm/arch-ixp23xx/uncompress.h + * + * Copyright (C) 2002-2004 Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ASM_ARCH_UNCOMPRESS_H +#define __ASM_ARCH_UNCOMPRESS_H + +#include <asm/hardware.h> +#include <linux/serial_reg.h> + +#define UART_BASE ((volatile u32 *)IXP23XX_UART1_PHYS) + +static __inline__ void putc(char c) +{ + int j; + + for (j = 0; j < 0x1000; j++) { + if (UART_BASE[UART_LSR] & UART_LSR_THRE) + break; + } + + UART_BASE[UART_TX] = c; +} + +static void putstr(const char *s) +{ + while (*s) { + putc(*s); + if (*s == '\n') + putc('\r'); + s++; + } +} + +#define arch_decomp_setup() +#define arch_decomp_wdog() + + +#endif diff --git a/include/asm-arm/arch-ixp23xx/vmalloc.h b/include/asm-arm/arch-ixp23xx/vmalloc.h new file mode 100644 index 000000000000..9f2566658541 --- /dev/null +++ b/include/asm-arm/arch-ixp23xx/vmalloc.h @@ -0,0 +1,10 @@ +/* + * include/asm-arm/arch-ixp23xx/vmalloc.h + * + * Copyright (c) 2005 MontaVista Software, Inc. + * + * NPU mappings end at 0xf0000000 and we allocate 64MB for board + * specific static I/O. + */ + +#define VMALLOC_END (0xec000000) diff --git a/include/asm-arm/arch-ixp4xx/uncompress.h b/include/asm-arm/arch-ixp4xx/uncompress.h index 960c35810a22..09ae6c91be60 100644 --- a/include/asm-arm/arch-ixp4xx/uncompress.h +++ b/include/asm-arm/arch-ixp4xx/uncompress.h @@ -21,26 +21,18 @@ static volatile u32* uart_base; -static __inline__ void putc(char c) +static inline void putc(int c) { /* Check THRE and TEMT bits before we transmit the character. */ - while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE); + while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE) + barrier(); + *uart_base = c; } -/* - * This does not append a newline - */ -static void putstr(const char *s) +static void flush(void) { - while (*s) - { - putc(*s); - if (*s == '\n') - putc('\r'); - s++; - } } static __inline__ void __arch_decomp_setup(unsigned long arch_id) diff --git a/include/asm-arm/arch-l7200/uncompress.h b/include/asm-arm/arch-l7200/uncompress.h index 1caa2b560f53..9fcd40aee3e3 100644 --- a/include/asm-arm/arch-l7200/uncompress.h +++ b/include/asm-arm/arch-l7200/uncompress.h @@ -16,22 +16,17 @@ #define __raw_writeb(v,p) (*(volatile unsigned char *)(p) = (v)) #define __raw_readb(p) (*(volatile unsigned char *)(p)) -static __inline__ void putc(char c) +static inline void putc(int c) { while(__raw_readb(IO_UART + 0x18) & 0x20 || - __raw_readb(IO_UART + 0x18) & 0x08); + __raw_readb(IO_UART + 0x18) & 0x08) + barrier(); + __raw_writeb(c, IO_UART + 0x00); } -static void putstr(const char *s) +static inline void flush(void) { - while (*s) { - if (*s == 10) { /* If a LF, add CR */ - putc(10); - putc(13); - } - putc(*(s++)); - } } static __inline__ void arch_decomp_setup(void) diff --git a/include/asm-arm/arch-lh7a40x/uncompress.h b/include/asm-arm/arch-lh7a40x/uncompress.h index ec8ab67122f3..f8053346f608 100644 --- a/include/asm-arm/arch-lh7a40x/uncompress.h +++ b/include/asm-arm/arch-lh7a40x/uncompress.h @@ -22,20 +22,15 @@ #define UART_STATUS (*(volatile unsigned long*) (UART2_PHYS + UART_R_STATUS)) #define UART_DATA (*(volatile unsigned long*) (UART2_PHYS + UART_R_DATA)) -static __inline__ void putc (char ch) +static inline void putc(int ch) { while (UART_STATUS & nTxRdy) - ; + barrier(); UART_DATA = ch; } -static void putstr (const char* sz) +static inline void flush(void) { - for (; *sz; ++sz) { - putc (*sz); - if (*sz == '\n') - putc ('\r'); - } } /* NULL functions; we don't presently need them */ diff --git a/include/asm-arm/arch-omap/uncompress.h b/include/asm-arm/arch-omap/uncompress.h index c718264affbd..ca2c8bec82e7 100644 --- a/include/asm-arm/arch-omap/uncompress.h +++ b/include/asm-arm/arch-omap/uncompress.h @@ -30,8 +30,7 @@ unsigned int system_rev; #define check_port(base, shift) ((base[UART_OMAP_MDR1 << shift] & 7) == 0) #define omap_get_id() ((*(volatile unsigned int *)(0xfffed404)) >> 12) & ID_MASK -static void -putstr(const char *s) +static void putc(int c) { volatile u8 * uart = 0; int shift = 2; @@ -69,16 +68,13 @@ putstr(const char *s) /* * Now, xmit each character */ - while (*s) { - while (!(uart[UART_LSR << shift] & UART_LSR_THRE)) - barrier(); - uart[UART_TX << shift] = *s; - if (*s++ == '\n') { - while (!(uart[UART_LSR << shift] & UART_LSR_THRE)) - barrier(); - uart[UART_TX << shift] = '\r'; - } - } + while (!(uart[UART_LSR << shift] & UART_LSR_THRE)) + barrier(); + uart[UART_TX << shift] = c; +} + +static inline void flush(void) +{ } /* diff --git a/include/asm-arm/arch-pxa/irqs.h b/include/asm-arm/arch-pxa/irqs.h index 05c4b7027592..67af238a8f8e 100644 --- a/include/asm-arm/arch-pxa/irqs.h +++ b/include/asm-arm/arch-pxa/irqs.h @@ -176,6 +176,7 @@ #elif defined(CONFIG_SHARP_LOCOMO) #define NR_IRQS (IRQ_LOCOMO_SPI_TEND + 1) #elif defined(CONFIG_ARCH_LUBBOCK) || \ + defined(CONFIG_MACH_LOGICPD_PXA270) || \ defined(CONFIG_MACH_MAINSTONE) #define NR_IRQS (IRQ_BOARD_END) #else @@ -196,6 +197,11 @@ #define LUBBOCK_USB_DISC_IRQ LUBBOCK_IRQ(6) /* usb disconnect */ #define LUBBOCK_LAST_IRQ LUBBOCK_IRQ(6) +#define LPD270_IRQ(x) (IRQ_BOARD_START + (x)) +#define LPD270_USBC_IRQ LPD270_IRQ(2) +#define LPD270_ETHERNET_IRQ LPD270_IRQ(3) +#define LPD270_AC97_IRQ LPD270_IRQ(4) + #define MAINSTONE_IRQ(x) (IRQ_BOARD_START + (x)) #define MAINSTONE_MMC_IRQ MAINSTONE_IRQ(0) #define MAINSTONE_USIM_IRQ MAINSTONE_IRQ(1) diff --git a/include/asm-arm/arch-pxa/lpd270.h b/include/asm-arm/arch-pxa/lpd270.h new file mode 100644 index 000000000000..501d240ac120 --- /dev/null +++ b/include/asm-arm/arch-pxa/lpd270.h @@ -0,0 +1,38 @@ +/* + * include/asm-arm/arch-pxa/lpd270.h + * + * Author: Lennert Buytenhek + * Created: Feb 10, 2006 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ASM_ARCH_LPD270_H +#define __ASM_ARCH_LPD270_H + +#define LPD270_CPLD_PHYS PXA_CS2_PHYS +#define LPD270_CPLD_VIRT 0xf0000000 +#define LPD270_CPLD_SIZE 0x00100000 + +#define LPD270_ETH_PHYS (PXA_CS2_PHYS + 0x01000000) + +/* CPLD registers */ +#define LPD270_CPLD_REG(x) ((unsigned long)(LPD270_CPLD_VIRT + (x))) +#define LPD270_CONTROL LPD270_CPLD_REG(0x00) +#define LPD270_PERIPHERAL0 LPD270_CPLD_REG(0x04) +#define LPD270_PERIPHERAL1 LPD270_CPLD_REG(0x08) +#define LPD270_CPLD_REVISION LPD270_CPLD_REG(0x14) +#define LPD270_EEPROM_SPI_ITF LPD270_CPLD_REG(0x20) +#define LPD270_MODE_PINS LPD270_CPLD_REG(0x24) +#define LPD270_EGPIO LPD270_CPLD_REG(0x30) +#define LPD270_INT_MASK LPD270_CPLD_REG(0x40) +#define LPD270_INT_STATUS LPD270_CPLD_REG(0x50) + +#define LPD270_INT_AC97 (1 << 4) /* AC'97 CODEC IRQ */ +#define LPD270_INT_ETHERNET (1 << 3) /* Ethernet controller IRQ */ +#define LPD270_INT_USBC (1 << 2) /* USB client cable detection IRQ */ + + +#endif diff --git a/include/asm-arm/arch-pxa/uncompress.h b/include/asm-arm/arch-pxa/uncompress.h index fe38090444e0..178aa2e073ac 100644 --- a/include/asm-arm/arch-pxa/uncompress.h +++ b/include/asm-arm/arch-pxa/uncompress.h @@ -17,23 +17,18 @@ #define UART FFUART -static __inline__ void putc(char c) +static inline void putc(char c) { - while (!(UART[5] & 0x20)); + while (!(UART[5] & 0x20)) + barrier(); UART[0] = c; } /* * This does not append a newline */ -static void putstr(const char *s) +static inline void flush(void) { - while (*s) { - putc(*s); - if (*s == '\n') - putc('\r'); - s++; - } } /* diff --git a/include/asm-arm/arch-realview/uncompress.h b/include/asm-arm/arch-realview/uncompress.h index b5e4d360665b..f05631d76743 100644 --- a/include/asm-arm/arch-realview/uncompress.h +++ b/include/asm-arm/arch-realview/uncompress.h @@ -27,22 +27,16 @@ /* * This does not append a newline */ -static void putstr(const char *s) +static inline void putc(int c) { - while (*s) { - while (AMBA_UART_FR & (1 << 5)) - barrier(); - - AMBA_UART_DR = *s; + while (AMBA_UART_FR & (1 << 5)) + barrier(); - if (*s == '\n') { - while (AMBA_UART_FR & (1 << 5)) - barrier(); + AMBA_UART_DR = c; +} - AMBA_UART_DR = '\r'; - } - s++; - } +static inline void flush(void) +{ while (AMBA_UART_FR & (1 << 3)) barrier(); } diff --git a/include/asm-arm/arch-rpc/uncompress.h b/include/asm-arm/arch-rpc/uncompress.h index 43035fec64d2..06231ede54e5 100644 --- a/include/asm-arm/arch-rpc/uncompress.h +++ b/include/asm-arm/arch-rpc/uncompress.h @@ -67,31 +67,28 @@ extern __attribute__((pure)) struct param_struct *params(void); /* * This does not append a newline */ -static void putstr(const char *s) +static void putc(int c) { extern void ll_write_char(char *, char c, char white); int x,y; - unsigned char c; char *ptr; x = params->video_x; y = params->video_y; - while ( ( c = *(unsigned char *)s++ ) != '\0' ) { - if ( c == '\n' ) { + if (c == '\n') { + if (++y >= video_num_lines) + y--; + } else if (c == '\r') { + x = 0; + } else { + ptr = VIDMEM + ((y*video_num_columns*params->bytes_per_char_v+x)*bytes_per_char_h); + ll_write_char(ptr, c, white); + if (++x >= video_num_columns) { x = 0; if ( ++y >= video_num_lines ) { y--; } - } else { - ptr = VIDMEM + ((y*video_num_columns*params->bytes_per_char_v+x)*bytes_per_char_h); - ll_write_char(ptr, c, white); - if ( ++x >= video_num_columns ) { - x = 0; - if ( ++y >= video_num_lines ) { - y--; - } - } } } @@ -99,6 +96,10 @@ static void putstr(const char *s) params->video_y = y; } +static inline void flush(void) +{ +} + static void error(char *x); /* diff --git a/include/asm-arm/arch-s3c2410/uncompress.h b/include/asm-arm/arch-s3c2410/uncompress.h index 4367ec054b51..a6f6a0e44afa 100644 --- a/include/asm-arm/arch-s3c2410/uncompress.h +++ b/include/asm-arm/arch-s3c2410/uncompress.h @@ -67,8 +67,7 @@ uart_rd(unsigned int reg) * waiting for tx to happen... */ -static void -putc(char ch) +static void putc(int ch) { int cpuid = S3C2410_GSTATUS1_2410; @@ -77,9 +76,6 @@ putc(char ch) cpuid &= S3C2410_GSTATUS1_IDMASK; #endif - if (ch == '\n') - putc('\r'); /* expand newline to \r\n */ - if (uart_rd(S3C2410_UFCON) & S3C2410_UFCON_FIFOMODE) { int level; @@ -101,19 +97,16 @@ putc(char ch) } else { /* not using fifos */ - while ((uart_rd(S3C2410_UTRSTAT) & S3C2410_UTRSTAT_TXE) != S3C2410_UTRSTAT_TXE); + while ((uart_rd(S3C2410_UTRSTAT) & S3C2410_UTRSTAT_TXE) != S3C2410_UTRSTAT_TXE) + barrier(); } /* write byte to transmission register */ uart_wr(S3C2410_UTXH, ch); } -static void -putstr(const char *ptr) +static inline void flush(void) { - for (; *ptr != '\0'; ptr++) { - putc(*ptr); - } } #define __raw_writel(d,ad) do { *((volatile unsigned int *)(ad)) = (d); } while(0) diff --git a/include/asm-arm/arch-sa1100/uncompress.h b/include/asm-arm/arch-sa1100/uncompress.h index 43453501ee66..2601a77a6dda 100644 --- a/include/asm-arm/arch-sa1100/uncompress.h +++ b/include/asm-arm/arch-sa1100/uncompress.h @@ -17,7 +17,7 @@ #define UART(x) (*(volatile unsigned long *)(serial_port + (x))) -static void putstr( const char *s ) +static void putc(int c) { unsigned long serial_port; @@ -31,19 +31,16 @@ static void putstr( const char *s ) return; } while (0); - for (; *s; s++) { - /* wait for space in the UART's transmitter */ - while (!(UART(UTSR1) & UTSR1_TNF)); + /* wait for space in the UART's transmitter */ + while (!(UART(UTSR1) & UTSR1_TNF)) + barrier(); - /* send the character out. */ - UART(UTDR) = *s; + /* send the character out. */ + UART(UTDR) = c; +} - /* if a LF, also do CR... */ - if (*s == 10) { - while (!(UART(UTSR1) & UTSR1_TNF)); - UART(UTDR) = 13; - } - } +static inline void flush(void) +{ } /* diff --git a/include/asm-arm/arch-shark/uncompress.h b/include/asm-arm/arch-shark/uncompress.h index 910a8e0a0ca5..7eca6534f1bb 100644 --- a/include/asm-arm/arch-shark/uncompress.h +++ b/include/asm-arm/arch-shark/uncompress.h @@ -9,7 +9,7 @@ #define SERIAL_BASE ((volatile unsigned char *)0x400003f8) -static __inline__ void putc(char c) +static inline void putc(int c) { int t; @@ -18,17 +18,8 @@ static __inline__ void putc(char c) while (t--); } -/* - * This does not append a newline - */ -static void putstr(const char *s) +static inline void flush(void) { - while (*s) { - putc(*s); - if (*s == '\n') - putc('\r'); - s++; - } } #ifdef DEBUG diff --git a/include/asm-arm/arch-versatile/uncompress.h b/include/asm-arm/arch-versatile/uncompress.h index 2f57499c7b92..7215133d0514 100644 --- a/include/asm-arm/arch-versatile/uncompress.h +++ b/include/asm-arm/arch-versatile/uncompress.h @@ -25,22 +25,16 @@ /* * This does not append a newline */ -static void putstr(const char *s) +static inline void putc(int c) { - while (*s) { - while (AMBA_UART_FR & (1 << 5)) - barrier(); - - AMBA_UART_DR = *s; + while (AMBA_UART_FR & (1 << 5)) + barrier(); - if (*s == '\n') { - while (AMBA_UART_FR & (1 << 5)) - barrier(); + AMBA_UART_DR = c; +} - AMBA_UART_DR = '\r'; - } - s++; - } +static inline void flush(void) +{ while (AMBA_UART_FR & (1 << 3)) barrier(); } diff --git a/include/asm-arm/assembler.h b/include/asm-arm/assembler.h index f31ac92b6c7f..d53bafa9bf1c 100644 --- a/include/asm-arm/assembler.h +++ b/include/asm-arm/assembler.h @@ -80,16 +80,33 @@ instr regs /* - * Save the current IRQ state and disable IRQs. Note that this macro - * assumes FIQs are enabled, and that the processor is in SVC mode. + * Enable and disable interrupts */ - .macro save_and_disable_irqs, oldcpsr - mrs \oldcpsr, cpsr #if __LINUX_ARM_ARCH__ >= 6 + .macro disable_irq cpsid i + .endm + + .macro enable_irq + cpsie i + .endm #else - msr cpsr_c, #PSR_I_BIT | MODE_SVC + .macro disable_irq + msr cpsr_c, #PSR_I_BIT | SVC_MODE + .endm + + .macro enable_irq + msr cpsr_c, #SVC_MODE + .endm #endif + +/* + * Save the current IRQ state and disable IRQs. Note that this macro + * assumes FIQs are enabled, and that the processor is in SVC mode. + */ + .macro save_and_disable_irqs, oldcpsr + mrs \oldcpsr, cpsr + disable_irq .endm /* diff --git a/include/asm-arm/bitops.h b/include/asm-arm/bitops.h index d02de721ecc1..0ac54b1a8bad 100644 --- a/include/asm-arm/bitops.h +++ b/include/asm-arm/bitops.h @@ -117,65 +117,7 @@ ____atomic_test_and_change_bit(unsigned int bit, volatile unsigned long *p) return res & mask; } -/* - * Now the non-atomic variants. We let the compiler handle all - * optimisations for these. These are all _native_ endian. - */ -static inline void __set_bit(int nr, volatile unsigned long *p) -{ - p[nr >> 5] |= (1UL << (nr & 31)); -} - -static inline void __clear_bit(int nr, volatile unsigned long *p) -{ - p[nr >> 5] &= ~(1UL << (nr & 31)); -} - -static inline void __change_bit(int nr, volatile unsigned long *p) -{ - p[nr >> 5] ^= (1UL << (nr & 31)); -} - -static inline int __test_and_set_bit(int nr, volatile unsigned long *p) -{ - unsigned long oldval, mask = 1UL << (nr & 31); - - p += nr >> 5; - - oldval = *p; - *p = oldval | mask; - return oldval & mask; -} - -static inline int __test_and_clear_bit(int nr, volatile unsigned long *p) -{ - unsigned long oldval, mask = 1UL << (nr & 31); - - p += nr >> 5; - - oldval = *p; - *p = oldval & ~mask; - return oldval & mask; -} - -static inline int __test_and_change_bit(int nr, volatile unsigned long *p) -{ - unsigned long oldval, mask = 1UL << (nr & 31); - - p += nr >> 5; - - oldval = *p; - *p = oldval ^ mask; - return oldval & mask; -} - -/* - * This routine doesn't need to be atomic. - */ -static inline int __test_bit(int nr, const volatile unsigned long * p) -{ - return (p[nr >> 5] >> (nr & 31)) & 1UL; -} +#include <asm-generic/bitops/non-atomic.h> /* * A note about Endian-ness. @@ -261,7 +203,6 @@ extern int _find_next_bit_be(const unsigned long *p, int size, int offset); #define test_and_set_bit(nr,p) ATOMIC_BITOP_LE(test_and_set_bit,nr,p) #define test_and_clear_bit(nr,p) ATOMIC_BITOP_LE(test_and_clear_bit,nr,p) #define test_and_change_bit(nr,p) ATOMIC_BITOP_LE(test_and_change_bit,nr,p) -#define test_bit(nr,p) __test_bit(nr,p) #define find_first_zero_bit(p,sz) _find_first_zero_bit_le(p,sz) #define find_next_zero_bit(p,sz,off) _find_next_zero_bit_le(p,sz,off) #define find_first_bit(p,sz) _find_first_bit_le(p,sz) @@ -280,7 +221,6 @@ extern int _find_next_bit_be(const unsigned long *p, int size, int offset); #define test_and_set_bit(nr,p) ATOMIC_BITOP_BE(test_and_set_bit,nr,p) #define test_and_clear_bit(nr,p) ATOMIC_BITOP_BE(test_and_clear_bit,nr,p) #define test_and_change_bit(nr,p) ATOMIC_BITOP_BE(test_and_change_bit,nr,p) -#define test_bit(nr,p) __test_bit(nr,p) #define find_first_zero_bit(p,sz) _find_first_zero_bit_be(p,sz) #define find_next_zero_bit(p,sz,off) _find_next_zero_bit_be(p,sz,off) #define find_first_bit(p,sz) _find_first_bit_be(p,sz) @@ -292,57 +232,41 @@ extern int _find_next_bit_be(const unsigned long *p, int size, int offset); #if __LINUX_ARM_ARCH__ < 5 -/* - * ffz = Find First Zero in word. Undefined if no zero exists, - * so code should check against ~0UL first.. - */ -static inline unsigned long ffz(unsigned long word) -{ - int k; - - word = ~word; - k = 31; - if (word & 0x0000ffff) { k -= 16; word <<= 16; } - if (word & 0x00ff0000) { k -= 8; word <<= 8; } - if (word & 0x0f000000) { k -= 4; word <<= 4; } - if (word & 0x30000000) { k -= 2; word <<= 2; } - if (word & 0x40000000) { k -= 1; } - return k; -} - -/* - * ffz = Find First Zero in word. Undefined if no zero exists, - * so code should check against ~0UL first.. - */ -static inline unsigned long __ffs(unsigned long word) -{ - int k; - - k = 31; - if (word & 0x0000ffff) { k -= 16; word <<= 16; } - if (word & 0x00ff0000) { k -= 8; word <<= 8; } - if (word & 0x0f000000) { k -= 4; word <<= 4; } - if (word & 0x30000000) { k -= 2; word <<= 2; } - if (word & 0x40000000) { k -= 1; } - return k; -} - -/* - * fls: find last bit set. - */ +#include <asm-generic/bitops/ffz.h> +#include <asm-generic/bitops/__ffs.h> +#include <asm-generic/bitops/fls.h> +#include <asm-generic/bitops/ffs.h> -#define fls(x) generic_fls(x) -#define fls64(x) generic_fls64(x) - -/* - * ffs: find first bit set. This is defined the same way as - * the libc and compiler builtin ffs routines, therefore - * differs in spirit from the above ffz (man ffs). - */ +#else -#define ffs(x) generic_ffs(x) +static inline int constant_fls(int x) +{ + int r = 32; -#else + if (!x) + return 0; + if (!(x & 0xffff0000u)) { + x <<= 16; + r -= 16; + } + if (!(x & 0xff000000u)) { + x <<= 8; + r -= 8; + } + if (!(x & 0xf0000000u)) { + x <<= 4; + r -= 4; + } + if (!(x & 0xc0000000u)) { + x <<= 2; + r -= 2; + } + if (!(x & 0x80000000u)) { + x <<= 1; + r -= 1; + } + return r; +} /* * On ARMv5 and above those functions can be implemented around @@ -350,39 +274,18 @@ static inline unsigned long __ffs(unsigned long word) */ #define fls(x) \ - ( __builtin_constant_p(x) ? generic_fls(x) : \ + ( __builtin_constant_p(x) ? constant_fls(x) : \ ({ int __r; asm("clz\t%0, %1" : "=r"(__r) : "r"(x) : "cc"); 32-__r; }) ) -#define fls64(x) generic_fls64(x) #define ffs(x) ({ unsigned long __t = (x); fls(__t & -__t); }) #define __ffs(x) (ffs(x) - 1) #define ffz(x) __ffs( ~(x) ) #endif -/* - * Find first bit set in a 168-bit bitmap, where the first - * 128 bits are unlikely to be set. - */ -static inline int sched_find_first_bit(const unsigned long *b) -{ - unsigned long v; - unsigned int off; - - for (off = 0; v = b[off], off < 4; off++) { - if (unlikely(v)) - break; - } - return __ffs(v) + off * 32; -} - -/* - * hweightN: returns the hamming weight (i.e. the number - * of bits set) of a N-bit word - */ +#include <asm-generic/bitops/fls64.h> -#define hweight32(x) generic_hweight32(x) -#define hweight16(x) generic_hweight16(x) -#define hweight8(x) generic_hweight8(x) +#include <asm-generic/bitops/sched.h> +#include <asm-generic/bitops/hweight.h> /* * Ext2 is defined to use little-endian byte ordering. @@ -397,7 +300,7 @@ static inline int sched_find_first_bit(const unsigned long *b) #define ext2_clear_bit_atomic(lock,nr,p) \ test_and_clear_bit(WORD_BITOFF_TO_LE(nr), (unsigned long *)(p)) #define ext2_test_bit(nr,p) \ - __test_bit(WORD_BITOFF_TO_LE(nr), (unsigned long *)(p)) + test_bit(WORD_BITOFF_TO_LE(nr), (unsigned long *)(p)) #define ext2_find_first_zero_bit(p,sz) \ _find_first_zero_bit_le(p,sz) #define ext2_find_next_zero_bit(p,sz,off) \ @@ -410,7 +313,7 @@ static inline int sched_find_first_bit(const unsigned long *b) #define minix_set_bit(nr,p) \ __set_bit(WORD_BITOFF_TO_LE(nr), (unsigned long *)(p)) #define minix_test_bit(nr,p) \ - __test_bit(WORD_BITOFF_TO_LE(nr), (unsigned long *)(p)) + test_bit(WORD_BITOFF_TO_LE(nr), (unsigned long *)(p)) #define minix_test_and_set_bit(nr,p) \ __test_and_set_bit(WORD_BITOFF_TO_LE(nr), (unsigned long *)(p)) #define minix_test_and_clear_bit(nr,p) \ diff --git a/include/asm-arm/cacheflush.h b/include/asm-arm/cacheflush.h index 09e19a783a51..746be56b1b70 100644 --- a/include/asm-arm/cacheflush.h +++ b/include/asm-arm/cacheflush.h @@ -71,6 +71,14 @@ # endif #endif +#if defined(CONFIG_CPU_XSC3) +# ifdef _CACHE +# define MULTI_CACHE 1 +# else +# define _CACHE xsc3 +# endif +#endif + #if defined(CONFIG_CPU_V6) //# ifdef _CACHE # define MULTI_CACHE 1 diff --git a/include/asm-arm/domain.h b/include/asm-arm/domain.h index da1d960387d9..f8ea2de4848e 100644 --- a/include/asm-arm/domain.h +++ b/include/asm-arm/domain.h @@ -16,11 +16,29 @@ * DOMAIN_IO - domain 2 includes all IO only * DOMAIN_USER - domain 1 includes all user memory only * DOMAIN_KERNEL - domain 0 includes all kernel memory only + * + * The domain numbering depends on whether we support 36 physical + * address for I/O or not. Addresses above the 32 bit boundary can + * only be mapped using supersections and supersections can only + * be set for domain 0. We could just default to DOMAIN_IO as zero, + * but there may be systems with supersection support and no 36-bit + * addressing. In such cases, we want to map system memory with + * supersections to reduce TLB misses and footprint. + * + * 36-bit addressing and supersections are only available on + * CPUs based on ARMv6+ or the Intel XSC3 core. */ +#ifndef CONFIG_IO_36 #define DOMAIN_KERNEL 0 #define DOMAIN_TABLE 0 #define DOMAIN_USER 1 #define DOMAIN_IO 2 +#else +#define DOMAIN_KERNEL 2 +#define DOMAIN_TABLE 2 +#define DOMAIN_USER 1 +#define DOMAIN_IO 0 +#endif /* * Domain types diff --git a/include/asm-arm/memory.h b/include/asm-arm/memory.h index b4e1146ab682..afa5c3ea077c 100644 --- a/include/asm-arm/memory.h +++ b/include/asm-arm/memory.h @@ -172,9 +172,7 @@ static inline __deprecated void *bus_to_virt(unsigned long x) * virt_addr_valid(k) indicates whether a virtual address is valid */ #ifndef CONFIG_DISCONTIGMEM - -#define page_to_pfn(page) (((page) - mem_map) + PHYS_PFN_OFFSET) -#define pfn_to_page(pfn) ((mem_map + (pfn)) - PHYS_PFN_OFFSET) +#define ARCH_PFN_OFFSET (PHYS_PFN_OFFSET) #define pfn_valid(pfn) ((pfn) >= PHYS_PFN_OFFSET && (pfn) < (PHYS_PFN_OFFSET + max_mapnr)) #define virt_to_page(kaddr) (pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)) @@ -189,13 +187,8 @@ static inline __deprecated void *bus_to_virt(unsigned long x) * around in memory. */ #include <linux/numa.h> - -#define page_to_pfn(page) \ - (( (page) - page_zone(page)->zone_mem_map) \ - + page_zone(page)->zone_start_pfn) - -#define pfn_to_page(pfn) \ - (PFN_TO_MAPBASE(pfn) + LOCAL_MAP_NR((pfn) << PAGE_SHIFT)) +#define arch_pfn_to_nid(pfn) (PFN_TO_NID(pfn)) +#define arch_local_page_offset(pfn, nid) (LOCAL_MAP_NR((pfn) << PAGE_OFFSET)) #define pfn_valid(pfn) \ ({ \ @@ -243,4 +236,6 @@ static inline __deprecated void *bus_to_virt(unsigned long x) #endif +#include <asm-generic/memory_model.h> + #endif diff --git a/include/asm-arm/page.h b/include/asm-arm/page.h index 416320d95419..a404d2bf0c68 100644 --- a/include/asm-arm/page.h +++ b/include/asm-arm/page.h @@ -40,6 +40,7 @@ * v4wb - ARMv4 with writeback cache, without minicache * v4_mc - ARMv4 with minicache * xscale - Xscale + * xsc3 - XScalev3 */ #undef _USER #undef MULTI_USER @@ -84,6 +85,14 @@ # endif #endif +#ifdef CONFIG_CPU_XSC3 +# ifdef _USER +# define MULTI_USER 1 +# else +# define _USER xsc3_mc +# endif +#endif + #ifdef CONFIG_CPU_COPY_V6 # define MULTI_USER 1 #endif diff --git a/include/asm-arm/pgalloc.h b/include/asm-arm/pgalloc.h index bc18ff405181..c4ac2e67768d 100644 --- a/include/asm-arm/pgalloc.h +++ b/include/asm-arm/pgalloc.h @@ -10,10 +10,15 @@ #ifndef _ASMARM_PGALLOC_H #define _ASMARM_PGALLOC_H +#include <asm/domain.h> +#include <asm/pgtable-hwdef.h> #include <asm/processor.h> #include <asm/cacheflush.h> #include <asm/tlbflush.h> +#define _PAGE_USER_TABLE (PMD_TYPE_TABLE | PMD_BIT4 | PMD_DOMAIN(DOMAIN_USER)) +#define _PAGE_KERNEL_TABLE (PMD_TYPE_TABLE | PMD_BIT4 | PMD_DOMAIN(DOMAIN_KERNEL)) + /* * Since we have only two-level page tables, these are trivial */ diff --git a/include/asm-arm/pgtable-hwdef.h b/include/asm-arm/pgtable-hwdef.h new file mode 100644 index 000000000000..1d033495cc75 --- /dev/null +++ b/include/asm-arm/pgtable-hwdef.h @@ -0,0 +1,88 @@ +/* + * linux/include/asm-arm/pgtable-hwdef.h + * + * Copyright (C) 1995-2002 Russell King + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef _ASMARM_PGTABLE_HWDEF_H +#define _ASMARM_PGTABLE_HWDEF_H + +/* + * Hardware page table definitions. + * + * + Level 1 descriptor (PMD) + * - common + */ +#define PMD_TYPE_MASK (3 << 0) +#define PMD_TYPE_FAULT (0 << 0) +#define PMD_TYPE_TABLE (1 << 0) +#define PMD_TYPE_SECT (2 << 0) +#define PMD_BIT4 (1 << 4) +#define PMD_DOMAIN(x) ((x) << 5) +#define PMD_PROTECTION (1 << 9) /* v5 */ +/* + * - section + */ +#define PMD_SECT_BUFFERABLE (1 << 2) +#define PMD_SECT_CACHEABLE (1 << 3) +#define PMD_SECT_AP_WRITE (1 << 10) +#define PMD_SECT_AP_READ (1 << 11) +#define PMD_SECT_TEX(x) ((x) << 12) /* v5 */ +#define PMD_SECT_APX (1 << 15) /* v6 */ +#define PMD_SECT_S (1 << 16) /* v6 */ +#define PMD_SECT_nG (1 << 17) /* v6 */ +#define PMD_SECT_SUPER (1 << 18) /* v6 */ + +#define PMD_SECT_UNCACHED (0) +#define PMD_SECT_BUFFERED (PMD_SECT_BUFFERABLE) +#define PMD_SECT_WT (PMD_SECT_CACHEABLE) +#define PMD_SECT_WB (PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE) +#define PMD_SECT_MINICACHE (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE) +#define PMD_SECT_WBWA (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE) +#define PMD_SECT_NONSHARED_DEV (PMD_SECT_TEX(2)) + +/* + * - coarse table (not used) + */ + +/* + * + Level 2 descriptor (PTE) + * - common + */ +#define PTE_TYPE_MASK (3 << 0) +#define PTE_TYPE_FAULT (0 << 0) +#define PTE_TYPE_LARGE (1 << 0) +#define PTE_TYPE_SMALL (2 << 0) +#define PTE_TYPE_EXT (3 << 0) /* v5 */ +#define PTE_BUFFERABLE (1 << 2) +#define PTE_CACHEABLE (1 << 3) + +/* + * - extended small page/tiny page + */ +#define PTE_EXT_XN (1 << 0) /* v6 */ +#define PTE_EXT_AP_MASK (3 << 4) +#define PTE_EXT_AP0 (1 << 4) +#define PTE_EXT_AP1 (2 << 4) +#define PTE_EXT_AP_UNO_SRO (0 << 4) +#define PTE_EXT_AP_UNO_SRW (PTE_EXT_AP0) +#define PTE_EXT_AP_URO_SRW (PTE_EXT_AP1) +#define PTE_EXT_AP_URW_SRW (PTE_EXT_AP1|PTE_EXT_AP0) +#define PTE_EXT_TEX(x) ((x) << 6) /* v5 */ +#define PTE_EXT_APX (1 << 9) /* v6 */ +#define PTE_EXT_SHARED (1 << 10) /* v6 */ +#define PTE_EXT_NG (1 << 11) /* v6 */ + +/* + * - small page + */ +#define PTE_SMALL_AP_MASK (0xff << 4) +#define PTE_SMALL_AP_UNO_SRO (0x00 << 4) +#define PTE_SMALL_AP_UNO_SRW (0x55 << 4) +#define PTE_SMALL_AP_URO_SRW (0xaa << 4) +#define PTE_SMALL_AP_URW_SRW (0xff << 4) + +#endif diff --git a/include/asm-arm/pgtable.h b/include/asm-arm/pgtable.h index 70e00d08345e..e595ae24efe2 100644 --- a/include/asm-arm/pgtable.h +++ b/include/asm-arm/pgtable.h @@ -137,81 +137,6 @@ extern void __pgd_error(const char *file, int line, unsigned long val); #define SUPERSECTION_MASK (~(SUPERSECTION_SIZE-1)) /* - * Hardware page table definitions. - * - * + Level 1 descriptor (PMD) - * - common - */ -#define PMD_TYPE_MASK (3 << 0) -#define PMD_TYPE_FAULT (0 << 0) -#define PMD_TYPE_TABLE (1 << 0) -#define PMD_TYPE_SECT (2 << 0) -#define PMD_BIT4 (1 << 4) -#define PMD_DOMAIN(x) ((x) << 5) -#define PMD_PROTECTION (1 << 9) /* v5 */ -/* - * - section - */ -#define PMD_SECT_BUFFERABLE (1 << 2) -#define PMD_SECT_CACHEABLE (1 << 3) -#define PMD_SECT_AP_WRITE (1 << 10) -#define PMD_SECT_AP_READ (1 << 11) -#define PMD_SECT_TEX(x) ((x) << 12) /* v5 */ -#define PMD_SECT_APX (1 << 15) /* v6 */ -#define PMD_SECT_S (1 << 16) /* v6 */ -#define PMD_SECT_nG (1 << 17) /* v6 */ -#define PMD_SECT_SUPER (1 << 18) /* v6 */ - -#define PMD_SECT_UNCACHED (0) -#define PMD_SECT_BUFFERED (PMD_SECT_BUFFERABLE) -#define PMD_SECT_WT (PMD_SECT_CACHEABLE) -#define PMD_SECT_WB (PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE) -#define PMD_SECT_MINICACHE (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE) -#define PMD_SECT_WBWA (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE) -#define PMD_SECT_NONSHARED_DEV (PMD_SECT_TEX(2)) - -/* - * - coarse table (not used) - */ - -/* - * + Level 2 descriptor (PTE) - * - common - */ -#define PTE_TYPE_MASK (3 << 0) -#define PTE_TYPE_FAULT (0 << 0) -#define PTE_TYPE_LARGE (1 << 0) -#define PTE_TYPE_SMALL (2 << 0) -#define PTE_TYPE_EXT (3 << 0) /* v5 */ -#define PTE_BUFFERABLE (1 << 2) -#define PTE_CACHEABLE (1 << 3) - -/* - * - extended small page/tiny page - */ -#define PTE_EXT_XN (1 << 0) /* v6 */ -#define PTE_EXT_AP_MASK (3 << 4) -#define PTE_EXT_AP0 (1 << 4) -#define PTE_EXT_AP1 (2 << 4) -#define PTE_EXT_AP_UNO_SRO (0 << 4) -#define PTE_EXT_AP_UNO_SRW (PTE_EXT_AP0) -#define PTE_EXT_AP_URO_SRW (PTE_EXT_AP1) -#define PTE_EXT_AP_URW_SRW (PTE_EXT_AP1|PTE_EXT_AP0) -#define PTE_EXT_TEX(x) ((x) << 6) /* v5 */ -#define PTE_EXT_APX (1 << 9) /* v6 */ -#define PTE_EXT_SHARED (1 << 10) /* v6 */ -#define PTE_EXT_NG (1 << 11) /* v6 */ - -/* - * - small page - */ -#define PTE_SMALL_AP_MASK (0xff << 4) -#define PTE_SMALL_AP_UNO_SRO (0x00 << 4) -#define PTE_SMALL_AP_UNO_SRW (0x55 << 4) -#define PTE_SMALL_AP_URO_SRW (0xaa << 4) -#define PTE_SMALL_AP_URW_SRW (0xff << 4) - -/* * "Linux" PTE definitions. * * We keep two sets of PTEs - the hardware and the linux version. @@ -236,11 +161,6 @@ extern void __pgd_error(const char *file, int line, unsigned long val); #ifndef __ASSEMBLY__ -#include <asm/domain.h> - -#define _PAGE_USER_TABLE (PMD_TYPE_TABLE | PMD_BIT4 | PMD_DOMAIN(DOMAIN_USER)) -#define _PAGE_KERNEL_TABLE (PMD_TYPE_TABLE | PMD_BIT4 | PMD_DOMAIN(DOMAIN_KERNEL)) - /* * The following macros handle the cache and bufferable bits... */ diff --git a/include/asm-arm/poll.h b/include/asm-arm/poll.h index 2744ca831f5d..5030b2b232a3 100644 --- a/include/asm-arm/poll.h +++ b/include/asm-arm/poll.h @@ -16,6 +16,7 @@ #define POLLWRBAND 0x0200 #define POLLMSG 0x0400 #define POLLREMOVE 0x1000 +#define POLLRDHUP 0x2000 struct pollfd { int fd; diff --git a/include/asm-arm/proc-fns.h b/include/asm-arm/proc-fns.h index 7bef2bf6be51..106045edb862 100644 --- a/include/asm-arm/proc-fns.h +++ b/include/asm-arm/proc-fns.h @@ -138,6 +138,14 @@ # define CPU_NAME cpu_xscale # endif # endif +# ifdef CONFIG_CPU_XSC3 +# ifdef CPU_NAME +# undef MULTI_CPU +# define MULTI_CPU +# else +# define CPU_NAME cpu_xsc3 +# endif +# endif # ifdef CONFIG_CPU_V6 # ifdef CPU_NAME # undef MULTI_CPU diff --git a/include/asm-arm/rtc.h b/include/asm-arm/rtc.h index 370dfe77589d..1a5c9232a91e 100644 --- a/include/asm-arm/rtc.h +++ b/include/asm-arm/rtc.h @@ -25,9 +25,6 @@ struct rtc_ops { int (*proc)(char *buf); }; -void rtc_time_to_tm(unsigned long, struct rtc_time *); -int rtc_tm_to_time(struct rtc_time *, unsigned long *); -int rtc_valid_tm(struct rtc_time *); void rtc_next_alarm_time(struct rtc_time *, struct rtc_time *, struct rtc_time *); void rtc_update(unsigned long, unsigned long); int register_rtc(struct rtc_ops *); diff --git a/include/asm-arm/system.h b/include/asm-arm/system.h index ec91d1ff032a..95b3abf4851b 100644 --- a/include/asm-arm/system.h +++ b/include/asm-arm/system.h @@ -108,6 +108,25 @@ extern void __show_regs(struct pt_regs *); extern int cpu_architecture(void); extern void cpu_init(void); +/* + * Intel's XScale3 core supports some v6 features (supersections, L2) + * but advertises itself as v5 as it does not support the v6 ISA. For + * this reason, we need a way to explicitly test for this type of CPU. + */ +#ifndef CONFIG_CPU_XSC3 +#define cpu_is_xsc3() 0 +#else +static inline int cpu_is_xsc3(void) +{ + extern unsigned int processor_id; + + if ((processor_id & 0xffffe000) == 0x69056000) + return 1; + + return 0; +} +#endif + #define set_cr(x) \ __asm__ __volatile__( \ "mcr p15, 0, %0, c1, c0, 0 @ set CR" \ diff --git a/include/asm-arm/tlb.h b/include/asm-arm/tlb.h index f49bfb78c221..cb740025d413 100644 --- a/include/asm-arm/tlb.h +++ b/include/asm-arm/tlb.h @@ -19,6 +19,14 @@ #include <asm/cacheflush.h> #include <asm/tlbflush.h> + +#ifndef CONFIG_MMU + +#include <linux/pagemap.h> +#include <asm-generic/tlb.h> + +#else /* !CONFIG_MMU */ + #include <asm/pgalloc.h> /* @@ -82,4 +90,5 @@ tlb_end_vma(struct mmu_gather *tlb, struct vm_area_struct *vma) #define tlb_migrate_finish(mm) do { } while (0) +#endif /* CONFIG_MMU */ #endif diff --git a/include/asm-arm/tlbflush.h b/include/asm-arm/tlbflush.h index 0c2acc944a0a..728992451dd1 100644 --- a/include/asm-arm/tlbflush.h +++ b/include/asm-arm/tlbflush.h @@ -11,6 +11,13 @@ #define _ASMARM_TLBFLUSH_H #include <linux/config.h> + +#ifndef CONFIG_MMU + +#define tlb_flush(tlb) ((void) tlb) + +#else /* CONFIG_MMU */ + #include <asm/glue.h> #define TLB_V3_PAGE (1 << 0) @@ -423,4 +430,6 @@ extern void update_mmu_cache(struct vm_area_struct *vma, unsigned long addr, pte #endif +#endif /* CONFIG_MMU */ + #endif diff --git a/include/asm-arm26/bitops.h b/include/asm-arm26/bitops.h index d87f8634e625..19a69573a654 100644 --- a/include/asm-arm26/bitops.h +++ b/include/asm-arm26/bitops.h @@ -117,65 +117,7 @@ ____atomic_test_and_change_bit(unsigned int bit, volatile unsigned long *p) return res & mask; } -/* - * Now the non-atomic variants. We let the compiler handle all - * optimisations for these. These are all _native_ endian. - */ -static inline void __set_bit(int nr, volatile unsigned long *p) -{ - p[nr >> 5] |= (1UL << (nr & 31)); -} - -static inline void __clear_bit(int nr, volatile unsigned long *p) -{ - p[nr >> 5] &= ~(1UL << (nr & 31)); -} - -static inline void __change_bit(int nr, volatile unsigned long *p) -{ - p[nr >> 5] ^= (1UL << (nr & 31)); -} - -static inline int __test_and_set_bit(int nr, volatile unsigned long *p) -{ - unsigned long oldval, mask = 1UL << (nr & 31); - - p += nr >> 5; - - oldval = *p; - *p = oldval | mask; - return oldval & mask; -} - -static inline int __test_and_clear_bit(int nr, volatile unsigned long *p) -{ - unsigned long oldval, mask = 1UL << (nr & 31); - - p += nr >> 5; - - oldval = *p; - *p = oldval & ~mask; - return oldval & mask; -} - -static inline int __test_and_change_bit(int nr, volatile unsigned long *p) -{ - unsigned long oldval, mask = 1UL << (nr & 31); - - p += nr >> 5; - - oldval = *p; - *p = oldval ^ mask; - return oldval & mask; -} - -/* - * This routine doesn't need to be atomic. - */ -static inline int __test_bit(int nr, const volatile unsigned long * p) -{ - return (p[nr >> 5] >> (nr & 31)) & 1UL; -} +#include <asm-generic/bitops/non-atomic.h> /* * Little endian assembly bitops. nr = 0 -> byte 0 bit 0. @@ -211,7 +153,6 @@ extern int _find_next_bit_le(const unsigned long *p, int size, int offset); #define test_and_set_bit(nr,p) ATOMIC_BITOP_LE(test_and_set_bit,nr,p) #define test_and_clear_bit(nr,p) ATOMIC_BITOP_LE(test_and_clear_bit,nr,p) #define test_and_change_bit(nr,p) ATOMIC_BITOP_LE(test_and_change_bit,nr,p) -#define test_bit(nr,p) __test_bit(nr,p) #define find_first_zero_bit(p,sz) _find_first_zero_bit_le(p,sz) #define find_next_zero_bit(p,sz,off) _find_next_zero_bit_le(p,sz,off) #define find_first_bit(p,sz) _find_first_bit_le(p,sz) @@ -219,80 +160,13 @@ extern int _find_next_bit_le(const unsigned long *p, int size, int offset); #define WORD_BITOFF_TO_LE(x) ((x)) -/* - * ffz = Find First Zero in word. Undefined if no zero exists, - * so code should check against ~0UL first.. - */ -static inline unsigned long ffz(unsigned long word) -{ - int k; - - word = ~word; - k = 31; - if (word & 0x0000ffff) { k -= 16; word <<= 16; } - if (word & 0x00ff0000) { k -= 8; word <<= 8; } - if (word & 0x0f000000) { k -= 4; word <<= 4; } - if (word & 0x30000000) { k -= 2; word <<= 2; } - if (word & 0x40000000) { k -= 1; } - return k; -} - -/* - * ffz = Find First Zero in word. Undefined if no zero exists, - * so code should check against ~0UL first.. - */ -static inline unsigned long __ffs(unsigned long word) -{ - int k; - - k = 31; - if (word & 0x0000ffff) { k -= 16; word <<= 16; } - if (word & 0x00ff0000) { k -= 8; word <<= 8; } - if (word & 0x0f000000) { k -= 4; word <<= 4; } - if (word & 0x30000000) { k -= 2; word <<= 2; } - if (word & 0x40000000) { k -= 1; } - return k; -} - -/* - * fls: find last bit set. - */ - -#define fls(x) generic_fls(x) -#define fls64(x) generic_fls64(x) - -/* - * ffs: find first bit set. This is defined the same way as - * the libc and compiler builtin ffs routines, therefore - * differs in spirit from the above ffz (man ffs). - */ - -#define ffs(x) generic_ffs(x) - -/* - * Find first bit set in a 168-bit bitmap, where the first - * 128 bits are unlikely to be set. - */ -static inline int sched_find_first_bit(unsigned long *b) -{ - unsigned long v; - unsigned int off; - - for (off = 0; v = b[off], off < 4; off++) { - if (unlikely(v)) - break; - } - return __ffs(v) + off * 32; -} - -/* - * hweightN: returns the hamming weight (i.e. the number - * of bits set) of a N-bit word - */ - -#define hweight32(x) generic_hweight32(x) -#define hweight16(x) generic_hweight16(x) -#define hweight8(x) generic_hweight8(x) +#include <asm-generic/bitops/ffz.h> +#include <asm-generic/bitops/__ffs.h> +#include <asm-generic/bitops/fls.h> +#include <asm-generic/bitops/fls64.h> +#include <asm-generic/bitops/ffs.h> +#include <asm-generic/bitops/sched.h> +#include <asm-generic/bitops/hweight.h> /* * Ext2 is defined to use little-endian byte ordering. @@ -307,7 +181,7 @@ static inline int sched_find_first_bit(unsigned long *b) #define ext2_clear_bit_atomic(lock,nr,p) \ test_and_clear_bit(WORD_BITOFF_TO_LE(nr), (unsigned long *)(p)) #define ext2_test_bit(nr,p) \ - __test_bit(WORD_BITOFF_TO_LE(nr), (unsigned long *)(p)) + test_bit(WORD_BITOFF_TO_LE(nr), (unsigned long *)(p)) #define ext2_find_first_zero_bit(p,sz) \ _find_first_zero_bit_le(p,sz) #define ext2_find_next_zero_bit(p,sz,off) \ @@ -320,7 +194,7 @@ static inline int sched_find_first_bit(unsigned long *b) #define minix_set_bit(nr,p) \ __set_bit(WORD_BITOFF_TO_LE(nr), (unsigned long *)(p)) #define minix_test_bit(nr,p) \ - __test_bit(WORD_BITOFF_TO_LE(nr), (unsigned long *)(p)) + test_bit(WORD_BITOFF_TO_LE(nr), (unsigned long *)(p)) #define minix_test_and_set_bit(nr,p) \ __test_and_set_bit(WORD_BITOFF_TO_LE(nr), (unsigned long *)(p)) #define minix_test_and_clear_bit(nr,p) \ diff --git a/include/asm-arm26/memory.h b/include/asm-arm26/memory.h index 20d78616f650..a65f10b80dfb 100644 --- a/include/asm-arm26/memory.h +++ b/include/asm-arm26/memory.h @@ -81,8 +81,7 @@ static inline void *phys_to_virt(unsigned long x) * virt_to_page(k) convert a _valid_ virtual address to struct page * * virt_addr_valid(k) indicates whether a virtual address is valid */ -#define page_to_pfn(page) (((page) - mem_map) + PHYS_PFN_OFFSET) -#define pfn_to_page(pfn) ((mem_map + (pfn)) - PHYS_PFN_OFFSET) +#define ARCH_PFN_OFFSET (PHYS_PFN_OFFSET) #define pfn_valid(pfn) ((pfn) >= PHYS_PFN_OFFSET && (pfn) < (PHYS_PFN_OFFSET + max_mapnr)) #define virt_to_page(kaddr) (pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)) @@ -98,4 +97,5 @@ static inline void *phys_to_virt(unsigned long x) */ #define page_to_bus(page) (page_address(page)) +#include <asm-generic/memory_model.h> #endif diff --git a/include/asm-arm26/poll.h b/include/asm-arm26/poll.h index fdfdab064a65..9ccb7f4190ca 100644 --- a/include/asm-arm26/poll.h +++ b/include/asm-arm26/poll.h @@ -15,6 +15,7 @@ #define POLLWRNORM 0x0100 #define POLLWRBAND 0x0200 #define POLLMSG 0x0400 +#define POLLRDHUP 0x2000 struct pollfd { int fd; diff --git a/include/asm-cris/bitops.h b/include/asm-cris/bitops.h index b7fef1572dc0..a569065113d9 100644 --- a/include/asm-cris/bitops.h +++ b/include/asm-cris/bitops.h @@ -39,8 +39,6 @@ struct __dummy { unsigned long a[100]; }; #define set_bit(nr, addr) (void)test_and_set_bit(nr, addr) -#define __set_bit(nr, addr) (void)__test_and_set_bit(nr, addr) - /* * clear_bit - Clears a bit in memory * @nr: Bit to clear @@ -54,8 +52,6 @@ struct __dummy { unsigned long a[100]; }; #define clear_bit(nr, addr) (void)test_and_clear_bit(nr, addr) -#define __clear_bit(nr, addr) (void)__test_and_clear_bit(nr, addr) - /* * change_bit - Toggle a bit in memory * @nr: Bit to change @@ -68,18 +64,6 @@ struct __dummy { unsigned long a[100]; }; #define change_bit(nr, addr) (void)test_and_change_bit(nr, addr) -/* - * __change_bit - Toggle a bit in memory - * @nr: the bit to change - * @addr: the address to start counting from - * - * Unlike change_bit(), this function is non-atomic and may be reordered. - * If it's called on the same region of memory simultaneously, the effect - * may be that only one operation succeeds. - */ - -#define __change_bit(nr, addr) (void)__test_and_change_bit(nr, addr) - /** * test_and_set_bit - Set a bit and return its old value * @nr: Bit to set @@ -101,19 +85,6 @@ static inline int test_and_set_bit(int nr, volatile unsigned long *addr) retval = (mask & *adr) != 0; *adr |= mask; cris_atomic_restore(addr, flags); - local_irq_restore(flags); - return retval; -} - -static inline int __test_and_set_bit(int nr, volatile unsigned long *addr) -{ - unsigned int mask, retval; - unsigned int *adr = (unsigned int *)addr; - - adr += nr >> 5; - mask = 1 << (nr & 0x1f); - retval = (mask & *adr) != 0; - *adr |= mask; return retval; } @@ -148,27 +119,6 @@ static inline int test_and_clear_bit(int nr, volatile unsigned long *addr) } /** - * __test_and_clear_bit - Clear a bit and return its old value - * @nr: Bit to clear - * @addr: Address to count from - * - * This operation is non-atomic and can be reordered. - * If two examples of this operation race, one can appear to succeed - * but actually fail. You must protect multiple accesses with a lock. - */ - -static inline int __test_and_clear_bit(int nr, volatile unsigned long *addr) -{ - unsigned int mask, retval; - unsigned int *adr = (unsigned int *)addr; - - adr += nr >> 5; - mask = 1 << (nr & 0x1f); - retval = (mask & *adr) != 0; - *adr &= ~mask; - return retval; -} -/** * test_and_change_bit - Change a bit and return its old value * @nr: Bit to change * @addr: Address to count from @@ -191,42 +141,7 @@ static inline int test_and_change_bit(int nr, volatile unsigned long *addr) return retval; } -/* WARNING: non atomic and it can be reordered! */ - -static inline int __test_and_change_bit(int nr, volatile unsigned long *addr) -{ - unsigned int mask, retval; - unsigned int *adr = (unsigned int *)addr; - - adr += nr >> 5; - mask = 1 << (nr & 0x1f); - retval = (mask & *adr) != 0; - *adr ^= mask; - - return retval; -} - -/** - * test_bit - Determine whether a bit is set - * @nr: bit number to test - * @addr: Address to start counting from - * - * This routine doesn't need to be atomic. - */ - -static inline int test_bit(int nr, const volatile unsigned long *addr) -{ - unsigned int mask; - unsigned int *adr = (unsigned int *)addr; - - adr += nr >> 5; - mask = 1 << (nr & 0x1f); - return ((mask & *adr) != 0); -} - -/* - * Find-bit routines.. - */ +#include <asm-generic/bitops/non-atomic.h> /* * Since we define it "external", it collides with the built-in @@ -235,152 +150,18 @@ static inline int test_bit(int nr, const volatile unsigned long *addr) */ #define ffs kernel_ffs -/* - * fls: find last bit set. - */ - -#define fls(x) generic_fls(x) -#define fls64(x) generic_fls64(x) - -/* - * hweightN - returns the hamming weight of a N-bit word - * @x: the word to weigh - * - * The Hamming Weight of a number is the total number of bits set in it. - */ +#include <asm-generic/bitops/fls.h> +#include <asm-generic/bitops/fls64.h> +#include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/find.h> -#define hweight32(x) generic_hweight32(x) -#define hweight16(x) generic_hweight16(x) -#define hweight8(x) generic_hweight8(x) +#include <asm-generic/bitops/ext2-non-atomic.h> -/** - * find_next_zero_bit - find the first zero bit in a memory region - * @addr: The address to base the search on - * @offset: The bitnumber to start searching at - * @size: The maximum size to search - */ -static inline int find_next_zero_bit (const unsigned long * addr, int size, int offset) -{ - unsigned long *p = ((unsigned long *) addr) + (offset >> 5); - unsigned long result = offset & ~31UL; - unsigned long tmp; - - if (offset >= size) - return size; - size -= result; - offset &= 31UL; - if (offset) { - tmp = *(p++); - tmp |= ~0UL >> (32-offset); - if (size < 32) - goto found_first; - if (~tmp) - goto found_middle; - size -= 32; - result += 32; - } - while (size & ~31UL) { - if (~(tmp = *(p++))) - goto found_middle; - result += 32; - size -= 32; - } - if (!size) - return result; - tmp = *p; - - found_first: - tmp |= ~0UL << size; - found_middle: - return result + ffz(tmp); -} - -/** - * find_next_bit - find the first set bit in a memory region - * @addr: The address to base the search on - * @offset: The bitnumber to start searching at - * @size: The maximum size to search - */ -static __inline__ int find_next_bit(const unsigned long *addr, int size, int offset) -{ - unsigned long *p = ((unsigned long *) addr) + (offset >> 5); - unsigned long result = offset & ~31UL; - unsigned long tmp; - - if (offset >= size) - return size; - size -= result; - offset &= 31UL; - if (offset) { - tmp = *(p++); - tmp &= (~0UL << offset); - if (size < 32) - goto found_first; - if (tmp) - goto found_middle; - size -= 32; - result += 32; - } - while (size & ~31UL) { - if ((tmp = *(p++))) - goto found_middle; - result += 32; - size -= 32; - } - if (!size) - return result; - tmp = *p; - -found_first: - tmp &= (~0UL >> (32 - size)); - if (tmp == 0UL) /* Are any bits set? */ - return result + size; /* Nope. */ -found_middle: - return result + __ffs(tmp); -} - -/** - * find_first_zero_bit - find the first zero bit in a memory region - * @addr: The address to start the search at - * @size: The maximum size to search - * - * Returns the bit-number of the first zero bit, not the number of the byte - * containing a bit. - */ - -#define find_first_zero_bit(addr, size) \ - find_next_zero_bit((addr), (size), 0) -#define find_first_bit(addr, size) \ - find_next_bit((addr), (size), 0) - -#define ext2_set_bit test_and_set_bit #define ext2_set_bit_atomic(l,n,a) test_and_set_bit(n,a) -#define ext2_clear_bit test_and_clear_bit #define ext2_clear_bit_atomic(l,n,a) test_and_clear_bit(n,a) -#define ext2_test_bit test_bit -#define ext2_find_first_zero_bit find_first_zero_bit -#define ext2_find_next_zero_bit find_next_zero_bit - -/* Bitmap functions for the minix filesystem. */ -#define minix_set_bit(nr,addr) test_and_set_bit(nr,addr) -#define minix_clear_bit(nr,addr) test_and_clear_bit(nr,addr) -#define minix_test_bit(nr,addr) test_bit(nr,addr) -#define minix_find_first_zero_bit(addr,size) find_first_zero_bit(addr,size) -static inline int sched_find_first_bit(const unsigned long *b) -{ - if (unlikely(b[0])) - return __ffs(b[0]); - if (unlikely(b[1])) - return __ffs(b[1]) + 32; - if (unlikely(b[2])) - return __ffs(b[2]) + 64; - if (unlikely(b[3])) - return __ffs(b[3]) + 96; - if (b[4]) - return __ffs(b[4]) + 128; - return __ffs(b[5]) + 32 + 128; -} +#include <asm-generic/bitops/minix.h> +#include <asm-generic/bitops/sched.h> #endif /* __KERNEL__ */ diff --git a/include/asm-cris/page.h b/include/asm-cris/page.h index c99c478c482f..3787633e6209 100644 --- a/include/asm-cris/page.h +++ b/include/asm-cris/page.h @@ -43,8 +43,7 @@ typedef struct { unsigned long pgprot; } pgprot_t; /* On CRIS the PFN numbers doesn't start at 0 so we have to compensate */ /* for that before indexing into the page table starting at mem_map */ -#define pfn_to_page(pfn) (mem_map + ((pfn) - (PAGE_OFFSET >> PAGE_SHIFT))) -#define page_to_pfn(page) ((unsigned long)((page) - mem_map) + (PAGE_OFFSET >> PAGE_SHIFT)) +#define ARCH_PFN_OFFSET (PAGE_OFFSET >> PAGE_SHIFT) #define pfn_valid(pfn) (((pfn) - (PAGE_OFFSET >> PAGE_SHIFT)) < max_mapnr) /* to index into the page map. our pages all start at physical addr PAGE_OFFSET so @@ -77,6 +76,7 @@ typedef struct { unsigned long pgprot; } pgprot_t; #endif /* __KERNEL__ */ +#include <asm-generic/memory_model.h> #include <asm-generic/page.h> #endif /* _CRIS_PAGE_H */ diff --git a/include/asm-cris/poll.h b/include/asm-cris/poll.h index 1c0efc3e4be7..1b25d4cf498c 100644 --- a/include/asm-cris/poll.h +++ b/include/asm-cris/poll.h @@ -15,6 +15,7 @@ #define POLLWRBAND 512 #define POLLMSG 1024 #define POLLREMOVE 4096 +#define POLLRDHUP 8192 struct pollfd { int fd; diff --git a/include/asm-frv/bitops.h b/include/asm-frv/bitops.h index f686b519878e..6344d06390b9 100644 --- a/include/asm-frv/bitops.h +++ b/include/asm-frv/bitops.h @@ -22,20 +22,7 @@ #ifdef __KERNEL__ -/* - * ffz = Find First Zero in word. Undefined if no zero exists, - * so code should check against ~0UL first.. - */ -static inline unsigned long ffz(unsigned long word) -{ - unsigned long result = 0; - - while (word & 1) { - result++; - word >>= 1; - } - return result; -} +#include <asm-generic/bitops/ffz.h> /* * clear_bit() doesn't provide any barrier for the compiler. @@ -171,51 +158,9 @@ static inline int __test_bit(int nr, const volatile void * addr) __constant_test_bit((nr),(addr)) : \ __test_bit((nr),(addr))) -extern int find_next_bit(const unsigned long *addr, int size, int offset); - -#define find_first_bit(addr, size) find_next_bit(addr, size, 0) - -#define find_first_zero_bit(addr, size) \ - find_next_zero_bit((addr), (size), 0) - -static inline int find_next_zero_bit(const void *addr, int size, int offset) -{ - const unsigned long *p = ((const unsigned long *) addr) + (offset >> 5); - unsigned long result = offset & ~31UL; - unsigned long tmp; - - if (offset >= size) - return size; - size -= result; - offset &= 31UL; - if (offset) { - tmp = *(p++); - tmp |= ~0UL >> (32-offset); - if (size < 32) - goto found_first; - if (~tmp) - goto found_middle; - size -= 32; - result += 32; - } - while (size & ~31UL) { - if (~(tmp = *(p++))) - goto found_middle; - result += 32; - size -= 32; - } - if (!size) - return result; - tmp = *p; - -found_first: - tmp |= ~0UL << size; -found_middle: - return result + ffz(tmp); -} - -#define ffs(x) generic_ffs(x) -#define __ffs(x) (ffs(x) - 1) +#include <asm-generic/bitops/ffs.h> +#include <asm-generic/bitops/__ffs.h> +#include <asm-generic/bitops/find.h> /* * fls: find last bit set. @@ -228,114 +173,17 @@ found_middle: \ bit ? 33 - bit : bit; \ }) -#define fls64(x) generic_fls64(x) -/* - * Every architecture must define this function. It's the fastest - * way of searching a 140-bit bitmap where the first 100 bits are - * unlikely to be set. It's guaranteed that at least one of the 140 - * bits is cleared. - */ -static inline int sched_find_first_bit(const unsigned long *b) -{ - if (unlikely(b[0])) - return __ffs(b[0]); - if (unlikely(b[1])) - return __ffs(b[1]) + 32; - if (unlikely(b[2])) - return __ffs(b[2]) + 64; - if (b[3]) - return __ffs(b[3]) + 96; - return __ffs(b[4]) + 128; -} +#include <asm-generic/bitops/fls64.h> +#include <asm-generic/bitops/sched.h> +#include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/ext2-non-atomic.h> -/* - * hweightN: returns the hamming weight (i.e. the number - * of bits set) of a N-bit word - */ - -#define hweight32(x) generic_hweight32(x) -#define hweight16(x) generic_hweight16(x) -#define hweight8(x) generic_hweight8(x) - -#define ext2_set_bit(nr, addr) test_and_set_bit ((nr) ^ 0x18, (addr)) -#define ext2_clear_bit(nr, addr) test_and_clear_bit((nr) ^ 0x18, (addr)) - -#define ext2_set_bit_atomic(lock,nr,addr) ext2_set_bit((nr), addr) -#define ext2_clear_bit_atomic(lock,nr,addr) ext2_clear_bit((nr), addr) - -static inline int ext2_test_bit(int nr, const volatile void * addr) -{ - const volatile unsigned char *ADDR = (const unsigned char *) addr; - int mask; - - ADDR += nr >> 3; - mask = 1 << (nr & 0x07); - return ((mask & *ADDR) != 0); -} - -#define ext2_find_first_zero_bit(addr, size) \ - ext2_find_next_zero_bit((addr), (size), 0) - -static inline unsigned long ext2_find_next_zero_bit(const void *addr, - unsigned long size, - unsigned long offset) -{ - const unsigned long *p = ((const unsigned long *) addr) + (offset >> 5); - unsigned long result = offset & ~31UL; - unsigned long tmp; - - if (offset >= size) - return size; - size -= result; - offset &= 31UL; - if(offset) { - /* We hold the little endian value in tmp, but then the - * shift is illegal. So we could keep a big endian value - * in tmp, like this: - * - * tmp = __swab32(*(p++)); - * tmp |= ~0UL >> (32-offset); - * - * but this would decrease preformance, so we change the - * shift: - */ - tmp = *(p++); - tmp |= __swab32(~0UL >> (32-offset)); - if(size < 32) - goto found_first; - if(~tmp) - goto found_middle; - size -= 32; - result += 32; - } - while(size & ~31UL) { - if(~(tmp = *(p++))) - goto found_middle; - result += 32; - size -= 32; - } - if(!size) - return result; - tmp = *p; - -found_first: - /* tmp is little endian, so we would have to swab the shift, - * see above. But then we have to swab tmp below for ffz, so - * we might as well do this here. - */ - return result + ffz(__swab32(tmp) | (~0UL << size)); -found_middle: - return result + ffz(__swab32(tmp)); -} +#define ext2_set_bit_atomic(lock,nr,addr) test_and_set_bit ((nr) ^ 0x18, (addr)) +#define ext2_clear_bit_atomic(lock,nr,addr) test_and_clear_bit((nr) ^ 0x18, (addr)) -/* Bitmap functions for the minix filesystem. */ -#define minix_test_and_set_bit(nr,addr) ext2_set_bit(nr,addr) -#define minix_set_bit(nr,addr) ext2_set_bit(nr,addr) -#define minix_test_and_clear_bit(nr,addr) ext2_clear_bit(nr,addr) -#define minix_test_bit(nr,addr) ext2_test_bit(nr,addr) -#define minix_find_first_zero_bit(addr,size) ext2_find_first_zero_bit(addr,size) +#include <asm-generic/bitops/minix-le.h> #endif /* __KERNEL__ */ diff --git a/include/asm-frv/futex.h b/include/asm-frv/futex.h index fca9d90e32c9..08b3d1da3583 100644 --- a/include/asm-frv/futex.h +++ b/include/asm-frv/futex.h @@ -9,5 +9,11 @@ extern int futex_atomic_op_inuser(int encoded_op, int __user *uaddr); +static inline int +futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval) +{ + return -ENOSYS; +} + #endif #endif diff --git a/include/asm-frv/page.h b/include/asm-frv/page.h index b8221b611b5c..dc0f7e08a4c2 100644 --- a/include/asm-frv/page.h +++ b/include/asm-frv/page.h @@ -57,13 +57,9 @@ extern unsigned long min_low_pfn; extern unsigned long max_pfn; #ifdef CONFIG_MMU -#define pfn_to_page(pfn) (mem_map + (pfn)) -#define page_to_pfn(page) ((unsigned long) ((page) - mem_map)) #define pfn_valid(pfn) ((pfn) < max_mapnr) - #else -#define pfn_to_page(pfn) (&mem_map[(pfn) - (PAGE_OFFSET >> PAGE_SHIFT)]) -#define page_to_pfn(page) ((PAGE_OFFSET >> PAGE_SHIFT) + (unsigned long) ((page) - mem_map)) +#define ARCH_PFN_OFFSET (PAGE_OFFSET >> PAGE_SHIFT) #define pfn_valid(pfn) ((pfn) >= min_low_pfn && (pfn) < max_low_pfn) #endif @@ -87,6 +83,7 @@ extern unsigned long max_pfn; #define WANT_PAGE_VIRTUAL 1 #endif +#include <asm-generic/memory_model.h> #include <asm-generic/page.h> #endif /* _ASM_PAGE_H */ diff --git a/include/asm-frv/poll.h b/include/asm-frv/poll.h index 8cbcd60e334f..c8fe8801d075 100644 --- a/include/asm-frv/poll.h +++ b/include/asm-frv/poll.h @@ -12,6 +12,7 @@ #define POLLRDBAND 128 #define POLLWRBAND 256 #define POLLMSG 0x0400 +#define POLLRDHUP 0x2000 struct pollfd { int fd; diff --git a/include/asm-generic/bitops.h b/include/asm-generic/bitops.h index 0e6d9852008c..1f9d99193df8 100644 --- a/include/asm-generic/bitops.h +++ b/include/asm-generic/bitops.h @@ -5,77 +5,27 @@ * For the benefit of those who are trying to port Linux to another * architecture, here are some C-language equivalents. You should * recode these in the native assembly language, if at all possible. - * To guarantee atomicity, these routines call cli() and sti() to - * disable interrupts while they operate. (You have to provide inline - * routines to cli() and sti().) - * - * Also note, these routines assume that you have 32 bit longs. - * You will have to change this if you are trying to port Linux to the - * Alpha architecture or to a Cray. :-) * * C language equivalents written by Theodore Ts'o, 9/26/92 */ -extern __inline__ int set_bit(int nr,long * addr) -{ - int mask, retval; - - addr += nr >> 5; - mask = 1 << (nr & 0x1f); - cli(); - retval = (mask & *addr) != 0; - *addr |= mask; - sti(); - return retval; -} - -extern __inline__ int clear_bit(int nr, long * addr) -{ - int mask, retval; - - addr += nr >> 5; - mask = 1 << (nr & 0x1f); - cli(); - retval = (mask & *addr) != 0; - *addr &= ~mask; - sti(); - return retval; -} - -extern __inline__ int test_bit(int nr, const unsigned long * addr) -{ - int mask; - - addr += nr >> 5; - mask = 1 << (nr & 0x1f); - return ((mask & *addr) != 0); -} - -/* - * fls: find last bit set. - */ - -#define fls(x) generic_fls(x) -#define fls64(x) generic_fls64(x) +#include <asm-generic/bitops/atomic.h> +#include <asm-generic/bitops/non-atomic.h> +#include <asm-generic/bitops/__ffs.h> +#include <asm-generic/bitops/ffz.h> +#include <asm-generic/bitops/fls.h> +#include <asm-generic/bitops/fls64.h> +#include <asm-generic/bitops/find.h> #ifdef __KERNEL__ -/* - * ffs: find first bit set. This is defined the same way as - * the libc and compiler builtin ffs routines, therefore - * differs in spirit from the above ffz (man ffs). - */ - -#define ffs(x) generic_ffs(x) - -/* - * hweightN: returns the hamming weight (i.e. the number - * of bits set) of a N-bit word - */ +#include <asm-generic/bitops/sched.h> +#include <asm-generic/bitops/ffs.h> +#include <asm-generic/bitops/hweight.h> -#define hweight32(x) generic_hweight32(x) -#define hweight16(x) generic_hweight16(x) -#define hweight8(x) generic_hweight8(x) +#include <asm-generic/bitops/ext2-non-atomic.h> +#include <asm-generic/bitops/ext2-atomic.h> +#include <asm-generic/bitops/minix.h> #endif /* __KERNEL__ */ diff --git a/include/asm-generic/bitops/__ffs.h b/include/asm-generic/bitops/__ffs.h new file mode 100644 index 000000000000..9a3274aecf83 --- /dev/null +++ b/include/asm-generic/bitops/__ffs.h @@ -0,0 +1,43 @@ +#ifndef _ASM_GENERIC_BITOPS___FFS_H_ +#define _ASM_GENERIC_BITOPS___FFS_H_ + +#include <asm/types.h> + +/** + * __ffs - find first bit in word. + * @word: The word to search + * + * Undefined if no bit exists, so code should check against 0 first. + */ +static inline unsigned long __ffs(unsigned long word) +{ + int num = 0; + +#if BITS_PER_LONG == 64 + if ((word & 0xffffffff) == 0) { + num += 32; + word >>= 32; + } +#endif + if ((word & 0xffff) == 0) { + num += 16; + word >>= 16; + } + if ((word & 0xff) == 0) { + num += 8; + word >>= 8; + } + if ((word & 0xf) == 0) { + num += 4; + word >>= 4; + } + if ((word & 0x3) == 0) { + num += 2; + word >>= 2; + } + if ((word & 0x1) == 0) + num += 1; + return num; +} + +#endif /* _ASM_GENERIC_BITOPS___FFS_H_ */ diff --git a/include/asm-generic/bitops/atomic.h b/include/asm-generic/bitops/atomic.h new file mode 100644 index 000000000000..78339319ba02 --- /dev/null +++ b/include/asm-generic/bitops/atomic.h @@ -0,0 +1,191 @@ +#ifndef _ASM_GENERIC_BITOPS_ATOMIC_H_ +#define _ASM_GENERIC_BITOPS_ATOMIC_H_ + +#include <asm/types.h> + +#define BITOP_MASK(nr) (1UL << ((nr) % BITS_PER_LONG)) +#define BITOP_WORD(nr) ((nr) / BITS_PER_LONG) + +#ifdef CONFIG_SMP +#include <asm/spinlock.h> +#include <asm/cache.h> /* we use L1_CACHE_BYTES */ + +/* Use an array of spinlocks for our atomic_ts. + * Hash function to index into a different SPINLOCK. + * Since "a" is usually an address, use one spinlock per cacheline. + */ +# define ATOMIC_HASH_SIZE 4 +# define ATOMIC_HASH(a) (&(__atomic_hash[ (((unsigned long) a)/L1_CACHE_BYTES) & (ATOMIC_HASH_SIZE-1) ])) + +extern raw_spinlock_t __atomic_hash[ATOMIC_HASH_SIZE] __lock_aligned; + +/* Can't use raw_spin_lock_irq because of #include problems, so + * this is the substitute */ +#define _atomic_spin_lock_irqsave(l,f) do { \ + raw_spinlock_t *s = ATOMIC_HASH(l); \ + local_irq_save(f); \ + __raw_spin_lock(s); \ +} while(0) + +#define _atomic_spin_unlock_irqrestore(l,f) do { \ + raw_spinlock_t *s = ATOMIC_HASH(l); \ + __raw_spin_unlock(s); \ + local_irq_restore(f); \ +} while(0) + + +#else +# define _atomic_spin_lock_irqsave(l,f) do { local_irq_save(f); } while (0) +# define _atomic_spin_unlock_irqrestore(l,f) do { local_irq_restore(f); } while (0) +#endif + +/* + * NMI events can occur at any time, including when interrupts have been + * disabled by *_irqsave(). So you can get NMI events occurring while a + * *_bit function is holding a spin lock. If the NMI handler also wants + * to do bit manipulation (and they do) then you can get a deadlock + * between the original caller of *_bit() and the NMI handler. + * + * by Keith Owens + */ + +/** + * set_bit - Atomically set a bit in memory + * @nr: the bit to set + * @addr: the address to start counting from + * + * This function is atomic and may not be reordered. See __set_bit() + * if you do not require the atomic guarantees. + * + * Note: there are no guarantees that this function will not be reordered + * on non x86 architectures, so if you are writting portable code, + * make sure not to rely on its reordering guarantees. + * + * Note that @nr may be almost arbitrarily large; this function is not + * restricted to acting on a single-word quantity. + */ +static inline void set_bit(int nr, volatile unsigned long *addr) +{ + unsigned long mask = BITOP_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); + unsigned long flags; + + _atomic_spin_lock_irqsave(p, flags); + *p |= mask; + _atomic_spin_unlock_irqrestore(p, flags); +} + +/** + * clear_bit - Clears a bit in memory + * @nr: Bit to clear + * @addr: Address to start counting from + * + * clear_bit() is atomic and may not be reordered. However, it does + * not contain a memory barrier, so if it is used for locking purposes, + * you should call smp_mb__before_clear_bit() and/or smp_mb__after_clear_bit() + * in order to ensure changes are visible on other processors. + */ +static inline void clear_bit(int nr, volatile unsigned long *addr) +{ + unsigned long mask = BITOP_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); + unsigned long flags; + + _atomic_spin_lock_irqsave(p, flags); + *p &= ~mask; + _atomic_spin_unlock_irqrestore(p, flags); +} + +/** + * change_bit - Toggle a bit in memory + * @nr: Bit to change + * @addr: Address to start counting from + * + * change_bit() is atomic and may not be reordered. It may be + * reordered on other architectures than x86. + * Note that @nr may be almost arbitrarily large; this function is not + * restricted to acting on a single-word quantity. + */ +static inline void change_bit(int nr, volatile unsigned long *addr) +{ + unsigned long mask = BITOP_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); + unsigned long flags; + + _atomic_spin_lock_irqsave(p, flags); + *p ^= mask; + _atomic_spin_unlock_irqrestore(p, flags); +} + +/** + * test_and_set_bit - Set a bit and return its old value + * @nr: Bit to set + * @addr: Address to count from + * + * This operation is atomic and cannot be reordered. + * It may be reordered on other architectures than x86. + * It also implies a memory barrier. + */ +static inline int test_and_set_bit(int nr, volatile unsigned long *addr) +{ + unsigned long mask = BITOP_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); + unsigned long old; + unsigned long flags; + + _atomic_spin_lock_irqsave(p, flags); + old = *p; + *p = old | mask; + _atomic_spin_unlock_irqrestore(p, flags); + + return (old & mask) != 0; +} + +/** + * test_and_clear_bit - Clear a bit and return its old value + * @nr: Bit to clear + * @addr: Address to count from + * + * This operation is atomic and cannot be reordered. + * It can be reorderdered on other architectures other than x86. + * It also implies a memory barrier. + */ +static inline int test_and_clear_bit(int nr, volatile unsigned long *addr) +{ + unsigned long mask = BITOP_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); + unsigned long old; + unsigned long flags; + + _atomic_spin_lock_irqsave(p, flags); + old = *p; + *p = old & ~mask; + _atomic_spin_unlock_irqrestore(p, flags); + + return (old & mask) != 0; +} + +/** + * test_and_change_bit - Change a bit and return its old value + * @nr: Bit to change + * @addr: Address to count from + * + * This operation is atomic and cannot be reordered. + * It also implies a memory barrier. + */ +static inline int test_and_change_bit(int nr, volatile unsigned long *addr) +{ + unsigned long mask = BITOP_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); + unsigned long old; + unsigned long flags; + + _atomic_spin_lock_irqsave(p, flags); + old = *p; + *p = old ^ mask; + _atomic_spin_unlock_irqrestore(p, flags); + + return (old & mask) != 0; +} + +#endif /* _ASM_GENERIC_BITOPS_ATOMIC_H */ diff --git a/include/asm-generic/bitops/ext2-atomic.h b/include/asm-generic/bitops/ext2-atomic.h new file mode 100644 index 000000000000..ab1c875efb74 --- /dev/null +++ b/include/asm-generic/bitops/ext2-atomic.h @@ -0,0 +1,22 @@ +#ifndef _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_ +#define _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_ + +#define ext2_set_bit_atomic(lock, nr, addr) \ + ({ \ + int ret; \ + spin_lock(lock); \ + ret = ext2_set_bit((nr), (unsigned long *)(addr)); \ + spin_unlock(lock); \ + ret; \ + }) + +#define ext2_clear_bit_atomic(lock, nr, addr) \ + ({ \ + int ret; \ + spin_lock(lock); \ + ret = ext2_clear_bit((nr), (unsigned long *)(addr)); \ + spin_unlock(lock); \ + ret; \ + }) + +#endif /* _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_ */ diff --git a/include/asm-generic/bitops/ext2-non-atomic.h b/include/asm-generic/bitops/ext2-non-atomic.h new file mode 100644 index 000000000000..1697404afa05 --- /dev/null +++ b/include/asm-generic/bitops/ext2-non-atomic.h @@ -0,0 +1,18 @@ +#ifndef _ASM_GENERIC_BITOPS_EXT2_NON_ATOMIC_H_ +#define _ASM_GENERIC_BITOPS_EXT2_NON_ATOMIC_H_ + +#include <asm-generic/bitops/le.h> + +#define ext2_set_bit(nr,addr) \ + generic___test_and_set_le_bit((nr),(unsigned long *)(addr)) +#define ext2_clear_bit(nr,addr) \ + generic___test_and_clear_le_bit((nr),(unsigned long *)(addr)) + +#define ext2_test_bit(nr,addr) \ + generic_test_le_bit((nr),(unsigned long *)(addr)) +#define ext2_find_first_zero_bit(addr, size) \ + generic_find_first_zero_le_bit((unsigned long *)(addr), (size)) +#define ext2_find_next_zero_bit(addr, size, off) \ + generic_find_next_zero_le_bit((unsigned long *)(addr), (size), (off)) + +#endif /* _ASM_GENERIC_BITOPS_EXT2_NON_ATOMIC_H_ */ diff --git a/include/asm-generic/bitops/ffs.h b/include/asm-generic/bitops/ffs.h new file mode 100644 index 000000000000..fbbb43af7dc0 --- /dev/null +++ b/include/asm-generic/bitops/ffs.h @@ -0,0 +1,41 @@ +#ifndef _ASM_GENERIC_BITOPS_FFS_H_ +#define _ASM_GENERIC_BITOPS_FFS_H_ + +/** + * ffs - find first bit set + * @x: the word to search + * + * This is defined the same way as + * the libc and compiler builtin ffs routines, therefore + * differs in spirit from the above ffz (man ffs). + */ +static inline int ffs(int x) +{ + int r = 1; + + if (!x) + return 0; + if (!(x & 0xffff)) { + x >>= 16; + r += 16; + } + if (!(x & 0xff)) { + x >>= 8; + r += 8; + } + if (!(x & 0xf)) { + x >>= 4; + r += 4; + } + if (!(x & 3)) { + x >>= 2; + r += 2; + } + if (!(x & 1)) { + x >>= 1; + r += 1; + } + return r; +} + +#endif /* _ASM_GENERIC_BITOPS_FFS_H_ */ diff --git a/include/asm-generic/bitops/ffz.h b/include/asm-generic/bitops/ffz.h new file mode 100644 index 000000000000..6744bd4cdf46 --- /dev/null +++ b/include/asm-generic/bitops/ffz.h @@ -0,0 +1,12 @@ +#ifndef _ASM_GENERIC_BITOPS_FFZ_H_ +#define _ASM_GENERIC_BITOPS_FFZ_H_ + +/* + * ffz - find first zero in word. + * @word: The word to search + * + * Undefined if no zero exists, so code should check against ~0UL first. + */ +#define ffz(x) __ffs(~(x)) + +#endif /* _ASM_GENERIC_BITOPS_FFZ_H_ */ diff --git a/include/asm-generic/bitops/find.h b/include/asm-generic/bitops/find.h new file mode 100644 index 000000000000..72a51e5a12ef --- /dev/null +++ b/include/asm-generic/bitops/find.h @@ -0,0 +1,13 @@ +#ifndef _ASM_GENERIC_BITOPS_FIND_H_ +#define _ASM_GENERIC_BITOPS_FIND_H_ + +extern unsigned long find_next_bit(const unsigned long *addr, unsigned long + size, unsigned long offset); + +extern unsigned long find_next_zero_bit(const unsigned long *addr, unsigned + long size, unsigned long offset); + +#define find_first_bit(addr, size) find_next_bit((addr), (size), 0) +#define find_first_zero_bit(addr, size) find_next_zero_bit((addr), (size), 0) + +#endif /*_ASM_GENERIC_BITOPS_FIND_H_ */ diff --git a/include/asm-generic/bitops/fls.h b/include/asm-generic/bitops/fls.h new file mode 100644 index 000000000000..850859bc5069 --- /dev/null +++ b/include/asm-generic/bitops/fls.h @@ -0,0 +1,41 @@ +#ifndef _ASM_GENERIC_BITOPS_FLS_H_ +#define _ASM_GENERIC_BITOPS_FLS_H_ + +/** + * fls - find last (most-significant) bit set + * @x: the word to search + * + * This is defined the same way as ffs. + * Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32. + */ + +static inline int fls(int x) +{ + int r = 32; + + if (!x) + return 0; + if (!(x & 0xffff0000u)) { + x <<= 16; + r -= 16; + } + if (!(x & 0xff000000u)) { + x <<= 8; + r -= 8; + } + if (!(x & 0xf0000000u)) { + x <<= 4; + r -= 4; + } + if (!(x & 0xc0000000u)) { + x <<= 2; + r -= 2; + } + if (!(x & 0x80000000u)) { + x <<= 1; + r -= 1; + } + return r; +} + +#endif /* _ASM_GENERIC_BITOPS_FLS_H_ */ diff --git a/include/asm-generic/bitops/fls64.h b/include/asm-generic/bitops/fls64.h new file mode 100644 index 000000000000..1b6b17ce2428 --- /dev/null +++ b/include/asm-generic/bitops/fls64.h @@ -0,0 +1,14 @@ +#ifndef _ASM_GENERIC_BITOPS_FLS64_H_ +#define _ASM_GENERIC_BITOPS_FLS64_H_ + +#include <asm/types.h> + +static inline int fls64(__u64 x) +{ + __u32 h = x >> 32; + if (h) + return fls(h) + 32; + return fls(x); +} + +#endif /* _ASM_GENERIC_BITOPS_FLS64_H_ */ diff --git a/include/asm-generic/bitops/hweight.h b/include/asm-generic/bitops/hweight.h new file mode 100644 index 000000000000..fbbc383771da --- /dev/null +++ b/include/asm-generic/bitops/hweight.h @@ -0,0 +1,11 @@ +#ifndef _ASM_GENERIC_BITOPS_HWEIGHT_H_ +#define _ASM_GENERIC_BITOPS_HWEIGHT_H_ + +#include <asm/types.h> + +extern unsigned int hweight32(unsigned int w); +extern unsigned int hweight16(unsigned int w); +extern unsigned int hweight8(unsigned int w); +extern unsigned long hweight64(__u64 w); + +#endif /* _ASM_GENERIC_BITOPS_HWEIGHT_H_ */ diff --git a/include/asm-generic/bitops/le.h b/include/asm-generic/bitops/le.h new file mode 100644 index 000000000000..b9c7e5d2d2ad --- /dev/null +++ b/include/asm-generic/bitops/le.h @@ -0,0 +1,53 @@ +#ifndef _ASM_GENERIC_BITOPS_LE_H_ +#define _ASM_GENERIC_BITOPS_LE_H_ + +#include <asm/types.h> +#include <asm/byteorder.h> + +#define BITOP_WORD(nr) ((nr) / BITS_PER_LONG) +#define BITOP_LE_SWIZZLE ((BITS_PER_LONG-1) & ~0x7) + +#if defined(__LITTLE_ENDIAN) + +#define generic_test_le_bit(nr, addr) test_bit(nr, addr) +#define generic___set_le_bit(nr, addr) __set_bit(nr, addr) +#define generic___clear_le_bit(nr, addr) __clear_bit(nr, addr) + +#define generic_test_and_set_le_bit(nr, addr) test_and_set_bit(nr, addr) +#define generic_test_and_clear_le_bit(nr, addr) test_and_clear_bit(nr, addr) + +#define generic___test_and_set_le_bit(nr, addr) __test_and_set_bit(nr, addr) +#define generic___test_and_clear_le_bit(nr, addr) __test_and_clear_bit(nr, addr) + +#define generic_find_next_zero_le_bit(addr, size, offset) find_next_zero_bit(addr, size, offset) + +#elif defined(__BIG_ENDIAN) + +#define generic_test_le_bit(nr, addr) \ + test_bit((nr) ^ BITOP_LE_SWIZZLE, (addr)) +#define generic___set_le_bit(nr, addr) \ + __set_bit((nr) ^ BITOP_LE_SWIZZLE, (addr)) +#define generic___clear_le_bit(nr, addr) \ + __clear_bit((nr) ^ BITOP_LE_SWIZZLE, (addr)) + +#define generic_test_and_set_le_bit(nr, addr) \ + test_and_set_bit((nr) ^ BITOP_LE_SWIZZLE, (addr)) +#define generic_test_and_clear_le_bit(nr, addr) \ + test_and_clear_bit((nr) ^ BITOP_LE_SWIZZLE, (addr)) + +#define generic___test_and_set_le_bit(nr, addr) \ + __test_and_set_bit((nr) ^ BITOP_LE_SWIZZLE, (addr)) +#define generic___test_and_clear_le_bit(nr, addr) \ + __test_and_clear_bit((nr) ^ BITOP_LE_SWIZZLE, (addr)) + +extern unsigned long generic_find_next_zero_le_bit(const unsigned long *addr, + unsigned long size, unsigned long offset); + +#else +#error "Please fix <asm/byteorder.h>" +#endif + +#define generic_find_first_zero_le_bit(addr, size) \ + generic_find_next_zero_le_bit((addr), (size), 0) + +#endif /* _ASM_GENERIC_BITOPS_LE_H_ */ diff --git a/include/asm-generic/bitops/minix-le.h b/include/asm-generic/bitops/minix-le.h new file mode 100644 index 000000000000..4a981c1bb1ae --- /dev/null +++ b/include/asm-generic/bitops/minix-le.h @@ -0,0 +1,17 @@ +#ifndef _ASM_GENERIC_BITOPS_MINIX_LE_H_ +#define _ASM_GENERIC_BITOPS_MINIX_LE_H_ + +#include <asm-generic/bitops/le.h> + +#define minix_test_and_set_bit(nr,addr) \ + generic___test_and_set_le_bit((nr),(unsigned long *)(addr)) +#define minix_set_bit(nr,addr) \ + generic___set_le_bit((nr),(unsigned long *)(addr)) +#define minix_test_and_clear_bit(nr,addr) \ + generic___test_and_clear_le_bit((nr),(unsigned long *)(addr)) +#define minix_test_bit(nr,addr) \ + generic_test_le_bit((nr),(unsigned long *)(addr)) +#define minix_find_first_zero_bit(addr,size) \ + generic_find_first_zero_le_bit((unsigned long *)(addr),(size)) + +#endif /* _ASM_GENERIC_BITOPS_MINIX_LE_H_ */ diff --git a/include/asm-generic/bitops/minix.h b/include/asm-generic/bitops/minix.h new file mode 100644 index 000000000000..91f42e87aa51 --- /dev/null +++ b/include/asm-generic/bitops/minix.h @@ -0,0 +1,15 @@ +#ifndef _ASM_GENERIC_BITOPS_MINIX_H_ +#define _ASM_GENERIC_BITOPS_MINIX_H_ + +#define minix_test_and_set_bit(nr,addr) \ + __test_and_set_bit((nr),(unsigned long *)(addr)) +#define minix_set_bit(nr,addr) \ + __set_bit((nr),(unsigned long *)(addr)) +#define minix_test_and_clear_bit(nr,addr) \ + __test_and_clear_bit((nr),(unsigned long *)(addr)) +#define minix_test_bit(nr,addr) \ + test_bit((nr),(unsigned long *)(addr)) +#define minix_find_first_zero_bit(addr,size) \ + find_first_zero_bit((unsigned long *)(addr),(size)) + +#endif /* _ASM_GENERIC_BITOPS_MINIX_H_ */ diff --git a/include/asm-generic/bitops/non-atomic.h b/include/asm-generic/bitops/non-atomic.h new file mode 100644 index 000000000000..46a825cf2ae1 --- /dev/null +++ b/include/asm-generic/bitops/non-atomic.h @@ -0,0 +1,111 @@ +#ifndef _ASM_GENERIC_BITOPS_NON_ATOMIC_H_ +#define _ASM_GENERIC_BITOPS_NON_ATOMIC_H_ + +#include <asm/types.h> + +#define BITOP_MASK(nr) (1UL << ((nr) % BITS_PER_LONG)) +#define BITOP_WORD(nr) ((nr) / BITS_PER_LONG) + +/** + * __set_bit - Set a bit in memory + * @nr: the bit to set + * @addr: the address to start counting from + * + * Unlike set_bit(), this function is non-atomic and may be reordered. + * If it's called on the same region of memory simultaneously, the effect + * may be that only one operation succeeds. + */ +static inline void __set_bit(int nr, volatile unsigned long *addr) +{ + unsigned long mask = BITOP_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); + + *p |= mask; +} + +static inline void __clear_bit(int nr, volatile unsigned long *addr) +{ + unsigned long mask = BITOP_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); + + *p &= ~mask; +} + +/** + * __change_bit - Toggle a bit in memory + * @nr: the bit to change + * @addr: the address to start counting from + * + * Unlike change_bit(), this function is non-atomic and may be reordered. + * If it's called on the same region of memory simultaneously, the effect + * may be that only one operation succeeds. + */ +static inline void __change_bit(int nr, volatile unsigned long *addr) +{ + unsigned long mask = BITOP_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); + + *p ^= mask; +} + +/** + * __test_and_set_bit - Set a bit and return its old value + * @nr: Bit to set + * @addr: Address to count from + * + * This operation is non-atomic and can be reordered. + * If two examples of this operation race, one can appear to succeed + * but actually fail. You must protect multiple accesses with a lock. + */ +static inline int __test_and_set_bit(int nr, volatile unsigned long *addr) +{ + unsigned long mask = BITOP_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); + unsigned long old = *p; + + *p = old | mask; + return (old & mask) != 0; +} + +/** + * __test_and_clear_bit - Clear a bit and return its old value + * @nr: Bit to clear + * @addr: Address to count from + * + * This operation is non-atomic and can be reordered. + * If two examples of this operation race, one can appear to succeed + * but actually fail. You must protect multiple accesses with a lock. + */ +static inline int __test_and_clear_bit(int nr, volatile unsigned long *addr) +{ + unsigned long mask = BITOP_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); + unsigned long old = *p; + + *p = old & ~mask; + return (old & mask) != 0; +} + +/* WARNING: non atomic and it can be reordered! */ +static inline int __test_and_change_bit(int nr, + volatile unsigned long *addr) +{ + unsigned long mask = BITOP_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); + unsigned long old = *p; + + *p = old ^ mask; + return (old & mask) != 0; +} + +/** + * test_bit - Determine whether a bit is set + * @nr: bit number to test + * @addr: Address to start counting from + */ +static inline int test_bit(int nr, const volatile unsigned long *addr) +{ + return 1UL & (addr[BITOP_WORD(nr)] >> (nr & (BITS_PER_LONG-1))); +} + +#endif /* _ASM_GENERIC_BITOPS_NON_ATOMIC_H_ */ diff --git a/include/asm-generic/bitops/sched.h b/include/asm-generic/bitops/sched.h new file mode 100644 index 000000000000..5ef93a4d009f --- /dev/null +++ b/include/asm-generic/bitops/sched.h @@ -0,0 +1,36 @@ +#ifndef _ASM_GENERIC_BITOPS_SCHED_H_ +#define _ASM_GENERIC_BITOPS_SCHED_H_ + +#include <linux/compiler.h> /* unlikely() */ +#include <asm/types.h> + +/* + * Every architecture must define this function. It's the fastest + * way of searching a 140-bit bitmap where the first 100 bits are + * unlikely to be set. It's guaranteed that at least one of the 140 + * bits is cleared. + */ +static inline int sched_find_first_bit(const unsigned long *b) +{ +#if BITS_PER_LONG == 64 + if (unlikely(b[0])) + return __ffs(b[0]); + if (unlikely(b[1])) + return __ffs(b[1]) + 64; + return __ffs(b[2]) + 128; +#elif BITS_PER_LONG == 32 + if (unlikely(b[0])) + return __ffs(b[0]); + if (unlikely(b[1])) + return __ffs(b[1]) + 32; + if (unlikely(b[2])) + return __ffs(b[2]) + 64; + if (b[3]) + return __ffs(b[3]) + 96; + return __ffs(b[4]) + 128; +#else +#error BITS_PER_LONG not defined +#endif +} + +#endif /* _ASM_GENERIC_BITOPS_SCHED_H_ */ diff --git a/include/asm-generic/futex.h b/include/asm-generic/futex.h index 3ae2c7347549..df893c160318 100644 --- a/include/asm-generic/futex.h +++ b/include/asm-generic/futex.h @@ -49,5 +49,11 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr) return ret; } +static inline int +futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval) +{ + return -ENOSYS; +} + #endif #endif diff --git a/include/asm-generic/local.h b/include/asm-generic/local.h index 16fc00360f75..de4614840c2c 100644 --- a/include/asm-generic/local.h +++ b/include/asm-generic/local.h @@ -4,28 +4,28 @@ #include <linux/config.h> #include <linux/percpu.h> #include <linux/hardirq.h> +#include <asm/atomic.h> #include <asm/types.h> /* An unsigned long type for operations which are atomic for a single * CPU. Usually used in combination with per-cpu variables. */ -#if BITS_PER_LONG == 32 /* Implement in terms of atomics. */ /* Don't use typedef: don't want them to be mixed with atomic_t's. */ typedef struct { - atomic_t a; + atomic_long_t a; } local_t; -#define LOCAL_INIT(i) { ATOMIC_INIT(i) } +#define LOCAL_INIT(i) { ATOMIC_LONG_INIT(i) } -#define local_read(l) ((unsigned long)atomic_read(&(l)->a)) -#define local_set(l,i) atomic_set((&(l)->a),(i)) -#define local_inc(l) atomic_inc(&(l)->a) -#define local_dec(l) atomic_dec(&(l)->a) -#define local_add(i,l) atomic_add((i),(&(l)->a)) -#define local_sub(i,l) atomic_sub((i),(&(l)->a)) +#define local_read(l) ((unsigned long)atomic_long_read(&(l)->a)) +#define local_set(l,i) atomic_long_set((&(l)->a),(i)) +#define local_inc(l) atomic_long_inc(&(l)->a) +#define local_dec(l) atomic_long_dec(&(l)->a) +#define local_add(i,l) atomic_long_add((i),(&(l)->a)) +#define local_sub(i,l) atomic_long_sub((i),(&(l)->a)) /* Non-atomic variants, ie. preemption disabled and won't be touched * in interrupt, etc. Some archs can optimize this case well. */ @@ -34,68 +34,6 @@ typedef struct #define __local_add(i,l) local_set((l), local_read(l) + (i)) #define __local_sub(i,l) local_set((l), local_read(l) - (i)) -#else /* ... can't use atomics. */ -/* Implement in terms of three variables. - Another option would be to use local_irq_save/restore. */ - -typedef struct -{ - /* 0 = in hardirq, 1 = in softirq, 2 = usermode. */ - unsigned long v[3]; -} local_t; - -#define _LOCAL_VAR(l) ((l)->v[!in_interrupt() + !in_irq()]) - -#define LOCAL_INIT(i) { { (i), 0, 0 } } - -static inline unsigned long local_read(local_t *l) -{ - return l->v[0] + l->v[1] + l->v[2]; -} - -static inline void local_set(local_t *l, unsigned long v) -{ - l->v[0] = v; - l->v[1] = l->v[2] = 0; -} - -static inline void local_inc(local_t *l) -{ - preempt_disable(); - _LOCAL_VAR(l)++; - preempt_enable(); -} - -static inline void local_dec(local_t *l) -{ - preempt_disable(); - _LOCAL_VAR(l)--; - preempt_enable(); -} - -static inline void local_add(unsigned long v, local_t *l) -{ - preempt_disable(); - _LOCAL_VAR(l) += v; - preempt_enable(); -} - -static inline void local_sub(unsigned long v, local_t *l) -{ - preempt_disable(); - _LOCAL_VAR(l) -= v; - preempt_enable(); -} - -/* Non-atomic variants, ie. preemption disabled and won't be touched - * in interrupt, etc. Some archs can optimize this case well. */ -#define __local_inc(l) ((l)->v[0]++) -#define __local_dec(l) ((l)->v[0]--) -#define __local_add(i,l) ((l)->v[0] += (i)) -#define __local_sub(i,l) ((l)->v[0] -= (i)) - -#endif /* Non-atomic implementation */ - /* Use these for per-cpu local_t variables: on some archs they are * much more efficient than these naive implementations. Note they take * a variable (eg. mystruct.foo), not an address. diff --git a/include/asm-generic/memory_model.h b/include/asm-generic/memory_model.h new file mode 100644 index 000000000000..0cfb086dd373 --- /dev/null +++ b/include/asm-generic/memory_model.h @@ -0,0 +1,77 @@ +#ifndef __ASM_MEMORY_MODEL_H +#define __ASM_MEMORY_MODEL_H + +#ifdef __KERNEL__ +#ifndef __ASSEMBLY__ + +#if defined(CONFIG_FLATMEM) + +#ifndef ARCH_PFN_OFFSET +#define ARCH_PFN_OFFSET (0UL) +#endif + +#elif defined(CONFIG_DISCONTIGMEM) + +#ifndef arch_pfn_to_nid +#define arch_pfn_to_nid(pfn) pfn_to_nid(pfn) +#endif + +#ifndef arch_local_page_offset +#define arch_local_page_offset(pfn, nid) \ + ((pfn) - NODE_DATA(nid)->node_start_pfn) +#endif + +#endif /* CONFIG_DISCONTIGMEM */ + +#ifdef CONFIG_OUT_OF_LINE_PFN_TO_PAGE +struct page; +/* this is useful when inlined pfn_to_page is too big */ +extern struct page *pfn_to_page(unsigned long pfn); +extern unsigned long page_to_pfn(struct page *page); +#else +/* + * supports 3 memory models. + */ +#if defined(CONFIG_FLATMEM) + +#define pfn_to_page(pfn) (mem_map + ((pfn) - ARCH_PFN_OFFSET)) +#define page_to_pfn(page) ((unsigned long)((page) - mem_map) + \ + ARCH_PFN_OFFSET) +#elif defined(CONFIG_DISCONTIGMEM) + +#define pfn_to_page(pfn) \ +({ unsigned long __pfn = (pfn); \ + unsigned long __nid = arch_pfn_to_nid(pfn); \ + NODE_DATA(__nid)->node_mem_map + arch_local_page_offset(__pfn, __nid);\ +}) + +#define page_to_pfn(pg) \ +({ struct page *__pg = (pg); \ + struct pglist_data *__pgdat = NODE_DATA(page_to_nid(__pg)); \ + (unsigned long)(__pg - __pgdat->node_mem_map) + \ + __pgdat->node_start_pfn; \ +}) + +#elif defined(CONFIG_SPARSEMEM) +/* + * Note: section's mem_map is encorded to reflect its start_pfn. + * section[i].section_mem_map == mem_map's address - start_pfn; + */ +#define page_to_pfn(pg) \ +({ struct page *__pg = (pg); \ + int __sec = page_to_section(__pg); \ + __pg - __section_mem_map_addr(__nr_to_section(__sec)); \ +}) + +#define pfn_to_page(pfn) \ +({ unsigned long __pfn = (pfn); \ + struct mem_section *__sec = __pfn_to_section(__pfn); \ + __section_mem_map_addr(__sec) + __pfn; \ +}) +#endif /* CONFIG_FLATMEM/DISCONTIGMEM/SPARSEMEM */ +#endif /* CONFIG_OUT_OF_LINE_PFN_TO_PAGE */ + +#endif /* __ASSEMBLY__ */ +#endif /* __KERNEL__ */ + +#endif diff --git a/include/asm-generic/percpu.h b/include/asm-generic/percpu.h index 78cf45547e31..c0caf433a7d7 100644 --- a/include/asm-generic/percpu.h +++ b/include/asm-generic/percpu.h @@ -19,7 +19,7 @@ extern unsigned long __per_cpu_offset[NR_CPUS]; #define percpu_modcopy(pcpudst, src, size) \ do { \ unsigned int __i; \ - for_each_cpu(__i) \ + for_each_possible_cpu(__i) \ memcpy((pcpudst)+__per_cpu_offset[__i], \ (src), (size)); \ } while (0) diff --git a/include/asm-h8300/bitops.h b/include/asm-h8300/bitops.h index ff7c2b721594..574f57b6c4d1 100644 --- a/include/asm-h8300/bitops.h +++ b/include/asm-h8300/bitops.h @@ -8,7 +8,6 @@ #include <linux/config.h> #include <linux/compiler.h> -#include <asm/byteorder.h> /* swab32 */ #include <asm/system.h> #ifdef __KERNEL__ @@ -177,10 +176,7 @@ H8300_GEN_TEST_BITOP(test_and_change_bit,"bnot") #undef H8300_GEN_TEST_BITOP_CONST_INT #undef H8300_GEN_TEST_BITOP -#define find_first_zero_bit(addr, size) \ - find_next_zero_bit((addr), (size), 0) - -#define ffs(x) generic_ffs(x) +#include <asm-generic/bitops/ffs.h> static __inline__ unsigned long __ffs(unsigned long word) { @@ -196,216 +192,16 @@ static __inline__ unsigned long __ffs(unsigned long word) return result; } -static __inline__ int find_next_zero_bit (const unsigned long * addr, int size, int offset) -{ - unsigned long *p = (unsigned long *)(((unsigned long)addr + (offset >> 3)) & ~3); - unsigned long result = offset & ~31UL; - unsigned long tmp; - - if (offset >= size) - return size; - size -= result; - offset &= 31UL; - if (offset) { - tmp = *(p++); - tmp |= ~0UL >> (32-offset); - if (size < 32) - goto found_first; - if (~tmp) - goto found_middle; - size -= 32; - result += 32; - } - while (size & ~31UL) { - if (~(tmp = *(p++))) - goto found_middle; - result += 32; - size -= 32; - } - if (!size) - return result; - tmp = *p; - -found_first: - tmp |= ~0UL << size; -found_middle: - return result + ffz(tmp); -} - -static __inline__ unsigned long find_next_bit(const unsigned long *addr, - unsigned long size, unsigned long offset) -{ - unsigned long *p = (unsigned long *)(((unsigned long)addr + (offset >> 3)) & ~3); - unsigned int result = offset & ~31UL; - unsigned int tmp; - - if (offset >= size) - return size; - size -= result; - offset &= 31UL; - if (offset) { - tmp = *(p++); - tmp &= ~0UL << offset; - if (size < 32) - goto found_first; - if (tmp) - goto found_middle; - size -= 32; - result += 32; - } - while (size >= 32) { - if ((tmp = *p++) != 0) - goto found_middle; - result += 32; - size -= 32; - } - if (!size) - return result; - tmp = *p; - -found_first: - tmp &= ~0UL >> (32 - size); - if (tmp == 0UL) - return result + size; -found_middle: - return result + __ffs(tmp); -} - -#define find_first_bit(addr, size) find_next_bit(addr, size, 0) - -/* - * Every architecture must define this function. It's the fastest - * way of searching a 140-bit bitmap where the first 100 bits are - * unlikely to be set. It's guaranteed that at least one of the 140 - * bits is cleared. - */ -static inline int sched_find_first_bit(unsigned long *b) -{ - if (unlikely(b[0])) - return __ffs(b[0]); - if (unlikely(b[1])) - return __ffs(b[1]) + 32; - if (unlikely(b[2])) - return __ffs(b[2]) + 64; - if (b[3]) - return __ffs(b[3]) + 96; - return __ffs(b[4]) + 128; -} - -/* - * hweightN: returns the hamming weight (i.e. the number - * of bits set) of a N-bit word - */ - -#define hweight32(x) generic_hweight32(x) -#define hweight16(x) generic_hweight16(x) -#define hweight8(x) generic_hweight8(x) - -static __inline__ int ext2_set_bit(int nr, volatile void * addr) -{ - int mask, retval; - unsigned long flags; - volatile unsigned char *ADDR = (unsigned char *) addr; - - ADDR += nr >> 3; - mask = 1 << (nr & 0x07); - local_irq_save(flags); - retval = (mask & *ADDR) != 0; - *ADDR |= mask; - local_irq_restore(flags); - return retval; -} -#define ext2_set_bit_atomic(lock, nr, addr) ext2_set_bit(nr, addr) - -static __inline__ int ext2_clear_bit(int nr, volatile void * addr) -{ - int mask, retval; - unsigned long flags; - volatile unsigned char *ADDR = (unsigned char *) addr; - - ADDR += nr >> 3; - mask = 1 << (nr & 0x07); - local_irq_save(flags); - retval = (mask & *ADDR) != 0; - *ADDR &= ~mask; - local_irq_restore(flags); - return retval; -} -#define ext2_clear_bit_atomic(lock, nr, addr) ext2_set_bit(nr, addr) - -static __inline__ int ext2_test_bit(int nr, const volatile void * addr) -{ - int mask; - const volatile unsigned char *ADDR = (const unsigned char *) addr; - - ADDR += nr >> 3; - mask = 1 << (nr & 0x07); - return ((mask & *ADDR) != 0); -} - -#define ext2_find_first_zero_bit(addr, size) \ - ext2_find_next_zero_bit((addr), (size), 0) - -static __inline__ unsigned long ext2_find_next_zero_bit(void *addr, unsigned long size, unsigned long offset) -{ - unsigned long *p = ((unsigned long *) addr) + (offset >> 5); - unsigned long result = offset & ~31UL; - unsigned long tmp; - - if (offset >= size) - return size; - size -= result; - offset &= 31UL; - if(offset) { - /* We hold the little endian value in tmp, but then the - * shift is illegal. So we could keep a big endian value - * in tmp, like this: - * - * tmp = __swab32(*(p++)); - * tmp |= ~0UL >> (32-offset); - * - * but this would decrease performance, so we change the - * shift: - */ - tmp = *(p++); - tmp |= __swab32(~0UL >> (32-offset)); - if(size < 32) - goto found_first; - if(~tmp) - goto found_middle; - size -= 32; - result += 32; - } - while(size & ~31UL) { - if(~(tmp = *(p++))) - goto found_middle; - result += 32; - size -= 32; - } - if(!size) - return result; - tmp = *p; - -found_first: - /* tmp is little endian, so we would have to swab the shift, - * see above. But then we have to swab tmp below for ffz, so - * we might as well do this here. - */ - return result + ffz(__swab32(tmp) | (~0UL << size)); -found_middle: - return result + ffz(__swab32(tmp)); -} - -/* Bitmap functions for the minix filesystem. */ -#define minix_test_and_set_bit(nr,addr) test_and_set_bit(nr,addr) -#define minix_set_bit(nr,addr) set_bit(nr,addr) -#define minix_test_and_clear_bit(nr,addr) test_and_clear_bit(nr,addr) -#define minix_test_bit(nr,addr) test_bit(nr,addr) -#define minix_find_first_zero_bit(addr,size) find_first_zero_bit(addr,size) +#include <asm-generic/bitops/find.h> +#include <asm-generic/bitops/sched.h> +#include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/ext2-non-atomic.h> +#include <asm-generic/bitops/ext2-atomic.h> +#include <asm-generic/bitops/minix.h> #endif /* __KERNEL__ */ -#define fls(x) generic_fls(x) -#define fls64(x) generic_fls64(x) +#include <asm-generic/bitops/fls.h> +#include <asm-generic/bitops/fls64.h> #endif /* _H8300_BITOPS_H */ diff --git a/include/asm-h8300/page.h b/include/asm-h8300/page.h index cd35b1cc6cde..6472c9f88227 100644 --- a/include/asm-h8300/page.h +++ b/include/asm-h8300/page.h @@ -71,8 +71,7 @@ extern unsigned long memory_end; #define page_to_virt(page) ((((page) - mem_map) << PAGE_SHIFT) + PAGE_OFFSET) #define pfn_valid(page) (page < max_mapnr) -#define pfn_to_page(pfn) virt_to_page(pfn_to_virt(pfn)) -#define page_to_pfn(page) virt_to_pfn(page_to_virt(page)) +#define ARCH_PFN_OFFSET (PAGE_OFFSET >> PAGE_SHIFT) #define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \ ((void *)(kaddr) < (void *)memory_end)) @@ -81,6 +80,7 @@ extern unsigned long memory_end; #endif /* __KERNEL__ */ +#include <asm-generic/memory_model.h> #include <asm-generic/page.h> #endif /* _H8300_PAGE_H */ diff --git a/include/asm-h8300/poll.h b/include/asm-h8300/poll.h index bf49ab8ad6da..fc52103b276a 100644 --- a/include/asm-h8300/poll.h +++ b/include/asm-h8300/poll.h @@ -12,6 +12,7 @@ #define POLLRDBAND 128 #define POLLWRBAND 256 #define POLLMSG 0x0400 +#define POLLRDHUP 0x2000 struct pollfd { int fd; diff --git a/include/asm-h8300/types.h b/include/asm-h8300/types.h index bf91e0d4dde7..da2402b86540 100644 --- a/include/asm-h8300/types.h +++ b/include/asm-h8300/types.h @@ -58,6 +58,9 @@ typedef u32 dma_addr_t; #define HAVE_SECTOR_T typedef u64 sector_t; +#define HAVE_BLKCNT_T +typedef u64 blkcnt_t; + #endif /* __KERNEL__ */ #endif /* __ASSEMBLY__ */ diff --git a/include/asm-i386/bitops.h b/include/asm-i386/bitops.h index 7d20b95edb3b..08deaeee6be9 100644 --- a/include/asm-i386/bitops.h +++ b/include/asm-i386/bitops.h @@ -362,28 +362,9 @@ static inline unsigned long ffz(unsigned long word) return word; } -#define fls64(x) generic_fls64(x) - #ifdef __KERNEL__ -/* - * Every architecture must define this function. It's the fastest - * way of searching a 140-bit bitmap where the first 100 bits are - * unlikely to be set. It's guaranteed that at least one of the 140 - * bits is cleared. - */ -static inline int sched_find_first_bit(const unsigned long *b) -{ - if (unlikely(b[0])) - return __ffs(b[0]); - if (unlikely(b[1])) - return __ffs(b[1]) + 32; - if (unlikely(b[2])) - return __ffs(b[2]) + 64; - if (b[3]) - return __ffs(b[3]) + 96; - return __ffs(b[4]) + 128; -} +#include <asm-generic/bitops/sched.h> /** * ffs - find first bit set @@ -421,42 +402,22 @@ static inline int fls(int x) return r+1; } -/** - * hweightN - returns the hamming weight of a N-bit word - * @x: the word to weigh - * - * The Hamming Weight of a number is the total number of bits set in it. - */ - -#define hweight32(x) generic_hweight32(x) -#define hweight16(x) generic_hweight16(x) -#define hweight8(x) generic_hweight8(x) +#include <asm-generic/bitops/hweight.h> #endif /* __KERNEL__ */ +#include <asm-generic/bitops/fls64.h> + #ifdef __KERNEL__ -#define ext2_set_bit(nr,addr) \ - __test_and_set_bit((nr),(unsigned long*)addr) +#include <asm-generic/bitops/ext2-non-atomic.h> + #define ext2_set_bit_atomic(lock,nr,addr) \ test_and_set_bit((nr),(unsigned long*)addr) -#define ext2_clear_bit(nr, addr) \ - __test_and_clear_bit((nr),(unsigned long*)addr) #define ext2_clear_bit_atomic(lock,nr, addr) \ test_and_clear_bit((nr),(unsigned long*)addr) -#define ext2_test_bit(nr, addr) test_bit((nr),(unsigned long*)addr) -#define ext2_find_first_zero_bit(addr, size) \ - find_first_zero_bit((unsigned long*)addr, size) -#define ext2_find_next_zero_bit(addr, size, off) \ - find_next_zero_bit((unsigned long*)addr, size, off) - -/* Bitmap functions for the minix filesystem. */ -#define minix_test_and_set_bit(nr,addr) __test_and_set_bit(nr,(void*)addr) -#define minix_set_bit(nr,addr) __set_bit(nr,(void*)addr) -#define minix_test_and_clear_bit(nr,addr) __test_and_clear_bit(nr,(void*)addr) -#define minix_test_bit(nr,addr) test_bit(nr,(void*)addr) -#define minix_find_first_zero_bit(addr,size) \ - find_first_zero_bit((void*)addr,size) + +#include <asm-generic/bitops/minix.h> #endif /* __KERNEL__ */ diff --git a/include/asm-i386/dmi.h b/include/asm-i386/dmi.h new file mode 100644 index 000000000000..38d4eeb7fc7e --- /dev/null +++ b/include/asm-i386/dmi.h @@ -0,0 +1,11 @@ +#ifndef _ASM_DMI_H +#define _ASM_DMI_H 1 + +#include <asm/io.h> + +/* Use early IO mappings for DMI because it's initialized early */ +#define dmi_ioremap bt_ioremap +#define dmi_iounmap bt_iounmap +#define dmi_alloc alloc_bootmem + +#endif diff --git a/include/asm-i386/futex.h b/include/asm-i386/futex.h index 44b9db806474..7b8ceefd010f 100644 --- a/include/asm-i386/futex.h +++ b/include/asm-i386/futex.h @@ -104,5 +104,32 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr) return ret; } +static inline int +futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval) +{ + if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) + return -EFAULT; + + __asm__ __volatile__( + "1: " LOCK_PREFIX "cmpxchgl %3, %1 \n" + + "2: .section .fixup, \"ax\" \n" + "3: mov %2, %0 \n" + " jmp 2b \n" + " .previous \n" + + " .section __ex_table, \"a\" \n" + " .align 8 \n" + " .long 1b,3b \n" + " .previous \n" + + : "=a" (oldval), "=m" (*uaddr) + : "i" (-EFAULT), "r" (newval), "0" (oldval) + : "memory" + ); + + return oldval; +} + #endif #endif diff --git a/include/asm-i386/kdebug.h b/include/asm-i386/kdebug.h index 316138e89910..96d0828ce096 100644 --- a/include/asm-i386/kdebug.h +++ b/include/asm-i386/kdebug.h @@ -17,11 +17,9 @@ struct die_args { int signr; }; -/* Note - you should never unregister because that can race with NMIs. - If you really want to do it first unregister - then synchronize_sched - then free. - */ -int register_die_notifier(struct notifier_block *nb); -extern struct notifier_block *i386die_chain; +extern int register_die_notifier(struct notifier_block *); +extern int unregister_die_notifier(struct notifier_block *); +extern struct atomic_notifier_head i386die_chain; /* Grossly misnamed. */ @@ -51,7 +49,7 @@ static inline int notify_die(enum die_val val, const char *str, .trapnr = trap, .signr = sig }; - return notifier_call_chain(&i386die_chain, val, &args); + return atomic_notifier_call_chain(&i386die_chain, val, &args); } #endif diff --git a/include/asm-i386/kprobes.h b/include/asm-i386/kprobes.h index a0d2d74a7dda..57d157c5cf89 100644 --- a/include/asm-i386/kprobes.h +++ b/include/asm-i386/kprobes.h @@ -34,6 +34,7 @@ struct pt_regs; typedef u8 kprobe_opcode_t; #define BREAKPOINT_INSTRUCTION 0xcc +#define RELATIVEJUMP_INSTRUCTION 0xe9 #define MAX_INSN_SIZE 16 #define MAX_STACK_SIZE 64 #define MIN_STACK_SIZE(ADDR) (((MAX_STACK_SIZE) < \ @@ -51,6 +52,11 @@ void kretprobe_trampoline(void); struct arch_specific_insn { /* copy of the original instruction */ kprobe_opcode_t *insn; + /* + * If this flag is not 0, this kprobe can be boost when its + * post_handler and break_handler is not set. + */ + int boostable; }; struct prev_kprobe { diff --git a/include/asm-i386/mach-default/mach_time.h b/include/asm-i386/mach-default/mach_time.h index b749aa44a86f..31eb5de6f3dc 100644 --- a/include/asm-i386/mach-default/mach_time.h +++ b/include/asm-i386/mach-default/mach_time.h @@ -82,21 +82,8 @@ static inline int mach_set_rtc_mmss(unsigned long nowtime) static inline unsigned long mach_get_cmos_time(void) { unsigned int year, mon, day, hour, min, sec; - int i; - /* The Linux interpretation of the CMOS clock register contents: - * When the Update-In-Progress (UIP) flag goes from 1 to 0, the - * RTC registers show the second which has precisely just started. - * Let's hope other operating systems interpret the RTC the same way. - */ - /* read RTC exactly on falling edge of update flag */ - for (i = 0 ; i < 1000000 ; i++) /* may take up to 1 second... */ - if (CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP) - break; - for (i = 0 ; i < 1000000 ; i++) /* must try at least 2.228 ms */ - if (!(CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP)) - break; - do { /* Isn't this overkill ? UIP above should guarantee consistency */ + do { sec = CMOS_READ(RTC_SECONDS); min = CMOS_READ(RTC_MINUTES); hour = CMOS_READ(RTC_HOURS); @@ -104,16 +91,18 @@ static inline unsigned long mach_get_cmos_time(void) mon = CMOS_READ(RTC_MONTH); year = CMOS_READ(RTC_YEAR); } while (sec != CMOS_READ(RTC_SECONDS)); - if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD) - { - BCD_TO_BIN(sec); - BCD_TO_BIN(min); - BCD_TO_BIN(hour); - BCD_TO_BIN(day); - BCD_TO_BIN(mon); - BCD_TO_BIN(year); - } - if ((year += 1900) < 1970) + + if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD) { + BCD_TO_BIN(sec); + BCD_TO_BIN(min); + BCD_TO_BIN(hour); + BCD_TO_BIN(day); + BCD_TO_BIN(mon); + BCD_TO_BIN(year); + } + + year += 1900; + if (year < 1970) year += 100; return mktime(year, mon, day, hour, min, sec); diff --git a/include/asm-i386/mmzone.h b/include/asm-i386/mmzone.h index 74f595d80579..e33e9f9e4c66 100644 --- a/include/asm-i386/mmzone.h +++ b/include/asm-i386/mmzone.h @@ -70,8 +70,6 @@ static inline int pfn_to_nid(unsigned long pfn) #endif } -#define node_localnr(pfn, nid) ((pfn) - node_data[nid]->node_start_pfn) - /* * Following are macros that each numa implmentation must define. */ @@ -86,21 +84,6 @@ static inline int pfn_to_nid(unsigned long pfn) /* XXX: FIXME -- wli */ #define kern_addr_valid(kaddr) (0) -#define pfn_to_page(pfn) \ -({ \ - unsigned long __pfn = pfn; \ - int __node = pfn_to_nid(__pfn); \ - &NODE_DATA(__node)->node_mem_map[node_localnr(__pfn,__node)]; \ -}) - -#define page_to_pfn(pg) \ -({ \ - struct page *__page = pg; \ - struct zone *__zone = page_zone(__page); \ - (unsigned long)(__page - __zone->zone_mem_map) \ - + __zone->zone_start_pfn; \ -}) - #ifdef CONFIG_X86_NUMAQ /* we have contiguous memory on NUMA-Q */ #define pfn_valid(pfn) ((pfn) < num_physpages) #else diff --git a/include/asm-i386/page.h b/include/asm-i386/page.h index 997ca5d17876..30f52a2263ba 100644 --- a/include/asm-i386/page.h +++ b/include/asm-i386/page.h @@ -126,8 +126,6 @@ extern int page_is_ram(unsigned long pagenr); #define __va(x) ((void *)((unsigned long)(x)+PAGE_OFFSET)) #define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT) #ifdef CONFIG_FLATMEM -#define pfn_to_page(pfn) (mem_map + (pfn)) -#define page_to_pfn(page) ((unsigned long)((page) - mem_map)) #define pfn_valid(pfn) ((pfn) < max_mapnr) #endif /* CONFIG_FLATMEM */ #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) @@ -141,6 +139,7 @@ extern int page_is_ram(unsigned long pagenr); #endif /* __KERNEL__ */ +#include <asm-generic/memory_model.h> #include <asm-generic/page.h> #endif /* _I386_PAGE_H */ diff --git a/include/asm-i386/poll.h b/include/asm-i386/poll.h index aecc80a15d36..2cd4929abd40 100644 --- a/include/asm-i386/poll.h +++ b/include/asm-i386/poll.h @@ -16,6 +16,7 @@ #define POLLWRBAND 0x0200 #define POLLMSG 0x0400 #define POLLREMOVE 0x1000 +#define POLLRDHUP 0x2000 struct pollfd { int fd; diff --git a/include/asm-i386/processor.h b/include/asm-i386/processor.h index feca5d961e2b..805f0dcda468 100644 --- a/include/asm-i386/processor.h +++ b/include/asm-i386/processor.h @@ -20,6 +20,7 @@ #include <linux/config.h> #include <linux/threads.h> #include <asm/percpu.h> +#include <linux/cpumask.h> /* flag for disabling the tsc */ extern int tsc_disable; @@ -67,6 +68,9 @@ struct cpuinfo_x86 { char pad0; int x86_power; unsigned long loops_per_jiffy; +#ifdef CONFIG_SMP + cpumask_t llc_shared_map; /* cpus sharing the last level cache */ +#endif unsigned char x86_max_cores; /* cpuid returned max cores value */ unsigned char booted_cores; /* number of cores as seen by OS */ unsigned char apicid; @@ -103,6 +107,7 @@ extern struct cpuinfo_x86 cpu_data[]; extern int phys_proc_id[NR_CPUS]; extern int cpu_core_id[NR_CPUS]; +extern int cpu_llc_id[NR_CPUS]; extern char ignore_fpu_irq; extern void identify_cpu(struct cpuinfo_x86 *); @@ -616,8 +621,6 @@ struct extended_sigtable { unsigned int reserved[3]; struct extended_signature sigs[0]; }; -/* '6' because it used to be for P6 only (but now covers Pentium 4 as well) */ -#define MICROCODE_IOCFREE _IO('6',0) /* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */ static inline void rep_nop(void) diff --git a/include/asm-i386/setup.h b/include/asm-i386/setup.h index 826a8ca50ac8..ee941457b55d 100644 --- a/include/asm-i386/setup.h +++ b/include/asm-i386/setup.h @@ -6,9 +6,7 @@ #ifndef _i386_SETUP_H #define _i386_SETUP_H -#define PFN_UP(x) (((x) + PAGE_SIZE-1) >> PAGE_SHIFT) -#define PFN_DOWN(x) ((x) >> PAGE_SHIFT) -#define PFN_PHYS(x) ((x) << PAGE_SHIFT) +#include <linux/pfn.h> /* * Reserved space for vmalloc and iomap - defined in asm/page.h diff --git a/include/asm-i386/stat.h b/include/asm-i386/stat.h index b464f8020ec4..67eae78323ba 100644 --- a/include/asm-i386/stat.h +++ b/include/asm-i386/stat.h @@ -58,8 +58,7 @@ struct stat64 { long long st_size; unsigned long st_blksize; - unsigned long st_blocks; /* Number 512-byte blocks allocated. */ - unsigned long __pad4; /* future possible st_blocks high bits */ + unsigned long long st_blocks; /* Number 512-byte blocks allocated. */ unsigned long st_atime; unsigned long st_atime_nsec; diff --git a/include/asm-i386/topology.h b/include/asm-i386/topology.h index aa958c6ee83e..b94e5eeef917 100644 --- a/include/asm-i386/topology.h +++ b/include/asm-i386/topology.h @@ -112,4 +112,6 @@ extern unsigned long node_remap_size[]; #endif /* CONFIG_NUMA */ +extern cpumask_t cpu_coregroup_map(int cpu); + #endif /* _ASM_I386_TOPOLOGY_H */ diff --git a/include/asm-i386/types.h b/include/asm-i386/types.h index ced00fe8fe61..e50a08bd7ced 100644 --- a/include/asm-i386/types.h +++ b/include/asm-i386/types.h @@ -63,6 +63,11 @@ typedef u64 sector_t; #define HAVE_SECTOR_T #endif +#ifdef CONFIG_LSF +typedef u64 blkcnt_t; +#define HAVE_BLKCNT_T +#endif + #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ diff --git a/include/asm-i386/unistd.h b/include/asm-i386/unistd.h index d8afd0e3b81a..014e3562895b 100644 --- a/include/asm-i386/unistd.h +++ b/include/asm-i386/unistd.h @@ -316,8 +316,10 @@ #define __NR_pselect6 308 #define __NR_ppoll 309 #define __NR_unshare 310 +#define __NR_set_robust_list 311 +#define __NR_get_robust_list 312 -#define NR_syscalls 311 +#define NR_syscalls 313 /* * user-visible error numbers are in the range -1 - -128: see diff --git a/include/asm-ia64/acpi.h b/include/asm-ia64/acpi.h index f7a517654308..d734585a23cf 100644 --- a/include/asm-ia64/acpi.h +++ b/include/asm-ia64/acpi.h @@ -111,7 +111,11 @@ extern int additional_cpus; #ifdef CONFIG_ACPI_NUMA /* Proximity bitmap length; _PXM is at most 255 (8 bit)*/ +#ifdef CONFIG_IA64_NR_NODES +#define MAX_PXM_DOMAINS CONFIG_IA64_NR_NODES +#else #define MAX_PXM_DOMAINS (256) +#endif extern int __devinitdata pxm_to_nid_map[MAX_PXM_DOMAINS]; extern int __initdata nid_to_pxm_map[MAX_NUMNODES]; #endif diff --git a/include/asm-ia64/asmmacro.h b/include/asm-ia64/asmmacro.h index 77af457f4ad7..d4cec32083d8 100644 --- a/include/asm-ia64/asmmacro.h +++ b/include/asm-ia64/asmmacro.h @@ -51,6 +51,17 @@ name: [99:] x /* + * Tag MCA recoverable instruction ranges. + */ + + .section "__mca_table", "a" // declare section & section attributes + .previous + +# define MCA_RECOVER_RANGE(y) \ + .xdata4 "__mca_table", y-., 99f-.; \ + [99:] + +/* * Mark instructions that need a load of a virtual address patched to be * a load of a physical address. We use this either in critical performance * path (ivt.S - TLB miss processing) or in places where it might not be diff --git a/include/asm-ia64/bitops.h b/include/asm-ia64/bitops.h index 36d0fb95ea89..90921e162793 100644 --- a/include/asm-ia64/bitops.h +++ b/include/asm-ia64/bitops.h @@ -5,8 +5,8 @@ * Copyright (C) 1998-2003 Hewlett-Packard Co * David Mosberger-Tang <davidm@hpl.hp.com> * - * 02/06/02 find_next_bit() and find_first_bit() added from Erich Focht's ia64 O(1) - * scheduler patch + * 02/06/02 find_next_bit() and find_first_bit() added from Erich Focht's ia64 + * O(1) scheduler patch */ #include <linux/compiler.h> @@ -25,9 +25,9 @@ * restricted to acting on a single-word quantity. * * The address must be (at least) "long" aligned. - * Note that there are driver (e.g., eepro100) which use these operations to operate on - * hw-defined data-structures, so we can't easily change these operations to force a - * bigger alignment. + * Note that there are driver (e.g., eepro100) which use these operations to + * operate on hw-defined data-structures, so we can't easily change these + * operations to force a bigger alignment. * * bit 0 is the LSB of addr; bit 32 is the LSB of (addr+1). */ @@ -284,8 +284,8 @@ test_bit (int nr, const volatile void *addr) * ffz - find the first zero bit in a long word * @x: The long word to find the bit in * - * Returns the bit-number (0..63) of the first (least significant) zero bit. Undefined if - * no zero exists, so code should check against ~0UL first... + * Returns the bit-number (0..63) of the first (least significant) zero bit. + * Undefined if no zero exists, so code should check against ~0UL first... */ static inline unsigned long ffz (unsigned long x) @@ -345,13 +345,14 @@ fls (int t) x |= x >> 16; return ia64_popcnt(x); } -#define fls64(x) generic_fls64(x) + +#include <asm-generic/bitops/fls64.h> /* - * ffs: find first bit set. This is defined the same way as the libc and compiler builtin - * ffs routines, therefore differs in spirit from the above ffz (man ffs): it operates on - * "int" values only and the result value is the bit number + 1. ffs(0) is defined to - * return zero. + * ffs: find first bit set. This is defined the same way as the libc and + * compiler builtin ffs routines, therefore differs in spirit from the above + * ffz (man ffs): it operates on "int" values only and the result value is the + * bit number + 1. ffs(0) is defined to return zero. */ #define ffs(x) __builtin_ffs(x) @@ -373,51 +374,17 @@ hweight64 (unsigned long x) #endif /* __KERNEL__ */ -extern int __find_next_zero_bit (const void *addr, unsigned long size, - unsigned long offset); -extern int __find_next_bit(const void *addr, unsigned long size, - unsigned long offset); - -#define find_next_zero_bit(addr, size, offset) \ - __find_next_zero_bit((addr), (size), (offset)) -#define find_next_bit(addr, size, offset) \ - __find_next_bit((addr), (size), (offset)) - -/* - * The optimizer actually does good code for this case.. - */ -#define find_first_zero_bit(addr, size) find_next_zero_bit((addr), (size), 0) - -#define find_first_bit(addr, size) find_next_bit((addr), (size), 0) +#include <asm-generic/bitops/find.h> #ifdef __KERNEL__ -#define __clear_bit(nr, addr) clear_bit(nr, addr) +#include <asm-generic/bitops/ext2-non-atomic.h> -#define ext2_set_bit test_and_set_bit #define ext2_set_bit_atomic(l,n,a) test_and_set_bit(n,a) -#define ext2_clear_bit test_and_clear_bit #define ext2_clear_bit_atomic(l,n,a) test_and_clear_bit(n,a) -#define ext2_test_bit test_bit -#define ext2_find_first_zero_bit find_first_zero_bit -#define ext2_find_next_zero_bit find_next_zero_bit - -/* Bitmap functions for the minix filesystem. */ -#define minix_test_and_set_bit(nr,addr) test_and_set_bit(nr,addr) -#define minix_set_bit(nr,addr) set_bit(nr,addr) -#define minix_test_and_clear_bit(nr,addr) test_and_clear_bit(nr,addr) -#define minix_test_bit(nr,addr) test_bit(nr,addr) -#define minix_find_first_zero_bit(addr,size) find_first_zero_bit(addr,size) -static inline int -sched_find_first_bit (unsigned long *b) -{ - if (unlikely(b[0])) - return __ffs(b[0]); - if (unlikely(b[1])) - return 64 + __ffs(b[1]); - return __ffs(b[2]) + 128; -} +#include <asm-generic/bitops/minix.h> +#include <asm-generic/bitops/sched.h> #endif /* __KERNEL__ */ diff --git a/include/asm-ia64/compat.h b/include/asm-ia64/compat.h index c0b19106665c..40d01d80610d 100644 --- a/include/asm-ia64/compat.h +++ b/include/asm-ia64/compat.h @@ -189,6 +189,12 @@ compat_ptr (compat_uptr_t uptr) return (void __user *) (unsigned long) uptr; } +static inline compat_uptr_t +ptr_to_compat(void __user *uptr) +{ + return (u32)(unsigned long)uptr; +} + static __inline__ void __user * compat_alloc_user_space (long len) { diff --git a/include/asm-ia64/dmi.h b/include/asm-ia64/dmi.h new file mode 100644 index 000000000000..f3efaa229525 --- /dev/null +++ b/include/asm-ia64/dmi.h @@ -0,0 +1,6 @@ +#ifndef _ASM_DMI_H +#define _ASM_DMI_H 1 + +#include <asm/io.h> + +#endif diff --git a/include/asm-ia64/io.h b/include/asm-ia64/io.h index b64fdb985494..c2e3742108bb 100644 --- a/include/asm-ia64/io.h +++ b/include/asm-ia64/io.h @@ -88,8 +88,8 @@ phys_to_virt (unsigned long address) } #define ARCH_HAS_VALID_PHYS_ADDR_RANGE -extern int valid_phys_addr_range (unsigned long addr, size_t *count); /* efi.c */ -extern int valid_mmap_phys_addr_range (unsigned long addr, size_t *count); +extern int valid_phys_addr_range (unsigned long addr, size_t count); /* efi.c */ +extern int valid_mmap_phys_addr_range (unsigned long addr, size_t count); /* * The following two macros are deprecated and scheduled for removal. @@ -416,24 +416,18 @@ __writeq (unsigned long val, volatile void __iomem *addr) # define outl_p outl #endif -/* - * An "address" in IO memory space is not clearly either an integer or a pointer. We will - * accept both, thus the casts. - * - * On ia-64, we access the physical I/O memory space through the uncached kernel region. - */ -static inline void __iomem * -ioremap (unsigned long offset, unsigned long size) -{ - return (void __iomem *) (__IA64_UNCACHED_OFFSET | (offset)); -} +extern void __iomem * ioremap(unsigned long offset, unsigned long size); +extern void __iomem * ioremap_nocache (unsigned long offset, unsigned long size); static inline void iounmap (volatile void __iomem *addr) { } -#define ioremap_nocache(o,s) ioremap(o,s) +/* Use normal IO mappings for DMI */ +#define dmi_ioremap ioremap +#define dmi_iounmap(x,l) iounmap(x) +#define dmi_alloc(l) kmalloc(l, GFP_ATOMIC) # ifdef __KERNEL__ diff --git a/include/asm-ia64/kdebug.h b/include/asm-ia64/kdebug.h index 8b01a083dde6..218c458ab60c 100644 --- a/include/asm-ia64/kdebug.h +++ b/include/asm-ia64/kdebug.h @@ -40,7 +40,7 @@ struct die_args { extern int register_die_notifier(struct notifier_block *); extern int unregister_die_notifier(struct notifier_block *); -extern struct notifier_block *ia64die_chain; +extern struct atomic_notifier_head ia64die_chain; enum die_val { DIE_BREAK = 1, @@ -81,7 +81,7 @@ static inline int notify_die(enum die_val val, char *str, struct pt_regs *regs, .signr = sig }; - return notifier_call_chain(&ia64die_chain, val, &args); + return atomic_notifier_call_chain(&ia64die_chain, val, &args); } #endif diff --git a/include/asm-ia64/machvec_dig.h b/include/asm-ia64/machvec_dig.h index 4dc8522c974f..8a0752f40987 100644 --- a/include/asm-ia64/machvec_dig.h +++ b/include/asm-ia64/machvec_dig.h @@ -2,7 +2,6 @@ #define _ASM_IA64_MACHVEC_DIG_h extern ia64_mv_setup_t dig_setup; -extern ia64_mv_irq_init_t dig_irq_init; /* * This stuff has dual use! @@ -13,6 +12,5 @@ extern ia64_mv_irq_init_t dig_irq_init; */ #define platform_name "dig" #define platform_setup dig_setup -#define platform_irq_init dig_irq_init #endif /* _ASM_IA64_MACHVEC_DIG_h */ diff --git a/include/asm-ia64/numa.h b/include/asm-ia64/numa.h index 3ae128fe0823..dae6aeb7b119 100644 --- a/include/asm-ia64/numa.h +++ b/include/asm-ia64/numa.h @@ -23,7 +23,7 @@ #include <asm/mmzone.h> -extern u8 cpu_to_node_map[NR_CPUS] __cacheline_aligned; +extern u16 cpu_to_node_map[NR_CPUS] __cacheline_aligned; extern cpumask_t node_to_cpu_mask[MAX_NUMNODES] __cacheline_aligned; /* Stuff below this line could be architecture independent */ diff --git a/include/asm-ia64/numnodes.h b/include/asm-ia64/numnodes.h index 21cff4da5485..e9d356f549d9 100644 --- a/include/asm-ia64/numnodes.h +++ b/include/asm-ia64/numnodes.h @@ -3,13 +3,18 @@ #ifdef CONFIG_IA64_DIG /* Max 8 Nodes */ -#define NODES_SHIFT 3 +# define NODES_SHIFT 3 #elif defined(CONFIG_IA64_HP_ZX1) || defined(CONFIG_IA64_HP_ZX1_SWIOTLB) /* Max 32 Nodes */ -#define NODES_SHIFT 5 +# define NODES_SHIFT 5 #elif defined(CONFIG_IA64_SGI_SN2) || defined(CONFIG_IA64_GENERIC) -/* Max 256 Nodes */ -#define NODES_SHIFT 8 +# if CONFIG_IA64_NR_NODES == 256 +# define NODES_SHIFT 8 +# elif CONFIG_IA64_NR_NODES <= 512 +# define NODES_SHIFT 9 +# elif CONFIG_IA64_NR_NODES <= 1024 +# define NODES_SHIFT 10 +# endif #endif #endif /* _ASM_MAX_NUMNODES_H */ diff --git a/include/asm-ia64/page.h b/include/asm-ia64/page.h index 3ab27333dae4..2087825eefa4 100644 --- a/include/asm-ia64/page.h +++ b/include/asm-ia64/page.h @@ -106,17 +106,25 @@ extern int ia64_pfn_valid (unsigned long pfn); # define ia64_pfn_valid(pfn) 1 #endif +#ifdef CONFIG_VIRTUAL_MEM_MAP +extern struct page *vmem_map; +#ifdef CONFIG_DISCONTIGMEM +# define page_to_pfn(page) ((unsigned long) (page - vmem_map)) +# define pfn_to_page(pfn) (vmem_map + (pfn)) +#endif +#endif + +#if defined(CONFIG_FLATMEM) || defined(CONFIG_SPARSEMEM) +/* FLATMEM always configures mem_map (mem_map = vmem_map if necessary) */ +#include <asm-generic/memory_model.h> +#endif + #ifdef CONFIG_FLATMEM # define pfn_valid(pfn) (((pfn) < max_mapnr) && ia64_pfn_valid(pfn)) -# define page_to_pfn(page) ((unsigned long) (page - mem_map)) -# define pfn_to_page(pfn) (mem_map + (pfn)) #elif defined(CONFIG_DISCONTIGMEM) -extern struct page *vmem_map; extern unsigned long min_low_pfn; extern unsigned long max_low_pfn; # define pfn_valid(pfn) (((pfn) >= min_low_pfn) && ((pfn) < max_low_pfn) && ia64_pfn_valid(pfn)) -# define page_to_pfn(page) ((unsigned long) (page - vmem_map)) -# define pfn_to_page(pfn) (vmem_map + (pfn)) #endif #define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT) @@ -149,7 +157,7 @@ typedef union ia64_va { | (REGION_OFFSET(x) >> (HPAGE_SHIFT-PAGE_SHIFT))) # define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) # define is_hugepage_only_range(mm, addr, len) \ - (REGION_NUMBER(addr) == RGN_HPAGE && \ + (REGION_NUMBER(addr) == RGN_HPAGE || \ REGION_NUMBER((addr)+(len)-1) == RGN_HPAGE) extern unsigned int hpage_shift; #endif diff --git a/include/asm-ia64/pal.h b/include/asm-ia64/pal.h index 7708ec669a33..4e7e6f23b08c 100644 --- a/include/asm-ia64/pal.h +++ b/include/asm-ia64/pal.h @@ -1640,8 +1640,7 @@ ia64_pal_logical_to_phys(u64 proc_number, pal_logical_to_physical_t *mapping) if (iprv.status == PAL_STATUS_SUCCESS) { - if (proc_number == 0) - mapping->overview.overview_data = iprv.v0; + mapping->overview.overview_data = iprv.v0; mapping->ppli1.ppli1_data = iprv.v1; mapping->ppli2.ppli2_data = iprv.v2; } diff --git a/include/asm-ia64/poll.h b/include/asm-ia64/poll.h index 160258a0528d..bcaf9f140242 100644 --- a/include/asm-ia64/poll.h +++ b/include/asm-ia64/poll.h @@ -21,6 +21,7 @@ #define POLLWRBAND 0x0200 #define POLLMSG 0x0400 #define POLLREMOVE 0x1000 +#define POLLRDHUP 0x2000 struct pollfd { int fd; diff --git a/include/asm-ia64/processor.h b/include/asm-ia64/processor.h index 128fefd8056f..b3bd58e80690 100644 --- a/include/asm-ia64/processor.h +++ b/include/asm-ia64/processor.h @@ -181,7 +181,6 @@ DECLARE_PER_CPU(struct cpuinfo_ia64, cpu_info); #define local_cpu_data (&__ia64_per_cpu_var(cpu_info)) #define cpu_data(cpu) (&per_cpu(cpu_info, cpu)) -extern void identify_cpu (struct cpuinfo_ia64 *); extern void print_cpu_info (struct cpuinfo_ia64 *); typedef struct { diff --git a/include/asm-ia64/sn/l1.h b/include/asm-ia64/sn/l1.h index e3b819110d47..344bf44bb356 100644 --- a/include/asm-ia64/sn/l1.h +++ b/include/asm-ia64/sn/l1.h @@ -34,6 +34,8 @@ #define L1_BRICKTYPE_IA 0x6b /* k */ #define L1_BRICKTYPE_ATHENA 0x2b /* + */ #define L1_BRICKTYPE_DAYTONA 0x7a /* z */ +#define L1_BRICKTYPE_1932 0x2c /* . */ +#define L1_BRICKTYPE_191010 0x2e /* , */ /* board type response codes */ #define L1_BOARDTYPE_IP69 0x0100 /* CA */ @@ -46,5 +48,4 @@ #define L1_BOARDTYPE_DAYTONA 0x0800 /* AD */ #define L1_BOARDTYPE_INVAL (-1) /* invalid brick type */ - #endif /* _ASM_IA64_SN_L1_H */ diff --git a/include/asm-ia64/sn/pcibr_provider.h b/include/asm-ia64/sn/pcibr_provider.h index a601d3af39b6..51260ab70d91 100644 --- a/include/asm-ia64/sn/pcibr_provider.h +++ b/include/asm-ia64/sn/pcibr_provider.h @@ -144,4 +144,5 @@ extern int sal_pcibr_slot_enable(struct pcibus_info *soft, int device, void *resp); extern int sal_pcibr_slot_disable(struct pcibus_info *soft, int device, int action, void *resp); +extern u16 sn_ioboard_to_pci_bus(struct pci_bus *pci_bus); #endif diff --git a/include/asm-ia64/sn/pcidev.h b/include/asm-ia64/sn/pcidev.h index 38cdffbc4c7b..eac3561574be 100644 --- a/include/asm-ia64/sn/pcidev.h +++ b/include/asm-ia64/sn/pcidev.h @@ -76,6 +76,7 @@ extern void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus); extern void sn_bus_store_sysdata(struct pci_dev *dev); extern void sn_bus_free_sysdata(void); +extern void sn_generate_path(struct pci_bus *pci_bus, char *address); extern void sn_pci_fixup_slot(struct pci_dev *dev); extern void sn_pci_unfixup_slot(struct pci_dev *dev); extern void sn_irq_lh_init(void); diff --git a/include/asm-ia64/sn/sn_feature_sets.h b/include/asm-ia64/sn/sn_feature_sets.h index ff33e3bd3f8e..30dcfa442e53 100644 --- a/include/asm-ia64/sn/sn_feature_sets.h +++ b/include/asm-ia64/sn/sn_feature_sets.h @@ -30,8 +30,7 @@ extern int sn_prom_feature_available(int id); #define PRF_PAL_CACHE_FLUSH_SAFE 0 #define PRF_DEVICE_FLUSH_LIST 1 - - +#define PRF_HOTPLUG_SUPPORT 2 /* --------------------- OS Features -------------------------------*/ diff --git a/include/asm-ia64/sn/sn_sal.h b/include/asm-ia64/sn/sn_sal.h index b546de2fdce5..bf4cc867a698 100644 --- a/include/asm-ia64/sn/sn_sal.h +++ b/include/asm-ia64/sn/sn_sal.h @@ -159,7 +159,7 @@ static inline u32 sn_sal_rev(void) { - struct ia64_sal_systab *systab = efi.sal_systab; + struct ia64_sal_systab *systab = __va(efi.sal_systab); return (u32)(systab->sal_b_rev_major << 8 | systab->sal_b_rev_minor); } @@ -907,18 +907,22 @@ ia64_sn_sysctl_tio_clock_reset(nasid_t nasid) /* * Get the associated ioboard type for a given nasid. */ -static inline int -ia64_sn_sysctl_ioboard_get(nasid_t nasid) +static inline s64 +ia64_sn_sysctl_ioboard_get(nasid_t nasid, u16 *ioboard) { - struct ia64_sal_retval rv; - SAL_CALL_REENTRANT(rv, SN_SAL_SYSCTL_OP, SAL_SYSCTL_OP_IOBOARD, - nasid, 0, 0, 0, 0, 0); - if (rv.v0 != 0) - return (int)rv.v0; - if (rv.v1 != 0) - return (int)rv.v1; - - return 0; + struct ia64_sal_retval isrv; + SAL_CALL_REENTRANT(isrv, SN_SAL_SYSCTL_OP, SAL_SYSCTL_OP_IOBOARD, + nasid, 0, 0, 0, 0, 0); + if (isrv.v0 != 0) { + *ioboard = isrv.v0; + return isrv.status; + } + if (isrv.v1 != 0) { + *ioboard = isrv.v1; + return isrv.status; + } + + return isrv.status; } /** diff --git a/include/asm-m32r/bitops.h b/include/asm-m32r/bitops.h index abea2fdd8689..902a366101a5 100644 --- a/include/asm-m32r/bitops.h +++ b/include/asm-m32r/bitops.h @@ -63,25 +63,6 @@ static __inline__ void set_bit(int nr, volatile void * addr) } /** - * __set_bit - Set a bit in memory - * @nr: the bit to set - * @addr: the address to start counting from - * - * Unlike set_bit(), this function is non-atomic and may be reordered. - * If it's called on the same region of memory simultaneously, the effect - * may be that only one operation succeeds. - */ -static __inline__ void __set_bit(int nr, volatile void * addr) -{ - __u32 mask; - volatile __u32 *a = addr; - - a += (nr >> 5); - mask = (1 << (nr & 0x1F)); - *a |= mask; -} - -/** * clear_bit - Clears a bit in memory * @nr: Bit to clear * @addr: Address to start counting from @@ -118,39 +99,10 @@ static __inline__ void clear_bit(int nr, volatile void * addr) local_irq_restore(flags); } -static __inline__ void __clear_bit(int nr, volatile unsigned long * addr) -{ - unsigned long mask; - volatile unsigned long *a = addr; - - a += (nr >> 5); - mask = (1 << (nr & 0x1F)); - *a &= ~mask; -} - #define smp_mb__before_clear_bit() barrier() #define smp_mb__after_clear_bit() barrier() /** - * __change_bit - Toggle a bit in memory - * @nr: the bit to set - * @addr: the address to start counting from - * - * Unlike change_bit(), this function is non-atomic and may be reordered. - * If it's called on the same region of memory simultaneously, the effect - * may be that only one operation succeeds. - */ -static __inline__ void __change_bit(int nr, volatile void * addr) -{ - __u32 mask; - volatile __u32 *a = addr; - - a += (nr >> 5); - mask = (1 << (nr & 0x1F)); - *a ^= mask; -} - -/** * change_bit - Toggle a bit in memory * @nr: Bit to clear * @addr: Address to start counting from @@ -221,28 +173,6 @@ static __inline__ int test_and_set_bit(int nr, volatile void * addr) } /** - * __test_and_set_bit - Set a bit and return its old value - * @nr: Bit to set - * @addr: Address to count from - * - * This operation is non-atomic and can be reordered. - * If two examples of this operation race, one can appear to succeed - * but actually fail. You must protect multiple accesses with a lock. - */ -static __inline__ int __test_and_set_bit(int nr, volatile void * addr) -{ - __u32 mask, oldbit; - volatile __u32 *a = addr; - - a += (nr >> 5); - mask = (1 << (nr & 0x1F)); - oldbit = (*a & mask); - *a |= mask; - - return (oldbit != 0); -} - -/** * test_and_clear_bit - Clear a bit and return its old value * @nr: Bit to set * @addr: Address to count from @@ -280,42 +210,6 @@ static __inline__ int test_and_clear_bit(int nr, volatile void * addr) } /** - * __test_and_clear_bit - Clear a bit and return its old value - * @nr: Bit to set - * @addr: Address to count from - * - * This operation is non-atomic and can be reordered. - * If two examples of this operation race, one can appear to succeed - * but actually fail. You must protect multiple accesses with a lock. - */ -static __inline__ int __test_and_clear_bit(int nr, volatile void * addr) -{ - __u32 mask, oldbit; - volatile __u32 *a = addr; - - a += (nr >> 5); - mask = (1 << (nr & 0x1F)); - oldbit = (*a & mask); - *a &= ~mask; - - return (oldbit != 0); -} - -/* WARNING: non atomic and it can be reordered! */ -static __inline__ int __test_and_change_bit(int nr, volatile void * addr) -{ - __u32 mask, oldbit; - volatile __u32 *a = addr; - - a += (nr >> 5); - mask = (1 << (nr & 0x1F)); - oldbit = (*a & mask); - *a ^= mask; - - return (oldbit != 0); -} - -/** * test_and_change_bit - Change a bit and return its old value * @nr: Bit to set * @addr: Address to count from @@ -350,353 +244,26 @@ static __inline__ int test_and_change_bit(int nr, volatile void * addr) return (oldbit != 0); } -/** - * test_bit - Determine whether a bit is set - * @nr: bit number to test - * @addr: Address to start counting from - */ -static __inline__ int test_bit(int nr, const volatile void * addr) -{ - __u32 mask; - const volatile __u32 *a = addr; - - a += (nr >> 5); - mask = (1 << (nr & 0x1F)); - - return ((*a & mask) != 0); -} - -/** - * ffz - find first zero in word. - * @word: The word to search - * - * Undefined if no zero exists, so code should check against ~0UL first. - */ -static __inline__ unsigned long ffz(unsigned long word) -{ - int k; - - word = ~word; - k = 0; - if (!(word & 0x0000ffff)) { k += 16; word >>= 16; } - if (!(word & 0x000000ff)) { k += 8; word >>= 8; } - if (!(word & 0x0000000f)) { k += 4; word >>= 4; } - if (!(word & 0x00000003)) { k += 2; word >>= 2; } - if (!(word & 0x00000001)) { k += 1; } - - return k; -} - -/** - * find_first_zero_bit - find the first zero bit in a memory region - * @addr: The address to start the search at - * @size: The maximum size to search - * - * Returns the bit-number of the first zero bit, not the number of the byte - * containing a bit. - */ - -#define find_first_zero_bit(addr, size) \ - find_next_zero_bit((addr), (size), 0) - -/** - * find_next_zero_bit - find the first zero bit in a memory region - * @addr: The address to base the search on - * @offset: The bitnumber to start searching at - * @size: The maximum size to search - */ -static __inline__ int find_next_zero_bit(const unsigned long *addr, - int size, int offset) -{ - const unsigned long *p = addr + (offset >> 5); - unsigned long result = offset & ~31UL; - unsigned long tmp; - - if (offset >= size) - return size; - size -= result; - offset &= 31UL; - if (offset) { - tmp = *(p++); - tmp |= ~0UL >> (32-offset); - if (size < 32) - goto found_first; - if (~tmp) - goto found_middle; - size -= 32; - result += 32; - } - while (size & ~31UL) { - if (~(tmp = *(p++))) - goto found_middle; - result += 32; - size -= 32; - } - if (!size) - return result; - tmp = *p; - -found_first: - tmp |= ~0UL << size; -found_middle: - return result + ffz(tmp); -} - -/** - * __ffs - find first bit in word. - * @word: The word to search - * - * Undefined if no bit exists, so code should check against 0 first. - */ -static __inline__ unsigned long __ffs(unsigned long word) -{ - int k = 0; - - if (!(word & 0x0000ffff)) { k += 16; word >>= 16; } - if (!(word & 0x000000ff)) { k += 8; word >>= 8; } - if (!(word & 0x0000000f)) { k += 4; word >>= 4; } - if (!(word & 0x00000003)) { k += 2; word >>= 2; } - if (!(word & 0x00000001)) { k += 1;} - - return k; -} - -/* - * fls: find last bit set. - */ -#define fls(x) generic_fls(x) -#define fls64(x) generic_fls64(x) +#include <asm-generic/bitops/non-atomic.h> +#include <asm-generic/bitops/ffz.h> +#include <asm-generic/bitops/__ffs.h> +#include <asm-generic/bitops/fls.h> +#include <asm-generic/bitops/fls64.h> #ifdef __KERNEL__ -/* - * Every architecture must define this function. It's the fastest - * way of searching a 140-bit bitmap where the first 100 bits are - * unlikely to be set. It's guaranteed that at least one of the 140 - * bits is cleared. - */ -static inline int sched_find_first_bit(unsigned long *b) -{ - if (unlikely(b[0])) - return __ffs(b[0]); - if (unlikely(b[1])) - return __ffs(b[1]) + 32; - if (unlikely(b[2])) - return __ffs(b[2]) + 64; - if (b[3]) - return __ffs(b[3]) + 96; - return __ffs(b[4]) + 128; -} - -/** - * find_next_bit - find the first set bit in a memory region - * @addr: The address to base the search on - * @offset: The bitnumber to start searching at - * @size: The maximum size to search - */ -static inline unsigned long find_next_bit(const unsigned long *addr, - unsigned long size, unsigned long offset) -{ - unsigned int *p = ((unsigned int *) addr) + (offset >> 5); - unsigned int result = offset & ~31UL; - unsigned int tmp; - - if (offset >= size) - return size; - size -= result; - offset &= 31UL; - if (offset) { - tmp = *p++; - tmp &= ~0UL << offset; - if (size < 32) - goto found_first; - if (tmp) - goto found_middle; - size -= 32; - result += 32; - } - while (size >= 32) { - if ((tmp = *p++) != 0) - goto found_middle; - result += 32; - size -= 32; - } - if (!size) - return result; - tmp = *p; - -found_first: - tmp &= ~0UL >> (32 - size); - if (tmp == 0UL) /* Are any bits set? */ - return result + size; /* Nope. */ -found_middle: - return result + __ffs(tmp); -} - -/** - * find_first_bit - find the first set bit in a memory region - * @addr: The address to start the search at - * @size: The maximum size to search - * - * Returns the bit-number of the first set bit, not the number of the byte - * containing a bit. - */ -#define find_first_bit(addr, size) \ - find_next_bit((addr), (size), 0) - -/** - * ffs - find first bit set - * @x: the word to search - * - * This is defined the same way as - * the libc and compiler builtin ffs routines, therefore - * differs in spirit from the above ffz (man ffs). - */ -#define ffs(x) generic_ffs(x) - -/** - * hweightN - returns the hamming weight of a N-bit word - * @x: the word to weigh - * - * The Hamming Weight of a number is the total number of bits set in it. - */ - -#define hweight32(x) generic_hweight32(x) -#define hweight16(x) generic_hweight16(x) -#define hweight8(x) generic_hweight8(x) +#include <asm-generic/bitops/sched.h> +#include <asm-generic/bitops/find.h> +#include <asm-generic/bitops/ffs.h> +#include <asm-generic/bitops/hweight.h> #endif /* __KERNEL__ */ #ifdef __KERNEL__ -/* - * ext2_XXXX function - * orig: include/asm-sh/bitops.h - */ - -#ifdef __LITTLE_ENDIAN__ -#define ext2_set_bit test_and_set_bit -#define ext2_clear_bit __test_and_clear_bit -#define ext2_test_bit test_bit -#define ext2_find_first_zero_bit find_first_zero_bit -#define ext2_find_next_zero_bit find_next_zero_bit -#else -static inline int ext2_set_bit(int nr, volatile void * addr) -{ - __u8 mask, oldbit; - volatile __u8 *a = addr; - - a += (nr >> 3); - mask = (1 << (nr & 0x07)); - oldbit = (*a & mask); - *a |= mask; - - return (oldbit != 0); -} - -static inline int ext2_clear_bit(int nr, volatile void * addr) -{ - __u8 mask, oldbit; - volatile __u8 *a = addr; - - a += (nr >> 3); - mask = (1 << (nr & 0x07)); - oldbit = (*a & mask); - *a &= ~mask; - - return (oldbit != 0); -} - -static inline int ext2_test_bit(int nr, const volatile void * addr) -{ - __u32 mask; - const volatile __u8 *a = addr; - - a += (nr >> 3); - mask = (1 << (nr & 0x07)); - - return ((mask & *a) != 0); -} - -#define ext2_find_first_zero_bit(addr, size) \ - ext2_find_next_zero_bit((addr), (size), 0) - -static inline unsigned long ext2_find_next_zero_bit(void *addr, - unsigned long size, unsigned long offset) -{ - unsigned long *p = ((unsigned long *) addr) + (offset >> 5); - unsigned long result = offset & ~31UL; - unsigned long tmp; - - if (offset >= size) - return size; - size -= result; - offset &= 31UL; - if(offset) { - /* We hold the little endian value in tmp, but then the - * shift is illegal. So we could keep a big endian value - * in tmp, like this: - * - * tmp = __swab32(*(p++)); - * tmp |= ~0UL >> (32-offset); - * - * but this would decrease preformance, so we change the - * shift: - */ - tmp = *(p++); - tmp |= __swab32(~0UL >> (32-offset)); - if(size < 32) - goto found_first; - if(~tmp) - goto found_middle; - size -= 32; - result += 32; - } - while(size & ~31UL) { - if(~(tmp = *(p++))) - goto found_middle; - result += 32; - size -= 32; - } - if(!size) - return result; - tmp = *p; - -found_first: - /* tmp is little endian, so we would have to swab the shift, - * see above. But then we have to swab tmp below for ffz, so - * we might as well do this here. - */ - return result + ffz(__swab32(tmp) | (~0UL << size)); -found_middle: - return result + ffz(__swab32(tmp)); -} -#endif - -#define ext2_set_bit_atomic(lock, nr, addr) \ - ({ \ - int ret; \ - spin_lock(lock); \ - ret = ext2_set_bit((nr), (addr)); \ - spin_unlock(lock); \ - ret; \ - }) - -#define ext2_clear_bit_atomic(lock, nr, addr) \ - ({ \ - int ret; \ - spin_lock(lock); \ - ret = ext2_clear_bit((nr), (addr)); \ - spin_unlock(lock); \ - ret; \ - }) - -/* Bitmap functions for the minix filesystem. */ -#define minix_test_and_set_bit(nr,addr) __test_and_set_bit(nr,addr) -#define minix_set_bit(nr,addr) __set_bit(nr,addr) -#define minix_test_and_clear_bit(nr,addr) __test_and_clear_bit(nr,addr) -#define minix_test_bit(nr,addr) test_bit(nr,addr) -#define minix_find_first_zero_bit(addr,size) find_first_zero_bit(addr,size) +#include <asm-generic/bitops/ext2-non-atomic.h> +#include <asm-generic/bitops/ext2-atomic.h> +#include <asm-generic/bitops/minix.h> #endif /* __KERNEL__ */ diff --git a/include/asm-m32r/mmzone.h b/include/asm-m32r/mmzone.h index adc7970a77ec..9f3b5accda88 100644 --- a/include/asm-m32r/mmzone.h +++ b/include/asm-m32r/mmzone.h @@ -21,20 +21,6 @@ extern struct pglist_data *node_data[]; __pgdat->node_start_pfn + __pgdat->node_spanned_pages - 1; \ }) -#define pfn_to_page(pfn) \ -({ \ - unsigned long __pfn = pfn; \ - int __node = pfn_to_nid(__pfn); \ - &NODE_DATA(__node)->node_mem_map[node_localnr(__pfn,__node)]; \ -}) - -#define page_to_pfn(pg) \ -({ \ - struct page *__page = pg; \ - struct zone *__zone = page_zone(__page); \ - (unsigned long)(__page - __zone->zone_mem_map) \ - + __zone->zone_start_pfn; \ -}) #define pmd_page(pmd) (pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT)) /* * pfn_valid should be made as fast as possible, and the current definition diff --git a/include/asm-m32r/page.h b/include/asm-m32r/page.h index 4ab578876361..9ddbc087dbc5 100644 --- a/include/asm-m32r/page.h +++ b/include/asm-m32r/page.h @@ -76,9 +76,7 @@ typedef struct { unsigned long pgprot; } pgprot_t; #ifndef CONFIG_DISCONTIGMEM #define PFN_BASE (CONFIG_MEMORY_START >> PAGE_SHIFT) -#define pfn_to_page(pfn) (mem_map + ((pfn) - PFN_BASE)) -#define page_to_pfn(page) \ - ((unsigned long)((page) - mem_map) + PFN_BASE) +#define ARCH_PFN_OFFSET PFN_BASE #define pfn_valid(pfn) (((pfn) - PFN_BASE) < max_mapnr) #endif /* !CONFIG_DISCONTIGMEM */ @@ -92,6 +90,7 @@ typedef struct { unsigned long pgprot; } pgprot_t; #endif /* __KERNEL__ */ +#include <asm-generic/memory_model.h> #include <asm-generic/page.h> #endif /* _ASM_M32R_PAGE_H */ diff --git a/include/asm-m32r/poll.h b/include/asm-m32r/poll.h index 43b7acf732d5..9e0e700e727c 100644 --- a/include/asm-m32r/poll.h +++ b/include/asm-m32r/poll.h @@ -21,6 +21,7 @@ #define POLLWRBAND 0x0200 #define POLLMSG 0x0400 #define POLLREMOVE 0x1000 +#define POLLRDHUP 0x2000 struct pollfd { int fd; diff --git a/include/asm-m32r/setup.h b/include/asm-m32r/setup.h index 5f028dc26a9b..52f4fa29abfc 100644 --- a/include/asm-m32r/setup.h +++ b/include/asm-m32r/setup.h @@ -24,10 +24,6 @@ #define RAMDISK_PROMPT_FLAG (0x8000) #define RAMDISK_LOAD_FLAG (0x4000) -#define PFN_UP(x) (((x) + PAGE_SIZE-1) >> PAGE_SHIFT) -#define PFN_DOWN(x) ((x) >> PAGE_SHIFT) -#define PFN_PHYS(x) ((x) << PAGE_SHIFT) - extern unsigned long memory_start; extern unsigned long memory_end; diff --git a/include/asm-m68k/bitops.h b/include/asm-m68k/bitops.h index 13f4c0048463..1a61fdb56aaf 100644 --- a/include/asm-m68k/bitops.h +++ b/include/asm-m68k/bitops.h @@ -310,36 +310,10 @@ static inline int fls(int x) return 32 - cnt; } -#define fls64(x) generic_fls64(x) -/* - * Every architecture must define this function. It's the fastest - * way of searching a 140-bit bitmap where the first 100 bits are - * unlikely to be set. It's guaranteed that at least one of the 140 - * bits is cleared. - */ -static inline int sched_find_first_bit(const unsigned long *b) -{ - if (unlikely(b[0])) - return __ffs(b[0]); - if (unlikely(b[1])) - return __ffs(b[1]) + 32; - if (unlikely(b[2])) - return __ffs(b[2]) + 64; - if (b[3]) - return __ffs(b[3]) + 96; - return __ffs(b[4]) + 128; -} - - -/* - * hweightN: returns the hamming weight (i.e. the number - * of bits set) of a N-bit word - */ - -#define hweight32(x) generic_hweight32(x) -#define hweight16(x) generic_hweight16(x) -#define hweight8(x) generic_hweight8(x) +#include <asm-generic/bitops/fls64.h> +#include <asm-generic/bitops/sched.h> +#include <asm-generic/bitops/hweight.h> /* Bitmap functions for the minix filesystem */ @@ -365,9 +339,9 @@ static inline int minix_find_first_zero_bit(const void *vaddr, unsigned size) return ((p - addr) << 4) + (res ^ 31); } -#define minix_test_and_set_bit(nr, addr) test_and_set_bit((nr) ^ 16, (unsigned long *)(addr)) -#define minix_set_bit(nr,addr) set_bit((nr) ^ 16, (unsigned long *)(addr)) -#define minix_test_and_clear_bit(nr, addr) test_and_clear_bit((nr) ^ 16, (unsigned long *)(addr)) +#define minix_test_and_set_bit(nr, addr) __test_and_set_bit((nr) ^ 16, (unsigned long *)(addr)) +#define minix_set_bit(nr,addr) __set_bit((nr) ^ 16, (unsigned long *)(addr)) +#define minix_test_and_clear_bit(nr, addr) __test_and_clear_bit((nr) ^ 16, (unsigned long *)(addr)) static inline int minix_test_bit(int nr, const void *vaddr) { @@ -377,9 +351,9 @@ static inline int minix_test_bit(int nr, const void *vaddr) /* Bitmap functions for the ext2 filesystem. */ -#define ext2_set_bit(nr, addr) test_and_set_bit((nr) ^ 24, (unsigned long *)(addr)) +#define ext2_set_bit(nr, addr) __test_and_set_bit((nr) ^ 24, (unsigned long *)(addr)) #define ext2_set_bit_atomic(lock, nr, addr) test_and_set_bit((nr) ^ 24, (unsigned long *)(addr)) -#define ext2_clear_bit(nr, addr) test_and_clear_bit((nr) ^ 24, (unsigned long *)(addr)) +#define ext2_clear_bit(nr, addr) __test_and_clear_bit((nr) ^ 24, (unsigned long *)(addr)) #define ext2_clear_bit_atomic(lock, nr, addr) test_and_clear_bit((nr) ^ 24, (unsigned long *)(addr)) static inline int ext2_test_bit(int nr, const void *vaddr) diff --git a/include/asm-m68k/poll.h b/include/asm-m68k/poll.h index c4b69c4a87e1..0fb8843647f8 100644 --- a/include/asm-m68k/poll.h +++ b/include/asm-m68k/poll.h @@ -13,6 +13,7 @@ #define POLLWRBAND 256 #define POLLMSG 0x0400 #define POLLREMOVE 0x1000 +#define POLLRDHUP 0x2000 struct pollfd { int fd; diff --git a/include/asm-m68k/stat.h b/include/asm-m68k/stat.h index c4c402a45e21..dd38bc2e9f98 100644 --- a/include/asm-m68k/stat.h +++ b/include/asm-m68k/stat.h @@ -60,8 +60,7 @@ struct stat64 { long long st_size; unsigned long st_blksize; - unsigned long __pad4; /* future possible st_blocks high bits */ - unsigned long st_blocks; /* Number 512-byte blocks allocated. */ + unsigned long long st_blocks; /* Number 512-byte blocks allocated. */ unsigned long st_atime; unsigned long st_atime_nsec; diff --git a/include/asm-m68knommu/bitops.h b/include/asm-m68knommu/bitops.h index 25d8a3cfef90..0b68ccd327f7 100644 --- a/include/asm-m68knommu/bitops.h +++ b/include/asm-m68knommu/bitops.h @@ -12,104 +12,10 @@ #ifdef __KERNEL__ -/* - * Generic ffs(). - */ -static inline int ffs(int x) -{ - int r = 1; - - if (!x) - return 0; - if (!(x & 0xffff)) { - x >>= 16; - r += 16; - } - if (!(x & 0xff)) { - x >>= 8; - r += 8; - } - if (!(x & 0xf)) { - x >>= 4; - r += 4; - } - if (!(x & 3)) { - x >>= 2; - r += 2; - } - if (!(x & 1)) { - x >>= 1; - r += 1; - } - return r; -} - -/* - * Generic __ffs(). - */ -static inline int __ffs(int x) -{ - int r = 0; - - if (!x) - return 0; - if (!(x & 0xffff)) { - x >>= 16; - r += 16; - } - if (!(x & 0xff)) { - x >>= 8; - r += 8; - } - if (!(x & 0xf)) { - x >>= 4; - r += 4; - } - if (!(x & 3)) { - x >>= 2; - r += 2; - } - if (!(x & 1)) { - x >>= 1; - r += 1; - } - return r; -} - -/* - * Every architecture must define this function. It's the fastest - * way of searching a 140-bit bitmap where the first 100 bits are - * unlikely to be set. It's guaranteed that at least one of the 140 - * bits is cleared. - */ -static inline int sched_find_first_bit(unsigned long *b) -{ - if (unlikely(b[0])) - return __ffs(b[0]); - if (unlikely(b[1])) - return __ffs(b[1]) + 32; - if (unlikely(b[2])) - return __ffs(b[2]) + 64; - if (b[3]) - return __ffs(b[3]) + 96; - return __ffs(b[4]) + 128; -} - -/* - * ffz = Find First Zero in word. Undefined if no zero exists, - * so code should check against ~0UL first.. - */ -static __inline__ unsigned long ffz(unsigned long word) -{ - unsigned long result = 0; - - while(word & 1) { - result++; - word >>= 1; - } - return result; -} - +#include <asm-generic/bitops/ffs.h> +#include <asm-generic/bitops/__ffs.h> +#include <asm-generic/bitops/sched.h> +#include <asm-generic/bitops/ffz.h> static __inline__ void set_bit(int nr, volatile unsigned long * addr) { @@ -254,98 +160,8 @@ static __inline__ int __test_bit(int nr, const volatile unsigned long * addr) __constant_test_bit((nr),(addr)) : \ __test_bit((nr),(addr))) -#define find_first_zero_bit(addr, size) \ - find_next_zero_bit((addr), (size), 0) -#define find_first_bit(addr, size) \ - find_next_bit((addr), (size), 0) - -static __inline__ int find_next_zero_bit (const void * addr, int size, int offset) -{ - unsigned long *p = ((unsigned long *) addr) + (offset >> 5); - unsigned long result = offset & ~31UL; - unsigned long tmp; - - if (offset >= size) - return size; - size -= result; - offset &= 31UL; - if (offset) { - tmp = *(p++); - tmp |= ~0UL >> (32-offset); - if (size < 32) - goto found_first; - if (~tmp) - goto found_middle; - size -= 32; - result += 32; - } - while (size & ~31UL) { - if (~(tmp = *(p++))) - goto found_middle; - result += 32; - size -= 32; - } - if (!size) - return result; - tmp = *p; - -found_first: - tmp |= ~0UL << size; -found_middle: - return result + ffz(tmp); -} - -/* - * Find next one bit in a bitmap reasonably efficiently. - */ -static __inline__ unsigned long find_next_bit(const unsigned long *addr, - unsigned long size, unsigned long offset) -{ - unsigned int *p = ((unsigned int *) addr) + (offset >> 5); - unsigned int result = offset & ~31UL; - unsigned int tmp; - - if (offset >= size) - return size; - size -= result; - offset &= 31UL; - if (offset) { - tmp = *p++; - tmp &= ~0UL << offset; - if (size < 32) - goto found_first; - if (tmp) - goto found_middle; - size -= 32; - result += 32; - } - while (size >= 32) { - if ((tmp = *p++) != 0) - goto found_middle; - result += 32; - size -= 32; - } - if (!size) - return result; - tmp = *p; - -found_first: - tmp &= ~0UL >> (32 - size); - if (tmp == 0UL) /* Are any bits set? */ - return result + size; /* Nope. */ -found_middle: - return result + __ffs(tmp); -} - -/* - * hweightN: returns the hamming weight (i.e. the number - * of bits set) of a N-bit word - */ - -#define hweight32(x) generic_hweight32(x) -#define hweight16(x) generic_hweight16(x) -#define hweight8(x) generic_hweight8(x) - +#include <asm-generic/bitops/find.h> +#include <asm-generic/bitops/hweight.h> static __inline__ int ext2_set_bit(int nr, volatile void * addr) { @@ -475,30 +291,11 @@ found_middle: return result + ffz(__swab32(tmp)); } -/* Bitmap functions for the minix filesystem. */ -#define minix_test_and_set_bit(nr,addr) test_and_set_bit(nr,addr) -#define minix_set_bit(nr,addr) set_bit(nr,addr) -#define minix_test_and_clear_bit(nr,addr) test_and_clear_bit(nr,addr) -#define minix_test_bit(nr,addr) test_bit(nr,addr) -#define minix_find_first_zero_bit(addr,size) find_first_zero_bit(addr,size) - -/** - * hweightN - returns the hamming weight of a N-bit word - * @x: the word to weigh - * - * The Hamming Weight of a number is the total number of bits set in it. - */ - -#define hweight32(x) generic_hweight32(x) -#define hweight16(x) generic_hweight16(x) -#define hweight8(x) generic_hweight8(x) +#include <asm-generic/bitops/minix.h> #endif /* __KERNEL__ */ -/* - * fls: find last bit set. - */ -#define fls(x) generic_fls(x) -#define fls64(x) generic_fls64(x) +#include <asm-generic/bitops/fls.h> +#include <asm-generic/bitops/fls64.h> #endif /* _M68KNOMMU_BITOPS_H */ diff --git a/include/asm-mips/bitops.h b/include/asm-mips/bitops.h index 8e802059fe67..a1728f8c0705 100644 --- a/include/asm-mips/bitops.h +++ b/include/asm-mips/bitops.h @@ -105,22 +105,6 @@ static inline void set_bit(unsigned long nr, volatile unsigned long *addr) } /* - * __set_bit - Set a bit in memory - * @nr: the bit to set - * @addr: the address to start counting from - * - * Unlike set_bit(), this function is non-atomic and may be reordered. - * If it's called on the same region of memory simultaneously, the effect - * may be that only one operation succeeds. - */ -static inline void __set_bit(unsigned long nr, volatile unsigned long * addr) -{ - unsigned long * m = ((unsigned long *) addr) + (nr >> SZLONG_LOG); - - *m |= 1UL << (nr & SZLONG_MASK); -} - -/* * clear_bit - Clears a bit in memory * @nr: Bit to clear * @addr: Address to start counting from @@ -169,22 +153,6 @@ static inline void clear_bit(unsigned long nr, volatile unsigned long *addr) } /* - * __clear_bit - Clears a bit in memory - * @nr: Bit to clear - * @addr: Address to start counting from - * - * Unlike clear_bit(), this function is non-atomic and may be reordered. - * If it's called on the same region of memory simultaneously, the effect - * may be that only one operation succeeds. - */ -static inline void __clear_bit(unsigned long nr, volatile unsigned long * addr) -{ - unsigned long * m = ((unsigned long *) addr) + (nr >> SZLONG_LOG); - - *m &= ~(1UL << (nr & SZLONG_MASK)); -} - -/* * change_bit - Toggle a bit in memory * @nr: Bit to change * @addr: Address to start counting from @@ -235,22 +203,6 @@ static inline void change_bit(unsigned long nr, volatile unsigned long *addr) } /* - * __change_bit - Toggle a bit in memory - * @nr: the bit to change - * @addr: the address to start counting from - * - * Unlike change_bit(), this function is non-atomic and may be reordered. - * If it's called on the same region of memory simultaneously, the effect - * may be that only one operation succeeds. - */ -static inline void __change_bit(unsigned long nr, volatile unsigned long * addr) -{ - unsigned long * m = ((unsigned long *) addr) + (nr >> SZLONG_LOG); - - *m ^= 1UL << (nr & SZLONG_MASK); -} - -/* * test_and_set_bit - Set a bit and return its old value * @nr: Bit to set * @addr: Address to count from @@ -321,30 +273,6 @@ static inline int test_and_set_bit(unsigned long nr, } /* - * __test_and_set_bit - Set a bit and return its old value - * @nr: Bit to set - * @addr: Address to count from - * - * This operation is non-atomic and can be reordered. - * If two examples of this operation race, one can appear to succeed - * but actually fail. You must protect multiple accesses with a lock. - */ -static inline int __test_and_set_bit(unsigned long nr, - volatile unsigned long *addr) -{ - volatile unsigned long *a = addr; - unsigned long mask; - int retval; - - a += nr >> SZLONG_LOG; - mask = 1UL << (nr & SZLONG_MASK); - retval = (mask & *a) != 0; - *a |= mask; - - return retval; -} - -/* * test_and_clear_bit - Clear a bit and return its old value * @nr: Bit to clear * @addr: Address to count from @@ -417,30 +345,6 @@ static inline int test_and_clear_bit(unsigned long nr, } /* - * __test_and_clear_bit - Clear a bit and return its old value - * @nr: Bit to clear - * @addr: Address to count from - * - * This operation is non-atomic and can be reordered. - * If two examples of this operation race, one can appear to succeed - * but actually fail. You must protect multiple accesses with a lock. - */ -static inline int __test_and_clear_bit(unsigned long nr, - volatile unsigned long * addr) -{ - volatile unsigned long *a = addr; - unsigned long mask; - int retval; - - a += (nr >> SZLONG_LOG); - mask = 1UL << (nr & SZLONG_MASK); - retval = ((mask & *a) != 0); - *a &= ~mask; - - return retval; -} - -/* * test_and_change_bit - Change a bit and return its old value * @nr: Bit to change * @addr: Address to count from @@ -509,43 +413,11 @@ static inline int test_and_change_bit(unsigned long nr, } } -/* - * __test_and_change_bit - Change a bit and return its old value - * @nr: Bit to change - * @addr: Address to count from - * - * This operation is non-atomic and can be reordered. - * If two examples of this operation race, one can appear to succeed - * but actually fail. You must protect multiple accesses with a lock. - */ -static inline int __test_and_change_bit(unsigned long nr, - volatile unsigned long *addr) -{ - volatile unsigned long *a = addr; - unsigned long mask; - int retval; - - a += (nr >> SZLONG_LOG); - mask = 1UL << (nr & SZLONG_MASK); - retval = ((mask & *a) != 0); - *a ^= mask; - - return retval; -} - #undef __bi_flags #undef __bi_local_irq_save #undef __bi_local_irq_restore -/* - * test_bit - Determine whether a bit is set - * @nr: bit number to test - * @addr: Address to start counting from - */ -static inline int test_bit(unsigned long nr, const volatile unsigned long *addr) -{ - return 1UL & (addr[nr >> SZLONG_LOG] >> (nr & SZLONG_MASK)); -} +#include <asm-generic/bitops/non-atomic.h> /* * Return the bit position (0..63) of the most significant 1 bit in a word @@ -580,6 +452,8 @@ static inline int __ilog2(unsigned long x) return 63 - lz; } +#if defined(CONFIG_CPU_MIPS32) || defined(CONFIG_CPU_MIPS64) + /* * __ffs - find first bit in word. * @word: The word to search @@ -589,31 +463,7 @@ static inline int __ilog2(unsigned long x) */ static inline unsigned long __ffs(unsigned long word) { -#if defined(CONFIG_CPU_MIPS32) || defined(CONFIG_CPU_MIPS64) return __ilog2(word & -word); -#else - int b = 0, s; - -#ifdef CONFIG_32BIT - s = 16; if (word << 16 != 0) s = 0; b += s; word >>= s; - s = 8; if (word << 24 != 0) s = 0; b += s; word >>= s; - s = 4; if (word << 28 != 0) s = 0; b += s; word >>= s; - s = 2; if (word << 30 != 0) s = 0; b += s; word >>= s; - s = 1; if (word << 31 != 0) s = 0; b += s; - - return b; -#endif -#ifdef CONFIG_64BIT - s = 32; if (word << 32 != 0) s = 0; b += s; word >>= s; - s = 16; if (word << 48 != 0) s = 0; b += s; word >>= s; - s = 8; if (word << 56 != 0) s = 0; b += s; word >>= s; - s = 4; if (word << 60 != 0) s = 0; b += s; word >>= s; - s = 2; if (word << 62 != 0) s = 0; b += s; word >>= s; - s = 1; if (word << 63 != 0) s = 0; b += s; - - return b; -#endif -#endif } /* @@ -652,321 +502,38 @@ static inline unsigned long ffz(unsigned long word) */ static inline unsigned long fls(unsigned long word) { -#ifdef CONFIG_32BIT #ifdef CONFIG_CPU_MIPS32 __asm__ ("clz %0, %1" : "=r" (word) : "r" (word)); return 32 - word; -#else - { - int r = 32, s; - - if (word == 0) - return 0; - - s = 16; if ((word & 0xffff0000)) s = 0; r -= s; word <<= s; - s = 8; if ((word & 0xff000000)) s = 0; r -= s; word <<= s; - s = 4; if ((word & 0xf0000000)) s = 0; r -= s; word <<= s; - s = 2; if ((word & 0xc0000000)) s = 0; r -= s; word <<= s; - s = 1; if ((word & 0x80000000)) s = 0; r -= s; - - return r; - } #endif -#endif /* CONFIG_32BIT */ -#ifdef CONFIG_64BIT #ifdef CONFIG_CPU_MIPS64 - __asm__ ("dclz %0, %1" : "=r" (word) : "r" (word)); return 64 - word; -#else - { - int r = 64, s; - - if (word == 0) - return 0; - - s = 32; if ((word & 0xffffffff00000000UL)) s = 0; r -= s; word <<= s; - s = 16; if ((word & 0xffff000000000000UL)) s = 0; r -= s; word <<= s; - s = 8; if ((word & 0xff00000000000000UL)) s = 0; r -= s; word <<= s; - s = 4; if ((word & 0xf000000000000000UL)) s = 0; r -= s; word <<= s; - s = 2; if ((word & 0xc000000000000000UL)) s = 0; r -= s; word <<= s; - s = 1; if ((word & 0x8000000000000000UL)) s = 0; r -= s; - - return r; - } #endif -#endif /* CONFIG_64BIT */ } -#define fls64(x) generic_fls64(x) - -/* - * find_next_zero_bit - find the first zero bit in a memory region - * @addr: The address to base the search on - * @offset: The bitnumber to start searching at - * @size: The maximum size to search - */ -static inline unsigned long find_next_zero_bit(const unsigned long *addr, - unsigned long size, unsigned long offset) -{ - const unsigned long *p = addr + (offset >> SZLONG_LOG); - unsigned long result = offset & ~SZLONG_MASK; - unsigned long tmp; - - if (offset >= size) - return size; - size -= result; - offset &= SZLONG_MASK; - if (offset) { - tmp = *(p++); - tmp |= ~0UL >> (_MIPS_SZLONG-offset); - if (size < _MIPS_SZLONG) - goto found_first; - if (~tmp) - goto found_middle; - size -= _MIPS_SZLONG; - result += _MIPS_SZLONG; - } - while (size & ~SZLONG_MASK) { - if (~(tmp = *(p++))) - goto found_middle; - result += _MIPS_SZLONG; - size -= _MIPS_SZLONG; - } - if (!size) - return result; - tmp = *p; - -found_first: - tmp |= ~0UL << size; - if (tmp == ~0UL) /* Are any bits zero? */ - return result + size; /* Nope. */ -found_middle: - return result + ffz(tmp); -} +#else -#define find_first_zero_bit(addr, size) \ - find_next_zero_bit((addr), (size), 0) +#include <asm-generic/bitops/__ffs.h> +#include <asm-generic/bitops/ffs.h> +#include <asm-generic/bitops/ffz.h> +#include <asm-generic/bitops/fls.h> -/* - * find_next_bit - find the next set bit in a memory region - * @addr: The address to base the search on - * @offset: The bitnumber to start searching at - * @size: The maximum size to search - */ -static inline unsigned long find_next_bit(const unsigned long *addr, - unsigned long size, unsigned long offset) -{ - const unsigned long *p = addr + (offset >> SZLONG_LOG); - unsigned long result = offset & ~SZLONG_MASK; - unsigned long tmp; - - if (offset >= size) - return size; - size -= result; - offset &= SZLONG_MASK; - if (offset) { - tmp = *(p++); - tmp &= ~0UL << offset; - if (size < _MIPS_SZLONG) - goto found_first; - if (tmp) - goto found_middle; - size -= _MIPS_SZLONG; - result += _MIPS_SZLONG; - } - while (size & ~SZLONG_MASK) { - if ((tmp = *(p++))) - goto found_middle; - result += _MIPS_SZLONG; - size -= _MIPS_SZLONG; - } - if (!size) - return result; - tmp = *p; - -found_first: - tmp &= ~0UL >> (_MIPS_SZLONG - size); - if (tmp == 0UL) /* Are any bits set? */ - return result + size; /* Nope. */ -found_middle: - return result + __ffs(tmp); -} +#endif /*defined(CONFIG_CPU_MIPS32) || defined(CONFIG_CPU_MIPS64) */ -/* - * find_first_bit - find the first set bit in a memory region - * @addr: The address to start the search at - * @size: The maximum size to search - * - * Returns the bit-number of the first set bit, not the number of the byte - * containing a bit. - */ -#define find_first_bit(addr, size) \ - find_next_bit((addr), (size), 0) +#include <asm-generic/bitops/fls64.h> +#include <asm-generic/bitops/find.h> #ifdef __KERNEL__ -/* - * Every architecture must define this function. It's the fastest - * way of searching a 140-bit bitmap where the first 100 bits are - * unlikely to be set. It's guaranteed that at least one of the 140 - * bits is cleared. - */ -static inline int sched_find_first_bit(const unsigned long *b) -{ -#ifdef CONFIG_32BIT - if (unlikely(b[0])) - return __ffs(b[0]); - if (unlikely(b[1])) - return __ffs(b[1]) + 32; - if (unlikely(b[2])) - return __ffs(b[2]) + 64; - if (b[3]) - return __ffs(b[3]) + 96; - return __ffs(b[4]) + 128; -#endif -#ifdef CONFIG_64BIT - if (unlikely(b[0])) - return __ffs(b[0]); - if (unlikely(b[1])) - return __ffs(b[1]) + 64; - return __ffs(b[2]) + 128; -#endif -} - -/* - * hweightN - returns the hamming weight of a N-bit word - * @x: the word to weigh - * - * The Hamming Weight of a number is the total number of bits set in it. - */ - -#define hweight64(x) generic_hweight64(x) -#define hweight32(x) generic_hweight32(x) -#define hweight16(x) generic_hweight16(x) -#define hweight8(x) generic_hweight8(x) - -static inline int __test_and_set_le_bit(unsigned long nr, unsigned long *addr) -{ - unsigned char *ADDR = (unsigned char *) addr; - int mask, retval; - - ADDR += nr >> 3; - mask = 1 << (nr & 0x07); - retval = (mask & *ADDR) != 0; - *ADDR |= mask; - - return retval; -} - -static inline int __test_and_clear_le_bit(unsigned long nr, unsigned long *addr) -{ - unsigned char *ADDR = (unsigned char *) addr; - int mask, retval; - - ADDR += nr >> 3; - mask = 1 << (nr & 0x07); - retval = (mask & *ADDR) != 0; - *ADDR &= ~mask; - - return retval; -} - -static inline int test_le_bit(unsigned long nr, const unsigned long * addr) -{ - const unsigned char *ADDR = (const unsigned char *) addr; - int mask; - - ADDR += nr >> 3; - mask = 1 << (nr & 0x07); - - return ((mask & *ADDR) != 0); -} - -static inline unsigned long find_next_zero_le_bit(unsigned long *addr, - unsigned long size, unsigned long offset) -{ - unsigned long *p = ((unsigned long *) addr) + (offset >> SZLONG_LOG); - unsigned long result = offset & ~SZLONG_MASK; - unsigned long tmp; - - if (offset >= size) - return size; - size -= result; - offset &= SZLONG_MASK; - if (offset) { - tmp = cpu_to_lelongp(p++); - tmp |= ~0UL >> (_MIPS_SZLONG-offset); /* bug or feature ? */ - if (size < _MIPS_SZLONG) - goto found_first; - if (~tmp) - goto found_middle; - size -= _MIPS_SZLONG; - result += _MIPS_SZLONG; - } - while (size & ~SZLONG_MASK) { - if (~(tmp = cpu_to_lelongp(p++))) - goto found_middle; - result += _MIPS_SZLONG; - size -= _MIPS_SZLONG; - } - if (!size) - return result; - tmp = cpu_to_lelongp(p); - -found_first: - tmp |= ~0UL << size; - if (tmp == ~0UL) /* Are any bits zero? */ - return result + size; /* Nope. */ - -found_middle: - return result + ffz(tmp); -} - -#define find_first_zero_le_bit(addr, size) \ - find_next_zero_le_bit((addr), (size), 0) - -#define ext2_set_bit(nr,addr) \ - __test_and_set_le_bit((nr),(unsigned long*)addr) -#define ext2_clear_bit(nr, addr) \ - __test_and_clear_le_bit((nr),(unsigned long*)addr) - #define ext2_set_bit_atomic(lock, nr, addr) \ -({ \ - int ret; \ - spin_lock(lock); \ - ret = ext2_set_bit((nr), (addr)); \ - spin_unlock(lock); \ - ret; \ -}) - -#define ext2_clear_bit_atomic(lock, nr, addr) \ -({ \ - int ret; \ - spin_lock(lock); \ - ret = ext2_clear_bit((nr), (addr)); \ - spin_unlock(lock); \ - ret; \ -}) -#define ext2_test_bit(nr, addr) test_le_bit((nr),(unsigned long*)addr) -#define ext2_find_first_zero_bit(addr, size) \ - find_first_zero_le_bit((unsigned long*)addr, size) -#define ext2_find_next_zero_bit(addr, size, off) \ - find_next_zero_le_bit((unsigned long*)addr, size, off) - -/* - * Bitmap functions for the minix filesystem. - * - * FIXME: These assume that Minix uses the native byte/bitorder. - * This limits the Minix filesystem's value for data exchange very much. - */ -#define minix_test_and_set_bit(nr,addr) test_and_set_bit(nr,addr) -#define minix_set_bit(nr,addr) set_bit(nr,addr) -#define minix_test_and_clear_bit(nr,addr) test_and_clear_bit(nr,addr) -#define minix_test_bit(nr,addr) test_bit(nr,addr) -#define minix_find_first_zero_bit(addr,size) find_first_zero_bit(addr,size) +#include <asm-generic/bitops/sched.h> +#include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/ext2-non-atomic.h> +#include <asm-generic/bitops/ext2-atomic.h> +#include <asm-generic/bitops/minix.h> #endif /* __KERNEL__ */ diff --git a/include/asm-mips/compat.h b/include/asm-mips/compat.h index 0012bd804d2d..986511db54a6 100644 --- a/include/asm-mips/compat.h +++ b/include/asm-mips/compat.h @@ -133,6 +133,11 @@ static inline void __user *compat_ptr(compat_uptr_t uptr) return (void __user *)(long)uptr; } +static inline compat_uptr_t ptr_to_compat(void __user *uptr) +{ + return (u32)(unsigned long)uptr; +} + static inline void __user *compat_alloc_user_space(long len) { struct pt_regs *regs = (struct pt_regs *) diff --git a/include/asm-mips/futex.h b/include/asm-mips/futex.h index 2454c44a8f54..a554089991f2 100644 --- a/include/asm-mips/futex.h +++ b/include/asm-mips/futex.h @@ -99,5 +99,11 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr) return ret; } +static inline int +futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval) +{ + return -ENOSYS; +} + #endif #endif diff --git a/include/asm-mips/mc146818-time.h b/include/asm-mips/mc146818-time.h index 47214861093b..41ac8d363c67 100644 --- a/include/asm-mips/mc146818-time.h +++ b/include/asm-mips/mc146818-time.h @@ -86,43 +86,14 @@ static inline int mc146818_set_rtc_mmss(unsigned long nowtime) return retval; } -/* - * Returns true if a clock update is in progress - */ -static inline unsigned char rtc_is_updating(void) -{ - unsigned char uip; - unsigned long flags; - - spin_lock_irqsave(&rtc_lock, flags); - uip = (CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP); - spin_unlock_irqrestore(&rtc_lock, flags); - return uip; -} - static inline unsigned long mc146818_get_cmos_time(void) { unsigned int year, mon, day, hour, min, sec; - int i; unsigned long flags; - /* - * The Linux interpretation of the CMOS clock register contents: - * When the Update-In-Progress (UIP) flag goes from 1 to 0, the - * RTC registers show the second which has precisely just started. - * Let's hope other operating systems interpret the RTC the same way. - */ - - /* read RTC exactly on falling edge of update flag */ - for (i = 0 ; i < 1000000 ; i++) /* may take up to 1 second... */ - if (rtc_is_updating()) - break; - for (i = 0 ; i < 1000000 ; i++) /* must try at least 2.228 ms */ - if (!rtc_is_updating()) - break; - spin_lock_irqsave(&rtc_lock, flags); - do { /* Isn't this overkill ? UIP above should guarantee consistency */ + + do { sec = CMOS_READ(RTC_SECONDS); min = CMOS_READ(RTC_MINUTES); hour = CMOS_READ(RTC_HOURS); diff --git a/include/asm-mips/mmzone.h b/include/asm-mips/mmzone.h index 011caebac369..7bde4432092b 100644 --- a/include/asm-mips/mmzone.h +++ b/include/asm-mips/mmzone.h @@ -22,20 +22,6 @@ NODE_DATA(__n)->node_spanned_pages) : 0);\ }) -#define pfn_to_page(pfn) \ -({ \ - unsigned long __pfn = (pfn); \ - pg_data_t *__pg = NODE_DATA(pfn_to_nid(__pfn)); \ - __pg->node_mem_map + (__pfn - __pg->node_start_pfn); \ -}) - -#define page_to_pfn(p) \ -({ \ - struct page *__p = (p); \ - struct zone *__z = page_zone(__p); \ - ((__p - __z->zone_mem_map) + __z->zone_start_pfn); \ -}) - /* XXX: FIXME -- wli */ #define kern_addr_valid(addr) (0) diff --git a/include/asm-mips/page.h b/include/asm-mips/page.h index ee25a779bf49..a1eab136ff6c 100644 --- a/include/asm-mips/page.h +++ b/include/asm-mips/page.h @@ -140,8 +140,6 @@ typedef struct { unsigned long pgprot; } pgprot_t; #define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT) #ifndef CONFIG_NEED_MULTIPLE_NODES -#define pfn_to_page(pfn) (mem_map + (pfn)) -#define page_to_pfn(page) ((unsigned long)((page) - mem_map)) #define pfn_valid(pfn) ((pfn) < max_mapnr) #endif @@ -160,6 +158,7 @@ typedef struct { unsigned long pgprot; } pgprot_t; #define WANT_PAGE_VIRTUAL #endif +#include <asm-generic/memory_model.h> #include <asm-generic/page.h> #endif /* _ASM_PAGE_H */ diff --git a/include/asm-mips/poll.h b/include/asm-mips/poll.h index a000f1f789e3..70881f8c5c50 100644 --- a/include/asm-mips/poll.h +++ b/include/asm-mips/poll.h @@ -17,6 +17,7 @@ /* These seem to be more or less nonstandard ... */ #define POLLMSG 0x0400 #define POLLREMOVE 0x1000 +#define POLLRDHUP 0x2000 struct pollfd { int fd; diff --git a/include/asm-mips/serial.h b/include/asm-mips/serial.h index e796d75f027e..7b2366412203 100644 --- a/include/asm-mips/serial.h +++ b/include/asm-mips/serial.h @@ -103,88 +103,6 @@ #define IVR_SERIAL_PORT_DEFNS #endif -#ifdef CONFIG_SERIAL_AU1X00 -#include <asm/mach-au1x00/au1000.h> -#ifdef CONFIG_SOC_AU1000 -#define AU1000_SERIAL_PORT_DEFNS \ - { .baud_base = 0, .port = UART0_ADDR, \ - .iomem_base = (unsigned char *)UART0_ADDR, \ - .irq = AU1000_UART0_INT, .flags = STD_COM_FLAGS, \ - .iomem_reg_shift = 2 }, \ - { .baud_base = 0, .port = UART1_ADDR, \ - .iomem_base = (unsigned char *)UART1_ADDR, \ - .irq = AU1000_UART1_INT, .flags = STD_COM_FLAGS, \ - .iomem_reg_shift = 2 }, \ - { .baud_base = 0, .port = UART2_ADDR, \ - .iomem_base = (unsigned char *)UART2_ADDR, \ - .irq = AU1000_UART2_INT, .flags = STD_COM_FLAGS, \ - .iomem_reg_shift = 2 }, \ - { .baud_base = 0, .port = UART3_ADDR, \ - .iomem_base = (unsigned char *)UART3_ADDR, \ - .irq = AU1000_UART3_INT, .flags = STD_COM_FLAGS, \ - .iomem_reg_shift = 2 }, -#endif - -#ifdef CONFIG_SOC_AU1500 -#define AU1000_SERIAL_PORT_DEFNS \ - { .baud_base = 0, .port = UART0_ADDR, \ - .iomem_base = (unsigned char *)UART0_ADDR, \ - .irq = AU1500_UART0_INT, .flags = STD_COM_FLAGS, \ - .iomem_reg_shift = 2 }, \ - { .baud_base = 0, .port = UART3_ADDR, \ - .iomem_base = (unsigned char *)UART3_ADDR, \ - .irq = AU1500_UART3_INT, .flags = STD_COM_FLAGS, \ - .iomem_reg_shift = 2 }, -#endif - -#ifdef CONFIG_SOC_AU1100 -#define AU1000_SERIAL_PORT_DEFNS \ - { .baud_base = 0, .port = UART0_ADDR, \ - .iomem_base = (unsigned char *)UART0_ADDR, \ - .irq = AU1100_UART0_INT, .flags = STD_COM_FLAGS, \ - .iomem_reg_shift = 2 }, \ - { .baud_base = 0, .port = UART1_ADDR, \ - .iomem_base = (unsigned char *)UART1_ADDR, \ - .irq = AU1100_UART1_INT, .flags = STD_COM_FLAGS, \ - .iomem_reg_shift = 2 }, \ - { .baud_base = 0, .port = UART3_ADDR, \ - .iomem_base = (unsigned char *)UART3_ADDR, \ - .irq = AU1100_UART3_INT, .flags = STD_COM_FLAGS, \ - .iomem_reg_shift = 2 }, -#endif - -#ifdef CONFIG_SOC_AU1550 -#define AU1000_SERIAL_PORT_DEFNS \ - { .baud_base = 0, .port = UART0_ADDR, \ - .iomem_base = (unsigned char *)UART0_ADDR, \ - .irq = AU1550_UART0_INT, .flags = STD_COM_FLAGS, \ - .iomem_reg_shift = 2 }, \ - { .baud_base = 0, .port = UART1_ADDR, \ - .iomem_base = (unsigned char *)UART1_ADDR, \ - .irq = AU1550_UART1_INT, .flags = STD_COM_FLAGS, \ - .iomem_reg_shift = 2 }, \ - { .baud_base = 0, .port = UART3_ADDR, \ - .iomem_base = (unsigned char *)UART3_ADDR, \ - .irq = AU1550_UART3_INT, .flags = STD_COM_FLAGS,\ - .iomem_reg_shift = 2 }, -#endif - -#ifdef CONFIG_SOC_AU1200 -#define AU1000_SERIAL_PORT_DEFNS \ - { .baud_base = 0, .port = UART0_ADDR, \ - .iomem_base = (unsigned char *)UART0_ADDR, \ - .irq = AU1200_UART0_INT, .flags = STD_COM_FLAGS, \ - .iomem_reg_shift = 2 }, \ - { .baud_base = 0, .port = UART1_ADDR, \ - .iomem_base = (unsigned char *)UART1_ADDR, \ - .irq = AU1200_UART1_INT, .flags = STD_COM_FLAGS, \ - .iomem_reg_shift = 2 }, -#endif - -#else -#define AU1000_SERIAL_PORT_DEFNS -#endif - #ifdef CONFIG_HAVE_STD_PC_SERIAL_PORT #define STD_SERIAL_PORT_DEFNS \ /* UART CLK PORT IRQ FLAGS */ \ @@ -331,7 +249,6 @@ MOMENCO_OCELOT_G_SERIAL_PORT_DEFNS \ MOMENCO_OCELOT_C_SERIAL_PORT_DEFNS \ MOMENCO_OCELOT_SERIAL_PORT_DEFNS \ - MOMENCO_OCELOT_3_SERIAL_PORT_DEFNS \ - AU1000_SERIAL_PORT_DEFNS + MOMENCO_OCELOT_3_SERIAL_PORT_DEFNS #endif /* _ASM_SERIAL_H */ diff --git a/include/asm-mips/time.h b/include/asm-mips/time.h index 9cc3564cc2c9..d897c8bb554d 100644 --- a/include/asm-mips/time.h +++ b/include/asm-mips/time.h @@ -26,14 +26,14 @@ extern spinlock_t rtc_lock; /* * RTC ops. By default, they point to no-RTC functions. - * rtc_get_time - mktime(year, mon, day, hour, min, sec) in seconds. - * rtc_set_time - reverse the above translation and set time to RTC. - * rtc_set_mmss - similar to rtc_set_time, but only min and sec need + * rtc_mips_get_time - mktime(year, mon, day, hour, min, sec) in seconds. + * rtc_mips_set_time - reverse the above translation and set time to RTC. + * rtc_mips_set_mmss - similar to rtc_set_time, but only min and sec need * to be set. Used by RTC sync-up. */ -extern unsigned long (*rtc_get_time)(void); -extern int (*rtc_set_time)(unsigned long); -extern int (*rtc_set_mmss)(unsigned long); +extern unsigned long (*rtc_mips_get_time)(void); +extern int (*rtc_mips_set_time)(unsigned long); +extern int (*rtc_mips_set_mmss)(unsigned long); /* * Timer interrupt functions. diff --git a/include/asm-mips/types.h b/include/asm-mips/types.h index 421b3aea14cc..cd2813d8e136 100644 --- a/include/asm-mips/types.h +++ b/include/asm-mips/types.h @@ -99,6 +99,11 @@ typedef u64 sector_t; #define HAVE_SECTOR_T #endif +#ifdef CONFIG_LSF +typedef u64 blkcnt_t; +#define HAVE_BLKCNT_T +#endif + #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ diff --git a/include/asm-parisc/bitops.h b/include/asm-parisc/bitops.h index 15d8c2b51584..900561922c4c 100644 --- a/include/asm-parisc/bitops.h +++ b/include/asm-parisc/bitops.h @@ -35,13 +35,6 @@ static __inline__ void set_bit(int nr, volatile unsigned long * addr) _atomic_spin_unlock_irqrestore(addr, flags); } -static __inline__ void __set_bit(unsigned long nr, volatile unsigned long * addr) -{ - unsigned long *m = (unsigned long *) addr + (nr >> SHIFT_PER_LONG); - - *m |= 1UL << CHOP_SHIFTCOUNT(nr); -} - static __inline__ void clear_bit(int nr, volatile unsigned long * addr) { unsigned long mask = ~(1UL << CHOP_SHIFTCOUNT(nr)); @@ -53,13 +46,6 @@ static __inline__ void clear_bit(int nr, volatile unsigned long * addr) _atomic_spin_unlock_irqrestore(addr, flags); } -static __inline__ void __clear_bit(unsigned long nr, volatile unsigned long * addr) -{ - unsigned long *m = (unsigned long *) addr + (nr >> SHIFT_PER_LONG); - - *m &= ~(1UL << CHOP_SHIFTCOUNT(nr)); -} - static __inline__ void change_bit(int nr, volatile unsigned long * addr) { unsigned long mask = 1UL << CHOP_SHIFTCOUNT(nr); @@ -71,13 +57,6 @@ static __inline__ void change_bit(int nr, volatile unsigned long * addr) _atomic_spin_unlock_irqrestore(addr, flags); } -static __inline__ void __change_bit(unsigned long nr, volatile unsigned long * addr) -{ - unsigned long *m = (unsigned long *) addr + (nr >> SHIFT_PER_LONG); - - *m ^= 1UL << CHOP_SHIFTCOUNT(nr); -} - static __inline__ int test_and_set_bit(int nr, volatile unsigned long * addr) { unsigned long mask = 1UL << CHOP_SHIFTCOUNT(nr); @@ -93,18 +72,6 @@ static __inline__ int test_and_set_bit(int nr, volatile unsigned long * addr) return (oldbit & mask) ? 1 : 0; } -static __inline__ int __test_and_set_bit(int nr, volatile unsigned long * address) -{ - unsigned long mask = 1UL << CHOP_SHIFTCOUNT(nr); - unsigned long oldbit; - unsigned long *addr = (unsigned long *)address + (nr >> SHIFT_PER_LONG); - - oldbit = *addr; - *addr = oldbit | mask; - - return (oldbit & mask) ? 1 : 0; -} - static __inline__ int test_and_clear_bit(int nr, volatile unsigned long * addr) { unsigned long mask = 1UL << CHOP_SHIFTCOUNT(nr); @@ -120,18 +87,6 @@ static __inline__ int test_and_clear_bit(int nr, volatile unsigned long * addr) return (oldbit & mask) ? 1 : 0; } -static __inline__ int __test_and_clear_bit(int nr, volatile unsigned long * address) -{ - unsigned long mask = 1UL << CHOP_SHIFTCOUNT(nr); - unsigned long *addr = (unsigned long *)address + (nr >> SHIFT_PER_LONG); - unsigned long oldbit; - - oldbit = *addr; - *addr = oldbit & ~mask; - - return (oldbit & mask) ? 1 : 0; -} - static __inline__ int test_and_change_bit(int nr, volatile unsigned long * addr) { unsigned long mask = 1UL << CHOP_SHIFTCOUNT(nr); @@ -147,25 +102,7 @@ static __inline__ int test_and_change_bit(int nr, volatile unsigned long * addr) return (oldbit & mask) ? 1 : 0; } -static __inline__ int __test_and_change_bit(int nr, volatile unsigned long * address) -{ - unsigned long mask = 1UL << CHOP_SHIFTCOUNT(nr); - unsigned long *addr = (unsigned long *)address + (nr >> SHIFT_PER_LONG); - unsigned long oldbit; - - oldbit = *addr; - *addr = oldbit ^ mask; - - return (oldbit & mask) ? 1 : 0; -} - -static __inline__ int test_bit(int nr, const volatile unsigned long *address) -{ - unsigned long mask = 1UL << CHOP_SHIFTCOUNT(nr); - const unsigned long *addr = (const unsigned long *)address + (nr >> SHIFT_PER_LONG); - - return !!(*addr & mask); -} +#include <asm-generic/bitops/non-atomic.h> #ifdef __KERNEL__ @@ -219,8 +156,7 @@ static __inline__ unsigned long __ffs(unsigned long x) return ret; } -/* Undefined if no bit is zero. */ -#define ffz(x) __ffs(~x) +#include <asm-generic/bitops/ffz.h> /* * ffs: find first bit set. returns 1 to BITS_PER_LONG or 0 (if none set) @@ -263,155 +199,22 @@ static __inline__ int fls(int x) return ret; } -#define fls64(x) generic_fls64(x) -/* - * hweightN: returns the hamming weight (i.e. the number - * of bits set) of a N-bit word - */ -#define hweight64(x) generic_hweight64(x) -#define hweight32(x) generic_hweight32(x) -#define hweight16(x) generic_hweight16(x) -#define hweight8(x) generic_hweight8(x) - -/* - * Every architecture must define this function. It's the fastest - * way of searching a 140-bit bitmap where the first 100 bits are - * unlikely to be set. It's guaranteed that at least one of the 140 - * bits is cleared. - */ -static inline int sched_find_first_bit(const unsigned long *b) -{ -#ifdef __LP64__ - if (unlikely(b[0])) - return __ffs(b[0]); - if (unlikely(b[1])) - return __ffs(b[1]) + 64; - return __ffs(b[2]) + 128; -#else - if (unlikely(b[0])) - return __ffs(b[0]); - if (unlikely(b[1])) - return __ffs(b[1]) + 32; - if (unlikely(b[2])) - return __ffs(b[2]) + 64; - if (b[3]) - return __ffs(b[3]) + 96; - return __ffs(b[4]) + 128; -#endif -} +#include <asm-generic/bitops/fls64.h> +#include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/sched.h> #endif /* __KERNEL__ */ -/* - * This implementation of find_{first,next}_zero_bit was stolen from - * Linus' asm-alpha/bitops.h. - */ -#define find_first_zero_bit(addr, size) \ - find_next_zero_bit((addr), (size), 0) - -static __inline__ unsigned long find_next_zero_bit(const void * addr, unsigned long size, unsigned long offset) -{ - const unsigned long * p = ((unsigned long *) addr) + (offset >> SHIFT_PER_LONG); - unsigned long result = offset & ~(BITS_PER_LONG-1); - unsigned long tmp; - - if (offset >= size) - return size; - size -= result; - offset &= (BITS_PER_LONG-1); - if (offset) { - tmp = *(p++); - tmp |= ~0UL >> (BITS_PER_LONG-offset); - if (size < BITS_PER_LONG) - goto found_first; - if (~tmp) - goto found_middle; - size -= BITS_PER_LONG; - result += BITS_PER_LONG; - } - while (size & ~(BITS_PER_LONG -1)) { - if (~(tmp = *(p++))) - goto found_middle; - result += BITS_PER_LONG; - size -= BITS_PER_LONG; - } - if (!size) - return result; - tmp = *p; -found_first: - tmp |= ~0UL << size; -found_middle: - return result + ffz(tmp); -} - -static __inline__ unsigned long find_next_bit(const unsigned long *addr, unsigned long size, unsigned long offset) -{ - const unsigned long *p = addr + (offset >> SHIFT_PER_LONG); - unsigned long result = offset & ~(BITS_PER_LONG-1); - unsigned long tmp; - - if (offset >= size) - return size; - size -= result; - offset &= (BITS_PER_LONG-1); - if (offset) { - tmp = *(p++); - tmp &= (~0UL << offset); - if (size < BITS_PER_LONG) - goto found_first; - if (tmp) - goto found_middle; - size -= BITS_PER_LONG; - result += BITS_PER_LONG; - } - while (size & ~(BITS_PER_LONG-1)) { - if ((tmp = *(p++))) - goto found_middle; - result += BITS_PER_LONG; - size -= BITS_PER_LONG; - } - if (!size) - return result; - tmp = *p; - -found_first: - tmp &= (~0UL >> (BITS_PER_LONG - size)); - if (tmp == 0UL) /* Are any bits set? */ - return result + size; /* Nope. */ -found_middle: - return result + __ffs(tmp); -} - -/** - * find_first_bit - find the first set bit in a memory region - * @addr: The address to start the search at - * @size: The maximum size to search - * - * Returns the bit-number of the first set bit, not the number of the byte - * containing a bit. - */ -#define find_first_bit(addr, size) \ - find_next_bit((addr), (size), 0) - -#define _EXT2_HAVE_ASM_BITOPS_ +#include <asm-generic/bitops/find.h> #ifdef __KERNEL__ -/* - * test_and_{set,clear}_bit guarantee atomicity without - * disabling interrupts. - */ + +#include <asm-generic/bitops/ext2-non-atomic.h> /* '3' is bits per byte */ #define LE_BYTE_ADDR ((sizeof(unsigned long) - 1) << 3) -#define ext2_test_bit(nr, addr) \ - test_bit((nr) ^ LE_BYTE_ADDR, (unsigned long *)addr) -#define ext2_set_bit(nr, addr) \ - __test_and_set_bit((nr) ^ LE_BYTE_ADDR, (unsigned long *)addr) -#define ext2_clear_bit(nr, addr) \ - __test_and_clear_bit((nr) ^ LE_BYTE_ADDR, (unsigned long *)addr) - #define ext2_set_bit_atomic(l,nr,addr) \ test_and_set_bit((nr) ^ LE_BYTE_ADDR, (unsigned long *)addr) #define ext2_clear_bit_atomic(l,nr,addr) \ @@ -419,77 +222,6 @@ found_middle: #endif /* __KERNEL__ */ - -#define ext2_find_first_zero_bit(addr, size) \ - ext2_find_next_zero_bit((addr), (size), 0) - -/* include/linux/byteorder does not support "unsigned long" type */ -static inline unsigned long ext2_swabp(unsigned long * x) -{ -#ifdef __LP64__ - return (unsigned long) __swab64p((u64 *) x); -#else - return (unsigned long) __swab32p((u32 *) x); -#endif -} - -/* include/linux/byteorder doesn't support "unsigned long" type */ -static inline unsigned long ext2_swab(unsigned long y) -{ -#ifdef __LP64__ - return (unsigned long) __swab64((u64) y); -#else - return (unsigned long) __swab32((u32) y); -#endif -} - -static __inline__ unsigned long ext2_find_next_zero_bit(void *addr, unsigned long size, unsigned long offset) -{ - unsigned long *p = (unsigned long *) addr + (offset >> SHIFT_PER_LONG); - unsigned long result = offset & ~(BITS_PER_LONG - 1); - unsigned long tmp; - - if (offset >= size) - return size; - size -= result; - offset &= (BITS_PER_LONG - 1UL); - if (offset) { - tmp = ext2_swabp(p++); - tmp |= (~0UL >> (BITS_PER_LONG - offset)); - if (size < BITS_PER_LONG) - goto found_first; - if (~tmp) - goto found_middle; - size -= BITS_PER_LONG; - result += BITS_PER_LONG; - } - - while (size & ~(BITS_PER_LONG - 1)) { - if (~(tmp = *(p++))) - goto found_middle_swap; - result += BITS_PER_LONG; - size -= BITS_PER_LONG; - } - if (!size) - return result; - tmp = ext2_swabp(p); -found_first: - tmp |= ~0UL << size; - if (tmp == ~0UL) /* Are any bits zero? */ - return result + size; /* Nope. Skip ffz */ -found_middle: - return result + ffz(tmp); - -found_middle_swap: - return result + ffz(ext2_swab(tmp)); -} - - -/* Bitmap functions for the minix filesystem. */ -#define minix_test_and_set_bit(nr,addr) ext2_set_bit(nr,addr) -#define minix_set_bit(nr,addr) ((void)ext2_set_bit(nr,addr)) -#define minix_test_and_clear_bit(nr,addr) ext2_clear_bit(nr,addr) -#define minix_test_bit(nr,addr) ext2_test_bit(nr,addr) -#define minix_find_first_zero_bit(addr,size) ext2_find_first_zero_bit(addr,size) +#include <asm-generic/bitops/minix-le.h> #endif /* _PARISC_BITOPS_H */ diff --git a/include/asm-parisc/compat.h b/include/asm-parisc/compat.h index 38b918feead9..289624d8b2d4 100644 --- a/include/asm-parisc/compat.h +++ b/include/asm-parisc/compat.h @@ -138,6 +138,11 @@ static inline void __user *compat_ptr(compat_uptr_t uptr) return (void __user *)(unsigned long)uptr; } +static inline compat_uptr_t ptr_to_compat(void __user *uptr) +{ + return (u32)(unsigned long)uptr; +} + static __inline__ void __user *compat_alloc_user_space(long len) { struct pt_regs *regs = ¤t->thread.regs; diff --git a/include/asm-parisc/mmzone.h b/include/asm-parisc/mmzone.h index ae039f4fd711..ceb9b73199d1 100644 --- a/include/asm-parisc/mmzone.h +++ b/include/asm-parisc/mmzone.h @@ -25,23 +25,6 @@ extern struct node_map_data node_data[]; pg_data_t *__pgdat = NODE_DATA(nid); \ __pgdat->node_start_pfn + __pgdat->node_spanned_pages; \ }) -#define node_localnr(pfn, nid) ((pfn) - node_start_pfn(nid)) - -#define pfn_to_page(pfn) \ -({ \ - unsigned long __pfn = (pfn); \ - int __node = pfn_to_nid(__pfn); \ - &NODE_DATA(__node)->node_mem_map[node_localnr(__pfn,__node)]; \ -}) - -#define page_to_pfn(pg) \ -({ \ - struct page *__page = pg; \ - struct zone *__zone = page_zone(__page); \ - BUG_ON(__zone == NULL); \ - (unsigned long)(__page - __zone->zone_mem_map) \ - + __zone->zone_start_pfn; \ -}) /* We have these possible memory map layouts: * Astro: 0-3.75, 67.75-68, 4-64 diff --git a/include/asm-parisc/page.h b/include/asm-parisc/page.h index 4a6752b0afed..9f303c0c3cd7 100644 --- a/include/asm-parisc/page.h +++ b/include/asm-parisc/page.h @@ -130,8 +130,6 @@ extern int npmem_ranges; #define __va(x) ((void *)((unsigned long)(x)+PAGE_OFFSET)) #ifndef CONFIG_DISCONTIGMEM -#define pfn_to_page(pfn) (mem_map + (pfn)) -#define page_to_pfn(page) ((unsigned long)((page) - mem_map)) #define pfn_valid(pfn) ((pfn) < max_mapnr) #endif /* CONFIG_DISCONTIGMEM */ @@ -152,6 +150,7 @@ extern int npmem_ranges; #endif /* __KERNEL__ */ +#include <asm-generic/memory_model.h> #include <asm-generic/page.h> #endif /* _PARISC_PAGE_H */ diff --git a/include/asm-parisc/pdc.h b/include/asm-parisc/pdc.h index 8e23e4c674f6..0a3face6c480 100644 --- a/include/asm-parisc/pdc.h +++ b/include/asm-parisc/pdc.h @@ -333,7 +333,7 @@ struct pdc_model { /* for PDC_MODEL */ unsigned long curr_key; }; -/* Values for PDC_MODEL_CAPABILITES non-equivalent virtual aliasing support */ +/* Values for PDC_MODEL_CAPABILITIES non-equivalent virtual aliasing support */ #define PDC_MODEL_IOPDIR_FDC (1 << 2) /* see sba_iommu.c */ #define PDC_MODEL_NVA_MASK (3 << 4) diff --git a/include/asm-parisc/poll.h b/include/asm-parisc/poll.h index 1c1da86934cf..20e4d03c74cb 100644 --- a/include/asm-parisc/poll.h +++ b/include/asm-parisc/poll.h @@ -16,6 +16,7 @@ #define POLLWRBAND 0x0200 #define POLLMSG 0x0400 #define POLLREMOVE 0x1000 +#define POLLRDHUP 0x2000 struct pollfd { int fd; diff --git a/include/asm-powerpc/bitops.h b/include/asm-powerpc/bitops.h index bf6941a810b8..d1c2a4405660 100644 --- a/include/asm-powerpc/bitops.h +++ b/include/asm-powerpc/bitops.h @@ -184,72 +184,7 @@ static __inline__ void set_bits(unsigned long mask, unsigned long *addr) : "cc"); } -/* Non-atomic versions */ -static __inline__ int test_bit(unsigned long nr, - __const__ volatile unsigned long *addr) -{ - return 1UL & (addr[BITOP_WORD(nr)] >> (nr & (BITS_PER_LONG-1))); -} - -static __inline__ void __set_bit(unsigned long nr, - volatile unsigned long *addr) -{ - unsigned long mask = BITOP_MASK(nr); - unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); - - *p |= mask; -} - -static __inline__ void __clear_bit(unsigned long nr, - volatile unsigned long *addr) -{ - unsigned long mask = BITOP_MASK(nr); - unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); - - *p &= ~mask; -} - -static __inline__ void __change_bit(unsigned long nr, - volatile unsigned long *addr) -{ - unsigned long mask = BITOP_MASK(nr); - unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); - - *p ^= mask; -} - -static __inline__ int __test_and_set_bit(unsigned long nr, - volatile unsigned long *addr) -{ - unsigned long mask = BITOP_MASK(nr); - unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); - unsigned long old = *p; - - *p = old | mask; - return (old & mask) != 0; -} - -static __inline__ int __test_and_clear_bit(unsigned long nr, - volatile unsigned long *addr) -{ - unsigned long mask = BITOP_MASK(nr); - unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); - unsigned long old = *p; - - *p = old & ~mask; - return (old & mask) != 0; -} - -static __inline__ int __test_and_change_bit(unsigned long nr, - volatile unsigned long *addr) -{ - unsigned long mask = BITOP_MASK(nr); - unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); - unsigned long old = *p; - - *p = old ^ mask; - return (old & mask) != 0; -} +#include <asm-generic/bitops/non-atomic.h> /* * Return the zero-based bit position (LE, not IBM bit numbering) of @@ -310,16 +245,9 @@ static __inline__ int fls(unsigned int x) asm ("cntlzw %0,%1" : "=r" (lz) : "r" (x)); return 32 - lz; } -#define fls64(x) generic_fls64(x) +#include <asm-generic/bitops/fls64.h> -/* - * hweightN: returns the hamming weight (i.e. the number - * of bits set) of a N-bit word - */ -#define hweight64(x) generic_hweight64(x) -#define hweight32(x) generic_hweight32(x) -#define hweight16(x) generic_hweight16(x) -#define hweight8(x) generic_hweight8(x) +#include <asm-generic/bitops/hweight.h> #define find_first_zero_bit(addr, size) find_next_zero_bit((addr), (size), 0) unsigned long find_next_zero_bit(const unsigned long *addr, @@ -397,32 +325,7 @@ unsigned long find_next_zero_le_bit(const unsigned long *addr, #define minix_find_first_zero_bit(addr,size) \ find_first_zero_le_bit((unsigned long *)addr, size) -/* - * Every architecture must define this function. It's the fastest - * way of searching a 140-bit bitmap where the first 100 bits are - * unlikely to be set. It's guaranteed that at least one of the 140 - * bits is cleared. - */ -static inline int sched_find_first_bit(const unsigned long *b) -{ -#ifdef CONFIG_PPC64 - if (unlikely(b[0])) - return __ffs(b[0]); - if (unlikely(b[1])) - return __ffs(b[1]) + 64; - return __ffs(b[2]) + 128; -#else - if (unlikely(b[0])) - return __ffs(b[0]); - if (unlikely(b[1])) - return __ffs(b[1]) + 32; - if (unlikely(b[2])) - return __ffs(b[2]) + 64; - if (b[3]) - return __ffs(b[3]) + 96; - return __ffs(b[4]) + 128; -#endif -} +#include <asm-generic/bitops/sched.h> #endif /* __KERNEL__ */ diff --git a/include/asm-powerpc/bug.h b/include/asm-powerpc/bug.h index 99817a802ca4..f44b529e3298 100644 --- a/include/asm-powerpc/bug.h +++ b/include/asm-powerpc/bug.h @@ -30,34 +30,60 @@ struct bug_entry *find_bug(unsigned long bugaddr); #ifdef CONFIG_BUG +/* + * BUG_ON() and WARN_ON() do their best to cooperate with compile-time + * optimisations. However depending on the complexity of the condition + * some compiler versions may not produce optimal results. + */ + #define BUG() do { \ __asm__ __volatile__( \ "1: twi 31,0,0\n" \ ".section __bug_table,\"a\"\n" \ - "\t"PPC_LONG" 1b,%0,%1,%2\n" \ + "\t"PPC_LONG" 1b,%0,%1,%2\n" \ ".previous" \ : : "i" (__LINE__), "i" (__FILE__), "i" (__FUNCTION__)); \ } while (0) #define BUG_ON(x) do { \ - __asm__ __volatile__( \ + if (__builtin_constant_p(x)) { \ + if (x) \ + BUG(); \ + } else { \ + __asm__ __volatile__( \ "1: "PPC_TLNEI" %0,0\n" \ ".section __bug_table,\"a\"\n" \ - "\t"PPC_LONG" 1b,%1,%2,%3\n" \ + "\t"PPC_LONG" 1b,%1,%2,%3\n" \ ".previous" \ : : "r" ((long)(x)), "i" (__LINE__), \ "i" (__FILE__), "i" (__FUNCTION__)); \ + } \ } while (0) -#define WARN_ON(x) do { \ +#define __WARN() do { \ __asm__ __volatile__( \ + "1: twi 31,0,0\n" \ + ".section __bug_table,\"a\"\n" \ + "\t"PPC_LONG" 1b,%0,%1,%2\n" \ + ".previous" \ + : : "i" (__LINE__ + BUG_WARNING_TRAP), \ + "i" (__FILE__), "i" (__FUNCTION__)); \ +} while (0) + +#define WARN_ON(x) do { \ + if (__builtin_constant_p(x)) { \ + if (x) \ + __WARN(); \ + } else { \ + __asm__ __volatile__( \ "1: "PPC_TLNEI" %0,0\n" \ ".section __bug_table,\"a\"\n" \ - "\t"PPC_LONG" 1b,%1,%2,%3\n" \ + "\t"PPC_LONG" 1b,%1,%2,%3\n" \ ".previous" \ : : "r" ((long)(x)), \ "i" (__LINE__ + BUG_WARNING_TRAP), \ "i" (__FILE__), "i" (__FUNCTION__)); \ + } \ } while (0) #define HAVE_ARCH_BUG diff --git a/include/asm-powerpc/cputable.h b/include/asm-powerpc/cputable.h index fe45f6f3a4be..4321483cce51 100644 --- a/include/asm-powerpc/cputable.h +++ b/include/asm-powerpc/cputable.h @@ -188,153 +188,154 @@ extern void do_cpu_ftr_fixups(unsigned long offset); !defined(CONFIG_POWER3) && !defined(CONFIG_POWER4) && \ !defined(CONFIG_BOOKE)) -enum { - CPU_FTRS_PPC601 = CPU_FTR_COMMON | CPU_FTR_601 | CPU_FTR_HPTE_TABLE, - CPU_FTRS_603 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | - CPU_FTR_MAYBE_CAN_NAP, - CPU_FTRS_604 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_USE_TB | CPU_FTR_604_PERF_MON | CPU_FTR_HPTE_TABLE, - CPU_FTRS_740_NOTAU = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | - CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP, - CPU_FTRS_740 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | - CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP, - CPU_FTRS_750 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | - CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP, - CPU_FTRS_750FX1 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | - CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | - CPU_FTR_DUAL_PLL_750FX | CPU_FTR_NO_DPM, - CPU_FTRS_750FX2 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | - CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | - CPU_FTR_NO_DPM, - CPU_FTRS_750FX = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | - CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | - CPU_FTR_DUAL_PLL_750FX | CPU_FTR_HAS_HIGH_BATS, - CPU_FTRS_750GX = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE | - CPU_FTR_USE_TB | CPU_FTR_L2CR | CPU_FTR_TAU | - CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | - CPU_FTR_DUAL_PLL_750FX | CPU_FTR_HAS_HIGH_BATS, - CPU_FTRS_7400_NOTAU = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | - CPU_FTR_ALTIVEC_COMP | CPU_FTR_HPTE_TABLE | - CPU_FTR_MAYBE_CAN_NAP, - CPU_FTRS_7400 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | - CPU_FTR_TAU | CPU_FTR_ALTIVEC_COMP | CPU_FTR_HPTE_TABLE | - CPU_FTR_MAYBE_CAN_NAP, - CPU_FTRS_7450_20 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_USE_TB | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | - CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | - CPU_FTR_NEED_COHERENT, - CPU_FTRS_7450_21 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_USE_TB | - CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | - CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | - CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | - CPU_FTR_NEED_COHERENT, - CPU_FTRS_7450_23 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_USE_TB | - CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | - CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | - CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_NEED_COHERENT, - CPU_FTRS_7455_1 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_USE_TB | - CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | CPU_FTR_L3CR | - CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | CPU_FTR_HAS_HIGH_BATS | - CPU_FTR_NEED_COHERENT, - CPU_FTRS_7455_20 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_USE_TB | - CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | - CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | - CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | - CPU_FTR_NEED_COHERENT | CPU_FTR_HAS_HIGH_BATS, - CPU_FTRS_7455 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_USE_TB | - CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | - CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | - CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | - CPU_FTR_NEED_COHERENT, - CPU_FTRS_7447_10 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_USE_TB | - CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | - CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | - CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | - CPU_FTR_NEED_COHERENT | CPU_FTR_NO_BTIC, - CPU_FTRS_7447 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_USE_TB | - CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | - CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | - CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | - CPU_FTR_NEED_COHERENT, - CPU_FTRS_7447A = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_USE_TB | - CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | - CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | - CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | - CPU_FTR_NEED_COHERENT, - CPU_FTRS_82XX = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB, - CPU_FTRS_G2_LE = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE | - CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS, - CPU_FTRS_E300 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE | - CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS | - CPU_FTR_COMMON, - CPU_FTRS_CLASSIC32 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE, - CPU_FTRS_POWER3_32 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE, - CPU_FTRS_POWER4_32 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_NODSISRALIGN, - CPU_FTRS_970_32 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_ALTIVEC_COMP | - CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_NODSISRALIGN, - CPU_FTRS_8XX = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB, - CPU_FTRS_40X = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | - CPU_FTR_NODSISRALIGN, - CPU_FTRS_44X = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | - CPU_FTR_NODSISRALIGN, - CPU_FTRS_E200 = CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN, - CPU_FTRS_E500 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | - CPU_FTR_NODSISRALIGN, - CPU_FTRS_E500_2 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | - CPU_FTR_BIG_PHYS | CPU_FTR_NODSISRALIGN, - CPU_FTRS_GENERIC_32 = CPU_FTR_COMMON | CPU_FTR_NODSISRALIGN, +#define CPU_FTRS_PPC601 (CPU_FTR_COMMON | CPU_FTR_601 | CPU_FTR_HPTE_TABLE) +#define CPU_FTRS_603 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | \ + CPU_FTR_MAYBE_CAN_NAP) +#define CPU_FTRS_604 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_USE_TB | CPU_FTR_604_PERF_MON | CPU_FTR_HPTE_TABLE) +#define CPU_FTRS_740_NOTAU (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \ + CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP) +#define CPU_FTRS_740 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \ + CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP) +#define CPU_FTRS_750 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \ + CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP) +#define CPU_FTRS_750FX1 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \ + CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \ + CPU_FTR_DUAL_PLL_750FX | CPU_FTR_NO_DPM) +#define CPU_FTRS_750FX2 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \ + CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \ + CPU_FTR_NO_DPM) +#define CPU_FTRS_750FX (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \ + CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \ + CPU_FTR_DUAL_PLL_750FX | CPU_FTR_HAS_HIGH_BATS) +#define CPU_FTRS_750GX (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE | \ + CPU_FTR_USE_TB | CPU_FTR_L2CR | CPU_FTR_TAU | \ + CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \ + CPU_FTR_DUAL_PLL_750FX | CPU_FTR_HAS_HIGH_BATS) +#define CPU_FTRS_7400_NOTAU (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \ + CPU_FTR_ALTIVEC_COMP | CPU_FTR_HPTE_TABLE | \ + CPU_FTR_MAYBE_CAN_NAP) +#define CPU_FTRS_7400 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \ + CPU_FTR_TAU | CPU_FTR_ALTIVEC_COMP | CPU_FTR_HPTE_TABLE | \ + CPU_FTR_MAYBE_CAN_NAP) +#define CPU_FTRS_7450_20 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_USE_TB | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ + CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \ + CPU_FTR_NEED_COHERENT) +#define CPU_FTRS_7450_21 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_USE_TB | \ + CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ + CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \ + CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \ + CPU_FTR_NEED_COHERENT) +#define CPU_FTRS_7450_23 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_USE_TB | \ + CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ + CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \ + CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_NEED_COHERENT) +#define CPU_FTRS_7455_1 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_USE_TB | \ + CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | CPU_FTR_L3CR | \ + CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | CPU_FTR_HAS_HIGH_BATS | \ + CPU_FTR_NEED_COHERENT) +#define CPU_FTRS_7455_20 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_USE_TB | \ + CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ + CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \ + CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \ + CPU_FTR_NEED_COHERENT | CPU_FTR_HAS_HIGH_BATS) +#define CPU_FTRS_7455 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_USE_TB | \ + CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ + CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \ + CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \ + CPU_FTR_NEED_COHERENT) +#define CPU_FTRS_7447_10 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_USE_TB | \ + CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ + CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \ + CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \ + CPU_FTR_NEED_COHERENT | CPU_FTR_NO_BTIC) +#define CPU_FTRS_7447 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_USE_TB | \ + CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ + CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \ + CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \ + CPU_FTR_NEED_COHERENT) +#define CPU_FTRS_7447A (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_USE_TB | \ + CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ + CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \ + CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \ + CPU_FTR_NEED_COHERENT) +#define CPU_FTRS_82XX (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB) +#define CPU_FTRS_G2_LE (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE | \ + CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS) +#define CPU_FTRS_E300 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE | \ + CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS | \ + CPU_FTR_COMMON) +#define CPU_FTRS_CLASSIC32 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE) +#define CPU_FTRS_POWER3_32 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE) +#define CPU_FTRS_POWER4_32 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_NODSISRALIGN) +#define CPU_FTRS_970_32 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_ALTIVEC_COMP | \ + CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_NODSISRALIGN) +#define CPU_FTRS_8XX (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB) +#define CPU_FTRS_40X (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \ + CPU_FTR_NODSISRALIGN) +#define CPU_FTRS_44X (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \ + CPU_FTR_NODSISRALIGN) +#define CPU_FTRS_E200 (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN) +#define CPU_FTRS_E500 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \ + CPU_FTR_NODSISRALIGN) +#define CPU_FTRS_E500_2 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \ + CPU_FTR_BIG_PHYS | CPU_FTR_NODSISRALIGN) +#define CPU_FTRS_GENERIC_32 (CPU_FTR_COMMON | CPU_FTR_NODSISRALIGN) #ifdef __powerpc64__ - CPU_FTRS_POWER3 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | - CPU_FTR_HPTE_TABLE | CPU_FTR_IABR, - CPU_FTRS_RS64 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | - CPU_FTR_HPTE_TABLE | CPU_FTR_IABR | - CPU_FTR_MMCRA | CPU_FTR_CTRL, - CPU_FTRS_POWER4 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | - CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_MMCRA, - CPU_FTRS_PPC970 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | - CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | - CPU_FTR_ALTIVEC_COMP | CPU_FTR_CAN_NAP | CPU_FTR_MMCRA, - CPU_FTRS_POWER5 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | - CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | - CPU_FTR_MMCRA | CPU_FTR_SMT | - CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | - CPU_FTR_MMCRA_SIHV | CPU_FTR_PURR, - CPU_FTRS_CELL = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | - CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | - CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | - CPU_FTR_CTRL | CPU_FTR_PAUSE_ZERO, - CPU_FTRS_COMPATIBLE = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | - CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2, +#define CPU_FTRS_POWER3 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \ + CPU_FTR_HPTE_TABLE | CPU_FTR_IABR) +#define CPU_FTRS_RS64 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \ + CPU_FTR_HPTE_TABLE | CPU_FTR_IABR | \ + CPU_FTR_MMCRA | CPU_FTR_CTRL) +#define CPU_FTRS_POWER4 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \ + CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_MMCRA) +#define CPU_FTRS_PPC970 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \ + CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | \ + CPU_FTR_ALTIVEC_COMP | CPU_FTR_CAN_NAP | CPU_FTR_MMCRA) +#define CPU_FTRS_POWER5 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \ + CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | \ + CPU_FTR_MMCRA | CPU_FTR_SMT | \ + CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \ + CPU_FTR_MMCRA_SIHV | CPU_FTR_PURR) +#define CPU_FTRS_CELL (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \ + CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | \ + CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \ + CPU_FTR_CTRL | CPU_FTR_PAUSE_ZERO) +#define CPU_FTRS_COMPATIBLE (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \ + CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2) #endif - CPU_FTRS_POSSIBLE = #ifdef __powerpc64__ - CPU_FTRS_POWER3 | CPU_FTRS_RS64 | CPU_FTRS_POWER4 | - CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | CPU_FTRS_CELL | - CPU_FTR_CI_LARGE_PAGE | +#define CPU_FTRS_POSSIBLE \ + (CPU_FTRS_POWER3 | CPU_FTRS_RS64 | CPU_FTRS_POWER4 | \ + CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | CPU_FTRS_CELL | \ + CPU_FTR_CI_LARGE_PAGE) #else +enum { + CPU_FTRS_POSSIBLE = #if CLASSIC_PPC CPU_FTRS_PPC601 | CPU_FTRS_603 | CPU_FTRS_604 | CPU_FTRS_740_NOTAU | CPU_FTRS_740 | CPU_FTRS_750 | CPU_FTRS_750FX1 | @@ -368,14 +369,18 @@ enum { #ifdef CONFIG_E500 CPU_FTRS_E500 | CPU_FTRS_E500_2 | #endif -#endif /* __powerpc64__ */ 0, +}; +#endif /* __powerpc64__ */ - CPU_FTRS_ALWAYS = #ifdef __powerpc64__ - CPU_FTRS_POWER3 & CPU_FTRS_RS64 & CPU_FTRS_POWER4 & - CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & CPU_FTRS_CELL & +#define CPU_FTRS_ALWAYS \ + (CPU_FTRS_POWER3 & CPU_FTRS_RS64 & CPU_FTRS_POWER4 & \ + CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & CPU_FTRS_CELL & \ + CPU_FTRS_POSSIBLE) #else +enum { + CPU_FTRS_ALWAYS = #if CLASSIC_PPC CPU_FTRS_PPC601 & CPU_FTRS_603 & CPU_FTRS_604 & CPU_FTRS_740_NOTAU & CPU_FTRS_740 & CPU_FTRS_750 & CPU_FTRS_750FX1 & @@ -409,9 +414,9 @@ enum { #ifdef CONFIG_E500 CPU_FTRS_E500 & CPU_FTRS_E500_2 & #endif -#endif /* __powerpc64__ */ CPU_FTRS_POSSIBLE, }; +#endif /* __powerpc64__ */ static inline int cpu_has_feature(unsigned long feature) { diff --git a/include/asm-powerpc/firmware.h b/include/asm-powerpc/firmware.h index ce3788224ed0..77069df92bf8 100644 --- a/include/asm-powerpc/firmware.h +++ b/include/asm-powerpc/firmware.h @@ -82,13 +82,11 @@ enum { /* This is used to identify firmware features which are available * to the kernel. */ -extern unsigned long ppc64_firmware_features; +extern unsigned long powerpc_firmware_features; -static inline unsigned long firmware_has_feature(unsigned long feature) -{ - return (FW_FEATURE_ALWAYS & feature) || - (FW_FEATURE_POSSIBLE & ppc64_firmware_features & feature); -} +#define firmware_has_feature(feature) \ + ((FW_FEATURE_ALWAYS & (feature)) || \ + (FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature))) extern void system_reset_fwnmi(void); extern void machine_check_fwnmi(void); diff --git a/include/asm-powerpc/floppy.h b/include/asm-powerpc/floppy.h index e258778ca429..608164c39efb 100644 --- a/include/asm-powerpc/floppy.h +++ b/include/asm-powerpc/floppy.h @@ -35,6 +35,7 @@ #ifdef CONFIG_PCI #include <linux/pci.h> +#include <asm/ppc-pci.h> /* for ppc64_isabridge_dev */ #define fd_dma_setup(addr,size,mode,io) powerpc_fd_dma_setup(addr,size,mode,io) @@ -52,12 +53,12 @@ static __inline__ int powerpc_fd_dma_setup(char *addr, unsigned long size, if (bus_addr && (addr != prev_addr || size != prev_size || dir != prev_dir)) { /* different from last time -- unmap prev */ - pci_unmap_single(NULL, bus_addr, prev_size, prev_dir); + pci_unmap_single(ppc64_isabridge_dev, bus_addr, prev_size, prev_dir); bus_addr = 0; } if (!bus_addr) /* need to map it */ - bus_addr = pci_map_single(NULL, addr, size, dir); + bus_addr = pci_map_single(ppc64_isabridge_dev, addr, size, dir); /* remember this one as prev */ prev_addr = addr; diff --git a/include/asm-powerpc/futex.h b/include/asm-powerpc/futex.h index 39e85f320a76..f1b3c00bc1ce 100644 --- a/include/asm-powerpc/futex.h +++ b/include/asm-powerpc/futex.h @@ -81,5 +81,11 @@ static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr) return ret; } +static inline int +futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval) +{ + return -ENOSYS; +} + #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_FUTEX_H */ diff --git a/include/asm-powerpc/hvcall.h b/include/asm-powerpc/hvcall.h index 38ca9ad6110d..b72c04f3f551 100644 --- a/include/asm-powerpc/hvcall.h +++ b/include/asm-powerpc/hvcall.h @@ -9,6 +9,7 @@ #define H_Closed 2 /* Resource closed */ #define H_Constrained 4 /* Resource request constrained to max allowed */ #define H_InProgress 14 /* Kind of like busy */ +#define H_Pending 17 /* returned from H_POLL_PENDING */ #define H_Continue 18 /* Returned from H_Join on success */ #define H_LongBusyStartRange 9900 /* Start of long busy range */ #define H_LongBusyOrder1msec 9900 /* Long busy, hint that 1msec is a good time to retry */ diff --git a/include/asm-powerpc/hvconsole.h b/include/asm-powerpc/hvconsole.h index 34daf7b9b62f..35ea69e8121f 100644 --- a/include/asm-powerpc/hvconsole.h +++ b/include/asm-powerpc/hvconsole.h @@ -24,28 +24,18 @@ #ifdef __KERNEL__ /* - * This is the max number of console adapters that can/will be found as - * console devices on first stage console init. Any number beyond this range - * can't be used as a console device but is still a valid tty device. + * PSeries firmware will only send/recv up to 16 bytes of character data per + * hcall. */ -#define MAX_NR_HVC_CONSOLES 16 +#define MAX_VIO_PUT_CHARS 16 +#define SIZE_VIO_GET_CHARS 16 -/* implemented by a low level driver */ -struct hv_ops { - int (*get_chars)(uint32_t vtermno, char *buf, int count); - int (*put_chars)(uint32_t vtermno, const char *buf, int count); -}; +/* + * Vio firmware always attempts to fetch MAX_VIO_GET_CHARS chars. The 'count' + * parm is included to conform to put_chars() function pointer template + */ extern int hvc_get_chars(uint32_t vtermno, char *buf, int count); extern int hvc_put_chars(uint32_t vtermno, const char *buf, int count); -struct hvc_struct; - -/* Register a vterm and a slot index for use as a console (console_init) */ -extern int hvc_instantiate(uint32_t vtermno, int index, struct hv_ops *ops); -/* register a vterm for hvc tty operation (module_init or hotplug add) */ -extern struct hvc_struct * __devinit hvc_alloc(uint32_t vtermno, int irq, - struct hv_ops *ops); -/* remove a vterm from hvc tty operation (modele_exit or hotplug remove) */ -extern int __devexit hvc_remove(struct hvc_struct *hp); #endif /* __KERNEL__ */ #endif /* _PPC64_HVCONSOLE_H */ diff --git a/include/asm-powerpc/kdebug.h b/include/asm-powerpc/kdebug.h index 7c16265568e0..c01786ab5fa6 100644 --- a/include/asm-powerpc/kdebug.h +++ b/include/asm-powerpc/kdebug.h @@ -16,13 +16,9 @@ struct die_args { int signr; }; -/* - Note - you should never unregister because that can race with NMIs. - If you really want to do it first unregister - then synchronize_sched - - then free. - */ -int register_die_notifier(struct notifier_block *nb); -extern struct notifier_block *powerpc_die_chain; +extern int register_die_notifier(struct notifier_block *); +extern int unregister_die_notifier(struct notifier_block *); +extern struct atomic_notifier_head powerpc_die_chain; /* Grossly misnamed. */ enum die_val { @@ -37,7 +33,7 @@ enum die_val { static inline int notify_die(enum die_val val,char *str,struct pt_regs *regs,long err,int trap, int sig) { struct die_args args = { .regs=regs, .str=str, .err=err, .trapnr=trap,.signr=sig }; - return notifier_call_chain(&powerpc_die_chain, val, &args); + return atomic_notifier_call_chain(&powerpc_die_chain, val, &args); } #endif /* __KERNEL__ */ diff --git a/include/asm-powerpc/machdep.h b/include/asm-powerpc/machdep.h index 5348b820788c..5ed847680754 100644 --- a/include/asm-powerpc/machdep.h +++ b/include/asm-powerpc/machdep.h @@ -47,6 +47,7 @@ struct smp_ops_t { #endif struct machdep_calls { + char *name; #ifdef CONFIG_PPC64 void (*hpte_invalidate)(unsigned long slot, unsigned long va, @@ -85,9 +86,9 @@ struct machdep_calls { void (*iommu_dev_setup)(struct pci_dev *dev); void (*iommu_bus_setup)(struct pci_bus *bus); void (*irq_bus_setup)(struct pci_bus *bus); -#endif +#endif /* CONFIG_PPC64 */ - int (*probe)(int platform); + int (*probe)(void); void (*setup_arch)(void); void (*init_early)(void); /* Optional, may be NULL. */ @@ -158,6 +159,12 @@ struct machdep_calls { /* Idle loop for this platform, leave empty for default idle loop */ void (*idle_loop)(void); + /* + * Function for waiting for work with reduced power in idle loop; + * called with interrupts disabled. + */ + void (*power_save)(void); + /* Function to enable performance monitor counters for this platform, called once per cpu. */ void (*enable_pmcs)(void); @@ -170,13 +177,6 @@ struct machdep_calls { May be NULL. */ void (*init)(void); - void (*idle)(void); - void (*power_save)(void); - - void (*heartbeat)(void); - unsigned long heartbeat_reset; - unsigned long heartbeat_count; - void (*setup_io_mappings)(void); void (*early_serial_map)(void); @@ -208,8 +208,6 @@ struct machdep_calls { /* Called at then very end of pcibios_init() */ void (*pcibios_after_init)(void); - /* this is for modules, since _machine can be a define -- Cort */ - int ppc_machine; #endif /* CONFIG_PPC32 */ /* Called to shutdown machine specific hardware not already controlled @@ -242,10 +240,29 @@ struct machdep_calls { #endif /* CONFIG_KEXEC */ }; -extern void default_idle(void); -extern void native_idle(void); +extern void power4_idle(void); +extern void ppc6xx_idle(void); +/* + * ppc_md contains a copy of the machine description structure for the + * current platform. machine_id contains the initial address where the + * description was found during boot. + */ extern struct machdep_calls ppc_md; +extern struct machdep_calls *machine_id; + +#define __machine_desc __attribute__ ((__section__ (".machine.desc"))) + +#define define_machine(name) struct machdep_calls mach_##name __machine_desc = +#define machine_is(name) \ + ({ \ + extern struct machdep_calls mach_##name \ + __attribute__((weak)); \ + machine_id == &mach_##name; \ + }) + +extern void probe_machine(void); + extern char cmd_line[COMMAND_LINE_SIZE]; #ifdef CONFIG_PPC_PMAC diff --git a/include/asm-powerpc/oprofile_impl.h b/include/asm-powerpc/oprofile_impl.h index 338e6a7cff4a..5b33994cd488 100644 --- a/include/asm-powerpc/oprofile_impl.h +++ b/include/asm-powerpc/oprofile_impl.h @@ -17,9 +17,6 @@ /* Per-counter configuration as set via oprofilefs. */ struct op_counter_config { -#ifdef __powerpc64__ - unsigned long valid; -#endif unsigned long enabled; unsigned long event; unsigned long count; @@ -38,9 +35,6 @@ struct op_system_config { #endif unsigned long enable_kernel; unsigned long enable_user; -#ifdef CONFIG_PPC64 - unsigned long backtrace_spinlocks; -#endif }; /* Per-arch configuration */ @@ -56,17 +50,12 @@ struct op_powerpc_model { int num_counters; }; -#ifdef CONFIG_FSL_BOOKE extern struct op_powerpc_model op_model_fsl_booke; -#else /* Otherwise, it's classic */ - -#ifdef CONFIG_PPC64 extern struct op_powerpc_model op_model_rs64; extern struct op_powerpc_model op_model_power4; - -#else /* Otherwise, CONFIG_PPC32 */ extern struct op_powerpc_model op_model_7450; -#endif + +#ifndef CONFIG_FSL_BOOKE /* All the classic PPC parts use these */ static inline unsigned int ctr_read(unsigned int i) @@ -134,5 +123,7 @@ static inline void ctr_write(unsigned int i, unsigned int val) } #endif /* !CONFIG_FSL_BOOKE */ +extern void op_powerpc_backtrace(struct pt_regs * const regs, unsigned int depth); + #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_OPROFILE_IMPL_H */ diff --git a/include/asm-powerpc/paca.h b/include/asm-powerpc/paca.h index 4465b95ebef0..706325f99a84 100644 --- a/include/asm-powerpc/paca.h +++ b/include/asm-powerpc/paca.h @@ -105,5 +105,7 @@ struct paca_struct { extern struct paca_struct paca[]; +void setup_boot_paca(void); + #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_PACA_H */ diff --git a/include/asm-powerpc/page.h b/include/asm-powerpc/page.h index 0b82df483f7f..2fbecebe1c92 100644 --- a/include/asm-powerpc/page.h +++ b/include/asm-powerpc/page.h @@ -69,8 +69,6 @@ #endif #ifdef CONFIG_FLATMEM -#define pfn_to_page(pfn) (mem_map + (pfn)) -#define page_to_pfn(page) ((unsigned long)((page) - mem_map)) #define pfn_valid(pfn) ((pfn) < max_mapnr) #endif @@ -200,6 +198,7 @@ extern void copy_user_page(void *to, void *from, unsigned long vaddr, struct page *p); extern int page_is_ram(unsigned long pfn); +#include <asm-generic/memory_model.h> #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ diff --git a/include/asm-powerpc/percpu.h b/include/asm-powerpc/percpu.h index 464301cd0d03..184a7a4d2fdf 100644 --- a/include/asm-powerpc/percpu.h +++ b/include/asm-powerpc/percpu.h @@ -27,7 +27,7 @@ #define percpu_modcopy(pcpudst, src, size) \ do { \ unsigned int __i; \ - for_each_cpu(__i) \ + for_each_possible_cpu(__i) \ memcpy((pcpudst)+__per_cpu_offset(__i), \ (src), (size)); \ } while (0) diff --git a/include/asm-powerpc/pmac_feature.h b/include/asm-powerpc/pmac_feature.h index 3221628130c4..d3599cc9aa74 100644 --- a/include/asm-powerpc/pmac_feature.h +++ b/include/asm-powerpc/pmac_feature.h @@ -305,7 +305,7 @@ extern void pmac_feature_init(void); extern void pmac_set_early_video_resume(void (*proc)(void *data), void *data); extern void pmac_call_early_video_resume(void); -#define PMAC_FTR_DEF(x) ((_MACH_Pmac << 16) | (x)) +#define PMAC_FTR_DEF(x) ((0x6660000) | (x)) /* The AGP driver registers itself here */ extern void pmac_register_agp_pm(struct pci_dev *bridge, diff --git a/include/asm-powerpc/poll.h b/include/asm-powerpc/poll.h index edd2054da86b..9c7d12631033 100644 --- a/include/asm-powerpc/poll.h +++ b/include/asm-powerpc/poll.h @@ -13,6 +13,7 @@ #define POLLWRBAND 0x0200 #define POLLMSG 0x0400 #define POLLREMOVE 0x1000 +#define POLLRDHUP 0x2000 struct pollfd { int fd; diff --git a/include/asm-powerpc/processor.h b/include/asm-powerpc/processor.h index 1c64a211cf19..93f83efeb310 100644 --- a/include/asm-powerpc/processor.h +++ b/include/asm-powerpc/processor.h @@ -22,22 +22,6 @@ * -- BenH. */ -/* Platforms codes (to be obsoleted) */ -#define PLATFORM_PSERIES 0x0100 -#define PLATFORM_PSERIES_LPAR 0x0101 -#define PLATFORM_ISERIES_LPAR 0x0201 -#define PLATFORM_LPAR 0x0001 -#define PLATFORM_POWERMAC 0x0400 -#define PLATFORM_MAPLE 0x0500 -#define PLATFORM_PREP 0x0600 -#define PLATFORM_CHRP 0x0700 -#define PLATFORM_CELL 0x1000 - -/* Compat platform codes for 32 bits */ -#define _MACH_prep PLATFORM_PREP -#define _MACH_Pmac PLATFORM_POWERMAC -#define _MACH_chrp PLATFORM_CHRP - /* PREP sub-platform types see residual.h for these */ #define _PREP_Motorola 0x01 /* motorola prep */ #define _PREP_Firm 0x02 /* firmworks prep */ @@ -49,18 +33,14 @@ #define _CHRP_IBM 0x05 /* IBM chrp, the longtrail and longtrail 2 */ #define _CHRP_Pegasos 0x06 /* Genesi/bplan's Pegasos and Pegasos2 */ -#ifdef __KERNEL__ -#define platform_is_pseries() (_machine == PLATFORM_PSERIES || \ - _machine == PLATFORM_PSERIES_LPAR) +#if defined(__KERNEL__) && defined(CONFIG_PPC32) -#if defined(CONFIG_PPC_MULTIPLATFORM) -extern int _machine; +extern int _chrp_type; -#ifdef CONFIG_PPC32 +#ifdef CONFIG_PPC_PREP /* what kind of prep workstation we are */ extern int _prep_type; -extern int _chrp_type; /* * This is used to identify the board type from a given PReP board @@ -70,17 +50,14 @@ extern int _chrp_type; extern unsigned char ucBoardRev; extern unsigned char ucBoardRevMaj, ucBoardRevMin; -#endif /* CONFIG_PPC32 */ +#endif /* CONFIG_PPC_PREP */ -#elif defined(CONFIG_PPC_ISERIES) -/* - * iSeries is soon to become MULTIPLATFORM hopefully ... - */ -#define _machine PLATFORM_ISERIES_LPAR -#else +#ifndef CONFIG_PPC_MULTIPLATFORM #define _machine 0 #endif /* CONFIG_PPC_MULTIPLATFORM */ -#endif /* __KERNEL__ */ + +#endif /* defined(__KERNEL__) && defined(CONFIG_PPC32) */ + /* * Default implementation of macro that returns current * instruction pointer ("program counter"). @@ -251,6 +228,10 @@ static inline unsigned long __pack_fe01(unsigned int fpmode) #define cpu_relax() barrier() #endif +/* Check that a certain kernel stack pointer is valid in task_struct p */ +int validate_sp(unsigned long sp, struct task_struct *p, + unsigned long nbytes); + /* * Prefetch macros. */ diff --git a/include/asm-powerpc/prom.h b/include/asm-powerpc/prom.h index 782e13a070a1..97ef1cd71a4d 100644 --- a/include/asm-powerpc/prom.h +++ b/include/asm-powerpc/prom.h @@ -149,12 +149,14 @@ extern struct device_node *of_node_get(struct device_node *node); extern void of_node_put(struct device_node *node); /* For scanning the flat device-tree at boot time */ -int __init of_scan_flat_dt(int (*it)(unsigned long node, - const char *uname, int depth, - void *data), - void *data); -void* __init of_get_flat_dt_prop(unsigned long node, const char *name, - unsigned long *size); +extern int __init of_scan_flat_dt(int (*it)(unsigned long node, + const char *uname, int depth, + void *data), + void *data); +extern void* __init of_get_flat_dt_prop(unsigned long node, const char *name, + unsigned long *size); +extern int __init of_flat_dt_is_compatible(unsigned long node, const char *name); +extern unsigned long __init of_get_flat_dt_root(void); /* For updating the device tree at runtime */ extern void of_attach_node(struct device_node *); diff --git a/include/asm-powerpc/reg.h b/include/asm-powerpc/reg.h index 72bfe3af0460..bd467bf5cf5a 100644 --- a/include/asm-powerpc/reg.h +++ b/include/asm-powerpc/reg.h @@ -622,6 +622,10 @@ extern void ppc64_runlatch_off(void); extern unsigned long scom970_read(unsigned int address); extern void scom970_write(unsigned int address, unsigned long value); +#else +#define ppc64_runlatch_on() +#define ppc64_runlatch_off() + #endif /* CONFIG_PPC64 */ #define __get_SP() ({unsigned long sp; \ diff --git a/include/asm-powerpc/smp.h b/include/asm-powerpc/smp.h index 98581e5a8279..4a716f707cf6 100644 --- a/include/asm-powerpc/smp.h +++ b/include/asm-powerpc/smp.h @@ -29,7 +29,6 @@ #endif extern int boot_cpuid; -extern int boot_cpuid_phys; extern void cpu_die(void); @@ -99,6 +98,7 @@ extern void smp_release_cpus(void); #else /* 32-bit */ #ifndef CONFIG_SMP +extern int boot_cpuid_phys; #define get_hard_smp_processor_id(cpu) boot_cpuid_phys #define set_hard_smp_processor_id(cpu, phys) #endif diff --git a/include/asm-powerpc/spu.h b/include/asm-powerpc/spu.h index 38bacf2f6e0c..f431d8b0b651 100644 --- a/include/asm-powerpc/spu.h +++ b/include/asm-powerpc/spu.h @@ -110,6 +110,7 @@ struct spu { char *name; unsigned long local_store_phys; u8 *local_store; + unsigned long problem_phys; struct spu_problem __iomem *problem; struct spu_priv1 __iomem *priv1; struct spu_priv2 __iomem *priv2; @@ -137,6 +138,7 @@ struct spu { void (* wbox_callback)(struct spu *spu); void (* ibox_callback)(struct spu *spu); void (* stop_callback)(struct spu *spu); + void (* mfc_callback)(struct spu *spu); char irq_c0[8]; char irq_c1[8]; @@ -149,6 +151,14 @@ int spu_irq_class_0_bottom(struct spu *spu); int spu_irq_class_1_bottom(struct spu *spu); void spu_irq_setaffinity(struct spu *spu, int cpu); +/* system callbacks from the SPU */ +struct spu_syscall_block { + u64 nr_ret; + u64 parm[6]; +}; +extern long spu_sys_callback(struct spu_syscall_block *s); + +/* syscalls implemented in spufs */ extern struct spufs_calls { asmlinkage long (*create_thread)(const char __user *name, unsigned int flags, mode_t mode); @@ -399,7 +409,6 @@ struct spu_priv1 { #define SPU_GET_REVISION_BITS(vr) (vr & SPU_REVISION_BITS) u8 pad_0x28_0x100[0x100 - 0x28]; /* 0x28 */ - /* Interrupt Area */ u64 int_mask_RW[3]; /* 0x100 */ #define CLASS0_ENABLE_DMA_ALIGNMENT_INTR 0x1L diff --git a/include/asm-powerpc/string.h b/include/asm-powerpc/string.h index 8606a696c088..faa407f33c6b 100644 --- a/include/asm-powerpc/string.h +++ b/include/asm-powerpc/string.h @@ -15,7 +15,7 @@ #define __HAVE_ARCH_MEMCHR extern int strcasecmp(const char *, const char *); -extern int strncasecmp(const char *, const char *, int); +extern int strncasecmp(const char *, const char *, __kernel_size_t); extern char * strcpy(char *,const char *); extern char * strncpy(char *,const char *, __kernel_size_t); extern __kernel_size_t strlen(const char *); diff --git a/include/asm-powerpc/syscalls.h b/include/asm-powerpc/syscalls.h new file mode 100644 index 000000000000..c2fe79d4f90f --- /dev/null +++ b/include/asm-powerpc/syscalls.h @@ -0,0 +1,58 @@ +#ifndef __ASM_POWERPC_SYSCALLS_H +#define __ASM_POWERPC_SYSCALLS_H +#ifdef __KERNEL__ + +#include <linux/compiler.h> +#include <linux/linkage.h> +#include <linux/types.h> +#include <asm/signal.h> + +struct new_utsname; +struct pt_regs; +struct rtas_args; +struct sigaction; + +asmlinkage unsigned long sys_mmap(unsigned long addr, size_t len, + unsigned long prot, unsigned long flags, + unsigned long fd, off_t offset); +asmlinkage unsigned long sys_mmap2(unsigned long addr, size_t len, + unsigned long prot, unsigned long flags, + unsigned long fd, unsigned long pgoff); +asmlinkage int sys_execve(unsigned long a0, unsigned long a1, + unsigned long a2, unsigned long a3, unsigned long a4, + unsigned long a5, struct pt_regs *regs); +asmlinkage int sys_clone(unsigned long clone_flags, unsigned long usp, + int __user *parent_tidp, void __user *child_threadptr, + int __user *child_tidp, int p6, struct pt_regs *regs); +asmlinkage int sys_fork(unsigned long p1, unsigned long p2, + unsigned long p3, unsigned long p4, unsigned long p5, + unsigned long p6, struct pt_regs *regs); +asmlinkage int sys_vfork(unsigned long p1, unsigned long p2, + unsigned long p3, unsigned long p4, unsigned long p5, + unsigned long p6, struct pt_regs *regs); +asmlinkage int sys_pipe(int __user *fildes); +asmlinkage long sys_rt_sigaction(int sig, + const struct sigaction __user *act, + struct sigaction __user *oact, size_t sigsetsize); +asmlinkage int sys_ipc(uint call, int first, unsigned long second, + long third, void __user *ptr, long fifth); +asmlinkage long ppc64_personality(unsigned long personality); +asmlinkage int ppc_rtas(struct rtas_args __user *uargs); +asmlinkage time_t sys64_time(time_t __user * tloc); +asmlinkage long ppc_newuname(struct new_utsname __user * name); + +asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, + size_t sigsetsize); + +#ifndef __powerpc64__ +asmlinkage long sys_sigaltstack(const stack_t __user *uss, + stack_t __user *uoss, int r5, int r6, int r7, int r8, + struct pt_regs *regs); +#else /* __powerpc64__ */ +asmlinkage long sys_sigaltstack(const stack_t __user *uss, + stack_t __user *uoss, unsigned long r5, unsigned long r6, + unsigned long r7, unsigned long r8, struct pt_regs *regs); +#endif /* __powerpc64__ */ + +#endif /* __KERNEL__ */ +#endif /* __ASM_POWERPC_SYSCALLS_H */ diff --git a/include/asm-powerpc/types.h b/include/asm-powerpc/types.h index ec3c2ee8bf86..baabba96e313 100644 --- a/include/asm-powerpc/types.h +++ b/include/asm-powerpc/types.h @@ -103,6 +103,11 @@ typedef u64 sector_t; #define HAVE_SECTOR_T #endif +#ifdef CONFIG_LSF +typedef u64 blkcnt_t; +#define HAVE_BLKCNT_T +#endif + #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ diff --git a/include/asm-powerpc/unistd.h b/include/asm-powerpc/unistd.h index 35556993f066..1e990747dce7 100644 --- a/include/asm-powerpc/unistd.h +++ b/include/asm-powerpc/unistd.h @@ -425,6 +425,7 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6 #include <linux/types.h> #include <linux/compiler.h> #include <linux/linkage.h> +#include <asm/syscalls.h> #define __ARCH_WANT_IPC_PARSE_VERSION #define __ARCH_WANT_OLD_READDIR @@ -460,44 +461,10 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6 * System call prototypes. */ #ifdef __KERNEL_SYSCALLS__ -extern pid_t setsid(void); -extern int write(int fd, const char *buf, off_t count); -extern int read(int fd, char *buf, off_t count); -extern off_t lseek(int fd, off_t offset, int count); -extern int dup(int fd); extern int execve(const char *file, char **argv, char **envp); -extern int open(const char *file, int flag, int mode); -extern int close(int fd); -extern pid_t waitpid(pid_t pid, int *wait_stat, int options); #endif /* __KERNEL_SYSCALLS__ */ /* - * Functions that implement syscalls. - */ -unsigned long sys_mmap(unsigned long addr, size_t len, unsigned long prot, - unsigned long flags, unsigned long fd, off_t offset); -unsigned long sys_mmap2(unsigned long addr, size_t len, - unsigned long prot, unsigned long flags, - unsigned long fd, unsigned long pgoff); -struct pt_regs; -int sys_execve(unsigned long a0, unsigned long a1, unsigned long a2, - unsigned long a3, unsigned long a4, unsigned long a5, - struct pt_regs *regs); -int sys_clone(unsigned long clone_flags, unsigned long usp, - int __user *parent_tidp, void __user *child_threadptr, - int __user *child_tidp, int p6, struct pt_regs *regs); -int sys_fork(unsigned long p1, unsigned long p2, unsigned long p3, - unsigned long p4, unsigned long p5, unsigned long p6, - struct pt_regs *regs); -int sys_vfork(unsigned long p1, unsigned long p2, unsigned long p3, - unsigned long p4, unsigned long p5, unsigned long p6, - struct pt_regs *regs); -int sys_pipe(int __user *fildes); -struct sigaction; -long sys_rt_sigaction(int sig, const struct sigaction __user *act, - struct sigaction __user *oact, size_t sigsetsize); - -/* * "Conditional" syscalls * * What we want is __attribute__((weak,alias("sys_ni_syscall"))), diff --git a/include/asm-powerpc/vdso_datapage.h b/include/asm-powerpc/vdso_datapage.h index 7aa92086c3fb..8a94f0eba5e9 100644 --- a/include/asm-powerpc/vdso_datapage.h +++ b/include/asm-powerpc/vdso_datapage.h @@ -55,6 +55,9 @@ struct vdso_data { __u32 minor; /* Minor number 0x14 */ } version; + /* Note about the platform flags: it now only contains the lpar + * bit. The actual platform number is dead and burried + */ __u32 platform; /* Platform flags 0x18 */ __u32 processor; /* Processor type 0x1C */ __u64 processorCount; /* # of physical processors 0x20 */ diff --git a/include/asm-ppc/machdep.h b/include/asm-ppc/machdep.h index a3e8a45e45a9..e1a0a7b213d7 100644 --- a/include/asm-ppc/machdep.h +++ b/include/asm-ppc/machdep.h @@ -19,6 +19,18 @@ struct pci_dev; struct seq_file; struct file; +/* + * This is for compatibility with ARCH=powerpc. + */ +#define machine_is(x) __MACHINE_IS_##x +#define __MACHINE_IS_powermac 0 +#define __MACHINE_IS_chrp 0 +#ifdef CONFIG_PPC_PREP +#define __MACHINE_IS_prep 1 +#else +#define __MACHINE_IS_prep 0 +#endif + /* We export this macro for external modules like Alsa to know if * ppc_md.feature_call is implemented or not */ @@ -44,7 +56,7 @@ struct machdep_calls { void (*power_off)(void); void (*halt)(void); - void (*idle)(void); + void (*idle_loop)(void); void (*power_save)(void); long (*time_init)(void); /* Optional, may be NULL */ @@ -104,9 +116,6 @@ struct machdep_calls { unsigned long size, pgprot_t vma_prot); - /* this is for modules, since _machine can be a define -- Cort */ - int ppc_machine; - /* Motherboard/chipset features. This is a kind of general purpose * hook used to control some machine specific features (like reset * lines, chip power control, etc...). diff --git a/include/asm-ppc/mpc52xx.h b/include/asm-ppc/mpc52xx.h index 6167f74635f7..7e9842805a28 100644 --- a/include/asm-ppc/mpc52xx.h +++ b/include/asm-ppc/mpc52xx.h @@ -355,6 +355,7 @@ struct mpc52xx_xlb { u32 snoop_window; /* XLB + 0x70 */ }; +#define MPC52xx_XLB_CFG_PLDIS (1 << 31) #define MPC52xx_XLB_CFG_SNOOP (1 << 15) /* Clock Distribution control */ @@ -427,6 +428,9 @@ extern void mpc52xx_calibrate_decr(void); extern void mpc52xx_find_bridges(void); +extern void mpc52xx_setup_cpu(void); + + /* Matching of PSC function */ struct mpc52xx_psc_func { diff --git a/include/asm-ppc/page.h b/include/asm-ppc/page.h index 538e0c8ab243..a70ba2ee552d 100644 --- a/include/asm-ppc/page.h +++ b/include/asm-ppc/page.h @@ -149,8 +149,7 @@ extern int page_is_ram(unsigned long pfn); #define __pa(x) ___pa((unsigned long)(x)) #define __va(x) ((void *)(___va((unsigned long)(x)))) -#define pfn_to_page(pfn) (mem_map + ((pfn) - PPC_PGSTART)) -#define page_to_pfn(page) ((unsigned long)((page) - mem_map) + PPC_PGSTART) +#define ARCH_PFN_OFFSET (PPC_PGSTART) #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) #define page_to_virt(page) __va(page_to_pfn(page) << PAGE_SHIFT) @@ -175,5 +174,6 @@ extern __inline__ int get_order(unsigned long size) /* We do define AT_SYSINFO_EHDR but don't use the gate mecanism */ #define __HAVE_ARCH_GATE_AREA 1 +#include <asm-generic/memory_model.h> #endif /* __KERNEL__ */ #endif /* _PPC_PAGE_H */ diff --git a/include/asm-ppc/pgtable.h b/include/asm-ppc/pgtable.h index e1c62da12e74..570b355162fa 100644 --- a/include/asm-ppc/pgtable.h +++ b/include/asm-ppc/pgtable.h @@ -837,7 +837,8 @@ static inline int io_remap_pfn_range(struct vm_area_struct *vma, */ #define pgtable_cache_init() do { } while (0) -extern int get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep); +extern int get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep, + pmd_t **pmdp); #include <asm-generic/pgtable.h> diff --git a/include/asm-ppc/prom.h b/include/asm-ppc/prom.h index 6d431d6fb022..adc5ae784924 100644 --- a/include/asm-ppc/prom.h +++ b/include/asm-ppc/prom.h @@ -8,126 +8,19 @@ #ifndef _PPC_PROM_H #define _PPC_PROM_H -#include <linux/config.h> -#include <linux/types.h> - -typedef u32 phandle; -typedef u32 ihandle; - -struct address_range { - unsigned int space; - unsigned int address; - unsigned int size; -}; - -struct interrupt_info { - int line; - int sense; /* +ve/-ve logic, edge or level, etc. */ -}; - +/* This is used in arch/ppc/mm/mem_pieces.h */ struct reg_property { unsigned int address; unsigned int size; }; -struct property { - char *name; - int length; - unsigned char *value; - struct property *next; -}; - -/* - * Note: don't change this structure for now or you'll break BootX ! - */ -struct device_node { - char *name; - char *type; - phandle node; - int n_addrs; - struct address_range *addrs; - int n_intrs; - struct interrupt_info *intrs; - char *full_name; - struct property *properties; - struct device_node *parent; - struct device_node *child; - struct device_node *sibling; - struct device_node *next; /* next device of same type */ - struct device_node *allnext; /* next in list of all nodes */ -}; - -struct prom_args; -typedef void (*prom_entry)(struct prom_args *); - -/* OBSOLETE: Old style node lookup */ -extern struct device_node *find_devices(const char *name); -extern struct device_node *find_type_devices(const char *type); -extern struct device_node *find_path_device(const char *path); -extern struct device_node *find_compatible_devices(const char *type, - const char *compat); -extern struct device_node *find_all_nodes(void); - -/* New style node lookup */ -extern struct device_node *of_find_node_by_name(struct device_node *from, - const char *name); -extern struct device_node *of_find_node_by_type(struct device_node *from, - const char *type); -extern struct device_node *of_find_compatible_node(struct device_node *from, - const char *type, const char *compat); -extern struct device_node *of_find_node_by_path(const char *path); -extern struct device_node *of_find_all_nodes(struct device_node *prev); -extern struct device_node *of_get_parent(const struct device_node *node); -extern struct device_node *of_get_next_child(const struct device_node *node, - struct device_node *prev); -extern struct device_node *of_node_get(struct device_node *node); -extern void of_node_put(struct device_node *node); - -/* Other Prototypes */ -extern void abort(void); -extern unsigned long prom_init(int, int, prom_entry); -extern void prom_print(const char *msg); -extern void relocate_nodes(void); -extern void finish_device_tree(void); -extern int device_is_compatible(struct device_node *device, const char *); -extern int machine_is_compatible(const char *compat); -extern unsigned char *get_property(struct device_node *node, const char *name, - int *lenp); -extern int prom_add_property(struct device_node* np, struct property* prop); -extern void prom_get_irq_senses(unsigned char *, int, int); -extern int prom_n_addr_cells(struct device_node* np); -extern int prom_n_size_cells(struct device_node* np); - -extern struct resource* -request_OF_resource(struct device_node* node, int index, const char* name_postfix); -extern int release_OF_resource(struct device_node* node, int index); - -extern void print_properties(struct device_node *node); -extern int call_rtas(const char *service, int nargs, int nret, - unsigned long *outputs, ...); - /* - * PCI <-> OF matching functions - */ -struct pci_bus; -struct pci_dev; -extern int pci_device_from_OF_node(struct device_node *node, - u8* bus, u8* devfn); -extern struct device_node* pci_busdev_to_OF_node(struct pci_bus *, int); -extern struct device_node* pci_device_to_OF_node(struct pci_dev *); -extern void pci_create_OF_bus_map(void); - -/* - * When we call back to the Open Firmware client interface, we usually - * have to do that before the kernel is relocated to its final location - * (this is because we can't use OF after we have overwritten the - * exception vectors with our exception handlers). These macros assist - * in performing the address calculations that we need to do to access - * data when the kernel is running at an address that is different from - * the address that the kernel is linked at. The reloc_offset() function - * returns the difference between these two addresses and the macros - * simplify the process of adding or subtracting this offset to/from - * pointer values. See arch/ppc/kernel/prom.c for how these are used. + * These macros assist in performing the address calculations that we + * need to do to access data when the kernel is running at an address + * that is different from the address that the kernel is linked at. + * The reloc_offset() function returns the difference between these + * two addresses and the macros simplify the process of adding or + * subtracting this offset to/from pointer values. */ extern unsigned long reloc_offset(void); extern unsigned long add_reloc_offset(unsigned long); @@ -136,45 +29,12 @@ extern unsigned long sub_reloc_offset(unsigned long); #define PTRRELOC(x) ((typeof(x))add_reloc_offset((unsigned long)(x))) #define PTRUNRELOC(x) ((typeof(x))sub_reloc_offset((unsigned long)(x))) - -/* - * OF address retreival & translation - */ - - -/* Translate an OF address block into a CPU physical address - */ -#define OF_BAD_ADDR ((u64)-1) -extern u64 of_translate_address(struct device_node *np, u32 *addr); - -/* Extract an address from a device, returns the region size and - * the address space flags too. The PCI version uses a BAR number - * instead of an absolute index - */ -extern u32 *of_get_address(struct device_node *dev, int index, - u64 *size, unsigned int *flags); -extern u32 *of_get_pci_address(struct device_node *dev, int bar_no, - u64 *size, unsigned int *flags); - -/* Get an address as a resource. Note that if your address is - * a PIO address, the conversion will fail if the physical address - * can't be internally converted to an IO token with - * pci_address_to_pio(), that is because it's either called to early - * or it can't be matched to any host bridge IO space - */ -extern int of_address_to_resource(struct device_node *dev, int index, - struct resource *r); -extern int of_pci_address_to_resource(struct device_node *dev, int bar, - struct resource *r); - -#ifndef CONFIG_PPC_OF /* - * Fallback definitions for builds where we don't have prom.c included. + * Fallback definitions since we don't support OF in arch/ppc any more. */ #define machine_is_compatible(x) 0 #define of_find_compatible_node(f, t, c) NULL #define get_property(p, n, l) NULL -#endif #endif /* _PPC_PROM_H */ #endif /* __KERNEL__ */ diff --git a/include/asm-ppc/serial.h b/include/asm-ppc/serial.h index 485a924e4d06..b74af5461564 100644 --- a/include/asm-ppc/serial.h +++ b/include/asm-ppc/serial.h @@ -41,15 +41,10 @@ #else /* - * XXX Assume for now it has PC-style ISA serial ports. - * This is true for PReP and CHRP at least. + * XXX Assume it has PC-style ISA serial ports - true for PReP at least. */ #include <asm/pc_serial.h> -#if defined(CONFIG_MAC_SERIAL) -#define SERIAL_DEV_OFFSET ((_machine == _MACH_prep || _machine == _MACH_chrp) ? 0 : 2) -#endif - #endif /* !CONFIG_GEMINI and others */ #endif /* __ASM_SERIAL_H__ */ #endif /* __KERNEL__ */ diff --git a/include/asm-s390/bitops.h b/include/asm-s390/bitops.h index 3628899f48bb..ca092ffb7a95 100644 --- a/include/asm-s390/bitops.h +++ b/include/asm-s390/bitops.h @@ -828,35 +828,12 @@ static inline int sched_find_first_bit(unsigned long *b) return find_first_bit(b, 140); } -/* - * ffs: find first bit set. This is defined the same way as - * the libc and compiler builtin ffs routines, therefore - * differs in spirit from the above ffz (man ffs). - */ -#define ffs(x) generic_ffs(x) +#include <asm-generic/bitops/ffs.h> -/* - * fls: find last bit set. - */ -#define fls(x) generic_fls(x) -#define fls64(x) generic_fls64(x) - -/* - * hweightN: returns the hamming weight (i.e. the number - * of bits set) of a N-bit word - */ -#define hweight64(x) \ -({ \ - unsigned long __x = (x); \ - unsigned int __w; \ - __w = generic_hweight32((unsigned int) __x); \ - __w += generic_hweight32((unsigned int) (__x>>32)); \ - __w; \ -}) -#define hweight32(x) generic_hweight32(x) -#define hweight16(x) generic_hweight16(x) -#define hweight8(x) generic_hweight8(x) +#include <asm-generic/bitops/fls.h> +#include <asm-generic/bitops/fls64.h> +#include <asm-generic/bitops/hweight.h> #ifdef __KERNEL__ @@ -871,11 +848,11 @@ static inline int sched_find_first_bit(unsigned long *b) */ #define ext2_set_bit(nr, addr) \ - test_and_set_bit((nr)^(__BITOPS_WORDSIZE - 8), (unsigned long *)addr) + __test_and_set_bit((nr)^(__BITOPS_WORDSIZE - 8), (unsigned long *)addr) #define ext2_set_bit_atomic(lock, nr, addr) \ test_and_set_bit((nr)^(__BITOPS_WORDSIZE - 8), (unsigned long *)addr) #define ext2_clear_bit(nr, addr) \ - test_and_clear_bit((nr)^(__BITOPS_WORDSIZE - 8), (unsigned long *)addr) + __test_and_clear_bit((nr)^(__BITOPS_WORDSIZE - 8), (unsigned long *)addr) #define ext2_clear_bit_atomic(lock, nr, addr) \ test_and_clear_bit((nr)^(__BITOPS_WORDSIZE - 8), (unsigned long *)addr) #define ext2_test_bit(nr, addr) \ @@ -1011,18 +988,7 @@ ext2_find_next_zero_bit(void *vaddr, unsigned long size, unsigned long offset) return offset + ext2_find_first_zero_bit(p, size); } -/* Bitmap functions for the minix filesystem. */ -/* FIXME !!! */ -#define minix_test_and_set_bit(nr,addr) \ - test_and_set_bit(nr,(unsigned long *)addr) -#define minix_set_bit(nr,addr) \ - set_bit(nr,(unsigned long *)addr) -#define minix_test_and_clear_bit(nr,addr) \ - test_and_clear_bit(nr,(unsigned long *)addr) -#define minix_test_bit(nr,addr) \ - test_bit(nr,(unsigned long *)addr) -#define minix_find_first_zero_bit(addr,size) \ - find_first_zero_bit(addr,size) +#include <asm-generic/bitops/minix.h> #endif /* __KERNEL__ */ diff --git a/include/asm-s390/compat.h b/include/asm-s390/compat.h index a007715f4aea..356a0b183539 100644 --- a/include/asm-s390/compat.h +++ b/include/asm-s390/compat.h @@ -128,6 +128,11 @@ static inline void __user *compat_ptr(compat_uptr_t uptr) return (void __user *)(unsigned long)(uptr & 0x7fffffffUL); } +static inline compat_uptr_t ptr_to_compat(void __user *uptr) +{ + return (u32)(unsigned long)uptr; +} + static inline void __user *compat_alloc_user_space(long len) { unsigned long stack; diff --git a/include/asm-s390/page.h b/include/asm-s390/page.h index 2430c561e021..3b1138ac7e79 100644 --- a/include/asm-s390/page.h +++ b/include/asm-s390/page.h @@ -181,8 +181,6 @@ page_get_storage_key(unsigned long addr) #define PAGE_OFFSET 0x0UL #define __pa(x) (unsigned long)(x) #define __va(x) (void *)(unsigned long)(x) -#define pfn_to_page(pfn) (mem_map + (pfn)) -#define page_to_pfn(page) ((unsigned long)((page) - mem_map)) #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) #define pfn_valid(pfn) ((pfn) < max_mapnr) @@ -193,6 +191,7 @@ page_get_storage_key(unsigned long addr) #endif /* __KERNEL__ */ +#include <asm-generic/memory_model.h> #include <asm-generic/page.h> #endif /* _S390_PAGE_H */ diff --git a/include/asm-s390/poll.h b/include/asm-s390/poll.h index e90a5ca42061..6f7f65ac7d27 100644 --- a/include/asm-s390/poll.h +++ b/include/asm-s390/poll.h @@ -24,6 +24,7 @@ #define POLLWRBAND 0x0200 #define POLLMSG 0x0400 #define POLLREMOVE 0x1000 +#define POLLRDHUP 0x2000 struct pollfd { int fd; diff --git a/include/asm-s390/types.h b/include/asm-s390/types.h index d0be3e477013..5738ad63537c 100644 --- a/include/asm-s390/types.h +++ b/include/asm-s390/types.h @@ -93,6 +93,11 @@ typedef u64 sector_t; #define HAVE_SECTOR_T #endif +#ifdef CONFIG_LSF +typedef u64 blkcnt_t; +#define HAVE_BLKCNT_T +#endif + #endif /* ! __s390x__ */ #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ diff --git a/include/asm-sh/addrspace.h b/include/asm-sh/addrspace.h index dbb05d1a26d1..720afc11c2ca 100644 --- a/include/asm-sh/addrspace.h +++ b/include/asm-sh/addrspace.h @@ -13,7 +13,7 @@ #include <asm/cpu/addrspace.h> -/* Memory segments (32bit Priviledged mode addresses) */ +/* Memory segments (32bit Privileged mode addresses) */ #define P0SEG 0x00000000 #define P1SEG 0x80000000 #define P2SEG 0xa0000000 diff --git a/include/asm-sh/bitops.h b/include/asm-sh/bitops.h index 1c5260860045..e34f82508568 100644 --- a/include/asm-sh/bitops.h +++ b/include/asm-sh/bitops.h @@ -19,16 +19,6 @@ static __inline__ void set_bit(int nr, volatile void * addr) local_irq_restore(flags); } -static __inline__ void __set_bit(int nr, volatile void * addr) -{ - int mask; - volatile unsigned int *a = addr; - - a += nr >> 5; - mask = 1 << (nr & 0x1f); - *a |= mask; -} - /* * clear_bit() doesn't provide any barrier for the compiler. */ @@ -47,16 +37,6 @@ static __inline__ void clear_bit(int nr, volatile void * addr) local_irq_restore(flags); } -static __inline__ void __clear_bit(int nr, volatile void * addr) -{ - int mask; - volatile unsigned int *a = addr; - - a += nr >> 5; - mask = 1 << (nr & 0x1f); - *a &= ~mask; -} - static __inline__ void change_bit(int nr, volatile void * addr) { int mask; @@ -70,16 +50,6 @@ static __inline__ void change_bit(int nr, volatile void * addr) local_irq_restore(flags); } -static __inline__ void __change_bit(int nr, volatile void * addr) -{ - int mask; - volatile unsigned int *a = addr; - - a += nr >> 5; - mask = 1 << (nr & 0x1f); - *a ^= mask; -} - static __inline__ int test_and_set_bit(int nr, volatile void * addr) { int mask, retval; @@ -96,19 +66,6 @@ static __inline__ int test_and_set_bit(int nr, volatile void * addr) return retval; } -static __inline__ int __test_and_set_bit(int nr, volatile void * addr) -{ - int mask, retval; - volatile unsigned int *a = addr; - - a += nr >> 5; - mask = 1 << (nr & 0x1f); - retval = (mask & *a) != 0; - *a |= mask; - - return retval; -} - static __inline__ int test_and_clear_bit(int nr, volatile void * addr) { int mask, retval; @@ -125,19 +82,6 @@ static __inline__ int test_and_clear_bit(int nr, volatile void * addr) return retval; } -static __inline__ int __test_and_clear_bit(int nr, volatile void * addr) -{ - int mask, retval; - volatile unsigned int *a = addr; - - a += nr >> 5; - mask = 1 << (nr & 0x1f); - retval = (mask & *a) != 0; - *a &= ~mask; - - return retval; -} - static __inline__ int test_and_change_bit(int nr, volatile void * addr) { int mask, retval; @@ -154,23 +98,7 @@ static __inline__ int test_and_change_bit(int nr, volatile void * addr) return retval; } -static __inline__ int __test_and_change_bit(int nr, volatile void * addr) -{ - int mask, retval; - volatile unsigned int *a = addr; - - a += nr >> 5; - mask = 1 << (nr & 0x1f); - retval = (mask & *a) != 0; - *a ^= mask; - - return retval; -} - -static __inline__ int test_bit(int nr, const volatile void *addr) -{ - return 1UL & (((const volatile unsigned int *) addr)[nr >> 5] >> (nr & 31)); -} +#include <asm-generic/bitops/non-atomic.h> static __inline__ unsigned long ffz(unsigned long word) { @@ -206,271 +134,15 @@ static __inline__ unsigned long __ffs(unsigned long word) return result; } -/** - * find_next_bit - find the next set bit in a memory region - * @addr: The address to base the search on - * @offset: The bitnumber to start searching at - * @size: The maximum size to search - */ -static __inline__ unsigned long find_next_bit(const unsigned long *addr, - unsigned long size, unsigned long offset) -{ - unsigned int *p = ((unsigned int *) addr) + (offset >> 5); - unsigned int result = offset & ~31UL; - unsigned int tmp; - - if (offset >= size) - return size; - size -= result; - offset &= 31UL; - if (offset) { - tmp = *p++; - tmp &= ~0UL << offset; - if (size < 32) - goto found_first; - if (tmp) - goto found_middle; - size -= 32; - result += 32; - } - while (size >= 32) { - if ((tmp = *p++) != 0) - goto found_middle; - result += 32; - size -= 32; - } - if (!size) - return result; - tmp = *p; - -found_first: - tmp &= ~0UL >> (32 - size); - if (tmp == 0UL) /* Are any bits set? */ - return result + size; /* Nope. */ -found_middle: - return result + __ffs(tmp); -} - -/** - * find_first_bit - find the first set bit in a memory region - * @addr: The address to start the search at - * @size: The maximum size to search - * - * Returns the bit-number of the first set bit, not the number of the byte - * containing a bit. - */ -#define find_first_bit(addr, size) \ - find_next_bit((addr), (size), 0) - -static __inline__ int find_next_zero_bit(const unsigned long *addr, int size, int offset) -{ - const unsigned long *p = ((unsigned long *) addr) + (offset >> 5); - unsigned long result = offset & ~31UL; - unsigned long tmp; - - if (offset >= size) - return size; - size -= result; - offset &= 31UL; - if (offset) { - tmp = *(p++); - tmp |= ~0UL >> (32-offset); - if (size < 32) - goto found_first; - if (~tmp) - goto found_middle; - size -= 32; - result += 32; - } - while (size & ~31UL) { - if (~(tmp = *(p++))) - goto found_middle; - result += 32; - size -= 32; - } - if (!size) - return result; - tmp = *p; - -found_first: - tmp |= ~0UL << size; -found_middle: - return result + ffz(tmp); -} - -#define find_first_zero_bit(addr, size) \ - find_next_zero_bit((addr), (size), 0) - -/* - * ffs: find first bit set. This is defined the same way as - * the libc and compiler builtin ffs routines, therefore - * differs in spirit from the above ffz (man ffs). - */ - -#define ffs(x) generic_ffs(x) - -/* - * hweightN: returns the hamming weight (i.e. the number - * of bits set) of a N-bit word - */ - -#define hweight32(x) generic_hweight32(x) -#define hweight16(x) generic_hweight16(x) -#define hweight8(x) generic_hweight8(x) - -/* - * Every architecture must define this function. It's the fastest - * way of searching a 140-bit bitmap where the first 100 bits are - * unlikely to be set. It's guaranteed that at least one of the 140 - * bits is cleared. - */ - -static inline int sched_find_first_bit(const unsigned long *b) -{ - if (unlikely(b[0])) - return __ffs(b[0]); - if (unlikely(b[1])) - return __ffs(b[1]) + 32; - if (unlikely(b[2])) - return __ffs(b[2]) + 64; - if (b[3]) - return __ffs(b[3]) + 96; - return __ffs(b[4]) + 128; -} - -#ifdef __LITTLE_ENDIAN__ -#define ext2_set_bit(nr, addr) test_and_set_bit((nr), (addr)) -#define ext2_clear_bit(nr, addr) test_and_clear_bit((nr), (addr)) -#define ext2_test_bit(nr, addr) test_bit((nr), (addr)) -#define ext2_find_first_zero_bit(addr, size) find_first_zero_bit((addr), (size)) -#define ext2_find_next_zero_bit(addr, size, offset) \ - find_next_zero_bit((unsigned long *)(addr), (size), (offset)) -#else -static __inline__ int ext2_set_bit(int nr, volatile void * addr) -{ - int mask, retval; - unsigned long flags; - volatile unsigned char *ADDR = (unsigned char *) addr; - - ADDR += nr >> 3; - mask = 1 << (nr & 0x07); - local_irq_save(flags); - retval = (mask & *ADDR) != 0; - *ADDR |= mask; - local_irq_restore(flags); - return retval; -} - -static __inline__ int ext2_clear_bit(int nr, volatile void * addr) -{ - int mask, retval; - unsigned long flags; - volatile unsigned char *ADDR = (unsigned char *) addr; - - ADDR += nr >> 3; - mask = 1 << (nr & 0x07); - local_irq_save(flags); - retval = (mask & *ADDR) != 0; - *ADDR &= ~mask; - local_irq_restore(flags); - return retval; -} - -static __inline__ int ext2_test_bit(int nr, const volatile void * addr) -{ - int mask; - const volatile unsigned char *ADDR = (const unsigned char *) addr; - - ADDR += nr >> 3; - mask = 1 << (nr & 0x07); - return ((mask & *ADDR) != 0); -} - -#define ext2_find_first_zero_bit(addr, size) \ - ext2_find_next_zero_bit((addr), (size), 0) - -static __inline__ unsigned long ext2_find_next_zero_bit(void *addr, unsigned long size, unsigned long offset) -{ - unsigned long *p = ((unsigned long *) addr) + (offset >> 5); - unsigned long result = offset & ~31UL; - unsigned long tmp; - - if (offset >= size) - return size; - size -= result; - offset &= 31UL; - if(offset) { - /* We hold the little endian value in tmp, but then the - * shift is illegal. So we could keep a big endian value - * in tmp, like this: - * - * tmp = __swab32(*(p++)); - * tmp |= ~0UL >> (32-offset); - * - * but this would decrease preformance, so we change the - * shift: - */ - tmp = *(p++); - tmp |= __swab32(~0UL >> (32-offset)); - if(size < 32) - goto found_first; - if(~tmp) - goto found_middle; - size -= 32; - result += 32; - } - while(size & ~31UL) { - if(~(tmp = *(p++))) - goto found_middle; - result += 32; - size -= 32; - } - if(!size) - return result; - tmp = *p; - -found_first: - /* tmp is little endian, so we would have to swab the shift, - * see above. But then we have to swab tmp below for ffz, so - * we might as well do this here. - */ - return result + ffz(__swab32(tmp) | (~0UL << size)); -found_middle: - return result + ffz(__swab32(tmp)); -} -#endif - -#define ext2_set_bit_atomic(lock, nr, addr) \ - ({ \ - int ret; \ - spin_lock(lock); \ - ret = ext2_set_bit((nr), (addr)); \ - spin_unlock(lock); \ - ret; \ - }) - -#define ext2_clear_bit_atomic(lock, nr, addr) \ - ({ \ - int ret; \ - spin_lock(lock); \ - ret = ext2_clear_bit((nr), (addr)); \ - spin_unlock(lock); \ - ret; \ - }) - -/* Bitmap functions for the minix filesystem. */ -#define minix_test_and_set_bit(nr,addr) test_and_set_bit(nr,addr) -#define minix_set_bit(nr,addr) set_bit(nr,addr) -#define minix_test_and_clear_bit(nr,addr) test_and_clear_bit(nr,addr) -#define minix_test_bit(nr,addr) test_bit(nr,addr) -#define minix_find_first_zero_bit(addr,size) find_first_zero_bit(addr,size) - -/* - * fls: find last bit set. - */ - -#define fls(x) generic_fls(x) -#define fls64(x) generic_fls64(x) +#include <asm-generic/bitops/find.h> +#include <asm-generic/bitops/ffs.h> +#include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/sched.h> +#include <asm-generic/bitops/ext2-non-atomic.h> +#include <asm-generic/bitops/ext2-atomic.h> +#include <asm-generic/bitops/minix.h> +#include <asm-generic/bitops/fls.h> +#include <asm-generic/bitops/fls64.h> #endif /* __KERNEL__ */ diff --git a/include/asm-sh/page.h b/include/asm-sh/page.h index 972c3f655b2a..9c89287c3e56 100644 --- a/include/asm-sh/page.h +++ b/include/asm-sh/page.h @@ -105,9 +105,7 @@ typedef struct { unsigned long pgprot; } pgprot_t; /* PFN start number, because of __MEMORY_START */ #define PFN_START (__MEMORY_START >> PAGE_SHIFT) - -#define pfn_to_page(pfn) (mem_map + (pfn) - PFN_START) -#define page_to_pfn(page) ((unsigned long)((page) - mem_map) + PFN_START) +#define ARCH_PFN_OFFSET (FPN_START) #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) #define pfn_valid(pfn) (((pfn) - PFN_START) < max_mapnr) #define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT) @@ -117,6 +115,7 @@ typedef struct { unsigned long pgprot; } pgprot_t; #endif /* __KERNEL__ */ +#include <asm-generic/memory_model.h> #include <asm-generic/page.h> #endif /* __ASM_SH_PAGE_H */ diff --git a/include/asm-sh/poll.h b/include/asm-sh/poll.h index 52f95b9188dc..dbca9b32f4a6 100644 --- a/include/asm-sh/poll.h +++ b/include/asm-sh/poll.h @@ -16,6 +16,7 @@ #define POLLWRBAND 0x0200 #define POLLMSG 0x0400 #define POLLREMOVE 0x1000 +#define POLLRDHUP 0x2000 struct pollfd { int fd; diff --git a/include/asm-sh/stat.h b/include/asm-sh/stat.h index 914e3fcbbd37..6c41a60657f1 100644 --- a/include/asm-sh/stat.h +++ b/include/asm-sh/stat.h @@ -60,13 +60,7 @@ struct stat64 { long long st_size; unsigned long st_blksize; -#if defined(__BIG_ENDIAN__) - unsigned long __pad4; /* Future possible st_blocks hi bits */ - unsigned long st_blocks; /* Number 512-byte blocks allocated. */ -#else /* Must be little */ - unsigned long st_blocks; /* Number 512-byte blocks allocated. */ - unsigned long __pad4; /* Future possible st_blocks hi bits */ -#endif + unsigned long long st_blocks; /* Number 512-byte blocks allocated. */ unsigned long st_atime; unsigned long st_atime_nsec; diff --git a/include/asm-sh/thread_info.h b/include/asm-sh/thread_info.h index 85f0c11b4319..7345350d98c0 100644 --- a/include/asm-sh/thread_info.h +++ b/include/asm-sh/thread_info.h @@ -18,7 +18,7 @@ struct thread_info { struct task_struct *task; /* main task structure */ struct exec_domain *exec_domain; /* execution domain */ - __u32 flags; /* low level flags */ + unsigned long flags; /* low level flags */ __u32 cpu; int preempt_count; /* 0 => preemptable, <0 => BUG */ struct restart_block restart_block; diff --git a/include/asm-sh/types.h b/include/asm-sh/types.h index cb7e183a0a6b..488552f43b2a 100644 --- a/include/asm-sh/types.h +++ b/include/asm-sh/types.h @@ -58,6 +58,11 @@ typedef u64 sector_t; #define HAVE_SECTOR_T #endif +#ifdef CONFIG_LSF +typedef u64 blkcnt_t; +#define HAVE_BLKCNT_T +#endif + #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ diff --git a/include/asm-sh64/bitops.h b/include/asm-sh64/bitops.h index ce9c3ad45fe0..f3bdcdb5d046 100644 --- a/include/asm-sh64/bitops.h +++ b/include/asm-sh64/bitops.h @@ -31,16 +31,6 @@ static __inline__ void set_bit(int nr, volatile void * addr) local_irq_restore(flags); } -static inline void __set_bit(int nr, void *addr) -{ - int mask; - unsigned int *a = addr; - - a += nr >> 5; - mask = 1 << (nr & 0x1f); - *a |= mask; -} - /* * clear_bit() doesn't provide any barrier for the compiler. */ @@ -58,15 +48,6 @@ static inline void clear_bit(int nr, volatile unsigned long *a) local_irq_restore(flags); } -static inline void __clear_bit(int nr, volatile unsigned long *a) -{ - int mask; - - a += nr >> 5; - mask = 1 << (nr & 0x1f); - *a &= ~mask; -} - static __inline__ void change_bit(int nr, volatile void * addr) { int mask; @@ -80,16 +61,6 @@ static __inline__ void change_bit(int nr, volatile void * addr) local_irq_restore(flags); } -static __inline__ void __change_bit(int nr, volatile void * addr) -{ - int mask; - volatile unsigned int *a = addr; - - a += nr >> 5; - mask = 1 << (nr & 0x1f); - *a ^= mask; -} - static __inline__ int test_and_set_bit(int nr, volatile void * addr) { int mask, retval; @@ -106,19 +77,6 @@ static __inline__ int test_and_set_bit(int nr, volatile void * addr) return retval; } -static __inline__ int __test_and_set_bit(int nr, volatile void * addr) -{ - int mask, retval; - volatile unsigned int *a = addr; - - a += nr >> 5; - mask = 1 << (nr & 0x1f); - retval = (mask & *a) != 0; - *a |= mask; - - return retval; -} - static __inline__ int test_and_clear_bit(int nr, volatile void * addr) { int mask, retval; @@ -135,19 +93,6 @@ static __inline__ int test_and_clear_bit(int nr, volatile void * addr) return retval; } -static __inline__ int __test_and_clear_bit(int nr, volatile void * addr) -{ - int mask, retval; - volatile unsigned int *a = addr; - - a += nr >> 5; - mask = 1 << (nr & 0x1f); - retval = (mask & *a) != 0; - *a &= ~mask; - - return retval; -} - static __inline__ int test_and_change_bit(int nr, volatile void * addr) { int mask, retval; @@ -164,23 +109,7 @@ static __inline__ int test_and_change_bit(int nr, volatile void * addr) return retval; } -static __inline__ int __test_and_change_bit(int nr, volatile void * addr) -{ - int mask, retval; - volatile unsigned int *a = addr; - - a += nr >> 5; - mask = 1 << (nr & 0x1f); - retval = (mask & *a) != 0; - *a ^= mask; - - return retval; -} - -static __inline__ int test_bit(int nr, const volatile void *addr) -{ - return 1UL & (((const volatile unsigned int *) addr)[nr >> 5] >> (nr & 31)); -} +#include <asm-generic/bitops/non-atomic.h> static __inline__ unsigned long ffz(unsigned long word) { @@ -204,313 +133,16 @@ static __inline__ unsigned long ffz(unsigned long word) return result; } -/** - * __ffs - find first bit in word - * @word: The word to search - * - * Undefined if no bit exists, so code should check against 0 first. - */ -static inline unsigned long __ffs(unsigned long word) -{ - int r = 0; - - if (!word) - return 0; - if (!(word & 0xffff)) { - word >>= 16; - r += 16; - } - if (!(word & 0xff)) { - word >>= 8; - r += 8; - } - if (!(word & 0xf)) { - word >>= 4; - r += 4; - } - if (!(word & 3)) { - word >>= 2; - r += 2; - } - if (!(word & 1)) { - word >>= 1; - r += 1; - } - return r; -} - -/** - * find_next_bit - find the next set bit in a memory region - * @addr: The address to base the search on - * @offset: The bitnumber to start searching at - * @size: The maximum size to search - */ -static inline unsigned long find_next_bit(const unsigned long *addr, - unsigned long size, unsigned long offset) -{ - unsigned int *p = ((unsigned int *) addr) + (offset >> 5); - unsigned int result = offset & ~31UL; - unsigned int tmp; - - if (offset >= size) - return size; - size -= result; - offset &= 31UL; - if (offset) { - tmp = *p++; - tmp &= ~0UL << offset; - if (size < 32) - goto found_first; - if (tmp) - goto found_middle; - size -= 32; - result += 32; - } - while (size >= 32) { - if ((tmp = *p++) != 0) - goto found_middle; - result += 32; - size -= 32; - } - if (!size) - return result; - tmp = *p; - -found_first: - tmp &= ~0UL >> (32 - size); - if (tmp == 0UL) /* Are any bits set? */ - return result + size; /* Nope. */ -found_middle: - return result + __ffs(tmp); -} - -/** - * find_first_bit - find the first set bit in a memory region - * @addr: The address to start the search at - * @size: The maximum size to search - * - * Returns the bit-number of the first set bit, not the number of the byte - * containing a bit. - */ -#define find_first_bit(addr, size) \ - find_next_bit((addr), (size), 0) - - -static inline int find_next_zero_bit(void *addr, int size, int offset) -{ - unsigned long *p = ((unsigned long *) addr) + (offset >> 5); - unsigned long result = offset & ~31UL; - unsigned long tmp; - - if (offset >= size) - return size; - size -= result; - offset &= 31UL; - if (offset) { - tmp = *(p++); - tmp |= ~0UL >> (32-offset); - if (size < 32) - goto found_first; - if (~tmp) - goto found_middle; - size -= 32; - result += 32; - } - while (size & ~31UL) { - if (~(tmp = *(p++))) - goto found_middle; - result += 32; - size -= 32; - } - if (!size) - return result; - tmp = *p; - -found_first: - tmp |= ~0UL << size; -found_middle: - return result + ffz(tmp); -} - -#define find_first_zero_bit(addr, size) \ - find_next_zero_bit((addr), (size), 0) - -/* - * hweightN: returns the hamming weight (i.e. the number - * of bits set) of a N-bit word - */ - -#define hweight32(x) generic_hweight32(x) -#define hweight16(x) generic_hweight16(x) -#define hweight8(x) generic_hweight8(x) - -/* - * Every architecture must define this function. It's the fastest - * way of searching a 140-bit bitmap where the first 100 bits are - * unlikely to be set. It's guaranteed that at least one of the 140 - * bits is cleared. - */ - -static inline int sched_find_first_bit(unsigned long *b) -{ - if (unlikely(b[0])) - return __ffs(b[0]); - if (unlikely(b[1])) - return __ffs(b[1]) + 32; - if (unlikely(b[2])) - return __ffs(b[2]) + 64; - if (b[3]) - return __ffs(b[3]) + 96; - return __ffs(b[4]) + 128; -} - -/* - * ffs: find first bit set. This is defined the same way as - * the libc and compiler builtin ffs routines, therefore - * differs in spirit from the above ffz (man ffs). - */ - -#define ffs(x) generic_ffs(x) - -/* - * hweightN: returns the hamming weight (i.e. the number - * of bits set) of a N-bit word - */ - -#define hweight32(x) generic_hweight32(x) -#define hweight16(x) generic_hweight16(x) -#define hweight8(x) generic_hweight8(x) - -#ifdef __LITTLE_ENDIAN__ -#define ext2_set_bit(nr, addr) test_and_set_bit((nr), (addr)) -#define ext2_clear_bit(nr, addr) test_and_clear_bit((nr), (addr)) -#define ext2_test_bit(nr, addr) test_bit((nr), (addr)) -#define ext2_find_first_zero_bit(addr, size) find_first_zero_bit((addr), (size)) -#define ext2_find_next_zero_bit(addr, size, offset) \ - find_next_zero_bit((addr), (size), (offset)) -#else -static __inline__ int ext2_set_bit(int nr, volatile void * addr) -{ - int mask, retval; - unsigned long flags; - volatile unsigned char *ADDR = (unsigned char *) addr; - - ADDR += nr >> 3; - mask = 1 << (nr & 0x07); - local_irq_save(flags); - retval = (mask & *ADDR) != 0; - *ADDR |= mask; - local_irq_restore(flags); - return retval; -} - -static __inline__ int ext2_clear_bit(int nr, volatile void * addr) -{ - int mask, retval; - unsigned long flags; - volatile unsigned char *ADDR = (unsigned char *) addr; - - ADDR += nr >> 3; - mask = 1 << (nr & 0x07); - local_irq_save(flags); - retval = (mask & *ADDR) != 0; - *ADDR &= ~mask; - local_irq_restore(flags); - return retval; -} - -static __inline__ int ext2_test_bit(int nr, const volatile void * addr) -{ - int mask; - const volatile unsigned char *ADDR = (const unsigned char *) addr; - - ADDR += nr >> 3; - mask = 1 << (nr & 0x07); - return ((mask & *ADDR) != 0); -} - -#define ext2_find_first_zero_bit(addr, size) \ - ext2_find_next_zero_bit((addr), (size), 0) - -static __inline__ unsigned long ext2_find_next_zero_bit(void *addr, unsigned long size, unsigned long offset) -{ - unsigned long *p = ((unsigned long *) addr) + (offset >> 5); - unsigned long result = offset & ~31UL; - unsigned long tmp; - - if (offset >= size) - return size; - size -= result; - offset &= 31UL; - if(offset) { - /* We hold the little endian value in tmp, but then the - * shift is illegal. So we could keep a big endian value - * in tmp, like this: - * - * tmp = __swab32(*(p++)); - * tmp |= ~0UL >> (32-offset); - * - * but this would decrease preformance, so we change the - * shift: - */ - tmp = *(p++); - tmp |= __swab32(~0UL >> (32-offset)); - if(size < 32) - goto found_first; - if(~tmp) - goto found_middle; - size -= 32; - result += 32; - } - while(size & ~31UL) { - if(~(tmp = *(p++))) - goto found_middle; - result += 32; - size -= 32; - } - if(!size) - return result; - tmp = *p; - -found_first: - /* tmp is little endian, so we would have to swab the shift, - * see above. But then we have to swab tmp below for ffz, so - * we might as well do this here. - */ - return result + ffz(__swab32(tmp) | (~0UL << size)); -found_middle: - return result + ffz(__swab32(tmp)); -} -#endif - -#define ext2_set_bit_atomic(lock, nr, addr) \ - ({ \ - int ret; \ - spin_lock(lock); \ - ret = ext2_set_bit((nr), (addr)); \ - spin_unlock(lock); \ - ret; \ - }) - -#define ext2_clear_bit_atomic(lock, nr, addr) \ - ({ \ - int ret; \ - spin_lock(lock); \ - ret = ext2_clear_bit((nr), (addr)); \ - spin_unlock(lock); \ - ret; \ - }) - -/* Bitmap functions for the minix filesystem. */ -#define minix_test_and_set_bit(nr,addr) test_and_set_bit(nr,addr) -#define minix_set_bit(nr,addr) set_bit(nr,addr) -#define minix_test_and_clear_bit(nr,addr) test_and_clear_bit(nr,addr) -#define minix_test_bit(nr,addr) test_bit(nr,addr) -#define minix_find_first_zero_bit(addr,size) find_first_zero_bit(addr,size) - -#define ffs(x) generic_ffs(x) -#define fls(x) generic_fls(x) -#define fls64(x) generic_fls64(x) +#include <asm-generic/bitops/__ffs.h> +#include <asm-generic/bitops/find.h> +#include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/sched.h> +#include <asm-generic/bitops/ffs.h> +#include <asm-generic/bitops/ext2-non-atomic.h> +#include <asm-generic/bitops/ext2-atomic.h> +#include <asm-generic/bitops/minix.h> +#include <asm-generic/bitops/fls.h> +#include <asm-generic/bitops/fls64.h> #endif /* __KERNEL__ */ diff --git a/include/asm-sh64/page.h b/include/asm-sh64/page.h index c86df90f7cbd..e4937cdabebd 100644 --- a/include/asm-sh64/page.h +++ b/include/asm-sh64/page.h @@ -105,9 +105,7 @@ typedef struct { unsigned long pgprot; } pgprot_t; /* PFN start number, because of __MEMORY_START */ #define PFN_START (__MEMORY_START >> PAGE_SHIFT) - -#define pfn_to_page(pfn) (mem_map + (pfn) - PFN_START) -#define page_to_pfn(page) ((unsigned long)((page) - mem_map) + PFN_START) +#define ARCH_PFN_OFFSET (PFN_START) #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) #define pfn_valid(pfn) (((pfn) - PFN_START) < max_mapnr) #define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT) @@ -117,6 +115,7 @@ typedef struct { unsigned long pgprot; } pgprot_t; #endif /* __KERNEL__ */ +#include <asm-generic/memory_model.h> #include <asm-generic/page.h> #endif /* __ASM_SH64_PAGE_H */ diff --git a/include/asm-sh64/platform.h b/include/asm-sh64/platform.h index 7046a9014027..bd0d9c405a80 100644 --- a/include/asm-sh64/platform.h +++ b/include/asm-sh64/platform.h @@ -61,9 +61,4 @@ extern int platform_int_priority[NR_INTC_IRQS]; #define code_resource (platform_parms.kram_res_p[STANDARD_KRAM_RESOURCES - 2]) #define data_resource (platform_parms.kram_res_p[STANDARD_KRAM_RESOURCES - 1]) -/* Be prepared to 64-bit sign extensions */ -#define PFN_UP(x) ((((x) + PAGE_SIZE-1) >> PAGE_SHIFT) & 0x000fffff) -#define PFN_DOWN(x) (((x) >> PAGE_SHIFT) & 0x000fffff) -#define PFN_PHYS(x) ((x) << PAGE_SHIFT) - #endif /* __ASM_SH64_PLATFORM_H */ diff --git a/include/asm-sh64/poll.h b/include/asm-sh64/poll.h index a420d14eb704..3a6cbad08d28 100644 --- a/include/asm-sh64/poll.h +++ b/include/asm-sh64/poll.h @@ -26,6 +26,7 @@ #define POLLWRNORM 0x0100 #define POLLWRBAND 0x0200 #define POLLMSG 0x0400 +#define POLLRDHUP 0x2000 struct pollfd { int fd; diff --git a/include/asm-sparc/bitops.h b/include/asm-sparc/bitops.h index 41722b5e45ef..04aa3318f76a 100644 --- a/include/asm-sparc/bitops.h +++ b/include/asm-sparc/bitops.h @@ -152,386 +152,22 @@ static inline void change_bit(unsigned long nr, volatile unsigned long *addr) : "memory", "cc"); } -/* - * non-atomic versions - */ -static inline void __set_bit(int nr, volatile unsigned long *addr) -{ - unsigned long mask = 1UL << (nr & 0x1f); - unsigned long *p = ((unsigned long *)addr) + (nr >> 5); - - *p |= mask; -} - -static inline void __clear_bit(int nr, volatile unsigned long *addr) -{ - unsigned long mask = 1UL << (nr & 0x1f); - unsigned long *p = ((unsigned long *)addr) + (nr >> 5); - - *p &= ~mask; -} - -static inline void __change_bit(int nr, volatile unsigned long *addr) -{ - unsigned long mask = 1UL << (nr & 0x1f); - unsigned long *p = ((unsigned long *)addr) + (nr >> 5); - - *p ^= mask; -} - -static inline int __test_and_set_bit(int nr, volatile unsigned long *addr) -{ - unsigned long mask = 1UL << (nr & 0x1f); - unsigned long *p = ((unsigned long *)addr) + (nr >> 5); - unsigned long old = *p; - - *p = old | mask; - return (old & mask) != 0; -} - -static inline int __test_and_clear_bit(int nr, volatile unsigned long *addr) -{ - unsigned long mask = 1UL << (nr & 0x1f); - unsigned long *p = ((unsigned long *)addr) + (nr >> 5); - unsigned long old = *p; - - *p = old & ~mask; - return (old & mask) != 0; -} - -static inline int __test_and_change_bit(int nr, volatile unsigned long *addr) -{ - unsigned long mask = 1UL << (nr & 0x1f); - unsigned long *p = ((unsigned long *)addr) + (nr >> 5); - unsigned long old = *p; - - *p = old ^ mask; - return (old & mask) != 0; -} +#include <asm-generic/bitops/non-atomic.h> #define smp_mb__before_clear_bit() do { } while(0) #define smp_mb__after_clear_bit() do { } while(0) -/* The following routine need not be atomic. */ -static inline int test_bit(int nr, __const__ volatile unsigned long *addr) -{ - return (1UL & (((unsigned long *)addr)[nr >> 5] >> (nr & 31))) != 0UL; -} - -/* The easy/cheese version for now. */ -static inline unsigned long ffz(unsigned long word) -{ - unsigned long result = 0; - - while(word & 1) { - result++; - word >>= 1; - } - return result; -} - -/** - * __ffs - find first bit in word. - * @word: The word to search - * - * Undefined if no bit exists, so code should check against 0 first. - */ -static inline int __ffs(unsigned long word) -{ - int num = 0; - - if ((word & 0xffff) == 0) { - num += 16; - word >>= 16; - } - if ((word & 0xff) == 0) { - num += 8; - word >>= 8; - } - if ((word & 0xf) == 0) { - num += 4; - word >>= 4; - } - if ((word & 0x3) == 0) { - num += 2; - word >>= 2; - } - if ((word & 0x1) == 0) - num += 1; - return num; -} - -/* - * Every architecture must define this function. It's the fastest - * way of searching a 140-bit bitmap where the first 100 bits are - * unlikely to be set. It's guaranteed that at least one of the 140 - * bits is cleared. - */ -static inline int sched_find_first_bit(unsigned long *b) -{ - - if (unlikely(b[0])) - return __ffs(b[0]); - if (unlikely(b[1])) - return __ffs(b[1]) + 32; - if (unlikely(b[2])) - return __ffs(b[2]) + 64; - if (b[3]) - return __ffs(b[3]) + 96; - return __ffs(b[4]) + 128; -} - -/* - * ffs: find first bit set. This is defined the same way as - * the libc and compiler builtin ffs routines, therefore - * differs in spirit from the above ffz (man ffs). - */ -static inline int ffs(int x) -{ - if (!x) - return 0; - return __ffs((unsigned long)x) + 1; -} - -/* - * fls: find last (most-significant) bit set. - * Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32. - */ -#define fls(x) generic_fls(x) -#define fls64(x) generic_fls64(x) - -/* - * hweightN: returns the hamming weight (i.e. the number - * of bits set) of a N-bit word - */ -#define hweight32(x) generic_hweight32(x) -#define hweight16(x) generic_hweight16(x) -#define hweight8(x) generic_hweight8(x) - -/* - * find_next_zero_bit() finds the first zero bit in a bit string of length - * 'size' bits, starting the search at bit 'offset'. This is largely based - * on Linus's ALPHA routines, which are pretty portable BTW. - */ -static inline unsigned long find_next_zero_bit(const unsigned long *addr, - unsigned long size, unsigned long offset) -{ - const unsigned long *p = addr + (offset >> 5); - unsigned long result = offset & ~31UL; - unsigned long tmp; - - if (offset >= size) - return size; - size -= result; - offset &= 31UL; - if (offset) { - tmp = *(p++); - tmp |= ~0UL >> (32-offset); - if (size < 32) - goto found_first; - if (~tmp) - goto found_middle; - size -= 32; - result += 32; - } - while (size & ~31UL) { - if (~(tmp = *(p++))) - goto found_middle; - result += 32; - size -= 32; - } - if (!size) - return result; - tmp = *p; - -found_first: - tmp |= ~0UL << size; - if (tmp == ~0UL) /* Are any bits zero? */ - return result + size; /* Nope. */ -found_middle: - return result + ffz(tmp); -} - -/* - * Linus sez that gcc can optimize the following correctly, we'll see if this - * holds on the Sparc as it does for the ALPHA. - */ -#define find_first_zero_bit(addr, size) \ - find_next_zero_bit((addr), (size), 0) - -/** - * find_next_bit - find the first set bit in a memory region - * @addr: The address to base the search on - * @offset: The bitnumber to start searching at - * @size: The maximum size to search - * - * Scheduler induced bitop, do not use. - */ -static inline int find_next_bit(const unsigned long *addr, int size, int offset) -{ - const unsigned long *p = addr + (offset >> 5); - int num = offset & ~0x1f; - unsigned long word; - - word = *p++; - word &= ~((1 << (offset & 0x1f)) - 1); - while (num < size) { - if (word != 0) { - return __ffs(word) + num; - } - word = *p++; - num += 0x20; - } - return num; -} - -/** - * find_first_bit - find the first set bit in a memory region - * @addr: The address to start the search at - * @size: The maximum size to search - * - * Returns the bit-number of the first set bit, not the number of the byte - * containing a bit. - */ -#define find_first_bit(addr, size) \ - find_next_bit((addr), (size), 0) - -/* - */ -static inline int test_le_bit(int nr, __const__ unsigned long * addr) -{ - __const__ unsigned char *ADDR = (__const__ unsigned char *) addr; - return (ADDR[nr >> 3] >> (nr & 7)) & 1; -} - -/* - * non-atomic versions - */ -static inline void __set_le_bit(int nr, unsigned long *addr) -{ - unsigned char *ADDR = (unsigned char *)addr; - - ADDR += nr >> 3; - *ADDR |= 1 << (nr & 0x07); -} - -static inline void __clear_le_bit(int nr, unsigned long *addr) -{ - unsigned char *ADDR = (unsigned char *)addr; - - ADDR += nr >> 3; - *ADDR &= ~(1 << (nr & 0x07)); -} - -static inline int __test_and_set_le_bit(int nr, unsigned long *addr) -{ - int mask, retval; - unsigned char *ADDR = (unsigned char *)addr; - - ADDR += nr >> 3; - mask = 1 << (nr & 0x07); - retval = (mask & *ADDR) != 0; - *ADDR |= mask; - return retval; -} - -static inline int __test_and_clear_le_bit(int nr, unsigned long *addr) -{ - int mask, retval; - unsigned char *ADDR = (unsigned char *)addr; - - ADDR += nr >> 3; - mask = 1 << (nr & 0x07); - retval = (mask & *ADDR) != 0; - *ADDR &= ~mask; - return retval; -} - -static inline unsigned long find_next_zero_le_bit(const unsigned long *addr, - unsigned long size, unsigned long offset) -{ - const unsigned long *p = addr + (offset >> 5); - unsigned long result = offset & ~31UL; - unsigned long tmp; - - if (offset >= size) - return size; - size -= result; - offset &= 31UL; - if(offset) { - tmp = *(p++); - tmp |= __swab32(~0UL >> (32-offset)); - if(size < 32) - goto found_first; - if(~tmp) - goto found_middle; - size -= 32; - result += 32; - } - while(size & ~31UL) { - if(~(tmp = *(p++))) - goto found_middle; - result += 32; - size -= 32; - } - if(!size) - return result; - tmp = *p; - -found_first: - tmp = __swab32(tmp) | (~0UL << size); - if (tmp == ~0UL) /* Are any bits zero? */ - return result + size; /* Nope. */ - return result + ffz(tmp); - -found_middle: - return result + ffz(__swab32(tmp)); -} - -#define find_first_zero_le_bit(addr, size) \ - find_next_zero_le_bit((addr), (size), 0) - -#define ext2_set_bit(nr,addr) \ - __test_and_set_le_bit((nr),(unsigned long *)(addr)) -#define ext2_clear_bit(nr,addr) \ - __test_and_clear_le_bit((nr),(unsigned long *)(addr)) - -#define ext2_set_bit_atomic(lock, nr, addr) \ - ({ \ - int ret; \ - spin_lock(lock); \ - ret = ext2_set_bit((nr), (unsigned long *)(addr)); \ - spin_unlock(lock); \ - ret; \ - }) - -#define ext2_clear_bit_atomic(lock, nr, addr) \ - ({ \ - int ret; \ - spin_lock(lock); \ - ret = ext2_clear_bit((nr), (unsigned long *)(addr)); \ - spin_unlock(lock); \ - ret; \ - }) - -#define ext2_test_bit(nr,addr) \ - test_le_bit((nr),(unsigned long *)(addr)) -#define ext2_find_first_zero_bit(addr, size) \ - find_first_zero_le_bit((unsigned long *)(addr), (size)) -#define ext2_find_next_zero_bit(addr, size, off) \ - find_next_zero_le_bit((unsigned long *)(addr), (size), (off)) - -/* Bitmap functions for the minix filesystem. */ -#define minix_test_and_set_bit(nr,addr) \ - test_and_set_bit((nr),(unsigned long *)(addr)) -#define minix_set_bit(nr,addr) \ - set_bit((nr),(unsigned long *)(addr)) -#define minix_test_and_clear_bit(nr,addr) \ - test_and_clear_bit((nr),(unsigned long *)(addr)) -#define minix_test_bit(nr,addr) \ - test_bit((nr),(unsigned long *)(addr)) -#define minix_find_first_zero_bit(addr,size) \ - find_first_zero_bit((unsigned long *)(addr),(size)) +#include <asm-generic/bitops/ffz.h> +#include <asm-generic/bitops/__ffs.h> +#include <asm-generic/bitops/sched.h> +#include <asm-generic/bitops/ffs.h> +#include <asm-generic/bitops/fls.h> +#include <asm-generic/bitops/fls64.h> +#include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/find.h> +#include <asm-generic/bitops/ext2-non-atomic.h> +#include <asm-generic/bitops/ext2-atomic.h> +#include <asm-generic/bitops/minix.h> #endif /* __KERNEL__ */ diff --git a/include/asm-sparc/cpudata.h b/include/asm-sparc/cpudata.h index ec0d9ef90a3b..a2c4d51d36c4 100644 --- a/include/asm-sparc/cpudata.h +++ b/include/asm-sparc/cpudata.h @@ -18,6 +18,7 @@ typedef struct { unsigned int counter; int prom_node; int mid; + int next; } cpuinfo_sparc; DECLARE_PER_CPU(cpuinfo_sparc, __cpu_data); diff --git a/include/asm-sparc/page.h b/include/asm-sparc/page.h index 9122684f6c1e..ec3274b7ddf4 100644 --- a/include/asm-sparc/page.h +++ b/include/asm-sparc/page.h @@ -152,8 +152,7 @@ extern unsigned long pfn_base; #define virt_to_phys __pa #define phys_to_virt __va -#define pfn_to_page(pfn) (mem_map + ((pfn)-(pfn_base))) -#define page_to_pfn(page) ((unsigned long)(((page) - mem_map) + pfn_base)) +#define ARCH_PFN_OFFSET (pfn_base) #define virt_to_page(kaddr) (mem_map + ((((unsigned long)(kaddr)-PAGE_OFFSET)>>PAGE_SHIFT))) #define pfn_valid(pfn) (((pfn) >= (pfn_base)) && (((pfn)-(pfn_base)) < max_mapnr)) @@ -164,6 +163,7 @@ extern unsigned long pfn_base; #endif /* __KERNEL__ */ +#include <asm-generic/memory_model.h> #include <asm-generic/page.h> #endif /* _SPARC_PAGE_H */ diff --git a/include/asm-sparc/poll.h b/include/asm-sparc/poll.h index 3ddcc6481f09..26f13fb35497 100644 --- a/include/asm-sparc/poll.h +++ b/include/asm-sparc/poll.h @@ -13,6 +13,7 @@ #define POLLWRBAND 256 #define POLLMSG 512 #define POLLREMOVE 1024 +#define POLLRDHUP 2048 struct pollfd { int fd; diff --git a/include/asm-sparc/smp.h b/include/asm-sparc/smp.h index 580c51d011df..98c46e3fbe8a 100644 --- a/include/asm-sparc/smp.h +++ b/include/asm-sparc/smp.h @@ -81,16 +81,9 @@ static inline int smp_call_function(void (*func)(void *info), void *info, int no return 0; } -extern __volatile__ int __cpu_number_map[NR_CPUS]; -extern __volatile__ int __cpu_logical_map[NR_CPUS]; - static inline int cpu_logical_map(int cpu) { - return __cpu_logical_map[cpu]; -} -static inline int cpu_number_map(int cpu) -{ - return __cpu_number_map[cpu]; + return cpu; } static inline int hard_smp4m_processor_id(void) diff --git a/include/asm-sparc/spinlock.h b/include/asm-sparc/spinlock.h index e344c98a6f5f..3350c90c7869 100644 --- a/include/asm-sparc/spinlock.h +++ b/include/asm-sparc/spinlock.h @@ -94,7 +94,7 @@ static inline void __read_lock(raw_rwlock_t *rw) #define __raw_read_lock(lock) \ do { unsigned long flags; \ local_irq_save(flags); \ - __raw_read_lock(lock); \ + __read_lock(lock); \ local_irq_restore(flags); \ } while(0) @@ -114,11 +114,11 @@ static inline void __read_unlock(raw_rwlock_t *rw) #define __raw_read_unlock(lock) \ do { unsigned long flags; \ local_irq_save(flags); \ - __raw_read_unlock(lock); \ + __read_unlock(lock); \ local_irq_restore(flags); \ } while(0) -extern __inline__ void __raw_write_lock(raw_rwlock_t *rw) +static inline void __raw_write_lock(raw_rwlock_t *rw) { register raw_rwlock_t *lp asm("g1"); lp = rw; @@ -131,9 +131,28 @@ extern __inline__ void __raw_write_lock(raw_rwlock_t *rw) : "g2", "g4", "memory", "cc"); } +static inline int __raw_write_trylock(raw_rwlock_t *rw) +{ + unsigned int val; + + __asm__ __volatile__("ldstub [%1 + 3], %0" + : "=r" (val) + : "r" (&rw->lock) + : "memory"); + + if (val == 0) { + val = rw->lock & ~0xff; + if (val) + ((volatile u8*)&rw->lock)[3] = 0; + } + + return (val == 0); +} + #define __raw_write_unlock(rw) do { (rw)->lock = 0; } while(0) #define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock) +#define __raw_read_trylock(lock) generic__raw_read_trylock(lock) #endif /* !(__ASSEMBLY__) */ diff --git a/include/asm-sparc64/bitops.h b/include/asm-sparc64/bitops.h index 6efc0162fb09..71944b0f09de 100644 --- a/include/asm-sparc64/bitops.h +++ b/include/asm-sparc64/bitops.h @@ -18,58 +18,7 @@ extern void set_bit(unsigned long nr, volatile unsigned long *addr); extern void clear_bit(unsigned long nr, volatile unsigned long *addr); extern void change_bit(unsigned long nr, volatile unsigned long *addr); -/* "non-atomic" versions... */ - -static inline void __set_bit(int nr, volatile unsigned long *addr) -{ - unsigned long *m = ((unsigned long *)addr) + (nr >> 6); - - *m |= (1UL << (nr & 63)); -} - -static inline void __clear_bit(int nr, volatile unsigned long *addr) -{ - unsigned long *m = ((unsigned long *)addr) + (nr >> 6); - - *m &= ~(1UL << (nr & 63)); -} - -static inline void __change_bit(int nr, volatile unsigned long *addr) -{ - unsigned long *m = ((unsigned long *)addr) + (nr >> 6); - - *m ^= (1UL << (nr & 63)); -} - -static inline int __test_and_set_bit(int nr, volatile unsigned long *addr) -{ - unsigned long *m = ((unsigned long *)addr) + (nr >> 6); - unsigned long old = *m; - unsigned long mask = (1UL << (nr & 63)); - - *m = (old | mask); - return ((old & mask) != 0); -} - -static inline int __test_and_clear_bit(int nr, volatile unsigned long *addr) -{ - unsigned long *m = ((unsigned long *)addr) + (nr >> 6); - unsigned long old = *m; - unsigned long mask = (1UL << (nr & 63)); - - *m = (old & ~mask); - return ((old & mask) != 0); -} - -static inline int __test_and_change_bit(int nr, volatile unsigned long *addr) -{ - unsigned long *m = ((unsigned long *)addr) + (nr >> 6); - unsigned long old = *m; - unsigned long mask = (1UL << (nr & 63)); - - *m = (old ^ mask); - return ((old & mask) != 0); -} +#include <asm-generic/bitops/non-atomic.h> #ifdef CONFIG_SMP #define smp_mb__before_clear_bit() membar_storeload_loadload() @@ -79,78 +28,15 @@ static inline int __test_and_change_bit(int nr, volatile unsigned long *addr) #define smp_mb__after_clear_bit() barrier() #endif -static inline int test_bit(int nr, __const__ volatile unsigned long *addr) -{ - return (1UL & (addr[nr >> 6] >> (nr & 63))) != 0UL; -} - -/* The easy/cheese version for now. */ -static inline unsigned long ffz(unsigned long word) -{ - unsigned long result; - - result = 0; - while(word & 1) { - result++; - word >>= 1; - } - return result; -} - -/** - * __ffs - find first bit in word. - * @word: The word to search - * - * Undefined if no bit exists, so code should check against 0 first. - */ -static inline unsigned long __ffs(unsigned long word) -{ - unsigned long result = 0; - - while (!(word & 1UL)) { - result++; - word >>= 1; - } - return result; -} - -/* - * fls: find last bit set. - */ - -#define fls(x) generic_fls(x) -#define fls64(x) generic_fls64(x) +#include <asm-generic/bitops/ffz.h> +#include <asm-generic/bitops/__ffs.h> +#include <asm-generic/bitops/fls.h> +#include <asm-generic/bitops/fls64.h> #ifdef __KERNEL__ -/* - * Every architecture must define this function. It's the fastest - * way of searching a 140-bit bitmap where the first 100 bits are - * unlikely to be set. It's guaranteed that at least one of the 140 - * bits is cleared. - */ -static inline int sched_find_first_bit(unsigned long *b) -{ - if (unlikely(b[0])) - return __ffs(b[0]); - if (unlikely(((unsigned int)b[1]))) - return __ffs(b[1]) + 64; - if (b[1] >> 32) - return __ffs(b[1] >> 32) + 96; - return __ffs(b[2]) + 128; -} - -/* - * ffs: find first bit set. This is defined the same way as - * the libc and compiler builtin ffs routines, therefore - * differs in spirit from the above ffz (man ffs). - */ -static inline int ffs(int x) -{ - if (!x) - return 0; - return __ffs((unsigned long)x) + 1; -} +#include <asm-generic/bitops/sched.h> +#include <asm-generic/bitops/ffs.h> /* * hweightN: returns the hamming weight (i.e. the number @@ -193,102 +79,23 @@ static inline unsigned int hweight8(unsigned int w) #else -#define hweight64(x) generic_hweight64(x) -#define hweight32(x) generic_hweight32(x) -#define hweight16(x) generic_hweight16(x) -#define hweight8(x) generic_hweight8(x) +#include <asm-generic/bitops/hweight.h> #endif #endif /* __KERNEL__ */ -/** - * find_next_bit - find the next set bit in a memory region - * @addr: The address to base the search on - * @offset: The bitnumber to start searching at - * @size: The maximum size to search - */ -extern unsigned long find_next_bit(const unsigned long *, unsigned long, - unsigned long); - -/** - * find_first_bit - find the first set bit in a memory region - * @addr: The address to start the search at - * @size: The maximum size to search - * - * Returns the bit-number of the first set bit, not the number of the byte - * containing a bit. - */ -#define find_first_bit(addr, size) \ - find_next_bit((addr), (size), 0) - -/* find_next_zero_bit() finds the first zero bit in a bit string of length - * 'size' bits, starting the search at bit 'offset'. This is largely based - * on Linus's ALPHA routines, which are pretty portable BTW. - */ - -extern unsigned long find_next_zero_bit(const unsigned long *, - unsigned long, unsigned long); - -#define find_first_zero_bit(addr, size) \ - find_next_zero_bit((addr), (size), 0) - -#define test_and_set_le_bit(nr,addr) \ - test_and_set_bit((nr) ^ 0x38, (addr)) -#define test_and_clear_le_bit(nr,addr) \ - test_and_clear_bit((nr) ^ 0x38, (addr)) - -static inline int test_le_bit(int nr, __const__ unsigned long * addr) -{ - int mask; - __const__ unsigned char *ADDR = (__const__ unsigned char *) addr; - - ADDR += nr >> 3; - mask = 1 << (nr & 0x07); - return ((mask & *ADDR) != 0); -} - -#define find_first_zero_le_bit(addr, size) \ - find_next_zero_le_bit((addr), (size), 0) - -extern unsigned long find_next_zero_le_bit(unsigned long *, unsigned long, unsigned long); +#include <asm-generic/bitops/find.h> #ifdef __KERNEL__ -#define __set_le_bit(nr, addr) \ - __set_bit((nr) ^ 0x38, (addr)) -#define __clear_le_bit(nr, addr) \ - __clear_bit((nr) ^ 0x38, (addr)) -#define __test_and_clear_le_bit(nr, addr) \ - __test_and_clear_bit((nr) ^ 0x38, (addr)) -#define __test_and_set_le_bit(nr, addr) \ - __test_and_set_bit((nr) ^ 0x38, (addr)) +#include <asm-generic/bitops/ext2-non-atomic.h> -#define ext2_set_bit(nr,addr) \ - __test_and_set_le_bit((nr),(unsigned long *)(addr)) #define ext2_set_bit_atomic(lock,nr,addr) \ - test_and_set_le_bit((nr),(unsigned long *)(addr)) -#define ext2_clear_bit(nr,addr) \ - __test_and_clear_le_bit((nr),(unsigned long *)(addr)) + test_and_set_bit((nr) ^ 0x38,(unsigned long *)(addr)) #define ext2_clear_bit_atomic(lock,nr,addr) \ - test_and_clear_le_bit((nr),(unsigned long *)(addr)) -#define ext2_test_bit(nr,addr) \ - test_le_bit((nr),(unsigned long *)(addr)) -#define ext2_find_first_zero_bit(addr, size) \ - find_first_zero_le_bit((unsigned long *)(addr), (size)) -#define ext2_find_next_zero_bit(addr, size, off) \ - find_next_zero_le_bit((unsigned long *)(addr), (size), (off)) + test_and_clear_bit((nr) ^ 0x38,(unsigned long *)(addr)) -/* Bitmap functions for the minix filesystem. */ -#define minix_test_and_set_bit(nr,addr) \ - test_and_set_bit((nr),(unsigned long *)(addr)) -#define minix_set_bit(nr,addr) \ - set_bit((nr),(unsigned long *)(addr)) -#define minix_test_and_clear_bit(nr,addr) \ - test_and_clear_bit((nr),(unsigned long *)(addr)) -#define minix_test_bit(nr,addr) \ - test_bit((nr),(unsigned long *)(addr)) -#define minix_find_first_zero_bit(addr,size) \ - find_first_zero_bit((unsigned long *)(addr),(size)) +#include <asm-generic/bitops/minix.h> #endif /* __KERNEL__ */ diff --git a/include/asm-sparc64/floppy.h b/include/asm-sparc64/floppy.h index 49d49a285943..6a95d5d0c576 100644 --- a/include/asm-sparc64/floppy.h +++ b/include/asm-sparc64/floppy.h @@ -738,7 +738,7 @@ static unsigned long __init sun_floppy_init(void) if (!sun_floppy_types[0] && sun_floppy_types[1]) { /* * Set the drive exchange bit in FCR on NS87303, - * make shure other bits are sane before doing so. + * make sure other bits are sane before doing so. */ ns87303_modify(config, FER, FER_EDM, 0); ns87303_modify(config, ASC, ASC_DRV2_SEL, 0); diff --git a/include/asm-sparc64/futex.h b/include/asm-sparc64/futex.h index 34c4b43d3f98..dee40206b221 100644 --- a/include/asm-sparc64/futex.h +++ b/include/asm-sparc64/futex.h @@ -83,4 +83,28 @@ static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr) return ret; } +static inline int +futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval) +{ + __asm__ __volatile__( + "\n1: lduwa [%2] %%asi, %0\n" + "2: casa [%2] %%asi, %0, %1\n" + "3:\n" + " .section .fixup,#alloc,#execinstr\n" + " .align 4\n" + "4: ba 3b\n" + " mov %3, %0\n" + " .previous\n" + " .section __ex_table,\"a\"\n" + " .align 4\n" + " .word 1b, 4b\n" + " .word 2b, 4b\n" + " .previous\n" + : "=&r" (oldval) + : "r" (newval), "r" (uaddr), "i" (-EFAULT) + : "memory"); + + return oldval; +} + #endif /* !(_SPARC64_FUTEX_H) */ diff --git a/include/asm-sparc64/kdebug.h b/include/asm-sparc64/kdebug.h index 6321f5a0198d..4040d127ac3e 100644 --- a/include/asm-sparc64/kdebug.h +++ b/include/asm-sparc64/kdebug.h @@ -15,12 +15,9 @@ struct die_args { int signr; }; -/* Note - you should never unregister because that can race with NMIs. - * If you really want to do it first unregister - then synchronize_sched - * - then free. - */ -int register_die_notifier(struct notifier_block *nb); -extern struct notifier_block *sparc64die_chain; +extern int register_die_notifier(struct notifier_block *); +extern int unregister_die_notifier(struct notifier_block *); +extern struct atomic_notifier_head sparc64die_chain; extern void bad_trap(struct pt_regs *, long); @@ -46,7 +43,7 @@ static inline int notify_die(enum die_val val,char *str, struct pt_regs *regs, .trapnr = trap, .signr = sig }; - return notifier_call_chain(&sparc64die_chain, val, &args); + return atomic_notifier_call_chain(&sparc64die_chain, val, &args); } #endif diff --git a/include/asm-sparc64/page.h b/include/asm-sparc64/page.h index 66fe4ac59fd6..aabb21906724 100644 --- a/include/asm-sparc64/page.h +++ b/include/asm-sparc64/page.h @@ -111,6 +111,8 @@ typedef unsigned long pgprot_t; (_AC(0x0000000070000000,UL)) : \ (_AC(0xfffff80000000000,UL) + (1UL << 32UL))) +#include <asm-generic/memory_model.h> + #endif /* !(__ASSEMBLY__) */ /* to align the pointer to the (next) page boundary */ diff --git a/include/asm-sparc64/poll.h b/include/asm-sparc64/poll.h index 31b611aa7468..ab6b0d1bb4ad 100644 --- a/include/asm-sparc64/poll.h +++ b/include/asm-sparc64/poll.h @@ -13,6 +13,7 @@ #define POLLWRBAND 256 #define POLLMSG 512 #define POLLREMOVE 1024 +#define POLLRDHUP 2048 struct pollfd { int fd; diff --git a/include/asm-um/page.h b/include/asm-um/page.h index 0229814af31e..41364330aff1 100644 --- a/include/asm-um/page.h +++ b/include/asm-um/page.h @@ -106,9 +106,6 @@ extern unsigned long uml_physmem; #define __pa(virt) to_phys((void *) (unsigned long) (virt)) #define __va(phys) to_virt((unsigned long) (phys)) -#define page_to_pfn(page) ((page) - mem_map) -#define pfn_to_page(pfn) (mem_map + (pfn)) - #define phys_to_pfn(p) ((p) >> PAGE_SHIFT) #define pfn_to_phys(pfn) ((pfn) << PAGE_SHIFT) @@ -121,6 +118,7 @@ extern struct page *arch_validate(struct page *page, gfp_t mask, int order); extern void arch_free_page(struct page *page, int order); #define HAVE_ARCH_FREE_PAGE +#include <asm-generic/memory_model.h> #include <asm-generic/page.h> #endif diff --git a/include/asm-um/uaccess.h b/include/asm-um/uaccess.h index 2ee028b8de9d..4e460d6f5ac8 100644 --- a/include/asm-um/uaccess.h +++ b/include/asm-um/uaccess.h @@ -41,16 +41,16 @@ #define __get_user(x, ptr) \ ({ \ - const __typeof__(ptr) __private_ptr = ptr; \ - __typeof__(*(__private_ptr)) __private_val; \ - int __private_ret = -EFAULT; \ - (x) = (__typeof__(*(__private_ptr)))0; \ - if (__copy_from_user(&__private_val, (__private_ptr), \ - sizeof(*(__private_ptr))) == 0) {\ - (x) = (__typeof__(*(__private_ptr))) __private_val; \ - __private_ret = 0; \ - } \ - __private_ret; \ + const __typeof__(ptr) __private_ptr = ptr; \ + __typeof__(x) __private_val; \ + int __private_ret = -EFAULT; \ + (x) = (__typeof__(*(__private_ptr)))0; \ + if (__copy_from_user((void *) &__private_val, (__private_ptr), \ + sizeof(*(__private_ptr))) == 0) { \ + (x) = (__typeof__(*(__private_ptr))) __private_val; \ + __private_ret = 0; \ + } \ + __private_ret; \ }) #define get_user(x, ptr) \ @@ -89,14 +89,3 @@ struct exception_table_entry }; #endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/include/asm-v850/bitops.h b/include/asm-v850/bitops.h index 609b9e87222a..1f6fd5ab4177 100644 --- a/include/asm-v850/bitops.h +++ b/include/asm-v850/bitops.h @@ -22,25 +22,11 @@ #ifdef __KERNEL__ -/* - * The __ functions are not atomic - */ +#include <asm-generic/bitops/ffz.h> /* - * ffz = Find First Zero in word. Undefined if no zero exists, - * so code should check against ~0UL first.. + * The __ functions are not atomic */ -static inline unsigned long ffz (unsigned long word) -{ - unsigned long result = 0; - - while (word & 1) { - result++; - word >>= 1; - } - return result; -} - /* In the following constant-bit-op macros, a "g" constraint is used when we really need an integer ("i" constraint). This is to avoid @@ -153,203 +139,19 @@ static inline int __test_bit (int nr, const void *addr) #define smp_mb__before_clear_bit() barrier () #define smp_mb__after_clear_bit() barrier () +#include <asm-generic/bitops/ffs.h> +#include <asm-generic/bitops/fls.h> +#include <asm-generic/bitops/fls64.h> +#include <asm-generic/bitops/__ffs.h> +#include <asm-generic/bitops/find.h> +#include <asm-generic/bitops/sched.h> +#include <asm-generic/bitops/hweight.h> -#define find_first_zero_bit(addr, size) \ - find_next_zero_bit ((addr), (size), 0) - -static inline int find_next_zero_bit(const void *addr, int size, int offset) -{ - unsigned long *p = ((unsigned long *) addr) + (offset >> 5); - unsigned long result = offset & ~31UL; - unsigned long tmp; - - if (offset >= size) - return size; - size -= result; - offset &= 31UL; - if (offset) { - tmp = * (p++); - tmp |= ~0UL >> (32-offset); - if (size < 32) - goto found_first; - if (~tmp) - goto found_middle; - size -= 32; - result += 32; - } - while (size & ~31UL) { - if (~ (tmp = * (p++))) - goto found_middle; - result += 32; - size -= 32; - } - if (!size) - return result; - tmp = *p; - - found_first: - tmp |= ~0UL << size; - found_middle: - return result + ffz (tmp); -} - - -/* This is the same as generic_ffs, but we can't use that because it's - inline and the #include order mucks things up. */ -static inline int generic_ffs_for_find_next_bit(int x) -{ - int r = 1; - - if (!x) - return 0; - if (!(x & 0xffff)) { - x >>= 16; - r += 16; - } - if (!(x & 0xff)) { - x >>= 8; - r += 8; - } - if (!(x & 0xf)) { - x >>= 4; - r += 4; - } - if (!(x & 3)) { - x >>= 2; - r += 2; - } - if (!(x & 1)) { - x >>= 1; - r += 1; - } - return r; -} - -/* - * Find next one bit in a bitmap reasonably efficiently. - */ -static __inline__ unsigned long find_next_bit(const unsigned long *addr, - unsigned long size, unsigned long offset) -{ - unsigned int *p = ((unsigned int *) addr) + (offset >> 5); - unsigned int result = offset & ~31UL; - unsigned int tmp; - - if (offset >= size) - return size; - size -= result; - offset &= 31UL; - if (offset) { - tmp = *p++; - tmp &= ~0UL << offset; - if (size < 32) - goto found_first; - if (tmp) - goto found_middle; - size -= 32; - result += 32; - } - while (size >= 32) { - if ((tmp = *p++) != 0) - goto found_middle; - result += 32; - size -= 32; - } - if (!size) - return result; - tmp = *p; - -found_first: - tmp &= ~0UL >> (32 - size); - if (tmp == 0UL) /* Are any bits set? */ - return result + size; /* Nope. */ -found_middle: - return result + generic_ffs_for_find_next_bit(tmp); -} - -/* - * find_first_bit - find the first set bit in a memory region - */ -#define find_first_bit(addr, size) \ - find_next_bit((addr), (size), 0) - - -#define ffs(x) generic_ffs (x) -#define fls(x) generic_fls (x) -#define fls64(x) generic_fls64(x) -#define __ffs(x) ffs(x) - - -/* - * This is just `generic_ffs' from <linux/bitops.h>, except that it assumes - * that at least one bit is set, and returns the real index of the bit - * (rather than the bit index + 1, like ffs does). - */ -static inline int sched_ffs(int x) -{ - int r = 0; - - if (!(x & 0xffff)) { - x >>= 16; - r += 16; - } - if (!(x & 0xff)) { - x >>= 8; - r += 8; - } - if (!(x & 0xf)) { - x >>= 4; - r += 4; - } - if (!(x & 3)) { - x >>= 2; - r += 2; - } - if (!(x & 1)) { - x >>= 1; - r += 1; - } - return r; -} - -/* - * Every architecture must define this function. It's the fastest - * way of searching a 140-bit bitmap where the first 100 bits are - * unlikely to be set. It's guaranteed that at least one of the 140 - * bits is set. - */ -static inline int sched_find_first_bit(unsigned long *b) -{ - unsigned offs = 0; - while (! *b) { - b++; - offs += 32; - } - return sched_ffs (*b) + offs; -} - -/* - * hweightN: returns the hamming weight (i.e. the number - * of bits set) of a N-bit word - */ -#define hweight32(x) generic_hweight32 (x) -#define hweight16(x) generic_hweight16 (x) -#define hweight8(x) generic_hweight8 (x) - -#define ext2_set_bit test_and_set_bit +#include <asm-generic/bitops/ext2-non-atomic.h> #define ext2_set_bit_atomic(l,n,a) test_and_set_bit(n,a) -#define ext2_clear_bit test_and_clear_bit #define ext2_clear_bit_atomic(l,n,a) test_and_clear_bit(n,a) -#define ext2_test_bit test_bit -#define ext2_find_first_zero_bit find_first_zero_bit -#define ext2_find_next_zero_bit find_next_zero_bit -/* Bitmap functions for the minix filesystem. */ -#define minix_test_and_set_bit test_and_set_bit -#define minix_set_bit set_bit -#define minix_test_and_clear_bit test_and_clear_bit -#define minix_test_bit test_bit -#define minix_find_first_zero_bit find_first_zero_bit +#include <asm-generic/bitops/minix.h> #endif /* __KERNEL__ */ diff --git a/include/asm-v850/page.h b/include/asm-v850/page.h index b4bc85e7b91a..ad03c46a1f92 100644 --- a/include/asm-v850/page.h +++ b/include/asm-v850/page.h @@ -111,8 +111,7 @@ typedef unsigned long pgprot_t; #define page_to_virt(page) \ ((((page) - mem_map) << PAGE_SHIFT) + PAGE_OFFSET) -#define pfn_to_page(pfn) virt_to_page (pfn_to_virt (pfn)) -#define page_to_pfn(page) virt_to_pfn (page_to_virt (page)) +#define ARCH_PFN_OFFSET (PAGE_OFFSET >> PAGE_SHIFT) #define pfn_valid(pfn) ((pfn) < max_mapnr) #define virt_addr_valid(kaddr) \ @@ -125,6 +124,7 @@ typedef unsigned long pgprot_t; #endif /* KERNEL */ +#include <asm-generic/memory_model.h> #include <asm-generic/page.h> #endif /* __V850_PAGE_H__ */ diff --git a/include/asm-v850/poll.h b/include/asm-v850/poll.h index 0369562c7e15..c10176c2c28f 100644 --- a/include/asm-v850/poll.h +++ b/include/asm-v850/poll.h @@ -13,6 +13,7 @@ #define POLLWRBAND 0x0100 #define POLLMSG 0x0400 #define POLLREMOVE 0x1000 +#define POLLRDHUP 0x2000 struct pollfd { int fd; diff --git a/include/asm-x86_64/apicdef.h b/include/asm-x86_64/apicdef.h index decaa2d540e8..5a48e9bcf218 100644 --- a/include/asm-x86_64/apicdef.h +++ b/include/asm-x86_64/apicdef.h @@ -39,6 +39,7 @@ #define APIC_SPIV_FOCUS_DISABLED (1<<9) #define APIC_SPIV_APIC_ENABLED (1<<8) #define APIC_ISR 0x100 +#define APIC_ISR_NR 0x8 /* Number of 32 bit ISR registers. */ #define APIC_TMR 0x180 #define APIC_IRR 0x200 #define APIC_ESR 0x280 diff --git a/include/asm-x86_64/bitops.h b/include/asm-x86_64/bitops.h index eb4df23e1e41..79212128d0f7 100644 --- a/include/asm-x86_64/bitops.h +++ b/include/asm-x86_64/bitops.h @@ -356,14 +356,7 @@ static __inline__ unsigned long __fls(unsigned long word) #ifdef __KERNEL__ -static inline int sched_find_first_bit(const unsigned long *b) -{ - if (b[0]) - return __ffs(b[0]); - if (b[1]) - return __ffs(b[1]) + 64; - return __ffs(b[2]) + 128; -} +#include <asm-generic/bitops/sched.h> /** * ffs - find first bit set @@ -412,43 +405,20 @@ static __inline__ int fls(int x) return r+1; } -/** - * hweightN - returns the hamming weight of a N-bit word - * @x: the word to weigh - * - * The Hamming Weight of a number is the total number of bits set in it. - */ - -#define hweight64(x) generic_hweight64(x) -#define hweight32(x) generic_hweight32(x) -#define hweight16(x) generic_hweight16(x) -#define hweight8(x) generic_hweight8(x) +#include <asm-generic/bitops/hweight.h> #endif /* __KERNEL__ */ #ifdef __KERNEL__ -#define ext2_set_bit(nr,addr) \ - __test_and_set_bit((nr),(unsigned long*)addr) +#include <asm-generic/bitops/ext2-non-atomic.h> + #define ext2_set_bit_atomic(lock,nr,addr) \ test_and_set_bit((nr),(unsigned long*)addr) -#define ext2_clear_bit(nr, addr) \ - __test_and_clear_bit((nr),(unsigned long*)addr) #define ext2_clear_bit_atomic(lock,nr,addr) \ test_and_clear_bit((nr),(unsigned long*)addr) -#define ext2_test_bit(nr, addr) test_bit((nr),(unsigned long*)addr) -#define ext2_find_first_zero_bit(addr, size) \ - find_first_zero_bit((unsigned long*)addr, size) -#define ext2_find_next_zero_bit(addr, size, off) \ - find_next_zero_bit((unsigned long*)addr, size, off) - -/* Bitmap functions for the minix filesystem. */ -#define minix_test_and_set_bit(nr,addr) __test_and_set_bit(nr,(void*)addr) -#define minix_set_bit(nr,addr) __set_bit(nr,(void*)addr) -#define minix_test_and_clear_bit(nr,addr) __test_and_clear_bit(nr,(void*)addr) -#define minix_test_bit(nr,addr) test_bit(nr,(void*)addr) -#define minix_find_first_zero_bit(addr,size) \ - find_first_zero_bit((void*)addr,size) + +#include <asm-generic/bitops/minix.h> #endif /* __KERNEL__ */ diff --git a/include/asm-x86_64/dmi.h b/include/asm-x86_64/dmi.h new file mode 100644 index 000000000000..93b2b15d4325 --- /dev/null +++ b/include/asm-x86_64/dmi.h @@ -0,0 +1,27 @@ +#ifndef _ASM_DMI_H +#define _ASM_DMI_H 1 + +#include <asm/io.h> + +extern void *dmi_ioremap(unsigned long addr, unsigned long size); +extern void dmi_iounmap(void *addr, unsigned long size); + +#define DMI_MAX_DATA 2048 + +extern int dmi_alloc_index; +extern char dmi_alloc_data[DMI_MAX_DATA]; + +/* This is so early that there is no good way to allocate dynamic memory. + Allocate data in an BSS array. */ +static inline void *dmi_alloc(unsigned len) +{ + int idx = dmi_alloc_index; + if ((dmi_alloc_index += len) > DMI_MAX_DATA) + return NULL; + return dmi_alloc_data + idx; +} + +#define dmi_ioremap early_ioremap +#define dmi_iounmap early_iounmap + +#endif diff --git a/include/asm-x86_64/elf.h b/include/asm-x86_64/elf.h index 43862cd6a569..c98633af07d2 100644 --- a/include/asm-x86_64/elf.h +++ b/include/asm-x86_64/elf.h @@ -8,6 +8,7 @@ #include <asm/ptrace.h> #include <asm/user.h> #include <asm/processor.h> +#include <asm/compat.h> /* x86-64 relocation types */ #define R_X86_64_NONE 0 /* No reloc */ @@ -157,6 +158,9 @@ extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *); #define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs) #define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs) +/* 1GB for 64bit, 8MB for 32bit */ +#define STACK_RND_MASK (is_compat_task() ? 0x7ff : 0x3fffff) + #endif #endif diff --git a/include/asm-x86_64/floppy.h b/include/asm-x86_64/floppy.h index af7ded63b517..52825ce689f2 100644 --- a/include/asm-x86_64/floppy.h +++ b/include/asm-x86_64/floppy.h @@ -155,7 +155,7 @@ static int fd_request_irq(void) static unsigned long dma_mem_alloc(unsigned long size) { - return __get_dma_pages(GFP_KERNEL,get_order(size)); + return __get_dma_pages(GFP_KERNEL|__GFP_NORETRY,get_order(size)); } diff --git a/include/asm-x86_64/futex.h b/include/asm-x86_64/futex.h index 8602c09bf89e..9804bf07b092 100644 --- a/include/asm-x86_64/futex.h +++ b/include/asm-x86_64/futex.h @@ -94,5 +94,32 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr) return ret; } +static inline int +futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval) +{ + if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) + return -EFAULT; + + __asm__ __volatile__( + "1: " LOCK_PREFIX "cmpxchgl %3, %1 \n" + + "2: .section .fixup, \"ax\" \n" + "3: mov %2, %0 \n" + " jmp 2b \n" + " .previous \n" + + " .section __ex_table, \"a\" \n" + " .align 8 \n" + " .quad 1b,3b \n" + " .previous \n" + + : "=a" (oldval), "=m" (*uaddr) + : "i" (-EFAULT), "r" (newval), "0" (oldval) + : "memory" + ); + + return oldval; +} + #endif #endif diff --git a/include/asm-x86_64/io.h b/include/asm-x86_64/io.h index a85fe8370820..cafdfb37f0d8 100644 --- a/include/asm-x86_64/io.h +++ b/include/asm-x86_64/io.h @@ -135,6 +135,9 @@ static inline void __iomem * ioremap (unsigned long offset, unsigned long size) return __ioremap(offset, size, 0); } +extern void *early_ioremap(unsigned long addr, unsigned long size); +extern void early_iounmap(void *addr, unsigned long size); + /* * This one maps high address device memory and turns off caching for that area. * it's useful if some control registers are in such an area and write combining @@ -143,11 +146,6 @@ static inline void __iomem * ioremap (unsigned long offset, unsigned long size) extern void __iomem * ioremap_nocache (unsigned long offset, unsigned long size); extern void iounmap(volatile void __iomem *addr); -/* Use normal IO mappings for DMI */ -#define dmi_ioremap ioremap -#define dmi_iounmap(x,l) iounmap(x) -#define dmi_alloc(l) kmalloc(l, GFP_ATOMIC) - /* * ISA I/O bus memory addresses are 1:1 with the physical address. */ @@ -202,23 +200,6 @@ static inline __u64 __readq(const volatile void __iomem *addr) #define mmiowb() -#ifdef CONFIG_UNORDERED_IO -static inline void __writel(__u32 val, volatile void __iomem *addr) -{ - volatile __u32 __iomem *target = addr; - asm volatile("movnti %1,%0" - : "=m" (*target) - : "r" (val) : "memory"); -} - -static inline void __writeq(__u64 val, volatile void __iomem *addr) -{ - volatile __u64 __iomem *target = addr; - asm volatile("movnti %1,%0" - : "=m" (*target) - : "r" (val) : "memory"); -} -#else static inline void __writel(__u32 b, volatile void __iomem *addr) { *(__force volatile __u32 *)addr = b; @@ -227,7 +208,6 @@ static inline void __writeq(__u64 b, volatile void __iomem *addr) { *(__force volatile __u64 *)addr = b; } -#endif static inline void __writeb(__u8 b, volatile void __iomem *addr) { *(__force volatile __u8 *)addr = b; diff --git a/include/asm-x86_64/kdebug.h b/include/asm-x86_64/kdebug.h index b9ed4c0c8783..cf795631d9b4 100644 --- a/include/asm-x86_64/kdebug.h +++ b/include/asm-x86_64/kdebug.h @@ -5,21 +5,20 @@ struct pt_regs; -struct die_args { +struct die_args { struct pt_regs *regs; const char *str; - long err; + long err; int trapnr; int signr; -}; +}; + +extern int register_die_notifier(struct notifier_block *); +extern int unregister_die_notifier(struct notifier_block *); +extern struct atomic_notifier_head die_chain; -/* Note - you should never unregister because that can race with NMIs. - If you really want to do it first unregister - then synchronize_sched - then free. - */ -int register_die_notifier(struct notifier_block *nb); -extern struct notifier_block *die_chain; /* Grossly misnamed. */ -enum die_val { +enum die_val { DIE_OOPS = 1, DIE_INT3, DIE_DEBUG, @@ -33,8 +32,8 @@ enum die_val { DIE_CALL, DIE_NMI_IPI, DIE_PAGE_FAULT, -}; - +}; + static inline int notify_die(enum die_val val, const char *str, struct pt_regs *regs, long err, int trap, int sig) { @@ -45,7 +44,7 @@ static inline int notify_die(enum die_val val, const char *str, .trapnr = trap, .signr = sig }; - return notifier_call_chain(&die_chain, val, &args); + return atomic_notifier_call_chain(&die_chain, val, &args); } extern int printk_address(unsigned long address); diff --git a/include/asm-x86_64/local.h b/include/asm-x86_64/local.h index 3e72c41727c5..bf148037d4e5 100644 --- a/include/asm-x86_64/local.h +++ b/include/asm-x86_64/local.h @@ -5,7 +5,7 @@ typedef struct { - volatile unsigned int counter; + volatile unsigned long counter; } local_t; #define LOCAL_INIT(i) { (i) } @@ -16,7 +16,7 @@ typedef struct static __inline__ void local_inc(local_t *v) { __asm__ __volatile__( - "incl %0" + "incq %0" :"=m" (v->counter) :"m" (v->counter)); } @@ -24,7 +24,7 @@ static __inline__ void local_inc(local_t *v) static __inline__ void local_dec(local_t *v) { __asm__ __volatile__( - "decl %0" + "decq %0" :"=m" (v->counter) :"m" (v->counter)); } @@ -32,7 +32,7 @@ static __inline__ void local_dec(local_t *v) static __inline__ void local_add(unsigned int i, local_t *v) { __asm__ __volatile__( - "addl %1,%0" + "addq %1,%0" :"=m" (v->counter) :"ir" (i), "m" (v->counter)); } @@ -40,7 +40,7 @@ static __inline__ void local_add(unsigned int i, local_t *v) static __inline__ void local_sub(unsigned int i, local_t *v) { __asm__ __volatile__( - "subl %1,%0" + "subq %1,%0" :"=m" (v->counter) :"ir" (i), "m" (v->counter)); } diff --git a/include/asm-x86_64/mmzone.h b/include/asm-x86_64/mmzone.h index 972c9359f7d7..6b18cd8f293d 100644 --- a/include/asm-x86_64/mmzone.h +++ b/include/asm-x86_64/mmzone.h @@ -15,8 +15,13 @@ #define NODEMAPSIZE 0xfff /* Simple perfect hash to map physical addresses to node numbers */ -extern int memnode_shift; -extern u8 memnodemap[NODEMAPSIZE]; +struct memnode { + int shift; + u8 map[NODEMAPSIZE]; +} ____cacheline_aligned; +extern struct memnode memnode; +#define memnode_shift memnode.shift +#define memnodemap memnode.map extern struct pglist_data *node_data[]; @@ -39,12 +44,8 @@ static inline __attribute__((pure)) int phys_to_nid(unsigned long addr) #define pfn_to_nid(pfn) phys_to_nid((unsigned long)(pfn) << PAGE_SHIFT) #define kvaddr_to_nid(kaddr) phys_to_nid(__pa(kaddr)) -extern struct page *pfn_to_page(unsigned long pfn); -extern unsigned long page_to_pfn(struct page *page); extern int pfn_valid(unsigned long pfn); #endif -#define local_mapnr(kvaddr) \ - ( (__pa(kvaddr) >> PAGE_SHIFT) - node_start_pfn(kvaddr_to_nid(kvaddr)) ) #endif #endif diff --git a/include/asm-x86_64/numa.h b/include/asm-x86_64/numa.h index dffe276ca2df..f6cbb4cbb5a3 100644 --- a/include/asm-x86_64/numa.h +++ b/include/asm-x86_64/numa.h @@ -4,11 +4,11 @@ #include <linux/nodemask.h> #include <asm/numnodes.h> -struct node { +struct bootnode { u64 start,end; }; -extern int compute_hash_shift(struct node *nodes, int numnodes); +extern int compute_hash_shift(struct bootnode *nodes, int numnodes); extern int pxm_to_node(int nid); #define ZONE_ALIGN (1UL << (MAX_ORDER+PAGE_SHIFT)) diff --git a/include/asm-x86_64/page.h b/include/asm-x86_64/page.h index 615e3e494929..408185bac351 100644 --- a/include/asm-x86_64/page.h +++ b/include/asm-x86_64/page.h @@ -123,8 +123,6 @@ typedef struct { unsigned long pgprot; } pgprot_t; #define __boot_va(x) __va(x) #define __boot_pa(x) __pa(x) #ifdef CONFIG_FLATMEM -#define pfn_to_page(pfn) (mem_map + (pfn)) -#define page_to_pfn(page) ((unsigned long)((page) - mem_map)) #define pfn_valid(pfn) ((pfn) < end_pfn) #endif @@ -140,6 +138,7 @@ typedef struct { unsigned long pgprot; } pgprot_t; #endif /* __KERNEL__ */ +#include <asm-generic/memory_model.h> #include <asm-generic/page.h> #endif /* _X86_64_PAGE_H */ diff --git a/include/asm-x86_64/pda.h b/include/asm-x86_64/pda.h index c7ab38a601af..b47c3df9ed1d 100644 --- a/include/asm-x86_64/pda.h +++ b/include/asm-x86_64/pda.h @@ -22,8 +22,8 @@ struct x8664_pda { int nodenumber; /* number of current node */ unsigned int __softirq_pending; unsigned int __nmi_count; /* number of NMI on this CPUs */ - struct mm_struct *active_mm; int mmu_state; + struct mm_struct *active_mm; unsigned apic_timer_irqs; } ____cacheline_aligned_in_smp; diff --git a/include/asm-x86_64/pgalloc.h b/include/asm-x86_64/pgalloc.h index 08cad2482bcb..43d4c333a8b1 100644 --- a/include/asm-x86_64/pgalloc.h +++ b/include/asm-x86_64/pgalloc.h @@ -45,12 +45,39 @@ static inline void pud_free (pud_t *pud) free_page((unsigned long)pud); } +static inline void pgd_list_add(pgd_t *pgd) +{ + struct page *page = virt_to_page(pgd); + + spin_lock(&pgd_lock); + page->index = (pgoff_t)pgd_list; + if (pgd_list) + pgd_list->private = (unsigned long)&page->index; + pgd_list = page; + page->private = (unsigned long)&pgd_list; + spin_unlock(&pgd_lock); +} + +static inline void pgd_list_del(pgd_t *pgd) +{ + struct page *next, **pprev, *page = virt_to_page(pgd); + + spin_lock(&pgd_lock); + next = (struct page *)page->index; + pprev = (struct page **)page->private; + *pprev = next; + if (next) + next->private = (unsigned long)pprev; + spin_unlock(&pgd_lock); +} + static inline pgd_t *pgd_alloc(struct mm_struct *mm) { unsigned boundary; pgd_t *pgd = (pgd_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT); if (!pgd) return NULL; + pgd_list_add(pgd); /* * Copy kernel pointers in from init. * Could keep a freelist or slab cache of those because the kernel @@ -67,6 +94,7 @@ static inline pgd_t *pgd_alloc(struct mm_struct *mm) static inline void pgd_free(pgd_t *pgd) { BUG_ON((unsigned long)pgd & (PAGE_SIZE-1)); + pgd_list_del(pgd); free_page((unsigned long)pgd); } diff --git a/include/asm-x86_64/pgtable.h b/include/asm-x86_64/pgtable.h index def903287193..31e83c3bd022 100644 --- a/include/asm-x86_64/pgtable.h +++ b/include/asm-x86_64/pgtable.h @@ -420,6 +420,10 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) +extern spinlock_t pgd_lock; +extern struct page *pgd_list; +void vmalloc_sync_all(void); + #endif /* !__ASSEMBLY__ */ extern int kern_addr_valid(unsigned long addr); diff --git a/include/asm-x86_64/poll.h b/include/asm-x86_64/poll.h index c43cbba31913..c0475a9d8bb8 100644 --- a/include/asm-x86_64/poll.h +++ b/include/asm-x86_64/poll.h @@ -16,6 +16,7 @@ #define POLLWRBAND 0x0200 #define POLLMSG 0x0400 #define POLLREMOVE 0x1000 +#define POLLRDHUP 0x2000 struct pollfd { int fd; diff --git a/include/asm-x86_64/processor.h b/include/asm-x86_64/processor.h index 8c8d88c036ed..37a3ec433ee5 100644 --- a/include/asm-x86_64/processor.h +++ b/include/asm-x86_64/processor.h @@ -20,6 +20,7 @@ #include <asm/mmsegment.h> #include <asm/percpu.h> #include <linux/personality.h> +#include <linux/cpumask.h> #define TF_MASK 0x00000100 #define IF_MASK 0x00000200 @@ -65,6 +66,9 @@ struct cpuinfo_x86 { __u32 x86_power; __u32 extended_cpuid_level; /* Max extended CPUID function supported */ unsigned long loops_per_jiffy; +#ifdef CONFIG_SMP + cpumask_t llc_shared_map; /* cpus sharing the last level cache */ +#endif __u8 apicid; __u8 booted_cores; /* number of cores as seen by OS */ } ____cacheline_aligned; @@ -354,9 +358,6 @@ struct extended_sigtable { struct extended_signature sigs[0]; }; -/* '6' because it used to be for P6 only (but now covers Pentium 4 as well) */ -#define MICROCODE_IOCFREE _IO('6',0) - #define ASM_NOP1 K8_NOP1 #define ASM_NOP2 K8_NOP2 diff --git a/include/asm-x86_64/proto.h b/include/asm-x86_64/proto.h index 3ba8fd45fcb3..8abf2a43c944 100644 --- a/include/asm-x86_64/proto.h +++ b/include/asm-x86_64/proto.h @@ -53,8 +53,6 @@ extern int sysctl_vsyscall; extern int nohpet; extern unsigned long vxtime_hz; -extern void do_softirq_thunk(void); - extern int numa_setup(char *opt); extern int setup_early_printk(char *); @@ -129,7 +127,6 @@ extern int fix_aperture; #define iommu_aperture 0 #define iommu_aperture_allowed 0 #endif -extern int force_iommu; extern int reboot_force; extern int notsc_setup(char *); diff --git a/include/asm-x86_64/smp.h b/include/asm-x86_64/smp.h index 9ccbb2cfd5c0..a4fdaeb5c397 100644 --- a/include/asm-x86_64/smp.h +++ b/include/asm-x86_64/smp.h @@ -56,6 +56,7 @@ extern cpumask_t cpu_sibling_map[NR_CPUS]; extern cpumask_t cpu_core_map[NR_CPUS]; extern u8 phys_proc_id[NR_CPUS]; extern u8 cpu_core_id[NR_CPUS]; +extern u8 cpu_llc_id[NR_CPUS]; #define SMP_TRAMPOLINE_BASE 0x6000 diff --git a/include/asm-x86_64/string.h b/include/asm-x86_64/string.h index a3493ee282bb..ee6bf275349e 100644 --- a/include/asm-x86_64/string.h +++ b/include/asm-x86_64/string.h @@ -40,26 +40,15 @@ extern void *__memcpy(void *to, const void *from, size_t len); #define __HAVE_ARCH_MEMSET -#define memset __builtin_memset +void *memset(void *s, int c, size_t n); #define __HAVE_ARCH_MEMMOVE void * memmove(void * dest,const void *src,size_t count); -/* Use C out of line version for memcmp */ -#define memcmp __builtin_memcmp int memcmp(const void * cs,const void * ct,size_t count); - -/* out of line string functions use always C versions */ -#define strlen __builtin_strlen size_t strlen(const char * s); - -#define strcpy __builtin_strcpy -char * strcpy(char * dest,const char *src); - -#define strcat __builtin_strcat -char * strcat(char * dest, const char * src); - -#define strcmp __builtin_strcmp +char *strcpy(char * dest,const char *src); +char *strcat(char * dest, const char * src); int strcmp(const char * cs,const char * ct); #endif /* __KERNEL__ */ diff --git a/include/asm-x86_64/suspend.h b/include/asm-x86_64/suspend.h index bb9f40597d09..bc7f81715e5e 100644 --- a/include/asm-x86_64/suspend.h +++ b/include/asm-x86_64/suspend.h @@ -39,9 +39,7 @@ extern unsigned long saved_context_r12, saved_context_r13, saved_context_r14, sa extern unsigned long saved_context_eflags; #define loaddebug(thread,register) \ - __asm__("movq %0,%%db" #register \ - : /* no output */ \ - :"r" ((thread)->debugreg##register)) + set_debugreg((thread)->debugreg##register, register) extern void fix_processor_context(void); diff --git a/include/asm-x86_64/system.h b/include/asm-x86_64/system.h index b7f66034ae7a..397598980228 100644 --- a/include/asm-x86_64/system.h +++ b/include/asm-x86_64/system.h @@ -70,12 +70,6 @@ extern void load_gs_index(unsigned); ".previous" \ : :"r" (value), "r" (0)) -#define set_debug(value,register) \ - __asm__("movq %0,%%db" #register \ - : /* no output */ \ - :"r" ((unsigned long) value)) - - #ifdef __KERNEL__ struct alt_instr { __u8 *instr; /* original instruction */ diff --git a/include/asm-x86_64/topology.h b/include/asm-x86_64/topology.h index c642f5d9882d..9db54e9d17bb 100644 --- a/include/asm-x86_64/topology.h +++ b/include/asm-x86_64/topology.h @@ -68,4 +68,6 @@ extern int __node_distance(int, int); #include <asm-generic/topology.h> +extern cpumask_t cpu_coregroup_map(int cpu); + #endif diff --git a/include/asm-x86_64/unistd.h b/include/asm-x86_64/unistd.h index da0341c57949..fcc516353087 100644 --- a/include/asm-x86_64/unistd.h +++ b/include/asm-x86_64/unistd.h @@ -605,8 +605,12 @@ __SYSCALL(__NR_pselect6, sys_ni_syscall) /* for now */ __SYSCALL(__NR_ppoll, sys_ni_syscall) /* for now */ #define __NR_unshare 272 __SYSCALL(__NR_unshare, sys_unshare) +#define __NR_set_robust_list 273 +__SYSCALL(__NR_set_robust_list, sys_set_robust_list) +#define __NR_get_robust_list 274 +__SYSCALL(__NR_get_robust_list, sys_get_robust_list) -#define __NR_syscall_max __NR_unshare +#define __NR_syscall_max __NR_get_robust_list #ifndef __NO_STUBS diff --git a/include/asm-xtensa/bitops.h b/include/asm-xtensa/bitops.h index 0a2065f1a372..d815649617aa 100644 --- a/include/asm-xtensa/bitops.h +++ b/include/asm-xtensa/bitops.h @@ -23,156 +23,11 @@ # error SMP not supported on this architecture #endif -static __inline__ void set_bit(int nr, volatile void * addr) -{ - unsigned long mask = 1 << (nr & 0x1f); - unsigned long *a = ((unsigned long *)addr) + (nr >> 5); - unsigned long flags; - - local_irq_save(flags); - *a |= mask; - local_irq_restore(flags); -} - -static __inline__ void __set_bit(int nr, volatile unsigned long * addr) -{ - unsigned long mask = 1 << (nr & 0x1f); - unsigned long *a = ((unsigned long *)addr) + (nr >> 5); - - *a |= mask; -} - -static __inline__ void clear_bit(int nr, volatile void * addr) -{ - unsigned long mask = 1 << (nr & 0x1f); - unsigned long *a = ((unsigned long *)addr) + (nr >> 5); - unsigned long flags; - - local_irq_save(flags); - *a &= ~mask; - local_irq_restore(flags); -} - -static __inline__ void __clear_bit(int nr, volatile unsigned long *addr) -{ - unsigned long mask = 1 << (nr & 0x1f); - unsigned long *a = ((unsigned long *)addr) + (nr >> 5); - - *a &= ~mask; -} - -/* - * clear_bit() doesn't provide any barrier for the compiler. - */ - #define smp_mb__before_clear_bit() barrier() #define smp_mb__after_clear_bit() barrier() -static __inline__ void change_bit(int nr, volatile void * addr) -{ - unsigned long mask = 1 << (nr & 0x1f); - unsigned long *a = ((unsigned long *)addr) + (nr >> 5); - unsigned long flags; - - local_irq_save(flags); - *a ^= mask; - local_irq_restore(flags); -} - -static __inline__ void __change_bit(int nr, volatile void * addr) -{ - unsigned long mask = 1 << (nr & 0x1f); - unsigned long *a = ((unsigned long *)addr) + (nr >> 5); - - *a ^= mask; -} - -static __inline__ int test_and_set_bit(int nr, volatile void * addr) -{ - unsigned long retval; - unsigned long mask = 1 << (nr & 0x1f); - unsigned long *a = ((unsigned long *)addr) + (nr >> 5); - unsigned long flags; - - local_irq_save(flags); - retval = (mask & *a) != 0; - *a |= mask; - local_irq_restore(flags); - - return retval; -} - -static __inline__ int __test_and_set_bit(int nr, volatile void * addr) -{ - unsigned long retval; - unsigned long mask = 1 << (nr & 0x1f); - unsigned long *a = ((unsigned long *)addr) + (nr >> 5); - - retval = (mask & *a) != 0; - *a |= mask; - - return retval; -} - -static __inline__ int test_and_clear_bit(int nr, volatile void * addr) -{ - unsigned long retval; - unsigned long mask = 1 << (nr & 0x1f); - unsigned long *a = ((unsigned long *)addr) + (nr >> 5); - unsigned long flags; - - local_irq_save(flags); - retval = (mask & *a) != 0; - *a &= ~mask; - local_irq_restore(flags); - - return retval; -} - -static __inline__ int __test_and_clear_bit(int nr, volatile void * addr) -{ - unsigned long mask = 1 << (nr & 0x1f); - unsigned long *a = ((unsigned long *)addr) + (nr >> 5); - unsigned long old = *a; - - *a = old & ~mask; - return (old & mask) != 0; -} - -static __inline__ int test_and_change_bit(int nr, volatile void * addr) -{ - unsigned long retval; - unsigned long mask = 1 << (nr & 0x1f); - unsigned long *a = ((unsigned long *)addr) + (nr >> 5); - unsigned long flags; - - local_irq_save(flags); - - retval = (mask & *a) != 0; - *a ^= mask; - local_irq_restore(flags); - - return retval; -} - -/* - * non-atomic version; can be reordered - */ - -static __inline__ int __test_and_change_bit(int nr, volatile void *addr) -{ - unsigned long mask = 1 << (nr & 0x1f); - unsigned long *a = ((unsigned long *)addr) + (nr >> 5); - unsigned long old = *a; - - *a = old ^ mask; - return (old & mask) != 0; -} - -static __inline__ int test_bit(int nr, const volatile void *addr) -{ - return 1UL & (((const volatile unsigned int *)addr)[nr>>5] >> (nr&31)); -} +#include <asm-generic/bitops/atomic.h> +#include <asm-generic/bitops/non-atomic.h> #if XCHAL_HAVE_NSA @@ -245,202 +100,23 @@ static __inline__ int fls (unsigned int x) { return __cntlz(x); } -#define fls64(x) generic_fls64(x) - -static __inline__ int -find_next_bit(const unsigned long *addr, int size, int offset) -{ - const unsigned long *p = addr + (offset >> 5); - unsigned long result = offset & ~31UL; - unsigned long tmp; - - if (offset >= size) - return size; - size -= result; - offset &= 31UL; - if (offset) { - tmp = *p++; - tmp &= ~0UL << offset; - if (size < 32) - goto found_first; - if (tmp) - goto found_middle; - size -= 32; - result += 32; - } - while (size >= 32) { - if ((tmp = *p++) != 0) - goto found_middle; - result += 32; - size -= 32; - } - if (!size) - return result; - tmp = *p; - -found_first: - tmp &= ~0UL >> (32 - size); - if (tmp == 0UL) /* Are any bits set? */ - return result + size; /* Nope. */ -found_middle: - return result + __ffs(tmp); -} - -/** - * find_first_bit - find the first set bit in a memory region - * @addr: The address to start the search at - * @size: The maximum size to search - * - * Returns the bit-number of the first set bit, not the number of the byte - * containing a bit. - */ - -#define find_first_bit(addr, size) \ - find_next_bit((addr), (size), 0) - -static __inline__ int -find_next_zero_bit(const unsigned long *addr, int size, int offset) -{ - const unsigned long *p = addr + (offset >> 5); - unsigned long result = offset & ~31UL; - unsigned long tmp; - - if (offset >= size) - return size; - size -= result; - offset &= 31UL; - if (offset) { - tmp = *p++; - tmp |= ~0UL >> (32-offset); - if (size < 32) - goto found_first; - if (~tmp) - goto found_middle; - size -= 32; - result += 32; - } - while (size & ~31UL) { - if (~(tmp = *p++)) - goto found_middle; - result += 32; - size -= 32; - } - if (!size) - return result; - tmp = *p; - -found_first: - tmp |= ~0UL << size; -found_middle: - return result + ffz(tmp); -} - -#define find_first_zero_bit(addr, size) \ - find_next_zero_bit((addr), (size), 0) +#include <asm-generic/bitops/fls64.h> +#include <asm-generic/bitops/find.h> +#include <asm-generic/bitops/ext2-non-atomic.h> #ifdef __XTENSA_EL__ -# define ext2_set_bit(nr,addr) __test_and_set_bit((nr), (addr)) # define ext2_set_bit_atomic(lock,nr,addr) test_and_set_bit((nr),(addr)) -# define ext2_clear_bit(nr,addr) __test_and_clear_bit((nr), (addr)) # define ext2_clear_bit_atomic(lock,nr,addr) test_and_clear_bit((nr),(addr)) -# define ext2_test_bit(nr,addr) test_bit((nr), (addr)) -# define ext2_find_first_zero_bit(addr, size) find_first_zero_bit((addr),(size)) -# define ext2_find_next_zero_bit(addr, size, offset) \ - find_next_zero_bit((addr), (size), (offset)) #elif defined(__XTENSA_EB__) -# define ext2_set_bit(nr,addr) __test_and_set_bit((nr) ^ 0x18, (addr)) # define ext2_set_bit_atomic(lock,nr,addr) test_and_set_bit((nr) ^ 0x18, (addr)) -# define ext2_clear_bit(nr,addr) __test_and_clear_bit((nr) ^ 18, (addr)) # define ext2_clear_bit_atomic(lock,nr,addr) test_and_clear_bit((nr)^0x18,(addr)) -# define ext2_test_bit(nr,addr) test_bit((nr) ^ 0x18, (addr)) -# define ext2_find_first_zero_bit(addr, size) \ - ext2_find_next_zero_bit((addr), (size), 0) - -static __inline__ unsigned long ext2_find_next_zero_bit(void *addr, unsigned long size, unsigned long offset) -{ - unsigned long *p = ((unsigned long *) addr) + (offset >> 5); - unsigned long result = offset & ~31UL; - unsigned long tmp; - - if (offset >= size) - return size; - size -= result; - offset &= 31UL; - if(offset) { - /* We hold the little endian value in tmp, but then the - * shift is illegal. So we could keep a big endian value - * in tmp, like this: - * - * tmp = __swab32(*(p++)); - * tmp |= ~0UL >> (32-offset); - * - * but this would decrease preformance, so we change the - * shift: - */ - tmp = *(p++); - tmp |= __swab32(~0UL >> (32-offset)); - if(size < 32) - goto found_first; - if(~tmp) - goto found_middle; - size -= 32; - result += 32; - } - while(size & ~31UL) { - if(~(tmp = *(p++))) - goto found_middle; - result += 32; - size -= 32; - } - if(!size) - return result; - tmp = *p; - -found_first: - /* tmp is little endian, so we would have to swab the shift, - * see above. But then we have to swab tmp below for ffz, so - * we might as well do this here. - */ - return result + ffz(__swab32(tmp) | (~0UL << size)); -found_middle: - return result + ffz(__swab32(tmp)); -} - #else # error processor byte order undefined! #endif - -#define hweight32(x) generic_hweight32(x) -#define hweight16(x) generic_hweight16(x) -#define hweight8(x) generic_hweight8(x) - -/* - * Find the first bit set in a 140-bit bitmap. - * The first 100 bits are unlikely to be set. - */ - -static inline int sched_find_first_bit(const unsigned long *b) -{ - if (unlikely(b[0])) - return __ffs(b[0]); - if (unlikely(b[1])) - return __ffs(b[1]) + 32; - if (unlikely(b[2])) - return __ffs(b[2]) + 64; - if (b[3]) - return __ffs(b[3]) + 96; - return __ffs(b[4]) + 128; -} - - -/* Bitmap functions for the minix filesystem. */ - -#define minix_test_and_set_bit(nr,addr) test_and_set_bit(nr,addr) -#define minix_set_bit(nr,addr) set_bit(nr,addr) -#define minix_test_and_clear_bit(nr,addr) test_and_clear_bit(nr,addr) -#define minix_test_bit(nr,addr) test_bit(nr,addr) -#define minix_find_first_zero_bit(addr,size) find_first_zero_bit(addr,size) +#include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/sched.h> +#include <asm-generic/bitops/minix.h> #endif /* __KERNEL__ */ diff --git a/include/asm-xtensa/page.h b/include/asm-xtensa/page.h index 8ded36f255a2..992bac5c1258 100644 --- a/include/asm-xtensa/page.h +++ b/include/asm-xtensa/page.h @@ -109,10 +109,7 @@ void copy_user_page(void *to,void* from,unsigned long vaddr,struct page* page); #define __pa(x) ((unsigned long) (x) - PAGE_OFFSET) #define __va(x) ((void *)((unsigned long) (x) + PAGE_OFFSET)) #define pfn_valid(pfn) ((unsigned long)pfn < max_mapnr) -#ifndef CONFIG_DISCONTIGMEM -# define pfn_to_page(pfn) (mem_map + (pfn)) -# define page_to_pfn(page) ((unsigned long)((page) - mem_map)) -#else +#ifdef CONFIG_DISCONTIGMEM # error CONFIG_DISCONTIGMEM not supported #endif @@ -130,4 +127,5 @@ void copy_user_page(void *to,void* from,unsigned long vaddr,struct page* page); VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) #endif /* __KERNEL__ */ +#include <asm-generic/memory_model.h> #endif /* _XTENSA_PAGE_H */ diff --git a/include/asm-xtensa/poll.h b/include/asm-xtensa/poll.h index dffe447534e0..6fd94773e866 100644 --- a/include/asm-xtensa/poll.h +++ b/include/asm-xtensa/poll.h @@ -27,6 +27,7 @@ #define POLLMSG 0x0400 #define POLLREMOVE 0x0800 +#define POLLRDHUP 0x2000 struct pollfd { int fd; diff --git a/include/linux/adb.h b/include/linux/adb.h index e9fdc63483c7..b7305b178279 100644 --- a/include/linux/adb.h +++ b/include/linux/adb.h @@ -85,7 +85,7 @@ enum adb_message { ADB_MSG_POST_RESET /* Called after resetting the bus (re-do init & register) */ }; extern struct adb_driver *adb_controller; -extern struct notifier_block *adb_client_list; +extern struct blocking_notifier_head adb_client_list; int adb_request(struct adb_request *req, void (*done)(struct adb_request *), int flags, int nbytes, ...); diff --git a/include/linux/amba/serial.h b/include/linux/amba/serial.h index dc726ffccebd..48ee32a18ac5 100644 --- a/include/linux/amba/serial.h +++ b/include/linux/amba/serial.h @@ -158,4 +158,10 @@ #define UART01x_RSR_ANY (UART01x_RSR_OE|UART01x_RSR_BE|UART01x_RSR_PE|UART01x_RSR_FE) #define UART01x_FR_MODEM_ANY (UART01x_FR_DCD|UART01x_FR_DSR|UART01x_FR_CTS) +#ifndef __ASSEMBLY__ +struct amba_pl010_data { + void (*set_mctrl)(struct amba_device *dev, void __iomem *base, unsigned int mctrl); +}; +#endif + #endif diff --git a/include/linux/audit.h b/include/linux/audit.h index da3c01955f3d..1c47c59058c1 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -33,27 +33,42 @@ * 1200 - 1299 messages internal to the audit daemon * 1300 - 1399 audit event messages * 1400 - 1499 SE Linux use - * 1500 - 1999 future use - * 2000 is for otherwise unclassified kernel audit messages + * 1500 - 1599 kernel LSPP events + * 1600 - 1699 kernel crypto events + * 1700 - 1799 kernel anomaly records + * 1800 - 1999 future kernel use (maybe integrity labels and related events) + * 2000 is for otherwise unclassified kernel audit messages (legacy) + * 2001 - 2099 unused (kernel) + * 2100 - 2199 user space anomaly records + * 2200 - 2299 user space actions taken in response to anomalies + * 2300 - 2399 user space generated LSPP events + * 2400 - 2499 user space crypto events + * 2500 - 2999 future user space (maybe integrity labels and related events) * - * Messages from 1000-1199 are bi-directional. 1200-1299 are exclusively user - * space. Anything over that is kernel --> user space communication. + * Messages from 1000-1199 are bi-directional. 1200-1299 & 2100 - 2999 are + * exclusively user space. 1300-2099 is kernel --> user space + * communication. */ #define AUDIT_GET 1000 /* Get status */ #define AUDIT_SET 1001 /* Set status (enable/disable/auditd) */ -#define AUDIT_LIST 1002 /* List syscall filtering rules */ -#define AUDIT_ADD 1003 /* Add syscall filtering rule */ -#define AUDIT_DEL 1004 /* Delete syscall filtering rule */ +#define AUDIT_LIST 1002 /* List syscall rules -- deprecated */ +#define AUDIT_ADD 1003 /* Add syscall rule -- deprecated */ +#define AUDIT_DEL 1004 /* Delete syscall rule -- deprecated */ #define AUDIT_USER 1005 /* Message from userspace -- deprecated */ #define AUDIT_LOGIN 1006 /* Define the login id and information */ #define AUDIT_WATCH_INS 1007 /* Insert file/dir watch entry */ #define AUDIT_WATCH_REM 1008 /* Remove file/dir watch entry */ #define AUDIT_WATCH_LIST 1009 /* List all file/dir watches */ #define AUDIT_SIGNAL_INFO 1010 /* Get info about sender of signal to auditd */ +#define AUDIT_ADD_RULE 1011 /* Add syscall filtering rule */ +#define AUDIT_DEL_RULE 1012 /* Delete syscall filtering rule */ +#define AUDIT_LIST_RULES 1013 /* List syscall filtering rules */ #define AUDIT_FIRST_USER_MSG 1100 /* Userspace messages mostly uninteresting to kernel */ #define AUDIT_USER_AVC 1107 /* We filter this differently */ #define AUDIT_LAST_USER_MSG 1199 +#define AUDIT_FIRST_USER_MSG2 2100 /* More user space messages */ +#define AUDIT_LAST_USER_MSG2 2999 #define AUDIT_DAEMON_START 1200 /* Daemon startup record */ #define AUDIT_DAEMON_END 1201 /* Daemon normal stop record */ @@ -72,6 +87,13 @@ #define AUDIT_AVC 1400 /* SE Linux avc denial or grant */ #define AUDIT_SELINUX_ERR 1401 /* Internal SE Linux Errors */ #define AUDIT_AVC_PATH 1402 /* dentry, vfsmount pair from avc */ +#define AUDIT_MAC_POLICY_LOAD 1403 /* Policy file load */ +#define AUDIT_MAC_STATUS 1404 /* Changed enforcing,permissive,off */ +#define AUDIT_MAC_CONFIG_CHANGE 1405 /* Changes to booleans */ + +#define AUDIT_FIRST_KERN_ANOM_MSG 1700 +#define AUDIT_LAST_KERN_ANOM_MSG 1799 +#define AUDIT_ANOM_PROMISCUOUS 1700 /* Device changed promiscuous mode */ #define AUDIT_KERNEL 2000 /* Asynchronous audit record. NOT A REQUEST. */ @@ -81,8 +103,9 @@ #define AUDIT_FILTER_ENTRY 0x02 /* Apply rule at syscall entry */ #define AUDIT_FILTER_WATCH 0x03 /* Apply rule to file system watches */ #define AUDIT_FILTER_EXIT 0x04 /* Apply rule at syscall exit */ +#define AUDIT_FILTER_TYPE 0x05 /* Apply rule at audit_log_start */ -#define AUDIT_NR_FILTERS 5 +#define AUDIT_NR_FILTERS 6 #define AUDIT_FILTER_PREPEND 0x10 /* Prepend to front of list */ @@ -98,6 +121,13 @@ #define AUDIT_WORD(nr) ((__u32)((nr)/32)) #define AUDIT_BIT(nr) (1 << ((nr) - AUDIT_WORD(nr)*32)) +/* This bitmask is used to validate user input. It represents all bits that + * are currently used in an audit field constant understood by the kernel. + * If you are adding a new #define AUDIT_<whatever>, please ensure that + * AUDIT_UNUSED_BITS is updated if need be. */ +#define AUDIT_UNUSED_BITS 0x0FFFFC00 + + /* Rule fields */ /* These are useful when checking the * task structure at task creation time @@ -114,6 +144,7 @@ #define AUDIT_LOGINUID 9 #define AUDIT_PERS 10 #define AUDIT_ARCH 11 +#define AUDIT_MSGTYPE 12 /* These are ONLY useful when checking * at syscall exit time (AUDIT_AT_EXIT). */ @@ -128,8 +159,28 @@ #define AUDIT_ARG2 (AUDIT_ARG0+2) #define AUDIT_ARG3 (AUDIT_ARG0+3) -#define AUDIT_NEGATE 0x80000000 +#define AUDIT_NEGATE 0x80000000 +/* These are the supported operators. + * 4 2 1 + * = > < + * ------- + * 0 0 0 0 nonsense + * 0 0 1 1 < + * 0 1 0 2 > + * 0 1 1 3 != + * 1 0 0 4 = + * 1 0 1 5 <= + * 1 1 0 6 >= + * 1 1 1 7 all operators + */ +#define AUDIT_LESS_THAN 0x10000000 +#define AUDIT_GREATER_THAN 0x20000000 +#define AUDIT_NOT_EQUAL 0x30000000 +#define AUDIT_EQUAL 0x40000000 +#define AUDIT_LESS_THAN_OR_EQUAL (AUDIT_LESS_THAN|AUDIT_EQUAL) +#define AUDIT_GREATER_THAN_OR_EQUAL (AUDIT_GREATER_THAN|AUDIT_EQUAL) +#define AUDIT_OPERATORS (AUDIT_EQUAL|AUDIT_NOT_EQUAL) /* Status symbols */ /* Mask values */ @@ -186,6 +237,26 @@ struct audit_status { __u32 backlog; /* messages waiting in queue */ }; +/* audit_rule_data supports filter rules with both integer and string + * fields. It corresponds with AUDIT_ADD_RULE, AUDIT_DEL_RULE and + * AUDIT_LIST_RULES requests. + */ +struct audit_rule_data { + __u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */ + __u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */ + __u32 field_count; + __u32 mask[AUDIT_BITMASK_SIZE]; /* syscall(s) affected */ + __u32 fields[AUDIT_MAX_FIELDS]; + __u32 values[AUDIT_MAX_FIELDS]; + __u32 fieldflags[AUDIT_MAX_FIELDS]; + __u32 buflen; /* total length of string fields */ + char buf[0]; /* string fields buffer */ +}; + +/* audit_rule is supported to maintain backward compatibility with + * userspace. It supports integer fields only and corresponds to + * AUDIT_ADD, AUDIT_DEL and AUDIT_LIST requests. + */ struct audit_rule { /* for AUDIT_LIST, AUDIT_ADD, and AUDIT_DEL */ __u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */ __u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */ @@ -222,22 +293,33 @@ extern void audit_syscall_entry(struct task_struct *task, int arch, extern void audit_syscall_exit(struct task_struct *task, int failed, long return_code); extern void audit_getname(const char *name); extern void audit_putname(const char *name); -extern void audit_inode(const char *name, const struct inode *inode, unsigned flags); +extern void __audit_inode(const char *name, const struct inode *inode, unsigned flags); +extern void __audit_inode_child(const char *dname, const struct inode *inode, + unsigned long pino); +static inline void audit_inode(const char *name, const struct inode *inode, + unsigned flags) { + if (unlikely(current->audit_context)) + __audit_inode(name, inode, flags); +} +static inline void audit_inode_child(const char *dname, + const struct inode *inode, + unsigned long pino) { + if (unlikely(current->audit_context)) + __audit_inode_child(dname, inode, pino); +} /* Private API (for audit.c only) */ -extern int audit_receive_filter(int type, int pid, int uid, int seq, - void *data, uid_t loginuid); extern unsigned int audit_serial(void); extern void auditsc_get_stamp(struct audit_context *ctx, struct timespec *t, unsigned int *serial); extern int audit_set_loginuid(struct task_struct *task, uid_t loginuid); extern uid_t audit_get_loginuid(struct audit_context *ctx); -extern int audit_ipc_perms(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode); +extern int audit_ipc_perms(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode, struct kern_ipc_perm *ipcp); extern int audit_socketcall(int nargs, unsigned long *args); extern int audit_sockaddr(int len, void *addr); extern int audit_avc_path(struct dentry *dentry, struct vfsmount *mnt); extern void audit_signal_info(int sig, struct task_struct *t); -extern int audit_filter_user(struct netlink_skb_parms *cb, int type); +extern int audit_set_macxattr(const char *name); #else #define audit_alloc(t) ({ 0; }) #define audit_free(t) do { ; } while (0) @@ -245,16 +327,18 @@ extern int audit_filter_user(struct netlink_skb_parms *cb, int type); #define audit_syscall_exit(t,f,r) do { ; } while (0) #define audit_getname(n) do { ; } while (0) #define audit_putname(n) do { ; } while (0) +#define __audit_inode(n,i,f) do { ; } while (0) +#define __audit_inode_child(d,i,p) do { ; } while (0) #define audit_inode(n,i,f) do { ; } while (0) -#define audit_receive_filter(t,p,u,s,d,l) ({ -EOPNOTSUPP; }) +#define audit_inode_child(d,i,p) do { ; } while (0) #define auditsc_get_stamp(c,t,s) do { BUG(); } while (0) #define audit_get_loginuid(c) ({ -1; }) -#define audit_ipc_perms(q,u,g,m) ({ 0; }) +#define audit_ipc_perms(q,u,g,m,i) ({ 0; }) #define audit_socketcall(n,a) ({ 0; }) #define audit_sockaddr(len, addr) ({ 0; }) #define audit_avc_path(dentry, mnt) ({ 0; }) #define audit_signal_info(s,t) do { ; } while (0) -#define audit_filter_user(cb,t) ({ 1; }) +#define audit_set_macxattr(n) do { ; } while (0) #endif #ifdef CONFIG_AUDIT @@ -278,12 +362,11 @@ extern void audit_log_d_path(struct audit_buffer *ab, const char *prefix, struct dentry *dentry, struct vfsmount *vfsmnt); - /* Private API (for auditsc.c only) */ -extern void audit_send_reply(int pid, int seq, int type, - int done, int multi, - void *payload, int size); -extern void audit_log_lost(const char *message); -extern struct semaphore audit_netlink_sem; + /* Private API (for audit.c only) */ +extern int audit_filter_user(struct netlink_skb_parms *cb, int type); +extern int audit_filter_type(int type); +extern int audit_receive_filter(int type, int pid, int uid, int seq, + void *data, size_t datasz, uid_t loginuid); #else #define audit_log(c,g,t,f,...) do { ; } while (0) #define audit_log_start(c,g,t) ({ NULL; }) @@ -293,6 +376,7 @@ extern struct semaphore audit_netlink_sem; #define audit_log_hex(a,b,l) do { ; } while (0) #define audit_log_untrustedstring(a,s) do { ; } while (0) #define audit_log_d_path(b,p,d,v) do { ; } while (0) +#define audit_panic(m) do { ; } while (0) #endif #endif #endif diff --git a/include/linux/auto_fs4.h b/include/linux/auto_fs4.h index 9343c89d843c..0a6bc52ffe88 100644 --- a/include/linux/auto_fs4.h +++ b/include/linux/auto_fs4.h @@ -19,18 +19,37 @@ #undef AUTOFS_MIN_PROTO_VERSION #undef AUTOFS_MAX_PROTO_VERSION -#define AUTOFS_PROTO_VERSION 4 +#define AUTOFS_PROTO_VERSION 5 #define AUTOFS_MIN_PROTO_VERSION 3 -#define AUTOFS_MAX_PROTO_VERSION 4 +#define AUTOFS_MAX_PROTO_VERSION 5 -#define AUTOFS_PROTO_SUBVERSION 7 +#define AUTOFS_PROTO_SUBVERSION 0 /* Mask for expire behaviour */ #define AUTOFS_EXP_IMMEDIATE 1 #define AUTOFS_EXP_LEAVES 2 -/* New message type */ -#define autofs_ptype_expire_multi 2 /* Expire entry (umount request) */ +/* Daemon notification packet types */ +enum autofs_notify { + NFY_NONE, + NFY_MOUNT, + NFY_EXPIRE +}; + +/* Kernel protocol version 4 packet types */ + +/* Expire entry (umount request) */ +#define autofs_ptype_expire_multi 2 + +/* Kernel protocol version 5 packet types */ + +/* Indirect mount missing and expire requests. */ +#define autofs_ptype_missing_indirect 3 +#define autofs_ptype_expire_indirect 4 + +/* Direct mount missing and expire requests */ +#define autofs_ptype_missing_direct 5 +#define autofs_ptype_expire_direct 6 /* v4 multi expire (via pipe) */ struct autofs_packet_expire_multi { @@ -40,14 +59,36 @@ struct autofs_packet_expire_multi { char name[NAME_MAX+1]; }; +/* autofs v5 common packet struct */ +struct autofs_v5_packet { + struct autofs_packet_hdr hdr; + autofs_wqt_t wait_queue_token; + __u32 dev; + __u64 ino; + __u32 uid; + __u32 gid; + __u32 pid; + __u32 tgid; + __u32 len; + char name[NAME_MAX+1]; +}; + +typedef struct autofs_v5_packet autofs_packet_missing_indirect_t; +typedef struct autofs_v5_packet autofs_packet_expire_indirect_t; +typedef struct autofs_v5_packet autofs_packet_missing_direct_t; +typedef struct autofs_v5_packet autofs_packet_expire_direct_t; + union autofs_packet_union { struct autofs_packet_hdr hdr; struct autofs_packet_missing missing; struct autofs_packet_expire expire; struct autofs_packet_expire_multi expire_multi; + struct autofs_v5_packet v5_packet; }; #define AUTOFS_IOC_EXPIRE_MULTI _IOW(0x93,0x66,int) +#define AUTOFS_IOC_EXPIRE_INDIRECT AUTOFS_IOC_EXPIRE_MULTI +#define AUTOFS_IOC_EXPIRE_DIRECT AUTOFS_IOC_EXPIRE_MULTI #define AUTOFS_IOC_PROTOSUBVER _IOR(0x93,0x67,int) #define AUTOFS_IOC_ASKREGHOST _IOR(0x93,0x68,int) #define AUTOFS_IOC_TOGGLEREGHOST _IOR(0x93,0x69,int) diff --git a/include/linux/bitops.h b/include/linux/bitops.h index 208650b1ad3a..5d1eabcde5d5 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -3,88 +3,11 @@ #include <asm/types.h> /* - * ffs: find first bit set. This is defined the same way as - * the libc and compiler builtin ffs routines, therefore - * differs in spirit from the above ffz (man ffs). - */ - -static inline int generic_ffs(int x) -{ - int r = 1; - - if (!x) - return 0; - if (!(x & 0xffff)) { - x >>= 16; - r += 16; - } - if (!(x & 0xff)) { - x >>= 8; - r += 8; - } - if (!(x & 0xf)) { - x >>= 4; - r += 4; - } - if (!(x & 3)) { - x >>= 2; - r += 2; - } - if (!(x & 1)) { - x >>= 1; - r += 1; - } - return r; -} - -/* - * fls: find last bit set. - */ - -static __inline__ int generic_fls(int x) -{ - int r = 32; - - if (!x) - return 0; - if (!(x & 0xffff0000u)) { - x <<= 16; - r -= 16; - } - if (!(x & 0xff000000u)) { - x <<= 8; - r -= 8; - } - if (!(x & 0xf0000000u)) { - x <<= 4; - r -= 4; - } - if (!(x & 0xc0000000u)) { - x <<= 2; - r -= 2; - } - if (!(x & 0x80000000u)) { - x <<= 1; - r -= 1; - } - return r; -} - -/* * Include this here because some architectures need generic_ffs/fls in * scope */ #include <asm/bitops.h> - -static inline int generic_fls64(__u64 x) -{ - __u32 h = x >> 32; - if (h) - return fls(h) + 32; - return fls(x); -} - static __inline__ int get_bitmask_order(unsigned int count) { int order; @@ -103,54 +26,9 @@ static __inline__ int get_count_order(unsigned int count) return order; } -/* - * hweightN: returns the hamming weight (i.e. the number - * of bits set) of a N-bit word - */ - -static inline unsigned int generic_hweight32(unsigned int w) -{ - unsigned int res = (w & 0x55555555) + ((w >> 1) & 0x55555555); - res = (res & 0x33333333) + ((res >> 2) & 0x33333333); - res = (res & 0x0F0F0F0F) + ((res >> 4) & 0x0F0F0F0F); - res = (res & 0x00FF00FF) + ((res >> 8) & 0x00FF00FF); - return (res & 0x0000FFFF) + ((res >> 16) & 0x0000FFFF); -} - -static inline unsigned int generic_hweight16(unsigned int w) -{ - unsigned int res = (w & 0x5555) + ((w >> 1) & 0x5555); - res = (res & 0x3333) + ((res >> 2) & 0x3333); - res = (res & 0x0F0F) + ((res >> 4) & 0x0F0F); - return (res & 0x00FF) + ((res >> 8) & 0x00FF); -} - -static inline unsigned int generic_hweight8(unsigned int w) -{ - unsigned int res = (w & 0x55) + ((w >> 1) & 0x55); - res = (res & 0x33) + ((res >> 2) & 0x33); - return (res & 0x0F) + ((res >> 4) & 0x0F); -} - -static inline unsigned long generic_hweight64(__u64 w) -{ -#if BITS_PER_LONG < 64 - return generic_hweight32((unsigned int)(w >> 32)) + - generic_hweight32((unsigned int)w); -#else - u64 res; - res = (w & 0x5555555555555555ul) + ((w >> 1) & 0x5555555555555555ul); - res = (res & 0x3333333333333333ul) + ((res >> 2) & 0x3333333333333333ul); - res = (res & 0x0F0F0F0F0F0F0F0Ful) + ((res >> 4) & 0x0F0F0F0F0F0F0F0Ful); - res = (res & 0x00FF00FF00FF00FFul) + ((res >> 8) & 0x00FF00FF00FF00FFul); - res = (res & 0x0000FFFF0000FFFFul) + ((res >> 16) & 0x0000FFFF0000FFFFul); - return (res & 0x00000000FFFFFFFFul) + ((res >> 32) & 0x00000000FFFFFFFFul); -#endif -} - static inline unsigned long hweight_long(unsigned long w) { - return sizeof(w) == 4 ? generic_hweight32(w) : generic_hweight64(w); + return sizeof(w) == 4 ? hweight32(w) : hweight64(w); } /* @@ -175,4 +53,11 @@ static inline __u32 ror32(__u32 word, unsigned int shift) return (word >> shift) | (word << (32 - shift)); } +static inline unsigned fls_long(unsigned long l) +{ + if (sizeof(l) == 4) + return fls(l); + return fls64(l); +} + #endif diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index c179966f1a2f..d0cac8b58de7 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -55,25 +55,29 @@ struct as_io_context { struct cfq_queue; struct cfq_io_context { - /* - * circular list of cfq_io_contexts belonging to a process io context - */ - struct list_head list; - struct cfq_queue *cfqq[2]; + struct rb_node rb_node; void *key; + struct cfq_queue *cfqq[2]; + struct io_context *ioc; unsigned long last_end_request; - unsigned long last_queue; + sector_t last_request_pos; + unsigned long last_queue; + unsigned long ttime_total; unsigned long ttime_samples; unsigned long ttime_mean; + unsigned int seek_samples; + u64 seek_total; + sector_t seek_mean; + struct list_head queue_list; - void (*dtor)(struct cfq_io_context *); - void (*exit)(struct cfq_io_context *); + void (*dtor)(struct io_context *); /* destructor */ + void (*exit)(struct io_context *); /* called on task exit */ }; /* @@ -94,7 +98,7 @@ struct io_context { int nr_batch_requests; /* Number of requests left in the batch */ struct as_io_context *aic; - struct cfq_io_context *cic; + struct rb_root cic_root; }; void put_io_context(struct io_context *ioc); diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h index 993da8cc9706..de3eb8d8ae26 100644 --- a/include/linux/bootmem.h +++ b/include/linux/bootmem.h @@ -38,6 +38,7 @@ typedef struct bootmem_data { unsigned long last_pos; unsigned long last_success; /* Previous allocation point. To speed * up searching */ + struct list_head list; } bootmem_data_t; extern unsigned long __init bootmem_bootmap_pages (unsigned long); @@ -51,6 +52,9 @@ extern void * __init __alloc_bootmem_low_node(pg_data_t *pgdat, unsigned long size, unsigned long align, unsigned long goal); +extern void * __init __alloc_bootmem_core(struct bootmem_data *bdata, + unsigned long size, unsigned long align, unsigned long goal, + unsigned long limit); #ifndef CONFIG_HAVE_ARCH_BOOTMEM_NODE extern void __init reserve_bootmem (unsigned long addr, unsigned long size); #define alloc_bootmem(x) \ diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index 9f159baf153f..fb7e9b7ccbe3 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -46,25 +46,28 @@ struct address_space; typedef void (bh_end_io_t)(struct buffer_head *bh, int uptodate); /* - * Keep related fields in common cachelines. The most commonly accessed - * field (b_state) goes at the start so the compiler does not generate - * indexed addressing for it. + * Historically, a buffer_head was used to map a single block + * within a page, and of course as the unit of I/O through the + * filesystem and block layers. Nowadays the basic I/O unit + * is the bio, and buffer_heads are used for extracting block + * mappings (via a get_block_t call), for tracking state within + * a page (via a page_mapping) and for wrapping bio submission + * for backward compatibility reasons (e.g. submit_bh). */ struct buffer_head { - /* First cache line: */ unsigned long b_state; /* buffer state bitmap (see above) */ struct buffer_head *b_this_page;/* circular list of page's buffers */ struct page *b_page; /* the page this bh is mapped to */ - atomic_t b_count; /* users using this block */ - u32 b_size; /* block size */ - sector_t b_blocknr; /* block number */ - char *b_data; /* pointer to data block */ + sector_t b_blocknr; /* start block number */ + size_t b_size; /* size of mapping */ + char *b_data; /* pointer to data within the page */ struct block_device *b_bdev; bh_end_io_t *b_end_io; /* I/O completion */ void *b_private; /* reserved for b_end_io */ struct list_head b_assoc_buffers; /* associated with another mapping */ + atomic_t b_count; /* users using this buffer_head */ }; /* @@ -189,8 +192,8 @@ extern int buffer_heads_over_limit; * address_spaces. */ int try_to_release_page(struct page * page, gfp_t gfp_mask); -int block_invalidatepage(struct page *page, unsigned long offset); -int do_invalidatepage(struct page *page, unsigned long offset); +void block_invalidatepage(struct page *page, unsigned long offset); +void do_invalidatepage(struct page *page, unsigned long offset); int block_write_full_page(struct page *page, get_block_t *get_block, struct writeback_control *wbc); int block_read_full_page(struct page*, get_block_t*); @@ -200,7 +203,7 @@ int cont_prepare_write(struct page*, unsigned, unsigned, get_block_t*, int generic_cont_expand(struct inode *inode, loff_t size); int generic_cont_expand_simple(struct inode *inode, loff_t size); int block_commit_write(struct page *page, unsigned from, unsigned to); -int block_sync_page(struct page *); +void block_sync_page(struct page *); sector_t generic_block_bmap(struct address_space *, sector_t, get_block_t *); int generic_commit_write(struct file *, struct page *, unsigned, unsigned); int block_truncate_page(struct address_space *, loff_t, get_block_t *); @@ -277,6 +280,7 @@ map_bh(struct buffer_head *bh, struct super_block *sb, sector_t block) set_buffer_mapped(bh); bh->b_bdev = sb->s_bdev; bh->b_blocknr = block; + bh->b_size = sb->s_blocksize; } /* diff --git a/include/linux/capability.h b/include/linux/capability.h index 5a23ce752629..6548b35ab9f6 100644 --- a/include/linux/capability.h +++ b/include/linux/capability.h @@ -357,7 +357,8 @@ static inline kernel_cap_t cap_invert(kernel_cap_t c) #define cap_is_fs_cap(c) (CAP_TO_MASK(c) & CAP_FS_MASK) -extern int capable(int cap); +int capable(int cap); +int __capable(struct task_struct *t, int cap); #endif /* __KERNEL__ */ diff --git a/include/linux/cdev.h b/include/linux/cdev.h index 8da37e29cb87..2216638962d2 100644 --- a/include/linux/cdev.h +++ b/include/linux/cdev.h @@ -5,13 +5,13 @@ struct cdev { struct kobject kobj; struct module *owner; - struct file_operations *ops; + const struct file_operations *ops; struct list_head list; dev_t dev; unsigned int count; }; -void cdev_init(struct cdev *, struct file_operations *); +void cdev_init(struct cdev *, const struct file_operations *); struct cdev *cdev_alloc(void); diff --git a/include/linux/clk.h b/include/linux/clk.h index 12848f81bb37..5ca8c6fddb56 100644 --- a/include/linux/clk.h +++ b/include/linux/clk.h @@ -8,8 +8,8 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ -#ifndef ASMARM_CLOCK_H -#define ASMARM_CLOCK_H +#ifndef __LINUX_CLK_H +#define __LINUX_CLK_H struct device; diff --git a/include/linux/coda_linux.h b/include/linux/coda_linux.h index cc621ec409d8..b3ecf8f71d97 100644 --- a/include/linux/coda_linux.h +++ b/include/linux/coda_linux.h @@ -30,9 +30,9 @@ extern struct inode_operations coda_ioctl_inode_operations; extern struct address_space_operations coda_file_aops; extern struct address_space_operations coda_symlink_aops; -extern struct file_operations coda_dir_operations; -extern struct file_operations coda_file_operations; -extern struct file_operations coda_ioctl_operations; +extern const struct file_operations coda_dir_operations; +extern const struct file_operations coda_file_operations; +extern const struct file_operations coda_ioctl_operations; /* operations shared over more than one file */ int coda_open(struct inode *i, struct file *f); diff --git a/include/linux/compat.h b/include/linux/compat.h index c9ab2a26348c..6d3a654be1ae 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -45,6 +45,32 @@ struct compat_tms { compat_clock_t tms_cstime; }; +struct compat_timex { + compat_uint_t modes; + compat_long_t offset; + compat_long_t freq; + compat_long_t maxerror; + compat_long_t esterror; + compat_int_t status; + compat_long_t constant; + compat_long_t precision; + compat_long_t tolerance; + struct compat_timeval time; + compat_long_t tick; + compat_long_t ppsfreq; + compat_long_t jitter; + compat_int_t shift; + compat_long_t stabil; + compat_long_t jitcnt; + compat_long_t calcnt; + compat_long_t errcnt; + compat_long_t stbcnt; + + compat_int_t :32; compat_int_t :32; compat_int_t :32; compat_int_t :32; + compat_int_t :32; compat_int_t :32; compat_int_t :32; compat_int_t :32; + compat_int_t :32; compat_int_t :32; compat_int_t :32; compat_int_t :32; +}; + #define _COMPAT_NSIG_WORDS (_COMPAT_NSIG / _COMPAT_NSIG_BPW) typedef struct { @@ -121,6 +147,24 @@ typedef struct compat_sigevent { } _sigev_un; } compat_sigevent_t; +struct compat_robust_list { + compat_uptr_t next; +}; + +struct compat_robust_list_head { + struct compat_robust_list list; + compat_long_t futex_offset; + compat_uptr_t list_op_pending; +}; + +extern void compat_exit_robust_list(struct task_struct *curr); + +asmlinkage long +compat_sys_set_robust_list(struct compat_robust_list_head __user *head, + compat_size_t len); +asmlinkage long +compat_sys_get_robust_list(int pid, compat_uptr_t *head_ptr, + compat_size_t __user *len_ptr); long compat_sys_semctl(int first, int second, int third, void __user *uptr); long compat_sys_msgsnd(int first, int second, int third, void __user *uptr); @@ -181,5 +225,7 @@ static inline int compat_timespec_compare(struct compat_timespec *lhs, return lhs->tv_nsec - rhs->tv_nsec; } +asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp); + #endif /* CONFIG_COMPAT */ #endif /* _LINUX_COMPAT_H */ diff --git a/include/linux/compat_ioctl.h b/include/linux/compat_ioctl.h index efb518f16bb3..89ab677cb993 100644 --- a/include/linux/compat_ioctl.h +++ b/include/linux/compat_ioctl.h @@ -140,6 +140,7 @@ COMPATIBLE_IOCTL(DM_TABLE_DEPS_32) COMPATIBLE_IOCTL(DM_TABLE_STATUS_32) COMPATIBLE_IOCTL(DM_LIST_VERSIONS_32) COMPATIBLE_IOCTL(DM_TARGET_MSG_32) +COMPATIBLE_IOCTL(DM_DEV_SET_GEOMETRY_32) COMPATIBLE_IOCTL(DM_VERSION) COMPATIBLE_IOCTL(DM_REMOVE_ALL) COMPATIBLE_IOCTL(DM_LIST_DEVICES) @@ -155,6 +156,7 @@ COMPATIBLE_IOCTL(DM_TABLE_DEPS) COMPATIBLE_IOCTL(DM_TABLE_STATUS) COMPATIBLE_IOCTL(DM_LIST_VERSIONS) COMPATIBLE_IOCTL(DM_TARGET_MSG) +COMPATIBLE_IOCTL(DM_DEV_SET_GEOMETRY) /* Big K */ COMPATIBLE_IOCTL(PIO_FONT) COMPATIBLE_IOCTL(GIO_FONT) diff --git a/include/linux/cpu.h b/include/linux/cpu.h index d612b89dce33..08d50c53aab4 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -74,7 +74,6 @@ extern int lock_cpu_hotplug_interruptible(void); register_cpu_notifier(&fn##_nb); \ } int cpu_down(unsigned int cpu); -extern int __attribute__((weak)) smp_prepare_cpu(int cpu); #define cpu_is_offline(cpu) unlikely(!cpu_online(cpu)) #else #define lock_cpu_hotplug() do { } while (0) diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h index 60e56c6e03dd..9cbb781d6f80 100644 --- a/include/linux/cpumask.h +++ b/include/linux/cpumask.h @@ -67,7 +67,7 @@ * * int any_online_cpu(mask) First online cpu in mask * - * for_each_cpu(cpu) for-loop cpu over cpu_possible_map + * for_each_possible_cpu(cpu) for-loop cpu over cpu_possible_map * for_each_online_cpu(cpu) for-loop cpu over cpu_online_map * for_each_present_cpu(cpu) for-loop cpu over cpu_present_map * @@ -212,17 +212,15 @@ static inline void __cpus_shift_left(cpumask_t *dstp, bitmap_shift_left(dstp->bits, srcp->bits, n, nbits); } -#define first_cpu(src) __first_cpu(&(src), NR_CPUS) -static inline int __first_cpu(const cpumask_t *srcp, int nbits) -{ - return min_t(int, nbits, find_first_bit(srcp->bits, nbits)); -} - -#define next_cpu(n, src) __next_cpu((n), &(src), NR_CPUS) -static inline int __next_cpu(int n, const cpumask_t *srcp, int nbits) -{ - return min_t(int, nbits, find_next_bit(srcp->bits, nbits, n+1)); -} +#ifdef CONFIG_SMP +int __first_cpu(const cpumask_t *srcp); +#define first_cpu(src) __first_cpu(&(src)) +int __next_cpu(int n, const cpumask_t *srcp); +#define next_cpu(n, src) __next_cpu((n), &(src)) +#else +#define first_cpu(src) 0 +#define next_cpu(n, src) 1 +#endif #define cpumask_of_cpu(cpu) \ ({ \ @@ -398,27 +396,18 @@ extern cpumask_t cpu_present_map; #define cpu_present(cpu) ((cpu) == 0) #endif -#define any_online_cpu(mask) \ -({ \ - int cpu; \ - for_each_cpu_mask(cpu, (mask)) \ - if (cpu_online(cpu)) \ - break; \ - cpu; \ -}) +#ifdef CONFIG_SMP +int highest_possible_processor_id(void); +#define any_online_cpu(mask) __any_online_cpu(&(mask)) +int __any_online_cpu(const cpumask_t *mask); +#else +#define highest_possible_processor_id() 0 +#define any_online_cpu(mask) 0 +#endif -#define for_each_cpu(cpu) for_each_cpu_mask((cpu), cpu_possible_map) +#define for_each_cpu(cpu) for_each_cpu_mask((cpu), cpu_possible_map) +#define for_each_possible_cpu(cpu) for_each_cpu_mask((cpu), cpu_possible_map) #define for_each_online_cpu(cpu) for_each_cpu_mask((cpu), cpu_online_map) #define for_each_present_cpu(cpu) for_each_cpu_mask((cpu), cpu_present_map) -/* Find the highest possible smp_processor_id() */ -#define highest_possible_processor_id() \ -({ \ - unsigned int cpu, highest = 0; \ - for_each_cpu_mask(cpu, cpu_possible_map) \ - highest = cpu; \ - highest; \ -}) - - #endif /* __LINUX_CPUMASK_H */ diff --git a/include/linux/crash_dump.h b/include/linux/crash_dump.h index 534d750d922d..32503657f14f 100644 --- a/include/linux/crash_dump.h +++ b/include/linux/crash_dump.h @@ -11,7 +11,7 @@ extern unsigned long long elfcorehdr_addr; extern ssize_t copy_oldmem_page(unsigned long, char *, size_t, unsigned long, int); -extern struct file_operations proc_vmcore_operations; +extern const struct file_operations proc_vmcore_operations; extern struct proc_dir_entry *proc_vmcore; #endif /* CONFIG_CRASH_DUMP */ diff --git a/include/linux/dcache.h b/include/linux/dcache.h index 4361f3789975..d10bd30c337e 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -162,6 +162,8 @@ d_iput: no no no yes #define DCACHE_REFERENCED 0x0008 /* Recently used, don't discard. */ #define DCACHE_UNHASHED 0x0010 +#define DCACHE_INOTIFY_PARENT_WATCHED 0x0020 /* Parent inode is watched */ + extern spinlock_t dcache_lock; /** diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h index 4b0428e335be..176e2d371577 100644 --- a/include/linux/debugfs.h +++ b/include/linux/debugfs.h @@ -29,7 +29,7 @@ struct debugfs_blob_wrapper { #if defined(CONFIG_DEBUG_FS) struct dentry *debugfs_create_file(const char *name, mode_t mode, struct dentry *parent, void *data, - struct file_operations *fops); + const struct file_operations *fops); struct dentry *debugfs_create_dir(const char *name, struct dentry *parent); diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index 51e0e95a421a..aee10b2ea4c6 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -97,6 +97,7 @@ struct io_restrictions { unsigned short hardsect_size; unsigned int max_segment_size; unsigned long seg_boundary_mask; + unsigned char no_cluster; /* inverted so that 0 is default */ }; struct dm_target { diff --git a/include/linux/dio.h b/include/linux/dio.h index fae9395fcf4f..1e65ebc2a3db 100644 --- a/include/linux/dio.h +++ b/include/linux/dio.h @@ -276,37 +276,5 @@ static inline void dio_set_drvdata (struct dio_dev *d, void *data) dev_set_drvdata(&d->dev, data); } -/* - * A helper function which helps ensure correct dio_driver - * setup and cleanup for commonly-encountered hotplug/modular cases - * - * This MUST stay in a header, as it checks for -DMODULE - */ -static inline int dio_module_init(struct dio_driver *drv) -{ - int rc = dio_register_driver(drv); - - if (rc > 0) - return 0; - - /* iff CONFIG_HOTPLUG and built into kernel, we should - * leave the driver around for future hotplug events. - * For the module case, a hotplug daemon of some sort - * should load a module in response to an insert event. */ -#if defined(CONFIG_HOTPLUG) && !defined(MODULE) - if (rc == 0) - return 0; -#else - if (rc == 0) - rc = -ENODEV; -#endif - - /* if we get here, we need to clean up DIO driver instance - * and return some sort of error */ - dio_unregister_driver(drv); - - return rc; -} - #endif /* __KERNEL__ */ #endif /* ndef _LINUX_DIO_H */ diff --git a/include/linux/dm-ioctl.h b/include/linux/dm-ioctl.h index fa75ba0d635e..c67c6786612a 100644 --- a/include/linux/dm-ioctl.h +++ b/include/linux/dm-ioctl.h @@ -80,6 +80,16 @@ * * DM_TARGET_MSG: * Pass a message string to the target at a specific offset of a device. + * + * DM_DEV_SET_GEOMETRY: + * Set the geometry of a device by passing in a string in this format: + * + * "cylinders heads sectors_per_track start_sector" + * + * Beware that CHS geometry is nearly obsolete and only provided + * for compatibility with dm devices that can be booted by a PC + * BIOS. See struct hd_geometry for range limits. Also note that + * the geometry is erased if the device size changes. */ /* @@ -218,6 +228,7 @@ enum { /* Added later */ DM_LIST_VERSIONS_CMD, DM_TARGET_MSG_CMD, + DM_DEV_SET_GEOMETRY_CMD }; /* @@ -247,6 +258,7 @@ typedef char ioctl_struct[308]; #define DM_TABLE_STATUS_32 _IOWR(DM_IOCTL, DM_TABLE_STATUS_CMD, ioctl_struct) #define DM_LIST_VERSIONS_32 _IOWR(DM_IOCTL, DM_LIST_VERSIONS_CMD, ioctl_struct) #define DM_TARGET_MSG_32 _IOWR(DM_IOCTL, DM_TARGET_MSG_CMD, ioctl_struct) +#define DM_DEV_SET_GEOMETRY_32 _IOWR(DM_IOCTL, DM_DEV_SET_GEOMETRY_CMD, ioctl_struct) #endif #define DM_IOCTL 0xfd @@ -270,11 +282,12 @@ typedef char ioctl_struct[308]; #define DM_LIST_VERSIONS _IOWR(DM_IOCTL, DM_LIST_VERSIONS_CMD, struct dm_ioctl) #define DM_TARGET_MSG _IOWR(DM_IOCTL, DM_TARGET_MSG_CMD, struct dm_ioctl) +#define DM_DEV_SET_GEOMETRY _IOWR(DM_IOCTL, DM_DEV_SET_GEOMETRY_CMD, struct dm_ioctl) #define DM_VERSION_MAJOR 4 -#define DM_VERSION_MINOR 5 +#define DM_VERSION_MINOR 6 #define DM_VERSION_PATCHLEVEL 0 -#define DM_VERSION_EXTRA "-ioctl (2005-10-04)" +#define DM_VERSION_EXTRA "-ioctl (2006-02-17)" /* Status bits */ #define DM_READONLY_FLAG (1 << 0) /* In/Out */ diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index a8731062a74c..9b4751aecc23 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -21,6 +21,7 @@ enum dma_data_direction { #define DMA_30BIT_MASK 0x000000003fffffffULL #define DMA_29BIT_MASK 0x000000001fffffffULL #define DMA_28BIT_MASK 0x000000000fffffffULL +#define DMA_24BIT_MASK 0x0000000000ffffffULL #include <asm/dma-mapping.h> diff --git a/include/linux/dmi.h b/include/linux/dmi.h index 2e6bbe014157..64fd6c366604 100644 --- a/include/linux/dmi.h +++ b/include/linux/dmi.h @@ -68,6 +68,7 @@ extern char * dmi_get_system_info(int field); extern struct dmi_device * dmi_find_device(int type, const char *name, struct dmi_device *from); extern void dmi_scan_machine(void); +extern int dmi_get_year(int field); #else @@ -75,6 +76,7 @@ static inline int dmi_check_system(struct dmi_system_id *list) { return 0; } static inline char * dmi_get_system_info(int field) { return NULL; } static inline struct dmi_device * dmi_find_device(int type, const char *name, struct dmi_device *from) { return NULL; } +static inline int dmi_get_year(int year) { return 0; } #endif diff --git a/include/linux/efi.h b/include/linux/efi.h index c7c5dd316182..e203613d3aec 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -240,19 +240,21 @@ struct efi_memory_map { unsigned long desc_size; }; +#define EFI_INVALID_TABLE_ADDR (~0UL) + /* * All runtime access to EFI goes through this structure: */ extern struct efi { efi_system_table_t *systab; /* EFI system table */ - void *mps; /* MPS table */ - void *acpi; /* ACPI table (IA64 ext 0.71) */ - void *acpi20; /* ACPI table (ACPI 2.0) */ - void *smbios; /* SM BIOS table */ - void *sal_systab; /* SAL system table */ - void *boot_info; /* boot info table */ - void *hcdp; /* HCDP table */ - void *uga; /* UGA table */ + unsigned long mps; /* MPS table */ + unsigned long acpi; /* ACPI table (IA64 ext 0.71) */ + unsigned long acpi20; /* ACPI table (ACPI 2.0) */ + unsigned long smbios; /* SM BIOS table */ + unsigned long sal_systab; /* SAL system table */ + unsigned long boot_info; /* boot info table */ + unsigned long hcdp; /* HCDP table */ + unsigned long uga; /* UGA table */ efi_get_time_t *get_time; efi_set_time_t *set_time; efi_get_wakeup_time_t *get_wakeup_time; @@ -292,6 +294,8 @@ extern void efi_enter_virtual_mode (void); /* switch EFI to virtual mode, if pos extern u64 efi_get_iobase (void); extern u32 efi_mem_type (unsigned long phys_addr); extern u64 efi_mem_attributes (unsigned long phys_addr); +extern int efi_mem_attribute_range (unsigned long phys_addr, unsigned long size, + u64 attr); extern int __init efi_uart_console_only (void); extern void efi_initialize_iomem_resources(struct resource *code_resource, struct resource *data_resource); diff --git a/include/linux/efs_fs.h b/include/linux/efs_fs.h index 28f368c526fb..fbfa6b52e2fb 100644 --- a/include/linux/efs_fs.h +++ b/include/linux/efs_fs.h @@ -37,7 +37,7 @@ static inline struct efs_sb_info *SUPER_INFO(struct super_block *sb) struct statfs; extern struct inode_operations efs_dir_inode_operations; -extern struct file_operations efs_dir_operations; +extern const struct file_operations efs_dir_operations; extern struct address_space_operations efs_symlink_aops; extern void efs_read_inode(struct inode *); diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h index e7239f2f97a1..3ade6a4e3bdd 100644 --- a/include/linux/ext3_fs.h +++ b/include/linux/ext3_fs.h @@ -36,7 +36,8 @@ struct statfs; * Define EXT3_RESERVATION to reserve data blocks for expanding files */ #define EXT3_DEFAULT_RESERVE_BLOCKS 8 -#define EXT3_MAX_RESERVE_BLOCKS 1024 +/*max window size: 1024(direct blocks) + 3([t,d]indirect blocks) */ +#define EXT3_MAX_RESERVE_BLOCKS 1027 #define EXT3_RESERVE_WINDOW_NOT_ALLOCATED 0 /* * Always enable hashed directories @@ -732,6 +733,8 @@ struct dir_private_info { extern int ext3_bg_has_super(struct super_block *sb, int group); extern unsigned long ext3_bg_num_gdb(struct super_block *sb, int group); extern int ext3_new_block (handle_t *, struct inode *, unsigned long, int *); +extern int ext3_new_blocks (handle_t *, struct inode *, unsigned long, + unsigned long *, int *); extern void ext3_free_blocks (handle_t *, struct inode *, unsigned long, unsigned long); extern void ext3_free_blocks_sb (handle_t *, struct super_block *, @@ -775,9 +778,9 @@ extern unsigned long ext3_count_free (struct buffer_head *, unsigned); int ext3_forget(handle_t *, int, struct inode *, struct buffer_head *, int); struct buffer_head * ext3_getblk (handle_t *, struct inode *, long, int, int *); struct buffer_head * ext3_bread (handle_t *, struct inode *, int, int, int *); -int ext3_get_block_handle(handle_t *handle, struct inode *inode, - sector_t iblock, struct buffer_head *bh_result, int create, - int extend_disksize); +int ext3_get_blocks_handle(handle_t *handle, struct inode *inode, + sector_t iblock, unsigned long maxblocks, struct buffer_head *bh_result, + int create, int extend_disksize); extern void ext3_read_inode (struct inode *); extern int ext3_write_inode (struct inode *, int); @@ -830,11 +833,11 @@ do { \ */ /* dir.c */ -extern struct file_operations ext3_dir_operations; +extern const struct file_operations ext3_dir_operations; /* file.c */ extern struct inode_operations ext3_file_inode_operations; -extern struct file_operations ext3_file_operations; +extern const struct file_operations ext3_file_operations; /* namei.c */ extern struct inode_operations ext3_dir_inode_operations; diff --git a/include/linux/fb.h b/include/linux/fb.h index 2cb19e6503aa..d03fadfcafe3 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -734,7 +734,7 @@ struct fb_tile_ops { /* A driver may set this flag to indicate that it does want a set_par to be * called every time when fbcon_switch is executed. The advantage is that with - * this flag set you can really be shure that set_par is always called before + * this flag set you can really be sure that set_par is always called before * any of the functions dependant on the correct hardware state or altering * that state, even if you are using some broken X releases. The disadvantage * is that it introduces unwanted delays to every console switch if set_par diff --git a/include/linux/fs.h b/include/linux/fs.h index 215696a0f16f..408fe89498f4 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -65,6 +65,11 @@ extern int dir_notify_enable; #define FMODE_PREAD 8 #define FMODE_PWRITE FMODE_PREAD /* These go hand in hand */ +/* File is being opened for execution. Primary users of this flag are + distributed filesystems that can use it to achieve correct ETXTBUSY + behavior for cross-node execution/opening_for_writing of files */ +#define FMODE_EXEC 16 + #define RW_MASK 1 #define RWA_MASK 2 #define READ 0 @@ -247,9 +252,6 @@ extern void __init files_init(unsigned long); struct buffer_head; typedef int (get_block_t)(struct inode *inode, sector_t iblock, struct buffer_head *bh_result, int create); -typedef int (get_blocks_t)(struct inode *inode, sector_t iblock, - unsigned long max_blocks, - struct buffer_head *bh_result, int create); typedef void (dio_iodone_t)(struct kiocb *iocb, loff_t offset, ssize_t bytes, void *private); @@ -345,7 +347,7 @@ struct writeback_control; struct address_space_operations { int (*writepage)(struct page *page, struct writeback_control *wbc); int (*readpage)(struct file *, struct page *); - int (*sync_page)(struct page *); + void (*sync_page)(struct page *); /* Write back some dirty pages from this mapping. */ int (*writepages)(struct address_space *, struct writeback_control *); @@ -364,7 +366,7 @@ struct address_space_operations { int (*commit_write)(struct file *, struct page *, unsigned, unsigned); /* Unfortunately this kludge is needed for FIBMAP. Don't use it */ sector_t (*bmap)(struct address_space *, sector_t); - int (*invalidatepage) (struct page *, unsigned long); + void (*invalidatepage) (struct page *, unsigned long); int (*releasepage) (struct page *, gfp_t); ssize_t (*direct_IO)(int, struct kiocb *, const struct iovec *iov, loff_t offset, unsigned long nr_segs); @@ -408,6 +410,9 @@ struct block_device { struct list_head bd_inodes; void * bd_holder; int bd_holders; +#ifdef CONFIG_SYSFS + struct list_head bd_holder_list; +#endif struct block_device * bd_contains; unsigned bd_block_size; struct hd_struct * bd_part; @@ -485,13 +490,13 @@ struct inode { unsigned int i_blkbits; unsigned long i_blksize; unsigned long i_version; - unsigned long i_blocks; + blkcnt_t i_blocks; unsigned short i_bytes; spinlock_t i_lock; /* i_blocks, i_bytes, maybe i_size */ struct mutex i_mutex; struct rw_semaphore i_alloc_sem; struct inode_operations *i_op; - struct file_operations *i_fop; /* former ->i_op->default_file_ops */ + const struct file_operations *i_fop; /* former ->i_op->default_file_ops */ struct super_block *i_sb; struct file_lock *i_flock; struct address_space *i_mapping; @@ -631,7 +636,7 @@ struct file { } f_u; struct dentry *f_dentry; struct vfsmount *f_vfsmnt; - struct file_operations *f_op; + const struct file_operations *f_op; atomic_t f_count; unsigned int f_flags; mode_t f_mode; @@ -673,7 +678,6 @@ extern spinlock_t files_lock; #define FL_POSIX 1 #define FL_FLOCK 2 #define FL_ACCESS 8 /* not trying to lock, just looking */ -#define FL_LOCKD 16 /* lock held by rpc.lockd */ #define FL_LEASE 32 /* lease held on this file */ #define FL_SLEEP 128 /* A blocking lock */ @@ -737,8 +741,6 @@ struct file_lock { #define OFFT_OFFSET_MAX INT_LIMIT(off_t) #endif -extern struct list_head file_lock_list; - #include <linux/fcntl.h> extern int fcntl_getlk(struct file *, struct flock __user *); @@ -760,10 +762,10 @@ extern void locks_init_lock(struct file_lock *); extern void locks_copy_lock(struct file_lock *, struct file_lock *); extern void locks_remove_posix(struct file *, fl_owner_t); extern void locks_remove_flock(struct file *); -extern struct file_lock *posix_test_lock(struct file *, struct file_lock *); +extern int posix_test_lock(struct file *, struct file_lock *, struct file_lock *); +extern int posix_lock_file_conf(struct file *, struct file_lock *, struct file_lock *); extern int posix_lock_file(struct file *, struct file_lock *); extern int posix_lock_file_wait(struct file *, struct file_lock *); -extern void posix_block_lock(struct file_lock *, struct file_lock *); extern int posix_unblock_lock(struct file *, struct file_lock *); extern int posix_locks_deadlock(struct file_lock *, struct file_lock *); extern int flock_lock_file_wait(struct file *filp, struct file_lock *fl); @@ -1092,6 +1094,7 @@ struct super_operations { void (*umount_begin) (struct super_block *); int (*show_options)(struct seq_file *, struct vfsmount *); + int (*show_stats)(struct seq_file *, struct vfsmount *); ssize_t (*quota_read)(struct super_block *, int, char *, size_t, loff_t); ssize_t (*quota_write)(struct super_block *, int, const char *, size_t, loff_t); @@ -1387,11 +1390,11 @@ extern void bd_set_size(struct block_device *, loff_t size); extern void bd_forget(struct inode *inode); extern void bdput(struct block_device *); extern struct block_device *open_by_devnum(dev_t, unsigned); -extern struct file_operations def_blk_fops; +extern const struct file_operations def_blk_fops; extern struct address_space_operations def_blk_aops; -extern struct file_operations def_chr_fops; -extern struct file_operations bad_sock_fops; -extern struct file_operations def_fifo_fops; +extern const struct file_operations def_chr_fops; +extern const struct file_operations bad_sock_fops; +extern const struct file_operations def_fifo_fops; extern int ioctl_by_bdev(struct block_device *, unsigned, unsigned long); extern int blkdev_ioctl(struct inode *, struct file *, unsigned, unsigned long); extern long compat_blkdev_ioctl(struct file *, unsigned, unsigned long); @@ -1399,12 +1402,19 @@ extern int blkdev_get(struct block_device *, mode_t, unsigned); extern int blkdev_put(struct block_device *); extern int bd_claim(struct block_device *, void *); extern void bd_release(struct block_device *); +#ifdef CONFIG_SYSFS +extern int bd_claim_by_disk(struct block_device *, void *, struct gendisk *); +extern void bd_release_from_disk(struct block_device *, struct gendisk *); +#else +#define bd_claim_by_disk(bdev, holder, disk) bd_claim(bdev, holder) +#define bd_release_from_disk(bdev, disk) bd_release(bdev) +#endif /* fs/char_dev.c */ extern int alloc_chrdev_region(dev_t *, unsigned, unsigned, const char *); extern int register_chrdev_region(dev_t, unsigned, const char *); extern int register_chrdev(unsigned int, const char *, - struct file_operations *); + const struct file_operations *); extern int unregister_chrdev(unsigned int, const char *); extern void unregister_chrdev_region(dev_t, unsigned); extern int chrdev_open(struct inode *, struct file *); @@ -1434,9 +1444,9 @@ extern void init_special_inode(struct inode *, umode_t, dev_t); extern void make_bad_inode(struct inode *); extern int is_bad_inode(struct inode *); -extern struct file_operations read_fifo_fops; -extern struct file_operations write_fifo_fops; -extern struct file_operations rdwr_fifo_fops; +extern const struct file_operations read_fifo_fops; +extern const struct file_operations write_fifo_fops; +extern const struct file_operations rdwr_fifo_fops; extern int fs_may_remount_ro(struct super_block *); @@ -1558,7 +1568,6 @@ extern void destroy_inode(struct inode *); extern struct inode *new_inode(struct super_block *); extern int remove_suid(struct dentry *); extern void remove_dquot_ref(struct super_block *, int, struct list_head *); -extern struct mutex iprune_mutex; extern void __insert_inode_hash(struct inode *, unsigned long hashval); extern void remove_inode_hash(struct inode *); @@ -1643,7 +1652,7 @@ static inline void do_generic_file_read(struct file * filp, loff_t *ppos, ssize_t __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode, struct block_device *bdev, const struct iovec *iov, loff_t offset, - unsigned long nr_segs, get_blocks_t get_blocks, dio_iodone_t end_io, + unsigned long nr_segs, get_block_t get_block, dio_iodone_t end_io, int lock_type); enum { @@ -1654,32 +1663,32 @@ enum { static inline ssize_t blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode, struct block_device *bdev, const struct iovec *iov, - loff_t offset, unsigned long nr_segs, get_blocks_t get_blocks, + loff_t offset, unsigned long nr_segs, get_block_t get_block, dio_iodone_t end_io) { return __blockdev_direct_IO(rw, iocb, inode, bdev, iov, offset, - nr_segs, get_blocks, end_io, DIO_LOCKING); + nr_segs, get_block, end_io, DIO_LOCKING); } static inline ssize_t blockdev_direct_IO_no_locking(int rw, struct kiocb *iocb, struct inode *inode, struct block_device *bdev, const struct iovec *iov, - loff_t offset, unsigned long nr_segs, get_blocks_t get_blocks, + loff_t offset, unsigned long nr_segs, get_block_t get_block, dio_iodone_t end_io) { return __blockdev_direct_IO(rw, iocb, inode, bdev, iov, offset, - nr_segs, get_blocks, end_io, DIO_NO_LOCKING); + nr_segs, get_block, end_io, DIO_NO_LOCKING); } static inline ssize_t blockdev_direct_IO_own_locking(int rw, struct kiocb *iocb, struct inode *inode, struct block_device *bdev, const struct iovec *iov, - loff_t offset, unsigned long nr_segs, get_blocks_t get_blocks, + loff_t offset, unsigned long nr_segs, get_block_t get_block, dio_iodone_t end_io) { return __blockdev_direct_IO(rw, iocb, inode, bdev, iov, offset, - nr_segs, get_blocks, end_io, DIO_OWN_LOCKING); + nr_segs, get_block, end_io, DIO_OWN_LOCKING); } -extern struct file_operations generic_ro_fops; +extern const struct file_operations generic_ro_fops; #define special_file(m) (S_ISCHR(m)||S_ISBLK(m)||S_ISFIFO(m)||S_ISSOCK(m)) @@ -1735,9 +1744,9 @@ extern int simple_commit_write(struct file *file, struct page *page, extern struct dentry *simple_lookup(struct inode *, struct dentry *, struct nameidata *); extern ssize_t generic_read_dir(struct file *, char __user *, size_t, loff_t *); -extern struct file_operations simple_dir_operations; +extern const struct file_operations simple_dir_operations; extern struct inode_operations simple_dir_inode_operations; -struct tree_descr { char *name; struct file_operations *ops; int mode; }; +struct tree_descr { char *name; const struct file_operations *ops; int mode; }; struct dentry *d_alloc_name(struct dentry *, const char *); extern int simple_fill_super(struct super_block *, int, struct tree_descr *); extern int simple_pin_fs(char *name, struct vfsmount **mount, int *count); diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h index 03b8e7932b83..11438eff4d44 100644 --- a/include/linux/fsnotify.h +++ b/include/linux/fsnotify.h @@ -15,6 +15,26 @@ #include <linux/dnotify.h> #include <linux/inotify.h> +#include <linux/audit.h> + +/* + * fsnotify_d_instantiate - instantiate a dentry for inode + * Called with dcache_lock held. + */ +static inline void fsnotify_d_instantiate(struct dentry *entry, + struct inode *inode) +{ + inotify_d_instantiate(entry, inode); +} + +/* + * fsnotify_d_move - entry has been moved + * Called with dcache_lock and entry->d_lock held. + */ +static inline void fsnotify_d_move(struct dentry *entry) +{ + inotify_d_move(entry); +} /* * fsnotify_move - file old_name at old_dir was moved to new_name at new_dir @@ -45,6 +65,8 @@ static inline void fsnotify_move(struct inode *old_dir, struct inode *new_dir, if (source) { inotify_inode_queue_event(source, IN_MOVE_SELF, 0, NULL); } + audit_inode_child(old_name, source, old_dir->i_ino); + audit_inode_child(new_name, target, new_dir->i_ino); } /* @@ -70,19 +92,22 @@ static inline void fsnotify_inoderemove(struct inode *inode) /* * fsnotify_create - 'name' was linked in */ -static inline void fsnotify_create(struct inode *inode, const char *name) +static inline void fsnotify_create(struct inode *inode, struct dentry *dentry) { inode_dir_notify(inode, DN_CREATE); - inotify_inode_queue_event(inode, IN_CREATE, 0, name); + inotify_inode_queue_event(inode, IN_CREATE, 0, dentry->d_name.name); + audit_inode_child(dentry->d_name.name, dentry->d_inode, inode->i_ino); } /* * fsnotify_mkdir - directory 'name' was created */ -static inline void fsnotify_mkdir(struct inode *inode, const char *name) +static inline void fsnotify_mkdir(struct inode *inode, struct dentry *dentry) { inode_dir_notify(inode, DN_CREATE); - inotify_inode_queue_event(inode, IN_CREATE | IN_ISDIR, 0, name); + inotify_inode_queue_event(inode, IN_CREATE | IN_ISDIR, 0, + dentry->d_name.name); + audit_inode_child(dentry->d_name.name, dentry->d_inode, inode->i_ino); } /* diff --git a/include/linux/futex.h b/include/linux/futex.h index 10f96c31971e..966a5b3da439 100644 --- a/include/linux/futex.h +++ b/include/linux/futex.h @@ -1,6 +1,8 @@ #ifndef _LINUX_FUTEX_H #define _LINUX_FUTEX_H +#include <linux/sched.h> + /* Second argument to futex syscall */ @@ -11,10 +13,97 @@ #define FUTEX_CMP_REQUEUE 4 #define FUTEX_WAKE_OP 5 +/* + * Support for robust futexes: the kernel cleans up held futexes at + * thread exit time. + */ + +/* + * Per-lock list entry - embedded in user-space locks, somewhere close + * to the futex field. (Note: user-space uses a double-linked list to + * achieve O(1) list add and remove, but the kernel only needs to know + * about the forward link) + * + * NOTE: this structure is part of the syscall ABI, and must not be + * changed. + */ +struct robust_list { + struct robust_list __user *next; +}; + +/* + * Per-thread list head: + * + * NOTE: this structure is part of the syscall ABI, and must only be + * changed if the change is first communicated with the glibc folks. + * (When an incompatible change is done, we'll increase the structure + * size, which glibc will detect) + */ +struct robust_list_head { + /* + * The head of the list. Points back to itself if empty: + */ + struct robust_list list; + + /* + * This relative offset is set by user-space, it gives the kernel + * the relative position of the futex field to examine. This way + * we keep userspace flexible, to freely shape its data-structure, + * without hardcoding any particular offset into the kernel: + */ + long futex_offset; + + /* + * The death of the thread may race with userspace setting + * up a lock's links. So to handle this race, userspace first + * sets this field to the address of the to-be-taken lock, + * then does the lock acquire, and then adds itself to the + * list, and then clears this field. Hence the kernel will + * always have full knowledge of all locks that the thread + * _might_ have taken. We check the owner TID in any case, + * so only truly owned locks will be handled. + */ + struct robust_list __user *list_op_pending; +}; + +/* + * Are there any waiters for this robust futex: + */ +#define FUTEX_WAITERS 0x80000000 + +/* + * The kernel signals via this bit that a thread holding a futex + * has exited without unlocking the futex. The kernel also does + * a FUTEX_WAKE on such futexes, after setting the bit, to wake + * up any possible waiters: + */ +#define FUTEX_OWNER_DIED 0x40000000 + +/* + * The rest of the robust-futex field is for the TID: + */ +#define FUTEX_TID_MASK 0x3fffffff + +/* + * This limit protects against a deliberately circular list. + * (Not worth introducing an rlimit for it) + */ +#define ROBUST_LIST_LIMIT 2048 + long do_futex(unsigned long uaddr, int op, int val, unsigned long timeout, unsigned long uaddr2, int val2, int val3); +extern int handle_futex_death(u32 __user *uaddr, struct task_struct *curr); + +#ifdef CONFIG_FUTEX +extern void exit_robust_list(struct task_struct *curr); +#else +static inline void exit_robust_list(struct task_struct *curr) +{ +} +#endif + #define FUTEX_OP_SET 0 /* *(int *)UADDR2 = OPARG; */ #define FUTEX_OP_ADD 1 /* *(int *)UADDR2 += OPARG; */ #define FUTEX_OP_OR 2 /* *(int *)UADDR2 |= OPARG; */ diff --git a/include/linux/gameport.h b/include/linux/gameport.h index 2401dea2b867..9c8e6da2393b 100644 --- a/include/linux/gameport.h +++ b/include/linux/gameport.h @@ -119,7 +119,7 @@ static inline void gameport_set_name(struct gameport *gameport, const char *name } /* - * Use the following fucntions to manipulate gameport's per-port + * Use the following functions to manipulate gameport's per-port * driver-specific data. */ static inline void *gameport_get_drvdata(struct gameport *gameport) @@ -133,7 +133,7 @@ static inline void gameport_set_drvdata(struct gameport *gameport, void *data) } /* - * Use the following fucntions to pin gameport's driver in process context + * Use the following functions to pin gameport's driver in process context */ static inline int gameport_pin_driver(struct gameport *gameport) { diff --git a/include/linux/genhd.h b/include/linux/genhd.h index fd647fde5ec1..10a27f29d692 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -78,6 +78,7 @@ struct hd_struct { sector_t start_sect; sector_t nr_sects; struct kobject kobj; + struct kobject *holder_dir; unsigned ios[2], sectors[2]; /* READs and WRITEs */ int policy, partno; }; @@ -89,12 +90,12 @@ struct hd_struct { #define GENHD_FL_SUPPRESS_PARTITION_INFO 32 struct disk_stats { - unsigned sectors[2]; /* READs and WRITEs */ - unsigned ios[2]; - unsigned merges[2]; - unsigned ticks[2]; - unsigned io_ticks; - unsigned time_in_queue; + unsigned long sectors[2]; /* READs and WRITEs */ + unsigned long ios[2]; + unsigned long merges[2]; + unsigned long ticks[2]; + unsigned long io_ticks; + unsigned long time_in_queue; }; struct gendisk { @@ -114,6 +115,8 @@ struct gendisk { int number; /* more of the same */ struct device *driverfs_dev; struct kobject kobj; + struct kobject *holder_dir; + struct kobject *slave_dir; struct timer_rand_state *random; int policy; @@ -149,14 +152,14 @@ struct disk_attribute { ({ \ typeof(gendiskp->dkstats->field) res = 0; \ int i; \ - for_each_cpu(i) \ + for_each_possible_cpu(i) \ res += per_cpu_ptr(gendiskp->dkstats, i)->field; \ res; \ }) static inline void disk_stat_set_all(struct gendisk *gendiskp, int value) { int i; - for_each_cpu(i) + for_each_possible_cpu(i) memset(per_cpu_ptr(gendiskp->dkstats, i), value, sizeof (struct disk_stats)); } diff --git a/include/linux/gigaset_dev.h b/include/linux/gigaset_dev.h new file mode 100644 index 000000000000..70ad09c8ad1e --- /dev/null +++ b/include/linux/gigaset_dev.h @@ -0,0 +1,32 @@ +/* + * interface to user space for the gigaset driver + * + * Copyright (c) 2004 by Hansjoerg Lipp <hjlipp@web.de> + * + * ===================================================================== + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * ===================================================================== + * Version: $Id: gigaset_dev.h,v 1.4.4.4 2005/11/21 22:28:09 hjlipp Exp $ + * ===================================================================== + */ + +#ifndef GIGASET_INTERFACE_H +#define GIGASET_INTERFACE_H + +#include <linux/ioctl.h> + +#define GIGASET_IOCTL 0x47 + +#define GIGVER_DRIVER 0 +#define GIGVER_COMPAT 1 +#define GIGVER_FWBASE 2 + +#define GIGASET_REDIR _IOWR (GIGASET_IOCTL, 0, int) +#define GIGASET_CONFIG _IOWR (GIGASET_IOCTL, 1, int) +#define GIGASET_BRKCHARS _IOW (GIGASET_IOCTL, 2, unsigned char[6]) //FIXME [6] okay? +#define GIGASET_VERSION _IOWR (GIGASET_IOCTL, 3, unsigned[4]) + +#endif diff --git a/include/linux/highmem.h b/include/linux/highmem.h index 6bece9280eb7..892c4ea1b425 100644 --- a/include/linux/highmem.h +++ b/include/linux/highmem.h @@ -7,6 +7,18 @@ #include <asm/cacheflush.h> +#ifndef ARCH_HAS_FLUSH_ANON_PAGE +static inline void flush_anon_page(struct page *page, unsigned long vmaddr) +{ +} +#endif + +#ifndef ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE +static inline void flush_kernel_dcache_page(struct page *page) +{ +} +#endif + #ifdef CONFIG_HIGHMEM #include <asm/highmem.h> diff --git a/include/linux/hpet.h b/include/linux/hpet.h index 27238194b212..707f7cb9e795 100644 --- a/include/linux/hpet.h +++ b/include/linux/hpet.h @@ -3,6 +3,8 @@ #include <linux/compiler.h> +#ifdef __KERNEL__ + /* * Offsets into HPET Registers */ @@ -85,22 +87,6 @@ struct hpet { #define Tn_FSB_INT_ADDR_SHIFT (32UL) #define Tn_FSB_INT_VAL_MASK (0x00000000ffffffffULL) -struct hpet_info { - unsigned long hi_ireqfreq; /* Hz */ - unsigned long hi_flags; /* information */ - unsigned short hi_hpet; - unsigned short hi_timer; -}; - -#define HPET_INFO_PERIODIC 0x0001 /* timer is periodic */ - -#define HPET_IE_ON _IO('h', 0x01) /* interrupt on */ -#define HPET_IE_OFF _IO('h', 0x02) /* interrupt off */ -#define HPET_INFO _IOR('h', 0x03, struct hpet_info) -#define HPET_EPI _IO('h', 0x04) /* enable periodic */ -#define HPET_DPI _IO('h', 0x05) /* disable periodic */ -#define HPET_IRQFREQ _IOW('h', 0x6, unsigned long) /* IRQFREQ usec */ - /* * exported interfaces */ @@ -133,4 +119,22 @@ int hpet_register(struct hpet_task *, int); int hpet_unregister(struct hpet_task *); int hpet_control(struct hpet_task *, unsigned int, unsigned long); +#endif /* __KERNEL__ */ + +struct hpet_info { + unsigned long hi_ireqfreq; /* Hz */ + unsigned long hi_flags; /* information */ + unsigned short hi_hpet; + unsigned short hi_timer; +}; + +#define HPET_INFO_PERIODIC 0x0001 /* timer is periodic */ + +#define HPET_IE_ON _IO('h', 0x01) /* interrupt on */ +#define HPET_IE_OFF _IO('h', 0x02) /* interrupt off */ +#define HPET_INFO _IOR('h', 0x03, struct hpet_info) +#define HPET_EPI _IO('h', 0x04) /* enable periodic */ +#define HPET_DPI _IO('h', 0x05) /* disable periodic */ +#define HPET_IRQFREQ _IOW('h', 0x6, unsigned long) /* IRQFREQ usec */ + #endif /* !__HPET__ */ diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h index 6401c31d6add..93830158348e 100644 --- a/include/linux/hrtimer.h +++ b/include/linux/hrtimer.h @@ -34,15 +34,7 @@ enum hrtimer_restart { HRTIMER_RESTART, }; -/* - * Timer states: - */ -enum hrtimer_state { - HRTIMER_INACTIVE, /* Timer is inactive */ - HRTIMER_EXPIRED, /* Timer is expired */ - HRTIMER_RUNNING, /* Timer is running the callback function */ - HRTIMER_PENDING, /* Timer is pending */ -}; +#define HRTIMER_INACTIVE ((void *)1UL) struct hrtimer_base; @@ -53,9 +45,7 @@ struct hrtimer_base; * @expires: the absolute expiry time in the hrtimers internal * representation. The time is related to the clock on * which the timer is based. - * @state: state of the timer * @function: timer expiry callback function - * @data: argument for the callback function * @base: pointer to the timer base (per cpu and per clock) * * The hrtimer structure must be initialized by init_hrtimer_#CLOCKTYPE() @@ -63,23 +53,23 @@ struct hrtimer_base; struct hrtimer { struct rb_node node; ktime_t expires; - enum hrtimer_state state; - int (*function)(void *); - void *data; + int (*function)(struct hrtimer *); struct hrtimer_base *base; }; /** * struct hrtimer_base - the timer base for a specific clock * - * @index: clock type index for per_cpu support when moving a timer - * to a base on another cpu. - * @lock: lock protecting the base and associated timers - * @active: red black tree root node for the active timers - * @first: pointer to the timer node which expires first - * @resolution: the resolution of the clock, in nanoseconds - * @get_time: function to retrieve the current time of the clock - * @curr_timer: the timer which is executing a callback right now + * @index: clock type index for per_cpu support when moving a timer + * to a base on another cpu. + * @lock: lock protecting the base and associated timers + * @active: red black tree root node for the active timers + * @first: pointer to the timer node which expires first + * @resolution: the resolution of the clock, in nanoseconds + * @get_time: function to retrieve the current time of the clock + * @get_sofirq_time: function to retrieve the current time from the softirq + * @curr_timer: the timer which is executing a callback right now + * @softirq_time: the time when running the hrtimer queue in the softirq */ struct hrtimer_base { clockid_t index; @@ -88,7 +78,9 @@ struct hrtimer_base { struct rb_node *first; ktime_t resolution; ktime_t (*get_time)(void); + ktime_t (*get_softirq_time)(void); struct hrtimer *curr_timer; + ktime_t softirq_time; }; /* @@ -122,11 +114,12 @@ extern ktime_t hrtimer_get_next_event(void); static inline int hrtimer_active(const struct hrtimer *timer) { - return timer->state == HRTIMER_PENDING; + return timer->node.rb_parent != HRTIMER_INACTIVE; } /* Forward a hrtimer so it expires after now: */ -extern unsigned long hrtimer_forward(struct hrtimer *timer, ktime_t interval); +extern unsigned long +hrtimer_forward(struct hrtimer *timer, ktime_t now, ktime_t interval); /* Precise sleep: */ extern long hrtimer_nanosleep(struct timespec *rqtp, diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index d6f1019625af..4c5e610fe442 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -154,7 +154,7 @@ static inline struct hugetlbfs_sb_info *HUGETLBFS_SB(struct super_block *sb) return sb->s_fs_info; } -extern struct file_operations hugetlbfs_file_operations; +extern const struct file_operations hugetlbfs_file_operations; extern struct vm_operations_struct hugetlb_vm_ops; struct file *hugetlb_zero_setup(size_t); int hugetlb_extend_reservation(struct hugetlbfs_inode_info *info, diff --git a/include/linux/i2c-id.h b/include/linux/i2c-id.h index ec311bc89439..c8b81f419fd8 100644 --- a/include/linux/i2c-id.h +++ b/include/linux/i2c-id.h @@ -108,6 +108,10 @@ #define I2C_DRIVERID_UPD64083 78 /* upd64083 video processor */ #define I2C_DRIVERID_UPD64031A 79 /* upd64031a video processor */ #define I2C_DRIVERID_SAA717X 80 /* saa717x video encoder */ +#define I2C_DRIVERID_DS1672 81 /* Dallas/Maxim DS1672 RTC */ +#define I2C_DRIVERID_X1205 82 /* Xicor/Intersil X1205 RTC */ +#define I2C_DRIVERID_PCF8563 83 /* Philips PCF8563 RTC */ +#define I2C_DRIVERID_RS5C372 84 /* Ricoh RS5C372 RTC */ #define I2C_DRIVERID_I2CDEV 900 #define I2C_DRIVERID_ARP 902 /* SMBus ARP Client */ @@ -184,6 +188,7 @@ #define I2C_HW_B_SAVAGE 0x01001d /* savage framebuffer driver */ #define I2C_HW_B_RADEON 0x01001e /* radeon framebuffer driver */ #define I2C_HW_B_EM28XX 0x01001f /* em28xx video capture cards */ +#define I2C_HW_B_CX2341X 0x010020 /* Conexant CX2341X MPEG encoder cards */ /* --- PCF 8584 based algorithms */ #define I2C_HW_P_LP 0x020000 /* Parallel port interface */ diff --git a/include/linux/i2o.h b/include/linux/i2o.h index 5a9d8c599171..dd7d627bf66f 100644 --- a/include/linux/i2o.h +++ b/include/linux/i2o.h @@ -950,9 +950,7 @@ static inline int i2o_pool_alloc(struct i2o_pool *pool, const char *name, if (!pool->slab) goto free_name; - pool->mempool = - mempool_create(min_nr, mempool_alloc_slab, mempool_free_slab, - pool->slab); + pool->mempool = mempool_create_slab_pool(min_nr, pool->slab); if (!pool->mempool) goto free_slab; diff --git a/include/linux/init.h b/include/linux/init.h index ff8d8b8632f4..ed0ac7c39fdc 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -69,6 +69,10 @@ extern initcall_t __security_initcall_start[], __security_initcall_end[]; /* Defined in init/main.c */ extern char saved_command_line[]; + +/* used by init/main.c */ +extern void setup_arch(char **); + #endif #ifndef MODULE diff --git a/include/linux/init_task.h b/include/linux/init_task.h index 92146f3b7423..41ecbb847f32 100644 --- a/include/linux/init_task.h +++ b/include/linux/init_task.h @@ -62,6 +62,8 @@ .posix_timers = LIST_HEAD_INIT(sig.posix_timers), \ .cpu_timers = INIT_CPU_TIMERS(sig.cpu_timers), \ .rlim = INIT_RLIMITS, \ + .pgrp = 1, \ + .session = 1, \ } #define INIT_SIGHAND(sighand) { \ diff --git a/include/linux/inotify.h b/include/linux/inotify.h index 267c88b5f742..09e00433c78e 100644 --- a/include/linux/inotify.h +++ b/include/linux/inotify.h @@ -71,6 +71,8 @@ struct inotify_event { #ifdef CONFIG_INOTIFY +extern void inotify_d_instantiate(struct dentry *, struct inode *); +extern void inotify_d_move(struct dentry *); extern void inotify_inode_queue_event(struct inode *, __u32, __u32, const char *); extern void inotify_dentry_parent_queue_event(struct dentry *, __u32, __u32, @@ -81,6 +83,15 @@ extern u32 inotify_get_cookie(void); #else +static inline void inotify_d_instantiate(struct dentry *dentry, + struct inode *inode) +{ +} + +static inline void inotify_d_move(struct dentry *dentry) +{ +} + static inline void inotify_inode_queue_event(struct inode *inode, __u32 mask, __u32 cookie, const char *filename) diff --git a/include/linux/input.h b/include/linux/input.h index 6d4cc3c110d6..1d4e341b72e6 100644 --- a/include/linux/input.h +++ b/include/linux/input.h @@ -957,7 +957,7 @@ struct input_handler { struct input_handle* (*connect)(struct input_handler *handler, struct input_dev *dev, struct input_device_id *id); void (*disconnect)(struct input_handle *handle); - struct file_operations *fops; + const struct file_operations *fops; int minor; char *name; diff --git a/include/linux/ipmi.h b/include/linux/ipmi.h index d6276e60b3bf..0a84b56935c2 100644 --- a/include/linux/ipmi.h +++ b/include/linux/ipmi.h @@ -36,6 +36,7 @@ #include <linux/ipmi_msgdefs.h> #include <linux/compiler.h> +#include <linux/device.h> /* * This file describes an interface to an IPMI driver. You have to @@ -397,7 +398,7 @@ struct ipmi_smi_watcher the watcher list. So you can add and remove users from the IPMI interface, send messages, etc., but you cannot add or remove SMI watchers or SMI interfaces. */ - void (*new_smi)(int if_num); + void (*new_smi)(int if_num, struct device *dev); void (*smi_gone)(int if_num); }; diff --git a/include/linux/ipmi_msgdefs.h b/include/linux/ipmi_msgdefs.h index 03bc64dc2ec1..22f5e2afda4f 100644 --- a/include/linux/ipmi_msgdefs.h +++ b/include/linux/ipmi_msgdefs.h @@ -47,6 +47,7 @@ #define IPMI_NETFN_APP_RESPONSE 0x07 #define IPMI_GET_DEVICE_ID_CMD 0x01 #define IPMI_CLEAR_MSG_FLAGS_CMD 0x30 +#define IPMI_GET_DEVICE_GUID_CMD 0x08 #define IPMI_GET_MSG_FLAGS_CMD 0x31 #define IPMI_SEND_MSG_CMD 0x34 #define IPMI_GET_MSG_CMD 0x33 diff --git a/include/linux/ipmi_smi.h b/include/linux/ipmi_smi.h index e36ee157ad67..53571288a9fc 100644 --- a/include/linux/ipmi_smi.h +++ b/include/linux/ipmi_smi.h @@ -37,6 +37,9 @@ #include <linux/ipmi_msgdefs.h> #include <linux/proc_fs.h> #include <linux/module.h> +#include <linux/device.h> +#include <linux/platform_device.h> +#include <linux/ipmi_smi.h> /* This files describes the interface for IPMI system management interface drivers to bind into the IPMI message handler. */ @@ -113,12 +116,52 @@ struct ipmi_smi_handlers void (*dec_usecount)(void *send_info); }; +struct ipmi_device_id { + unsigned char device_id; + unsigned char device_revision; + unsigned char firmware_revision_1; + unsigned char firmware_revision_2; + unsigned char ipmi_version; + unsigned char additional_device_support; + unsigned int manufacturer_id; + unsigned int product_id; + unsigned char aux_firmware_revision[4]; + unsigned int aux_firmware_revision_set : 1; +}; + +#define ipmi_version_major(v) ((v)->ipmi_version & 0xf) +#define ipmi_version_minor(v) ((v)->ipmi_version >> 4) + +/* Take a pointer to a raw data buffer and a length and extract device + id information from it. The first byte of data must point to the + byte from the get device id response after the completion code. + The caller is responsible for making sure the length is at least + 11 and the command completed without error. */ +static inline void ipmi_demangle_device_id(unsigned char *data, + unsigned int data_len, + struct ipmi_device_id *id) +{ + id->device_id = data[0]; + id->device_revision = data[1]; + id->firmware_revision_1 = data[2]; + id->firmware_revision_2 = data[3]; + id->ipmi_version = data[4]; + id->additional_device_support = data[5]; + id->manufacturer_id = data[6] | (data[7] << 8) | (data[8] << 16); + id->product_id = data[9] | (data[10] << 8); + if (data_len >= 15) { + memcpy(id->aux_firmware_revision, data+11, 4); + id->aux_firmware_revision_set = 1; + } else + id->aux_firmware_revision_set = 0; +} + /* Add a low-level interface to the IPMI driver. Note that if the interface doesn't know its slave address, it should pass in zero. */ int ipmi_register_smi(struct ipmi_smi_handlers *handlers, void *send_info, - unsigned char version_major, - unsigned char version_minor, + struct ipmi_device_id *device_id, + struct device *dev, unsigned char slave_addr, ipmi_smi_t *intf); diff --git a/include/linux/irq.h b/include/linux/irq.h index 6c5d4c898ccb..ee2a82a572f7 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -114,53 +114,8 @@ static inline void set_native_irq_info(int irq, cpumask_t mask) #if defined (CONFIG_GENERIC_PENDING_IRQ) || defined (CONFIG_IRQBALANCE) extern cpumask_t pending_irq_cpumask[NR_IRQS]; -static inline void set_pending_irq(unsigned int irq, cpumask_t mask) -{ - irq_desc_t *desc = irq_desc + irq; - unsigned long flags; - - spin_lock_irqsave(&desc->lock, flags); - desc->move_irq = 1; - pending_irq_cpumask[irq] = mask; - spin_unlock_irqrestore(&desc->lock, flags); -} - -static inline void -move_native_irq(int irq) -{ - cpumask_t tmp; - irq_desc_t *desc = irq_descp(irq); - - if (likely (!desc->move_irq)) - return; - - desc->move_irq = 0; - - if (likely(cpus_empty(pending_irq_cpumask[irq]))) - return; - - if (!desc->handler->set_affinity) - return; - - /* note - we hold the desc->lock */ - cpus_and(tmp, pending_irq_cpumask[irq], cpu_online_map); - - /* - * If there was a valid mask to work with, please - * do the disable, re-program, enable sequence. - * This is *not* particularly important for level triggered - * but in a edge trigger case, we might be setting rte - * when an active trigger is comming in. This could - * cause some ioapics to mal-function. - * Being paranoid i guess! - */ - if (unlikely(!cpus_empty(tmp))) { - desc->handler->disable(irq); - desc->handler->set_affinity(irq,tmp); - desc->handler->enable(irq); - } - cpus_clear(pending_irq_cpumask[irq]); -} +void set_pending_irq(unsigned int irq, cpumask_t mask); +void move_native_irq(int irq); #ifdef CONFIG_PCI_MSI /* diff --git a/include/linux/jbd.h b/include/linux/jbd.h index 2ccbfb6340ba..6a425e370cb3 100644 --- a/include/linux/jbd.h +++ b/include/linux/jbd.h @@ -29,6 +29,8 @@ #include <linux/stddef.h> #include <linux/bit_spinlock.h> #include <linux/mutex.h> +#include <linux/timer.h> + #include <asm/semaphore.h> #endif @@ -787,7 +789,7 @@ struct journal_s unsigned long j_commit_interval; /* The timer used to wakeup the commit thread: */ - struct timer_list *j_commit_timer; + struct timer_list j_commit_timer; /* * The revoke table: maintains the list of revoked blocks in the @@ -893,7 +895,7 @@ extern int journal_dirty_metadata (handle_t *, struct buffer_head *); extern void journal_release_buffer (handle_t *, struct buffer_head *); extern int journal_forget (handle_t *, struct buffer_head *); extern void journal_sync_buffer (struct buffer_head *); -extern int journal_invalidatepage(journal_t *, +extern void journal_invalidatepage(journal_t *, struct page *, unsigned long); extern int journal_try_to_free_buffers(journal_t *, struct page *, gfp_t); extern int journal_stop(handle_t *); diff --git a/include/linux/kernel.h b/include/linux/kernel.h index bb6e7ddee2fd..a3720f973ea5 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -87,7 +87,7 @@ extern int cond_resched(void); (__x < 0) ? -__x : __x; \ }) -extern struct notifier_block *panic_notifier_list; +extern struct atomic_notifier_head panic_notifier_list; extern long (*panic_blink)(long time); NORET_TYPE void panic(const char * fmt, ...) __attribute__ ((NORET_AND format (printf, 1, 2))); @@ -154,9 +154,10 @@ static inline int __attribute_pure__ long_log2(unsigned long x) return r; } -static inline unsigned long __attribute_const__ roundup_pow_of_two(unsigned long x) +static inline unsigned long +__attribute_const__ roundup_pow_of_two(unsigned long x) { - return (1UL << fls(x - 1)); + return 1UL << fls_long(x - 1); } extern int printk_ratelimit(void); diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h index a484572c302e..b46249082cca 100644 --- a/include/linux/kernel_stat.h +++ b/include/linux/kernel_stat.h @@ -46,7 +46,7 @@ static inline int kstat_irqs(int irq) { int cpu, sum = 0; - for_each_cpu(cpu) + for_each_possible_cpu(cpu) sum += kstat_cpu(cpu).irqs[irq]; return sum; diff --git a/include/linux/ktime.h b/include/linux/ktime.h index f3dec45ef874..62bc57580707 100644 --- a/include/linux/ktime.h +++ b/include/linux/ktime.h @@ -64,9 +64,6 @@ typedef union { #if (BITS_PER_LONG == 64) || defined(CONFIG_KTIME_SCALAR) -/* Define a ktime_t variable and initialize it to zero: */ -#define DEFINE_KTIME(kt) ktime_t kt = { .tv64 = 0 } - /** * ktime_set - Set a ktime_t variable from a seconds/nanoseconds value * @@ -113,9 +110,6 @@ static inline ktime_t timeval_to_ktime(struct timeval tv) /* Map the ktime_t to timeval conversion to ns_to_timeval function */ #define ktime_to_timeval(kt) ns_to_timeval((kt).tv64) -/* Map the ktime_t to clock_t conversion to the inline in jiffies.h: */ -#define ktime_to_clock_t(kt) nsec_to_clock_t((kt).tv64) - /* Convert ktime_t to nanoseconds - NOP in the scalar storage format: */ #define ktime_to_ns(kt) ((kt).tv64) @@ -136,9 +130,6 @@ static inline ktime_t timeval_to_ktime(struct timeval tv) * tv.sec < 0 and 0 >= tv.nsec < NSEC_PER_SEC */ -/* Define a ktime_t variable and initialize it to zero: */ -#define DEFINE_KTIME(kt) ktime_t kt = { .tv64 = 0 } - /* Set a ktime_t variable to a value in sec/nsec representation: */ static inline ktime_t ktime_set(const long secs, const unsigned long nsecs) { @@ -255,17 +246,6 @@ static inline struct timeval ktime_to_timeval(const ktime_t kt) } /** - * ktime_to_clock_t - convert a ktime_t variable to clock_t format - * @kt: the ktime_t variable to convert - * - * Returns a clock_t variable with the converted value - */ -static inline clock_t ktime_to_clock_t(const ktime_t kt) -{ - return nsec_to_clock_t( (u64) kt.tv.sec * NSEC_PER_SEC + kt.tv.nsec); -} - -/** * ktime_to_ns - convert a ktime_t variable to scalar nanoseconds * @kt: the ktime_t variable to convert * diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h index ef21ed296039..995f89dc8c04 100644 --- a/include/linux/lockd/lockd.h +++ b/include/linux/lockd/lockd.h @@ -14,6 +14,7 @@ #include <linux/config.h> #include <linux/in.h> #include <linux/fs.h> +#include <linux/kref.h> #include <linux/utsname.h> #include <linux/nfsd/nfsfh.h> #include <linux/lockd/bind.h> @@ -58,6 +59,8 @@ struct nlm_host { unsigned long h_expires; /* eligible for GC */ struct list_head h_lockowners; /* Lockowners for the client */ spinlock_t h_lock; + struct list_head h_granted; /* Locks in GRANTED state */ + struct list_head h_reclaim; /* Locks in RECLAIM state */ }; /* @@ -83,9 +86,9 @@ struct nlm_rqst { struct nlm_host * a_host; /* host handle */ struct nlm_args a_args; /* arguments */ struct nlm_res a_res; /* result */ - struct nlm_wait * a_block; + struct nlm_block * a_block; unsigned int a_retries; /* Retry count */ - char a_owner[NLMCLNT_OHSIZE]; + u8 a_owner[NLMCLNT_OHSIZE]; }; /* @@ -110,16 +113,16 @@ struct nlm_file { */ #define NLM_NEVER (~(unsigned long) 0) struct nlm_block { + struct kref b_count; /* Reference count */ struct nlm_block * b_next; /* linked list (all blocks) */ struct nlm_block * b_fnext; /* linked list (per file) */ - struct nlm_rqst b_call; /* RPC args & callback info */ + struct nlm_rqst * b_call; /* RPC args & callback info */ struct svc_serv * b_daemon; /* NLM service */ struct nlm_host * b_host; /* host handle for RPC clnt */ unsigned long b_when; /* next re-xmit */ unsigned int b_id; /* block id */ unsigned char b_queued; /* re-queued */ unsigned char b_granted; /* VFS granted lock */ - unsigned char b_incall; /* doing callback */ unsigned char b_done; /* callback complete */ struct nlm_file * b_file; /* file in question */ }; @@ -145,15 +148,16 @@ extern unsigned long nlmsvc_timeout; /* * Lockd client functions */ -struct nlm_rqst * nlmclnt_alloc_call(void); -int nlmclnt_prepare_block(struct nlm_rqst *req, struct nlm_host *host, struct file_lock *fl); -void nlmclnt_finish_block(struct nlm_rqst *req); -long nlmclnt_block(struct nlm_rqst *req, long timeout); +struct nlm_rqst * nlm_alloc_call(struct nlm_host *host); +void nlm_release_call(struct nlm_rqst *); +int nlm_async_call(struct nlm_rqst *, u32, const struct rpc_call_ops *); +int nlm_async_reply(struct nlm_rqst *, u32, const struct rpc_call_ops *); +struct nlm_wait * nlmclnt_prepare_block(struct nlm_host *host, struct file_lock *fl); +void nlmclnt_finish_block(struct nlm_wait *block); +int nlmclnt_block(struct nlm_wait *block, struct nlm_rqst *req, long timeout); u32 nlmclnt_grant(const struct sockaddr_in *addr, const struct nlm_lock *); void nlmclnt_recovery(struct nlm_host *, u32); int nlmclnt_reclaim(struct nlm_host *, struct file_lock *); -int nlmclnt_setgrantargs(struct nlm_rqst *, struct nlm_lock *); -void nlmclnt_freegrantargs(struct nlm_rqst *); /* * Host cache @@ -172,7 +176,6 @@ extern struct nlm_host *nlm_find_client(void); /* * Server-side lock handling */ -int nlmsvc_async_call(struct nlm_rqst *, u32, const struct rpc_call_ops *); u32 nlmsvc_lock(struct svc_rqst *, struct nlm_file *, struct nlm_lock *, int, struct nlm_cookie *); u32 nlmsvc_unlock(struct nlm_file *, struct nlm_lock *); @@ -180,7 +183,7 @@ u32 nlmsvc_testlock(struct nlm_file *, struct nlm_lock *, struct nlm_lock *); u32 nlmsvc_cancel_blocked(struct nlm_file *, struct nlm_lock *); unsigned long nlmsvc_retry_blocked(void); -int nlmsvc_traverse_blocks(struct nlm_host *, struct nlm_file *, +void nlmsvc_traverse_blocks(struct nlm_host *, struct nlm_file *, int action); void nlmsvc_grant_reply(struct svc_rqst *, struct nlm_cookie *, u32); diff --git a/include/linux/lockd/share.h b/include/linux/lockd/share.h index 5d8aa325f140..c75a424ebe4c 100644 --- a/include/linux/lockd/share.h +++ b/include/linux/lockd/share.h @@ -25,6 +25,6 @@ u32 nlmsvc_share_file(struct nlm_host *, struct nlm_file *, struct nlm_args *); u32 nlmsvc_unshare_file(struct nlm_host *, struct nlm_file *, struct nlm_args *); -int nlmsvc_traverse_shares(struct nlm_host *, struct nlm_file *, int); +void nlmsvc_traverse_shares(struct nlm_host *, struct nlm_file *, int); #endif /* LINUX_LOCKD_SHARE_H */ diff --git a/include/linux/lockd/xdr.h b/include/linux/lockd/xdr.h index d7a5cc4cfa97..bb0a0f1caa91 100644 --- a/include/linux/lockd/xdr.h +++ b/include/linux/lockd/xdr.h @@ -28,6 +28,7 @@ struct nlm_lock { int len; /* length of "caller" */ struct nfs_fh fh; struct xdr_netobj oh; + u32 svid; struct file_lock fl; }; diff --git a/include/linux/m48t86.h b/include/linux/m48t86.h new file mode 100644 index 000000000000..9065199319d0 --- /dev/null +++ b/include/linux/m48t86.h @@ -0,0 +1,16 @@ +/* + * ST M48T86 / Dallas DS12887 RTC driver + * Copyright (c) 2006 Tower Technologies + * + * Author: Alessandro Zummo <a.zummo@towertech.it> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +struct m48t86_ops +{ + void (*writeb)(unsigned char value, unsigned long addr); + unsigned char (*readb)(unsigned long addr); +}; diff --git a/include/linux/major.h b/include/linux/major.h index e36a46702d94..0a74c52924c9 100644 --- a/include/linux/major.h +++ b/include/linux/major.h @@ -113,6 +113,7 @@ #define UBD_MAJOR 98 +#define PP_MAJOR 99 #define JSFD_MAJOR 99 #define PHONE_MAJOR 100 diff --git a/include/linux/memory.h b/include/linux/memory.h index e251dc43d0f5..8f04143ca363 100644 --- a/include/linux/memory.h +++ b/include/linux/memory.h @@ -77,7 +77,6 @@ extern int remove_memory_block(unsigned long, struct mem_section *, int); #define CONFIG_MEM_BLOCK_SIZE (PAGES_PER_SECTION<<PAGE_SHIFT) -struct notifier_block; #endif /* CONFIG_MEMORY_HOTPLUG */ diff --git a/include/linux/mempool.h b/include/linux/mempool.h index f2427d7394b0..9be484d11283 100644 --- a/include/linux/mempool.h +++ b/include/linux/mempool.h @@ -6,6 +6,8 @@ #include <linux/wait.h> +struct kmem_cache; + typedef void * (mempool_alloc_t)(gfp_t gfp_mask, void *pool_data); typedef void (mempool_free_t)(void *element, void *pool_data); @@ -37,5 +39,41 @@ extern void mempool_free(void *element, mempool_t *pool); */ void *mempool_alloc_slab(gfp_t gfp_mask, void *pool_data); void mempool_free_slab(void *element, void *pool_data); +static inline mempool_t * +mempool_create_slab_pool(int min_nr, struct kmem_cache *kc) +{ + return mempool_create(min_nr, mempool_alloc_slab, mempool_free_slab, + (void *) kc); +} + +/* + * 2 mempool_alloc_t's and a mempool_free_t to kmalloc/kzalloc and kfree + * the amount of memory specified by pool_data + */ +void *mempool_kmalloc(gfp_t gfp_mask, void *pool_data); +void *mempool_kzalloc(gfp_t gfp_mask, void *pool_data); +void mempool_kfree(void *element, void *pool_data); +static inline mempool_t *mempool_create_kmalloc_pool(int min_nr, size_t size) +{ + return mempool_create(min_nr, mempool_kmalloc, mempool_kfree, + (void *) size); +} +static inline mempool_t *mempool_create_kzalloc_pool(int min_nr, size_t size) +{ + return mempool_create(min_nr, mempool_kzalloc, mempool_kfree, + (void *) size); +} + +/* + * A mempool_alloc_t and mempool_free_t for a simple page allocator that + * allocates pages of the order specified by pool_data + */ +void *mempool_alloc_pages(gfp_t gfp_mask, void *pool_data); +void mempool_free_pages(void *element, void *pool_data); +static inline mempool_t *mempool_create_page_pool(int min_nr, int order) +{ + return mempool_create(min_nr, mempool_alloc_pages, mempool_free_pages, + (void *)(long)order); +} #endif /* _LINUX_MEMPOOL_H */ diff --git a/include/linux/miscdevice.h b/include/linux/miscdevice.h index 14ceebfc1efa..5b584dafb5a6 100644 --- a/include/linux/miscdevice.h +++ b/include/linux/miscdevice.h @@ -36,7 +36,7 @@ struct class_device; struct miscdevice { int minor; const char *name; - struct file_operations *fops; + const struct file_operations *fops; struct list_head list; struct device *dev; struct class_device *class; diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index ebfc238cc243..b5c21122c299 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -13,6 +13,7 @@ #include <linux/numa.h> #include <linux/init.h> #include <linux/seqlock.h> +#include <linux/nodemask.h> #include <asm/atomic.h> /* Free memory management - zoned buddy allocator. */ @@ -225,7 +226,6 @@ struct zone { * Discontig memory support fields. */ struct pglist_data *zone_pgdat; - struct page *zone_mem_map; /* zone_start_pfn == zone_start_paddr >> PAGE_SHIFT */ unsigned long zone_start_pfn; @@ -307,7 +307,6 @@ typedef struct pglist_data { unsigned long node_spanned_pages; /* total size of physical page range, including holes */ int node_id; - struct pglist_data *pgdat_next; wait_queue_head_t kswapd_wait; struct task_struct *kswapd; int kswapd_max_order; @@ -324,8 +323,6 @@ typedef struct pglist_data { #include <linux/memory_hotplug.h> -extern struct pglist_data *pgdat_list; - void __get_zone_counts(unsigned long *active, unsigned long *inactive, unsigned long *free, struct pglist_data *pgdat); void get_zone_counts(unsigned long *active, unsigned long *inactive, @@ -350,57 +347,6 @@ unsigned long __init node_memmap_size_bytes(int, unsigned long, unsigned long); */ #define zone_idx(zone) ((zone) - (zone)->zone_pgdat->node_zones) -/** - * for_each_pgdat - helper macro to iterate over all nodes - * @pgdat - pointer to a pg_data_t variable - * - * Meant to help with common loops of the form - * pgdat = pgdat_list; - * while(pgdat) { - * ... - * pgdat = pgdat->pgdat_next; - * } - */ -#define for_each_pgdat(pgdat) \ - for (pgdat = pgdat_list; pgdat; pgdat = pgdat->pgdat_next) - -/* - * next_zone - helper magic for for_each_zone() - * Thanks to William Lee Irwin III for this piece of ingenuity. - */ -static inline struct zone *next_zone(struct zone *zone) -{ - pg_data_t *pgdat = zone->zone_pgdat; - - if (zone < pgdat->node_zones + MAX_NR_ZONES - 1) - zone++; - else if (pgdat->pgdat_next) { - pgdat = pgdat->pgdat_next; - zone = pgdat->node_zones; - } else - zone = NULL; - - return zone; -} - -/** - * for_each_zone - helper macro to iterate over all memory zones - * @zone - pointer to struct zone variable - * - * The user only needs to declare the zone variable, for_each_zone - * fills it in. This basically means for_each_zone() is an - * easier to read version of this piece of code: - * - * for (pgdat = pgdat_list; pgdat; pgdat = pgdat->node_next) - * for (i = 0; i < MAX_NR_ZONES; ++i) { - * struct zone * z = pgdat->node_zones + i; - * ... - * } - * } - */ -#define for_each_zone(zone) \ - for (zone = pgdat_list->node_zones; zone; zone = next_zone(zone)) - static inline int populated_zone(struct zone *zone) { return (!!zone->present_pages); @@ -472,6 +418,30 @@ extern struct pglist_data contig_page_data; #endif /* !CONFIG_NEED_MULTIPLE_NODES */ +extern struct pglist_data *first_online_pgdat(void); +extern struct pglist_data *next_online_pgdat(struct pglist_data *pgdat); +extern struct zone *next_zone(struct zone *zone); + +/** + * for_each_pgdat - helper macro to iterate over all nodes + * @pgdat - pointer to a pg_data_t variable + */ +#define for_each_online_pgdat(pgdat) \ + for (pgdat = first_online_pgdat(); \ + pgdat; \ + pgdat = next_online_pgdat(pgdat)) +/** + * for_each_zone - helper macro to iterate over all memory zones + * @zone - pointer to struct zone variable + * + * The user only needs to declare the zone variable, for_each_zone + * fills it in. + */ +#define for_each_zone(zone) \ + for (zone = (first_online_pgdat())->node_zones; \ + zone; \ + zone = next_zone(zone)) + #ifdef CONFIG_SPARSEMEM #include <asm/sparsemem.h> #endif @@ -602,17 +572,6 @@ static inline struct mem_section *__pfn_to_section(unsigned long pfn) return __nr_to_section(pfn_to_section_nr(pfn)); } -#define pfn_to_page(pfn) \ -({ \ - unsigned long __pfn = (pfn); \ - __section_mem_map_addr(__pfn_to_section(__pfn)) + __pfn; \ -}) -#define page_to_pfn(page) \ -({ \ - page - __section_mem_map_addr(__nr_to_section( \ - page_to_section(page))); \ -}) - static inline int pfn_valid(unsigned long pfn) { if (pfn_to_section_nr(pfn) >= NR_MEM_SECTIONS) diff --git a/include/linux/module.h b/include/linux/module.h index 70bd843c71cb..eaec13ddd667 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -183,6 +183,7 @@ void *__symbol_get_gpl(const char *symbol); /* For every exported symbol, place a struct in the __ksymtab section */ #define __EXPORT_SYMBOL(sym, sec) \ + extern typeof(sym) sym; \ __CRC_SYMBOL(sym, sec) \ static const char __kstrtab_##sym[] \ __attribute__((section("__ksymtab_strings"))) \ @@ -554,25 +555,6 @@ static inline void module_remove_driver(struct device_driver *driver) /* BELOW HERE ALL THESE ARE OBSOLETE AND WILL VANISH */ -struct obsolete_modparm { - char name[64]; - char type[64-sizeof(void *)]; - void *addr; -}; - -static inline void MODULE_PARM_(void) { } -#ifdef MODULE -/* DEPRECATED: Do not use. */ -#define MODULE_PARM(var,type) \ -extern struct obsolete_modparm __parm_##var \ -__attribute__((section("__obsparm"))); \ -struct obsolete_modparm __parm_##var = \ -{ __stringify(var), type, &MODULE_PARM_ }; \ -__MODULE_PARM_TYPE(var, type); -#else -#define MODULE_PARM(var,type) static void __attribute__((__unused__)) *__parm_##var = &MODULE_PARM_; -#endif - #define __MODULE_STRING(x) __stringify(x) /* Use symbol_get and symbol_put instead. You'll thank me. */ diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h index b5c98c43779e..7c0c2c198f1f 100644 --- a/include/linux/moduleparam.h +++ b/include/linux/moduleparam.h @@ -162,13 +162,6 @@ extern int param_array_get(char *buffer, struct kernel_param *kp); extern int param_set_copystring(const char *val, struct kernel_param *kp); extern int param_get_string(char *buffer, struct kernel_param *kp); -int param_array(const char *name, - const char *val, - unsigned int min, unsigned int max, - void *elem, int elemsize, - int (*set)(const char *, struct kernel_param *kp), - int *num); - /* for exporting parameters in /sys/parameters */ struct module; diff --git a/include/linux/msdos_fs.h b/include/linux/msdos_fs.h index 779e6a5744c7..d9035c73e5d1 100644 --- a/include/linux/msdos_fs.h +++ b/include/linux/msdos_fs.h @@ -334,7 +334,7 @@ extern int fat_bmap(struct inode *inode, sector_t sector, sector_t *phys, unsigned long *mapped_blocks); /* fat/dir.c */ -extern struct file_operations fat_dir_operations; +extern const struct file_operations fat_dir_operations; extern int fat_search_long(struct inode *inode, const unsigned char *name, int name_len, struct fat_slot_info *sinfo); extern int fat_dir_empty(struct inode *dir); @@ -397,7 +397,7 @@ extern int fat_count_free_clusters(struct super_block *sb); /* fat/file.c */ extern int fat_generic_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern struct file_operations fat_file_operations; +extern const struct file_operations fat_file_operations; extern struct inode_operations fat_file_inode_operations; extern int fat_notify_change(struct dentry * dentry, struct iattr * attr); extern void fat_truncate(struct inode *inode); @@ -420,6 +420,9 @@ extern int date_dos2unix(unsigned short time, unsigned short date); extern void fat_date_unix2dos(int unix_date, __le16 *time, __le16 *date); extern int fat_sync_bhs(struct buffer_head **bhs, int nr_bhs); +int fat_cache_init(void); +void fat_cache_destroy(void); + #endif /* __KERNEL__ */ #endif diff --git a/include/linux/ncp_fs.h b/include/linux/ncp_fs.h index e01342568530..96dc237b8f03 100644 --- a/include/linux/ncp_fs.h +++ b/include/linux/ncp_fs.h @@ -209,7 +209,7 @@ void ncp_update_inode2(struct inode *, struct ncp_entry_info *); /* linux/fs/ncpfs/dir.c */ extern struct inode_operations ncp_dir_inode_operations; -extern struct file_operations ncp_dir_operations; +extern const struct file_operations ncp_dir_operations; int ncp_conn_logged_in(struct super_block *); int ncp_date_dos2unix(__le16 time, __le16 date); void ncp_date_unix2dos(int unix_date, __le16 * time, __le16 * date); @@ -230,7 +230,7 @@ void ncp_unlock_server(struct ncp_server *server); /* linux/fs/ncpfs/file.c */ extern struct inode_operations ncp_file_inode_operations; -extern struct file_operations ncp_file_operations; +extern const struct file_operations ncp_file_operations; int ncp_make_open(struct inode *, int); /* linux/fs/ncpfs/mmap.c */ diff --git a/include/linux/netfilter_ipv4/ip_conntrack.h b/include/linux/netfilter_ipv4/ip_conntrack.h index f32d75c4f4cf..d54d7b278e96 100644 --- a/include/linux/netfilter_ipv4/ip_conntrack.h +++ b/include/linux/netfilter_ipv4/ip_conntrack.h @@ -308,29 +308,30 @@ DECLARE_PER_CPU(struct ip_conntrack_ecache, ip_conntrack_ecache); #define CONNTRACK_ECACHE(x) (__get_cpu_var(ip_conntrack_ecache).x) -extern struct notifier_block *ip_conntrack_chain; -extern struct notifier_block *ip_conntrack_expect_chain; +extern struct atomic_notifier_head ip_conntrack_chain; +extern struct atomic_notifier_head ip_conntrack_expect_chain; static inline int ip_conntrack_register_notifier(struct notifier_block *nb) { - return notifier_chain_register(&ip_conntrack_chain, nb); + return atomic_notifier_chain_register(&ip_conntrack_chain, nb); } static inline int ip_conntrack_unregister_notifier(struct notifier_block *nb) { - return notifier_chain_unregister(&ip_conntrack_chain, nb); + return atomic_notifier_chain_unregister(&ip_conntrack_chain, nb); } static inline int ip_conntrack_expect_register_notifier(struct notifier_block *nb) { - return notifier_chain_register(&ip_conntrack_expect_chain, nb); + return atomic_notifier_chain_register(&ip_conntrack_expect_chain, nb); } static inline int ip_conntrack_expect_unregister_notifier(struct notifier_block *nb) { - return notifier_chain_unregister(&ip_conntrack_expect_chain, nb); + return atomic_notifier_chain_unregister(&ip_conntrack_expect_chain, + nb); } extern void ip_ct_deliver_cached_events(const struct ip_conntrack *ct); @@ -355,14 +356,14 @@ static inline void ip_conntrack_event(enum ip_conntrack_events event, struct ip_conntrack *ct) { if (is_confirmed(ct) && !is_dying(ct)) - notifier_call_chain(&ip_conntrack_chain, event, ct); + atomic_notifier_call_chain(&ip_conntrack_chain, event, ct); } static inline void ip_conntrack_expect_event(enum ip_conntrack_expect_events event, struct ip_conntrack_expect *exp) { - notifier_call_chain(&ip_conntrack_expect_chain, event, exp); + atomic_notifier_call_chain(&ip_conntrack_expect_chain, event, exp); } #else /* CONFIG_IP_NF_CONNTRACK_EVENTS */ static inline void ip_conntrack_event_cache(enum ip_conntrack_events event, diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index b4dc6e2e10c9..c71227dd4389 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -56,9 +56,7 @@ * When flushing a cluster of dirty pages, there can be different * strategies: */ -#define FLUSH_AGING 0 /* only flush old buffers */ #define FLUSH_SYNC 1 /* file being synced, or contention */ -#define FLUSH_WAIT 2 /* wait for completion */ #define FLUSH_STABLE 4 /* commit to stable storage */ #define FLUSH_LOWPRI 8 /* low priority background flush */ #define FLUSH_HIGHPRI 16 /* high priority memory reclaim flush */ @@ -78,6 +76,7 @@ struct nfs_access_entry { struct nfs4_state; struct nfs_open_context { atomic_t count; + struct vfsmount *vfsmnt; struct dentry *dentry; struct rpc_cred *cred; struct nfs4_state *state; @@ -118,8 +117,7 @@ struct nfs_inode { unsigned long cache_validity; /* bit mask */ /* - * read_cache_jiffies is when we started read-caching this inode, - * and read_cache_mtime is the mtime of the inode at that time. + * read_cache_jiffies is when we started read-caching this inode. * attrtimeo is for how long the cached information is assumed * to be valid. A successful attribute revalidation doubles * attrtimeo (up to acregmax/acdirmax), a failure resets it to @@ -128,11 +126,6 @@ struct nfs_inode { * We need to revalidate the cached attrs for this inode if * * jiffies - read_cache_jiffies > attrtimeo - * - * and invalidate any cached data/flush out any dirty pages if - * we find that - * - * mtime != read_cache_mtime */ unsigned long read_cache_jiffies; unsigned long attrtimeo; @@ -311,12 +304,9 @@ extern void nfs_begin_attr_update(struct inode *); extern void nfs_end_attr_update(struct inode *); extern void nfs_begin_data_update(struct inode *); extern void nfs_end_data_update(struct inode *); -extern struct nfs_open_context *alloc_nfs_open_context(struct dentry *dentry, struct rpc_cred *cred); extern struct nfs_open_context *get_nfs_open_context(struct nfs_open_context *ctx); extern void put_nfs_open_context(struct nfs_open_context *ctx); -extern void nfs_file_set_open_context(struct file *filp, struct nfs_open_context *ctx); extern struct nfs_open_context *nfs_find_open_context(struct inode *inode, struct rpc_cred *cred, int mode); -extern void nfs_file_clear_open_context(struct file *filp); /* linux/net/ipv4/ipconfig.c: trims ip addr off front of name, too. */ extern u32 root_nfs_parse_addr(char *name); /*__init*/ @@ -334,7 +324,7 @@ extern struct inode_operations nfs_file_inode_operations; #ifdef CONFIG_NFS_V3 extern struct inode_operations nfs3_file_inode_operations; #endif /* CONFIG_NFS_V3 */ -extern struct file_operations nfs_file_operations; +extern const struct file_operations nfs_file_operations; extern struct address_space_operations nfs_file_aops; static inline struct rpc_cred *nfs_file_cred(struct file *file) @@ -381,7 +371,7 @@ extern struct inode_operations nfs_dir_inode_operations; #ifdef CONFIG_NFS_V3 extern struct inode_operations nfs3_dir_inode_operations; #endif /* CONFIG_NFS_V3 */ -extern struct file_operations nfs_dir_operations; +extern const struct file_operations nfs_dir_operations; extern struct dentry_operations nfs_dentry_operations; extern int nfs_instantiate(struct dentry *dentry, struct nfs_fh *fh, struct nfs_fattr *fattr); @@ -415,21 +405,22 @@ extern int nfs_writepage(struct page *page, struct writeback_control *wbc); extern int nfs_writepages(struct address_space *, struct writeback_control *); extern int nfs_flush_incompatible(struct file *file, struct page *page); extern int nfs_updatepage(struct file *, struct page *, unsigned int, unsigned int); -extern void nfs_writeback_done(struct rpc_task *task, void *data); -extern void nfs_writedata_release(void *data); +extern int nfs_writeback_done(struct rpc_task *, struct nfs_write_data *); +extern void nfs_writedata_release(void *); #if defined(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4) -extern void nfs_commit_done(struct rpc_task *, void *data); -extern void nfs_commit_release(void *data); +struct nfs_write_data *nfs_commit_alloc(unsigned int pagecount); +void nfs_commit_free(struct nfs_write_data *p); #endif /* * Try to write back everything synchronously (but check the * return value!) */ -extern int nfs_sync_inode(struct inode *, unsigned long, unsigned int, int); +extern int nfs_sync_inode_wait(struct inode *, unsigned long, unsigned int, int); #if defined(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4) extern int nfs_commit_inode(struct inode *, int); +extern void nfs_commit_release(void *wdata); #else static inline int nfs_commit_inode(struct inode *inode, int how) @@ -447,7 +438,7 @@ nfs_have_writebacks(struct inode *inode) static inline int nfs_wb_all(struct inode *inode) { - int error = nfs_sync_inode(inode, 0, 0, FLUSH_WAIT); + int error = nfs_sync_inode_wait(inode, 0, 0, 0); return (error < 0) ? error : 0; } @@ -456,8 +447,8 @@ nfs_wb_all(struct inode *inode) */ static inline int nfs_wb_page_priority(struct inode *inode, struct page* page, int how) { - int error = nfs_sync_inode(inode, page->index, 1, - how | FLUSH_WAIT | FLUSH_STABLE); + int error = nfs_sync_inode_wait(inode, page->index, 1, + how | FLUSH_STABLE); return (error < 0) ? error : 0; } @@ -469,37 +460,8 @@ static inline int nfs_wb_page(struct inode *inode, struct page* page) /* * Allocate and free nfs_write_data structures */ -extern mempool_t *nfs_wdata_mempool; - -static inline struct nfs_write_data *nfs_writedata_alloc(unsigned int pagecount) -{ - struct nfs_write_data *p = mempool_alloc(nfs_wdata_mempool, SLAB_NOFS); - - if (p) { - memset(p, 0, sizeof(*p)); - INIT_LIST_HEAD(&p->pages); - if (pagecount < NFS_PAGEVEC_SIZE) - p->pagevec = &p->page_array[0]; - else { - size_t size = ++pagecount * sizeof(struct page *); - p->pagevec = kmalloc(size, GFP_NOFS); - if (p->pagevec) { - memset(p->pagevec, 0, size); - } else { - mempool_free(p, nfs_wdata_mempool); - p = NULL; - } - } - } - return p; -} - -static inline void nfs_writedata_free(struct nfs_write_data *p) -{ - if (p && (p->pagevec != &p->page_array[0])) - kfree(p->pagevec); - mempool_free(p, nfs_wdata_mempool); -} +extern struct nfs_write_data *nfs_writedata_alloc(unsigned int pagecount); +extern void nfs_writedata_free(struct nfs_write_data *p); /* * linux/fs/nfs/read.c @@ -507,44 +469,14 @@ static inline void nfs_writedata_free(struct nfs_write_data *p) extern int nfs_readpage(struct file *, struct page *); extern int nfs_readpages(struct file *, struct address_space *, struct list_head *, unsigned); -extern void nfs_readpage_result(struct rpc_task *, void *); -extern void nfs_readdata_release(void *data); - +extern int nfs_readpage_result(struct rpc_task *, struct nfs_read_data *); +extern void nfs_readdata_release(void *data); /* * Allocate and free nfs_read_data structures */ -extern mempool_t *nfs_rdata_mempool; - -static inline struct nfs_read_data *nfs_readdata_alloc(unsigned int pagecount) -{ - struct nfs_read_data *p = mempool_alloc(nfs_rdata_mempool, SLAB_NOFS); - - if (p) { - memset(p, 0, sizeof(*p)); - INIT_LIST_HEAD(&p->pages); - if (pagecount < NFS_PAGEVEC_SIZE) - p->pagevec = &p->page_array[0]; - else { - size_t size = ++pagecount * sizeof(struct page *); - p->pagevec = kmalloc(size, GFP_NOFS); - if (p->pagevec) { - memset(p->pagevec, 0, size); - } else { - mempool_free(p, nfs_rdata_mempool); - p = NULL; - } - } - } - return p; -} - -static inline void nfs_readdata_free(struct nfs_read_data *p) -{ - if (p && (p->pagevec != &p->page_array[0])) - kfree(p->pagevec); - mempool_free(p, nfs_rdata_mempool); -} +extern struct nfs_read_data *nfs_readdata_alloc(unsigned int pagecount); +extern void nfs_readdata_free(struct nfs_read_data *p); /* * linux/fs/nfs3proc.c diff --git a/include/linux/nfs_fs_i.h b/include/linux/nfs_fs_i.h index e2c18dabff86..861730275ba0 100644 --- a/include/linux/nfs_fs_i.h +++ b/include/linux/nfs_fs_i.h @@ -12,8 +12,8 @@ struct nlm_lockowner; */ struct nfs_lock_info { u32 state; - u32 flags; struct nlm_lockowner *owner; + struct list_head list; }; struct nfs4_lock_state; @@ -21,10 +21,4 @@ struct nfs4_lock_info { struct nfs4_lock_state *owner; }; -/* - * Lock flag values - */ -#define NFS_LCK_GRANTED 0x0001 /* lock has been granted */ -#define NFS_LCK_RECLAIM 0x0002 /* lock marked for reclaiming */ - #endif diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index 3d3a305488cf..65dec21af774 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -4,6 +4,8 @@ #include <linux/list.h> #include <linux/backing-dev.h> +struct nfs_iostats; + /* * NFS client parameters stored in the superblock. */ @@ -12,6 +14,7 @@ struct nfs_server { struct rpc_clnt * client_sys; /* 2nd handle for FSINFO */ struct rpc_clnt * client_acl; /* ACL RPC client handle */ struct nfs_rpc_ops * rpc_ops; /* NFS protocol vector */ + struct nfs_iostats * io_stats; /* I/O statistics */ struct backing_dev_info backing_dev_info; int flags; /* various flags */ unsigned int caps; /* server capabilities */ @@ -26,10 +29,13 @@ struct nfs_server { unsigned int acregmax; unsigned int acdirmin; unsigned int acdirmax; + unsigned long retrans_timeo; /* retransmit timeout */ + unsigned int retrans_count; /* number of retransmit tries */ unsigned int namelen; char * hostname; /* remote hostname */ struct nfs_fh fh; struct sockaddr_in addr; + unsigned long mount_time; /* when this fs was mounted */ #ifdef CONFIG_NFS_V4 /* Our own IP address, as a null-terminated string. * This is used to generate the clientid, and the callback address. diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index 6d6f69ec5675..7fafc4c546b7 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -695,7 +695,6 @@ struct nfs_read_data { #ifdef CONFIG_NFS_V4 unsigned long timestamp; /* For lease renewal */ #endif - void (*complete) (struct nfs_read_data *, int); struct page *page_array[NFS_PAGEVEC_SIZE + 1]; }; @@ -714,7 +713,6 @@ struct nfs_write_data { #ifdef CONFIG_NFS_V4 unsigned long timestamp; /* For lease renewal */ #endif - void (*complete) (struct nfs_write_data *, int); struct page *page_array[NFS_PAGEVEC_SIZE + 1]; }; @@ -769,8 +767,11 @@ struct nfs_rpc_ops { struct nfs_pathconf *); u32 * (*decode_dirent)(u32 *, struct nfs_entry *, int plus); void (*read_setup) (struct nfs_read_data *); + int (*read_done) (struct rpc_task *, struct nfs_read_data *); void (*write_setup) (struct nfs_write_data *, int how); + int (*write_done) (struct rpc_task *, struct nfs_write_data *); void (*commit_setup) (struct nfs_write_data *, int how); + int (*commit_done) (struct rpc_task *, struct nfs_write_data *); int (*file_open) (struct inode *, struct file *); int (*file_release) (struct inode *, struct file *); int (*lock)(struct file *, int, struct file_lock *); diff --git a/include/linux/nfsd/export.h b/include/linux/nfsd/export.h index 6bad4766d3d9..d2a8abb5011a 100644 --- a/include/linux/nfsd/export.h +++ b/include/linux/nfsd/export.h @@ -67,7 +67,8 @@ struct svc_expkey { int ek_fsidtype; u32 ek_fsid[3]; - struct svc_export * ek_export; + struct vfsmount * ek_mnt; + struct dentry * ek_dentry; }; #define EX_SECURE(exp) (!((exp)->ex_flags & NFSEXP_INSECURE_PORT)) @@ -85,9 +86,6 @@ void nfsd_export_shutdown(void); void nfsd_export_flush(void); void exp_readlock(void); void exp_readunlock(void); -struct svc_expkey * exp_find_key(struct auth_domain *clp, - int fsid_type, u32 *fsidv, - struct cache_req *reqp); struct svc_export * exp_get_by_name(struct auth_domain *clp, struct vfsmount *mnt, struct dentry *dentry, @@ -101,35 +99,20 @@ int exp_rootfh(struct auth_domain *, int exp_pseudoroot(struct auth_domain *, struct svc_fh *fhp, struct cache_req *creq); int nfserrno(int errno); -extern void expkey_put(struct cache_head *item, struct cache_detail *cd); -extern void svc_export_put(struct cache_head *item, struct cache_detail *cd); -extern struct cache_detail svc_export_cache, svc_expkey_cache; +extern struct cache_detail svc_export_cache; static inline void exp_put(struct svc_export *exp) { - svc_export_put(&exp->h, &svc_export_cache); + cache_put(&exp->h, &svc_export_cache); } static inline void exp_get(struct svc_export *exp) { cache_get(&exp->h); } -static inline struct svc_export * +extern struct svc_export * exp_find(struct auth_domain *clp, int fsid_type, u32 *fsidv, - struct cache_req *reqp) -{ - struct svc_expkey *ek = exp_find_key(clp, fsid_type, fsidv, reqp); - if (ek && !IS_ERR(ek)) { - struct svc_export *exp = ek->ek_export; - int err; - exp_get(exp); - expkey_put(&ek->h, &svc_expkey_cache); - if ((err = cache_check(&svc_export_cache, &exp->h, reqp))) - exp = ERR_PTR(err); - return exp; - } else - return ERR_PTR(PTR_ERR(ek)); -} + struct cache_req *reqp); #endif /* __KERNEL__ */ diff --git a/include/linux/nodemask.h b/include/linux/nodemask.h index b959a4525cbd..1a9ef3e627d1 100644 --- a/include/linux/nodemask.h +++ b/include/linux/nodemask.h @@ -350,11 +350,15 @@ extern nodemask_t node_possible_map; #define num_possible_nodes() nodes_weight(node_possible_map) #define node_online(node) node_isset((node), node_online_map) #define node_possible(node) node_isset((node), node_possible_map) +#define first_online_node first_node(node_online_map) +#define next_online_node(nid) next_node((nid), node_online_map) #else #define num_online_nodes() 1 #define num_possible_nodes() 1 #define node_online(node) ((node) == 0) #define node_possible(node) ((node) == 0) +#define first_online_node 0 +#define next_online_node(nid) (MAX_NUMNODES) #endif #define any_online_node(mask) \ diff --git a/include/linux/notifier.h b/include/linux/notifier.h index 5937dd6053c3..51dbab9710c7 100644 --- a/include/linux/notifier.h +++ b/include/linux/notifier.h @@ -10,25 +10,107 @@ #ifndef _LINUX_NOTIFIER_H #define _LINUX_NOTIFIER_H #include <linux/errno.h> +#include <linux/mutex.h> +#include <linux/rwsem.h> -struct notifier_block -{ - int (*notifier_call)(struct notifier_block *self, unsigned long, void *); +/* + * Notifier chains are of three types: + * + * Atomic notifier chains: Chain callbacks run in interrupt/atomic + * context. Callouts are not allowed to block. + * Blocking notifier chains: Chain callbacks run in process context. + * Callouts are allowed to block. + * Raw notifier chains: There are no restrictions on callbacks, + * registration, or unregistration. All locking and protection + * must be provided by the caller. + * + * atomic_notifier_chain_register() may be called from an atomic context, + * but blocking_notifier_chain_register() must be called from a process + * context. Ditto for the corresponding _unregister() routines. + * + * atomic_notifier_chain_unregister() and blocking_notifier_chain_unregister() + * _must not_ be called from within the call chain. + */ + +struct notifier_block { + int (*notifier_call)(struct notifier_block *, unsigned long, void *); struct notifier_block *next; int priority; }; +struct atomic_notifier_head { + spinlock_t lock; + struct notifier_block *head; +}; + +struct blocking_notifier_head { + struct rw_semaphore rwsem; + struct notifier_block *head; +}; + +struct raw_notifier_head { + struct notifier_block *head; +}; + +#define ATOMIC_INIT_NOTIFIER_HEAD(name) do { \ + spin_lock_init(&(name)->lock); \ + (name)->head = NULL; \ + } while (0) +#define BLOCKING_INIT_NOTIFIER_HEAD(name) do { \ + init_rwsem(&(name)->rwsem); \ + (name)->head = NULL; \ + } while (0) +#define RAW_INIT_NOTIFIER_HEAD(name) do { \ + (name)->head = NULL; \ + } while (0) + +#define ATOMIC_NOTIFIER_INIT(name) { \ + .lock = SPIN_LOCK_UNLOCKED, \ + .head = NULL } +#define BLOCKING_NOTIFIER_INIT(name) { \ + .rwsem = __RWSEM_INITIALIZER((name).rwsem), \ + .head = NULL } +#define RAW_NOTIFIER_INIT(name) { \ + .head = NULL } + +#define ATOMIC_NOTIFIER_HEAD(name) \ + struct atomic_notifier_head name = \ + ATOMIC_NOTIFIER_INIT(name) +#define BLOCKING_NOTIFIER_HEAD(name) \ + struct blocking_notifier_head name = \ + BLOCKING_NOTIFIER_INIT(name) +#define RAW_NOTIFIER_HEAD(name) \ + struct raw_notifier_head name = \ + RAW_NOTIFIER_INIT(name) #ifdef __KERNEL__ -extern int notifier_chain_register(struct notifier_block **list, struct notifier_block *n); -extern int notifier_chain_unregister(struct notifier_block **nl, struct notifier_block *n); -extern int notifier_call_chain(struct notifier_block **n, unsigned long val, void *v); +extern int atomic_notifier_chain_register(struct atomic_notifier_head *, + struct notifier_block *); +extern int blocking_notifier_chain_register(struct blocking_notifier_head *, + struct notifier_block *); +extern int raw_notifier_chain_register(struct raw_notifier_head *, + struct notifier_block *); + +extern int atomic_notifier_chain_unregister(struct atomic_notifier_head *, + struct notifier_block *); +extern int blocking_notifier_chain_unregister(struct blocking_notifier_head *, + struct notifier_block *); +extern int raw_notifier_chain_unregister(struct raw_notifier_head *, + struct notifier_block *); + +extern int atomic_notifier_call_chain(struct atomic_notifier_head *, + unsigned long val, void *v); +extern int blocking_notifier_call_chain(struct blocking_notifier_head *, + unsigned long val, void *v); +extern int raw_notifier_call_chain(struct raw_notifier_head *, + unsigned long val, void *v); #define NOTIFY_DONE 0x0000 /* Don't care */ #define NOTIFY_OK 0x0001 /* Suits me */ #define NOTIFY_STOP_MASK 0x8000 /* Don't call further */ -#define NOTIFY_BAD (NOTIFY_STOP_MASK|0x0002) /* Bad/Veto action */ +#define NOTIFY_BAD (NOTIFY_STOP_MASK|0x0002) + /* Bad/Veto action */ /* * Clean way to return from the notifier and stop further calls. */ diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h index 559c4c38a9c7..0d514b252454 100644 --- a/include/linux/oprofile.h +++ b/include/linux/oprofile.h @@ -61,6 +61,16 @@ void oprofile_arch_exit(void); */ void oprofile_add_sample(struct pt_regs * const regs, unsigned long event); +/** + * Add an extended sample. Use this when the PC is not from the regs, and + * we cannot determine if we're in kernel mode from the regs. + * + * This function does perform a backtrace. + * + */ +void oprofile_add_ext_sample(unsigned long pc, struct pt_regs * const regs, + unsigned long event, int is_kernel); + /* Use this instead when the PC value is not from the regs. Doesn't * backtrace. */ void oprofile_add_pc(unsigned long pc, int is_kernel, unsigned long event); @@ -74,10 +84,10 @@ void oprofile_add_trace(unsigned long eip); * the specified file operations. */ int oprofilefs_create_file(struct super_block * sb, struct dentry * root, - char const * name, struct file_operations * fops); + char const * name, const struct file_operations * fops); int oprofilefs_create_file_perm(struct super_block * sb, struct dentry * root, - char const * name, struct file_operations * fops, int perm); + char const * name, const struct file_operations * fops, int perm); /** Create a file for read/write access to an unsigned long. */ int oprofilefs_create_ulong(struct super_block * sb, struct dentry * root, diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index 6f080ae59286..870fe38378b1 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -642,6 +642,7 @@ #define PCI_DEVICE_ID_SI_965 0x0965 #define PCI_DEVICE_ID_SI_5511 0x5511 #define PCI_DEVICE_ID_SI_5513 0x5513 +#define PCI_DEVICE_ID_SI_5517 0x5517 #define PCI_DEVICE_ID_SI_5518 0x5518 #define PCI_DEVICE_ID_SI_5571 0x5571 #define PCI_DEVICE_ID_SI_5581 0x5581 @@ -772,6 +773,7 @@ #define PCI_DEVICE_ID_MOTOROLA_HAWK 0x4803 #define PCI_DEVICE_ID_MOTOROLA_HARRIER 0x480b #define PCI_DEVICE_ID_MOTOROLA_MPC5200 0x5803 +#define PCI_DEVICE_ID_MOTOROLA_MPC5200B 0x5809 #define PCI_VENDOR_ID_PROMISE 0x105a #define PCI_DEVICE_ID_PROMISE_20265 0x0d30 @@ -1052,6 +1054,7 @@ #define PCIE_DEVICE_ID_NVIDIA_GEFORCE_6600_ALT2 0x00f2 #define PCIE_DEVICE_ID_NVIDIA_GEFORCE_6200_ALT1 0x00f3 #define PCIE_DEVICE_ID_NVIDIA_GEFORCE_6800_GT 0x00f9 +#define PCIE_DEVICE_ID_NVIDIA_QUADRO_NVS280 0x00fd #define PCI_DEVICE_ID_NVIDIA_GEFORCE_SDR 0x0100 #define PCI_DEVICE_ID_NVIDIA_GEFORCE_DDR 0x0101 #define PCI_DEVICE_ID_NVIDIA_QUADRO 0x0103 diff --git a/include/linux/pfn.h b/include/linux/pfn.h new file mode 100644 index 000000000000..bb01f8b92b56 --- /dev/null +++ b/include/linux/pfn.h @@ -0,0 +1,9 @@ +#ifndef _LINUX_PFN_H_ +#define _LINUX_PFN_H_ + +#define PFN_ALIGN(x) (((unsigned long)(x) + (PAGE_SIZE - 1)) & PAGE_MASK) +#define PFN_UP(x) (((x) + PAGE_SIZE-1) >> PAGE_SHIFT) +#define PFN_DOWN(x) ((x) >> PAGE_SHIFT) +#define PFN_PHYS(x) ((x) << PAGE_SHIFT) + +#endif diff --git a/include/linux/pid.h b/include/linux/pid.h index 5b2fcb19d2da..5b9082cc600f 100644 --- a/include/linux/pid.h +++ b/include/linux/pid.h @@ -4,7 +4,6 @@ enum pid_type { PIDTYPE_PID, - PIDTYPE_TGID, PIDTYPE_PGID, PIDTYPE_SID, PIDTYPE_MAX @@ -38,7 +37,6 @@ extern struct pid *FASTCALL(find_pid(enum pid_type, int)); extern int alloc_pidmap(void); extern void FASTCALL(free_pidmap(int)); -extern void switch_exec_pids(struct task_struct *leader, struct task_struct *thread); #define do_each_task_pid(who, type, task) \ if ((task = find_task_by_pid_type(type, who))) { \ diff --git a/include/linux/poll.h b/include/linux/poll.h index 8e8f6098508a..51e1b56741fb 100644 --- a/include/linux/poll.h +++ b/include/linux/poll.h @@ -11,6 +11,15 @@ #include <linux/mm.h> #include <asm/uaccess.h> +/* ~832 bytes of stack space used max in sys_select/sys_poll before allocating + additional memory. */ +#define MAX_STACK_ALLOC 832 +#define FRONTEND_STACK_ALLOC 256 +#define SELECT_STACK_ALLOC FRONTEND_STACK_ALLOC +#define POLL_STACK_ALLOC FRONTEND_STACK_ALLOC +#define WQUEUES_STACK_ALLOC (MAX_STACK_ALLOC - FRONTEND_STACK_ALLOC) +#define N_INLINE_POLL_ENTRIES (WQUEUES_STACK_ALLOC / sizeof(struct poll_table_entry)) + struct poll_table_struct; /* @@ -33,6 +42,12 @@ static inline void init_poll_funcptr(poll_table *pt, poll_queue_proc qproc) pt->qproc = qproc; } +struct poll_table_entry { + struct file * filp; + wait_queue_t wait; + wait_queue_head_t * wait_address; +}; + /* * Structures and helpers for sys_poll/sys_poll */ @@ -40,6 +55,8 @@ struct poll_wqueues { poll_table pt; struct poll_table_page * table; int error; + int inline_index; + struct poll_table_entry inline_entries[N_INLINE_POLL_ENTRIES]; }; extern void poll_initwait(struct poll_wqueues *pwq); diff --git a/include/linux/ppdev.h b/include/linux/ppdev.h index 141c96586824..f376a7598a78 100644 --- a/include/linux/ppdev.h +++ b/include/linux/ppdev.h @@ -14,8 +14,6 @@ * Added PPGETMODES/PPGETMODE/PPGETPHASE, Fred Barnes <frmb2@ukc.ac.uk>, 03/01/2001 */ -#define PP_MAJOR 99 - #define PP_IOCTL 'p' /* Set mode for read/write (e.g. IEEE1284_MODE_EPP) */ diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h index aa6322d45198..135871df9911 100644 --- a/include/linux/proc_fs.h +++ b/include/linux/proc_fs.h @@ -4,6 +4,7 @@ #include <linux/config.h> #include <linux/slab.h> #include <linux/fs.h> +#include <linux/spinlock.h> #include <asm/atomic.h> /* @@ -55,9 +56,9 @@ struct proc_dir_entry { nlink_t nlink; uid_t uid; gid_t gid; - unsigned long size; + loff_t size; struct inode_operations * proc_iops; - struct file_operations * proc_fops; + const struct file_operations * proc_fops; get_info_t *get_info; struct module *owner; struct proc_dir_entry *next, *parent, *subdir; @@ -92,6 +93,8 @@ extern struct proc_dir_entry *proc_bus; extern struct proc_dir_entry *proc_root_driver; extern struct proc_dir_entry *proc_root_kcore; +extern spinlock_t proc_subdir_lock; + extern void proc_root_init(void); extern void proc_misc_init(void); @@ -125,9 +128,9 @@ extern int proc_match(int, const char *,struct proc_dir_entry *); extern int proc_readdir(struct file *, void *, filldir_t); extern struct dentry *proc_lookup(struct inode *, struct dentry *, struct nameidata *); -extern struct file_operations proc_kcore_operations; -extern struct file_operations proc_kmsg_operations; -extern struct file_operations ppc_htab_operations; +extern const struct file_operations proc_kcore_operations; +extern const struct file_operations proc_kmsg_operations; +extern const struct file_operations ppc_htab_operations; /* * proc_tty.c @@ -186,7 +189,7 @@ static inline struct proc_dir_entry *proc_net_create(const char *name, } static inline struct proc_dir_entry *proc_net_fops_create(const char *name, - mode_t mode, struct file_operations *fops) + mode_t mode, const struct file_operations *fops) { struct proc_dir_entry *res = create_proc_entry(name, mode, proc_net); if (res) diff --git a/include/linux/qnx4_fs.h b/include/linux/qnx4_fs.h index fc610bb0f733..27f49c85d5d6 100644 --- a/include/linux/qnx4_fs.h +++ b/include/linux/qnx4_fs.h @@ -118,8 +118,8 @@ extern struct buffer_head *qnx4_bread(struct inode *, int, int); extern struct inode_operations qnx4_file_inode_operations; extern struct inode_operations qnx4_dir_inode_operations; -extern struct file_operations qnx4_file_operations; -extern struct file_operations qnx4_dir_operations; +extern const struct file_operations qnx4_file_operations; +extern const struct file_operations qnx4_dir_operations; extern int qnx4_is_free(struct super_block *sb, long block); extern int qnx4_set_bitmap(struct super_block *sb, long block, int busy); extern int qnx4_create(struct inode *inode, struct dentry *dentry, int mode, struct nameidata *nd); diff --git a/include/linux/quota.h b/include/linux/quota.h index 8dc2d04a103f..2dab71e1c3d1 100644 --- a/include/linux/quota.h +++ b/include/linux/quota.h @@ -209,7 +209,6 @@ extern struct dqstats dqstats; #define DQ_FAKE_B 3 /* no limits only usage */ #define DQ_READ_B 4 /* dquot was read into memory */ #define DQ_ACTIVE_B 5 /* dquot is active (dquot_release not called) */ -#define DQ_WAITFREE_B 6 /* dquot being waited (by invalidate_dquots) */ struct dquot { struct hlist_node dq_hash; /* Hash list in memory */ diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h index c57ff2fcb30a..dd83cca28001 100644 --- a/include/linux/radix-tree.h +++ b/include/linux/radix-tree.h @@ -45,6 +45,8 @@ do { \ (root)->rnode = NULL; \ } while (0) +#define RADIX_TREE_MAX_TAGS 2 + int radix_tree_insert(struct radix_tree_root *, unsigned long, void *); void *radix_tree_lookup(struct radix_tree_root *, unsigned long); void **radix_tree_lookup_slot(struct radix_tree_root *, unsigned long); @@ -55,15 +57,16 @@ radix_tree_gang_lookup(struct radix_tree_root *root, void **results, int radix_tree_preload(gfp_t gfp_mask); void radix_tree_init(void); void *radix_tree_tag_set(struct radix_tree_root *root, - unsigned long index, int tag); + unsigned long index, unsigned int tag); void *radix_tree_tag_clear(struct radix_tree_root *root, - unsigned long index, int tag); + unsigned long index, unsigned int tag); int radix_tree_tag_get(struct radix_tree_root *root, - unsigned long index, int tag); + unsigned long index, unsigned int tag); unsigned int radix_tree_gang_lookup_tag(struct radix_tree_root *root, void **results, - unsigned long first_index, unsigned int max_items, int tag); -int radix_tree_tagged(struct radix_tree_root *root, int tag); + unsigned long first_index, unsigned int max_items, + unsigned int tag); +int radix_tree_tagged(struct radix_tree_root *root, unsigned int tag); static inline void radix_tree_preload_end(void) { diff --git a/include/linux/raid/md.h b/include/linux/raid/md.h index b6e0bcad84e1..66b44e5e0d6e 100644 --- a/include/linux/raid/md.h +++ b/include/linux/raid/md.h @@ -92,7 +92,10 @@ extern void md_super_write(mddev_t *mddev, mdk_rdev_t *rdev, extern void md_super_wait(mddev_t *mddev); extern int sync_page_io(struct block_device *bdev, sector_t sector, int size, struct page *page, int rw); +extern void md_do_sync(mddev_t *mddev); +extern void md_new_event(mddev_t *mddev); +extern void md_update_sb(mddev_t * mddev); #define MD_BUG(x...) { printk("md: bug in file %s, line %d\n", __FILE__, __LINE__); md_print_devices(); } diff --git a/include/linux/raid/md_k.h b/include/linux/raid/md_k.h index 617b9506c760..e2df61f5b09a 100644 --- a/include/linux/raid/md_k.h +++ b/include/linux/raid/md_k.h @@ -132,6 +132,14 @@ struct mddev_s char uuid[16]; + /* If the array is being reshaped, we need to record the + * new shape and an indication of where we are up to. + * This is written to the superblock. + * If reshape_position is MaxSector, then no reshape is happening (yet). + */ + sector_t reshape_position; + int delta_disks, new_level, new_layout, new_chunk; + struct mdk_thread_s *thread; /* management thread */ struct mdk_thread_s *sync_thread; /* doing resync or reconstruct */ sector_t curr_resync; /* blocks scheduled */ @@ -143,6 +151,10 @@ struct mddev_s sector_t resync_mismatches; /* count of sectors where * parity/replica mismatch found */ + + /* allow user-space to request suspension of IO to regions of the array */ + sector_t suspend_lo; + sector_t suspend_hi; /* if zero, use the system-wide default */ int sync_speed_min; int sync_speed_max; @@ -157,6 +169,9 @@ struct mddev_s * DONE: thread is done and is waiting to be reaped * REQUEST: user-space has requested a sync (used with SYNC) * CHECK: user-space request for for check-only, no repair + * RESHAPE: A reshape is happening + * + * If neither SYNC or RESHAPE are set, then it is a recovery. */ #define MD_RECOVERY_RUNNING 0 #define MD_RECOVERY_SYNC 1 @@ -166,10 +181,11 @@ struct mddev_s #define MD_RECOVERY_NEEDED 5 #define MD_RECOVERY_REQUESTED 6 #define MD_RECOVERY_CHECK 7 +#define MD_RECOVERY_RESHAPE 8 unsigned long recovery; int in_sync; /* know to not need resync */ - struct semaphore reconfig_sem; + struct mutex reconfig_mutex; atomic_t active; int changed; /* true if we might need to reread partition info */ @@ -249,7 +265,8 @@ struct mdk_personality int (*spare_active) (mddev_t *mddev); sector_t (*sync_request)(mddev_t *mddev, sector_t sector_nr, int *skipped, int go_faster); int (*resize) (mddev_t *mddev, sector_t sectors); - int (*reshape) (mddev_t *mddev, int raid_disks); + int (*check_reshape) (mddev_t *mddev); + int (*start_reshape) (mddev_t *mddev); int (*reconfig) (mddev_t *mddev, int layout, int chunk_size); /* quiesce moves between quiescence states * 0 - fully active diff --git a/include/linux/raid/md_p.h b/include/linux/raid/md_p.h index c100fa5d4bfa..774e1acfb8c4 100644 --- a/include/linux/raid/md_p.h +++ b/include/linux/raid/md_p.h @@ -102,6 +102,18 @@ typedef struct mdp_device_descriptor_s { #define MD_SB_ERRORS 1 #define MD_SB_BITMAP_PRESENT 8 /* bitmap may be present nearby */ + +/* + * Notes: + * - if an array is being reshaped (restriped) in order to change the + * the number of active devices in the array, 'raid_disks' will be + * the larger of the old and new numbers. 'delta_disks' will + * be the "new - old". So if +ve, raid_disks is the new value, and + * "raid_disks-delta_disks" is the old. If -ve, raid_disks is the + * old value and "raid_disks+delta_disks" is the new (smaller) value. + */ + + typedef struct mdp_superblock_s { /* * Constant generic information @@ -146,7 +158,13 @@ typedef struct mdp_superblock_s { __u32 cp_events_hi; /* 10 high-order of checkpoint update count */ #endif __u32 recovery_cp; /* 11 recovery checkpoint sector count */ - __u32 gstate_sreserved[MD_SB_GENERIC_STATE_WORDS - 12]; + /* There are only valid for minor_version > 90 */ + __u64 reshape_position; /* 12,13 next address in array-space for reshape */ + __u32 new_level; /* 14 new level we are reshaping to */ + __u32 delta_disks; /* 15 change in number of raid_disks */ + __u32 new_layout; /* 16 new layout */ + __u32 new_chunk; /* 17 new chunk size (bytes) */ + __u32 gstate_sreserved[MD_SB_GENERIC_STATE_WORDS - 18]; /* * Personality information @@ -207,7 +225,14 @@ struct mdp_superblock_1 { * NOTE: signed, so bitmap can be before superblock * only meaningful of feature_map[0] is set. */ - __u8 pad1[128-100]; /* set to 0 when written */ + + /* These are only valid with feature bit '4' */ + __u64 reshape_position; /* next address in array-space for reshape */ + __u32 new_level; /* new level we are reshaping to */ + __u32 delta_disks; /* change in number of raid_disks */ + __u32 new_layout; /* new layout */ + __u32 new_chunk; /* new chunk size (bytes) */ + __u8 pad1[128-124]; /* set to 0 when written */ /* constant this-device information - 64 bytes */ __u64 data_offset; /* sector start of data, often 0 */ @@ -240,8 +265,9 @@ struct mdp_superblock_1 { /* feature_map bits */ #define MD_FEATURE_BITMAP_OFFSET 1 +#define MD_FEATURE_RESHAPE_ACTIVE 4 -#define MD_FEATURE_ALL 1 +#define MD_FEATURE_ALL 5 #endif diff --git a/include/linux/raid/raid5.h b/include/linux/raid/raid5.h index 394da8207b34..914af667044f 100644 --- a/include/linux/raid/raid5.h +++ b/include/linux/raid/raid5.h @@ -135,6 +135,7 @@ struct stripe_head { atomic_t count; /* nr of active thread/requests */ spinlock_t lock; int bm_seq; /* sequence number for bitmap flushes */ + int disks; /* disks in stripe */ struct r5dev { struct bio req; struct bio_vec vec; @@ -156,6 +157,7 @@ struct stripe_head { #define R5_ReadError 8 /* seen a read error here recently */ #define R5_ReWrite 9 /* have tried to over-write the readerror */ +#define R5_Expanded 10 /* This block now has post-expand data */ /* * Write method */ @@ -174,7 +176,9 @@ struct stripe_head { #define STRIPE_DELAYED 6 #define STRIPE_DEGRADED 7 #define STRIPE_BIT_DELAY 8 - +#define STRIPE_EXPANDING 9 +#define STRIPE_EXPAND_SOURCE 10 +#define STRIPE_EXPAND_READY 11 /* * Plugging: * @@ -211,12 +215,24 @@ struct raid5_private_data { int raid_disks, working_disks, failed_disks; int max_nr_stripes; + /* used during an expand */ + sector_t expand_progress; /* MaxSector when no expand happening */ + sector_t expand_lo; /* from here up to expand_progress it out-of-bounds + * as we haven't flushed the metadata yet + */ + int previous_raid_disks; + struct list_head handle_list; /* stripes needing handling */ struct list_head delayed_list; /* stripes that have plugged requests */ struct list_head bitmap_list; /* stripes delaying awaiting bitmap update */ atomic_t preread_active_stripes; /* stripes with scheduled io */ - char cache_name[20]; + atomic_t reshape_stripes; /* stripes with pending writes for reshape */ + /* unfortunately we need two cache names as we temporarily have + * two caches. + */ + int active_name; + char cache_name[2][20]; kmem_cache_t *slab_cache; /* for allocating stripes */ int seq_flush, seq_write; @@ -238,9 +254,10 @@ struct raid5_private_data { wait_queue_head_t wait_for_overlap; int inactive_blocked; /* release of inactive stripes blocked, * waiting for 25% to be free - */ + */ + int pool_size; /* number of disks in stripeheads in pool */ spinlock_t device_lock; - struct disk_info disks[0]; + struct disk_info *disks; }; typedef struct raid5_private_data raid5_conf_t; diff --git a/include/linux/ramfs.h b/include/linux/ramfs.h index 953b6df5d037..78ecfa28b1c2 100644 --- a/include/linux/ramfs.h +++ b/include/linux/ramfs.h @@ -15,7 +15,7 @@ extern unsigned long ramfs_nommu_get_unmapped_area(struct file *file, extern int ramfs_nommu_mmap(struct file *file, struct vm_area_struct *vma); #endif -extern struct file_operations ramfs_file_operations; +extern const struct file_operations ramfs_file_operations; extern struct vm_operations_struct generic_file_vm_ops; #endif diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h index dad78cecfd20..5676c4210e2c 100644 --- a/include/linux/reiserfs_fs.h +++ b/include/linux/reiserfs_fs.h @@ -1704,6 +1704,11 @@ static inline int reiserfs_transaction_running(struct super_block *s) return 0; } +static inline int reiserfs_transaction_free_space(struct reiserfs_transaction_handle *th) +{ + return th->t_blocks_allocated - th->t_blocks_logged; +} + int reiserfs_async_progress_wait(struct super_block *s); struct reiserfs_transaction_handle *reiserfs_persistent_transaction(struct @@ -1955,7 +1960,7 @@ int reiserfs_global_version_in_proc(char *buffer, char **start, off_t offset, extern struct inode_operations reiserfs_dir_inode_operations; extern struct inode_operations reiserfs_symlink_inode_operations; extern struct inode_operations reiserfs_special_inode_operations; -extern struct file_operations reiserfs_dir_operations; +extern const struct file_operations reiserfs_dir_operations; /* tail_conversion.c */ int direct2indirect(struct reiserfs_transaction_handle *, struct inode *, @@ -1967,7 +1972,7 @@ void reiserfs_unmap_buffer(struct buffer_head *); /* file.c */ extern struct inode_operations reiserfs_file_inode_operations; -extern struct file_operations reiserfs_file_operations; +extern const struct file_operations reiserfs_file_operations; extern struct address_space_operations reiserfs_address_space_operations; /* fix_nodes.c */ diff --git a/include/linux/reiserfs_xattr.h b/include/linux/reiserfs_xattr.h index 87280eb6083d..5353afb11db3 100644 --- a/include/linux/reiserfs_xattr.h +++ b/include/linux/reiserfs_xattr.h @@ -101,13 +101,13 @@ static inline void reiserfs_mark_inode_private(struct inode *inode) #else #define is_reiserfs_priv_object(inode) 0 -#define reiserfs_mark_inode_private(inode) +#define reiserfs_mark_inode_private(inode) do {;} while(0) #define reiserfs_getxattr NULL #define reiserfs_setxattr NULL #define reiserfs_listxattr NULL #define reiserfs_removexattr NULL -#define reiserfs_write_lock_xattrs(sb) -#define reiserfs_write_unlock_xattrs(sb) +#define reiserfs_write_lock_xattrs(sb) do {;} while(0) +#define reiserfs_write_unlock_xattrs(sb) do {;} while(0) #define reiserfs_read_lock_xattrs(sb) #define reiserfs_read_unlock_xattrs(sb) diff --git a/include/linux/relayfs_fs.h b/include/linux/relayfs_fs.h deleted file mode 100644 index 7342e66247fb..000000000000 --- a/include/linux/relayfs_fs.h +++ /dev/null @@ -1,287 +0,0 @@ -/* - * linux/include/linux/relayfs_fs.h - * - * Copyright (C) 2002, 2003 - Tom Zanussi (zanussi@us.ibm.com), IBM Corp - * Copyright (C) 1999, 2000, 2001, 2002 - Karim Yaghmour (karim@opersys.com) - * - * RelayFS definitions and declarations - */ - -#ifndef _LINUX_RELAYFS_FS_H -#define _LINUX_RELAYFS_FS_H - -#include <linux/config.h> -#include <linux/types.h> -#include <linux/sched.h> -#include <linux/wait.h> -#include <linux/list.h> -#include <linux/fs.h> -#include <linux/poll.h> -#include <linux/kref.h> - -/* - * Tracks changes to rchan/rchan_buf structs - */ -#define RELAYFS_CHANNEL_VERSION 6 - -/* - * Per-cpu relay channel buffer - */ -struct rchan_buf -{ - void *start; /* start of channel buffer */ - void *data; /* start of current sub-buffer */ - size_t offset; /* current offset into sub-buffer */ - size_t subbufs_produced; /* count of sub-buffers produced */ - size_t subbufs_consumed; /* count of sub-buffers consumed */ - struct rchan *chan; /* associated channel */ - wait_queue_head_t read_wait; /* reader wait queue */ - struct work_struct wake_readers; /* reader wake-up work struct */ - struct dentry *dentry; /* channel file dentry */ - struct kref kref; /* channel buffer refcount */ - struct page **page_array; /* array of current buffer pages */ - unsigned int page_count; /* number of current buffer pages */ - unsigned int finalized; /* buffer has been finalized */ - size_t *padding; /* padding counts per sub-buffer */ - size_t prev_padding; /* temporary variable */ - size_t bytes_consumed; /* bytes consumed in cur read subbuf */ - unsigned int cpu; /* this buf's cpu */ -} ____cacheline_aligned; - -/* - * Relay channel data structure - */ -struct rchan -{ - u32 version; /* the version of this struct */ - size_t subbuf_size; /* sub-buffer size */ - size_t n_subbufs; /* number of sub-buffers per buffer */ - size_t alloc_size; /* total buffer size allocated */ - struct rchan_callbacks *cb; /* client callbacks */ - struct kref kref; /* channel refcount */ - void *private_data; /* for user-defined data */ - size_t last_toobig; /* tried to log event > subbuf size */ - struct rchan_buf *buf[NR_CPUS]; /* per-cpu channel buffers */ -}; - -/* - * Relay channel client callbacks - */ -struct rchan_callbacks -{ - /* - * subbuf_start - called on buffer-switch to a new sub-buffer - * @buf: the channel buffer containing the new sub-buffer - * @subbuf: the start of the new sub-buffer - * @prev_subbuf: the start of the previous sub-buffer - * @prev_padding: unused space at the end of previous sub-buffer - * - * The client should return 1 to continue logging, 0 to stop - * logging. - * - * NOTE: subbuf_start will also be invoked when the buffer is - * created, so that the first sub-buffer can be initialized - * if necessary. In this case, prev_subbuf will be NULL. - * - * NOTE: the client can reserve bytes at the beginning of the new - * sub-buffer by calling subbuf_start_reserve() in this callback. - */ - int (*subbuf_start) (struct rchan_buf *buf, - void *subbuf, - void *prev_subbuf, - size_t prev_padding); - - /* - * buf_mapped - relayfs buffer mmap notification - * @buf: the channel buffer - * @filp: relayfs file pointer - * - * Called when a relayfs file is successfully mmapped - */ - void (*buf_mapped)(struct rchan_buf *buf, - struct file *filp); - - /* - * buf_unmapped - relayfs buffer unmap notification - * @buf: the channel buffer - * @filp: relayfs file pointer - * - * Called when a relayfs file is successfully unmapped - */ - void (*buf_unmapped)(struct rchan_buf *buf, - struct file *filp); - /* - * create_buf_file - create file to represent a relayfs channel buffer - * @filename: the name of the file to create - * @parent: the parent of the file to create - * @mode: the mode of the file to create - * @buf: the channel buffer - * @is_global: outparam - set non-zero if the buffer should be global - * - * Called during relay_open(), once for each per-cpu buffer, - * to allow the client to create a file to be used to - * represent the corresponding channel buffer. If the file is - * created outside of relayfs, the parent must also exist in - * that filesystem. - * - * The callback should return the dentry of the file created - * to represent the relay buffer. - * - * Setting the is_global outparam to a non-zero value will - * cause relay_open() to create a single global buffer rather - * than the default set of per-cpu buffers. - * - * See Documentation/filesystems/relayfs.txt for more info. - */ - struct dentry *(*create_buf_file)(const char *filename, - struct dentry *parent, - int mode, - struct rchan_buf *buf, - int *is_global); - - /* - * remove_buf_file - remove file representing a relayfs channel buffer - * @dentry: the dentry of the file to remove - * - * Called during relay_close(), once for each per-cpu buffer, - * to allow the client to remove a file used to represent a - * channel buffer. - * - * The callback should return 0 if successful, negative if not. - */ - int (*remove_buf_file)(struct dentry *dentry); -}; - -/* - * relayfs kernel API, fs/relayfs/relay.c - */ - -struct rchan *relay_open(const char *base_filename, - struct dentry *parent, - size_t subbuf_size, - size_t n_subbufs, - struct rchan_callbacks *cb); -extern void relay_close(struct rchan *chan); -extern void relay_flush(struct rchan *chan); -extern void relay_subbufs_consumed(struct rchan *chan, - unsigned int cpu, - size_t consumed); -extern void relay_reset(struct rchan *chan); -extern int relay_buf_full(struct rchan_buf *buf); - -extern size_t relay_switch_subbuf(struct rchan_buf *buf, - size_t length); -extern struct dentry *relayfs_create_dir(const char *name, - struct dentry *parent); -extern int relayfs_remove_dir(struct dentry *dentry); -extern struct dentry *relayfs_create_file(const char *name, - struct dentry *parent, - int mode, - struct file_operations *fops, - void *data); -extern int relayfs_remove_file(struct dentry *dentry); - -/** - * relay_write - write data into the channel - * @chan: relay channel - * @data: data to be written - * @length: number of bytes to write - * - * Writes data into the current cpu's channel buffer. - * - * Protects the buffer by disabling interrupts. Use this - * if you might be logging from interrupt context. Try - * __relay_write() if you know you won't be logging from - * interrupt context. - */ -static inline void relay_write(struct rchan *chan, - const void *data, - size_t length) -{ - unsigned long flags; - struct rchan_buf *buf; - - local_irq_save(flags); - buf = chan->buf[smp_processor_id()]; - if (unlikely(buf->offset + length > chan->subbuf_size)) - length = relay_switch_subbuf(buf, length); - memcpy(buf->data + buf->offset, data, length); - buf->offset += length; - local_irq_restore(flags); -} - -/** - * __relay_write - write data into the channel - * @chan: relay channel - * @data: data to be written - * @length: number of bytes to write - * - * Writes data into the current cpu's channel buffer. - * - * Protects the buffer by disabling preemption. Use - * relay_write() if you might be logging from interrupt - * context. - */ -static inline void __relay_write(struct rchan *chan, - const void *data, - size_t length) -{ - struct rchan_buf *buf; - - buf = chan->buf[get_cpu()]; - if (unlikely(buf->offset + length > buf->chan->subbuf_size)) - length = relay_switch_subbuf(buf, length); - memcpy(buf->data + buf->offset, data, length); - buf->offset += length; - put_cpu(); -} - -/** - * relay_reserve - reserve slot in channel buffer - * @chan: relay channel - * @length: number of bytes to reserve - * - * Returns pointer to reserved slot, NULL if full. - * - * Reserves a slot in the current cpu's channel buffer. - * Does not protect the buffer at all - caller must provide - * appropriate synchronization. - */ -static inline void *relay_reserve(struct rchan *chan, size_t length) -{ - void *reserved; - struct rchan_buf *buf = chan->buf[smp_processor_id()]; - - if (unlikely(buf->offset + length > buf->chan->subbuf_size)) { - length = relay_switch_subbuf(buf, length); - if (!length) - return NULL; - } - reserved = buf->data + buf->offset; - buf->offset += length; - - return reserved; -} - -/** - * subbuf_start_reserve - reserve bytes at the start of a sub-buffer - * @buf: relay channel buffer - * @length: number of bytes to reserve - * - * Helper function used to reserve bytes at the beginning of - * a sub-buffer in the subbuf_start() callback. - */ -static inline void subbuf_start_reserve(struct rchan_buf *buf, - size_t length) -{ - BUG_ON(length >= buf->chan->subbuf_size - 1); - buf->offset = length; -} - -/* - * exported relay file operations, fs/relayfs/inode.c - */ -extern struct file_operations relay_file_operations; - -#endif /* _LINUX_RELAYFS_FS_H */ - diff --git a/include/linux/rtc.h b/include/linux/rtc.h index b739ac1f7ca0..ab61cd1199f2 100644 --- a/include/linux/rtc.h +++ b/include/linux/rtc.h @@ -91,10 +91,102 @@ struct rtc_pll_info { #define RTC_PLL_GET _IOR('p', 0x11, struct rtc_pll_info) /* Get PLL correction */ #define RTC_PLL_SET _IOW('p', 0x12, struct rtc_pll_info) /* Set PLL correction */ +/* interrupt flags */ +#define RTC_IRQF 0x80 /* any of the following is active */ +#define RTC_PF 0x40 +#define RTC_AF 0x20 +#define RTC_UF 0x10 + #ifdef __KERNEL__ #include <linux/interrupt.h> +extern int rtc_month_days(unsigned int month, unsigned int year); +extern int rtc_valid_tm(struct rtc_time *tm); +extern int rtc_tm_to_time(struct rtc_time *tm, unsigned long *time); +extern void rtc_time_to_tm(unsigned long time, struct rtc_time *tm); + +#include <linux/device.h> +#include <linux/seq_file.h> +#include <linux/cdev.h> +#include <linux/poll.h> +#include <linux/mutex.h> + +extern struct class *rtc_class; + +struct rtc_class_ops { + int (*open)(struct device *); + void (*release)(struct device *); + int (*ioctl)(struct device *, unsigned int, unsigned long); + int (*read_time)(struct device *, struct rtc_time *); + int (*set_time)(struct device *, struct rtc_time *); + int (*read_alarm)(struct device *, struct rtc_wkalrm *); + int (*set_alarm)(struct device *, struct rtc_wkalrm *); + int (*proc)(struct device *, struct seq_file *); + int (*set_mmss)(struct device *, unsigned long secs); + int (*irq_set_state)(struct device *, int enabled); + int (*irq_set_freq)(struct device *, int freq); + int (*read_callback)(struct device *, int data); +}; + +#define RTC_DEVICE_NAME_SIZE 20 +struct rtc_task; + +struct rtc_device +{ + struct class_device class_dev; + struct module *owner; + + int id; + char name[RTC_DEVICE_NAME_SIZE]; + + struct rtc_class_ops *ops; + struct mutex ops_lock; + + struct class_device *rtc_dev; + struct cdev char_dev; + struct mutex char_lock; + + unsigned long irq_data; + spinlock_t irq_lock; + wait_queue_head_t irq_queue; + struct fasync_struct *async_queue; + + struct rtc_task *irq_task; + spinlock_t irq_task_lock; + int irq_freq; +}; +#define to_rtc_device(d) container_of(d, struct rtc_device, class_dev) + +extern struct rtc_device *rtc_device_register(const char *name, + struct device *dev, + struct rtc_class_ops *ops, + struct module *owner); +extern void rtc_device_unregister(struct rtc_device *rdev); +extern int rtc_interface_register(struct class_interface *intf); + +extern int rtc_read_time(struct class_device *class_dev, struct rtc_time *tm); +extern int rtc_set_time(struct class_device *class_dev, struct rtc_time *tm); +extern int rtc_set_mmss(struct class_device *class_dev, unsigned long secs); +extern int rtc_read_alarm(struct class_device *class_dev, + struct rtc_wkalrm *alrm); +extern int rtc_set_alarm(struct class_device *class_dev, + struct rtc_wkalrm *alrm); +extern void rtc_update_irq(struct class_device *class_dev, + unsigned long num, unsigned long events); + +extern struct class_device *rtc_class_open(char *name); +extern void rtc_class_close(struct class_device *class_dev); + +extern int rtc_irq_register(struct class_device *class_dev, + struct rtc_task *task); +extern void rtc_irq_unregister(struct class_device *class_dev, + struct rtc_task *task); +extern int rtc_irq_set_state(struct class_device *class_dev, + struct rtc_task *task, int enabled); +extern int rtc_irq_set_freq(struct class_device *class_dev, + struct rtc_task *task, int freq); + typedef struct rtc_task { void (*func)(void *private_data); void *private_data; diff --git a/include/linux/sched.h b/include/linux/sched.h index e0054c1b9a09..d04186d8cc68 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -35,6 +35,7 @@ #include <linux/topology.h> #include <linux/seccomp.h> #include <linux/rcupdate.h> +#include <linux/futex.h> #include <linux/auxvec.h> /* For AT_VECTOR_SIZE */ @@ -354,16 +355,8 @@ struct sighand_struct { atomic_t count; struct k_sigaction action[_NSIG]; spinlock_t siglock; - struct rcu_head rcu; }; -extern void sighand_free_cb(struct rcu_head *rhp); - -static inline void sighand_free(struct sighand_struct *sp) -{ - call_rcu(&sp->rcu, sighand_free_cb); -} - /* * NOTE! "signal_struct" does not have it's own * locking, because a shared signal_struct always @@ -402,6 +395,7 @@ struct signal_struct { /* ITIMER_REAL timer for the process */ struct hrtimer real_timer; + struct task_struct *tsk; ktime_t it_real_incr; /* ITIMER_PROF and ITIMER_VIRTUAL timers for the process */ @@ -758,6 +752,7 @@ struct task_struct { /* PID/PID hash table linkage. */ struct pid pids[PIDTYPE_MAX]; + struct list_head thread_group; struct completion *vfork_done; /* for vfork() */ int __user *set_child_tid; /* CLONE_CHILD_SETTID */ @@ -871,6 +866,11 @@ struct task_struct { int cpuset_mems_generation; int cpuset_mem_spread_rotor; #endif + struct robust_list_head __user *robust_list; +#ifdef CONFIG_COMPAT + struct compat_robust_list_head __user *compat_robust_list; +#endif + atomic_t fs_excl; /* holding fs exclusive resources */ struct rcu_head rcu; }; @@ -1094,7 +1094,6 @@ extern void force_sig_specific(int, struct task_struct *); extern int send_sig(int, struct task_struct *, int); extern void zap_other_threads(struct task_struct *p); extern int kill_pg(pid_t, int, int); -extern int kill_sl(pid_t, int, int); extern int kill_proc(pid_t, int, int); extern struct sigqueue *sigqueue_alloc(void); extern void sigqueue_free(struct sigqueue *); @@ -1151,10 +1150,8 @@ extern void flush_thread(void); extern void exit_thread(void); extern void exit_files(struct task_struct *); -extern void exit_signal(struct task_struct *); -extern void __exit_signal(struct task_struct *); -extern void exit_sighand(struct task_struct *); -extern void __exit_sighand(struct task_struct *); +extern void __cleanup_signal(struct signal_struct *); +extern void __cleanup_sighand(struct sighand_struct *); extern void exit_itimers(struct signal_struct *); extern NORET_TYPE void do_group_exit(int); @@ -1178,19 +1175,7 @@ extern void wait_task_inactive(task_t * p); #endif #define remove_parent(p) list_del_init(&(p)->sibling) -#define add_parent(p, parent) list_add_tail(&(p)->sibling,&(parent)->children) - -#define REMOVE_LINKS(p) do { \ - if (thread_group_leader(p)) \ - list_del_init(&(p)->tasks); \ - remove_parent(p); \ - } while (0) - -#define SET_LINKS(p) do { \ - if (thread_group_leader(p)) \ - list_add_tail(&(p)->tasks,&init_task.tasks); \ - add_parent(p, (p)->parent); \ - } while (0) +#define add_parent(p) list_add_tail(&(p)->sibling,&(p)->parent->children) #define next_task(p) list_entry((p)->tasks.next, struct task_struct, tasks) #define prev_task(p) list_entry((p)->tasks.prev, struct task_struct, tasks) @@ -1208,20 +1193,22 @@ extern void wait_task_inactive(task_t * p); #define while_each_thread(g, t) \ while ((t = next_thread(t)) != g) -extern task_t * FASTCALL(next_thread(const task_t *p)); - #define thread_group_leader(p) (p->pid == p->tgid) +static inline task_t *next_thread(task_t *p) +{ + return list_entry(rcu_dereference(p->thread_group.next), + task_t, thread_group); +} + static inline int thread_group_empty(task_t *p) { - return list_empty(&p->pids[PIDTYPE_TGID].pid_list); + return list_empty(&p->thread_group); } #define delay_group_leader(p) \ (thread_group_leader(p) && !thread_group_empty(p)) -extern void unhash_process(struct task_struct *p); - /* * Protects ->fs, ->files, ->mm, ->ptrace, ->group_info, ->comm, keyring * subscriptions and synchronises with wait4(). Also used in procfs. Also @@ -1241,6 +1228,15 @@ static inline void task_unlock(struct task_struct *p) spin_unlock(&p->alloc_lock); } +extern struct sighand_struct *lock_task_sighand(struct task_struct *tsk, + unsigned long *flags); + +static inline void unlock_task_sighand(struct task_struct *tsk, + unsigned long *flags) +{ + spin_unlock_irqrestore(&tsk->sighand->siglock, *flags); +} + #ifndef __HAVE_THREAD_FUNCTIONS #define task_thread_info(task) (task)->thread_info diff --git a/include/linux/security.h b/include/linux/security.h index b18eb8cfa639..aaa0a5cdbf75 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -869,6 +869,11 @@ struct swap_info_struct; * @ipcp contains the kernel IPC permission structure * @flag contains the desired (requested) permission set * Return 0 if permission is granted. + * @ipc_getsecurity: + * Copy the security label associated with the ipc object into + * @buffer. @buffer may be NULL to request the size of the buffer + * required. @size indicates the size of @buffer in bytes. Return + * number of bytes used/required on success. * * Security hooks for individual messages held in System V IPC message queues * @msg_msg_alloc_security: @@ -1040,6 +1045,11 @@ struct swap_info_struct; * @effective contains the effective capability set. * @inheritable contains the inheritable capability set. * @permitted contains the permitted capability set. + * @capable: + * Check whether the @tsk process has the @cap capability. + * @tsk contains the task_struct for the process. + * @cap contains the capability <include/linux/capability.h>. + * Return 0 if the capability is granted for @tsk. * @acct: * Check permission before enabling or disabling process accounting. If * accounting is being enabled, then @file refers to the open file used to @@ -1053,11 +1063,6 @@ struct swap_info_struct; * @table contains the ctl_table structure for the sysctl variable. * @op contains the operation (001 = search, 002 = write, 004 = read). * Return 0 if permission is granted. - * @capable: - * Check whether the @tsk process has the @cap capability. - * @tsk contains the task_struct for the process. - * @cap contains the capability <include/linux/capability.h>. - * Return 0 if the capability is granted for @tsk. * @syslog: * Check permission before accessing the kernel message ring or changing * logging to the console. @@ -1099,9 +1104,9 @@ struct security_operations { kernel_cap_t * effective, kernel_cap_t * inheritable, kernel_cap_t * permitted); + int (*capable) (struct task_struct * tsk, int cap); int (*acct) (struct file * file); int (*sysctl) (struct ctl_table * table, int op); - int (*capable) (struct task_struct * tsk, int cap); int (*quotactl) (int cmds, int type, int id, struct super_block * sb); int (*quota_on) (struct dentry * dentry); int (*syslog) (int type); @@ -1168,7 +1173,8 @@ struct security_operations { int (*inode_getxattr) (struct dentry *dentry, char *name); int (*inode_listxattr) (struct dentry *dentry); int (*inode_removexattr) (struct dentry *dentry, char *name); - int (*inode_getsecurity)(struct inode *inode, const char *name, void *buffer, size_t size, int err); + const char *(*inode_xattr_getsuffix) (void); + int (*inode_getsecurity)(const struct inode *inode, const char *name, void *buffer, size_t size, int err); int (*inode_setsecurity)(struct inode *inode, const char *name, const void *value, size_t size, int flags); int (*inode_listsecurity)(struct inode *inode, char *buffer, size_t buffer_size); @@ -1217,6 +1223,7 @@ struct security_operations { void (*task_to_inode)(struct task_struct *p, struct inode *inode); int (*ipc_permission) (struct kern_ipc_perm * ipcp, short flag); + int (*ipc_getsecurity)(struct kern_ipc_perm *ipcp, void *buffer, size_t size); int (*msg_msg_alloc_security) (struct msg_msg * msg); void (*msg_msg_free_security) (struct msg_msg * msg); @@ -1347,6 +1354,11 @@ static inline void security_capset_set (struct task_struct *target, security_ops->capset_set (target, effective, inheritable, permitted); } +static inline int security_capable(struct task_struct *tsk, int cap) +{ + return security_ops->capable(tsk, cap); +} + static inline int security_acct (struct file *file) { return security_ops->acct (file); @@ -1675,7 +1687,12 @@ static inline int security_inode_removexattr (struct dentry *dentry, char *name) return security_ops->inode_removexattr (dentry, name); } -static inline int security_inode_getsecurity(struct inode *inode, const char *name, void *buffer, size_t size, int err) +static inline const char *security_inode_xattr_getsuffix(void) +{ + return security_ops->inode_xattr_getsuffix(); +} + +static inline int security_inode_getsecurity(const struct inode *inode, const char *name, void *buffer, size_t size, int err) { if (unlikely (IS_PRIVATE (inode))) return 0; @@ -1870,6 +1887,11 @@ static inline int security_ipc_permission (struct kern_ipc_perm *ipcp, return security_ops->ipc_permission (ipcp, flag); } +static inline int security_ipc_getsecurity(struct kern_ipc_perm *ipcp, void *buffer, size_t size) +{ + return security_ops->ipc_getsecurity(ipcp, buffer, size); +} + static inline int security_msg_msg_alloc (struct msg_msg * msg) { return security_ops->msg_msg_alloc_security (msg); @@ -2050,6 +2072,11 @@ static inline void security_capset_set (struct task_struct *target, cap_capset_set (target, effective, inheritable, permitted); } +static inline int security_capable(struct task_struct *tsk, int cap) +{ + return cap_capable(tsk, cap); +} + static inline int security_acct (struct file *file) { return 0; @@ -2317,7 +2344,12 @@ static inline int security_inode_removexattr (struct dentry *dentry, char *name) return cap_inode_removexattr(dentry, name); } -static inline int security_inode_getsecurity(struct inode *inode, const char *name, void *buffer, size_t size, int err) +static inline const char *security_inode_xattr_getsuffix (void) +{ + return NULL ; +} + +static inline int security_inode_getsecurity(const struct inode *inode, const char *name, void *buffer, size_t size, int err) { return -EOPNOTSUPP; } @@ -2500,6 +2532,11 @@ static inline int security_ipc_permission (struct kern_ipc_perm *ipcp, return 0; } +static inline int security_ipc_getsecurity(struct kern_ipc_perm *ipcp, void *buffer, size_t size) +{ + return -EOPNOTSUPP; +} + static inline int security_msg_msg_alloc (struct msg_msg * msg) { return 0; diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h index 73b464f0926a..8e9681413726 100644 --- a/include/linux/serial_8250.h +++ b/include/linux/serial_8250.h @@ -37,6 +37,7 @@ enum { PLAT8250_DEV_LEGACY = -1, PLAT8250_DEV_PLATFORM, PLAT8250_DEV_PLATFORM1, + PLAT8250_DEV_PLATFORM2, PLAT8250_DEV_FOURPORT, PLAT8250_DEV_ACCENT, PLAT8250_DEV_BOCA, diff --git a/include/linux/serio.h b/include/linux/serio.h index aa4d6493a034..690aabca8ed0 100644 --- a/include/linux/serio.h +++ b/include/linux/serio.h @@ -119,7 +119,7 @@ static inline void serio_cleanup(struct serio *serio) } /* - * Use the following fucntions to manipulate serio's per-port + * Use the following functions to manipulate serio's per-port * driver-specific data. */ static inline void *serio_get_drvdata(struct serio *serio) @@ -133,7 +133,7 @@ static inline void serio_set_drvdata(struct serio *serio, void *data) } /* - * Use the following fucntions to protect critical sections in + * Use the following functions to protect critical sections in * driver code from port's interrupt handler */ static inline void serio_pause_rx(struct serio *serio) @@ -147,7 +147,7 @@ static inline void serio_continue_rx(struct serio *serio) } /* - * Use the following fucntions to pin serio's driver in process context + * Use the following functions to pin serio's driver in process context */ static inline int serio_pin_driver(struct serio *serio) { diff --git a/include/linux/signal.h b/include/linux/signal.h index b7d093520bb6..162a8fd10b29 100644 --- a/include/linux/signal.h +++ b/include/linux/signal.h @@ -249,6 +249,8 @@ static inline void init_sigpending(struct sigpending *sig) INIT_LIST_HEAD(&sig->list); } +extern void flush_sigqueue(struct sigpending *queue); + /* Test if 'sig' is valid signal. Use this instead of testing _NSIG directly */ static inline int valid_signal(unsigned long sig) { diff --git a/include/linux/slab.h b/include/linux/slab.h index e2ee5b268797..3af03b19c983 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -64,6 +64,7 @@ extern kmem_cache_t *kmem_cache_create(const char *, size_t, size_t, unsigned lo extern int kmem_cache_destroy(kmem_cache_t *); extern int kmem_cache_shrink(kmem_cache_t *); extern void *kmem_cache_alloc(kmem_cache_t *, gfp_t); +extern void *kmem_cache_zalloc(struct kmem_cache *, gfp_t); extern void kmem_cache_free(kmem_cache_t *, void *); extern unsigned int kmem_cache_size(kmem_cache_t *); extern const char *kmem_cache_name(kmem_cache_t *); @@ -77,11 +78,12 @@ struct cache_sizes { }; extern struct cache_sizes malloc_sizes[]; -#ifndef CONFIG_DEBUG_SLAB extern void *__kmalloc(size_t, gfp_t); +#ifndef CONFIG_DEBUG_SLAB +#define ____kmalloc(size, flags) __kmalloc(size, flags) #else extern void *__kmalloc_track_caller(size_t, gfp_t, void*); -#define __kmalloc(size, flags) \ +#define ____kmalloc(size, flags) \ __kmalloc_track_caller(size, flags, __builtin_return_address(0)) #endif @@ -108,7 +110,30 @@ found: return __kmalloc(size, flags); } -extern void *kzalloc(size_t, gfp_t); +extern void *__kzalloc(size_t, gfp_t); + +static inline void *kzalloc(size_t size, gfp_t flags) +{ + if (__builtin_constant_p(size)) { + int i = 0; +#define CACHE(x) \ + if (size <= x) \ + goto found; \ + else \ + i++; +#include "kmalloc_sizes.h" +#undef CACHE + { + extern void __you_cannot_kzalloc_that_much(void); + __you_cannot_kzalloc_that_much(); + } +found: + return kmem_cache_zalloc((flags & GFP_DMA) ? + malloc_sizes[i].cs_dmacachep : + malloc_sizes[i].cs_cachep, flags); + } + return __kzalloc(size, flags); +} /** * kcalloc - allocate memory for an array. The memory is set to zero. @@ -155,17 +180,18 @@ struct kmem_cache *kmem_cache_create(const char *c, size_t, size_t, void (*)(void *, struct kmem_cache *, unsigned long)); int kmem_cache_destroy(struct kmem_cache *c); void *kmem_cache_alloc(struct kmem_cache *c, gfp_t flags); +void *kmem_cache_zalloc(struct kmem_cache *, gfp_t); void kmem_cache_free(struct kmem_cache *c, void *b); const char *kmem_cache_name(struct kmem_cache *); void *kmalloc(size_t size, gfp_t flags); -void *kzalloc(size_t size, gfp_t flags); +void *__kzalloc(size_t size, gfp_t flags); void kfree(const void *m); unsigned int ksize(const void *m); unsigned int kmem_cache_size(struct kmem_cache *c); static inline void *kcalloc(size_t n, size_t size, gfp_t flags) { - return kzalloc(n * size, flags); + return __kzalloc(n * size, flags); } #define kmem_cache_shrink(d) (0) @@ -173,6 +199,8 @@ static inline void *kcalloc(size_t n, size_t size, gfp_t flags) #define kmem_ptr_validate(a, b) (0) #define kmem_cache_alloc_node(c, f, n) kmem_cache_alloc(c, f) #define kmalloc_node(s, f, n) kmalloc(s, f) +#define kzalloc(s, f) __kzalloc(s, f) +#define ____kmalloc kmalloc #endif /* CONFIG_SLOB */ @@ -182,7 +210,6 @@ extern kmem_cache_t *names_cachep; extern kmem_cache_t *files_cachep; extern kmem_cache_t *filp_cachep; extern kmem_cache_t *fs_cachep; -extern kmem_cache_t *signal_cachep; extern kmem_cache_t *sighand_cachep; extern kmem_cache_t *bio_cachep; diff --git a/include/linux/smp.h b/include/linux/smp.h index d699a16b0cb2..e2fa3ab4afc5 100644 --- a/include/linux/smp.h +++ b/include/linux/smp.h @@ -82,7 +82,11 @@ void smp_prepare_boot_cpu(void); */ #define raw_smp_processor_id() 0 #define hard_smp_processor_id() 0 -#define smp_call_function(func,info,retry,wait) ({ 0; }) +static inline int up_smp_call_function(void) +{ + return 0; +} +#define smp_call_function(func,info,retry,wait) (up_smp_call_function()) #define on_each_cpu(func,info,retry,wait) \ ({ \ local_irq_disable(); \ diff --git a/include/linux/sound.h b/include/linux/sound.h index 72b9af4c3fd4..f63d8342ffa3 100644 --- a/include/linux/sound.h +++ b/include/linux/sound.h @@ -30,12 +30,12 @@ */ struct device; -extern int register_sound_special(struct file_operations *fops, int unit); -extern int register_sound_special_device(struct file_operations *fops, int unit, struct device *dev); -extern int register_sound_mixer(struct file_operations *fops, int dev); -extern int register_sound_midi(struct file_operations *fops, int dev); -extern int register_sound_dsp(struct file_operations *fops, int dev); -extern int register_sound_synth(struct file_operations *fops, int dev); +extern int register_sound_special(const struct file_operations *fops, int unit); +extern int register_sound_special_device(const struct file_operations *fops, int unit, struct device *dev); +extern int register_sound_mixer(const struct file_operations *fops, int dev); +extern int register_sound_midi(const struct file_operations *fops, int dev); +extern int register_sound_dsp(const struct file_operations *fops, int dev); +extern int register_sound_synth(const struct file_operations *fops, int dev); extern void unregister_sound_special(int unit); extern void unregister_sound_mixer(int unit); diff --git a/include/linux/stat.h b/include/linux/stat.h index 8ff2a122dfef..8669291352db 100644 --- a/include/linux/stat.h +++ b/include/linux/stat.h @@ -69,7 +69,7 @@ struct kstat { struct timespec mtime; struct timespec ctime; unsigned long blksize; - unsigned long blocks; + unsigned long long blocks; }; #endif diff --git a/include/linux/statfs.h b/include/linux/statfs.h index ad83a2bdb821..b34cc829f98d 100644 --- a/include/linux/statfs.h +++ b/include/linux/statfs.h @@ -8,11 +8,11 @@ struct kstatfs { long f_type; long f_bsize; - sector_t f_blocks; - sector_t f_bfree; - sector_t f_bavail; - sector_t f_files; - sector_t f_ffree; + u64 f_blocks; + u64 f_bfree; + u64 f_bavail; + u64 f_files; + u64 f_ffree; __kernel_fsid_t f_fsid; long f_namelen; long f_frsize; diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h index c4e3ea7cf154..b5612c958cce 100644 --- a/include/linux/sunrpc/cache.h +++ b/include/linux/sunrpc/cache.h @@ -50,7 +50,7 @@ struct cache_head { time_t last_refresh; /* If CACHE_PENDING, this is when upcall * was sent, else this is when update was received */ - atomic_t refcnt; + struct kref ref; unsigned long flags; }; #define CACHE_VALID 0 /* Entry contains valid data */ @@ -68,8 +68,7 @@ struct cache_detail { atomic_t inuse; /* active user-space update or lookup */ char *name; - void (*cache_put)(struct cache_head *, - struct cache_detail*); + void (*cache_put)(struct kref *); void (*cache_request)(struct cache_detail *cd, struct cache_head *h, @@ -81,6 +80,11 @@ struct cache_detail { struct cache_detail *cd, struct cache_head *h); + struct cache_head * (*alloc)(void); + int (*match)(struct cache_head *orig, struct cache_head *new); + void (*init)(struct cache_head *orig, struct cache_head *new); + void (*update)(struct cache_head *orig, struct cache_head *new); + /* fields below this comment are for internal use * and should not be touched by cache owners */ @@ -123,126 +127,14 @@ struct cache_deferred_req { int too_many); }; -/* - * just like a template in C++, this macro does cache lookup - * for us. - * The function is passed some sort of HANDLE from which a cache_detail - * structure can be determined (via SETUP, DETAIL), a template - * cache entry (type RTN*), and a "set" flag. Using the HASHFN and the - * TEST, the function will try to find a matching cache entry in the cache. - * If "set" == 0 : - * If an entry is found, it is returned - * If no entry is found, a new non-VALID entry is created. - * If "set" == 1 and INPLACE == 0 : - * If no entry is found a new one is inserted with data from "template" - * If a non-CACHE_VALID entry is found, it is updated from template using UPDATE - * If a CACHE_VALID entry is found, a new entry is swapped in with data - * from "template" - * If set == 1, and INPLACE == 1 : - * As above, except that if a CACHE_VALID entry is found, we UPDATE in place - * instead of swapping in a new entry. - * - * If the passed handle has the CACHE_NEGATIVE flag set, then UPDATE is not - * run but insteead CACHE_NEGATIVE is set in any new item. - * In any case, the new entry is returned with a reference count. - * - * - * RTN is a struct type for a cache entry - * MEMBER is the member of the cache which is cache_head, which must be first - * FNAME is the name for the function - * ARGS are arguments to function and must contain RTN *item, int set. May - * also contain something to be usedby SETUP or DETAIL to find cache_detail. - * SETUP locates the cache detail and makes it available as... - * DETAIL identifies the cache detail, possibly set up by SETUP - * HASHFN returns a hash value of the cache entry "item" - * TEST tests if "tmp" matches "item" - * INIT copies key information from "item" to "new" - * UPDATE copies content information from "item" to "tmp" - * INPLACE is true if updates can happen inplace rather than allocating a new structure - * - * WARNING: any substantial changes to this must be reflected in - * net/sunrpc/svcauth.c(auth_domain_lookup) - * which is a similar routine that is open-coded. - */ -#define DefineCacheLookup(RTN,MEMBER,FNAME,ARGS,SETUP,DETAIL,HASHFN,TEST,INIT,UPDATE,INPLACE) \ -RTN *FNAME ARGS \ -{ \ - RTN *tmp, *new=NULL; \ - struct cache_head **hp, **head; \ - SETUP; \ - head = &(DETAIL)->hash_table[HASHFN]; \ - retry: \ - if (set||new) write_lock(&(DETAIL)->hash_lock); \ - else read_lock(&(DETAIL)->hash_lock); \ - for(hp=head; *hp != NULL; hp = &tmp->MEMBER.next) { \ - tmp = container_of(*hp, RTN, MEMBER); \ - if (TEST) { /* found a match */ \ - \ - if (set && !INPLACE && test_bit(CACHE_VALID, &tmp->MEMBER.flags) && !new) \ - break; \ - \ - if (new) \ - {INIT;} \ - if (set) { \ - if (!INPLACE && test_bit(CACHE_VALID, &tmp->MEMBER.flags))\ - { /* need to swap in new */ \ - RTN *t2; \ - \ - new->MEMBER.next = tmp->MEMBER.next; \ - *hp = &new->MEMBER; \ - tmp->MEMBER.next = NULL; \ - t2 = tmp; tmp = new; new = t2; \ - } \ - if (test_bit(CACHE_NEGATIVE, &item->MEMBER.flags)) \ - set_bit(CACHE_NEGATIVE, &tmp->MEMBER.flags); \ - else { \ - UPDATE; \ - clear_bit(CACHE_NEGATIVE, &tmp->MEMBER.flags); \ - } \ - } \ - cache_get(&tmp->MEMBER); \ - if (set||new) write_unlock(&(DETAIL)->hash_lock); \ - else read_unlock(&(DETAIL)->hash_lock); \ - if (set) \ - cache_fresh(DETAIL, &tmp->MEMBER, item->MEMBER.expiry_time); \ - if (set && !INPLACE && new) cache_fresh(DETAIL, &new->MEMBER, 0); \ - if (new) (DETAIL)->cache_put(&new->MEMBER, DETAIL); \ - return tmp; \ - } \ - } \ - /* Didn't find anything */ \ - if (new) { \ - INIT; \ - new->MEMBER.next = *head; \ - *head = &new->MEMBER; \ - (DETAIL)->entries ++; \ - cache_get(&new->MEMBER); \ - if (set) { \ - tmp = new; \ - if (test_bit(CACHE_NEGATIVE, &item->MEMBER.flags)) \ - set_bit(CACHE_NEGATIVE, &tmp->MEMBER.flags); \ - else {UPDATE;} \ - } \ - } \ - if (set||new) write_unlock(&(DETAIL)->hash_lock); \ - else read_unlock(&(DETAIL)->hash_lock); \ - if (new && set) \ - cache_fresh(DETAIL, &new->MEMBER, item->MEMBER.expiry_time); \ - if (new) \ - return new; \ - new = kmalloc(sizeof(*new), GFP_KERNEL); \ - if (new) { \ - cache_init(&new->MEMBER); \ - goto retry; \ - } \ - return NULL; \ -} +extern struct cache_head * +sunrpc_cache_lookup(struct cache_detail *detail, + struct cache_head *key, int hash); +extern struct cache_head * +sunrpc_cache_update(struct cache_detail *detail, + struct cache_head *new, struct cache_head *old, int hash); -#define DefineSimpleCacheLookup(STRUCT,INPLACE) \ - DefineCacheLookup(struct STRUCT, h, STRUCT##_lookup, (struct STRUCT *item, int set), /*no setup */, \ - & STRUCT##_cache, STRUCT##_hash(item), STRUCT##_match(item, tmp),\ - STRUCT##_init(new, item), STRUCT##_update(tmp, item),INPLACE) #define cache_for_each(pos, detail, index, member) \ for (({read_lock(&(detail)->hash_lock); index = (detail)->hash_size;}) ; \ @@ -258,22 +150,19 @@ extern void cache_clean_deferred(void *owner); static inline struct cache_head *cache_get(struct cache_head *h) { - atomic_inc(&h->refcnt); + kref_get(&h->ref); return h; } -static inline int cache_put(struct cache_head *h, struct cache_detail *cd) +static inline void cache_put(struct cache_head *h, struct cache_detail *cd) { - if (atomic_read(&h->refcnt) <= 2 && + if (atomic_read(&h->ref.refcount) <= 2 && h->expiry_time < cd->nextcheck) cd->nextcheck = h->expiry_time; - return atomic_dec_and_test(&h->refcnt); + kref_put(&h->ref, cd->cache_put); } -extern void cache_init(struct cache_head *h); -extern void cache_fresh(struct cache_detail *detail, - struct cache_head *head, time_t expiry); extern int cache_check(struct cache_detail *detail, struct cache_head *h, struct cache_req *rqstp); extern void cache_flush(void); diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h index f147e6b84332..8fe9f35eba31 100644 --- a/include/linux/sunrpc/clnt.h +++ b/include/linux/sunrpc/clnt.h @@ -45,7 +45,8 @@ struct rpc_clnt { char * cl_server; /* server machine name */ char * cl_protname; /* protocol name */ struct rpc_auth * cl_auth; /* authenticator */ - struct rpc_stat * cl_stats; /* statistics */ + struct rpc_stat * cl_stats; /* per-program statistics */ + struct rpc_iostats * cl_metrics; /* per-client statistics */ unsigned int cl_softrtry : 1,/* soft timeouts */ cl_intr : 1,/* interruptible */ @@ -59,6 +60,7 @@ struct rpc_clnt { int cl_nodelen; /* nodename length */ char cl_nodename[UNX_MAXNODENAME]; char cl_pathname[30];/* Path in rpc_pipe_fs */ + struct vfsmount * cl_vfsmnt; struct dentry * cl_dentry; /* inode */ struct rpc_clnt * cl_parent; /* Points to parent of clones */ struct rpc_rtt cl_rtt_default; @@ -100,6 +102,8 @@ struct rpc_procinfo { unsigned int p_bufsiz; /* req. buffer size */ unsigned int p_count; /* call count */ unsigned int p_timer; /* Which RTT timer to use */ + u32 p_statidx; /* Which procedure to account */ + char * p_name; /* name of procedure */ }; #define RPC_CONGESTED(clnt) (RPCXPRT_CONGESTED((clnt)->cl_xprt)) @@ -137,20 +141,6 @@ size_t rpc_max_payload(struct rpc_clnt *); void rpc_force_rebind(struct rpc_clnt *); int rpc_ping(struct rpc_clnt *clnt, int flags); -static __inline__ -int rpc_call(struct rpc_clnt *clnt, u32 proc, void *argp, void *resp, int flags) -{ - struct rpc_message msg = { - .rpc_proc = &clnt->cl_procinfo[proc], - .rpc_argp = argp, - .rpc_resp = resp, - .rpc_cred = NULL - }; - return rpc_call_sync(clnt, &msg, flags); -} - -extern void rpciod_wake_up(void); - /* * Helper function for NFSroot support */ diff --git a/include/linux/sunrpc/gss_krb5.h b/include/linux/sunrpc/gss_krb5.h index 2c3601d31045..1279280d7196 100644 --- a/include/linux/sunrpc/gss_krb5.h +++ b/include/linux/sunrpc/gss_krb5.h @@ -53,6 +53,8 @@ struct krb5_ctx { struct xdr_netobj mech_used; }; +extern spinlock_t krb5_seq_lock; + #define KG_TOK_MIC_MSG 0x0101 #define KG_TOK_WRAP_MSG 0x0201 diff --git a/include/linux/sunrpc/metrics.h b/include/linux/sunrpc/metrics.h new file mode 100644 index 000000000000..8f96e9dc369a --- /dev/null +++ b/include/linux/sunrpc/metrics.h @@ -0,0 +1,77 @@ +/* + * linux/include/linux/sunrpc/metrics.h + * + * Declarations for RPC client per-operation metrics + * + * Copyright (C) 2005 Chuck Lever <cel@netapp.com> + * + * RPC client per-operation statistics provide latency and retry + * information about each type of RPC procedure in a given RPC program. + * These statistics are not for detailed problem diagnosis, but simply + * to indicate whether the problem is local or remote. + * + * These counters are not meant to be human-readable, but are meant to be + * integrated into system monitoring tools such as "sar" and "iostat". As + * such, the counters are sampled by the tools over time, and are never + * zeroed after a file system is mounted. Moving averages can be computed + * by the tools by taking the difference between two instantaneous samples + * and dividing that by the time between the samples. + * + * The counters are maintained in a single array per RPC client, indexed + * by procedure number. There is no need to maintain separate counter + * arrays per-CPU because these counters are always modified behind locks. + */ + +#ifndef _LINUX_SUNRPC_METRICS_H +#define _LINUX_SUNRPC_METRICS_H + +#include <linux/seq_file.h> + +#define RPC_IOSTATS_VERS "1.0" + +struct rpc_iostats { + /* + * These counters give an idea about how many request + * transmissions are required, on average, to complete that + * particular procedure. Some procedures may require more + * than one transmission because the server is unresponsive, + * the client is retransmitting too aggressively, or the + * requests are large and the network is congested. + */ + unsigned long om_ops, /* count of operations */ + om_ntrans, /* count of RPC transmissions */ + om_timeouts; /* count of major timeouts */ + + /* + * These count how many bytes are sent and received for a + * given RPC procedure type. This indicates how much load a + * particular procedure is putting on the network. These + * counts include the RPC and ULP headers, and the request + * payload. + */ + unsigned long long om_bytes_sent, /* count of bytes out */ + om_bytes_recv; /* count of bytes in */ + + /* + * The length of time an RPC request waits in queue before + * transmission, the network + server latency of the request, + * and the total time the request spent from init to release + * are measured. + */ + unsigned long long om_queue, /* jiffies queued for xmit */ + om_rtt, /* jiffies for RPC RTT */ + om_execute; /* jiffies for RPC execution */ +} ____cacheline_aligned; + +struct rpc_task; +struct rpc_clnt; + +/* + * EXPORTed functions for managing rpc_iostats structures + */ +struct rpc_iostats * rpc_alloc_iostats(struct rpc_clnt *); +void rpc_count_iostats(struct rpc_task *); +void rpc_print_iostats(struct seq_file *, struct rpc_clnt *); +void rpc_free_iostats(struct rpc_iostats *); + +#endif /* _LINUX_SUNRPC_METRICS_H */ diff --git a/include/linux/sunrpc/rpc_pipe_fs.h b/include/linux/sunrpc/rpc_pipe_fs.h index 63929349571f..2c2189cb30aa 100644 --- a/include/linux/sunrpc/rpc_pipe_fs.h +++ b/include/linux/sunrpc/rpc_pipe_fs.h @@ -45,6 +45,8 @@ extern struct dentry *rpc_mkdir(char *, struct rpc_clnt *); extern int rpc_rmdir(char *); extern struct dentry *rpc_mkpipe(char *, void *, struct rpc_pipe_ops *, int flags); extern int rpc_unlink(char *); +extern struct vfsmount *rpc_get_mount(void); +extern void rpc_put_mount(void); #endif #endif diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h index 8b25629accd8..82a91bb22362 100644 --- a/include/linux/sunrpc/sched.h +++ b/include/linux/sunrpc/sched.h @@ -86,6 +86,12 @@ struct rpc_task { struct work_struct tk_work; /* Async task work queue */ struct rpc_wait tk_wait; /* RPC wait */ } u; + + unsigned short tk_timeouts; /* maj timeouts */ + size_t tk_bytes_sent; /* total bytes sent */ + unsigned long tk_start; /* RPC task init timestamp */ + long tk_rtt; /* round-trip time (jiffies) */ + #ifdef RPC_DEBUG unsigned short tk_pid; /* debugging aid */ #endif @@ -203,6 +209,7 @@ struct rpc_wait_queue { unsigned char priority; /* current priority */ unsigned char count; /* # task groups remaining serviced so far */ unsigned char nr; /* # tasks remaining for cookie */ + unsigned short qlen; /* total # tasks waiting in queue */ #ifdef RPC_DEBUG const char * name; #endif @@ -269,13 +276,13 @@ void * rpc_malloc(struct rpc_task *, size_t); void rpc_free(struct rpc_task *); int rpciod_up(void); void rpciod_down(void); -void rpciod_wake_up(void); int __rpc_wait_for_completion_task(struct rpc_task *task, int (*)(void *)); #ifdef RPC_DEBUG void rpc_show_tasks(void); #endif int rpc_init_mempool(void); void rpc_destroy_mempool(void); +extern struct workqueue_struct *rpciod_workqueue; static inline void rpc_exit(struct rpc_task *task, int status) { diff --git a/include/linux/sunrpc/stats.h b/include/linux/sunrpc/stats.h index 0d6ed3c8bdc4..d93c24b47f3f 100644 --- a/include/linux/sunrpc/stats.h +++ b/include/linux/sunrpc/stats.h @@ -50,7 +50,7 @@ struct proc_dir_entry * rpc_proc_register(struct rpc_stat *); void rpc_proc_unregister(const char *); void rpc_proc_zero(struct rpc_program *); struct proc_dir_entry * svc_proc_register(struct svc_stat *, - struct file_operations *); + const struct file_operations *); void svc_proc_unregister(const char *); void svc_seq_show(struct seq_file *, @@ -65,7 +65,7 @@ static inline void rpc_proc_unregister(const char *p) {} static inline void rpc_proc_zero(struct rpc_program *p) {} static inline struct proc_dir_entry *svc_proc_register(struct svc_stat *s, - struct file_operations *f) { return NULL; } + const struct file_operations *f) { return NULL; } static inline void svc_proc_unregister(const char *p) {} static inline void svc_seq_show(struct seq_file *seq, diff --git a/include/linux/sunrpc/svcauth.h b/include/linux/sunrpc/svcauth.h index c119ce7cbd22..2fe2087edd66 100644 --- a/include/linux/sunrpc/svcauth.h +++ b/include/linux/sunrpc/svcauth.h @@ -45,9 +45,10 @@ struct svc_rqst; /* forward decl */ * of ip addresses to the given client. */ struct auth_domain { - struct cache_head h; + struct kref ref; + struct hlist_node hash; char *name; - int flavour; + struct auth_ops *flavour; }; /* @@ -86,6 +87,9 @@ struct auth_domain { * * domain_release() * This call releases a domain. + * set_client() + * Givens a pending request (struct svc_rqst), finds and assigns + * an appropriate 'auth_domain' as the client. */ struct auth_ops { char * name; @@ -117,7 +121,7 @@ extern void svc_auth_unregister(rpc_authflavor_t flavor); extern struct auth_domain *unix_domain_find(char *name); extern void auth_domain_put(struct auth_domain *item); extern int auth_unix_add_addr(struct in_addr addr, struct auth_domain *dom); -extern struct auth_domain *auth_domain_lookup(struct auth_domain *item, int set); +extern struct auth_domain *auth_domain_lookup(char *name, struct auth_domain *new); extern struct auth_domain *auth_domain_find(char *name); extern struct auth_domain *auth_unix_lookup(struct in_addr addr); extern int auth_unix_forget_old(struct auth_domain *dom); @@ -160,8 +164,6 @@ static inline unsigned long hash_mem(char *buf, int length, int bits) return hash >> (BITS_PER_LONG - bits); } -extern struct cache_detail auth_domain_cache, ip_map_cache; - #endif /* __KERNEL__ */ #endif /* _LINUX_SUNRPC_SVCAUTH_H_ */ diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h index 6ef99b14ff09..7eebbab7160b 100644 --- a/include/linux/sunrpc/xprt.h +++ b/include/linux/sunrpc/xprt.h @@ -114,6 +114,7 @@ struct rpc_xprt_ops { void (*release_request)(struct rpc_task *task); void (*close)(struct rpc_xprt *xprt); void (*destroy)(struct rpc_xprt *xprt); + void (*print_stats)(struct rpc_xprt *xprt, struct seq_file *seq); }; struct rpc_xprt { @@ -187,6 +188,18 @@ struct rpc_xprt { struct list_head recv; + struct { + unsigned long bind_count, /* total number of binds */ + connect_count, /* total number of connects */ + connect_start, /* connect start timestamp */ + connect_time, /* jiffies waiting for connect */ + sends, /* how many complete requests */ + recvs, /* how many complete requests */ + bad_xids; /* lookup_rqst didn't find XID */ + + unsigned long long req_u, /* average requests on the wire */ + bklog_u; /* backlog queue utilization */ + } stat; void (*old_data_ready)(struct sock *, int); void (*old_state_change)(struct sock *); diff --git a/include/linux/synclink.h b/include/linux/synclink.h index 1b7cd8d1a71b..2993302f7923 100644 --- a/include/linux/synclink.h +++ b/include/linux/synclink.h @@ -1,7 +1,7 @@ /* * SyncLink Multiprotocol Serial Adapter Driver * - * $Id: synclink.h,v 3.10 2005/11/08 19:50:54 paulkf Exp $ + * $Id: synclink.h,v 3.11 2006/02/06 21:20:29 paulkf Exp $ * * Copyright (C) 1998-2000 by Microgate Corporation * @@ -221,6 +221,12 @@ struct mgsl_icount { __u32 rxidle; }; +struct gpio_desc { + __u32 state; + __u32 smask; + __u32 dir; + __u32 dmask; +}; #define DEBUG_LEVEL_DATA 1 #define DEBUG_LEVEL_ERROR 2 @@ -276,5 +282,8 @@ struct mgsl_icount { #define MGSL_IOCLOOPTXDONE _IO(MGSL_MAGIC_IOC,9) #define MGSL_IOCSIF _IO(MGSL_MAGIC_IOC,10) #define MGSL_IOCGIF _IO(MGSL_MAGIC_IOC,11) +#define MGSL_IOCSGPIO _IOW(MGSL_MAGIC_IOC,16,struct gpio_desc) +#define MGSL_IOCGGPIO _IOR(MGSL_MAGIC_IOC,17,struct gpio_desc) +#define MGSL_IOCWAITGPIO _IOWR(MGSL_MAGIC_IOC,18,struct gpio_desc) #endif /* _SYNCLINK_H_ */ diff --git a/include/linux/threads.h b/include/linux/threads.h index b59738ac6197..e646bcdf2614 100644 --- a/include/linux/threads.h +++ b/include/linux/threads.h @@ -28,7 +28,8 @@ #define PID_MAX_DEFAULT (CONFIG_BASE_SMALL ? 0x1000 : 0x8000) /* - * A maximum of 4 million PIDs should be enough for a while: + * A maximum of 4 million PIDs should be enough for a while. + * [NOTE: PID/TIDs are limited to 2^29 ~= 500+ million, see futex.h.] */ #define PID_MAX_LIMIT (CONFIG_BASE_SMALL ? PAGE_SIZE * 8 : \ (sizeof(long) > 4 ? 4 * 1024 * 1024 : PID_MAX_DEFAULT)) diff --git a/include/linux/time.h b/include/linux/time.h index d9cdba54b789..0cd696cee998 100644 --- a/include/linux/time.h +++ b/include/linux/time.h @@ -73,12 +73,6 @@ extern void set_normalized_timespec(struct timespec *ts, time_t sec, long nsec); #define timespec_valid(ts) \ (((ts)->tv_sec >= 0) && (((unsigned long) (ts)->tv_nsec) < NSEC_PER_SEC)) -/* - * 64-bit nanosec type. Large enough to span 292+ years in nanosecond - * resolution. Ought to be enough for a while. - */ -typedef s64 nsec_t; - extern struct timespec xtime; extern struct timespec wall_to_monotonic; extern seqlock_t xtime_lock; @@ -101,6 +95,7 @@ extern long do_utimes(int dfd, char __user *filename, struct timeval *times); struct itimerval; extern int do_setitimer(int which, struct itimerval *value, struct itimerval *ovalue); +extern unsigned int alarm_setitimer(unsigned int seconds); extern int do_getitimer(int which, struct itimerval *value); extern void getnstimeofday(struct timespec *tv); @@ -113,9 +108,9 @@ extern struct timespec timespec_trunc(struct timespec t, unsigned gran); * Returns the scalar nanosecond representation of the timespec * parameter. */ -static inline nsec_t timespec_to_ns(const struct timespec *ts) +static inline s64 timespec_to_ns(const struct timespec *ts) { - return ((nsec_t) ts->tv_sec * NSEC_PER_SEC) + ts->tv_nsec; + return ((s64) ts->tv_sec * NSEC_PER_SEC) + ts->tv_nsec; } /** @@ -125,9 +120,9 @@ static inline nsec_t timespec_to_ns(const struct timespec *ts) * Returns the scalar nanosecond representation of the timeval * parameter. */ -static inline nsec_t timeval_to_ns(const struct timeval *tv) +static inline s64 timeval_to_ns(const struct timeval *tv) { - return ((nsec_t) tv->tv_sec * NSEC_PER_SEC) + + return ((s64) tv->tv_sec * NSEC_PER_SEC) + tv->tv_usec * NSEC_PER_USEC; } @@ -137,7 +132,7 @@ static inline nsec_t timeval_to_ns(const struct timeval *tv) * * Returns the timespec representation of the nsec parameter. */ -extern struct timespec ns_to_timespec(const nsec_t nsec); +extern struct timespec ns_to_timespec(const s64 nsec); /** * ns_to_timeval - Convert nanoseconds to timeval @@ -145,7 +140,7 @@ extern struct timespec ns_to_timespec(const nsec_t nsec); * * Returns the timeval representation of the nsec parameter. */ -extern struct timeval ns_to_timeval(const nsec_t nsec); +extern struct timeval ns_to_timeval(const s64 nsec); #endif /* __KERNEL__ */ diff --git a/include/linux/timer.h b/include/linux/timer.h index 9b9877fd2505..b5caabca553c 100644 --- a/include/linux/timer.h +++ b/include/linux/timer.h @@ -69,13 +69,13 @@ extern unsigned long next_timer_interrupt(void); * @timer: the timer to be added * * The kernel will do a ->function(->data) callback from the - * timer interrupt at the ->expired point in the future. The + * timer interrupt at the ->expires point in the future. The * current time is 'jiffies'. * - * The timer's ->expired, ->function (and if the handler uses it, ->data) + * The timer's ->expires, ->function (and if the handler uses it, ->data) * fields must be set prior calling this function. * - * Timers with an ->expired field in the past will be executed in the next + * Timers with an ->expires field in the past will be executed in the next * timer tick. */ static inline void add_timer(struct timer_list *timer) @@ -96,6 +96,7 @@ static inline void add_timer(struct timer_list *timer) extern void init_timers(void); extern void run_local_timers(void); -extern int it_real_fn(void *); +struct hrtimer; +extern int it_real_fn(struct hrtimer *); #endif diff --git a/include/linux/timex.h b/include/linux/timex.h index b7ca1204e42a..03914b7e41b1 100644 --- a/include/linux/timex.h +++ b/include/linux/timex.h @@ -97,38 +97,11 @@ #define MAXPHASE 512000L /* max phase error (us) */ #define MAXFREQ (512L << SHIFT_USEC) /* max frequency error (ppm) */ -#define MAXTIME (200L << PPS_AVG) /* max PPS error (jitter) (200 us) */ #define MINSEC 16L /* min interval between updates (s) */ #define MAXSEC 1200L /* max interval between updates (s) */ #define NTP_PHASE_LIMIT (MAXPHASE << 5) /* beyond max. dispersion */ /* - * The following defines are used only if a pulse-per-second (PPS) - * signal is available and connected via a modem control lead, such as - * produced by the optional ppsclock feature incorporated in the Sun - * asynch driver. They establish the design parameters of the frequency- - * lock loop used to discipline the CPU clock oscillator to the PPS - * signal. - * - * PPS_AVG is the averaging factor for the frequency loop, as well as - * the time and frequency dispersion. - * - * PPS_SHIFT and PPS_SHIFTMAX specify the minimum and maximum - * calibration intervals, respectively, in seconds as a power of two. - * - * PPS_VALID is the maximum interval before the PPS signal is considered - * invalid and protocol updates used directly instead. - * - * MAXGLITCH is the maximum interval before a time offset of more than - * MAXTIME is believed. - */ -#define PPS_AVG 2 /* pps averaging constant (shift) */ -#define PPS_SHIFT 2 /* min interval duration (s) (shift) */ -#define PPS_SHIFTMAX 8 /* max interval duration (s) (shift) */ -#define PPS_VALID 120 /* pps signal watchdog max (s) */ -#define MAXGLITCH 30 /* pps signal glitch max (s) */ - -/* * syscall interface - used (mainly by NTP daemon) * to discipline kernel clock oscillator */ @@ -246,20 +219,6 @@ extern long time_reftime; /* time at last adjustment (s) */ extern long time_adjust; /* The amount of adjtime left */ extern long time_next_adjust; /* Value for time_adjust at next tick */ -/* interface variables pps->timer interrupt */ -extern long pps_offset; /* pps time offset (us) */ -extern long pps_jitter; /* time dispersion (jitter) (us) */ -extern long pps_freq; /* frequency offset (scaled ppm) */ -extern long pps_stabil; /* frequency dispersion (scaled ppm) */ -extern long pps_valid; /* pps signal watchdog counter */ - -/* interface variables pps->adjtimex */ -extern int pps_shift; /* interval duration (s) (shift) */ -extern long pps_jitcnt; /* jitter limit exceeded */ -extern long pps_calcnt; /* calibration intervals */ -extern long pps_errcnt; /* calibration errors */ -extern long pps_stbcnt; /* stability limit exceeded */ - /** * ntp_clear - Clears the NTP state variables * @@ -348,6 +307,8 @@ time_interpolator_reset(void) /* Returns how long ticks are at present, in ns / 2^(SHIFT_SCALE-10). */ extern u64 current_tick_length(void); +extern int do_adjtimex(struct timex *); + #endif /* KERNEL */ #endif /* LINUX_TIMEX_H */ diff --git a/include/linux/topology.h b/include/linux/topology.h index e8eb0040ce3a..a305ae2e44b6 100644 --- a/include/linux/topology.h +++ b/include/linux/topology.h @@ -164,6 +164,15 @@ .nr_balance_failed = 0, \ } +#ifdef CONFIG_SCHED_MC +#ifndef SD_MC_INIT +/* for now its same as SD_CPU_INIT. + * TBD: Tune Domain parameters! + */ +#define SD_MC_INIT SD_CPU_INIT +#endif +#endif + #ifdef CONFIG_NUMA #ifndef SD_NODE_INIT #error Please define an appropriate SD_NODE_INIT in include/asm/topology.h!!! diff --git a/include/linux/tty_flip.h b/include/linux/tty_flip.h index 0c6169fff366..0976a163b459 100644 --- a/include/linux/tty_flip.h +++ b/include/linux/tty_flip.h @@ -2,8 +2,8 @@ #define _LINUX_TTY_FLIP_H extern int tty_buffer_request_room(struct tty_struct *tty, size_t size); -extern int tty_insert_flip_string(struct tty_struct *tty, unsigned char *chars, size_t size); -extern int tty_insert_flip_string_flags(struct tty_struct *tty, unsigned char *chars, char *flags, size_t size); +extern int tty_insert_flip_string(struct tty_struct *tty, const unsigned char *chars, size_t size); +extern int tty_insert_flip_string_flags(struct tty_struct *tty, const unsigned char *chars, const char *flags, size_t size); extern int tty_prepare_flip_string(struct tty_struct *tty, unsigned char **chars, size_t size); extern int tty_prepare_flip_string_flags(struct tty_struct *tty, unsigned char **chars, char **flags, size_t size); diff --git a/include/linux/types.h b/include/linux/types.h index 54ae2d59e71b..1046c7ad86d9 100644 --- a/include/linux/types.h +++ b/include/linux/types.h @@ -137,6 +137,10 @@ typedef __s64 int64_t; typedef unsigned long sector_t; #endif +#ifndef HAVE_BLKCNT_T +typedef unsigned long blkcnt_t; +#endif + /* * The type of an index into the pagecache. Use a #define so asm/types.h * can override it. diff --git a/include/linux/udf_fs_i.h b/include/linux/udf_fs_i.h index 1e7508420fcf..ffaf05679ffb 100644 --- a/include/linux/udf_fs_i.h +++ b/include/linux/udf_fs_i.h @@ -15,27 +15,6 @@ #ifdef __KERNEL__ -#ifndef _ECMA_167_H -typedef struct -{ - __u32 logicalBlockNum; - __u16 partitionReferenceNum; -} __attribute__ ((packed)) lb_addr; - -typedef struct -{ - __u32 extLength; - __u32 extPosition; -} __attribute__ ((packed)) short_ad; - -typedef struct -{ - __u32 extLength; - lb_addr extLocation; - __u8 impUse[6]; -} __attribute__ ((packed)) long_ad; -#endif - struct udf_inode_info { struct timespec i_crtime; diff --git a/include/linux/ufs_fs.h b/include/linux/ufs_fs.h index b0ffe4356e5a..843aeaaa79d4 100644 --- a/include/linux/ufs_fs.h +++ b/include/linux/ufs_fs.h @@ -895,7 +895,7 @@ extern void ufs_set_link(struct inode *, struct ufs_dir_entry *, struct buffer_h /* file.c */ extern struct inode_operations ufs_file_inode_operations; -extern struct file_operations ufs_file_operations; +extern const struct file_operations ufs_file_operations; extern struct address_space_operations ufs_aops; @@ -915,7 +915,7 @@ extern struct buffer_head * ufs_bread (struct inode *, unsigned, int, int *); extern int ufs_getfrag_block (struct inode *inode, sector_t fragment, struct buffer_head *bh_result, int create); /* namei.c */ -extern struct file_operations ufs_dir_operations; +extern const struct file_operations ufs_dir_operations; /* super.c */ extern void ufs_warning (struct super_block *, const char *, const char *, ...) __attribute__ ((format (printf, 3, 4))); diff --git a/include/linux/usb.h b/include/linux/usb.h index 130d125fda12..e34e5e3dce52 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -615,7 +615,7 @@ extern struct bus_type usb_bus_type; */ struct usb_class_driver { char *name; - struct file_operations *fops; + const struct file_operations *fops; int minor_base; }; diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index 724cfbf54b8a..af2d6155d3fe 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -75,7 +75,7 @@ struct video_device int minor; /* device ops + callbacks */ - struct file_operations *fops; + const struct file_operations *fops; void (*release)(struct video_device *vfd); @@ -883,6 +883,7 @@ struct v4l2_modulator #define V4L2_TUNER_MODE_LANG2 0x0002 #define V4L2_TUNER_MODE_SAP 0x0002 #define V4L2_TUNER_MODE_LANG1 0x0003 +#define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 struct v4l2_frequency { diff --git a/include/linux/x1205.h b/include/linux/x1205.h deleted file mode 100644 index 64fd3af894a5..000000000000 --- a/include/linux/x1205.h +++ /dev/null @@ -1,31 +0,0 @@ -/* - * x1205.h - defines for drivers/i2c/chips/x1205.c - * Copyright 2004 Karen Spearel - * Copyright 2005 Alessandro Zummo - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#ifndef __LINUX_X1205_H__ -#define __LINUX_X1205_H__ - -/* commands */ - -#define X1205_CMD_GETDATETIME 0 -#define X1205_CMD_SETTIME 1 -#define X1205_CMD_SETDATETIME 2 -#define X1205_CMD_GETALARM 3 -#define X1205_CMD_SETALARM 4 -#define X1205_CMD_GETDTRIM 5 -#define X1205_CMD_SETDTRIM 6 -#define X1205_CMD_GETATRIM 7 -#define X1205_CMD_SETATRIM 8 - -extern int x1205_do_command(unsigned int cmd, void *arg); -extern int x1205_direct_attach(int adapter_id, - struct i2c_client_address_data *address_data); - -#endif /* __LINUX_X1205_H__ */ diff --git a/include/linux/zorro.h b/include/linux/zorro.h index ba5b72768bbe..2f135cf6eef1 100644 --- a/include/linux/zorro.h +++ b/include/linux/zorro.h @@ -271,39 +271,6 @@ static inline void zorro_set_drvdata (struct zorro_dev *z, void *data) } -/* - * A helper function which helps ensure correct zorro_driver - * setup and cleanup for commonly-encountered hotplug/modular cases - * - * This MUST stay in a header, as it checks for -DMODULE - */ -static inline int zorro_module_init(struct zorro_driver *drv) -{ - int rc = zorro_register_driver(drv); - - if (rc > 0) - return 0; - - /* iff CONFIG_HOTPLUG and built into kernel, we should - * leave the driver around for future hotplug events. - * For the module case, a hotplug daemon of some sort - * should load a module in response to an insert event. */ -#if defined(CONFIG_HOTPLUG) && !defined(MODULE) - if (rc == 0) - return 0; -#else - if (rc == 0) - rc = -ENODEV; -#endif - - /* if we get here, we need to clean up Zorro driver instance - * and return some sort of error */ - zorro_unregister_driver(drv); - - return rc; -} - - /* * Bitmask indicating portions of available Zorro II RAM that are unused * by the system. Every bit represents a 64K chunk, for a maximum of 8MB diff --git a/include/media/audiochip.h b/include/media/audiochip.h index 295d256ee811..1fd4a2207574 100644 --- a/include/media/audiochip.h +++ b/include/media/audiochip.h @@ -21,18 +21,4 @@ enum audiochip { AUDIO_CHIP_MSP34XX }; -/* ---------------------------------------------------------------------- */ - -/* audio inputs */ -#define AUDIO_TUNER 0x00 -#define AUDIO_RADIO 0x01 -#define AUDIO_EXTERN 0x02 -#define AUDIO_INTERN 0x03 -#define AUDIO_OFF 0x04 -#define AUDIO_ON 0x05 -#define AUDIO_EXTERN_1 AUDIO_EXTERN -#define AUDIO_EXTERN_2 0x06 -#define AUDIO_MUTE 0x80 -#define AUDIO_UNMUTE 0x81 - #endif /* AUDIOCHIP_H */ diff --git a/include/media/cs53l32a.h b/include/media/cs53l32a.h new file mode 100644 index 000000000000..bf76197d3790 --- /dev/null +++ b/include/media/cs53l32a.h @@ -0,0 +1,34 @@ +/* + cs53l32a.h - definition for cs53l32a inputs and outputs + + Copyright (C) 2006 Hans Verkuil (hverkuil@xs4all.nl) + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#ifndef _CS53L32A_H_ +#define _CS53L32A_H_ + +/* There are 2 physical inputs, but the second input can be + placed in two modes, the first mode bypasses the PGA (gain), + the second goes through the PGA. Hence there are three + possible inputs to choose from. */ + +/* CS53L32A HW inputs */ +#define CS53L32A_IN0 0 +#define CS53L32A_IN1 1 +#define CS53L32A_IN2 2 + +#endif diff --git a/include/media/i2c-addr.h b/include/media/i2c-addr.h new file mode 100644 index 000000000000..e7ff44a35ca0 --- /dev/null +++ b/include/media/i2c-addr.h @@ -0,0 +1,44 @@ +/* + * V4L I2C address list + * + * + * Copyright (C) 2006 Mauro Carvalho Chehab <mchehab@infradead.org> + * Based on a previous mapping by + * Ralph Metzler (rjkm@thp.uni-koeln.de) + * Gerd Knorr <kraxel@goldbach.in-berlin.de> + * + */ + +/* bttv address list */ +#define I2C_ADDR_TSA5522 0xc2 +#define I2C_ADDR_TDA7432 0x8a +#define I2C_ADDR_BT832_ALT1 0x88 +#define I2C_ADDR_BT832_ALT2 0x8a // alternate setting +#define I2C_ADDR_TDA8425 0x82 +#define I2C_ADDR_TDA9840 0x84 +#define I2C_ADDR_TDA9850 0xb6 /* also used by 9855,9873 */ +#define I2C_ADDR_TDA9874 0xb0 /* also used by 9875 */ +#define I2C_ADDR_TDA9875 0xb0 +#define I2C_ADDR_HAUPEE 0xa0 +#define I2C_ADDR_STBEE 0xae +#define I2C_ADDR_VHX 0xc0 +#define I2C_ADDR_MSP3400 0x80 +#define I2C_ADDR_MSP3400_ALT 0x88 +#define I2C_ADDR_TEA6300 0x80 /* also used by 6320 */ +#define I2C_ADDR_DPL3518 0x84 +#define I2C_ADDR_TDA9887 0x86 + +/* + * i2c bus addresses for the chips supported by tvaudio.c + */ + +#define I2C_ADDR_TDA8425 0x82 +#define I2C_ADDR_TDA9840 0x84 /* also used by TA8874Z */ +#define I2C_ADDR_TDA985x_L 0xb4 /* also used by 9873 */ +#define I2C_ADDR_TDA985x_H 0xb6 +#define I2C_ADDR_TDA9874 0xb0 /* also used by 9875 */ + +#define I2C_ADDR_TEA6300 0x80 /* also used by 6320 */ +#define I2C_ADDR_TEA6420 0x98 + +#define I2C_ADDR_PIC16C54 0x96 /* PV951 */ diff --git a/include/media/msp3400.h b/include/media/msp3400.h new file mode 100644 index 000000000000..0be61a021d45 --- /dev/null +++ b/include/media/msp3400.h @@ -0,0 +1,226 @@ +/* + msp3400.h - definition for msp3400 inputs and outputs + + Copyright (C) 2006 Hans Verkuil (hverkuil@xs4all.nl) + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#ifndef _MSP3400_H_ +#define _MSP3400_H_ + +/* msp3400 routing + =============== + + The msp3400 has a complicated routing scheme with many possible + combinations. The details are all in the datasheets but I will try + to give a short description here. + + Inputs + ====== + + There are 1) tuner inputs, 2) I2S inputs, 3) SCART inputs. You will have + to select which tuner input to use and which SCART input to use. The + selected tuner input, the selected SCART input and all I2S inputs go to + the DSP (the tuner input first goes through the demodulator). + + The DSP handles things like volume, bass/treble, balance, and some chips + have support for surround sound. It has several outputs: MAIN, AUX, I2S + and SCART1/2. Each output can select which DSP input to use. So the MAIN + output can select the tuner input while at the same time the SCART1 output + uses the I2S input. + + Outputs + ======= + + Most DSP outputs are also the outputs of the msp3400. However, the SCART + outputs of the msp3400 can select which input to use: either the SCART1 or + SCART2 output from the DSP, or the msp3400 SCART inputs, thus completely + bypassing the DSP. + + Summary + ======= + + So to specify a complete routing scheme for the msp3400 you will have to + specify in the 'input' field of the v4l2_routing struct: + + 1) which tuner input to use + 2) which SCART input to use + 3) which DSP input to use for each DSP output + + And in the 'output' field of the v4l2_routing struct you specify: + + 1) which SCART input to use for each SCART output + + Depending on how the msp is wired to the other components you can + ignore or mute certain inputs or outputs. + + Also, depending on the msp version only a subset of the inputs or + outputs may be present. At the end of this header some tables are + added containing a list of what is available for each msp version. + */ + +/* Inputs to the DSP unit: two independent selections have to be made: + 1) the tuner (SIF) input + 2) the SCART input + Bits 0-2 are used for the SCART input select, bit 3 is used for the tuner + input, bits 4-7 are reserved. + */ + +/* SCART input to DSP selection */ +#define MSP_IN_SCART_1 0 /* Pin SC1_IN */ +#define MSP_IN_SCART_2 1 /* Pin SC2_IN */ +#define MSP_IN_SCART_3 2 /* Pin SC3_IN */ +#define MSP_IN_SCART_4 3 /* Pin SC4_IN */ +#define MSP_IN_MONO 6 /* Pin MONO_IN */ +#define MSP_IN_MUTE 7 /* Mute DSP input */ +#define MSP_SCART_TO_DSP(in) (in) +/* Tuner input to demodulator and DSP selection */ +#define MSP_IN_TUNER_1 0 /* Analog Sound IF input pin ANA_IN1 */ +#define MSP_IN_TUNER_2 1 /* Analog Sound IF input pin ANA_IN2 */ +#define MSP_TUNER_TO_DSP(in) ((in) << 3) + +/* The msp has up to 5 DSP outputs, each output can independently select + a DSP input. + + The DSP outputs are: loudspeaker output (aka MAIN), headphones output + (aka AUX), SCART1 DA output, SCART2 DA output and an I2S output. + There also is a quasi-peak detector output, but that is not used by + this driver and is set to the same input as the loudspeaker output. + Not all outputs are supported by all msp models. Setting the input + of an unsupported output will be ignored by the driver. + + There are up to 16 DSP inputs to choose from, so each output is + assigned 4 bits. + + Note: the 44x8G can mix two inputs and feed the result back to the + DSP. This is currently not implemented. Also not implemented is the + multi-channel capable I2S3 input of the 44x0G. If someone can demonstrate + a need for one of those features then additional support can be added. */ +#define MSP_DSP_OUT_TUNER 0 /* Tuner output */ +#define MSP_DSP_OUT_SCART 2 /* SCART output */ +#define MSP_DSP_OUT_I2S1 5 /* I2S1 output */ +#define MSP_DSP_OUT_I2S2 6 /* I2S2 output */ +#define MSP_DSP_OUT_I2S3 7 /* I2S3 output */ +#define MSP_DSP_OUT_MAIN_AVC 11 /* MAIN AVC processed output */ +#define MSP_DSP_OUT_MAIN 12 /* MAIN output */ +#define MSP_DSP_OUT_AUX 13 /* AUX output */ +#define MSP_DSP_TO_MAIN(in) ((in) << 4) +#define MSP_DSP_TO_AUX(in) ((in) << 8) +#define MSP_DSP_TO_SCART1(in) ((in) << 12) +#define MSP_DSP_TO_SCART2(in) ((in) << 16) +#define MSP_DSP_TO_I2S(in) ((in) << 20) + +/* Output SCART select: the SCART outputs can select which input + to use. */ +#define MSP_OUT_SCART1 0 /* SCART1 input, bypassing the DSP */ +#define MSP_OUT_SCART2 1 /* SCART2 input, bypassing the DSP */ +#define MSP_OUT_SCART3 2 /* SCART3 input, bypassing the DSP */ +#define MSP_OUT_SCART4 3 /* SCART4 input, bypassing the DSP */ +#define MSP_OUT_SCART1_DA 4 /* DSP SCART1 output */ +#define MSP_OUT_SCART2_DA 5 /* DSP SCART2 output */ +#define MSP_OUT_MONO 6 /* MONO input, bypassing the DSP */ +#define MSP_OUT_MUTE 7 /* MUTE output */ +#define MSP_OUT_TO_SCART1(in) (in) +#define MSP_OUT_TO_SCART2(in) ((in) << 4) + +/* Shortcut macros */ +#define MSP_INPUT(sc, t, main_aux_src, sc_i2s_src) \ + (MSP_SCART_TO_DSP(sc) | \ + MSP_TUNER_TO_DSP(t) | \ + MSP_DSP_TO_MAIN(main_aux_src) | \ + MSP_DSP_TO_AUX(main_aux_src) | \ + MSP_DSP_TO_SCART1(sc_i2s_src) | \ + MSP_DSP_TO_SCART2(sc_i2s_src) | \ + MSP_DSP_TO_I2S(sc_i2s_src)) +#define MSP_INPUT_DEFAULT MSP_INPUT(MSP_IN_SCART_1, MSP_IN_TUNER_1, \ + MSP_DSP_OUT_TUNER, MSP_DSP_OUT_TUNER) +#define MSP_OUTPUT(sc) \ + (MSP_OUT_TO_SCART1(sc) | \ + MSP_OUT_TO_SCART2(sc)) +/* This equals the RESET position of the msp3400 ACB register */ +#define MSP_OUTPUT_DEFAULT (MSP_OUT_TO_SCART1(MSP_OUT_SCART3) | \ + MSP_OUT_TO_SCART2(MSP_OUT_SCART1_DA)) + +/* Tuner inputs vs. msp version */ +/* Chip TUNER_1 TUNER_2 + ------------------------- + msp34x0b y y + msp34x0c y y + msp34x0d y y + msp34x5d y n + msp34x7d y n + msp34x0g y y + msp34x1g y y + msp34x2g y y + msp34x5g y n + msp34x7g y n + msp44x0g y y + msp44x8g y y + */ + +/* SCART inputs vs. msp version */ +/* Chip SC1 SC2 SC3 SC4 + ------------------------- + msp34x0b y y y n + msp34x0c y y y n + msp34x0d y y y y + msp34x5d y y n n + msp34x7d y n n n + msp34x0g y y y y + msp34x1g y y y y + msp34x2g y y y y + msp34x5g y y n n + msp34x7g y n n n + msp44x0g y y y y + msp44x8g y y y y + */ + +/* DSP inputs vs. msp version (tuner and SCART inputs are always available) */ +/* Chip I2S1 I2S2 I2S3 MAIN_AVC MAIN AUX + ------------------------------------------ + msp34x0b y n n n n n + msp34x0c y y n n n n + msp34x0d y y n n n n + msp34x5d y y n n n n + msp34x7d n n n n n n + msp34x0g y y n n n n + msp34x1g y y n n n n + msp34x2g y y n y y y + msp34x5g y y n n n n + msp34x7g n n n n n n + msp44x0g y y y y y y + msp44x8g y y y n n n + */ + +/* DSP outputs vs. msp version */ +/* Chip MAIN AUX SCART1 SCART2 I2S + ------------------------------------ + msp34x0b y y y n y + msp34x0c y y y n y + msp34x0d y y y y y + msp34x5d y n y n y + msp34x7d y n y n n + msp34x0g y y y y y + msp34x1g y y y y y + msp34x2g y y y y y + msp34x5g y n y n y + msp34x7g y n y n n + msp44x0g y y y y y + msp44x8g y y y y y + */ + +#endif /* MSP3400_H */ + diff --git a/include/media/rds.h b/include/media/rds.h new file mode 100644 index 000000000000..951c1ae0be74 --- /dev/null +++ b/include/media/rds.h @@ -0,0 +1,44 @@ +/* + + Types and defines needed for RDS. This is included by + saa6588.c and every driver (e.g. bttv-driver.c) that wants + to use the saa6588 module. + + Instead of having a seperate rds.h, I'd prefer to include + this stuff in one of the already existing files like tuner.h + + (c) 2005 by Hans J. Koch + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +#ifndef _RDS_H +#define _RDS_H + +struct rds_command { + unsigned int block_count; + int result; + unsigned char __user *buffer; + struct file *instance; + poll_table *event_list; +}; + +#define RDS_CMD_OPEN _IOW('R',1,int) +#define RDS_CMD_CLOSE _IOW('R',2,int) +#define RDS_CMD_READ _IOR('R',3,int) +#define RDS_CMD_POLL _IOR('R',4,int) + +#endif diff --git a/include/media/saa7146_vv.h b/include/media/saa7146_vv.h index e5e749e984ee..4507cb61ae93 100644 --- a/include/media/saa7146_vv.h +++ b/include/media/saa7146_vv.h @@ -197,7 +197,8 @@ void saa7146_buffer_finish(struct saa7146_dev *dev, struct saa7146_dmaqueue *q, void saa7146_buffer_next(struct saa7146_dev *dev, struct saa7146_dmaqueue *q,int vbi); int saa7146_buffer_queue(struct saa7146_dev *dev, struct saa7146_dmaqueue *q, struct saa7146_buf *buf); void saa7146_buffer_timeout(unsigned long data); -void saa7146_dma_free(struct saa7146_dev *dev,struct saa7146_buf *buf); +void saa7146_dma_free(struct saa7146_dev* dev,struct videobuf_queue *q, + struct saa7146_buf *buf); int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv); int saa7146_vv_release(struct saa7146_dev* dev); diff --git a/include/media/tvaudio.h b/include/media/tvaudio.h new file mode 100644 index 000000000000..6915aafc875a --- /dev/null +++ b/include/media/tvaudio.h @@ -0,0 +1,30 @@ +/* + tvaudio.h - definition for tvaudio inputs + + Copyright (C) 2006 Hans Verkuil (hverkuil@xs4all.nl) + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#ifndef _TVAUDIO_H +#define _TVAUDIO_H + +/* The tvaudio module accepts the following inputs: */ +#define TVAUDIO_INPUT_TUNER 0 +#define TVAUDIO_INPUT_RADIO 1 +#define TVAUDIO_INPUT_EXTERN 2 +#define TVAUDIO_INPUT_INTERN 3 + +#endif diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h index 2360453e7496..642520acdfa7 100644 --- a/include/media/v4l2-common.h +++ b/include/media/v4l2-common.h @@ -123,17 +123,6 @@ enum v4l2_chip_ident { /* v4l device was opened in Radio mode, to be replaced by VIDIOC_INT_S_TUNER_MODE */ #define AUDC_SET_RADIO _IO('d',88) -/* select from TV,radio,extern,MUTE, to be replaced with VIDIOC_INT_S_AUDIO_ROUTING */ -#define AUDC_SET_INPUT _IOW('d',89,int) - -/* msp3400 ioctl: will be removed in the near future, to be replaced by - VIDIOC_INT_S_AUDIO_ROUTING. */ -struct msp_matrix { - int input; - int output; -}; -#define MSP_SET_MATRIX _IOW('m',17,struct msp_matrix) - /* tuner ioctls */ /* Sets tuner type and its I2C addr */ @@ -209,10 +198,10 @@ struct v4l2_routing { }; /* These internal commands should be used to define the inputs and outputs - of an audio/video chip. They will replace AUDC_SET_INPUT. - The v4l2 API commands VIDIOC_S/G_INPUT, VIDIOC_S/G_OUTPUT, - VIDIOC_S/G_AUDIO and VIDIOC_S/G_AUDOUT are meant to be used by the - user. Internally these commands should be used to switch inputs/outputs + of an audio/video chip. They will replace the v4l2 API commands + VIDIOC_S/G_INPUT, VIDIOC_S/G_OUTPUT, VIDIOC_S/G_AUDIO and VIDIOC_S/G_AUDOUT + that are meant to be used by the user. + The internal commands should be used to switch inputs/outputs because only the driver knows how to map a 'Television' input to the precise input/output routing of an A/D converter, or a DSP, or a video digitizer. These four commands should only be sent directly to an i2c device, they diff --git a/include/media/video-buf.h b/include/media/video-buf.h index d90dec5484ee..fff3fd0fbf94 100644 --- a/include/media/video-buf.h +++ b/include/media/video-buf.h @@ -1,15 +1,20 @@ /* * * generic helper functions for video4linux capture buffers, to handle - * memory management and PCI DMA. Right now bttv + saa7134 use it. + * memory management and PCI DMA. + * Right now, bttv, saa7134, saa7146 and cx88 use it. * * The functions expect the hardware being able to scatter gatter * (i.e. the buffers are not linear in physical memory, but fragmented * into PAGE_SIZE chunks). They also assume the driver does not need - * to touch the video data (thus it is probably not useful for USB as - * data often must be uncompressed by the drivers). + * to touch the video data. + * + * device specific map/unmap/sync stuff now are mapped as file operations + * to allow its usage by USB and virtual devices. * * (c) 2001,02 Gerd Knorr <kraxel@bytesex.org> + * (c) 2006 Mauro Carvalho Chehab, <mchehab@infradead.org> + * (c) 2006 Ted Walther and John Sokol * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -38,6 +43,9 @@ struct scatterlist* videobuf_vmalloc_to_sg(unsigned char *virt, int nr_pages); struct scatterlist* videobuf_pages_to_sg(struct page **pages, int nr_pages, int offset); +struct videobuf_buffer; +struct videobuf_queue; + /* --------------------------------------------------------------------- */ /* @@ -49,7 +57,7 @@ struct scatterlist* videobuf_pages_to_sg(struct page **pages, int nr_pages, * pointer + length. The kernel version just wants the size and * does memory allocation too using vmalloc_32(). * - * videobuf_dma_pci_*() + * videobuf_dma_*() * see Documentation/DMA-mapping.txt, these functions to * basically the same. The map function does also build a * scatterlist for the buffer (and unmap frees it ...) @@ -86,12 +94,18 @@ int videobuf_dma_init_kernel(struct videobuf_dmabuf *dma, int direction, int nr_pages); int videobuf_dma_init_overlay(struct videobuf_dmabuf *dma, int direction, dma_addr_t addr, int nr_pages); -int videobuf_dma_pci_map(struct pci_dev *dev, struct videobuf_dmabuf *dma); -int videobuf_dma_pci_sync(struct pci_dev *dev, - struct videobuf_dmabuf *dma); -int videobuf_dma_pci_unmap(struct pci_dev *dev, struct videobuf_dmabuf *dma); int videobuf_dma_free(struct videobuf_dmabuf *dma); +int videobuf_dma_map(struct videobuf_queue* q,struct videobuf_dmabuf *dma); +int videobuf_dma_sync(struct videobuf_queue* q,struct videobuf_dmabuf *dma); +int videobuf_dma_unmap(struct videobuf_queue* q,struct videobuf_dmabuf *dma); + + /*FIXME: these variants are used only on *-alsa code, where videobuf is + * used without queue + */ +int videobuf_pci_dma_map(struct pci_dev *pci,struct videobuf_dmabuf *dma); +int videobuf_pci_dma_unmap(struct pci_dev *pci,struct videobuf_dmabuf *dma); + /* --------------------------------------------------------------------- */ /* @@ -115,9 +129,6 @@ int videobuf_dma_free(struct videobuf_dmabuf *dma); * */ -struct videobuf_buffer; -struct videobuf_queue; - struct videobuf_mapping { unsigned int count; unsigned long start; @@ -164,6 +175,10 @@ struct videobuf_buffer { struct timeval ts; }; +typedef int (vb_map_sg_t)(void *dev,struct scatterlist *sglist,int nr_pages, + int direction); + + struct videobuf_queue_ops { int (*buf_setup)(struct videobuf_queue *q, unsigned int *count, unsigned int *size); @@ -174,12 +189,20 @@ struct videobuf_queue_ops { struct videobuf_buffer *vb); void (*buf_release)(struct videobuf_queue *q, struct videobuf_buffer *vb); + + /* Helper operations - device dependent. + * If null, videobuf_init defaults all to PCI handling + */ + + vb_map_sg_t *vb_map_sg; + vb_map_sg_t *vb_dma_sync_sg; + vb_map_sg_t *vb_unmap_sg; }; struct videobuf_queue { struct mutex lock; spinlock_t *irqlock; - struct pci_dev *pci; + void *dev; /* on pci, points to struct pci_dev */ enum v4l2_buf_type type; unsigned int inputs; /* for V4L2_BUF_FLAG_INPUT */ @@ -204,12 +227,15 @@ struct videobuf_queue { void* videobuf_alloc(unsigned int size); int videobuf_waiton(struct videobuf_buffer *vb, int non_blocking, int intr); -int videobuf_iolock(struct pci_dev *pci, struct videobuf_buffer *vb, - struct v4l2_framebuffer *fbuf); +int videobuf_iolock(struct videobuf_queue* q, struct videobuf_buffer *vb, + struct v4l2_framebuffer *fbuf); + +/* Maps fops to PCI stuff */ +void videobuf_queue_pci(struct videobuf_queue* q); void videobuf_queue_init(struct videobuf_queue *q, struct videobuf_queue_ops *ops, - struct pci_dev *pci, + void *dev, spinlock_t *irqlock, enum v4l2_buf_type type, enum v4l2_field field, diff --git a/include/media/wm8775.h b/include/media/wm8775.h new file mode 100644 index 000000000000..60739c5a23ae --- /dev/null +++ b/include/media/wm8775.h @@ -0,0 +1,35 @@ +/* + wm8775.h - definition for wm8775 inputs and outputs + + Copyright (C) 2006 Hans Verkuil (hverkuil@xs4all.nl) + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#ifndef _WM8775_H_ +#define _WM8775_H_ + +/* The WM8775 has 4 inputs and one output. Zero or more inputs + are multiplexed together to the output. Hence there are + 16 combinations. + If only one input is active (the normal case) then the + input values 1, 2, 4 or 8 should be used. */ + +#define WM8775_AIN1 1 +#define WM8775_AIN2 2 +#define WM8775_AIN3 4 +#define WM8775_AIN4 8 + +#endif diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h index b6f0905a4ee2..916013ca4a5c 100644 --- a/include/net/netfilter/nf_conntrack.h +++ b/include/net/netfilter/nf_conntrack.h @@ -300,29 +300,30 @@ DECLARE_PER_CPU(struct nf_conntrack_ecache, nf_conntrack_ecache); #define CONNTRACK_ECACHE(x) (__get_cpu_var(nf_conntrack_ecache).x) -extern struct notifier_block *nf_conntrack_chain; -extern struct notifier_block *nf_conntrack_expect_chain; +extern struct atomic_notifier_head nf_conntrack_chain; +extern struct atomic_notifier_head nf_conntrack_expect_chain; static inline int nf_conntrack_register_notifier(struct notifier_block *nb) { - return notifier_chain_register(&nf_conntrack_chain, nb); + return atomic_notifier_chain_register(&nf_conntrack_chain, nb); } static inline int nf_conntrack_unregister_notifier(struct notifier_block *nb) { - return notifier_chain_unregister(&nf_conntrack_chain, nb); + return atomic_notifier_chain_unregister(&nf_conntrack_chain, nb); } static inline int nf_conntrack_expect_register_notifier(struct notifier_block *nb) { - return notifier_chain_register(&nf_conntrack_expect_chain, nb); + return atomic_notifier_chain_register(&nf_conntrack_expect_chain, nb); } static inline int nf_conntrack_expect_unregister_notifier(struct notifier_block *nb) { - return notifier_chain_unregister(&nf_conntrack_expect_chain, nb); + return atomic_notifier_chain_unregister(&nf_conntrack_expect_chain, + nb); } extern void nf_ct_deliver_cached_events(const struct nf_conn *ct); @@ -347,14 +348,14 @@ static inline void nf_conntrack_event(enum ip_conntrack_events event, struct nf_conn *ct) { if (nf_ct_is_confirmed(ct) && !nf_ct_is_dying(ct)) - notifier_call_chain(&nf_conntrack_chain, event, ct); + atomic_notifier_call_chain(&nf_conntrack_chain, event, ct); } static inline void nf_conntrack_expect_event(enum ip_conntrack_expect_events event, struct nf_conntrack_expect *exp) { - notifier_call_chain(&nf_conntrack_expect_chain, event, exp); + atomic_notifier_call_chain(&nf_conntrack_expect_chain, event, exp); } #else /* CONFIG_NF_CONNTRACK_EVENTS */ static inline void nf_conntrack_event_cache(enum ip_conntrack_events event, diff --git a/include/net/request_sock.h b/include/net/request_sock.h index 11641c9384f7..c5d7f920c352 100644 --- a/include/net/request_sock.h +++ b/include/net/request_sock.h @@ -145,7 +145,7 @@ static inline struct request_sock * { struct request_sock *req = queue->rskq_accept_head; - queue->rskq_accept_head = queue->rskq_accept_head = NULL; + queue->rskq_accept_head = NULL; return req; } diff --git a/include/net/route.h b/include/net/route.h index 9c04f15090d2..98c915abdec8 100644 --- a/include/net/route.h +++ b/include/net/route.h @@ -110,7 +110,7 @@ extern struct ip_rt_acct *ip_rt_acct; struct in_device; extern int ip_rt_init(void); extern void ip_rt_redirect(u32 old_gw, u32 dst, u32 new_gw, - u32 src, u8 tos, struct net_device *dev); + u32 src, struct net_device *dev); extern void ip_rt_advice(struct rtable **rp, int advice); extern void rt_cache_flush(int how); extern int __ip_route_output_key(struct rtable **, const struct flowi *flp); diff --git a/include/net/sock.h b/include/net/sock.h index ec226f31dc2a..af2b0544586e 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -210,6 +210,7 @@ struct sock { gfp_t sk_allocation; int sk_sndbuf; int sk_route_caps; + int sk_rcvlowat; unsigned long sk_flags; unsigned long sk_lingertime; /* @@ -230,7 +231,6 @@ struct sock { unsigned short sk_max_ack_backlog; __u32 sk_priority; struct ucred sk_peercred; - int sk_rcvlowat; long sk_rcvtimeo; long sk_sndtimeo; struct sk_filter *sk_filter; @@ -938,28 +938,7 @@ static inline void sock_put(struct sock *sk) sk_free(sk); } -static inline int sk_receive_skb(struct sock *sk, struct sk_buff *skb) -{ - int rc = NET_RX_SUCCESS; - - if (sk_filter(sk, skb, 0)) - goto discard_and_relse; - - skb->dev = NULL; - - bh_lock_sock(sk); - if (!sock_owned_by_user(sk)) - rc = sk->sk_backlog_rcv(sk, skb); - else - sk_add_backlog(sk, skb); - bh_unlock_sock(sk); -out: - sock_put(sk); - return rc; -discard_and_relse: - kfree_skb(skb); - goto out; -} +extern int sk_receive_skb(struct sock *sk, struct sk_buff *skb); /* Detach socket from process context. * Announce socket dead, detach it from wait queue and inode. @@ -1044,33 +1023,9 @@ sk_dst_reset(struct sock *sk) write_unlock(&sk->sk_dst_lock); } -static inline struct dst_entry * -__sk_dst_check(struct sock *sk, u32 cookie) -{ - struct dst_entry *dst = sk->sk_dst_cache; +extern struct dst_entry *__sk_dst_check(struct sock *sk, u32 cookie); - if (dst && dst->obsolete && dst->ops->check(dst, cookie) == NULL) { - sk->sk_dst_cache = NULL; - dst_release(dst); - return NULL; - } - - return dst; -} - -static inline struct dst_entry * -sk_dst_check(struct sock *sk, u32 cookie) -{ - struct dst_entry *dst = sk_dst_get(sk); - - if (dst && dst->obsolete && dst->ops->check(dst, cookie) == NULL) { - sk_dst_reset(sk); - dst_release(dst); - return NULL; - } - - return dst; -} +extern struct dst_entry *sk_dst_check(struct sock *sk, u32 cookie); static inline void sk_setup_caps(struct sock *sk, struct dst_entry *dst) { @@ -1140,45 +1095,7 @@ extern void sk_reset_timer(struct sock *sk, struct timer_list* timer, extern void sk_stop_timer(struct sock *sk, struct timer_list* timer); -static inline int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) -{ - int err = 0; - int skb_len; - - /* Cast skb->rcvbuf to unsigned... It's pointless, but reduces - number of warnings when compiling with -W --ANK - */ - if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >= - (unsigned)sk->sk_rcvbuf) { - err = -ENOMEM; - goto out; - } - - /* It would be deadlock, if sock_queue_rcv_skb is used - with socket lock! We assume that users of this - function are lock free. - */ - err = sk_filter(sk, skb, 1); - if (err) - goto out; - - skb->dev = NULL; - skb_set_owner_r(skb, sk); - - /* Cache the SKB length before we tack it onto the receive - * queue. Once it is added it no longer belongs to us and - * may be freed by other threads of control pulling packets - * from the queue. - */ - skb_len = skb->len; - - skb_queue_tail(&sk->sk_receive_queue, skb); - - if (!sock_flag(sk, SOCK_DEAD)) - sk->sk_data_ready(sk, skb_len); -out: - return err; -} +extern int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb); static inline int sock_queue_err_skb(struct sock *sk, struct sk_buff *skb) { diff --git a/include/net/xfrm.h b/include/net/xfrm.h index 61b7504fc2ba..e100291e43f4 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -864,13 +864,19 @@ struct xfrm_algo_desc { /* XFRM tunnel handlers. */ struct xfrm_tunnel { int (*handler)(struct sk_buff *skb); - void (*err_handler)(struct sk_buff *skb, __u32 info); + int (*err_handler)(struct sk_buff *skb, __u32 info); + + struct xfrm_tunnel *next; + int priority; }; struct xfrm6_tunnel { - int (*handler)(struct sk_buff **pskb); - void (*err_handler)(struct sk_buff *skb, struct inet6_skb_parm *opt, - int type, int code, int offset, __u32 info); + int (*handler)(struct sk_buff *skb); + int (*err_handler)(struct sk_buff *skb, struct inet6_skb_parm *opt, + int type, int code, int offset, __u32 info); + + struct xfrm6_tunnel *next; + int priority; }; extern void xfrm_init(void); @@ -906,7 +912,7 @@ extern int xfrm4_rcv(struct sk_buff *skb); extern int xfrm4_output(struct sk_buff *skb); extern int xfrm4_tunnel_register(struct xfrm_tunnel *handler); extern int xfrm4_tunnel_deregister(struct xfrm_tunnel *handler); -extern int xfrm6_rcv_spi(struct sk_buff **pskb, u32 spi); +extern int xfrm6_rcv_spi(struct sk_buff *skb, u32 spi); extern int xfrm6_rcv(struct sk_buff **pskb); extern int xfrm6_tunnel_register(struct xfrm6_tunnel *handler); extern int xfrm6_tunnel_deregister(struct xfrm6_tunnel *handler); diff --git a/include/sound/core.h b/include/sound/core.h index 144bdc2f217f..7f32c12b4a0a 100644 --- a/include/sound/core.h +++ b/include/sound/core.h @@ -186,7 +186,7 @@ struct snd_minor { int type; /* SNDRV_DEVICE_TYPE_XXX */ int card; /* card number */ int device; /* device number */ - struct file_operations *f_ops; /* file operations */ + const struct file_operations *f_ops; /* file operations */ void *private_data; /* private data for f_ops->open */ char name[0]; /* device name (keep at the end of structure) */ @@ -200,14 +200,14 @@ extern int snd_ecards_limit; void snd_request_card(int card); int snd_register_device(int type, struct snd_card *card, int dev, - struct file_operations *f_ops, void *private_data, + const struct file_operations *f_ops, void *private_data, const char *name); int snd_unregister_device(int type, struct snd_card *card, int dev); void *snd_lookup_minor_data(unsigned int minor, int type); #ifdef CONFIG_SND_OSSEMUL int snd_register_oss_device(int type, struct snd_card *card, int dev, - struct file_operations *f_ops, void *private_data, + const struct file_operations *f_ops, void *private_data, const char *name); int snd_unregister_oss_device(int type, struct snd_card *card, int dev); void *snd_lookup_oss_minor_data(unsigned int minor, int type); diff --git a/include/video/pm3fb.h b/include/video/pm3fb.h index 6f4ea808cf74..ac021379ac40 100644 --- a/include/video/pm3fb.h +++ b/include/video/pm3fb.h @@ -1128,10 +1128,7 @@ #endif /* max number of simultaneous board */ -/* warning : make sure module array def's are coherent with PM3_MAX_BOARD */ #define PM3_MAX_BOARD 4 -#define PM3_MAX_BOARD_MODULE_ARRAY_SHORT "1-4h" -#define PM3_MAX_BOARD_MODULE_ARRAY_STRING "1-4s" /* max size of options */ #define PM3_OPTIONS_SIZE 256 |