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-rw-r--r--arch/s390/include/asm/alternative-asm.h76
-rw-r--r--arch/s390/include/asm/alternative.h93
-rw-r--r--arch/s390/include/asm/asm-extable.h12
-rw-r--r--arch/s390/include/asm/barrier.h16
-rw-r--r--arch/s390/include/asm/bug.h5
-rw-r--r--arch/s390/include/asm/cio.h2
-rw-r--r--arch/s390/include/asm/compat.h25
-rw-r--r--arch/s390/include/asm/ctl_reg.h4
-rw-r--r--arch/s390/include/asm/entry-common.h14
-rw-r--r--arch/s390/include/asm/hugetlb.h26
-rw-r--r--arch/s390/include/asm/ipl.h6
-rw-r--r--arch/s390/include/asm/lowcore.h5
-rw-r--r--arch/s390/include/asm/nmi.h2
-rw-r--r--arch/s390/include/asm/nospec-insn.h12
-rw-r--r--arch/s390/include/asm/pai.h74
-rw-r--r--arch/s390/include/asm/pci_debug.h7
-rw-r--r--arch/s390/include/asm/pgtable.h36
-rw-r--r--arch/s390/include/asm/preempt.h15
-rw-r--r--arch/s390/include/asm/processor.h8
-rw-r--r--arch/s390/include/asm/ptrace.h29
-rw-r--r--arch/s390/include/asm/sclp.h1
-rw-r--r--arch/s390/include/asm/scsw.h83
-rw-r--r--arch/s390/include/asm/spinlock.h3
-rw-r--r--arch/s390/include/asm/stp.h4
-rw-r--r--arch/s390/include/asm/timex.h1
-rw-r--r--arch/s390/include/asm/vx-insn.h6
-rw-r--r--arch/s390/include/uapi/asm/pkey.h2
-rw-r--r--arch/s390/include/uapi/asm/zcrypt.h42
28 files changed, 350 insertions, 259 deletions
diff --git a/arch/s390/include/asm/alternative-asm.h b/arch/s390/include/asm/alternative-asm.h
index bb3837d7387c..7db046596b93 100644
--- a/arch/s390/include/asm/alternative-asm.h
+++ b/arch/s390/include/asm/alternative-asm.h
@@ -5,19 +5,6 @@
#ifdef __ASSEMBLY__
/*
- * Check the length of an instruction sequence. The length may not be larger
- * than 254 bytes and it has to be divisible by 2.
- */
-.macro alt_len_check start,end
- .if ( \end - \start ) > 254
- .error "cpu alternatives does not support instructions blocks > 254 bytes\n"
- .endif
- .if ( \end - \start ) % 2
- .error "cpu alternatives instructions length is odd\n"
- .endif
-.endm
-
-/*
* Issue one struct alt_instr descriptor entry (need to put it into
* the section .altinstructions, see below). This entry contains
* enough information for the alternatives patching code to patch an
@@ -28,66 +15,29 @@
.long \alt_start - .
.word \feature
.byte \orig_end - \orig_start
- .byte \alt_end - \alt_start
-.endm
-
-/*
- * Fill up @bytes with nops. The macro emits 6-byte nop instructions
- * for the bulk of the area, possibly followed by a 4-byte and/or
- * a 2-byte nop if the size of the area is not divisible by 6.
- */
-.macro alt_pad_fill bytes
- .rept ( \bytes ) / 6
- brcl 0,0
- .endr
- .rept ( \bytes ) % 6 / 4
- nop
- .endr
- .rept ( \bytes ) % 6 % 4 / 2
- nopr
- .endr
-.endm
-
-/*
- * Fill up @bytes with nops. If the number of bytes is larger
- * than 6, emit a jg instruction to branch over all nops, then
- * fill an area of size (@bytes - 6) with nop instructions.
- */
-.macro alt_pad bytes
- .if ( \bytes > 0 )
- .if ( \bytes > 6 )
- jg . + \bytes
- alt_pad_fill \bytes - 6
- .else
- alt_pad_fill \bytes
- .endif
- .endif
+ .org . - ( \orig_end - \orig_start ) + ( \alt_end - \alt_start )
+ .org . - ( \alt_end - \alt_start ) + ( \orig_end - \orig_start )
.endm
/*
* Define an alternative between two instructions. If @feature is
* present, early code in apply_alternatives() replaces @oldinstr with
- * @newinstr. ".skip" directive takes care of proper instruction padding
- * in case @newinstr is longer than @oldinstr.
+ * @newinstr.
*/
.macro ALTERNATIVE oldinstr, newinstr, feature
.pushsection .altinstr_replacement,"ax"
770: \newinstr
771: .popsection
772: \oldinstr
-773: alt_len_check 770b, 771b
- alt_len_check 772b, 773b
- alt_pad ( ( 771b - 770b ) - ( 773b - 772b ) )
-774: .pushsection .altinstructions,"a"
- alt_entry 772b, 774b, 770b, 771b, \feature
+773: .pushsection .altinstructions,"a"
+ alt_entry 772b, 773b, 770b, 771b, \feature
.popsection
.endm
/*
* Define an alternative between two instructions. If @feature is
* present, early code in apply_alternatives() replaces @oldinstr with
- * @newinstr. ".skip" directive takes care of proper instruction padding
- * in case @newinstr is longer than @oldinstr.
+ * @newinstr.
*/
.macro ALTERNATIVE_2 oldinstr, newinstr1, feature1, newinstr2, feature2
.pushsection .altinstr_replacement,"ax"
@@ -95,17 +45,9 @@
771: \newinstr2
772: .popsection
773: \oldinstr
-774: alt_len_check 770b, 771b
- alt_len_check 771b, 772b
- alt_len_check 773b, 774b
- .if ( 771b - 770b > 772b - 771b )
- alt_pad ( ( 771b - 770b ) - ( 774b - 773b ) )
- .else
- alt_pad ( ( 772b - 771b ) - ( 774b - 773b ) )
- .endif
-775: .pushsection .altinstructions,"a"
- alt_entry 773b, 775b, 770b, 771b,\feature1
- alt_entry 773b, 775b, 771b, 772b,\feature2
+774: .pushsection .altinstructions,"a"
+ alt_entry 773b, 774b, 770b, 771b,\feature1
+ alt_entry 773b, 774b, 771b, 772b,\feature2
.popsection
.endm
diff --git a/arch/s390/include/asm/alternative.h b/arch/s390/include/asm/alternative.h
index 3f2856ed6808..904dd049f954 100644
--- a/arch/s390/include/asm/alternative.h
+++ b/arch/s390/include/asm/alternative.h
@@ -13,32 +13,25 @@ struct alt_instr {
s32 repl_offset; /* offset to replacement instruction */
u16 facility; /* facility bit set for replacement */
u8 instrlen; /* length of original instruction */
- u8 replacementlen; /* length of new instruction */
} __packed;
void apply_alternative_instructions(void);
void apply_alternatives(struct alt_instr *start, struct alt_instr *end);
/*
- * |661: |662: |6620 |663:
- * +-----------+---------------------+
- * | oldinstr | oldinstr_padding |
- * | +----------+----------+
- * | | | |
- * | | >6 bytes |6/4/2 nops|
- * | |6 bytes jg----------->
- * +-----------+---------------------+
- * ^^ static padding ^^
+ * +---------------------------------+
+ * |661: |662:
+ * | oldinstr |
+ * +---------------------------------+
*
* .altinstr_replacement section
- * +---------------------+-----------+
+ * +---------------------------------+
* |6641: |6651:
* | alternative instr 1 |
- * +-----------+---------+- - - - - -+
- * |6642: |6652: |
- * | alternative instr 2 | padding
- * +---------------------+- - - - - -+
- * ^ runtime ^
+ * +---------------------------------+
+ * |6642: |6652:
+ * | alternative instr 2 |
+ * +---------------------------------+
*
* .altinstructions section
* +---------------------------------+
@@ -47,77 +40,31 @@ void apply_alternatives(struct alt_instr *start, struct alt_instr *end);
* +---------------------------------+
*/
-#define b_altinstr(num) "664"#num
-#define e_altinstr(num) "665"#num
-
-#define e_oldinstr_pad_end "663"
+#define b_altinstr(num) "664"#num
+#define e_altinstr(num) "665"#num
#define oldinstr_len "662b-661b"
-#define oldinstr_total_len e_oldinstr_pad_end"b-661b"
#define altinstr_len(num) e_altinstr(num)"b-"b_altinstr(num)"b"
-#define oldinstr_pad_len(num) \
- "-(((" altinstr_len(num) ")-(" oldinstr_len ")) > 0) * " \
- "((" altinstr_len(num) ")-(" oldinstr_len "))"
-
-#define INSTR_LEN_SANITY_CHECK(len) \
- ".if " len " > 254\n" \
- "\t.error \"cpu alternatives does not support instructions " \
- "blocks > 254 bytes\"\n" \
- ".endif\n" \
- ".if (" len ") %% 2\n" \
- "\t.error \"cpu alternatives instructions length is odd\"\n" \
- ".endif\n"
-
-#define OLDINSTR_PADDING(oldinstr, num) \
- ".if " oldinstr_pad_len(num) " > 6\n" \
- "\tjg " e_oldinstr_pad_end "f\n" \
- "6620:\n" \
- "\t.rept (" oldinstr_pad_len(num) " - (6620b-662b)) / 2\n" \
- "\tnopr\n" \
- ".else\n" \
- "\t.rept " oldinstr_pad_len(num) " / 6\n" \
- "\t.brcl 0,0\n" \
- "\t.endr\n" \
- "\t.rept " oldinstr_pad_len(num) " %% 6 / 4\n" \
- "\tnop\n" \
- "\t.endr\n" \
- "\t.rept " oldinstr_pad_len(num) " %% 6 %% 4 / 2\n" \
- "\tnopr\n" \
- ".endr\n" \
- ".endif\n"
-
-#define OLDINSTR(oldinstr, num) \
- "661:\n\t" oldinstr "\n662:\n" \
- OLDINSTR_PADDING(oldinstr, num) \
- e_oldinstr_pad_end ":\n" \
- INSTR_LEN_SANITY_CHECK(oldinstr_len)
-
-#define OLDINSTR_2(oldinstr, num1, num2) \
- "661:\n\t" oldinstr "\n662:\n" \
- ".if " altinstr_len(num1) " < " altinstr_len(num2) "\n" \
- OLDINSTR_PADDING(oldinstr, num2) \
- ".else\n" \
- OLDINSTR_PADDING(oldinstr, num1) \
- ".endif\n" \
- e_oldinstr_pad_end ":\n" \
- INSTR_LEN_SANITY_CHECK(oldinstr_len)
+
+#define OLDINSTR(oldinstr) \
+ "661:\n\t" oldinstr "\n662:\n"
#define ALTINSTR_ENTRY(facility, num) \
"\t.long 661b - .\n" /* old instruction */ \
"\t.long " b_altinstr(num)"b - .\n" /* alt instruction */ \
"\t.word " __stringify(facility) "\n" /* facility bit */ \
- "\t.byte " oldinstr_total_len "\n" /* source len */ \
- "\t.byte " altinstr_len(num) "\n" /* alt instruction len */
+ "\t.byte " oldinstr_len "\n" /* instruction len */ \
+ "\t.org . - (" oldinstr_len ") + (" altinstr_len(num) ")\n" \
+ "\t.org . - (" altinstr_len(num) ") + (" oldinstr_len ")\n"
#define ALTINSTR_REPLACEMENT(altinstr, num) /* replacement */ \
- b_altinstr(num)":\n\t" altinstr "\n" e_altinstr(num) ":\n" \
- INSTR_LEN_SANITY_CHECK(altinstr_len(num))
+ b_altinstr(num)":\n\t" altinstr "\n" e_altinstr(num) ":\n"
/* alternative assembly primitive: */
#define ALTERNATIVE(oldinstr, altinstr, facility) \
".pushsection .altinstr_replacement, \"ax\"\n" \
ALTINSTR_REPLACEMENT(altinstr, 1) \
".popsection\n" \
- OLDINSTR(oldinstr, 1) \
+ OLDINSTR(oldinstr) \
".pushsection .altinstructions,\"a\"\n" \
ALTINSTR_ENTRY(facility, 1) \
".popsection\n"
@@ -127,7 +74,7 @@ void apply_alternatives(struct alt_instr *start, struct alt_instr *end);
ALTINSTR_REPLACEMENT(altinstr1, 1) \
ALTINSTR_REPLACEMENT(altinstr2, 2) \
".popsection\n" \
- OLDINSTR_2(oldinstr, 1, 2) \
+ OLDINSTR(oldinstr) \
".pushsection .altinstructions,\"a\"\n" \
ALTINSTR_ENTRY(facility1, 1) \
ALTINSTR_ENTRY(facility2, 2) \
diff --git a/arch/s390/include/asm/asm-extable.h b/arch/s390/include/asm/asm-extable.h
index fb62df5e16a2..f24d9591aaed 100644
--- a/arch/s390/include/asm/asm-extable.h
+++ b/arch/s390/include/asm/asm-extable.h
@@ -26,16 +26,16 @@
stringify_in_c(.long (_target) - .;) \
stringify_in_c(.short (_type);) \
stringify_in_c(.macro extable_reg reg;) \
- stringify_in_c(.set found, 0;) \
- stringify_in_c(.set regnr, 0;) \
+ stringify_in_c(.set .Lfound, 0;) \
+ stringify_in_c(.set .Lregnr, 0;) \
stringify_in_c(.irp rs,r0,r1,r2,r3,r4,r5,r6,r7,r8,r9,r10,r11,r12,r13,r14,r15;) \
stringify_in_c(.ifc "\reg", "%%\rs";) \
- stringify_in_c(.set found, 1;) \
- stringify_in_c(.short regnr;) \
+ stringify_in_c(.set .Lfound, 1;) \
+ stringify_in_c(.short .Lregnr;) \
stringify_in_c(.endif;) \
- stringify_in_c(.set regnr, regnr+1;) \
+ stringify_in_c(.set .Lregnr, .Lregnr+1;) \
stringify_in_c(.endr;) \
- stringify_in_c(.ifne (found != 1);) \
+ stringify_in_c(.ifne (.Lfound != 1);) \
stringify_in_c(.error "extable_reg: bad register argument";) \
stringify_in_c(.endif;) \
stringify_in_c(.endm;) \
diff --git a/arch/s390/include/asm/barrier.h b/arch/s390/include/asm/barrier.h
index 2c057e1f3200..82de2a7c4160 100644
--- a/arch/s390/include/asm/barrier.h
+++ b/arch/s390/include/asm/barrier.h
@@ -26,14 +26,14 @@ static __always_inline void bcr_serialize(void)
asm volatile(__ASM_BCR_SERIALIZE : : : "memory");
}
-#define mb() bcr_serialize()
-#define rmb() barrier()
-#define wmb() barrier()
-#define dma_rmb() mb()
-#define dma_wmb() mb()
-#define __smp_mb() mb()
-#define __smp_rmb() rmb()
-#define __smp_wmb() wmb()
+#define __mb() bcr_serialize()
+#define __rmb() barrier()
+#define __wmb() barrier()
+#define __dma_rmb() __mb()
+#define __dma_wmb() __mb()
+#define __smp_mb() __mb()
+#define __smp_rmb() __rmb()
+#define __smp_wmb() __wmb()
#define __smp_store_release(p, v) \
do { \
diff --git a/arch/s390/include/asm/bug.h b/arch/s390/include/asm/bug.h
index 0b25f28351ed..aebe1e22c7be 100644
--- a/arch/s390/include/asm/bug.h
+++ b/arch/s390/include/asm/bug.h
@@ -15,7 +15,8 @@
"1: .asciz \""__FILE__"\"\n" \
".previous\n" \
".section __bug_table,\"awM\",@progbits,%2\n" \
- "2: .long 0b-2b,1b-2b\n" \
+ "2: .long 0b-.\n" \
+ " .long 1b-.\n" \
" .short %0,%1\n" \
" .org 2b+%2\n" \
".previous\n" \
@@ -30,7 +31,7 @@
asm_inline volatile( \
"0: mc 0,0\n" \
".section __bug_table,\"awM\",@progbits,%1\n" \
- "1: .long 0b-1b\n" \
+ "1: .long 0b-.\n" \
" .short %0\n" \
" .org 1b+%1\n" \
".previous\n" \
diff --git a/arch/s390/include/asm/cio.h b/arch/s390/include/asm/cio.h
index 1effac6a0152..1c4f585dd39b 100644
--- a/arch/s390/include/asm/cio.h
+++ b/arch/s390/include/asm/cio.h
@@ -369,7 +369,7 @@ void cio_gp_dma_destroy(struct gen_pool *gp_dma, struct device *dma_dev);
struct gen_pool *cio_gp_dma_create(struct device *dma_dev, int nr_pages);
/* Function from drivers/s390/cio/chsc.c */
-int chsc_sstpc(void *page, unsigned int op, u16 ctrl, u64 *clock_delta);
+int chsc_sstpc(void *page, unsigned int op, u16 ctrl, long *clock_delta);
int chsc_sstpi(void *page, void *result, size_t size);
int chsc_stzi(void *page, void *result, size_t size);
int chsc_sgib(u32 origin);
diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h
index cdc7ae72529d..7d6fe813ac39 100644
--- a/arch/s390/include/asm/compat.h
+++ b/arch/s390/include/asm/compat.h
@@ -8,6 +8,7 @@
#include <linux/sched.h>
#include <linux/sched/task_stack.h>
#include <linux/thread_info.h>
+#include <asm/ptrace.h>
#define compat_mode_t compat_mode_t
typedef u16 compat_mode_t;
@@ -22,32 +23,8 @@ typedef u16 compat_mode_t;
(__force t)(__TYPE_IS_PTR(t) ? ((v) & 0x7fffffff) : (v)); \
})
-#define PSW32_MASK_PER 0x40000000UL
-#define PSW32_MASK_DAT 0x04000000UL
-#define PSW32_MASK_IO 0x02000000UL
-#define PSW32_MASK_EXT 0x01000000UL
-#define PSW32_MASK_KEY 0x00F00000UL
-#define PSW32_MASK_BASE 0x00080000UL /* Always one */
-#define PSW32_MASK_MCHECK 0x00040000UL
-#define PSW32_MASK_WAIT 0x00020000UL
-#define PSW32_MASK_PSTATE 0x00010000UL
-#define PSW32_MASK_ASC 0x0000C000UL
-#define PSW32_MASK_CC 0x00003000UL
-#define PSW32_MASK_PM 0x00000f00UL
-#define PSW32_MASK_RI 0x00000080UL
-
#define PSW32_MASK_USER 0x0000FF00UL
-#define PSW32_ADDR_AMODE 0x80000000UL
-#define PSW32_ADDR_INSN 0x7FFFFFFFUL
-
-#define PSW32_DEFAULT_KEY (((u32) PAGE_DEFAULT_ACC) << 20)
-
-#define PSW32_ASC_PRIMARY 0x00000000UL
-#define PSW32_ASC_ACCREG 0x00004000UL
-#define PSW32_ASC_SECONDARY 0x00008000UL
-#define PSW32_ASC_HOME 0x0000C000UL
-
#define PSW32_USER_BITS (PSW32_MASK_DAT | PSW32_MASK_IO | PSW32_MASK_EXT | \
PSW32_DEFAULT_KEY | PSW32_MASK_BASE | \
PSW32_MASK_MCHECK | PSW32_MASK_PSTATE | \
diff --git a/arch/s390/include/asm/ctl_reg.h b/arch/s390/include/asm/ctl_reg.h
index 82388da3f95f..267a8f88e143 100644
--- a/arch/s390/include/asm/ctl_reg.h
+++ b/arch/s390/include/asm/ctl_reg.h
@@ -93,7 +93,9 @@ union ctlreg0 {
unsigned long tcx : 1; /* Transactional-Execution control */
unsigned long pifo : 1; /* Transactional-Execution Program-
Interruption-Filtering Override */
- unsigned long : 22;
+ unsigned long : 3;
+ unsigned long ccc : 1; /* Cryptography counter control */
+ unsigned long : 18;
unsigned long : 3;
unsigned long lap : 1; /* Low-address-protection control */
unsigned long : 4;
diff --git a/arch/s390/include/asm/entry-common.h b/arch/s390/include/asm/entry-common.h
index 2f0a1cacdf85..000de2b1e67a 100644
--- a/arch/s390/include/asm/entry-common.h
+++ b/arch/s390/include/asm/entry-common.h
@@ -9,19 +9,21 @@
#include <linux/uaccess.h>
#include <asm/timex.h>
#include <asm/fpu/api.h>
+#include <asm/pai.h>
#define ARCH_EXIT_TO_USER_MODE_WORK (_TIF_GUARDED_STORAGE | _TIF_PER_TRAP)
void do_per_trap(struct pt_regs *regs);
-#ifdef CONFIG_DEBUG_ENTRY
-static __always_inline void arch_check_user_regs(struct pt_regs *regs)
+static __always_inline void arch_enter_from_user_mode(struct pt_regs *regs)
{
- debug_user_asce(0);
+ if (IS_ENABLED(CONFIG_DEBUG_ENTRY))
+ debug_user_asce(0);
+
+ pai_kernel_enter(regs);
}
-#define arch_check_user_regs arch_check_user_regs
-#endif /* CONFIG_DEBUG_ENTRY */
+#define arch_enter_from_user_mode arch_enter_from_user_mode
static __always_inline void arch_exit_to_user_mode_work(struct pt_regs *regs,
unsigned long ti_work)
@@ -44,6 +46,8 @@ static __always_inline void arch_exit_to_user_mode(void)
if (IS_ENABLED(CONFIG_DEBUG_ENTRY))
debug_user_asce(1);
+
+ pai_kernel_exit(current_pt_regs());
}
#define arch_exit_to_user_mode arch_exit_to_user_mode
diff --git a/arch/s390/include/asm/hugetlb.h b/arch/s390/include/asm/hugetlb.h
index bea47e7cc6a0..f22beda9e6d5 100644
--- a/arch/s390/include/asm/hugetlb.h
+++ b/arch/s390/include/asm/hugetlb.h
@@ -50,10 +50,10 @@ static inline void huge_pte_clear(struct mm_struct *mm, unsigned long addr,
set_pte(ptep, __pte(_SEGMENT_ENTRY_EMPTY));
}
-static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
- unsigned long address, pte_t *ptep)
+static inline pte_t huge_ptep_clear_flush(struct vm_area_struct *vma,
+ unsigned long address, pte_t *ptep)
{
- huge_ptep_get_and_clear(vma->vm_mm, address, ptep);
+ return huge_ptep_get_and_clear(vma->vm_mm, address, ptep);
}
static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
@@ -85,6 +85,11 @@ static inline int huge_pte_none(pte_t pte)
return pte_none(pte);
}
+static inline int huge_pte_none_mostly(pte_t pte)
+{
+ return huge_pte_none(pte);
+}
+
static inline int huge_pte_write(pte_t pte)
{
return pte_write(pte);
@@ -115,6 +120,21 @@ static inline pte_t huge_pte_modify(pte_t pte, pgprot_t newprot)
return pte_modify(pte, newprot);
}
+static inline pte_t huge_pte_mkuffd_wp(pte_t pte)
+{
+ return pte;
+}
+
+static inline pte_t huge_pte_clear_uffd_wp(pte_t pte)
+{
+ return pte;
+}
+
+static inline int huge_pte_uffd_wp(pte_t pte)
+{
+ return 0;
+}
+
static inline bool gigantic_page_runtime_supported(void)
{
return true;
diff --git a/arch/s390/include/asm/ipl.h b/arch/s390/include/asm/ipl.h
index 3f8ee257f9aa..a405b6bb89fb 100644
--- a/arch/s390/include/asm/ipl.h
+++ b/arch/s390/include/asm/ipl.h
@@ -133,6 +133,8 @@ int ipl_report_add_certificate(struct ipl_report *report, void *key,
* DIAG 308 support
*/
enum diag308_subcode {
+ DIAG308_CLEAR_RESET = 0,
+ DIAG308_LOAD_NORMAL_RESET = 1,
DIAG308_REL_HSA = 2,
DIAG308_LOAD_CLEAR = 3,
DIAG308_LOAD_NORMAL_DUMP = 4,
@@ -141,6 +143,10 @@ enum diag308_subcode {
DIAG308_LOAD_NORMAL = 7,
};
+enum diag308_subcode_flags {
+ DIAG308_FLAG_EI = 1UL << 16,
+};
+
enum diag308_rc {
DIAG308_RC_OK = 0x0001,
DIAG308_RC_NOCONFIG = 0x0102,
diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h
index 56002aeacabf..26fe5e535728 100644
--- a/arch/s390/include/asm/lowcore.h
+++ b/arch/s390/include/asm/lowcore.h
@@ -200,7 +200,10 @@ struct lowcore {
__u64 last_break_save_area; /* 0x1338 */
__u32 access_regs_save_area[16]; /* 0x1340 */
__u64 cregs_save_area[16]; /* 0x1380 */
- __u8 pad_0x1400[0x1800-0x1400]; /* 0x1400 */
+ __u8 pad_0x1400[0x1500-0x1400]; /* 0x1400 */
+ /* Cryptography-counter designation */
+ __u64 ccd; /* 0x1500 */
+ __u8 pad_0x1508[0x1800-0x1508]; /* 0x1508 */
/* Transaction abort diagnostic block */
struct pgm_tdb pgm_tdb; /* 0x1800 */
diff --git a/arch/s390/include/asm/nmi.h b/arch/s390/include/asm/nmi.h
index 292083083830..af1cd3a6f406 100644
--- a/arch/s390/include/asm/nmi.h
+++ b/arch/s390/include/asm/nmi.h
@@ -101,7 +101,7 @@ void nmi_alloc_mcesa_early(u64 *mcesad);
int nmi_alloc_mcesa(u64 *mcesad);
void nmi_free_mcesa(u64 *mcesad);
-void s390_handle_mcck(void);
+void s390_handle_mcck(struct pt_regs *regs);
void __s390_handle_mcck(void);
int s390_do_machine_check(struct pt_regs *regs);
diff --git a/arch/s390/include/asm/nospec-insn.h b/arch/s390/include/asm/nospec-insn.h
index 2cfcd5ac3a8b..d910d71b5bb5 100644
--- a/arch/s390/include/asm/nospec-insn.h
+++ b/arch/s390/include/asm/nospec-insn.h
@@ -54,31 +54,31 @@
.endm
.macro __DECODE_R expand,reg
- .set __decode_fail,1
+ .set .L__decode_fail,1
.irp r1,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
.ifc \reg,%r\r1
\expand \r1
- .set __decode_fail,0
+ .set .L__decode_fail,0
.endif
.endr
- .if __decode_fail == 1
+ .if .L__decode_fail == 1
.error "__DECODE_R failed"
.endif
.endm
.macro __DECODE_RR expand,rsave,rtarget
- .set __decode_fail,1
+ .set .L__decode_fail,1
.irp r1,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
.ifc \rsave,%r\r1
.irp r2,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
.ifc \rtarget,%r\r2
\expand \r1,\r2
- .set __decode_fail,0
+ .set .L__decode_fail,0
.endif
.endr
.endif
.endr
- .if __decode_fail == 1
+ .if .L__decode_fail == 1
.error "__DECODE_RR failed"
.endif
.endm
diff --git a/arch/s390/include/asm/pai.h b/arch/s390/include/asm/pai.h
new file mode 100644
index 000000000000..5b7e33ac6f0b
--- /dev/null
+++ b/arch/s390/include/asm/pai.h
@@ -0,0 +1,74 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Processor Activity Instrumentation support for cryptography counters
+ *
+ * Copyright IBM Corp. 2022
+ * Author(s): Thomas Richter <tmricht@linux.ibm.com>
+ */
+#ifndef _ASM_S390_PAI_H
+#define _ASM_S390_PAI_H
+
+#include <linux/jump_label.h>
+#include <asm/lowcore.h>
+#include <asm/ptrace.h>
+
+struct qpaci_info_block {
+ u64 header;
+ struct {
+ u64 : 8;
+ u64 num_cc : 8; /* # of supported crypto counters */
+ u64 : 48;
+ };
+};
+
+static inline int qpaci(struct qpaci_info_block *info)
+{
+ /* Size of info (in double words minus one) */
+ size_t size = sizeof(*info) / sizeof(u64) - 1;
+ int cc;
+
+ asm volatile(
+ " lgr 0,%[size]\n"
+ " .insn s,0xb28f0000,%[info]\n"
+ " lgr %[size],0\n"
+ " ipm %[cc]\n"
+ " srl %[cc],28\n"
+ : [cc] "=d" (cc), [info] "=Q" (*info), [size] "+&d" (size)
+ :
+ : "0", "cc", "memory");
+ return cc ? (size + 1) * sizeof(u64) : 0;
+}
+
+#define PAI_CRYPTO_BASE 0x1000 /* First event number */
+#define PAI_CRYPTO_MAXCTR 256 /* Max # of event counters */
+#define PAI_CRYPTO_KERNEL_OFFSET 2048
+
+DECLARE_STATIC_KEY_FALSE(pai_key);
+
+static __always_inline void pai_kernel_enter(struct pt_regs *regs)
+{
+ if (!IS_ENABLED(CONFIG_PERF_EVENTS))
+ return;
+ if (!static_branch_unlikely(&pai_key))
+ return;
+ if (!S390_lowcore.ccd)
+ return;
+ if (!user_mode(regs))
+ return;
+ WRITE_ONCE(S390_lowcore.ccd, S390_lowcore.ccd | PAI_CRYPTO_KERNEL_OFFSET);
+}
+
+static __always_inline void pai_kernel_exit(struct pt_regs *regs)
+{
+ if (!IS_ENABLED(CONFIG_PERF_EVENTS))
+ return;
+ if (!static_branch_unlikely(&pai_key))
+ return;
+ if (!S390_lowcore.ccd)
+ return;
+ if (!user_mode(regs))
+ return;
+ WRITE_ONCE(S390_lowcore.ccd, S390_lowcore.ccd & ~PAI_CRYPTO_KERNEL_OFFSET);
+}
+
+#endif
diff --git a/arch/s390/include/asm/pci_debug.h b/arch/s390/include/asm/pci_debug.h
index 5dfe47588277..3bb4e7e33a0e 100644
--- a/arch/s390/include/asm/pci_debug.h
+++ b/arch/s390/include/asm/pci_debug.h
@@ -17,9 +17,14 @@ extern debug_info_t *pci_debug_err_id;
debug_text_event(pci_debug_err_id, 0, debug_buffer); \
} while (0)
+static inline void zpci_err_hex_level(int level, void *addr, int len)
+{
+ debug_event(pci_debug_err_id, level, addr, len);
+}
+
static inline void zpci_err_hex(void *addr, int len)
{
- debug_event(pci_debug_err_id, 0, addr, len);
+ zpci_err_hex_level(0, addr, len);
}
#endif
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 9df679152620..a397b072a580 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -181,6 +181,8 @@ static inline int is_module_addr(void *addr)
#define _PAGE_SOFT_DIRTY 0x000
#endif
+#define _PAGE_SWP_EXCLUSIVE _PAGE_LARGE /* SW pte exclusive swap bit */
+
/* Set of bits not changed in pte_modify */
#define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_SPECIAL | _PAGE_DIRTY | \
_PAGE_YOUNG | _PAGE_SOFT_DIRTY)
@@ -826,6 +828,22 @@ static inline int pmd_protnone(pmd_t pmd)
}
#endif
+#define __HAVE_ARCH_PTE_SWP_EXCLUSIVE
+static inline int pte_swp_exclusive(pte_t pte)
+{
+ return pte_val(pte) & _PAGE_SWP_EXCLUSIVE;
+}
+
+static inline pte_t pte_swp_mkexclusive(pte_t pte)
+{
+ return set_pte_bit(pte, __pgprot(_PAGE_SWP_EXCLUSIVE));
+}
+
+static inline pte_t pte_swp_clear_exclusive(pte_t pte)
+{
+ return clear_pte_bit(pte, __pgprot(_PAGE_SWP_EXCLUSIVE));
+}
+
static inline int pte_soft_dirty(pte_t pte)
{
return pte_val(pte) & _PAGE_SOFT_DIRTY;
@@ -1712,18 +1730,18 @@ static inline int has_transparent_hugepage(void)
/*
* 64 bit swap entry format:
* A page-table entry has some bits we have to treat in a special way.
- * Bits 52 and bit 55 have to be zero, otherwise a specification
- * exception will occur instead of a page translation exception. The
- * specification exception has the bad habit not to store necessary
- * information in the lowcore.
- * Bits 54 and 63 are used to indicate the page type.
+ * Bits 54 and 63 are used to indicate the page type. Bit 53 marks the pte
+ * as invalid.
* A swap pte is indicated by bit pattern (pte & 0x201) == 0x200
- * This leaves the bits 0-51 and bits 56-62 to store type and offset.
- * We use the 5 bits from 57-61 for the type and the 52 bits from 0-51
- * for the offset.
- * | offset |01100|type |00|
+ * | offset |E11XX|type |S0|
* |0000000000111111111122222222223333333333444444444455|55555|55566|66|
* |0123456789012345678901234567890123456789012345678901|23456|78901|23|
+ *
+ * Bits 0-51 store the offset.
+ * Bit 52 (E) is used to remember PG_anon_exclusive.
+ * Bits 57-61 store the type.
+ * Bit 62 (S) is used for softdirty tracking.
+ * Bits 55 and 56 (X) are unused.
*/
#define __SWP_OFFSET_MASK ((1UL << 52) - 1)
diff --git a/arch/s390/include/asm/preempt.h b/arch/s390/include/asm/preempt.h
index d9d5350cc3ec..bf15da0fedbc 100644
--- a/arch/s390/include/asm/preempt.h
+++ b/arch/s390/include/asm/preempt.h
@@ -46,10 +46,17 @@ static inline bool test_preempt_need_resched(void)
static inline void __preempt_count_add(int val)
{
- if (__builtin_constant_p(val) && (val >= -128) && (val <= 127))
- __atomic_add_const(val, &S390_lowcore.preempt_count);
- else
- __atomic_add(val, &S390_lowcore.preempt_count);
+ /*
+ * With some obscure config options and CONFIG_PROFILE_ALL_BRANCHES
+ * enabled, gcc 12 fails to handle __builtin_constant_p().
+ */
+ if (!IS_ENABLED(CONFIG_PROFILE_ALL_BRANCHES)) {
+ if (__builtin_constant_p(val) && (val >= -128) && (val <= 127)) {
+ __atomic_add_const(val, &S390_lowcore.preempt_count);
+ return;
+ }
+ }
+ __atomic_add(val, &S390_lowcore.preempt_count);
}
static inline void __preempt_count_sub(int val)
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index ff1e25d515a8..add764a2be8c 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -83,6 +83,7 @@ void cpu_detect_mhz_feature(void);
extern const struct seq_operations cpuinfo_op;
extern void execve_tail(void);
extern void __bpon(void);
+unsigned long vdso_size(void);
/*
* User space process size: 2GB for 31 bit, 4TB or 8PT for 64 bit.
@@ -94,9 +95,10 @@ extern void __bpon(void);
(_REGION3_SIZE >> 1) : (_REGION2_SIZE >> 1))
#define TASK_SIZE_MAX (-PAGE_SIZE)
-#define STACK_TOP (test_thread_flag(TIF_31BIT) ? \
- _REGION3_SIZE : _REGION2_SIZE)
-#define STACK_TOP_MAX _REGION2_SIZE
+#define VDSO_BASE (STACK_TOP + PAGE_SIZE)
+#define VDSO_LIMIT (test_thread_flag(TIF_31BIT) ? _REGION3_SIZE : _REGION2_SIZE)
+#define STACK_TOP (VDSO_LIMIT - vdso_size() - PAGE_SIZE)
+#define STACK_TOP_MAX (_REGION2_SIZE - vdso_size() - PAGE_SIZE)
#define HAVE_ARCH_PICK_MMAP_LAYOUT
diff --git a/arch/s390/include/asm/ptrace.h b/arch/s390/include/asm/ptrace.h
index ddb70fb13fbc..8bae33ab320a 100644
--- a/arch/s390/include/asm/ptrace.h
+++ b/arch/s390/include/asm/ptrace.h
@@ -71,6 +71,35 @@ enum {
&(*(struct psw_bits *)(&(__psw))); \
}))
+#define PSW32_MASK_PER 0x40000000UL
+#define PSW32_MASK_DAT 0x04000000UL
+#define PSW32_MASK_IO 0x02000000UL
+#define PSW32_MASK_EXT 0x01000000UL
+#define PSW32_MASK_KEY 0x00F00000UL
+#define PSW32_MASK_BASE 0x00080000UL /* Always one */
+#define PSW32_MASK_MCHECK 0x00040000UL
+#define PSW32_MASK_WAIT 0x00020000UL
+#define PSW32_MASK_PSTATE 0x00010000UL
+#define PSW32_MASK_ASC 0x0000C000UL
+#define PSW32_MASK_CC 0x00003000UL
+#define PSW32_MASK_PM 0x00000f00UL
+#define PSW32_MASK_RI 0x00000080UL
+
+#define PSW32_ADDR_AMODE 0x80000000UL
+#define PSW32_ADDR_INSN 0x7FFFFFFFUL
+
+#define PSW32_DEFAULT_KEY (((u32)PAGE_DEFAULT_ACC) << 20)
+
+#define PSW32_ASC_PRIMARY 0x00000000UL
+#define PSW32_ASC_ACCREG 0x00004000UL
+#define PSW32_ASC_SECONDARY 0x00008000UL
+#define PSW32_ASC_HOME 0x0000C000UL
+
+typedef struct {
+ unsigned int mask;
+ unsigned int addr;
+} psw_t32 __aligned(8);
+
#define PGM_INT_CODE_MASK 0x7f
#define PGM_INT_CODE_PER 0x80
diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h
index 04cb1e7582a6..236b34b75ddb 100644
--- a/arch/s390/include/asm/sclp.h
+++ b/arch/s390/include/asm/sclp.h
@@ -87,6 +87,7 @@ struct sclp_info {
unsigned char has_diag318 : 1;
unsigned char has_sipl : 1;
unsigned char has_dirq : 1;
+ unsigned char has_iplcc : 1;
unsigned int ibc;
unsigned int mtid;
unsigned int mtid_cp;
diff --git a/arch/s390/include/asm/scsw.h b/arch/s390/include/asm/scsw.h
index a7c3ccf681da..7ce584aff5bb 100644
--- a/arch/s390/include/asm/scsw.h
+++ b/arch/s390/include/asm/scsw.h
@@ -508,9 +508,21 @@ static inline int scsw_cmd_is_valid_zcc(union scsw *scsw)
*/
static inline int scsw_cmd_is_valid_ectl(union scsw *scsw)
{
- return (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND) &&
- !(scsw->cmd.stctl & SCSW_STCTL_INTER_STATUS) &&
- (scsw->cmd.stctl & SCSW_STCTL_ALERT_STATUS);
+ /* Must be status pending. */
+ if (!(scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND))
+ return 0;
+
+ /* Must have alert status. */
+ if (!(scsw->cmd.stctl & SCSW_STCTL_ALERT_STATUS))
+ return 0;
+
+ /* Must be alone or together with primary, secondary or both,
+ * => no intermediate status.
+ */
+ if (scsw->cmd.stctl & SCSW_STCTL_INTER_STATUS)
+ return 0;
+
+ return 1;
}
/**
@@ -522,10 +534,25 @@ static inline int scsw_cmd_is_valid_ectl(union scsw *scsw)
*/
static inline int scsw_cmd_is_valid_pno(union scsw *scsw)
{
- return (scsw->cmd.fctl != 0) &&
- (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND) &&
- (!(scsw->cmd.stctl & SCSW_STCTL_INTER_STATUS) ||
- (scsw->cmd.actl & SCSW_ACTL_SUSPENDED));
+ /* Must indicate at least one I/O function. */
+ if (!scsw->cmd.fctl)
+ return 0;
+
+ /* Must be status pending. */
+ if (!(scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND))
+ return 0;
+
+ /* Can be status pending alone, or with any combination of primary,
+ * secondary and alert => no intermediate status.
+ */
+ if (!(scsw->cmd.stctl & SCSW_STCTL_INTER_STATUS))
+ return 1;
+
+ /* If intermediate, must be suspended. */
+ if (scsw->cmd.actl & SCSW_ACTL_SUSPENDED)
+ return 1;
+
+ return 0;
}
/**
@@ -675,9 +702,21 @@ static inline int scsw_tm_is_valid_q(union scsw *scsw)
*/
static inline int scsw_tm_is_valid_ectl(union scsw *scsw)
{
- return (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND) &&
- !(scsw->tm.stctl & SCSW_STCTL_INTER_STATUS) &&
- (scsw->tm.stctl & SCSW_STCTL_ALERT_STATUS);
+ /* Must be status pending. */
+ if (!(scsw->tm.stctl & SCSW_STCTL_STATUS_PEND))
+ return 0;
+
+ /* Must have alert status. */
+ if (!(scsw->tm.stctl & SCSW_STCTL_ALERT_STATUS))
+ return 0;
+
+ /* Must be alone or together with primary, secondary or both,
+ * => no intermediate status.
+ */
+ if (scsw->tm.stctl & SCSW_STCTL_INTER_STATUS)
+ return 0;
+
+ return 1;
}
/**
@@ -689,11 +728,25 @@ static inline int scsw_tm_is_valid_ectl(union scsw *scsw)
*/
static inline int scsw_tm_is_valid_pno(union scsw *scsw)
{
- return (scsw->tm.fctl != 0) &&
- (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND) &&
- (!(scsw->tm.stctl & SCSW_STCTL_INTER_STATUS) ||
- ((scsw->tm.stctl & SCSW_STCTL_INTER_STATUS) &&
- (scsw->tm.actl & SCSW_ACTL_SUSPENDED)));
+ /* Must indicate at least one I/O function. */
+ if (!scsw->tm.fctl)
+ return 0;
+
+ /* Must be status pending. */
+ if (!(scsw->tm.stctl & SCSW_STCTL_STATUS_PEND))
+ return 0;
+
+ /* Can be status pending alone, or with any combination of primary,
+ * secondary and alert => no intermediate status.
+ */
+ if (!(scsw->tm.stctl & SCSW_STCTL_INTER_STATUS))
+ return 1;
+
+ /* If intermediate, must be suspended. */
+ if (scsw->tm.actl & SCSW_ACTL_SUSPENDED)
+ return 1;
+
+ return 0;
}
/**
diff --git a/arch/s390/include/asm/spinlock.h b/arch/s390/include/asm/spinlock.h
index 24a54443c865..37127cd7749e 100644
--- a/arch/s390/include/asm/spinlock.h
+++ b/arch/s390/include/asm/spinlock.h
@@ -77,8 +77,9 @@ static inline int arch_spin_trylock(arch_spinlock_t *lp)
static inline void arch_spin_unlock(arch_spinlock_t *lp)
{
typecheck(int, lp->lock);
+ kcsan_release();
asm_inline volatile(
- ALTERNATIVE("", ".insn rre,0xb2fa0000,7,0", 49) /* NIAI 7 */
+ ALTERNATIVE("nop", ".insn rre,0xb2fa0000,7,0", 49) /* NIAI 7 */
" sth %1,%0\n"
: "=R" (((unsigned short *) &lp->lock)[1])
: "d" (0) : "cc", "memory");
diff --git a/arch/s390/include/asm/stp.h b/arch/s390/include/asm/stp.h
index ba07463897c1..4d74d7e33340 100644
--- a/arch/s390/include/asm/stp.h
+++ b/arch/s390/include/asm/stp.h
@@ -44,8 +44,8 @@ struct stp_sstpi {
u32 : 32;
u32 ctnid[3];
u32 : 32;
- u32 todoff[4];
- u32 rsvd[48];
+ u64 todoff;
+ u32 rsvd[50];
} __packed;
struct stp_tzib {
diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h
index 2cfce42aa7fc..ce878e85b6e4 100644
--- a/arch/s390/include/asm/timex.h
+++ b/arch/s390/include/asm/timex.h
@@ -197,6 +197,7 @@ static inline cycles_t get_cycles(void)
{
return (cycles_t) get_tod_clock() >> 2;
}
+#define get_cycles get_cycles
int get_phys_clock(unsigned long *clock);
void init_cpu_timer(void);
diff --git a/arch/s390/include/asm/vx-insn.h b/arch/s390/include/asm/vx-insn.h
index 87e6cc2aeba4..95480ed9149e 100644
--- a/arch/s390/include/asm/vx-insn.h
+++ b/arch/s390/include/asm/vx-insn.h
@@ -366,7 +366,7 @@
.macro VLM vfrom, vto, disp, base, hint=3
VX_NUM v1, \vfrom
VX_NUM v3, \vto
- GR_NUM b2, \base /* Base register */
+ GR_NUM b2, \base
.word 0xE700 | ((v1&15) << 4) | (v3&15)
.word (b2 << 12) | (\disp)
MRXBOPC \hint, 0x36, v1, v3
@@ -376,7 +376,7 @@
.macro VST vr1, disp, index="%r0", base
VX_NUM v1, \vr1
GR_NUM x2, \index
- GR_NUM b2, \base /* Base register */
+ GR_NUM b2, \base
.word 0xE700 | ((v1&15) << 4) | (x2&15)
.word (b2 << 12) | (\disp)
MRXBOPC 0, 0x0E, v1
@@ -386,7 +386,7 @@
.macro VSTM vfrom, vto, disp, base, hint=3
VX_NUM v1, \vfrom
VX_NUM v3, \vto
- GR_NUM b2, \base /* Base register */
+ GR_NUM b2, \base
.word 0xE700 | ((v1&15) << 4) | (v3&15)
.word (b2 << 12) | (\disp)
MRXBOPC \hint, 0x3E, v1, v3
diff --git a/arch/s390/include/uapi/asm/pkey.h b/arch/s390/include/uapi/asm/pkey.h
index 7349e96d28a0..924b876f992c 100644
--- a/arch/s390/include/uapi/asm/pkey.h
+++ b/arch/s390/include/uapi/asm/pkey.h
@@ -171,7 +171,7 @@ struct pkey_skey2pkey {
#define PKEY_SKEY2PKEY _IOWR(PKEY_IOCTL_MAGIC, 0x06, struct pkey_skey2pkey)
/*
- * Verify the given CCA AES secure key for being able to be useable with
+ * Verify the given CCA AES secure key for being able to be usable with
* the pkey module. Check for correct key type and check for having at
* least one crypto card being able to handle this key (master key
* or old master key verification pattern matches).
diff --git a/arch/s390/include/uapi/asm/zcrypt.h b/arch/s390/include/uapi/asm/zcrypt.h
index 2f04a5499d74..d83713f67530 100644
--- a/arch/s390/include/uapi/asm/zcrypt.h
+++ b/arch/s390/include/uapi/asm/zcrypt.h
@@ -4,7 +4,7 @@
*
* zcrypt 2.2.1 (user-visible header)
*
- * Copyright IBM Corp. 2001, 2019
+ * Copyright IBM Corp. 2001, 2022
* Author(s): Robert Burroughs
* Eric Rossman (edrossma@us.ibm.com)
*
@@ -85,7 +85,7 @@ struct ica_rsa_modexpo_crt {
struct CPRBX {
__u16 cprb_len; /* CPRB length 220 */
__u8 cprb_ver_id; /* CPRB version id. 0x02 */
- __u8 pad_000[3]; /* Alignment pad bytes */
+ __u8 _pad_000[3]; /* Alignment pad bytes */
__u8 func_id[2]; /* function id 0x5432 */
__u8 cprb_flags[4]; /* Flags */
__u32 req_parml; /* request parameter buffer len */
@@ -95,19 +95,19 @@ struct CPRBX {
__u32 rpl_datal; /* reply data block len */
__u32 rpld_datal; /* replied data block len */
__u32 req_extbl; /* request extension block len */
- __u8 pad_001[4]; /* reserved */
+ __u8 _pad_001[4]; /* reserved */
__u32 rpld_extbl; /* replied extension block len */
- __u8 padx000[16 - sizeof(__u8 *)];
+ __u8 _pad_002[16 - sizeof(__u8 *)];
__u8 __user *req_parmb; /* request parm block 'address' */
- __u8 padx001[16 - sizeof(__u8 *)];
+ __u8 _pad_003[16 - sizeof(__u8 *)];
__u8 __user *req_datab; /* request data block 'address' */
- __u8 padx002[16 - sizeof(__u8 *)];
+ __u8 _pad_004[16 - sizeof(__u8 *)];
__u8 __user *rpl_parmb; /* reply parm block 'address' */
- __u8 padx003[16 - sizeof(__u8 *)];
+ __u8 _pad_005[16 - sizeof(__u8 *)];
__u8 __user *rpl_datab; /* reply data block 'address' */
- __u8 padx004[16 - sizeof(__u8 *)];
+ __u8 _pad_006[16 - sizeof(__u8 *)];
__u8 __user *req_extb; /* request extension block 'addr'*/
- __u8 padx005[16 - sizeof(__u8 *)];
+ __u8 _pad_007[16 - sizeof(__u8 *)];
__u8 __user *rpl_extb; /* reply extension block 'address'*/
__u16 ccp_rtcode; /* server return code */
__u16 ccp_rscode; /* server reason code */
@@ -115,12 +115,10 @@ struct CPRBX {
__u8 logon_id[8]; /* Logon Identifier */
__u8 mac_value[8]; /* Mac Value */
__u8 mac_content_flgs; /* Mac content flag byte */
- __u8 pad_002; /* Alignment */
+ __u8 _pad_008; /* Alignment */
__u16 domain; /* Domain */
- __u8 usage_domain[4]; /* Usage domain */
- __u8 cntrl_domain[4]; /* Control domain */
- __u8 S390enf_mask[4]; /* S/390 enforcement mask */
- __u8 pad_004[36]; /* reserved */
+ __u8 _pad_009[12]; /* reserved, checked for zeros */
+ __u8 _pad_010[36]; /* reserved */
} __attribute__((packed));
/**
@@ -238,8 +236,8 @@ struct zcrypt_device_matrix_ext {
};
#define AUTOSELECT 0xFFFFFFFF
-#define AUTOSEL_AP ((__u16) 0xFFFF)
-#define AUTOSEL_DOM ((__u16) 0xFFFF)
+#define AUTOSEL_AP ((__u16)0xFFFF)
+#define AUTOSEL_DOM ((__u16)0xFFFF)
#define ZCRYPT_IOCTL_MAGIC 'z'
@@ -305,12 +303,12 @@ struct zcrypt_device_matrix_ext {
/**
* Supported ioctl calls
*/
-#define ICARSAMODEXPO _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x05, 0)
-#define ICARSACRT _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x06, 0)
-#define ZSECSENDCPRB _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x81, 0)
-#define ZSENDEP11CPRB _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x04, 0)
+#define ICARSAMODEXPO _IOC(_IOC_READ | _IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x05, 0)
+#define ICARSACRT _IOC(_IOC_READ | _IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x06, 0)
+#define ZSECSENDCPRB _IOC(_IOC_READ | _IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x81, 0)
+#define ZSENDEP11CPRB _IOC(_IOC_READ | _IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x04, 0)
-#define ZCRYPT_DEVICE_STATUS _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x5f, 0)
+#define ZCRYPT_DEVICE_STATUS _IOC(_IOC_READ | _IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x5f, 0)
#define ZCRYPT_STATUS_MASK _IOR(ZCRYPT_IOCTL_MAGIC, 0x58, char[MAX_ZDEV_CARDIDS_EXT])
#define ZCRYPT_QDEPTH_MASK _IOR(ZCRYPT_IOCTL_MAGIC, 0x59, char[MAX_ZDEV_CARDIDS_EXT])
#define ZCRYPT_PERDEV_REQCNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x5a, int[MAX_ZDEV_CARDIDS_EXT])
@@ -352,7 +350,7 @@ struct zcrypt_device_matrix {
};
/* Deprecated: use ZCRYPT_DEVICE_STATUS */
-#define ZDEVICESTATUS _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x4f, 0)
+#define ZDEVICESTATUS _IOC(_IOC_READ | _IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x4f, 0)
/* Deprecated: use ZCRYPT_STATUS_MASK */
#define Z90STAT_STATUS_MASK _IOR(ZCRYPT_IOCTL_MAGIC, 0x48, char[64])
/* Deprecated: use ZCRYPT_QDEPTH_MASK */