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author | Dave Airlie <airlied@redhat.com> | 2017-10-12 10:20:03 +1000 |
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committer | Dave Airlie <airlied@redhat.com> | 2017-10-12 10:20:03 +1000 |
commit | c5c7bc71a0e6bc382744497e45c6c70503f9d7e6 (patch) | |
tree | 35a00018aa6165ce0c17e2e2d4aa398ffea119bc /tools/testing | |
parent | 418da17214aca5ef5f0b6f7588905ee7df92f98f (diff) | |
parent | e18063e88bd579c479a2b45820be6c4625f841c3 (diff) | |
download | linux-stable-c5c7bc71a0e6bc382744497e45c6c70503f9d7e6.tar.gz linux-stable-c5c7bc71a0e6bc382744497e45c6c70503f9d7e6.tar.bz2 linux-stable-c5c7bc71a0e6bc382744497e45c6c70503f9d7e6.zip |
Merge tag 'drm-intel-next-2017-09-29' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2nd batch of v4.15 features:
- lib/scatterlist updates, use for userptr allocations (Tvrtko)
- Fixed point wrapper cleanup (Mahesh)
- Gen9+ transition watermarks, watermark optimization and fixes (Mahesh)
- Display IPC (Isochronous Priority Control) support (Mahesh)
- GEM workaround fixes (Oscar)
- GVT: PCI config sanitize series (Changbin)
- GVT: Workload submission error handling series (Fred)
- PSR fixes and refactoring (Rodrigo)
- HWSP based optimizations (Chris)
- Private PAT management (Zhi)
- IRQ handling fixes and refactoring (Ville)
- Module parameter refactoring and variable name clash fix (Michal)
- Execlist refactoring, incomplete request unwinding on reset (Chris)
- GuC scheduling improvements (Michal)
- OA updates (Lionel)
- Coffeelake out of alpha support (Rodrigo)
- seqno fixes (Chris)
- Execlist refactoring (Mika)
- DP and DP MST cleanups (Dhinakaran)
- Cannonlake slice/sublice config (Ben)
- Numerous fixes all around (Everyone)
* tag 'drm-intel-next-2017-09-29' of git://anongit.freedesktop.org/drm/drm-intel: (168 commits)
drm/i915: Update DRIVER_DATE to 20170929
drm/i915: Use memset64() to prefill the GTT page
drm/i915: Also discard second CRC on gen8+ platforms.
drm/i915/psr: Set frames before SU entry for psr2
drm/dp: Add defines for latency in sink
drm/i915: Allow optimized platform checks
drm/i915: Avoid using dev_priv->info.gen directly.
i915: Use %pS printk format for direct addresses
drm/i915/execlists: Notify context-out for lost requests
drm/i915/cnl: Add support slice/subslice/eu configs
drm/i915: Compact device info access by a small re-ordering
drm/i915: Add IS_PLATFORM macro
drm/i915/selftests: Try to recover from a wedged GPU during reset tests
drm/i915/huc: Reorganize HuC authentication
drm/i915: Fix default values of some modparams
drm/i915: Extend I915_PARAMS_FOR_EACH with default member value
drm/i915: Make I915_PARAMS_FOR_EACH macro more flexible
drm/i915: Enable scanline read based on frame timestamps
drm/i915/execlists: Microoptimise execlists_cancel_port_request()
drm/i915: Don't rmw PIPESTAT enable bits
...
Diffstat (limited to 'tools/testing')
-rw-r--r-- | tools/testing/scatterlist/Makefile | 30 | ||||
-rw-r--r-- | tools/testing/scatterlist/linux/mm.h | 125 | ||||
-rw-r--r-- | tools/testing/scatterlist/main.c | 79 |
3 files changed, 234 insertions, 0 deletions
diff --git a/tools/testing/scatterlist/Makefile b/tools/testing/scatterlist/Makefile new file mode 100644 index 000000000000..933c3a6e4d77 --- /dev/null +++ b/tools/testing/scatterlist/Makefile @@ -0,0 +1,30 @@ +CFLAGS += -I. -I../../include -g -O2 -Wall -fsanitize=address +LDFLAGS += -fsanitize=address -fsanitize=undefined +TARGETS = main +OFILES = main.o scatterlist.o + +ifeq ($(BUILD), 32) + CFLAGS += -m32 + LDFLAGS += -m32 +endif + +targets: include $(TARGETS) + +main: $(OFILES) + +clean: + $(RM) $(TARGETS) $(OFILES) scatterlist.c linux/scatterlist.h linux/highmem.h linux/kmemleak.h asm/io.h + @rmdir asm + +scatterlist.c: ../../../lib/scatterlist.c + @sed -e 's/^static //' -e 's/__always_inline //' -e 's/inline //' < $< > $@ + +.PHONY: include + +include: ../../../include/linux/scatterlist.h + @mkdir -p linux + @mkdir -p asm + @touch asm/io.h + @touch linux/highmem.h + @touch linux/kmemleak.h + @cp $< linux/scatterlist.h diff --git a/tools/testing/scatterlist/linux/mm.h b/tools/testing/scatterlist/linux/mm.h new file mode 100644 index 000000000000..6f9ac14aa800 --- /dev/null +++ b/tools/testing/scatterlist/linux/mm.h @@ -0,0 +1,125 @@ +#ifndef _LINUX_MM_H +#define _LINUX_MM_H + +#include <assert.h> +#include <string.h> +#include <stdlib.h> +#include <errno.h> +#include <limits.h> +#include <stdio.h> + +typedef unsigned long dma_addr_t; + +#define unlikely + +#define BUG_ON(x) assert(!(x)) + +#define WARN_ON(condition) ({ \ + int __ret_warn_on = !!(condition); \ + unlikely(__ret_warn_on); \ +}) + +#define WARN_ON_ONCE(condition) ({ \ + int __ret_warn_on = !!(condition); \ + if (unlikely(__ret_warn_on)) \ + assert(0); \ + unlikely(__ret_warn_on); \ +}) + +#define PAGE_SIZE (4096) +#define PAGE_SHIFT (12) +#define PAGE_MASK (~(PAGE_SIZE-1)) + +#define __ALIGN_KERNEL(x, a) __ALIGN_KERNEL_MASK(x, (typeof(x))(a) - 1) +#define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask)) +#define ALIGN(x, a) __ALIGN_KERNEL((x), (a)) + +#define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE) + +#define offset_in_page(p) ((unsigned long)(p) & ~PAGE_MASK) + +#define virt_to_page(x) ((void *)x) +#define page_address(x) ((void *)x) + +static inline unsigned long page_to_phys(struct page *page) +{ + assert(0); + + return 0; +} + +#define page_to_pfn(page) ((unsigned long)(page) / PAGE_SIZE) +#define pfn_to_page(pfn) (void *)((pfn) * PAGE_SIZE) +#define nth_page(page,n) pfn_to_page(page_to_pfn((page)) + (n)) + +#define __min(t1, t2, min1, min2, x, y) ({ \ + t1 min1 = (x); \ + t2 min2 = (y); \ + (void) (&min1 == &min2); \ + min1 < min2 ? min1 : min2; }) + +#define ___PASTE(a,b) a##b +#define __PASTE(a,b) ___PASTE(a,b) + +#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) + +#define min(x, y) \ + __min(typeof(x), typeof(y), \ + __UNIQUE_ID(min1_), __UNIQUE_ID(min2_), \ + x, y) + +#define min_t(type, x, y) \ + __min(type, type, \ + __UNIQUE_ID(min1_), __UNIQUE_ID(min2_), \ + x, y) + +#define preemptible() (1) + +static inline void *kmap(struct page *page) +{ + assert(0); + + return NULL; +} + +static inline void *kmap_atomic(struct page *page) +{ + assert(0); + + return NULL; +} + +static inline void kunmap(void *addr) +{ + assert(0); +} + +static inline void kunmap_atomic(void *addr) +{ + assert(0); +} + +static inline unsigned long __get_free_page(unsigned int flags) +{ + return (unsigned long)malloc(PAGE_SIZE); +} + +static inline void free_page(unsigned long page) +{ + free((void *)page); +} + +static inline void *kmalloc(unsigned int size, unsigned int flags) +{ + return malloc(size); +} + +#define kfree(x) free(x) + +#define kmemleak_alloc(a, b, c, d) +#define kmemleak_free(a) + +#define PageSlab(p) (0) +#define flush_kernel_dcache_page(p) + +#endif diff --git a/tools/testing/scatterlist/main.c b/tools/testing/scatterlist/main.c new file mode 100644 index 000000000000..0a1464181226 --- /dev/null +++ b/tools/testing/scatterlist/main.c @@ -0,0 +1,79 @@ +#include <stdio.h> +#include <assert.h> + +#include <linux/scatterlist.h> + +#define MAX_PAGES (64) + +static void set_pages(struct page **pages, const unsigned *array, unsigned num) +{ + unsigned int i; + + assert(num < MAX_PAGES); + for (i = 0; i < num; i++) + pages[i] = (struct page *)(unsigned long) + ((1 + array[i]) * PAGE_SIZE); +} + +#define pfn(...) (unsigned []){ __VA_ARGS__ } + +int main(void) +{ + const unsigned int sgmax = SCATTERLIST_MAX_SEGMENT; + struct test { + int alloc_ret; + unsigned num_pages; + unsigned *pfn; + unsigned size; + unsigned int max_seg; + unsigned int expected_segments; + } *test, tests[] = { + { -EINVAL, 1, pfn(0), PAGE_SIZE, PAGE_SIZE + 1, 1 }, + { -EINVAL, 1, pfn(0), PAGE_SIZE, 0, 1 }, + { -EINVAL, 1, pfn(0), PAGE_SIZE, sgmax + 1, 1 }, + { 0, 1, pfn(0), PAGE_SIZE, sgmax, 1 }, + { 0, 1, pfn(0), 1, sgmax, 1 }, + { 0, 2, pfn(0, 1), 2 * PAGE_SIZE, sgmax, 1 }, + { 0, 2, pfn(1, 0), 2 * PAGE_SIZE, sgmax, 2 }, + { 0, 3, pfn(0, 1, 2), 3 * PAGE_SIZE, sgmax, 1 }, + { 0, 3, pfn(0, 2, 1), 3 * PAGE_SIZE, sgmax, 3 }, + { 0, 3, pfn(0, 1, 3), 3 * PAGE_SIZE, sgmax, 2 }, + { 0, 3, pfn(1, 2, 4), 3 * PAGE_SIZE, sgmax, 2 }, + { 0, 3, pfn(1, 3, 4), 3 * PAGE_SIZE, sgmax, 2 }, + { 0, 4, pfn(0, 1, 3, 4), 4 * PAGE_SIZE, sgmax, 2 }, + { 0, 5, pfn(0, 1, 3, 4, 5), 5 * PAGE_SIZE, sgmax, 2 }, + { 0, 5, pfn(0, 1, 3, 4, 6), 5 * PAGE_SIZE, sgmax, 3 }, + { 0, 5, pfn(0, 1, 2, 3, 4), 5 * PAGE_SIZE, sgmax, 1 }, + { 0, 5, pfn(0, 1, 2, 3, 4), 5 * PAGE_SIZE, 2 * PAGE_SIZE, 3 }, + { 0, 6, pfn(0, 1, 2, 3, 4, 5), 6 * PAGE_SIZE, 2 * PAGE_SIZE, 3 }, + { 0, 6, pfn(0, 2, 3, 4, 5, 6), 6 * PAGE_SIZE, 2 * PAGE_SIZE, 4 }, + { 0, 6, pfn(0, 1, 3, 4, 5, 6), 6 * PAGE_SIZE, 2 * PAGE_SIZE, 3 }, + { 0, 0, NULL, 0, 0, 0 }, + }; + unsigned int i; + + for (i = 0, test = tests; test->expected_segments; test++, i++) { + struct page *pages[MAX_PAGES]; + struct sg_table st; + int ret; + + set_pages(pages, test->pfn, test->num_pages); + + ret = __sg_alloc_table_from_pages(&st, pages, test->num_pages, + 0, test->size, test->max_seg, + GFP_KERNEL); + assert(ret == test->alloc_ret); + + if (test->alloc_ret) + continue; + + assert(st.nents == test->expected_segments); + assert(st.orig_nents == test->expected_segments); + + sg_free_table(&st); + } + + assert(i == (sizeof(tests) / sizeof(tests[0])) - 1); + + return 0; +} |