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igt/gem_exec_reloc: Check WC mmaps as well

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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2016-02-19 10:31:44 +00:00
parent 15deba4575
commit 556535400c
1 changed files with 30 additions and 18 deletions
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46
tests/gem_exec_reloc.c
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@ -88,14 +88,17 @@ static void write_dword(int fd,
gem_close(fd, obj[1].handle); gem_close(fd, obj[1].handle);
} }
static void from_mmap(int fd, uint64_t size, int use_gtt) enum mode { MEM, CPU, WC, GTT };
static void from_mmap(int fd, uint64_t size, enum mode mode)
{ {
uint32_t bbe = MI_BATCH_BUFFER_END; uint32_t bbe = MI_BATCH_BUFFER_END;
struct drm_i915_gem_execbuffer2 execbuf; struct drm_i915_gem_execbuffer2 execbuf;
struct drm_i915_gem_exec_object2 obj; struct drm_i915_gem_exec_object2 obj;
struct drm_i915_gem_relocation_entry *relocs; struct drm_i915_gem_relocation_entry *relocs;
uint32_t reloc_handle;
uint64_t value; uint64_t value;
uint64_t max, i; uint64_t max, i;
int retry = 2;
intel_require_memory(1, size, CHECK_RAM); intel_require_memory(1, size, CHECK_RAM);
@ -104,32 +107,39 @@ static void from_mmap(int fd, uint64_t size, int use_gtt)
gem_write(fd, obj.handle, 0, &bbe, sizeof(bbe)); gem_write(fd, obj.handle, 0, &bbe, sizeof(bbe));
max = size / sizeof(*relocs); max = size / sizeof(*relocs);
if (use_gtt < 0) { switch (mode) {
case MEM:
relocs = mmap(0, size, relocs = mmap(0, size,
PROT_WRITE, MAP_PRIVATE | MAP_ANON, PROT_WRITE, MAP_PRIVATE | MAP_ANON,
-1, 0); -1, 0);
igt_assert(relocs != (void *)-1); igt_assert(relocs != (void *)-1);
} else if (use_gtt) { break;
uint32_t reloc_handle; case GTT:
reloc_handle = gem_create(fd, size); reloc_handle = gem_create(fd, size);
relocs = gem_mmap__gtt(fd, reloc_handle, size, PROT_WRITE); relocs = gem_mmap__gtt(fd, reloc_handle, size, PROT_WRITE);
gem_set_domain(fd, reloc_handle, gem_set_domain(fd, reloc_handle,
I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT); I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT);
gem_close(fd, reloc_handle); gem_close(fd, reloc_handle);
} else { break;
uint32_t reloc_handle; case CPU:
reloc_handle = gem_create(fd, size); reloc_handle = gem_create(fd, size);
relocs = gem_mmap__cpu(fd, reloc_handle, 0, size, PROT_WRITE); relocs = gem_mmap__cpu(fd, reloc_handle, 0, size, PROT_WRITE);
gem_set_domain(fd, reloc_handle, gem_set_domain(fd, reloc_handle,
I915_GEM_DOMAIN_CPU, I915_GEM_DOMAIN_CPU); I915_GEM_DOMAIN_CPU, I915_GEM_DOMAIN_CPU);
gem_close(fd, reloc_handle); gem_close(fd, reloc_handle);
break;
case WC:
reloc_handle = gem_create(fd, size);
relocs = gem_mmap__wc(fd, reloc_handle, 0, size, PROT_WRITE);
gem_set_domain(fd, reloc_handle,
I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT);
gem_close(fd, reloc_handle);
break;
} }
for (i = 0; i < max; i++) { for (i = 0; i < max; i++) {
relocs[i].target_handle = obj.handle; relocs[i].target_handle = obj.handle;
relocs[i].presumed_offset = 0; relocs[i].presumed_offset = ~0ull;
relocs[i].offset = 1024; relocs[i].offset = 1024;
relocs[i].delta = i; relocs[i].delta = i;
relocs[i].read_domains = I915_GEM_DOMAIN_INSTRUCTION; relocs[i].read_domains = I915_GEM_DOMAIN_INSTRUCTION;
@ -141,16 +151,16 @@ static void from_mmap(int fd, uint64_t size, int use_gtt)
memset(&execbuf, 0, sizeof(execbuf)); memset(&execbuf, 0, sizeof(execbuf));
execbuf.buffers_ptr = (uintptr_t)&obj; execbuf.buffers_ptr = (uintptr_t)&obj;
execbuf.buffer_count = 1; execbuf.buffer_count = 1;
while (relocs[0].presumed_offset == ~0ull && retry--)
gem_execbuf(fd, &execbuf); gem_execbuf(fd, &execbuf);
gem_read(fd, obj.handle, 1024, &value, sizeof(value)); gem_read(fd, obj.handle, 1024, &value, sizeof(value));
gem_close(fd, obj.handle); gem_close(fd, obj.handle);
igt_assert_eq_u64(value, obj.offset + max - 1); igt_assert_eq_u64(value, obj.offset + max - 1);
for (i = 0; i < max; i++) { if (relocs[0].presumed_offset != ~0ull) {
if (relocs[i].presumed_offset == ~0ull) for (i = 0; i < max; i++)
continue; igt_assert_eq_u64(relocs[i].presumed_offset,
obj.offset);
igt_assert_eq_u64(relocs[i].presumed_offset, obj.offset);
} }
munmap(relocs, size); munmap(relocs, size);
} }
@ -215,11 +225,13 @@ igt_main
for (size = 4096; size <= 4ull*1024*1024*1024; size <<= 1) { for (size = 4096; size <= 4ull*1024*1024*1024; size <<= 1) {
igt_subtest_f("mmap-%u", find_last_set(size) - 1) igt_subtest_f("mmap-%u", find_last_set(size) - 1)
from_mmap(fd, size, -1); from_mmap(fd, size, MEM);
igt_subtest_f("cpu-%u", find_last_set(size) - 1) igt_subtest_f("cpu-%u", find_last_set(size) - 1)
from_mmap(fd, size, 0); from_mmap(fd, size, CPU);
igt_subtest_f("wc-%u", find_last_set(size) - 1)
from_mmap(fd, size, WC);
igt_subtest_f("gtt-%u", find_last_set(size) - 1) igt_subtest_f("gtt-%u", find_last_set(size) - 1)
from_mmap(fd, size, 1); from_mmap(fd, size, GTT);
} }
igt_subtest("gpu") igt_subtest("gpu")