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igt/gem_concurrent_blit: Add userptr backing storage tests

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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2016-01-21 09:53:50 +00:00
parent a4493a54f3
commit 0143d4f337
1 changed files with 104 additions and 1 deletions
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105
tests/gem_concurrent_all.c
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@ -53,6 +53,15 @@
IGT_TEST_DESCRIPTION("Test of pread/pwrite/mmap behavior when writing to active"
" buffers.");
#define LOCAL_I915_GEM_USERPTR 0x33
#define LOCAL_IOCTL_I915_GEM_USERPTR DRM_IOWR (DRM_COMMAND_BASE + LOCAL_I915_GEM_USERPTR, struct local_i915_gem_userptr)
struct local_i915_gem_userptr {
uint64_t user_ptr;
uint64_t user_size;
uint32_t flags;
uint32_t handle;
};
int fd, devid, gen;
struct intel_batchbuffer *batch;
int all;
@ -192,6 +201,14 @@ unmapped_create_bo(drm_intel_bufmgr *bufmgr, int width, int height)
return create_func(bufmgr, (uint64_t)4*width*height);
}
static bool create_snoop_require(void)
{
if (!create_cpu_require())
return false;
return !gem_has_llc(fd);
}
static drm_intel_bo *
snoop_create_bo(drm_intel_bufmgr *bufmgr, int width, int height)
{
@ -206,6 +223,84 @@ snoop_create_bo(drm_intel_bufmgr *bufmgr, int width, int height)
return bo;
}
static bool create_userptr_require(void)
{
static int found = -1;
if (found < 0) {
struct drm_i915_gem_userptr arg;
found = 0;
memset(&arg, 0, sizeof(arg));
arg.user_ptr = -4096ULL;
arg.user_size = 8192;
errno = 0;
drmIoctl(fd, LOCAL_IOCTL_I915_GEM_USERPTR, &arg);
if (errno == EFAULT) {
igt_assert(posix_memalign((void **)&arg.user_ptr,
4096, arg.user_size) == 0);
found = drmIoctl(fd,
LOCAL_IOCTL_I915_GEM_USERPTR,
&arg) == 0;
free((void *)(uintptr_t)arg.user_ptr);
}
}
return found;
}
static drm_intel_bo *
userptr_create_bo(drm_intel_bufmgr *bufmgr, int width, int height)
{
struct local_i915_gem_userptr userptr;
drm_intel_bo *bo;
memset(&userptr, 0, sizeof(userptr));
userptr.user_size = width * height * 4;
userptr.user_size = (userptr.user_size + 4095) & -4096;
igt_assert(posix_memalign((void **)&userptr.user_ptr,
4096, userptr.user_size) == 0);
do_or_die(drmIoctl(fd, LOCAL_IOCTL_I915_GEM_USERPTR, &userptr));
bo = gem_handle_to_libdrm_bo(bufmgr, fd, "userptr", userptr.handle);
bo->virtual = (void *)(uintptr_t)userptr.user_ptr;
return bo;
}
static void
userptr_set_bo(drm_intel_bo *bo, uint32_t val, int width, int height)
{
int size = width * height;
uint32_t *vaddr = bo->virtual;
gem_set_domain(fd, bo->handle,
I915_GEM_DOMAIN_CPU, I915_GEM_DOMAIN_CPU);
while (size--)
*vaddr++ = val;
}
static void
userptr_cmp_bo(drm_intel_bo *bo, uint32_t val, int width, int height, drm_intel_bo *tmp)
{
int size = width * height;
uint32_t *vaddr = bo->virtual;
gem_set_domain(fd, bo->handle,
I915_GEM_DOMAIN_CPU, 0);
while (size--)
igt_assert_eq_u32(*vaddr++, val);
}
static void
userptr_release_bo(drm_intel_bo *bo)
{
free(bo->virtual);
bo->virtual = NULL;
drm_intel_bo_unreference(bo);
}
static void
gtt_set_bo(drm_intel_bo *bo, uint32_t val, int width, int height)
{
@ -431,12 +526,20 @@ const struct access_mode {
},
{
.name = "snoop",
.require = create_cpu_require,
.require = create_snoop_require,
.set_bo = cpu_set_bo,
.cmp_bo = cpu_cmp_bo,
.create_bo = snoop_create_bo,
.release_bo = nop_release_bo,
},
{
.name = "userptr",
.require = create_userptr_require,
.set_bo = userptr_set_bo,
.cmp_bo = userptr_cmp_bo,
.create_bo = userptr_create_bo,
.release_bo = userptr_release_bo,
},
{
.name = "gtt",
.set_bo = gtt_set_bo,