[PATCH i-g-t 1/2] tests/gem_exec_capture: Support gens without relocations
Andrzej Turko
andrzej.turko at linux.intel.com
Mon Aug 9 14:06:55 UTC 2021
With relocations disabled on newer generations tests must assign addresses
to objects by themselves instead of relying on the driver.
Signed-off-by: Andrzej Turko <andrzej.turko at linux.intel.com>
Cc: Zbigniew Kempczyński <zbigniew.kempczynski at intel.com>
---
tests/i915/gem_exec_capture.c | 131 ++++++++++++++++++++++++++--------
1 file changed, 101 insertions(+), 30 deletions(-)
diff --git a/tests/i915/gem_exec_capture.c b/tests/i915/gem_exec_capture.c
index f59cb09da..6e817c46c 100644
--- a/tests/i915/gem_exec_capture.c
+++ b/tests/i915/gem_exec_capture.c
@@ -33,6 +33,8 @@
IGT_TEST_DESCRIPTION("Check that we capture the user specified objects on a hang");
+#define ALIGNMENT (1 << 12)
+
static void check_error_state(int dir, struct drm_i915_gem_exec_object2 *obj)
{
char *error, *str;
@@ -53,7 +55,7 @@ static void check_error_state(int dir, struct drm_i915_gem_exec_object2 *obj)
addr = hi;
addr <<= 32;
addr |= lo;
- igt_assert_eq_u64(addr, obj->offset);
+ igt_assert_eq_u64(addr, DECANONICAL(obj->offset));
found = true;
}
@@ -61,8 +63,8 @@ static void check_error_state(int dir, struct drm_i915_gem_exec_object2 *obj)
igt_assert(found);
}
-static void __capture1(int fd, int dir, const intel_ctx_t *ctx,
- unsigned ring, uint32_t target)
+static void __capture1(int fd, int dir, uint64_t ahnd, const intel_ctx_t *ctx,
+ unsigned ring, uint32_t target, uint64_t target_size)
{
const unsigned int gen = intel_gen(intel_get_drm_devid(fd));
struct drm_i915_gem_exec_object2 obj[4];
@@ -74,32 +76,46 @@ static void __capture1(int fd, int dir, const intel_ctx_t *ctx,
struct drm_i915_gem_execbuffer2 execbuf;
uint32_t *batch, *seqno;
int i;
+ bool do_relocs = gem_has_relocations(fd);
memset(obj, 0, sizeof(obj));
obj[SCRATCH].handle = gem_create(fd, 4096);
+ obj[SCRATCH].flags = EXEC_OBJECT_WRITE;
obj[CAPTURE].handle = target;
obj[CAPTURE].flags = EXEC_OBJECT_CAPTURE;
obj[NOCAPTURE].handle = gem_create(fd, 4096);
obj[BATCH].handle = gem_create(fd, 4096);
- obj[BATCH].relocs_ptr = (uintptr_t)reloc;
- obj[BATCH].relocation_count = ARRAY_SIZE(reloc);
+
+ for (i = 0; i < 4; i++) {
+ obj[i].offset = intel_allocator_alloc(ahnd, obj[i].handle,
+ i == CAPTURE ? target_size : 4096,
+ ALIGNMENT);
+ obj[i].offset = CANONICAL(obj[i].offset);
+ obj[i].flags |= EXEC_OBJECT_SUPPORTS_48B_ADDRESS |
+ (do_relocs ? 0 : EXEC_OBJECT_PINNED);
+ }
memset(reloc, 0, sizeof(reloc));
reloc[0].target_handle = obj[BATCH].handle; /* recurse */
- reloc[0].presumed_offset = 0;
+ reloc[0].presumed_offset = obj[BATCH].offset;
reloc[0].offset = 5*sizeof(uint32_t);
reloc[0].delta = 0;
reloc[0].read_domains = I915_GEM_DOMAIN_COMMAND;
reloc[0].write_domain = 0;
reloc[1].target_handle = obj[SCRATCH].handle; /* breadcrumb */
- reloc[1].presumed_offset = 0;
+ reloc[1].presumed_offset = obj[SCRATCH].offset;
reloc[1].offset = sizeof(uint32_t);
reloc[1].delta = 0;
reloc[1].read_domains = I915_GEM_DOMAIN_RENDER;
reloc[1].write_domain = I915_GEM_DOMAIN_RENDER;
+ if (do_relocs) {
+ obj[BATCH].relocs_ptr = (uintptr_t)reloc;
+ obj[BATCH].relocation_count = ARRAY_SIZE(reloc);
+ }
+
seqno = gem_mmap__wc(fd, obj[SCRATCH].handle, 0, 4096, PROT_READ);
gem_set_domain(fd, obj[SCRATCH].handle,
I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT);
@@ -111,8 +127,8 @@ static void __capture1(int fd, int dir, const intel_ctx_t *ctx,
i = 0;
batch[i] = MI_STORE_DWORD_IMM | (gen < 6 ? 1 << 22 : 0);
if (gen >= 8) {
- batch[++i] = 0;
- batch[++i] = 0;
+ batch[++i] = obj[SCRATCH].offset;
+ batch[++i] = obj[SCRATCH].offset >> 32;
} else if (gen >= 4) {
batch[++i] = 0;
batch[++i] = 0;
@@ -128,8 +144,8 @@ static void __capture1(int fd, int dir, const intel_ctx_t *ctx,
batch[++i] = MI_BATCH_BUFFER_START; /* not crashed? try again! */
if (gen >= 8) {
batch[i] |= 1 << 8 | 1;
- batch[++i] = 0;
- batch[++i] = 0;
+ batch[++i] = obj[BATCH].offset;
+ batch[++i] = obj[BATCH].offset >> 32;
} else if (gen >= 6) {
batch[i] |= 1 << 8;
batch[++i] = 0;
@@ -165,6 +181,9 @@ static void __capture1(int fd, int dir, const intel_ctx_t *ctx,
gem_sync(fd, obj[BATCH].handle);
+ intel_allocator_free(ahnd, obj[BATCH].handle);
+ intel_allocator_free(ahnd, obj[NOCAPTURE].handle);
+ intel_allocator_free(ahnd, obj[SCRATCH].handle);
gem_close(fd, obj[BATCH].handle);
gem_close(fd, obj[NOCAPTURE].handle);
gem_close(fd, obj[SCRATCH].handle);
@@ -173,10 +192,16 @@ static void __capture1(int fd, int dir, const intel_ctx_t *ctx,
static void capture(int fd, int dir, const intel_ctx_t *ctx, unsigned ring)
{
uint32_t handle;
+ uint64_t ahnd;
handle = gem_create(fd, 4096);
- __capture1(fd, dir, ctx, ring, handle);
+ ahnd = intel_allocator_open(fd, 0, INTEL_ALLOCATOR_SIMPLE);
+
+ __capture1(fd, dir, ahnd, ctx, ring, handle, 4096);
+
gem_close(fd, handle);
+ intel_allocator_free(ahnd, handle);
+ intel_allocator_close(ahnd);
}
static int cmp(const void *A, const void *B)
@@ -195,7 +220,7 @@ static int cmp(const void *A, const void *B)
static struct offset {
uint64_t addr;
unsigned long idx;
-} *__captureN(int fd, int dir, unsigned ring,
+} *__captureN(int fd, int dir, uint64_t ahnd, unsigned ring,
unsigned int size, int count,
unsigned int flags)
#define INCREMENTAL 0x1
@@ -208,18 +233,30 @@ static struct offset {
uint32_t *batch, *seqno;
struct offset *offsets;
int i;
+ bool do_relocs = gem_has_relocations(fd);
- offsets = calloc(count , sizeof(*offsets));
+ offsets = calloc(count, sizeof(*offsets));
igt_assert(offsets);
obj = calloc(count + 2, sizeof(*obj));
igt_assert(obj);
obj[0].handle = gem_create(fd, 4096);
+ obj[0].offset = intel_allocator_alloc(ahnd, obj[0].handle,
+ 4096, ALIGNMENT);
+ obj[0].offset = CANONICAL(obj[0].offset);
+ obj[0].flags = EXEC_OBJECT_WRITE | EXEC_OBJECT_SUPPORTS_48B_ADDRESS |
+ (do_relocs ? 0 : EXEC_OBJECT_PINNED);
+
for (i = 0; i < count; i++) {
obj[i + 1].handle = gem_create(fd, size);
- obj[i + 1].flags =
- EXEC_OBJECT_CAPTURE | EXEC_OBJECT_SUPPORTS_48B_ADDRESS;
+ obj[i + 1].offset = intel_allocator_alloc(ahnd, obj[i + 1].handle,
+ size, ALIGNMENT);
+ obj[i + 1].offset = CANONICAL(obj[i + 1].offset);
+ obj[i + 1].flags = EXEC_OBJECT_CAPTURE |
+ EXEC_OBJECT_SUPPORTS_48B_ADDRESS |
+ (do_relocs ? 0 : EXEC_OBJECT_PINNED);
+
if (flags & INCREMENTAL) {
uint32_t *ptr;
@@ -232,23 +269,32 @@ static struct offset {
}
obj[count + 1].handle = gem_create(fd, 4096);
- obj[count + 1].relocs_ptr = (uintptr_t)reloc;
- obj[count + 1].relocation_count = ARRAY_SIZE(reloc);
+ obj[count + 1].offset = intel_allocator_alloc(ahnd, obj[count + 1].handle,
+ 4096, ALIGNMENT);
+ obj[count + 1].offset = CANONICAL(obj[count + 1].offset);
+ obj[count + 1].flags = EXEC_OBJECT_SUPPORTS_48B_ADDRESS |
+ (do_relocs ? 0 : EXEC_OBJECT_PINNED);
memset(reloc, 0, sizeof(reloc));
reloc[0].target_handle = obj[count + 1].handle; /* recurse */
- reloc[0].presumed_offset = 0;
+ reloc[0].presumed_offset = obj[count + 1].offset;
reloc[0].offset = 5*sizeof(uint32_t);
reloc[0].delta = 0;
reloc[0].read_domains = I915_GEM_DOMAIN_COMMAND;
reloc[0].write_domain = 0;
reloc[1].target_handle = obj[0].handle; /* breadcrumb */
- reloc[1].presumed_offset = 0;
+ reloc[1].presumed_offset = obj[0].offset;
reloc[1].offset = sizeof(uint32_t);
reloc[1].delta = 0;
reloc[1].read_domains = I915_GEM_DOMAIN_RENDER;
reloc[1].write_domain = I915_GEM_DOMAIN_RENDER;
+ if (do_relocs) {
+ obj[count + 1].relocs_ptr = (uintptr_t)reloc;
+ obj[count + 1].relocation_count = ARRAY_SIZE(reloc);
+ } else {
+ execbuf.flags = I915_EXEC_NO_RELOC;
+ }
seqno = gem_mmap__wc(fd, obj[0].handle, 0, 4096, PROT_READ);
gem_set_domain(fd, obj[0].handle,
@@ -261,8 +307,8 @@ static struct offset {
i = 0;
batch[i] = MI_STORE_DWORD_IMM | (gen < 6 ? 1 << 22 : 0);
if (gen >= 8) {
- batch[++i] = 0;
- batch[++i] = 0;
+ batch[++i] = obj[0].offset;
+ batch[++i] = obj[0].offset >> 32;
} else if (gen >= 4) {
batch[++i] = 0;
batch[++i] = 0;
@@ -278,8 +324,8 @@ static struct offset {
batch[++i] = MI_BATCH_BUFFER_START; /* not crashed? try again! */
if (gen >= 8) {
batch[i] |= 1 << 8 | 1;
- batch[++i] = 0;
- batch[++i] = 0;
+ batch[++i] = obj[count + 1].offset;
+ batch[++i] = obj[count + 1].offset >> 32;
} else if (gen >= 6) {
batch[i] |= 1 << 8;
batch[++i] = 0;
@@ -315,12 +361,16 @@ static struct offset {
gem_close(fd, obj[count + 1].handle);
for (i = 0; i < count; i++) {
- offsets[i].addr = obj[i + 1].offset;
+ offsets[i].addr = DECANONICAL(obj[i + 1].offset);
offsets[i].idx = i;
gem_close(fd, obj[i + 1].handle);
+ intel_allocator_free(ahnd, obj[i + 1].handle);
}
gem_close(fd, obj[0].handle);
+ intel_allocator_free(ahnd, obj[0].handle);
+ intel_allocator_free(ahnd, obj[count + 1].handle);
+
qsort(offsets, count, sizeof(*offsets), cmp);
igt_assert(offsets[0].addr <= offsets[count-1].addr);
return offsets;
@@ -414,7 +464,7 @@ ascii85_decode(char *in, uint32_t **out, bool inflate, char **end)
static void many(int fd, int dir, uint64_t size, unsigned int flags)
{
- uint64_t ram, gtt;
+ uint64_t ram, gtt, ahnd;
unsigned long count, blobs;
struct offset *offsets;
char *error, *str;
@@ -428,8 +478,9 @@ static void many(int fd, int dir, uint64_t size, unsigned int flags)
igt_require(count > 1);
intel_require_memory(count, size, CHECK_RAM);
+ ahnd = intel_allocator_open(fd, 0, INTEL_ALLOCATOR_SIMPLE);
- offsets = __captureN(fd, dir, 0, size, count, flags);
+ offsets = __captureN(fd, dir, ahnd, 0, size, count, flags);
error = igt_sysfs_get(dir, "error");
igt_sysfs_set(dir, "error", "Begone!");
@@ -496,6 +547,7 @@ static void many(int fd, int dir, uint64_t size, unsigned int flags)
free(error);
free(offsets);
+ intel_allocator_close(ahnd);
}
static void prioinv(int fd, int dir, const intel_ctx_t *ctx,
@@ -512,10 +564,16 @@ static void prioinv(int fd, int dir, const intel_ctx_t *ctx,
.rsvd1 = ctx->id,
};
int64_t timeout = NSEC_PER_SEC; /* 1s, feeling generous, blame debug */
- uint64_t ram, gtt, size = 4 << 20;
+ uint64_t ram, gtt, ahnd, size = 4 << 20;
unsigned long count;
int link[2], dummy;
+ intel_allocator_multiprocess_start();
+ ahnd = intel_allocator_open(fd, 0, INTEL_ALLOCATOR_SIMPLE);
+ obj.offset = intel_allocator_alloc(ahnd, obj.handle, 4096, ALIGNMENT);
+ obj.offset = CANONICAL(obj.offset);
+ obj.flags = EXEC_OBJECT_SUPPORTS_48B_ADDRESS;
+
igt_require(gem_scheduler_enabled(fd));
igt_require(igt_params_set(fd, "reset", "%u", -1)); /* engine resets! */
igt_require(gem_gpu_reset_type(fd) > 1);
@@ -544,7 +602,13 @@ static void prioinv(int fd, int dir, const intel_ctx_t *ctx,
fd = gem_reopen_driver(fd);
igt_debug("Submitting large capture [%ld x %dMiB objects]\n",
count, (int)(size >> 20));
- free(__captureN(fd, dir, ring, size, count, ASYNC));
+
+ /* Reopen the allocator in the new process. */
+ ahnd = intel_allocator_open(fd, child + 1, INTEL_ALLOCATOR_SIMPLE);
+
+ free(__captureN(fd, dir, ahnd, ring, size, count, ASYNC));
+ intel_allocator_close(ahnd);
+
write(link[1], &fd, sizeof(fd)); /* wake the parent up */
igt_force_gpu_reset(fd);
write(link[1], &fd, sizeof(fd)); /* wake the parent up */
@@ -567,19 +631,26 @@ static void prioinv(int fd, int dir, const intel_ctx_t *ctx,
close(link[1]);
gem_quiescent_gpu(fd);
+ intel_allocator_free(ahnd, obj.handle);
+ intel_allocator_close(ahnd);
+ intel_allocator_multiprocess_stop();
}
static void userptr(int fd, int dir)
{
uint32_t handle;
+ uint64_t ahnd;
void *ptr;
igt_assert(posix_memalign(&ptr, 4096, 4096) == 0);
igt_require(__gem_userptr(fd, ptr, 4096, 0, 0, &handle) == 0);
+ ahnd = intel_allocator_open(fd, 0, INTEL_ALLOCATOR_SIMPLE);
- __capture1(fd, dir, intel_ctx_0(fd), 0, handle);
+ __capture1(fd, dir, ahnd, intel_ctx_0(fd), 0, handle, 4096);
gem_close(fd, handle);
+ intel_allocator_free(ahnd, handle);
+ intel_allocator_close(ahnd);
free(ptr);
}
--
2.25.1
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