flywithu/ntel-gpu-tools
1
0
Fork 0
mirror of https://github.com/tiagovignatti/intel-gpu-tools.git synced 2025-06-09 17:06:14 +00:00
Code Issues Releases Wiki Activity

igt/gem_exec_big: Check 64bit relocation values

Browse Source 
On gen8, we should check that the full 64bit relocation value is
correct, and we should be sure to poison the relocation offset between
runs.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2015-04-27 21:05:33 +01:00
parent 40b45bace3
commit fc69bb0de5
3 changed files with 60 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
lib/ioctl_wrappers.c
View File

@ -306,7 +306,7 @@ void gem_close(int fd, uint32_t handle)
* This wraps the PWRITE ioctl, which is to upload a linear data to a subrange
* of a gem buffer object.
*/
void gem_write(int fd, uint32_t handle, uint32_t offset, const void *buf, uint32_t length)
void gem_write(int fd, uint32_t handle, uint64_t offset, const void *buf, uint64_t length)
{
struct drm_i915_gem_pwrite gem_pwrite;
@ -329,7 +329,7 @@ void gem_write(int fd, uint32_t handle, uint32_t offset, const void *buf, uint32
* This wraps the PREAD ioctl, which is to download a linear data to a subrange
* of a gem buffer object.
*/
void gem_read(int fd, uint32_t handle, uint32_t offset, void *buf, uint32_t length)
void gem_read(int fd, uint32_t handle, uint64_t offset, void *buf, uint64_t length)
{
struct drm_i915_gem_pread gem_pread;

4
lib/ioctl_wrappers.h
View File

@ -51,8 +51,8 @@ uint32_t gem_get_caching(int fd, uint32_t handle);
uint32_t gem_flink(int fd, uint32_t handle);
uint32_t gem_open(int fd, uint32_t name);
void gem_close(int fd, uint32_t handle);
void gem_write(int fd, uint32_t handle, uint32_t offset, const void *buf, uint32_t length);
void gem_read(int fd, uint32_t handle, uint32_t offset, void *buf, uint32_t length);
void gem_write(int fd, uint32_t handle, uint64_t offset, const void *buf, uint64_t length);
void gem_read(int fd, uint32_t handle, uint64_t offset, void *buf, uint64_t length);
void gem_set_domain(int fd, uint32_t handle,
uint32_t read_domains, uint32_t write_domain);
void gem_sync(int fd, uint32_t handle);

81
tests/gem_exec_big.c
View File

@ -45,18 +45,22 @@
#include <sys/time.h>
#include "drm.h"
#include "ioctl_wrappers.h"
#include "intel_chipset.h"
#include "drmtest.h"
#include "igt_aux.h"
IGT_TEST_DESCRIPTION("Run a large nop batch to stress test the error capture"
" code.");
static void exec1(int fd, uint32_t handle, uint32_t reloc_ofs, unsigned flags, uint32_t *ptr)
#define FORCE_PREAD_PWRITE 0
static int use_64bit_relocs;
static void exec1(int fd, uint32_t handle, uint64_t reloc_ofs, unsigned flags, char *ptr)
{
struct drm_i915_gem_execbuffer2 execbuf;
struct drm_i915_gem_exec_object2 gem_exec[1];
struct drm_i915_gem_relocation_entry gem_reloc[1];
uint32_t tmp;
gem_reloc[0].offset = reloc_ofs;
gem_reloc[0].delta = 0;
@ -95,23 +99,30 @@ static void exec1(int fd, uint32_t handle, uint32_t reloc_ofs, unsigned flags, u
igt_warn_on(gem_reloc[0].presumed_offset == -1);
if (ptr) {
igt_assert_eq(ptr[reloc_ofs/sizeof(*ptr)],
gem_reloc[0].presumed_offset);
if (use_64bit_relocs) {
uint64_t tmp;
if (ptr)
tmp = *(uint64_t *)(ptr+reloc_ofs);
else
gem_read(fd, handle, reloc_ofs, &tmp, sizeof(tmp));
igt_assert_eq(tmp, gem_reloc[0].presumed_offset);
} else {
gem_read(fd, handle, reloc_ofs, &tmp, 4);
uint32_t tmp;
if (ptr)
tmp = *(uint32_t *)(ptr+reloc_ofs);
else
gem_read(fd, handle, reloc_ofs, &tmp, sizeof(tmp));
igt_assert_eq(tmp, gem_reloc[0].presumed_offset);
}
}
static void execN(int fd, uint32_t handle, uint32_t batch_size, unsigned flags, uint32_t *ptr)
static void execN(int fd, uint32_t handle, uint64_t batch_size, unsigned flags, char *ptr)
{
#define reloc_ofs(N, T) ((((N)+1) << 12) - 4*(1 + ((N) == ((T)-1))))
struct drm_i915_gem_execbuffer2 execbuf;
struct drm_i915_gem_exec_object2 gem_exec[1];
struct drm_i915_gem_relocation_entry *gem_reloc;
int n, nreloc = batch_size >> 12;
uint32_t tmp;
uint64_t n, nreloc = batch_size >> 12;
gem_reloc = calloc(nreloc, sizeof(*gem_reloc));
igt_assert(gem_reloc);
@ -120,6 +131,14 @@ static void execN(int fd, uint32_t handle, uint32_t batch_size, unsigned flags,
gem_reloc[n].offset = reloc_ofs(n, nreloc);
gem_reloc[n].target_handle = handle;
gem_reloc[n].read_domains = I915_GEM_DOMAIN_RENDER;
gem_reloc[n].presumed_offset = n ^ 0xbeefdeaddeadbeef;
if (ptr) {
if (use_64bit_relocs)
*(uint64_t *)(ptr + gem_reloc[n].offset) = gem_reloc[n].presumed_offset;
else
*(uint32_t *)(ptr + gem_reloc[n].offset) = gem_reloc[n].presumed_offset;
} else
gem_write(fd, handle, gem_reloc[n].offset, &gem_reloc[n].presumed_offset, 4*(1+use_64bit_relocs));
}
memset(gem_exec, 0, sizeof(gem_exec));
@ -143,13 +162,22 @@ static void execN(int fd, uint32_t handle, uint32_t batch_size, unsigned flags,
for (n = 0; n < nreloc; n++)
igt_warn_on(gem_reloc[n].presumed_offset == -1);
if (ptr) {
for (n = 0; n < nreloc; n++)
igt_assert_eq(ptr[reloc_ofs(n, nreloc)/sizeof(*ptr)],
gem_reloc[n].presumed_offset);
if (use_64bit_relocs) {
for (n = 0; n < nreloc; n++) {
uint64_t tmp;
if (ptr)
tmp = *(uint64_t *)(ptr+reloc_ofs(n, nreloc));
else
gem_read(fd, handle, reloc_ofs(n, nreloc), &tmp, sizeof(tmp));
igt_assert_eq(tmp, gem_reloc[n].presumed_offset);
}
} else {
for (n = 0; n < nreloc; n++) {
gem_read(fd, handle, reloc_ofs(n, nreloc), &tmp, 4);
uint32_t tmp;
if (ptr)
tmp = *(uint32_t *)(ptr+reloc_ofs(n, nreloc));
else
gem_read(fd, handle, reloc_ofs(n, nreloc), &tmp, sizeof(tmp));
igt_assert_eq(tmp, gem_reloc[n].presumed_offset);
}
}
@ -161,35 +189,38 @@ static void execN(int fd, uint32_t handle, uint32_t batch_size, unsigned flags,
igt_simple_main
{
uint32_t batch[2] = {MI_BATCH_BUFFER_END};
uint64_t batch_size, max, reloc_ofs;
int fd;
uint32_t reloc_ofs;
unsigned batch_size;
int max;
fd = drm_open_any();
max = 3 * gem_aperture_size(fd) / 4;
use_64bit_relocs = intel_gen(intel_get_drm_devid(fd)) >= 8;
max = 3 * gem_aperture_size(fd) / 4;
intel_require_memory(1, max, CHECK_RAM);
for (batch_size = 4096; batch_size <= max; ) {
uint32_t handle, *ptr;
uint32_t handle;
void *ptr;
handle = gem_create(fd, batch_size);
gem_write(fd, handle, 0, batch, sizeof(batch));
ptr = NULL;
if (gem_mmap__has_wc(fd))
if (!FORCE_PREAD_PWRITE && gem_has_llc(fd))
ptr = gem_mmap__cpu(fd, handle, 0, batch_size, PROT_READ);
else if (!FORCE_PREAD_PWRITE && gem_mmap__has_wc(fd))
ptr = gem_mmap__wc(fd, handle, 0, batch_size, PROT_READ);
else
ptr = NULL;
for (reloc_ofs = 4096; reloc_ofs < batch_size; reloc_ofs += 4096) {
igt_debug("batch_size %u, reloc_ofs %u\n",
batch_size, reloc_ofs);
igt_debug("batch_size %llu, reloc_ofs %llu\n",
(long long)batch_size, (long long)reloc_ofs);
exec1(fd, handle, reloc_ofs, 0, ptr);
exec1(fd, handle, reloc_ofs, I915_EXEC_SECURE, ptr);
}
igt_debug("batch_size %u, all %d relocs\n",
batch_size, batch_size >> 12);
igt_debug("batch_size %llu, all %ld relocs\n",
(long long)batch_size, (long)(batch_size >> 12));
execN(fd, handle, batch_size, 0, ptr);
execN(fd, handle, batch_size, I915_EXEC_SECURE, ptr);