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tests/amdgpu: add deadlock test for sdma 

deadlock test for sdma will cause gpu recoverty.
disable the test for now until GPU reset recovery could survive at least
1000 times test.

v2: add modprobe parameter

Reviewed-and-tested-by: Evan Quan <evan.quan@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Flora Cui <flora.cui@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
main
Cui, Flora 2019-03-06 06:37:13 +00:00 committed by Alex Deucher
parent c8bc69a165
commit 8c6dbd7938
2 changed files with 106 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
tests/amdgpu/amdgpu_test.c
View File

@ -426,6 +426,10 @@ static void amdgpu_disable_suites()
"compute ring block test (set amdgpu.lockup_timeout=50)", CU_FALSE))
fprintf(stderr, "test deactivation failed - %s\n", CU_get_error_msg());
if (amdgpu_set_test_active(DEADLOCK_TESTS_STR,
"sdma ring block test (set amdgpu.lockup_timeout=50)", CU_FALSE))
fprintf(stderr, "test deactivation failed - %s\n", CU_get_error_msg());
if (amdgpu_set_test_active(BO_TESTS_STR, "Metadata", CU_FALSE))
fprintf(stderr, "test deactivation failed - %s\n", CU_get_error_msg());

103
tests/amdgpu/deadlock_tests.c
View File

@ -96,6 +96,9 @@
#define mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR 0x54f
#define SDMA_PKT_HEADER_OP(x) (x & 0xff)
#define SDMA_OP_POLL_REGMEM 8
static amdgpu_device_handle device_handle;
static uint32_t major_version;
static uint32_t minor_version;
@ -110,6 +113,7 @@ static void amdgpu_deadlock_gfx(void);
static void amdgpu_deadlock_compute(void);
static void amdgpu_illegal_reg_access();
static void amdgpu_illegal_mem_access();
static void amdgpu_deadlock_sdma(void);
CU_BOOL suite_deadlock_tests_enable(void)
{
@ -171,6 +175,7 @@ int suite_deadlock_tests_clean(void)
CU_TestInfo deadlock_tests[] = {
{ "gfx ring block test (set amdgpu.lockup_timeout=50)", amdgpu_deadlock_gfx },
{ "compute ring block test (set amdgpu.lockup_timeout=50)", amdgpu_deadlock_compute },
{ "sdma ring block test (set amdgpu.lockup_timeout=50)", amdgpu_deadlock_sdma },
{ "illegal reg access test", amdgpu_illegal_reg_access },
{ "illegal mem access test (set amdgpu.vm_fault_stop=2)", amdgpu_illegal_mem_access },
CU_TEST_INFO_NULL,
@ -260,7 +265,6 @@ static void amdgpu_deadlock_helper(unsigned ip_type)
ibs_request.ibs = &ib_info;
ibs_request.resources = bo_list;
ibs_request.fence_info.handle = NULL;
for (i = 0; i < 200; i++) {
r = amdgpu_cs_submit(context_handle, 0,&ibs_request, 1);
CU_ASSERT_EQUAL((r == 0 || r == -ECANCELED), 1);
@ -291,6 +295,103 @@ static void amdgpu_deadlock_helper(unsigned ip_type)
CU_ASSERT_EQUAL(r, 0);
}
static void amdgpu_deadlock_sdma(void)
{
amdgpu_context_handle context_handle;
amdgpu_bo_handle ib_result_handle;
void *ib_result_cpu;
uint64_t ib_result_mc_address;
struct amdgpu_cs_request ibs_request;
struct amdgpu_cs_ib_info ib_info;
struct amdgpu_cs_fence fence_status;
uint32_t expired;
int i, r;
amdgpu_bo_list_handle bo_list;
amdgpu_va_handle va_handle;
struct drm_amdgpu_info_hw_ip info;
uint32_t ring_id;
r = amdgpu_query_hw_ip_info(device_handle, AMDGPU_HW_IP_DMA, 0, &info);
CU_ASSERT_EQUAL(r, 0);
r = amdgpu_cs_ctx_create(device_handle, &context_handle);
CU_ASSERT_EQUAL(r, 0);
for (ring_id = 0; (1 << ring_id) & info.available_rings; ring_id++) {
r = pthread_create(&stress_thread, NULL, write_mem_address, NULL);
CU_ASSERT_EQUAL(r, 0);
r = amdgpu_bo_alloc_and_map_raw(device_handle, 4096, 4096,
AMDGPU_GEM_DOMAIN_GTT, 0, use_uc_mtype ? AMDGPU_VM_MTYPE_UC : 0,
&ib_result_handle, &ib_result_cpu,
&ib_result_mc_address, &va_handle);
CU_ASSERT_EQUAL(r, 0);
r = amdgpu_get_bo_list(device_handle, ib_result_handle, NULL,
&bo_list);
CU_ASSERT_EQUAL(r, 0);
ptr = ib_result_cpu;
i = 0;
ptr[i++] = SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) |
(0 << 26) | /* WAIT_REG_MEM */
(4 << 28) | /* != */
(1 << 31); /* memory */
ptr[i++] = (ib_result_mc_address + 256*4) & 0xfffffffc;
ptr[i++] = ((ib_result_mc_address + 256*4) >> 32) & 0xffffffff;
ptr[i++] = 0x00000000; /* reference value */
ptr[i++] = 0xffffffff; /* and mask */
ptr[i++] = 4 | /* poll interval */
(0xfff << 16); /* retry count */
for (; i < 16; i++)
ptr[i] = 0;
ptr[256] = 0x0; /* the memory we wait on to change */
memset(&ib_info, 0, sizeof(struct amdgpu_cs_ib_info));
ib_info.ib_mc_address = ib_result_mc_address;
ib_info.size = 16;
memset(&ibs_request, 0, sizeof(struct amdgpu_cs_request));
ibs_request.ip_type = AMDGPU_HW_IP_DMA;
ibs_request.ring = ring_id;
ibs_request.number_of_ibs = 1;
ibs_request.ibs = &ib_info;
ibs_request.resources = bo_list;
ibs_request.fence_info.handle = NULL;
for (i = 0; i < 200; i++) {
r = amdgpu_cs_submit(context_handle, 0,&ibs_request, 1);
CU_ASSERT_EQUAL((r == 0 || r == -ECANCELED), 1);
}
memset(&fence_status, 0, sizeof(struct amdgpu_cs_fence));
fence_status.context = context_handle;
fence_status.ip_type = AMDGPU_HW_IP_DMA;
fence_status.ip_instance = 0;
fence_status.ring = ring_id;
fence_status.fence = ibs_request.seq_no;
r = amdgpu_cs_query_fence_status(&fence_status,
AMDGPU_TIMEOUT_INFINITE,0, &expired);
CU_ASSERT_EQUAL((r == 0 || r == -ECANCELED), 1);
pthread_join(stress_thread, NULL);
r = amdgpu_bo_list_destroy(bo_list);
CU_ASSERT_EQUAL(r, 0);
r = amdgpu_bo_unmap_and_free(ib_result_handle, va_handle,
ib_result_mc_address, 4096);
CU_ASSERT_EQUAL(r, 0);
}
r = amdgpu_cs_ctx_free(context_handle);
CU_ASSERT_EQUAL(r, 0);
}
static void bad_access_helper(int reg_access)
{
amdgpu_context_handle context_handle;