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

Change-Id: I9adac63c62db22107345eddb30e7d81a1bda838c Signed-off-by: Flora Cui flora.cui@amd.com --- tests/amdgpu/amdgpu_test.c | 4 ++ tests/amdgpu/deadlock_tests.c | 103 +++++++++++++++++++++++++++++++++++++++++- 2 files changed, 106 insertions(+), 1 deletion(-)

diff --git a/tests/amdgpu/amdgpu_test.c b/tests/amdgpu/amdgpu_test.c index ebf4409..5119455 100644 --- a/tests/amdgpu/amdgpu_test.c +++ b/tests/amdgpu/amdgpu_test.c @@ -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", 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());

diff --git a/tests/amdgpu/deadlock_tests.c b/tests/amdgpu/deadlock_tests.c index a6c2635..be917b1 100644 --- a/tests/amdgpu/deadlock_tests.c +++ b/tests/amdgpu/deadlock_tests.c @@ -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", 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;