From b5f611cc370bb939b132df68f164c832690339c6 Mon Sep 17 00:00:00 2001 From: Andrey Grodzovsky Date: Mon, 31 May 2021 14:13:06 -0400 Subject: [PATCH] tests/amdgpu/hotunplug: Add unplug with cs test. Same as simple test but while doing cs Signed-off-by: Andrey Grodzovsky Reviewed-by: Alex Deucher alexander.deucher@amd.com --- tests/amdgpu/hotunplug_tests.c | 126 ++++++++++++++++++++++++++++++++++++++++- 1 file changed, 124 insertions(+), 2 deletions(-) diff --git a/tests/amdgpu/hotunplug_tests.c b/tests/amdgpu/hotunplug_tests.c index 9985499..520e1fc 100644 --- a/tests/amdgpu/hotunplug_tests.c +++ b/tests/amdgpu/hotunplug_tests.c @@ -38,11 +38,13 @@ #include "xf86drm.h" #include +#define GFX_COMPUTE_NOP 0xffff1000 static amdgpu_device_handle device_handle; static uint32_t major_version; static uint32_t minor_version; static char *sysfs_remove = NULL; +static bool do_cs; CU_BOOL suite_hotunplug_tests_enable(void) { @@ -110,7 +112,7 @@ static int amdgpu_hotunplug_setup_test() int r; char *tmp_str; - if (amdgpu_open_device_on_test_index(open_render_node) <= 0) { + if (amdgpu_open_device_on_test_index(open_render_node) < 0) { printf("\n\n Failed to reopen device file!\n"); return CUE_SINIT_FAILED; @@ -165,17 +167,126 @@ static inline int amdgpu_hotunplug_rescan() return amdgpu_hotunplug_trigger("/sys/bus/pci/rescan"); } +static int amdgpu_cs_sync(amdgpu_context_handle context, + unsigned int ip_type, + int ring, + unsigned int seqno) +{ + struct amdgpu_cs_fence fence = { + .context = context, + .ip_type = ip_type, + .ring = ring, + .fence = seqno, + }; + uint32_t expired; + + return amdgpu_cs_query_fence_status(&fence, + AMDGPU_TIMEOUT_INFINITE, + 0, &expired); +} -static void amdgpu_hotunplug_simple(void) +static void *amdgpu_nop_cs() +{ + amdgpu_bo_handle ib_result_handle; + void *ib_result_cpu; + uint64_t ib_result_mc_address; + uint32_t *ptr; + int i, r; + amdgpu_bo_list_handle bo_list; + amdgpu_va_handle va_handle; + amdgpu_context_handle context; + struct amdgpu_cs_request ibs_request; + struct amdgpu_cs_ib_info ib_info; + + r = amdgpu_cs_ctx_create(device_handle, &context); + CU_ASSERT_EQUAL(r, 0); + + r = amdgpu_bo_alloc_and_map(device_handle, 4096, 4096, + AMDGPU_GEM_DOMAIN_GTT, 0, + &ib_result_handle, &ib_result_cpu, + &ib_result_mc_address, &va_handle); + CU_ASSERT_EQUAL(r, 0); + + ptr = ib_result_cpu; + for (i = 0; i < 16; ++i) + ptr[i] = GFX_COMPUTE_NOP; + + r = amdgpu_bo_list_create(device_handle, 1, &ib_result_handle, NULL, &bo_list); + CU_ASSERT_EQUAL(r, 0); + + 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_GFX; + ibs_request.ring = 0; + ibs_request.number_of_ibs = 1; + ibs_request.ibs = &ib_info; + ibs_request.resources = bo_list; + + while (do_cs) + amdgpu_cs_submit(context, 0, &ibs_request, 1); + + amdgpu_cs_sync(context, AMDGPU_HW_IP_GFX, 0, ibs_request.seq_no); + amdgpu_bo_list_destroy(bo_list); + amdgpu_bo_unmap_and_free(ib_result_handle, va_handle, + ib_result_mc_address, 4096); + + amdgpu_cs_ctx_free(context); + + return (void *)0; +} + +static pthread_t* amdgpu_create_cs_thread() +{ + int r; + pthread_t *thread = malloc(sizeof(*thread)); + if (!thread) + return NULL; + + do_cs = true; + + r = pthread_create(thread, NULL, amdgpu_nop_cs, NULL); + CU_ASSERT_EQUAL(r, 0); + + /* Give thread enough time to start*/ + usleep(100000); + return thread; +} + +static void amdgpu_destroy_cs_thread(pthread_t *thread) +{ + void *status; + + do_cs = false; + + pthread_join(*thread, &status); + CU_ASSERT_EQUAL(status, 0); + + free(thread); +} + + +static void amdgpu_hotunplug_test(bool with_cs) { int r; + pthread_t *thread = NULL; r = amdgpu_hotunplug_setup_test(); CU_ASSERT_EQUAL(r , 0); + if (with_cs) { + thread = amdgpu_create_cs_thread(); + CU_ASSERT_NOT_EQUAL(thread, NULL); + } + r = amdgpu_hotunplug_remove(); CU_ASSERT_EQUAL(r > 0, 1); + if (with_cs) + amdgpu_destroy_cs_thread(thread); + r = amdgpu_hotunplug_teardown_test(); CU_ASSERT_EQUAL(r , 0); @@ -183,8 +294,19 @@ static void amdgpu_hotunplug_simple(void) CU_ASSERT_EQUAL(r > 0, 1); } +static void amdgpu_hotunplug_simple(void) +{ + amdgpu_hotunplug_test(false); +} + +static void amdgpu_hotunplug_with_cs(void) +{ + amdgpu_hotunplug_test(true); +} + CU_TestInfo hotunplug_tests[] = { { "Unplug card and rescan the bus to plug it back", amdgpu_hotunplug_simple }, + { "Same as first test but with command submission", amdgpu_hotunplug_with_cs }, CU_TEST_INFO_NULL, }; -- 2.7.4