[PATCH 6/7] tests/amdgpu/hotunplug: Add unplug with cs test.

[Andrey Grodzovsky]

Same as simple test but while doing cs

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky at amd.com>
---
 tests/amdgpu/hotunplug_tests.c | 128 ++++++++++++++++++++++++++++++++-
 1 file changed, 126 insertions(+), 2 deletions(-)

diff --git a/tests/amdgpu/hotunplug_tests.c b/tests/amdgpu/hotunplug_tests.c
index c2bc1cf2..6e133a07 100644
--- a/tests/amdgpu/hotunplug_tests.c
+++ b/tests/amdgpu/hotunplug_tests.c
@@ -38,11 +38,13 @@
 #include "xf86drm.h"
 #include <pthread.h>
 
+#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 +167,128 @@ 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);
+
+	r = amdgpu_cs_sync(context, AMDGPU_HW_IP_GFX, 0, ibs_request.seq_no);
+	CU_ASSERT_EQUAL((r == 0 || r == -ECANCELED), 1);
+
+	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 +296,19 @@ 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,
 };
 
-- 
2.25.1