[PATCH i-g-t v6 08/17] tests/xe_exec_sip: Add sanity-after-timeout test

[Christoph Manszewski <christoph.manszewski@intel.com>]

Add a subtest that checks if we are able to submit workloads after gpu
was reset due to hung job.

Signed-off-by: Christoph Manszewski <christoph.manszewski@intel.com>
Reviewed-by: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
---
 tests/intel/xe_exec_sip.c | 42 ++++++++++++++++++++++++++++++++-------
 1 file changed, 35 insertions(+), 7 deletions(-)

diff --git a/tests/intel/xe_exec_sip.c b/tests/intel/xe_exec_sip.c
index ea1770cd6..564c899f8 100644
--- a/tests/intel/xe_exec_sip.c
+++ b/tests/intel/xe_exec_sip.c
@@ -31,6 +31,11 @@
 
 #define SHADER_CANARY 0x01010101
 
+enum shader_type {
+	SHADER_HANG,
+	SHADER_WRITE,
+};
+
 static struct intel_buf *
 create_fill_buf(int fd, int width, int height, uint8_t color)
 {
@@ -50,21 +55,32 @@ create_fill_buf(int fd, int width, int height, uint8_t color)
 	return buf;
 }
 
-static struct gpgpu_shader *get_shader(int fd)
+static struct gpgpu_shader *get_shader(int fd, enum shader_type shader_type)
 {
 	static struct gpgpu_shader *shader;
 
 	shader = gpgpu_shader_create(fd);
 	gpgpu_shader__write_dword(shader, SHADER_CANARY, 0);
+
+	switch (shader_type) {
+	case SHADER_HANG:
+		gpgpu_shader__label(shader, 0);
+		gpgpu_shader__nop(shader);
+		gpgpu_shader__jump(shader, 0);
+		break;
+	case SHADER_WRITE:
+		break;
+	}
+
 	gpgpu_shader__eot(shader);
 	return shader;
 }
 
-static uint32_t gpgpu_shader(int fd, struct intel_bb *ibb, unsigned int threads,
-			     unsigned int width, unsigned int height)
+static uint32_t gpgpu_shader(int fd, struct intel_bb *ibb, enum shader_type shader_type,
+			     unsigned int threads, unsigned int width, unsigned int height)
 {
 	struct intel_buf *buf = create_fill_buf(fd, width, height, COLOR_C4);
-	struct gpgpu_shader *shader = get_shader(fd);
+	struct gpgpu_shader *shader = get_shader(fd, shader_type);
 
 	gpgpu_shader_exec(ibb, buf, 1, threads, shader, NULL, 0, 0);
 	gpgpu_shader_destroy(shader);
@@ -125,8 +141,11 @@ xe_sysfs_get_job_timeout_ms(int fd, struct drm_xe_engine_class_instance *eci)
  * SUBTEST: sanity
  * Description: check basic shader with write operation
  *
+ * SUBTEST: sanity-after-timeout
+ * Description: check basic shader execution after job timeout
  */
-static void test_sip(struct drm_xe_engine_class_instance *eci, uint32_t flags)
+static void test_sip(enum shader_type shader_type, struct drm_xe_engine_class_instance *eci,
+		     uint32_t flags)
 {
 	unsigned int threads = 512;
 	unsigned int height = max_t(threads, HEIGHT, threads * 2);
@@ -153,7 +172,7 @@ static void test_sip(struct drm_xe_engine_class_instance *eci, uint32_t flags)
 	ibb = intel_bb_create_with_context(fd, exec_queue_id, vm_id, NULL, 4096);
 
 	igt_nsec_elapsed(&ts);
-	handle = gpgpu_shader(fd, ibb, threads, width, height);
+	handle = gpgpu_shader(fd, ibb, shader_type, threads, width, height);
 
 	intel_bb_sync(ibb);
 	igt_assert_lt_u64(igt_nsec_elapsed(&ts), timeout);
@@ -186,7 +205,16 @@ igt_main
 		fd = drm_open_driver(DRIVER_XE);
 
 	test_render_and_compute("sanity", fd, eci)
-		test_sip(eci, 0);
+		test_sip(SHADER_WRITE, eci, 0);
+
+	test_render_and_compute("sanity-after-timeout", fd, eci) {
+		test_sip(SHADER_HANG, eci, 0);
+
+		xe_for_each_engine(fd, eci)
+			if (eci->engine_class == DRM_XE_ENGINE_CLASS_RENDER ||
+			    eci->engine_class == DRM_XE_ENGINE_CLASS_COMPUTE)
+				test_sip(SHADER_WRITE, eci, 0);
+	}
 
 	igt_fixture
 		drm_close_driver(fd);
-- 
2.34.1