1 files changed, 196 insertions, 0 deletions
diff --git a/tests/intel/xe_exec_sip.c b/tests/intel/xe_exec_sip.c
new file mode 100644
index 000000000..4b599e7f6
--- /dev/null
+++ b/tests/intel/xe_exec_sip.c
@@ -0,0 +1,196 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2024 Intel Corporation
+ */
+
+/**
+ * TEST: Tests for GPGPU shader and system routine (SIP) execution
+ * Category: Software building block
+ * Description: Exercise interaction between GPGPU shader and system routine
+ *              (SIP), which should handle exceptions raised on Execution Unit.
+ * Functionality: system routine
+ * Mega feature: Compute
+ * Sub-category: GPGPU tests
+ * Test category: functionality test
+ */
+
+#include <dirent.h>
+#include <fcntl.h>
+#include <stdio.h>
+
+#include "gpgpu_shader.h"
+#include "igt.h"
+#include "igt_sysfs.h"
+#include "xe/xe_ioctl.h"
+#include "xe/xe_query.h"
+
+#define WIDTH 64
+#define HEIGHT 64
+
+#define COLOR_C4 0xc4
+
+#define SHADER_CANARY 0x01010101
+
+#define NSEC_PER_MSEC (1000 * 1000ull)
+
+static struct intel_buf *
+create_fill_buf(int fd, int width, int height, uint8_t color)
+{
+	struct intel_buf *buf;
+	uint8_t *ptr;
+
+	buf = calloc(1, sizeof(*buf));
+	igt_assert(buf);
+
+	intel_buf_init(buf_ops_create(fd), buf, width / 4, height, 32, 0,
+		       I915_TILING_NONE, 0);
+
+	ptr = xe_bo_map(fd, buf->handle, buf->surface[0].size);
+	memset(ptr, color, buf->surface[0].size);
+	munmap(ptr, buf->surface[0].size);
+
+	return buf;
+}
+
+static struct gpgpu_shader *get_shader(int fd)
+{
+	static struct gpgpu_shader *shader;
+
+	shader = gpgpu_shader_create(fd);
+	gpgpu_shader__write_dword(shader, SHADER_CANARY, 0);
+	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)
+{
+	struct intel_buf *buf = create_fill_buf(fd, width, height, COLOR_C4);
+	struct gpgpu_shader *shader = get_shader(fd);
+
+	gpgpu_shader_exec(ibb, buf, 1, threads, shader, NULL, 0, 0);
+	gpgpu_shader_destroy(shader);
+	return buf->handle;
+}
+
+static void check_fill_buf(uint8_t *ptr, const int width, const int x,
+			   const int y, const uint8_t color)
+{
+	const uint8_t val = ptr[y * width + x];
+
+	igt_assert_f(val == color,
+		     "Expected 0x%02x, found 0x%02x at (%d,%d)\n",
+		     color, val, x, y);
+}
+
+static void check_buf(int fd, uint32_t handle, int width, int height,
+		      uint8_t poison_c)
+{
+	unsigned int sz = ALIGN(width * height, 4096);
+	int thread_count = 0;
+	uint32_t *ptr;
+	int i, j;
+
+	ptr = xe_bo_mmap_ext(fd, handle, sz, PROT_READ);
+
+	for (i = 0, j = 0; j < height / 2; ++j) {
+		if (ptr[j * width / 4] == SHADER_CANARY) {
+			++thread_count;
+			i = 4;
+		}
+
+		for (; i < width; i++)
+			check_fill_buf((uint8_t *)ptr, width, i, j, poison_c);
+
+		i = 0;
+	}
+
+	igt_assert(thread_count);
+
+	munmap(ptr, sz);
+}
+
+static uint64_t
+xe_sysfs_get_job_timeout_ms(int fd, struct drm_xe_engine_class_instance *eci)
+{
+	int engine_fd = -1;
+	uint64_t ret;
+
+	engine_fd = xe_sysfs_engine_open(fd, eci->gt_id, eci->engine_class);
+	ret = igt_sysfs_get_u64(engine_fd, "job_timeout_ms");
+	close(engine_fd);
+
+	return ret;
+}
+
+/**
+ * SUBTEST: sanity
+ * Description: check basic shader with write operation
+ * Run type: BAT
+ *
+ */
+static void test_sip(struct drm_xe_engine_class_instance *eci, uint32_t flags)
+{
+	unsigned int threads = 512;
+	unsigned int height = max_t(threads, HEIGHT, threads * 2);
+	uint32_t exec_queue_id, handle, vm_id;
+	unsigned int width = WIDTH;
+	struct timespec ts = { };
+	uint64_t timeout;
+	struct intel_bb *ibb;
+	int fd;
+
+	igt_debug("Using %s\n", xe_engine_class_string(eci->engine_class));
+
+	fd = drm_open_driver(DRIVER_XE);
+	xe_device_get(fd);
+
+	vm_id = xe_vm_create(fd, 0, 0);
+
+	/* Get timeout for job, and add 4s to ensure timeout processes in subtest. */
+	timeout = xe_sysfs_get_job_timeout_ms(fd, eci) + 4ull * MSEC_PER_SEC;
+	timeout *= NSEC_PER_MSEC;
+	timeout *= igt_run_in_simulation() ? 10 : 1;
+
+	exec_queue_id = xe_exec_queue_create(fd, vm_id, eci, 0);
+	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);
+
+	intel_bb_sync(ibb);
+	igt_assert_lt_u64(igt_nsec_elapsed(&ts), timeout);
+
+	check_buf(fd, handle, width, height, COLOR_C4);
+
+	gem_close(fd, handle);
+	intel_bb_destroy(ibb);
+
+	xe_exec_queue_destroy(fd, exec_queue_id);
+	xe_vm_destroy(fd, vm_id);
+	xe_device_put(fd);
+	close(fd);
+}
+
+#define test_render_and_compute(t, __fd, __eci) \
+	igt_subtest_with_dynamic(t) \
+		xe_for_each_engine(__fd, __eci) \
+			if (__eci->engine_class == DRM_XE_ENGINE_CLASS_RENDER || \
+			    __eci->engine_class == DRM_XE_ENGINE_CLASS_COMPUTE) \
+				igt_dynamic_f("%s%d", xe_engine_class_string(__eci->engine_class), \
+					      __eci->engine_instance)
+
+igt_main
+{
+	struct drm_xe_engine_class_instance *eci;
+	int fd;
+
+	igt_fixture
+		fd = drm_open_driver(DRIVER_XE);
+
+	test_render_and_compute("sanity", fd, eci)
+		test_sip(eci, 0);
+
+	igt_fixture
+		drm_close_driver(fd);
+}