1 files changed, 76 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/tests/xe_pci_test.c b/drivers/gpu/drm/xe/tests/xe_pci_test.c
new file mode 100644
index 000000000000..4d10a7e2b570
--- /dev/null
+++ b/drivers/gpu/drm/xe/tests/xe_pci_test.c
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright © 2023 Intel Corporation
+ */
+
+#include <drm/drm_drv.h>
+#include <drm/drm_kunit_helpers.h>
+
+#include <kunit/test.h>
+
+#include "tests/xe_test.h"
+
+#include "xe_device.h"
+#include "xe_pci_test.h"
+#include "xe_pci_types.h"
+
+static void check_graphics_ip(struct kunit *test)
+{
+	const struct xe_ip *param = test->param_value;
+	const struct xe_graphics_desc *graphics = param->desc;
+	u64 mask = graphics->hw_engine_mask;
+
+	/* RCS, CCS, and BCS engines are allowed on the graphics IP */
+	mask &= ~(XE_HW_ENGINE_RCS_MASK |
+		  XE_HW_ENGINE_CCS_MASK |
+		  XE_HW_ENGINE_BCS_MASK);
+
+	/* Any remaining engines are an error */
+	KUNIT_ASSERT_EQ(test, mask, 0);
+}
+
+static void check_media_ip(struct kunit *test)
+{
+	const struct xe_ip *param = test->param_value;
+	const struct xe_media_desc *media = param->desc;
+	u64 mask = media->hw_engine_mask;
+
+	/* VCS, VECS and GSCCS engines are allowed on the media IP */
+	mask &= ~(XE_HW_ENGINE_VCS_MASK |
+		  XE_HW_ENGINE_VECS_MASK |
+		  XE_HW_ENGINE_GSCCS_MASK);
+
+	/* Any remaining engines are an error */
+	KUNIT_ASSERT_EQ(test, mask, 0);
+}
+
+static void check_platform_desc(struct kunit *test)
+{
+	const struct pci_device_id *pci = test->param_value;
+	const struct xe_device_desc *desc =
+		(const struct xe_device_desc *)pci->driver_data;
+
+	KUNIT_EXPECT_GT(test, desc->dma_mask_size, 0);
+
+	KUNIT_EXPECT_GT(test, (unsigned int)desc->max_gt_per_tile, 0);
+	KUNIT_EXPECT_LE(test, (unsigned int)desc->max_gt_per_tile, XE_MAX_GT_PER_TILE);
+
+	KUNIT_EXPECT_GT(test, desc->va_bits, 0);
+	KUNIT_EXPECT_LE(test, desc->va_bits, 64);
+
+	KUNIT_EXPECT_GT(test, desc->vm_max_level, 0);
+}
+
+static struct kunit_case xe_pci_tests[] = {
+	KUNIT_CASE_PARAM(check_graphics_ip, xe_pci_graphics_ip_gen_param),
+	KUNIT_CASE_PARAM(check_media_ip, xe_pci_media_ip_gen_param),
+	KUNIT_CASE_PARAM(check_platform_desc, xe_pci_id_gen_param),
+	{}
+};
+
+static struct kunit_suite xe_pci_test_suite = {
+	.name = "xe_pci",
+	.test_cases = xe_pci_tests,
+};
+
+kunit_test_suite(xe_pci_test_suite);