1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright © 2023 Intel Corporation
4 */
5
6 #include <drm/drm_drv.h>
7 #include <drm/drm_kunit_helpers.h>
8
9 #include <kunit/test.h>
10
11 #include "tests/xe_test.h"
12
13 #include "xe_device.h"
14 #include "xe_pci_test.h"
15 #include "xe_pci_types.h"
16
check_graphics_ip(struct kunit * test)17 static void check_graphics_ip(struct kunit *test)
18 {
19 const struct xe_ip *param = test->param_value;
20 const struct xe_graphics_desc *graphics = param->desc;
21 u64 mask = graphics->hw_engine_mask;
22
23 /* RCS, CCS, and BCS engines are allowed on the graphics IP */
24 mask &= ~(XE_HW_ENGINE_RCS_MASK |
25 XE_HW_ENGINE_CCS_MASK |
26 XE_HW_ENGINE_BCS_MASK);
27
28 /* Any remaining engines are an error */
29 KUNIT_ASSERT_EQ(test, mask, 0);
30 }
31
check_media_ip(struct kunit * test)32 static void check_media_ip(struct kunit *test)
33 {
34 const struct xe_ip *param = test->param_value;
35 const struct xe_media_desc *media = param->desc;
36 u64 mask = media->hw_engine_mask;
37
38 /* VCS, VECS and GSCCS engines are allowed on the media IP */
39 mask &= ~(XE_HW_ENGINE_VCS_MASK |
40 XE_HW_ENGINE_VECS_MASK |
41 XE_HW_ENGINE_GSCCS_MASK);
42
43 /* Any remaining engines are an error */
44 KUNIT_ASSERT_EQ(test, mask, 0);
45 }
46
check_platform_gt_count(struct kunit * test)47 static void check_platform_gt_count(struct kunit *test)
48 {
49 const struct pci_device_id *pci = test->param_value;
50 const struct xe_device_desc *desc =
51 (const struct xe_device_desc *)pci->driver_data;
52 int max_gt = desc->max_gt_per_tile;
53
54 KUNIT_ASSERT_GT(test, max_gt, 0);
55 KUNIT_ASSERT_LE(test, max_gt, XE_MAX_GT_PER_TILE);
56 }
57
58 static struct kunit_case xe_pci_tests[] = {
59 KUNIT_CASE_PARAM(check_graphics_ip, xe_pci_graphics_ip_gen_param),
60 KUNIT_CASE_PARAM(check_media_ip, xe_pci_media_ip_gen_param),
61 KUNIT_CASE_PARAM(check_platform_gt_count, xe_pci_id_gen_param),
62 {}
63 };
64
65 static struct kunit_suite xe_pci_test_suite = {
66 .name = "xe_pci",
67 .test_cases = xe_pci_tests,
68 };
69
70 kunit_test_suite(xe_pci_test_suite);
71