tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
17static 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
32static 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
47static 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
58static 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
65static struct kunit_suite xe_pci_test_suite = {
66 .name = "xe_pci",
67 .test_cases = xe_pci_tests,
68};
69
70kunit_test_suite(xe_pci_test_suite);