xe_pci_test.c

 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_desc(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
53	KUNIT_EXPECT_GT(test, desc->dma_mask_size, 0);
54
55	KUNIT_EXPECT_GT(test, (unsigned int)desc->max_gt_per_tile, 0);
56	KUNIT_EXPECT_LE(test, (unsigned int)desc->max_gt_per_tile, XE_MAX_GT_PER_TILE);
57
58	KUNIT_EXPECT_GT(test, desc->va_bits, 0);
59	KUNIT_EXPECT_LE(test, desc->va_bits, 64);
60
61	KUNIT_EXPECT_GT(test, desc->vm_max_level, 0);
62}
63
64static struct kunit_case xe_pci_tests[] = {
65	KUNIT_CASE_PARAM(check_graphics_ip, xe_pci_graphics_ip_gen_param),
66	KUNIT_CASE_PARAM(check_media_ip, xe_pci_media_ip_gen_param),
67	KUNIT_CASE_PARAM(check_platform_desc, xe_pci_id_gen_param),
68	{}
69};
70
71static struct kunit_suite xe_pci_test_suite = {
72	.name = "xe_pci",
73	.test_cases = xe_pci_tests,
74};
75
76kunit_test_suite(xe_pci_test_suite);