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1 | /* |
2 | * Copyright © 2016 Intel Corporation | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice (including the next | |
12 | * paragraph) shall be included in all copies or substantial portions of the | |
13 | * Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS | |
21 | * IN THE SOFTWARE. | |
22 | */ | |
23 | ||
24 | #ifndef __I915_SELFTEST_H__ | |
25 | #define __I915_SELFTEST_H__ | |
26 | ||
27 | struct pci_dev; | |
28 | struct drm_i915_private; | |
29 | ||
30 | struct i915_selftest { | |
31 | unsigned long timeout_jiffies; | |
32 | unsigned int timeout_ms; | |
33 | unsigned int random_seed; | |
34 | int mock; | |
35 | int live; | |
36 | }; | |
37 | ||
38 | #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST) | |
aae4a3d8 CW |
39 | #include <linux/fault-inject.h> |
40 | ||
953c7f82 CW |
41 | extern struct i915_selftest i915_selftest; |
42 | ||
43 | int i915_mock_selftests(void); | |
44 | int i915_live_selftests(struct pci_dev *pdev); | |
45 | ||
46 | /* We extract the function declarations from i915_mock_selftests.h and | |
47 | * i915_live_selftests.h Add your unit test declarations there! | |
48 | * | |
49 | * Mock unit tests are run very early upon module load, before the driver | |
50 | * is probed. All hardware interactions, as well as other subsystems, must | |
51 | * be "mocked". | |
52 | * | |
53 | * Live unit tests are run after the driver is loaded - all hardware | |
54 | * interactions are real. | |
55 | */ | |
56 | #define selftest(name, func) int func(void); | |
57 | #include "selftests/i915_mock_selftests.h" | |
58 | #undef selftest | |
59 | #define selftest(name, func) int func(struct drm_i915_private *i915); | |
60 | #include "selftests/i915_live_selftests.h" | |
61 | #undef selftest | |
62 | ||
63 | struct i915_subtest { | |
64 | int (*func)(void *data); | |
65 | const char *name; | |
66 | }; | |
67 | ||
68 | int __i915_subtests(const char *caller, | |
69 | const struct i915_subtest *st, | |
70 | unsigned int count, | |
71 | void *data); | |
72 | #define i915_subtests(T, data) \ | |
73 | __i915_subtests(__func__, T, ARRAY_SIZE(T), data) | |
74 | ||
75 | #define SUBTEST(x) { x, #x } | |
76 | ||
77 | #define I915_SELFTEST_DECLARE(x) x | |
78 | #define I915_SELFTEST_ONLY(x) unlikely(x) | |
79 | ||
80 | #else /* !IS_ENABLED(CONFIG_DRM_I915_SELFTEST) */ | |
81 | ||
82 | static inline int i915_mock_selftests(void) { return 0; } | |
83 | static inline int i915_live_selftests(struct pci_dev *pdev) { return 0; } | |
84 | ||
85 | #define I915_SELFTEST_DECLARE(x) | |
86 | #define I915_SELFTEST_ONLY(x) 0 | |
87 | ||
88 | #endif | |
89 | ||
90 | /* Using the i915_selftest_ prefix becomes a little unwieldy with the helpers. | |
91 | * Instead we use the igt_ shorthand, in reference to the intel-gpu-tools | |
92 | * suite of uabi test cases (which includes a test runner for our selftests). | |
93 | */ | |
94 | ||
95 | #define IGT_TIMEOUT(name__) \ | |
96 | unsigned long name__ = jiffies + i915_selftest.timeout_jiffies | |
97 | ||
98 | __printf(2, 3) | |
99 | bool __igt_timeout(unsigned long timeout, const char *fmt, ...); | |
100 | ||
101 | #define igt_timeout(t, fmt, ...) \ | |
102 | __igt_timeout((t), KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) | |
103 | ||
17059450 CW |
104 | #define igt_can_mi_store_dword_imm(D) (INTEL_GEN(D) > 2) |
105 | ||
953c7f82 | 106 | #endif /* !__I915_SELFTEST_H__ */ |