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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 | ||
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27 | #include <linux/types.h> |
28 | ||
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29 | struct pci_dev; |
30 | struct drm_i915_private; | |
31 | ||
32 | struct i915_selftest { | |
33 | unsigned long timeout_jiffies; | |
34 | unsigned int timeout_ms; | |
35 | unsigned int random_seed; | |
06039d98 | 36 | char *filter; |
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37 | int mock; |
38 | int live; | |
3c7a44bb | 39 | int perf; |
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40 | }; |
41 | ||
42 | #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST) | |
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43 | #include <linux/fault-inject.h> |
44 | ||
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45 | extern struct i915_selftest i915_selftest; |
46 | ||
47 | int i915_mock_selftests(void); | |
48 | int i915_live_selftests(struct pci_dev *pdev); | |
3c7a44bb | 49 | int i915_perf_selftests(struct pci_dev *pdev); |
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50 | |
51 | /* We extract the function declarations from i915_mock_selftests.h and | |
52 | * i915_live_selftests.h Add your unit test declarations there! | |
53 | * | |
54 | * Mock unit tests are run very early upon module load, before the driver | |
55 | * is probed. All hardware interactions, as well as other subsystems, must | |
56 | * be "mocked". | |
57 | * | |
58 | * Live unit tests are run after the driver is loaded - all hardware | |
59 | * interactions are real. | |
60 | */ | |
61 | #define selftest(name, func) int func(void); | |
62 | #include "selftests/i915_mock_selftests.h" | |
63 | #undef selftest | |
64 | #define selftest(name, func) int func(struct drm_i915_private *i915); | |
65 | #include "selftests/i915_live_selftests.h" | |
3c7a44bb | 66 | #include "selftests/i915_perf_selftests.h" |
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67 | #undef selftest |
68 | ||
69 | struct i915_subtest { | |
70 | int (*func)(void *data); | |
71 | const char *name; | |
72 | }; | |
73 | ||
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74 | int __i915_nop_setup(void *data); |
75 | int __i915_nop_teardown(int err, void *data); | |
76 | ||
77 | int __i915_live_setup(void *data); | |
78 | int __i915_live_teardown(int err, void *data); | |
79 | ||
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80 | int __intel_gt_live_setup(void *data); |
81 | int __intel_gt_live_teardown(int err, void *data); | |
82 | ||
953c7f82 | 83 | int __i915_subtests(const char *caller, |
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84 | int (*setup)(void *data), |
85 | int (*teardown)(int err, void *data), | |
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86 | const struct i915_subtest *st, |
87 | unsigned int count, | |
88 | void *data); | |
89 | #define i915_subtests(T, data) \ | |
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90 | __i915_subtests(__func__, \ |
91 | __i915_nop_setup, __i915_nop_teardown, \ | |
92 | T, ARRAY_SIZE(T), data) | |
93 | #define i915_live_subtests(T, data) ({ \ | |
94 | typecheck(struct drm_i915_private *, data); \ | |
95 | __i915_subtests(__func__, \ | |
96 | __i915_live_setup, __i915_live_teardown, \ | |
97 | T, ARRAY_SIZE(T), data); \ | |
98 | }) | |
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99 | #define intel_gt_live_subtests(T, data) ({ \ |
100 | typecheck(struct intel_gt *, data); \ | |
101 | __i915_subtests(__func__, \ | |
102 | __intel_gt_live_setup, __intel_gt_live_teardown, \ | |
103 | T, ARRAY_SIZE(T), data); \ | |
104 | }) | |
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105 | |
106 | #define SUBTEST(x) { x, #x } | |
107 | ||
108 | #define I915_SELFTEST_DECLARE(x) x | |
109 | #define I915_SELFTEST_ONLY(x) unlikely(x) | |
2c8ab333 | 110 | #define I915_SELFTEST_EXPORT |
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111 | |
112 | #else /* !IS_ENABLED(CONFIG_DRM_I915_SELFTEST) */ | |
113 | ||
114 | static inline int i915_mock_selftests(void) { return 0; } | |
115 | static inline int i915_live_selftests(struct pci_dev *pdev) { return 0; } | |
3c7a44bb | 116 | static inline int i915_perf_selftests(struct pci_dev *pdev) { return 0; } |
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117 | |
118 | #define I915_SELFTEST_DECLARE(x) | |
119 | #define I915_SELFTEST_ONLY(x) 0 | |
2c8ab333 | 120 | #define I915_SELFTEST_EXPORT static |
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121 | |
122 | #endif | |
123 | ||
124 | /* Using the i915_selftest_ prefix becomes a little unwieldy with the helpers. | |
125 | * Instead we use the igt_ shorthand, in reference to the intel-gpu-tools | |
126 | * suite of uabi test cases (which includes a test runner for our selftests). | |
127 | */ | |
128 | ||
129 | #define IGT_TIMEOUT(name__) \ | |
130 | unsigned long name__ = jiffies + i915_selftest.timeout_jiffies | |
131 | ||
132 | __printf(2, 3) | |
133 | bool __igt_timeout(unsigned long timeout, const char *fmt, ...); | |
134 | ||
135 | #define igt_timeout(t, fmt, ...) \ | |
55e4b859 | 136 | __igt_timeout((t), KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__) |
953c7f82 | 137 | |
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138 | void igt_hexdump(const void *buf, size_t len); |
139 | ||
953c7f82 | 140 | #endif /* !__I915_SELFTEST_H__ */ |