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 | #include <linux/types.h> |
28 | |
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; |
36 | char *filter; |
37 | int mock; |
38 | int live; |
39 | int perf; |
40 | }; |
41 | |
42 | #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST) |
43 | #include <linux/fault-inject.h> |
44 | |
45 | extern struct i915_selftest i915_selftest; |
46 | |
47 | int i915_mock_selftests(void); |
48 | int i915_live_selftests(struct pci_dev *pdev); |
49 | int i915_perf_selftests(struct pci_dev *pdev); |
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" |
66 | #include "selftests/i915_perf_selftests.h" |
67 | #undef selftest |
68 | |
69 | struct i915_subtest { |
70 | int (*func)(void *data); |
71 | const char *name; |
72 | }; |
73 | |
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 | |
80 | int __intel_gt_live_setup(void *data); |
81 | int __intel_gt_live_teardown(int err, void *data); |
82 | |
83 | int __i915_subtests(const char *caller, |
84 | int (*setup)(void *data), |
85 | int (*teardown)(int err, void *data), |
86 | const struct i915_subtest *st, |
87 | unsigned int count, |
88 | void *data); |
89 | #define i915_subtests(T, data) \ |
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 | (data)->gt[0]->uc.guc.submission_state.sched_disable_delay_ms = 0; \ |
96 | __i915_subtests(__func__, \ |
97 | __i915_live_setup, __i915_live_teardown, \ |
98 | T, ARRAY_SIZE(T), data); \ |
99 | }) |
100 | #define intel_gt_live_subtests(T, data) ({ \ |
101 | typecheck(struct intel_gt *, data); \ |
102 | (data)->uc.guc.submission_state.sched_disable_delay_ms = 0; \ |
103 | __i915_subtests(__func__, \ |
104 | __intel_gt_live_setup, __intel_gt_live_teardown, \ |
105 | T, ARRAY_SIZE(T), data); \ |
106 | }) |
107 | |
108 | #define SUBTEST(x) { x, #x } |
109 | |
110 | #define I915_SELFTEST_DECLARE(x) x |
111 | #define I915_SELFTEST_ONLY(x) unlikely(x) |
112 | #define I915_SELFTEST_EXPORT |
113 | |
114 | #else /* !IS_ENABLED(CONFIG_DRM_I915_SELFTEST) */ |
115 | |
116 | static inline int i915_mock_selftests(void) { return 0; } |
117 | static inline int i915_live_selftests(struct pci_dev *pdev) { return 0; } |
118 | static inline int i915_perf_selftests(struct pci_dev *pdev) { return 0; } |
119 | |
120 | #define I915_SELFTEST_DECLARE(x) |
121 | #define I915_SELFTEST_ONLY(x) 0 |
122 | #define I915_SELFTEST_EXPORT static |
123 | |
124 | #endif |
125 | |
126 | /* Using the i915_selftest_ prefix becomes a little unwieldy with the helpers. |
127 | * Instead we use the igt_ shorthand, in reference to the intel-gpu-tools |
128 | * suite of uabi test cases (which includes a test runner for our selftests). |
129 | */ |
130 | |
131 | #define IGT_TIMEOUT(name__) \ |
132 | unsigned long name__ = jiffies + i915_selftest.timeout_jiffies |
133 | |
134 | __printf(2, 3) |
135 | bool __igt_timeout(unsigned long timeout, const char *fmt, ...); |
136 | |
137 | #define igt_timeout(t, fmt, ...) \ |
138 | __igt_timeout((t), KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__) |
139 | |
140 | void igt_hexdump(const void *buf, size_t len); |
141 | |
142 | #endif /* !__I915_SELFTEST_H__ */ |
143 | |