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24 #ifndef __I915_SELFTEST_H__
25 #define __I915_SELFTEST_H__
28 struct drm_i915_private;
30 struct i915_selftest {
31 unsigned long timeout_jiffies;
32 unsigned int timeout_ms;
33 unsigned int random_seed;
39 #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
40 #include <linux/fault-inject.h>
42 extern struct i915_selftest i915_selftest;
44 int i915_mock_selftests(void);
45 int i915_live_selftests(struct pci_dev *pdev);
47 /* We extract the function declarations from i915_mock_selftests.h and
48 * i915_live_selftests.h Add your unit test declarations there!
50 * Mock unit tests are run very early upon module load, before the driver
51 * is probed. All hardware interactions, as well as other subsystems, must
54 * Live unit tests are run after the driver is loaded - all hardware
55 * interactions are real.
57 #define selftest(name, func) int func(void);
58 #include "selftests/i915_mock_selftests.h"
60 #define selftest(name, func) int func(struct drm_i915_private *i915);
61 #include "selftests/i915_live_selftests.h"
65 int (*func)(void *data);
69 int __i915_subtests(const char *caller,
70 const struct i915_subtest *st,
73 #define i915_subtests(T, data) \
74 __i915_subtests(__func__, T, ARRAY_SIZE(T), data)
76 #define SUBTEST(x) { x, #x }
78 #define I915_SELFTEST_DECLARE(x) x
79 #define I915_SELFTEST_ONLY(x) unlikely(x)
81 #else /* !IS_ENABLED(CONFIG_DRM_I915_SELFTEST) */
83 static inline int i915_mock_selftests(void) { return 0; }
84 static inline int i915_live_selftests(struct pci_dev *pdev) { return 0; }
86 #define I915_SELFTEST_DECLARE(x)
87 #define I915_SELFTEST_ONLY(x) 0
91 /* Using the i915_selftest_ prefix becomes a little unwieldy with the helpers.
92 * Instead we use the igt_ shorthand, in reference to the intel-gpu-tools
93 * suite of uabi test cases (which includes a test runner for our selftests).
96 #define IGT_TIMEOUT(name__) \
97 unsigned long name__ = jiffies + i915_selftest.timeout_jiffies
100 bool __igt_timeout(unsigned long timeout, const char *fmt, ...);
102 #define igt_timeout(t, fmt, ...) \
103 __igt_timeout((t), KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
105 #endif /* !__I915_SELFTEST_H__ */