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1/*2 * Copyright © 2016 Intel Corporation3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice (including the next12 * paragraph) shall be included in all copies or substantial portions of the13 * Software.14 *15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS21 * IN THE SOFTWARE.22 */23 24#ifndef __I915_SELFTEST_H__25#define __I915_SELFTEST_H__26 27#include <linux/types.h>28 29struct pci_dev;30struct drm_i915_private;31 32struct 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 45extern struct i915_selftest i915_selftest;46 47int i915_mock_selftests(void);48int i915_live_selftests(struct pci_dev *pdev);49int i915_perf_selftests(struct pci_dev *pdev);50 51/* We extract the function declarations from i915_mock_selftests.h and52 * i915_live_selftests.h Add your unit test declarations there!53 *54 * Mock unit tests are run very early upon module load, before the driver55 * is probed. All hardware interactions, as well as other subsystems, must56 * be "mocked".57 *58 * Live unit tests are run after the driver is loaded - all hardware59 * interactions are real.60 */61#define selftest(name, func) int func(void);62#include "selftests/i915_mock_selftests.h"63#undef selftest64#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 selftest68 69struct i915_subtest {70 int (*func)(void *data);71 const char *name;72};73 74int __i915_nop_setup(void *data);75int __i915_nop_teardown(int err, void *data);76 77int __i915_live_setup(void *data);78int __i915_live_teardown(int err, void *data);79 80int __intel_gt_live_setup(void *data);81int __intel_gt_live_teardown(int err, void *data);82 83int __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) x111#define I915_SELFTEST_ONLY(x) unlikely(x)112#define I915_SELFTEST_EXPORT113 114#else /* !IS_ENABLED(CONFIG_DRM_I915_SELFTEST) */115 116static inline int i915_mock_selftests(void) { return 0; }117static inline int i915_live_selftests(struct pci_dev *pdev) { return 0; }118static inline int i915_perf_selftests(struct pci_dev *pdev) { return 0; }119 120#define I915_SELFTEST_DECLARE(x)121#define I915_SELFTEST_ONLY(x) 0122#define I915_SELFTEST_EXPORT static123 124#endif125 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-tools128 * 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_jiffies133 134__printf(2, 3)135bool __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 140void igt_hexdump(const void *buf, size_t len);141 142#endif /* !__I915_SELFTEST_H__ */143