/*
* Copyright © 2016 Intel Corporation
*
* Permission is hereby granted , free of charge , to any person obtaining a
* copy of this software and associated documentation files ( the " Software " ) ,
* to deal in the Software without restriction , including without limitation
* the rights to use , copy , modify , merge , publish , distribute , sublicense ,
* and / or sell copies of the Software , and to permit persons to whom the
* Software is furnished to do so , subject to the following conditions :
*
* The above copyright notice and this permission notice ( including the next
* paragraph ) shall be included in all copies or substantial portions of the
* Software .
*
* THE SOFTWARE IS PROVIDED " AS IS " , WITHOUT WARRANTY OF ANY KIND , EXPRESS OR
* IMPLIED , INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY ,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT . IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM , DAMAGES OR OTHER
* LIABILITY , WHETHER IN AN ACTION OF CONTRACT , TORT OR OTHERWISE , ARISING
* FROM , OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE .
*/
#ifndef __I915_SELFTEST_H__
#define __I915_SELFTEST_H__
#include <linux/types.h>
struct pci_dev;
struct drm_i915_private;
struct i915_selftest {
unsigned long timeout_jiffies;
unsigned int timeout_ms;
unsigned int random_seed;
char *filter;
int mock;
int live;
int perf;
};
#if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
#include <linux/fault-inject.h>
extern struct i915_selftest i915_selftest;
int i915_mock_selftests(void );
int i915_live_selftests(struct pci_dev *pdev);
int i915_perf_selftests(struct pci_dev *pdev);
/* We extract the function declarations from i915_mock_selftests.h and
* i915_live_selftests . h Add your unit test declarations there !
*
* Mock unit tests are run very early upon module load , before the driver
* is probed . All hardware interactions , as well as other subsystems , must
* be " mocked " .
*
* Live unit tests are run after the driver is loaded - all hardware
* interactions are real .
*/
#define selftest(name, func) int func(void );
#include "selftests/i915_mock_selftests.h"
#undef selftest
#define selftest(name, func) int func(struct drm_i915_private *i915);
#include "selftests/i915_live_selftests.h"
#include "selftests/i915_perf_selftests.h"
#undef selftest
struct i915_subtest {
int (*func)(void *data);
const char *name;
};
int __i915_nop_setup(void *data);
int __i915_nop_teardown(int err, void *data);
int __i915_live_setup(void *data);
int __i915_live_teardown(int err, void *data);
int __intel_gt_live_setup(void *data);
int __intel_gt_live_teardown(int err, void *data);
int __i915_subtests(const char *caller,
int (*setup)(void *data),
int (*teardown)(int err, void *data),
const struct i915_subtest *st,
unsigned int count,
void *data);
#define i915_subtests(T, data) \
__i915_subtests(__func__, \
__i915_nop_setup, __i915_nop_teardown, \
T, ARRAY_SIZE(T), data)
#define i915_live_subtests(T, data) ({ \
typecheck(struct drm_i915_private *, data); \
(data)->gt[0 ]->uc.guc.submission_state.sched_disable_delay_ms = 0 ; \
__i915_subtests(__func__, \
__i915_live_setup, __i915_live_teardown, \
T, ARRAY_SIZE(T), data); \
})
#define intel_gt_live_subtests(T, data) ({ \
typecheck(struct intel_gt *, data); \
(data)->uc.guc.submission_state.sched_disable_delay_ms = 0 ; \
__i915_subtests(__func__, \
__intel_gt_live_setup, __intel_gt_live_teardown, \
T, ARRAY_SIZE(T), data); \
})
#define SUBTEST(x) { x, #x }
#define I915_SELFTEST_DECLARE(x) x
#define I915_SELFTEST_ONLY(x) unlikely(x)
#define I915_SELFTEST_EXPORT
#else /* !IS_ENABLED(CONFIG_DRM_I915_SELFTEST) */
static inline int i915_mock_selftests(void ) { return 0 ; }
static inline int i915_live_selftests(struct pci_dev *pdev) { return 0 ; }
static inline int i915_perf_selftests(struct pci_dev *pdev) { return 0 ; }
#define I915_SELFTEST_DECLARE(x)
#define I915_SELFTEST_ONLY(x) 0
#define I915_SELFTEST_EXPORT static
#endif
/* Using the i915_selftest_ prefix becomes a little unwieldy with the helpers.
* Instead we use the igt_ shorthand , in reference to the intel - gpu - tools
* suite of uabi test cases ( which includes a test runner for our selftests ) .
*/
#define IGT_TIMEOUT(name__) \
unsigned long name__ = jiffies + i915_selftest.timeout_jiffies
__printf(2 , 3 )
bool __igt_timeout(unsigned long timeout, const char *fmt, ...);
#define igt_timeout(t, fmt, ...) \
__igt_timeout((t), KERN_DEBUG pr_fmt(fmt), ## __VA_ARGS__)
void igt_hexdump(const void *buf, size_t len);
#endif /* !__I915_SELFTEST_H__ */
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