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/*
* Copyright © 2014, 2015 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.
*
* Authors:
* Daniel Vetter <daniel.vetter@ffwll.ch>
*
*/
#ifndef IGT_AUX_H
#define IGT_AUX_H
#include <intel_bufmgr.h>
#include <stdbool.h>
#include <sys/time.h>
extern drm_intel_bo **trash_bos;
extern int num_trash_bos;
/* auxialiary igt helpers from igt_aux.c */
/* generally useful helpers */
void igt_fork_signal_helper(void);
void igt_stop_signal_helper(void);
void igt_exchange_int(void *array, unsigned i, unsigned j);
void igt_permute_array(void *array, unsigned size,
void (*exchange_func)(void *array,
unsigned i,
unsigned j));
void igt_progress(const char *header, uint64_t i, uint64_t total);
void igt_print_activity(void);
bool igt_check_boolean_env_var(const char *env_var, bool default_value);
bool igt_aub_dump_enabled(void);
/* helpers based upon the libdrm buffer manager */
void igt_init_aperture_trashers(drm_intel_bufmgr *bufmgr);
void igt_trash_aperture(void);
void igt_cleanup_aperture_trashers(void);
/* suspend/hibernate and auto-resume system */
void igt_system_suspend_autoresume(void);
void igt_system_hibernate_autoresume(void);
/* dropping priviledges */
void igt_drop_root(void);
void igt_debug_wait_for_keypress(const char *var);
void igt_debug_manual_check(const char *var, const char *expected);
enum igt_runtime_pm_status {
IGT_RUNTIME_PM_STATUS_ACTIVE,
IGT_RUNTIME_PM_STATUS_SUSPENDED,
IGT_RUNTIME_PM_STATUS_SUSPENDING,
IGT_RUNTIME_PM_STATUS_RESUMING,
IGT_RUNTIME_PM_STATUS_UNKNOWN,
};
bool igt_setup_runtime_pm(void);
enum igt_runtime_pm_status igt_get_runtime_pm_status(void);
bool igt_wait_for_pm_status(enum igt_runtime_pm_status status);
/* sysinfo cross-arch wrappers from intel_os.c */
/* These are separate to allow easier testing when porting, see the comment at
* the bottom of intel_os.c. */
void intel_purge_vm_caches(void);
uint64_t intel_get_avail_ram_mb(void);
uint64_t intel_get_total_ram_mb(void);
uint64_t intel_get_total_swap_mb(void);
int __intel_check_memory(uint64_t count, uint64_t size, unsigned mode,
uint64_t *out_required, uint64_t *out_total);
void intel_require_memory(uint64_t count, uint64_t size, unsigned mode);
#define CHECK_RAM 0x1
#define CHECK_SWAP 0x2
#define min(a, b) ({ \
typeof(a) _a = (a); \
typeof(b) _b = (b); \
_a < _b ? _a : _b; \
})
#define max(a, b) ({ \
typeof(a) _a = (a); \
typeof(b) _b = (b); \
_a > _b ? _a : _b; \
})
#define igt_swap(a, b) do { \
typeof(a) _tmp = (a); \
(a) = (b); \
(b) = _tmp; \
} while (0)
void igt_lock_mem(size_t size);
void igt_unlock_mem(void);
/**
* igt_wait:
* @COND: condition to wait
* @timeout_ms: timeout in milliseconds
* @interval_ms: amount of time we try to sleep between COND checks
*
* Waits until COND evaluates to true or the timeout passes.
*
* It is safe to call this macro if the signal helper is active. The only
* problem is that the usleep() calls will return early, making us evaluate COND
* too often, possibly eating valuable CPU cycles.
*
* Returns:
* True of COND evaluated to true, false otherwise.
*/
#define igt_wait(COND, timeout_ms, interval_ms) ({ \
struct timeval start_, end_, diff_; \
int elapsed_ms_; \
bool ret_ = false; \
\
igt_assert(gettimeofday(&start_, NULL) == 0); \
do { \
if (COND) { \
ret_ = true; \
break; \
} \
\
usleep(interval_ms * 1000); \
\
igt_assert(gettimeofday(&end_, NULL) == 0); \
timersub(&end_, &start_, &diff_); \
\
elapsed_ms_ = diff_.tv_sec * 1000 + \
diff_.tv_usec / 1000; \
} while (elapsed_ms_ < timeout_ms); \
\
if (!ret_ && (COND)) \
ret_ = true; \
\
ret_; \
})
void igt_set_module_param(const char *name, const char *val);
void igt_set_module_param_int(const char *name, int val);
#endif /* IGT_AUX_H */
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