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/*
* 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 __IGT_DUMMYLOAD_H__
#define __IGT_DUMMYLOAD_H__
#include <stdint.h>
#include <time.h>
#include "igt_core.h"
#include "igt_list.h"
#include "i915_drm.h"
typedef struct igt_spin {
unsigned int handle;
timer_t timer;
struct igt_list link;
uint32_t *condition;
uint32_t cmd_precondition;
int out_fence;
struct drm_i915_gem_exec_object2 obj[2];
#define IGT_SPIN_BATCH 1
struct drm_i915_gem_execbuffer2 execbuf;
uint32_t poll_handle;
uint32_t *poll;
#define SPIN_POLL_START_IDX 0
} igt_spin_t;
struct igt_spin_factory {
uint32_t ctx;
uint32_t dependency;
unsigned int engine;
unsigned int flags;
};
#define IGT_SPIN_FENCE_OUT (1 << 0)
#define IGT_SPIN_POLL_RUN (1 << 1)
#define IGT_SPIN_FAST (1 << 2)
#define IGT_SPIN_NO_PREEMPTION (1 << 3)
igt_spin_t *
__igt_spin_factory(int fd, const struct igt_spin_factory *opts);
igt_spin_t *
igt_spin_factory(int fd, const struct igt_spin_factory *opts);
#define __igt_spin_new(fd, ...) \
__igt_spin_factory(fd, &((struct igt_spin_factory){__VA_ARGS__}))
#define igt_spin_new(fd, ...) \
igt_spin_factory(fd, &((struct igt_spin_factory){__VA_ARGS__}))
void igt_spin_set_timeout(igt_spin_t *spin, int64_t ns);
void igt_spin_reset(igt_spin_t *spin);
void igt_spin_end(igt_spin_t *spin);
void igt_spin_free(int fd, igt_spin_t *spin);
static inline bool igt_spin_has_poll(const igt_spin_t *spin)
{
return spin->poll;
}
static inline bool igt_spin_has_started(igt_spin_t *spin)
{
return READ_ONCE(spin->poll[SPIN_POLL_START_IDX]);
}
static inline void igt_spin_busywait_until_started(igt_spin_t *spin)
{
while (!igt_spin_has_started(spin))
;
}
void igt_terminate_spins(void);
void igt_unshare_spins(void);
enum igt_cork_type {
CORK_SYNC_FD = 1,
CORK_VGEM_HANDLE
};
struct igt_cork_vgem {
int device;
uint32_t fence;
};
struct igt_cork_sw_sync {
int timeline;
};
struct igt_cork {
enum igt_cork_type type;
union {
int fd;
struct igt_cork_vgem vgem;
struct igt_cork_sw_sync sw_sync;
};
};
#define IGT_CORK(name, cork_type) struct igt_cork name = { .type = cork_type, .fd = -1}
#define IGT_CORK_HANDLE(name) IGT_CORK(name, CORK_VGEM_HANDLE)
#define IGT_CORK_FENCE(name) IGT_CORK(name, CORK_SYNC_FD)
uint32_t igt_cork_plug(struct igt_cork *cork, int fd);
void igt_cork_unplug(struct igt_cork *cork);
#endif /* __IGT_DUMMYLOAD_H__ */
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