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131 lines
3.4 KiB
131 lines
3.4 KiB
/*
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* Copyright © 2016 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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*/
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#ifndef __IGT_DUMMYLOAD_H__
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#define __IGT_DUMMYLOAD_H__
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#include <stdint.h>
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#include <time.h>
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#include "igt_core.h"
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#include "igt_list.h"
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#include "i915_drm.h"
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typedef struct igt_spin {
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unsigned int handle;
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timer_t timer;
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struct igt_list link;
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uint32_t *condition;
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uint32_t cmd_precondition;
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int out_fence;
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struct drm_i915_gem_exec_object2 obj[2];
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#define IGT_SPIN_BATCH 1
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struct drm_i915_gem_execbuffer2 execbuf;
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uint32_t poll_handle;
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uint32_t *poll;
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#define SPIN_POLL_START_IDX 0
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} igt_spin_t;
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struct igt_spin_factory {
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uint32_t ctx;
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uint32_t dependency;
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unsigned int engine;
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unsigned int flags;
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};
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#define IGT_SPIN_FENCE_OUT (1 << 0)
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#define IGT_SPIN_POLL_RUN (1 << 1)
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#define IGT_SPIN_FAST (1 << 2)
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#define IGT_SPIN_NO_PREEMPTION (1 << 3)
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igt_spin_t *
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__igt_spin_factory(int fd, const struct igt_spin_factory *opts);
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igt_spin_t *
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igt_spin_factory(int fd, const struct igt_spin_factory *opts);
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#define __igt_spin_new(fd, ...) \
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__igt_spin_factory(fd, &((struct igt_spin_factory){__VA_ARGS__}))
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#define igt_spin_new(fd, ...) \
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igt_spin_factory(fd, &((struct igt_spin_factory){__VA_ARGS__}))
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void igt_spin_set_timeout(igt_spin_t *spin, int64_t ns);
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void igt_spin_reset(igt_spin_t *spin);
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void igt_spin_end(igt_spin_t *spin);
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void igt_spin_free(int fd, igt_spin_t *spin);
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static inline bool igt_spin_has_poll(const igt_spin_t *spin)
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{
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return spin->poll;
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}
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static inline bool igt_spin_has_started(igt_spin_t *spin)
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{
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return READ_ONCE(spin->poll[SPIN_POLL_START_IDX]);
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}
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static inline void igt_spin_busywait_until_started(igt_spin_t *spin)
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{
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while (!igt_spin_has_started(spin))
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;
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}
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void igt_terminate_spins(void);
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void igt_unshare_spins(void);
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enum igt_cork_type {
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CORK_SYNC_FD = 1,
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CORK_VGEM_HANDLE
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};
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struct igt_cork_vgem {
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int device;
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uint32_t fence;
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};
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struct igt_cork_sw_sync {
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int timeline;
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};
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struct igt_cork {
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enum igt_cork_type type;
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union {
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int fd;
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struct igt_cork_vgem vgem;
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struct igt_cork_sw_sync sw_sync;
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};
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};
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#define IGT_CORK(name, cork_type) struct igt_cork name = { .type = cork_type, .fd = -1}
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#define IGT_CORK_HANDLE(name) IGT_CORK(name, CORK_VGEM_HANDLE)
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#define IGT_CORK_FENCE(name) IGT_CORK(name, CORK_SYNC_FD)
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uint32_t igt_cork_plug(struct igt_cork *cork, int fd);
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void igt_cork_unplug(struct igt_cork *cork);
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#endif /* __IGT_DUMMYLOAD_H__ */
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