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/*
* Copyright © 2017 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_SYNCOBJ_H
#define IGT_SYNCOBJ_H
#include <stdint.h>
#include <stdbool.h>
#include <drm.h>
#define LOCAL_SYNCOBJ_CREATE_SIGNALED (1 << 0)
#define LOCAL_SYNCOBJ_WAIT_FLAGS_WAIT_ALL (1 << 0)
#define LOCAL_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT (1 << 1)
struct local_syncobj_wait {
__u64 handles;
/* absolute timeout */
__s64 timeout_nsec;
__u32 count_handles;
__u32 flags;
__u32 first_signaled; /* only valid when not waiting all */
__u32 pad;
};
struct local_syncobj_array {
__u64 handles;
__u32 count_handles;
__u32 pad;
};
#define LOCAL_IOCTL_SYNCOBJ_WAIT DRM_IOWR(0xC3, struct local_syncobj_wait)
#define LOCAL_IOCTL_SYNCOBJ_RESET DRM_IOWR(0xC4, struct local_syncobj_array)
#define LOCAL_IOCTL_SYNCOBJ_SIGNAL DRM_IOWR(0xC5, struct local_syncobj_array)
uint32_t syncobj_create(int fd, uint32_t flags);
void syncobj_destroy(int fd, uint32_t handle);
int __syncobj_handle_to_fd(int fd, struct drm_syncobj_handle *args);
int __syncobj_fd_to_handle(int fd, struct drm_syncobj_handle *args);
int syncobj_handle_to_fd(int fd, uint32_t handle, uint32_t flags);
uint32_t syncobj_fd_to_handle(int fd, int syncobj_fd, uint32_t flags);
void syncobj_import_sync_file(int fd, uint32_t handle, int sync_file);
int __syncobj_wait(int fd, struct local_syncobj_wait *args);
int syncobj_wait_err(int fd, uint32_t *handles, uint32_t count,
uint64_t abs_timeout_nsec, uint32_t flags);
bool syncobj_wait(int fd, uint32_t *handles, uint32_t count,
uint64_t abs_timeout_nsec, uint32_t flags,
uint32_t *first_signaled);
void syncobj_reset(int fd, uint32_t *handles, uint32_t count);
void syncobj_signal(int fd, uint32_t *handles, uint32_t count);
#endif /* IGT_SYNCOBJ_H */
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