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