1 /* 2 * Copyright © 2017 Intel Corporation 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 */ 23 24 #ifndef IGT_SYNCOBJ_H 25 #define IGT_SYNCOBJ_H 26 27 #include <stdint.h> 28 #include <stdbool.h> 29 #include <drm.h> 30 31 #define LOCAL_SYNCOBJ_CREATE_SIGNALED (1 << 0) 32 33 #define LOCAL_SYNCOBJ_WAIT_FLAGS_WAIT_ALL (1 << 0) 34 #define LOCAL_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT (1 << 1) 35 struct local_syncobj_wait { 36 __u64 handles; 37 /* absolute timeout */ 38 __s64 timeout_nsec; 39 __u32 count_handles; 40 __u32 flags; 41 __u32 first_signaled; /* only valid when not waiting all */ 42 __u32 pad; 43 }; 44 45 struct local_syncobj_array { 46 __u64 handles; 47 __u32 count_handles; 48 __u32 pad; 49 }; 50 51 #define LOCAL_IOCTL_SYNCOBJ_WAIT DRM_IOWR(0xC3, struct local_syncobj_wait) 52 #define LOCAL_IOCTL_SYNCOBJ_RESET DRM_IOWR(0xC4, struct local_syncobj_array) 53 #define LOCAL_IOCTL_SYNCOBJ_SIGNAL DRM_IOWR(0xC5, struct local_syncobj_array) 54 55 uint32_t syncobj_create(int fd, uint32_t flags); 56 void syncobj_destroy(int fd, uint32_t handle); 57 int __syncobj_handle_to_fd(int fd, struct drm_syncobj_handle *args); 58 int __syncobj_fd_to_handle(int fd, struct drm_syncobj_handle *args); 59 int syncobj_handle_to_fd(int fd, uint32_t handle, uint32_t flags); 60 uint32_t syncobj_fd_to_handle(int fd, int syncobj_fd, uint32_t flags); 61 void syncobj_import_sync_file(int fd, uint32_t handle, int sync_file); 62 int __syncobj_wait(int fd, struct local_syncobj_wait *args); 63 int syncobj_wait_err(int fd, uint32_t *handles, uint32_t count, 64 uint64_t abs_timeout_nsec, uint32_t flags); 65 bool syncobj_wait(int fd, uint32_t *handles, uint32_t count, 66 uint64_t abs_timeout_nsec, uint32_t flags, 67 uint32_t *first_signaled); 68 void syncobj_reset(int fd, uint32_t *handles, uint32_t count); 69 void syncobj_signal(int fd, uint32_t *handles, uint32_t count); 70 71 #endif /* IGT_SYNCOBJ_H */ 72