diff options
Diffstat (limited to 'lib/igt_syncobj.h')
-rw-r--r-- | lib/igt_syncobj.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/lib/igt_syncobj.h b/lib/igt_syncobj.h new file mode 100644 index 00000000..44d1378d --- /dev/null +++ b/lib/igt_syncobj.h @@ -0,0 +1,71 @@ +/* + * 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 */ |