diff options
Diffstat (limited to 'drivers/staging/android/uapi/sync.h')
-rw-r--r-- | drivers/staging/android/uapi/sync.h | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/drivers/staging/android/uapi/sync.h b/drivers/staging/android/uapi/sync.h deleted file mode 100644 index a0cf357e598d..000000000000 --- a/drivers/staging/android/uapi/sync.h +++ /dev/null @@ -1,84 +0,0 @@ -/* - * Copyright (C) 2012 Google, Inc. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - */ - -#ifndef _UAPI_LINUX_SYNC_H -#define _UAPI_LINUX_SYNC_H - -#include <linux/ioctl.h> -#include <linux/types.h> - -/** - * struct sync_merge_data - data passed to merge ioctl - * @fd2: file descriptor of second fence - * @name: name of new fence - * @fence: returns the fd of the new fence to userspace - */ -struct sync_merge_data { - __s32 fd2; /* fd of second fence */ - char name[32]; /* name of new fence */ - __s32 fence; /* fd on newly created fence */ -}; - -/** - * struct sync_fence_info - detailed fence information - * @obj_name: name of parent sync_timeline - * @driver_name: name of driver implementing the parent - * @status: status of the fence 0:active 1:signaled <0:error - * @timestamp_ns: timestamp of status change in nanoseconds - */ -struct sync_fence_info { - char obj_name[32]; - char driver_name[32]; - __s32 status; - __u64 timestamp_ns; -}; - -/** - * struct sync_file_info - data returned from fence info ioctl - * @len: ioctl caller writes the size of the buffer its passing in. - * ioctl returns length of sync_file_info returned to - * userspace including pt_info. - * @name: name of fence - * @status: status of fence. 1: signaled 0:active <0:error - * @sync_fence_info: array of sync_fence_info for every fence in the sync_file - */ -struct sync_file_info { - __u32 len; - char name[32]; - __s32 status; - - __u8 sync_fence_info[0]; -}; - -#define SYNC_IOC_MAGIC '>' - -/** - * DOC: SYNC_IOC_MERGE - merge two fences - * - * Takes a struct sync_merge_data. Creates a new fence containing copies of - * the sync_pts in both the calling fd and sync_merge_data.fd2. Returns the - * new fence's fd in sync_merge_data.fence - */ -#define SYNC_IOC_MERGE _IOWR(SYNC_IOC_MAGIC, 1, struct sync_merge_data) - -/** - * DOC: SYNC_IOC_FENCE_INFO - get detailed information on a fence - * - * Takes a struct sync_file_info_data with extra space allocated for pt_info. - * Caller should write the size of the buffer into len. On return, len is - * updated to reflect the total size of the sync_file_info_data including - * pt_info. - * - * pt_info is a buffer containing sync_pt_infos for every sync_pt in the fence. - * To iterate over the sync_pt_infos, use the sync_pt_info.len field. - */ -#define SYNC_IOC_FENCE_INFO _IOWR(SYNC_IOC_MAGIC, 2, struct sync_file_info) - -#endif /* _UAPI_LINUX_SYNC_H */ |