diff options
Diffstat (limited to 'tools/pkg/0/mlibc/linux-headers/linux/sync_file.h')
| -rw-r--r-- | tools/pkg/0/mlibc/linux-headers/linux/sync_file.h | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/tools/pkg/0/mlibc/linux-headers/linux/sync_file.h b/tools/pkg/0/mlibc/linux-headers/linux/sync_file.h deleted file mode 100644 index 7eee4a0..0000000 --- a/tools/pkg/0/mlibc/linux-headers/linux/sync_file.h +++ /dev/null @@ -1,113 +0,0 @@ -/* SPDX-License-Identifier: GPL-1.0+ WITH Linux-syscall-note */ -/* - * 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 _LINUX_SYNC_H -#define _LINUX_SYNC_H - -#include <linux/ioctl.h> -#include <linux/types.h> - -/** - * struct sync_merge_data - SYNC_IOC_MERGE: merge two fences - * @name: name of new fence - * @fd2: file descriptor of second fence - * @fence: returns the fd of the new fence to userspace - * @flags: merge_data flags - * @pad: padding for 64-bit alignment, should always be zero - * - * 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 - */ -struct sync_merge_data { - char name[32]; - __s32 fd2; - __s32 fence; - __u32 flags; - __u32 pad; -}; - -/** - * 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 - * @flags: fence_info flags - * @timestamp_ns: timestamp of status change in nanoseconds - */ -struct sync_fence_info { - char obj_name[32]; - char driver_name[32]; - __s32 status; - __u32 flags; - __u64 timestamp_ns; -}; - -/** - * struct sync_file_info - SYNC_IOC_FILE_INFO: get detailed information on a sync_file - * @name: name of fence - * @status: status of fence. 1: signaled 0:active <0:error - * @flags: sync_file_info flags - * @num_fences: number of fences in the sync_file - * @pad: padding for 64-bit alignment, should always be zero - * @sync_fence_info: pointer to array of struct &sync_fence_info with all - * fences in the sync_file - * - * Takes a struct sync_file_info. If num_fences is 0, the field is updated - * with the actual number of fences. If num_fences is > 0, the system will - * use the pointer provided on sync_fence_info to return up to num_fences of - * struct sync_fence_info, with detailed fence information. - */ -struct sync_file_info { - char name[32]; - __s32 status; - __u32 flags; - __u32 num_fences; - __u32 pad; - - __u64 sync_fence_info; -}; - -/** - * struct sync_set_deadline - SYNC_IOC_SET_DEADLINE - set a deadline hint on a fence - * @deadline_ns: absolute time of the deadline - * @pad: must be zero - * - * Allows userspace to set a deadline on a fence, see &dma_fence_set_deadline - * - * The timebase for the deadline is CLOCK_MONOTONIC (same as vblank). For - * example - * - * clock_gettime(CLOCK_MONOTONIC, &t); - * deadline_ns = (t.tv_sec * 1000000000L) + t.tv_nsec + ns_until_deadline - */ -struct sync_set_deadline { - __u64 deadline_ns; - /* Not strictly needed for alignment but gives some possibility - * for future extension: - */ - __u64 pad; -}; - -#define SYNC_IOC_MAGIC '>' - -/* - * Opcodes 0, 1 and 2 were burned during a API change to avoid users of the - * old API to get weird errors when trying to handling sync_files. The API - * change happened during the de-stage of the Sync Framework when there was - * no upstream users available. - */ - -#define SYNC_IOC_MERGE _IOWR(SYNC_IOC_MAGIC, 3, struct sync_merge_data) -#define SYNC_IOC_FILE_INFO _IOWR(SYNC_IOC_MAGIC, 4, struct sync_file_info) -#define SYNC_IOC_SET_DEADLINE _IOW(SYNC_IOC_MAGIC, 5, struct sync_set_deadline) - -#endif /* _LINUX_SYNC_H */ |