/* * include/linux/sync_file.h * * 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_FILE_H #define _LINUX_SYNC_FILE_H #include <linux/types.h> #include <linux/kref.h> #include <linux/ktime.h> #include <linux/list.h> #include <linux/spinlock.h> #include <linux/dma-fence.h> #include <linux/dma-fence-array.h> /** * struct sync_file - sync file to export to the userspace * @file: file representing this fence * @kref: reference count on fence. * @name: name of sync_file. Useful for debugging * @sync_file_list: membership in global file list * @wq: wait queue for fence signaling * @fence: fence with the fences in the sync_file * @cb: fence callback information */ struct sync_file { struct file *file; struct kref kref; char name[32]; #ifdef [31mCONFIG_DEBUG_FS[0m struct list_head sync_file_list; #endif wait_queue_head_t wq; struct dma_fence *fence; struct dma_fence_cb cb; }; #define POLL_ENABLED DMA_FENCE_FLAG_USER_BITS struct sync_file *sync_file_create(struct dma_fence *fence); struct dma_fence *sync_file_get_fence(int fd); #endif /* _LINUX_SYNC_H */ |