cregit-Linux how code gets into the kernel

Release 4.16 include/linux/sync_file.h

Directory: include/linux
/*
 * 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/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
 * @sync_file_list:     membership in global file list
 * @wq:                 wait queue for fence signaling
 * @flags:              flags for the sync_file
 * @fence:              fence with the fences in the sync_file
 * @cb:                 fence callback information
 *
 * flags:
 * POLL_ENABLED: whether userspace is currently poll()'ing or not
 */

struct sync_file {
	
struct file		*file;
	/**
         * @user_name:
         *
         * Name of the sync file provided by userspace, for merged fences.
         * Otherwise generated through driver callbacks (in which case the
         * entire array is 0).
         */
	
char			user_name[32];
#ifdef CONFIG_DEBUG_FS
	
struct list_head	sync_file_list;
#endif

	
wait_queue_head_t	wq;
	
unsigned long		flags;

	
struct dma_fence	*fence;
	
struct dma_fence_cb cb;
};


#define POLL_ENABLED 0

struct sync_file *sync_file_create(struct dma_fence *fence);
struct dma_fence *sync_file_get_fence(int fd);
char *sync_file_get_name(struct sync_file *sync_file, char *buf, int len);

#endif /* _LINUX_SYNC_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Gustavo Fernando Padovan8273.21%562.50%
Chris Wilson3026.79%337.50%
Total112100.00%8100.00%
Directory: include/linux
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