/*
 * videobuf2-memops.h - generic memory handling routines for videobuf2
 *
 * Copyright (C) 2010 Samsung Electronics
 *
 * Author: Pawel Osciak <pawel@osciak.com>
 *	   Marek Szyprowski <m.szyprowski@samsung.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation.
 */

#ifndef _MEDIA_VIDEOBUF2_MEMOPS_H
#define _MEDIA_VIDEOBUF2_MEMOPS_H

#include <media/videobuf2-v4l2.h>
#include <linux/mm.h>

/**
 * struct vb2_vmarea_handler - common vma refcount tracking handler
 *
 * @refcount:	pointer to refcount entry in the buffer
 * @put:	callback to function that decreases buffer refcount
 * @arg:	argument for @put callback
 */
struct vb2_vmarea_handler {
	atomic_t		*refcount;
	void			(*put)(void *arg);
	void			*arg;
};

extern const struct vm_operations_struct vb2_common_vm_ops;

struct frame_vector *vb2_create_framevec(unsigned long start,
					 unsigned long length,
					 bool write);
void vb2_destroy_framevec(struct frame_vector *vec);

#endif
alue='nds-private-remove'>nds-private-remove</option>
<option value='packet-loop-back'>packet-loop-back</option>
<option value='packet-rx-pump-back'>packet-rx-pump-back</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
<table class='tabs'><tr><td>
<a href='/cgit.cgi/linux/net-next.git/'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?id=b2c11e4b9536ebab6b39929e1fe15f57039ab445'>refs</a><a href='/cgit.cgi/linux/net-next.git/log/include'>log</a><a class='active' href='/cgit.cgi/linux/net-next.git/tree/include?id=b2c11e4b9536ebab6b39929e1fe15f57039ab445'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/include?id=b2c11e4b9536ebab6b39929e1fe15f57039ab445'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/include?id=b2c11e4b9536ebab6b39929e1fe15f57039ab445'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/include'>
<input type='hidden' name='id' value='b2c11e4b9536ebab6b39929e1fe15f57039ab445'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/tree/?id=b2c11e4b9536ebab6b39929e1fe15f57039ab445'>root</a>/<a href='/cgit.cgi/linux/net-next.git/tree/include?id=b2c11e4b9536ebab6b39929e1fe15f57039ab445'>include</a></div><div class='content'><table summary='tree listing' class='list'>
<tr class='nohover'><th class='left'>Mode</th><th class='left'>Name</th><th class='right'>Size</th><th/></tr>