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/*
FUSE-ioctl: ioctl support for FUSE
Copyright (C) 2008 SUSE Linux Products GmbH
Copyright (C) 2008 Tejun Heo <teheo@suse.de>
This program can be distributed under the terms of the GNU GPL.
See the file COPYING.
*/
/** @file
* @tableofcontents
*
* fioc.h - FUSE-ioctl: ioctl support for FUSE
*
* \include fioc.h
*/
#include <sys/types.h>
#include <sys/uio.h>
#include <sys/ioctl.h>
enum {
FIOC_GET_SIZE = _IOR('E', 0, size_t),
FIOC_SET_SIZE = _IOW('E', 1, size_t),
/*
* The following two ioctls don't follow usual encoding rules
* and transfer variable amount of data.
*/
FIOC_READ = _IO('E', 2),
FIOC_WRITE = _IO('E', 3),
};
struct fioc_rw_arg {
off_t offset;
void *buf;
size_t size;
size_t prev_size; /* out param for previous total size */
size_t new_size; /* out param for new total size */
};
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