/* ----------------------------------------------------------------------- *

 *

 *  dev-ioctl-lib.h - autofs device control.

 *

 *   Copyright 2008 Red Hat, Inc. All rights reserved.

 *   Copyright 2008 Ian Kent <raven@themaw.net>

 *

 *   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, Inc., 675 Mass Ave, Cambridge MA 02139,

 *   USA; either version 2 of the License, or (at your option) any later

 *   version.

 *

 *   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 AUTOFS_DEV_IOCTL_LIB_H

#define AUTOFS_DEV_IOCTL_LIB_H

#include <linux/auto_dev-ioctl.h>

#define CONTROL_DEVICE  "/dev/autofs"

#define DEV_IOCTL_IS_MOUNTED	0x0001

#define DEV_IOCTL_IS_AUTOFS	0x0002

#define DEV_IOCTL_IS_OTHER	0x0004

struct ioctl_ctl {

	int devfd;

	struct ioctl_ops *ops;

};

struct ioctl_ops {

	int (*version)(unsigned int, int, struct autofs_dev_ioctl *);

	int (*protover)(unsigned int, int, unsigned int *);

	int (*protosubver)(unsigned int, int, unsigned int *);

	int (*mount_device)(unsigned int, const char *, unsigned int, dev_t *);

	int (*open)(unsigned int, int *, dev_t, const char *);

	int (*close)(unsigned int, int);

	int (*send_ready)(unsigned int, int, unsigned int);

	int (*send_fail)(unsigned int, int, unsigned int, int);

	int (*setpipefd)(unsigned int, int, int);

	int (*catatonic)(unsigned int, int);

	int (*timeout)(unsigned int, int, time_t);

	int (*requester)(unsigned int, int, const char *, uid_t *, gid_t *);

	int (*expire)(unsigned int, int, const char *, unsigned int);

	int (*askumount)(unsigned int, int, unsigned int *);

	int (*ismountpoint)(unsigned int, int, const char *, unsigned int *);

};

void init_ioctl_ctl(void);

void close_ioctl_ctl(void);

struct ioctl_ops *get_ioctl_ops(void);

struct autofs_dev_ioctl *alloc_ioctl_ctl_open(const char *, unsigned int);

void free_ioctl_ctl_open(struct autofs_dev_ioctl *);

#endif