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/*
* Copyright 1997,1998 Julian Elischer. All rights reserved.
* julian@freebsd.org
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: devfsext.h,v 1.21 1998/07/13 06:45:16 bde Exp $
*/
#ifndef _SYS_DEVFSEXT_H_
#define _SYS_DEVFSEXT_H_
/*
* Make a device at a path, and get a cookie for it in return.
* Specify the type, the minor number and the devsw entry to use,
* and the initial default perms/ownerships.
*/
void *devfs_add_devswf __P((void *devsw, int minor, int chrblk, uid_t uid,
gid_t gid, int perms, char *fmt, ...))
__printflike(7, 8);
/*
* Make a link to a device you already made, and have the cookie for
* We get another cookie, but for now, it can be discarded, as
* at the moment there is nothing you can do with it that you couldn't do
* with the original cookie. ( XXX this might be something I should change )
*/
void *devfs_makelink __P((void *original, char *fmt, ...)) __printflike(2, 3);
/*
* Remove all instances of a device you have made. INCLUDING LINKS.
* I.e. either the cookie from the original device or the cookie
* from a link will have the effect of removing both entries.
* Removing with BOTH an original cookie and one from a link is
* likely to cause a panic.
*/
void devfs_remove_dev __P((void *devnmp));
/*
* Check if a device exists and is the type you need. Returns NULL or a
* cookie that can be used to try 'open' the device. XXX This is a bit
* of a duplication of devfs_lookup(). I might one day try merge them a bit.
* Used for mountroot under DEVFS. Path is relative to the base of the devfs.
*/
struct vnode *devfs_open_device __P((char *path, int devtype));
void devfs_close_device __P((struct vnode *vn));
dev_t devfs_vntodev __P((struct vnode *vn)); /* extract dev_t from devfs vn */
#define DV_CHR 0
#define DV_BLK 1
#define DV_DEV 2
/* XXX */
#define UID_ROOT 0
#define UID_BIN 3
#define UID_UUCP 66
/* XXX */
#define GID_WHEEL 0
#define GID_KMEM 2
#define GID_OPERATOR 5
#define GID_BIN 7
#define GID_GAMES 13
#define GID_DIALER 68
#endif /* !_SYS_DEVFSEXT_H_ */
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