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	1	/*
	2	* Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
	5	*
	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
	14	*
	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
	24	* limitations under the License.
	25	*
	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
	27	*/
	28	/*
	29	* Copyright 1997,1998 Julian Elischer. All rights reserved.
	30	* julian@freebsd.org
	31	*
	32	* Redistribution and use in source and binary forms, with or without
	33	* modification, are permitted provided that the following conditions are
	34	* met:
	35	* 1. Redistributions of source code must retain the above copyright
	36	* notice, this list of conditions and the following disclaimer.
	37	* 2. Redistributions in binary form must reproduce the above copyright notice,
	38	* this list of conditions and the following disclaimer in the documentation
	39	* and/or other materials provided with the distribution.
	40	*
	41	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER ``AS IS'' AND ANY EXPRESS
	42	* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
	43	* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
	44	* DISCLAIMED. IN NO EVENT SHALL THE HOLDER OR CONTRIBUTORS BE LIABLE FOR
	45	* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	46	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
	47	* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
	48	* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	49	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	50	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	51	* SUCH DAMAGE.
	52	*
	53	* miscfs/devfs/devfs.h
	54	*/
	55
	56	#ifndef _MISCFS_DEVFS_DEVFS_H_
	57	#define _MISCFS_DEVFS_DEVFS_H_
	58
	59	#include <sys/appleapiopts.h>
	60	#include <sys/cdefs.h>
	61
	62	#define DEVFS_CHAR 0
	63	#define DEVFS_BLOCK 1
	64
	65	/*
	66	* Argument to clone callback after dev
	67	*/
	68	#define DEVFS_CLONE_ALLOC 1 /* Allocate minor number slot */
	69	#define DEVFS_CLONE_FREE 0 /* Free minor number slot */
	70
	71	__BEGIN_DECLS
	72
	73	/*
	74	* Function: devfs_make_node_clone
	75	*
	76	* Purpose
	77	* Create a device node with the given pathname in the devfs namespace;
	78	* before returning a dev_t value for an open instance, the dev_t has
	79	* it's minor number updated by calling the supplied clone function on
	80	* the supplied dev..
	81	*
	82	* Parameters:
	83	* dev - the dev_t value to associate
	84	* chrblk - block or character device (DEVFS_CHAR or DEVFS_BLOCK)
	85	* uid, gid - ownership
	86	* perms - permissions
	87	* clone - minor number cloning function
	88	* fmt, ... - print format string and args to format the path name
	89	* Returns:
	90	* A handle to a device node if successful, NULL otherwise.
	91	*/
	92	void * devfs_make_node_clone(dev_t dev, int chrblk, uid_t uid, gid_t gid,
	93	int perms, int (*clone)(dev_t dev, int action),
	94	const char *fmt, ...);
	95
	96	/*
	97	* Function: devfs_make_node
	98	*
	99	* Purpose
	100	* Create a device node with the given pathname in the devfs namespace.
	101	*
	102	* Parameters:
	103	* dev - the dev_t value to associate
	104	* chrblk - block or character device (DEVFS_CHAR or DEVFS_BLOCK)
	105	* uid, gid - ownership
	106	* perms - permissions
	107	* fmt, ... - print format string and args to format the path name
	108	* Returns:
	109	* A handle to a device node if successful, NULL otherwise.
	110	*/
	111	void * devfs_make_node(dev_t dev, int chrblk, uid_t uid, gid_t gid,
	112	int perms, const char *fmt, ...);
	113
	114	#ifdef BSD_KERNEL_PRIVATE
	115	/*
	116	* Function: devfs_make_link
	117	*
	118	* Purpose:
	119	* Create a link to a previously created device node.
	120	*
	121	* Returns:
	122	* 0 if successful, -1 if failed
	123	*/
	124	int devfs_make_link(void * handle, char *fmt, ...);
	125	#endif /* BSD_KERNEL_PRIVATE */
	126
	127	/*
	128	* Function: devfs_remove
	129	*
	130	* Purpose:
	131	* Remove the device node returned by devfs_make_node() along with
	132	* any links created with devfs_make_link().
	133	*/
	134	void devfs_remove(void * handle);
	135
	136	__END_DECLS
	137
	138	#ifdef __APPLE_API_PRIVATE
	139	/* XXX */
	140	#define UID_ROOT 0
	141	#define UID_BIN 3
	142	#define UID_UUCP 66
	143
	144	/* XXX */
	145	#define GID_WHEEL 0
	146	#define GID_KMEM 2
	147	#define GID_TTY 4
	148	#define GID_OPERATOR 5
	149	#define GID_BIN 7
	150	#define GID_GAMES 13
	151	#define GID_DIALER 68
	152	#define GID_WINDOWSERVER 88
	153	#endif /* __APPLE_API_PRIVATE */
	154
	155	#endif /* !_MISCFS_DEVFS_DEVFS_H_ */