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 * [email protected] 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, ...) __printflike(7, 8); 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, ...) __printflike(6, 7); 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, ...) __printflike(2, 3); 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 #define UID_LOGD 272 144 145 /* XXX */ 146 #define GID_WHEEL 0 147 #define GID_KMEM 2 148 #define GID_TTY 4 149 #define GID_OPERATOR 5 150 #define GID_BIN 7 151 #define GID_GAMES 13 152 #define GID_DIALER 68 153 #define GID_WINDOWSERVER 88 154 #define GID_LOGD 272 155 #endif /* __APPLE_API_PRIVATE */ 156 157 #endif /* !_MISCFS_DEVFS_DEVFS_H_ */ 158