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1c79356b | 1 | /* |
5d5c5d0d A |
2 | * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. |
3 | * | |
2d21ac55 | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
1c79356b | 5 | * |
2d21ac55 A |
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. | |
8f6c56a5 | 14 | * |
2d21ac55 A |
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 | |
8f6c56a5 A |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
2d21ac55 A |
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. | |
8f6c56a5 | 25 | * |
2d21ac55 | 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
1c79356b A |
27 | */ |
28 | /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ | |
29 | /*- | |
30 | * Copyright (c) 1990, 1993 | |
31 | * The Regents of the University of California. All rights reserved. | |
32 | * (c) UNIX System Laboratories, Inc. | |
33 | * All or some portions of this file are derived from material licensed | |
34 | * to the University of California by American Telephone and Telegraph | |
35 | * Co. or Unix System Laboratories, Inc. and are reproduced herein with | |
36 | * the permission of UNIX System Laboratories, Inc. | |
37 | * | |
38 | * Redistribution and use in source and binary forms, with or without | |
39 | * modification, are permitted provided that the following conditions | |
40 | * are met: | |
41 | * 1. Redistributions of source code must retain the above copyright | |
42 | * notice, this list of conditions and the following disclaimer. | |
43 | * 2. Redistributions in binary form must reproduce the above copyright | |
44 | * notice, this list of conditions and the following disclaimer in the | |
45 | * documentation and/or other materials provided with the distribution. | |
46 | * 3. All advertising materials mentioning features or use of this software | |
47 | * must display the following acknowledgement: | |
48 | * This product includes software developed by the University of | |
49 | * California, Berkeley and its contributors. | |
50 | * 4. Neither the name of the University nor the names of its contributors | |
51 | * may be used to endorse or promote products derived from this software | |
52 | * without specific prior written permission. | |
53 | * | |
54 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
55 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
56 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
57 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
58 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
59 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
60 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
61 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
62 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
63 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
64 | * SUCH DAMAGE. | |
65 | * | |
66 | * @(#)conf.h 8.5 (Berkeley) 1/9/95 | |
67 | */ | |
68 | ||
69 | #ifndef _SYS_CONF_H_ | |
70 | #define _SYS_CONF_H_ 1 | |
71 | ||
9bccf70c | 72 | #include <sys/appleapiopts.h> |
55e303ae | 73 | #include <sys/cdefs.h> |
9bccf70c | 74 | |
1c79356b A |
75 | /* |
76 | * Definitions of device driver entry switches | |
77 | */ | |
78 | ||
79 | struct buf; | |
80 | struct proc; | |
81 | struct tty; | |
82 | struct uio; | |
83 | struct vnode; | |
84 | ||
91447636 A |
85 | /* |
86 | * Types for d_type. | |
87 | * These are returned by ioctl FIODTYPE | |
88 | */ | |
89 | #define D_TAPE 1 | |
90 | #define D_DISK 2 | |
91 | #define D_TTY 3 | |
92 | ||
93 | #ifdef KERNEL | |
1c79356b A |
94 | /* |
95 | * Device switch function types. | |
96 | */ | |
91447636 A |
97 | typedef int open_close_fcn_t(dev_t dev, int flags, int devtype, |
98 | struct proc *p); | |
99 | ||
100 | typedef struct tty *d_devtotty_t(dev_t dev); | |
101 | ||
102 | typedef void strategy_fcn_t(struct buf *bp); | |
103 | typedef int ioctl_fcn_t(dev_t dev, u_long cmd, caddr_t data, | |
104 | int fflag, struct proc *p); | |
105 | typedef int dump_fcn_t(void); /* parameters vary by architecture */ | |
106 | typedef int psize_fcn_t(dev_t dev); | |
107 | typedef int read_write_fcn_t(dev_t dev, struct uio *uio, int ioflag); | |
108 | typedef int stop_fcn_t(struct tty *tp, int rw); | |
109 | typedef int reset_fcn_t(int uban); | |
110 | typedef int select_fcn_t(dev_t dev, int which, void * wql, struct proc *p); | |
111 | typedef int mmap_fcn_t(void); | |
1c79356b A |
112 | |
113 | #define d_open_t open_close_fcn_t | |
114 | #define d_close_t open_close_fcn_t | |
115 | #define d_read_t read_write_fcn_t | |
116 | #define d_write_t read_write_fcn_t | |
117 | #define d_ioctl_t ioctl_fcn_t | |
55e303ae A |
118 | #define d_stop_t stop_fcn_t |
119 | #define d_reset_t reset_fcn_t | |
120 | #define d_select_t select_fcn_t | |
121 | #define d_mmap_t mmap_fcn_t | |
122 | #define d_strategy_t strategy_fcn_t | |
1c79356b A |
123 | |
124 | __BEGIN_DECLS | |
91447636 A |
125 | int enodev(void); |
126 | void enodev_strat(void); | |
1c79356b A |
127 | __END_DECLS |
128 | ||
129 | /* | |
130 | * Versions of enodev() pointer, cast to appropriate function type. For use | |
131 | * in empty devsw slots. | |
132 | */ | |
133 | #define eno_opcl ((open_close_fcn_t *)&enodev) | |
134 | #define eno_strat ((strategy_fcn_t *)&enodev_strat) | |
135 | #define eno_ioctl ((ioctl_fcn_t *)&enodev) | |
136 | #define eno_dump ((dump_fcn_t *)&enodev) | |
137 | #define eno_psize ((psize_fcn_t *)&enodev) | |
138 | #define eno_rdwrt ((read_write_fcn_t *)&enodev) | |
139 | #define eno_stop ((stop_fcn_t *)&enodev) | |
140 | #define eno_reset ((reset_fcn_t *)&enodev) | |
141 | #define eno_mmap ((mmap_fcn_t *)&enodev) | |
1c79356b A |
142 | #define eno_select ((select_fcn_t *)&enodev) |
143 | ||
b0d623f7 A |
144 | /* For source backward compatibility only! */ |
145 | #define eno_getc ((void *)&enodev) | |
146 | #define eno_putc ((void *)&enodev) | |
1c79356b A |
147 | |
148 | /* | |
149 | * Block device switch table | |
150 | */ | |
151 | struct bdevsw { | |
152 | open_close_fcn_t *d_open; | |
153 | open_close_fcn_t *d_close; | |
154 | strategy_fcn_t *d_strategy; | |
155 | ioctl_fcn_t *d_ioctl; | |
156 | dump_fcn_t *d_dump; | |
157 | psize_fcn_t *d_psize; | |
158 | int d_type; | |
159 | }; | |
160 | ||
1c79356b A |
161 | |
162 | d_devtotty_t nodevtotty; | |
163 | d_write_t nowrite; | |
164 | ||
91447636 | 165 | #ifdef KERNEL_PRIVATE |
1c79356b | 166 | extern struct bdevsw bdevsw[]; |
91447636 | 167 | #endif /* KERNEL_PRIVATE */ |
1c79356b A |
168 | |
169 | /* | |
170 | * Contents of empty bdevsw slot. | |
171 | */ | |
172 | #define NO_BDEVICE \ | |
173 | { eno_opcl, eno_opcl, eno_strat, eno_ioctl, \ | |
174 | eno_dump, eno_psize, 0 } | |
175 | ||
1c79356b A |
176 | |
177 | /* | |
178 | * Character device switch table | |
179 | */ | |
180 | struct cdevsw { | |
181 | open_close_fcn_t *d_open; | |
182 | open_close_fcn_t *d_close; | |
183 | read_write_fcn_t *d_read; | |
184 | read_write_fcn_t *d_write; | |
b0d623f7 A |
185 | ioctl_fcn_t *d_ioctl; |
186 | stop_fcn_t *d_stop; | |
187 | reset_fcn_t *d_reset; | |
1c79356b A |
188 | struct tty **d_ttys; |
189 | select_fcn_t *d_select; | |
b0d623f7 | 190 | mmap_fcn_t *d_mmap; |
1c79356b | 191 | strategy_fcn_t *d_strategy; |
b0d623f7 A |
192 | void *d_reserved_1; |
193 | void *d_reserved_2; | |
194 | int d_type; | |
1c79356b A |
195 | }; |
196 | ||
1c79356b | 197 | |
91447636 | 198 | #ifdef KERNEL_PRIVATE |
1c79356b | 199 | extern struct cdevsw cdevsw[]; |
91447636 | 200 | #endif /* KERNEL_PRIVATE */ |
1c79356b A |
201 | |
202 | /* | |
203 | * Contents of empty cdevsw slot. | |
204 | */ | |
205 | ||
206 | #define NO_CDEVICE \ | |
207 | { \ | |
208 | eno_opcl, eno_opcl, eno_rdwrt, eno_rdwrt, \ | |
209 | eno_ioctl, eno_stop, eno_reset, 0, \ | |
55e303ae | 210 | (select_fcn_t *)seltrue, eno_mmap, eno_strat, eno_getc, \ |
1c79356b A |
211 | eno_putc, 0 \ |
212 | } | |
91447636 | 213 | |
9bccf70c | 214 | #endif /* KERNEL */ |
91447636 A |
215 | |
216 | #ifdef KERNEL_PRIVATE | |
217 | typedef int l_open_t (dev_t dev, struct tty *tp); | |
218 | typedef int l_close_t(struct tty *tp, int flags); | |
219 | typedef int l_read_t (struct tty *tp, struct uio *uio, int flag); | |
220 | typedef int l_write_t(struct tty *tp, struct uio *uio, int flag); | |
221 | typedef int l_ioctl_t(struct tty *tp, u_long cmd, caddr_t data, int flag, | |
222 | struct proc *p); | |
223 | typedef int l_rint_t (int c, struct tty *tp); | |
224 | typedef void l_start_t(struct tty *tp); | |
225 | typedef int l_modem_t(struct tty *tp, int flag); | |
226 | ||
1c79356b A |
227 | /* |
228 | * Line discipline switch table | |
229 | */ | |
230 | struct linesw { | |
91447636 A |
231 | l_open_t *l_open; |
232 | l_close_t *l_close; | |
233 | l_read_t *l_read; | |
234 | l_write_t *l_write; | |
235 | l_ioctl_t *l_ioctl; | |
236 | l_rint_t *l_rint; | |
237 | l_start_t *l_start; | |
238 | l_modem_t *l_modem; | |
1c79356b A |
239 | }; |
240 | ||
9bccf70c | 241 | |
1c79356b A |
242 | extern struct linesw linesw[]; |
243 | extern int nlinesw; | |
244 | ||
91447636 A |
245 | int ldisc_register(int , struct linesw *); |
246 | void ldisc_deregister(int); | |
1c79356b | 247 | #define LDISC_LOAD -1 /* Loadable line discipline */ |
1c79356b | 248 | |
91447636 | 249 | #endif /* KERNEL_PRIVATE */ |
9bccf70c | 250 | |
91447636 | 251 | #ifdef BSD_KERNEL_PRIVATE |
1c79356b A |
252 | /* |
253 | * Swap device table | |
254 | */ | |
255 | struct swdevt { | |
256 | dev_t sw_dev; | |
257 | int sw_flags; | |
258 | int sw_nblks; | |
259 | struct vnode *sw_vp; | |
260 | }; | |
261 | #define SW_FREED 0x01 | |
262 | #define SW_SEQUENTIAL 0x02 | |
263 | #define sw_freed sw_flags /* XXX compat */ | |
264 | ||
1c79356b | 265 | extern struct swdevt swdevt[]; |
9bccf70c | 266 | |
91447636 | 267 | #endif /* BSD_KERNEL_PRIVATE */ |
9bccf70c | 268 | |
1c79356b A |
269 | |
270 | #ifdef KERNEL | |
271 | /* | |
272 | * ***_free finds free slot; | |
273 | * ***_add adds entries to the devsw table | |
274 | * If int arg is -1; finds a free slot | |
275 | * Returns the major number if successful | |
276 | * else -1 | |
277 | */ | |
278 | __BEGIN_DECLS | |
91447636 A |
279 | int bdevsw_isfree(int); |
280 | int bdevsw_add(int, struct bdevsw *); | |
281 | int bdevsw_remove(int, struct bdevsw *); | |
282 | int cdevsw_isfree(int); | |
283 | int cdevsw_add(int, struct cdevsw *); | |
284 | int cdevsw_add_with_bdev(int index, struct cdevsw * csw, int bdev); | |
285 | int cdevsw_remove(int, struct cdevsw *); | |
b0d623f7 | 286 | int isdisk(dev_t, int); |
1c79356b | 287 | __END_DECLS |
9bccf70c A |
288 | #endif /* KERNEL */ |
289 | ||
1c79356b | 290 | #endif /* _SYS_CONF_H_ */ |