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25 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
27 * Copyright (c) 1990, 1993
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30 * All or some portions of this file are derived from material licensed
31 * to the University of California by American Telephone and Telegraph
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45 * This product includes software developed by the University of
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63 * @(#)conf.h 8.5 (Berkeley) 1/9/95
67 #define _SYS_CONF_H_ 1
69 #include <sys/appleapiopts.h>
70 #include <sys/cdefs.h>
73 * Definitions of device driver entry switches
82 #ifdef __APPLE_API_UNSTABLE
84 * Device switch function types.
86 typedef int open_close_fcn_t
__P((dev_t dev
, int flags
, int devtype
,
89 typedef struct tty
*d_devtotty_t
__P((dev_t dev
));
91 typedef void strategy_fcn_t
__P((struct buf
*bp
));
92 typedef int ioctl_fcn_t
__P((dev_t dev
, u_long cmd
, caddr_t data
,
93 int fflag
, struct proc
*p
));
94 typedef int dump_fcn_t (); /* parameters vary by architecture */
95 typedef int psize_fcn_t
__P((dev_t dev
));
96 typedef int read_write_fcn_t
__P((dev_t dev
, struct uio
*uio
, int ioflag
));
97 typedef int stop_fcn_t
__P((struct tty
*tp
, int rw
));
98 typedef int reset_fcn_t
__P((int uban
));
99 typedef int select_fcn_t
__P((dev_t dev
, int which
, void * wql
, struct proc
*p
));
100 typedef int mmap_fcn_t
__P(());
101 typedef int getc_fcn_t
__P((dev_t dev
));
102 typedef int putc_fcn_t
__P((dev_t dev
, char c
));
103 typedef int d_poll_t
__P((dev_t dev
, int events
, struct proc
*p
));
105 #define d_open_t open_close_fcn_t
106 #define d_close_t open_close_fcn_t
107 #define d_read_t read_write_fcn_t
108 #define d_write_t read_write_fcn_t
109 #define d_ioctl_t ioctl_fcn_t
110 #define d_stop_t stop_fcn_t
111 #define d_reset_t reset_fcn_t
112 #define d_select_t select_fcn_t
113 #define d_mmap_t mmap_fcn_t
114 #define d_strategy_t strategy_fcn_t
115 #define d_getc_t getc_fcn_t
116 #define d_putc_t putc_fcn_t
119 int enodev (); /* avoid actual prototype for multiple use */
124 * Versions of enodev() pointer, cast to appropriate function type. For use
125 * in empty devsw slots.
127 #define eno_opcl ((open_close_fcn_t *)&enodev)
128 #define eno_strat ((strategy_fcn_t *)&enodev_strat)
129 #define eno_ioctl ((ioctl_fcn_t *)&enodev)
130 #define eno_dump ((dump_fcn_t *)&enodev)
131 #define eno_psize ((psize_fcn_t *)&enodev)
132 #define eno_rdwrt ((read_write_fcn_t *)&enodev)
133 #define eno_stop ((stop_fcn_t *)&enodev)
134 #define eno_reset ((reset_fcn_t *)&enodev)
135 #define eno_mmap ((mmap_fcn_t *)&enodev)
136 #define eno_getc ((getc_fcn_t *)&enodev)
137 #define eno_putc ((putc_fcn_t *)&enodev)
138 #define eno_select ((select_fcn_t *)&enodev)
148 * Block device switch table
151 open_close_fcn_t
*d_open
;
152 open_close_fcn_t
*d_close
;
153 strategy_fcn_t
*d_strategy
;
154 ioctl_fcn_t
*d_ioctl
;
156 psize_fcn_t
*d_psize
;
162 d_devtotty_t nodevtotty
;
165 #ifdef __APPLE_API_PRIVATE
166 extern struct bdevsw bdevsw
[];
167 #endif /* __APPLE_API_PRIVATE */
170 * Contents of empty bdevsw slot.
173 { eno_opcl, eno_opcl, eno_strat, eno_ioctl, \
174 eno_dump, eno_psize, 0 }
179 * Character device switch table
182 open_close_fcn_t
*d_open
;
183 open_close_fcn_t
*d_close
;
184 read_write_fcn_t
*d_read
;
185 read_write_fcn_t
*d_write
;
186 ioctl_fcn_t
*d_ioctl
;
188 reset_fcn_t
*d_reset
;
190 select_fcn_t
*d_select
;
192 strategy_fcn_t
*d_strategy
;
200 #ifdef __APPLE_API_PRIVATE
201 extern struct cdevsw cdevsw
[];
202 #endif /* __APPLE_API_PRIVATE */
205 * Contents of empty cdevsw slot.
210 eno_opcl, eno_opcl, eno_rdwrt, eno_rdwrt, \
211 eno_ioctl, eno_stop, eno_reset, 0, \
212 (select_fcn_t *)seltrue, eno_mmap, eno_strat, eno_getc, \
218 * Line discipline switch table
221 int (*l_open
) __P((dev_t dev
, struct tty
*tp
));
222 int (*l_close
) __P((struct tty
*tp
, int flags
));
223 int (*l_read
) __P((struct tty
*tp
, struct uio
*uio
,
225 int (*l_write
) __P((struct tty
*tp
, struct uio
*uio
,
227 int (*l_ioctl
) __P((struct tty
*tp
, u_long cmd
, caddr_t data
,
228 int flag
, struct proc
*p
));
229 int (*l_rint
) __P((int c
, struct tty
*tp
));
230 int (*l_start
) __P((struct tty
*tp
));
231 int (*l_modem
) __P((struct tty
*tp
, int flag
));
236 #ifdef __APPLE_API_PRIVATE
237 extern struct linesw linesw
[];
239 #endif /* __APPLE_API_PRIVATE */
241 int ldisc_register
__P((int , struct linesw
*));
242 void ldisc_deregister
__P((int));
243 #define LDISC_LOAD -1 /* Loadable line discipline */
247 #ifdef __APPLE_API_OBSOLETE
257 #define SW_FREED 0x01
258 #define SW_SEQUENTIAL 0x02
259 #define sw_freed sw_flags /* XXX compat */
262 extern struct swdevt swdevt
[];
265 #endif /* __APPLE_API_OBSOLETE */
270 * ***_free finds free slot;
271 * ***_add adds entries to the devsw table
272 * If int arg is -1; finds a free slot
273 * Returns the major number if successful
277 int bdevsw_isfree
__P((int));
278 int bdevsw_add
__P((int, struct bdevsw
*));
279 int bdevsw_remove
__P((int, struct bdevsw
*));
280 int cdevsw_isfree
__P((int));
281 int cdevsw_add
__P((int, struct cdevsw
*));
282 int cdevsw_remove
__P((int, struct cdevsw
*));
286 #endif /* __APPLE_API_UNSTABLE */
288 #endif /* _SYS_CONF_H_ */