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/*-
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
* (c) UNIX System Laboratories, Inc.
* All or some portions of this file are derived from material licensed
* to the University of California by American Telephone and Telegraph
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
* the permission of UNIX System Laboratories, Inc.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS 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.
*
* @(#)conf.h 8.3 (Berkeley) 1/21/94
* $Id: conf.h,v 1.17 1995/09/10 21:36:12 bde Exp $
*/
#ifndef _SYS_CONF_H_
#define _SYS_CONF_H_
/*
* Definitions of device driver entry switches
*/
struct buf;
struct proc;
struct tty;
struct uio;
struct vnode;
typedef void d_strategy_t __P((struct buf *));
typedef int d_open_t __P((dev_t, int, int, struct proc *));
typedef int d_close_t __P((dev_t, int, int, struct proc *));
typedef int d_ioctl_t __P((dev_t, int, caddr_t, int, struct proc *));
typedef int d_dump_t __P((dev_t));
typedef int d_psize_t __P((dev_t));
typedef int d_read_t __P((dev_t, struct uio *, int));
typedef int d_write_t __P((dev_t, struct uio *, int));
typedef int d_rdwr_t __P((dev_t, struct uio *, int));
typedef void d_stop_t __P((struct tty *, int));
typedef int d_reset_t __P((int));
typedef int d_select_t __P((dev_t, int, struct proc *));
typedef int d_mmap_t __P((dev_t, int, int));
typedef struct tty * d_ttycv_t __P((dev_t));
struct bdevsw {
d_open_t *d_open;
d_close_t *d_close;
d_strategy_t *d_strategy;
d_ioctl_t *d_ioctl;
d_dump_t *d_dump;
d_psize_t *d_psize;
int d_flags;
};
#ifdef KERNEL
extern struct bdevsw bdevsw[];
#endif
struct cdevsw {
d_open_t *d_open;
d_close_t *d_close;
d_rdwr_t *d_read;
d_rdwr_t *d_write;
d_ioctl_t *d_ioctl;
d_stop_t *d_stop;
d_reset_t *d_reset;
d_ttycv_t *d_devtotty;
d_select_t *d_select;
d_mmap_t *d_mmap;
d_strategy_t *d_strategy;
};
#ifdef KERNEL
extern struct cdevsw cdevsw[];
/* symbolic sleep message strings */
extern char devopn[], devio[], devwait[], devin[], devout[];
extern char devioc[], devcls[];
#endif
struct linesw {
int (*l_open) __P((dev_t dev, struct tty *tp));
int (*l_close) __P((struct tty *tp, int flag));
int (*l_read) __P((struct tty *tp, struct uio *uio,
int flag));
int (*l_write) __P((struct tty *tp, struct uio *uio,
int flag));
int (*l_ioctl) __P((struct tty *tp, int cmd, caddr_t data,
int flag, struct proc *p));
int (*l_rint) __P((int c, struct tty *tp));
int (*l_start) __P((struct tty *tp));
int (*l_modem) __P((struct tty *tp, int flag));
};
#ifdef KERNEL
extern struct linesw linesw[];
extern int nlinesw;
int ldisc_register __P((int , struct linesw *));
void ldisc_deregister __P((int));
#define LDISC_LOAD -1 /* Loadable line discipline */
#endif
struct swdevt {
dev_t sw_dev;
int sw_flags;
int sw_nblks;
struct vnode *sw_vp;
};
#define SW_FREED 0x01
#define SW_SEQUENTIAL 0x02
#define sw_freed sw_flags /* XXX compat */
#ifdef KERNEL
d_reset_t noreset;
d_mmap_t nommap;
d_strategy_t nostrategy;
d_open_t nullopen;
d_close_t nullclose;
d_stop_t nullstop;
d_reset_t nullreset;
/*
* XXX d_strategy seems to be unused for cdevs and called without checking
* for it being non-NULL for bdevs.
*/
#define nullstrategy ((d_strategy *)NULL)
dev_t chrtoblk __P((dev_t dev));
int getmajorbyname __P((const char *name));
int isdisk __P((dev_t dev, int type));
int iskmemdev __P((dev_t dev));
int iszerodev __P((dev_t dev));
int register_cdev __P((const char *name, const struct cdevsw *cdp));
int setdumpdev __P((dev_t));
int unregister_cdev __P((const char *name, const struct cdevsw *cdp));
#ifdef JREMOD
int cdevsw_add __P((dev_t *descrip,struct cdevsw *new,struct cdevsw *old));
int bdevsw_add __P((dev_t *descrip,struct bdevsw *new,struct bdevsw *old));
#endif
#endif
#endif /* !_SYS_CONF_H_ */
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