#sccs	"@(#)uts/kern/sys:conf.h	1.4"

/*	Convergent Technologies - System V - May 1983	*/

#ifndef conf_h
#define conf_h

#include <sys/types.h>
#include <sys/iobuf.h>

/*
 * Declaration of block device switch. Each entry (row) is
 * the only link between the main unix code and the driver.
 * The initialization of the device switches is in the file conf.c.
 */
struct bdevsw {
	int	(*d_open)();
	int	(*d_close)();
	int	(*d_strategy)();
	int	(*d_print)();
};
extern struct bdevsw bdevsw[];

/*
 * Character device switch.
 */
struct cdevsw {
	int	(*d_open)();
	int	(*d_close)();
	int	(*d_read)();
	int	(*d_write)();
	int	(*d_ioctl)();
	struct tty *d_ttys;
#ifndef NOSTREAMS
	struct streamtab *d_str;
#endif
};
extern struct cdevsw cdevsw[];

#ifndef NOSTREAMS

#ifdef	NOLOAD_STREAMS

#define	FMNAMESZ	8

struct fmodsw {
	char	f_name[FMNAMESZ+1];
	struct  streamtab *f_str;
};
extern struct fmodsw fmodsw[];

extern int	fmodcnt;

#endif

#endif
extern int	bdevcnt;
extern int	cdevcnt;

/*
 * Line discipline switch.
 */
struct linesw {
	int	(*l_open)();
	int	(*l_close)();
	int	(*l_read)();
	int	(*l_write)();
	int	(*l_ioctl)();
	int	(*l_input)();
	int	(*l_output)();
	int	(*l_mdmint)();
};
extern struct linesw linesw[];

/*
 * Miscellaneous functions list list from loadable drivers
 */

#define	WPROC	0
#define	GET_TTY	1
#define	PUTCLOCK	2
#define	PUTCUNLOCK	3
#define	KBINIT	4
#define	MSINIT	5
#define	KSPECIAL	6
#define	WDOWAKE	8
#define	SCRCHK	9
#define	CCSET	10
#define	MSSET	11
#define	SKPLUNK	12
#define	KHIGH	13
#define	MSCOORD	14
#define	LUFONT	15
#define	LDMISCSLOTS	20		/* The size of the ldmisc table */

extern int (*ldmisc[])();

extern int	linecnt;
/*
 * Swap device information (from BSD 4.1)
 */
struct swdevt
{
	dev_t	sw_dev;
	int	sw_freed;
};
extern struct	swdevt swdevt[];
#endif