/********************************
 * pisces.h - Pisces specific user level defines go here.
 * 
 *  Last rev:  5-17-83 JRA
 *
 *******************************/

#define MAXMOUNT 7	/* maximum number of mount instances */

/*
 * ioctl defines for discs
 */

#define DISC_SIZE (('D'<<8)|0)	/* get disc size	*/

#define DISC_FORMAT (('D'<<8)|1)	/* format a disc */

#define DSCVOL	(('D'<<8)|2)	/* get disc volume	*/

#define DISC_TYPE (('D'<<8)|3)  /* is the media non-removable? */
#define DISC_VOLUME (('D'<<8)|4) /* get disc volume and time */
#define VALIDATE_KEY (('D'<<8)|5)	/* validate a disc key */
#define DISC_DESCRIBE (('D'<<8)|6) /* get ss80 disc description */

/*
 * ioctl defines for the realtime driver
 */
#define WAIT_DISC	(('R'<<8)|0)	/* wait for a disc to be
					   changed */
#define WHICH_DIR	(('R'<<8)|1)	/* what is the directory the
					   new disc mounted under */
#define	DISABLE_MOUNT	(('R'<<8)|2)	/* disable auto mount */
#define	ENABLE_MOUNT	(('R'<<8)|3)	/* enable auto mount */
#define SET_DISC	(('R'<<8)|4)	/* set dir name of last mounted
					   disc */
#define DISC_STATUS	(('R'<<8)|5)	/* get status of a disc */
#define DEV_STATUS	(('R'<<8)|6)	/* get status of a disc */
#define KILL_ZOMBIES	(('R'<<8)|7)	/* kill any zombie processes */
#define MOUNT_DISC	(('R'<<8)|8)	/* mount a disc, but don't report */
#define UNMOUNT_DISC	(('R'<<8)|9)	/* unmount a disc, but don't report */


/*
 * disc_status ioctl commands 
 *   implemented by the /dev/realtime driver
 *   The DISC_STATUS ioctl command takes as its 
 * argument the name of a block special file in 
 * /dev and returns the disc's status, volume name,
 * and directory name onto which the disc is mounted.
 *   The DEV_STATUS is similar to the DISC_STATUS 
 * ioctl, except that it takes the dev number as
 * its argument.
 */

/* disc_status defines */
#define READY			0
#define NO_DISK_IN_DRIVE	1
#define MOUNT_FAILED		2
#define BAD_DEVICE		3
#define DISABLED		4
#define OTHER_ERROR		5
#define UNMOUNT_FAILED		6

/*
 * structure for DISC_STATUS ioctl.
 * The name of the disc is passed in the dev_name parameter.
 * The realtime driver fills in the disc_status, dir_name, and
 * vol_name for the particular disc device.
 */
struct disc_stat { 
	int disc_status; /* status of disc */
	int signal_browser;	/* tell browser about change */
	char dev_name[32]; /* name of disc device */
	char dir_name[32]; /* dir for the disc */
	char vol_name[8];  /* volume of the disc */
};

/*
 * structure for DEV_STATUS ioctl.
 * The dev number of the disc is passed in the dev parameter.
 * The realtime driver fills in the disc_status, dir_name, and
 * vol_name for the particular disc device.
 */
struct dev_stat { 
	int disc_status; /* status of disc */
	int signal_browser;	/* tell browser about change */
	long dev;	   /* dev number of block driver */	
	char dir_name[32]; /* dir for the disc */
	char vol_name[8];  /* volume of the disc */
};

/*
 * structure for the WAIT_DISC command.
 *  This structure is used by .daemon when it issues the
 * WAIT_DISC command to the realtime driver.
 * When a driver or application program wakes up the realtime
 * driver, the information in the structure will be
 * filled out and returned to the .daemon program.
 * The .daemon program will then interrogate the disc,
 * and return the disc's status in a structure of the same type
 * when it again issues a WAIT_DISC command.
 */

/*
 * how the disc is specified in the wait_disc structure 
 */
#define WD_NAME 0	/* specified by dev number */
#define WD_DEV 1	/* specified by dev name */
#define WD_MOUNT 128	/* attempt to mount the disc */
#define WD_UNMOUNT 129	/* attempt to unmount the disc */

struct wait_disc { 
	int type;	   /* type of request */    				
	int disc_status;	/* status of disc */
	int signal_browser;	/* tell browser about change */
	union {
		long dev;	   /* dev number of block driver */	
		char dev_name[32]; /* name of disc device */
	} d;
	char dir_name[32]; /* dir for the disc */
	char vol_name[8];  /* volume of the disc */
};

/*
 * disc_vol structure
 *  This structure is used with the DISC_VOLUME 
 * ioctl command to disc drivers.  The structure is
 * used by an application to obtain a disc's volume
 * and time of creation.
 */
struct disc_vol {
	time_t	ctime;
	char vol_label[14];
};