/***********************************************************************
 * file: hpib_dcode.h
 * part#:
 * internal sequence#:
 *
 *	**************************************************************
 *	*     "(c)Copyright Hewlett-Packard Company, 1984.*  All     *
 *	*    rights are reserved.  Copying or other reproduction     *
 *	*    of this program except for archival purposes is         *
 *	*    prohibited without the prior written consent of         *
 *	*    Hewlett-Packard Company."				     *
 *	**************************************************************
 *
 *		Pisces Q-DOS project
 *		Andy Rood  Kernel project lead
 *		Bob Cline  Kernel project engineer
 *		-----------------------------------------------------
 *		initial					1/84   rcc
 */

/* bit fields for extracting information from the minor device number */

#define DISKUNIT 0x00000078	/* unit number of the disk */
#define HPIBADDR 0x00000380	/* hpib address of the disk */
#define SSVOLUME 0x00001C00	/* ss80 volume number field */
#define MINST	 0x00000007	/* mount instance number of the disk */


/* handy macros for extracting minor device info */

#define DECODEUNIT(x)	((x&DISKUNIT) >>3)
#define DECODEHPIB(x)	((x&HPIBADDR) >>7)
#define DECODEVOLUME(x) ((x&SSVOLUME) >>10)
#define DECODEMINST(x)	(x&MINST)

#define HPIB_XRATE 27		/* kbyte per sec rate of hpib driver */

#define HPIB_PPOLL_TIME 3000000	/* default maximum parallel poll time */