/***********************************************************************
 * file: am_dc.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					10/83   rcc
 *		removed mount strat			 7/84	rcc
 */
/**********************************************************************
 * am_dc.h
 *	This header file contains all the global definition stuff
 *	needed by the am_dc.c disk driver.  All nifty, handy data
 *	structures and constants are here.
 *********************************************************************/


#define AM_RETRY 3		/* total error retries on failed reads */
				/* and writes */
#define AM_SECTSIZE 256		/* sectorsize of the disks */
#define AM_SECTPERBLK (BSIZE/AM_SECTSIZE) /* sectors per HP-UX block */
#define AM_SECTSHIFT 8		/* byte address to sector number shift */
#define AM_TOTSPARES 4		/* max spared sectors for format operation */
#define AM_ON 1			/* handy on/off indicators */
#define AM_OFF 0
#define AM_NUMDEVS 6		/* number of device types handled by this
				   driver */



/*
 * handy structure to package up the important information of a disk
 * transfer
 */

struct am_xfer {
	unsigned char 	haddr,
	    		unit;
	unsigned char head;
	unsigned short cylinder;
	unsigned char sector;
	unsigned int length;
	unsigned char am_status[4];
	int retry;
	int error;
};

/*
 * structure and information concerning the various amigo disks to
 * be handled by this driver
 */

struct am_infodisks
{
	unsigned long size;
	int sectspercyl;
	int sectspertrk;
	int headspercyl;
	unsigned short type;
	int interleave;
};

struct am_infodisks am_diskinfo[AM_NUMDEVS] =
	{
		1056,   32,   16,   2,   0404,   5,	/* chinook */
		1056,   32,   16,   2,   0404,   9,	/* sony */
		4500,   60,   30,   2,   0201,   11,    /* 8" floppy disk */
	       18848,  124,   31,   4,   0406,   1,     /* 5" hard disk   */
	       37720,  124,   31,   4,   0412,   1,   	/* Roadrunner II  */
	       56730,  186,   31,   6,   0417,   1,     /* 9133/4XV */
	};