/* *	sd.h Copyright (C) 1992 Drew Eckhardt  *	SCSI disk driver header file by *		Drew Eckhardt  * *	<drew@colorado.edu> * *       Modified by Eric Youngdale eric@tantalus.nrl.navy.mil to *       add scatter-gather, multiple outstanding request, and other *       enhancements. */#ifndef _SD_H	#define _SD_H/*	$Header: /usr/src/linux/kernel/blk_drv/scsi/RCS/sd.h,v 1.1 1992/07/24 06:27:38 root Exp root $*/#ifndef _SCSI_H#include "scsi.h"#endif#ifndef _GENDISK_H#include <linux/genhd.h>#endif/*	This is an arbitrary constant, and may be changed to whatever	suits your purposes.  Note that smaller will get you a few bytes	more in kernel space if that is your thing.*/extern struct hd_struct * sd;typedef struct {		unsigned capacity;		/* size in blocks */		unsigned sector_size;		/* size in bytes */		Scsi_Device  *device;				unsigned char sector_bit_size;	/* sector_size = 2 to the  bit size power */		unsigned char sector_bit_shift;	/* power of 2 sectors per FS block */		unsigned ten:1;			/* support ten byte read / write */		unsigned remap:1;		/* support remapping  */		} Scsi_Disk;	extern Scsi_Disk * rscsi_disks;#endif