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- /*
- * 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
-