| /* |
| * 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 |
