NetBSD/sys/dev/scsipi/scsipi_disk.h

90 lines
2.7 KiB
C

/* $NetBSD: scsipi_disk.h,v 1.8 2003/01/06 21:02:18 matt Exp $ */
/*
* SCSI and SCSI-like interfaces description
*/
/*
* Some lines of this file come from a file of the name "scsi.h"
* distributed by OSF as part of mach2.5,
* so the following disclaimer has been kept.
*
* Copyright 1990 by Open Software Foundation,
* Grenoble, FRANCE
*
* All Rights Reserved
*
* Permission to use, copy, modify, and distribute this software and
* its documentation for any purpose and without fee is hereby granted,
* provided that the above copyright notice appears in all copies and
* that both the copyright notice and this permission notice appear in
* supporting documentation, and that the name of OSF or Open Software
* Foundation not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission.
*
* OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
* IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
* NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* Largely written by Julian Elischer (julian@tfs.com)
* for TRW Financial Systems.
*
* TRW Financial Systems, in accordance with their agreement with Carnegie
* Mellon University, makes this software available to CMU to distribute
* or use in any manner that they see fit as long as this message is kept with
* the software. For this reason TFS also grants any other persons or
* organisations permission to use or modify this software.
*
* TFS supplies this software to be publicly redistributed
* on the understanding that TFS is not responsible for the correct
* functioning of this software in any circumstances.
*
* Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
*/
#ifndef _DEV_SCSIPI_SCSIPI_DISK_H_
#define _DEV_SCSIPI_SCSIPI_DISK_H_
/*
* SCSI command format
*/
#define READ_BIG 0x28
#define WRITE_BIG 0x2a
struct scsipi_rw_big {
u_int8_t opcode;
u_int8_t byte2;
#define SRWB_RELADDR 0x01
#define SRWB_FUA 0x08 /* force unit access */
#define SRWB_DPO 0x10 /* disable page out */
u_int8_t addr[4];
u_int8_t reserved;
u_int8_t length[2];
u_int8_t control;
};
#define READ_CAPACITY 0x25
struct scsipi_read_capacity {
u_int8_t opcode;
u_int8_t byte2;
u_int8_t addr[4];
u_int8_t unused[3];
u_int8_t control;
};
/* DATAs definitions for the above commands */
struct scsipi_read_cap_data {
u_int8_t addr[4];
u_int8_t length[4];
};
#endif /* _DEV_SCSIPI_SCSIPI_DISK_H_ */