/* @(#)scsicdb.h 2.19 04/09/04 Copyright 1986 J. Schilling */
/*
* Definitions for the SCSI Command Descriptor Block
*
* Copyright (c) 1986 J. Schilling
*/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; see the file COPYING. If not, write to the Free Software
* Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _SCG_SCSICDB_H
#define _SCG_SCSICDB_H
#ifndef _UTYPES_H
#include <utypes.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
/*
* SCSI Operation codes.
*/
#define SC_TEST_UNIT_READY 0x00
#define SC_REZERO_UNIT 0x01
#define SC_REQUEST_SENSE 0x03
#define SC_FORMAT 0x04
#define SC_FORMAT_TRACK 0x06
#define SC_REASSIGN_BLOCK 0x07 /* CCS only */
#define SC_SEEK 0x0b
#define SC_TRANSLATE 0x0f /* ACB4000 only */
#define SC_INQUIRY 0x12 /* CCS only */
#define SC_MODE_SELECT 0x15
#define SC_RESERVE 0x16
#define SC_RELEASE 0x17
#define SC_MODE_SENSE 0x1a
#define SC_START 0x1b
#define SC_READ_DEFECT_LIST 0x37 /* CCS only, group 1 */
#define SC_READ_BUFFER 0x3c /* CCS only, group 1 */
/*
* Note, these two commands use identical command blocks for all
* controllers except the Adaptec ACB 4000 which sets bit 1 of byte 1.
*/
#define SC_READ 0x08
#define SC_WRITE 0x0a
#define SC_EREAD 0x28 /* 10 byte read */
#define SC_EWRITE 0x2a /* 10 byte write */
#define SC_WRITE_VERIFY 0x2e /* 10 byte write+verify */
#define SC_WRITE_FILE_MARK 0x10
#define SC_UNKNOWN 0xff /* cmd list terminator */
/*
* Standard SCSI control blocks.
* These go in or out over the SCSI bus.
*/
#if defined(_BIT_FIELDS_LTOH) /* Intel byteorder */
struct scsi_g0cdb { /* scsi group 0 command description block */
Uchar cmd; /* command code */
Ucbit high_addr : 5; /* high part of block address */
Ucbit lun : 3; /* logical unit number */
Uchar mid_addr; /* middle part of block address */
Uchar low_addr; /* low part of block address */
Uchar count; /* transfer length */
Ucbit link : 1; /* link (another command follows) */
Ucbit fr : 1; /* flag request (interrupt at completion) */
Ucbit naca : 1; /* Normal ACA (Auto Contingent Allegiance) */
Ucbit rsvd : 3; /* reserved */
Ucbit vu_56 : 1; /* vendor unique (byte 5 bit 6) */
Ucbit vu_57 : 1; /* vendor unique (byte 5 bit 7) */
};
#else /* Motorola byteorder */
struct scsi_g0cdb { /* scsi group 0 command description block */
Uchar cmd; /* command code */
Ucbit lun : 3; /* logical unit number */
Ucbit high_addr : 5; /* high part of block address */
Uchar mid_addr; /* middle part of block address */
Uchar low_addr; /* low part of block address */
Uchar count; /* transfer length */
Ucbit vu_57 : 1; /* vendor unique (byte 5 bit 7) */
Ucbit vu_56 : 1; /* vendor unique (byte 5 bit 6) */
Ucbit rsvd : 3; /* reserved */
Ucbit naca : 1; /* Normal ACA (Auto Contingent Allegiance) */
Ucbit fr : 1; /* flag request (interrupt at completion) */
Ucbit link : 1; /* link (another command follows) */
};
#endif
#if defined(_BIT_FIELDS_LTOH) /* Intel byteorder */
struct scsi_g1cdb { /* scsi group 1 command description block */
Uchar cmd; /* command code */
Ucbit reladr : 1; /* address is relative */
Ucbit res : 4; /* reserved bits 1-4 of byte 1 */
Ucbit lun : 3; /* logical unit number */
Uchar addr[4]; /* logical block address */
Uchar res6; /* reserved byte 6 */
Uchar count[2]; /* transfer length */
Ucbit link : 1; /* link (another command follows) */
Ucbit fr : 1; /* flag request (interrupt at completion) */
Ucbit naca : 1; /* Normal ACA (Auto Contingent Allegiance) */
Ucbit rsvd : 3; /* reserved */
Ucbit vu_96 : 1; /* vendor unique (byte 5 bit 6) */
Ucbit vu_97 : 1; /* vendor unique (byte 5 bit 7) */
};
#else /* Motorola byteorder */
struct scsi_g1cdb { /* scsi group 1 command description block */
Uchar cmd; /* command code */
Ucbit lun : 3; /* logical unit number */
Ucbit res : 4; /* reserved bits 1-4 of byte 1 */
Ucbit reladr : 1; /* address is relative */
Uchar addr[4]; /* logical block address */
Uchar res6; /* reserved byte 6 */
Uchar count[2]; /* transfer length */
Ucbit vu_97 : 1; /* vendor unique (byte 5 bit 7) */
Ucbit vu_96 : 1; /* vendor unique (byte 5 bit 6) */
Ucbit rsvd : 3; /* reserved */
Ucbit naca : 1; /* Normal ACA (Auto Contingent Allegiance) */
Ucbit fr : 1; /* flag request (interrupt at completion) */
Ucbit link : 1; /* link (another command follows) */
};
#endif
#if defined(_BIT_FIELDS_LTOH) /* Intel byteorder */
struct scsi_g5cdb { /* scsi group 5 command description block */
Uchar cmd; /* command code */
Ucbit reladr : 1; /* address is relative */
Ucbit res : 4; /* reserved bits 1-4 of byte 1 */
Ucbit lun : 3; /* logical unit number */
Uchar addr[4]; /* logical block address */
Uchar count[4]; /* transfer length */
Uchar res10; /* reserved byte 10 */
Ucbit link : 1; /* link (another command follows) */
Ucbit fr : 1; /* flag request (interrupt at completion) */
Ucbit naca : 1; /* Normal ACA (Auto Contingent Allegiance) */
Ucbit rsvd : 3; /* reserved */
Ucbit vu_B6 : 1; /* vendor unique (byte B bit 6) */
Ucbit vu_B7 : 1; /* vendor unique (byte B bit 7) */
};
#else /* Motorola byteorder */
struct scsi_g5cdb { /* scsi group 5 command description block */
Uchar cmd; /* command code */
Ucbit lun : 3; /* logical unit number */
Ucbit res : 4; /* reserved bits 1-4 of byte 1 */
Ucbit reladr : 1; /* address is relative */
Uchar addr[4]; /* logical block address */
Uchar count[4]; /* transfer length */
Uchar res10; /* reserved byte 10 */
Ucbit vu_B7 : 1; /* vendor unique (byte B bit 7) */
Ucbit vu_B6 : 1; /* vendor unique (byte B bit 6) */
Ucbit rsvd : 3; /* reserved */
Ucbit naca : 1; /* Normal ACA (Auto Contingent Allegiance) */
Ucbit fr : 1; /* flag request (interrupt at completion) */
Ucbit link : 1; /* link (another command follows) */
};
#endif
#define g0_cdbaddr(cdb, a) ((cdb)->high_addr = (a) >> 16,\
(cdb)->mid_addr = ((a) >> 8) & 0xFF,\
(cdb)->low_addr = (a) & 0xFF)
#define g1_cdbaddr(cdb, a) ((cdb)->addr[0] = (a) >> 24,\
(cdb)->addr[1] = ((a) >> 16)& 0xFF,\
(cdb)->addr[2] = ((a) >> 8) & 0xFF,\
(cdb)->addr[3] = (a) & 0xFF)
#define g5_cdbaddr(cdb, a) g1_cdbaddr(cdb, a)
#define g0_cdblen(cdb, len) ((cdb)->count = (len))
#define g1_cdblen(cdb, len) ((cdb)->count[0] = ((len) >> 8) & 0xFF,\
(cdb)->count[1] = (len) & 0xFF)
#define g5_cdblen(cdb, len) ((cdb)->count[0] = (len) >> 24L,\
(cdb)->count[1] = ((len) >> 16L)& 0xFF,\
(cdb)->count[2] = ((len) >> 8L) & 0xFF,\
(cdb)->count[3] = (len) & 0xFF)
/*#define XXXXX*/
#ifdef XXXXX
#define i_to_long(a, i) (((Uchar *)(a))[0] = ((i) >> 24)& 0xFF,\
((Uchar *)(a))[1] = ((i) >> 16)& 0xFF,\
((Uchar *)(a))[2] = ((i) >> 8) & 0xFF,\
((Uchar *)(a))[3] = (i) & 0xFF)
#define i_to_3_byte(a, i) (((Uchar *)(a))[0] = ((i) >> 16)& 0xFF,\
((Uchar *)(a))[1] = ((i) >> 8) & 0xFF,\
((Uchar *)(a))[2] = (i) & 0xFF)
#define i_to_4_byte(a, i) (((Uchar *)(a))[0] = ((i) >> 24)& 0xFF,\
((Uchar *)(a))[1] = ((i) >> 16)& 0xFF,\
((Uchar *)(a))[2] = ((i) >> 8) & 0xFF,\
((Uchar *)(a))[3] = (i) & 0xFF)
#define i_to_short(a, i) (((Uchar *)(a))[0] = ((i) >> 8) & 0xFF,\
((Uchar *)(a))[1] = (i) & 0xFF)
#define a_to_u_short(a) ((unsigned short) \
((((Uchar*) a)[1] & 0xFF) | \
(((Uchar*) a)[0] << 8 & 0xFF00)))
#define a_to_3_byte(a) ((Ulong) \
((((Uchar*) a)[2] & 0xFF) | \
(((Uchar*) a)[1] << 8 & 0xFF00) | \
(((Uchar*) a)[0] << 16 & 0xFF0000)))
#ifdef __STDC__
#define a_to_u_long(a) ((Ulong) \
((((Uchar*) a)[3] & 0xFF) | \
(((Uchar*) a)[2] << 8 & 0xFF00) | \
(((Uchar*) a)[1] << 16 & 0xFF0000) | \
(((Uchar*) a)[0] << 24 & 0xFF000000UL)))
#else
#define a_to_u_long(a) ((Ulong) \
((((Uchar*) a)[3] & 0xFF) | \
(((Uchar*) a)[2] << 8 & 0xFF00) | \
(((Uchar*) a)[1] << 16 & 0xFF0000) | \
(((Uchar*) a)[0] << 24 & 0xFF000000)))
#endif
#endif /* XXXX */
#ifdef __cplusplus
}
#endif
#endif /* _SCG_SCSICDB_H */
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