a644aba501
from an initiator Added Julian's support for residuals. Added Julian's fixes to the tape driver Made compile cleanly with -Wall Reduce boot up output
351 lines
6.5 KiB
C
351 lines
6.5 KiB
C
/*
|
|
* 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
|
|
*
|
|
* $Id: scsi_all.h,v 1.11 1995/03/04 12:36:55 bde Exp $
|
|
*/
|
|
|
|
/*
|
|
* SCSI general interface description
|
|
*/
|
|
|
|
#ifndef _SCSI_SCSI_ALL_H
|
|
#define _SCSI_SCSI_ALL_H 1
|
|
/*
|
|
* SCSI command format
|
|
*/
|
|
|
|
/*
|
|
* Define dome bits that are in ALL (or a lot of) scsi commands
|
|
*/
|
|
#define SCSI_CTL_LINK 0x01
|
|
#define SCSI_CTL_FLAG 0x02
|
|
#define SCSI_CTL_VENDOR 0xC0
|
|
#define SCSI_CMD_LUN 0xA0 /* these two should not be needed */
|
|
#define SCSI_CMD_LUN_SHIFT 5 /* LUN in the cmd is no longer SCSI */
|
|
|
|
|
|
struct scsi_generic
|
|
{
|
|
u_char opcode;
|
|
u_char bytes[11];
|
|
};
|
|
|
|
struct scsi_test_unit_ready
|
|
{
|
|
u_char op_code;
|
|
u_char byte2;
|
|
u_char unused[3];
|
|
u_char control;
|
|
};
|
|
|
|
struct scsi_send_diag
|
|
{
|
|
u_char op_code;
|
|
u_char byte2;
|
|
#define SSD_UOL 0x01
|
|
#define SSD_DOL 0x02
|
|
#define SSD_SELFTEST 0x04
|
|
#define SSD_PF 0x10
|
|
u_char unused[1];
|
|
u_char paramlen[2];
|
|
u_char control;
|
|
};
|
|
|
|
struct scsi_sense
|
|
{
|
|
u_char op_code;
|
|
u_char byte2;
|
|
u_char unused[2];
|
|
u_char length;
|
|
u_char control;
|
|
};
|
|
|
|
struct scsi_inquiry
|
|
{
|
|
u_char op_code;
|
|
u_char byte2;
|
|
u_char unused[2];
|
|
u_char length;
|
|
u_char control;
|
|
};
|
|
|
|
struct scsi_mode_sense
|
|
{
|
|
u_char op_code;
|
|
u_char byte2;
|
|
#define SMS_DBD 0x08
|
|
u_char page;
|
|
#define SMS_PAGE_CODE 0x3F
|
|
#define SMS_PAGE_CTRL 0xC0
|
|
#define SMS_PAGE_CTRL_CURRENT 0x00
|
|
#define SMS_PAGE_CTRL_CHANGEABLE 0x40
|
|
#define SMS_PAGE_CTRL_DEFAULT 0x80
|
|
#define SMS_PAGE_CTRL_SAVED 0xC0
|
|
u_char unused;
|
|
u_char length;
|
|
u_char control;
|
|
};
|
|
|
|
struct scsi_mode_sense_big
|
|
{
|
|
u_char op_code;
|
|
u_char byte2; /* same bits as small version */
|
|
u_char page; /* same bits as small version */
|
|
u_char unused[4];
|
|
u_char length[2];
|
|
u_char control;
|
|
};
|
|
|
|
struct scsi_mode_select
|
|
{
|
|
u_char op_code;
|
|
u_char byte2;
|
|
#define SMS_SP 0x01
|
|
#define SMS_PF 0x10
|
|
u_char unused[2];
|
|
u_char length;
|
|
u_char control;
|
|
};
|
|
|
|
struct scsi_mode_select_big
|
|
{
|
|
u_char op_code;
|
|
u_char byte2; /* same bits as small version */
|
|
u_char unused[5];
|
|
u_char length[2];
|
|
u_char control;
|
|
};
|
|
|
|
struct scsi_reserve
|
|
{
|
|
u_char op_code;
|
|
u_char byte2;
|
|
u_char unused[2];
|
|
u_char length;
|
|
u_char control;
|
|
};
|
|
|
|
struct scsi_release
|
|
{
|
|
u_char op_code;
|
|
u_char byte2;
|
|
u_char unused[2];
|
|
u_char length;
|
|
u_char control;
|
|
};
|
|
|
|
struct scsi_prevent
|
|
{
|
|
u_char op_code;
|
|
u_char byte2;
|
|
u_char unused[2];
|
|
u_char how;
|
|
u_char control;
|
|
};
|
|
#define PR_PREVENT 0x01
|
|
#define PR_ALLOW 0x00
|
|
|
|
struct scsi_changedef
|
|
{
|
|
u_char op_code;
|
|
u_char byte2;
|
|
u_char unused1;
|
|
u_char how;
|
|
u_char unused[4];
|
|
u_char datalen;
|
|
u_char control;
|
|
};
|
|
#define SC_SCSI_1 0x01
|
|
#define SC_SCSI_2 0x03
|
|
|
|
/*
|
|
* Opcodes
|
|
*/
|
|
|
|
#define TEST_UNIT_READY 0x00
|
|
#define REQUEST_SENSE 0x03
|
|
#define INQUIRY 0x12
|
|
#define MODE_SELECT 0x15
|
|
#define MODE_SENSE 0x1a
|
|
#define START_STOP 0x1b
|
|
#define RESERVE 0x16
|
|
#define RELEASE 0x17
|
|
#define PREVENT_ALLOW 0x1e
|
|
#define POSITION_TO_ELEMENT 0x2b
|
|
#define CHANGE_DEFINITION 0x40
|
|
#define MODE_SENSE_BIG 0x54
|
|
#define MODE_SELECT_BIG 0x55
|
|
#define MOVE_MEDIUM 0xa5
|
|
#define READ_ELEMENT_STATUS 0xb8
|
|
|
|
|
|
/*
|
|
* sense data format
|
|
*/
|
|
#define T_DIRECT 0
|
|
#define T_SEQUENTIAL 1
|
|
#define T_PRINTER 2
|
|
#define T_PROCESSOR 3
|
|
#define T_WORM 4
|
|
#define T_READONLY 5
|
|
#define T_SCANNER 6
|
|
#define T_OPTICAL 7
|
|
#define T_CHANGER 8
|
|
#define T_COMM 9
|
|
#define T_ASC0 10
|
|
#define T_ASC1 11
|
|
#define T_TARGET 12
|
|
#define T_UNKNOWN 13
|
|
#define T_NTYPES 14
|
|
|
|
#define T_NODEVICE 0x1F
|
|
|
|
#define T_REMOV 1
|
|
#define T_FIXED 0
|
|
|
|
struct scsi_inquiry_data
|
|
{
|
|
u_char device;
|
|
#define SID_TYPE 0x1F
|
|
#define SID_QUAL 0xE0
|
|
#define SID_QUAL_LU_OK 0x00
|
|
#define SID_QUAL_LU_OFFLINE 0x20
|
|
#define SID_QUAL_RSVD 0x40
|
|
#define SID_QUAL_BAD_LU 0x60
|
|
u_char dev_qual2;
|
|
#define SID_QUAL2 0x7F
|
|
#define SID_REMOVABLE 0x80
|
|
u_char version;
|
|
#define SID_ANSII 0x07
|
|
#define SID_ECMA 0x38
|
|
#define SID_ISO 0xC0
|
|
u_char response_format;
|
|
u_char additional_length;
|
|
u_char unused[2];
|
|
u_char flags;
|
|
#define SID_SftRe 0x01
|
|
#define SID_CmdQue 0x02
|
|
#define SID_Linked 0x08
|
|
#define SID_Sync 0x10
|
|
#define SID_WBus16 0x20
|
|
#define SID_WBus32 0x40
|
|
#define SID_RelAdr 0x80
|
|
char vendor[8];
|
|
char product[16];
|
|
char revision[4];
|
|
u_char extra[8];
|
|
};
|
|
|
|
|
|
struct scsi_sense_data
|
|
{
|
|
/* 1*/ u_char error_code; /* same bits as new version */
|
|
union
|
|
{
|
|
struct
|
|
{
|
|
/* 2*/ u_char blockhi;
|
|
/* 3*/ u_char blockmed;
|
|
/* 4*/ u_char blocklow;
|
|
} unextended;
|
|
struct
|
|
{
|
|
/* 2*/ u_char segment;
|
|
/* 3*/ u_char flags; /* same bits as new version */
|
|
/* 7*/ u_char info[4];
|
|
/* 8*/ u_char extra_len;
|
|
/* allocate enough room to hold new stuff
|
|
( by increasing 16 to 24 below) */
|
|
/*32*/ u_char extra_bytes[24];
|
|
} extended;
|
|
}ext;
|
|
}; /* total of 32 bytes */
|
|
|
|
struct scsi_sense_extended
|
|
{
|
|
/* 2*/ u_char segment;
|
|
/* 3*/ u_char flags;
|
|
#define SSD_KEY 0x0F
|
|
#define SSD_ILI 0x20
|
|
#define SSD_EOM 0x40
|
|
#define SSD_FILEMARK 0x80
|
|
/* 7*/ u_char info[4];
|
|
/* 8*/ u_char extra_len;
|
|
/*12*/ u_char cmd_spec_info[4];
|
|
/*13*/ u_char add_sense_code;
|
|
/*14*/ u_char add_sense_code_qual;
|
|
/*15*/ u_char fru;
|
|
/*16*/ u_char sense_key_spec_1;
|
|
#define SSD_SCS_VALID 0x80
|
|
/*17*/ u_char sense_key_spec_2;
|
|
/*18*/ u_char sense_key_spec_3;
|
|
/*32*/ u_char extra_bytes[14];
|
|
};
|
|
|
|
struct scsi_sense_data_new
|
|
{
|
|
/* 1*/ u_char error_code;
|
|
#define SSD_ERRCODE 0x7F
|
|
#define SSD_ERRCODE_VALID 0x80
|
|
union
|
|
{
|
|
struct /* this is deprecated, the standard says "DON'T"*/
|
|
{
|
|
/* 2*/ u_char blockhi;
|
|
/* 3*/ u_char blockmed;
|
|
/* 4*/ u_char blocklow;
|
|
} unextended;
|
|
|
|
struct scsi_sense_extended extended;
|
|
} ext;
|
|
}; /* total of 32 bytes */
|
|
|
|
struct blk_desc
|
|
{
|
|
u_char density;
|
|
u_char nblocks[3];
|
|
u_char reserved;
|
|
u_char blklen[3];
|
|
};
|
|
|
|
struct scsi_mode_header
|
|
{
|
|
u_char data_length; /* Sense data length */
|
|
u_char medium_type;
|
|
u_char dev_spec;
|
|
u_char blk_desc_len;
|
|
};
|
|
|
|
struct scsi_mode_header_big
|
|
{
|
|
u_char data_length[2]; /* Sense data length */
|
|
u_char medium_type;
|
|
u_char dev_spec;
|
|
u_char unused[2];
|
|
u_char blk_desc_len[2];
|
|
};
|
|
|
|
|
|
/*
|
|
* Status Byte
|
|
*/
|
|
#define SCSI_OK 0x00
|
|
#define SCSI_CHECK 0x02
|
|
#define SCSI_BUSY 0x08
|
|
#define SCSI_INTERM 0x10
|
|
#define SCSI_QUEUE_FULL 0x28
|
|
#endif /*_SCSI_SCSI_ALL_H*/
|