374 lines
6.1 KiB
C
374 lines
6.1 KiB
C
|
/*
|
||
|
|
* HISTORY
|
||
|
|
* $Log: scsi_all.h,v $
|
||
|
|
* Revision 1.2 1992/11/20 23:07:13 julian
|
||
|
|
* add a definition for device type T_NODEVICE
|
||
|
|
*
|
||
|
|
* Revision 1.1 1992/09/26 22:14:02 julian
|
||
|
|
* Initial revision
|
||
|
|
*
|
||
|
|
*
|
||
|
|
* PATCHES MAGIC LEVEL PATCH THAT GOT US HERE
|
||
|
|
* -------------------- ----- ----------------------
|
||
|
|
* CURRENT PATCH LEVEL: 1 00098
|
||
|
|
* -------------------- ----- ----------------------
|
||
|
|
*
|
||
|
|
* 16 Feb 93 Julian Elischer ADDED for SCSI system
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* SCSI general interface description
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* 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
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* SCSI command format
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
struct scsi_generic
|
||
|
|
{
|
||
|
|
u_char opcode;
|
||
|
|
u_char bytes[11];
|
||
|
|
};
|
||
|
|
|
||
|
|
struct scsi_test_unit_ready
|
||
|
|
{
|
||
|
|
u_char op_code;
|
||
|
|
u_char :5;
|
||
|
|
u_char lun:3;
|
||
|
|
u_char unused[3];
|
||
|
|
u_char link:1;
|
||
|
|
u_char flag:4;
|
||
|
|
u_char :3;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct scsi_send_diag
|
||
|
|
{
|
||
|
|
u_char op_code;
|
||
|
|
u_char uol:1;
|
||
|
|
u_char dol:1;
|
||
|
|
u_char selftest:1;
|
||
|
|
u_char :1;
|
||
|
|
u_char pf:1;
|
||
|
|
u_char lun:3;
|
||
|
|
u_char unused[1];
|
||
|
|
u_char paramlen[2];
|
||
|
|
u_char link:1;
|
||
|
|
u_char flag:4;
|
||
|
|
u_char :3;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct scsi_sense
|
||
|
|
{
|
||
|
|
u_char op_code;
|
||
|
|
u_char :5;
|
||
|
|
u_char lun:3;
|
||
|
|
u_char unused[2];
|
||
|
|
u_char length;
|
||
|
|
u_char link:1;
|
||
|
|
u_char flag:1;
|
||
|
|
u_char :6;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct scsi_inquiry
|
||
|
|
{
|
||
|
|
u_char op_code;
|
||
|
|
u_char :5;
|
||
|
|
u_char lun:3;
|
||
|
|
u_char unused[2];
|
||
|
|
u_char length;
|
||
|
|
u_char link:1;
|
||
|
|
u_char flag:1;
|
||
|
|
u_char :6;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct scsi_mode_sense
|
||
|
|
{
|
||
|
|
u_char op_code;
|
||
|
|
u_char :3;
|
||
|
|
u_char dbd:1;
|
||
|
|
u_char rsvd:1;
|
||
|
|
u_char lun:3;
|
||
|
|
u_char page_code:6;
|
||
|
|
u_char page_ctrl:2;
|
||
|
|
u_char unused;
|
||
|
|
u_char length;
|
||
|
|
u_char link:1;
|
||
|
|
u_char flag:1;
|
||
|
|
u_char :6;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct scsi_mode_sense_big
|
||
|
|
{
|
||
|
|
u_char op_code;
|
||
|
|
u_char :3;
|
||
|
|
u_char dbd:1;
|
||
|
|
u_char rsvd:1;
|
||
|
|
u_char lun:3;
|
||
|
|
u_char page_code:6;
|
||
|
|
u_char page_ctrl:2;
|
||
|
|
u_char unused[4];
|
||
|
|
u_char length[2];
|
||
|
|
u_char link:1;
|
||
|
|
u_char flag:1;
|
||
|
|
u_char :6;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct scsi_mode_select
|
||
|
|
{
|
||
|
|
u_char op_code;
|
||
|
|
u_char sp:1;
|
||
|
|
u_char :3;
|
||
|
|
u_char pf:1;
|
||
|
|
u_char lun:3;
|
||
|
|
u_char unused[2];
|
||
|
|
u_char length;
|
||
|
|
u_char link:1;
|
||
|
|
u_char flag:1;
|
||
|
|
u_char :6;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct scsi_mode_select_big
|
||
|
|
{
|
||
|
|
u_char op_code;
|
||
|
|
u_char sp:1;
|
||
|
|
u_char :3;
|
||
|
|
u_char pf:1;
|
||
|
|
u_char lun:3;
|
||
|
|
u_char unused[5];
|
||
|
|
u_char length[2];
|
||
|
|
u_char link:1;
|
||
|
|
u_char flag:1;
|
||
|
|
u_char :6;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct scsi_reserve
|
||
|
|
{
|
||
|
|
u_char op_code;
|
||
|
|
u_char :5;
|
||
|
|
u_char lun:3;
|
||
|
|
u_char unused[2];
|
||
|
|
u_char length;
|
||
|
|
u_char link:1;
|
||
|
|
u_char flag:1;
|
||
|
|
u_char :6;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct scsi_release
|
||
|
|
{
|
||
|
|
u_char op_code;
|
||
|
|
u_char :5;
|
||
|
|
u_char lun:3;
|
||
|
|
u_char unused[2];
|
||
|
|
u_char length;
|
||
|
|
u_char link:1;
|
||
|
|
u_char flag:1;
|
||
|
|
u_char :6;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct scsi_prevent
|
||
|
|
{
|
||
|
|
u_char op_code;
|
||
|
|
u_char :5;
|
||
|
|
u_char lun:3;
|
||
|
|
u_char unused[2];
|
||
|
|
u_char prevent:1;
|
||
|
|
u_char :7;
|
||
|
|
u_char link:1;
|
||
|
|
u_char flag:1;
|
||
|
|
u_char :6;
|
||
|
|
};
|
||
|
|
#define PR_PREVENT 1
|
||
|
|
#define PR_ALLOW 0
|
||
|
|
|
||
|
|
/*
|
||
|
|
* 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 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_NODEVICE 0x1F
|
||
|
|
|
||
|
|
#define T_CHANGER 8
|
||
|
|
#define T_COMM 9
|
||
|
|
|
||
|
|
#define T_REMOV 1
|
||
|
|
#define T_FIXED 0
|
||
|
|
|
||
|
|
struct scsi_inquiry_data
|
||
|
|
{
|
||
|
|
u_char device_type:5;
|
||
|
|
u_char device_qualifier:3;
|
||
|
|
u_char dev_qual2:7;
|
||
|
|
u_char removable:1;
|
||
|
|
u_char ansii_version:3;
|
||
|
|
u_char :5;
|
||
|
|
u_char response_format;
|
||
|
|
u_char additional_length;
|
||
|
|
u_char unused[2];
|
||
|
|
u_char :3;
|
||
|
|
u_char can_link:1;
|
||
|
|
u_char can_sync:1;
|
||
|
|
u_char :3;
|
||
|
|
char vendor[8];
|
||
|
|
char product[16];
|
||
|
|
char revision[4];
|
||
|
|
u_char extra[8];
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
struct scsi_sense_data
|
||
|
|
{
|
||
|
|
u_char error_code:4;
|
||
|
|
u_char error_class:3;
|
||
|
|
u_char valid:1;
|
||
|
|
union
|
||
|
|
{
|
||
|
|
struct
|
||
|
|
{
|
||
|
|
u_char blockhi:5;
|
||
|
|
u_char vendor:3;
|
||
|
|
u_char blockmed;
|
||
|
|
u_char blocklow;
|
||
|
|
} unextended;
|
||
|
|
struct
|
||
|
|
{
|
||
|
|
u_char segment;
|
||
|
|
u_char sense_key:4;
|
||
|
|
u_char :1;
|
||
|
|
u_char ili:1;
|
||
|
|
u_char eom:1;
|
||
|
|
u_char filemark:1;
|
||
|
|
u_char info[4];
|
||
|
|
u_char extra_len;
|
||
|
|
/* allocate enough room to hold new stuff
|
||
|
|
u_char cmd_spec_info[4];
|
||
|
|
u_char add_sense_code;
|
||
|
|
u_char add_sense_code_qual;
|
||
|
|
u_char fru;
|
||
|
|
u_char sense_key_spec_1:7;
|
||
|
|
u_char sksv:1;
|
||
|
|
u_char sense_key_spec_2;
|
||
|
|
u_char sense_key_spec_3;
|
||
|
|
( by increasing 16 to 26 below) */
|
||
|
|
u_char extra_bytes[26];
|
||
|
|
} extended;
|
||
|
|
}ext;
|
||
|
|
};
|
||
|
|
struct scsi_sense_data_new
|
||
|
|
{
|
||
|
|
u_char error_code:7;
|
||
|
|
u_char valid:1;
|
||
|
|
union
|
||
|
|
{
|
||
|
|
struct
|
||
|
|
{
|
||
|
|
u_char blockhi:5;
|
||
|
|
u_char vendor:3;
|
||
|
|
u_char blockmed;
|
||
|
|
u_char blocklow;
|
||
|
|
} unextended;
|
||
|
|
struct
|
||
|
|
{
|
||
|
|
u_char segment;
|
||
|
|
u_char sense_key:4;
|
||
|
|
u_char :1;
|
||
|
|
u_char ili:1;
|
||
|
|
u_char eom:1;
|
||
|
|
u_char filemark:1;
|
||
|
|
u_char info[4];
|
||
|
|
u_char extra_len;
|
||
|
|
u_char cmd_spec_info[4];
|
||
|
|
u_char add_sense_code;
|
||
|
|
u_char add_sense_code_qual;
|
||
|
|
u_char fru;
|
||
|
|
u_char sense_key_spec_1:7;
|
||
|
|
u_char sksv:1;
|
||
|
|
u_char sense_key_spec_2;
|
||
|
|
u_char sense_key_spec_3;
|
||
|
|
u_char extra_bytes[16];
|
||
|
|
} extended;
|
||
|
|
}ext;
|
||
|
|
};
|
||
|
|
|
||
|
|
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
|