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NetBSD/sys/scsi/scsi_all.h

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after 0.2.2 "stable" patches applied
1993-03-21 21:04:42 +03:00
/*
* HISTORY
* $Log: scsi_all.h,v $
* Revision 1.1 1993/03/21 18:04:42 cgd
* after 0.2.2 "stable" patches applied
*
* 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