NetBSD/sys/dev/scsipi/scsipi_all.h

211 lines
5.4 KiB
C

/* $NetBSD: scsipi_all.h,v 1.11 1998/11/19 03:45:39 thorpej Exp $ */
/*
* SCSI and SCSI-like 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
*/
#ifndef _DEV_SCSIPI_SCSIPI_ALL_H_
#define _DEV_SCSIPI_SCSIPI_ALL_H_
/*
* SCSI-like command format and opcode
*/
/*
* Some basic, common SCSI command group definitions.
*/
#define CDB_GROUPID(cmd) ((cmd >> 5) & 0x7)
#define CDB_GROUPID_0 0
#define CDB_GROUPID_1 1
#define CDB_GROUPID_2 2
#define CDB_GROUPID_3 3
#define CDB_GROUPID_4 4
#define CDB_GROUPID_5 5
#define CDB_GROUPID_6 6
#define CDB_GROUPID_7 7
#define CDB_GROUP0 6 /* 6-byte cdb's */
#define CDB_GROUP1 10 /* 10-byte cdb's */
#define CDB_GROUP2 10 /* 10-byte cdb's */
#define CDB_GROUP3 0 /* reserved */
#define CDB_GROUP4 16 /* 16-byte cdb's */
#define CDB_GROUP5 12 /* 12-byte cdb's */
#define CDB_GROUP6 0 /* vendor specific */
#define CDB_GROUP7 0 /* vendor specific */
/*
* Some basic, common SCSI commands
*/
#define TEST_UNIT_READY 0x00
struct scsipi_test_unit_ready {
u_int8_t opcode;
u_int8_t byte2;
u_int8_t unused[3];
u_int8_t control;
};
#define REQUEST_SENSE 0x03
struct scsipi_sense {
u_int8_t opcode;
u_int8_t byte2;
u_int8_t unused[2];
u_int8_t length;
u_int8_t control;
};
#define INQUIRY 0x12
struct scsipi_inquiry {
u_int8_t opcode;
u_int8_t byte2;
u_int8_t unused[2];
u_int8_t length;
u_int8_t control;
};
#define PREVENT_ALLOW 0x1e
struct scsipi_prevent {
u_int8_t opcode;
u_int8_t byte2;
u_int8_t unused[2];
u_int8_t how;
u_int8_t control;
};
#define PR_PREVENT 0x01
#define PR_ALLOW 0x00
/*
* inquiry and sense data format
*/
struct scsipi_sense_data {
/* 1*/ u_int8_t error_code;
#define SSD_ERRCODE 0x7F
#define SSD_ERRCODE_VALID 0x80
/* 2*/ u_int8_t segment;
/* 3*/ u_int8_t flags;
#define SSD_KEY 0x0F
#define SSD_ILI 0x20
#define SSD_EOM 0x40
#define SSD_FILEMARK 0x80
/* 7*/ u_int8_t info[4];
/* 8*/ u_int8_t extra_len;
/*12*/ u_int8_t cmd_spec_info[4];
/*13*/ u_int8_t add_sense_code;
/*14*/ u_int8_t add_sense_code_qual;
/*15*/ u_int8_t fru;
/*16*/ u_int8_t sense_key_spec_1;
#define SSD_SCS_VALID 0x80
/*17*/ u_int8_t sense_key_spec_2;
/*18*/ u_int8_t sense_key_spec_3;
/*32*/ u_int8_t extra_bytes[14];
};
#define SKEY_NO_SENSE 0x00
#define SKEY_RECOVERED_ERROR 0x01
#define SKEY_NOT_READY 0x02
#define SKEY_MEDIUM_ERROR 0x03
#define SKEY_HARDWARE_ERROR 0x04
#define SKEY_ILLEGAL_REQUEST 0x05
#define SKEY_UNIT_ATTENTION 0x06
#define SKEY_WRITE_PROTECT 0x07
#define SKEY_BLANK_CHECK 0x08
#define SKEY_VENDOR_UNIQUE 0x09
#define SKEY_COPY_ABORTED 0x0A
#define SKEY_ABORTED_COMMAND 0x0B
#define SKEY_EQUAL 0x0C
#define SKEY_VOLUME_OVERFLOW 0x0D
#define SKEY_MISCOMPARE 0x0E
#define SKEY_RESERVED 0x0F
/*
* Sense bytes described by the extra_len tag start at cmd_spec_info,
* and can only continue up to the end of the structure we've defined
* (which is too short for some cases).
*/
#define ADD_BYTES_LIM(sp) \
(((int)(sp)->extra_len) < (int) sizeof(struct scsipi_sense_data) - 8)? \
((sp)->extra_len) : (sizeof (struct scsipi_sense_data) - 8)
struct scsipi_sense_data_unextended {
/* 1*/ u_int8_t error_code;
/* 4*/ u_int8_t block[3];
};
#define T_DIRECT 0x00 /* direct access device */
#define T_SEQUENTIAL 0x01 /* sequential access device */
#define T_PRINTER 0x02 /* printer device */
#define T_PROCESSOR 0x03 /* processor device */
#define T_WORM 0x04 /* write once, read many device */
#define T_CDROM 0x05 /* cd-rom device */
#define T_SCANNER 0x06 /* scanner device */
#define T_OPTICAL 0x07 /* optical memory device */
#define T_CHANGER 0x08 /* medium changer device */
#define T_COMM 0x09 /* communication device */
#define T_IT8_1 0x0a /* ??? */
#define T_IT8_2 0x0b /* ??? */
#define T_STORARRAY 0x0c /* storage array device */
#define T_ENCLOSURE 0x0d /* enclosure services device */
#define T_NODEVICE 0x1F
#define T_REMOV 1 /* device is removable */
#define T_FIXED 0 /* device is not removable */
/*
* XXX
* Actually I think some SCSI driver expects this structure to be 32 bytes, so
* don't change it unless you really know what you are doing
*/
struct scsipi_inquiry_data {
u_int8_t 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_int8_t dev_qual2;
#define SID_QUAL2 0x7F
#define SID_REMOVABLE 0x80
u_int8_t version;
#define SID_ANSII 0x07
#define SID_ECMA 0x38
#define SID_ISO 0xC0
u_int8_t response_format;
u_int8_t additional_length;
u_int8_t unused[2];
u_int8_t 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_int8_t extra[8];
};
#endif /* _DEV_SCSIPI_SCSIPI_ALL_H_ */