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Release 4.7 include/scsi/scsi_proto.h

Directory: include/scsi
/*
 * This header file contains public constants and structures used by
 * both the SCSI initiator and the SCSI target code.
 *
 * For documentation on the OPCODES, MESSAGES, and SENSE values,
 * please consult the SCSI standard.
 */

#ifndef _SCSI_PROTO_H_

#define _SCSI_PROTO_H_

#include <linux/types.h>

/*
 *      SCSI opcodes
 */


#define TEST_UNIT_READY       0x00

#define REZERO_UNIT           0x01

#define REQUEST_SENSE         0x03

#define FORMAT_UNIT           0x04

#define READ_BLOCK_LIMITS     0x05

#define REASSIGN_BLOCKS       0x07

#define INITIALIZE_ELEMENT_STATUS 0x07

#define READ_6                0x08

#define WRITE_6               0x0a

#define SEEK_6                0x0b

#define READ_REVERSE          0x0f

#define WRITE_FILEMARKS       0x10

#define SPACE                 0x11

#define INQUIRY               0x12

#define RECOVER_BUFFERED_DATA 0x14

#define MODE_SELECT           0x15

#define RESERVE               0x16

#define RELEASE               0x17

#define COPY                  0x18

#define ERASE                 0x19

#define MODE_SENSE            0x1a

#define START_STOP            0x1b

#define RECEIVE_DIAGNOSTIC    0x1c

#define SEND_DIAGNOSTIC       0x1d

#define ALLOW_MEDIUM_REMOVAL  0x1e


#define READ_FORMAT_CAPACITIES 0x23

#define SET_WINDOW            0x24

#define READ_CAPACITY         0x25

#define READ_10               0x28

#define WRITE_10              0x2a

#define SEEK_10               0x2b

#define POSITION_TO_ELEMENT   0x2b

#define WRITE_VERIFY          0x2e

#define VERIFY                0x2f

#define SEARCH_HIGH           0x30

#define SEARCH_EQUAL          0x31

#define SEARCH_LOW            0x32

#define SET_LIMITS            0x33

#define PRE_FETCH             0x34

#define READ_POSITION         0x34

#define SYNCHRONIZE_CACHE     0x35

#define LOCK_UNLOCK_CACHE     0x36

#define READ_DEFECT_DATA      0x37

#define MEDIUM_SCAN           0x38

#define COMPARE               0x39

#define COPY_VERIFY           0x3a

#define WRITE_BUFFER          0x3b

#define READ_BUFFER           0x3c

#define UPDATE_BLOCK          0x3d

#define READ_LONG             0x3e

#define WRITE_LONG            0x3f

#define CHANGE_DEFINITION     0x40

#define WRITE_SAME            0x41

#define UNMAP		      0x42

#define READ_TOC              0x43

#define READ_HEADER           0x44

#define GET_EVENT_STATUS_NOTIFICATION 0x4a

#define LOG_SELECT            0x4c

#define LOG_SENSE             0x4d

#define XDWRITEREAD_10        0x53

#define MODE_SELECT_10        0x55

#define RESERVE_10            0x56

#define RELEASE_10            0x57

#define MODE_SENSE_10         0x5a

#define PERSISTENT_RESERVE_IN 0x5e

#define PERSISTENT_RESERVE_OUT 0x5f

#define VARIABLE_LENGTH_CMD   0x7f

#define REPORT_LUNS           0xa0

#define SECURITY_PROTOCOL_IN  0xa2

#define MAINTENANCE_IN        0xa3

#define MAINTENANCE_OUT       0xa4

#define MOVE_MEDIUM           0xa5

#define EXCHANGE_MEDIUM       0xa6

#define READ_12               0xa8

#define SERVICE_ACTION_OUT_12 0xa9

#define WRITE_12              0xaa

#define READ_MEDIA_SERIAL_NUMBER 0xab 
/* Obsolete with SPC-2 */

#define SERVICE_ACTION_IN_12  0xab

#define WRITE_VERIFY_12       0xae

#define VERIFY_12	      0xaf

#define SEARCH_HIGH_12        0xb0

#define SEARCH_EQUAL_12       0xb1

#define SEARCH_LOW_12         0xb2

#define SECURITY_PROTOCOL_OUT 0xb5

#define READ_ELEMENT_STATUS   0xb8

#define SEND_VOLUME_TAG       0xb6

#define WRITE_LONG_2          0xea

#define EXTENDED_COPY         0x83

#define RECEIVE_COPY_RESULTS  0x84

#define ACCESS_CONTROL_IN     0x86

#define ACCESS_CONTROL_OUT    0x87

#define READ_16               0x88

#define COMPARE_AND_WRITE     0x89

#define WRITE_16              0x8a

#define READ_ATTRIBUTE        0x8c

#define WRITE_ATTRIBUTE	      0x8d

#define VERIFY_16	      0x8f

#define SYNCHRONIZE_CACHE_16  0x91

#define WRITE_SAME_16	      0x93

#define ZBC_OUT		      0x94

#define ZBC_IN		      0x95

#define SERVICE_ACTION_BIDIRECTIONAL 0x9d

#define SERVICE_ACTION_IN_16  0x9e

#define SERVICE_ACTION_OUT_16 0x9f
/* values for service action in */

#define	SAI_READ_CAPACITY_16  0x10

#define SAI_GET_LBA_STATUS    0x12

#define SAI_REPORT_REFERRALS  0x13
/* values for VARIABLE_LENGTH_CMD service action codes
 * see spc4r17 Section D.3.5, table D.7 and D.8 */

#define VLC_SA_RECEIVE_CREDENTIAL 0x1800
/* values for maintenance in */

#define MI_REPORT_IDENTIFYING_INFORMATION 0x05

#define MI_REPORT_TARGET_PGS  0x0a

#define MI_REPORT_ALIASES     0x0b

#define MI_REPORT_SUPPORTED_OPERATION_CODES 0x0c

#define MI_REPORT_SUPPORTED_TASK_MANAGEMENT_FUNCTIONS 0x0d

#define MI_REPORT_PRIORITY    0x0e

#define MI_REPORT_TIMESTAMP   0x0f

#define MI_MANAGEMENT_PROTOCOL_IN 0x10
/* value for MI_REPORT_TARGET_PGS ext header */

#define MI_EXT_HDR_PARAM_FMT  0x20
/* values for maintenance out */

#define MO_SET_IDENTIFYING_INFORMATION 0x06

#define MO_SET_TARGET_PGS     0x0a

#define MO_CHANGE_ALIASES     0x0b

#define MO_SET_PRIORITY       0x0e

#define MO_SET_TIMESTAMP      0x0f

#define MO_MANAGEMENT_PROTOCOL_OUT 0x10
/* values for ZBC_IN */

#define ZI_REPORT_ZONES	      0x00
/* values for ZBC_OUT */

#define ZO_CLOSE_ZONE	      0x01

#define ZO_FINISH_ZONE	      0x02

#define ZO_OPEN_ZONE	      0x03

#define ZO_RESET_WRITE_POINTER 0x04
/* values for variable length command */

#define XDREAD_32	      0x03

#define XDWRITE_32	      0x04

#define XPWRITE_32	      0x06

#define XDWRITEREAD_32	      0x07

#define READ_32		      0x09

#define VERIFY_32	      0x0a

#define WRITE_32	      0x0b

#define WRITE_SAME_32	      0x0d

/* Values for T10/04-262r7 */

#define	ATA_16		      0x85	
/* 16-byte pass-thru */

#define	ATA_12		      0xa1	
/* 12-byte pass-thru */

/* Vendor specific CDBs start here */

#define VENDOR_SPECIFIC_CDB 0xc0

/*
 *      SCSI command lengths
 */


#define SCSI_MAX_VARLEN_CDB_SIZE 260

/* defined in T10 SCSI Primary Commands-2 (SPC2) */

struct scsi_varlen_cdb_hdr {
	
__u8 opcode;        /* opcode always == VARIABLE_LENGTH_CMD */
	
__u8 control;
	
__u8 misc[5];
	
__u8 additional_cdb_length;         /* total cdb length - 8 */
	
__be16 service_action;
	/* service specific data follows */
};

/*
 *  SCSI Architecture Model (SAM) Status codes. Taken from SAM-3 draft
 *  T10/1561-D Revision 4 Draft dated 7th November 2002.
 */

#define SAM_STAT_GOOD            0x00

#define SAM_STAT_CHECK_CONDITION 0x02

#define SAM_STAT_CONDITION_MET   0x04

#define SAM_STAT_BUSY            0x08

#define SAM_STAT_INTERMEDIATE    0x10

#define SAM_STAT_INTERMEDIATE_CONDITION_MET 0x14

#define SAM_STAT_RESERVATION_CONFLICT 0x18

#define SAM_STAT_COMMAND_TERMINATED 0x22	
/* obsolete in SAM-3 */

#define SAM_STAT_TASK_SET_FULL   0x28

#define SAM_STAT_ACA_ACTIVE      0x30

#define SAM_STAT_TASK_ABORTED    0x40

/*
 *  Status codes. These are deprecated as they are shifted 1 bit right
 *  from those found in the SCSI standards. This causes confusion for
 *  applications that are ported to several OSes. Prefer SAM Status codes
 *  above.
 */


#define GOOD                 0x00

#define CHECK_CONDITION      0x01

#define CONDITION_GOOD       0x02

#define BUSY                 0x04

#define INTERMEDIATE_GOOD    0x08

#define INTERMEDIATE_C_GOOD  0x0a

#define RESERVATION_CONFLICT 0x0c

#define COMMAND_TERMINATED   0x11

#define QUEUE_FULL           0x14

#define ACA_ACTIVE           0x18

#define TASK_ABORTED         0x20


#define STATUS_MASK          0xfe

/*
 *  SENSE KEYS
 */


#define NO_SENSE            0x00

#define RECOVERED_ERROR     0x01

#define NOT_READY           0x02

#define MEDIUM_ERROR        0x03

#define HARDWARE_ERROR      0x04

#define ILLEGAL_REQUEST     0x05

#define UNIT_ATTENTION      0x06

#define DATA_PROTECT        0x07

#define BLANK_CHECK         0x08

#define COPY_ABORTED        0x0a

#define ABORTED_COMMAND     0x0b

#define VOLUME_OVERFLOW     0x0d

#define MISCOMPARE          0x0e


/*
 *  DEVICE TYPES
 *  Please keep them in 0x%02x format for $MODALIAS to work
 */


#define TYPE_DISK           0x00

#define TYPE_TAPE           0x01

#define TYPE_PRINTER        0x02

#define TYPE_PROCESSOR      0x03    
/* HP scanners use this */

#define TYPE_WORM           0x04    
/* Treated as ROM by our system */

#define TYPE_ROM            0x05

#define TYPE_SCANNER        0x06

#define TYPE_MOD            0x07    
/* Magneto-optical disk -
                                     * - treated as TYPE_DISK */

#define TYPE_MEDIUM_CHANGER 0x08

#define TYPE_COMM           0x09    
/* Communications device */

#define TYPE_RAID           0x0c

#define TYPE_ENCLOSURE      0x0d    
/* Enclosure Services Device */

#define TYPE_RBC	    0x0e

#define TYPE_OSD            0x11

#define TYPE_ZBC            0x14

#define TYPE_WLUN           0x1e    
/* well-known logical unit */

#define TYPE_NO_LUN         0x7f

/* SCSI protocols; these are taken from SPC-3 section 7.5 */

enum scsi_protocol {
	
SCSI_PROTOCOL_FCP = 0,	/* Fibre Channel */
	
SCSI_PROTOCOL_SPI = 1,	/* parallel SCSI */
	
SCSI_PROTOCOL_SSA = 2,	/* Serial Storage Architecture - Obsolete */
	
SCSI_PROTOCOL_SBP = 3,	/* firewire */
	
SCSI_PROTOCOL_SRP = 4,	/* Infiniband RDMA */
	
SCSI_PROTOCOL_ISCSI = 5,
	
SCSI_PROTOCOL_SAS = 6,
	
SCSI_PROTOCOL_ADT = 7,	/* Media Changers */
	
SCSI_PROTOCOL_ATA = 8,
	
SCSI_PROTOCOL_UNSPEC = 0xf, /* No specific protocol */
};

/*
 * ScsiLun: 8 byte LUN.
 */

struct scsi_lun {
	
__u8 scsi_lun[8];
};

/* SPC asymmetric access states */

#define SCSI_ACCESS_STATE_OPTIMAL     0x00

#define SCSI_ACCESS_STATE_ACTIVE      0x01

#define SCSI_ACCESS_STATE_STANDBY     0x02

#define SCSI_ACCESS_STATE_UNAVAILABLE 0x03

#define SCSI_ACCESS_STATE_LBA         0x04

#define SCSI_ACCESS_STATE_OFFLINE     0x0e

#define SCSI_ACCESS_STATE_TRANSITIONING 0x0f

/* Values for REPORT TARGET GROUP STATES */

#define SCSI_ACCESS_STATE_MASK        0x0f

#define SCSI_ACCESS_STATE_PREFERRED   0x80

#endif /* _SCSI_PROTO_H_ */

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Directory: include/scsi



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