- #ifndef _LINUX_SCSI_H
- #define _LINUX_SCSI_H
- /*
- * This header file contains public constants and structures used by
- * the scsi code for linux.
- */
- /*
- $Header: /usr/src/linux/include/linux/RCS/scsi.h,v 1.3 1993/09/24 12:20:33 drew Exp $
- For documentation on the OPCODES, MESSAGES, and SENSE values,
- please consult the SCSI standard.
- */
- /*
- * 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 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 SET_WINDOW 0x24
- #define READ_CAPACITY 0x25
- #define READ_10 0x28
- #define WRITE_10 0x2a
- #define SEEK_10 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 READ_TOC 0x43
- #define LOG_SELECT 0x4c
- #define LOG_SENSE 0x4d
- #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 MOVE_MEDIUM 0xa5
- #define READ_12 0xa8
- #define WRITE_12 0xaa
- #define WRITE_VERIFY_12 0xae
- #define SEARCH_HIGH_12 0xb0
- #define SEARCH_EQUAL_12 0xb1
- #define SEARCH_LOW_12 0xb2
- #define READ_ELEMENT_STATUS 0xb8
- #define SEND_VOLUME_TAG 0xb6
- #define WRITE_LONG_2 0xea
- /*
- * Status codes
- */
- #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 STATUS_MASK 0x3e
- /*
- * 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
- */
- #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_ENCLOSURE 0x0d /* Enclosure Services Device */
- #define TYPE_NO_LUN 0x7f
- /*
- * standard mode-select header prepended to all mode-select commands
- *
- * moved here from cdrom.h -- kraxel
- */
- struct ccs_modesel_head
- {
- u_char _r1; /* reserved */
- u_char medium; /* device-specific medium type */
- u_char _r2; /* reserved */
- u_char block_desc_length; /* block descriptor length */
- u_char density; /* device-specific density code */
- u_char number_blocks_hi; /* number of blocks in this block desc */
- u_char number_blocks_med;
- u_char number_blocks_lo;
- u_char _r3;
- u_char block_length_hi; /* block length for blocks in this desc */
- u_char block_length_med;
- u_char block_length_lo;
- };
- /*
- * MESSAGE CODES
- */
- #define COMMAND_COMPLETE 0x00
- #define EXTENDED_MESSAGE 0x01
- #define EXTENDED_MODIFY_DATA_POINTER 0x00
- #define EXTENDED_SDTR 0x01
- #define EXTENDED_EXTENDED_IDENTIFY 0x02 /* SCSI-I only */
- #define EXTENDED_WDTR 0x03
- #define SAVE_POINTERS 0x02
- #define RESTORE_POINTERS 0x03
- #define DISCONNECT 0x04
- #define INITIATOR_ERROR 0x05
- #define ABORT 0x06
- #define MESSAGE_REJECT 0x07
- #define NOP 0x08
- #define MSG_PARITY_ERROR 0x09
- #define LINKED_CMD_COMPLETE 0x0a
- #define LINKED_FLG_CMD_COMPLETE 0x0b
- #define BUS_DEVICE_RESET 0x0c
- #define INITIATE_RECOVERY 0x0f /* SCSI-II only */
- #define RELEASE_RECOVERY 0x10 /* SCSI-II only */
- #define SIMPLE_QUEUE_TAG 0x20
- #define HEAD_OF_QUEUE_TAG 0x21
- #define ORDERED_QUEUE_TAG 0x22
- /*
- * Here are some scsi specific ioctl commands which are sometimes useful.
- */
- /* These are a few other constants only used by scsi devices */
- /* Note that include/linux/cdrom.h also defines IOCTL 0x5300 - 0x5395 */
- #define SCSI_IOCTL_GET_IDLUN 0x5382 /* conflicts with CDROMAUDIOBUFSIZ */
- /* Used to turn on and off tagged queuing for scsi devices */
- #define SCSI_IOCTL_TAGGED_ENABLE 0x5383
- #define SCSI_IOCTL_TAGGED_DISABLE 0x5384
- /* Used to obtain the host number of a device. */
- #define SCSI_IOCTL_PROBE_HOST 0x5385
- /* Used to get the bus number for a device */
- #define SCSI_IOCTL_GET_BUS_NUMBER 0x5386
- /* Used to get the PCI location of a device */
- #define SCSI_IOCTL_GET_PCI 0x5387
- /*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-indent-level: 4
- * c-brace-imaginary-offset: 0
- * c-brace-offset: -4
- * c-argdecl-indent: 4
- * c-label-offset: -4
- * c-continued-statement-offset: 4
- * c-continued-brace-offset: 0
- * indent-tabs-mode: nil
- * tab-width: 8
- * End:
- */
- #endif