X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fscsi%2Fscsi.h;h=c60b8ff2f5e4f5d7a2952a8fb0951a689ec451b1;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=5087fd0088b30a5ffd637ce456a888efec58692c;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h index 5087fd008..c60b8ff2f 100644 --- a/include/scsi/scsi.h +++ b/include/scsi/scsi.h @@ -28,9 +28,15 @@ extern const unsigned char scsi_command_size[8]; * SCSI device types */ -#define MAX_SCSI_DEVICE_CODE 14 +#define MAX_SCSI_DEVICE_CODE 15 extern const char *const scsi_device_types[MAX_SCSI_DEVICE_CODE]; +/* + * Special value for scanning to specify scanning or rescanning of all + * possible channels, (target) ids, or luns on a given shost. + */ +#define SCAN_WILD_CARD ~0 + /* * SCSI opcodes */ @@ -41,6 +47,7 @@ extern const char *const scsi_device_types[MAX_SCSI_DEVICE_CODE]; #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 @@ -65,6 +72,7 @@ extern const char *const scsi_device_types[MAX_SCSI_DEVICE_CODE]; #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 @@ -97,6 +105,7 @@ extern const char *const scsi_device_types[MAX_SCSI_DEVICE_CODE]; #define PERSISTENT_RESERVE_OUT 0x5f #define REPORT_LUNS 0xa0 #define MOVE_MEDIUM 0xa5 +#define EXCHANGE_MEDIUM 0xa6 #define READ_12 0xa8 #define WRITE_12 0xaa #define WRITE_VERIFY_12 0xae @@ -108,10 +117,14 @@ extern const char *const scsi_device_types[MAX_SCSI_DEVICE_CODE]; #define WRITE_LONG_2 0xea #define READ_16 0x88 #define WRITE_16 0x8a +#define VERIFY_16 0x8f #define SERVICE_ACTION_IN 0x9e /* values for service action in */ #define SAI_READ_CAPACITY_16 0x10 +/* Values for T10/04-262r7 */ +#define ATA_16 0x85 /* 16-byte pass-thru */ +#define ATA_12 0xa1 /* 12-byte pass-thru */ /* * SCSI Architecture Model (SAM) Status codes. Taken from SAM-3 draft @@ -168,8 +181,10 @@ static inline int scsi_status_is_good(int status) #define RESERVATION_CONFLICT 0x0c #define COMMAND_TERMINATED 0x11 #define QUEUE_FULL 0x14 +#define ACA_ACTIVE 0x18 +#define TASK_ABORTED 0x20 -#define STATUS_MASK 0x3e +#define STATUS_MASK 0xfe /* * SENSE KEYS @@ -205,8 +220,9 @@ static inline int scsi_status_is_good(int status) * - treated as TYPE_DISK */ #define TYPE_MEDIUM_CHANGER 0x08 #define TYPE_COMM 0x09 /* Communications device */ -#define TYPE_ENCLOSURE 0x0d /* Enclosure Services Device */ #define TYPE_RAID 0x0c +#define TYPE_ENCLOSURE 0x0d /* Enclosure Services Device */ +#define TYPE_RBC 0x0e #define TYPE_NO_LUN 0x7f /* @@ -214,25 +230,25 @@ static inline int scsi_status_is_good(int status) */ struct ccs_modesel_head { - u8 _r1; /* reserved */ - u8 medium; /* device-specific medium type */ - u8 _r2; /* reserved */ - u8 block_desc_length; /* block descriptor length */ - u8 density; /* device-specific density code */ - u8 number_blocks_hi; /* number of blocks in this block desc */ - u8 number_blocks_med; - u8 number_blocks_lo; - u8 _r3; - u8 block_length_hi; /* block length for blocks in this desc */ - u8 block_length_med; - u8 block_length_lo; + __u8 _r1; /* reserved */ + __u8 medium; /* device-specific medium type */ + __u8 _r2; /* reserved */ + __u8 block_desc_length; /* block descriptor length */ + __u8 density; /* device-specific density code */ + __u8 number_blocks_hi; /* number of blocks in this block desc */ + __u8 number_blocks_med; + __u8 number_blocks_lo; + __u8 _r3; + __u8 block_length_hi; /* block length for blocks in this desc */ + __u8 block_length_med; + __u8 block_length_lo; }; /* * ScsiLun: 8 byte LUN. */ struct scsi_lun { - u8 scsi_lun[8]; + __u8 scsi_lun[8]; }; /* @@ -245,24 +261,35 @@ struct scsi_lun { #define EXTENDED_SDTR 0x01 #define EXTENDED_EXTENDED_IDENTIFY 0x02 /* SCSI-I only */ #define EXTENDED_WDTR 0x03 +#define EXTENDED_PPR 0x04 +#define EXTENDED_MODIFY_BIDI_DATA_PTR 0x05 #define SAVE_POINTERS 0x02 #define RESTORE_POINTERS 0x03 #define DISCONNECT 0x04 #define INITIATOR_ERROR 0x05 -#define ABORT 0x06 +#define ABORT_TASK_SET 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 TARGET_RESET 0x0c +#define ABORT_TASK 0x0d +#define CLEAR_TASK_SET 0x0e #define INITIATE_RECOVERY 0x0f /* SCSI-II only */ #define RELEASE_RECOVERY 0x10 /* SCSI-II only */ - +#define CLEAR_ACA 0x16 +#define LOGICAL_UNIT_RESET 0x17 #define SIMPLE_QUEUE_TAG 0x20 #define HEAD_OF_QUEUE_TAG 0x21 #define ORDERED_QUEUE_TAG 0x22 +#define IGNORE_WIDE_RESIDUE 0x23 +#define ACA 0x24 +#define QAS_REQUEST 0x55 + +/* Old SCSI2 names, don't use in new code */ +#define BUS_DEVICE_RESET TARGET_RESET +#define ABORT ABORT_TASK_SET /* * Host byte codes @@ -281,6 +308,8 @@ struct scsi_lun { #define DID_PASSTHROUGH 0x0a /* Force command past mid-layer */ #define DID_SOFT_ERROR 0x0b /* The low level driver just wish a retry */ #define DID_IMM_RETRY 0x0c /* Retry without decrementing retry count */ +#define DID_REQUEUE 0x0d /* Requeue command (no immediate retry) also + * without decrementing the retry count */ #define DRIVER_OK 0x00 /* Driver status */ /* @@ -336,7 +365,7 @@ struct scsi_lun { * host_byte = set by low-level driver to indicate status. * driver_byte = set by mid-level. */ -#define status_byte(result) (((result) >> 1) & 0x1f) +#define status_byte(result) (((result) >> 1) & 0x7f) #define msg_byte(result) (((result) >> 8) & 0xff) #define host_byte(result) (((result) >> 16) & 0xff) #define driver_byte(result) (((result) >> 24) & 0xff) @@ -346,6 +375,15 @@ struct scsi_lun { #define sense_error(sense) ((sense) & 0xf) #define sense_valid(sense) ((sense) & 0x80); +/* + * default timeouts +*/ +#define FORMAT_UNIT_TIMEOUT (2 * 60 * 60 * HZ) +#define START_STOP_TIMEOUT (60 * HZ) +#define MOVE_MEDIUM_TIMEOUT (5 * 60 * HZ) +#define READ_ELEMENT_STATUS_TIMEOUT (5 * 60 * HZ) +#define READ_DEFECT_DATA_TIMEOUT (60 * HZ ) + #define IDENTIFY_BASE 0x80 #define IDENTIFY(can_disconnect, lun) (IDENTIFY_BASE |\ @@ -353,14 +391,26 @@ struct scsi_lun { ((lun) & 0x07)) /* - * SCSI command sets + * struct scsi_device::scsi_level values. For SCSI devices other than those + * prior to SCSI-2 (i.e. over 12 years old) this value is (resp[2] + 1) + * where "resp" is a byte array of the response to an INQUIRY. The scsi_level + * variable is visible to the user via sysfs. */ #define SCSI_UNKNOWN 0 #define SCSI_1 1 #define SCSI_1_CCS 2 #define SCSI_2 3 -#define SCSI_3 4 +#define SCSI_3 4 /* SPC */ +#define SCSI_SPC_2 5 +#define SCSI_SPC_3 6 + +/* + * INQ PERIPHERAL QUALIFIERS + */ +#define SCSI_INQ_PQ_CON 0x00 +#define SCSI_INQ_PQ_NOT_CON 0x01 +#define SCSI_INQ_PQ_NOT_CAP 0x03 /*