^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * This header file contains public constants and structures used by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * the SCSI initiator code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #ifndef _SCSI_SCSI_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #define _SCSI_SCSI_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/scatterlist.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <scsi/scsi_common.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <scsi/scsi_proto.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) struct scsi_cmnd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) enum scsi_timeouts {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) SCSI_DEFAULT_EH_TIMEOUT = 10 * HZ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * DIX-capable adapters effectively support infinite chaining for the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) * protection information scatterlist
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define SCSI_MAX_PROT_SG_SEGMENTS 0xFFFF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * Special value for scanning to specify scanning or rescanning of all
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * possible channels, (target) ids, or luns on a given shost.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define SCAN_WILD_CARD ~0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) /** scsi_status_is_good - check the status return.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) * @status: the status passed up from the driver (including host and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * driver components)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) * This returns true for known good conditions that may be treated as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) * command completed normally
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) static inline int scsi_status_is_good(int status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) * FIXME: bit0 is listed as reserved in SCSI-2, but is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) * significant in SCSI-3. For now, we follow the SCSI-2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) * behaviour and ignore reserved bits.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) status &= 0xfe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) return ((status == SAM_STAT_GOOD) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) (status == SAM_STAT_CONDITION_MET) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) /* Next two "intermediate" statuses are obsolete in SAM-4 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) (status == SAM_STAT_INTERMEDIATE) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) (status == SAM_STAT_INTERMEDIATE_CONDITION_MET) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) /* FIXME: this is obsolete in SAM-3 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) (status == SAM_STAT_COMMAND_TERMINATED));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) * standard mode-select header prepended to all mode-select commands
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) struct ccs_modesel_head {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) __u8 _r1; /* reserved */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) __u8 medium; /* device-specific medium type */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) __u8 _r2; /* reserved */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) __u8 block_desc_length; /* block descriptor length */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) __u8 density; /* device-specific density code */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) __u8 number_blocks_hi; /* number of blocks in this block desc */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) __u8 number_blocks_med;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) __u8 number_blocks_lo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) __u8 _r3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) __u8 block_length_hi; /* block length for blocks in this desc */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) __u8 block_length_med;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) __u8 block_length_lo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) * The Well Known LUNS (SAM-3) in our int representation of a LUN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) #define SCSI_W_LUN_BASE 0xc100
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) #define SCSI_W_LUN_REPORT_LUNS (SCSI_W_LUN_BASE + 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) #define SCSI_W_LUN_ACCESS_CONTROL (SCSI_W_LUN_BASE + 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) #define SCSI_W_LUN_TARGET_LOG_PAGE (SCSI_W_LUN_BASE + 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) static inline int scsi_is_wlun(u64 lun)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) return (lun & 0xff00) == SCSI_W_LUN_BASE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) * scsi_status_is_check_condition - check the status return.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) * @status: the status passed up from the driver (including host and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) * driver components)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) * This returns true if the status code is SAM_STAT_CHECK_CONDITION.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) static inline int scsi_status_is_check_condition(int status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) if (status < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) status &= 0xfe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) return status == SAM_STAT_CHECK_CONDITION;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) * MESSAGE CODES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) #define COMMAND_COMPLETE 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) #define EXTENDED_MESSAGE 0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) #define EXTENDED_MODIFY_DATA_POINTER 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) #define EXTENDED_SDTR 0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) #define EXTENDED_EXTENDED_IDENTIFY 0x02 /* SCSI-I only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) #define EXTENDED_WDTR 0x03
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) #define EXTENDED_PPR 0x04
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) #define EXTENDED_MODIFY_BIDI_DATA_PTR 0x05
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) #define SAVE_POINTERS 0x02
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) #define RESTORE_POINTERS 0x03
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) #define DISCONNECT 0x04
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) #define INITIATOR_ERROR 0x05
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) #define ABORT_TASK_SET 0x06
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) #define MESSAGE_REJECT 0x07
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) #define NOP 0x08
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) #define MSG_PARITY_ERROR 0x09
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) #define LINKED_CMD_COMPLETE 0x0a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) #define LINKED_FLG_CMD_COMPLETE 0x0b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) #define TARGET_RESET 0x0c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) #define ABORT_TASK 0x0d
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) #define CLEAR_TASK_SET 0x0e
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) #define INITIATE_RECOVERY 0x0f /* SCSI-II only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) #define RELEASE_RECOVERY 0x10 /* SCSI-II only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) #define CLEAR_ACA 0x16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) #define LOGICAL_UNIT_RESET 0x17
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) #define SIMPLE_QUEUE_TAG 0x20
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) #define HEAD_OF_QUEUE_TAG 0x21
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) #define ORDERED_QUEUE_TAG 0x22
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) #define IGNORE_WIDE_RESIDUE 0x23
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) #define ACA 0x24
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) #define QAS_REQUEST 0x55
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) /* Old SCSI2 names, don't use in new code */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) #define BUS_DEVICE_RESET TARGET_RESET
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) #define ABORT ABORT_TASK_SET
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) * Host byte codes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) #define DID_OK 0x00 /* NO error */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) #define DID_NO_CONNECT 0x01 /* Couldn't connect before timeout period */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) #define DID_BUS_BUSY 0x02 /* BUS stayed busy through time out period */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) #define DID_TIME_OUT 0x03 /* TIMED OUT for other reason */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) #define DID_BAD_TARGET 0x04 /* BAD target. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) #define DID_ABORT 0x05 /* Told to abort for some other reason */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) #define DID_PARITY 0x06 /* Parity error */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) #define DID_ERROR 0x07 /* Internal error */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) #define DID_RESET 0x08 /* Reset by somebody. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) #define DID_BAD_INTR 0x09 /* Got an interrupt we weren't expecting. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) #define DID_PASSTHROUGH 0x0a /* Force command past mid-layer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) #define DID_SOFT_ERROR 0x0b /* The low level driver just wish a retry */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) #define DID_IMM_RETRY 0x0c /* Retry without decrementing retry count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) #define DID_REQUEUE 0x0d /* Requeue command (no immediate retry) also
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) * without decrementing the retry count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) #define DID_TRANSPORT_DISRUPTED 0x0e /* Transport error disrupted execution
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) * and the driver blocked the port to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) * recover the link. Transport class will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) * retry or fail IO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) #define DID_TRANSPORT_FAILFAST 0x0f /* Transport class fastfailed the io */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) #define DID_TARGET_FAILURE 0x10 /* Permanent target failure, do not retry on
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) * other paths */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) #define DID_NEXUS_FAILURE 0x11 /* Permanent nexus failure, retry on other
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) * paths might yield different results */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) #define DID_ALLOC_FAILURE 0x12 /* Space allocation on the device failed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) #define DID_MEDIUM_ERROR 0x13 /* Medium error */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) #define DRIVER_OK 0x00 /* Driver status */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) * These indicate the error that occurred, and what is available.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) #define DRIVER_BUSY 0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) #define DRIVER_SOFT 0x02
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) #define DRIVER_MEDIA 0x03
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) #define DRIVER_ERROR 0x04
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) #define DRIVER_INVALID 0x05
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) #define DRIVER_TIMEOUT 0x06
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) #define DRIVER_HARD 0x07
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) #define DRIVER_SENSE 0x08
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) * Internal return values.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) #define NEEDS_RETRY 0x2001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) #define SUCCESS 0x2002
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) #define FAILED 0x2003
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) #define QUEUED 0x2004
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) #define SOFT_ERROR 0x2005
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) #define ADD_TO_MLQUEUE 0x2006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) #define TIMEOUT_ERROR 0x2007
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) #define SCSI_RETURN_NOT_HANDLED 0x2008
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) #define FAST_IO_FAIL 0x2009
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) * Midlevel queue return values.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) #define SCSI_MLQUEUE_HOST_BUSY 0x1055
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) #define SCSI_MLQUEUE_DEVICE_BUSY 0x1056
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) #define SCSI_MLQUEUE_EH_RETRY 0x1057
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) #define SCSI_MLQUEUE_TARGET_BUSY 0x1058
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) * Use these to separate status msg and our bytes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) * These are set by:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) * status byte = set from target device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) * msg_byte = return status from host adapter itself.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) * host_byte = set by low-level driver to indicate status.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) * driver_byte = set by mid-level.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) #define status_byte(result) (((result) >> 1) & 0x7f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) #define msg_byte(result) (((result) >> 8) & 0xff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) #define host_byte(result) (((result) >> 16) & 0xff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) #define driver_byte(result) (((result) >> 24) & 0xff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) #define sense_class(sense) (((sense) >> 4) & 0x7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) #define sense_error(sense) ((sense) & 0xf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) #define sense_valid(sense) ((sense) & 0x80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) * default timeouts
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) #define FORMAT_UNIT_TIMEOUT (2 * 60 * 60 * HZ)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) #define START_STOP_TIMEOUT (60 * HZ)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) #define MOVE_MEDIUM_TIMEOUT (5 * 60 * HZ)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) #define READ_ELEMENT_STATUS_TIMEOUT (5 * 60 * HZ)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) #define READ_DEFECT_DATA_TIMEOUT (60 * HZ )
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) #define IDENTIFY_BASE 0x80
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) #define IDENTIFY(can_disconnect, lun) (IDENTIFY_BASE |\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) ((can_disconnect) ? 0x40 : 0) |\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) ((lun) & 0x07))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) * struct scsi_device::scsi_level values. For SCSI devices other than those
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) * prior to SCSI-2 (i.e. over 12 years old) this value is (resp[2] + 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) * where "resp" is a byte array of the response to an INQUIRY. The scsi_level
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) * variable is visible to the user via sysfs.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) #define SCSI_UNKNOWN 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) #define SCSI_1 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) #define SCSI_1_CCS 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) #define SCSI_2 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) #define SCSI_3 4 /* SPC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) #define SCSI_SPC_2 5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) #define SCSI_SPC_3 6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) * INQ PERIPHERAL QUALIFIERS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) #define SCSI_INQ_PQ_CON 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) #define SCSI_INQ_PQ_NOT_CON 0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) #define SCSI_INQ_PQ_NOT_CAP 0x03
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) * Here are some scsi specific ioctl commands which are sometimes useful.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) * Note that include/linux/cdrom.h also defines IOCTL 0x5300 - 0x5395
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) /* Used to obtain PUN and LUN info. Conflicts with CDROMAUDIOBUFSIZ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) #define SCSI_IOCTL_GET_IDLUN 0x5382
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) /* 0x5383 and 0x5384 were used for SCSI_IOCTL_TAGGED_{ENABLE,DISABLE} */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) /* Used to obtain the host number of a device. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) #define SCSI_IOCTL_PROBE_HOST 0x5385
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) /* Used to obtain the bus number for a device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) #define SCSI_IOCTL_GET_BUS_NUMBER 0x5386
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) /* Used to obtain the PCI location of a device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) #define SCSI_IOCTL_GET_PCI 0x5387
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) #endif /* _SCSI_SCSI_H */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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