2021-05-24 10:54:56 +08:00
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _SCSI_SCSI_STATUS_H
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#define _SCSI_SCSI_STATUS_H
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#include <linux/types.h>
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#include <scsi/scsi_proto.h>
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/* Message codes. */
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enum scsi_msg_byte {
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COMMAND_COMPLETE = 0x00,
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EXTENDED_MESSAGE = 0x01,
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SAVE_POINTERS = 0x02,
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RESTORE_POINTERS = 0x03,
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DISCONNECT = 0x04,
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INITIATOR_ERROR = 0x05,
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ABORT_TASK_SET = 0x06,
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MESSAGE_REJECT = 0x07,
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NOP = 0x08,
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MSG_PARITY_ERROR = 0x09,
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LINKED_CMD_COMPLETE = 0x0a,
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LINKED_FLG_CMD_COMPLETE = 0x0b,
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TARGET_RESET = 0x0c,
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ABORT_TASK = 0x0d,
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CLEAR_TASK_SET = 0x0e,
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INITIATE_RECOVERY = 0x0f, /* SCSI-II only */
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RELEASE_RECOVERY = 0x10, /* SCSI-II only */
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TERMINATE_IO_PROC = 0x11, /* SCSI-II only */
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CLEAR_ACA = 0x16,
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LOGICAL_UNIT_RESET = 0x17,
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SIMPLE_QUEUE_TAG = 0x20,
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HEAD_OF_QUEUE_TAG = 0x21,
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ORDERED_QUEUE_TAG = 0x22,
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IGNORE_WIDE_RESIDUE = 0x23,
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ACA = 0x24,
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QAS_REQUEST = 0x55,
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/* Old SCSI2 names, don't use in new code */
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BUS_DEVICE_RESET = TARGET_RESET,
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ABORT = ABORT_TASK_SET,
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};
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/* Host byte codes. */
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enum scsi_host_status {
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DID_OK = 0x00, /* NO error */
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DID_NO_CONNECT = 0x01, /* Couldn't connect before timeout period */
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DID_BUS_BUSY = 0x02, /* BUS stayed busy through time out period */
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DID_TIME_OUT = 0x03, /* TIMED OUT for other reason */
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DID_BAD_TARGET = 0x04, /* BAD target. */
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DID_ABORT = 0x05, /* Told to abort for some other reason */
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DID_PARITY = 0x06, /* Parity error */
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DID_ERROR = 0x07, /* Internal error */
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DID_RESET = 0x08, /* Reset by somebody. */
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DID_BAD_INTR = 0x09, /* Got an interrupt we weren't expecting. */
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DID_PASSTHROUGH = 0x0a, /* Force command past mid-layer */
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DID_SOFT_ERROR = 0x0b, /* The low level driver just wish a retry */
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DID_IMM_RETRY = 0x0c, /* Retry without decrementing retry count */
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DID_REQUEUE = 0x0d, /* Requeue command (no immediate retry) also
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* without decrementing the retry count */
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DID_TRANSPORT_DISRUPTED = 0x0e, /* Transport error disrupted execution
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* and the driver blocked the port to
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* recover the link. Transport class will
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* retry or fail IO */
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DID_TRANSPORT_FAILFAST = 0x0f, /* Transport class fastfailed the io */
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2022-08-12 09:00:27 +08:00
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/*
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* We used to have DID_TARGET_FAILURE, DID_NEXUS_FAILURE,
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* DID_ALLOC_FAILURE and DID_MEDIUM_ERROR at 0x10 - 0x13. For compat
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* with userspace apps that parse the host byte for SG IO, we leave
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* that block of codes unused and start at 0x14 below.
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*/
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2021-05-24 10:54:56 +08:00
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DID_TRANSPORT_MARGINAL = 0x14, /* Transport marginal errors */
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};
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#endif /* _SCSI_SCSI_STATUS_H */
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