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