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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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