| /* 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 */ |
