diff options
| author | Bart Van Assche <bvanassche@acm.org> | 2021-05-23 19:54:56 -0700 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-06-02 23:09:39 -0400 |
| commit | 149d0e489e807f1e6dc265f975a793cea11ecbea (patch) | |
| tree | a0e16e90e239694ff6a13f0551dd55a07be67985 /include/scsi/scsi_status.h | |
| parent | d377f415dddc18b33c88dcd41cfe4fe6d9db82fb (diff) | |
scsi: core: Introduce enums for the SAM and host status codes
Make it possible for the compiler to verify whether SAM and host
status codes are used correctly.
[mkp: resolve conflicts with Hannes' SCSI result series]
Link: https://lore.kernel.org/r/20210524025457.11299-3-bvanassche@acm.org
Cc: Hannes Reinecke <hare@suse.com>
Reviewed-by: John Garry <john.garry@huawei.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'include/scsi/scsi_status.h')
| -rw-r--r-- | include/scsi/scsi_status.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/include/scsi/scsi_status.h b/include/scsi/scsi_status.h new file mode 100644 index 000000000000..31d30cee1869 --- /dev/null +++ b/include/scsi/scsi_status.h @@ -0,0 +1,74 @@ +/* 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 */ + DID_TARGET_FAILURE = 0x10, /* Permanent target failure, do not retry on + * other paths */ + DID_NEXUS_FAILURE = 0x11, /* Permanent nexus failure, retry on other + * paths might yield different results */ + DID_ALLOC_FAILURE = 0x12, /* Space allocation on the device failed */ + DID_MEDIUM_ERROR = 0x13, /* Medium error */ + DID_TRANSPORT_MARGINAL = 0x14, /* Transport marginal errors */ +}; + +#endif /* _SCSI_SCSI_STATUS_H */ |