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-rw-r--r--include/scsi/scsi_status.h74
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 000000000..9cb85262d
--- /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 */
+ /*
+ * 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 */