diff mbox series

[17/42] scsi: add translate_msg_byte()

Message ID 20210421174749.11221-18-hare@suse.de
State Superseded
Headers show
Series SCSI result cleanup, part 2 | expand

Commit Message

Hannes Reinecke April 21, 2021, 5:47 p.m. UTC 
Add helper to convert message byte into a host byte code.

Signed-off-by: Hannes Reinecke <hare@suse.de>
---
 include/scsi/scsi_cmnd.h | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
diff mbox series

Patch

diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 7089617911e1..a0458f0dba14 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -341,6 +341,23 @@  static inline bool scsi_result_is_good(struct scsi_cmnd *cmd)
 	return (cmd->result == 0);
 }
 
+static inline void translate_msg_byte(struct scsi_cmnd *cmd, u8 msg)
+{
+	switch (msg) {
+	case COMMAND_COMPLETE:
+		break;
+	case ABORT_TASK_SET:
+		set_host_byte(cmd, DID_ABORT);
+		break;
+	case TARGET_RESET:
+		set_host_byte(cmd, DID_RESET);
+		break;
+	default:
+		set_host_byte(cmd, DID_ERROR);
+		break;
+	}
+}
+
 static inline unsigned scsi_transfer_length(struct scsi_cmnd *scmd)
 {
 	unsigned int xfer_len = scmd->sdb.length;