[16/40] scsi: add get_{status,host}_byte() accessor function

Message ID 20210427083046.31620-17-hare@suse.de
State New
Headers show
Series
  • SCSI result cleanup, part 2
Related show

Commit Message

Hannes Reinecke April 27, 2021, 8:30 a.m.
Add accessor functions for the host and status byte.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 include/scsi/scsi_cmnd.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

Patch

diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index a1eb7732aa1b..2c7b4102aa14 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -316,6 +316,11 @@  static inline void set_status_byte(struct scsi_cmnd *cmd, char status)
 	cmd->result = (cmd->result & 0xffffff00) | status;
 }
 
+static inline u8 get_status_byte(struct scsi_cmnd *cmd)
+{
+	return cmd->result & 0xff;
+}
+
 static inline void set_msg_byte(struct scsi_cmnd *cmd, char status)
 {
 	cmd->result = (cmd->result & 0xffff00ff) | (status << 8);
@@ -326,6 +331,11 @@  static inline void set_host_byte(struct scsi_cmnd *cmd, char status)
 	cmd->result = (cmd->result & 0xff00ffff) | (status << 16);
 }
 
+static inline u8 get_host_byte(struct scsi_cmnd *cmd)
+{
+	return (cmd->result >> 16) & 0xff;
+}
+
 
 static inline unsigned scsi_transfer_length(struct scsi_cmnd *scmd)
 {