Add enum for driver byte codes and adopt set_driver_byte()'s
signature.
Signed-off-by: Johannes Thumshirn <jthumshirn@xxxxxxx>
Suggested-by: Bart Van Assche <Bart.VanAssche@xxxxxxx>
---
include/scsi/scsi.h | 33 ++++++++++++++++++++-------------
include/scsi/scsi_cmnd.h | 3 ++-
2 files changed, 22 insertions(+), 14 deletions(-)
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index 4dfc5e11a5b2..2694faafaddf 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -161,21 +161,24 @@ enum scsi_host_byte {
DID_ALLOC_FAILURE, /* Space allocation on the device failed */
DID_MEDIUM_ERROR, /* Medium error */
};
-#define DRIVER_OK 0x00 /* Driver status */
-/*
- * These indicate the error that occurred, and what is available.
- */
+enum scsi_driver_byte {
+ DRIVER_OK, /* Driver status */
-#define DRIVER_BUSY 0x01
-#define DRIVER_SOFT 0x02
-#define DRIVER_MEDIA 0x03
-#define DRIVER_ERROR 0x04
+ /*
+ * These indicate the error that occurred, and what is available.
+ */
-#define DRIVER_INVALID 0x05
-#define DRIVER_TIMEOUT 0x06
-#define DRIVER_HARD 0x07
-#define DRIVER_SENSE 0x08
+ DRIVER_BUSY,
+ DRIVER_SOFT,
+ DRIVER_MEDIA,
+ DRIVER_ERROR,
+
+ DRIVER_INVALID,
+ DRIVER_TIMEOUT,
+ DRIVER_HARD,
+ DRIVER_SENSE,
+};
/*
* Internal return values.
@@ -215,7 +218,11 @@ static inline enum scsi_host_byte host_byte(int result)
{
return (result >> 16) & 0xff;
}
-#define driver_byte(result) (((result) >> 24) & 0xff)
+
+static inline enum scsi_driver_byte driver_byte(int result)
+{
+ return (result >> 24) & 0xff;
+}
#define sense_class(sense) (((sense) >> 4) & 0x7)
#define sense_error(sense) ((sense) & 0xf)
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index b678cd99b12b..da8ea89ccc0a 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -348,7 +348,8 @@ static inline void set_host_byte(struct scsi_cmnd *cmd,
cmd->result = (cmd->result & 0xff00ffff) | (status << 16);
}
-static inline void set_driver_byte(struct scsi_cmnd *cmd, char status)
+static inline void set_driver_byte(struct scsi_cmnd *cmd,
+ enum scsi_driver_byte status)
{
cmd->result = (cmd->result & 0x00ffffff) | (status << 24);
}
--
2.16.3
