diff mbox series

[25/52] scsi: introduce scsi_build_sense()

Message ID 20191104090151.129140-26-hare@suse.de (mailing list archive)
State Deferred
Headers show
Series Revamp SCSI result values | expand

Commit Message

Hannes Reinecke Nov. 4, 2019, 9:01 a.m. UTC 
Introduce scsi_build_sense() as a wrapper around
scsi_build_sense_buffer() to format the buffer and set
the correct SCSI status.

Signed-off-by: Hannes Reinecke <hare@suse.de>
---
 drivers/scsi/scsi_lib.c  | 18 ++++++++++++++++++
 include/scsi/scsi_cmnd.h |  3 +++
 2 files changed, 21 insertions(+)

Comments

Bart Van Assche Nov. 4, 2019, 5:47 p.m. UTC | #1 
On 11/4/19 1:01 AM, Hannes Reinecke wrote:
> Introduce scsi_build_sense() as a wrapper around
> scsi_build_sense_buffer() to format the buffer and set
> the correct SCSI status.

Reviewed-by: Bart Van Assche <bvanassche@acm.org>
diff mbox series

Patch

diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index a0db8d8766a8..2babf6df8066 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -3117,3 +3117,21 @@  int scsi_vpd_tpg_id(struct scsi_device *sdev, int *rel_id)
 	return group_id;
 }
 EXPORT_SYMBOL(scsi_vpd_tpg_id);
+
+/**
+ * scsi_build_sense - build sense data for a command
+ * @scmd:	scsi command for which the sense should be formatted
+ * @desc:	Sense format (non-zero == descriptor format,
+ *              0 == fixed format)
+ * @key:	Sense key
+ * @asc:	Additional sense code
+ * @ascq:	Additional sense code qualifier
+ *
+ **/
+void scsi_build_sense(struct scsi_cmnd *scmd, int desc, u8 key, u8 asc, u8 ascq)
+{
+	scsi_build_sense_buffer(desc, scmd->sense_buffer, key, asc, ascq);
+	scmd->result = (DRIVER_SENSE << 24) | (DID_OK << 16) |
+		SAM_STAT_CHECK_CONDITION;
+}
+EXPORT_SYMBOL_GPL(scsi_build_sense);
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 6932d91472d5..9b9ca629097d 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -338,4 +338,7 @@  static inline unsigned scsi_transfer_length(struct scsi_cmnd *scmd)
 	return xfer_len;
 }
 
+extern void scsi_build_sense(struct scsi_cmnd *scmd, int desc,
+			     u8 key, u8 asc, u8 ascq);
+
 #endif /* _SCSI_SCSI_CMND_H */