aboutsummaryrefslogtreecommitdiffstats
path: root/include/scsi/scsi.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/scsi/scsi.h')
-rw-r--r--include/scsi/scsi.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index 6dc2d1b3735e..57f0ca00ddda 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -62,6 +62,21 @@ static inline int scsi_is_wlun(u64 lun)
return (lun & 0xff00) == SCSI_W_LUN_BASE;
}
+/**
+ * scsi_status_is_check_condition - check the status return.
+ *
+ * @status: the status passed up from the driver (including host and
+ * driver components)
+ *
+ * This returns true if the status code is SAM_STAT_CHECK_CONDITION.
+ */
+static inline int scsi_status_is_check_condition(int status)
+{
+ if (status < 0)
+ return false;
+ status &= 0xfe;
+ return status == SAM_STAT_CHECK_CONDITION;
+}
/*
* MESSAGE CODES