1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/scsi/lpfc/lpfc_bsg.h b/drivers/scsi/lpfc/lpfc_bsg.h
index 5bc630819b9e..a2c33e7c9152 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.h
+++ b/drivers/scsi/lpfc/lpfc_bsg.h
@@ -91,11 +91,12 @@ struct get_mgmt_rev_reply {
         struct MgmtRevInfo info;
 };
 
+#define BSG_MBOX_SIZE 4096 /* mailbox command plus extended data */
 struct dfc_mbox_req {
         uint32_t command;
+        uint32_t mbOffset;
         uint32_t inExtWLen;
         uint32_t outExtWLen;
-        uint8_t mbOffset;
 };
 
 /* Used for menlo command or menlo data. The xri is only used for menlo data */