[SCSI] lpfc 8.3.11: Driver management improvements via BSG

- Add BSG support for PCI loopback testing.
- Add BSG support for extended mailbox commands.

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index f8e88bb..feba3be 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -5059,6 +5059,8 @@
 
 	memset(phba->slim2p.virt, 0, SLI2_SLIM_SIZE);
 	phba->mbox = phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, mbx);
+	phba->mbox_ext = (phba->slim2p.virt +
+		offsetof(struct lpfc_sli2_slim, mbx_ext_words));
 	phba->pcb = (phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, pcb));
 	phba->IOCBs = (phba->slim2p.virt +
 		       offsetof(struct lpfc_sli2_slim, IOCBs));