[SCSI] bfa: Extend BSG interface.

- Added support to collect driver/fw stats.
- Added support to perform adapter/ioc enable, disable operations.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/bfa/bfa.h b/drivers/scsi/bfa/bfa.h
index 67742dca..c7cfc58 100644
--- a/drivers/scsi/bfa/bfa.h
+++ b/drivers/scsi/bfa/bfa.h
@@ -249,6 +249,7 @@
 	struct bfa_cb_qe_s	init_hcb_qe;
 	struct bfa_cb_qe_s	stop_hcb_qe;
 	struct bfa_cb_qe_s	dis_hcb_qe;
+	struct bfa_cb_qe_s	en_hcb_qe;
 	struct bfa_cb_qe_s	stats_hcb_qe;
 	bfa_boolean_t		cfgdone;