[SCSI] bfa: Add support for user to configure bandwidth on QoS priorities

Made changes to provide an option for user to configure the
bandwidth percentage for High/Medium/Low QoS priorities.

Signed-off-by: Sudarsana Reddy Kalluru <skalluru@brocade.com>
Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/bfa/bfad_bsg.h b/drivers/scsi/bfa/bfad_bsg.h
index 62f1b88..b67a229 100644
--- a/drivers/scsi/bfa/bfad_bsg.h
+++ b/drivers/scsi/bfa/bfad_bsg.h
@@ -144,6 +144,7 @@
 	IOCMD_DIAG_DPORT_ENABLE,
 	IOCMD_DIAG_DPORT_DISABLE,
 	IOCMD_DIAG_DPORT_GET_STATE,
+	IOCMD_QOS_SET_BW,
 };
 
 struct bfa_bsg_gen_s {
@@ -704,6 +705,13 @@
 	struct bfa_qos_vc_attr_s attr;
 };
 
+struct bfa_bsg_qos_bw_s {
+	bfa_status_t	status;
+	u16		bfad_num;
+	u16		rsvd;
+	struct bfa_qos_bw_s qos_bw;
+};
+
 struct bfa_bsg_vf_stats_s {
 	bfa_status_t	status;
 	u16		bfad_num;