[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>

1 files changed, 12 insertions, 3 deletions

diff --git a/drivers/scsi/bfa/bfa_defs_svc.h b/drivers/scsi/bfa/bfa_defs_svc.h
index 76ea10d37ad7..18e4f6ba70d2 100644
--- a/drivers/scsi/bfa/bfa_defs_svc.h
+++ b/drivers/scsi/bfa/bfa_defs_svc.h
@@ -522,6 +522,14 @@ enum bfa_qos_bw_alloc {
         BFA_QOS_BW_LOW  =  10,  /*  bandwidth allocation for Low */
 };
 #pragma pack(1)
+
+struct bfa_qos_bw_s {
+        u8      qos_bw_set;
+        u8      high;
+        u8      med;
+        u8      low;
+};
+
 /*
  * QoS attribute returned in QoS Query
  */
@@ -529,7 +537,8 @@ struct bfa_qos_attr_s {
         u8      state;          /*  QoS current state */
         u8      rsvd1[3];
         u32     total_bb_cr;    /*  Total BB Credits */
-        u32     rsvd2[2];
+        struct bfa_qos_bw_s qos_bw;     /* QOS bw cfg */
+        struct bfa_qos_bw_s qos_bw_op;  /* QOS bw operational */
 };
 
 /*
@@ -887,7 +896,7 @@ struct bfa_port_cfg_s {
         u8       rsvd1;
         u16      path_tov;      /*  device path timeout */
         u16      q_depth;       /*  SCSI Queue depth            */
-        u32      rsvd2;
+        struct bfa_qos_bw_s qos_bw;     /* QOS bandwidth        */
 };
 #pragma pack()
 
@@ -935,7 +944,7 @@ struct bfa_port_attr_s {
 
         /* FCoE specific  */
         u16                     fcoe_vlan;
-        u8                      rsvd1[2];
+        u8                      rsvd1[6];
 };
 
 /*