qed: IOV db support multiple queues per qzone

Allow the infrastructure a PF maintains for each one of its VFs
to support multiple queue-cids on a single queue-zone.
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/qlogic/qed/qed_l2.c

@@ -218,6 +218,7 @@ _qed_eth_queue_to_cid(struct qed_hwfn *p_hwfn,
 		      u16 opaque_fid,
 		      u32 cid,
 		      struct qed_queue_start_common_params *p_params,
+		      bool b_is_rx,
 		      struct qed_queue_cid_vf_params *p_vf_params)
 {
 	struct qed_queue_cid *p_cid;
@@ -237,6 +238,7 @@ _qed_eth_queue_to_cid(struct qed_hwfn *p_hwfn,
 	p_cid->rel.queue_id = p_params->queue_id;
 	p_cid->rel.stats_id = p_params->stats_id;
 	p_cid->sb_igu_id = p_params->p_sb->igu_sb_id;
+	p_cid->b_is_rx = b_is_rx;
 	p_cid->sb_idx = p_params->sb_idx;
 
 	/* Fill-in bits related to VFs' queues if information was provided */
@@ -313,6 +315,7 @@ struct qed_queue_cid *
 qed_eth_queue_to_cid(struct qed_hwfn *p_hwfn,
 		     u16 opaque_fid,
 		     struct qed_queue_start_common_params *p_params,
+		     bool b_is_rx,
 		     struct qed_queue_cid_vf_params *p_vf_params)
 {
 	struct qed_queue_cid *p_cid;
@@ -334,7 +337,7 @@ qed_eth_queue_to_cid(struct qed_hwfn *p_hwfn,
 	}
 
 	p_cid = _qed_eth_queue_to_cid(p_hwfn, opaque_fid, cid,
-				      p_params, p_vf_params);
+				      p_params, b_is_rx, p_vf_params);
 	if (!p_cid && IS_PF(p_hwfn->cdev) && !b_legacy_vf)
 		qed_cxt_release_cid(p_hwfn, cid);
 
@@ -344,9 +347,10 @@ qed_eth_queue_to_cid(struct qed_hwfn *p_hwfn,
 static struct qed_queue_cid *
 qed_eth_queue_to_cid_pf(struct qed_hwfn *p_hwfn,
 			u16 opaque_fid,
+			bool b_is_rx,
 			struct qed_queue_start_common_params *p_params)
 {
-	return qed_eth_queue_to_cid(p_hwfn, opaque_fid, p_params,
+	return qed_eth_queue_to_cid(p_hwfn, opaque_fid, p_params, b_is_rx,
 				    NULL);
 }
 
@@ -929,7 +933,7 @@ qed_eth_rx_queue_start(struct qed_hwfn *p_hwfn,
 	int rc;
 
 	/* Allocate a CID for the queue */
-	p_cid = qed_eth_queue_to_cid_pf(p_hwfn, opaque_fid, p_params);
+	p_cid = qed_eth_queue_to_cid_pf(p_hwfn, opaque_fid, true, p_params);
 	if (!p_cid)
 		return -ENOMEM;
 
@@ -1134,7 +1138,7 @@ qed_eth_tx_queue_start(struct qed_hwfn *p_hwfn,
 	struct qed_queue_cid *p_cid;
 	int rc;
 
-	p_cid = qed_eth_queue_to_cid_pf(p_hwfn, opaque_fid, p_params);
+	p_cid = qed_eth_queue_to_cid_pf(p_hwfn, opaque_fid, false, p_params);
 	if (!p_cid)
 		return -EINVAL;
 

drivers/net/ethernet/qlogic/qed/qed_l2.h

@@ -322,6 +322,8 @@ struct qed_queue_cid {
 	u32 cid;
 	u16 opaque_fid;
 
+	bool b_is_rx;
+
 	/* VFs queues are mapped differently, so we need to know the
 	 * relative queue associated with them [0-based].
 	 * Notice this is relevant on the *PF* queue-cid of its VF's queues,
@@ -354,6 +356,7 @@ struct qed_queue_cid *
 qed_eth_queue_to_cid(struct qed_hwfn *p_hwfn,
 		     u16 opaque_fid,
 		     struct qed_queue_start_common_params *p_params,
+		     bool b_is_rx,
 		     struct qed_queue_cid_vf_params *p_vf_params);
 
 int

drivers/net/ethernet/qlogic/qed/qed_sriov.h

@@ -152,12 +152,17 @@ struct qed_iov_vf_mbx {
 #define QED_IOV_LEGACY_QID_RX (0)
 #define QED_IOV_LEGACY_QID_TX (1)
 
-struct qed_vf_q_info {
+struct qed_vf_queue_cid {
+	bool b_is_tx;
+	struct qed_queue_cid *p_cid;
+};
+
+/* Describes a qzone associated with the VF */
+struct qed_vf_queue {
 	u16 fw_rx_qid;
-	struct qed_queue_cid *p_rx_cid;
 	u16 fw_tx_qid;
-	struct qed_queue_cid *p_tx_cid;
-	u8 fw_cid;
+
+	struct qed_vf_queue_cid cids[MAX_QUEUES_PER_QZONE];
 };
 
 enum vf_state {
@@ -215,7 +220,8 @@ struct qed_vf_info {
 
 	u8 num_mac_filters;
 	u8 num_vlan_filters;
-	struct qed_vf_q_info vf_queues[QED_MAX_VF_CHAINS_PER_PF];
+
+	struct qed_vf_queue vf_queues[QED_MAX_VF_CHAINS_PER_PF];
 	u16 igu_sbs[QED_MAX_VF_CHAINS_PER_PF];
 	u8 num_active_rxqs;
 	struct qed_public_vf_info p_vf_info;