---

yaml
---
r: 229250
b: refs/heads/master
c: 1eba27e
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: db8b10167126d72829653690f57b9c7ca53c4d54
+refs/heads/master: 1eba27e87a85f6ed68905055bc9a7dbfb024c255

trunk/drivers/infiniband/hw/cxgb3/cxio_hal.c

@@ -189,7 +189,6 @@ int cxio_create_cq(struct cxio_rdev *rdev_p, struct t3_cq *cq, int kernel)
 	return (rdev_p->t3cdev_p->ctl(rdev_p->t3cdev_p, RDMA_CQ_SETUP, &setup));
 }
 
-#ifdef notyet
 int cxio_resize_cq(struct cxio_rdev *rdev_p, struct t3_cq *cq)
 {
 	struct rdma_cq_setup setup;
@@ -201,7 +200,6 @@ int cxio_resize_cq(struct cxio_rdev *rdev_p, struct t3_cq *cq)
 	setup.ovfl_mode = 1;
 	return (rdev_p->t3cdev_p->ctl(rdev_p->t3cdev_p, RDMA_CQ_SETUP, &setup));
 }
-#endif
 
 static u32 get_qpid(struct cxio_rdev *rdev_p, struct cxio_ucontext *uctx)
 {

trunk/drivers/infiniband/hw/cxgb3/iwch_provider.h

@@ -335,6 +335,8 @@ int iwch_post_terminate(struct iwch_qp *qhp, struct respQ_msg_t *rsp_msg);
 int iwch_post_zb_read(struct iwch_qp *qhp);
 int iwch_register_device(struct iwch_dev *dev);
 void iwch_unregister_device(struct iwch_dev *dev);
+int iwch_quiesce_qps(struct iwch_cq *chp);
+int iwch_resume_qps(struct iwch_cq *chp);
 void stop_read_rep_timer(struct iwch_qp *qhp);
 int iwch_register_mem(struct iwch_dev *rhp, struct iwch_pd *php,
 		      struct iwch_mr *mhp, int shift);

trunk/drivers/infiniband/hw/cxgb3/iwch_qp.c

@@ -1149,3 +1149,59 @@ int iwch_modify_qp(struct iwch_dev *rhp, struct iwch_qp *qhp,
 	PDBG("%s exit state %d\n", __func__, qhp->attr.state);
 	return ret;
 }
+
+static int quiesce_qp(struct iwch_qp *qhp)
+{
+	spin_lock_irq(&qhp->lock);
+	iwch_quiesce_tid(qhp->ep);
+	qhp->flags |= QP_QUIESCED;
+	spin_unlock_irq(&qhp->lock);
+	return 0;
+}
+
+static int resume_qp(struct iwch_qp *qhp)
+{
+	spin_lock_irq(&qhp->lock);
+	iwch_resume_tid(qhp->ep);
+	qhp->flags &= ~QP_QUIESCED;
+	spin_unlock_irq(&qhp->lock);
+	return 0;
+}
+
+int iwch_quiesce_qps(struct iwch_cq *chp)
+{
+	int i;
+	struct iwch_qp *qhp;
+
+	for (i=0; i < T3_MAX_NUM_QP; i++) {
+		qhp = get_qhp(chp->rhp, i);
+		if (!qhp)
+			continue;
+		if ((qhp->attr.rcq == chp->cq.cqid) && !qp_quiesced(qhp)) {
+			quiesce_qp(qhp);
+			continue;
+		}
+		if ((qhp->attr.scq == chp->cq.cqid) && !qp_quiesced(qhp))
+			quiesce_qp(qhp);
+	}
+	return 0;
+}
+
+int iwch_resume_qps(struct iwch_cq *chp)
+{
+	int i;
+	struct iwch_qp *qhp;
+
+	for (i=0; i < T3_MAX_NUM_QP; i++) {
+		qhp = get_qhp(chp->rhp, i);
+		if (!qhp)
+			continue;
+		if ((qhp->attr.rcq == chp->cq.cqid) && qp_quiesced(qhp)) {
+			resume_qp(qhp);
+			continue;
+		}
+		if ((qhp->attr.scq == chp->cq.cqid) && qp_quiesced(qhp))
+			resume_qp(qhp);
+	}
+	return 0;
+}

trunk/drivers/infiniband/hw/cxgb4/iw_cxgb4.h

@@ -760,6 +760,7 @@ int c4iw_flush_rq(struct t4_wq *wq, struct t4_cq *cq, int count);
 int c4iw_flush_sq(struct t4_wq *wq, struct t4_cq *cq, int count);
 int c4iw_ev_handler(struct c4iw_dev *rnicp, u32 qid);
 u16 c4iw_rqes_posted(struct c4iw_qp *qhp);
+int c4iw_post_zb_read(struct c4iw_qp *qhp);
 int c4iw_post_terminate(struct c4iw_qp *qhp, struct t4_cqe *err_cqe);
 u32 c4iw_get_cqid(struct c4iw_rdev *rdev, struct c4iw_dev_ucontext *uctx);
 void c4iw_put_cqid(struct c4iw_rdev *rdev, u32 qid,

trunk/drivers/infiniband/hw/cxgb4/qp.c

@@ -892,6 +892,36 @@ static inline void build_term_codes(struct t4_cqe *err_cqe, u8 *layer_type,
 	}
 }
 
+int c4iw_post_zb_read(struct c4iw_qp *qhp)
+{
+	union t4_wr *wqe;
+	struct sk_buff *skb;
+	u8 len16;
+
+	PDBG("%s enter\n", __func__);
+	skb = alloc_skb(40, GFP_KERNEL);
+	if (!skb) {
+		printk(KERN_ERR "%s cannot send zb_read!!\n", __func__);
+		return -ENOMEM;
+	}
+	set_wr_txq(skb, CPL_PRIORITY_DATA, qhp->ep->txq_idx);
+
+	wqe = (union t4_wr *)skb_put(skb, sizeof wqe->read);
+	memset(wqe, 0, sizeof wqe->read);
+	wqe->read.r2 = cpu_to_be64(0);
+	wqe->read.stag_sink = cpu_to_be32(1);
+	wqe->read.to_sink_hi = cpu_to_be32(0);
+	wqe->read.to_sink_lo = cpu_to_be32(1);
+	wqe->read.stag_src = cpu_to_be32(1);
+	wqe->read.plen = cpu_to_be32(0);
+	wqe->read.to_src_hi = cpu_to_be32(0);
+	wqe->read.to_src_lo = cpu_to_be32(1);
+	len16 = DIV_ROUND_UP(sizeof wqe->read, 16);
+	init_wr_hdr(wqe, 0, FW_RI_RDMA_READ_WR, FW_RI_COMPLETION_FLAG, len16);
+
+	return c4iw_ofld_send(&qhp->rhp->rdev, skb);
+}
+
 static void post_terminate(struct c4iw_qp *qhp, struct t4_cqe *err_cqe,
 			   gfp_t gfp)
 {
@@ -999,6 +1029,7 @@ static int rdma_fini(struct c4iw_dev *rhp, struct c4iw_qp *qhp,
 	wqe->cookie = (unsigned long) &ep->com.wr_wait;
 
 	wqe->u.fini.type = FW_RI_TYPE_FINI;
+	c4iw_init_wr_wait(&ep->com.wr_wait);
 	ret = c4iw_ofld_send(&rhp->rdev, skb);
 	if (ret)
 		goto out;
@@ -1094,6 +1125,7 @@ static int rdma_init(struct c4iw_dev *rhp, struct c4iw_qp *qhp)
 	if (qhp->attr.mpa_attr.initiator)
 		build_rtr_msg(qhp->attr.mpa_attr.p2p_type, &wqe->u.init);
 
+	c4iw_init_wr_wait(&qhp->ep->com.wr_wait);
 	ret = c4iw_ofld_send(&rhp->rdev, skb);
 	if (ret)
 		goto out;

trunk/drivers/infiniband/hw/ipath/ipath_driver.c

@@ -530,9 +530,8 @@ static int __devinit ipath_init_one(struct pci_dev *pdev,
 	for (j = 0; j < 6; j++) {
 		if (!pdev->resource[j].start)
 			continue;
-		ipath_cdbg(VERBOSE, "BAR %d start %llx, end %llx, len %llx\n",
-			   j, (unsigned long long)pdev->resource[j].start,
-			   (unsigned long long)pdev->resource[j].end,
+		ipath_cdbg(VERBOSE, "BAR %d %pR, len %llx\n",
+			   j, &pdev->resource[j],
 			   (unsigned long long)pci_resource_len(pdev, j));
 	}