--- zzzz-none-000/linux-3.10.107/drivers/infiniband/hw/qib/qib_verbs.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/infiniband/hw/qib/qib_verbs.c	2021-02-04 17:41:59.000000000 +0000
@@ -362,8 +362,8 @@
 	 * undefined operations.
 	 * Make sure buffer is large enough to hold the result for atomics.
 	 */
-	if (wr->opcode == IB_WR_FAST_REG_MR) {
-		if (qib_fast_reg_mr(qp, wr))
+	if (wr->opcode == IB_WR_REG_MR) {
+		if (qib_reg_mr(qp, reg_wr(wr)))
 			goto bail_inval;
 	} else if (qp->ibqp.qp_type == IB_QPT_UC) {
 		if ((unsigned) wr->opcode >= IB_WR_RDMA_READ)
@@ -374,7 +374,7 @@
 		    wr->opcode != IB_WR_SEND_WITH_IMM)
 			goto bail_inval;
 		/* Check UD destination address PD */
-		if (qp->ibqp.pd != wr->wr.ud.ah->pd)
+		if (qp->ibqp.pd != ud_wr(wr)->ah->pd)
 			goto bail_inval;
 	} else if ((unsigned) wr->opcode > IB_WR_ATOMIC_FETCH_AND_ADD)
 		goto bail_inval;
@@ -397,7 +397,23 @@
 	rkt = &to_idev(qp->ibqp.device)->lk_table;
 	pd = to_ipd(qp->ibqp.pd);
 	wqe = get_swqe_ptr(qp, qp->s_head);
-	wqe->wr = *wr;
+
+	if (qp->ibqp.qp_type != IB_QPT_UC &&
+	    qp->ibqp.qp_type != IB_QPT_RC)
+		memcpy(&wqe->ud_wr, ud_wr(wr), sizeof(wqe->ud_wr));
+	else if (wr->opcode == IB_WR_REG_MR)
+		memcpy(&wqe->reg_wr, reg_wr(wr),
+			sizeof(wqe->reg_wr));
+	else if (wr->opcode == IB_WR_RDMA_WRITE_WITH_IMM ||
+		 wr->opcode == IB_WR_RDMA_WRITE ||
+		 wr->opcode == IB_WR_RDMA_READ)
+		memcpy(&wqe->rdma_wr, rdma_wr(wr), sizeof(wqe->rdma_wr));
+	else if (wr->opcode == IB_WR_ATOMIC_CMP_AND_SWP ||
+		 wr->opcode == IB_WR_ATOMIC_FETCH_AND_ADD)
+		memcpy(&wqe->atomic_wr, atomic_wr(wr), sizeof(wqe->atomic_wr));
+	else
+		memcpy(&wqe->wr, wr, sizeof(wqe->wr));
+
 	wqe->length = 0;
 	j = 0;
 	if (wr->num_sge) {
@@ -426,7 +442,7 @@
 				  qp->port_num - 1)->ibmtu)
 		goto bail_inval_free;
 	else
-		atomic_inc(&to_iah(wr->wr.ud.ah)->refcount);
+		atomic_inc(&to_iah(ud_wr(wr)->ah)->refcount);
 	wqe->ssn = qp->s_ssn++;
 	qp->s_head = next;
 
@@ -646,9 +662,11 @@
 	} else
 		goto drop;
 
-	opcode = be32_to_cpu(ohdr->bth[0]) >> 24;
-	ibp->opstats[opcode & 0x7f].n_bytes += tlen;
-	ibp->opstats[opcode & 0x7f].n_packets++;
+	opcode = (be32_to_cpu(ohdr->bth[0]) >> 24) & 0x7f;
+#ifdef CONFIG_DEBUG_FS
+	rcd->opstats->stats[opcode].n_bytes += tlen;
+	rcd->opstats->stats[opcode].n_packets++;
+#endif
 
 	/* Get the destination QP number. */
 	qp_num = be32_to_cpu(ohdr->bth[1]) & QIB_QPN_MASK;
@@ -661,7 +679,7 @@
 		mcast = qib_mcast_find(ibp, &hdr->u.l.grh.dgid);
 		if (mcast == NULL)
 			goto drop;
-		ibp->n_multicast_rcv++;
+		this_cpu_inc(ibp->pmastats->n_multicast_rcv);
 		list_for_each_entry_rcu(p, &mcast->qp_list, list)
 			qib_qp_rcv(rcd, hdr, 1, data, tlen, p->qp);
 		/*
@@ -677,8 +695,8 @@
 					&rcd->lookaside_qp->refcount))
 					wake_up(
 					 &rcd->lookaside_qp->wait);
-					rcd->lookaside_qp = NULL;
-				}
+				rcd->lookaside_qp = NULL;
+			}
 		}
 		if (!rcd->lookaside_qp) {
 			qp = qib_lookup_qpn(ibp, qp_num);
@@ -688,7 +706,7 @@
 			rcd->lookaside_qpn = qp_num;
 		} else
 			qp = rcd->lookaside_qp;
-		ibp->n_unicast_rcv++;
+		this_cpu_inc(ibp->pmastats->n_unicast_rcv);
 		qib_qp_rcv(rcd, hdr, lnh == QIB_LRH_GRH, data, tlen, qp);
 	}
 	return;
@@ -1341,6 +1359,7 @@
 done:
 	if (dd->flags & QIB_USE_SPCL_TRIG) {
 		u32 spcl_off = (pbufn >= dd->piobcnt2k) ? 2047 : 1023;
+
 		qib_flush_wc();
 		__raw_writel(0xaebecede, piobuf_orig + spcl_off);
 	}
@@ -1548,12 +1567,14 @@
 	}
 }
 
-static int qib_query_device(struct ib_device *ibdev,
-			    struct ib_device_attr *props)
+static int qib_query_device(struct ib_device *ibdev, struct ib_device_attr *props,
+			    struct ib_udata *uhw)
 {
 	struct qib_devdata *dd = dd_from_ibdev(ibdev);
 	struct qib_ibdev *dev = to_idev(ibdev);
 
+	if (uhw->inlen || uhw->outlen)
+		return -EINVAL;
 	memset(props, 0, sizeof(*props));
 
 	props->device_cap_flags = IB_DEVICE_BAD_PKEY_CNTR |
@@ -1570,6 +1591,7 @@
 	props->max_qp = ib_qib_max_qps;
 	props->max_qp_wr = ib_qib_max_qp_wrs;
 	props->max_sge = ib_qib_max_sges;
+	props->max_sge_rd = ib_qib_max_sges;
 	props->max_cq = ib_qib_max_cqs;
 	props->max_ah = ib_qib_max_ahs;
 	props->max_cqe = ib_qib_max_cqes;
@@ -1743,7 +1765,7 @@
 	 * we allow allocations of more than we report for this value.
 	 */
 
-	pd = kmalloc(sizeof *pd, GFP_KERNEL);
+	pd = kmalloc(sizeof(*pd), GFP_KERNEL);
 	if (!pd) {
 		ret = ERR_PTR(-ENOMEM);
 		goto bail;
@@ -1828,7 +1850,7 @@
 		goto bail;
 	}
 
-	ah = kmalloc(sizeof *ah, GFP_ATOMIC);
+	ah = kmalloc(sizeof(*ah), GFP_ATOMIC);
 	if (!ah) {
 		ret = ERR_PTR(-ENOMEM);
 		goto bail;
@@ -1861,7 +1883,7 @@
 	struct ib_ah *ah = ERR_PTR(-EINVAL);
 	struct qib_qp *qp0;
 
-	memset(&attr, 0, sizeof attr);
+	memset(&attr, 0, sizeof(attr));
 	attr.dlid = dlid;
 	attr.port_num = ppd_from_ibp(ibp)->port;
 	rcu_read_lock();
@@ -1976,7 +1998,7 @@
 	struct qib_ucontext *context;
 	struct ib_ucontext *ret;
 
-	context = kmalloc(sizeof *context, GFP_KERNEL);
+	context = kmalloc(sizeof(*context), GFP_KERNEL);
 	if (!context) {
 		ret = ERR_PTR(-ENOMEM);
 		goto bail;
@@ -2038,6 +2060,24 @@
 	RCU_INIT_POINTER(ibp->qp1, NULL);
 }
 
+static int qib_port_immutable(struct ib_device *ibdev, u8 port_num,
+			      struct ib_port_immutable *immutable)
+{
+	struct ib_port_attr attr;
+	int err;
+
+	err = qib_query_port(ibdev, port_num, &attr);
+	if (err)
+		return err;
+
+	immutable->pkey_tbl_len = attr.pkey_tbl_len;
+	immutable->gid_tbl_len = attr.gid_tbl_len;
+	immutable->core_cap_flags = RDMA_CORE_PORT_IBA_IB;
+	immutable->max_mad_size = IB_MGMT_MAD_SIZE;
+
+	return 0;
+}
+
 /**
  * qib_register_ib_device - register our device with the infiniband core
  * @dd: the device data structure
@@ -2053,7 +2093,9 @@
 
 	dev->qp_table_size = ib_qib_qp_table_size;
 	get_random_bytes(&dev->qp_rnd, sizeof(dev->qp_rnd));
-	dev->qp_table = kmalloc(dev->qp_table_size * sizeof *dev->qp_table,
+	dev->qp_table = kmalloc_array(
+				dev->qp_table_size,
+				sizeof(*dev->qp_table),
 				GFP_KERNEL);
 	if (!dev->qp_table) {
 		ret = -ENOMEM;
@@ -2127,7 +2169,7 @@
 	for (i = 0; i < ppd->sdma_descq_cnt; i++) {
 		struct qib_verbs_txreq *tx;
 
-		tx = kzalloc(sizeof *tx, GFP_KERNEL);
+		tx = kzalloc(sizeof(*tx), GFP_KERNEL);
 		if (!tx) {
 			ret = -ENOMEM;
 			goto err_tx;
@@ -2217,9 +2259,8 @@
 	ibdev->reg_phys_mr = qib_reg_phys_mr;
 	ibdev->reg_user_mr = qib_reg_user_mr;
 	ibdev->dereg_mr = qib_dereg_mr;
-	ibdev->alloc_fast_reg_mr = qib_alloc_fast_reg_mr;
-	ibdev->alloc_fast_reg_page_list = qib_alloc_fast_reg_page_list;
-	ibdev->free_fast_reg_page_list = qib_free_fast_reg_page_list;
+	ibdev->alloc_mr = qib_alloc_mr;
+	ibdev->map_mr_sg = qib_map_mr_sg;
 	ibdev->alloc_fmr = qib_alloc_fmr;
 	ibdev->map_phys_fmr = qib_map_phys_fmr;
 	ibdev->unmap_fmr = qib_unmap_fmr;
@@ -2229,6 +2270,7 @@
 	ibdev->process_mad = qib_process_mad;
 	ibdev->mmap = qib_mmap;
 	ibdev->dma_ops = &qib_dma_mapping_ops;
+	ibdev->get_port_immutable = qib_port_immutable;
 
 	snprintf(ibdev->node_desc, sizeof(ibdev->node_desc),
 		 "Intel Infiniband HCA %s", init_utsname()->nodename);