1 files changed, 115 insertions, 54 deletions

diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c
index 84d435a5ee1..e2bd62be11e 100644
--- a/drivers/infiniband/hw/ehca/ehca_qp.c
+++ b/drivers/infiniband/hw/ehca/ehca_qp.c
@@ -273,6 +273,7 @@ static inline void queue2resp(struct ipzu_queue_resp *resp,
 	resp->queue_length = queue->queue_length;
 	resp->pagesize = queue->pagesize;
 	resp->toggle_state = queue->toggle_state;
+	resp->offset = queue->offset;
 }
 
 /*
@@ -309,7 +310,7 @@ static inline int init_qp_queue(struct ehca_shca *shca,
 	}
 
 	if (!ipz_rc) {
-		ehca_err(ib_dev, "Cannot allocate page for queue. ipz_rc=%x",
+		ehca_err(ib_dev, "Cannot allocate page for queue. ipz_rc=%i",
 			 ipz_rc);
 		return -EBUSY;
 	}
@@ -333,7 +334,7 @@ static inline int init_qp_queue(struct ehca_shca *shca,
 		if (cnt == (nr_q_pages - 1)) {	/* last page! */
 			if (h_ret != expected_hret) {
 				ehca_err(ib_dev, "hipz_qp_register_rpage() "
-					 "h_ret= %lx ", h_ret);
+					 "h_ret=%li", h_ret);
 				ret = ehca2ib_return_code(h_ret);
 				goto init_qp_queue1;
 			}
@@ -347,7 +348,7 @@ static inline int init_qp_queue(struct ehca_shca *shca,
 		} else {
 			if (h_ret != H_PAGE_REGISTERED) {
 				ehca_err(ib_dev, "hipz_qp_register_rpage() "
-					 "h_ret= %lx ", h_ret);
+					 "h_ret=%li", h_ret);
 				ret = ehca2ib_return_code(h_ret);
 				goto init_qp_queue1;
 			}
@@ -512,7 +513,7 @@ static struct ehca_qp *internal_create_qp(
 			} else if (init_attr->cap.max_send_wr > 255) {
 				ehca_err(pd->device,
 					 "Invalid Number of "
-					 "ax_send_wr=%x for UD QP_TYPE=%x",
+					 "max_send_wr=%x for UD QP_TYPE=%x",
 					 init_attr->cap.max_send_wr, qp_type);
 				return ERR_PTR(-EINVAL);
 			}
@@ -523,6 +524,18 @@ static struct ehca_qp *internal_create_qp(
 			return ERR_PTR(-EINVAL);
 			break;
 		}
+	} else {
+		int max_sge = (qp_type == IB_QPT_UD || qp_type == IB_QPT_SMI
+			       || qp_type == IB_QPT_GSI) ? 250 : 252;
+
+		if (init_attr->cap.max_send_sge > max_sge
+		    || init_attr->cap.max_recv_sge > max_sge) {
+			ehca_err(pd->device, "Invalid number of SGEs requested "
+				 "send_sge=%x recv_sge=%x max_sge=%x",
+				 init_attr->cap.max_send_sge,
+				 init_attr->cap.max_recv_sge, max_sge);
+			return ERR_PTR(-EINVAL);
+		}
 	}
 
 	if (pd->uobject && udata)
@@ -556,7 +569,6 @@ static struct ehca_qp *internal_create_qp(
 		write_lock_irqsave(&ehca_qp_idr_lock, flags);
 		ret = idr_get_new(&ehca_qp_idr, my_qp, &my_qp->token);
 		write_unlock_irqrestore(&ehca_qp_idr_lock, flags);
-
 	} while (ret == -EAGAIN);
 
 	if (ret) {
@@ -565,11 +577,17 @@ static struct ehca_qp *internal_create_qp(
 		goto create_qp_exit0;
 	}
 
+	if (my_qp->token > 0x1FFFFFF) {
+		ret = -EINVAL;
+		ehca_err(pd->device, "Invalid number of qp");
+		goto create_qp_exit1;
+	}
+
 	parms.servicetype = ibqptype2servicetype(qp_type);
 	if (parms.servicetype < 0) {
 		ret = -EINVAL;
 		ehca_err(pd->device, "Invalid qp_type=%x", qp_type);
-		goto create_qp_exit0;
+		goto create_qp_exit1;
 	}
 
 	if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR)
@@ -598,8 +616,7 @@ static struct ehca_qp *internal_create_qp(
 	parms.squeue.max_sge = max_send_sge;
 	parms.rqueue.max_sge = max_recv_sge;
 
-	if (EHCA_BMASK_GET(HCA_CAP_MINI_QP, shca->hca_cap)
-	    && !(context && udata)) { /* no small QP support in userspace ATM */
+	if (EHCA_BMASK_GET(HCA_CAP_MINI_QP, shca->hca_cap)) {
 		if (HAS_SQ(my_qp))
 			ehca_determine_small_queue(
 				&parms.squeue, max_send_sge, is_llqp);
@@ -612,7 +629,7 @@ static struct ehca_qp *internal_create_qp(
 
 	h_ret = hipz_h_alloc_resource_qp(shca->ipz_hca_handle, &parms);
 	if (h_ret != H_SUCCESS) {
-		ehca_err(pd->device, "h_alloc_resource_qp() failed h_ret=%lx",
+		ehca_err(pd->device, "h_alloc_resource_qp() failed h_ret=%li",
 			 h_ret);
 		ret = ehca2ib_return_code(h_ret);
 		goto create_qp_exit1;
@@ -666,7 +683,7 @@ static struct ehca_qp *internal_create_qp(
 			&parms.squeue, swqe_size);
 		if (ret) {
 			ehca_err(pd->device, "Couldn't initialize squeue "
-				 "and pages  ret=%x", ret);
+				 "and pages ret=%i", ret);
 			goto create_qp_exit2;
 		}
 	}
@@ -677,7 +694,7 @@ static struct ehca_qp *internal_create_qp(
 			H_SUCCESS, &parms.rqueue, rwqe_size);
 		if (ret) {
 			ehca_err(pd->device, "Couldn't initialize rqueue "
-				 "and pages ret=%x", ret);
+				 "and pages ret=%i", ret);
 			goto create_qp_exit3;
 		}
 	}
@@ -714,8 +731,6 @@ static struct ehca_qp *internal_create_qp(
 	if (qp_type == IB_QPT_GSI) {
 		h_ret = ehca_define_sqp(shca, my_qp, init_attr);
 		if (h_ret != H_SUCCESS) {
-			ehca_err(pd->device, "ehca_define_sqp() failed rc=%lx",
-				 h_ret);
 			ret = ehca2ib_return_code(h_ret);
 			goto create_qp_exit4;
 		}
@@ -725,7 +740,7 @@ static struct ehca_qp *internal_create_qp(
 		ret = ehca_cq_assign_qp(my_qp->send_cq, my_qp);
 		if (ret) {
 			ehca_err(pd->device,
-				 "Couldn't assign qp to send_cq ret=%x", ret);
+				 "Couldn't assign qp to send_cq ret=%i", ret);
 			goto create_qp_exit4;
 		}
 	}
@@ -741,12 +756,13 @@ static struct ehca_qp *internal_create_qp(
 		resp.ext_type = my_qp->ext_type;
 		resp.qkey = my_qp->qkey;
 		resp.real_qp_num = my_qp->real_qp_num;
-		resp.ipz_rqueue.offset = my_qp->ipz_rqueue.offset;
-		resp.ipz_squeue.offset = my_qp->ipz_squeue.offset;
+
 		if (HAS_SQ(my_qp))
 			queue2resp(&resp.ipz_squeue, &my_qp->ipz_squeue);
 		if (HAS_RQ(my_qp))
 			queue2resp(&resp.ipz_rqueue, &my_qp->ipz_rqueue);
+		resp.fw_handle_ofs = (u32)
+			(my_qp->galpas.user.fw_handle & (PAGE_SIZE - 1));
 
 		if (ib_copy_to_udata(udata, &resp, sizeof resp)) {
 			ehca_err(pd->device, "Copy to udata failed");
@@ -841,7 +857,7 @@ struct ib_srq *ehca_create_srq(struct ib_pd *pd,
 				mqpcb, my_qp->galpas.kernel);
 	if (hret != H_SUCCESS) {
 		ehca_err(pd->device, "Could not modify SRQ to INIT"
-			 "ehca_qp=%p qp_num=%x hret=%lx",
+			 "ehca_qp=%p qp_num=%x h_ret=%li",
 			 my_qp, my_qp->real_qp_num, hret);
 		goto create_srq2;
 	}
@@ -855,7 +871,7 @@ struct ib_srq *ehca_create_srq(struct ib_pd *pd,
 				mqpcb, my_qp->galpas.kernel);
 	if (hret != H_SUCCESS) {
 		ehca_err(pd->device, "Could not enable SRQ"
-			 "ehca_qp=%p qp_num=%x hret=%lx",
+			 "ehca_qp=%p qp_num=%x h_ret=%li",
 			 my_qp, my_qp->real_qp_num, hret);
 		goto create_srq2;
 	}
@@ -869,11 +885,13 @@ struct ib_srq *ehca_create_srq(struct ib_pd *pd,
 				mqpcb, my_qp->galpas.kernel);
 	if (hret != H_SUCCESS) {
 		ehca_err(pd->device, "Could not modify SRQ to RTR"
-			 "ehca_qp=%p qp_num=%x hret=%lx",
+			 "ehca_qp=%p qp_num=%x h_ret=%li",
 			 my_qp, my_qp->real_qp_num, hret);
 		goto create_srq2;
 	}
 
+	ehca_free_fw_ctrlblock(mqpcb);
+
 	return &my_qp->ib_srq;
 
 create_srq2:
@@ -907,7 +925,7 @@ static int prepare_sqe_rts(struct ehca_qp *my_qp, struct ehca_shca *shca,
 					   &bad_send_wqe_p, NULL, 2);
 	if (h_ret != H_SUCCESS) {
 		ehca_err(&shca->ib_device, "hipz_h_disable_and_get_wqe() failed"
-			 " ehca_qp=%p qp_num=%x h_ret=%lx",
+			 " ehca_qp=%p qp_num=%x h_ret=%li",
 			 my_qp, qp_num, h_ret);
 		return ehca2ib_return_code(h_ret);
 	}
@@ -985,7 +1003,7 @@ static int internal_modify_qp(struct ib_qp *ibqp,
 				mqpcb, my_qp->galpas.kernel);
 	if (h_ret != H_SUCCESS) {
 		ehca_err(ibqp->device, "hipz_h_query_qp() failed "
-			 "ehca_qp=%p qp_num=%x h_ret=%lx",
+			 "ehca_qp=%p qp_num=%x h_ret=%li",
 			 my_qp, ibqp->qp_num, h_ret);
 		ret = ehca2ib_return_code(h_ret);
 		goto modify_qp_exit1;
@@ -1021,7 +1039,7 @@ static int internal_modify_qp(struct ib_qp *ibqp,
 			ibqp, &smiqp_attr, smiqp_attr_mask, 1);
 		if (smirc) {
 			ehca_err(ibqp->device, "SMI RESET -> INIT failed. "
-				 "ehca_modify_qp() rc=%x", smirc);
+				 "ehca_modify_qp() rc=%i", smirc);
 			ret = H_PARAMETER;
 			goto modify_qp_exit1;
 		}
@@ -1123,7 +1141,7 @@ static int internal_modify_qp(struct ib_qp *ibqp,
 		ret = prepare_sqe_rts(my_qp, shca, &bad_wqe_cnt);
 		if (ret) {
 			ehca_err(ibqp->device, "prepare_sqe_rts() failed "
-				 "ehca_qp=%p qp_num=%x ret=%x",
+				 "ehca_qp=%p qp_num=%x ret=%i",
 				 my_qp, ibqp->qp_num, ret);
 			goto modify_qp_exit2;
 		}
@@ -1149,6 +1167,13 @@ static int internal_modify_qp(struct ib_qp *ibqp,
 	}
 
 	if (attr_mask & IB_QP_PKEY_INDEX) {
+		if (attr->pkey_index >= 16) {
+			ret = -EINVAL;
+			ehca_err(ibqp->device, "Invalid pkey_index=%x. "
+				 "ehca_qp=%p qp_num=%x max_pkey_index=f",
+				 attr->pkey_index, my_qp, ibqp->qp_num);
+			goto modify_qp_exit2;
+		}
 		mqpcb->prim_p_key_idx = attr->pkey_index;
 		update_mask |= EHCA_BMASK_SET(MQPCB_MASK_PRIM_P_KEY_IDX, 1);
 	}
@@ -1257,50 +1282,78 @@ static int internal_modify_qp(struct ib_qp *ibqp,
 		int ehca_mult = ib_rate_to_mult(
 			shca->sport[my_qp->init_attr.port_num].rate);
 
+		if (attr->alt_port_num < 1
+		    || attr->alt_port_num > shca->num_ports) {
+			ret = -EINVAL;
+			ehca_err(ibqp->device, "Invalid alt_port=%x. "
+				 "ehca_qp=%p qp_num=%x num_ports=%x",
+				 attr->alt_port_num, my_qp, ibqp->qp_num,
+				 shca->num_ports);
+			goto modify_qp_exit2;
+		}
+		mqpcb->alt_phys_port = attr->alt_port_num;
+
+		if (attr->alt_pkey_index >= 16) {
+			ret = -EINVAL;
+			ehca_err(ibqp->device, "Invalid alt_pkey_index=%x. "
+				 "ehca_qp=%p qp_num=%x max_pkey_index=f",
+				 attr->pkey_index, my_qp, ibqp->qp_num);
+			goto modify_qp_exit2;
+		}
+		mqpcb->alt_p_key_idx = attr->alt_pkey_index;
+
+		mqpcb->timeout_al = attr->alt_timeout;
 		mqpcb->dlid_al = attr->alt_ah_attr.dlid;
-		update_mask |= EHCA_BMASK_SET(MQPCB_MASK_DLID_AL, 1);
 		mqpcb->source_path_bits_al = attr->alt_ah_attr.src_path_bits;
-		update_mask |=
-			EHCA_BMASK_SET(MQPCB_MASK_SOURCE_PATH_BITS_AL, 1);
 		mqpcb->service_level_al = attr->alt_ah_attr.sl;
-		update_mask |= EHCA_BMASK_SET(MQPCB_MASK_SERVICE_LEVEL_AL, 1);
 
-		if (ah_mult < ehca_mult)
-			mqpcb->max_static_rate = (ah_mult > 0) ?
-			((ehca_mult - 1) / ah_mult) : 0;
+		if (ah_mult > 0 && ah_mult < ehca_mult)
+			mqpcb->max_static_rate_al = (ehca_mult - 1) / ah_mult;
 		else
 			mqpcb->max_static_rate_al = 0;
 
-		update_mask |= EHCA_BMASK_SET(MQPCB_MASK_MAX_STATIC_RATE_AL, 1);
+		/* OpenIB doesn't support alternate retry counts - copy them */
+		mqpcb->retry_count_al = mqpcb->retry_count;
+		mqpcb->rnr_retry_count_al = mqpcb->rnr_retry_count;
+
+		update_mask |= EHCA_BMASK_SET(MQPCB_MASK_ALT_PHYS_PORT, 1)
+			| EHCA_BMASK_SET(MQPCB_MASK_ALT_P_KEY_IDX, 1)
+			| EHCA_BMASK_SET(MQPCB_MASK_TIMEOUT_AL, 1)
+			| EHCA_BMASK_SET(MQPCB_MASK_DLID_AL, 1)
+			| EHCA_BMASK_SET(MQPCB_MASK_SOURCE_PATH_BITS_AL, 1)
+			| EHCA_BMASK_SET(MQPCB_MASK_SERVICE_LEVEL_AL, 1)
+			| EHCA_BMASK_SET(MQPCB_MASK_MAX_STATIC_RATE_AL, 1)
+			| EHCA_BMASK_SET(MQPCB_MASK_RETRY_COUNT_AL, 1)
+			| EHCA_BMASK_SET(MQPCB_MASK_RNR_RETRY_COUNT_AL, 1);
+
+		/*
+		 * Always supply the GRH flag, even if it's zero, to give the
+		 * hypervisor a clear "yes" or "no" instead of a "perhaps"
+		 */
+		update_mask |= EHCA_BMASK_SET(MQPCB_MASK_SEND_GRH_FLAG_AL, 1);
 
 		/*
 		 * only if GRH is TRUE we might consider SOURCE_GID_IDX
 		 * and DEST_GID otherwise phype will return H_ATTR_PARM!!!
 		 */
 		if (attr->alt_ah_attr.ah_flags == IB_AH_GRH) {
-			mqpcb->send_grh_flag_al = 1 << 31;
-			update_mask |=
-				EHCA_BMASK_SET(MQPCB_MASK_SEND_GRH_FLAG_AL, 1);
-			mqpcb->source_gid_idx_al =
-				attr->alt_ah_attr.grh.sgid_index;
-			update_mask |=
-				EHCA_BMASK_SET(MQPCB_MASK_SOURCE_GID_IDX_AL, 1);
+			mqpcb->send_grh_flag_al = 1;
 
 			for (cnt = 0; cnt < 16; cnt++)
 				mqpcb->dest_gid_al.byte[cnt] =
 					attr->alt_ah_attr.grh.dgid.raw[cnt];
-
-			update_mask |=
-				EHCA_BMASK_SET(MQPCB_MASK_DEST_GID_AL, 1);
+			mqpcb->source_gid_idx_al =
+				attr->alt_ah_attr.grh.sgid_index;
 			mqpcb->flow_label_al = attr->alt_ah_attr.grh.flow_label;
-			update_mask |=
-				EHCA_BMASK_SET(MQPCB_MASK_FLOW_LABEL_AL, 1);
 			mqpcb->hop_limit_al = attr->alt_ah_attr.grh.hop_limit;
-			update_mask |=
-				EHCA_BMASK_SET(MQPCB_MASK_HOP_LIMIT_AL, 1);
 			mqpcb->traffic_class_al =
 				attr->alt_ah_attr.grh.traffic_class;
+
 			update_mask |=
+				EHCA_BMASK_SET(MQPCB_MASK_SOURCE_GID_IDX_AL, 1)
+				| EHCA_BMASK_SET(MQPCB_MASK_DEST_GID_AL, 1)
+				| EHCA_BMASK_SET(MQPCB_MASK_FLOW_LABEL_AL, 1)
+				| EHCA_BMASK_SET(MQPCB_MASK_HOP_LIMIT_AL, 1) |
 				EHCA_BMASK_SET(MQPCB_MASK_TRAFFIC_CLASS_AL, 1);
 		}
 	}
@@ -1322,7 +1375,14 @@ static int internal_modify_qp(struct ib_qp *ibqp,
 	}
 
 	if (attr_mask & IB_QP_PATH_MIG_STATE) {
-		mqpcb->path_migration_state = attr->path_mig_state;
+		if (attr->path_mig_state != IB_MIG_REARM
+		    && attr->path_mig_state != IB_MIG_MIGRATED) {
+			ret = -EINVAL;
+			ehca_err(ibqp->device, "Invalid mig_state=%x",
+				 attr->path_mig_state);
+			goto modify_qp_exit2;
+		}
+		mqpcb->path_migration_state = attr->path_mig_state + 1;
 		update_mask |=
 			EHCA_BMASK_SET(MQPCB_MASK_PATH_MIGRATION_STATE, 1);
 	}
@@ -1348,7 +1408,7 @@ static int internal_modify_qp(struct ib_qp *ibqp,
 
 	if (h_ret != H_SUCCESS) {
 		ret = ehca2ib_return_code(h_ret);
-		ehca_err(ibqp->device, "hipz_h_modify_qp() failed rc=%lx "
+		ehca_err(ibqp->device, "hipz_h_modify_qp() failed h_ret=%li "
 			 "ehca_qp=%p qp_num=%x", h_ret, my_qp, ibqp->qp_num);
 		goto modify_qp_exit2;
 	}
@@ -1381,7 +1441,7 @@ static int internal_modify_qp(struct ib_qp *ibqp,
 			ret = ehca2ib_return_code(h_ret);
 			ehca_err(ibqp->device, "ENABLE in context of "
 				 "RESET_2_INIT failed! Maybe you didn't get "
-				 "a LID h_ret=%lx ehca_qp=%p qp_num=%x",
+				 "a LID h_ret=%li ehca_qp=%p qp_num=%x",
 				 h_ret, my_qp, ibqp->qp_num);
 			goto modify_qp_exit2;
 		}
@@ -1469,7 +1529,7 @@ int ehca_query_qp(struct ib_qp *qp,
 	if (h_ret != H_SUCCESS) {
 		ret = ehca2ib_return_code(h_ret);
 		ehca_err(qp->device, "hipz_h_query_qp() failed "
-			 "ehca_qp=%p qp_num=%x h_ret=%lx",
+			 "ehca_qp=%p qp_num=%x h_ret=%li",
 			 my_qp, qp->qp_num, h_ret);
 		goto query_qp_exit1;
 	}
@@ -1490,7 +1550,7 @@ int ehca_query_qp(struct ib_qp *qp,
 
 	qp_attr->qkey = qpcb->qkey;
 	qp_attr->path_mtu = qpcb->path_mtu;
-	qp_attr->path_mig_state = qpcb->path_migration_state;
+	qp_attr->path_mig_state = qpcb->path_migration_state - 1;
 	qp_attr->rq_psn = qpcb->receive_psn;
 	qp_attr->sq_psn = qpcb->send_psn;
 	qp_attr->min_rnr_timer = qpcb->min_rnr_nak_timer_field;
@@ -1644,7 +1704,7 @@ int ehca_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
 
 	if (h_ret != H_SUCCESS) {
 		ret = ehca2ib_return_code(h_ret);
-		ehca_err(ibsrq->device, "hipz_h_modify_qp() failed rc=%lx "
+		ehca_err(ibsrq->device, "hipz_h_modify_qp() failed h_ret=%li "
 			 "ehca_qp=%p qp_num=%x",
 			 h_ret, my_qp, my_qp->real_qp_num);
 	}
@@ -1687,12 +1747,13 @@ int ehca_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr)
 	if (h_ret != H_SUCCESS) {
 		ret = ehca2ib_return_code(h_ret);
 		ehca_err(srq->device, "hipz_h_query_qp() failed "
-			 "ehca_qp=%p qp_num=%x h_ret=%lx",
+			 "ehca_qp=%p qp_num=%x h_ret=%li",
 			 my_qp, my_qp->real_qp_num, h_ret);
 		goto query_srq_exit1;
 	}
 
 	srq_attr->max_wr = qpcb->max_nr_outst_recv_wr - 1;
+	srq_attr->max_sge = qpcb->actual_nr_sges_in_rq_wqe;
 	srq_attr->srq_limit = EHCA_BMASK_GET(
 		MQPCB_CURR_SRQ_LIMIT, qpcb->curr_srq_limit);
 
@@ -1737,7 +1798,7 @@ static int internal_destroy_qp(struct ib_device *dev, struct ehca_qp *my_qp,
 		ret = ehca_cq_unassign_qp(my_qp->send_cq, qp_num);
 		if (ret) {
 			ehca_err(dev, "Couldn't unassign qp from "
-				 "send_cq ret=%x qp_num=%x cq_num=%x", ret,
+				 "send_cq ret=%i qp_num=%x cq_num=%x", ret,
 				 qp_num, my_qp->send_cq->cq_number);
 			return ret;
 		}
@@ -1749,7 +1810,7 @@ static int internal_destroy_qp(struct ib_device *dev, struct ehca_qp *my_qp,
 
 	h_ret = hipz_h_destroy_qp(shca->ipz_hca_handle, my_qp);
 	if (h_ret != H_SUCCESS) {
-		ehca_err(dev, "hipz_h_destroy_qp() failed rc=%lx "
+		ehca_err(dev, "hipz_h_destroy_qp() failed h_ret=%li "
 			 "ehca_qp=%p qp_num=%x", h_ret, my_qp, qp_num);
 		return ehca2ib_return_code(h_ret);
 	}