Commit 90a6cd50 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma 

Pull more rdma fixes from Doug Ledford:
 "Well, I thought we were going to be done for this -rc cycle. I should
  have known better than to say so though.

  We have four additional items that trickled in.

  One was a simple mistake on my part. I took a patch into my for-next
  thinking that the issue was less severe than it was. I was then
  notified that it needed to be in my -rc area instead.

  The other three were just found late in testing.

  Summary:

   - One core fix accidentally applied first to for-next and then cherry
     picked back because it needed to be in the -rc cycles instead

   - Another core fix

   - Two mlx5 fixes"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma:
  IB/mlx5: Always return success for RoCE modify port
  IB/mlx5: Fix Raw Packet QP event handler assignment
  IB/core: Avoid accessing non-allocated memory when inferring port type
  RDMA/uverbs: Initialize cq_context appropriately
parents 4898b99c ec255879

drivers/infiniband/core/uverbs_cmd.c

+8 −5
Original line number Diff line number Diff line
@@ -1015,7 +1015,7 @@ static struct ib_ucq_object *create_cq(struct ib_uverbs_file *file, 
	cq->uobject       = &obj->uobject;

	cq->comp_handler  = ib_uverbs_comp_handler;

	cq->event_handler = ib_uverbs_cq_event_handler;

	cq->cq_context    = &ev_file->ev_queue;

	cq->cq_context    = ev_file ? &ev_file->ev_queue : NULL;

	atomic_set(&cq->usecnt, 0);



	obj->uobject.object = cq;
@@ -1522,6 +1522,7 @@ static int create_qp(struct ib_uverbs_file *file, 
		qp->qp_type	  = attr.qp_type;

		atomic_set(&qp->usecnt, 0);

		atomic_inc(&pd->usecnt);

		qp->port = 0;

		if (attr.send_cq)

			atomic_inc(&attr.send_cq->usecnt);

		if (attr.recv_cq)
@@ -1962,6 +1963,7 @@ static int modify_qp(struct ib_uverbs_file *file, 
	attr->alt_timeout	  = cmd->base.alt_timeout;

	attr->rate_limit	  = cmd->rate_limit;



	if (cmd->base.attr_mask & IB_QP_AV)

		attr->ah_attr.type = rdma_ah_find_type(qp->device,

						       cmd->base.dest.port_num);

	if (cmd->base.dest.is_global) {
@@ -1981,8 +1983,9 @@ static int modify_qp(struct ib_uverbs_file *file, 
	rdma_ah_set_port_num(&attr->ah_attr,

			     cmd->base.dest.port_num);



	attr->alt_ah_attr.type = rdma_ah_find_type(qp->device,

						   cmd->base.dest.port_num);

	if (cmd->base.attr_mask & IB_QP_ALT_PATH)

		attr->alt_ah_attr.type =

			rdma_ah_find_type(qp->device, cmd->base.dest.port_num);

	if (cmd->base.alt_dest.is_global) {

		rdma_ah_set_grh(&attr->alt_ah_attr, NULL,

				cmd->base.alt_dest.flow_label,

drivers/infiniband/core/verbs.c

+6 −1
Original line number Diff line number Diff line
@@ -838,6 +838,7 @@ struct ib_qp *ib_create_qp(struct ib_pd *pd, 
	spin_lock_init(&qp->mr_lock);

	INIT_LIST_HEAD(&qp->rdma_mrs);

	INIT_LIST_HEAD(&qp->sig_mrs);

	qp->port = 0;



	if (qp_init_attr->qp_type == IB_QPT_XRC_TGT)

		return ib_create_xrc_qp(qp, qp_init_attr);
@@ -1297,7 +1298,11 @@ int ib_modify_qp_with_udata(struct ib_qp *qp, struct ib_qp_attr *attr, 
		if (ret)

			return ret;

	}

	return ib_security_modify_qp(qp, attr, attr_mask, udata);

	ret = ib_security_modify_qp(qp, attr, attr_mask, udata);

	if (!ret && (attr_mask & IB_QP_PORT))

		qp->port = attr->port_num;



	return ret;

}

EXPORT_SYMBOL(ib_modify_qp_with_udata);

drivers/infiniband/hw/mlx5/main.c

+6 −0
Original line number Diff line number Diff line
@@ -1085,6 +1085,12 @@ static int mlx5_ib_modify_port(struct ib_device *ibdev, u8 port, int mask, 
	bool is_ib = (mlx5_ib_port_link_layer(ibdev, port) ==

		      IB_LINK_LAYER_INFINIBAND);



	/* CM layer calls ib_modify_port() regardless of the link layer. For

	 * Ethernet ports, qkey violation and Port capabilities are meaningless.

	 */

	if (!is_ib)

		return 0;



	if (MLX5_CAP_GEN(dev->mdev, ib_virt) && is_ib) {

		change_mask = props->clr_port_cap_mask | props->set_port_cap_mask;

		value = ~props->clr_port_cap_mask | props->set_port_cap_mask;

drivers/infiniband/hw/mlx5/qp.c

+1 −0
Original line number Diff line number Diff line
@@ -1238,6 +1238,7 @@ static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 
			goto err_destroy_tis;



		sq->base.container_mibqp = qp;

		sq->base.mqp.event = mlx5_ib_qp_event;

	}



	if (qp->rq.wqe_cnt) {

include/rdma/ib_verbs.h

+1 −0
Original line number Diff line number Diff line
@@ -1683,6 +1683,7 @@ struct ib_qp { 
	enum ib_qp_type		qp_type;

	struct ib_rwq_ind_table *rwq_ind_tbl;

	struct ib_qp_security  *qp_sec;

	u8			port;

};



struct ib_mr {

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