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IB/mad: Remove ib_get_dma_mr calls 

The pd now has a local_dma_lkey member which completely replaces
ib_get_dma_mr, use it instead.

Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Jason Gunthorpe 2015-07-30 17:22:16 -06:00 committed by Doug Ledford
parent 96249d70dd
commit 4be90bc60d
3 changed files with 3 additions and 25 deletions
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26
drivers/infiniband/core/mad.c
View File

@ -338,13 +338,6 @@ struct ib_mad_agent *ib_register_mad_agent(struct ib_device *device,
goto error1;
}
mad_agent_priv->agent.mr = ib_get_dma_mr(port_priv->qp_info[qpn].qp->pd,
IB_ACCESS_LOCAL_WRITE);
if (IS_ERR(mad_agent_priv->agent.mr)) {
ret = ERR_PTR(-ENOMEM);
goto error2;
}
if (mad_reg_req) {
reg_req = kmemdup(mad_reg_req, sizeof *reg_req, GFP_KERNEL);
if (!reg_req) {
@ -429,8 +422,6 @@ error4:
spin_unlock_irqrestore(&port_priv->reg_lock, flags);
kfree(reg_req);
error3:
ib_dereg_mr(mad_agent_priv->agent.mr);
error2:
kfree(mad_agent_priv);
error1:
return ret;
@ -590,7 +581,6 @@ static void unregister_mad_agent(struct ib_mad_agent_private *mad_agent_priv)
wait_for_completion(&mad_agent_priv->comp);
kfree(mad_agent_priv->reg_req);
ib_dereg_mr(mad_agent_priv->agent.mr);
kfree(mad_agent_priv);
}
@ -1038,7 +1028,7 @@ struct ib_mad_send_buf * ib_create_send_mad(struct ib_mad_agent *mad_agent,
mad_send_wr->mad_agent_priv = mad_agent_priv;
mad_send_wr->sg_list[0].length = hdr_len;
mad_send_wr->sg_list[0].lkey = mad_agent->mr->lkey;
mad_send_wr->sg_list[0].lkey = mad_agent->qp->pd->local_dma_lkey;
/* OPA MADs don't have to be the full 2048 bytes */
if (opa && base_version == OPA_MGMT_BASE_VERSION &&
@ -1047,7 +1037,7 @@ struct ib_mad_send_buf * ib_create_send_mad(struct ib_mad_agent *mad_agent,
else
mad_send_wr->sg_list[1].length = mad_size - hdr_len;
mad_send_wr->sg_list[1].lkey = mad_agent->mr->lkey;
mad_send_wr->sg_list[1].lkey = mad_agent->qp->pd->local_dma_lkey;
mad_send_wr->send_wr.wr_id = (unsigned long) mad_send_wr;
mad_send_wr->send_wr.sg_list = mad_send_wr->sg_list;
@ -2885,7 +2875,7 @@ static int ib_mad_post_receive_mads(struct ib_mad_qp_info *qp_info,
struct ib_mad_queue *recv_queue = &qp_info->recv_queue;
/* Initialize common scatter list fields */
sg_list.lkey = (*qp_info->port_priv->mr).lkey;
sg_list.lkey = qp_info->port_priv->pd->local_dma_lkey;
/* Initialize common receive WR fields */
recv_wr.next = NULL;
@ -3201,13 +3191,6 @@ static int ib_mad_port_open(struct ib_device *device,
goto error4;
}
port_priv->mr = ib_get_dma_mr(port_priv->pd, IB_ACCESS_LOCAL_WRITE);
if (IS_ERR(port_priv->mr)) {
dev_err(&device->dev, "Couldn't get ib_mad DMA MR\n");
ret = PTR_ERR(port_priv->mr);
goto error5;
}
if (has_smi) {
ret = create_mad_qp(&port_priv->qp_info[0], IB_QPT_SMI);
if (ret)
@ -3248,8 +3231,6 @@ error8:
error7:
destroy_mad_qp(&port_priv->qp_info[0]);
error6:
ib_dereg_mr(port_priv->mr);
error5:
ib_dealloc_pd(port_priv->pd);
error4:
ib_destroy_cq(port_priv->cq);
@ -3284,7 +3265,6 @@ static int ib_mad_port_close(struct ib_device *device, int port_num)
destroy_workqueue(port_priv->wq);
destroy_mad_qp(&port_priv->qp_info[1]);
destroy_mad_qp(&port_priv->qp_info[0]);
ib_dereg_mr(port_priv->mr);
ib_dealloc_pd(port_priv->pd);
ib_destroy_cq(port_priv->cq);
cleanup_recv_queue(&port_priv->qp_info[1]);

1
drivers/infiniband/core/mad_priv.h
View File

@ -199,7 +199,6 @@ struct ib_mad_port_private {
int port_num;
struct ib_cq *cq;
struct ib_pd *pd;
struct ib_mr *mr;
spinlock_t reg_lock;
struct ib_mad_mgmt_version_table version[MAX_MGMT_VERSION];

1
include/rdma/ib_mad.h
View File

@ -526,7 +526,6 @@ enum {
struct ib_mad_agent {
struct ib_device *device;
struct ib_qp *qp;
struct ib_mr *mr;
ib_mad_recv_handler recv_handler;
ib_mad_send_handler send_handler;
ib_mad_snoop_handler snoop_handler;