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path: root/drivers/infiniband/hw/mlx5/gsi.c
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Diffstat (limited to 'drivers/infiniband/hw/mlx5/gsi.c')
-rw-r--r--drivers/infiniband/hw/mlx5/gsi.c51
1 files changed, 11 insertions, 40 deletions
diff --git a/drivers/infiniband/hw/mlx5/gsi.c b/drivers/infiniband/hw/mlx5/gsi.c
index 7fcad9135276..3ad8f637c589 100644
--- a/drivers/infiniband/hw/mlx5/gsi.c
+++ b/drivers/infiniband/hw/mlx5/gsi.c
@@ -116,8 +116,6 @@ int mlx5_ib_create_gsi(struct ib_pd *pd, struct mlx5_ib_qp *mqp,
goto err_free_tx;
}
- mutex_lock(&dev->devr.mutex);
-
if (dev->devr.ports[port_num - 1].gsi) {
mlx5_ib_warn(dev, "GSI QP already exists on port %d\n",
port_num);
@@ -147,35 +145,20 @@ int mlx5_ib_create_gsi(struct ib_pd *pd, struct mlx5_ib_qp *mqp,
hw_init_attr.cap.max_inline_data = 0;
}
- gsi->rx_qp = mlx5_ib_create_qp(pd, &hw_init_attr, NULL);
+ gsi->rx_qp = ib_create_qp(pd, &hw_init_attr);
if (IS_ERR(gsi->rx_qp)) {
mlx5_ib_warn(dev, "unable to create hardware GSI QP. error %ld\n",
PTR_ERR(gsi->rx_qp));
ret = PTR_ERR(gsi->rx_qp);
goto err_destroy_cq;
}
- gsi->rx_qp->device = pd->device;
- gsi->rx_qp->pd = pd;
- gsi->rx_qp->real_qp = gsi->rx_qp;
-
- gsi->rx_qp->qp_type = hw_init_attr.qp_type;
- gsi->rx_qp->send_cq = hw_init_attr.send_cq;
- gsi->rx_qp->recv_cq = hw_init_attr.recv_cq;
- gsi->rx_qp->event_handler = hw_init_attr.event_handler;
- spin_lock_init(&gsi->rx_qp->mr_lock);
- INIT_LIST_HEAD(&gsi->rx_qp->rdma_mrs);
- INIT_LIST_HEAD(&gsi->rx_qp->sig_mrs);
dev->devr.ports[attr->port_num - 1].gsi = gsi;
-
- mutex_unlock(&dev->devr.mutex);
-
return 0;
err_destroy_cq:
ib_free_cq(gsi->cq);
err_free_wrs:
- mutex_unlock(&dev->devr.mutex);
kfree(gsi->outstanding_wrs);
err_free_tx:
kfree(gsi->tx_qps);
@@ -190,16 +173,13 @@ int mlx5_ib_destroy_gsi(struct mlx5_ib_qp *mqp)
int qp_index;
int ret;
- mutex_lock(&dev->devr.mutex);
- ret = mlx5_ib_destroy_qp(gsi->rx_qp, NULL);
+ ret = ib_destroy_qp(gsi->rx_qp);
if (ret) {
mlx5_ib_warn(dev, "unable to destroy hardware GSI QP. error %d\n",
ret);
- mutex_unlock(&dev->devr.mutex);
return ret;
}
dev->devr.ports[port_num - 1].gsi = NULL;
- mutex_unlock(&dev->devr.mutex);
gsi->rx_qp = NULL;
for (qp_index = 0; qp_index < gsi->num_qps; ++qp_index) {
@@ -213,8 +193,6 @@ int mlx5_ib_destroy_gsi(struct mlx5_ib_qp *mqp)
kfree(gsi->outstanding_wrs);
kfree(gsi->tx_qps);
- kfree(mqp);
-
return 0;
}
@@ -339,23 +317,13 @@ err_destroy_qp:
WARN_ON_ONCE(qp);
}
-static void setup_qps(struct mlx5_ib_gsi_qp *gsi)
-{
- struct mlx5_ib_dev *dev = to_mdev(gsi->rx_qp->device);
- u16 qp_index;
-
- mutex_lock(&dev->devr.mutex);
- for (qp_index = 0; qp_index < gsi->num_qps; ++qp_index)
- setup_qp(gsi, qp_index);
- mutex_unlock(&dev->devr.mutex);
-}
-
int mlx5_ib_gsi_modify_qp(struct ib_qp *qp, struct ib_qp_attr *attr,
int attr_mask)
{
struct mlx5_ib_dev *dev = to_mdev(qp->device);
struct mlx5_ib_qp *mqp = to_mqp(qp);
struct mlx5_ib_gsi_qp *gsi = &mqp->gsi;
+ u16 qp_index;
int ret;
mlx5_ib_dbg(dev, "modifying GSI QP to state %d\n", attr->qp_state);
@@ -366,8 +334,11 @@ int mlx5_ib_gsi_modify_qp(struct ib_qp *qp, struct ib_qp_attr *attr,
return ret;
}
- if (to_mqp(gsi->rx_qp)->state == IB_QPS_RTS)
- setup_qps(gsi);
+ if (to_mqp(gsi->rx_qp)->state != IB_QPS_RTS)
+ return 0;
+
+ for (qp_index = 0; qp_index < gsi->num_qps; ++qp_index)
+ setup_qp(gsi, qp_index);
return 0;
}
@@ -511,8 +482,8 @@ int mlx5_ib_gsi_post_recv(struct ib_qp *qp, const struct ib_recv_wr *wr,
void mlx5_ib_gsi_pkey_change(struct mlx5_ib_gsi_qp *gsi)
{
- if (!gsi)
- return;
+ u16 qp_index;
- setup_qps(gsi);
+ for (qp_index = 0; qp_index < gsi->num_qps; ++qp_index)
+ setup_qp(gsi, qp_index);
}