RDMA/hns: Configure TRRL field in hip08 RoCE device
The TRRL(Target RDMA Read/aTOMIC List) record the information
of receiving RDMA READ or ATOMIC operation in hip08. It will
be used the hardware. The driver need to assign a continuous
physical address for trrl_ba field of qp context.
Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Shaobo Xu <xushaobo2@huawei.com>
Signed-off-by: Yixian Liu <liuyixian@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/infiniband/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c
index b1c9a37..49586ec 100644
--- a/drivers/infiniband/hw/hns/hns_roce_qp.c
+++ b/drivers/infiniband/hw/hns/hns_roce_qp.c
@@ -194,13 +194,23 @@ static int hns_roce_qp_alloc(struct hns_roce_dev *hr_dev, unsigned long qpn,
goto err_put_qp;
}
+ if (hr_dev->caps.trrl_entry_sz) {
+ /* Alloc memory for TRRL */
+ ret = hns_roce_table_get(hr_dev, &qp_table->trrl_table,
+ hr_qp->qpn);
+ if (ret) {
+ dev_err(dev, "TRRL table get failed\n");
+ goto err_put_irrl;
+ }
+ }
+
spin_lock_irq(&qp_table->lock);
ret = radix_tree_insert(&hr_dev->qp_table_tree,
hr_qp->qpn & (hr_dev->caps.num_qps - 1), hr_qp);
spin_unlock_irq(&qp_table->lock);
if (ret) {
dev_err(dev, "QPC radix_tree_insert failed\n");
- goto err_put_irrl;
+ goto err_put_trrl;
}
atomic_set(&hr_qp->refcount, 1);
@@ -208,6 +218,10 @@ static int hns_roce_qp_alloc(struct hns_roce_dev *hr_dev, unsigned long qpn,
return 0;
+err_put_trrl:
+ if (hr_dev->caps.trrl_entry_sz)
+ hns_roce_table_put(hr_dev, &qp_table->trrl_table, hr_qp->qpn);
+
err_put_irrl:
hns_roce_table_put(hr_dev, &qp_table->irrl_table, hr_qp->qpn);
@@ -239,6 +253,9 @@ void hns_roce_qp_free(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp)
wait_for_completion(&hr_qp->free);
if ((hr_qp->ibqp.qp_type) != IB_QPT_GSI) {
+ if (hr_dev->caps.trrl_entry_sz)
+ hns_roce_table_put(hr_dev, &qp_table->trrl_table,
+ hr_qp->qpn);
hns_roce_table_put(hr_dev, &qp_table->irrl_table, hr_qp->qpn);
hns_roce_table_put(hr_dev, &qp_table->qp_table, hr_qp->qpn);
}