diff options
| author | oulijun <oulijun@huawei.com> | 2017-11-10 16:55:44 +0800 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-11-10 12:29:47 -0500 |
| commit | e92f2c182bcfdda4f05fd8ebf269c0b5bfe18e7d (patch) | |
| tree | 8edf0e16c764ecc2f269d0942a95f1ba9f231cf2 /drivers/infiniband/hw/hns/hns_roce_qp.c | |
| parent | d55142461759890ac6dc3e93b4c5a4271937b1cf (diff) | |
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>
Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_qp.c')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_qp.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c index b1c9a3768b19..49586ec8126a 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); } |