RDMA/hns: Add command queue support for hip08 RoCE driver
The command queue is the configuration queue. The software
configures hardware by filling the commands into command
queues. It includes command send queue and receive queue.
In hip08 RoCE engine, It supports to configure and query
registers by command queue.
Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Shaobo Xu <xushaobo2@huawei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c
index b07d437..4f5a6fd 100644
--- a/drivers/infiniband/hw/hns/hns_roce_main.c
+++ b/drivers/infiniband/hw/hns/hns_roce_main.c
@@ -678,6 +678,14 @@ int hns_roce_init(struct hns_roce_dev *hr_dev)
}
}
+ if (hr_dev->hw->cmq_init) {
+ ret = hr_dev->hw->cmq_init(hr_dev);
+ if (ret) {
+ dev_err(dev, "Init RoCE Command Queue failed!\n");
+ goto error_failed_cmq_init;
+ }
+ }
+
hr_dev->hw->hw_profile(hr_dev);
ret = hns_roce_cmd_init(hr_dev);
@@ -750,6 +758,10 @@ int hns_roce_init(struct hns_roce_dev *hr_dev)
hns_roce_cmd_cleanup(hr_dev);
error_failed_cmd_init:
+ if (hr_dev->hw->cmq_exit)
+ hr_dev->hw->cmq_exit(hr_dev);
+
+error_failed_cmq_init:
if (hr_dev->hw->reset) {
ret = hr_dev->hw->reset(hr_dev, false);
if (ret)
@@ -774,6 +786,8 @@ void hns_roce_exit(struct hns_roce_dev *hr_dev)
if (hr_dev->cmd_mod)
hns_roce_cleanup_eq_table(hr_dev);
hns_roce_cmd_cleanup(hr_dev);
+ if (hr_dev->hw->cmq_exit)
+ hr_dev->hw->cmq_exit(hr_dev);
if (hr_dev->hw->reset)
hr_dev->hw->reset(hr_dev, false);
}