diff options
| author | Lijun Ou <oulijun@huawei.com> | 2018-09-30 17:00:28 +0800 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2018-10-03 16:21:17 -0600 |
| commit | 06ef0ee4b569101f3a07ce08335dbf29fd1404ef (patch) | |
| tree | 4bbb2fdd5444b09d51671a11c0f3145945f38497 /drivers/infiniband/hw/hns/hns_roce_qp.c | |
| parent | 38716732f161c3d107c4cc406a287f1201bed752 (diff) | |
RDMA/hns: Bugfix for reserved qp number
It needs to include two special qps for every port. The hip08 have four
ports and the all reserved qp numbers are eight.
Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_qp.c')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_qp.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c index 0378fc41fcfa..0e0c79609b0c 100644 --- a/drivers/infiniband/hw/hns/hns_roce_qp.c +++ b/drivers/infiniband/hw/hns/hns_roce_qp.c @@ -1106,14 +1106,20 @@ int hns_roce_init_qp_table(struct hns_roce_dev *hr_dev) { struct hns_roce_qp_table *qp_table = &hr_dev->qp_table; int reserved_from_top = 0; + int reserved_from_bot; int ret; spin_lock_init(&qp_table->lock); INIT_RADIX_TREE(&hr_dev->qp_table_tree, GFP_ATOMIC); - /* A port include two SQP, six port total 12 */ + /* In hw v1, a port include two SQP, six ports total 12 */ + if (hr_dev->caps.max_sq_sg <= 2) + reserved_from_bot = SQP_NUM; + else + reserved_from_bot = hr_dev->caps.reserved_qps; + ret = hns_roce_bitmap_init(&qp_table->bitmap, hr_dev->caps.num_qps, - hr_dev->caps.num_qps - 1, SQP_NUM, + hr_dev->caps.num_qps - 1, reserved_from_bot, reserved_from_top); if (ret) { dev_err(hr_dev->dev, "qp bitmap init failed!error=%d\n", |