[PATCH v10 20/22] IB/hns: Add operation for getting immutable port
From: Lijun Ou <hidden>
Date: 2016-06-16 14:23:41
Also in:
linux-rdma, lkml
Subsystem:
hisilicon roce driver, infiniband subsystem, the rest · Maintainers:
Chengchang Tang, Junxian Huang, Jason Gunthorpe, Leon Romanovsky, Linus Torvalds
This patch added a new verbs that is getting port immutable. It is added in the 4.5 kernel and latest. It is necessary to solve the fail questions for registering ib device. Signed-off-by: Wei Hu <redacted> Signed-off-by: Lijun Ou <redacted> --- PATCH v9: - No change over the PATCH v8 PATCH v8: - The initial patch --- --- drivers/infiniband/hw/hns/hns_roce_main.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+)
diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c
index 3a14c64..27c2650 100644
--- a/drivers/infiniband/hw/hns/hns_roce_main.c
+++ b/drivers/infiniband/hw/hns/hns_roce_main.c@@ -571,6 +571,25 @@ static int hns_roce_mmap(struct ib_ucontext *context, return 0; } +static int hns_roce_port_immutable(struct ib_device *ib_dev, u8 port_num, + struct ib_port_immutable *immutable) +{ + struct ib_port_attr attr; + int ret; + + ret = hns_roce_query_port(ib_dev, port_num, &attr); + if (ret) + return ret; + + immutable->pkey_tbl_len = attr.pkey_tbl_len; + immutable->gid_tbl_len = attr.gid_tbl_len; + + immutable->core_cap_flags = RDMA_CORE_PORT_IBA_ROCE; + immutable->max_mad_size = IB_MGMT_MAD_SIZE; + + return 0; +} + static void hns_roce_unregister_device(struct hns_roce_dev *hr_dev) { struct hns_roce_ib_iboe *iboe = &hr_dev->iboe;
@@ -656,6 +675,9 @@ static int hns_roce_register_device(struct hns_roce_dev *hr_dev) ib_dev->reg_user_mr = hns_roce_reg_user_mr; ib_dev->dereg_mr = hns_roce_dereg_mr; + /* OTHERS */ + ib_dev->get_port_immutable = hns_roce_port_immutable; + ret = ib_register_device(ib_dev, NULL); if (ret) { dev_err(dev, "ib_register_device failed!\n");
--
1.9.1