diff options
| author | Yehuda Yitschak <yehuday@amazon.com> | 2024-08-22 17:11:43 +0000 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2024-08-23 11:52:45 -0300 |
| commit | 04e36fd27a2aebb03ef019debc4df247f2a427c6 (patch) | |
| tree | 1a1f906fb1bb14bc549f957ea2d2befa56b56a11 | |
| parent | 86dfdd8288907f03c18b7fb462e0e232c4f98d89 (diff) | |
| download | lwn-04e36fd27a2aebb03ef019debc4df247f2a427c6.tar.gz lwn-04e36fd27a2aebb03ef019debc4df247f2a427c6.zip | |
RDMA/efa: Add support for node guid
Propagate the unique, per device, ID in the device attributes to the
standard node_guid value in IB device.
Link: https://patch.msgid.link/r/20240822171143.2800-1-mrgolin@amazon.com
Reviewed-by: Yonatan Nachum <ynachum@amazon.com>
Signed-off-by: Yehuda Yitschak <yehuday@amazon.com>
Signed-off-by: Michael Margolin <mrgolin@amazon.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
| -rw-r--r-- | drivers/infiniband/hw/efa/efa_admin_cmds_defs.h | 3 | ||||
| -rw-r--r-- | drivers/infiniband/hw/efa/efa_com_cmd.c | 1 | ||||
| -rw-r--r-- | drivers/infiniband/hw/efa/efa_com_cmd.h | 1 | ||||
| -rw-r--r-- | drivers/infiniband/hw/efa/efa_main.c | 1 |
4 files changed, 6 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h b/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h index 4296662e59c3..cd03a5429beb 100644 --- a/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h +++ b/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h @@ -674,6 +674,9 @@ struct efa_admin_feature_device_attr_desc { /* Max RDMA transfer size in bytes */ u32 max_rdma_size; + + /* Unique global ID for an EFA device */ + u64 guid; }; struct efa_admin_feature_queue_attr_desc { diff --git a/drivers/infiniband/hw/efa/efa_com_cmd.c b/drivers/infiniband/hw/efa/efa_com_cmd.c index 5b9c2b16df0e..5a774925cdea 100644 --- a/drivers/infiniband/hw/efa/efa_com_cmd.c +++ b/drivers/infiniband/hw/efa/efa_com_cmd.c @@ -465,6 +465,7 @@ int efa_com_get_device_attr(struct efa_com_dev *edev, result->db_bar = resp.u.device_attr.db_bar; result->max_rdma_size = resp.u.device_attr.max_rdma_size; result->device_caps = resp.u.device_attr.device_caps; + result->guid = resp.u.device_attr.guid; if (result->admin_api_version < 1) { ibdev_err_ratelimited( diff --git a/drivers/infiniband/hw/efa/efa_com_cmd.h b/drivers/infiniband/hw/efa/efa_com_cmd.h index 9714105fcf7e..668d033f7477 100644 --- a/drivers/infiniband/hw/efa/efa_com_cmd.h +++ b/drivers/infiniband/hw/efa/efa_com_cmd.h @@ -112,6 +112,7 @@ struct efa_com_get_device_attr_result { u8 addr[EFA_GID_SIZE]; u64 page_size_cap; u64 max_mr_pages; + u64 guid; u32 mtu; u32 fw_version; u32 admin_api_version; diff --git a/drivers/infiniband/hw/efa/efa_main.c b/drivers/infiniband/hw/efa/efa_main.c index 1a777791bea3..ad225823e6f2 100644 --- a/drivers/infiniband/hw/efa/efa_main.c +++ b/drivers/infiniband/hw/efa/efa_main.c @@ -441,6 +441,7 @@ static int efa_ib_device_add(struct efa_dev *dev) efa_set_host_info(dev); dev->ibdev.node_type = RDMA_NODE_UNSPECIFIED; + dev->ibdev.node_guid = dev->dev_attr.guid; dev->ibdev.phys_port_cnt = 1; dev->ibdev.num_comp_vectors = dev->neqs ?: 1; dev->ibdev.dev.parent = &pdev->dev; |