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RDMA/efa: Add support for node guid

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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>
This commit is contained in:
Yehuda Yitschak 2024-08-22 17:11:43 +00:00 committed by Jason Gunthorpe
parent 86dfdd8288
commit 04e36fd27a
4 changed files with 6 additions and 0 deletions
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3
drivers/infiniband/hw/efa/efa_admin_cmds_defs.h
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@ -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 {

1
drivers/infiniband/hw/efa/efa_com_cmd.c
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@ -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(

1
drivers/infiniband/hw/efa/efa_com_cmd.h
View File

@ -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;

1
drivers/infiniband/hw/efa/efa_main.c
View File

@ -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;