[PATCH rdma-next V2 22/27] RDMA/netlink: Export node_guid and sys_image_guid

[Leon Romanovsky]

From: Leon Romanovsky <leo...@mellanox.com>

Add Node GUID and system image GUID to the device properties
exported by RDMA netlink, to be used by RDMAtool.

Signed-off-by: Leon Romanovsky <leo...@mellanox.com>
---
 drivers/infiniband/core/nldev.c  |  8 ++++++++
 include/uapi/rdma/rdma_netlink.h | 13 +++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c
index 40d5f0eb16f5..fde0138fff5f 100644
--- a/drivers/infiniband/core/nldev.c
+++ b/drivers/infiniband/core/nldev.c
@@ -42,6 +42,8 @@ static const struct nla_policy 
nldev_policy[RDMA_NLDEV_ATTR_MAX] = {
        [RDMA_NLDEV_ATTR_PORT_INDEX]    = { .type = NLA_U32 },
        [RDMA_NLDEV_ATTR_FW_VERSION]    = { .type = NLA_NUL_STRING,
                                            .len = IB_FW_VERSION_NAME_MAX - 1},
+       [RDMA_NLDEV_ATTR_NODE_GUID]     = { .type = NLA_U64 },
+       [RDMA_NLDEV_ATTR_SYS_IMAGE_GUID] = { .type = NLA_U64 },
 };
 
 static int fill_dev_info(struct sk_buff *msg, struct ib_device *device)
@@ -65,6 +67,12 @@ static int fill_dev_info(struct sk_buff *msg, struct 
ib_device *device)
        if (strlen(fw) && nla_put_string(msg, RDMA_NLDEV_ATTR_FW_VERSION, fw))
                return -EMSGSIZE;
 
+       if (nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_NODE_GUID,
+                             be64_to_cpu(device->node_guid), 0))
+               return -EMSGSIZE;
+       if (nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_SYS_IMAGE_GUID,
+                             be64_to_cpu(device->attrs.sys_image_guid), 0))
+               return -EMSGSIZE;
        return 0;
 }
 
diff --git a/include/uapi/rdma/rdma_netlink.h b/include/uapi/rdma/rdma_netlink.h
index fec735f73eee..b34f7745daf0 100644
--- a/include/uapi/rdma/rdma_netlink.h
+++ b/include/uapi/rdma/rdma_netlink.h
@@ -266,6 +266,19 @@ enum rdma_nldev_attr {
         * FW version
         */
        RDMA_NLDEV_ATTR_FW_VERSION,             /* string */
+
+       /*
+        * Node GUID (in host byte order) associated with the RDMA device.
+        */
+       RDMA_NLDEV_ATTR_NODE_GUID,                      /* u64 */
+
+       /*
+        * System image GUID (in host byte order) associated with
+        * this RDMA device and other devices which are part of a
+        * single system.
+        */
+       RDMA_NLDEV_ATTR_SYS_IMAGE_GUID,         /* u64 */
+
        RDMA_NLDEV_ATTR_MAX
 };
 #endif /* _UAPI_RDMA_NETLINK_H */
-- 
2.13.2