diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h index ea735800eb18e8c6c5962349aa94152b13d636bf..e943b9864aa24fa13b2b173e342fe4dc84245540 100644 --- a/drivers/infiniband/hw/hns/hns_roce_device.h +++ b/drivers/infiniband/hw/hns/hns_roce_device.h @@ -74,6 +74,7 @@ #define MR_TYPE_DMA 0x03 #define PKEY_ID 0xffff +#define GUID_LEN 8 #define NODE_DESC_SIZE 64 #define SERV_TYPE_RC 0 diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c index 39e69c31c5f2586faacf16ce021d842050aeeebe..f0700f4ca2c34265092c66b7c7860d2d14f90549 100644 --- a/drivers/infiniband/hw/hns/hns_roce_main.c +++ b/drivers/infiniband/hw/hns/hns_roce_main.c @@ -797,6 +797,15 @@ static int hns_roce_get_cfg(struct hns_roce_dev *hr_dev) if (IS_ERR(hr_dev->reg_base)) return PTR_ERR(hr_dev->reg_base); + /* read the node_guid of IB device from the DT or ACPI */ + ret = device_property_read_u8_array(dev, "node-guid", + (u8 *)&hr_dev->ib_dev.node_guid, + GUID_LEN); + if (ret) { + dev_err(dev, "couldn't get node_guid from DT or ACPI!\n"); + return ret; + } + /* get the RoCE associated ethernet ports or netdevices */ for (i = 0; i < HNS_ROCE_MAX_PORTS; i++) { if (dev_of_node(dev)) {