static int hns_roce_query_device(struct ib_device *ib_dev,
				 struct ib_device_attr *props,
				 struct ib_udata *uhw)
{
	struct hns_roce_dev *hr_dev = to_hr_dev(ib_dev);

	memset(props, 0, sizeof(*props));

	props->sys_image_guid = cpu_to_be32(hr_dev->sys_image_guid);
	props->max_mr_size = (u64)(~(0ULL));
	props->page_size_cap = hr_dev->caps.page_size_cap;
	props->vendor_id = hr_dev->vendor_id;
	props->vendor_part_id = hr_dev->vendor_part_id;
	props->hw_ver = hr_dev->hw_rev;
	props->max_qp = hr_dev->caps.num_qps;
	props->max_qp_wr = hr_dev->caps.max_wqes;
	props->device_cap_flags = IB_DEVICE_PORT_ACTIVE_EVENT |
				  IB_DEVICE_RC_RNR_NAK_GEN;
	props->max_sge = max(hr_dev->caps.max_sq_sg, hr_dev->caps.max_rq_sg);
	props->max_sge_rd = 1;
	props->max_cq = hr_dev->caps.num_cqs;
	props->max_cqe = hr_dev->caps.max_cqes;
	props->max_mr = hr_dev->caps.num_mtpts;
	props->max_pd = hr_dev->caps.num_pds;
	props->max_qp_rd_atom = hr_dev->caps.max_qp_dest_rdma;
	props->max_qp_init_rd_atom = hr_dev->caps.max_qp_init_rdma;
	props->atomic_cap = IB_ATOMIC_NONE;
	props->max_pkeys = 1;
	props->local_ca_ack_delay = hr_dev->caps.local_ca_ack_delay;

	return 0;
}
Unknown