Commit dad1f980 authored Feb 03, 2019 by Lijun Ou Committed by Jason Gunthorpe Feb 14, 2019

RDMA/hns: Configure capacity of hns device



This patch adds new device capability for IB_DEVICE_MEM_MGT_EXTENSIONS to
indicate device support for the following features:

1. Fast register memory region.
2. send with remote invalidate by frmr
3. local invalidate memory regsion

As well as adds the max depth of frmr page list len.

Signed-off-by: Yangyang Li <liyangyang20@huawei.com>
Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

parent e95c716c

drivers/infiniband/hw/hns/hns_roce_main.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -226,6 +226,11 @@ static int hns_roce_query_device(struct ib_device *ib_dev,
		props->max_srq_sge = hr_dev->caps.max_srq_sges;
		}

		if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_FRMR) {
		props->device_cap_flags \|= IB_DEVICE_MEM_MGT_EXTENSIONS;
		props->max_fast_reg_page_list_len = HNS_ROCE_FRMR_MAX_PA;
		}

		return 0;
		}