From: Lijun Ou <oulijun@huawei.com>
Date: Sun, 3 Feb 2019 16:13:07 +0800
Subject: RDMA/hns: Configure capacity of hns device
Patch-mainline: v5.1-rc1
Git-commit: dad1f9802ecee3a21143293b2505e1b57b1ae525
References: bsc#1104427 FATE#326416 bsc#1137236

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>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/infiniband/hw/hns/hns_roce_main.c |    5 +++++
 1 file changed, 5 insertions(+)

--- a/drivers/infiniband/hw/hns/hns_roce_main.c
+++ b/drivers/infiniband/hw/hns/hns_roce_main.c
@@ -226,6 +226,11 @@ static int hns_roce_query_device(struct
 		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;
 }