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;
}