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@xxxxxxxxxx>
Signed-off-by: Lijun Ou <oulijun@xxxxxxxxxx>
---
drivers/infiniband/hw/hns/hns_roce_main.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c
index c79054b..842b5cf 100644
--- 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 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;
}
--
1.9.1
