IB/mlx5: Add ODP support to MW
Internally MW implemented as KLM MKey and filled by userspace UMR
postsends. Handle pagefault trigered by operations on this MKeys.
Signed-off-by: Artemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index 9a74260..93c0e82 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -1688,6 +1688,7 @@ struct ib_mw *mlx5_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
mw->mmkey.type = MLX5_MKEY_MW;
mw->ibmw.rkey = mw->mmkey.key;
+ mw->ndescs = ndescs;
resp.response_length = min(offsetof(typeof(resp), response_length) +
sizeof(resp.response_length), udata->outlen);