On Thu, Dec 23, 2021 at 11:46:03PM +0800, Yanjun Zhu wrote:

在 2021/12/21 10:48, Cheng Xu 写道:

quoted

Signed-off-by: Cheng Xu <chengyou@linux.alibaba.com>
---
  include/uapi/rdma/erdma-abi.h | 49 +++++++++++++++++++++++++++++++++++
  1 file changed, 49 insertions(+)
  create mode 100644 include/uapi/rdma/erdma-abi.h

diff --git a/include/uapi/rdma/erdma-abi.h b/include/uapi/rdma/erdma-abi.h
new file mode 100644
index 000000000000..6bcba10c1e41
--- /dev/null
+++ b/include/uapi/rdma/erdma-abi.h

@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
+/*
+ * Copyright (c) 2020-2021, Alibaba Group.
+ */
+
+#ifndef __ERDMA_USER_H__
+#define __ERDMA_USER_H__
+
+#include <linux/types.h>
+
+#define ERDMA_ABI_VERSION       1

ERDMA_ABI_VERSION should be 2？

Why?

This field is for rdma-core and we don't have erdma provider in that
library yet. It always starts from 1 for new drivers.

Thanks