From: Xiao Yang <yangx.jy@fujitsu.com>
Date: Thu, 1 Dec 2022 14:37:07 +0000 (+0000)
Subject: RDMA/rxe: Extend rxe user ABI to support atomic write
X-Git-Tag: v6.6.7~3875^2~35
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c2d939002934fa9d7b802f196b069963b46da194;p=platform%2Fkernel%2Flinux-starfive.git

RDMA/rxe: Extend rxe user ABI to support atomic write

Define an atomic_wr array to store 8-byte value.

Link: https://lore.kernel.org/r/1669905432-14-4-git-send-email-yangx.jy@fujitsu.com
Signed-off-by: Xiao Yang <yangx.jy@fujitsu.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
---

diff --git a/include/uapi/rdma/rdma_user_rxe.h b/include/uapi/rdma/rdma_user_rxe.h
index 73f679d..d20d1ec 100644
--- a/include/uapi/rdma/rdma_user_rxe.h
+++ b/include/uapi/rdma/rdma_user_rxe.h
@@ -146,6 +146,7 @@ struct rxe_dma_info {
 	__u32			reserved;
 	union {
 		__DECLARE_FLEX_ARRAY(__u8, inline_data);
+		__DECLARE_FLEX_ARRAY(__u8, atomic_wr);
 		__DECLARE_FLEX_ARRAY(struct rxe_sge, sge);
 	};
 };