linux-kernel - [for-next PATCH v6 03/10] RDMA/rxe: Extend rxe user ABI to support flush

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20221116081951.32750-4-lizhijian@fujitsu.com>
Date:   Wed, 16 Nov 2022 16:19:44 +0800
From:   Li Zhijian <lizhijian@...itsu.com>
To:     zyjzyj2000@...il.com, jgg@...pe.ca, leon@...nel.org,
        Bob Pearson <rpearsonhpe@...il.com>, linux-rdma@...r.kernel.org
Cc:     Mark Bloch <mbloch@...dia.com>, Tom Talpey <tom@...pey.com>,
        tomasz.gromadzki@...el.com,
        Dan Williams <dan.j.williams@...el.com>,
        Xiao Yang <yangx.jy@...itsu.com>, y-goto@...itsu.com,
        linux-kernel@...r.kernel.org, Li Zhijian <lizhijian@...itsu.com>
Subject: [for-next PATCH v6 03/10] RDMA/rxe: Extend rxe user ABI to support flush

This commit extends the rxe user ABI to support the flush
operation defined in IBA A19.4.1. These changes are
backwards compatible with the existing rxe user ABI.

The user API request a flush by filling this structure.

Reviewed-by: Zhu Yanjun <zyjzyj2000@...il.com>
Signed-off-by: Li Zhijian <lizhijian@...itsu.com>
---
V5: new patch split scheme, suggested by Bob
---
 include/uapi/rdma/rdma_user_rxe.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/uapi/rdma/rdma_user_rxe.h b/include/uapi/rdma/rdma_user_rxe.h
index 73f679dfd2df..e2b93df94590 100644
--- a/include/uapi/rdma/rdma_user_rxe.h
+++ b/include/uapi/rdma/rdma_user_rxe.h
@@ -82,6 +82,13 @@ struct rxe_send_wr {
 		__u32		invalidate_rkey;
 	} ex;
 	union {
+		struct {
+			__aligned_u64 remote_addr;
+			__u32	length;
+			__u32	rkey;
+			__u8	type;
+			__u8	level;
+		} flush;
 		struct {
 			__aligned_u64 remote_addr;
 			__u32	rkey;
-- 
2.31.1