From: "lizhijian@fujitsu.com" <lizhijian@fujitsu.com>
To: Yanjun Zhu <yanjun.zhu@linux.dev>, Jason Gunthorpe <jgg@nvidia.com>
Cc: Bob Pearson <rpearsonhpe@gmail.com>,
Leon Romanovsky <leon@kernel.org>,
"linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>,
Zhu Yanjun <zyjzyj2000@gmail.com>,
"yangx.jy@fujitsu.com" <yangx.jy@fujitsu.com>,
"Yasunori Gotou (Fujitsu)" <y-goto@fujitsu.com>,
"mbloch@nvidia.com" <mbloch@nvidia.com>,
"liangwenpeng@huawei.com" <liangwenpeng@huawei.com>,
"tom@talpey.com" <tom@talpey.com>,
"tomasz.gromadzki@intel.com" <tomasz.gromadzki@intel.com>,
"dan.j.williams@intel.com" <dan.j.williams@intel.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [for-next PATCH v5 00/11] RDMA/rxe: Add RDMA FLUSH operation
Date: Fri, 11 Nov 2022 06:38:51 +0000 [thread overview]
Message-ID: <84353223-4286-10d2-c358-599ada6550f1@fujitsu.com> (raw)
In-Reply-To: <7ee2c646-0be0-5a37-83bd-110d8a8717d7@linux.dev>
On 11/11/2022 14:30, Yanjun Zhu wrote:
>>
>> After these patches, only RXE device can register *FLUSHABLE* MRs
>> successfully. If mlx try that, EOPNOSUPP will be returned.
>>
>> Similarly, Since other hardwares(MLX for example) have not supported
>> FLUSH operation, EOPNOSUPP will be returned if users try to to that.
>>
>> In short, for RXE requester, MLX responder will return error for the
>> request. MLX requester is not able to request a FLUSH operation.
>
> Thanks. Do you mean that FLUSH operation is only supported in RXE? ^_^
>
> And MLX does not support FLUSH operation currently?
IMO, FLUSH and Atomic Write are newly introduced by IBA spec 1.5
published in 2021. So hardware/drivers(MLX) should do something to
support it.
next prev parent reply other threads:[~2022-11-11 6:39 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-27 5:53 [for-next PATCH v5 00/11] RDMA/rxe: Add RDMA FLUSH operation Li Zhijian
2022-09-27 5:53 ` [for-next PATCH v5 01/11] RDMA/rxe: make sure requested access is a subset of {mr,mw}->access Li Zhijian
2022-10-28 17:45 ` Jason Gunthorpe
2022-09-27 5:53 ` [for-next PATCH v5 02/11] RDMA: Extend RDMA user ABI to support flush Li Zhijian
2022-09-27 5:53 ` [for-next PATCH v5 03/11] RDMA: Extend RDMA kernel verbs " Li Zhijian
2022-09-29 6:21 ` Li Zhijian
2022-09-30 18:04 ` Jason Gunthorpe
2022-10-28 17:44 ` Jason Gunthorpe
2022-10-29 3:15 ` Li Zhijian
2022-09-27 5:53 ` [for-next PATCH v5 04/11] RDMA/rxe: Extend rxe user " Li Zhijian
2022-09-27 5:53 ` [for-next PATCH v5 05/11] RDMA/rxe: Allow registering persistent flag for pmem MR only Li Zhijian
2022-10-28 17:53 ` Jason Gunthorpe
2022-10-30 3:33 ` Li Zhijian
2022-09-27 5:53 ` [for-next PATCH v5 06/11] RDMA/rxe: Extend rxe packet format to support flush Li Zhijian
2022-11-11 8:43 ` Yanjun Zhu
2022-11-11 8:55 ` lizhijian
2022-11-11 9:28 ` Yanjun Zhu
2022-09-27 5:53 ` [for-next PATCH v5 07/11] RDMA/rxe: Implement RC RDMA FLUSH service in requester side Li Zhijian
2022-09-27 5:53 ` [for-next PATCH v5 08/11] RDMA/rxe: Implement flush execution in responder side Li Zhijian
2022-09-27 5:53 ` [for-next PATCH v5 09/11] RDMA/rxe: Implement flush completion Li Zhijian
2022-09-27 5:53 ` [for-next PATCH v5 10/11] RDMA/cm: Make QP FLUSHABLE Li Zhijian
2022-09-27 5:53 ` [for-next PATCH v5 11/11] RDMA/rxe: Enable RDMA FLUSH capability for rxe device Li Zhijian
2022-10-28 17:44 ` [for-next PATCH v5 00/11] RDMA/rxe: Add RDMA FLUSH operation Jason Gunthorpe
2022-10-28 17:57 ` Jason Gunthorpe
2022-11-11 2:49 ` Yanjun Zhu
2022-11-11 5:10 ` lizhijian
2022-11-11 5:52 ` Yanjun Zhu
2022-11-11 6:10 ` lizhijian
2022-11-11 6:30 ` Yanjun Zhu
2022-11-11 6:38 ` lizhijian [this message]
2022-11-11 7:08 ` Yanjun Zhu
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