linux-kernel - Re: [PATCH net-next v6 00/10] net/smc: implement SMCv2.1 virtual ISM device support

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Message-ID: <6fb86598-6114-bc64-2400-543e95fba8a2@linux.alibaba.com>
Date: Tue, 19 Dec 2023 19:16:40 +0800
From: Wen Gu <guwen@...ux.alibaba.com>
To: Jan Karcher <jaka@...ux.ibm.com>, wintera@...ux.ibm.com,
 wenjia@...ux.ibm.com, hca@...ux.ibm.com, gor@...ux.ibm.com,
 agordeev@...ux.ibm.com, davem@...emloft.net, edumazet@...gle.com,
 kuba@...nel.org, pabeni@...hat.com, kgraul@...ux.ibm.com
Cc: borntraeger@...ux.ibm.com, svens@...ux.ibm.com,
 alibuda@...ux.alibaba.com, tonylu@...ux.alibaba.com, raspl@...ux.ibm.com,
 schnelle@...ux.ibm.com, guangguan.wang@...ux.alibaba.com,
 linux-s390@...r.kernel.org, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v6 00/10] net/smc: implement SMCv2.1 virtual ISM
 device support



On 2023/12/14 00:13, Jan Karcher wrote:
> 
> 
> On 12/12/2023 09:52, Wen Gu wrote:
>> The fourth edition of SMCv2 adds the SMC version 2.1 feature updates for
>> SMC-Dv2 with virtual ISM. Virtual ISM are created and supported mainly by
>> OS or hypervisor software, comparable to IBM ISM which is based on platform
>> firmware or hardware.
>>
>> With the introduction of virtual ISM, SMCv2.1 makes some updates:
>>
>> - Introduce feature bitmask to indicate supplemental features.
>> - Reserve a range of CHIDs for virtual ISM.
>> - Support extended GIDs (128 bits) in CLC handshake.
>>
>> So this patch set aims to implement these updates in Linux kernel. And it
>> acts as the first part of SMC-D virtual ISM extension & loopback-ism [1].
>>
>> [1] https://lore.kernel.org/netdev/1695568613-125057-1-git-send-email-guwen@linux.alibaba.com/
> 
> FYI I'm currently reviewing this version of the series.
> Hope to give you feedback by the end of tomorrow.
> 
> Thanks for your effort
> - Jan
> 

Thank you very much for your time, Jan. The new version (v7) is updated:
https://lore.kernel.org/netdev/20231219084536.8158-1-guwen@linux.alibaba.com/