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Message-ID: <83d3784e-1fed-36b6-22a8-52995fac429e@linux.alibaba.com> Date: Fri, 24 Nov 2023 21:34:41 +0800 From: Wen Gu <guwen@...ux.alibaba.com> To: Wenjia Zhang <wenjia@...ux.ibm.com>, wintera@...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, jaka@...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, linux-s390@...r.kernel.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH net-next 0/7] net/smc: implement SMCv2.1 virtual ISM device support On 2023/11/24 21:11, Wenjia Zhang wrote: > > > On 19.11.23 14:57, 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 the new version of [1]. >> >> [1] https://lore.kernel.org/netdev/1695568613-125057-1-git-send-email-guwen@linux.alibaba.com/ >> >> Wen Gu (7): >> net/smc: Rename some variable 'fce' to 'fce_v2x' for clarity >> net/smc: support SMCv2.x supplemental features negotiation >> net/smc: introduce virtual ISM device support feature >> net/smc: define a reserved CHID range for virtual ISM devices >> net/smc: compatible with 128-bits extend GID of virtual ISM device >> net/smc: disable SEID on non-s390 archs where virtual ISM may be used >> net/smc: manage system EID in SMC stack instead of ISM driver >> >> drivers/s390/net/ism.h | 6 --- >> drivers/s390/net/ism_drv.c | 54 +++++++-------------------- >> include/linux/ism.h | 1 - >> include/net/smc.h | 16 +++++--- >> net/smc/af_smc.c | 68 ++++++++++++++++++++++++++------- >> net/smc/smc.h | 7 ++++ >> net/smc/smc_clc.c | 93 ++++++++++++++++++++++++++++++++-------------- >> net/smc/smc_clc.h | 22 +++++++---- >> net/smc/smc_core.c | 30 ++++++++++----- >> net/smc/smc_core.h | 8 ++-- >> net/smc/smc_diag.c | 7 +++- >> net/smc/smc_ism.c | 57 ++++++++++++++++++++-------- >> net/smc/smc_ism.h | 31 +++++++++++++++- >> net/smc/smc_pnet.c | 4 +- >> 14 files changed, 269 insertions(+), 135 deletions(-) >> > > Hi Wen Gu, > > Just FYI, the review is still on going and some tests on our plateform still need to do. I'll give you my comments as > soon as the testing is done. I think it would be at the beginning of next week. > > Thanks, > Wenjia Hi Wenjian, Thank you very much. I appreciate that you help to test them on your platform since I can only test them with loopback-ism. And I am going to send a new version which is rebased to the latest net-next and fix two existing comments. If the current tests have not started yet, could you please test based on my upcoming v2 ? Thanks and regards, Wen Gu
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