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([2601:647:4802:9070:3910:5e55:b19d:2395]) by smtp.gmail.com with ESMTPSA id e17sm110443pfm.12.2020.02.20.08.29.48 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 20 Feb 2020 08:29:48 -0800 (PST) Subject: Re: NVMe/IB support To: Christoph Hellwig , Max Gurtovoy References: <12132471581079402@vla4-9d01d86ae0b7.qloud-c.yandex.net> <20200219152053.GA13942@infradead.org> <20200220142517.GA20993@infradead.org> <20200220153309.GA14266@infradead.org> From: Sagi Grimberg Message-ID: <9d9eaf6c-aa4f-b020-710e-45378e5f2507@grimberg.me> Date: Thu, 20 Feb 2020 08:29:47 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <20200220153309.GA14266@infradead.org> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200220_082951_768732_F8E34E2D X-CRM114-Status: GOOD ( 12.43 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Talker Alex , linux-nvme@lists.infradead.org Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org >> Are you saying that if one would like to use ADRFAM == AF_IB, he must have >> RDMA/CM stack that support IB addressing ? > > Yes. Correct, its referenced in the transport binding. >> seems little bit weird requirement... > > NVMeoF/RDMA is specified to use RDMA/CM for connection management. > There is no reason we could not also specify it on raw IB, but someone > would have to do the work and specify a binding for it. The simplicity is useful actually, so targets/hosts don't need to support both. _______________________________________________ linux-nvme mailing list linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme