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Thu, 8 Apr 2021 07:52:04 +0000 (GMT) Date: Thu, 8 Apr 2021 13:21:26 +0530 From: Padmakar Kalghatgi To: Keith Busch Cc: Chaitanya.Kulkarni@wdc.com, linux-nvme@lists.infradead.org, tasleson@redhat.com, tbzatek@redhat.com, prakash.v@samsung.com, d.palani@samsung.com, javier.gonz@samsung.com, k.jensen@samsung.com, mohit.kap@samsung.com, krish.reddy@samsung.com Subject: Re: libnvme questions Message-ID: <20210408075126.GC12847@test-zns> MIME-Version: 1.0 In-Reply-To: <20210407233706.GB32309@redsun51.ssa.fujisawa.hgst.com> User-Agent: Mutt/1.9.4 (2018-02-28) X-Brightmail-Tracker: H4sIAAAAAAAAA02Sf0yMcRzHfZ977p7njrPHVfOpyBypjFPRevw2Mk/GxPwYs+noUbfq3O5K ZBZaQ6SIrc50pXS7suiutduVo8uvyI84mSVrhHDlOFJ+lLt7zua/1+f9+b4/v/YleRIjP4hU KDNYtVKeJhWI8MbWiLDZqxuViZF5hiBa2/UJp/u/9wjoNy9dBN12uJlPn7F1IrqivhqjddVv Cfpy3zTafvYij+549YKgy35/IZaNZYw1xwWMqSqH+Wx9JmBONdQg5uiNE1gCf5toURKbptjL qucsSRSltA3WYapaYt/Q/Vv4IaQX5CMhCdQ8ePfLxM9HIlJCNSEobGtAnoSE+orApE/iEi4E dbVlRD4ivQ6dGed0C4LSP3qCC965g9FRzOPGqelwxfEC8xgEVDT8yFvskf2padCtK/V241HD CKr7Or1j+FEh0F3/2N2ZIMXUbHBGelQxNQHaSntxDwupODA4O70c4C5zo/EO5ikDVAUJRZ+1 iNsmDizWJxjHfvDxTgPBcRC4Bq4JOEMuAus3O84FRQjO6gZ8jqXQ0fzHyzwqBXRdAzinT4Zz 9+p8+ngo+NXrey8Gc9k/DoU3j1t8Nw2G84avPp0BU55LwJ00FwNbvaoITdH+t532v3YcL4Dj ziN8rft2PHcp/QjJYQRcscwpR/waFMiqNOnJrCZGFaVks2QaebomU5ks27Un3Yi832pmvBl1 9zhlNoSRyIaA5En9xeaC1ESJOEm+P5tV79mhzkxjNTYUTOLSiWJzZM8OCZUsz2BTWVbFqv9l MVIYdAiThG6xStpDhQm/O9aPJUtvXz52QDRhYXBM1k/dviqto0DaHMCED15QJKwZjY3pr3ho jY2DbS3xhlS+wRyQub1wRiUx7rpwMGpJ/NPWTtu3U7yp5bLTSYq7/hAOXa8rZ20+4PCvnbfl Q4h+uPfCq57AvtB+HI9e96VQJcu5Ld1pLHnvrLZkoxCd3y4mw1EfZrO3PioeOnldkZa+Qrt8 9PmI4+Ykl3DqxvyWTbFbE41Zz5sq7f2TTPwpJVVrkz/pxu3ubloZPcxYNSERcnv7hvLiYFBa c67SuZHxZMmI5diPk9GBK8K2uuK04Q/m+x3MNs2dZYi4uWrnpXUfhvaOabdIcU2KPGomT62R /wVc0zHsxQMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrLLMWRmVeSWpSXmKPExsWy7bCSnK7qtrwEg4fX9S1m3X7NYvH26wM2 i8d3PrNbnGzcw2ox6dA1RouFG5cxWcxf9pTdYs0LZYsrUxYxW1y8d5PdYt6fj+wO3B6bVnWy eWxeUu/xft9VNo++LasYPdoPdDMFsEZx2aSk5mSWpRbp2yVwZUz6v5il4C5LxefdbSwNjJ+Z uxg5OCQETCTm72DpYuTiEBLYwSjxq/kuWxcjJ1BcWmLfw+ssELawxMp/z9lBbCGBJ4wSz5/n gdgsAioS69/cZAKZwyZgJPG91RYkLCKgLHF3/kxWkJnMAj8ZJZa9uAY2U1hATuLuxguMXYzs HLwCuhIfDCDWNjNJ9P89zgpSwisgKHFy5hOwtcwCZhLzNj8EO5MZ6Jzl/zhAwpwCLhIrP1wD KxEFWnVg23GmCYyCs5B0z0LSPQuhewEj8ypGydSC4tz03GLDAqO81HK94sTc4tK8dL3k/NxN jOAY0dLawbhn1Qe9Q4xMHIyHGCU4mJVEeHf0ZicI8aYkVlalFuXHF5XmpBYfYpTmYFES573Q dTJeSCA9sSQ1OzW1ILUIJsvEwSnVwNTySbIzvKS0cs8FvyfFbvWWV91PVU8JMtsrHG5t0msX vP2mW0iM0u62vkNvY26zbOL/K3px+y71lNQny5X/yxhar/l7b8fNKbZdbA+kZj5doKnpt9lM 7mTzv9NTX/zWnLDndF5C62rFssWr/eqvhP5i6rvTKe4a1nrd/9vtmzozKnc+i5tZ5Dh9ycHZ Yl9v6c7q6CtXmpG4LGjGw+RXS5d86xR5aTz//uaHHi9dvv1UPnD9YYRc9udeuyBX/pc3rOKY l9jIWrQ+mC0T9kjCePs1jdrlZlGhXU5/n84917BRrvJmu9m2218fZkR1WzfOuuvhwaG8tazL 8ua/EHF17c/nsv5xPwj9HvmskP/2XVclluKMREMt5qLiRABjA+7BAAMAAA== X-CMS-MailID: 20210408075205epcas5p314456cfcffe8bbca80d8a6f4863423e4 X-Msg-Generator: CA Content-Type: multipart/mixed; boundary="----rgEYhHy71ys_9Aik3zA05GggeZdzMrLcIo7_3H64ey3n7nJd=_5e9d5_" X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P X-CMS-RootMailID: 20210407123854epcas5p48217db953741a57d651a8a8bf240ee23 References: <20210312161824.GA3953@redsun51.ssa.fujisawa.hgst.com> <20210407123806.23253-1-p.kalghatgi@samsung.com> <20210407233706.GB32309@redsun51.ssa.fujisawa.hgst.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210408_085252_171105_A8411E35 X-CRM114-Status: GOOD ( 14.23 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org ------rgEYhHy71ys_9Aik3zA05GggeZdzMrLcIo7_3H64ey3n7nJd=_5e9d5_ Content-Type: text/plain; charset="utf-8"; format="flowed" Content-Disposition: inline On Thu, Apr 08, 2021 at 08:37:06AM +0900, Keith Busch wrote: >On Wed, Apr 07, 2021 at 06:08:06PM +0530, Padmakar Kalghatgi wrote: >> Since most of the companies who develop SSDs, use MI(sideband) channel, we think this will be a good enhancement to the existing functionality which the nvme-cli provides. > >Can we even use this from a Linux host? I thought the sideband channel >was typically connected to the baseboard management controller. > Yes, this can be used from Linux host by having additional hardwares, like TotalPhase's aardvark, Corelis etc, which are connected to the NVMe device. ------rgEYhHy71ys_9Aik3zA05GggeZdzMrLcIo7_3H64ey3n7nJd=_5e9d5_ Content-Type: text/plain; charset="utf-8" ------rgEYhHy71ys_9Aik3zA05GggeZdzMrLcIo7_3H64ey3n7nJd=_5e9d5_ Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme ------rgEYhHy71ys_9Aik3zA05GggeZdzMrLcIo7_3H64ey3n7nJd=_5e9d5_--