From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 08A17C433DF for ; Tue, 23 Jun 2020 06:23:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D1AB4206E2 for ; Tue, 23 Jun 2020 06:23:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730419AbgFWGX4 (ORCPT ); Tue, 23 Jun 2020 02:23:56 -0400 Received: from mx2.suse.de ([195.135.220.15]:46406 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730395AbgFWGX4 (ORCPT ); Tue, 23 Jun 2020 02:23:56 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id EEFF2AAF1; Tue, 23 Jun 2020 06:23:53 +0000 (UTC) Subject: Re: [PATCHv3 5/5] nvme: support for zoned namespaces To: Keith Busch , linux-nvme@lists.infradead.org, hch@lst.de, sagi@grimberg.me, linux-block@vger.kernel.org, axboe@kernel.dk Cc: Keith Busch , "Martin K . Petersen" , Hans Holmberg , Dmitry Fomichev , Ajay Joshi , Aravind Ramesh , Niklas Cassel , =?UTF-8?Q?Matias_Bj=c3=b8rling?= , Damien Le Moal References: <20200622162530.1287650-1-kbusch@kernel.org> <20200622162530.1287650-6-kbusch@kernel.org> From: Hannes Reinecke Message-ID: <2d6a9208-944c-efff-718b-e2ff616dd649@suse.de> Date: Tue, 23 Jun 2020 08:23:51 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: <20200622162530.1287650-6-kbusch@kernel.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On 6/22/20 6:25 PM, Keith Busch wrote: > From: Keith Busch > > Add support for NVM Express Zoned Namespaces (ZNS) Command Set defined > in NVM Express TP4053. Zoned namespaces are discovered based on their > Command Set Identifier reported in the namespaces Namespace > Identification Descriptor list. A successfully discovered Zoned > Namespace will be registered with the block layer as a host managed > zoned block device with Zone Append command support. A namespace that > does not support append is not supported by the driver. > > Reviewed-by: Martin K. Petersen > Signed-off-by: Hans Holmberg > Signed-off-by: Dmitry Fomichev > Signed-off-by: Ajay Joshi > Signed-off-by: Aravind Ramesh > Signed-off-by: Niklas Cassel > Signed-off-by: Matias Bjørling > Signed-off-by: Damien Le Moal > Signed-off-by: Keith Busch > --- > block/Kconfig | 5 +- > drivers/nvme/host/Makefile | 1 + > drivers/nvme/host/core.c | 91 ++++++++++++-- > drivers/nvme/host/nvme.h | 39 ++++++ > drivers/nvme/host/zns.c | 245 +++++++++++++++++++++++++++++++++++++ > include/linux/nvme.h | 114 ++++++++++++++++- > 6 files changed, 480 insertions(+), 15 deletions(-) > create mode 100644 drivers/nvme/host/zns.c > Reviewed-by: Hannes Reinecke Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking hare@suse.de +49 911 74053 688 SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg HRB 36809 (AG Nürnberg), Geschäftsführer: Felix Imendörffer