From patchwork Mon Nov 30 03:29:06 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chaitanya Kulkarni X-Patchwork-Id: 11939665 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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 564D5C63777 for ; Mon, 30 Nov 2020 03:31:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EF65220705 for ; Mon, 30 Nov 2020 03:31:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=wdc.com header.i=@wdc.com header.b="HDdVQZ01" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728491AbgK3DbF (ORCPT ); Sun, 29 Nov 2020 22:31:05 -0500 Received: from esa3.hgst.iphmx.com ([216.71.153.141]:30921 "EHLO esa3.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728316AbgK3DbE (ORCPT ); Sun, 29 Nov 2020 22:31:04 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1606707063; x=1638243063; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=m/bvl+lK7ll6HRYiQ0kG1ndR5SFePuzrxfzuz5g9atQ=; b=HDdVQZ01MelWNtD4omtMk96mCMAdp3PoCrbvIsilr9UObMQAvjj2lHqX XRbBl5oktdVwm2eS9qflP/s5b7+BGGt4pS5P4C3rAY5izwi2SbwIVOEta vBwF8CApDSZhlRQEMO6e4ybImHQhxDxeabTslDtTh42aPKuJOviGU9L8/ VgO4tSH7v8/jYjzumGYdXcTlAv4RicdwAXdhSvvKqMthMREugnkaH/taA sIKmx5+5aMZEfcHzRQtmMgBjcrSNfSJoW3x2QlcnJFo+Ptn//zmRuxbvM WXSGBAnUMw/SIft8/6XZw4Cnt3aXKxKrdbj4h2yU6cfYN9c9vTDjJvu3E Q==; IronPort-SDR: TxAlE2An9q/CVwARNiv3zPizoccRASYFHdu6VkWih2bhZ3O/rY+jRdjxJFoCTt+ScanTur48CB NMI8IS32AQdMzMhMRcTf+/ecBfpJqyhoVNs5U1kuWArWdXBEFiAxN/wMvxSc02r/JmuvfrX5x4 709tcp8WaTZ1z2KvjBszRaOaE82LOe0cpfM3i0Vv2CBvd8MnQzPldY7SWJVzdPV7mdX9xhxyZ/ 2jOgNZ/5r2hGDB6Fj5Mhrt7azHBMtoCro1HxJ6MqIZGbZPsFpZjju0M49LaLlz7uW7nVzECnA8 Edc= X-IronPort-AV: E=Sophos;i="5.78,379,1599494400"; d="scan'208";a="158242330" Received: from h199-255-45-14.hgst.com (HELO uls-op-cesaep01.wdc.com) ([199.255.45.14]) by ob1.hgst.iphmx.com with ESMTP; 30 Nov 2020 11:29:58 +0800 IronPort-SDR: 1etDQ/Q0tYF3kMPjJDYy8Le5jbF0l3SN+0HgnXXLyjkEg94TO2igzVAmJWPEKVU7UVWsLiBtap 5Wr5Ot5iJ98JlJbRcHxtx7+xitvEG5BLo= Received: from uls-op-cesaip02.wdc.com ([10.248.3.37]) by uls-op-cesaep01.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Nov 2020 19:15:35 -0800 IronPort-SDR: 1cd6sDZyQ0eW+cQgh9SqyaYRHq8ZG37xwpOgg+VbZJJk9PztxYllEcyJRy/LJq1CZAp2FZGK55 q0ZDYSBiUV9g== WDCIronportException: Internal Received: from vm.labspan.wdc.com (HELO vm.sc.wdc.com) ([10.6.137.102]) by uls-op-cesaip02.wdc.com with ESMTP; 29 Nov 2020 19:29:58 -0800 From: Chaitanya Kulkarni To: linux-block@vger.kernel.org, linux-nvme@lists.infradead.org Cc: hch@lst.de, sagi@grimberg.me, damien.lemoal@wdc.com, Chaitanya Kulkarni Subject: [PATCH V2 6/9] nvmet: add cns-cs-ns in id-ctrl for ZNS bdev Date: Sun, 29 Nov 2020 19:29:06 -0800 Message-Id: <20201130032909.40638-7-chaitanya.kulkarni@wdc.com> X-Mailer: git-send-email 2.22.1 In-Reply-To: <20201130032909.40638-1-chaitanya.kulkarni@wdc.com> References: <20201130032909.40638-1-chaitanya.kulkarni@wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Update the nvmet_execute_identify() such that it can now handle NVME_ID_CNS_CS_NS when identify.cis is set to ZNS. This allows host to identify the ns with ZNS capabilities. Signed-off-by: Chaitanya Kulkarni --- drivers/nvme/target/admin-cmd.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c index e7d2b96cda6b..cd368cbe3855 100644 --- a/drivers/nvme/target/admin-cmd.c +++ b/drivers/nvme/target/admin-cmd.c @@ -648,6 +648,10 @@ static void nvmet_execute_identify(struct nvmet_req *req) switch (req->cmd->identify.cns) { case NVME_ID_CNS_NS: return nvmet_execute_identify_ns(req); + case NVME_ID_CNS_CS_NS: + if (req->cmd->identify.csi == NVME_CSI_ZNS) + return nvmet_execute_identify_cns_cs_ns(req); + break; case NVME_ID_CNS_CTRL: return nvmet_execute_identify_ctrl(req); case NVME_ID_CNS_CS_CTRL: