From patchwork Wed Dec 2 06:22:24 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chaitanya Kulkarni X-Patchwork-Id: 11944781 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=-16.5 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 A4149C64E8A for ; Wed, 2 Dec 2020 06:24:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4538722202 for ; Wed, 2 Dec 2020 06:24:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728528AbgLBGYq (ORCPT ); Wed, 2 Dec 2020 01:24:46 -0500 Received: from esa4.hgst.iphmx.com ([216.71.154.42]:64091 "EHLO esa4.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728462AbgLBGYq (ORCPT ); Wed, 2 Dec 2020 01:24:46 -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=1606890285; x=1638426285; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=m/bvl+lK7ll6HRYiQ0kG1ndR5SFePuzrxfzuz5g9atQ=; b=UmMT1AHjF+PQ6W1tX+5Ve9nuL3LrlN+uqpMc9PkPaKxiRhHBuXyKfz5W KWvBRmaL1XCcMom3W4MyJXY55HEr+P/65xm7cIftlO/nKADC6z6ykWHUE VecpQkgPkvOpwDgT+LSMjEID+hnfSBS0eXLFQ5W9JMy7E91il5G/zdI4c bMcR7ehmwLh9NRhTIc8GHUZsc42wer8qVathm5BwaKlKh4EZbgR9n4Su3 gkwzpzNEYB06XBOTzGEXc+bo2CvbhNyAxDMWo1cpIKBHgc1d2VJ0aZmnc vcWgxmxmXNjo1mleSnXD3/iX0591LXANjiwsMDuNsSb8iG1walfXm/w2A A==; IronPort-SDR: N9Q0JKyxBY2Mm2bReMOXRpqlAvv3j9wCcai/yoR+1u23pfM8QenfBhRANyH0lkyyG0tf7VxveM XuZp35caUapKy4UW5gxeNV0BX4Vtl8yFAW8ToiaRo2pUn/fLDjOqJ68T9a4qGdXh8/4SZD3RWF EMr9/uaZJ/M4FqxL/X8wEk9kc/ruoWL/G6TSM+qBwkGSZp8P19k7SzSXzo+P7UNZSQr104ygqy rV2hJ5yi0bBauxKTudweRNuNAdcW0S29N5n6OM1p3qEjbfZOW+5MfTfU/wvo+xnhg8k3SWdyM9 dZ0= X-IronPort-AV: E=Sophos;i="5.78,385,1599494400"; d="scan'208";a="153932884" Received: from h199-255-45-15.hgst.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 02 Dec 2020 14:23:40 +0800 IronPort-SDR: /uWq/Wyl2fIeqLakbDkMLsFRiqYmfxzVPsbe80zjs9i6lxBErjnKAvbDLCLLcfPnRAEfydOect NxJDxCGlD7p9ABfoPjYCCWOIu0WWPlFpw= Received: from uls-op-cesaip02.wdc.com ([10.248.3.37]) by uls-op-cesaep02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Dec 2020 22:07:52 -0800 IronPort-SDR: uAvQnVjL1BD+KQuTygNy/y8RUkvVQGlyDCNHcfrpeh6fTnotxPc4aT5mSLjG9SdiUup1AE/oVO gYiUxrgjPNWg== 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; 01 Dec 2020 22:23:40 -0800 From: Chaitanya Kulkarni To: linux-block@vger.kernel.org, linux-nvme@lists.infradead.org Cc: sagi@grimberg.me, hch@lst.de, damien.lemoal@wdc.com, johannes.thumshirn@wdc.com, Chaitanya Kulkarni Subject: [PATCH V4 6/9] nvmet: add cns-cs-ns in id-ctrl for ZNS bdev Date: Tue, 1 Dec 2020 22:22:24 -0800 Message-Id: <20201202062227.9826-7-chaitanya.kulkarni@wdc.com> X-Mailer: git-send-email 2.22.1 In-Reply-To: <20201202062227.9826-1-chaitanya.kulkarni@wdc.com> References: <20201202062227.9826-1-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: