From patchwork Thu Nov 26 02:40:40 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chaitanya Kulkarni X-Patchwork-Id: 11932613 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 4AFAFC56201 for ; Thu, 26 Nov 2020 02:41:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EB177206C0 for ; Thu, 26 Nov 2020 02:41:48 +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="RLsKpijx" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732814AbgKZCls (ORCPT ); Wed, 25 Nov 2020 21:41:48 -0500 Received: from esa4.hgst.iphmx.com ([216.71.154.42]:32166 "EHLO esa4.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732808AbgKZCls (ORCPT ); Wed, 25 Nov 2020 21:41:48 -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=1606358507; x=1637894507; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=m/bvl+lK7ll6HRYiQ0kG1ndR5SFePuzrxfzuz5g9atQ=; b=RLsKpijxeoWaCjPEJqwuwUcZWiNLLreRm42sdMgesQ0xmNRo1J5PejFu tSlwJp4l2n6LEXpojuK2BFaLga2EmBR7WPr5eGA6Q2R8O2ntD6YreL1HH 7Pglrb4kecQkyKnYhZ6yDfgkqsebhZgUF+CLdpkag9CsIv1do08Fslbyg Z4pePU1DnvVKvdVaGem6dyVZc01hv3nZgfOjgD+Lzx0JQMXWYiTnjqaGB yG3k791lL6xT1OBuV9Esi7E594p+jiaURQU4iSnqfGkm2rpzKcxTrZj/u K8nsCaWgZj4HTDLsLgo5C7oWXUoqLFDnElKKY0t1gggHvsSbcb+id3UBK w==; IronPort-SDR: atUXOjgOc+XeNH3a4uwaT8W47/4Od4jlUYNSTs1zdl/stiqECLDfFUTsfGS+jzHboUVl68Ixy+ NgupnI//zLtKVCcQ+qxXrNSx0tvMs0bIQm7Tqq4d7lnEDEUNUuSTXCfdb02Mj8il2eKJ5S2Nt7 9LlgokzPveQISz6DoYmQLrHn87o/aKvQi6YrSsz7XjyiIZAnyt56mTPLAtlLNYu2GLy3uv+kvi 0Nz70g0RLeE50fNumYcxx176//ouZFCCYrr9wef3GkQaG4nmdVxODIDTqjY2aHSm5kWpIbc85l GZg= X-IronPort-AV: E=Sophos;i="5.78,370,1599494400"; d="scan'208";a="153445815" Received: from uls-op-cesaip01.wdc.com (HELO uls-op-cesaep01.wdc.com) ([199.255.45.14]) by ob1.hgst.iphmx.com with ESMTP; 26 Nov 2020 10:41:47 +0800 IronPort-SDR: GPqklYS4MhXPtuFScMcMrlLheJHOKS+ztswqH/HCKAIeUS4KASJ3mjXqDAgTDzPTCW+AaYmyyn C+a6BD9zgnGmAdaq6sANjDXFZE8tg9Vog= 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; 25 Nov 2020 18:27:29 -0800 IronPort-SDR: +iWkemWLEus9/qEDz+arSjP994rS0injMOm4Whacc+3WhZcSMUYFyUUIhPFKqwO10GgcjboJCV 6FfkLyZHkgLQ== 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; 25 Nov 2020 18:41:47 -0800 From: Chaitanya Kulkarni To: linux-block@vger.kernel.org, linux-nvme@lists.infradead.org Cc: sagi@grimberg.me, hch@lst.de, Chaitanya Kulkarni Subject: [PATCH 6/9] nvmet: add cns-cs-ns in id-ctrl for ZNS bdev Date: Wed, 25 Nov 2020 18:40:40 -0800 Message-Id: <20201126024043.3392-7-chaitanya.kulkarni@wdc.com> X-Mailer: git-send-email 2.22.1 In-Reply-To: <20201126024043.3392-1-chaitanya.kulkarni@wdc.com> References: <20201126024043.3392-1-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: