From patchwork Mon Nov 30 03:29:05 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chaitanya Kulkarni X-Patchwork-Id: 11939671 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 67645C63777 for ; Mon, 30 Nov 2020 03:31:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1838F20757 for ; Mon, 30 Nov 2020 03:31:34 +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="B7zQlVUj" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728606AbgK3Dbd (ORCPT ); Sun, 29 Nov 2020 22:31:33 -0500 Received: from esa5.hgst.iphmx.com ([216.71.153.144]:7669 "EHLO esa5.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728316AbgK3Dbd (ORCPT ); Sun, 29 Nov 2020 22:31:33 -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=1606707092; x=1638243092; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=+iv8i8xvGTKjTFiSy9i/jgbNCBRhvNbZSotD5vVTWDc=; b=B7zQlVUjpQhB+TxGszzissP/i90gyIndK+Z50Pk2el/xVav3hiudQRbs SkW2IhAGqG4AGFP5ubFVewdf/Vyv4y5F8P0SlYLOIHTzUoEkMcVtQPjqX wWiLqBWgysGW9BOF9yGvHr/OvqGBqdMwOwDCRWr4SwaxB+jKMxPKNLysA JnxwLxt6D+XYRN8WUcLB0FhaE8dfUxZV3Ss1vn3wJH90T8x0FHN8UFtKY lLP2Kd19Rglp8gMm4jknAg2EVhOPZMoH4jiGmJDqcXXTmJ6Er9JJmzBhX /QsKXGgnJwlZpxq8rNV33p94KOkB5bm2Ae6K1EFY2YjblycgSDuWI4W6P w==; IronPort-SDR: RfownR/igd/+cQ2lzPzDTDE4DIklwiLMHhoTEWpqPqnZX23q+7JeXFcupm8KayvIGMPMy8MSSI mMoEejbz2CjmRG1f65M3fDRcfn56IUpUvCq2LGEkfZbhGu+zWjmW3Smg1LO2JR7I2k4BAo79aF qMW6qdYNlAvFVtONp45SkaEK15g8XfZ1e7WFLu1pKhHKe7S9vFFyjAicrvO5JBQjaUpwcrnGm2 Mg9LT+QNBDhe9xrneZ59Zk2z5CvtFliaoAkcpXQnk/uAGPKB2lTda5Q2g0DyOevPq0cVKp1dq/ ktI= X-IronPort-AV: E=Sophos;i="5.78,379,1599494400"; d="scan'208";a="153844127" Received: from uls-op-cesaip01.wdc.com (HELO uls-op-cesaep01.wdc.com) ([199.255.45.14]) by ob1.hgst.iphmx.com with ESMTP; 30 Nov 2020 11:29:52 +0800 IronPort-SDR: R5Oe9Tzsnn8GQKn3IpqJfHYiS+d2AkCR9JpSW/lTwcm6J9cEolKj0sRR8Qeo8qFahiO9g9VI1x K9R8htegaVJrGT4MdfXPODhzI66AE22HU= 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 19:15:29 -0800 IronPort-SDR: ZghdTP2hUjm0I1Qgwto2KfQJ9OGlJkbo1+lSPAJEzbmb15HOrtNBh91W5okyYiyTe/4R+GSkZb 5DTBgMLHPVUw== 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 19:29:52 -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 5/9] nvmet: add cns-cs-ctrl in id-ctrl for ZNS bdev Date: Sun, 29 Nov 2020 19:29:05 -0800 Message-Id: <20201130032909.40638-6-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_CTRL when identify.cis is set to ZNS. This allows host to identify the support for ZNS. 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 d4fc1bb1a318..e7d2b96cda6b 100644 --- a/drivers/nvme/target/admin-cmd.c +++ b/drivers/nvme/target/admin-cmd.c @@ -650,6 +650,10 @@ static void nvmet_execute_identify(struct nvmet_req *req) return nvmet_execute_identify_ns(req); case NVME_ID_CNS_CTRL: return nvmet_execute_identify_ctrl(req); + case NVME_ID_CNS_CS_CTRL: + if (req->cmd->identify.csi == NVME_CSI_ZNS) + return nvmet_execute_identify_cns_cs_ctrl(req); + break; case NVME_ID_CNS_NS_ACTIVE_LIST: return nvmet_execute_identify_nslist(req); case NVME_ID_CNS_NS_DESC_LIST: