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=-3.7 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=no 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 AD898C433DB for ; Mon, 15 Feb 2021 13:06:11 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4A33B64DEC for ; Mon, 15 Feb 2021 13:06:11 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4A33B64DEC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:MIME-Version:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Owner; bh=SkRlV8Z57lm3QpYS7sgYKxZsCedEwSX8Zwd2HpA3SEc=; b=WYS+coSlPqeExnT+DAnW49d+/k lS9VmRBEIUJtoPkxDQhbXM1vw1aoBt3lCl1g1ylmZadq7mUFz5GPtx1zzC6eiBzcfbHhR67QrcCnX qrsfArLO2nGYlndIhv9b/l+4OehBoHJjUoj5e/cQroxVhcOyIzxts819ibVNIIrmB3fsZ+hYUB24U 9DGf1kjOmrC3lwP8/ArNrpZgHBAck1zUREUDCH8ME9zK/hyFdCshTlMc6g/t7AZ1iPt5MpJllHJnQ UvPBgyKzSEnrH2XltfGuicyYZOJ/ITbbLpqMN1OP54o1hHLcslKEkczC1NrhYbqXcMJ62uEQ03srr PnrWuGAQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1lBdZm-0006hV-Dj; Mon, 15 Feb 2021 13:06:06 +0000 Received: from mail-pj1-x102a.google.com ([2607:f8b0:4864:20::102a]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1lBdZk-0006fh-1L for linux-nvme@lists.infradead.org; Mon, 15 Feb 2021 13:06:04 +0000 Received: by mail-pj1-x102a.google.com with SMTP id gx20so3902249pjb.1 for ; Mon, 15 Feb 2021 05:06:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=i/fS4Y3Otvx3oWyrxi4GU369s4aD1jUc3wRSqdU6+3A=; b=s5GmOaeXE9N3/iWrFnvPeI3wZPIzktWHKFXqlKyWz23bxn4zRODJn7g7+q8TsnZl9J JqQSSJHlte+EOFbYdbEJQcFxw+CronMIwbLjnlAYoY8zV8nxVAD7MKA9YFOZNq2eM2hF ZgQ1O27bwTa7mBtUCJUKqMrBlRxUwHIhR0lwH1ZbwOLLU6ye9g30PMksgvS4bTmKTyQv 6UoVW7u5agL7Z48SVkCJJ/hDcb5TkR27mDBjpC7sWBoLC1xPsRjjc3ChdSNDfmJVQtE9 0eCG8FI5ZvdgZVP1xP9weN+8bu1zvqsZI8guo5zdjNbyjb7lZrROyTH5jNgQb8uy3p6z Y7Mg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=i/fS4Y3Otvx3oWyrxi4GU369s4aD1jUc3wRSqdU6+3A=; b=iX+qzp2Ltv/4WqgFCVTCUExy74k3Qtbzi4iusTxu/gIReB0eCVZ436S0oGR2TJlE0V 02K9cTmpd2aqv1AOYKaXMHNE8HGgM/gTus8cRLJwS40BzRp/RPpkPAazTwAb1l6hAcEp oXt7Zqghe3eeNJo/6mHywUQeNs6F3EvdLXDbsNQiwWBIA4rSBYjHaZlnOSFIo10a1cuL NR0Uw5Ke+TPB96aspMptfiwP2jqVet7b0PGAW61Te3M9X7wh6lxMteK7wbtt69UUQMnZ EZhBboIQSTsudP9O4Ewy9mkz+AYzkiAg8X8GDEljB3HA0hFYh+Ys3b+aVKUeexj9HzN9 osuw== X-Gm-Message-State: AOAM533IIGqofh4jBVasVgJWDFgDABat5fjV/xg+coosXtXCFGjIXVdc kkbmo4tgavf8iCyamUCdtypSpYnDBBuPzQ== X-Google-Smtp-Source: ABdhPJxzsz/6ODrrwEu8xDi3TuvD7k817Px2DLDI/YXwYBPVGTmv7/XXGQjaP+IWBWZry0MTWguZrg== X-Received: by 2002:a17:90a:1b6c:: with SMTP id q99mr15821219pjq.137.1613394360346; Mon, 15 Feb 2021 05:06:00 -0800 (PST) Received: from localhost.localdomain ([211.108.35.36]) by smtp.gmail.com with ESMTPSA id q13sm11334490pfg.155.2021.02.15.05.05.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 Feb 2021 05:06:00 -0800 (PST) From: Minwoo Im To: linux-nvme@lists.infradead.org Subject: [PATCH 0/2] nvme: add command retry driver control flag Date: Mon, 15 Feb 2021 22:05:52 +0900 Message-Id: <20210215130554.32387-1-minwoo.im.dev@gmail.com> X-Mailer: git-send-email 2.17.1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210215_080604_125963_B8C59874 X-CRM114-Status: GOOD ( 10.91 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Keith Busch , Jens Axboe , Minwoo Im , Christoph Hellwig , Sagi Grimberg MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org Hello, This series is to support command retry for passthru commands via ioctl. This patch introduced `driver_ctrl` flag to the passthru ioctl command structures by replacing the existing `rsvd` field with `driver_ctrl` flag. This flag can be used to give some control flag to the driver from user-space. The first flag introduced in this series is `NVME_DRIVER_CTRL_RETRY` to make command retry-able in failure case without DNR status. (And of course, in case it's not a path-related errors). Please have a look. Thanks, _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme