From patchwork Sat Feb 6 03:36:23 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Minwoo Im X-Patchwork-Id: 1436962 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=jaUF8wJ5; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4DXdJv3KFrz9sW0 for ; Sat, 6 Feb 2021 14:37:33 +1100 (AEDT) Received: from localhost ([::1]:51736 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l8EPZ-0005l2-4x for incoming@patchwork.ozlabs.org; Fri, 05 Feb 2021 22:37:29 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:37406) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l8EOo-0005kk-AY; Fri, 05 Feb 2021 22:36:42 -0500 Received: from mail-pg1-x531.google.com ([2607:f8b0:4864:20::531]:36112) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1l8EOm-0003ft-NF; Fri, 05 Feb 2021 22:36:41 -0500 Received: by mail-pg1-x531.google.com with SMTP id c132so5907727pga.3; Fri, 05 Feb 2021 19:36:40 -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=V/pD/0XYScVzvMTD3FqLPH2JIilE0tR0n8cTEpx1Qb8=; b=jaUF8wJ5Eh1TvGvtp+I+w9OV5W6KtccYGJdbv67LTtmn4ZD/qo4GaNMwX94/9fdeQJ 0UvIiS7XqHVyg5oGZKly0L5sho1D2iNwH1MgsDKuxvvrSKTHUiaMC3ZH4VtMihvCw0ry Iy+5xK3pV8+9Q1yYEthHCsRD0XcKmpMRSUsWUfZcpmJH7zzpKYYgIUIDfbqvSe81YV2g /IVG6QfoOmL8pe7ZNOUukYI6gXuTgsyf9ob/OqQCyVC+GFyxUtE0tLAzpQORVXd/kuLU UEqx0gnJmRxw8LGVhn0/ZVbF3vN89BoGo+h3T1N2aToMsvkMrX1BVS6e4exhkPD7BLPF P2wA== 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=V/pD/0XYScVzvMTD3FqLPH2JIilE0tR0n8cTEpx1Qb8=; b=ETO+OQyHbbXjmbPZpWfXgQgmxq+8bKi0tu+d5trrusd6jwC+JSnqVgxg24ZsnvhuU4 Or9PMOW9vnWIYdw1Wp86hQBebRtGRKHDsu2W+TIFtOJqUQkZNegQK7cNxHgax8eRshhW rcjOwLJ/G5+thFEM+3LrG0+YLUdU4WXch/il1oP+yrpKPotEA1cwHdTaC67wallWRoom GcdsGi4hOl9iz/+u9jeNEwPr1SXAAN0MKVzD3Z0sUbllrQSiNK9U6nux90BPMhmWpxfc m2obRsfFCO8O8b1YxV7t8PAvDDz/DHhE9n90aItndK0DwirkVIZqPYFvmlwiXyBlGYCV hs1g== X-Gm-Message-State: AOAM530i3iKU+X8vGNCJLQLT+bJ9+vOe7aVXMqldQpPTYIGKevyq8+bV qllQ92zoUH3plnjwF4p3YdTHZ2CIV3IqfA== X-Google-Smtp-Source: ABdhPJwSIvAq/CaqUNcIqk1ydY0BdpU8J3/rWybQ0ZrKlaBZ3IsK2h7oKsevQ/mcoczkexF2M1PQxQ== X-Received: by 2002:a63:dc56:: with SMTP id f22mr7484554pgj.106.1612582598656; Fri, 05 Feb 2021 19:36:38 -0800 (PST) Received: from localhost.localdomain ([211.108.35.36]) by smtp.gmail.com with ESMTPSA id j17sm10862375pfh.183.2021.02.05.19.36.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 05 Feb 2021 19:36:38 -0800 (PST) From: Minwoo Im To: qemu-devel@nongnu.org, qemu-block@nongnu.org Subject: [PATCH 0/6] hw/block/nvme: support namespace attachment Date: Sat, 6 Feb 2021 12:36:23 +0900 Message-Id: <20210206033629.4278-1-minwoo.im.dev@gmail.com> X-Mailer: git-send-email 2.17.1 Received-SPF: pass client-ip=2607:f8b0:4864:20::531; envelope-from=minwoo.im.dev@gmail.com; helo=mail-pg1-x531.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Keith Busch , Klaus Jensen , Minwoo Im , Kevin Wolf , Max Reitz Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Hello, This series supports namespace attachment: attach and detach. It means that this series also introduced a scheme for allocated namespace which is detached, but allocated in a NVMe subsystem. Given that now we have nvme-subsys device to specify a NVMe subsystem, it can manage detached namespaces from controllers in the subsystem itself. Tested: -device nvme-subsys,id=subsys0 \ -device nvme,serial=foo,id=nvme0,subsys=subsys0 \ -device nvme-ns,id=ns1,drive=drv0,nsid=1,subsys=subsys0,zoned=false \ -device nvme-ns,id=ns2,drive=drv1,nsid=2,subsys=subsys0,zoned=true \ -device nvme-ns,id=ns3,drive=drv2,nsid=3,subsys=subsys0,detached=true,zoned=false \ -device nvme-ns,id=ns4,drive=drv3,nsid=4,subsys=subsys0,detached=true,zoned=true \ root@vm:~# nvme list Node SN Model Namespace Usage Format FW Rev --------------------- -------------------- ---------------------------------------- --------- -------------------------- ---------------- -------- /dev/nvme0n1 foo QEMU NVMe Ctrl 1 268.44 MB / 268.44 MB 512 B + 0 B 1.0 /dev/nvme0n2 foo QEMU NVMe Ctrl 2 268.44 MB / 268.44 MB 512 B + 0 B 1.0 root@vm:~# nvme attach-ns /dev/nvme0 --namespace-id=3 --controllers=0 attach-ns: Success, nsid:3 root@vm:~# nvme attach-ns /dev/nvme0 --namespace-id=4 --controllers=0 attach-ns: Success, nsid:4 root@vm:~# echo 1 > /sys/class/nvme/nvme0/rescan_controller root@vm:~# nvme list Node SN Model Namespace Usage Format FW Rev --------------------- -------------------- ---------------------------------------- --------- -------------------------- ---------------- -------- /dev/nvme0n1 foo QEMU NVMe Ctrl 1 268.44 MB / 268.44 MB 512 B + 0 B 1.0 /dev/nvme0n2 foo QEMU NVMe Ctrl 2 268.44 MB / 268.44 MB 512 B + 0 B 1.0 /dev/nvme0n3 foo QEMU NVMe Ctrl 3 268.44 MB / 268.44 MB 512 B + 0 B 1.0 /dev/nvme0n4 foo QEMU NVMe Ctrl 4 268.44 MB / 268.44 MB 512 B + 0 B 1.0 root@vm:~# nvme detach-ns /dev/nvme0 --namespace-id=3 --controllers=0 detach-ns: Success, nsid:3 root@vm:~# nvme detach-ns /dev/nvme0 --namespace-id=4 --controllers=0 detach-ns: Success, nsid:4 root@vm:~# echo 1 > /sys/class/nvme/nvme0/rescan_controller root@vm:~# nvme list Node SN Model Namespace Usage Format FW Rev --------------------- -------------------- ---------------------------------------- --------- -------------------------- ---------------- -------- /dev/nvme0n1 foo QEMU NVMe Ctrl 1 268.44 MB / 268.44 MB 512 B + 0 B 1.0 /dev/nvme0n2 foo QEMU NVMe Ctrl 2 268.44 MB / 268.44 MB 512 B + 0 B 1.0 Thanks, Minwoo Im (6): hw/block/nvme: support namespace detach hw/block/nvme: fix namespaces array to 1-based hw/block/nvme: fix allocated namespace list to 256 hw/block/nvme: support allocated namespace type hw/block/nvme: refactor nvme_select_ns_iocs hw/block/nvme: support namespace attachment command hw/block/nvme-ns.c | 1 + hw/block/nvme-ns.h | 1 + hw/block/nvme-subsys.h | 28 +++++- hw/block/nvme.c | 199 ++++++++++++++++++++++++++++++++++------- hw/block/nvme.h | 33 +++++++ hw/block/trace-events | 2 + include/block/nvme.h | 5 ++ 7 files changed, 234 insertions(+), 35 deletions(-)