From patchwork Thu Apr 8 10:12:49 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yongji Xie X-Patchwork-Id: 1463730 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=pass (2048-bit key; unprotected) header.d=bytedance-com.20150623.gappssmtp.com header.i=@bytedance-com.20150623.gappssmtp.com header.a=rsa-sha256 header.s=20150623 header.b=gTKDWPpr; 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 4FGHF0157hz9sW4 for ; Thu, 8 Apr 2021 20:14:42 +1000 (AEST) Received: from localhost ([::1]:44848 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lURgN-00040c-9X for incoming@patchwork.ozlabs.org; Thu, 08 Apr 2021 06:14:39 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39500) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lURfG-0003z1-Gu for qemu-devel@nongnu.org; Thu, 08 Apr 2021 06:13:30 -0400 Received: from mail-pj1-x1034.google.com ([2607:f8b0:4864:20::1034]:44630) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lURfA-0008Lr-Oj for qemu-devel@nongnu.org; Thu, 08 Apr 2021 06:13:28 -0400 Received: by mail-pj1-x1034.google.com with SMTP id kk2-20020a17090b4a02b02900c777aa746fso1064030pjb.3 for ; Thu, 08 Apr 2021 03:13:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=gkruCtQ5S/OZWNWHF1MZHWfdXooksconxayMSeMDdnE=; b=gTKDWPprPRv7FM9/v3yPHYCp6bjErrFD5rzYjozkDdsuh9Y5wosT07cyy8JpAtKdNt mmMjag+SV87amvRm9Z5qslpis1D0FFF9G1umaRxLjtooDGUWqcNk1B9MDD1LcT2hfPiN 5u9zy6osRSpb1O/31lY6JfYwzipUSvTQevOHn85QkKa8wRV0HIt6dCUj8ZlwAxivl2YM OYy7WaIQCaqREU2DYxeepaUyHtWTAH8tz6FNR8C3FCdV1yXi4quLPZOsY594dtFpZEZe 52HBZPK22knyRq3BIX/sxiCSswTVQMDDOeav29mi0MJ/qtEMFPMzyCYlhWOfj3wqiDJU F1QQ== 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:mime-version :content-transfer-encoding; bh=gkruCtQ5S/OZWNWHF1MZHWfdXooksconxayMSeMDdnE=; b=VStoDkCGnDzMC3MzCNuSbUYlSefaUG310CeiEdeshDiqL3RF7Rw4Ldg/ErIognq+uM 0uUdcq5O9/WLbxoMF/FxgTtxsHF6H01u4HhwEKzeyffPv2oy7h9Z0kC/en2UY52j/fWu nC0u8lgd2lo/lD0KRvsd4OGCawUqOXqqw6ZPnxi7T92xEBBrP/ExNmdgToTg9dW+q1zd pe3MQcHisSyO7FLhoM58YxacyxfmrtOeEFX9zHYeHnVbIcZS45zww71sy1R7rkn4KBRL wBeRJ3l1CoDLhfR0lTeK3TgH2zGUlfnKFhYE83FmFple/KCjfZ/tVM4tK2xQky3OWHCg RgCQ== X-Gm-Message-State: AOAM532FtQIs0r9FzJtgvG0vddq1KX1p1B1lh/Jwhlv3enLomFMGx6qp RkbJTJwg0kBQqvmg6Ttwly4K X-Google-Smtp-Source: ABdhPJxAo/tpp7wwyCuiP42nEOB300F+7Yvui5FG5TgllIRuNT286IY9U/DqExWKh3ZEhRPCGM6pYw== X-Received: by 2002:a17:90b:1b4e:: with SMTP id nv14mr7730943pjb.115.1617876801108; Thu, 08 Apr 2021 03:13:21 -0700 (PDT) Received: from localhost ([139.177.225.243]) by smtp.gmail.com with ESMTPSA id gm10sm7872154pjb.4.2021.04.08.03.13.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Apr 2021 03:13:20 -0700 (PDT) From: Xie Yongji To: mst@redhat.com, stefanha@redhat.com, sgarzare@redhat.com, raphael.norwitz@nutanix.com, lingshan.zhu@intel.com, changpeng.liu@intel.com, jasowang@redhat.com, kwolf@redhat.com, mreitz@redhat.com Subject: [PATCH 0/3] Introduce vhost-vdpa block device Date: Thu, 8 Apr 2021 18:12:49 +0800 Message-Id: <20210408101252.552-1-xieyongji@bytedance.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::1034; envelope-from=xieyongji@bytedance.com; helo=mail-pj1-x1034.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, 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: qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Since we already have some ways to emulate vDPA block device in kernel[1] or userspace[2]. This series tries to introduce a new vhost-vdpa block device for that. To use it, we can add something like: qemu-system-x86_64 \ -device vhost-vdpa-blk-pci,vdpa-dev=/dev/vhost-vdpa-0 You can also get the code and kernel changes from below repositories: https://github.com/bytedance/qemu/tree/vhost-vdpa-blk https://github.com/bytedance/linux/tree/vhost-vdpa-blk Thank you! [1] https://lore.kernel.org/kvm/20210315163450.254396-1-sgarzare@redhat.com/ [2] https://lore.kernel.org/kvm/20210331080519.172-1-xieyongji@bytedance.com/ Xie Yongji (3): Remove redundant declaration of address_space_memory vhost-blk: add vhost-blk-common abstraction vhost-vdpa-blk: Introduce vhost-vdpa-blk host device hw/block/Kconfig | 5 + hw/block/meson.build | 3 +- hw/block/vhost-blk-common.c | 291 +++++++++++++++++++++++++ hw/block/vhost-user-blk.c | 306 +++++---------------------- hw/block/vhost-vdpa-blk.c | 227 ++++++++++++++++++++ hw/virtio/meson.build | 1 + hw/virtio/vhost-user-blk-pci.c | 7 +- hw/virtio/vhost-vdpa-blk-pci.c | 101 +++++++++ hw/virtio/vhost-vdpa.c | 1 + include/hw/virtio/vhost-blk-common.h | 50 +++++ include/hw/virtio/vhost-user-blk.h | 20 +- include/hw/virtio/vhost-vdpa-blk.h | 30 +++ include/hw/virtio/vhost-vdpa.h | 1 - 13 files changed, 762 insertions(+), 281 deletions(-) create mode 100644 hw/block/vhost-blk-common.c create mode 100644 hw/block/vhost-vdpa-blk.c create mode 100644 hw/virtio/vhost-vdpa-blk-pci.c create mode 100644 include/hw/virtio/vhost-blk-common.h create mode 100644 include/hw/virtio/vhost-vdpa-blk.h