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=-10.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 5DF7BC63777 for ; Thu, 26 Nov 2020 09:26:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F027921741 for ; Thu, 26 Nov 2020 09:26:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="ixDOBSmd" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389295AbgKZJ0T (ORCPT ); Thu, 26 Nov 2020 04:26:19 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:35053 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727697AbgKZJ0S (ORCPT ); Thu, 26 Nov 2020 04:26:18 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1606382777; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=ajh+x3DZkFmZhugWamZSP0S5ccCCc1J42IKCKoIb76E=; b=ixDOBSmdwJatxZ8bSIShI4tMm2cMITangWTAwoqagk8+RRaCxdLBLgKSbYKRUSd1PUV0ip +l17wFUdzb0GNGJu1RtWQhFfJn7QA8/oQ1AY2uB6Itc09SaVRHiVwPnZcx8JPpsD/vWsIW PuAYXdQCDpuK7nb6i+Q13gNMTKjBC7w= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-360-JpnmtnoZPXC_uwgqXzjNhQ-1; Thu, 26 Nov 2020 04:26:13 -0500 X-MC-Unique: JpnmtnoZPXC_uwgqXzjNhQ-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 3084F185E495; Thu, 26 Nov 2020 09:26:12 +0000 (UTC) Received: from jason-ThinkPad-X1-Carbon-6th.redhat.com (ovpn-13-213.pek2.redhat.com [10.72.13.213]) by smtp.corp.redhat.com (Postfix) with ESMTP id 45C5F19C78; Thu, 26 Nov 2020 09:26:06 +0000 (UTC) From: Jason Wang To: mst@redhat.com, jasowang@redhat.com, virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org Cc: shahafs@mellanox.com Subject: [PATCH V2 00/14] vDPA driver for virtio-pci device Date: Thu, 26 Nov 2020 17:25:50 +0800 Message-Id: <20201126092604.208033-1-jasowang@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi all: This series tries to implement a vDPA driver for virtio-pci device which will bridge between vDPA bus and virtio-pci device. This could be used for future feature prototyping and testing. Please review Changes from V1: - Split common codes from virito-pci and share it with vDPA driver - Use dynamic id in order to be less confusing with virtio-pci driver - No feature whitelist, supporting any features (mq, config etc) Thanks Jason Wang (14): virtio-pci: do not access iomem via virtio_pci_device directly virtio-pci: switch to use devres for modern devices virtio-pci: split out modern device virtio-pci: move the notification sanity check to vp_modern_probe() virtio-pci-modern: introduce vp_modern_set_queue_vector() virtio-pci-modern: introduce vp_modern_queue_address() virtio-pci-modern: introduce helper to set/get queue_enable virtio-pci-modern: introduce helper for setting/geting queue size virtio-pci-modern: introduce helper for getting queue nums virtio-pci-modern: introduce helper to get notification offset virtio-pci: introduce modern device module vdpa: set the virtqueue num during register virtio_vdpa: don't warn when fail to disable vq vdpa: introduce virtio pci driver drivers/vdpa/Kconfig | 6 + drivers/vdpa/Makefile | 1 + drivers/vdpa/ifcvf/ifcvf_main.c | 5 +- drivers/vdpa/mlx5/net/mlx5_vnet.c | 5 +- drivers/vdpa/vdpa.c | 8 +- drivers/vdpa/vdpa_sim/vdpa_sim.c | 4 +- drivers/vdpa/virtio_pci/Makefile | 2 + drivers/vdpa/virtio_pci/vp_vdpa.c | 450 ++++++++++++++++++++++++ drivers/virtio/Kconfig | 10 +- drivers/virtio/Makefile | 1 + drivers/virtio/virtio_pci_common.c | 10 - drivers/virtio/virtio_pci_common.h | 23 +- drivers/virtio/virtio_pci_legacy.c | 13 +- drivers/virtio/virtio_pci_modern.c | 442 +++-------------------- drivers/virtio/virtio_pci_modern_dev.c | 462 +++++++++++++++++++++++++ drivers/virtio/virtio_vdpa.c | 3 +- include/linux/vdpa.h | 7 +- include/linux/virtio_pci_modern.h | 107 ++++++ 18 files changed, 1121 insertions(+), 438 deletions(-) create mode 100644 drivers/vdpa/virtio_pci/Makefile create mode 100644 drivers/vdpa/virtio_pci/vp_vdpa.c create mode 100644 drivers/virtio/virtio_pci_modern_dev.c create mode 100644 include/linux/virtio_pci_modern.h -- 2.25.1