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=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 7CF91C433DB for ; Tue, 23 Feb 2021 06:23:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3E26364DA3 for ; Tue, 23 Feb 2021 06:23:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231831AbhBWGWy (ORCPT ); Tue, 23 Feb 2021 01:22:54 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:25244 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231648AbhBWGUp (ORCPT ); Tue, 23 Feb 2021 01:20:45 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1614061158; 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=iD5VZEbLGdRDyqWEmS8M17jSN2GBbzyhJ7LgE67oj7Y=; b=JphvFBO7uPSG9Pi6ggYgB+rVXbtW5I2BQ1z9VuS5WV09HcgoAWZHvRWOf/ZqpGfhyZdLhI GEdMK6icA8MKUnv49encSl+N3oYr8RC6RXXhG4aPzZGSI2xTb9c99heouX66RCzq9UR/F2 M+qtvYiiQwpmkoZsqw0jz+Uw38BsnTw= 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-569-MyeH8IcNOTaHgI71nW5BqA-1; Tue, 23 Feb 2021 01:19:15 -0500 X-MC-Unique: MyeH8IcNOTaHgI71nW5BqA-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id C0DD81020C20; Tue, 23 Feb 2021 06:19:13 +0000 (UTC) Received: from jason-ThinkPad-X1-Carbon-6th.redhat.com (ovpn-13-6.pek2.redhat.com [10.72.13.6]) by smtp.corp.redhat.com (Postfix) with ESMTP id F3B955D9D0; Tue, 23 Feb 2021 06:19:07 +0000 (UTC) From: Jason Wang To: mst@redhat.com, jasowang@redhat.com Cc: virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org, shahafs@mellanox.com, sgarzare@redhat.com, rdunlap@infradead.org Subject: [PATCH V4 0/3] virtio-pci: introduce modern device module Date: Tue, 23 Feb 2021 14:19:02 +0800 Message-Id: <20210223061905.422659-1-jasowang@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 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 since V4: - include the patch to let VIRTIO_PCI_LIB to be auto selected - style fixes in the Kconfig for vp-vdpa driver - fix the err value returned during vp-vdpa driver probing Changes since V3: - rebase to vhost.git Changes since V2: - tweak config prompt - switch from 'cb' to 'config_cb' for vp_vdpa config interrupt - use a macro for vp_vdpa msix name length Changes since V1: - don't try to use devres for virtio-pci core - tweak the commit log - split the patches furtherly to ease the reviewing Changes since RFC: - 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) Jason Wang (3): virtio: don't prompt CONFIG_VIRTIO_PCI_MODERN vdpa: set the virtqueue num during register vdpa: introduce virtio pci driver drivers/vdpa/Kconfig | 7 + drivers/vdpa/Makefile | 1 + drivers/vdpa/ifcvf/ifcvf_main.c | 5 +- drivers/vdpa/mlx5/net/mlx5_vnet.c | 4 +- drivers/vdpa/vdpa.c | 18 +- drivers/vdpa/vdpa_sim/vdpa_sim.c | 2 +- drivers/vdpa/vdpa_sim/vdpa_sim_net.c | 2 +- drivers/vdpa/virtio_pci/Makefile | 2 + drivers/vdpa/virtio_pci/vp_vdpa.c | 458 +++++++++++++++++++++++++++ drivers/virtio/Kconfig | 11 +- drivers/virtio/Makefile | 2 +- include/linux/vdpa.h | 10 +- 12 files changed, 496 insertions(+), 26 deletions(-) create mode 100644 drivers/vdpa/virtio_pci/Makefile create mode 100644 drivers/vdpa/virtio_pci/vp_vdpa.c -- 2.25.1