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=-6.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 9CA29CA9EB9 for ; Wed, 23 Oct 2019 10:17:43 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 6A8BB205ED for ; Wed, 23 Oct 2019 10:17:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="DAm98BDN" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6A8BB205ED Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:59860 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iNDi2-0003Fg-7B for qemu-devel@archiver.kernel.org; Wed, 23 Oct 2019 06:17:42 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40633) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iNDYi-0005em-F0 for qemu-devel@nongnu.org; Wed, 23 Oct 2019 06:08:06 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iNDYg-0003d3-DX for qemu-devel@nongnu.org; Wed, 23 Oct 2019 06:08:04 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:32992 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iNDYg-0003bV-8y for qemu-devel@nongnu.org; Wed, 23 Oct 2019 06:08:02 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1571825279; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=VGXsySC3CD9/9kCq/1CSF79CJqClIPOWzVhKaZ/m5T0=; b=DAm98BDNkrtAcNBBsZXNBqqC8t5syFV64JqbSdS7JrD6GsSwyeSyo+YEcwtUgiC8Ob3S0F yqxEBaBWmWAZM+4rEzX2XElqS0geWdqPuTHPy7Sxu0KGv3H+CGDtsv4iBfQQGXLNrpJGry PpkgGiRkocrVbOT/oq0zN0pWr38LG9w= 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-306-CyDo1OtQNbCOsOMelTkPWQ-1; Wed, 23 Oct 2019 06:07:56 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 5B0F8107AD31; Wed, 23 Oct 2019 10:07:55 +0000 (UTC) Received: from localhost (unknown [10.36.118.70]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6BB5660BE1; Wed, 23 Oct 2019 10:07:42 +0000 (UTC) From: Stefan Hajnoczi To: qemu-devel@nongnu.org Subject: [PATCH v4 15/16] libqos: extract Legacy virtio-pci.c code Date: Wed, 23 Oct 2019 11:04:24 +0100 Message-Id: <20191023100425.12168-16-stefanha@redhat.com> In-Reply-To: <20191023100425.12168-1-stefanha@redhat.com> References: <20191023100425.12168-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-MC-Unique: CyDo1OtQNbCOsOMelTkPWQ-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 205.139.110.120 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: Fam Zheng , Laurent Vivier , Thomas Huth , qemu-block@nongnu.org, slp@redhat.com, "Michael S. Tsirkin" , Cornelia Huck , Stefan Hajnoczi , Christophe de Dinechin , Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The current libqos virtio-pci.c code implements the VIRTIO Legacy interface. Extract existing code in preparation for VIRTIO 1.0 support. Signed-off-by: Stefan Hajnoczi Reviewed-by: Sergio Lopez Reviewed-by: Thomas Huth Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- tests/libqos/virtio-pci.h | 2 -- tests/libqos/virtio-pci.c | 29 ++++++++++++----------------- 2 files changed, 12 insertions(+), 19 deletions(-) diff --git a/tests/libqos/virtio-pci.h b/tests/libqos/virtio-pci.h index 78a1c15c2a..6b3a385b06 100644 --- a/tests/libqos/virtio-pci.h +++ b/tests/libqos/virtio-pci.h @@ -45,8 +45,6 @@ typedef struct QVirtQueuePCI { uint32_t msix_data; } QVirtQueuePCI; =20 -extern const QVirtioBus qvirtio_pci; - void virtio_pci_init(QVirtioPCIDevice *dev, QPCIBus *bus, QPCIAddress * ad= dr); QVirtioPCIDevice *virtio_pci_new(QPCIBus *bus, QPCIAddress * addr); =20 diff --git a/tests/libqos/virtio-pci.c b/tests/libqos/virtio-pci.c index e9595603f5..11866f7772 100644 --- a/tests/libqos/virtio-pci.c +++ b/tests/libqos/virtio-pci.c @@ -35,14 +35,6 @@ * original qvirtio_pci_destructor and qvirtio_pci_start_hw. */ =20 -static inline bool qvirtio_pci_is_big_endian(QVirtioPCIDevice *dev) -{ - QPCIBus *bus =3D dev->pdev->bus; - - /* FIXME: virtio 1.0 is always little-endian */ - return qtest_big_endian(bus->qts); -} - #define CONFIG_BASE(dev) (VIRTIO_PCI_CONFIG_OFF((dev)->pdev->msix_enabled)= ) =20 static uint8_t qvirtio_pci_config_readb(QVirtioDevice *d, uint64_t off) @@ -55,8 +47,7 @@ static uint8_t qvirtio_pci_config_readb(QVirtioDevice *d,= uint64_t off) * but virtio ( < 1.0) is in guest order * so with a big-endian guest the order has been reversed, * reverse it again - * virtio-1.0 is always little-endian, like PCI, but this - * case will be managed inside qvirtio_pci_is_big_endian() + * virtio-1.0 is always little-endian, like PCI */ =20 static uint16_t qvirtio_pci_config_readw(QVirtioDevice *d, uint64_t off) @@ -262,7 +253,7 @@ static void qvirtio_pci_virtqueue_kick(QVirtioDevice *d= , QVirtQueue *vq) qpci_io_writew(dev->pdev, dev->bar, VIRTIO_PCI_QUEUE_NOTIFY, vq->index= ); } =20 -const QVirtioBus qvirtio_pci =3D { +static const QVirtioBus qvirtio_pci_legacy =3D { .config_readb =3D qvirtio_pci_config_readb, .config_readw =3D qvirtio_pci_config_readw, .config_readl =3D qvirtio_pci_config_readl, @@ -396,17 +387,21 @@ void qvirtio_pci_start_hw(QOSGraphObject *obj) qvirtio_start_device(&dev->vdev); } =20 +static void qvirtio_pci_init_legacy(QVirtioPCIDevice *dev) +{ + dev->vdev.device_type =3D qpci_config_readw(dev->pdev, PCI_SUBSYSTEM_I= D); + dev->bar_idx =3D 0; + dev->vdev.bus =3D &qvirtio_pci_legacy; + dev->msix_ops =3D &qvirtio_pci_msix_ops_legacy; + dev->vdev.big_endian =3D qtest_big_endian(dev->pdev->bus->qts); +} + static void qvirtio_pci_init_from_pcidev(QVirtioPCIDevice *dev, QPCIDevice= *pci_dev) { dev->pdev =3D pci_dev; - dev->vdev.device_type =3D qpci_config_readw(pci_dev, PCI_SUBSYSTEM_ID)= ; - dev->bar_idx =3D 0; - dev->config_msix_entry =3D -1; - dev->msix_ops =3D &qvirtio_pci_msix_ops_legacy; =20 - dev->vdev.bus =3D &qvirtio_pci; - dev->vdev.big_endian =3D qvirtio_pci_is_big_endian(dev); + qvirtio_pci_init_legacy(dev); =20 /* each virtio-xxx-pci device should override at least this function *= / dev->obj.get_driver =3D NULL; --=20 2.21.0