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=-6.8 required=3.0 tests=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 C9D8EC47404 for ; Fri, 11 Oct 2019 09:03:41 +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 9D5752084C for ; Fri, 11 Oct 2019 09:03:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9D5752084C 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]:47510 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iIqpo-0002ZX-RX for qemu-devel@archiver.kernel.org; Fri, 11 Oct 2019 05:03:40 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:47617) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iIqj1-0002zG-9c for qemu-devel@nongnu.org; Fri, 11 Oct 2019 04:56:40 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iIqj0-0007rc-0a for qemu-devel@nongnu.org; Fri, 11 Oct 2019 04:56:39 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38606) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iIqiz-0007rM-N0 for qemu-devel@nongnu.org; Fri, 11 Oct 2019 04:56:37 -0400 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 mx1.redhat.com (Postfix) with ESMTPS id F1EE31017C12 for ; Fri, 11 Oct 2019 08:56:36 +0000 (UTC) Received: from localhost (unknown [10.36.118.109]) by smtp.corp.redhat.com (Postfix) with ESMTP id 809925D9C3; Fri, 11 Oct 2019 08:56:36 +0000 (UTC) From: Stefan Hajnoczi To: qemu-devel@nongnu.org Subject: [PATCH v2 4/7] libqos: add MSI-X callbacks to QVirtioPCIDevice Date: Fri, 11 Oct 2019 09:56:08 +0100 Message-Id: <20191011085611.4194-5-stefanha@redhat.com> In-Reply-To: <20191011085611.4194-1-stefanha@redhat.com> References: <20191011085611.4194-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.6.2 (mx1.redhat.com [10.5.110.64]); Fri, 11 Oct 2019 08:56:37 +0000 (UTC) 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: 209.132.183.28 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: Laurent Vivier , Paolo Bonzini , Thomas Huth , Stefan Hajnoczi , "Michael S. Tsirkin" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The MSI-X vectors are programmed differently in the VIRTIO 1.0 and Legacy interfaces. Introduce callbacks so different implementations can be used depending on the interface version. Signed-off-by: Stefan Hajnoczi --- tests/libqos/virtio-pci.h | 12 ++++++++++++ tests/libqos/virtio-pci.c | 37 ++++++++++++++++++++++++++++--------- 2 files changed, 40 insertions(+), 9 deletions(-) diff --git a/tests/libqos/virtio-pci.h b/tests/libqos/virtio-pci.h index 0d105d67b3..443e53affc 100644 --- a/tests/libqos/virtio-pci.h +++ b/tests/libqos/virtio-pci.h @@ -14,16 +14,28 @@ #include "libqos/pci.h" #include "libqos/qgraph.h" =20 +typedef struct QVirtioPCIMSIXOps QVirtioPCIMSIXOps; + typedef struct QVirtioPCIDevice { QOSGraphObject obj; QVirtioDevice vdev; QPCIDevice *pdev; QPCIBar bar; + const QVirtioPCIMSIXOps *msix_ops; uint16_t config_msix_entry; uint64_t config_msix_addr; uint32_t config_msix_data; } QVirtioPCIDevice; =20 +struct QVirtioPCIMSIXOps { + /* Set the Configuration Vector for MSI-X */ + void (*set_config_vector)(QVirtioPCIDevice *d, uint16_t entry); + + /* Set the Queue Vector for MSI-X */ + void (*set_queue_vector)(QVirtioPCIDevice *d, uint16_t vq_idx, + uint16_t entry); +}; + typedef struct QVirtQueuePCI { QVirtQueue vq; uint16_t msix_entry; diff --git a/tests/libqos/virtio-pci.c b/tests/libqos/virtio-pci.c index 4772239b61..651f6dbfc6 100644 --- a/tests/libqos/virtio-pci.c +++ b/tests/libqos/virtio-pci.c @@ -271,6 +271,31 @@ static const QVirtioBus qvirtio_pci_legacy =3D { .virtqueue_kick =3D qvirtio_pci_virtqueue_kick, }; =20 +static void qvirtio_pci_set_config_vector(QVirtioPCIDevice *d, uint16_t = entry) +{ + uint16_t vector; + + qpci_io_writew(d->pdev, d->bar, VIRTIO_MSI_CONFIG_VECTOR, entry); + vector =3D qpci_io_readw(d->pdev, d->bar, VIRTIO_MSI_CONFIG_VECTOR); + g_assert_cmphex(vector, !=3D, VIRTIO_MSI_NO_VECTOR); +} + +static void qvirtio_pci_set_queue_vector(QVirtioPCIDevice *d, uint16_t v= q_idx, + uint16_t entry) +{ + uint16_t vector; + + qvirtio_pci_queue_select(&d->vdev, vq_idx); + qpci_io_writew(d->pdev, d->bar, VIRTIO_MSI_QUEUE_VECTOR, entry); + vector =3D qpci_io_readw(d->pdev, d->bar, VIRTIO_MSI_QUEUE_VECTOR); + g_assert_cmphex(vector, !=3D, VIRTIO_MSI_NO_VECTOR); +} + +static const QVirtioPCIMSIXOps qvirtio_pci_msix_ops_legacy =3D { + .set_config_vector =3D qvirtio_pci_set_config_vector, + .set_queue_vector =3D qvirtio_pci_set_queue_vector, +}; + void qvirtio_pci_device_enable(QVirtioPCIDevice *d) { qpci_device_enable(d->pdev); @@ -285,7 +310,6 @@ void qvirtio_pci_device_disable(QVirtioPCIDevice *d) void qvirtqueue_pci_msix_setup(QVirtioPCIDevice *d, QVirtQueuePCI *vqpci= , QGuestAllocator *alloc, uint16_t= entry) { - uint16_t vector; uint32_t control; uint64_t off; =20 @@ -311,16 +335,12 @@ void qvirtqueue_pci_msix_setup(QVirtioPCIDevice *d,= QVirtQueuePCI *vqpci, off + PCI_MSIX_ENTRY_VECTOR_CTRL, control & ~PCI_MSIX_ENTRY_CTRL_MASKBIT); =20 - qvirtio_pci_queue_select(&d->vdev, vqpci->vq.index); - qpci_io_writew(d->pdev, d->bar, VIRTIO_MSI_QUEUE_VECTOR, entry); - vector =3D qpci_io_readw(d->pdev, d->bar, VIRTIO_MSI_QUEUE_VECTOR); - g_assert_cmphex(vector, !=3D, VIRTIO_MSI_NO_VECTOR); + d->msix_ops->set_queue_vector(d, vqpci->vq.index, entry); } =20 void qvirtio_pci_set_msix_configuration_vector(QVirtioPCIDevice *d, QGuestAllocator *alloc, uint16_t= entry) { - uint16_t vector; uint32_t control; uint64_t off; =20 @@ -348,9 +368,7 @@ void qvirtio_pci_set_msix_configuration_vector(QVirti= oPCIDevice *d, off + PCI_MSIX_ENTRY_VECTOR_CTRL, control & ~PCI_MSIX_ENTRY_CTRL_MASKBIT); =20 - qpci_io_writew(d->pdev, d->bar, VIRTIO_MSI_CONFIG_VECTOR, entry); - vector =3D qpci_io_readw(d->pdev, d->bar, VIRTIO_MSI_CONFIG_VECTOR); - g_assert_cmphex(vector, !=3D, VIRTIO_MSI_NO_VECTOR); + d->msix_ops->set_config_vector(d, entry); } =20 void qvirtio_pci_destructor(QOSGraphObject *obj) @@ -371,6 +389,7 @@ static void qvirtio_pci_init_legacy(QVirtioPCIDevice = *dev) { dev->vdev.device_type =3D qpci_config_readw(dev->pdev, PCI_SUBSYSTEM= _ID); 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); } =20 --=20 2.21.0