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Tsirkin" To: qemu-devel@nongnu.org Subject: [PULL 21/25] libqos: expose common virtqueue setup/cleanup functions Message-ID: <20191026193824.11926-22-mst@redhat.com> References: <20191026193824.11926-1-mst@redhat.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20191026193824.11926-1-mst@redhat.com> X-Mailer: git-send-email 2.22.0.678.g13338e74b8 X-Mutt-Fcc: =sent 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 , Peter Maydell , Thomas Huth , Sergio Lopez , Stefan Hajnoczi , Paolo Bonzini Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Stefan Hajnoczi The VIRTIO 1.0 code will need to perform additional steps but it will reuse the common virtqueue setup/cleanup code. Make these functions public. Make sure to invoke callbacks via QVirtioBus instead of directly calling the virtio-pci Legacy versions of these functions. Signed-off-by: Stefan Hajnoczi Reviewed-by: Sergio Lopez Reviewed-by: Thomas Huth Message-Id: <20191023100425.12168-14-stefanha@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- tests/libqos/virtio-pci.c | 19 ++++++++++--------- tests/libqos/virtio-pci.h | 8 ++++++++ 2 files changed, 18 insertions(+), 9 deletions(-) diff --git a/tests/libqos/virtio-pci.c b/tests/libqos/virtio-pci.c index 0725777a8d..c900742f96 100644 --- a/tests/libqos/virtio-pci.c +++ b/tests/libqos/virtio-pci.c @@ -207,8 +207,9 @@ static void qvirtio_pci_set_queue_address(QVirtioDevice= *d, QVirtQueue *vq) qpci_io_writel(dev->pdev, dev->bar, VIRTIO_PCI_QUEUE_PFN, pfn); } =20 -static QVirtQueue *qvirtio_pci_virtqueue_setup(QVirtioDevice *d, - QGuestAllocator *alloc, uint16_t i= ndex) +QVirtQueue *qvirtio_pci_virtqueue_setup_common(QVirtioDevice *d, + QGuestAllocator *alloc, + uint16_t index) { uint64_t feat; uint64_t addr; @@ -216,12 +217,12 @@ static QVirtQueue *qvirtio_pci_virtqueue_setup(QVirti= oDevice *d, QVirtioPCIDevice *qvpcidev =3D container_of(d, QVirtioPCIDevice, vdev); =20 vqpci =3D g_malloc0(sizeof(*vqpci)); - feat =3D qvirtio_pci_get_guest_features(d); + feat =3D d->bus->get_guest_features(d); =20 - qvirtio_pci_queue_select(d, index); + d->bus->queue_select(d, index); vqpci->vq.vdev =3D d; vqpci->vq.index =3D index; - vqpci->vq.size =3D qvirtio_pci_get_queue_size(d); + vqpci->vq.size =3D d->bus->get_queue_size(d); vqpci->vq.free_head =3D 0; vqpci->vq.num_free =3D vqpci->vq.size; vqpci->vq.align =3D VIRTIO_PCI_VRING_ALIGN; @@ -241,12 +242,12 @@ static QVirtQueue *qvirtio_pci_virtqueue_setup(QVirti= oDevice *d, addr =3D guest_alloc(alloc, qvring_size(vqpci->vq.size, VIRTIO_PCI_VRING_ALIGN)); qvring_init(qvpcidev->pdev->bus->qts, alloc, &vqpci->vq, addr); - qvirtio_pci_set_queue_address(d, &vqpci->vq); + d->bus->set_queue_address(d, &vqpci->vq); =20 return &vqpci->vq; } =20 -static void qvirtio_pci_virtqueue_cleanup(QVirtQueue *vq, +void qvirtio_pci_virtqueue_cleanup_common(QVirtQueue *vq, QGuestAllocator *alloc) { QVirtQueuePCI *vqpci =3D container_of(vq, QVirtQueuePCI, vq); @@ -276,8 +277,8 @@ const QVirtioBus qvirtio_pci =3D { .queue_select =3D qvirtio_pci_queue_select, .get_queue_size =3D qvirtio_pci_get_queue_size, .set_queue_address =3D qvirtio_pci_set_queue_address, - .virtqueue_setup =3D qvirtio_pci_virtqueue_setup, - .virtqueue_cleanup =3D qvirtio_pci_virtqueue_cleanup, + .virtqueue_setup =3D qvirtio_pci_virtqueue_setup_common, + .virtqueue_cleanup =3D qvirtio_pci_virtqueue_cleanup_common, .virtqueue_kick =3D qvirtio_pci_virtqueue_kick, }; =20 diff --git a/tests/libqos/virtio-pci.h b/tests/libqos/virtio-pci.h index 4299efc023..0e4a8b7b00 100644 --- a/tests/libqos/virtio-pci.h +++ b/tests/libqos/virtio-pci.h @@ -65,4 +65,12 @@ void qvirtio_pci_set_msix_configuration_vector(QVirtioPC= IDevice *d, QGuestAllocator *alloc, uint16_t e= ntry); void qvirtqueue_pci_msix_setup(QVirtioPCIDevice *d, QVirtQueuePCI *vqpci, QGuestAllocator *alloc, uint16_t e= ntry); + +/* Used by Legacy and Modern virtio-pci code */ +QVirtQueue *qvirtio_pci_virtqueue_setup_common(QVirtioDevice *d, + QGuestAllocator *alloc, + uint16_t index); +void qvirtio_pci_virtqueue_cleanup_common(QVirtQueue *vq, + QGuestAllocator *alloc); + #endif --=20 MST