From 1e59a866100caf205782334bf7f7a40f28fd23be Mon Sep 17 00:00:00 2001 From: Stefan Hajnoczi Date: Wed, 23 Oct 2019 11:04:20 +0100 Subject: [PATCH] libqos: pass full QVirtQueue to set_queue_address() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Instead of just passing the vring page frame number, pass the full QVirtQueue. This will allow the VIRTIO 1.0 transport to program the fine-grained vring address registers in the future. Signed-off-by: Stefan Hajnoczi Reviewed-by: Sergio Lopez Reviewed-by: Thomas Huth Reviewed-by: Philippe Mathieu-Daudé Message-Id: <20191023100425.12168-12-stefanha@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- tests/libqos/virtio-mmio.c | 6 ++++-- tests/libqos/virtio-pci.c | 6 ++++-- tests/libqos/virtio.h | 2 +- 3 files changed, 9 insertions(+), 5 deletions(-) diff --git a/tests/libqos/virtio-mmio.c b/tests/libqos/virtio-mmio.c index 4db1f1b8bc79..e0a2bd7bc631 100644 --- a/tests/libqos/virtio-mmio.c +++ b/tests/libqos/virtio-mmio.c @@ -143,9 +143,11 @@ static uint16_t qvirtio_mmio_get_queue_size(QVirtioDevice *d) return (uint16_t)qtest_readl(dev->qts, dev->addr + QVIRTIO_MMIO_QUEUE_NUM_MAX); } -static void qvirtio_mmio_set_queue_address(QVirtioDevice *d, uint32_t pfn) +static void qvirtio_mmio_set_queue_address(QVirtioDevice *d, QVirtQueue *vq) { QVirtioMMIODevice *dev = container_of(d, QVirtioMMIODevice, vdev); + uint64_t pfn = vq->desc / dev->page_size; + qtest_writel(dev->qts, dev->addr + QVIRTIO_MMIO_QUEUE_PFN, pfn); } @@ -179,7 +181,7 @@ static QVirtQueue *qvirtio_mmio_virtqueue_setup(QVirtioDevice *d, addr = guest_alloc(alloc, qvring_size(vq->size, dev->page_size)); qvring_init(dev->qts, alloc, vq, addr); - qvirtio_mmio_set_queue_address(d, vq->desc / dev->page_size); + qvirtio_mmio_set_queue_address(d, vq); return vq; } diff --git a/tests/libqos/virtio-pci.c b/tests/libqos/virtio-pci.c index 7ecf5d0a52fb..e4fa318dcc1d 100644 --- a/tests/libqos/virtio-pci.c +++ b/tests/libqos/virtio-pci.c @@ -199,9 +199,11 @@ static uint16_t qvirtio_pci_get_queue_size(QVirtioDevice *d) return qpci_io_readw(dev->pdev, dev->bar, VIRTIO_PCI_QUEUE_NUM); } -static void qvirtio_pci_set_queue_address(QVirtioDevice *d, uint32_t pfn) +static void qvirtio_pci_set_queue_address(QVirtioDevice *d, QVirtQueue *vq) { QVirtioPCIDevice *dev = container_of(d, QVirtioPCIDevice, vdev); + uint64_t pfn = vq->desc / VIRTIO_PCI_VRING_ALIGN; + qpci_io_writel(dev->pdev, dev->bar, VIRTIO_PCI_QUEUE_PFN, pfn); } @@ -239,7 +241,7 @@ static QVirtQueue *qvirtio_pci_virtqueue_setup(QVirtioDevice *d, addr = 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.desc / VIRTIO_PCI_VRING_ALIGN); + qvirtio_pci_set_queue_address(d, &vqpci->vq); return &vqpci->vq; } diff --git a/tests/libqos/virtio.h b/tests/libqos/virtio.h index ebbff5193b6c..529ef7555a22 100644 --- a/tests/libqos/virtio.h +++ b/tests/libqos/virtio.h @@ -81,7 +81,7 @@ struct QVirtioBus { uint16_t (*get_queue_size)(QVirtioDevice *d); /* Set the address of the selected queue */ - void (*set_queue_address)(QVirtioDevice *d, uint32_t pfn); + void (*set_queue_address)(QVirtioDevice *d, QVirtQueue *vq); /* Setup the virtqueue specified by index */ QVirtQueue *(*virtqueue_setup)(QVirtioDevice *d, QGuestAllocator *alloc,