[PATCH v2 3/7] libqos: pass full QVirtQueue to set_queue_address()

[Stefan Hajnoczi]

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 <address@hidden>
---
 tests/libqos/virtio.h      | 2 +-
 tests/libqos/virtio-mmio.c | 6 ++++--
 tests/libqos/virtio-pci.c  | 6 ++++--
 3 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/tests/libqos/virtio.h b/tests/libqos/virtio.h
index 2cb2448f46..37f55b6ade 100644
--- a/tests/libqos/virtio.h
+++ b/tests/libqos/virtio.h
@@ -79,7 +79,7 @@ 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,
diff --git a/tests/libqos/virtio-mmio.c b/tests/libqos/virtio-mmio.c
index d0047876a8..43ca4e49c1 100644
--- a/tests/libqos/virtio-mmio.c
+++ b/tests/libqos/virtio-mmio.c
@@ -127,9 +127,11 @@ 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);
 }
 
@@ -162,7 +164,7 @@ 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 c8d736f4d1..4772239b61 100644
--- a/tests/libqos/virtio-pci.c
+++ b/tests/libqos/virtio-pci.c
@@ -190,9 +190,11 @@ 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);
 }
 
@@ -229,7 +231,7 @@ 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;
 }
-- 
2.21.0