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[PATCH v2 5/7] libqos: expose common virtqueue setup/cleanup functions
From: |
Stefan Hajnoczi |
Subject: |
[PATCH v2 5/7] libqos: expose common virtqueue setup/cleanup functions |
Date: |
Fri, 11 Oct 2019 09:56:09 +0100 |
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 <address@hidden>
---
tests/libqos/virtio-pci.h | 8 ++++++++
tests/libqos/virtio-pci.c | 19 ++++++++++---------
2 files changed, 18 insertions(+), 9 deletions(-)
diff --git a/tests/libqos/virtio-pci.h b/tests/libqos/virtio-pci.h
index 443e53affc..b620c30451 100644
--- a/tests/libqos/virtio-pci.h
+++ b/tests/libqos/virtio-pci.h
@@ -63,4 +63,12 @@ void
qvirtio_pci_set_msix_configuration_vector(QVirtioPCIDevice *d,
QGuestAllocator *alloc, uint16_t
entry);
void qvirtqueue_pci_msix_setup(QVirtioPCIDevice *d, QVirtQueuePCI *vqpci,
QGuestAllocator *alloc, uint16_t
entry);
+
+/* 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
diff --git a/tests/libqos/virtio-pci.c b/tests/libqos/virtio-pci.c
index 651f6dbfc6..3fb4af4016 100644
--- a/tests/libqos/virtio-pci.c
+++ b/tests/libqos/virtio-pci.c
@@ -198,8 +198,9 @@ static void qvirtio_pci_set_queue_address(QVirtioDevice *d,
QVirtQueue *vq)
qpci_io_writel(dev->pdev, dev->bar, VIRTIO_PCI_QUEUE_PFN, pfn);
}
-static QVirtQueue *qvirtio_pci_virtqueue_setup(QVirtioDevice *d,
- QGuestAllocator *alloc, uint16_t index)
+QVirtQueue *qvirtio_pci_virtqueue_setup_common(QVirtioDevice *d,
+ QGuestAllocator *alloc,
+ uint16_t index)
{
uint32_t feat;
uint64_t addr;
@@ -207,11 +208,11 @@ static QVirtQueue
*qvirtio_pci_virtqueue_setup(QVirtioDevice *d,
QVirtioPCIDevice *qvpcidev = container_of(d, QVirtioPCIDevice, vdev);
vqpci = g_malloc0(sizeof(*vqpci));
- feat = qvirtio_pci_get_guest_features(d);
+ feat = d->bus->get_guest_features(d);
- qvirtio_pci_queue_select(d, index);
+ d->bus->queue_select(d, index);
vqpci->vq.index = index;
- vqpci->vq.size = qvirtio_pci_get_queue_size(d);
+ vqpci->vq.size = d->bus->get_queue_size(d);
vqpci->vq.free_head = 0;
vqpci->vq.num_free = vqpci->vq.size;
vqpci->vq.align = VIRTIO_PCI_VRING_ALIGN;
@@ -231,12 +232,12 @@ 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);
+ d->bus->set_queue_address(d, &vqpci->vq);
return &vqpci->vq;
}
-static void qvirtio_pci_virtqueue_cleanup(QVirtQueue *vq,
+void qvirtio_pci_virtqueue_cleanup_common(QVirtQueue *vq,
QGuestAllocator *alloc)
{
QVirtQueuePCI *vqpci = container_of(vq, QVirtQueuePCI, vq);
@@ -266,8 +267,8 @@ static const QVirtioBus qvirtio_pci_legacy = {
.queue_select = qvirtio_pci_queue_select,
.get_queue_size = qvirtio_pci_get_queue_size,
.set_queue_address = qvirtio_pci_set_queue_address,
- .virtqueue_setup = qvirtio_pci_virtqueue_setup,
- .virtqueue_cleanup = qvirtio_pci_virtqueue_cleanup,
+ .virtqueue_setup = qvirtio_pci_virtqueue_setup_common,
+ .virtqueue_cleanup = qvirtio_pci_virtqueue_cleanup_common,
.virtqueue_kick = qvirtio_pci_virtqueue_kick,
};
--
2.21.0
- Re: [PATCH v2 1/7] libqos: extract Legacy virtio-pci.c code, (continued)
- [PATCH v2 2/7] libqos: add iteration support to qpci_find_capability(), Stefan Hajnoczi, 2019/10/11
- [PATCH v2 3/7] libqos: pass full QVirtQueue to set_queue_address(), Stefan Hajnoczi, 2019/10/11
- [PATCH v2 4/7] libqos: add MSI-X callbacks to QVirtioPCIDevice, Stefan Hajnoczi, 2019/10/11
- [PATCH v2 5/7] libqos: expose common virtqueue setup/cleanup functions,
Stefan Hajnoczi <=
- [PATCH v2 6/7] libqos: make the virtio-pci BAR index configurable, Stefan Hajnoczi, 2019/10/11
- Re: [PATCH v2 6/7] libqos: make the virtio-pci BAR index configurable, Thomas Huth, 2019/10/17
- [PATCH v2 7/7] libqos: add VIRTIO PCI 1.0 support, Stefan Hajnoczi, 2019/10/11