The Legacy virtio-pci interface always uses BAR 0. VIRTIO 1.0 may need to use a different BAR index, so make it configurable.
Signed-off-by: Stefan Hajnoczi <stefa...@redhat.com> Reviewed-by: Thomas Huth <th...@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <phi...@redhat.com> --- v3: * Change uint8_t bar_idx to int [Thomas] --- tests/libqos/virtio-pci.h | 2 ++ tests/libqos/virtio-pci.c | 3 ++- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/tests/libqos/virtio-pci.h b/tests/libqos/virtio-pci.h index 0e4a8b7b00..78a1c15c2a 100644 --- a/tests/libqos/virtio-pci.h +++ b/tests/libqos/virtio-pci.h @@ -25,6 +25,8 @@ typedef struct QVirtioPCIDevice { uint16_t config_msix_entry; uint64_t config_msix_addr; uint32_t config_msix_data; + + int bar_idx; } QVirtioPCIDevice; struct QVirtioPCIMSIXOps { diff --git a/tests/libqos/virtio-pci.c b/tests/libqos/virtio-pci.c index c900742f96..e9595603f5 100644 --- a/tests/libqos/virtio-pci.c +++ b/tests/libqos/virtio-pci.c @@ -310,7 +310,7 @@ static const QVirtioPCIMSIXOps qvirtio_pci_msix_ops_legacy = { void qvirtio_pci_device_enable(QVirtioPCIDevice *d) { qpci_device_enable(d->pdev); - d->bar = qpci_iomap(d->pdev, 0, NULL); + d->bar = qpci_iomap(d->pdev, d->bar_idx, NULL); } void qvirtio_pci_device_disable(QVirtioPCIDevice *d) @@ -400,6 +400,7 @@ static void qvirtio_pci_init_from_pcidev(QVirtioPCIDevice *dev, QPCIDevice *pci_ { dev->pdev = pci_dev; dev->vdev.device_type = qpci_config_readw(pci_dev, PCI_SUBSYSTEM_ID); + dev->bar_idx = 0; dev->config_msix_entry = -1; dev->msix_ops = &qvirtio_pci_msix_ops_legacy; -- 2.21.0