dm: virtio-input: adapt Windows virtio-input driver
Update PCIR_SUBDEV_0 and PCIR_REVID in PCI configuration space to adapt
windows virtio-input driver. Otherwise virtio-input driver on Windows
will not be loaded correctly.
Acked-by: Yin Fengwei
@@ -673,8 +673,9 @@ virtio_input_init(struct vmctx *ctx, struct pci_vdev *dev, char *opts)
pci_set_cfgdata16(dev, PCIR_VENDOR, VIRTIO_VENDOR);
pci_set_cfgdata8(dev, PCIR_CLASS, PCIC_INPUTDEV);
pci_set_cfgdata8(dev, PCIR_SUBCLASS, PCIS_INPUTDEV_OTHER);
- pci_set_cfgdata16(dev, PCIR_SUBDEV_0, 0x1040 + VIRTIO_TYPE_INPUT);
+ pci_set_cfgdata16(dev, PCIR_SUBDEV_0, 0x1100);
pci_set_cfgdata16(dev, PCIR_SUBVEND_0, VIRTIO_VENDOR);
+ pci_set_cfgdata16(dev, PCIR_REVID, 1);
if (virtio_interrupt_init(&vi->base, virtio_uses_msix())) {
DPRINTF(("%s, interrupt_init failed!\n", __func__));
