diff options
Diffstat (limited to 'src/hw/virtio-pci.c')
| -rw-r--r-- | src/hw/virtio-pci.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/hw/virtio-pci.c b/src/hw/virtio-pci.c index 213c4977..89a4f505 100644 --- a/src/hw/virtio-pci.c +++ b/src/hw/virtio-pci.c @@ -193,7 +193,8 @@ u64 vp_get_features(struct vp_device *vp) if (vp->use_mmio) { vp_write(&vp->common, virtio_mmio_cfg, device_feature_select, 0); f0 = vp_read(&vp->common, virtio_mmio_cfg, device_feature); - f1 = 0; + vp_write(&vp->common, virtio_mmio_cfg, device_feature_select, 1); + f1 = vp_read(&vp->common, virtio_mmio_cfg, device_feature); } else if (vp->use_modern) { vp_write(&vp->common, virtio_pci_common_cfg, device_feature_select, 0); f0 = vp_read(&vp->common, virtio_pci_common_cfg, device_feature); @@ -214,8 +215,10 @@ void vp_set_features(struct vp_device *vp, u64 features) f1 = features >> 32; if (vp->use_mmio) { - vp_write(&vp->common, virtio_mmio_cfg, guest_feature_select, f0); + vp_write(&vp->common, virtio_mmio_cfg, guest_feature_select, 0); vp_write(&vp->common, virtio_mmio_cfg, guest_feature, f0); + vp_write(&vp->common, virtio_mmio_cfg, guest_feature_select, 1); + vp_write(&vp->common, virtio_mmio_cfg, guest_feature, f1); } else if (vp->use_modern) { vp_write(&vp->common, virtio_pci_common_cfg, guest_feature_select, 0); vp_write(&vp->common, virtio_pci_common_cfg, guest_feature, f0); |