diff options
Diffstat (limited to 'hw/pci/pci_bus.h')
| -rw-r--r-- | hw/pci/pci_bus.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/hw/pci/pci_bus.h b/hw/pci/pci_bus.h index f905b9e11e..aef559ae1f 100644 --- a/hw/pci/pci_bus.h +++ b/hw/pci/pci_bus.h @@ -47,6 +47,13 @@ struct PCIBridgeWindows { MemoryRegion alias_pref_mem; MemoryRegion alias_mem; MemoryRegion alias_io; + /* + * When bridge control VGA forwarding is enabled, bridges will + * provide positive decode on the PCI VGA defined I/O port and + * MMIO ranges. When enabled forwarding is only qualified on the + * I/O and memory enable bits in the bridge command register. + */ + MemoryRegion alias_vga[QEMU_PCI_VGA_NUM_REGIONS]; }; struct PCIBridge { |