Function hermit::kernel::virtio::map_virtiocap

pub fn map_virtiocap(
    bus: u8, 
    device: u8, 
    adapter: &PciAdapter, 
    caplist: u32, 
    virtiocaptype: u32
) -> Option<(usize, u32)>

Scans pci-capabilities for a virtio-capability of type virtiocaptype. When found, maps it into memory and returns virtual address, else None