static char *virtio_mmio_bus_get_dev_path(DeviceState *dev)
{
BusState *virtio_mmio_bus;
VirtIOMMIOProxy *virtio_mmio_proxy;
char *proxy_path;
SysBusDevice *proxy_sbd;
char *path;
virtio_mmio_bus = qdev_get_parent_bus(dev);
virtio_mmio_proxy = VIRTIO_MMIO(virtio_mmio_bus->parent);
proxy_path = qdev_get_dev_path(DEVICE(virtio_mmio_proxy));
/*
* If @format_transport_address is false, then we just perform the same as
* virtio_bus_get_dev_path(): we delegate the address formatting for the
* device on the virtio-mmio bus to the bus that the virtio-mmio proxy
* (i.e., the device that implements the virtio-mmio bus) resides on. In
* this case the base address of the virtio-mmio transport will be
* invisible.
*/
if (!virtio_mmio_proxy->format_transport_address) {
return proxy_path;
}
/* Otherwise, we append the base address of the transport. */
proxy_sbd = SYS_BUS_DEVICE(virtio_mmio_proxy);
assert(proxy_sbd->num_mmio == 1);
assert(proxy_sbd->mmio[0].memory == &virtio_mmio_proxy->iomem);
if (proxy_path) {
path = g_strdup_printf("%s/virtio-mmio@" TARGET_FMT_plx, proxy_path,
proxy_sbd->mmio[0].addr);
} else {
path = g_strdup_printf("virtio-mmio@" TARGET_FMT_plx,
proxy_sbd->mmio[0].addr);
}
g_free(proxy_path);
return path;
}
static char *virtio_bus_get_dev_path(DeviceState *dev)
{
BusState *bus = qdev_get_parent_bus(dev);
DeviceState *proxy = DEVICE(bus->parent);
return qdev_get_dev_path(proxy);
}
