/* default qdev initialization function for PCI-to-PCI bridge */
int pci_bridge_initfn(PCIDevice *dev)
{
PCIBus *parent = dev->bus;
PCIBridge *br = DO_UPCAST(PCIBridge, dev, dev);
PCIBus *sec_bus = &br->sec_bus;
pci_set_word(dev->config + PCI_STATUS,
PCI_STATUS_66MHZ | PCI_STATUS_FAST_BACK);
pci_config_set_class(dev->config, PCI_CLASS_BRIDGE_PCI);
dev->config[PCI_HEADER_TYPE] =
(dev->config[PCI_HEADER_TYPE] & PCI_HEADER_TYPE_MULTI_FUNCTION) |
PCI_HEADER_TYPE_BRIDGE;
pci_set_word(dev->config + PCI_SEC_STATUS,
PCI_STATUS_66MHZ | PCI_STATUS_FAST_BACK);
qbus_create_inplace(&sec_bus->qbus, &pci_bus_info, &dev->qdev,
br->bus_name);
sec_bus->parent_dev = dev;
sec_bus->map_irq = br->map_irq;
sec_bus->address_space_mem = &br->address_space_mem;
memory_region_init(&br->address_space_mem, "pci_bridge_pci", INT64_MAX);
sec_bus->address_space_io = &br->address_space_io;
memory_region_init(&br->address_space_io, "pci_bridge_io", 65536);
pci_bridge_region_init(br);
QLIST_INIT(&sec_bus->child);
QLIST_INSERT_HEAD(&parent->child, sec_bus, sibling);
return 0;
}
void ide_bus_new(IDEBus *idebus, size_t idebus_size, DeviceState *dev,
int bus_id, int max_units)
{
qbus_create_inplace(idebus, idebus_size, TYPE_IDE_BUS, dev, NULL);
idebus->bus_id = bus_id;
idebus->max_units = max_units;
}
void virtio_ccw_bus_new(VirtioBusState *bus, VirtioCcwDevice *dev)
{
DeviceState *qdev = DEVICE(dev);
BusState *qbus;
qbus_create_inplace((BusState *)bus, TYPE_VIRTIO_CCW_BUS, qdev, NULL);
qbus = BUS(bus);
qbus->allow_hotplug = 0;
}
/* Create a scsi bus, and attach devices to it. */
void scsi_bus_new(SCSIBus *bus, DeviceState *host, int tcq, int ndev,
scsi_completionfn complete)
{
qbus_create_inplace(&bus->qbus, &scsi_bus_info, host, NULL);
bus->busnr = next_scsi_bus++;
bus->tcq = tcq;
bus->ndev = ndev;
bus->complete = complete;
bus->qbus.allow_hotplug = 1;
}
/* Create a scsi bus, and attach devices to it. */
void scsi_bus_new(SCSIBus *bus, DeviceState *host, int tcq, int ndev,
const SCSIBusOps *ops)
{
qbus_create_inplace(&bus->qbus, &scsi_bus_info, host, NULL);
bus->busnr = next_scsi_bus++;
bus->tcq = tcq;
bus->ndev = ndev;
bus->ops = ops;
bus->qbus.allow_hotplug = 1;
}
static void virtio_ccw_bus_new(VirtioBusState *bus, VirtioCcwDevice *dev)
{
DeviceState *qdev = DEVICE(dev);
BusState *qbus;
char virtio_bus_name[] = "virtio-bus";
qbus_create_inplace((BusState *)bus, TYPE_VIRTIO_CCW_BUS, qdev,
virtio_bus_name);
qbus = BUS(bus);
qbus->allow_hotplug = 1;
}
static void main_system_bus_create(void)
{
/* assign main_system_bus before qbus_create_inplace()
* in order to make "if (bus != sysbus_get_default())" work */
main_system_bus = g_malloc0(system_bus_info.instance_size);
qbus_create_inplace(main_system_bus, system_bus_info.instance_size,
TYPE_SYSTEM_BUS, NULL, "main-system-bus");
OBJECT(main_system_bus)->free = g_free;
object_property_add_child(container_get(qdev_get_machine(),
"/unattached"),
"sysbus", OBJECT(main_system_bus), NULL);
}
static void virtio_mmio_realizefn(DeviceState *d, Error **errp)
{
VirtIOMMIOProxy *proxy = VIRTIO_MMIO(d);
SysBusDevice *sbd = SYS_BUS_DEVICE(d);
qbus_create_inplace(&proxy->bus, sizeof(proxy->bus), TYPE_VIRTIO_MMIO_BUS,
d, NULL);
sysbus_init_irq(sbd, &proxy->irq);
memory_region_init_io(&proxy->iomem, OBJECT(d), &virtio_mem_ops, proxy,
TYPE_VIRTIO_MMIO, 0x200);
sysbus_init_mmio(sbd, &proxy->iomem);
}
static void icc_bridge_init(Object *obj)
{
ICCBridgeState *s = ICC_BRIGDE(obj);
SysBusDevice *sb = SYS_BUS_DEVICE(obj);
qbus_create_inplace(&s->icc_bus, TYPE_ICC_BUS, DEVICE(s), "icc");
/* Do not change order of registering regions,
* APIC must be first registered region, board maps it by 0 index
*/
memory_region_init(&s->apic_container, obj, "icc-apic-container",
APIC_SPACE_SIZE);
sysbus_init_mmio(sb, &s->apic_container);
s->icc_bus.apic_address_space = &s->apic_container;
}
static void pxa2xx_mmci_instance_init(Object *obj)
{
PXA2xxMMCIState *s = PXA2XX_MMCI(obj);
SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
DeviceState *dev = DEVICE(obj);
memory_region_init_io(&s->iomem, obj, &pxa2xx_mmci_ops, s,
"pxa2xx-mmci", 0x00100000);
sysbus_init_mmio(sbd, &s->iomem);
sysbus_init_irq(sbd, &s->irq);
qdev_init_gpio_out_named(dev, &s->rx_dma, "rx-dma", 1);
qdev_init_gpio_out_named(dev, &s->tx_dma, "tx-dma", 1);
qbus_create_inplace(&s->sdbus, sizeof(s->sdbus),
TYPE_PXA2XX_MMCI_BUS, DEVICE(obj), "sd-bus");
}
/* default qdev initialization function for PCI-to-PCI bridge */
int pci_bridge_initfn(PCIDevice *dev)
{
PCIBus *parent = dev->bus;
PCIBridge *br = DO_UPCAST(PCIBridge, dev, dev);
PCIBus *sec_bus = &br->sec_bus;
pci_word_test_and_set_mask(dev->config + PCI_STATUS,
PCI_STATUS_66MHZ | PCI_STATUS_FAST_BACK);
pci_config_set_class(dev->config, PCI_CLASS_BRIDGE_PCI);
dev->config[PCI_HEADER_TYPE] =
(dev->config[PCI_HEADER_TYPE] & PCI_HEADER_TYPE_MULTI_FUNCTION) |
PCI_HEADER_TYPE_BRIDGE;
pci_set_word(dev->config + PCI_SEC_STATUS,
PCI_STATUS_66MHZ | PCI_STATUS_FAST_BACK);
/*
* If we don't specify the name, the bus will be addressed as <id>.0, where
* id is the device id.
* Since PCI Bridge devices have a single bus each, we don't need the index:
* let users address the bus using the device name.
*/
if (!br->bus_name && dev->qdev.id && *dev->qdev.id) {
br->bus_name = dev->qdev.id;
}
qbus_create_inplace(&sec_bus->qbus, TYPE_PCI_BUS, &dev->qdev,
br->bus_name);
sec_bus->parent_dev = dev;
sec_bus->map_irq = br->map_irq;
sec_bus->address_space_mem = &br->address_space_mem;
memory_region_init(&br->address_space_mem, "pci_bridge_pci", INT64_MAX);
sec_bus->address_space_io = &br->address_space_io;
memory_region_init(&br->address_space_io, "pci_bridge_io", 65536);
pci_bridge_region_init(br);
QLIST_INIT(&sec_bus->child);
QLIST_INSERT_HEAD(&parent->child, sec_bus, sibling);
return 0;
}
void ide_bus_new(IDEBus *idebus, DeviceState *dev, int bus_id)
{
qbus_create_inplace(&idebus->qbus, TYPE_IDE_BUS, dev, NULL);
idebus->bus_id = bus_id;
}
void ide_bus_new(IDEBus *idebus, DeviceState *dev)
{
qbus_create_inplace(&idebus->qbus, &ide_bus_info, dev, NULL);
}
