9c16fa79bf
The TPCI200 is a PCI board that supports up to 4 IndustryPack modules. A new bus type called 'IndustryPack' has been created so any compatible module can be attached to this board. Reviewed-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Alberto Garcia <agarcia@igalia.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
116 lines
2.8 KiB
C
116 lines
2.8 KiB
C
/*
|
|
* QEMU IndustryPack emulation
|
|
*
|
|
* Copyright (C) 2012 Igalia, S.L.
|
|
* Author: Alberto Garcia <agarcia@igalia.com>
|
|
*
|
|
* This code is licensed under the GNU GPL v2 or (at your option) any
|
|
* later version.
|
|
*/
|
|
|
|
#include "ipack.h"
|
|
|
|
IPackDevice *ipack_device_find(IPackBus *bus, int32_t slot)
|
|
{
|
|
BusChild *kid;
|
|
|
|
QTAILQ_FOREACH(kid, &BUS(bus)->children, sibling) {
|
|
DeviceState *qdev = kid->child;
|
|
IPackDevice *ip = IPACK_DEVICE(qdev);
|
|
if (ip->slot == slot) {
|
|
return ip;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
void ipack_bus_new_inplace(IPackBus *bus, DeviceState *parent,
|
|
const char *name, uint8_t n_slots,
|
|
qemu_irq_handler handler)
|
|
{
|
|
qbus_create_inplace(&bus->qbus, TYPE_IPACK_BUS, parent, name);
|
|
bus->n_slots = n_slots;
|
|
bus->set_irq = handler;
|
|
}
|
|
|
|
static int ipack_device_dev_init(DeviceState *qdev)
|
|
{
|
|
IPackBus *bus = IPACK_BUS(qdev_get_parent_bus(qdev));
|
|
IPackDevice *dev = IPACK_DEVICE(qdev);
|
|
IPackDeviceClass *k = IPACK_DEVICE_GET_CLASS(dev);
|
|
|
|
if (dev->slot < 0) {
|
|
dev->slot = bus->free_slot;
|
|
}
|
|
if (dev->slot >= bus->n_slots) {
|
|
return -1;
|
|
}
|
|
bus->free_slot = dev->slot + 1;
|
|
|
|
dev->irq = qemu_allocate_irqs(bus->set_irq, dev, 2);
|
|
|
|
return k->init(dev);
|
|
}
|
|
|
|
static int ipack_device_dev_exit(DeviceState *qdev)
|
|
{
|
|
IPackDevice *dev = IPACK_DEVICE(qdev);
|
|
IPackDeviceClass *k = IPACK_DEVICE_GET_CLASS(dev);
|
|
|
|
if (k->exit) {
|
|
k->exit(dev);
|
|
}
|
|
|
|
qemu_free_irqs(dev->irq);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static Property ipack_device_props[] = {
|
|
DEFINE_PROP_INT32("slot", IPackDevice, slot, -1),
|
|
DEFINE_PROP_END_OF_LIST()
|
|
};
|
|
|
|
static void ipack_device_class_init(ObjectClass *klass, void *data)
|
|
{
|
|
DeviceClass *k = DEVICE_CLASS(klass);
|
|
k->bus_type = TYPE_IPACK_BUS;
|
|
k->init = ipack_device_dev_init;
|
|
k->exit = ipack_device_dev_exit;
|
|
k->props = ipack_device_props;
|
|
}
|
|
|
|
const VMStateDescription vmstate_ipack_device = {
|
|
.name = "ipack_device",
|
|
.version_id = 1,
|
|
.minimum_version_id = 1,
|
|
.minimum_version_id_old = 1,
|
|
.fields = (VMStateField[]) {
|
|
VMSTATE_INT32(slot, IPackDevice),
|
|
VMSTATE_END_OF_LIST()
|
|
}
|
|
};
|
|
|
|
static const TypeInfo ipack_device_info = {
|
|
.name = TYPE_IPACK_DEVICE,
|
|
.parent = TYPE_DEVICE,
|
|
.instance_size = sizeof(IPackDevice),
|
|
.class_size = sizeof(IPackDeviceClass),
|
|
.class_init = ipack_device_class_init,
|
|
.abstract = true,
|
|
};
|
|
|
|
static const TypeInfo ipack_bus_info = {
|
|
.name = TYPE_IPACK_BUS,
|
|
.parent = TYPE_BUS,
|
|
.instance_size = sizeof(IPackBus),
|
|
};
|
|
|
|
static void ipack_register_types(void)
|
|
{
|
|
type_register_static(&ipack_device_info);
|
|
type_register_static(&ipack_bus_info);
|
|
}
|
|
|
|
type_init(ipack_register_types)
|