/* * 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 "hw/ipack/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, size_t bus_size, DeviceState *parent, const char *name, uint8_t n_slots, qemu_irq_handler handler) { qbus_create_inplace(bus, bus_size, TYPE_IPACK_BUS, parent, name); bus->n_slots = n_slots; bus->set_irq = handler; } static void ipack_device_realize(DeviceState *dev, Error **errp) { IPackDevice *idev = IPACK_DEVICE(dev); IPackBus *bus = IPACK_BUS(qdev_get_parent_bus(dev)); IPackDeviceClass *k = IPACK_DEVICE_GET_CLASS(dev); if (idev->slot < 0) { idev->slot = bus->free_slot; } if (idev->slot >= bus->n_slots) { error_setg(errp, "Only %" PRIu8 " slots available.", bus->n_slots); return; } bus->free_slot = idev->slot + 1; idev->irq = qemu_allocate_irqs(bus->set_irq, idev, 2); k->realize(dev, errp); } static void ipack_device_unrealize(DeviceState *dev, Error **errp) { IPackDevice *idev = IPACK_DEVICE(dev); IPackDeviceClass *k = IPACK_DEVICE_GET_CLASS(dev); Error *err = NULL; if (k->unrealize) { k->unrealize(dev, &err); error_propagate(errp, err); return; } qemu_free_irqs(idev->irq, 2); } 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); set_bit(DEVICE_CATEGORY_INPUT, k->categories); k->bus_type = TYPE_IPACK_BUS; k->realize = ipack_device_realize; k->unrealize = ipack_device_unrealize; k->props = ipack_device_props; } const VMStateDescription vmstate_ipack_device = { .name = "ipack_device", .version_id = 1, .minimum_version_id = 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)