| /* |
| * QEMU S390x floating interrupt controller (flic) |
| * |
| * Copyright 2014 IBM Corp. |
| * Author(s): Jens Freimann <jfrei@linux.vnet.ibm.com> |
| * Cornelia Huck <cornelia.huck@de.ibm.com> |
| * |
| * This work is licensed under the terms of the GNU GPL, version 2 or (at |
| * your option) any later version. See the COPYING file in the top-level |
| * directory. |
| */ |
| |
| #include "qemu/error-report.h" |
| #include "hw/sysbus.h" |
| #include "migration/qemu-file.h" |
| #include "hw/s390x/s390_flic.h" |
| #include "trace.h" |
| |
| S390FLICState *s390_get_flic(void) |
| { |
| S390FLICState *fs; |
| |
| fs = S390_FLIC_COMMON(object_resolve_path(TYPE_KVM_S390_FLIC, NULL)); |
| if (!fs) { |
| fs = S390_FLIC_COMMON(object_resolve_path(TYPE_QEMU_S390_FLIC, NULL)); |
| } |
| return fs; |
| } |
| |
| void s390_flic_init(void) |
| { |
| DeviceState *dev; |
| |
| dev = s390_flic_kvm_create(); |
| if (!dev) { |
| dev = qdev_create(NULL, TYPE_QEMU_S390_FLIC); |
| object_property_add_child(qdev_get_machine(), TYPE_QEMU_S390_FLIC, |
| OBJECT(dev), NULL); |
| } |
| qdev_init_nofail(dev); |
| } |
| |
| static int qemu_s390_register_io_adapter(S390FLICState *fs, uint32_t id, |
| uint8_t isc, bool swap, |
| bool is_maskable) |
| { |
| /* nothing to do */ |
| return 0; |
| } |
| |
| static int qemu_s390_io_adapter_map(S390FLICState *fs, uint32_t id, |
| uint64_t map_addr, bool do_map) |
| { |
| /* nothing to do */ |
| return 0; |
| } |
| |
| static int qemu_s390_add_adapter_routes(S390FLICState *fs, |
| AdapterRoutes *routes) |
| { |
| return -ENOSYS; |
| } |
| |
| static void qemu_s390_release_adapter_routes(S390FLICState *fs, |
| AdapterRoutes *routes) |
| { |
| } |
| |
| static void qemu_s390_flic_class_init(ObjectClass *oc, void *data) |
| { |
| S390FLICStateClass *fsc = S390_FLIC_COMMON_CLASS(oc); |
| |
| fsc->register_io_adapter = qemu_s390_register_io_adapter; |
| fsc->io_adapter_map = qemu_s390_io_adapter_map; |
| fsc->add_adapter_routes = qemu_s390_add_adapter_routes; |
| fsc->release_adapter_routes = qemu_s390_release_adapter_routes; |
| } |
| |
| static const TypeInfo qemu_s390_flic_info = { |
| .name = TYPE_QEMU_S390_FLIC, |
| .parent = TYPE_S390_FLIC_COMMON, |
| .instance_size = sizeof(QEMUS390FLICState), |
| .class_init = qemu_s390_flic_class_init, |
| }; |
| |
| static const TypeInfo s390_flic_common_info = { |
| .name = TYPE_S390_FLIC_COMMON, |
| .parent = TYPE_SYS_BUS_DEVICE, |
| .instance_size = sizeof(S390FLICState), |
| .class_size = sizeof(S390FLICStateClass), |
| }; |
| |
| static void qemu_s390_flic_register_types(void) |
| { |
| type_register_static(&s390_flic_common_info); |
| type_register_static(&qemu_s390_flic_info); |
| } |
| |
| type_init(qemu_s390_flic_register_types) |