diff options
Diffstat (limited to 'qemu/hw/intc/s390_flic.c')
-rw-r--r-- | qemu/hw/intc/s390_flic.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/qemu/hw/intc/s390_flic.c b/qemu/hw/intc/s390_flic.c new file mode 100644 index 000000000..02e10b750 --- /dev/null +++ b/qemu/hw/intc/s390_flic.c @@ -0,0 +1,99 @@ +/* + * 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) |