2 * QEMU S390x floating interrupt controller (flic)
4 * Copyright 2014 IBM Corp.
5 * Author(s): Jens Freimann <jfrei@linux.vnet.ibm.com>
6 * Cornelia Huck <cornelia.huck@de.ibm.com>
8 * This work is licensed under the terms of the GNU GPL, version 2 or (at
9 * your option) any later version. See the COPYING file in the top-level
13 #include "qemu/osdep.h"
14 #include "qemu/error-report.h"
15 #include "hw/sysbus.h"
16 #include "migration/qemu-file.h"
17 #include "hw/s390x/s390_flic.h"
20 #include "qapi/error.h"
22 S390FLICState
*s390_get_flic(void)
26 fs
= S390_FLIC_COMMON(object_resolve_path(TYPE_KVM_S390_FLIC
, NULL
));
28 fs
= S390_FLIC_COMMON(object_resolve_path(TYPE_QEMU_S390_FLIC
, NULL
));
33 void s390_flic_init(void)
37 dev
= s390_flic_kvm_create();
39 dev
= qdev_create(NULL
, TYPE_QEMU_S390_FLIC
);
40 object_property_add_child(qdev_get_machine(), TYPE_QEMU_S390_FLIC
,
43 qdev_init_nofail(dev
);
46 static int qemu_s390_register_io_adapter(S390FLICState
*fs
, uint32_t id
,
47 uint8_t isc
, bool swap
,
54 static int qemu_s390_io_adapter_map(S390FLICState
*fs
, uint32_t id
,
55 uint64_t map_addr
, bool do_map
)
61 static int qemu_s390_add_adapter_routes(S390FLICState
*fs
,
62 AdapterRoutes
*routes
)
67 static void qemu_s390_release_adapter_routes(S390FLICState
*fs
,
68 AdapterRoutes
*routes
)
72 static int qemu_s390_clear_io_flic(S390FLICState
*fs
, uint16_t subchannel_id
,
73 uint16_t subchannel_nr
)
79 static void qemu_s390_flic_class_init(ObjectClass
*oc
, void *data
)
81 S390FLICStateClass
*fsc
= S390_FLIC_COMMON_CLASS(oc
);
83 fsc
->register_io_adapter
= qemu_s390_register_io_adapter
;
84 fsc
->io_adapter_map
= qemu_s390_io_adapter_map
;
85 fsc
->add_adapter_routes
= qemu_s390_add_adapter_routes
;
86 fsc
->release_adapter_routes
= qemu_s390_release_adapter_routes
;
87 fsc
->clear_io_irq
= qemu_s390_clear_io_flic
;
90 static Property s390_flic_common_properties
[] = {
91 DEFINE_PROP_UINT32("adapter_routes_max_batch", S390FLICState
,
92 adapter_routes_max_batch
, ADAPTER_ROUTES_MAX_GSI
),
93 DEFINE_PROP_END_OF_LIST(),
96 static void s390_flic_common_realize(DeviceState
*dev
, Error
**errp
)
98 uint32_t max_batch
= S390_FLIC_COMMON(dev
)->adapter_routes_max_batch
;
100 if (max_batch
> ADAPTER_ROUTES_MAX_GSI
) {
101 error_setg(errp
, "flic adapter_routes_max_batch too big"
102 "%d (%d allowed)", max_batch
, ADAPTER_ROUTES_MAX_GSI
);
106 static void s390_flic_class_init(ObjectClass
*oc
, void *data
)
108 DeviceClass
*dc
= DEVICE_CLASS(oc
);
110 dc
->props
= s390_flic_common_properties
;
111 dc
->realize
= s390_flic_common_realize
;
114 static const TypeInfo qemu_s390_flic_info
= {
115 .name
= TYPE_QEMU_S390_FLIC
,
116 .parent
= TYPE_S390_FLIC_COMMON
,
117 .instance_size
= sizeof(QEMUS390FLICState
),
118 .class_init
= qemu_s390_flic_class_init
,
122 static const TypeInfo s390_flic_common_info
= {
123 .name
= TYPE_S390_FLIC_COMMON
,
124 .parent
= TYPE_SYS_BUS_DEVICE
,
125 .instance_size
= sizeof(S390FLICState
),
126 .class_init
= s390_flic_class_init
,
127 .class_size
= sizeof(S390FLICStateClass
),
130 static void qemu_s390_flic_register_types(void)
132 type_register_static(&s390_flic_common_info
);
133 type_register_static(&qemu_s390_flic_info
);
136 type_init(qemu_s390_flic_register_types
)