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Commit | Line | Data |
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3a553fc6 | 1 | /* |
7b35d0c4 | 2 | * QEMU S390x floating interrupt controller (flic) |
3a553fc6 JF |
3 | * |
4 | * Copyright 2014 IBM Corp. | |
5 | * Author(s): Jens Freimann <jfrei@linux.vnet.ibm.com> | |
7b35d0c4 | 6 | * Cornelia Huck <cornelia.huck@de.ibm.com> |
3a553fc6 JF |
7 | * |
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 | |
10 | * directory. | |
11 | */ | |
12 | ||
90191d07 | 13 | #include "qemu/osdep.h" |
3a553fc6 JF |
14 | #include "qemu/error-report.h" |
15 | #include "hw/sysbus.h" | |
3a553fc6 JF |
16 | #include "migration/qemu-file.h" |
17 | #include "hw/s390x/s390_flic.h" | |
18 | #include "trace.h" | |
19 | ||
7b35d0c4 | 20 | S390FLICState *s390_get_flic(void) |
819bd309 | 21 | { |
7b35d0c4 | 22 | S390FLICState *fs; |
819bd309 | 23 | |
7b35d0c4 CH |
24 | fs = S390_FLIC_COMMON(object_resolve_path(TYPE_KVM_S390_FLIC, NULL)); |
25 | if (!fs) { | |
26 | fs = S390_FLIC_COMMON(object_resolve_path(TYPE_QEMU_S390_FLIC, NULL)); | |
819bd309 | 27 | } |
7b35d0c4 | 28 | return fs; |
819bd309 DD |
29 | } |
30 | ||
7b35d0c4 | 31 | void s390_flic_init(void) |
3a553fc6 | 32 | { |
7b35d0c4 | 33 | DeviceState *dev; |
3a553fc6 | 34 | |
7b35d0c4 CH |
35 | dev = s390_flic_kvm_create(); |
36 | if (!dev) { | |
37 | dev = qdev_create(NULL, TYPE_QEMU_S390_FLIC); | |
38 | object_property_add_child(qdev_get_machine(), TYPE_QEMU_S390_FLIC, | |
39 | OBJECT(dev), NULL); | |
3a553fc6 | 40 | } |
ae4a2bd7 | 41 | qdev_init_nofail(dev); |
3a553fc6 JF |
42 | } |
43 | ||
03cf077a CH |
44 | static int qemu_s390_register_io_adapter(S390FLICState *fs, uint32_t id, |
45 | uint8_t isc, bool swap, | |
46 | bool is_maskable) | |
47 | { | |
48 | /* nothing to do */ | |
49 | return 0; | |
50 | } | |
51 | ||
d426d9fb CH |
52 | static int qemu_s390_io_adapter_map(S390FLICState *fs, uint32_t id, |
53 | uint64_t map_addr, bool do_map) | |
54 | { | |
55 | /* nothing to do */ | |
56 | return 0; | |
57 | } | |
58 | ||
59 | static int qemu_s390_add_adapter_routes(S390FLICState *fs, | |
60 | AdapterRoutes *routes) | |
61 | { | |
62 | return -ENOSYS; | |
63 | } | |
64 | ||
65 | static void qemu_s390_release_adapter_routes(S390FLICState *fs, | |
66 | AdapterRoutes *routes) | |
67 | { | |
68 | } | |
69 | ||
03cf077a CH |
70 | static void qemu_s390_flic_class_init(ObjectClass *oc, void *data) |
71 | { | |
72 | S390FLICStateClass *fsc = S390_FLIC_COMMON_CLASS(oc); | |
73 | ||
74 | fsc->register_io_adapter = qemu_s390_register_io_adapter; | |
d426d9fb CH |
75 | fsc->io_adapter_map = qemu_s390_io_adapter_map; |
76 | fsc->add_adapter_routes = qemu_s390_add_adapter_routes; | |
77 | fsc->release_adapter_routes = qemu_s390_release_adapter_routes; | |
03cf077a CH |
78 | } |
79 | ||
7b35d0c4 CH |
80 | static const TypeInfo qemu_s390_flic_info = { |
81 | .name = TYPE_QEMU_S390_FLIC, | |
82 | .parent = TYPE_S390_FLIC_COMMON, | |
83 | .instance_size = sizeof(QEMUS390FLICState), | |
03cf077a | 84 | .class_init = qemu_s390_flic_class_init, |
7b35d0c4 | 85 | }; |
3a553fc6 | 86 | |
7b35d0c4 CH |
87 | static const TypeInfo s390_flic_common_info = { |
88 | .name = TYPE_S390_FLIC_COMMON, | |
3a553fc6 | 89 | .parent = TYPE_SYS_BUS_DEVICE, |
7b35d0c4 CH |
90 | .instance_size = sizeof(S390FLICState), |
91 | .class_size = sizeof(S390FLICStateClass), | |
3a553fc6 JF |
92 | }; |
93 | ||
7b35d0c4 | 94 | static void qemu_s390_flic_register_types(void) |
3a553fc6 | 95 | { |
7b35d0c4 CH |
96 | type_register_static(&s390_flic_common_info); |
97 | type_register_static(&qemu_s390_flic_info); | |
3a553fc6 JF |
98 | } |
99 | ||
7b35d0c4 | 100 | type_init(qemu_s390_flic_register_types) |