1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
/*
* 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/osdep.h"
#include "qemu/error-report.h"
#include "hw/sysbus.h"
#include "hw/s390x/s390_flic.h"
#include "trace.h"
#include "hw/qdev.h"
#include "qapi/error.h"
#include "hw/s390x/s390-virtio-ccw.h"
S390FLICState *s390_get_flic(void)
{
static S390FLICState *fs;
if (!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, uint8_t flags)
{
/* 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 int qemu_s390_clear_io_flic(S390FLICState *fs, uint16_t subchannel_id,
uint16_t subchannel_nr)
{
/* Fixme TCG */
return -ENOSYS;
}
static int qemu_s390_modify_ais_mode(S390FLICState *fs, uint8_t isc,
uint16_t mode)
{
QEMUS390FLICState *flic = QEMU_S390_FLIC(fs);
switch (mode) {
case SIC_IRQ_MODE_ALL:
flic->simm &= ~AIS_MODE_MASK(isc);
flic->nimm &= ~AIS_MODE_MASK(isc);
break;
case SIC_IRQ_MODE_SINGLE:
flic->simm |= AIS_MODE_MASK(isc);
flic->nimm &= ~AIS_MODE_MASK(isc);
break;
default:
return -EINVAL;
}
return 0;
}
static void qemu_s390_flic_reset(DeviceState *dev)
{
QEMUS390FLICState *flic = QEMU_S390_FLIC(dev);
flic->simm = 0;
flic->nimm = 0;
}
static void qemu_s390_flic_class_init(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
S390FLICStateClass *fsc = S390_FLIC_COMMON_CLASS(oc);
dc->reset = qemu_s390_flic_reset;
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;
fsc->clear_io_irq = qemu_s390_clear_io_flic;
fsc->modify_ais_mode = qemu_s390_modify_ais_mode;
}
static Property s390_flic_common_properties[] = {
DEFINE_PROP_UINT32("adapter_routes_max_batch", S390FLICState,
adapter_routes_max_batch, ADAPTER_ROUTES_MAX_GSI),
DEFINE_PROP_END_OF_LIST(),
};
static void s390_flic_common_realize(DeviceState *dev, Error **errp)
{
S390FLICState *fs = S390_FLIC_COMMON(dev);
uint32_t max_batch = fs->adapter_routes_max_batch;
if (max_batch > ADAPTER_ROUTES_MAX_GSI) {
error_setg(errp, "flic property adapter_routes_max_batch too big"
" (%d > %d)", max_batch, ADAPTER_ROUTES_MAX_GSI);
}
fs->ais_supported = true;
}
static void s390_flic_class_init(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
dc->props = s390_flic_common_properties;
dc->realize = s390_flic_common_realize;
}
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_init = s390_flic_class_init,
.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)
const VMStateDescription vmstate_adapter_info = {
.name = "s390_adapter_info",
.version_id = 1,
.minimum_version_id = 1,
.fields = (VMStateField[]) {
VMSTATE_UINT64(ind_offset, AdapterInfo),
/*
* We do not have to migrate neither the id nor the addresses.
* The id is set by css_register_io_adapter and the addresses
* are set based on the IndAddr objects after those get mapped.
*/
VMSTATE_END_OF_LIST()
},
};
const VMStateDescription vmstate_adapter_routes = {
.name = "s390_adapter_routes",
.version_id = 1,
.minimum_version_id = 1,
.fields = (VMStateField[]) {
VMSTATE_STRUCT(adapter, AdapterRoutes, 1, vmstate_adapter_info,
AdapterInfo),
VMSTATE_END_OF_LIST()
}
};
|
