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
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
|
/*
* QEMU Machine
*
* Copyright (C) 2014 Red Hat Inc
*
* Authors:
* Marcel Apfelbaum <marcel.a@redhat.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "hw/boards.h"
#include "qapi/visitor.h"
#include "hw/sysbus.h"
#include "sysemu/sysemu.h"
#include "qemu/error-report.h"
static char *machine_get_accel(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
return g_strdup(ms->accel);
}
static void machine_set_accel(Object *obj, const char *value, Error **errp)
{
MachineState *ms = MACHINE(obj);
g_free(ms->accel);
ms->accel = g_strdup(value);
}
static void machine_set_kernel_irqchip(Object *obj, bool value, Error **errp)
{
MachineState *ms = MACHINE(obj);
ms->kernel_irqchip_allowed = value;
ms->kernel_irqchip_required = value;
}
static void machine_get_kvm_shadow_mem(Object *obj, Visitor *v,
void *opaque, const char *name,
Error **errp)
{
MachineState *ms = MACHINE(obj);
int64_t value = ms->kvm_shadow_mem;
visit_type_int(v, &value, name, errp);
}
static void machine_set_kvm_shadow_mem(Object *obj, Visitor *v,
void *opaque, const char *name,
Error **errp)
{
MachineState *ms = MACHINE(obj);
Error *error = NULL;
int64_t value;
visit_type_int(v, &value, name, &error);
if (error) {
error_propagate(errp, error);
return;
}
ms->kvm_shadow_mem = value;
}
static char *machine_get_kernel(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
return g_strdup(ms->kernel_filename);
}
static void machine_set_kernel(Object *obj, const char *value, Error **errp)
{
MachineState *ms = MACHINE(obj);
g_free(ms->kernel_filename);
ms->kernel_filename = g_strdup(value);
}
static char *machine_get_initrd(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
return g_strdup(ms->initrd_filename);
}
static void machine_set_initrd(Object *obj, const char *value, Error **errp)
{
MachineState *ms = MACHINE(obj);
g_free(ms->initrd_filename);
ms->initrd_filename = g_strdup(value);
}
static char *machine_get_append(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
return g_strdup(ms->kernel_cmdline);
}
static void machine_set_append(Object *obj, const char *value, Error **errp)
{
MachineState *ms = MACHINE(obj);
g_free(ms->kernel_cmdline);
ms->kernel_cmdline = g_strdup(value);
}
static char *machine_get_dtb(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
return g_strdup(ms->dtb);
}
static void machine_set_dtb(Object *obj, const char *value, Error **errp)
{
MachineState *ms = MACHINE(obj);
g_free(ms->dtb);
ms->dtb = g_strdup(value);
}
static char *machine_get_dumpdtb(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
return g_strdup(ms->dumpdtb);
}
static void machine_set_dumpdtb(Object *obj, const char *value, Error **errp)
{
MachineState *ms = MACHINE(obj);
g_free(ms->dumpdtb);
ms->dumpdtb = g_strdup(value);
}
static void machine_get_phandle_start(Object *obj, Visitor *v,
void *opaque, const char *name,
Error **errp)
{
MachineState *ms = MACHINE(obj);
int64_t value = ms->phandle_start;
visit_type_int(v, &value, name, errp);
}
static void machine_set_phandle_start(Object *obj, Visitor *v,
void *opaque, const char *name,
Error **errp)
{
MachineState *ms = MACHINE(obj);
Error *error = NULL;
int64_t value;
visit_type_int(v, &value, name, &error);
if (error) {
error_propagate(errp, error);
return;
}
ms->phandle_start = value;
}
static char *machine_get_dt_compatible(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
return g_strdup(ms->dt_compatible);
}
static void machine_set_dt_compatible(Object *obj, const char *value, Error **errp)
{
MachineState *ms = MACHINE(obj);
g_free(ms->dt_compatible);
ms->dt_compatible = g_strdup(value);
}
static bool machine_get_dump_guest_core(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
return ms->dump_guest_core;
}
static void machine_set_dump_guest_core(Object *obj, bool value, Error **errp)
{
MachineState *ms = MACHINE(obj);
ms->dump_guest_core = value;
}
static bool machine_get_mem_merge(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
return ms->mem_merge;
}
static void machine_set_mem_merge(Object *obj, bool value, Error **errp)
{
MachineState *ms = MACHINE(obj);
ms->mem_merge = value;
}
static bool machine_get_usb(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
return ms->usb;
}
static void machine_set_usb(Object *obj, bool value, Error **errp)
{
MachineState *ms = MACHINE(obj);
ms->usb = value;
}
static char *machine_get_firmware(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
return g_strdup(ms->firmware);
}
static void machine_set_firmware(Object *obj, const char *value, Error **errp)
{
MachineState *ms = MACHINE(obj);
g_free(ms->firmware);
ms->firmware = g_strdup(value);
}
static bool machine_get_iommu(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
return ms->iommu;
}
static void machine_set_iommu(Object *obj, bool value, Error **errp)
{
MachineState *ms = MACHINE(obj);
ms->iommu = value;
}
static int error_on_sysbus_device(SysBusDevice *sbdev, void *opaque)
{
error_report("Option '-device %s' cannot be handled by this machine",
object_class_get_name(object_get_class(OBJECT(sbdev))));
exit(1);
}
static void machine_init_notify(Notifier *notifier, void *data)
{
Object *machine = qdev_get_machine();
ObjectClass *oc = object_get_class(machine);
MachineClass *mc = MACHINE_CLASS(oc);
if (mc->has_dynamic_sysbus) {
/* Our machine can handle dynamic sysbus devices, we're all good */
return;
}
/*
* Loop through all dynamically created devices and check whether there
* are sysbus devices among them. If there are, error out.
*/
foreach_dynamic_sysbus_device(error_on_sysbus_device, NULL);
}
static void machine_initfn(Object *obj)
{
MachineState *ms = MACHINE(obj);
ms->kernel_irqchip_allowed = true;
ms->kvm_shadow_mem = -1;
object_property_add_str(obj, "accel",
machine_get_accel, machine_set_accel, NULL);
object_property_set_description(obj, "accel",
"Accelerator list",
NULL);
object_property_add_bool(obj, "kernel-irqchip",
NULL,
machine_set_kernel_irqchip,
NULL);
object_property_set_description(obj, "kernel-irqchip",
"Use KVM in-kernel irqchip",
NULL);
object_property_add(obj, "kvm-shadow-mem", "int",
machine_get_kvm_shadow_mem,
machine_set_kvm_shadow_mem,
NULL, NULL, NULL);
object_property_set_description(obj, "kvm-shadow-mem",
"KVM shadow MMU size",
NULL);
object_property_add_str(obj, "kernel",
machine_get_kernel, machine_set_kernel, NULL);
object_property_set_description(obj, "kernel",
"Linux kernel image file",
NULL);
object_property_add_str(obj, "initrd",
machine_get_initrd, machine_set_initrd, NULL);
object_property_set_description(obj, "initrd",
"Linux initial ramdisk file",
NULL);
object_property_add_str(obj, "append",
machine_get_append, machine_set_append, NULL);
object_property_set_description(obj, "append",
"Linux kernel command line",
NULL);
object_property_add_str(obj, "dtb",
machine_get_dtb, machine_set_dtb, NULL);
object_property_set_description(obj, "dtb",
"Linux kernel device tree file",
NULL);
object_property_add_str(obj, "dumpdtb",
machine_get_dumpdtb, machine_set_dumpdtb, NULL);
object_property_set_description(obj, "dumpdtb",
"Dump current dtb to a file and quit",
NULL);
object_property_add(obj, "phandle-start", "int",
machine_get_phandle_start,
machine_set_phandle_start,
NULL, NULL, NULL);
object_property_set_description(obj, "phandle-start",
"The first phandle ID we may generate dynamically",
NULL);
object_property_add_str(obj, "dt-compatible",
machine_get_dt_compatible,
machine_set_dt_compatible,
NULL);
object_property_set_description(obj, "dt-compatible",
"Overrides the \"compatible\" property of the dt root node",
NULL);
object_property_add_bool(obj, "dump-guest-core",
machine_get_dump_guest_core,
machine_set_dump_guest_core,
NULL);
object_property_set_description(obj, "dump-guest-core",
"Include guest memory in a core dump",
NULL);
object_property_add_bool(obj, "mem-merge",
machine_get_mem_merge,
machine_set_mem_merge, NULL);
object_property_set_description(obj, "mem-merge",
"Enable/disable memory merge support",
NULL);
object_property_add_bool(obj, "usb",
machine_get_usb,
machine_set_usb, NULL);
object_property_set_description(obj, "usb",
"Set on/off to enable/disable usb",
NULL);
object_property_add_str(obj, "firmware",
machine_get_firmware,
machine_set_firmware, NULL);
object_property_set_description(obj, "firmware",
"Firmware image",
NULL);
object_property_add_bool(obj, "iommu",
machine_get_iommu,
machine_set_iommu, NULL);
object_property_set_description(obj, "iommu",
"Set on/off to enable/disable Intel IOMMU (VT-d)",
NULL);
/* Register notifier when init is done for sysbus sanity checks */
ms->sysbus_notifier.notify = machine_init_notify;
qemu_add_machine_init_done_notifier(&ms->sysbus_notifier);
}
static void machine_finalize(Object *obj)
{
MachineState *ms = MACHINE(obj);
g_free(ms->accel);
g_free(ms->kernel_filename);
g_free(ms->initrd_filename);
g_free(ms->kernel_cmdline);
g_free(ms->dtb);
g_free(ms->dumpdtb);
g_free(ms->dt_compatible);
g_free(ms->firmware);
}
bool machine_usb(MachineState *machine)
{
return machine->usb;
}
bool machine_iommu(MachineState *machine)
{
return machine->iommu;
}
bool machine_kernel_irqchip_allowed(MachineState *machine)
{
return machine->kernel_irqchip_allowed;
}
bool machine_kernel_irqchip_required(MachineState *machine)
{
return machine->kernel_irqchip_required;
}
int machine_kvm_shadow_mem(MachineState *machine)
{
return machine->kvm_shadow_mem;
}
int machine_phandle_start(MachineState *machine)
{
return machine->phandle_start;
}
static const TypeInfo machine_info = {
.name = TYPE_MACHINE,
.parent = TYPE_OBJECT,
.abstract = true,
.class_size = sizeof(MachineClass),
.instance_size = sizeof(MachineState),
.instance_init = machine_initfn,
.instance_finalize = machine_finalize,
};
static void machine_register_types(void)
{
type_register_static(&machine_info);
}
type_init(machine_register_types)
|