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1/*
2 * QEMU Machine
3 *
4 * Copyright (C) 2014 Red Hat Inc
5 *
6 * Authors:
7 * Marcel Apfelbaum <marcel.a@redhat.com>
8 *
9 * This work is licensed under the terms of the GNU GPL, version 2 or later.
10 * See the COPYING file in the top-level directory.
11 */
12
13#include "hw/boards.h"
6b1b1440 14#include "qapi/visitor.h"
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15#include "hw/sysbus.h"
16#include "sysemu/sysemu.h"
17#include "qemu/error-report.h"
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18
19static char *machine_get_accel(Object *obj, Error **errp)
20{
21 MachineState *ms = MACHINE(obj);
22
23 return g_strdup(ms->accel);
24}
25
26static void machine_set_accel(Object *obj, const char *value, Error **errp)
27{
28 MachineState *ms = MACHINE(obj);
29
556068ee 30 g_free(ms->accel);
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31 ms->accel = g_strdup(value);
32}
33
34static bool machine_get_kernel_irqchip(Object *obj, Error **errp)
35{
36 MachineState *ms = MACHINE(obj);
37
38 return ms->kernel_irqchip;
39}
40
41static void machine_set_kernel_irqchip(Object *obj, bool value, Error **errp)
42{
43 MachineState *ms = MACHINE(obj);
44
45 ms->kernel_irqchip = value;
46}
47
48static void machine_get_kvm_shadow_mem(Object *obj, Visitor *v,
49 void *opaque, const char *name,
50 Error **errp)
51{
52 MachineState *ms = MACHINE(obj);
53 int64_t value = ms->kvm_shadow_mem;
54
55 visit_type_int(v, &value, name, errp);
56}
57
58static void machine_set_kvm_shadow_mem(Object *obj, Visitor *v,
59 void *opaque, const char *name,
60 Error **errp)
61{
62 MachineState *ms = MACHINE(obj);
63 Error *error = NULL;
64 int64_t value;
65
66 visit_type_int(v, &value, name, &error);
67 if (error) {
68 error_propagate(errp, error);
69 return;
70 }
71
72 ms->kvm_shadow_mem = value;
73}
74
75static char *machine_get_kernel(Object *obj, Error **errp)
76{
77 MachineState *ms = MACHINE(obj);
78
79 return g_strdup(ms->kernel_filename);
80}
81
82static void machine_set_kernel(Object *obj, const char *value, Error **errp)
83{
84 MachineState *ms = MACHINE(obj);
85
556068ee 86 g_free(ms->kernel_filename);
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87 ms->kernel_filename = g_strdup(value);
88}
89
90static char *machine_get_initrd(Object *obj, Error **errp)
91{
92 MachineState *ms = MACHINE(obj);
93
94 return g_strdup(ms->initrd_filename);
95}
96
97static void machine_set_initrd(Object *obj, const char *value, Error **errp)
98{
99 MachineState *ms = MACHINE(obj);
100
556068ee 101 g_free(ms->initrd_filename);
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102 ms->initrd_filename = g_strdup(value);
103}
104
105static char *machine_get_append(Object *obj, Error **errp)
106{
107 MachineState *ms = MACHINE(obj);
108
109 return g_strdup(ms->kernel_cmdline);
110}
111
112static void machine_set_append(Object *obj, const char *value, Error **errp)
113{
114 MachineState *ms = MACHINE(obj);
115
556068ee 116 g_free(ms->kernel_cmdline);
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117 ms->kernel_cmdline = g_strdup(value);
118}
119
120static char *machine_get_dtb(Object *obj, Error **errp)
121{
122 MachineState *ms = MACHINE(obj);
123
124 return g_strdup(ms->dtb);
125}
126
127static void machine_set_dtb(Object *obj, const char *value, Error **errp)
128{
129 MachineState *ms = MACHINE(obj);
130
556068ee 131 g_free(ms->dtb);
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132 ms->dtb = g_strdup(value);
133}
134
135static char *machine_get_dumpdtb(Object *obj, Error **errp)
136{
137 MachineState *ms = MACHINE(obj);
138
139 return g_strdup(ms->dumpdtb);
140}
141
142static void machine_set_dumpdtb(Object *obj, const char *value, Error **errp)
143{
144 MachineState *ms = MACHINE(obj);
145
556068ee 146 g_free(ms->dumpdtb);
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147 ms->dumpdtb = g_strdup(value);
148}
149
150static void machine_get_phandle_start(Object *obj, Visitor *v,
151 void *opaque, const char *name,
152 Error **errp)
153{
154 MachineState *ms = MACHINE(obj);
155 int64_t value = ms->phandle_start;
156
157 visit_type_int(v, &value, name, errp);
158}
159
160static void machine_set_phandle_start(Object *obj, Visitor *v,
161 void *opaque, const char *name,
162 Error **errp)
163{
164 MachineState *ms = MACHINE(obj);
165 Error *error = NULL;
166 int64_t value;
167
168 visit_type_int(v, &value, name, &error);
169 if (error) {
170 error_propagate(errp, error);
171 return;
172 }
173
174 ms->phandle_start = value;
175}
176
177static char *machine_get_dt_compatible(Object *obj, Error **errp)
178{
179 MachineState *ms = MACHINE(obj);
180
181 return g_strdup(ms->dt_compatible);
182}
183
184static void machine_set_dt_compatible(Object *obj, const char *value, Error **errp)
185{
186 MachineState *ms = MACHINE(obj);
187
556068ee 188 g_free(ms->dt_compatible);
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189 ms->dt_compatible = g_strdup(value);
190}
191
192static bool machine_get_dump_guest_core(Object *obj, Error **errp)
193{
194 MachineState *ms = MACHINE(obj);
195
196 return ms->dump_guest_core;
197}
198
199static void machine_set_dump_guest_core(Object *obj, bool value, Error **errp)
200{
201 MachineState *ms = MACHINE(obj);
202
203 ms->dump_guest_core = value;
204}
205
206static bool machine_get_mem_merge(Object *obj, Error **errp)
207{
208 MachineState *ms = MACHINE(obj);
209
210 return ms->mem_merge;
211}
212
213static void machine_set_mem_merge(Object *obj, bool value, Error **errp)
214{
215 MachineState *ms = MACHINE(obj);
216
217 ms->mem_merge = value;
218}
219
220static bool machine_get_usb(Object *obj, Error **errp)
221{
222 MachineState *ms = MACHINE(obj);
223
224 return ms->usb;
225}
226
227static void machine_set_usb(Object *obj, bool value, Error **errp)
228{
229 MachineState *ms = MACHINE(obj);
230
231 ms->usb = value;
232}
233
234static char *machine_get_firmware(Object *obj, Error **errp)
235{
236 MachineState *ms = MACHINE(obj);
237
238 return g_strdup(ms->firmware);
239}
240
241static void machine_set_firmware(Object *obj, const char *value, Error **errp)
242{
243 MachineState *ms = MACHINE(obj);
244
556068ee 245 g_free(ms->firmware);
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246 ms->firmware = g_strdup(value);
247}
248
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249static bool machine_get_iommu(Object *obj, Error **errp)
250{
251 MachineState *ms = MACHINE(obj);
252
253 return ms->iommu;
254}
255
256static void machine_set_iommu(Object *obj, bool value, Error **errp)
257{
258 MachineState *ms = MACHINE(obj);
259
260 ms->iommu = value;
261}
262
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263static int error_on_sysbus_device(SysBusDevice *sbdev, void *opaque)
264{
265 error_report("Option '-device %s' cannot be handled by this machine",
266 object_class_get_name(object_get_class(OBJECT(sbdev))));
267 exit(1);
268}
269
270static void machine_init_notify(Notifier *notifier, void *data)
271{
272 Object *machine = qdev_get_machine();
273 ObjectClass *oc = object_get_class(machine);
274 MachineClass *mc = MACHINE_CLASS(oc);
275
276 if (mc->has_dynamic_sysbus) {
277 /* Our machine can handle dynamic sysbus devices, we're all good */
278 return;
279 }
280
281 /*
282 * Loop through all dynamically created devices and check whether there
283 * are sysbus devices among them. If there are, error out.
284 */
285 foreach_dynamic_sysbus_device(error_on_sysbus_device, NULL);
286}
287
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288static void machine_initfn(Object *obj)
289{
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290 MachineState *ms = MACHINE(obj);
291
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292 object_property_add_str(obj, "accel",
293 machine_get_accel, machine_set_accel, NULL);
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294 object_property_set_description(obj, "accel",
295 "Accelerator list",
296 NULL);
b0ddb8bf 297 object_property_add_bool(obj, "kernel-irqchip",
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298 machine_get_kernel_irqchip,
299 machine_set_kernel_irqchip,
300 NULL);
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301 object_property_set_description(obj, "kernel-irqchip",
302 "Use KVM in-kernel irqchip",
303 NULL);
b0ddb8bf 304 object_property_add(obj, "kvm-shadow-mem", "int",
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305 machine_get_kvm_shadow_mem,
306 machine_set_kvm_shadow_mem,
307 NULL, NULL, NULL);
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308 object_property_set_description(obj, "kvm-shadow-mem",
309 "KVM shadow MMU size",
310 NULL);
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311 object_property_add_str(obj, "kernel",
312 machine_get_kernel, machine_set_kernel, NULL);
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313 object_property_set_description(obj, "kernel",
314 "Linux kernel image file",
315 NULL);
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316 object_property_add_str(obj, "initrd",
317 machine_get_initrd, machine_set_initrd, NULL);
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318 object_property_set_description(obj, "initrd",
319 "Linux initial ramdisk file",
320 NULL);
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321 object_property_add_str(obj, "append",
322 machine_get_append, machine_set_append, NULL);
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323 object_property_set_description(obj, "append",
324 "Linux kernel command line",
325 NULL);
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326 object_property_add_str(obj, "dtb",
327 machine_get_dtb, machine_set_dtb, NULL);
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328 object_property_set_description(obj, "dtb",
329 "Linux kernel device tree file",
330 NULL);
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331 object_property_add_str(obj, "dumpdtb",
332 machine_get_dumpdtb, machine_set_dumpdtb, NULL);
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333 object_property_set_description(obj, "dumpdtb",
334 "Dump current dtb to a file and quit",
335 NULL);
b0ddb8bf 336 object_property_add(obj, "phandle-start", "int",
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337 machine_get_phandle_start,
338 machine_set_phandle_start,
339 NULL, NULL, NULL);
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340 object_property_set_description(obj, "phandle-start",
341 "The first phandle ID we may generate dynamically",
342 NULL);
b0ddb8bf 343 object_property_add_str(obj, "dt-compatible",
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344 machine_get_dt_compatible,
345 machine_set_dt_compatible,
346 NULL);
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347 object_property_set_description(obj, "dt-compatible",
348 "Overrides the \"compatible\" property of the dt root node",
349 NULL);
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350 object_property_add_bool(obj, "dump-guest-core",
351 machine_get_dump_guest_core,
352 machine_set_dump_guest_core,
353 NULL);
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354 object_property_set_description(obj, "dump-guest-core",
355 "Include guest memory in a core dump",
356 NULL);
6b1b1440 357 object_property_add_bool(obj, "mem-merge",
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358 machine_get_mem_merge,
359 machine_set_mem_merge, NULL);
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360 object_property_set_description(obj, "mem-merge",
361 "Enable/disable memory merge support",
362 NULL);
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363 object_property_add_bool(obj, "usb",
364 machine_get_usb,
365 machine_set_usb, NULL);
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366 object_property_set_description(obj, "usb",
367 "Set on/off to enable/disable usb",
368 NULL);
6b1b1440 369 object_property_add_str(obj, "firmware",
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370 machine_get_firmware,
371 machine_set_firmware, NULL);
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372 object_property_set_description(obj, "firmware",
373 "Firmware image",
374 NULL);
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375 object_property_add_bool(obj, "iommu",
376 machine_get_iommu,
377 machine_set_iommu, NULL);
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378 object_property_set_description(obj, "iommu",
379 "Set on/off to enable/disable Intel IOMMU (VT-d)",
380 NULL);
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381
382 /* Register notifier when init is done for sysbus sanity checks */
383 ms->sysbus_notifier.notify = machine_init_notify;
384 qemu_add_machine_init_done_notifier(&ms->sysbus_notifier);
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385}
386
387static void machine_finalize(Object *obj)
388{
389 MachineState *ms = MACHINE(obj);
390
391 g_free(ms->accel);
392 g_free(ms->kernel_filename);
393 g_free(ms->initrd_filename);
394 g_free(ms->kernel_cmdline);
395 g_free(ms->dtb);
396 g_free(ms->dumpdtb);
397 g_free(ms->dt_compatible);
398 g_free(ms->firmware);
399}
36d20cb2 400
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401bool machine_usb(MachineState *machine)
402{
403 return machine->usb;
404}
405
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406static const TypeInfo machine_info = {
407 .name = TYPE_MACHINE,
408 .parent = TYPE_OBJECT,
409 .abstract = true,
410 .class_size = sizeof(MachineClass),
411 .instance_size = sizeof(MachineState),
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412 .instance_init = machine_initfn,
413 .instance_finalize = machine_finalize,
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414};
415
416static void machine_register_types(void)
417{
418 type_register_static(&machine_info);
419}
420
421type_init(machine_register_types)