4 * Copyright (C) 2014 Red Hat Inc
7 * Marcel Apfelbaum <marcel.a@redhat.com>
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.
13 #include "qemu/osdep.h"
14 #include "hw/boards.h"
15 #include "qapi/error.h"
16 #include "qapi-visit.h"
17 #include "qapi/visitor.h"
18 #include "hw/sysbus.h"
19 #include "sysemu/sysemu.h"
20 #include "sysemu/numa.h"
21 #include "qemu/error-report.h"
22 #include "qemu/cutils.h"
23 #include "sysemu/qtest.h"
25 static char *machine_get_accel(Object
*obj
, Error
**errp
)
27 MachineState
*ms
= MACHINE(obj
);
29 return g_strdup(ms
->accel
);
32 static void machine_set_accel(Object
*obj
, const char *value
, Error
**errp
)
34 MachineState
*ms
= MACHINE(obj
);
37 ms
->accel
= g_strdup(value
);
40 static void machine_set_kernel_irqchip(Object
*obj
, Visitor
*v
,
41 const char *name
, void *opaque
,
45 MachineState
*ms
= MACHINE(obj
);
48 visit_type_OnOffSplit(v
, name
, &mode
, &err
);
50 error_propagate(errp
, err
);
55 ms
->kernel_irqchip_allowed
= true;
56 ms
->kernel_irqchip_required
= true;
57 ms
->kernel_irqchip_split
= false;
59 case ON_OFF_SPLIT_OFF
:
60 ms
->kernel_irqchip_allowed
= false;
61 ms
->kernel_irqchip_required
= false;
62 ms
->kernel_irqchip_split
= false;
64 case ON_OFF_SPLIT_SPLIT
:
65 ms
->kernel_irqchip_allowed
= true;
66 ms
->kernel_irqchip_required
= true;
67 ms
->kernel_irqchip_split
= true;
70 /* The value was checked in visit_type_OnOffSplit() above. If
71 * we get here, then something is wrong in QEMU.
78 static void machine_get_kvm_shadow_mem(Object
*obj
, Visitor
*v
,
79 const char *name
, void *opaque
,
82 MachineState
*ms
= MACHINE(obj
);
83 int64_t value
= ms
->kvm_shadow_mem
;
85 visit_type_int(v
, name
, &value
, errp
);
88 static void machine_set_kvm_shadow_mem(Object
*obj
, Visitor
*v
,
89 const char *name
, void *opaque
,
92 MachineState
*ms
= MACHINE(obj
);
96 visit_type_int(v
, name
, &value
, &error
);
98 error_propagate(errp
, error
);
102 ms
->kvm_shadow_mem
= value
;
105 static char *machine_get_kernel(Object
*obj
, Error
**errp
)
107 MachineState
*ms
= MACHINE(obj
);
109 return g_strdup(ms
->kernel_filename
);
112 static void machine_set_kernel(Object
*obj
, const char *value
, Error
**errp
)
114 MachineState
*ms
= MACHINE(obj
);
116 g_free(ms
->kernel_filename
);
117 ms
->kernel_filename
= g_strdup(value
);
120 static char *machine_get_initrd(Object
*obj
, Error
**errp
)
122 MachineState
*ms
= MACHINE(obj
);
124 return g_strdup(ms
->initrd_filename
);
127 static void machine_set_initrd(Object
*obj
, const char *value
, Error
**errp
)
129 MachineState
*ms
= MACHINE(obj
);
131 g_free(ms
->initrd_filename
);
132 ms
->initrd_filename
= g_strdup(value
);
135 static char *machine_get_append(Object
*obj
, Error
**errp
)
137 MachineState
*ms
= MACHINE(obj
);
139 return g_strdup(ms
->kernel_cmdline
);
142 static void machine_set_append(Object
*obj
, const char *value
, Error
**errp
)
144 MachineState
*ms
= MACHINE(obj
);
146 g_free(ms
->kernel_cmdline
);
147 ms
->kernel_cmdline
= g_strdup(value
);
150 static char *machine_get_dtb(Object
*obj
, Error
**errp
)
152 MachineState
*ms
= MACHINE(obj
);
154 return g_strdup(ms
->dtb
);
157 static void machine_set_dtb(Object
*obj
, const char *value
, Error
**errp
)
159 MachineState
*ms
= MACHINE(obj
);
162 ms
->dtb
= g_strdup(value
);
165 static char *machine_get_dumpdtb(Object
*obj
, Error
**errp
)
167 MachineState
*ms
= MACHINE(obj
);
169 return g_strdup(ms
->dumpdtb
);
172 static void machine_set_dumpdtb(Object
*obj
, const char *value
, Error
**errp
)
174 MachineState
*ms
= MACHINE(obj
);
177 ms
->dumpdtb
= g_strdup(value
);
180 static void machine_get_phandle_start(Object
*obj
, Visitor
*v
,
181 const char *name
, void *opaque
,
184 MachineState
*ms
= MACHINE(obj
);
185 int64_t value
= ms
->phandle_start
;
187 visit_type_int(v
, name
, &value
, errp
);
190 static void machine_set_phandle_start(Object
*obj
, Visitor
*v
,
191 const char *name
, void *opaque
,
194 MachineState
*ms
= MACHINE(obj
);
198 visit_type_int(v
, name
, &value
, &error
);
200 error_propagate(errp
, error
);
204 ms
->phandle_start
= value
;
207 static char *machine_get_dt_compatible(Object
*obj
, Error
**errp
)
209 MachineState
*ms
= MACHINE(obj
);
211 return g_strdup(ms
->dt_compatible
);
214 static void machine_set_dt_compatible(Object
*obj
, const char *value
, Error
**errp
)
216 MachineState
*ms
= MACHINE(obj
);
218 g_free(ms
->dt_compatible
);
219 ms
->dt_compatible
= g_strdup(value
);
222 static bool machine_get_dump_guest_core(Object
*obj
, Error
**errp
)
224 MachineState
*ms
= MACHINE(obj
);
226 return ms
->dump_guest_core
;
229 static void machine_set_dump_guest_core(Object
*obj
, bool value
, Error
**errp
)
231 MachineState
*ms
= MACHINE(obj
);
233 ms
->dump_guest_core
= value
;
236 static bool machine_get_mem_merge(Object
*obj
, Error
**errp
)
238 MachineState
*ms
= MACHINE(obj
);
240 return ms
->mem_merge
;
243 static void machine_set_mem_merge(Object
*obj
, bool value
, Error
**errp
)
245 MachineState
*ms
= MACHINE(obj
);
247 ms
->mem_merge
= value
;
250 static bool machine_get_usb(Object
*obj
, Error
**errp
)
252 MachineState
*ms
= MACHINE(obj
);
257 static void machine_set_usb(Object
*obj
, bool value
, Error
**errp
)
259 MachineState
*ms
= MACHINE(obj
);
262 ms
->usb_disabled
= !value
;
265 static bool machine_get_graphics(Object
*obj
, Error
**errp
)
267 MachineState
*ms
= MACHINE(obj
);
269 return ms
->enable_graphics
;
272 static void machine_set_graphics(Object
*obj
, bool value
, Error
**errp
)
274 MachineState
*ms
= MACHINE(obj
);
276 ms
->enable_graphics
= value
;
279 static bool machine_get_igd_gfx_passthru(Object
*obj
, Error
**errp
)
281 MachineState
*ms
= MACHINE(obj
);
283 return ms
->igd_gfx_passthru
;
286 static void machine_set_igd_gfx_passthru(Object
*obj
, bool value
, Error
**errp
)
288 MachineState
*ms
= MACHINE(obj
);
290 ms
->igd_gfx_passthru
= value
;
293 static char *machine_get_firmware(Object
*obj
, Error
**errp
)
295 MachineState
*ms
= MACHINE(obj
);
297 return g_strdup(ms
->firmware
);
300 static void machine_set_firmware(Object
*obj
, const char *value
, Error
**errp
)
302 MachineState
*ms
= MACHINE(obj
);
304 g_free(ms
->firmware
);
305 ms
->firmware
= g_strdup(value
);
308 static void machine_set_suppress_vmdesc(Object
*obj
, bool value
, Error
**errp
)
310 MachineState
*ms
= MACHINE(obj
);
312 ms
->suppress_vmdesc
= value
;
315 static bool machine_get_suppress_vmdesc(Object
*obj
, Error
**errp
)
317 MachineState
*ms
= MACHINE(obj
);
319 return ms
->suppress_vmdesc
;
322 static void machine_set_enforce_config_section(Object
*obj
, bool value
,
325 MachineState
*ms
= MACHINE(obj
);
327 ms
->enforce_config_section
= value
;
330 static bool machine_get_enforce_config_section(Object
*obj
, Error
**errp
)
332 MachineState
*ms
= MACHINE(obj
);
334 return ms
->enforce_config_section
;
337 void machine_class_allow_dynamic_sysbus_dev(MachineClass
*mc
, const char *type
)
339 strList
*item
= g_new0(strList
, 1);
341 item
->value
= g_strdup(type
);
342 item
->next
= mc
->allowed_dynamic_sysbus_devices
;
343 mc
->allowed_dynamic_sysbus_devices
= item
;
346 static void validate_sysbus_device(SysBusDevice
*sbdev
, void *opaque
)
348 MachineState
*machine
= opaque
;
349 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
350 bool allowed
= false;
353 for (wl
= mc
->allowed_dynamic_sysbus_devices
;
356 allowed
|= !!object_dynamic_cast(OBJECT(sbdev
), wl
->value
);
360 error_report("Option '-device %s' cannot be handled by this machine",
361 object_class_get_name(object_get_class(OBJECT(sbdev
))));
366 static void machine_init_notify(Notifier
*notifier
, void *data
)
368 MachineState
*machine
= MACHINE(qdev_get_machine());
371 * Loop through all dynamically created sysbus devices and check if they are
372 * all allowed. If a device is not allowed, error out.
374 foreach_dynamic_sysbus_device(validate_sysbus_device
, machine
);
377 HotpluggableCPUList
*machine_query_hotpluggable_cpus(MachineState
*machine
)
380 HotpluggableCPUList
*head
= NULL
;
381 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
383 /* force board to initialize possible_cpus if it hasn't been done yet */
384 mc
->possible_cpu_arch_ids(machine
);
386 for (i
= 0; i
< machine
->possible_cpus
->len
; i
++) {
388 HotpluggableCPUList
*list_item
= g_new0(typeof(*list_item
), 1);
389 HotpluggableCPU
*cpu_item
= g_new0(typeof(*cpu_item
), 1);
391 cpu_item
->type
= g_strdup(machine
->possible_cpus
->cpus
[i
].type
);
392 cpu_item
->vcpus_count
= machine
->possible_cpus
->cpus
[i
].vcpus_count
;
393 cpu_item
->props
= g_memdup(&machine
->possible_cpus
->cpus
[i
].props
,
394 sizeof(*cpu_item
->props
));
396 cpu
= machine
->possible_cpus
->cpus
[i
].cpu
;
398 cpu_item
->has_qom_path
= true;
399 cpu_item
->qom_path
= object_get_canonical_path(cpu
);
401 list_item
->value
= cpu_item
;
402 list_item
->next
= head
;
409 * machine_set_cpu_numa_node:
410 * @machine: machine object to modify
411 * @props: specifies which cpu objects to assign to
412 * numa node specified by @props.node_id
413 * @errp: if an error occurs, a pointer to an area to store the error
415 * Associate NUMA node specified by @props.node_id with cpu slots that
416 * match socket/core/thread-ids specified by @props. It's recommended to use
417 * query-hotpluggable-cpus.props values to specify affected cpu slots,
418 * which would lead to exact 1:1 mapping of cpu slots to NUMA node.
420 * However for CLI convenience it's possible to pass in subset of properties,
421 * which would affect all cpu slots that match it.
423 * -smp 4,cores=2,sockets=2 -numa node,nodeid=0 -numa node,nodeid=1 \
424 * -numa cpu,node-id=0,socket_id=0 \
425 * -numa cpu,node-id=1,socket_id=1
426 * will assign all child cores of socket 0 to node 0 and
427 * of socket 1 to node 1.
429 * On attempt of reassigning (already assigned) cpu slot to another NUMA node,
431 * Empty subset is disallowed and function will return with error in this case.
433 void machine_set_cpu_numa_node(MachineState
*machine
,
434 const CpuInstanceProperties
*props
, Error
**errp
)
436 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
440 if (!mc
->possible_cpu_arch_ids
) {
441 error_setg(errp
, "mapping of CPUs to NUMA node is not supported");
445 /* disabling node mapping is not supported, forbid it */
446 assert(props
->has_node_id
);
448 /* force board to initialize possible_cpus if it hasn't been done yet */
449 mc
->possible_cpu_arch_ids(machine
);
451 for (i
= 0; i
< machine
->possible_cpus
->len
; i
++) {
452 CPUArchId
*slot
= &machine
->possible_cpus
->cpus
[i
];
454 /* reject unsupported by board properties */
455 if (props
->has_thread_id
&& !slot
->props
.has_thread_id
) {
456 error_setg(errp
, "thread-id is not supported");
460 if (props
->has_core_id
&& !slot
->props
.has_core_id
) {
461 error_setg(errp
, "core-id is not supported");
465 if (props
->has_socket_id
&& !slot
->props
.has_socket_id
) {
466 error_setg(errp
, "socket-id is not supported");
470 /* skip slots with explicit mismatch */
471 if (props
->has_thread_id
&& props
->thread_id
!= slot
->props
.thread_id
) {
475 if (props
->has_core_id
&& props
->core_id
!= slot
->props
.core_id
) {
479 if (props
->has_socket_id
&& props
->socket_id
!= slot
->props
.socket_id
) {
483 /* reject assignment if slot is already assigned, for compatibility
484 * of legacy cpu_index mapping with SPAPR core based mapping do not
485 * error out if cpu thread and matched core have the same node-id */
486 if (slot
->props
.has_node_id
&&
487 slot
->props
.node_id
!= props
->node_id
) {
488 error_setg(errp
, "CPU is already assigned to node-id: %" PRId64
,
489 slot
->props
.node_id
);
493 /* assign slot to node as it's matched '-numa cpu' key */
495 slot
->props
.node_id
= props
->node_id
;
496 slot
->props
.has_node_id
= props
->has_node_id
;
500 error_setg(errp
, "no match found");
504 static void machine_class_init(ObjectClass
*oc
, void *data
)
506 MachineClass
*mc
= MACHINE_CLASS(oc
);
508 /* Default 128 MB as guest ram size */
509 mc
->default_ram_size
= 128 * M_BYTE
;
510 mc
->rom_file_has_mr
= true;
512 /* numa node memory size aligned on 8MB by default.
513 * On Linux, each node's border has to be 8MB aligned
515 mc
->numa_mem_align_shift
= 23;
516 mc
->numa_auto_assign_ram
= numa_default_auto_assign_ram
;
518 object_class_property_add_str(oc
, "accel",
519 machine_get_accel
, machine_set_accel
, &error_abort
);
520 object_class_property_set_description(oc
, "accel",
521 "Accelerator list", &error_abort
);
523 object_class_property_add(oc
, "kernel-irqchip", "OnOffSplit",
524 NULL
, machine_set_kernel_irqchip
,
525 NULL
, NULL
, &error_abort
);
526 object_class_property_set_description(oc
, "kernel-irqchip",
527 "Configure KVM in-kernel irqchip", &error_abort
);
529 object_class_property_add(oc
, "kvm-shadow-mem", "int",
530 machine_get_kvm_shadow_mem
, machine_set_kvm_shadow_mem
,
531 NULL
, NULL
, &error_abort
);
532 object_class_property_set_description(oc
, "kvm-shadow-mem",
533 "KVM shadow MMU size", &error_abort
);
535 object_class_property_add_str(oc
, "kernel",
536 machine_get_kernel
, machine_set_kernel
, &error_abort
);
537 object_class_property_set_description(oc
, "kernel",
538 "Linux kernel image file", &error_abort
);
540 object_class_property_add_str(oc
, "initrd",
541 machine_get_initrd
, machine_set_initrd
, &error_abort
);
542 object_class_property_set_description(oc
, "initrd",
543 "Linux initial ramdisk file", &error_abort
);
545 object_class_property_add_str(oc
, "append",
546 machine_get_append
, machine_set_append
, &error_abort
);
547 object_class_property_set_description(oc
, "append",
548 "Linux kernel command line", &error_abort
);
550 object_class_property_add_str(oc
, "dtb",
551 machine_get_dtb
, machine_set_dtb
, &error_abort
);
552 object_class_property_set_description(oc
, "dtb",
553 "Linux kernel device tree file", &error_abort
);
555 object_class_property_add_str(oc
, "dumpdtb",
556 machine_get_dumpdtb
, machine_set_dumpdtb
, &error_abort
);
557 object_class_property_set_description(oc
, "dumpdtb",
558 "Dump current dtb to a file and quit", &error_abort
);
560 object_class_property_add(oc
, "phandle-start", "int",
561 machine_get_phandle_start
, machine_set_phandle_start
,
562 NULL
, NULL
, &error_abort
);
563 object_class_property_set_description(oc
, "phandle-start",
564 "The first phandle ID we may generate dynamically", &error_abort
);
566 object_class_property_add_str(oc
, "dt-compatible",
567 machine_get_dt_compatible
, machine_set_dt_compatible
, &error_abort
);
568 object_class_property_set_description(oc
, "dt-compatible",
569 "Overrides the \"compatible\" property of the dt root node",
572 object_class_property_add_bool(oc
, "dump-guest-core",
573 machine_get_dump_guest_core
, machine_set_dump_guest_core
, &error_abort
);
574 object_class_property_set_description(oc
, "dump-guest-core",
575 "Include guest memory in a core dump", &error_abort
);
577 object_class_property_add_bool(oc
, "mem-merge",
578 machine_get_mem_merge
, machine_set_mem_merge
, &error_abort
);
579 object_class_property_set_description(oc
, "mem-merge",
580 "Enable/disable memory merge support", &error_abort
);
582 object_class_property_add_bool(oc
, "usb",
583 machine_get_usb
, machine_set_usb
, &error_abort
);
584 object_class_property_set_description(oc
, "usb",
585 "Set on/off to enable/disable usb", &error_abort
);
587 object_class_property_add_bool(oc
, "graphics",
588 machine_get_graphics
, machine_set_graphics
, &error_abort
);
589 object_class_property_set_description(oc
, "graphics",
590 "Set on/off to enable/disable graphics emulation", &error_abort
);
592 object_class_property_add_bool(oc
, "igd-passthru",
593 machine_get_igd_gfx_passthru
, machine_set_igd_gfx_passthru
,
595 object_class_property_set_description(oc
, "igd-passthru",
596 "Set on/off to enable/disable igd passthrou", &error_abort
);
598 object_class_property_add_str(oc
, "firmware",
599 machine_get_firmware
, machine_set_firmware
,
601 object_class_property_set_description(oc
, "firmware",
602 "Firmware image", &error_abort
);
604 object_class_property_add_bool(oc
, "suppress-vmdesc",
605 machine_get_suppress_vmdesc
, machine_set_suppress_vmdesc
,
607 object_class_property_set_description(oc
, "suppress-vmdesc",
608 "Set on to disable self-describing migration", &error_abort
);
610 object_class_property_add_bool(oc
, "enforce-config-section",
611 machine_get_enforce_config_section
, machine_set_enforce_config_section
,
613 object_class_property_set_description(oc
, "enforce-config-section",
614 "Set on to enforce configuration section migration", &error_abort
);
617 static void machine_class_base_init(ObjectClass
*oc
, void *data
)
619 if (!object_class_is_abstract(oc
)) {
620 MachineClass
*mc
= MACHINE_CLASS(oc
);
621 const char *cname
= object_class_get_name(oc
);
622 assert(g_str_has_suffix(cname
, TYPE_MACHINE_SUFFIX
));
623 mc
->name
= g_strndup(cname
,
624 strlen(cname
) - strlen(TYPE_MACHINE_SUFFIX
));
628 static void machine_initfn(Object
*obj
)
630 MachineState
*ms
= MACHINE(obj
);
632 ms
->kernel_irqchip_allowed
= true;
633 ms
->kvm_shadow_mem
= -1;
634 ms
->dump_guest_core
= true;
635 ms
->mem_merge
= true;
636 ms
->enable_graphics
= true;
638 /* Register notifier when init is done for sysbus sanity checks */
639 ms
->sysbus_notifier
.notify
= machine_init_notify
;
640 qemu_add_machine_init_done_notifier(&ms
->sysbus_notifier
);
643 static void machine_finalize(Object
*obj
)
645 MachineState
*ms
= MACHINE(obj
);
648 g_free(ms
->kernel_filename
);
649 g_free(ms
->initrd_filename
);
650 g_free(ms
->kernel_cmdline
);
653 g_free(ms
->dt_compatible
);
654 g_free(ms
->firmware
);
657 bool machine_usb(MachineState
*machine
)
662 bool machine_kernel_irqchip_allowed(MachineState
*machine
)
664 return machine
->kernel_irqchip_allowed
;
667 bool machine_kernel_irqchip_required(MachineState
*machine
)
669 return machine
->kernel_irqchip_required
;
672 bool machine_kernel_irqchip_split(MachineState
*machine
)
674 return machine
->kernel_irqchip_split
;
677 int machine_kvm_shadow_mem(MachineState
*machine
)
679 return machine
->kvm_shadow_mem
;
682 int machine_phandle_start(MachineState
*machine
)
684 return machine
->phandle_start
;
687 bool machine_dump_guest_core(MachineState
*machine
)
689 return machine
->dump_guest_core
;
692 bool machine_mem_merge(MachineState
*machine
)
694 return machine
->mem_merge
;
697 static char *cpu_slot_to_string(const CPUArchId
*cpu
)
699 GString
*s
= g_string_new(NULL
);
700 if (cpu
->props
.has_socket_id
) {
701 g_string_append_printf(s
, "socket-id: %"PRId64
, cpu
->props
.socket_id
);
703 if (cpu
->props
.has_core_id
) {
705 g_string_append_printf(s
, ", ");
707 g_string_append_printf(s
, "core-id: %"PRId64
, cpu
->props
.core_id
);
709 if (cpu
->props
.has_thread_id
) {
711 g_string_append_printf(s
, ", ");
713 g_string_append_printf(s
, "thread-id: %"PRId64
, cpu
->props
.thread_id
);
715 return g_string_free(s
, false);
718 static void machine_numa_finish_init(MachineState
*machine
)
721 bool default_mapping
;
722 GString
*s
= g_string_new(NULL
);
723 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
724 const CPUArchIdList
*possible_cpus
= mc
->possible_cpu_arch_ids(machine
);
726 assert(nb_numa_nodes
);
727 for (i
= 0; i
< possible_cpus
->len
; i
++) {
728 if (possible_cpus
->cpus
[i
].props
.has_node_id
) {
732 default_mapping
= (i
== possible_cpus
->len
);
734 for (i
= 0; i
< possible_cpus
->len
; i
++) {
735 const CPUArchId
*cpu_slot
= &possible_cpus
->cpus
[i
];
737 if (!cpu_slot
->props
.has_node_id
) {
738 /* fetch default mapping from board and enable it */
739 CpuInstanceProperties props
= cpu_slot
->props
;
741 props
.node_id
= mc
->get_default_cpu_node_id(machine
, i
);
742 if (!default_mapping
) {
743 /* record slots with not set mapping,
744 * TODO: make it hard error in future */
745 char *cpu_str
= cpu_slot_to_string(cpu_slot
);
746 g_string_append_printf(s
, "%sCPU %d [%s]",
747 s
->len
? ", " : "", i
, cpu_str
);
750 /* non mapped cpus used to fallback to node 0 */
754 props
.has_node_id
= true;
755 machine_set_cpu_numa_node(machine
, &props
, &error_fatal
);
758 if (s
->len
&& !qtest_enabled()) {
759 warn_report("CPU(s) not present in any NUMA nodes: %s",
761 warn_report("All CPU(s) up to maxcpus should be described "
762 "in NUMA config, ability to start up with partial NUMA "
763 "mappings is obsoleted and will be removed in future");
765 g_string_free(s
, true);
768 void machine_run_board_init(MachineState
*machine
)
770 MachineClass
*machine_class
= MACHINE_GET_CLASS(machine
);
773 machine_numa_finish_init(machine
);
776 /* If the machine supports the valid_cpu_types check and the user
777 * specified a CPU with -cpu check here that the user CPU is supported.
779 if (machine_class
->valid_cpu_types
&& machine
->cpu_type
) {
780 ObjectClass
*class = object_class_by_name(machine
->cpu_type
);
783 for (i
= 0; machine_class
->valid_cpu_types
[i
]; i
++) {
784 if (object_class_dynamic_cast(class,
785 machine_class
->valid_cpu_types
[i
])) {
786 /* The user specificed CPU is in the valid field, we are
793 if (!machine_class
->valid_cpu_types
[i
]) {
794 /* The user specified CPU is not valid */
795 error_report("Invalid CPU type: %s", machine
->cpu_type
);
796 error_printf("The valid types are: %s",
797 machine_class
->valid_cpu_types
[0]);
798 for (i
= 1; machine_class
->valid_cpu_types
[i
]; i
++) {
799 error_printf(", %s", machine_class
->valid_cpu_types
[i
]);
807 machine_class
->init(machine
);
810 static void machine_class_finalize(ObjectClass
*klass
, void *data
)
812 MachineClass
*mc
= MACHINE_CLASS(klass
);
814 if (mc
->compat_props
) {
815 g_array_free(mc
->compat_props
, true);
820 void machine_register_compat_props(MachineState
*machine
)
822 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
826 if (!mc
->compat_props
) {
830 for (i
= 0; i
< mc
->compat_props
->len
; i
++) {
831 p
= g_array_index(mc
->compat_props
, GlobalProperty
*, i
);
832 /* Machine compat_props must never cause errors: */
833 p
->errp
= &error_abort
;
834 qdev_prop_register_global(p
);
838 static const TypeInfo machine_info
= {
839 .name
= TYPE_MACHINE
,
840 .parent
= TYPE_OBJECT
,
842 .class_size
= sizeof(MachineClass
),
843 .class_init
= machine_class_init
,
844 .class_base_init
= machine_class_base_init
,
845 .class_finalize
= machine_class_finalize
,
846 .instance_size
= sizeof(MachineState
),
847 .instance_init
= machine_initfn
,
848 .instance_finalize
= machine_finalize
,
851 static void machine_register_types(void)
853 type_register_static(&machine_info
);
856 type_init(machine_register_types
)