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 "qemu/option.h"
15 #include "qapi/qmp/qerror.h"
16 #include "sysemu/replay.h"
17 #include "qemu/units.h"
18 #include "hw/boards.h"
19 #include "hw/loader.h"
20 #include "qapi/error.h"
21 #include "qapi/qapi-visit-common.h"
22 #include "qapi/qapi-visit-machine.h"
23 #include "qapi/visitor.h"
24 #include "hw/sysbus.h"
25 #include "sysemu/cpus.h"
26 #include "sysemu/sysemu.h"
27 #include "sysemu/reset.h"
28 #include "sysemu/runstate.h"
29 #include "sysemu/numa.h"
30 #include "qemu/error-report.h"
31 #include "sysemu/qtest.h"
32 #include "hw/pci/pci.h"
33 #include "hw/mem/nvdimm.h"
34 #include "migration/global_state.h"
35 #include "migration/vmstate.h"
36 #include "exec/confidential-guest-support.h"
37 #include "hw/virtio/virtio.h"
38 #include "hw/virtio/virtio-pci.h"
40 GlobalProperty hw_compat_6_1
[] = {};
41 const size_t hw_compat_6_1_len
= G_N_ELEMENTS(hw_compat_6_1
);
43 GlobalProperty hw_compat_6_0
[] = {
44 { "gpex-pcihost", "allow-unmapped-accesses", "false" },
45 { "i8042", "extended-state", "false"},
46 { "nvme-ns", "eui64-default", "off"},
47 { "e1000", "init-vet", "off" },
48 { "e1000e", "init-vet", "off" },
50 const size_t hw_compat_6_0_len
= G_N_ELEMENTS(hw_compat_6_0
);
52 GlobalProperty hw_compat_5_2
[] = {
53 { "ICH9-LPC", "smm-compat", "on"},
54 { "PIIX4_PM", "smm-compat", "on"},
55 { "virtio-blk-device", "report-discard-granularity", "off" },
56 { "virtio-net-pci", "vectors", "3"},
58 const size_t hw_compat_5_2_len
= G_N_ELEMENTS(hw_compat_5_2
);
60 GlobalProperty hw_compat_5_1
[] = {
61 { "vhost-scsi", "num_queues", "1"},
62 { "vhost-user-blk", "num-queues", "1"},
63 { "vhost-user-scsi", "num_queues", "1"},
64 { "virtio-blk-device", "num-queues", "1"},
65 { "virtio-scsi-device", "num_queues", "1"},
66 { "nvme", "use-intel-id", "on"},
67 { "pvpanic", "events", "1"}, /* PVPANIC_PANICKED */
68 { "pl011", "migrate-clk", "off" },
69 { "virtio-pci", "x-ats-page-aligned", "off"},
71 const size_t hw_compat_5_1_len
= G_N_ELEMENTS(hw_compat_5_1
);
73 GlobalProperty hw_compat_5_0
[] = {
74 { "pci-host-bridge", "x-config-reg-migration-enabled", "off" },
75 { "virtio-balloon-device", "page-poison", "false" },
76 { "vmport", "x-read-set-eax", "off" },
77 { "vmport", "x-signal-unsupported-cmd", "off" },
78 { "vmport", "x-report-vmx-type", "off" },
79 { "vmport", "x-cmds-v2", "off" },
80 { "virtio-device", "x-disable-legacy-check", "true" },
82 const size_t hw_compat_5_0_len
= G_N_ELEMENTS(hw_compat_5_0
);
84 GlobalProperty hw_compat_4_2
[] = {
85 { "virtio-blk-device", "queue-size", "128"},
86 { "virtio-scsi-device", "virtqueue_size", "128"},
87 { "virtio-blk-device", "x-enable-wce-if-config-wce", "off" },
88 { "virtio-blk-device", "seg-max-adjust", "off"},
89 { "virtio-scsi-device", "seg_max_adjust", "off"},
90 { "vhost-blk-device", "seg_max_adjust", "off"},
91 { "usb-host", "suppress-remote-wake", "off" },
92 { "usb-redir", "suppress-remote-wake", "off" },
93 { "qxl", "revision", "4" },
94 { "qxl-vga", "revision", "4" },
95 { "fw_cfg", "acpi-mr-restore", "false" },
96 { "virtio-device", "use-disabled-flag", "false" },
98 const size_t hw_compat_4_2_len
= G_N_ELEMENTS(hw_compat_4_2
);
100 GlobalProperty hw_compat_4_1
[] = {
101 { "virtio-pci", "x-pcie-flr-init", "off" },
103 const size_t hw_compat_4_1_len
= G_N_ELEMENTS(hw_compat_4_1
);
105 GlobalProperty hw_compat_4_0
[] = {
106 { "VGA", "edid", "false" },
107 { "secondary-vga", "edid", "false" },
108 { "bochs-display", "edid", "false" },
109 { "virtio-vga", "edid", "false" },
110 { "virtio-gpu-device", "edid", "false" },
111 { "virtio-device", "use-started", "false" },
112 { "virtio-balloon-device", "qemu-4-0-config-size", "true" },
113 { "pl031", "migrate-tick-offset", "false" },
115 const size_t hw_compat_4_0_len
= G_N_ELEMENTS(hw_compat_4_0
);
117 GlobalProperty hw_compat_3_1
[] = {
118 { "pcie-root-port", "x-speed", "2_5" },
119 { "pcie-root-port", "x-width", "1" },
120 { "memory-backend-file", "x-use-canonical-path-for-ramblock-id", "true" },
121 { "memory-backend-memfd", "x-use-canonical-path-for-ramblock-id", "true" },
122 { "tpm-crb", "ppi", "false" },
123 { "tpm-tis", "ppi", "false" },
124 { "usb-kbd", "serial", "42" },
125 { "usb-mouse", "serial", "42" },
126 { "usb-tablet", "serial", "42" },
127 { "virtio-blk-device", "discard", "false" },
128 { "virtio-blk-device", "write-zeroes", "false" },
129 { "virtio-balloon-device", "qemu-4-0-config-size", "false" },
130 { "pcie-root-port-base", "disable-acs", "true" }, /* Added in 4.1 */
132 const size_t hw_compat_3_1_len
= G_N_ELEMENTS(hw_compat_3_1
);
134 GlobalProperty hw_compat_3_0
[] = {};
135 const size_t hw_compat_3_0_len
= G_N_ELEMENTS(hw_compat_3_0
);
137 GlobalProperty hw_compat_2_12
[] = {
138 { "migration", "decompress-error-check", "off" },
139 { "hda-audio", "use-timer", "false" },
140 { "cirrus-vga", "global-vmstate", "true" },
141 { "VGA", "global-vmstate", "true" },
142 { "vmware-svga", "global-vmstate", "true" },
143 { "qxl-vga", "global-vmstate", "true" },
145 const size_t hw_compat_2_12_len
= G_N_ELEMENTS(hw_compat_2_12
);
147 GlobalProperty hw_compat_2_11
[] = {
148 { "hpet", "hpet-offset-saved", "false" },
149 { "virtio-blk-pci", "vectors", "2" },
150 { "vhost-user-blk-pci", "vectors", "2" },
151 { "e1000", "migrate_tso_props", "off" },
153 const size_t hw_compat_2_11_len
= G_N_ELEMENTS(hw_compat_2_11
);
155 GlobalProperty hw_compat_2_10
[] = {
156 { "virtio-mouse-device", "wheel-axis", "false" },
157 { "virtio-tablet-device", "wheel-axis", "false" },
159 const size_t hw_compat_2_10_len
= G_N_ELEMENTS(hw_compat_2_10
);
161 GlobalProperty hw_compat_2_9
[] = {
162 { "pci-bridge", "shpc", "off" },
163 { "intel-iommu", "pt", "off" },
164 { "virtio-net-device", "x-mtu-bypass-backend", "off" },
165 { "pcie-root-port", "x-migrate-msix", "false" },
167 const size_t hw_compat_2_9_len
= G_N_ELEMENTS(hw_compat_2_9
);
169 GlobalProperty hw_compat_2_8
[] = {
170 { "fw_cfg_mem", "x-file-slots", "0x10" },
171 { "fw_cfg_io", "x-file-slots", "0x10" },
172 { "pflash_cfi01", "old-multiple-chip-handling", "on" },
173 { "pci-bridge", "shpc", "on" },
174 { TYPE_PCI_DEVICE
, "x-pcie-extcap-init", "off" },
175 { "virtio-pci", "x-pcie-deverr-init", "off" },
176 { "virtio-pci", "x-pcie-lnkctl-init", "off" },
177 { "virtio-pci", "x-pcie-pm-init", "off" },
178 { "cirrus-vga", "vgamem_mb", "8" },
179 { "isa-cirrus-vga", "vgamem_mb", "8" },
181 const size_t hw_compat_2_8_len
= G_N_ELEMENTS(hw_compat_2_8
);
183 GlobalProperty hw_compat_2_7
[] = {
184 { "virtio-pci", "page-per-vq", "on" },
185 { "virtio-serial-device", "emergency-write", "off" },
186 { "ioapic", "version", "0x11" },
187 { "intel-iommu", "x-buggy-eim", "true" },
188 { "virtio-pci", "x-ignore-backend-features", "on" },
190 const size_t hw_compat_2_7_len
= G_N_ELEMENTS(hw_compat_2_7
);
192 GlobalProperty hw_compat_2_6
[] = {
193 { "virtio-mmio", "format_transport_address", "off" },
194 /* Optional because not all virtio-pci devices support legacy mode */
195 { "virtio-pci", "disable-modern", "on", .optional
= true },
196 { "virtio-pci", "disable-legacy", "off", .optional
= true },
198 const size_t hw_compat_2_6_len
= G_N_ELEMENTS(hw_compat_2_6
);
200 GlobalProperty hw_compat_2_5
[] = {
201 { "isa-fdc", "fallback", "144" },
202 { "pvscsi", "x-old-pci-configuration", "on" },
203 { "pvscsi", "x-disable-pcie", "on" },
204 { "vmxnet3", "x-old-msi-offsets", "on" },
205 { "vmxnet3", "x-disable-pcie", "on" },
207 const size_t hw_compat_2_5_len
= G_N_ELEMENTS(hw_compat_2_5
);
209 GlobalProperty hw_compat_2_4
[] = {
210 /* Optional because the 'scsi' property is Linux-only */
211 { "virtio-blk-device", "scsi", "true", .optional
= true },
212 { "e1000", "extra_mac_registers", "off" },
213 { "virtio-pci", "x-disable-pcie", "on" },
214 { "virtio-pci", "migrate-extra", "off" },
215 { "fw_cfg_mem", "dma_enabled", "off" },
216 { "fw_cfg_io", "dma_enabled", "off" }
218 const size_t hw_compat_2_4_len
= G_N_ELEMENTS(hw_compat_2_4
);
220 GlobalProperty hw_compat_2_3
[] = {
221 { "virtio-blk-pci", "any_layout", "off" },
222 { "virtio-balloon-pci", "any_layout", "off" },
223 { "virtio-serial-pci", "any_layout", "off" },
224 { "virtio-9p-pci", "any_layout", "off" },
225 { "virtio-rng-pci", "any_layout", "off" },
226 { TYPE_PCI_DEVICE
, "x-pcie-lnksta-dllla", "off" },
227 { "migration", "send-configuration", "off" },
228 { "migration", "send-section-footer", "off" },
229 { "migration", "store-global-state", "off" },
231 const size_t hw_compat_2_3_len
= G_N_ELEMENTS(hw_compat_2_3
);
233 GlobalProperty hw_compat_2_2
[] = {};
234 const size_t hw_compat_2_2_len
= G_N_ELEMENTS(hw_compat_2_2
);
236 GlobalProperty hw_compat_2_1
[] = {
237 { "intel-hda", "old_msi_addr", "on" },
238 { "VGA", "qemu-extended-regs", "off" },
239 { "secondary-vga", "qemu-extended-regs", "off" },
240 { "virtio-scsi-pci", "any_layout", "off" },
241 { "usb-mouse", "usb_version", "1" },
242 { "usb-kbd", "usb_version", "1" },
243 { "virtio-pci", "virtio-pci-bus-master-bug-migration", "on" },
245 const size_t hw_compat_2_1_len
= G_N_ELEMENTS(hw_compat_2_1
);
247 MachineState
*current_machine
;
249 static char *machine_get_kernel(Object
*obj
, Error
**errp
)
251 MachineState
*ms
= MACHINE(obj
);
253 return g_strdup(ms
->kernel_filename
);
256 static void machine_set_kernel(Object
*obj
, const char *value
, Error
**errp
)
258 MachineState
*ms
= MACHINE(obj
);
260 g_free(ms
->kernel_filename
);
261 ms
->kernel_filename
= g_strdup(value
);
264 static char *machine_get_initrd(Object
*obj
, Error
**errp
)
266 MachineState
*ms
= MACHINE(obj
);
268 return g_strdup(ms
->initrd_filename
);
271 static void machine_set_initrd(Object
*obj
, const char *value
, Error
**errp
)
273 MachineState
*ms
= MACHINE(obj
);
275 g_free(ms
->initrd_filename
);
276 ms
->initrd_filename
= g_strdup(value
);
279 static char *machine_get_append(Object
*obj
, Error
**errp
)
281 MachineState
*ms
= MACHINE(obj
);
283 return g_strdup(ms
->kernel_cmdline
);
286 static void machine_set_append(Object
*obj
, const char *value
, Error
**errp
)
288 MachineState
*ms
= MACHINE(obj
);
290 g_free(ms
->kernel_cmdline
);
291 ms
->kernel_cmdline
= g_strdup(value
);
294 static char *machine_get_dtb(Object
*obj
, Error
**errp
)
296 MachineState
*ms
= MACHINE(obj
);
298 return g_strdup(ms
->dtb
);
301 static void machine_set_dtb(Object
*obj
, const char *value
, Error
**errp
)
303 MachineState
*ms
= MACHINE(obj
);
306 ms
->dtb
= g_strdup(value
);
309 static char *machine_get_dumpdtb(Object
*obj
, Error
**errp
)
311 MachineState
*ms
= MACHINE(obj
);
313 return g_strdup(ms
->dumpdtb
);
316 static void machine_set_dumpdtb(Object
*obj
, const char *value
, Error
**errp
)
318 MachineState
*ms
= MACHINE(obj
);
321 ms
->dumpdtb
= g_strdup(value
);
324 static void machine_get_phandle_start(Object
*obj
, Visitor
*v
,
325 const char *name
, void *opaque
,
328 MachineState
*ms
= MACHINE(obj
);
329 int64_t value
= ms
->phandle_start
;
331 visit_type_int(v
, name
, &value
, errp
);
334 static void machine_set_phandle_start(Object
*obj
, Visitor
*v
,
335 const char *name
, void *opaque
,
338 MachineState
*ms
= MACHINE(obj
);
341 if (!visit_type_int(v
, name
, &value
, errp
)) {
345 ms
->phandle_start
= value
;
348 static char *machine_get_dt_compatible(Object
*obj
, Error
**errp
)
350 MachineState
*ms
= MACHINE(obj
);
352 return g_strdup(ms
->dt_compatible
);
355 static void machine_set_dt_compatible(Object
*obj
, const char *value
, Error
**errp
)
357 MachineState
*ms
= MACHINE(obj
);
359 g_free(ms
->dt_compatible
);
360 ms
->dt_compatible
= g_strdup(value
);
363 static bool machine_get_dump_guest_core(Object
*obj
, Error
**errp
)
365 MachineState
*ms
= MACHINE(obj
);
367 return ms
->dump_guest_core
;
370 static void machine_set_dump_guest_core(Object
*obj
, bool value
, Error
**errp
)
372 MachineState
*ms
= MACHINE(obj
);
374 ms
->dump_guest_core
= value
;
377 static bool machine_get_mem_merge(Object
*obj
, Error
**errp
)
379 MachineState
*ms
= MACHINE(obj
);
381 return ms
->mem_merge
;
384 static void machine_set_mem_merge(Object
*obj
, bool value
, Error
**errp
)
386 MachineState
*ms
= MACHINE(obj
);
388 ms
->mem_merge
= value
;
391 static bool machine_get_usb(Object
*obj
, Error
**errp
)
393 MachineState
*ms
= MACHINE(obj
);
398 static void machine_set_usb(Object
*obj
, bool value
, Error
**errp
)
400 MachineState
*ms
= MACHINE(obj
);
403 ms
->usb_disabled
= !value
;
406 static bool machine_get_graphics(Object
*obj
, Error
**errp
)
408 MachineState
*ms
= MACHINE(obj
);
410 return ms
->enable_graphics
;
413 static void machine_set_graphics(Object
*obj
, bool value
, Error
**errp
)
415 MachineState
*ms
= MACHINE(obj
);
417 ms
->enable_graphics
= value
;
420 static char *machine_get_firmware(Object
*obj
, Error
**errp
)
422 MachineState
*ms
= MACHINE(obj
);
424 return g_strdup(ms
->firmware
);
427 static void machine_set_firmware(Object
*obj
, const char *value
, Error
**errp
)
429 MachineState
*ms
= MACHINE(obj
);
431 g_free(ms
->firmware
);
432 ms
->firmware
= g_strdup(value
);
435 static void machine_set_suppress_vmdesc(Object
*obj
, bool value
, Error
**errp
)
437 MachineState
*ms
= MACHINE(obj
);
439 ms
->suppress_vmdesc
= value
;
442 static bool machine_get_suppress_vmdesc(Object
*obj
, Error
**errp
)
444 MachineState
*ms
= MACHINE(obj
);
446 return ms
->suppress_vmdesc
;
449 static char *machine_get_memory_encryption(Object
*obj
, Error
**errp
)
451 MachineState
*ms
= MACHINE(obj
);
454 return g_strdup(object_get_canonical_path_component(OBJECT(ms
->cgs
)));
460 static void machine_set_memory_encryption(Object
*obj
, const char *value
,
464 object_resolve_path_component(object_get_objects_root(), value
);
467 error_setg(errp
, "No such memory encryption object '%s'", value
);
471 object_property_set_link(obj
, "confidential-guest-support", cgs
, errp
);
474 static void machine_check_confidential_guest_support(const Object
*obj
,
480 * So far the only constraint is that the target has the
481 * TYPE_CONFIDENTIAL_GUEST_SUPPORT interface, and that's checked
486 static bool machine_get_nvdimm(Object
*obj
, Error
**errp
)
488 MachineState
*ms
= MACHINE(obj
);
490 return ms
->nvdimms_state
->is_enabled
;
493 static void machine_set_nvdimm(Object
*obj
, bool value
, Error
**errp
)
495 MachineState
*ms
= MACHINE(obj
);
497 ms
->nvdimms_state
->is_enabled
= value
;
500 static bool machine_get_hmat(Object
*obj
, Error
**errp
)
502 MachineState
*ms
= MACHINE(obj
);
504 return ms
->numa_state
->hmat_enabled
;
507 static void machine_set_hmat(Object
*obj
, bool value
, Error
**errp
)
509 MachineState
*ms
= MACHINE(obj
);
511 ms
->numa_state
->hmat_enabled
= value
;
514 static char *machine_get_nvdimm_persistence(Object
*obj
, Error
**errp
)
516 MachineState
*ms
= MACHINE(obj
);
518 return g_strdup(ms
->nvdimms_state
->persistence_string
);
521 static void machine_set_nvdimm_persistence(Object
*obj
, const char *value
,
524 MachineState
*ms
= MACHINE(obj
);
525 NVDIMMState
*nvdimms_state
= ms
->nvdimms_state
;
527 if (strcmp(value
, "cpu") == 0) {
528 nvdimms_state
->persistence
= 3;
529 } else if (strcmp(value
, "mem-ctrl") == 0) {
530 nvdimms_state
->persistence
= 2;
532 error_setg(errp
, "-machine nvdimm-persistence=%s: unsupported option",
537 g_free(nvdimms_state
->persistence_string
);
538 nvdimms_state
->persistence_string
= g_strdup(value
);
541 void machine_class_allow_dynamic_sysbus_dev(MachineClass
*mc
, const char *type
)
543 QAPI_LIST_PREPEND(mc
->allowed_dynamic_sysbus_devices
, g_strdup(type
));
546 bool device_is_dynamic_sysbus(MachineClass
*mc
, DeviceState
*dev
)
548 bool allowed
= false;
550 Object
*obj
= OBJECT(dev
);
552 if (!object_dynamic_cast(obj
, TYPE_SYS_BUS_DEVICE
)) {
556 for (wl
= mc
->allowed_dynamic_sysbus_devices
;
559 allowed
|= !!object_dynamic_cast(obj
, wl
->value
);
565 static void validate_sysbus_device(SysBusDevice
*sbdev
, void *opaque
)
567 MachineState
*machine
= opaque
;
568 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
570 if (!device_is_dynamic_sysbus(mc
, DEVICE(sbdev
))) {
571 error_report("Option '-device %s' cannot be handled by this machine",
572 object_class_get_name(object_get_class(OBJECT(sbdev
))));
577 static char *machine_get_memdev(Object
*obj
, Error
**errp
)
579 MachineState
*ms
= MACHINE(obj
);
581 return g_strdup(ms
->ram_memdev_id
);
584 static void machine_set_memdev(Object
*obj
, const char *value
, Error
**errp
)
586 MachineState
*ms
= MACHINE(obj
);
588 g_free(ms
->ram_memdev_id
);
589 ms
->ram_memdev_id
= g_strdup(value
);
592 static void machine_init_notify(Notifier
*notifier
, void *data
)
594 MachineState
*machine
= MACHINE(qdev_get_machine());
597 * Loop through all dynamically created sysbus devices and check if they are
598 * all allowed. If a device is not allowed, error out.
600 foreach_dynamic_sysbus_device(validate_sysbus_device
, machine
);
603 HotpluggableCPUList
*machine_query_hotpluggable_cpus(MachineState
*machine
)
606 HotpluggableCPUList
*head
= NULL
;
607 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
609 /* force board to initialize possible_cpus if it hasn't been done yet */
610 mc
->possible_cpu_arch_ids(machine
);
612 for (i
= 0; i
< machine
->possible_cpus
->len
; i
++) {
614 HotpluggableCPU
*cpu_item
= g_new0(typeof(*cpu_item
), 1);
616 cpu_item
->type
= g_strdup(machine
->possible_cpus
->cpus
[i
].type
);
617 cpu_item
->vcpus_count
= machine
->possible_cpus
->cpus
[i
].vcpus_count
;
618 cpu_item
->props
= g_memdup(&machine
->possible_cpus
->cpus
[i
].props
,
619 sizeof(*cpu_item
->props
));
621 cpu
= machine
->possible_cpus
->cpus
[i
].cpu
;
623 cpu_item
->has_qom_path
= true;
624 cpu_item
->qom_path
= object_get_canonical_path(cpu
);
626 QAPI_LIST_PREPEND(head
, cpu_item
);
632 * machine_set_cpu_numa_node:
633 * @machine: machine object to modify
634 * @props: specifies which cpu objects to assign to
635 * numa node specified by @props.node_id
636 * @errp: if an error occurs, a pointer to an area to store the error
638 * Associate NUMA node specified by @props.node_id with cpu slots that
639 * match socket/core/thread-ids specified by @props. It's recommended to use
640 * query-hotpluggable-cpus.props values to specify affected cpu slots,
641 * which would lead to exact 1:1 mapping of cpu slots to NUMA node.
643 * However for CLI convenience it's possible to pass in subset of properties,
644 * which would affect all cpu slots that match it.
646 * -smp 4,cores=2,sockets=2 -numa node,nodeid=0 -numa node,nodeid=1 \
647 * -numa cpu,node-id=0,socket_id=0 \
648 * -numa cpu,node-id=1,socket_id=1
649 * will assign all child cores of socket 0 to node 0 and
650 * of socket 1 to node 1.
652 * On attempt of reassigning (already assigned) cpu slot to another NUMA node,
654 * Empty subset is disallowed and function will return with error in this case.
656 void machine_set_cpu_numa_node(MachineState
*machine
,
657 const CpuInstanceProperties
*props
, Error
**errp
)
659 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
660 NodeInfo
*numa_info
= machine
->numa_state
->nodes
;
664 if (!mc
->possible_cpu_arch_ids
) {
665 error_setg(errp
, "mapping of CPUs to NUMA node is not supported");
669 /* disabling node mapping is not supported, forbid it */
670 assert(props
->has_node_id
);
672 /* force board to initialize possible_cpus if it hasn't been done yet */
673 mc
->possible_cpu_arch_ids(machine
);
675 for (i
= 0; i
< machine
->possible_cpus
->len
; i
++) {
676 CPUArchId
*slot
= &machine
->possible_cpus
->cpus
[i
];
678 /* reject unsupported by board properties */
679 if (props
->has_thread_id
&& !slot
->props
.has_thread_id
) {
680 error_setg(errp
, "thread-id is not supported");
684 if (props
->has_core_id
&& !slot
->props
.has_core_id
) {
685 error_setg(errp
, "core-id is not supported");
689 if (props
->has_socket_id
&& !slot
->props
.has_socket_id
) {
690 error_setg(errp
, "socket-id is not supported");
694 if (props
->has_die_id
&& !slot
->props
.has_die_id
) {
695 error_setg(errp
, "die-id is not supported");
699 /* skip slots with explicit mismatch */
700 if (props
->has_thread_id
&& props
->thread_id
!= slot
->props
.thread_id
) {
704 if (props
->has_core_id
&& props
->core_id
!= slot
->props
.core_id
) {
708 if (props
->has_die_id
&& props
->die_id
!= slot
->props
.die_id
) {
712 if (props
->has_socket_id
&& props
->socket_id
!= slot
->props
.socket_id
) {
716 /* reject assignment if slot is already assigned, for compatibility
717 * of legacy cpu_index mapping with SPAPR core based mapping do not
718 * error out if cpu thread and matched core have the same node-id */
719 if (slot
->props
.has_node_id
&&
720 slot
->props
.node_id
!= props
->node_id
) {
721 error_setg(errp
, "CPU is already assigned to node-id: %" PRId64
,
722 slot
->props
.node_id
);
726 /* assign slot to node as it's matched '-numa cpu' key */
728 slot
->props
.node_id
= props
->node_id
;
729 slot
->props
.has_node_id
= props
->has_node_id
;
731 if (machine
->numa_state
->hmat_enabled
) {
732 if ((numa_info
[props
->node_id
].initiator
< MAX_NODES
) &&
733 (props
->node_id
!= numa_info
[props
->node_id
].initiator
)) {
734 error_setg(errp
, "The initiator of CPU NUMA node %" PRId64
735 " should be itself (got %" PRIu16
")",
736 props
->node_id
, numa_info
[props
->node_id
].initiator
);
739 numa_info
[props
->node_id
].has_cpu
= true;
740 numa_info
[props
->node_id
].initiator
= props
->node_id
;
745 error_setg(errp
, "no match found");
749 static void smp_parse(MachineState
*ms
, SMPConfiguration
*config
, Error
**errp
)
751 MachineClass
*mc
= MACHINE_GET_CLASS(ms
);
752 unsigned cpus
= config
->has_cpus
? config
->cpus
: 0;
753 unsigned sockets
= config
->has_sockets
? config
->sockets
: 0;
754 unsigned cores
= config
->has_cores
? config
->cores
: 0;
755 unsigned threads
= config
->has_threads
? config
->threads
: 0;
756 unsigned maxcpus
= config
->has_maxcpus
? config
->maxcpus
: 0;
758 if (config
->has_dies
&& config
->dies
> 1) {
759 error_setg(errp
, "dies not supported by this machine's CPU topology");
763 /* compute missing values based on the provided ones */
764 if (cpus
== 0 && maxcpus
== 0) {
765 sockets
= sockets
> 0 ? sockets
: 1;
766 cores
= cores
> 0 ? cores
: 1;
767 threads
= threads
> 0 ? threads
: 1;
769 maxcpus
= maxcpus
> 0 ? maxcpus
: cpus
;
771 if (mc
->smp_prefer_sockets
) {
772 /* prefer sockets over cores before 6.2 */
774 cores
= cores
> 0 ? cores
: 1;
775 threads
= threads
> 0 ? threads
: 1;
776 sockets
= maxcpus
/ (cores
* threads
);
777 } else if (cores
== 0) {
778 threads
= threads
> 0 ? threads
: 1;
779 cores
= maxcpus
/ (sockets
* threads
);
782 /* prefer cores over sockets since 6.2 */
784 sockets
= sockets
> 0 ? sockets
: 1;
785 threads
= threads
> 0 ? threads
: 1;
786 cores
= maxcpus
/ (sockets
* threads
);
787 } else if (sockets
== 0) {
788 threads
= threads
> 0 ? threads
: 1;
789 sockets
= maxcpus
/ (cores
* threads
);
793 /* try to calculate omitted threads at last */
795 threads
= maxcpus
/ (sockets
* cores
);
799 maxcpus
= maxcpus
> 0 ? maxcpus
: sockets
* cores
* threads
;
800 cpus
= cpus
> 0 ? cpus
: maxcpus
;
802 if (sockets
* cores
* threads
!= maxcpus
) {
803 error_setg(errp
, "Invalid CPU topology: "
804 "product of the hierarchy must match maxcpus: "
805 "sockets (%u) * cores (%u) * threads (%u) "
807 sockets
, cores
, threads
, maxcpus
);
811 if (maxcpus
< cpus
) {
812 error_setg(errp
, "Invalid CPU topology: "
813 "maxcpus must be equal to or greater than smp: "
814 "sockets (%u) * cores (%u) * threads (%u) "
815 "== maxcpus (%u) < smp_cpus (%u)",
816 sockets
, cores
, threads
, maxcpus
, cpus
);
821 ms
->smp
.sockets
= sockets
;
822 ms
->smp
.cores
= cores
;
823 ms
->smp
.threads
= threads
;
824 ms
->smp
.max_cpus
= maxcpus
;
827 static void machine_get_smp(Object
*obj
, Visitor
*v
, const char *name
,
828 void *opaque
, Error
**errp
)
830 MachineState
*ms
= MACHINE(obj
);
831 SMPConfiguration
*config
= &(SMPConfiguration
){
832 .has_cpus
= true, .cpus
= ms
->smp
.cpus
,
833 .has_sockets
= true, .sockets
= ms
->smp
.sockets
,
834 .has_dies
= true, .dies
= ms
->smp
.dies
,
835 .has_cores
= true, .cores
= ms
->smp
.cores
,
836 .has_threads
= true, .threads
= ms
->smp
.threads
,
837 .has_maxcpus
= true, .maxcpus
= ms
->smp
.max_cpus
,
839 if (!visit_type_SMPConfiguration(v
, name
, &config
, &error_abort
)) {
844 static void machine_set_smp(Object
*obj
, Visitor
*v
, const char *name
,
845 void *opaque
, Error
**errp
)
847 MachineClass
*mc
= MACHINE_GET_CLASS(obj
);
848 MachineState
*ms
= MACHINE(obj
);
849 SMPConfiguration
*config
;
852 if (!visit_type_SMPConfiguration(v
, name
, &config
, errp
)) {
857 * Specified CPU topology parameters must be greater than zero,
858 * explicit configuration like "cpus=0" is not allowed.
860 if ((config
->has_cpus
&& config
->cpus
== 0) ||
861 (config
->has_sockets
&& config
->sockets
== 0) ||
862 (config
->has_dies
&& config
->dies
== 0) ||
863 (config
->has_cores
&& config
->cores
== 0) ||
864 (config
->has_threads
&& config
->threads
== 0) ||
865 (config
->has_maxcpus
&& config
->maxcpus
== 0)) {
866 warn_report("Deprecated CPU topology (considered invalid): "
867 "CPU topology parameters must be greater than zero");
870 mc
->smp_parse(ms
, config
, errp
);
875 /* sanity-check smp_cpus and max_cpus against mc */
876 if (ms
->smp
.cpus
< mc
->min_cpus
) {
877 error_setg(errp
, "Invalid SMP CPUs %d. The min CPUs "
878 "supported by machine '%s' is %d",
880 mc
->name
, mc
->min_cpus
);
881 } else if (ms
->smp
.max_cpus
> mc
->max_cpus
) {
882 error_setg(errp
, "Invalid SMP CPUs %d. The max CPUs "
883 "supported by machine '%s' is %d",
885 mc
->name
, mc
->max_cpus
);
889 qapi_free_SMPConfiguration(config
);
892 static void machine_class_init(ObjectClass
*oc
, void *data
)
894 MachineClass
*mc
= MACHINE_CLASS(oc
);
896 /* Default 128 MB as guest ram size */
897 mc
->default_ram_size
= 128 * MiB
;
898 mc
->rom_file_has_mr
= true;
899 mc
->smp_parse
= smp_parse
;
901 /* numa node memory size aligned on 8MB by default.
902 * On Linux, each node's border has to be 8MB aligned
904 mc
->numa_mem_align_shift
= 23;
906 object_class_property_add_str(oc
, "kernel",
907 machine_get_kernel
, machine_set_kernel
);
908 object_class_property_set_description(oc
, "kernel",
909 "Linux kernel image file");
911 object_class_property_add_str(oc
, "initrd",
912 machine_get_initrd
, machine_set_initrd
);
913 object_class_property_set_description(oc
, "initrd",
914 "Linux initial ramdisk file");
916 object_class_property_add_str(oc
, "append",
917 machine_get_append
, machine_set_append
);
918 object_class_property_set_description(oc
, "append",
919 "Linux kernel command line");
921 object_class_property_add_str(oc
, "dtb",
922 machine_get_dtb
, machine_set_dtb
);
923 object_class_property_set_description(oc
, "dtb",
924 "Linux kernel device tree file");
926 object_class_property_add_str(oc
, "dumpdtb",
927 machine_get_dumpdtb
, machine_set_dumpdtb
);
928 object_class_property_set_description(oc
, "dumpdtb",
929 "Dump current dtb to a file and quit");
931 object_class_property_add(oc
, "smp", "SMPConfiguration",
932 machine_get_smp
, machine_set_smp
,
934 object_class_property_set_description(oc
, "smp",
937 object_class_property_add(oc
, "phandle-start", "int",
938 machine_get_phandle_start
, machine_set_phandle_start
,
940 object_class_property_set_description(oc
, "phandle-start",
941 "The first phandle ID we may generate dynamically");
943 object_class_property_add_str(oc
, "dt-compatible",
944 machine_get_dt_compatible
, machine_set_dt_compatible
);
945 object_class_property_set_description(oc
, "dt-compatible",
946 "Overrides the \"compatible\" property of the dt root node");
948 object_class_property_add_bool(oc
, "dump-guest-core",
949 machine_get_dump_guest_core
, machine_set_dump_guest_core
);
950 object_class_property_set_description(oc
, "dump-guest-core",
951 "Include guest memory in a core dump");
953 object_class_property_add_bool(oc
, "mem-merge",
954 machine_get_mem_merge
, machine_set_mem_merge
);
955 object_class_property_set_description(oc
, "mem-merge",
956 "Enable/disable memory merge support");
958 object_class_property_add_bool(oc
, "usb",
959 machine_get_usb
, machine_set_usb
);
960 object_class_property_set_description(oc
, "usb",
961 "Set on/off to enable/disable usb");
963 object_class_property_add_bool(oc
, "graphics",
964 machine_get_graphics
, machine_set_graphics
);
965 object_class_property_set_description(oc
, "graphics",
966 "Set on/off to enable/disable graphics emulation");
968 object_class_property_add_str(oc
, "firmware",
969 machine_get_firmware
, machine_set_firmware
);
970 object_class_property_set_description(oc
, "firmware",
973 object_class_property_add_bool(oc
, "suppress-vmdesc",
974 machine_get_suppress_vmdesc
, machine_set_suppress_vmdesc
);
975 object_class_property_set_description(oc
, "suppress-vmdesc",
976 "Set on to disable self-describing migration");
978 object_class_property_add_link(oc
, "confidential-guest-support",
979 TYPE_CONFIDENTIAL_GUEST_SUPPORT
,
980 offsetof(MachineState
, cgs
),
981 machine_check_confidential_guest_support
,
982 OBJ_PROP_LINK_STRONG
);
983 object_class_property_set_description(oc
, "confidential-guest-support",
984 "Set confidential guest scheme to support");
986 /* For compatibility */
987 object_class_property_add_str(oc
, "memory-encryption",
988 machine_get_memory_encryption
, machine_set_memory_encryption
);
989 object_class_property_set_description(oc
, "memory-encryption",
990 "Set memory encryption object to use");
992 object_class_property_add_str(oc
, "memory-backend",
993 machine_get_memdev
, machine_set_memdev
);
994 object_class_property_set_description(oc
, "memory-backend",
996 "Valid value is ID of hostmem based backend");
999 static void machine_class_base_init(ObjectClass
*oc
, void *data
)
1001 MachineClass
*mc
= MACHINE_CLASS(oc
);
1002 mc
->max_cpus
= mc
->max_cpus
?: 1;
1003 mc
->min_cpus
= mc
->min_cpus
?: 1;
1004 mc
->default_cpus
= mc
->default_cpus
?: 1;
1006 if (!object_class_is_abstract(oc
)) {
1007 const char *cname
= object_class_get_name(oc
);
1008 assert(g_str_has_suffix(cname
, TYPE_MACHINE_SUFFIX
));
1009 mc
->name
= g_strndup(cname
,
1010 strlen(cname
) - strlen(TYPE_MACHINE_SUFFIX
));
1011 mc
->compat_props
= g_ptr_array_new();
1015 static void machine_initfn(Object
*obj
)
1017 MachineState
*ms
= MACHINE(obj
);
1018 MachineClass
*mc
= MACHINE_GET_CLASS(obj
);
1020 container_get(obj
, "/peripheral");
1021 container_get(obj
, "/peripheral-anon");
1023 ms
->dump_guest_core
= true;
1024 ms
->mem_merge
= true;
1025 ms
->enable_graphics
= true;
1026 ms
->kernel_cmdline
= g_strdup("");
1028 if (mc
->nvdimm_supported
) {
1029 Object
*obj
= OBJECT(ms
);
1031 ms
->nvdimms_state
= g_new0(NVDIMMState
, 1);
1032 object_property_add_bool(obj
, "nvdimm",
1033 machine_get_nvdimm
, machine_set_nvdimm
);
1034 object_property_set_description(obj
, "nvdimm",
1035 "Set on/off to enable/disable "
1036 "NVDIMM instantiation");
1038 object_property_add_str(obj
, "nvdimm-persistence",
1039 machine_get_nvdimm_persistence
,
1040 machine_set_nvdimm_persistence
);
1041 object_property_set_description(obj
, "nvdimm-persistence",
1042 "Set NVDIMM persistence"
1043 "Valid values are cpu, mem-ctrl");
1046 if (mc
->cpu_index_to_instance_props
&& mc
->get_default_cpu_node_id
) {
1047 ms
->numa_state
= g_new0(NumaState
, 1);
1048 object_property_add_bool(obj
, "hmat",
1049 machine_get_hmat
, machine_set_hmat
);
1050 object_property_set_description(obj
, "hmat",
1051 "Set on/off to enable/disable "
1052 "ACPI Heterogeneous Memory Attribute "
1056 /* Register notifier when init is done for sysbus sanity checks */
1057 ms
->sysbus_notifier
.notify
= machine_init_notify
;
1058 qemu_add_machine_init_done_notifier(&ms
->sysbus_notifier
);
1060 /* default to mc->default_cpus */
1061 ms
->smp
.cpus
= mc
->default_cpus
;
1062 ms
->smp
.max_cpus
= mc
->default_cpus
;
1063 ms
->smp
.sockets
= 1;
1066 ms
->smp
.threads
= 1;
1069 static void machine_finalize(Object
*obj
)
1071 MachineState
*ms
= MACHINE(obj
);
1073 g_free(ms
->kernel_filename
);
1074 g_free(ms
->initrd_filename
);
1075 g_free(ms
->kernel_cmdline
);
1077 g_free(ms
->dumpdtb
);
1078 g_free(ms
->dt_compatible
);
1079 g_free(ms
->firmware
);
1080 g_free(ms
->device_memory
);
1081 g_free(ms
->nvdimms_state
);
1082 g_free(ms
->numa_state
);
1085 bool machine_usb(MachineState
*machine
)
1087 return machine
->usb
;
1090 int machine_phandle_start(MachineState
*machine
)
1092 return machine
->phandle_start
;
1095 bool machine_dump_guest_core(MachineState
*machine
)
1097 return machine
->dump_guest_core
;
1100 bool machine_mem_merge(MachineState
*machine
)
1102 return machine
->mem_merge
;
1105 static char *cpu_slot_to_string(const CPUArchId
*cpu
)
1107 GString
*s
= g_string_new(NULL
);
1108 if (cpu
->props
.has_socket_id
) {
1109 g_string_append_printf(s
, "socket-id: %"PRId64
, cpu
->props
.socket_id
);
1111 if (cpu
->props
.has_die_id
) {
1112 g_string_append_printf(s
, "die-id: %"PRId64
, cpu
->props
.die_id
);
1114 if (cpu
->props
.has_core_id
) {
1116 g_string_append_printf(s
, ", ");
1118 g_string_append_printf(s
, "core-id: %"PRId64
, cpu
->props
.core_id
);
1120 if (cpu
->props
.has_thread_id
) {
1122 g_string_append_printf(s
, ", ");
1124 g_string_append_printf(s
, "thread-id: %"PRId64
, cpu
->props
.thread_id
);
1126 return g_string_free(s
, false);
1129 static void numa_validate_initiator(NumaState
*numa_state
)
1132 NodeInfo
*numa_info
= numa_state
->nodes
;
1134 for (i
= 0; i
< numa_state
->num_nodes
; i
++) {
1135 if (numa_info
[i
].initiator
== MAX_NODES
) {
1136 error_report("The initiator of NUMA node %d is missing, use "
1137 "'-numa node,initiator' option to declare it", i
);
1141 if (!numa_info
[numa_info
[i
].initiator
].present
) {
1142 error_report("NUMA node %" PRIu16
" is missing, use "
1143 "'-numa node' option to declare it first",
1144 numa_info
[i
].initiator
);
1148 if (!numa_info
[numa_info
[i
].initiator
].has_cpu
) {
1149 error_report("The initiator of NUMA node %d is invalid", i
);
1155 static void machine_numa_finish_cpu_init(MachineState
*machine
)
1158 bool default_mapping
;
1159 GString
*s
= g_string_new(NULL
);
1160 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
1161 const CPUArchIdList
*possible_cpus
= mc
->possible_cpu_arch_ids(machine
);
1163 assert(machine
->numa_state
->num_nodes
);
1164 for (i
= 0; i
< possible_cpus
->len
; i
++) {
1165 if (possible_cpus
->cpus
[i
].props
.has_node_id
) {
1169 default_mapping
= (i
== possible_cpus
->len
);
1171 for (i
= 0; i
< possible_cpus
->len
; i
++) {
1172 const CPUArchId
*cpu_slot
= &possible_cpus
->cpus
[i
];
1174 if (!cpu_slot
->props
.has_node_id
) {
1175 /* fetch default mapping from board and enable it */
1176 CpuInstanceProperties props
= cpu_slot
->props
;
1178 props
.node_id
= mc
->get_default_cpu_node_id(machine
, i
);
1179 if (!default_mapping
) {
1180 /* record slots with not set mapping,
1181 * TODO: make it hard error in future */
1182 char *cpu_str
= cpu_slot_to_string(cpu_slot
);
1183 g_string_append_printf(s
, "%sCPU %d [%s]",
1184 s
->len
? ", " : "", i
, cpu_str
);
1187 /* non mapped cpus used to fallback to node 0 */
1191 props
.has_node_id
= true;
1192 machine_set_cpu_numa_node(machine
, &props
, &error_fatal
);
1196 if (machine
->numa_state
->hmat_enabled
) {
1197 numa_validate_initiator(machine
->numa_state
);
1200 if (s
->len
&& !qtest_enabled()) {
1201 warn_report("CPU(s) not present in any NUMA nodes: %s",
1203 warn_report("All CPU(s) up to maxcpus should be described "
1204 "in NUMA config, ability to start up with partial NUMA "
1205 "mappings is obsoleted and will be removed in future");
1207 g_string_free(s
, true);
1210 MemoryRegion
*machine_consume_memdev(MachineState
*machine
,
1211 HostMemoryBackend
*backend
)
1213 MemoryRegion
*ret
= host_memory_backend_get_memory(backend
);
1215 if (memory_region_is_mapped(ret
)) {
1216 error_report("memory backend %s can't be used multiple times.",
1217 object_get_canonical_path_component(OBJECT(backend
)));
1220 host_memory_backend_set_mapped(backend
, true);
1221 vmstate_register_ram_global(ret
);
1225 void machine_run_board_init(MachineState
*machine
)
1227 MachineClass
*machine_class
= MACHINE_GET_CLASS(machine
);
1228 ObjectClass
*oc
= object_class_by_name(machine
->cpu_type
);
1231 /* This checkpoint is required by replay to separate prior clock
1232 reading from the other reads, because timer polling functions query
1233 clock values from the log. */
1234 replay_checkpoint(CHECKPOINT_INIT
);
1236 if (machine
->ram_memdev_id
) {
1238 o
= object_resolve_path_type(machine
->ram_memdev_id
,
1239 TYPE_MEMORY_BACKEND
, NULL
);
1240 machine
->ram
= machine_consume_memdev(machine
, MEMORY_BACKEND(o
));
1243 if (machine
->numa_state
) {
1244 numa_complete_configuration(machine
);
1245 if (machine
->numa_state
->num_nodes
) {
1246 machine_numa_finish_cpu_init(machine
);
1250 /* If the machine supports the valid_cpu_types check and the user
1251 * specified a CPU with -cpu check here that the user CPU is supported.
1253 if (machine_class
->valid_cpu_types
&& machine
->cpu_type
) {
1256 for (i
= 0; machine_class
->valid_cpu_types
[i
]; i
++) {
1257 if (object_class_dynamic_cast(oc
,
1258 machine_class
->valid_cpu_types
[i
])) {
1259 /* The user specificed CPU is in the valid field, we are
1266 if (!machine_class
->valid_cpu_types
[i
]) {
1267 /* The user specified CPU is not valid */
1268 error_report("Invalid CPU type: %s", machine
->cpu_type
);
1269 error_printf("The valid types are: %s",
1270 machine_class
->valid_cpu_types
[0]);
1271 for (i
= 1; machine_class
->valid_cpu_types
[i
]; i
++) {
1272 error_printf(", %s", machine_class
->valid_cpu_types
[i
]);
1280 /* Check if CPU type is deprecated and warn if so */
1282 if (cc
&& cc
->deprecation_note
) {
1283 warn_report("CPU model %s is deprecated -- %s", machine
->cpu_type
,
1284 cc
->deprecation_note
);
1289 * With confidential guests, the host can't see the real
1290 * contents of RAM, so there's no point in it trying to merge
1293 machine_set_mem_merge(OBJECT(machine
), false, &error_abort
);
1296 * Virtio devices can't count on directly accessing guest
1297 * memory, so they need iommu_platform=on to use normal DMA
1298 * mechanisms. That requires also disabling legacy virtio
1299 * support for those virtio pci devices which allow it.
1301 object_register_sugar_prop(TYPE_VIRTIO_PCI
, "disable-legacy",
1303 object_register_sugar_prop(TYPE_VIRTIO_DEVICE
, "iommu_platform",
1307 accel_init_interfaces(ACCEL_GET_CLASS(machine
->accelerator
));
1308 machine_class
->init(machine
);
1309 phase_advance(PHASE_MACHINE_INITIALIZED
);
1312 static NotifierList machine_init_done_notifiers
=
1313 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
1315 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
1317 notifier_list_add(&machine_init_done_notifiers
, notify
);
1318 if (phase_check(PHASE_MACHINE_READY
)) {
1319 notify
->notify(notify
, NULL
);
1323 void qemu_remove_machine_init_done_notifier(Notifier
*notify
)
1325 notifier_remove(notify
);
1328 void qdev_machine_creation_done(void)
1330 cpu_synchronize_all_post_init();
1332 if (current_machine
->boot_once
) {
1333 qemu_boot_set(current_machine
->boot_once
, &error_fatal
);
1334 qemu_register_reset(restore_boot_order
, g_strdup(current_machine
->boot_order
));
1338 * ok, initial machine setup is done, starting from now we can
1339 * only create hotpluggable devices
1341 phase_advance(PHASE_MACHINE_READY
);
1342 qdev_assert_realized_properly();
1344 /* TODO: once all bus devices are qdevified, this should be done
1345 * when bus is created by qdev.c */
1347 * TODO: If we had a main 'reset container' that the whole system
1348 * lived in, we could reset that using the multi-phase reset
1349 * APIs. For the moment, we just reset the sysbus, which will cause
1350 * all devices hanging off it (and all their child buses, recursively)
1351 * to be reset. Note that this will *not* reset any Device objects
1352 * which are not attached to some part of the qbus tree!
1354 qemu_register_reset(resettable_cold_reset_fn
, sysbus_get_default());
1356 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
1358 if (rom_check_and_register_reset() != 0) {
1364 /* This checkpoint is required by replay to separate prior clock
1365 reading from the other reads, because timer polling functions query
1366 clock values from the log. */
1367 replay_checkpoint(CHECKPOINT_RESET
);
1368 qemu_system_reset(SHUTDOWN_CAUSE_NONE
);
1369 register_global_state();
1372 static const TypeInfo machine_info
= {
1373 .name
= TYPE_MACHINE
,
1374 .parent
= TYPE_OBJECT
,
1376 .class_size
= sizeof(MachineClass
),
1377 .class_init
= machine_class_init
,
1378 .class_base_init
= machine_class_base_init
,
1379 .instance_size
= sizeof(MachineState
),
1380 .instance_init
= machine_initfn
,
1381 .instance_finalize
= machine_finalize
,
1384 static void machine_register_types(void)
1386 type_register_static(&machine_info
);
1389 type_init(machine_register_types
)