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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 "qapi/error.h"
20#include "qapi/qapi-visit-common.h"
21#include "qapi/visitor.h"
22#include "hw/sysbus.h"
23#include "sysemu/sysemu.h"
24#include "sysemu/numa.h"
25#include "qemu/error-report.h"
26#include "sysemu/qtest.h"
27#include "hw/pci/pci.h"
28#include "hw/mem/nvdimm.h"
29#include "migration/vmstate.h"
30
31GlobalProperty hw_compat_4_2[] = {
32 { "virtio-blk-device", "queue-size", "128"},
33 { "virtio-scsi-device", "virtqueue_size", "128"},
34 { "virtio-blk-device", "x-enable-wce-if-config-wce", "off" },
35 { "virtio-blk-device", "seg-max-adjust", "off"},
36 { "virtio-scsi-device", "seg_max_adjust", "off"},
37 { "vhost-blk-device", "seg_max_adjust", "off"},
38 { "usb-host", "suppress-remote-wake", "off" },
39 { "usb-redir", "suppress-remote-wake", "off" },
40 { "qxl", "revision", "4" },
41 { "qxl-vga", "revision", "4" },
42 { "fw_cfg", "acpi-mr-restore", "false" },
43};
44const size_t hw_compat_4_2_len = G_N_ELEMENTS(hw_compat_4_2);
45
46GlobalProperty hw_compat_4_1[] = {
47 { "virtio-pci", "x-pcie-flr-init", "off" },
48 { "virtio-device", "use-disabled-flag", "false" },
49};
50const size_t hw_compat_4_1_len = G_N_ELEMENTS(hw_compat_4_1);
51
52GlobalProperty hw_compat_4_0[] = {
53 { "VGA", "edid", "false" },
54 { "secondary-vga", "edid", "false" },
55 { "bochs-display", "edid", "false" },
56 { "virtio-vga", "edid", "false" },
57 { "virtio-gpu-device", "edid", "false" },
58 { "virtio-device", "use-started", "false" },
59 { "virtio-balloon-device", "qemu-4-0-config-size", "true" },
60 { "pl031", "migrate-tick-offset", "false" },
61};
62const size_t hw_compat_4_0_len = G_N_ELEMENTS(hw_compat_4_0);
63
64GlobalProperty hw_compat_3_1[] = {
65 { "pcie-root-port", "x-speed", "2_5" },
66 { "pcie-root-port", "x-width", "1" },
67 { "memory-backend-file", "x-use-canonical-path-for-ramblock-id", "true" },
68 { "memory-backend-memfd", "x-use-canonical-path-for-ramblock-id", "true" },
69 { "tpm-crb", "ppi", "false" },
70 { "tpm-tis", "ppi", "false" },
71 { "usb-kbd", "serial", "42" },
72 { "usb-mouse", "serial", "42" },
73 { "usb-tablet", "serial", "42" },
74 { "virtio-blk-device", "discard", "false" },
75 { "virtio-blk-device", "write-zeroes", "false" },
76 { "virtio-balloon-device", "qemu-4-0-config-size", "false" },
77 { "pcie-root-port-base", "disable-acs", "true" },
78};
79const size_t hw_compat_3_1_len = G_N_ELEMENTS(hw_compat_3_1);
80
81GlobalProperty hw_compat_3_0[] = {};
82const size_t hw_compat_3_0_len = G_N_ELEMENTS(hw_compat_3_0);
83
84GlobalProperty hw_compat_2_12[] = {
85 { "migration", "decompress-error-check", "off" },
86 { "hda-audio", "use-timer", "false" },
87 { "cirrus-vga", "global-vmstate", "true" },
88 { "VGA", "global-vmstate", "true" },
89 { "vmware-svga", "global-vmstate", "true" },
90 { "qxl-vga", "global-vmstate", "true" },
91};
92const size_t hw_compat_2_12_len = G_N_ELEMENTS(hw_compat_2_12);
93
94GlobalProperty hw_compat_2_11[] = {
95 { "hpet", "hpet-offset-saved", "false" },
96 { "virtio-blk-pci", "vectors", "2" },
97 { "vhost-user-blk-pci", "vectors", "2" },
98 { "e1000", "migrate_tso_props", "off" },
99};
100const size_t hw_compat_2_11_len = G_N_ELEMENTS(hw_compat_2_11);
101
102GlobalProperty hw_compat_2_10[] = {
103 { "virtio-mouse-device", "wheel-axis", "false" },
104 { "virtio-tablet-device", "wheel-axis", "false" },
105};
106const size_t hw_compat_2_10_len = G_N_ELEMENTS(hw_compat_2_10);
107
108GlobalProperty hw_compat_2_9[] = {
109 { "pci-bridge", "shpc", "off" },
110 { "intel-iommu", "pt", "off" },
111 { "virtio-net-device", "x-mtu-bypass-backend", "off" },
112 { "pcie-root-port", "x-migrate-msix", "false" },
113};
114const size_t hw_compat_2_9_len = G_N_ELEMENTS(hw_compat_2_9);
115
116GlobalProperty hw_compat_2_8[] = {
117 { "fw_cfg_mem", "x-file-slots", "0x10" },
118 { "fw_cfg_io", "x-file-slots", "0x10" },
119 { "pflash_cfi01", "old-multiple-chip-handling", "on" },
120 { "pci-bridge", "shpc", "on" },
121 { TYPE_PCI_DEVICE, "x-pcie-extcap-init", "off" },
122 { "virtio-pci", "x-pcie-deverr-init", "off" },
123 { "virtio-pci", "x-pcie-lnkctl-init", "off" },
124 { "virtio-pci", "x-pcie-pm-init", "off" },
125 { "cirrus-vga", "vgamem_mb", "8" },
126 { "isa-cirrus-vga", "vgamem_mb", "8" },
127};
128const size_t hw_compat_2_8_len = G_N_ELEMENTS(hw_compat_2_8);
129
130GlobalProperty hw_compat_2_7[] = {
131 { "virtio-pci", "page-per-vq", "on" },
132 { "virtio-serial-device", "emergency-write", "off" },
133 { "ioapic", "version", "0x11" },
134 { "intel-iommu", "x-buggy-eim", "true" },
135 { "virtio-pci", "x-ignore-backend-features", "on" },
136};
137const size_t hw_compat_2_7_len = G_N_ELEMENTS(hw_compat_2_7);
138
139GlobalProperty hw_compat_2_6[] = {
140 { "virtio-mmio", "format_transport_address", "off" },
141
142 { "virtio-pci", "disable-modern", "on", .optional = true },
143 { "virtio-pci", "disable-legacy", "off", .optional = true },
144};
145const size_t hw_compat_2_6_len = G_N_ELEMENTS(hw_compat_2_6);
146
147GlobalProperty hw_compat_2_5[] = {
148 { "isa-fdc", "fallback", "144" },
149 { "pvscsi", "x-old-pci-configuration", "on" },
150 { "pvscsi", "x-disable-pcie", "on" },
151 { "vmxnet3", "x-old-msi-offsets", "on" },
152 { "vmxnet3", "x-disable-pcie", "on" },
153};
154const size_t hw_compat_2_5_len = G_N_ELEMENTS(hw_compat_2_5);
155
156GlobalProperty hw_compat_2_4[] = {
157
158 { "virtio-blk-device", "scsi", "true", .optional = true },
159 { "e1000", "extra_mac_registers", "off" },
160 { "virtio-pci", "x-disable-pcie", "on" },
161 { "virtio-pci", "migrate-extra", "off" },
162 { "fw_cfg_mem", "dma_enabled", "off" },
163 { "fw_cfg_io", "dma_enabled", "off" }
164};
165const size_t hw_compat_2_4_len = G_N_ELEMENTS(hw_compat_2_4);
166
167GlobalProperty hw_compat_2_3[] = {
168 { "virtio-blk-pci", "any_layout", "off" },
169 { "virtio-balloon-pci", "any_layout", "off" },
170 { "virtio-serial-pci", "any_layout", "off" },
171 { "virtio-9p-pci", "any_layout", "off" },
172 { "virtio-rng-pci", "any_layout", "off" },
173 { TYPE_PCI_DEVICE, "x-pcie-lnksta-dllla", "off" },
174 { "migration", "send-configuration", "off" },
175 { "migration", "send-section-footer", "off" },
176 { "migration", "store-global-state", "off" },
177};
178const size_t hw_compat_2_3_len = G_N_ELEMENTS(hw_compat_2_3);
179
180GlobalProperty hw_compat_2_2[] = {};
181const size_t hw_compat_2_2_len = G_N_ELEMENTS(hw_compat_2_2);
182
183GlobalProperty hw_compat_2_1[] = {
184 { "intel-hda", "old_msi_addr", "on" },
185 { "VGA", "qemu-extended-regs", "off" },
186 { "secondary-vga", "qemu-extended-regs", "off" },
187 { "virtio-scsi-pci", "any_layout", "off" },
188 { "usb-mouse", "usb_version", "1" },
189 { "usb-kbd", "usb_version", "1" },
190 { "virtio-pci", "virtio-pci-bus-master-bug-migration", "on" },
191};
192const size_t hw_compat_2_1_len = G_N_ELEMENTS(hw_compat_2_1);
193
194static char *machine_get_kernel(Object *obj, Error **errp)
195{
196 MachineState *ms = MACHINE(obj);
197
198 return g_strdup(ms->kernel_filename);
199}
200
201static void machine_set_kernel(Object *obj, const char *value, Error **errp)
202{
203 MachineState *ms = MACHINE(obj);
204
205 g_free(ms->kernel_filename);
206 ms->kernel_filename = g_strdup(value);
207}
208
209static char *machine_get_initrd(Object *obj, Error **errp)
210{
211 MachineState *ms = MACHINE(obj);
212
213 return g_strdup(ms->initrd_filename);
214}
215
216static void machine_set_initrd(Object *obj, const char *value, Error **errp)
217{
218 MachineState *ms = MACHINE(obj);
219
220 g_free(ms->initrd_filename);
221 ms->initrd_filename = g_strdup(value);
222}
223
224static char *machine_get_append(Object *obj, Error **errp)
225{
226 MachineState *ms = MACHINE(obj);
227
228 return g_strdup(ms->kernel_cmdline);
229}
230
231static void machine_set_append(Object *obj, const char *value, Error **errp)
232{
233 MachineState *ms = MACHINE(obj);
234
235 g_free(ms->kernel_cmdline);
236 ms->kernel_cmdline = g_strdup(value);
237}
238
239static char *machine_get_dtb(Object *obj, Error **errp)
240{
241 MachineState *ms = MACHINE(obj);
242
243 return g_strdup(ms->dtb);
244}
245
246static void machine_set_dtb(Object *obj, const char *value, Error **errp)
247{
248 MachineState *ms = MACHINE(obj);
249
250 g_free(ms->dtb);
251 ms->dtb = g_strdup(value);
252}
253
254static char *machine_get_dumpdtb(Object *obj, Error **errp)
255{
256 MachineState *ms = MACHINE(obj);
257
258 return g_strdup(ms->dumpdtb);
259}
260
261static void machine_set_dumpdtb(Object *obj, const char *value, Error **errp)
262{
263 MachineState *ms = MACHINE(obj);
264
265 g_free(ms->dumpdtb);
266 ms->dumpdtb = g_strdup(value);
267}
268
269static void machine_get_phandle_start(Object *obj, Visitor *v,
270 const char *name, void *opaque,
271 Error **errp)
272{
273 MachineState *ms = MACHINE(obj);
274 int64_t value = ms->phandle_start;
275
276 visit_type_int(v, name, &value, errp);
277}
278
279static void machine_set_phandle_start(Object *obj, Visitor *v,
280 const char *name, void *opaque,
281 Error **errp)
282{
283 MachineState *ms = MACHINE(obj);
284 Error *error = NULL;
285 int64_t value;
286
287 visit_type_int(v, name, &value, &error);
288 if (error) {
289 error_propagate(errp, error);
290 return;
291 }
292
293 ms->phandle_start = value;
294}
295
296static char *machine_get_dt_compatible(Object *obj, Error **errp)
297{
298 MachineState *ms = MACHINE(obj);
299
300 return g_strdup(ms->dt_compatible);
301}
302
303static void machine_set_dt_compatible(Object *obj, const char *value, Error **errp)
304{
305 MachineState *ms = MACHINE(obj);
306
307 g_free(ms->dt_compatible);
308 ms->dt_compatible = g_strdup(value);
309}
310
311static bool machine_get_dump_guest_core(Object *obj, Error **errp)
312{
313 MachineState *ms = MACHINE(obj);
314
315 return ms->dump_guest_core;
316}
317
318static void machine_set_dump_guest_core(Object *obj, bool value, Error **errp)
319{
320 MachineState *ms = MACHINE(obj);
321
322 ms->dump_guest_core = value;
323}
324
325static bool machine_get_mem_merge(Object *obj, Error **errp)
326{
327 MachineState *ms = MACHINE(obj);
328
329 return ms->mem_merge;
330}
331
332static void machine_set_mem_merge(Object *obj, bool value, Error **errp)
333{
334 MachineState *ms = MACHINE(obj);
335
336 ms->mem_merge = value;
337}
338
339static bool machine_get_usb(Object *obj, Error **errp)
340{
341 MachineState *ms = MACHINE(obj);
342
343 return ms->usb;
344}
345
346static void machine_set_usb(Object *obj, bool value, Error **errp)
347{
348 MachineState *ms = MACHINE(obj);
349
350 ms->usb = value;
351 ms->usb_disabled = !value;
352}
353
354static bool machine_get_graphics(Object *obj, Error **errp)
355{
356 MachineState *ms = MACHINE(obj);
357
358 return ms->enable_graphics;
359}
360
361static void machine_set_graphics(Object *obj, bool value, Error **errp)
362{
363 MachineState *ms = MACHINE(obj);
364
365 ms->enable_graphics = value;
366}
367
368static char *machine_get_firmware(Object *obj, Error **errp)
369{
370 MachineState *ms = MACHINE(obj);
371
372 return g_strdup(ms->firmware);
373}
374
375static void machine_set_firmware(Object *obj, const char *value, Error **errp)
376{
377 MachineState *ms = MACHINE(obj);
378
379 g_free(ms->firmware);
380 ms->firmware = g_strdup(value);
381}
382
383static void machine_set_suppress_vmdesc(Object *obj, bool value, Error **errp)
384{
385 MachineState *ms = MACHINE(obj);
386
387 ms->suppress_vmdesc = value;
388}
389
390static bool machine_get_suppress_vmdesc(Object *obj, Error **errp)
391{
392 MachineState *ms = MACHINE(obj);
393
394 return ms->suppress_vmdesc;
395}
396
397static void machine_set_enforce_config_section(Object *obj, bool value,
398 Error **errp)
399{
400 MachineState *ms = MACHINE(obj);
401
402 warn_report("enforce-config-section is deprecated, please use "
403 "-global migration.send-configuration=on|off instead");
404
405 ms->enforce_config_section = value;
406}
407
408static bool machine_get_enforce_config_section(Object *obj, Error **errp)
409{
410 MachineState *ms = MACHINE(obj);
411
412 return ms->enforce_config_section;
413}
414
415static char *machine_get_memory_encryption(Object *obj, Error **errp)
416{
417 MachineState *ms = MACHINE(obj);
418
419 return g_strdup(ms->memory_encryption);
420}
421
422static void machine_set_memory_encryption(Object *obj, const char *value,
423 Error **errp)
424{
425 MachineState *ms = MACHINE(obj);
426
427 g_free(ms->memory_encryption);
428 ms->memory_encryption = g_strdup(value);
429
430
431
432
433
434 if (value) {
435 machine_set_mem_merge(obj, false, errp);
436 }
437}
438
439static bool machine_get_nvdimm(Object *obj, Error **errp)
440{
441 MachineState *ms = MACHINE(obj);
442
443 return ms->nvdimms_state->is_enabled;
444}
445
446static void machine_set_nvdimm(Object *obj, bool value, Error **errp)
447{
448 MachineState *ms = MACHINE(obj);
449
450 ms->nvdimms_state->is_enabled = value;
451}
452
453static bool machine_get_hmat(Object *obj, Error **errp)
454{
455 MachineState *ms = MACHINE(obj);
456
457 return ms->numa_state->hmat_enabled;
458}
459
460static void machine_set_hmat(Object *obj, bool value, Error **errp)
461{
462 MachineState *ms = MACHINE(obj);
463
464 ms->numa_state->hmat_enabled = value;
465}
466
467static char *machine_get_nvdimm_persistence(Object *obj, Error **errp)
468{
469 MachineState *ms = MACHINE(obj);
470
471 return g_strdup(ms->nvdimms_state->persistence_string);
472}
473
474static void machine_set_nvdimm_persistence(Object *obj, const char *value,
475 Error **errp)
476{
477 MachineState *ms = MACHINE(obj);
478 NVDIMMState *nvdimms_state = ms->nvdimms_state;
479
480 if (strcmp(value, "cpu") == 0) {
481 nvdimms_state->persistence = 3;
482 } else if (strcmp(value, "mem-ctrl") == 0) {
483 nvdimms_state->persistence = 2;
484 } else {
485 error_setg(errp, "-machine nvdimm-persistence=%s: unsupported option",
486 value);
487 return;
488 }
489
490 g_free(nvdimms_state->persistence_string);
491 nvdimms_state->persistence_string = g_strdup(value);
492}
493
494void machine_class_allow_dynamic_sysbus_dev(MachineClass *mc, const char *type)
495{
496 strList *item = g_new0(strList, 1);
497
498 item->value = g_strdup(type);
499 item->next = mc->allowed_dynamic_sysbus_devices;
500 mc->allowed_dynamic_sysbus_devices = item;
501}
502
503static void validate_sysbus_device(SysBusDevice *sbdev, void *opaque)
504{
505 MachineState *machine = opaque;
506 MachineClass *mc = MACHINE_GET_CLASS(machine);
507 bool allowed = false;
508 strList *wl;
509
510 for (wl = mc->allowed_dynamic_sysbus_devices;
511 !allowed && wl;
512 wl = wl->next) {
513 allowed |= !!object_dynamic_cast(OBJECT(sbdev), wl->value);
514 }
515
516 if (!allowed) {
517 error_report("Option '-device %s' cannot be handled by this machine",
518 object_class_get_name(object_get_class(OBJECT(sbdev))));
519 exit(1);
520 }
521}
522
523static char *machine_get_memdev(Object *obj, Error **errp)
524{
525 MachineState *ms = MACHINE(obj);
526
527 return g_strdup(ms->ram_memdev_id);
528}
529
530static void machine_set_memdev(Object *obj, const char *value, Error **errp)
531{
532 MachineState *ms = MACHINE(obj);
533
534 g_free(ms->ram_memdev_id);
535 ms->ram_memdev_id = g_strdup(value);
536}
537
538
539static void machine_init_notify(Notifier *notifier, void *data)
540{
541 MachineState *machine = MACHINE(qdev_get_machine());
542
543
544
545
546
547 foreach_dynamic_sysbus_device(validate_sysbus_device, machine);
548}
549
550HotpluggableCPUList *machine_query_hotpluggable_cpus(MachineState *machine)
551{
552 int i;
553 HotpluggableCPUList *head = NULL;
554 MachineClass *mc = MACHINE_GET_CLASS(machine);
555
556
557 mc->possible_cpu_arch_ids(machine);
558
559 for (i = 0; i < machine->possible_cpus->len; i++) {
560 Object *cpu;
561 HotpluggableCPUList *list_item = g_new0(typeof(*list_item), 1);
562 HotpluggableCPU *cpu_item = g_new0(typeof(*cpu_item), 1);
563
564 cpu_item->type = g_strdup(machine->possible_cpus->cpus[i].type);
565 cpu_item->vcpus_count = machine->possible_cpus->cpus[i].vcpus_count;
566 cpu_item->props = g_memdup(&machine->possible_cpus->cpus[i].props,
567 sizeof(*cpu_item->props));
568
569 cpu = machine->possible_cpus->cpus[i].cpu;
570 if (cpu) {
571 cpu_item->has_qom_path = true;
572 cpu_item->qom_path = object_get_canonical_path(cpu);
573 }
574 list_item->value = cpu_item;
575 list_item->next = head;
576 head = list_item;
577 }
578 return head;
579}
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606void machine_set_cpu_numa_node(MachineState *machine,
607 const CpuInstanceProperties *props, Error **errp)
608{
609 MachineClass *mc = MACHINE_GET_CLASS(machine);
610 NodeInfo *numa_info = machine->numa_state->nodes;
611 bool match = false;
612 int i;
613
614 if (!mc->possible_cpu_arch_ids) {
615 error_setg(errp, "mapping of CPUs to NUMA node is not supported");
616 return;
617 }
618
619
620 assert(props->has_node_id);
621
622
623 mc->possible_cpu_arch_ids(machine);
624
625 for (i = 0; i < machine->possible_cpus->len; i++) {
626 CPUArchId *slot = &machine->possible_cpus->cpus[i];
627
628
629 if (props->has_thread_id && !slot->props.has_thread_id) {
630 error_setg(errp, "thread-id is not supported");
631 return;
632 }
633
634 if (props->has_core_id && !slot->props.has_core_id) {
635 error_setg(errp, "core-id is not supported");
636 return;
637 }
638
639 if (props->has_socket_id && !slot->props.has_socket_id) {
640 error_setg(errp, "socket-id is not supported");
641 return;
642 }
643
644 if (props->has_die_id && !slot->props.has_die_id) {
645 error_setg(errp, "die-id is not supported");
646 return;
647 }
648
649
650 if (props->has_thread_id && props->thread_id != slot->props.thread_id) {
651 continue;
652 }
653
654 if (props->has_core_id && props->core_id != slot->props.core_id) {
655 continue;
656 }
657
658 if (props->has_die_id && props->die_id != slot->props.die_id) {
659 continue;
660 }
661
662 if (props->has_socket_id && props->socket_id != slot->props.socket_id) {
663 continue;
664 }
665
666
667
668
669 if (slot->props.has_node_id &&
670 slot->props.node_id != props->node_id) {
671 error_setg(errp, "CPU is already assigned to node-id: %" PRId64,
672 slot->props.node_id);
673 return;
674 }
675
676
677 match = true;
678 slot->props.node_id = props->node_id;
679 slot->props.has_node_id = props->has_node_id;
680
681 if (machine->numa_state->hmat_enabled) {
682 if ((numa_info[props->node_id].initiator < MAX_NODES) &&
683 (props->node_id != numa_info[props->node_id].initiator)) {
684 error_setg(errp, "The initiator of CPU NUMA node %" PRId64
685 " should be itself", props->node_id);
686 return;
687 }
688 numa_info[props->node_id].has_cpu = true;
689 numa_info[props->node_id].initiator = props->node_id;
690 }
691 }
692
693 if (!match) {
694 error_setg(errp, "no match found");
695 }
696}
697
698static void smp_parse(MachineState *ms, QemuOpts *opts)
699{
700 if (opts) {
701 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
702 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
703 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
704 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
705
706
707 if (cpus == 0 || sockets == 0) {
708 cores = cores > 0 ? cores : 1;
709 threads = threads > 0 ? threads : 1;
710 if (cpus == 0) {
711 sockets = sockets > 0 ? sockets : 1;
712 cpus = cores * threads * sockets;
713 } else {
714 ms->smp.max_cpus =
715 qemu_opt_get_number(opts, "maxcpus", cpus);
716 sockets = ms->smp.max_cpus / (cores * threads);
717 }
718 } else if (cores == 0) {
719 threads = threads > 0 ? threads : 1;
720 cores = cpus / (sockets * threads);
721 cores = cores > 0 ? cores : 1;
722 } else if (threads == 0) {
723 threads = cpus / (cores * sockets);
724 threads = threads > 0 ? threads : 1;
725 } else if (sockets * cores * threads < cpus) {
726 error_report("cpu topology: "
727 "sockets (%u) * cores (%u) * threads (%u) < "
728 "smp_cpus (%u)",
729 sockets, cores, threads, cpus);
730 exit(1);
731 }
732
733 ms->smp.max_cpus =
734 qemu_opt_get_number(opts, "maxcpus", cpus);
735
736 if (ms->smp.max_cpus < cpus) {
737 error_report("maxcpus must be equal to or greater than smp");
738 exit(1);
739 }
740
741 if (sockets * cores * threads > ms->smp.max_cpus) {
742 error_report("cpu topology: "
743 "sockets (%u) * cores (%u) * threads (%u) > "
744 "maxcpus (%u)",
745 sockets, cores, threads,
746 ms->smp.max_cpus);
747 exit(1);
748 }
749
750 if (sockets * cores * threads != ms->smp.max_cpus) {
751 warn_report("Invalid CPU topology deprecated: "
752 "sockets (%u) * cores (%u) * threads (%u) "
753 "!= maxcpus (%u)",
754 sockets, cores, threads,
755 ms->smp.max_cpus);
756 }
757
758 ms->smp.cpus = cpus;
759 ms->smp.cores = cores;
760 ms->smp.threads = threads;
761 ms->smp.sockets = sockets;
762 }
763
764 if (ms->smp.cpus > 1) {
765 Error *blocker = NULL;
766 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
767 replay_add_blocker(blocker);
768 }
769}
770
771static void machine_class_init(ObjectClass *oc, void *data)
772{
773 MachineClass *mc = MACHINE_CLASS(oc);
774
775
776 mc->default_ram_size = 128 * MiB;
777 mc->rom_file_has_mr = true;
778 mc->smp_parse = smp_parse;
779
780
781
782
783 mc->numa_mem_align_shift = 23;
784 mc->numa_auto_assign_ram = numa_default_auto_assign_ram;
785
786 object_class_property_add_str(oc, "kernel",
787 machine_get_kernel, machine_set_kernel, &error_abort);
788 object_class_property_set_description(oc, "kernel",
789 "Linux kernel image file", &error_abort);
790
791 object_class_property_add_str(oc, "initrd",
792 machine_get_initrd, machine_set_initrd, &error_abort);
793 object_class_property_set_description(oc, "initrd",
794 "Linux initial ramdisk file", &error_abort);
795
796 object_class_property_add_str(oc, "append",
797 machine_get_append, machine_set_append, &error_abort);
798 object_class_property_set_description(oc, "append",
799 "Linux kernel command line", &error_abort);
800
801 object_class_property_add_str(oc, "dtb",
802 machine_get_dtb, machine_set_dtb, &error_abort);
803 object_class_property_set_description(oc, "dtb",
804 "Linux kernel device tree file", &error_abort);
805
806 object_class_property_add_str(oc, "dumpdtb",
807 machine_get_dumpdtb, machine_set_dumpdtb, &error_abort);
808 object_class_property_set_description(oc, "dumpdtb",
809 "Dump current dtb to a file and quit", &error_abort);
810
811 object_class_property_add(oc, "phandle-start", "int",
812 machine_get_phandle_start, machine_set_phandle_start,
813 NULL, NULL, &error_abort);
814 object_class_property_set_description(oc, "phandle-start",
815 "The first phandle ID we may generate dynamically", &error_abort);
816
817 object_class_property_add_str(oc, "dt-compatible",
818 machine_get_dt_compatible, machine_set_dt_compatible, &error_abort);
819 object_class_property_set_description(oc, "dt-compatible",
820 "Overrides the \"compatible\" property of the dt root node",
821 &error_abort);
822
823 object_class_property_add_bool(oc, "dump-guest-core",
824 machine_get_dump_guest_core, machine_set_dump_guest_core, &error_abort);
825 object_class_property_set_description(oc, "dump-guest-core",
826 "Include guest memory in a core dump", &error_abort);
827
828 object_class_property_add_bool(oc, "mem-merge",
829 machine_get_mem_merge, machine_set_mem_merge, &error_abort);
830 object_class_property_set_description(oc, "mem-merge",
831 "Enable/disable memory merge support", &error_abort);
832
833 object_class_property_add_bool(oc, "usb",
834 machine_get_usb, machine_set_usb, &error_abort);
835 object_class_property_set_description(oc, "usb",
836 "Set on/off to enable/disable usb", &error_abort);
837
838 object_class_property_add_bool(oc, "graphics",
839 machine_get_graphics, machine_set_graphics, &error_abort);
840 object_class_property_set_description(oc, "graphics",
841 "Set on/off to enable/disable graphics emulation", &error_abort);
842
843 object_class_property_add_str(oc, "firmware",
844 machine_get_firmware, machine_set_firmware,
845 &error_abort);
846 object_class_property_set_description(oc, "firmware",
847 "Firmware image", &error_abort);
848
849 object_class_property_add_bool(oc, "suppress-vmdesc",
850 machine_get_suppress_vmdesc, machine_set_suppress_vmdesc,
851 &error_abort);
852 object_class_property_set_description(oc, "suppress-vmdesc",
853 "Set on to disable self-describing migration", &error_abort);
854
855 object_class_property_add_bool(oc, "enforce-config-section",
856 machine_get_enforce_config_section, machine_set_enforce_config_section,
857 &error_abort);
858 object_class_property_set_description(oc, "enforce-config-section",
859 "Set on to enforce configuration section migration", &error_abort);
860
861 object_class_property_add_str(oc, "memory-encryption",
862 machine_get_memory_encryption, machine_set_memory_encryption,
863 &error_abort);
864 object_class_property_set_description(oc, "memory-encryption",
865 "Set memory encryption object to use", &error_abort);
866}
867
868static void machine_class_base_init(ObjectClass *oc, void *data)
869{
870 if (!object_class_is_abstract(oc)) {
871 MachineClass *mc = MACHINE_CLASS(oc);
872 const char *cname = object_class_get_name(oc);
873 assert(g_str_has_suffix(cname, TYPE_MACHINE_SUFFIX));
874 mc->name = g_strndup(cname,
875 strlen(cname) - strlen(TYPE_MACHINE_SUFFIX));
876 mc->compat_props = g_ptr_array_new();
877 }
878}
879
880static void machine_initfn(Object *obj)
881{
882 MachineState *ms = MACHINE(obj);
883 MachineClass *mc = MACHINE_GET_CLASS(obj);
884
885 ms->dump_guest_core = true;
886 ms->mem_merge = true;
887 ms->enable_graphics = true;
888
889 if (mc->nvdimm_supported) {
890 Object *obj = OBJECT(ms);
891
892 ms->nvdimms_state = g_new0(NVDIMMState, 1);
893 object_property_add_bool(obj, "nvdimm",
894 machine_get_nvdimm, machine_set_nvdimm,
895 &error_abort);
896 object_property_set_description(obj, "nvdimm",
897 "Set on/off to enable/disable "
898 "NVDIMM instantiation", NULL);
899
900 object_property_add_str(obj, "nvdimm-persistence",
901 machine_get_nvdimm_persistence,
902 machine_set_nvdimm_persistence,
903 &error_abort);
904 object_property_set_description(obj, "nvdimm-persistence",
905 "Set NVDIMM persistence"
906 "Valid values are cpu, mem-ctrl",
907 NULL);
908 }
909
910 if (mc->cpu_index_to_instance_props && mc->get_default_cpu_node_id) {
911 ms->numa_state = g_new0(NumaState, 1);
912 object_property_add_bool(obj, "hmat",
913 machine_get_hmat, machine_set_hmat,
914 &error_abort);
915 object_property_set_description(obj, "hmat",
916 "Set on/off to enable/disable "
917 "ACPI Heterogeneous Memory Attribute "
918 "Table (HMAT)", NULL);
919 }
920
921 object_property_add_str(obj, "memory-backend",
922 machine_get_memdev, machine_set_memdev,
923 &error_abort);
924 object_property_set_description(obj, "memory-backend",
925 "Set RAM backend"
926 "Valid value is ID of hostmem based backend",
927 &error_abort);
928
929
930 ms->sysbus_notifier.notify = machine_init_notify;
931 qemu_add_machine_init_done_notifier(&ms->sysbus_notifier);
932}
933
934static void machine_finalize(Object *obj)
935{
936 MachineState *ms = MACHINE(obj);
937
938 g_free(ms->kernel_filename);
939 g_free(ms->initrd_filename);
940 g_free(ms->kernel_cmdline);
941 g_free(ms->dtb);
942 g_free(ms->dumpdtb);
943 g_free(ms->dt_compatible);
944 g_free(ms->firmware);
945 g_free(ms->device_memory);
946 g_free(ms->nvdimms_state);
947 g_free(ms->numa_state);
948}
949
950bool machine_usb(MachineState *machine)
951{
952 return machine->usb;
953}
954
955int machine_phandle_start(MachineState *machine)
956{
957 return machine->phandle_start;
958}
959
960bool machine_dump_guest_core(MachineState *machine)
961{
962 return machine->dump_guest_core;
963}
964
965bool machine_mem_merge(MachineState *machine)
966{
967 return machine->mem_merge;
968}
969
970static char *cpu_slot_to_string(const CPUArchId *cpu)
971{
972 GString *s = g_string_new(NULL);
973 if (cpu->props.has_socket_id) {
974 g_string_append_printf(s, "socket-id: %"PRId64, cpu->props.socket_id);
975 }
976 if (cpu->props.has_die_id) {
977 g_string_append_printf(s, "die-id: %"PRId64, cpu->props.die_id);
978 }
979 if (cpu->props.has_core_id) {
980 if (s->len) {
981 g_string_append_printf(s, ", ");
982 }
983 g_string_append_printf(s, "core-id: %"PRId64, cpu->props.core_id);
984 }
985 if (cpu->props.has_thread_id) {
986 if (s->len) {
987 g_string_append_printf(s, ", ");
988 }
989 g_string_append_printf(s, "thread-id: %"PRId64, cpu->props.thread_id);
990 }
991 return g_string_free(s, false);
992}
993
994static void numa_validate_initiator(NumaState *numa_state)
995{
996 int i;
997 NodeInfo *numa_info = numa_state->nodes;
998
999 for (i = 0; i < numa_state->num_nodes; i++) {
1000 if (numa_info[i].initiator == MAX_NODES) {
1001 error_report("The initiator of NUMA node %d is missing, use "
1002 "'-numa node,initiator' option to declare it", i);
1003 exit(1);
1004 }
1005
1006 if (!numa_info[numa_info[i].initiator].present) {
1007 error_report("NUMA node %" PRIu16 " is missing, use "
1008 "'-numa node' option to declare it first",
1009 numa_info[i].initiator);
1010 exit(1);
1011 }
1012
1013 if (!numa_info[numa_info[i].initiator].has_cpu) {
1014 error_report("The initiator of NUMA node %d is invalid", i);
1015 exit(1);
1016 }
1017 }
1018}
1019
1020static void machine_numa_finish_cpu_init(MachineState *machine)
1021{
1022 int i;
1023 bool default_mapping;
1024 GString *s = g_string_new(NULL);
1025 MachineClass *mc = MACHINE_GET_CLASS(machine);
1026 const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(machine);
1027
1028 assert(machine->numa_state->num_nodes);
1029 for (i = 0; i < possible_cpus->len; i++) {
1030 if (possible_cpus->cpus[i].props.has_node_id) {
1031 break;
1032 }
1033 }
1034 default_mapping = (i == possible_cpus->len);
1035
1036 for (i = 0; i < possible_cpus->len; i++) {
1037 const CPUArchId *cpu_slot = &possible_cpus->cpus[i];
1038
1039 if (!cpu_slot->props.has_node_id) {
1040
1041 CpuInstanceProperties props = cpu_slot->props;
1042
1043 props.node_id = mc->get_default_cpu_node_id(machine, i);
1044 if (!default_mapping) {
1045
1046
1047 char *cpu_str = cpu_slot_to_string(cpu_slot);
1048 g_string_append_printf(s, "%sCPU %d [%s]",
1049 s->len ? ", " : "", i, cpu_str);
1050 g_free(cpu_str);
1051
1052
1053 props.node_id = 0;
1054 }
1055
1056 props.has_node_id = true;
1057 machine_set_cpu_numa_node(machine, &props, &error_fatal);
1058 }
1059 }
1060
1061 if (machine->numa_state->hmat_enabled) {
1062 numa_validate_initiator(machine->numa_state);
1063 }
1064
1065 if (s->len && !qtest_enabled()) {
1066 warn_report("CPU(s) not present in any NUMA nodes: %s",
1067 s->str);
1068 warn_report("All CPU(s) up to maxcpus should be described "
1069 "in NUMA config, ability to start up with partial NUMA "
1070 "mappings is obsoleted and will be removed in future");
1071 }
1072 g_string_free(s, true);
1073}
1074
1075MemoryRegion *machine_consume_memdev(MachineState *machine,
1076 HostMemoryBackend *backend)
1077{
1078 MemoryRegion *ret = host_memory_backend_get_memory(backend);
1079
1080 if (memory_region_is_mapped(ret)) {
1081 char *path = object_get_canonical_path_component(OBJECT(backend));
1082 error_report("memory backend %s can't be used multiple times.", path);
1083 g_free(path);
1084 exit(EXIT_FAILURE);
1085 }
1086 host_memory_backend_set_mapped(backend, true);
1087 vmstate_register_ram_global(ret);
1088 return ret;
1089}
1090
1091void machine_run_board_init(MachineState *machine)
1092{
1093 MachineClass *machine_class = MACHINE_GET_CLASS(machine);
1094
1095 if (machine->ram_memdev_id) {
1096 Object *o;
1097 o = object_resolve_path_type(machine->ram_memdev_id,
1098 TYPE_MEMORY_BACKEND, NULL);
1099 machine->ram = machine_consume_memdev(machine, MEMORY_BACKEND(o));
1100 }
1101
1102 if (machine->numa_state) {
1103 numa_complete_configuration(machine);
1104 if (machine->numa_state->num_nodes) {
1105 machine_numa_finish_cpu_init(machine);
1106 }
1107 }
1108
1109
1110
1111
1112 if (machine_class->valid_cpu_types && machine->cpu_type) {
1113 ObjectClass *class = object_class_by_name(machine->cpu_type);
1114 int i;
1115
1116 for (i = 0; machine_class->valid_cpu_types[i]; i++) {
1117 if (object_class_dynamic_cast(class,
1118 machine_class->valid_cpu_types[i])) {
1119
1120
1121
1122 break;
1123 }
1124 }
1125
1126 if (!machine_class->valid_cpu_types[i]) {
1127
1128 error_report("Invalid CPU type: %s", machine->cpu_type);
1129 error_printf("The valid types are: %s",
1130 machine_class->valid_cpu_types[0]);
1131 for (i = 1; machine_class->valid_cpu_types[i]; i++) {
1132 error_printf(", %s", machine_class->valid_cpu_types[i]);
1133 }
1134 error_printf("\n");
1135
1136 exit(1);
1137 }
1138 }
1139
1140 machine_class->init(machine);
1141}
1142
1143static const TypeInfo machine_info = {
1144 .name = TYPE_MACHINE,
1145 .parent = TYPE_OBJECT,
1146 .abstract = true,
1147 .class_size = sizeof(MachineClass),
1148 .class_init = machine_class_init,
1149 .class_base_init = machine_class_base_init,
1150 .instance_size = sizeof(MachineState),
1151 .instance_init = machine_initfn,
1152 .instance_finalize = machine_finalize,
1153};
1154
1155static void machine_register_types(void)
1156{
1157 type_register_static(&machine_info);
1158}
1159
1160type_init(machine_register_types)
1161