hw/i386/vmport: Report vmware-vmx-type in CMD_GETVERSION
[qemu.git] / hw / core / machine.c
1 /*
2 * QEMU Machine
3 *
4 * Copyright (C) 2014 Red Hat Inc
5 *
6 * Authors:
7 * Marcel Apfelbaum <marcel.a@redhat.com>
8 *
9 * This work is licensed under the terms of the GNU GPL, version 2 or later.
10 * See the COPYING file in the top-level directory.
11 */
12
13 #include "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
31 GlobalProperty hw_compat_5_0[] = {};
32 const size_t hw_compat_5_0_len = G_N_ELEMENTS(hw_compat_5_0);
33
34 GlobalProperty hw_compat_4_2[] = {
35 { "virtio-blk-device", "queue-size", "128"},
36 { "virtio-scsi-device", "virtqueue_size", "128"},
37 { "virtio-blk-device", "x-enable-wce-if-config-wce", "off" },
38 { "virtio-blk-device", "seg-max-adjust", "off"},
39 { "virtio-scsi-device", "seg_max_adjust", "off"},
40 { "vhost-blk-device", "seg_max_adjust", "off"},
41 { "usb-host", "suppress-remote-wake", "off" },
42 { "usb-redir", "suppress-remote-wake", "off" },
43 { "qxl", "revision", "4" },
44 { "qxl-vga", "revision", "4" },
45 { "fw_cfg", "acpi-mr-restore", "false" },
46 { "vmport", "x-read-set-eax", "off" },
47 { "vmport", "x-signal-unsupported-cmd", "off" },
48 { "vmport", "x-report-vmx-type", "off" },
49 };
50 const size_t hw_compat_4_2_len = G_N_ELEMENTS(hw_compat_4_2);
51
52 GlobalProperty hw_compat_4_1[] = {
53 { "virtio-pci", "x-pcie-flr-init", "off" },
54 { "virtio-device", "use-disabled-flag", "false" },
55 };
56 const size_t hw_compat_4_1_len = G_N_ELEMENTS(hw_compat_4_1);
57
58 GlobalProperty hw_compat_4_0[] = {
59 { "VGA", "edid", "false" },
60 { "secondary-vga", "edid", "false" },
61 { "bochs-display", "edid", "false" },
62 { "virtio-vga", "edid", "false" },
63 { "virtio-gpu-device", "edid", "false" },
64 { "virtio-device", "use-started", "false" },
65 { "virtio-balloon-device", "qemu-4-0-config-size", "true" },
66 { "pl031", "migrate-tick-offset", "false" },
67 };
68 const size_t hw_compat_4_0_len = G_N_ELEMENTS(hw_compat_4_0);
69
70 GlobalProperty hw_compat_3_1[] = {
71 { "pcie-root-port", "x-speed", "2_5" },
72 { "pcie-root-port", "x-width", "1" },
73 { "memory-backend-file", "x-use-canonical-path-for-ramblock-id", "true" },
74 { "memory-backend-memfd", "x-use-canonical-path-for-ramblock-id", "true" },
75 { "tpm-crb", "ppi", "false" },
76 { "tpm-tis", "ppi", "false" },
77 { "usb-kbd", "serial", "42" },
78 { "usb-mouse", "serial", "42" },
79 { "usb-tablet", "serial", "42" },
80 { "virtio-blk-device", "discard", "false" },
81 { "virtio-blk-device", "write-zeroes", "false" },
82 { "virtio-balloon-device", "qemu-4-0-config-size", "false" },
83 { "pcie-root-port-base", "disable-acs", "true" }, /* Added in 4.1 */
84 };
85 const size_t hw_compat_3_1_len = G_N_ELEMENTS(hw_compat_3_1);
86
87 GlobalProperty hw_compat_3_0[] = {};
88 const size_t hw_compat_3_0_len = G_N_ELEMENTS(hw_compat_3_0);
89
90 GlobalProperty hw_compat_2_12[] = {
91 { "migration", "decompress-error-check", "off" },
92 { "hda-audio", "use-timer", "false" },
93 { "cirrus-vga", "global-vmstate", "true" },
94 { "VGA", "global-vmstate", "true" },
95 { "vmware-svga", "global-vmstate", "true" },
96 { "qxl-vga", "global-vmstate", "true" },
97 };
98 const size_t hw_compat_2_12_len = G_N_ELEMENTS(hw_compat_2_12);
99
100 GlobalProperty hw_compat_2_11[] = {
101 { "hpet", "hpet-offset-saved", "false" },
102 { "virtio-blk-pci", "vectors", "2" },
103 { "vhost-user-blk-pci", "vectors", "2" },
104 { "e1000", "migrate_tso_props", "off" },
105 };
106 const size_t hw_compat_2_11_len = G_N_ELEMENTS(hw_compat_2_11);
107
108 GlobalProperty hw_compat_2_10[] = {
109 { "virtio-mouse-device", "wheel-axis", "false" },
110 { "virtio-tablet-device", "wheel-axis", "false" },
111 };
112 const size_t hw_compat_2_10_len = G_N_ELEMENTS(hw_compat_2_10);
113
114 GlobalProperty hw_compat_2_9[] = {
115 { "pci-bridge", "shpc", "off" },
116 { "intel-iommu", "pt", "off" },
117 { "virtio-net-device", "x-mtu-bypass-backend", "off" },
118 { "pcie-root-port", "x-migrate-msix", "false" },
119 };
120 const size_t hw_compat_2_9_len = G_N_ELEMENTS(hw_compat_2_9);
121
122 GlobalProperty hw_compat_2_8[] = {
123 { "fw_cfg_mem", "x-file-slots", "0x10" },
124 { "fw_cfg_io", "x-file-slots", "0x10" },
125 { "pflash_cfi01", "old-multiple-chip-handling", "on" },
126 { "pci-bridge", "shpc", "on" },
127 { TYPE_PCI_DEVICE, "x-pcie-extcap-init", "off" },
128 { "virtio-pci", "x-pcie-deverr-init", "off" },
129 { "virtio-pci", "x-pcie-lnkctl-init", "off" },
130 { "virtio-pci", "x-pcie-pm-init", "off" },
131 { "cirrus-vga", "vgamem_mb", "8" },
132 { "isa-cirrus-vga", "vgamem_mb", "8" },
133 };
134 const size_t hw_compat_2_8_len = G_N_ELEMENTS(hw_compat_2_8);
135
136 GlobalProperty hw_compat_2_7[] = {
137 { "virtio-pci", "page-per-vq", "on" },
138 { "virtio-serial-device", "emergency-write", "off" },
139 { "ioapic", "version", "0x11" },
140 { "intel-iommu", "x-buggy-eim", "true" },
141 { "virtio-pci", "x-ignore-backend-features", "on" },
142 };
143 const size_t hw_compat_2_7_len = G_N_ELEMENTS(hw_compat_2_7);
144
145 GlobalProperty hw_compat_2_6[] = {
146 { "virtio-mmio", "format_transport_address", "off" },
147 /* Optional because not all virtio-pci devices support legacy mode */
148 { "virtio-pci", "disable-modern", "on", .optional = true },
149 { "virtio-pci", "disable-legacy", "off", .optional = true },
150 };
151 const size_t hw_compat_2_6_len = G_N_ELEMENTS(hw_compat_2_6);
152
153 GlobalProperty hw_compat_2_5[] = {
154 { "isa-fdc", "fallback", "144" },
155 { "pvscsi", "x-old-pci-configuration", "on" },
156 { "pvscsi", "x-disable-pcie", "on" },
157 { "vmxnet3", "x-old-msi-offsets", "on" },
158 { "vmxnet3", "x-disable-pcie", "on" },
159 };
160 const size_t hw_compat_2_5_len = G_N_ELEMENTS(hw_compat_2_5);
161
162 GlobalProperty hw_compat_2_4[] = {
163 /* Optional because the 'scsi' property is Linux-only */
164 { "virtio-blk-device", "scsi", "true", .optional = true },
165 { "e1000", "extra_mac_registers", "off" },
166 { "virtio-pci", "x-disable-pcie", "on" },
167 { "virtio-pci", "migrate-extra", "off" },
168 { "fw_cfg_mem", "dma_enabled", "off" },
169 { "fw_cfg_io", "dma_enabled", "off" }
170 };
171 const size_t hw_compat_2_4_len = G_N_ELEMENTS(hw_compat_2_4);
172
173 GlobalProperty hw_compat_2_3[] = {
174 { "virtio-blk-pci", "any_layout", "off" },
175 { "virtio-balloon-pci", "any_layout", "off" },
176 { "virtio-serial-pci", "any_layout", "off" },
177 { "virtio-9p-pci", "any_layout", "off" },
178 { "virtio-rng-pci", "any_layout", "off" },
179 { TYPE_PCI_DEVICE, "x-pcie-lnksta-dllla", "off" },
180 { "migration", "send-configuration", "off" },
181 { "migration", "send-section-footer", "off" },
182 { "migration", "store-global-state", "off" },
183 };
184 const size_t hw_compat_2_3_len = G_N_ELEMENTS(hw_compat_2_3);
185
186 GlobalProperty hw_compat_2_2[] = {};
187 const size_t hw_compat_2_2_len = G_N_ELEMENTS(hw_compat_2_2);
188
189 GlobalProperty hw_compat_2_1[] = {
190 { "intel-hda", "old_msi_addr", "on" },
191 { "VGA", "qemu-extended-regs", "off" },
192 { "secondary-vga", "qemu-extended-regs", "off" },
193 { "virtio-scsi-pci", "any_layout", "off" },
194 { "usb-mouse", "usb_version", "1" },
195 { "usb-kbd", "usb_version", "1" },
196 { "virtio-pci", "virtio-pci-bus-master-bug-migration", "on" },
197 };
198 const size_t hw_compat_2_1_len = G_N_ELEMENTS(hw_compat_2_1);
199
200 static char *machine_get_kernel(Object *obj, Error **errp)
201 {
202 MachineState *ms = MACHINE(obj);
203
204 return g_strdup(ms->kernel_filename);
205 }
206
207 static void machine_set_kernel(Object *obj, const char *value, Error **errp)
208 {
209 MachineState *ms = MACHINE(obj);
210
211 g_free(ms->kernel_filename);
212 ms->kernel_filename = g_strdup(value);
213 }
214
215 static char *machine_get_initrd(Object *obj, Error **errp)
216 {
217 MachineState *ms = MACHINE(obj);
218
219 return g_strdup(ms->initrd_filename);
220 }
221
222 static void machine_set_initrd(Object *obj, const char *value, Error **errp)
223 {
224 MachineState *ms = MACHINE(obj);
225
226 g_free(ms->initrd_filename);
227 ms->initrd_filename = g_strdup(value);
228 }
229
230 static char *machine_get_append(Object *obj, Error **errp)
231 {
232 MachineState *ms = MACHINE(obj);
233
234 return g_strdup(ms->kernel_cmdline);
235 }
236
237 static void machine_set_append(Object *obj, const char *value, Error **errp)
238 {
239 MachineState *ms = MACHINE(obj);
240
241 g_free(ms->kernel_cmdline);
242 ms->kernel_cmdline = g_strdup(value);
243 }
244
245 static char *machine_get_dtb(Object *obj, Error **errp)
246 {
247 MachineState *ms = MACHINE(obj);
248
249 return g_strdup(ms->dtb);
250 }
251
252 static void machine_set_dtb(Object *obj, const char *value, Error **errp)
253 {
254 MachineState *ms = MACHINE(obj);
255
256 g_free(ms->dtb);
257 ms->dtb = g_strdup(value);
258 }
259
260 static char *machine_get_dumpdtb(Object *obj, Error **errp)
261 {
262 MachineState *ms = MACHINE(obj);
263
264 return g_strdup(ms->dumpdtb);
265 }
266
267 static void machine_set_dumpdtb(Object *obj, const char *value, Error **errp)
268 {
269 MachineState *ms = MACHINE(obj);
270
271 g_free(ms->dumpdtb);
272 ms->dumpdtb = g_strdup(value);
273 }
274
275 static void machine_get_phandle_start(Object *obj, Visitor *v,
276 const char *name, void *opaque,
277 Error **errp)
278 {
279 MachineState *ms = MACHINE(obj);
280 int64_t value = ms->phandle_start;
281
282 visit_type_int(v, name, &value, errp);
283 }
284
285 static void machine_set_phandle_start(Object *obj, Visitor *v,
286 const char *name, void *opaque,
287 Error **errp)
288 {
289 MachineState *ms = MACHINE(obj);
290 Error *error = NULL;
291 int64_t value;
292
293 visit_type_int(v, name, &value, &error);
294 if (error) {
295 error_propagate(errp, error);
296 return;
297 }
298
299 ms->phandle_start = value;
300 }
301
302 static char *machine_get_dt_compatible(Object *obj, Error **errp)
303 {
304 MachineState *ms = MACHINE(obj);
305
306 return g_strdup(ms->dt_compatible);
307 }
308
309 static void machine_set_dt_compatible(Object *obj, const char *value, Error **errp)
310 {
311 MachineState *ms = MACHINE(obj);
312
313 g_free(ms->dt_compatible);
314 ms->dt_compatible = g_strdup(value);
315 }
316
317 static bool machine_get_dump_guest_core(Object *obj, Error **errp)
318 {
319 MachineState *ms = MACHINE(obj);
320
321 return ms->dump_guest_core;
322 }
323
324 static void machine_set_dump_guest_core(Object *obj, bool value, Error **errp)
325 {
326 MachineState *ms = MACHINE(obj);
327
328 ms->dump_guest_core = value;
329 }
330
331 static bool machine_get_mem_merge(Object *obj, Error **errp)
332 {
333 MachineState *ms = MACHINE(obj);
334
335 return ms->mem_merge;
336 }
337
338 static void machine_set_mem_merge(Object *obj, bool value, Error **errp)
339 {
340 MachineState *ms = MACHINE(obj);
341
342 ms->mem_merge = value;
343 }
344
345 static bool machine_get_usb(Object *obj, Error **errp)
346 {
347 MachineState *ms = MACHINE(obj);
348
349 return ms->usb;
350 }
351
352 static void machine_set_usb(Object *obj, bool value, Error **errp)
353 {
354 MachineState *ms = MACHINE(obj);
355
356 ms->usb = value;
357 ms->usb_disabled = !value;
358 }
359
360 static bool machine_get_graphics(Object *obj, Error **errp)
361 {
362 MachineState *ms = MACHINE(obj);
363
364 return ms->enable_graphics;
365 }
366
367 static void machine_set_graphics(Object *obj, bool value, Error **errp)
368 {
369 MachineState *ms = MACHINE(obj);
370
371 ms->enable_graphics = value;
372 }
373
374 static char *machine_get_firmware(Object *obj, Error **errp)
375 {
376 MachineState *ms = MACHINE(obj);
377
378 return g_strdup(ms->firmware);
379 }
380
381 static void machine_set_firmware(Object *obj, const char *value, Error **errp)
382 {
383 MachineState *ms = MACHINE(obj);
384
385 g_free(ms->firmware);
386 ms->firmware = g_strdup(value);
387 }
388
389 static void machine_set_suppress_vmdesc(Object *obj, bool value, Error **errp)
390 {
391 MachineState *ms = MACHINE(obj);
392
393 ms->suppress_vmdesc = value;
394 }
395
396 static bool machine_get_suppress_vmdesc(Object *obj, Error **errp)
397 {
398 MachineState *ms = MACHINE(obj);
399
400 return ms->suppress_vmdesc;
401 }
402
403 static void machine_set_enforce_config_section(Object *obj, bool value,
404 Error **errp)
405 {
406 MachineState *ms = MACHINE(obj);
407
408 warn_report("enforce-config-section is deprecated, please use "
409 "-global migration.send-configuration=on|off instead");
410
411 ms->enforce_config_section = value;
412 }
413
414 static bool machine_get_enforce_config_section(Object *obj, Error **errp)
415 {
416 MachineState *ms = MACHINE(obj);
417
418 return ms->enforce_config_section;
419 }
420
421 static char *machine_get_memory_encryption(Object *obj, Error **errp)
422 {
423 MachineState *ms = MACHINE(obj);
424
425 return g_strdup(ms->memory_encryption);
426 }
427
428 static void machine_set_memory_encryption(Object *obj, const char *value,
429 Error **errp)
430 {
431 MachineState *ms = MACHINE(obj);
432
433 g_free(ms->memory_encryption);
434 ms->memory_encryption = g_strdup(value);
435
436 /*
437 * With memory encryption, the host can't see the real contents of RAM,
438 * so there's no point in it trying to merge areas.
439 */
440 if (value) {
441 machine_set_mem_merge(obj, false, errp);
442 }
443 }
444
445 static bool machine_get_nvdimm(Object *obj, Error **errp)
446 {
447 MachineState *ms = MACHINE(obj);
448
449 return ms->nvdimms_state->is_enabled;
450 }
451
452 static void machine_set_nvdimm(Object *obj, bool value, Error **errp)
453 {
454 MachineState *ms = MACHINE(obj);
455
456 ms->nvdimms_state->is_enabled = value;
457 }
458
459 static bool machine_get_hmat(Object *obj, Error **errp)
460 {
461 MachineState *ms = MACHINE(obj);
462
463 return ms->numa_state->hmat_enabled;
464 }
465
466 static void machine_set_hmat(Object *obj, bool value, Error **errp)
467 {
468 MachineState *ms = MACHINE(obj);
469
470 ms->numa_state->hmat_enabled = value;
471 }
472
473 static char *machine_get_nvdimm_persistence(Object *obj, Error **errp)
474 {
475 MachineState *ms = MACHINE(obj);
476
477 return g_strdup(ms->nvdimms_state->persistence_string);
478 }
479
480 static void machine_set_nvdimm_persistence(Object *obj, const char *value,
481 Error **errp)
482 {
483 MachineState *ms = MACHINE(obj);
484 NVDIMMState *nvdimms_state = ms->nvdimms_state;
485
486 if (strcmp(value, "cpu") == 0) {
487 nvdimms_state->persistence = 3;
488 } else if (strcmp(value, "mem-ctrl") == 0) {
489 nvdimms_state->persistence = 2;
490 } else {
491 error_setg(errp, "-machine nvdimm-persistence=%s: unsupported option",
492 value);
493 return;
494 }
495
496 g_free(nvdimms_state->persistence_string);
497 nvdimms_state->persistence_string = g_strdup(value);
498 }
499
500 void machine_class_allow_dynamic_sysbus_dev(MachineClass *mc, const char *type)
501 {
502 strList *item = g_new0(strList, 1);
503
504 item->value = g_strdup(type);
505 item->next = mc->allowed_dynamic_sysbus_devices;
506 mc->allowed_dynamic_sysbus_devices = item;
507 }
508
509 static void validate_sysbus_device(SysBusDevice *sbdev, void *opaque)
510 {
511 MachineState *machine = opaque;
512 MachineClass *mc = MACHINE_GET_CLASS(machine);
513 bool allowed = false;
514 strList *wl;
515
516 for (wl = mc->allowed_dynamic_sysbus_devices;
517 !allowed && wl;
518 wl = wl->next) {
519 allowed |= !!object_dynamic_cast(OBJECT(sbdev), wl->value);
520 }
521
522 if (!allowed) {
523 error_report("Option '-device %s' cannot be handled by this machine",
524 object_class_get_name(object_get_class(OBJECT(sbdev))));
525 exit(1);
526 }
527 }
528
529 static char *machine_get_memdev(Object *obj, Error **errp)
530 {
531 MachineState *ms = MACHINE(obj);
532
533 return g_strdup(ms->ram_memdev_id);
534 }
535
536 static void machine_set_memdev(Object *obj, const char *value, Error **errp)
537 {
538 MachineState *ms = MACHINE(obj);
539
540 g_free(ms->ram_memdev_id);
541 ms->ram_memdev_id = g_strdup(value);
542 }
543
544
545 static void machine_init_notify(Notifier *notifier, void *data)
546 {
547 MachineState *machine = MACHINE(qdev_get_machine());
548
549 /*
550 * Loop through all dynamically created sysbus devices and check if they are
551 * all allowed. If a device is not allowed, error out.
552 */
553 foreach_dynamic_sysbus_device(validate_sysbus_device, machine);
554 }
555
556 HotpluggableCPUList *machine_query_hotpluggable_cpus(MachineState *machine)
557 {
558 int i;
559 HotpluggableCPUList *head = NULL;
560 MachineClass *mc = MACHINE_GET_CLASS(machine);
561
562 /* force board to initialize possible_cpus if it hasn't been done yet */
563 mc->possible_cpu_arch_ids(machine);
564
565 for (i = 0; i < machine->possible_cpus->len; i++) {
566 Object *cpu;
567 HotpluggableCPUList *list_item = g_new0(typeof(*list_item), 1);
568 HotpluggableCPU *cpu_item = g_new0(typeof(*cpu_item), 1);
569
570 cpu_item->type = g_strdup(machine->possible_cpus->cpus[i].type);
571 cpu_item->vcpus_count = machine->possible_cpus->cpus[i].vcpus_count;
572 cpu_item->props = g_memdup(&machine->possible_cpus->cpus[i].props,
573 sizeof(*cpu_item->props));
574
575 cpu = machine->possible_cpus->cpus[i].cpu;
576 if (cpu) {
577 cpu_item->has_qom_path = true;
578 cpu_item->qom_path = object_get_canonical_path(cpu);
579 }
580 list_item->value = cpu_item;
581 list_item->next = head;
582 head = list_item;
583 }
584 return head;
585 }
586
587 /**
588 * machine_set_cpu_numa_node:
589 * @machine: machine object to modify
590 * @props: specifies which cpu objects to assign to
591 * numa node specified by @props.node_id
592 * @errp: if an error occurs, a pointer to an area to store the error
593 *
594 * Associate NUMA node specified by @props.node_id with cpu slots that
595 * match socket/core/thread-ids specified by @props. It's recommended to use
596 * query-hotpluggable-cpus.props values to specify affected cpu slots,
597 * which would lead to exact 1:1 mapping of cpu slots to NUMA node.
598 *
599 * However for CLI convenience it's possible to pass in subset of properties,
600 * which would affect all cpu slots that match it.
601 * Ex for pc machine:
602 * -smp 4,cores=2,sockets=2 -numa node,nodeid=0 -numa node,nodeid=1 \
603 * -numa cpu,node-id=0,socket_id=0 \
604 * -numa cpu,node-id=1,socket_id=1
605 * will assign all child cores of socket 0 to node 0 and
606 * of socket 1 to node 1.
607 *
608 * On attempt of reassigning (already assigned) cpu slot to another NUMA node,
609 * return error.
610 * Empty subset is disallowed and function will return with error in this case.
611 */
612 void machine_set_cpu_numa_node(MachineState *machine,
613 const CpuInstanceProperties *props, Error **errp)
614 {
615 MachineClass *mc = MACHINE_GET_CLASS(machine);
616 NodeInfo *numa_info = machine->numa_state->nodes;
617 bool match = false;
618 int i;
619
620 if (!mc->possible_cpu_arch_ids) {
621 error_setg(errp, "mapping of CPUs to NUMA node is not supported");
622 return;
623 }
624
625 /* disabling node mapping is not supported, forbid it */
626 assert(props->has_node_id);
627
628 /* force board to initialize possible_cpus if it hasn't been done yet */
629 mc->possible_cpu_arch_ids(machine);
630
631 for (i = 0; i < machine->possible_cpus->len; i++) {
632 CPUArchId *slot = &machine->possible_cpus->cpus[i];
633
634 /* reject unsupported by board properties */
635 if (props->has_thread_id && !slot->props.has_thread_id) {
636 error_setg(errp, "thread-id is not supported");
637 return;
638 }
639
640 if (props->has_core_id && !slot->props.has_core_id) {
641 error_setg(errp, "core-id is not supported");
642 return;
643 }
644
645 if (props->has_socket_id && !slot->props.has_socket_id) {
646 error_setg(errp, "socket-id is not supported");
647 return;
648 }
649
650 if (props->has_die_id && !slot->props.has_die_id) {
651 error_setg(errp, "die-id is not supported");
652 return;
653 }
654
655 /* skip slots with explicit mismatch */
656 if (props->has_thread_id && props->thread_id != slot->props.thread_id) {
657 continue;
658 }
659
660 if (props->has_core_id && props->core_id != slot->props.core_id) {
661 continue;
662 }
663
664 if (props->has_die_id && props->die_id != slot->props.die_id) {
665 continue;
666 }
667
668 if (props->has_socket_id && props->socket_id != slot->props.socket_id) {
669 continue;
670 }
671
672 /* reject assignment if slot is already assigned, for compatibility
673 * of legacy cpu_index mapping with SPAPR core based mapping do not
674 * error out if cpu thread and matched core have the same node-id */
675 if (slot->props.has_node_id &&
676 slot->props.node_id != props->node_id) {
677 error_setg(errp, "CPU is already assigned to node-id: %" PRId64,
678 slot->props.node_id);
679 return;
680 }
681
682 /* assign slot to node as it's matched '-numa cpu' key */
683 match = true;
684 slot->props.node_id = props->node_id;
685 slot->props.has_node_id = props->has_node_id;
686
687 if (machine->numa_state->hmat_enabled) {
688 if ((numa_info[props->node_id].initiator < MAX_NODES) &&
689 (props->node_id != numa_info[props->node_id].initiator)) {
690 error_setg(errp, "The initiator of CPU NUMA node %" PRId64
691 " should be itself", props->node_id);
692 return;
693 }
694 numa_info[props->node_id].has_cpu = true;
695 numa_info[props->node_id].initiator = props->node_id;
696 }
697 }
698
699 if (!match) {
700 error_setg(errp, "no match found");
701 }
702 }
703
704 static void smp_parse(MachineState *ms, QemuOpts *opts)
705 {
706 if (opts) {
707 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
708 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
709 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
710 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
711
712 /* compute missing values, prefer sockets over cores over threads */
713 if (cpus == 0 || sockets == 0) {
714 cores = cores > 0 ? cores : 1;
715 threads = threads > 0 ? threads : 1;
716 if (cpus == 0) {
717 sockets = sockets > 0 ? sockets : 1;
718 cpus = cores * threads * sockets;
719 } else {
720 ms->smp.max_cpus =
721 qemu_opt_get_number(opts, "maxcpus", cpus);
722 sockets = ms->smp.max_cpus / (cores * threads);
723 }
724 } else if (cores == 0) {
725 threads = threads > 0 ? threads : 1;
726 cores = cpus / (sockets * threads);
727 cores = cores > 0 ? cores : 1;
728 } else if (threads == 0) {
729 threads = cpus / (cores * sockets);
730 threads = threads > 0 ? threads : 1;
731 } else if (sockets * cores * threads < cpus) {
732 error_report("cpu topology: "
733 "sockets (%u) * cores (%u) * threads (%u) < "
734 "smp_cpus (%u)",
735 sockets, cores, threads, cpus);
736 exit(1);
737 }
738
739 ms->smp.max_cpus =
740 qemu_opt_get_number(opts, "maxcpus", cpus);
741
742 if (ms->smp.max_cpus < cpus) {
743 error_report("maxcpus must be equal to or greater than smp");
744 exit(1);
745 }
746
747 if (sockets * cores * threads > ms->smp.max_cpus) {
748 error_report("cpu topology: "
749 "sockets (%u) * cores (%u) * threads (%u) > "
750 "maxcpus (%u)",
751 sockets, cores, threads,
752 ms->smp.max_cpus);
753 exit(1);
754 }
755
756 if (sockets * cores * threads != ms->smp.max_cpus) {
757 warn_report("Invalid CPU topology deprecated: "
758 "sockets (%u) * cores (%u) * threads (%u) "
759 "!= maxcpus (%u)",
760 sockets, cores, threads,
761 ms->smp.max_cpus);
762 }
763
764 ms->smp.cpus = cpus;
765 ms->smp.cores = cores;
766 ms->smp.threads = threads;
767 ms->smp.sockets = sockets;
768 }
769
770 if (ms->smp.cpus > 1) {
771 Error *blocker = NULL;
772 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
773 replay_add_blocker(blocker);
774 }
775 }
776
777 static void machine_class_init(ObjectClass *oc, void *data)
778 {
779 MachineClass *mc = MACHINE_CLASS(oc);
780
781 /* Default 128 MB as guest ram size */
782 mc->default_ram_size = 128 * MiB;
783 mc->rom_file_has_mr = true;
784 mc->smp_parse = smp_parse;
785
786 /* numa node memory size aligned on 8MB by default.
787 * On Linux, each node's border has to be 8MB aligned
788 */
789 mc->numa_mem_align_shift = 23;
790 mc->numa_auto_assign_ram = numa_default_auto_assign_ram;
791
792 object_class_property_add_str(oc, "kernel",
793 machine_get_kernel, machine_set_kernel);
794 object_class_property_set_description(oc, "kernel",
795 "Linux kernel image file");
796
797 object_class_property_add_str(oc, "initrd",
798 machine_get_initrd, machine_set_initrd);
799 object_class_property_set_description(oc, "initrd",
800 "Linux initial ramdisk file");
801
802 object_class_property_add_str(oc, "append",
803 machine_get_append, machine_set_append);
804 object_class_property_set_description(oc, "append",
805 "Linux kernel command line");
806
807 object_class_property_add_str(oc, "dtb",
808 machine_get_dtb, machine_set_dtb);
809 object_class_property_set_description(oc, "dtb",
810 "Linux kernel device tree file");
811
812 object_class_property_add_str(oc, "dumpdtb",
813 machine_get_dumpdtb, machine_set_dumpdtb);
814 object_class_property_set_description(oc, "dumpdtb",
815 "Dump current dtb to a file and quit");
816
817 object_class_property_add(oc, "phandle-start", "int",
818 machine_get_phandle_start, machine_set_phandle_start,
819 NULL, NULL);
820 object_class_property_set_description(oc, "phandle-start",
821 "The first phandle ID we may generate dynamically");
822
823 object_class_property_add_str(oc, "dt-compatible",
824 machine_get_dt_compatible, machine_set_dt_compatible);
825 object_class_property_set_description(oc, "dt-compatible",
826 "Overrides the \"compatible\" property of the dt root node");
827
828 object_class_property_add_bool(oc, "dump-guest-core",
829 machine_get_dump_guest_core, machine_set_dump_guest_core);
830 object_class_property_set_description(oc, "dump-guest-core",
831 "Include guest memory in a core dump");
832
833 object_class_property_add_bool(oc, "mem-merge",
834 machine_get_mem_merge, machine_set_mem_merge);
835 object_class_property_set_description(oc, "mem-merge",
836 "Enable/disable memory merge support");
837
838 object_class_property_add_bool(oc, "usb",
839 machine_get_usb, machine_set_usb);
840 object_class_property_set_description(oc, "usb",
841 "Set on/off to enable/disable usb");
842
843 object_class_property_add_bool(oc, "graphics",
844 machine_get_graphics, machine_set_graphics);
845 object_class_property_set_description(oc, "graphics",
846 "Set on/off to enable/disable graphics emulation");
847
848 object_class_property_add_str(oc, "firmware",
849 machine_get_firmware, machine_set_firmware);
850 object_class_property_set_description(oc, "firmware",
851 "Firmware image");
852
853 object_class_property_add_bool(oc, "suppress-vmdesc",
854 machine_get_suppress_vmdesc, machine_set_suppress_vmdesc);
855 object_class_property_set_description(oc, "suppress-vmdesc",
856 "Set on to disable self-describing migration");
857
858 object_class_property_add_bool(oc, "enforce-config-section",
859 machine_get_enforce_config_section, machine_set_enforce_config_section);
860 object_class_property_set_description(oc, "enforce-config-section",
861 "Set on to enforce configuration section migration");
862
863 object_class_property_add_str(oc, "memory-encryption",
864 machine_get_memory_encryption, machine_set_memory_encryption);
865 object_class_property_set_description(oc, "memory-encryption",
866 "Set memory encryption object to use");
867 }
868
869 static void machine_class_base_init(ObjectClass *oc, void *data)
870 {
871 if (!object_class_is_abstract(oc)) {
872 MachineClass *mc = MACHINE_CLASS(oc);
873 const char *cname = object_class_get_name(oc);
874 assert(g_str_has_suffix(cname, TYPE_MACHINE_SUFFIX));
875 mc->name = g_strndup(cname,
876 strlen(cname) - strlen(TYPE_MACHINE_SUFFIX));
877 mc->compat_props = g_ptr_array_new();
878 }
879 }
880
881 static void machine_initfn(Object *obj)
882 {
883 MachineState *ms = MACHINE(obj);
884 MachineClass *mc = MACHINE_GET_CLASS(obj);
885
886 ms->dump_guest_core = true;
887 ms->mem_merge = true;
888 ms->enable_graphics = true;
889
890 if (mc->nvdimm_supported) {
891 Object *obj = OBJECT(ms);
892
893 ms->nvdimms_state = g_new0(NVDIMMState, 1);
894 object_property_add_bool(obj, "nvdimm",
895 machine_get_nvdimm, machine_set_nvdimm);
896 object_property_set_description(obj, "nvdimm",
897 "Set on/off to enable/disable "
898 "NVDIMM instantiation");
899
900 object_property_add_str(obj, "nvdimm-persistence",
901 machine_get_nvdimm_persistence,
902 machine_set_nvdimm_persistence);
903 object_property_set_description(obj, "nvdimm-persistence",
904 "Set NVDIMM persistence"
905 "Valid values are cpu, mem-ctrl");
906 }
907
908 if (mc->cpu_index_to_instance_props && mc->get_default_cpu_node_id) {
909 ms->numa_state = g_new0(NumaState, 1);
910 object_property_add_bool(obj, "hmat",
911 machine_get_hmat, machine_set_hmat);
912 object_property_set_description(obj, "hmat",
913 "Set on/off to enable/disable "
914 "ACPI Heterogeneous Memory Attribute "
915 "Table (HMAT)");
916 }
917
918 object_property_add_str(obj, "memory-backend",
919 machine_get_memdev, machine_set_memdev);
920 object_property_set_description(obj, "memory-backend",
921 "Set RAM backend"
922 "Valid value is ID of hostmem based backend");
923
924 /* Register notifier when init is done for sysbus sanity checks */
925 ms->sysbus_notifier.notify = machine_init_notify;
926 qemu_add_machine_init_done_notifier(&ms->sysbus_notifier);
927 }
928
929 static void machine_finalize(Object *obj)
930 {
931 MachineState *ms = MACHINE(obj);
932
933 g_free(ms->kernel_filename);
934 g_free(ms->initrd_filename);
935 g_free(ms->kernel_cmdline);
936 g_free(ms->dtb);
937 g_free(ms->dumpdtb);
938 g_free(ms->dt_compatible);
939 g_free(ms->firmware);
940 g_free(ms->device_memory);
941 g_free(ms->nvdimms_state);
942 g_free(ms->numa_state);
943 }
944
945 bool machine_usb(MachineState *machine)
946 {
947 return machine->usb;
948 }
949
950 int machine_phandle_start(MachineState *machine)
951 {
952 return machine->phandle_start;
953 }
954
955 bool machine_dump_guest_core(MachineState *machine)
956 {
957 return machine->dump_guest_core;
958 }
959
960 bool machine_mem_merge(MachineState *machine)
961 {
962 return machine->mem_merge;
963 }
964
965 static char *cpu_slot_to_string(const CPUArchId *cpu)
966 {
967 GString *s = g_string_new(NULL);
968 if (cpu->props.has_socket_id) {
969 g_string_append_printf(s, "socket-id: %"PRId64, cpu->props.socket_id);
970 }
971 if (cpu->props.has_die_id) {
972 g_string_append_printf(s, "die-id: %"PRId64, cpu->props.die_id);
973 }
974 if (cpu->props.has_core_id) {
975 if (s->len) {
976 g_string_append_printf(s, ", ");
977 }
978 g_string_append_printf(s, "core-id: %"PRId64, cpu->props.core_id);
979 }
980 if (cpu->props.has_thread_id) {
981 if (s->len) {
982 g_string_append_printf(s, ", ");
983 }
984 g_string_append_printf(s, "thread-id: %"PRId64, cpu->props.thread_id);
985 }
986 return g_string_free(s, false);
987 }
988
989 static void numa_validate_initiator(NumaState *numa_state)
990 {
991 int i;
992 NodeInfo *numa_info = numa_state->nodes;
993
994 for (i = 0; i < numa_state->num_nodes; i++) {
995 if (numa_info[i].initiator == MAX_NODES) {
996 error_report("The initiator of NUMA node %d is missing, use "
997 "'-numa node,initiator' option to declare it", i);
998 exit(1);
999 }
1000
1001 if (!numa_info[numa_info[i].initiator].present) {
1002 error_report("NUMA node %" PRIu16 " is missing, use "
1003 "'-numa node' option to declare it first",
1004 numa_info[i].initiator);
1005 exit(1);
1006 }
1007
1008 if (!numa_info[numa_info[i].initiator].has_cpu) {
1009 error_report("The initiator of NUMA node %d is invalid", i);
1010 exit(1);
1011 }
1012 }
1013 }
1014
1015 static void machine_numa_finish_cpu_init(MachineState *machine)
1016 {
1017 int i;
1018 bool default_mapping;
1019 GString *s = g_string_new(NULL);
1020 MachineClass *mc = MACHINE_GET_CLASS(machine);
1021 const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(machine);
1022
1023 assert(machine->numa_state->num_nodes);
1024 for (i = 0; i < possible_cpus->len; i++) {
1025 if (possible_cpus->cpus[i].props.has_node_id) {
1026 break;
1027 }
1028 }
1029 default_mapping = (i == possible_cpus->len);
1030
1031 for (i = 0; i < possible_cpus->len; i++) {
1032 const CPUArchId *cpu_slot = &possible_cpus->cpus[i];
1033
1034 if (!cpu_slot->props.has_node_id) {
1035 /* fetch default mapping from board and enable it */
1036 CpuInstanceProperties props = cpu_slot->props;
1037
1038 props.node_id = mc->get_default_cpu_node_id(machine, i);
1039 if (!default_mapping) {
1040 /* record slots with not set mapping,
1041 * TODO: make it hard error in future */
1042 char *cpu_str = cpu_slot_to_string(cpu_slot);
1043 g_string_append_printf(s, "%sCPU %d [%s]",
1044 s->len ? ", " : "", i, cpu_str);
1045 g_free(cpu_str);
1046
1047 /* non mapped cpus used to fallback to node 0 */
1048 props.node_id = 0;
1049 }
1050
1051 props.has_node_id = true;
1052 machine_set_cpu_numa_node(machine, &props, &error_fatal);
1053 }
1054 }
1055
1056 if (machine->numa_state->hmat_enabled) {
1057 numa_validate_initiator(machine->numa_state);
1058 }
1059
1060 if (s->len && !qtest_enabled()) {
1061 warn_report("CPU(s) not present in any NUMA nodes: %s",
1062 s->str);
1063 warn_report("All CPU(s) up to maxcpus should be described "
1064 "in NUMA config, ability to start up with partial NUMA "
1065 "mappings is obsoleted and will be removed in future");
1066 }
1067 g_string_free(s, true);
1068 }
1069
1070 MemoryRegion *machine_consume_memdev(MachineState *machine,
1071 HostMemoryBackend *backend)
1072 {
1073 MemoryRegion *ret = host_memory_backend_get_memory(backend);
1074
1075 if (memory_region_is_mapped(ret)) {
1076 char *path = object_get_canonical_path_component(OBJECT(backend));
1077 error_report("memory backend %s can't be used multiple times.", path);
1078 g_free(path);
1079 exit(EXIT_FAILURE);
1080 }
1081 host_memory_backend_set_mapped(backend, true);
1082 vmstate_register_ram_global(ret);
1083 return ret;
1084 }
1085
1086 void machine_run_board_init(MachineState *machine)
1087 {
1088 MachineClass *machine_class = MACHINE_GET_CLASS(machine);
1089
1090 if (machine->ram_memdev_id) {
1091 Object *o;
1092 o = object_resolve_path_type(machine->ram_memdev_id,
1093 TYPE_MEMORY_BACKEND, NULL);
1094 machine->ram = machine_consume_memdev(machine, MEMORY_BACKEND(o));
1095 }
1096
1097 if (machine->numa_state) {
1098 numa_complete_configuration(machine);
1099 if (machine->numa_state->num_nodes) {
1100 machine_numa_finish_cpu_init(machine);
1101 }
1102 }
1103
1104 /* If the machine supports the valid_cpu_types check and the user
1105 * specified a CPU with -cpu check here that the user CPU is supported.
1106 */
1107 if (machine_class->valid_cpu_types && machine->cpu_type) {
1108 ObjectClass *class = object_class_by_name(machine->cpu_type);
1109 int i;
1110
1111 for (i = 0; machine_class->valid_cpu_types[i]; i++) {
1112 if (object_class_dynamic_cast(class,
1113 machine_class->valid_cpu_types[i])) {
1114 /* The user specificed CPU is in the valid field, we are
1115 * good to go.
1116 */
1117 break;
1118 }
1119 }
1120
1121 if (!machine_class->valid_cpu_types[i]) {
1122 /* The user specified CPU is not valid */
1123 error_report("Invalid CPU type: %s", machine->cpu_type);
1124 error_printf("The valid types are: %s",
1125 machine_class->valid_cpu_types[0]);
1126 for (i = 1; machine_class->valid_cpu_types[i]; i++) {
1127 error_printf(", %s", machine_class->valid_cpu_types[i]);
1128 }
1129 error_printf("\n");
1130
1131 exit(1);
1132 }
1133 }
1134
1135 machine_class->init(machine);
1136 }
1137
1138 static const TypeInfo machine_info = {
1139 .name = TYPE_MACHINE,
1140 .parent = TYPE_OBJECT,
1141 .abstract = true,
1142 .class_size = sizeof(MachineClass),
1143 .class_init = machine_class_init,
1144 .class_base_init = machine_class_base_init,
1145 .instance_size = sizeof(MachineState),
1146 .instance_init = machine_initfn,
1147 .instance_finalize = machine_finalize,
1148 };
1149
1150 static void machine_register_types(void)
1151 {
1152 type_register_static(&machine_info);
1153 }
1154
1155 type_init(machine_register_types)