usb-redir: remove 'remote wakeup' flag from configuration descriptor
[qemu/ar7.git] / hw / core / machine.c
blob3e288bfceb7f54af4858b4a663ee07cfdf100893
1 /*
2 * QEMU Machine
4 * Copyright (C) 2014 Red Hat Inc
6 * Authors:
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 "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"
30 GlobalProperty hw_compat_4_2[] = {
31 { "virtio-blk-device", "x-enable-wce-if-config-wce", "off" },
32 { "virtio-blk-device", "seg-max-adjust", "off"},
33 { "virtio-scsi-device", "seg_max_adjust", "off"},
34 { "vhost-blk-device", "seg_max_adjust", "off"},
35 { "usb-host", "suppress-remote-wake", "off" },
36 { "usb-redir", "suppress-remote-wake", "off" },
38 const size_t hw_compat_4_2_len = G_N_ELEMENTS(hw_compat_4_2);
40 GlobalProperty hw_compat_4_1[] = {
41 { "virtio-pci", "x-pcie-flr-init", "off" },
42 { "virtio-device", "use-disabled-flag", "false" },
44 const size_t hw_compat_4_1_len = G_N_ELEMENTS(hw_compat_4_1);
46 GlobalProperty hw_compat_4_0[] = {
47 { "VGA", "edid", "false" },
48 { "secondary-vga", "edid", "false" },
49 { "bochs-display", "edid", "false" },
50 { "virtio-vga", "edid", "false" },
51 { "virtio-gpu", "edid", "false" },
52 { "virtio-device", "use-started", "false" },
53 { "virtio-balloon-device", "qemu-4-0-config-size", "true" },
54 { "pl031", "migrate-tick-offset", "false" },
56 const size_t hw_compat_4_0_len = G_N_ELEMENTS(hw_compat_4_0);
58 GlobalProperty hw_compat_3_1[] = {
59 { "pcie-root-port", "x-speed", "2_5" },
60 { "pcie-root-port", "x-width", "1" },
61 { "memory-backend-file", "x-use-canonical-path-for-ramblock-id", "true" },
62 { "memory-backend-memfd", "x-use-canonical-path-for-ramblock-id", "true" },
63 { "tpm-crb", "ppi", "false" },
64 { "tpm-tis", "ppi", "false" },
65 { "usb-kbd", "serial", "42" },
66 { "usb-mouse", "serial", "42" },
67 { "usb-tablet", "serial", "42" },
68 { "virtio-blk-device", "discard", "false" },
69 { "virtio-blk-device", "write-zeroes", "false" },
70 { "virtio-balloon-device", "qemu-4-0-config-size", "false" },
71 { "pcie-root-port-base", "disable-acs", "true" }, /* Added in 4.1 */
73 const size_t hw_compat_3_1_len = G_N_ELEMENTS(hw_compat_3_1);
75 GlobalProperty hw_compat_3_0[] = {};
76 const size_t hw_compat_3_0_len = G_N_ELEMENTS(hw_compat_3_0);
78 GlobalProperty hw_compat_2_12[] = {
79 { "migration", "decompress-error-check", "off" },
80 { "hda-audio", "use-timer", "false" },
81 { "cirrus-vga", "global-vmstate", "true" },
82 { "VGA", "global-vmstate", "true" },
83 { "vmware-svga", "global-vmstate", "true" },
84 { "qxl-vga", "global-vmstate", "true" },
86 const size_t hw_compat_2_12_len = G_N_ELEMENTS(hw_compat_2_12);
88 GlobalProperty hw_compat_2_11[] = {
89 { "hpet", "hpet-offset-saved", "false" },
90 { "virtio-blk-pci", "vectors", "2" },
91 { "vhost-user-blk-pci", "vectors", "2" },
92 { "e1000", "migrate_tso_props", "off" },
94 const size_t hw_compat_2_11_len = G_N_ELEMENTS(hw_compat_2_11);
96 GlobalProperty hw_compat_2_10[] = {
97 { "virtio-mouse-device", "wheel-axis", "false" },
98 { "virtio-tablet-device", "wheel-axis", "false" },
100 const size_t hw_compat_2_10_len = G_N_ELEMENTS(hw_compat_2_10);
102 GlobalProperty hw_compat_2_9[] = {
103 { "pci-bridge", "shpc", "off" },
104 { "intel-iommu", "pt", "off" },
105 { "virtio-net-device", "x-mtu-bypass-backend", "off" },
106 { "pcie-root-port", "x-migrate-msix", "false" },
108 const size_t hw_compat_2_9_len = G_N_ELEMENTS(hw_compat_2_9);
110 GlobalProperty hw_compat_2_8[] = {
111 { "fw_cfg_mem", "x-file-slots", "0x10" },
112 { "fw_cfg_io", "x-file-slots", "0x10" },
113 { "pflash_cfi01", "old-multiple-chip-handling", "on" },
114 { "pci-bridge", "shpc", "on" },
115 { TYPE_PCI_DEVICE, "x-pcie-extcap-init", "off" },
116 { "virtio-pci", "x-pcie-deverr-init", "off" },
117 { "virtio-pci", "x-pcie-lnkctl-init", "off" },
118 { "virtio-pci", "x-pcie-pm-init", "off" },
119 { "cirrus-vga", "vgamem_mb", "8" },
120 { "isa-cirrus-vga", "vgamem_mb", "8" },
122 const size_t hw_compat_2_8_len = G_N_ELEMENTS(hw_compat_2_8);
124 GlobalProperty hw_compat_2_7[] = {
125 { "virtio-pci", "page-per-vq", "on" },
126 { "virtio-serial-device", "emergency-write", "off" },
127 { "ioapic", "version", "0x11" },
128 { "intel-iommu", "x-buggy-eim", "true" },
129 { "virtio-pci", "x-ignore-backend-features", "on" },
131 const size_t hw_compat_2_7_len = G_N_ELEMENTS(hw_compat_2_7);
133 GlobalProperty hw_compat_2_6[] = {
134 { "virtio-mmio", "format_transport_address", "off" },
135 /* Optional because not all virtio-pci devices support legacy mode */
136 { "virtio-pci", "disable-modern", "on", .optional = true },
137 { "virtio-pci", "disable-legacy", "off", .optional = true },
139 const size_t hw_compat_2_6_len = G_N_ELEMENTS(hw_compat_2_6);
141 GlobalProperty hw_compat_2_5[] = {
142 { "isa-fdc", "fallback", "144" },
143 { "pvscsi", "x-old-pci-configuration", "on" },
144 { "pvscsi", "x-disable-pcie", "on" },
145 { "vmxnet3", "x-old-msi-offsets", "on" },
146 { "vmxnet3", "x-disable-pcie", "on" },
148 const size_t hw_compat_2_5_len = G_N_ELEMENTS(hw_compat_2_5);
150 GlobalProperty hw_compat_2_4[] = {
151 { "virtio-blk-device", "scsi", "true" },
152 { "e1000", "extra_mac_registers", "off" },
153 { "virtio-pci", "x-disable-pcie", "on" },
154 { "virtio-pci", "migrate-extra", "off" },
155 { "fw_cfg_mem", "dma_enabled", "off" },
156 { "fw_cfg_io", "dma_enabled", "off" }
158 const size_t hw_compat_2_4_len = G_N_ELEMENTS(hw_compat_2_4);
160 GlobalProperty hw_compat_2_3[] = {
161 { "virtio-blk-pci", "any_layout", "off" },
162 { "virtio-balloon-pci", "any_layout", "off" },
163 { "virtio-serial-pci", "any_layout", "off" },
164 { "virtio-9p-pci", "any_layout", "off" },
165 { "virtio-rng-pci", "any_layout", "off" },
166 { TYPE_PCI_DEVICE, "x-pcie-lnksta-dllla", "off" },
167 { "migration", "send-configuration", "off" },
168 { "migration", "send-section-footer", "off" },
169 { "migration", "store-global-state", "off" },
171 const size_t hw_compat_2_3_len = G_N_ELEMENTS(hw_compat_2_3);
173 GlobalProperty hw_compat_2_2[] = {};
174 const size_t hw_compat_2_2_len = G_N_ELEMENTS(hw_compat_2_2);
176 GlobalProperty hw_compat_2_1[] = {
177 { "intel-hda", "old_msi_addr", "on" },
178 { "VGA", "qemu-extended-regs", "off" },
179 { "secondary-vga", "qemu-extended-regs", "off" },
180 { "virtio-scsi-pci", "any_layout", "off" },
181 { "usb-mouse", "usb_version", "1" },
182 { "usb-kbd", "usb_version", "1" },
183 { "virtio-pci", "virtio-pci-bus-master-bug-migration", "on" },
185 const size_t hw_compat_2_1_len = G_N_ELEMENTS(hw_compat_2_1);
187 static char *machine_get_kernel(Object *obj, Error **errp)
189 MachineState *ms = MACHINE(obj);
191 return g_strdup(ms->kernel_filename);
194 static void machine_set_kernel(Object *obj, const char *value, Error **errp)
196 MachineState *ms = MACHINE(obj);
198 g_free(ms->kernel_filename);
199 ms->kernel_filename = g_strdup(value);
202 static char *machine_get_initrd(Object *obj, Error **errp)
204 MachineState *ms = MACHINE(obj);
206 return g_strdup(ms->initrd_filename);
209 static void machine_set_initrd(Object *obj, const char *value, Error **errp)
211 MachineState *ms = MACHINE(obj);
213 g_free(ms->initrd_filename);
214 ms->initrd_filename = g_strdup(value);
217 static char *machine_get_append(Object *obj, Error **errp)
219 MachineState *ms = MACHINE(obj);
221 return g_strdup(ms->kernel_cmdline);
224 static void machine_set_append(Object *obj, const char *value, Error **errp)
226 MachineState *ms = MACHINE(obj);
228 g_free(ms->kernel_cmdline);
229 ms->kernel_cmdline = g_strdup(value);
232 static char *machine_get_dtb(Object *obj, Error **errp)
234 MachineState *ms = MACHINE(obj);
236 return g_strdup(ms->dtb);
239 static void machine_set_dtb(Object *obj, const char *value, Error **errp)
241 MachineState *ms = MACHINE(obj);
243 g_free(ms->dtb);
244 ms->dtb = g_strdup(value);
247 static char *machine_get_dumpdtb(Object *obj, Error **errp)
249 MachineState *ms = MACHINE(obj);
251 return g_strdup(ms->dumpdtb);
254 static void machine_set_dumpdtb(Object *obj, const char *value, Error **errp)
256 MachineState *ms = MACHINE(obj);
258 g_free(ms->dumpdtb);
259 ms->dumpdtb = g_strdup(value);
262 static void machine_get_phandle_start(Object *obj, Visitor *v,
263 const char *name, void *opaque,
264 Error **errp)
266 MachineState *ms = MACHINE(obj);
267 int64_t value = ms->phandle_start;
269 visit_type_int(v, name, &value, errp);
272 static void machine_set_phandle_start(Object *obj, Visitor *v,
273 const char *name, void *opaque,
274 Error **errp)
276 MachineState *ms = MACHINE(obj);
277 Error *error = NULL;
278 int64_t value;
280 visit_type_int(v, name, &value, &error);
281 if (error) {
282 error_propagate(errp, error);
283 return;
286 ms->phandle_start = value;
289 static char *machine_get_dt_compatible(Object *obj, Error **errp)
291 MachineState *ms = MACHINE(obj);
293 return g_strdup(ms->dt_compatible);
296 static void machine_set_dt_compatible(Object *obj, const char *value, Error **errp)
298 MachineState *ms = MACHINE(obj);
300 g_free(ms->dt_compatible);
301 ms->dt_compatible = g_strdup(value);
304 static bool machine_get_dump_guest_core(Object *obj, Error **errp)
306 MachineState *ms = MACHINE(obj);
308 return ms->dump_guest_core;
311 static void machine_set_dump_guest_core(Object *obj, bool value, Error **errp)
313 MachineState *ms = MACHINE(obj);
315 ms->dump_guest_core = value;
318 static bool machine_get_mem_merge(Object *obj, Error **errp)
320 MachineState *ms = MACHINE(obj);
322 return ms->mem_merge;
325 static void machine_set_mem_merge(Object *obj, bool value, Error **errp)
327 MachineState *ms = MACHINE(obj);
329 ms->mem_merge = value;
332 static bool machine_get_usb(Object *obj, Error **errp)
334 MachineState *ms = MACHINE(obj);
336 return ms->usb;
339 static void machine_set_usb(Object *obj, bool value, Error **errp)
341 MachineState *ms = MACHINE(obj);
343 ms->usb = value;
344 ms->usb_disabled = !value;
347 static bool machine_get_graphics(Object *obj, Error **errp)
349 MachineState *ms = MACHINE(obj);
351 return ms->enable_graphics;
354 static void machine_set_graphics(Object *obj, bool value, Error **errp)
356 MachineState *ms = MACHINE(obj);
358 ms->enable_graphics = value;
361 static char *machine_get_firmware(Object *obj, Error **errp)
363 MachineState *ms = MACHINE(obj);
365 return g_strdup(ms->firmware);
368 static void machine_set_firmware(Object *obj, const char *value, Error **errp)
370 MachineState *ms = MACHINE(obj);
372 g_free(ms->firmware);
373 ms->firmware = g_strdup(value);
376 static void machine_set_suppress_vmdesc(Object *obj, bool value, Error **errp)
378 MachineState *ms = MACHINE(obj);
380 ms->suppress_vmdesc = value;
383 static bool machine_get_suppress_vmdesc(Object *obj, Error **errp)
385 MachineState *ms = MACHINE(obj);
387 return ms->suppress_vmdesc;
390 static void machine_set_enforce_config_section(Object *obj, bool value,
391 Error **errp)
393 MachineState *ms = MACHINE(obj);
395 warn_report("enforce-config-section is deprecated, please use "
396 "-global migration.send-configuration=on|off instead");
398 ms->enforce_config_section = value;
401 static bool machine_get_enforce_config_section(Object *obj, Error **errp)
403 MachineState *ms = MACHINE(obj);
405 return ms->enforce_config_section;
408 static char *machine_get_memory_encryption(Object *obj, Error **errp)
410 MachineState *ms = MACHINE(obj);
412 return g_strdup(ms->memory_encryption);
415 static void machine_set_memory_encryption(Object *obj, const char *value,
416 Error **errp)
418 MachineState *ms = MACHINE(obj);
420 g_free(ms->memory_encryption);
421 ms->memory_encryption = g_strdup(value);
424 static bool machine_get_nvdimm(Object *obj, Error **errp)
426 MachineState *ms = MACHINE(obj);
428 return ms->nvdimms_state->is_enabled;
431 static void machine_set_nvdimm(Object *obj, bool value, Error **errp)
433 MachineState *ms = MACHINE(obj);
435 ms->nvdimms_state->is_enabled = value;
438 static bool machine_get_hmat(Object *obj, Error **errp)
440 MachineState *ms = MACHINE(obj);
442 return ms->numa_state->hmat_enabled;
445 static void machine_set_hmat(Object *obj, bool value, Error **errp)
447 MachineState *ms = MACHINE(obj);
449 ms->numa_state->hmat_enabled = value;
452 static char *machine_get_nvdimm_persistence(Object *obj, Error **errp)
454 MachineState *ms = MACHINE(obj);
456 return g_strdup(ms->nvdimms_state->persistence_string);
459 static void machine_set_nvdimm_persistence(Object *obj, const char *value,
460 Error **errp)
462 MachineState *ms = MACHINE(obj);
463 NVDIMMState *nvdimms_state = ms->nvdimms_state;
465 if (strcmp(value, "cpu") == 0) {
466 nvdimms_state->persistence = 3;
467 } else if (strcmp(value, "mem-ctrl") == 0) {
468 nvdimms_state->persistence = 2;
469 } else {
470 error_setg(errp, "-machine nvdimm-persistence=%s: unsupported option",
471 value);
472 return;
475 g_free(nvdimms_state->persistence_string);
476 nvdimms_state->persistence_string = g_strdup(value);
479 void machine_class_allow_dynamic_sysbus_dev(MachineClass *mc, const char *type)
481 strList *item = g_new0(strList, 1);
483 item->value = g_strdup(type);
484 item->next = mc->allowed_dynamic_sysbus_devices;
485 mc->allowed_dynamic_sysbus_devices = item;
488 static void validate_sysbus_device(SysBusDevice *sbdev, void *opaque)
490 MachineState *machine = opaque;
491 MachineClass *mc = MACHINE_GET_CLASS(machine);
492 bool allowed = false;
493 strList *wl;
495 for (wl = mc->allowed_dynamic_sysbus_devices;
496 !allowed && wl;
497 wl = wl->next) {
498 allowed |= !!object_dynamic_cast(OBJECT(sbdev), wl->value);
501 if (!allowed) {
502 error_report("Option '-device %s' cannot be handled by this machine",
503 object_class_get_name(object_get_class(OBJECT(sbdev))));
504 exit(1);
508 static void machine_init_notify(Notifier *notifier, void *data)
510 MachineState *machine = MACHINE(qdev_get_machine());
513 * Loop through all dynamically created sysbus devices and check if they are
514 * all allowed. If a device is not allowed, error out.
516 foreach_dynamic_sysbus_device(validate_sysbus_device, machine);
519 HotpluggableCPUList *machine_query_hotpluggable_cpus(MachineState *machine)
521 int i;
522 HotpluggableCPUList *head = NULL;
523 MachineClass *mc = MACHINE_GET_CLASS(machine);
525 /* force board to initialize possible_cpus if it hasn't been done yet */
526 mc->possible_cpu_arch_ids(machine);
528 for (i = 0; i < machine->possible_cpus->len; i++) {
529 Object *cpu;
530 HotpluggableCPUList *list_item = g_new0(typeof(*list_item), 1);
531 HotpluggableCPU *cpu_item = g_new0(typeof(*cpu_item), 1);
533 cpu_item->type = g_strdup(machine->possible_cpus->cpus[i].type);
534 cpu_item->vcpus_count = machine->possible_cpus->cpus[i].vcpus_count;
535 cpu_item->props = g_memdup(&machine->possible_cpus->cpus[i].props,
536 sizeof(*cpu_item->props));
538 cpu = machine->possible_cpus->cpus[i].cpu;
539 if (cpu) {
540 cpu_item->has_qom_path = true;
541 cpu_item->qom_path = object_get_canonical_path(cpu);
543 list_item->value = cpu_item;
544 list_item->next = head;
545 head = list_item;
547 return head;
551 * machine_set_cpu_numa_node:
552 * @machine: machine object to modify
553 * @props: specifies which cpu objects to assign to
554 * numa node specified by @props.node_id
555 * @errp: if an error occurs, a pointer to an area to store the error
557 * Associate NUMA node specified by @props.node_id with cpu slots that
558 * match socket/core/thread-ids specified by @props. It's recommended to use
559 * query-hotpluggable-cpus.props values to specify affected cpu slots,
560 * which would lead to exact 1:1 mapping of cpu slots to NUMA node.
562 * However for CLI convenience it's possible to pass in subset of properties,
563 * which would affect all cpu slots that match it.
564 * Ex for pc machine:
565 * -smp 4,cores=2,sockets=2 -numa node,nodeid=0 -numa node,nodeid=1 \
566 * -numa cpu,node-id=0,socket_id=0 \
567 * -numa cpu,node-id=1,socket_id=1
568 * will assign all child cores of socket 0 to node 0 and
569 * of socket 1 to node 1.
571 * On attempt of reassigning (already assigned) cpu slot to another NUMA node,
572 * return error.
573 * Empty subset is disallowed and function will return with error in this case.
575 void machine_set_cpu_numa_node(MachineState *machine,
576 const CpuInstanceProperties *props, Error **errp)
578 MachineClass *mc = MACHINE_GET_CLASS(machine);
579 NodeInfo *numa_info = machine->numa_state->nodes;
580 bool match = false;
581 int i;
583 if (!mc->possible_cpu_arch_ids) {
584 error_setg(errp, "mapping of CPUs to NUMA node is not supported");
585 return;
588 /* disabling node mapping is not supported, forbid it */
589 assert(props->has_node_id);
591 /* force board to initialize possible_cpus if it hasn't been done yet */
592 mc->possible_cpu_arch_ids(machine);
594 for (i = 0; i < machine->possible_cpus->len; i++) {
595 CPUArchId *slot = &machine->possible_cpus->cpus[i];
597 /* reject unsupported by board properties */
598 if (props->has_thread_id && !slot->props.has_thread_id) {
599 error_setg(errp, "thread-id is not supported");
600 return;
603 if (props->has_core_id && !slot->props.has_core_id) {
604 error_setg(errp, "core-id is not supported");
605 return;
608 if (props->has_socket_id && !slot->props.has_socket_id) {
609 error_setg(errp, "socket-id is not supported");
610 return;
613 if (props->has_die_id && !slot->props.has_die_id) {
614 error_setg(errp, "die-id is not supported");
615 return;
618 /* skip slots with explicit mismatch */
619 if (props->has_thread_id && props->thread_id != slot->props.thread_id) {
620 continue;
623 if (props->has_core_id && props->core_id != slot->props.core_id) {
624 continue;
627 if (props->has_die_id && props->die_id != slot->props.die_id) {
628 continue;
631 if (props->has_socket_id && props->socket_id != slot->props.socket_id) {
632 continue;
635 /* reject assignment if slot is already assigned, for compatibility
636 * of legacy cpu_index mapping with SPAPR core based mapping do not
637 * error out if cpu thread and matched core have the same node-id */
638 if (slot->props.has_node_id &&
639 slot->props.node_id != props->node_id) {
640 error_setg(errp, "CPU is already assigned to node-id: %" PRId64,
641 slot->props.node_id);
642 return;
645 /* assign slot to node as it's matched '-numa cpu' key */
646 match = true;
647 slot->props.node_id = props->node_id;
648 slot->props.has_node_id = props->has_node_id;
650 if (machine->numa_state->hmat_enabled) {
651 if ((numa_info[props->node_id].initiator < MAX_NODES) &&
652 (props->node_id != numa_info[props->node_id].initiator)) {
653 error_setg(errp, "The initiator of CPU NUMA node %" PRId64
654 " should be itself", props->node_id);
655 return;
657 numa_info[props->node_id].has_cpu = true;
658 numa_info[props->node_id].initiator = props->node_id;
662 if (!match) {
663 error_setg(errp, "no match found");
667 static void smp_parse(MachineState *ms, QemuOpts *opts)
669 if (opts) {
670 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
671 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
672 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
673 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
675 /* compute missing values, prefer sockets over cores over threads */
676 if (cpus == 0 || sockets == 0) {
677 cores = cores > 0 ? cores : 1;
678 threads = threads > 0 ? threads : 1;
679 if (cpus == 0) {
680 sockets = sockets > 0 ? sockets : 1;
681 cpus = cores * threads * sockets;
682 } else {
683 ms->smp.max_cpus =
684 qemu_opt_get_number(opts, "maxcpus", cpus);
685 sockets = ms->smp.max_cpus / (cores * threads);
687 } else if (cores == 0) {
688 threads = threads > 0 ? threads : 1;
689 cores = cpus / (sockets * threads);
690 cores = cores > 0 ? cores : 1;
691 } else if (threads == 0) {
692 threads = cpus / (cores * sockets);
693 threads = threads > 0 ? threads : 1;
694 } else if (sockets * cores * threads < cpus) {
695 error_report("cpu topology: "
696 "sockets (%u) * cores (%u) * threads (%u) < "
697 "smp_cpus (%u)",
698 sockets, cores, threads, cpus);
699 exit(1);
702 ms->smp.max_cpus =
703 qemu_opt_get_number(opts, "maxcpus", cpus);
705 if (ms->smp.max_cpus < cpus) {
706 error_report("maxcpus must be equal to or greater than smp");
707 exit(1);
710 if (sockets * cores * threads > ms->smp.max_cpus) {
711 error_report("cpu topology: "
712 "sockets (%u) * cores (%u) * threads (%u) > "
713 "maxcpus (%u)",
714 sockets, cores, threads,
715 ms->smp.max_cpus);
716 exit(1);
719 if (sockets * cores * threads != ms->smp.max_cpus) {
720 warn_report("Invalid CPU topology deprecated: "
721 "sockets (%u) * cores (%u) * threads (%u) "
722 "!= maxcpus (%u)",
723 sockets, cores, threads,
724 ms->smp.max_cpus);
727 ms->smp.cpus = cpus;
728 ms->smp.cores = cores;
729 ms->smp.threads = threads;
732 if (ms->smp.cpus > 1) {
733 Error *blocker = NULL;
734 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
735 replay_add_blocker(blocker);
739 static void machine_class_init(ObjectClass *oc, void *data)
741 MachineClass *mc = MACHINE_CLASS(oc);
743 /* Default 128 MB as guest ram size */
744 mc->default_ram_size = 128 * MiB;
745 mc->rom_file_has_mr = true;
746 mc->smp_parse = smp_parse;
748 /* numa node memory size aligned on 8MB by default.
749 * On Linux, each node's border has to be 8MB aligned
751 mc->numa_mem_align_shift = 23;
752 mc->numa_auto_assign_ram = numa_default_auto_assign_ram;
754 object_class_property_add_str(oc, "kernel",
755 machine_get_kernel, machine_set_kernel, &error_abort);
756 object_class_property_set_description(oc, "kernel",
757 "Linux kernel image file", &error_abort);
759 object_class_property_add_str(oc, "initrd",
760 machine_get_initrd, machine_set_initrd, &error_abort);
761 object_class_property_set_description(oc, "initrd",
762 "Linux initial ramdisk file", &error_abort);
764 object_class_property_add_str(oc, "append",
765 machine_get_append, machine_set_append, &error_abort);
766 object_class_property_set_description(oc, "append",
767 "Linux kernel command line", &error_abort);
769 object_class_property_add_str(oc, "dtb",
770 machine_get_dtb, machine_set_dtb, &error_abort);
771 object_class_property_set_description(oc, "dtb",
772 "Linux kernel device tree file", &error_abort);
774 object_class_property_add_str(oc, "dumpdtb",
775 machine_get_dumpdtb, machine_set_dumpdtb, &error_abort);
776 object_class_property_set_description(oc, "dumpdtb",
777 "Dump current dtb to a file and quit", &error_abort);
779 object_class_property_add(oc, "phandle-start", "int",
780 machine_get_phandle_start, machine_set_phandle_start,
781 NULL, NULL, &error_abort);
782 object_class_property_set_description(oc, "phandle-start",
783 "The first phandle ID we may generate dynamically", &error_abort);
785 object_class_property_add_str(oc, "dt-compatible",
786 machine_get_dt_compatible, machine_set_dt_compatible, &error_abort);
787 object_class_property_set_description(oc, "dt-compatible",
788 "Overrides the \"compatible\" property of the dt root node",
789 &error_abort);
791 object_class_property_add_bool(oc, "dump-guest-core",
792 machine_get_dump_guest_core, machine_set_dump_guest_core, &error_abort);
793 object_class_property_set_description(oc, "dump-guest-core",
794 "Include guest memory in a core dump", &error_abort);
796 object_class_property_add_bool(oc, "mem-merge",
797 machine_get_mem_merge, machine_set_mem_merge, &error_abort);
798 object_class_property_set_description(oc, "mem-merge",
799 "Enable/disable memory merge support", &error_abort);
801 object_class_property_add_bool(oc, "usb",
802 machine_get_usb, machine_set_usb, &error_abort);
803 object_class_property_set_description(oc, "usb",
804 "Set on/off to enable/disable usb", &error_abort);
806 object_class_property_add_bool(oc, "graphics",
807 machine_get_graphics, machine_set_graphics, &error_abort);
808 object_class_property_set_description(oc, "graphics",
809 "Set on/off to enable/disable graphics emulation", &error_abort);
811 object_class_property_add_str(oc, "firmware",
812 machine_get_firmware, machine_set_firmware,
813 &error_abort);
814 object_class_property_set_description(oc, "firmware",
815 "Firmware image", &error_abort);
817 object_class_property_add_bool(oc, "suppress-vmdesc",
818 machine_get_suppress_vmdesc, machine_set_suppress_vmdesc,
819 &error_abort);
820 object_class_property_set_description(oc, "suppress-vmdesc",
821 "Set on to disable self-describing migration", &error_abort);
823 object_class_property_add_bool(oc, "enforce-config-section",
824 machine_get_enforce_config_section, machine_set_enforce_config_section,
825 &error_abort);
826 object_class_property_set_description(oc, "enforce-config-section",
827 "Set on to enforce configuration section migration", &error_abort);
829 object_class_property_add_str(oc, "memory-encryption",
830 machine_get_memory_encryption, machine_set_memory_encryption,
831 &error_abort);
832 object_class_property_set_description(oc, "memory-encryption",
833 "Set memory encryption object to use", &error_abort);
836 static void machine_class_base_init(ObjectClass *oc, void *data)
838 if (!object_class_is_abstract(oc)) {
839 MachineClass *mc = MACHINE_CLASS(oc);
840 const char *cname = object_class_get_name(oc);
841 assert(g_str_has_suffix(cname, TYPE_MACHINE_SUFFIX));
842 mc->name = g_strndup(cname,
843 strlen(cname) - strlen(TYPE_MACHINE_SUFFIX));
844 mc->compat_props = g_ptr_array_new();
848 static void machine_initfn(Object *obj)
850 MachineState *ms = MACHINE(obj);
851 MachineClass *mc = MACHINE_GET_CLASS(obj);
853 ms->dump_guest_core = true;
854 ms->mem_merge = true;
855 ms->enable_graphics = true;
857 if (mc->nvdimm_supported) {
858 Object *obj = OBJECT(ms);
860 ms->nvdimms_state = g_new0(NVDIMMState, 1);
861 object_property_add_bool(obj, "nvdimm",
862 machine_get_nvdimm, machine_set_nvdimm,
863 &error_abort);
864 object_property_set_description(obj, "nvdimm",
865 "Set on/off to enable/disable "
866 "NVDIMM instantiation", NULL);
868 object_property_add_str(obj, "nvdimm-persistence",
869 machine_get_nvdimm_persistence,
870 machine_set_nvdimm_persistence,
871 &error_abort);
872 object_property_set_description(obj, "nvdimm-persistence",
873 "Set NVDIMM persistence"
874 "Valid values are cpu, mem-ctrl",
875 NULL);
878 if (mc->cpu_index_to_instance_props && mc->get_default_cpu_node_id) {
879 ms->numa_state = g_new0(NumaState, 1);
880 object_property_add_bool(obj, "hmat",
881 machine_get_hmat, machine_set_hmat,
882 &error_abort);
883 object_property_set_description(obj, "hmat",
884 "Set on/off to enable/disable "
885 "ACPI Heterogeneous Memory Attribute "
886 "Table (HMAT)", NULL);
889 /* Register notifier when init is done for sysbus sanity checks */
890 ms->sysbus_notifier.notify = machine_init_notify;
891 qemu_add_machine_init_done_notifier(&ms->sysbus_notifier);
894 static void machine_finalize(Object *obj)
896 MachineState *ms = MACHINE(obj);
898 g_free(ms->kernel_filename);
899 g_free(ms->initrd_filename);
900 g_free(ms->kernel_cmdline);
901 g_free(ms->dtb);
902 g_free(ms->dumpdtb);
903 g_free(ms->dt_compatible);
904 g_free(ms->firmware);
905 g_free(ms->device_memory);
906 g_free(ms->nvdimms_state);
907 g_free(ms->numa_state);
910 bool machine_usb(MachineState *machine)
912 return machine->usb;
915 int machine_phandle_start(MachineState *machine)
917 return machine->phandle_start;
920 bool machine_dump_guest_core(MachineState *machine)
922 return machine->dump_guest_core;
925 bool machine_mem_merge(MachineState *machine)
927 return machine->mem_merge;
930 static char *cpu_slot_to_string(const CPUArchId *cpu)
932 GString *s = g_string_new(NULL);
933 if (cpu->props.has_socket_id) {
934 g_string_append_printf(s, "socket-id: %"PRId64, cpu->props.socket_id);
936 if (cpu->props.has_die_id) {
937 g_string_append_printf(s, "die-id: %"PRId64, cpu->props.die_id);
939 if (cpu->props.has_core_id) {
940 if (s->len) {
941 g_string_append_printf(s, ", ");
943 g_string_append_printf(s, "core-id: %"PRId64, cpu->props.core_id);
945 if (cpu->props.has_thread_id) {
946 if (s->len) {
947 g_string_append_printf(s, ", ");
949 g_string_append_printf(s, "thread-id: %"PRId64, cpu->props.thread_id);
951 return g_string_free(s, false);
954 static void numa_validate_initiator(NumaState *numa_state)
956 int i;
957 NodeInfo *numa_info = numa_state->nodes;
959 for (i = 0; i < numa_state->num_nodes; i++) {
960 if (numa_info[i].initiator == MAX_NODES) {
961 error_report("The initiator of NUMA node %d is missing, use "
962 "'-numa node,initiator' option to declare it", i);
963 exit(1);
966 if (!numa_info[numa_info[i].initiator].present) {
967 error_report("NUMA node %" PRIu16 " is missing, use "
968 "'-numa node' option to declare it first",
969 numa_info[i].initiator);
970 exit(1);
973 if (!numa_info[numa_info[i].initiator].has_cpu) {
974 error_report("The initiator of NUMA node %d is invalid", i);
975 exit(1);
980 static void machine_numa_finish_cpu_init(MachineState *machine)
982 int i;
983 bool default_mapping;
984 GString *s = g_string_new(NULL);
985 MachineClass *mc = MACHINE_GET_CLASS(machine);
986 const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(machine);
988 assert(machine->numa_state->num_nodes);
989 for (i = 0; i < possible_cpus->len; i++) {
990 if (possible_cpus->cpus[i].props.has_node_id) {
991 break;
994 default_mapping = (i == possible_cpus->len);
996 for (i = 0; i < possible_cpus->len; i++) {
997 const CPUArchId *cpu_slot = &possible_cpus->cpus[i];
999 if (!cpu_slot->props.has_node_id) {
1000 /* fetch default mapping from board and enable it */
1001 CpuInstanceProperties props = cpu_slot->props;
1003 props.node_id = mc->get_default_cpu_node_id(machine, i);
1004 if (!default_mapping) {
1005 /* record slots with not set mapping,
1006 * TODO: make it hard error in future */
1007 char *cpu_str = cpu_slot_to_string(cpu_slot);
1008 g_string_append_printf(s, "%sCPU %d [%s]",
1009 s->len ? ", " : "", i, cpu_str);
1010 g_free(cpu_str);
1012 /* non mapped cpus used to fallback to node 0 */
1013 props.node_id = 0;
1016 props.has_node_id = true;
1017 machine_set_cpu_numa_node(machine, &props, &error_fatal);
1021 if (machine->numa_state->hmat_enabled) {
1022 numa_validate_initiator(machine->numa_state);
1025 if (s->len && !qtest_enabled()) {
1026 warn_report("CPU(s) not present in any NUMA nodes: %s",
1027 s->str);
1028 warn_report("All CPU(s) up to maxcpus should be described "
1029 "in NUMA config, ability to start up with partial NUMA "
1030 "mappings is obsoleted and will be removed in future");
1032 g_string_free(s, true);
1035 void machine_run_board_init(MachineState *machine)
1037 MachineClass *machine_class = MACHINE_GET_CLASS(machine);
1039 if (machine->numa_state) {
1040 numa_complete_configuration(machine);
1041 if (machine->numa_state->num_nodes) {
1042 machine_numa_finish_cpu_init(machine);
1046 /* If the machine supports the valid_cpu_types check and the user
1047 * specified a CPU with -cpu check here that the user CPU is supported.
1049 if (machine_class->valid_cpu_types && machine->cpu_type) {
1050 ObjectClass *class = object_class_by_name(machine->cpu_type);
1051 int i;
1053 for (i = 0; machine_class->valid_cpu_types[i]; i++) {
1054 if (object_class_dynamic_cast(class,
1055 machine_class->valid_cpu_types[i])) {
1056 /* The user specificed CPU is in the valid field, we are
1057 * good to go.
1059 break;
1063 if (!machine_class->valid_cpu_types[i]) {
1064 /* The user specified CPU is not valid */
1065 error_report("Invalid CPU type: %s", machine->cpu_type);
1066 error_printf("The valid types are: %s",
1067 machine_class->valid_cpu_types[0]);
1068 for (i = 1; machine_class->valid_cpu_types[i]; i++) {
1069 error_printf(", %s", machine_class->valid_cpu_types[i]);
1071 error_printf("\n");
1073 exit(1);
1077 machine_class->init(machine);
1080 static const TypeInfo machine_info = {
1081 .name = TYPE_MACHINE,
1082 .parent = TYPE_OBJECT,
1083 .abstract = true,
1084 .class_size = sizeof(MachineClass),
1085 .class_init = machine_class_init,
1086 .class_base_init = machine_class_base_init,
1087 .instance_size = sizeof(MachineState),
1088 .instance_init = machine_initfn,
1089 .instance_finalize = machine_finalize,
1092 static void machine_register_types(void)
1094 type_register_static(&machine_info);
1097 type_init(machine_register_types)