4 * Copyright (C) 2014 Red Hat Inc
7 * Marcel Apfelbaum <marcel.a@redhat.com>
9 * This work is licensed under the terms of the GNU GPL, version 2 or later.
10 * See the COPYING file in the top-level directory.
13 #include "qemu/osdep.h"
14 #include "qemu/option.h"
15 #include "qapi/qmp/qerror.h"
16 #include "sysemu/replay.h"
17 #include "qemu/units.h"
18 #include "hw/boards.h"
19 #include "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" },
33 const size_t hw_compat_4_2_len
= G_N_ELEMENTS(hw_compat_4_2
);
35 GlobalProperty hw_compat_4_1
[] = {
36 { "virtio-pci", "x-pcie-flr-init", "off" },
38 const size_t hw_compat_4_1_len
= G_N_ELEMENTS(hw_compat_4_1
);
40 GlobalProperty hw_compat_4_0
[] = {
41 { "VGA", "edid", "false" },
42 { "secondary-vga", "edid", "false" },
43 { "bochs-display", "edid", "false" },
44 { "virtio-vga", "edid", "false" },
45 { "virtio-gpu", "edid", "false" },
46 { "virtio-device", "use-started", "false" },
47 { "virtio-balloon-device", "qemu-4-0-config-size", "true" },
48 { "pl031", "migrate-tick-offset", "false" },
50 const size_t hw_compat_4_0_len
= G_N_ELEMENTS(hw_compat_4_0
);
52 GlobalProperty hw_compat_3_1
[] = {
53 { "pcie-root-port", "x-speed", "2_5" },
54 { "pcie-root-port", "x-width", "1" },
55 { "memory-backend-file", "x-use-canonical-path-for-ramblock-id", "true" },
56 { "memory-backend-memfd", "x-use-canonical-path-for-ramblock-id", "true" },
57 { "tpm-crb", "ppi", "false" },
58 { "tpm-tis", "ppi", "false" },
59 { "usb-kbd", "serial", "42" },
60 { "usb-mouse", "serial", "42" },
61 { "usb-tablet", "serial", "42" },
62 { "virtio-blk-device", "discard", "false" },
63 { "virtio-blk-device", "write-zeroes", "false" },
64 { "virtio-balloon-device", "qemu-4-0-config-size", "false" },
65 { "pcie-root-port-base", "disable-acs", "true" }, /* Added in 4.1 */
67 const size_t hw_compat_3_1_len
= G_N_ELEMENTS(hw_compat_3_1
);
69 GlobalProperty hw_compat_3_0
[] = {};
70 const size_t hw_compat_3_0_len
= G_N_ELEMENTS(hw_compat_3_0
);
72 GlobalProperty hw_compat_2_12
[] = {
73 { "migration", "decompress-error-check", "off" },
74 { "hda-audio", "use-timer", "false" },
75 { "cirrus-vga", "global-vmstate", "true" },
76 { "VGA", "global-vmstate", "true" },
77 { "vmware-svga", "global-vmstate", "true" },
78 { "qxl-vga", "global-vmstate", "true" },
80 const size_t hw_compat_2_12_len
= G_N_ELEMENTS(hw_compat_2_12
);
82 GlobalProperty hw_compat_2_11
[] = {
83 { "hpet", "hpet-offset-saved", "false" },
84 { "virtio-blk-pci", "vectors", "2" },
85 { "vhost-user-blk-pci", "vectors", "2" },
86 { "e1000", "migrate_tso_props", "off" },
88 const size_t hw_compat_2_11_len
= G_N_ELEMENTS(hw_compat_2_11
);
90 GlobalProperty hw_compat_2_10
[] = {
91 { "virtio-mouse-device", "wheel-axis", "false" },
92 { "virtio-tablet-device", "wheel-axis", "false" },
94 const size_t hw_compat_2_10_len
= G_N_ELEMENTS(hw_compat_2_10
);
96 GlobalProperty hw_compat_2_9
[] = {
97 { "pci-bridge", "shpc", "off" },
98 { "intel-iommu", "pt", "off" },
99 { "virtio-net-device", "x-mtu-bypass-backend", "off" },
100 { "pcie-root-port", "x-migrate-msix", "false" },
102 const size_t hw_compat_2_9_len
= G_N_ELEMENTS(hw_compat_2_9
);
104 GlobalProperty hw_compat_2_8
[] = {
105 { "fw_cfg_mem", "x-file-slots", "0x10" },
106 { "fw_cfg_io", "x-file-slots", "0x10" },
107 { "pflash_cfi01", "old-multiple-chip-handling", "on" },
108 { "pci-bridge", "shpc", "on" },
109 { TYPE_PCI_DEVICE
, "x-pcie-extcap-init", "off" },
110 { "virtio-pci", "x-pcie-deverr-init", "off" },
111 { "virtio-pci", "x-pcie-lnkctl-init", "off" },
112 { "virtio-pci", "x-pcie-pm-init", "off" },
113 { "cirrus-vga", "vgamem_mb", "8" },
114 { "isa-cirrus-vga", "vgamem_mb", "8" },
116 const size_t hw_compat_2_8_len
= G_N_ELEMENTS(hw_compat_2_8
);
118 GlobalProperty hw_compat_2_7
[] = {
119 { "virtio-pci", "page-per-vq", "on" },
120 { "virtio-serial-device", "emergency-write", "off" },
121 { "ioapic", "version", "0x11" },
122 { "intel-iommu", "x-buggy-eim", "true" },
123 { "virtio-pci", "x-ignore-backend-features", "on" },
125 const size_t hw_compat_2_7_len
= G_N_ELEMENTS(hw_compat_2_7
);
127 GlobalProperty hw_compat_2_6
[] = {
128 { "virtio-mmio", "format_transport_address", "off" },
129 /* Optional because not all virtio-pci devices support legacy mode */
130 { "virtio-pci", "disable-modern", "on", .optional
= true },
131 { "virtio-pci", "disable-legacy", "off", .optional
= true },
133 const size_t hw_compat_2_6_len
= G_N_ELEMENTS(hw_compat_2_6
);
135 GlobalProperty hw_compat_2_5
[] = {
136 { "isa-fdc", "fallback", "144" },
137 { "pvscsi", "x-old-pci-configuration", "on" },
138 { "pvscsi", "x-disable-pcie", "on" },
139 { "vmxnet3", "x-old-msi-offsets", "on" },
140 { "vmxnet3", "x-disable-pcie", "on" },
142 const size_t hw_compat_2_5_len
= G_N_ELEMENTS(hw_compat_2_5
);
144 GlobalProperty hw_compat_2_4
[] = {
145 { "virtio-blk-device", "scsi", "true" },
146 { "e1000", "extra_mac_registers", "off" },
147 { "virtio-pci", "x-disable-pcie", "on" },
148 { "virtio-pci", "migrate-extra", "off" },
149 { "fw_cfg_mem", "dma_enabled", "off" },
150 { "fw_cfg_io", "dma_enabled", "off" }
152 const size_t hw_compat_2_4_len
= G_N_ELEMENTS(hw_compat_2_4
);
154 GlobalProperty hw_compat_2_3
[] = {
155 { "virtio-blk-pci", "any_layout", "off" },
156 { "virtio-balloon-pci", "any_layout", "off" },
157 { "virtio-serial-pci", "any_layout", "off" },
158 { "virtio-9p-pci", "any_layout", "off" },
159 { "virtio-rng-pci", "any_layout", "off" },
160 { TYPE_PCI_DEVICE
, "x-pcie-lnksta-dllla", "off" },
161 { "migration", "send-configuration", "off" },
162 { "migration", "send-section-footer", "off" },
163 { "migration", "store-global-state", "off" },
165 const size_t hw_compat_2_3_len
= G_N_ELEMENTS(hw_compat_2_3
);
167 GlobalProperty hw_compat_2_2
[] = {};
168 const size_t hw_compat_2_2_len
= G_N_ELEMENTS(hw_compat_2_2
);
170 GlobalProperty hw_compat_2_1
[] = {
171 { "intel-hda", "old_msi_addr", "on" },
172 { "VGA", "qemu-extended-regs", "off" },
173 { "secondary-vga", "qemu-extended-regs", "off" },
174 { "virtio-scsi-pci", "any_layout", "off" },
175 { "usb-mouse", "usb_version", "1" },
176 { "usb-kbd", "usb_version", "1" },
177 { "virtio-pci", "virtio-pci-bus-master-bug-migration", "on" },
179 const size_t hw_compat_2_1_len
= G_N_ELEMENTS(hw_compat_2_1
);
181 static char *machine_get_accel(Object
*obj
, Error
**errp
)
183 MachineState
*ms
= MACHINE(obj
);
185 return g_strdup(ms
->accel
);
188 static void machine_set_accel(Object
*obj
, const char *value
, Error
**errp
)
190 MachineState
*ms
= MACHINE(obj
);
193 ms
->accel
= g_strdup(value
);
196 static void machine_set_kernel_irqchip(Object
*obj
, Visitor
*v
,
197 const char *name
, void *opaque
,
201 MachineState
*ms
= MACHINE(obj
);
204 visit_type_OnOffSplit(v
, name
, &mode
, &err
);
206 error_propagate(errp
, err
);
210 case ON_OFF_SPLIT_ON
:
211 ms
->kernel_irqchip_allowed
= true;
212 ms
->kernel_irqchip_required
= true;
213 ms
->kernel_irqchip_split
= false;
215 case ON_OFF_SPLIT_OFF
:
216 ms
->kernel_irqchip_allowed
= false;
217 ms
->kernel_irqchip_required
= false;
218 ms
->kernel_irqchip_split
= false;
220 case ON_OFF_SPLIT_SPLIT
:
221 ms
->kernel_irqchip_allowed
= true;
222 ms
->kernel_irqchip_required
= true;
223 ms
->kernel_irqchip_split
= true;
226 /* The value was checked in visit_type_OnOffSplit() above. If
227 * we get here, then something is wrong in QEMU.
234 static void machine_get_kvm_shadow_mem(Object
*obj
, Visitor
*v
,
235 const char *name
, void *opaque
,
238 MachineState
*ms
= MACHINE(obj
);
239 int64_t value
= ms
->kvm_shadow_mem
;
241 visit_type_int(v
, name
, &value
, errp
);
244 static void machine_set_kvm_shadow_mem(Object
*obj
, Visitor
*v
,
245 const char *name
, void *opaque
,
248 MachineState
*ms
= MACHINE(obj
);
252 visit_type_int(v
, name
, &value
, &error
);
254 error_propagate(errp
, error
);
258 ms
->kvm_shadow_mem
= value
;
261 static char *machine_get_kernel(Object
*obj
, Error
**errp
)
263 MachineState
*ms
= MACHINE(obj
);
265 return g_strdup(ms
->kernel_filename
);
268 static void machine_set_kernel(Object
*obj
, const char *value
, Error
**errp
)
270 MachineState
*ms
= MACHINE(obj
);
272 g_free(ms
->kernel_filename
);
273 ms
->kernel_filename
= g_strdup(value
);
276 static char *machine_get_initrd(Object
*obj
, Error
**errp
)
278 MachineState
*ms
= MACHINE(obj
);
280 return g_strdup(ms
->initrd_filename
);
283 static void machine_set_initrd(Object
*obj
, const char *value
, Error
**errp
)
285 MachineState
*ms
= MACHINE(obj
);
287 g_free(ms
->initrd_filename
);
288 ms
->initrd_filename
= g_strdup(value
);
291 static char *machine_get_append(Object
*obj
, Error
**errp
)
293 MachineState
*ms
= MACHINE(obj
);
295 return g_strdup(ms
->kernel_cmdline
);
298 static void machine_set_append(Object
*obj
, const char *value
, Error
**errp
)
300 MachineState
*ms
= MACHINE(obj
);
302 g_free(ms
->kernel_cmdline
);
303 ms
->kernel_cmdline
= g_strdup(value
);
306 static char *machine_get_dtb(Object
*obj
, Error
**errp
)
308 MachineState
*ms
= MACHINE(obj
);
310 return g_strdup(ms
->dtb
);
313 static void machine_set_dtb(Object
*obj
, const char *value
, Error
**errp
)
315 MachineState
*ms
= MACHINE(obj
);
318 ms
->dtb
= g_strdup(value
);
321 static char *machine_get_dumpdtb(Object
*obj
, Error
**errp
)
323 MachineState
*ms
= MACHINE(obj
);
325 return g_strdup(ms
->dumpdtb
);
328 static void machine_set_dumpdtb(Object
*obj
, const char *value
, Error
**errp
)
330 MachineState
*ms
= MACHINE(obj
);
333 ms
->dumpdtb
= g_strdup(value
);
336 static void machine_get_phandle_start(Object
*obj
, Visitor
*v
,
337 const char *name
, void *opaque
,
340 MachineState
*ms
= MACHINE(obj
);
341 int64_t value
= ms
->phandle_start
;
343 visit_type_int(v
, name
, &value
, errp
);
346 static void machine_set_phandle_start(Object
*obj
, Visitor
*v
,
347 const char *name
, void *opaque
,
350 MachineState
*ms
= MACHINE(obj
);
354 visit_type_int(v
, name
, &value
, &error
);
356 error_propagate(errp
, error
);
360 ms
->phandle_start
= value
;
363 static char *machine_get_dt_compatible(Object
*obj
, Error
**errp
)
365 MachineState
*ms
= MACHINE(obj
);
367 return g_strdup(ms
->dt_compatible
);
370 static void machine_set_dt_compatible(Object
*obj
, const char *value
, Error
**errp
)
372 MachineState
*ms
= MACHINE(obj
);
374 g_free(ms
->dt_compatible
);
375 ms
->dt_compatible
= g_strdup(value
);
378 static bool machine_get_dump_guest_core(Object
*obj
, Error
**errp
)
380 MachineState
*ms
= MACHINE(obj
);
382 return ms
->dump_guest_core
;
385 static void machine_set_dump_guest_core(Object
*obj
, bool value
, Error
**errp
)
387 MachineState
*ms
= MACHINE(obj
);
389 ms
->dump_guest_core
= value
;
392 static bool machine_get_mem_merge(Object
*obj
, Error
**errp
)
394 MachineState
*ms
= MACHINE(obj
);
396 return ms
->mem_merge
;
399 static void machine_set_mem_merge(Object
*obj
, bool value
, Error
**errp
)
401 MachineState
*ms
= MACHINE(obj
);
403 ms
->mem_merge
= value
;
406 static bool machine_get_usb(Object
*obj
, Error
**errp
)
408 MachineState
*ms
= MACHINE(obj
);
413 static void machine_set_usb(Object
*obj
, bool value
, Error
**errp
)
415 MachineState
*ms
= MACHINE(obj
);
418 ms
->usb_disabled
= !value
;
421 static bool machine_get_graphics(Object
*obj
, Error
**errp
)
423 MachineState
*ms
= MACHINE(obj
);
425 return ms
->enable_graphics
;
428 static void machine_set_graphics(Object
*obj
, bool value
, Error
**errp
)
430 MachineState
*ms
= MACHINE(obj
);
432 ms
->enable_graphics
= value
;
435 static bool machine_get_igd_gfx_passthru(Object
*obj
, Error
**errp
)
437 MachineState
*ms
= MACHINE(obj
);
439 return ms
->igd_gfx_passthru
;
442 static void machine_set_igd_gfx_passthru(Object
*obj
, bool value
, Error
**errp
)
444 MachineState
*ms
= MACHINE(obj
);
446 ms
->igd_gfx_passthru
= value
;
449 static char *machine_get_firmware(Object
*obj
, Error
**errp
)
451 MachineState
*ms
= MACHINE(obj
);
453 return g_strdup(ms
->firmware
);
456 static void machine_set_firmware(Object
*obj
, const char *value
, Error
**errp
)
458 MachineState
*ms
= MACHINE(obj
);
460 g_free(ms
->firmware
);
461 ms
->firmware
= g_strdup(value
);
464 static void machine_set_suppress_vmdesc(Object
*obj
, bool value
, Error
**errp
)
466 MachineState
*ms
= MACHINE(obj
);
468 ms
->suppress_vmdesc
= value
;
471 static bool machine_get_suppress_vmdesc(Object
*obj
, Error
**errp
)
473 MachineState
*ms
= MACHINE(obj
);
475 return ms
->suppress_vmdesc
;
478 static void machine_set_enforce_config_section(Object
*obj
, bool value
,
481 MachineState
*ms
= MACHINE(obj
);
483 warn_report("enforce-config-section is deprecated, please use "
484 "-global migration.send-configuration=on|off instead");
486 ms
->enforce_config_section
= value
;
489 static bool machine_get_enforce_config_section(Object
*obj
, Error
**errp
)
491 MachineState
*ms
= MACHINE(obj
);
493 return ms
->enforce_config_section
;
496 static char *machine_get_memory_encryption(Object
*obj
, Error
**errp
)
498 MachineState
*ms
= MACHINE(obj
);
500 return g_strdup(ms
->memory_encryption
);
503 static void machine_set_memory_encryption(Object
*obj
, const char *value
,
506 MachineState
*ms
= MACHINE(obj
);
508 g_free(ms
->memory_encryption
);
509 ms
->memory_encryption
= g_strdup(value
);
512 static bool machine_get_nvdimm(Object
*obj
, Error
**errp
)
514 MachineState
*ms
= MACHINE(obj
);
516 return ms
->nvdimms_state
->is_enabled
;
519 static void machine_set_nvdimm(Object
*obj
, bool value
, Error
**errp
)
521 MachineState
*ms
= MACHINE(obj
);
523 ms
->nvdimms_state
->is_enabled
= value
;
526 static char *machine_get_nvdimm_persistence(Object
*obj
, Error
**errp
)
528 MachineState
*ms
= MACHINE(obj
);
530 return g_strdup(ms
->nvdimms_state
->persistence_string
);
533 static void machine_set_nvdimm_persistence(Object
*obj
, const char *value
,
536 MachineState
*ms
= MACHINE(obj
);
537 NVDIMMState
*nvdimms_state
= ms
->nvdimms_state
;
539 if (strcmp(value
, "cpu") == 0) {
540 nvdimms_state
->persistence
= 3;
541 } else if (strcmp(value
, "mem-ctrl") == 0) {
542 nvdimms_state
->persistence
= 2;
544 error_setg(errp
, "-machine nvdimm-persistence=%s: unsupported option",
549 g_free(nvdimms_state
->persistence_string
);
550 nvdimms_state
->persistence_string
= g_strdup(value
);
553 void machine_class_allow_dynamic_sysbus_dev(MachineClass
*mc
, const char *type
)
555 strList
*item
= g_new0(strList
, 1);
557 item
->value
= g_strdup(type
);
558 item
->next
= mc
->allowed_dynamic_sysbus_devices
;
559 mc
->allowed_dynamic_sysbus_devices
= item
;
562 static void validate_sysbus_device(SysBusDevice
*sbdev
, void *opaque
)
564 MachineState
*machine
= opaque
;
565 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
566 bool allowed
= false;
569 for (wl
= mc
->allowed_dynamic_sysbus_devices
;
572 allowed
|= !!object_dynamic_cast(OBJECT(sbdev
), wl
->value
);
576 error_report("Option '-device %s' cannot be handled by this machine",
577 object_class_get_name(object_get_class(OBJECT(sbdev
))));
582 static void machine_init_notify(Notifier
*notifier
, void *data
)
584 MachineState
*machine
= MACHINE(qdev_get_machine());
587 * Loop through all dynamically created sysbus devices and check if they are
588 * all allowed. If a device is not allowed, error out.
590 foreach_dynamic_sysbus_device(validate_sysbus_device
, machine
);
593 HotpluggableCPUList
*machine_query_hotpluggable_cpus(MachineState
*machine
)
596 HotpluggableCPUList
*head
= NULL
;
597 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
599 /* force board to initialize possible_cpus if it hasn't been done yet */
600 mc
->possible_cpu_arch_ids(machine
);
602 for (i
= 0; i
< machine
->possible_cpus
->len
; i
++) {
604 HotpluggableCPUList
*list_item
= g_new0(typeof(*list_item
), 1);
605 HotpluggableCPU
*cpu_item
= g_new0(typeof(*cpu_item
), 1);
607 cpu_item
->type
= g_strdup(machine
->possible_cpus
->cpus
[i
].type
);
608 cpu_item
->vcpus_count
= machine
->possible_cpus
->cpus
[i
].vcpus_count
;
609 cpu_item
->props
= g_memdup(&machine
->possible_cpus
->cpus
[i
].props
,
610 sizeof(*cpu_item
->props
));
612 cpu
= machine
->possible_cpus
->cpus
[i
].cpu
;
614 cpu_item
->has_qom_path
= true;
615 cpu_item
->qom_path
= object_get_canonical_path(cpu
);
617 list_item
->value
= cpu_item
;
618 list_item
->next
= head
;
625 * machine_set_cpu_numa_node:
626 * @machine: machine object to modify
627 * @props: specifies which cpu objects to assign to
628 * numa node specified by @props.node_id
629 * @errp: if an error occurs, a pointer to an area to store the error
631 * Associate NUMA node specified by @props.node_id with cpu slots that
632 * match socket/core/thread-ids specified by @props. It's recommended to use
633 * query-hotpluggable-cpus.props values to specify affected cpu slots,
634 * which would lead to exact 1:1 mapping of cpu slots to NUMA node.
636 * However for CLI convenience it's possible to pass in subset of properties,
637 * which would affect all cpu slots that match it.
639 * -smp 4,cores=2,sockets=2 -numa node,nodeid=0 -numa node,nodeid=1 \
640 * -numa cpu,node-id=0,socket_id=0 \
641 * -numa cpu,node-id=1,socket_id=1
642 * will assign all child cores of socket 0 to node 0 and
643 * of socket 1 to node 1.
645 * On attempt of reassigning (already assigned) cpu slot to another NUMA node,
647 * Empty subset is disallowed and function will return with error in this case.
649 void machine_set_cpu_numa_node(MachineState
*machine
,
650 const CpuInstanceProperties
*props
, Error
**errp
)
652 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
656 if (!mc
->possible_cpu_arch_ids
) {
657 error_setg(errp
, "mapping of CPUs to NUMA node is not supported");
661 /* disabling node mapping is not supported, forbid it */
662 assert(props
->has_node_id
);
664 /* force board to initialize possible_cpus if it hasn't been done yet */
665 mc
->possible_cpu_arch_ids(machine
);
667 for (i
= 0; i
< machine
->possible_cpus
->len
; i
++) {
668 CPUArchId
*slot
= &machine
->possible_cpus
->cpus
[i
];
670 /* reject unsupported by board properties */
671 if (props
->has_thread_id
&& !slot
->props
.has_thread_id
) {
672 error_setg(errp
, "thread-id is not supported");
676 if (props
->has_core_id
&& !slot
->props
.has_core_id
) {
677 error_setg(errp
, "core-id is not supported");
681 if (props
->has_socket_id
&& !slot
->props
.has_socket_id
) {
682 error_setg(errp
, "socket-id is not supported");
686 if (props
->has_die_id
&& !slot
->props
.has_die_id
) {
687 error_setg(errp
, "die-id is not supported");
691 /* skip slots with explicit mismatch */
692 if (props
->has_thread_id
&& props
->thread_id
!= slot
->props
.thread_id
) {
696 if (props
->has_core_id
&& props
->core_id
!= slot
->props
.core_id
) {
700 if (props
->has_die_id
&& props
->die_id
!= slot
->props
.die_id
) {
704 if (props
->has_socket_id
&& props
->socket_id
!= slot
->props
.socket_id
) {
708 /* reject assignment if slot is already assigned, for compatibility
709 * of legacy cpu_index mapping with SPAPR core based mapping do not
710 * error out if cpu thread and matched core have the same node-id */
711 if (slot
->props
.has_node_id
&&
712 slot
->props
.node_id
!= props
->node_id
) {
713 error_setg(errp
, "CPU is already assigned to node-id: %" PRId64
,
714 slot
->props
.node_id
);
718 /* assign slot to node as it's matched '-numa cpu' key */
720 slot
->props
.node_id
= props
->node_id
;
721 slot
->props
.has_node_id
= props
->has_node_id
;
725 error_setg(errp
, "no match found");
729 static void smp_parse(MachineState
*ms
, QemuOpts
*opts
)
732 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
733 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
734 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
735 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
737 /* compute missing values, prefer sockets over cores over threads */
738 if (cpus
== 0 || sockets
== 0) {
739 cores
= cores
> 0 ? cores
: 1;
740 threads
= threads
> 0 ? threads
: 1;
742 sockets
= sockets
> 0 ? sockets
: 1;
743 cpus
= cores
* threads
* sockets
;
746 qemu_opt_get_number(opts
, "maxcpus", cpus
);
747 sockets
= ms
->smp
.max_cpus
/ (cores
* threads
);
749 } else if (cores
== 0) {
750 threads
= threads
> 0 ? threads
: 1;
751 cores
= cpus
/ (sockets
* threads
);
752 cores
= cores
> 0 ? cores
: 1;
753 } else if (threads
== 0) {
754 threads
= cpus
/ (cores
* sockets
);
755 threads
= threads
> 0 ? threads
: 1;
756 } else if (sockets
* cores
* threads
< cpus
) {
757 error_report("cpu topology: "
758 "sockets (%u) * cores (%u) * threads (%u) < "
760 sockets
, cores
, threads
, cpus
);
765 qemu_opt_get_number(opts
, "maxcpus", cpus
);
767 if (ms
->smp
.max_cpus
< cpus
) {
768 error_report("maxcpus must be equal to or greater than smp");
772 if (sockets
* cores
* threads
> ms
->smp
.max_cpus
) {
773 error_report("cpu topology: "
774 "sockets (%u) * cores (%u) * threads (%u) > "
776 sockets
, cores
, threads
,
781 if (sockets
* cores
* threads
!= ms
->smp
.max_cpus
) {
782 warn_report("Invalid CPU topology deprecated: "
783 "sockets (%u) * cores (%u) * threads (%u) "
785 sockets
, cores
, threads
,
790 ms
->smp
.cores
= cores
;
791 ms
->smp
.threads
= threads
;
794 if (ms
->smp
.cpus
> 1) {
795 Error
*blocker
= NULL
;
796 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
, "smp");
797 replay_add_blocker(blocker
);
801 static void machine_class_init(ObjectClass
*oc
, void *data
)
803 MachineClass
*mc
= MACHINE_CLASS(oc
);
805 /* Default 128 MB as guest ram size */
806 mc
->default_ram_size
= 128 * MiB
;
807 mc
->rom_file_has_mr
= true;
808 mc
->smp_parse
= smp_parse
;
810 /* numa node memory size aligned on 8MB by default.
811 * On Linux, each node's border has to be 8MB aligned
813 mc
->numa_mem_align_shift
= 23;
814 mc
->numa_auto_assign_ram
= numa_default_auto_assign_ram
;
816 object_class_property_add_str(oc
, "accel",
817 machine_get_accel
, machine_set_accel
, &error_abort
);
818 object_class_property_set_description(oc
, "accel",
819 "Accelerator list", &error_abort
);
821 object_class_property_add(oc
, "kernel-irqchip", "on|off|split",
822 NULL
, machine_set_kernel_irqchip
,
823 NULL
, NULL
, &error_abort
);
824 object_class_property_set_description(oc
, "kernel-irqchip",
825 "Configure KVM in-kernel irqchip", &error_abort
);
827 object_class_property_add(oc
, "kvm-shadow-mem", "int",
828 machine_get_kvm_shadow_mem
, machine_set_kvm_shadow_mem
,
829 NULL
, NULL
, &error_abort
);
830 object_class_property_set_description(oc
, "kvm-shadow-mem",
831 "KVM shadow MMU size", &error_abort
);
833 object_class_property_add_str(oc
, "kernel",
834 machine_get_kernel
, machine_set_kernel
, &error_abort
);
835 object_class_property_set_description(oc
, "kernel",
836 "Linux kernel image file", &error_abort
);
838 object_class_property_add_str(oc
, "initrd",
839 machine_get_initrd
, machine_set_initrd
, &error_abort
);
840 object_class_property_set_description(oc
, "initrd",
841 "Linux initial ramdisk file", &error_abort
);
843 object_class_property_add_str(oc
, "append",
844 machine_get_append
, machine_set_append
, &error_abort
);
845 object_class_property_set_description(oc
, "append",
846 "Linux kernel command line", &error_abort
);
848 object_class_property_add_str(oc
, "dtb",
849 machine_get_dtb
, machine_set_dtb
, &error_abort
);
850 object_class_property_set_description(oc
, "dtb",
851 "Linux kernel device tree file", &error_abort
);
853 object_class_property_add_str(oc
, "dumpdtb",
854 machine_get_dumpdtb
, machine_set_dumpdtb
, &error_abort
);
855 object_class_property_set_description(oc
, "dumpdtb",
856 "Dump current dtb to a file and quit", &error_abort
);
858 object_class_property_add(oc
, "phandle-start", "int",
859 machine_get_phandle_start
, machine_set_phandle_start
,
860 NULL
, NULL
, &error_abort
);
861 object_class_property_set_description(oc
, "phandle-start",
862 "The first phandle ID we may generate dynamically", &error_abort
);
864 object_class_property_add_str(oc
, "dt-compatible",
865 machine_get_dt_compatible
, machine_set_dt_compatible
, &error_abort
);
866 object_class_property_set_description(oc
, "dt-compatible",
867 "Overrides the \"compatible\" property of the dt root node",
870 object_class_property_add_bool(oc
, "dump-guest-core",
871 machine_get_dump_guest_core
, machine_set_dump_guest_core
, &error_abort
);
872 object_class_property_set_description(oc
, "dump-guest-core",
873 "Include guest memory in a core dump", &error_abort
);
875 object_class_property_add_bool(oc
, "mem-merge",
876 machine_get_mem_merge
, machine_set_mem_merge
, &error_abort
);
877 object_class_property_set_description(oc
, "mem-merge",
878 "Enable/disable memory merge support", &error_abort
);
880 object_class_property_add_bool(oc
, "usb",
881 machine_get_usb
, machine_set_usb
, &error_abort
);
882 object_class_property_set_description(oc
, "usb",
883 "Set on/off to enable/disable usb", &error_abort
);
885 object_class_property_add_bool(oc
, "graphics",
886 machine_get_graphics
, machine_set_graphics
, &error_abort
);
887 object_class_property_set_description(oc
, "graphics",
888 "Set on/off to enable/disable graphics emulation", &error_abort
);
890 object_class_property_add_bool(oc
, "igd-passthru",
891 machine_get_igd_gfx_passthru
, machine_set_igd_gfx_passthru
,
893 object_class_property_set_description(oc
, "igd-passthru",
894 "Set on/off to enable/disable igd passthrou", &error_abort
);
896 object_class_property_add_str(oc
, "firmware",
897 machine_get_firmware
, machine_set_firmware
,
899 object_class_property_set_description(oc
, "firmware",
900 "Firmware image", &error_abort
);
902 object_class_property_add_bool(oc
, "suppress-vmdesc",
903 machine_get_suppress_vmdesc
, machine_set_suppress_vmdesc
,
905 object_class_property_set_description(oc
, "suppress-vmdesc",
906 "Set on to disable self-describing migration", &error_abort
);
908 object_class_property_add_bool(oc
, "enforce-config-section",
909 machine_get_enforce_config_section
, machine_set_enforce_config_section
,
911 object_class_property_set_description(oc
, "enforce-config-section",
912 "Set on to enforce configuration section migration", &error_abort
);
914 object_class_property_add_str(oc
, "memory-encryption",
915 machine_get_memory_encryption
, machine_set_memory_encryption
,
917 object_class_property_set_description(oc
, "memory-encryption",
918 "Set memory encryption object to use", &error_abort
);
921 static void machine_class_base_init(ObjectClass
*oc
, void *data
)
923 if (!object_class_is_abstract(oc
)) {
924 MachineClass
*mc
= MACHINE_CLASS(oc
);
925 const char *cname
= object_class_get_name(oc
);
926 assert(g_str_has_suffix(cname
, TYPE_MACHINE_SUFFIX
));
927 mc
->name
= g_strndup(cname
,
928 strlen(cname
) - strlen(TYPE_MACHINE_SUFFIX
));
929 mc
->compat_props
= g_ptr_array_new();
933 static void machine_initfn(Object
*obj
)
935 MachineState
*ms
= MACHINE(obj
);
936 MachineClass
*mc
= MACHINE_GET_CLASS(obj
);
938 ms
->kernel_irqchip_allowed
= true;
939 ms
->kernel_irqchip_split
= mc
->default_kernel_irqchip_split
;
940 ms
->kvm_shadow_mem
= -1;
941 ms
->dump_guest_core
= true;
942 ms
->mem_merge
= true;
943 ms
->enable_graphics
= true;
945 if (mc
->nvdimm_supported
) {
946 Object
*obj
= OBJECT(ms
);
948 ms
->nvdimms_state
= g_new0(NVDIMMState
, 1);
949 object_property_add_bool(obj
, "nvdimm",
950 machine_get_nvdimm
, machine_set_nvdimm
,
952 object_property_set_description(obj
, "nvdimm",
953 "Set on/off to enable/disable "
954 "NVDIMM instantiation", NULL
);
956 object_property_add_str(obj
, "nvdimm-persistence",
957 machine_get_nvdimm_persistence
,
958 machine_set_nvdimm_persistence
,
960 object_property_set_description(obj
, "nvdimm-persistence",
961 "Set NVDIMM persistence"
962 "Valid values are cpu, mem-ctrl",
966 if (mc
->numa_mem_supported
) {
967 ms
->numa_state
= g_new0(NumaState
, 1);
970 /* Register notifier when init is done for sysbus sanity checks */
971 ms
->sysbus_notifier
.notify
= machine_init_notify
;
972 qemu_add_machine_init_done_notifier(&ms
->sysbus_notifier
);
975 static void machine_finalize(Object
*obj
)
977 MachineState
*ms
= MACHINE(obj
);
980 g_free(ms
->kernel_filename
);
981 g_free(ms
->initrd_filename
);
982 g_free(ms
->kernel_cmdline
);
985 g_free(ms
->dt_compatible
);
986 g_free(ms
->firmware
);
987 g_free(ms
->device_memory
);
988 g_free(ms
->nvdimms_state
);
989 g_free(ms
->numa_state
);
992 bool machine_usb(MachineState
*machine
)
997 bool machine_kernel_irqchip_allowed(MachineState
*machine
)
999 return machine
->kernel_irqchip_allowed
;
1002 bool machine_kernel_irqchip_required(MachineState
*machine
)
1004 return machine
->kernel_irqchip_required
;
1007 bool machine_kernel_irqchip_split(MachineState
*machine
)
1009 return machine
->kernel_irqchip_split
;
1012 int machine_kvm_shadow_mem(MachineState
*machine
)
1014 return machine
->kvm_shadow_mem
;
1017 int machine_phandle_start(MachineState
*machine
)
1019 return machine
->phandle_start
;
1022 bool machine_dump_guest_core(MachineState
*machine
)
1024 return machine
->dump_guest_core
;
1027 bool machine_mem_merge(MachineState
*machine
)
1029 return machine
->mem_merge
;
1032 static char *cpu_slot_to_string(const CPUArchId
*cpu
)
1034 GString
*s
= g_string_new(NULL
);
1035 if (cpu
->props
.has_socket_id
) {
1036 g_string_append_printf(s
, "socket-id: %"PRId64
, cpu
->props
.socket_id
);
1038 if (cpu
->props
.has_die_id
) {
1039 g_string_append_printf(s
, "die-id: %"PRId64
, cpu
->props
.die_id
);
1041 if (cpu
->props
.has_core_id
) {
1043 g_string_append_printf(s
, ", ");
1045 g_string_append_printf(s
, "core-id: %"PRId64
, cpu
->props
.core_id
);
1047 if (cpu
->props
.has_thread_id
) {
1049 g_string_append_printf(s
, ", ");
1051 g_string_append_printf(s
, "thread-id: %"PRId64
, cpu
->props
.thread_id
);
1053 return g_string_free(s
, false);
1056 static void machine_numa_finish_cpu_init(MachineState
*machine
)
1059 bool default_mapping
;
1060 GString
*s
= g_string_new(NULL
);
1061 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
1062 const CPUArchIdList
*possible_cpus
= mc
->possible_cpu_arch_ids(machine
);
1064 assert(machine
->numa_state
->num_nodes
);
1065 for (i
= 0; i
< possible_cpus
->len
; i
++) {
1066 if (possible_cpus
->cpus
[i
].props
.has_node_id
) {
1070 default_mapping
= (i
== possible_cpus
->len
);
1072 for (i
= 0; i
< possible_cpus
->len
; i
++) {
1073 const CPUArchId
*cpu_slot
= &possible_cpus
->cpus
[i
];
1075 if (!cpu_slot
->props
.has_node_id
) {
1076 /* fetch default mapping from board and enable it */
1077 CpuInstanceProperties props
= cpu_slot
->props
;
1079 props
.node_id
= mc
->get_default_cpu_node_id(machine
, i
);
1080 if (!default_mapping
) {
1081 /* record slots with not set mapping,
1082 * TODO: make it hard error in future */
1083 char *cpu_str
= cpu_slot_to_string(cpu_slot
);
1084 g_string_append_printf(s
, "%sCPU %d [%s]",
1085 s
->len
? ", " : "", i
, cpu_str
);
1088 /* non mapped cpus used to fallback to node 0 */
1092 props
.has_node_id
= true;
1093 machine_set_cpu_numa_node(machine
, &props
, &error_fatal
);
1096 if (s
->len
&& !qtest_enabled()) {
1097 warn_report("CPU(s) not present in any NUMA nodes: %s",
1099 warn_report("All CPU(s) up to maxcpus should be described "
1100 "in NUMA config, ability to start up with partial NUMA "
1101 "mappings is obsoleted and will be removed in future");
1103 g_string_free(s
, true);
1106 void machine_run_board_init(MachineState
*machine
)
1108 MachineClass
*machine_class
= MACHINE_GET_CLASS(machine
);
1110 if (machine_class
->numa_mem_supported
) {
1111 numa_complete_configuration(machine
);
1112 if (machine
->numa_state
->num_nodes
) {
1113 machine_numa_finish_cpu_init(machine
);
1117 /* If the machine supports the valid_cpu_types check and the user
1118 * specified a CPU with -cpu check here that the user CPU is supported.
1120 if (machine_class
->valid_cpu_types
&& machine
->cpu_type
) {
1121 ObjectClass
*class = object_class_by_name(machine
->cpu_type
);
1124 for (i
= 0; machine_class
->valid_cpu_types
[i
]; i
++) {
1125 if (object_class_dynamic_cast(class,
1126 machine_class
->valid_cpu_types
[i
])) {
1127 /* The user specificed CPU is in the valid field, we are
1134 if (!machine_class
->valid_cpu_types
[i
]) {
1135 /* The user specified CPU is not valid */
1136 error_report("Invalid CPU type: %s", machine
->cpu_type
);
1137 error_printf("The valid types are: %s",
1138 machine_class
->valid_cpu_types
[0]);
1139 for (i
= 1; machine_class
->valid_cpu_types
[i
]; i
++) {
1140 error_printf(", %s", machine_class
->valid_cpu_types
[i
]);
1148 machine_class
->init(machine
);
1151 static const TypeInfo machine_info
= {
1152 .name
= TYPE_MACHINE
,
1153 .parent
= TYPE_OBJECT
,
1155 .class_size
= sizeof(MachineClass
),
1156 .class_init
= machine_class_init
,
1157 .class_base_init
= machine_class_base_init
,
1158 .instance_size
= sizeof(MachineState
),
1159 .instance_init
= machine_initfn
,
1160 .instance_finalize
= machine_finalize
,
1163 static void machine_register_types(void)
1165 type_register_static(&machine_info
);
1168 type_init(machine_register_types
)