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/units.h"
15 #include "hw/boards.h"
16 #include "qapi/error.h"
17 #include "qapi/qapi-visit-common.h"
18 #include "qapi/visitor.h"
19 #include "hw/sysbus.h"
20 #include "sysemu/sysemu.h"
21 #include "sysemu/numa.h"
22 #include "qemu/error-report.h"
23 #include "sysemu/qtest.h"
24 #include "hw/pci/pci.h"
25 #include "hw/mem/nvdimm.h"
27 GlobalProperty hw_compat_3_1
[] = {
28 { "pcie-root-port", "x-speed", "2_5" },
29 { "pcie-root-port", "x-width", "1" },
30 { "memory-backend-file", "x-use-canonical-path-for-ramblock-id", "true" },
31 { "memory-backend-memfd", "x-use-canonical-path-for-ramblock-id", "true" },
32 { "tpm-crb", "ppi", "false" },
33 { "tpm-tis", "ppi", "false" },
34 { "usb-kbd", "serial", "42" },
35 { "usb-mouse", "serial", "42" },
36 { "usb-kbd", "serial", "42" },
37 { "virtio-blk-device", "discard", "false" },
38 { "virtio-blk-device", "write-zeroes", "false" },
40 const size_t hw_compat_3_1_len
= G_N_ELEMENTS(hw_compat_3_1
);
42 GlobalProperty hw_compat_3_0
[] = {};
43 const size_t hw_compat_3_0_len
= G_N_ELEMENTS(hw_compat_3_0
);
45 GlobalProperty hw_compat_2_12
[] = {
46 { "migration", "decompress-error-check", "off" },
47 { "hda-audio", "use-timer", "false" },
48 { "cirrus-vga", "global-vmstate", "true" },
49 { "VGA", "global-vmstate", "true" },
50 { "vmware-svga", "global-vmstate", "true" },
51 { "qxl-vga", "global-vmstate", "true" },
53 const size_t hw_compat_2_12_len
= G_N_ELEMENTS(hw_compat_2_12
);
55 GlobalProperty hw_compat_2_11
[] = {
56 { "hpet", "hpet-offset-saved", "false" },
57 { "virtio-blk-pci", "vectors", "2" },
58 { "vhost-user-blk-pci", "vectors", "2" },
59 { "e1000", "migrate_tso_props", "off" },
61 const size_t hw_compat_2_11_len
= G_N_ELEMENTS(hw_compat_2_11
);
63 GlobalProperty hw_compat_2_10
[] = {
64 { "virtio-mouse-device", "wheel-axis", "false" },
65 { "virtio-tablet-device", "wheel-axis", "false" },
67 const size_t hw_compat_2_10_len
= G_N_ELEMENTS(hw_compat_2_10
);
69 GlobalProperty hw_compat_2_9
[] = {
70 { "pci-bridge", "shpc", "off" },
71 { "intel-iommu", "pt", "off" },
72 { "virtio-net-device", "x-mtu-bypass-backend", "off" },
73 { "pcie-root-port", "x-migrate-msix", "false" },
75 const size_t hw_compat_2_9_len
= G_N_ELEMENTS(hw_compat_2_9
);
77 GlobalProperty hw_compat_2_8
[] = {
78 { "fw_cfg_mem", "x-file-slots", "0x10" },
79 { "fw_cfg_io", "x-file-slots", "0x10" },
80 { "pflash_cfi01", "old-multiple-chip-handling", "on" },
81 { "pci-bridge", "shpc", "on" },
82 { TYPE_PCI_DEVICE
, "x-pcie-extcap-init", "off" },
83 { "virtio-pci", "x-pcie-deverr-init", "off" },
84 { "virtio-pci", "x-pcie-lnkctl-init", "off" },
85 { "virtio-pci", "x-pcie-pm-init", "off" },
86 { "cirrus-vga", "vgamem_mb", "8" },
87 { "isa-cirrus-vga", "vgamem_mb", "8" },
89 const size_t hw_compat_2_8_len
= G_N_ELEMENTS(hw_compat_2_8
);
91 GlobalProperty hw_compat_2_7
[] = {
92 { "virtio-pci", "page-per-vq", "on" },
93 { "virtio-serial-device", "emergency-write", "off" },
94 { "ioapic", "version", "0x11" },
95 { "intel-iommu", "x-buggy-eim", "true" },
96 { "virtio-pci", "x-ignore-backend-features", "on" },
98 const size_t hw_compat_2_7_len
= G_N_ELEMENTS(hw_compat_2_7
);
100 GlobalProperty hw_compat_2_6
[] = {
101 { "virtio-mmio", "format_transport_address", "off" },
102 /* Optional because not all virtio-pci devices support legacy mode */
103 { "virtio-pci", "disable-modern", "on", .optional
= true },
104 { "virtio-pci", "disable-legacy", "off", .optional
= true },
106 const size_t hw_compat_2_6_len
= G_N_ELEMENTS(hw_compat_2_6
);
108 GlobalProperty hw_compat_2_5
[] = {
109 { "isa-fdc", "fallback", "144" },
110 { "pvscsi", "x-old-pci-configuration", "on" },
111 { "pvscsi", "x-disable-pcie", "on" },
112 { "vmxnet3", "x-old-msi-offsets", "on" },
113 { "vmxnet3", "x-disable-pcie", "on" },
115 const size_t hw_compat_2_5_len
= G_N_ELEMENTS(hw_compat_2_5
);
117 GlobalProperty hw_compat_2_4
[] = {
118 { "virtio-blk-device", "scsi", "true" },
119 { "e1000", "extra_mac_registers", "off" },
120 { "virtio-pci", "x-disable-pcie", "on" },
121 { "virtio-pci", "migrate-extra", "off" },
122 { "fw_cfg_mem", "dma_enabled", "off" },
123 { "fw_cfg_io", "dma_enabled", "off" }
125 const size_t hw_compat_2_4_len
= G_N_ELEMENTS(hw_compat_2_4
);
127 GlobalProperty hw_compat_2_3
[] = {
128 { "virtio-blk-pci", "any_layout", "off" },
129 { "virtio-balloon-pci", "any_layout", "off" },
130 { "virtio-serial-pci", "any_layout", "off" },
131 { "virtio-9p-pci", "any_layout", "off" },
132 { "virtio-rng-pci", "any_layout", "off" },
133 { TYPE_PCI_DEVICE
, "x-pcie-lnksta-dllla", "off" },
134 { "migration", "send-configuration", "off" },
135 { "migration", "send-section-footer", "off" },
136 { "migration", "store-global-state", "off" },
138 const size_t hw_compat_2_3_len
= G_N_ELEMENTS(hw_compat_2_3
);
140 GlobalProperty hw_compat_2_2
[] = {};
141 const size_t hw_compat_2_2_len
= G_N_ELEMENTS(hw_compat_2_2
);
143 GlobalProperty hw_compat_2_1
[] = {
144 { "intel-hda", "old_msi_addr", "on" },
145 { "VGA", "qemu-extended-regs", "off" },
146 { "secondary-vga", "qemu-extended-regs", "off" },
147 { "virtio-scsi-pci", "any_layout", "off" },
148 { "usb-mouse", "usb_version", "1" },
149 { "usb-kbd", "usb_version", "1" },
150 { "virtio-pci", "virtio-pci-bus-master-bug-migration", "on" },
152 const size_t hw_compat_2_1_len
= G_N_ELEMENTS(hw_compat_2_1
);
154 static char *machine_get_accel(Object
*obj
, Error
**errp
)
156 MachineState
*ms
= MACHINE(obj
);
158 return g_strdup(ms
->accel
);
161 static void machine_set_accel(Object
*obj
, const char *value
, Error
**errp
)
163 MachineState
*ms
= MACHINE(obj
);
166 ms
->accel
= g_strdup(value
);
169 static void machine_set_kernel_irqchip(Object
*obj
, Visitor
*v
,
170 const char *name
, void *opaque
,
174 MachineState
*ms
= MACHINE(obj
);
177 visit_type_OnOffSplit(v
, name
, &mode
, &err
);
179 error_propagate(errp
, err
);
183 case ON_OFF_SPLIT_ON
:
184 ms
->kernel_irqchip_allowed
= true;
185 ms
->kernel_irqchip_required
= true;
186 ms
->kernel_irqchip_split
= false;
188 case ON_OFF_SPLIT_OFF
:
189 ms
->kernel_irqchip_allowed
= false;
190 ms
->kernel_irqchip_required
= false;
191 ms
->kernel_irqchip_split
= false;
193 case ON_OFF_SPLIT_SPLIT
:
194 ms
->kernel_irqchip_allowed
= true;
195 ms
->kernel_irqchip_required
= true;
196 ms
->kernel_irqchip_split
= true;
199 /* The value was checked in visit_type_OnOffSplit() above. If
200 * we get here, then something is wrong in QEMU.
207 static void machine_get_kvm_shadow_mem(Object
*obj
, Visitor
*v
,
208 const char *name
, void *opaque
,
211 MachineState
*ms
= MACHINE(obj
);
212 int64_t value
= ms
->kvm_shadow_mem
;
214 visit_type_int(v
, name
, &value
, errp
);
217 static void machine_set_kvm_shadow_mem(Object
*obj
, Visitor
*v
,
218 const char *name
, void *opaque
,
221 MachineState
*ms
= MACHINE(obj
);
225 visit_type_int(v
, name
, &value
, &error
);
227 error_propagate(errp
, error
);
231 ms
->kvm_shadow_mem
= value
;
234 static char *machine_get_kernel(Object
*obj
, Error
**errp
)
236 MachineState
*ms
= MACHINE(obj
);
238 return g_strdup(ms
->kernel_filename
);
241 static void machine_set_kernel(Object
*obj
, const char *value
, Error
**errp
)
243 MachineState
*ms
= MACHINE(obj
);
245 g_free(ms
->kernel_filename
);
246 ms
->kernel_filename
= g_strdup(value
);
249 static char *machine_get_initrd(Object
*obj
, Error
**errp
)
251 MachineState
*ms
= MACHINE(obj
);
253 return g_strdup(ms
->initrd_filename
);
256 static void machine_set_initrd(Object
*obj
, const char *value
, Error
**errp
)
258 MachineState
*ms
= MACHINE(obj
);
260 g_free(ms
->initrd_filename
);
261 ms
->initrd_filename
= g_strdup(value
);
264 static char *machine_get_append(Object
*obj
, Error
**errp
)
266 MachineState
*ms
= MACHINE(obj
);
268 return g_strdup(ms
->kernel_cmdline
);
271 static void machine_set_append(Object
*obj
, const char *value
, Error
**errp
)
273 MachineState
*ms
= MACHINE(obj
);
275 g_free(ms
->kernel_cmdline
);
276 ms
->kernel_cmdline
= g_strdup(value
);
279 static char *machine_get_dtb(Object
*obj
, Error
**errp
)
281 MachineState
*ms
= MACHINE(obj
);
283 return g_strdup(ms
->dtb
);
286 static void machine_set_dtb(Object
*obj
, const char *value
, Error
**errp
)
288 MachineState
*ms
= MACHINE(obj
);
291 ms
->dtb
= g_strdup(value
);
294 static char *machine_get_dumpdtb(Object
*obj
, Error
**errp
)
296 MachineState
*ms
= MACHINE(obj
);
298 return g_strdup(ms
->dumpdtb
);
301 static void machine_set_dumpdtb(Object
*obj
, const char *value
, Error
**errp
)
303 MachineState
*ms
= MACHINE(obj
);
306 ms
->dumpdtb
= g_strdup(value
);
309 static void machine_get_phandle_start(Object
*obj
, Visitor
*v
,
310 const char *name
, void *opaque
,
313 MachineState
*ms
= MACHINE(obj
);
314 int64_t value
= ms
->phandle_start
;
316 visit_type_int(v
, name
, &value
, errp
);
319 static void machine_set_phandle_start(Object
*obj
, Visitor
*v
,
320 const char *name
, void *opaque
,
323 MachineState
*ms
= MACHINE(obj
);
327 visit_type_int(v
, name
, &value
, &error
);
329 error_propagate(errp
, error
);
333 ms
->phandle_start
= value
;
336 static char *machine_get_dt_compatible(Object
*obj
, Error
**errp
)
338 MachineState
*ms
= MACHINE(obj
);
340 return g_strdup(ms
->dt_compatible
);
343 static void machine_set_dt_compatible(Object
*obj
, const char *value
, Error
**errp
)
345 MachineState
*ms
= MACHINE(obj
);
347 g_free(ms
->dt_compatible
);
348 ms
->dt_compatible
= g_strdup(value
);
351 static bool machine_get_dump_guest_core(Object
*obj
, Error
**errp
)
353 MachineState
*ms
= MACHINE(obj
);
355 return ms
->dump_guest_core
;
358 static void machine_set_dump_guest_core(Object
*obj
, bool value
, Error
**errp
)
360 MachineState
*ms
= MACHINE(obj
);
362 ms
->dump_guest_core
= value
;
365 static bool machine_get_mem_merge(Object
*obj
, Error
**errp
)
367 MachineState
*ms
= MACHINE(obj
);
369 return ms
->mem_merge
;
372 static void machine_set_mem_merge(Object
*obj
, bool value
, Error
**errp
)
374 MachineState
*ms
= MACHINE(obj
);
376 ms
->mem_merge
= value
;
379 static bool machine_get_usb(Object
*obj
, Error
**errp
)
381 MachineState
*ms
= MACHINE(obj
);
386 static void machine_set_usb(Object
*obj
, bool value
, Error
**errp
)
388 MachineState
*ms
= MACHINE(obj
);
391 ms
->usb_disabled
= !value
;
394 static bool machine_get_graphics(Object
*obj
, Error
**errp
)
396 MachineState
*ms
= MACHINE(obj
);
398 return ms
->enable_graphics
;
401 static void machine_set_graphics(Object
*obj
, bool value
, Error
**errp
)
403 MachineState
*ms
= MACHINE(obj
);
405 ms
->enable_graphics
= value
;
408 static bool machine_get_igd_gfx_passthru(Object
*obj
, Error
**errp
)
410 MachineState
*ms
= MACHINE(obj
);
412 return ms
->igd_gfx_passthru
;
415 static void machine_set_igd_gfx_passthru(Object
*obj
, bool value
, Error
**errp
)
417 MachineState
*ms
= MACHINE(obj
);
419 ms
->igd_gfx_passthru
= value
;
422 static char *machine_get_firmware(Object
*obj
, Error
**errp
)
424 MachineState
*ms
= MACHINE(obj
);
426 return g_strdup(ms
->firmware
);
429 static void machine_set_firmware(Object
*obj
, const char *value
, Error
**errp
)
431 MachineState
*ms
= MACHINE(obj
);
433 g_free(ms
->firmware
);
434 ms
->firmware
= g_strdup(value
);
437 static void machine_set_suppress_vmdesc(Object
*obj
, bool value
, Error
**errp
)
439 MachineState
*ms
= MACHINE(obj
);
441 ms
->suppress_vmdesc
= value
;
444 static bool machine_get_suppress_vmdesc(Object
*obj
, Error
**errp
)
446 MachineState
*ms
= MACHINE(obj
);
448 return ms
->suppress_vmdesc
;
451 static void machine_set_enforce_config_section(Object
*obj
, bool value
,
454 MachineState
*ms
= MACHINE(obj
);
456 warn_report("enforce-config-section is deprecated, please use "
457 "-global migration.send-configuration=on|off instead");
459 ms
->enforce_config_section
= value
;
462 static bool machine_get_enforce_config_section(Object
*obj
, Error
**errp
)
464 MachineState
*ms
= MACHINE(obj
);
466 return ms
->enforce_config_section
;
469 static char *machine_get_memory_encryption(Object
*obj
, Error
**errp
)
471 MachineState
*ms
= MACHINE(obj
);
473 return g_strdup(ms
->memory_encryption
);
476 static void machine_set_memory_encryption(Object
*obj
, const char *value
,
479 MachineState
*ms
= MACHINE(obj
);
481 g_free(ms
->memory_encryption
);
482 ms
->memory_encryption
= g_strdup(value
);
485 static bool machine_get_nvdimm(Object
*obj
, Error
**errp
)
487 MachineState
*ms
= MACHINE(obj
);
489 return ms
->nvdimms_state
->is_enabled
;
492 static void machine_set_nvdimm(Object
*obj
, bool value
, Error
**errp
)
494 MachineState
*ms
= MACHINE(obj
);
496 ms
->nvdimms_state
->is_enabled
= value
;
499 static char *machine_get_nvdimm_persistence(Object
*obj
, Error
**errp
)
501 MachineState
*ms
= MACHINE(obj
);
503 return g_strdup(ms
->nvdimms_state
->persistence_string
);
506 static void machine_set_nvdimm_persistence(Object
*obj
, const char *value
,
509 MachineState
*ms
= MACHINE(obj
);
510 NVDIMMState
*nvdimms_state
= ms
->nvdimms_state
;
512 if (strcmp(value
, "cpu") == 0) {
513 nvdimms_state
->persistence
= 3;
514 } else if (strcmp(value
, "mem-ctrl") == 0) {
515 nvdimms_state
->persistence
= 2;
517 error_setg(errp
, "-machine nvdimm-persistence=%s: unsupported option",
522 g_free(nvdimms_state
->persistence_string
);
523 nvdimms_state
->persistence_string
= g_strdup(value
);
526 void machine_class_allow_dynamic_sysbus_dev(MachineClass
*mc
, const char *type
)
528 strList
*item
= g_new0(strList
, 1);
530 item
->value
= g_strdup(type
);
531 item
->next
= mc
->allowed_dynamic_sysbus_devices
;
532 mc
->allowed_dynamic_sysbus_devices
= item
;
535 static void validate_sysbus_device(SysBusDevice
*sbdev
, void *opaque
)
537 MachineState
*machine
= opaque
;
538 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
539 bool allowed
= false;
542 for (wl
= mc
->allowed_dynamic_sysbus_devices
;
545 allowed
|= !!object_dynamic_cast(OBJECT(sbdev
), wl
->value
);
549 error_report("Option '-device %s' cannot be handled by this machine",
550 object_class_get_name(object_get_class(OBJECT(sbdev
))));
555 static void machine_init_notify(Notifier
*notifier
, void *data
)
557 MachineState
*machine
= MACHINE(qdev_get_machine());
560 * Loop through all dynamically created sysbus devices and check if they are
561 * all allowed. If a device is not allowed, error out.
563 foreach_dynamic_sysbus_device(validate_sysbus_device
, machine
);
566 HotpluggableCPUList
*machine_query_hotpluggable_cpus(MachineState
*machine
)
569 HotpluggableCPUList
*head
= NULL
;
570 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
572 /* force board to initialize possible_cpus if it hasn't been done yet */
573 mc
->possible_cpu_arch_ids(machine
);
575 for (i
= 0; i
< machine
->possible_cpus
->len
; i
++) {
577 HotpluggableCPUList
*list_item
= g_new0(typeof(*list_item
), 1);
578 HotpluggableCPU
*cpu_item
= g_new0(typeof(*cpu_item
), 1);
580 cpu_item
->type
= g_strdup(machine
->possible_cpus
->cpus
[i
].type
);
581 cpu_item
->vcpus_count
= machine
->possible_cpus
->cpus
[i
].vcpus_count
;
582 cpu_item
->props
= g_memdup(&machine
->possible_cpus
->cpus
[i
].props
,
583 sizeof(*cpu_item
->props
));
585 cpu
= machine
->possible_cpus
->cpus
[i
].cpu
;
587 cpu_item
->has_qom_path
= true;
588 cpu_item
->qom_path
= object_get_canonical_path(cpu
);
590 list_item
->value
= cpu_item
;
591 list_item
->next
= head
;
598 * machine_set_cpu_numa_node:
599 * @machine: machine object to modify
600 * @props: specifies which cpu objects to assign to
601 * numa node specified by @props.node_id
602 * @errp: if an error occurs, a pointer to an area to store the error
604 * Associate NUMA node specified by @props.node_id with cpu slots that
605 * match socket/core/thread-ids specified by @props. It's recommended to use
606 * query-hotpluggable-cpus.props values to specify affected cpu slots,
607 * which would lead to exact 1:1 mapping of cpu slots to NUMA node.
609 * However for CLI convenience it's possible to pass in subset of properties,
610 * which would affect all cpu slots that match it.
612 * -smp 4,cores=2,sockets=2 -numa node,nodeid=0 -numa node,nodeid=1 \
613 * -numa cpu,node-id=0,socket_id=0 \
614 * -numa cpu,node-id=1,socket_id=1
615 * will assign all child cores of socket 0 to node 0 and
616 * of socket 1 to node 1.
618 * On attempt of reassigning (already assigned) cpu slot to another NUMA node,
620 * Empty subset is disallowed and function will return with error in this case.
622 void machine_set_cpu_numa_node(MachineState
*machine
,
623 const CpuInstanceProperties
*props
, Error
**errp
)
625 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
629 if (!mc
->possible_cpu_arch_ids
) {
630 error_setg(errp
, "mapping of CPUs to NUMA node is not supported");
634 /* disabling node mapping is not supported, forbid it */
635 assert(props
->has_node_id
);
637 /* force board to initialize possible_cpus if it hasn't been done yet */
638 mc
->possible_cpu_arch_ids(machine
);
640 for (i
= 0; i
< machine
->possible_cpus
->len
; i
++) {
641 CPUArchId
*slot
= &machine
->possible_cpus
->cpus
[i
];
643 /* reject unsupported by board properties */
644 if (props
->has_thread_id
&& !slot
->props
.has_thread_id
) {
645 error_setg(errp
, "thread-id is not supported");
649 if (props
->has_core_id
&& !slot
->props
.has_core_id
) {
650 error_setg(errp
, "core-id is not supported");
654 if (props
->has_socket_id
&& !slot
->props
.has_socket_id
) {
655 error_setg(errp
, "socket-id is not supported");
659 /* skip slots with explicit mismatch */
660 if (props
->has_thread_id
&& props
->thread_id
!= slot
->props
.thread_id
) {
664 if (props
->has_core_id
&& props
->core_id
!= slot
->props
.core_id
) {
668 if (props
->has_socket_id
&& props
->socket_id
!= slot
->props
.socket_id
) {
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
);
682 /* assign slot to node as it's matched '-numa cpu' key */
684 slot
->props
.node_id
= props
->node_id
;
685 slot
->props
.has_node_id
= props
->has_node_id
;
689 error_setg(errp
, "no match found");
693 static void machine_class_init(ObjectClass
*oc
, void *data
)
695 MachineClass
*mc
= MACHINE_CLASS(oc
);
697 /* Default 128 MB as guest ram size */
698 mc
->default_ram_size
= 128 * MiB
;
699 mc
->rom_file_has_mr
= true;
701 /* numa node memory size aligned on 8MB by default.
702 * On Linux, each node's border has to be 8MB aligned
704 mc
->numa_mem_align_shift
= 23;
705 mc
->numa_auto_assign_ram
= numa_default_auto_assign_ram
;
707 object_class_property_add_str(oc
, "accel",
708 machine_get_accel
, machine_set_accel
, &error_abort
);
709 object_class_property_set_description(oc
, "accel",
710 "Accelerator list", &error_abort
);
712 object_class_property_add(oc
, "kernel-irqchip", "on|off|split",
713 NULL
, machine_set_kernel_irqchip
,
714 NULL
, NULL
, &error_abort
);
715 object_class_property_set_description(oc
, "kernel-irqchip",
716 "Configure KVM in-kernel irqchip", &error_abort
);
718 object_class_property_add(oc
, "kvm-shadow-mem", "int",
719 machine_get_kvm_shadow_mem
, machine_set_kvm_shadow_mem
,
720 NULL
, NULL
, &error_abort
);
721 object_class_property_set_description(oc
, "kvm-shadow-mem",
722 "KVM shadow MMU size", &error_abort
);
724 object_class_property_add_str(oc
, "kernel",
725 machine_get_kernel
, machine_set_kernel
, &error_abort
);
726 object_class_property_set_description(oc
, "kernel",
727 "Linux kernel image file", &error_abort
);
729 object_class_property_add_str(oc
, "initrd",
730 machine_get_initrd
, machine_set_initrd
, &error_abort
);
731 object_class_property_set_description(oc
, "initrd",
732 "Linux initial ramdisk file", &error_abort
);
734 object_class_property_add_str(oc
, "append",
735 machine_get_append
, machine_set_append
, &error_abort
);
736 object_class_property_set_description(oc
, "append",
737 "Linux kernel command line", &error_abort
);
739 object_class_property_add_str(oc
, "dtb",
740 machine_get_dtb
, machine_set_dtb
, &error_abort
);
741 object_class_property_set_description(oc
, "dtb",
742 "Linux kernel device tree file", &error_abort
);
744 object_class_property_add_str(oc
, "dumpdtb",
745 machine_get_dumpdtb
, machine_set_dumpdtb
, &error_abort
);
746 object_class_property_set_description(oc
, "dumpdtb",
747 "Dump current dtb to a file and quit", &error_abort
);
749 object_class_property_add(oc
, "phandle-start", "int",
750 machine_get_phandle_start
, machine_set_phandle_start
,
751 NULL
, NULL
, &error_abort
);
752 object_class_property_set_description(oc
, "phandle-start",
753 "The first phandle ID we may generate dynamically", &error_abort
);
755 object_class_property_add_str(oc
, "dt-compatible",
756 machine_get_dt_compatible
, machine_set_dt_compatible
, &error_abort
);
757 object_class_property_set_description(oc
, "dt-compatible",
758 "Overrides the \"compatible\" property of the dt root node",
761 object_class_property_add_bool(oc
, "dump-guest-core",
762 machine_get_dump_guest_core
, machine_set_dump_guest_core
, &error_abort
);
763 object_class_property_set_description(oc
, "dump-guest-core",
764 "Include guest memory in a core dump", &error_abort
);
766 object_class_property_add_bool(oc
, "mem-merge",
767 machine_get_mem_merge
, machine_set_mem_merge
, &error_abort
);
768 object_class_property_set_description(oc
, "mem-merge",
769 "Enable/disable memory merge support", &error_abort
);
771 object_class_property_add_bool(oc
, "usb",
772 machine_get_usb
, machine_set_usb
, &error_abort
);
773 object_class_property_set_description(oc
, "usb",
774 "Set on/off to enable/disable usb", &error_abort
);
776 object_class_property_add_bool(oc
, "graphics",
777 machine_get_graphics
, machine_set_graphics
, &error_abort
);
778 object_class_property_set_description(oc
, "graphics",
779 "Set on/off to enable/disable graphics emulation", &error_abort
);
781 object_class_property_add_bool(oc
, "igd-passthru",
782 machine_get_igd_gfx_passthru
, machine_set_igd_gfx_passthru
,
784 object_class_property_set_description(oc
, "igd-passthru",
785 "Set on/off to enable/disable igd passthrou", &error_abort
);
787 object_class_property_add_str(oc
, "firmware",
788 machine_get_firmware
, machine_set_firmware
,
790 object_class_property_set_description(oc
, "firmware",
791 "Firmware image", &error_abort
);
793 object_class_property_add_bool(oc
, "suppress-vmdesc",
794 machine_get_suppress_vmdesc
, machine_set_suppress_vmdesc
,
796 object_class_property_set_description(oc
, "suppress-vmdesc",
797 "Set on to disable self-describing migration", &error_abort
);
799 object_class_property_add_bool(oc
, "enforce-config-section",
800 machine_get_enforce_config_section
, machine_set_enforce_config_section
,
802 object_class_property_set_description(oc
, "enforce-config-section",
803 "Set on to enforce configuration section migration", &error_abort
);
805 object_class_property_add_str(oc
, "memory-encryption",
806 machine_get_memory_encryption
, machine_set_memory_encryption
,
808 object_class_property_set_description(oc
, "memory-encryption",
809 "Set memory encryption object to use", &error_abort
);
812 static void machine_class_base_init(ObjectClass
*oc
, void *data
)
814 if (!object_class_is_abstract(oc
)) {
815 MachineClass
*mc
= MACHINE_CLASS(oc
);
816 const char *cname
= object_class_get_name(oc
);
817 assert(g_str_has_suffix(cname
, TYPE_MACHINE_SUFFIX
));
818 mc
->name
= g_strndup(cname
,
819 strlen(cname
) - strlen(TYPE_MACHINE_SUFFIX
));
820 mc
->compat_props
= g_ptr_array_new();
824 static void machine_initfn(Object
*obj
)
826 MachineState
*ms
= MACHINE(obj
);
827 MachineClass
*mc
= MACHINE_GET_CLASS(obj
);
829 ms
->kernel_irqchip_allowed
= true;
830 ms
->kernel_irqchip_split
= mc
->default_kernel_irqchip_split
;
831 ms
->kvm_shadow_mem
= -1;
832 ms
->dump_guest_core
= true;
833 ms
->mem_merge
= true;
834 ms
->enable_graphics
= true;
836 if (mc
->nvdimm_supported
) {
837 Object
*obj
= OBJECT(ms
);
839 ms
->nvdimms_state
= g_new0(NVDIMMState
, 1);
840 object_property_add_bool(obj
, "nvdimm",
841 machine_get_nvdimm
, machine_set_nvdimm
,
843 object_property_set_description(obj
, "nvdimm",
844 "Set on/off to enable/disable "
845 "NVDIMM instantiation", NULL
);
847 object_property_add_str(obj
, "nvdimm-persistence",
848 machine_get_nvdimm_persistence
,
849 machine_set_nvdimm_persistence
,
851 object_property_set_description(obj
, "nvdimm-persistence",
852 "Set NVDIMM persistence"
853 "Valid values are cpu, mem-ctrl",
858 /* Register notifier when init is done for sysbus sanity checks */
859 ms
->sysbus_notifier
.notify
= machine_init_notify
;
860 qemu_add_machine_init_done_notifier(&ms
->sysbus_notifier
);
863 static void machine_finalize(Object
*obj
)
865 MachineState
*ms
= MACHINE(obj
);
868 g_free(ms
->kernel_filename
);
869 g_free(ms
->initrd_filename
);
870 g_free(ms
->kernel_cmdline
);
873 g_free(ms
->dt_compatible
);
874 g_free(ms
->firmware
);
875 g_free(ms
->device_memory
);
876 g_free(ms
->nvdimms_state
);
879 bool machine_usb(MachineState
*machine
)
884 bool machine_kernel_irqchip_allowed(MachineState
*machine
)
886 return machine
->kernel_irqchip_allowed
;
889 bool machine_kernel_irqchip_required(MachineState
*machine
)
891 return machine
->kernel_irqchip_required
;
894 bool machine_kernel_irqchip_split(MachineState
*machine
)
896 return machine
->kernel_irqchip_split
;
899 int machine_kvm_shadow_mem(MachineState
*machine
)
901 return machine
->kvm_shadow_mem
;
904 int machine_phandle_start(MachineState
*machine
)
906 return machine
->phandle_start
;
909 bool machine_dump_guest_core(MachineState
*machine
)
911 return machine
->dump_guest_core
;
914 bool machine_mem_merge(MachineState
*machine
)
916 return machine
->mem_merge
;
919 static char *cpu_slot_to_string(const CPUArchId
*cpu
)
921 GString
*s
= g_string_new(NULL
);
922 if (cpu
->props
.has_socket_id
) {
923 g_string_append_printf(s
, "socket-id: %"PRId64
, cpu
->props
.socket_id
);
925 if (cpu
->props
.has_core_id
) {
927 g_string_append_printf(s
, ", ");
929 g_string_append_printf(s
, "core-id: %"PRId64
, cpu
->props
.core_id
);
931 if (cpu
->props
.has_thread_id
) {
933 g_string_append_printf(s
, ", ");
935 g_string_append_printf(s
, "thread-id: %"PRId64
, cpu
->props
.thread_id
);
937 return g_string_free(s
, false);
940 static void machine_numa_finish_cpu_init(MachineState
*machine
)
943 bool default_mapping
;
944 GString
*s
= g_string_new(NULL
);
945 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
946 const CPUArchIdList
*possible_cpus
= mc
->possible_cpu_arch_ids(machine
);
948 assert(nb_numa_nodes
);
949 for (i
= 0; i
< possible_cpus
->len
; i
++) {
950 if (possible_cpus
->cpus
[i
].props
.has_node_id
) {
954 default_mapping
= (i
== possible_cpus
->len
);
956 for (i
= 0; i
< possible_cpus
->len
; i
++) {
957 const CPUArchId
*cpu_slot
= &possible_cpus
->cpus
[i
];
959 if (!cpu_slot
->props
.has_node_id
) {
960 /* fetch default mapping from board and enable it */
961 CpuInstanceProperties props
= cpu_slot
->props
;
963 props
.node_id
= mc
->get_default_cpu_node_id(machine
, i
);
964 if (!default_mapping
) {
965 /* record slots with not set mapping,
966 * TODO: make it hard error in future */
967 char *cpu_str
= cpu_slot_to_string(cpu_slot
);
968 g_string_append_printf(s
, "%sCPU %d [%s]",
969 s
->len
? ", " : "", i
, cpu_str
);
972 /* non mapped cpus used to fallback to node 0 */
976 props
.has_node_id
= true;
977 machine_set_cpu_numa_node(machine
, &props
, &error_fatal
);
980 if (s
->len
&& !qtest_enabled()) {
981 warn_report("CPU(s) not present in any NUMA nodes: %s",
983 warn_report("All CPU(s) up to maxcpus should be described "
984 "in NUMA config, ability to start up with partial NUMA "
985 "mappings is obsoleted and will be removed in future");
987 g_string_free(s
, true);
990 void machine_run_board_init(MachineState
*machine
)
992 MachineClass
*machine_class
= MACHINE_GET_CLASS(machine
);
994 numa_complete_configuration(machine
);
996 machine_numa_finish_cpu_init(machine
);
999 /* If the machine supports the valid_cpu_types check and the user
1000 * specified a CPU with -cpu check here that the user CPU is supported.
1002 if (machine_class
->valid_cpu_types
&& machine
->cpu_type
) {
1003 ObjectClass
*class = object_class_by_name(machine
->cpu_type
);
1006 for (i
= 0; machine_class
->valid_cpu_types
[i
]; i
++) {
1007 if (object_class_dynamic_cast(class,
1008 machine_class
->valid_cpu_types
[i
])) {
1009 /* The user specificed CPU is in the valid field, we are
1016 if (!machine_class
->valid_cpu_types
[i
]) {
1017 /* The user specified CPU is not valid */
1018 error_report("Invalid CPU type: %s", machine
->cpu_type
);
1019 error_printf("The valid types are: %s",
1020 machine_class
->valid_cpu_types
[0]);
1021 for (i
= 1; machine_class
->valid_cpu_types
[i
]; i
++) {
1022 error_printf(", %s", machine_class
->valid_cpu_types
[i
]);
1030 machine_class
->init(machine
);
1033 static const TypeInfo machine_info
= {
1034 .name
= TYPE_MACHINE
,
1035 .parent
= TYPE_OBJECT
,
1037 .class_size
= sizeof(MachineClass
),
1038 .class_init
= machine_class_init
,
1039 .class_base_init
= machine_class_base_init
,
1040 .instance_size
= sizeof(MachineState
),
1041 .instance_init
= machine_initfn
,
1042 .instance_finalize
= machine_finalize
,
1045 static void machine_register_types(void)
1047 type_register_static(&machine_info
);
1050 type_init(machine_register_types
)