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_4_0
[] = {};
28 const size_t hw_compat_4_0_len
= G_N_ELEMENTS(hw_compat_4_0
);
30 GlobalProperty hw_compat_3_1
[] = {
31 { "pcie-root-port", "x-speed", "2_5" },
32 { "pcie-root-port", "x-width", "1" },
33 { "memory-backend-file", "x-use-canonical-path-for-ramblock-id", "true" },
34 { "memory-backend-memfd", "x-use-canonical-path-for-ramblock-id", "true" },
35 { "tpm-crb", "ppi", "false" },
36 { "tpm-tis", "ppi", "false" },
37 { "usb-kbd", "serial", "42" },
38 { "usb-mouse", "serial", "42" },
39 { "usb-kbd", "serial", "42" },
40 { "virtio-blk-device", "discard", "false" },
41 { "virtio-blk-device", "write-zeroes", "false" },
43 const size_t hw_compat_3_1_len
= G_N_ELEMENTS(hw_compat_3_1
);
45 GlobalProperty hw_compat_3_0
[] = {};
46 const size_t hw_compat_3_0_len
= G_N_ELEMENTS(hw_compat_3_0
);
48 GlobalProperty hw_compat_2_12
[] = {
49 { "migration", "decompress-error-check", "off" },
50 { "hda-audio", "use-timer", "false" },
51 { "cirrus-vga", "global-vmstate", "true" },
52 { "VGA", "global-vmstate", "true" },
53 { "vmware-svga", "global-vmstate", "true" },
54 { "qxl-vga", "global-vmstate", "true" },
56 const size_t hw_compat_2_12_len
= G_N_ELEMENTS(hw_compat_2_12
);
58 GlobalProperty hw_compat_2_11
[] = {
59 { "hpet", "hpet-offset-saved", "false" },
60 { "virtio-blk-pci", "vectors", "2" },
61 { "vhost-user-blk-pci", "vectors", "2" },
62 { "e1000", "migrate_tso_props", "off" },
64 const size_t hw_compat_2_11_len
= G_N_ELEMENTS(hw_compat_2_11
);
66 GlobalProperty hw_compat_2_10
[] = {
67 { "virtio-mouse-device", "wheel-axis", "false" },
68 { "virtio-tablet-device", "wheel-axis", "false" },
70 const size_t hw_compat_2_10_len
= G_N_ELEMENTS(hw_compat_2_10
);
72 GlobalProperty hw_compat_2_9
[] = {
73 { "pci-bridge", "shpc", "off" },
74 { "intel-iommu", "pt", "off" },
75 { "virtio-net-device", "x-mtu-bypass-backend", "off" },
76 { "pcie-root-port", "x-migrate-msix", "false" },
78 const size_t hw_compat_2_9_len
= G_N_ELEMENTS(hw_compat_2_9
);
80 GlobalProperty hw_compat_2_8
[] = {
81 { "fw_cfg_mem", "x-file-slots", "0x10" },
82 { "fw_cfg_io", "x-file-slots", "0x10" },
83 { "pflash_cfi01", "old-multiple-chip-handling", "on" },
84 { "pci-bridge", "shpc", "on" },
85 { TYPE_PCI_DEVICE
, "x-pcie-extcap-init", "off" },
86 { "virtio-pci", "x-pcie-deverr-init", "off" },
87 { "virtio-pci", "x-pcie-lnkctl-init", "off" },
88 { "virtio-pci", "x-pcie-pm-init", "off" },
89 { "cirrus-vga", "vgamem_mb", "8" },
90 { "isa-cirrus-vga", "vgamem_mb", "8" },
92 const size_t hw_compat_2_8_len
= G_N_ELEMENTS(hw_compat_2_8
);
94 GlobalProperty hw_compat_2_7
[] = {
95 { "virtio-pci", "page-per-vq", "on" },
96 { "virtio-serial-device", "emergency-write", "off" },
97 { "ioapic", "version", "0x11" },
98 { "intel-iommu", "x-buggy-eim", "true" },
99 { "virtio-pci", "x-ignore-backend-features", "on" },
101 const size_t hw_compat_2_7_len
= G_N_ELEMENTS(hw_compat_2_7
);
103 GlobalProperty hw_compat_2_6
[] = {
104 { "virtio-mmio", "format_transport_address", "off" },
105 /* Optional because not all virtio-pci devices support legacy mode */
106 { "virtio-pci", "disable-modern", "on", .optional
= true },
107 { "virtio-pci", "disable-legacy", "off", .optional
= true },
109 const size_t hw_compat_2_6_len
= G_N_ELEMENTS(hw_compat_2_6
);
111 GlobalProperty hw_compat_2_5
[] = {
112 { "isa-fdc", "fallback", "144" },
113 { "pvscsi", "x-old-pci-configuration", "on" },
114 { "pvscsi", "x-disable-pcie", "on" },
115 { "vmxnet3", "x-old-msi-offsets", "on" },
116 { "vmxnet3", "x-disable-pcie", "on" },
118 const size_t hw_compat_2_5_len
= G_N_ELEMENTS(hw_compat_2_5
);
120 GlobalProperty hw_compat_2_4
[] = {
121 { "virtio-blk-device", "scsi", "true" },
122 { "e1000", "extra_mac_registers", "off" },
123 { "virtio-pci", "x-disable-pcie", "on" },
124 { "virtio-pci", "migrate-extra", "off" },
125 { "fw_cfg_mem", "dma_enabled", "off" },
126 { "fw_cfg_io", "dma_enabled", "off" }
128 const size_t hw_compat_2_4_len
= G_N_ELEMENTS(hw_compat_2_4
);
130 GlobalProperty hw_compat_2_3
[] = {
131 { "virtio-blk-pci", "any_layout", "off" },
132 { "virtio-balloon-pci", "any_layout", "off" },
133 { "virtio-serial-pci", "any_layout", "off" },
134 { "virtio-9p-pci", "any_layout", "off" },
135 { "virtio-rng-pci", "any_layout", "off" },
136 { TYPE_PCI_DEVICE
, "x-pcie-lnksta-dllla", "off" },
137 { "migration", "send-configuration", "off" },
138 { "migration", "send-section-footer", "off" },
139 { "migration", "store-global-state", "off" },
141 const size_t hw_compat_2_3_len
= G_N_ELEMENTS(hw_compat_2_3
);
143 GlobalProperty hw_compat_2_2
[] = {};
144 const size_t hw_compat_2_2_len
= G_N_ELEMENTS(hw_compat_2_2
);
146 GlobalProperty hw_compat_2_1
[] = {
147 { "intel-hda", "old_msi_addr", "on" },
148 { "VGA", "qemu-extended-regs", "off" },
149 { "secondary-vga", "qemu-extended-regs", "off" },
150 { "virtio-scsi-pci", "any_layout", "off" },
151 { "usb-mouse", "usb_version", "1" },
152 { "usb-kbd", "usb_version", "1" },
153 { "virtio-pci", "virtio-pci-bus-master-bug-migration", "on" },
155 const size_t hw_compat_2_1_len
= G_N_ELEMENTS(hw_compat_2_1
);
157 static char *machine_get_accel(Object
*obj
, Error
**errp
)
159 MachineState
*ms
= MACHINE(obj
);
161 return g_strdup(ms
->accel
);
164 static void machine_set_accel(Object
*obj
, const char *value
, Error
**errp
)
166 MachineState
*ms
= MACHINE(obj
);
169 ms
->accel
= g_strdup(value
);
172 static void machine_set_kernel_irqchip(Object
*obj
, Visitor
*v
,
173 const char *name
, void *opaque
,
177 MachineState
*ms
= MACHINE(obj
);
180 visit_type_OnOffSplit(v
, name
, &mode
, &err
);
182 error_propagate(errp
, err
);
186 case ON_OFF_SPLIT_ON
:
187 ms
->kernel_irqchip_allowed
= true;
188 ms
->kernel_irqchip_required
= true;
189 ms
->kernel_irqchip_split
= false;
191 case ON_OFF_SPLIT_OFF
:
192 ms
->kernel_irqchip_allowed
= false;
193 ms
->kernel_irqchip_required
= false;
194 ms
->kernel_irqchip_split
= false;
196 case ON_OFF_SPLIT_SPLIT
:
197 ms
->kernel_irqchip_allowed
= true;
198 ms
->kernel_irqchip_required
= true;
199 ms
->kernel_irqchip_split
= true;
202 /* The value was checked in visit_type_OnOffSplit() above. If
203 * we get here, then something is wrong in QEMU.
210 static void machine_get_kvm_shadow_mem(Object
*obj
, Visitor
*v
,
211 const char *name
, void *opaque
,
214 MachineState
*ms
= MACHINE(obj
);
215 int64_t value
= ms
->kvm_shadow_mem
;
217 visit_type_int(v
, name
, &value
, errp
);
220 static void machine_set_kvm_shadow_mem(Object
*obj
, Visitor
*v
,
221 const char *name
, void *opaque
,
224 MachineState
*ms
= MACHINE(obj
);
228 visit_type_int(v
, name
, &value
, &error
);
230 error_propagate(errp
, error
);
234 ms
->kvm_shadow_mem
= value
;
237 static char *machine_get_kernel(Object
*obj
, Error
**errp
)
239 MachineState
*ms
= MACHINE(obj
);
241 return g_strdup(ms
->kernel_filename
);
244 static void machine_set_kernel(Object
*obj
, const char *value
, Error
**errp
)
246 MachineState
*ms
= MACHINE(obj
);
248 g_free(ms
->kernel_filename
);
249 ms
->kernel_filename
= g_strdup(value
);
252 static char *machine_get_initrd(Object
*obj
, Error
**errp
)
254 MachineState
*ms
= MACHINE(obj
);
256 return g_strdup(ms
->initrd_filename
);
259 static void machine_set_initrd(Object
*obj
, const char *value
, Error
**errp
)
261 MachineState
*ms
= MACHINE(obj
);
263 g_free(ms
->initrd_filename
);
264 ms
->initrd_filename
= g_strdup(value
);
267 static char *machine_get_append(Object
*obj
, Error
**errp
)
269 MachineState
*ms
= MACHINE(obj
);
271 return g_strdup(ms
->kernel_cmdline
);
274 static void machine_set_append(Object
*obj
, const char *value
, Error
**errp
)
276 MachineState
*ms
= MACHINE(obj
);
278 g_free(ms
->kernel_cmdline
);
279 ms
->kernel_cmdline
= g_strdup(value
);
282 static char *machine_get_dtb(Object
*obj
, Error
**errp
)
284 MachineState
*ms
= MACHINE(obj
);
286 return g_strdup(ms
->dtb
);
289 static void machine_set_dtb(Object
*obj
, const char *value
, Error
**errp
)
291 MachineState
*ms
= MACHINE(obj
);
294 ms
->dtb
= g_strdup(value
);
297 static char *machine_get_dumpdtb(Object
*obj
, Error
**errp
)
299 MachineState
*ms
= MACHINE(obj
);
301 return g_strdup(ms
->dumpdtb
);
304 static void machine_set_dumpdtb(Object
*obj
, const char *value
, Error
**errp
)
306 MachineState
*ms
= MACHINE(obj
);
309 ms
->dumpdtb
= g_strdup(value
);
312 static void machine_get_phandle_start(Object
*obj
, Visitor
*v
,
313 const char *name
, void *opaque
,
316 MachineState
*ms
= MACHINE(obj
);
317 int64_t value
= ms
->phandle_start
;
319 visit_type_int(v
, name
, &value
, errp
);
322 static void machine_set_phandle_start(Object
*obj
, Visitor
*v
,
323 const char *name
, void *opaque
,
326 MachineState
*ms
= MACHINE(obj
);
330 visit_type_int(v
, name
, &value
, &error
);
332 error_propagate(errp
, error
);
336 ms
->phandle_start
= value
;
339 static char *machine_get_dt_compatible(Object
*obj
, Error
**errp
)
341 MachineState
*ms
= MACHINE(obj
);
343 return g_strdup(ms
->dt_compatible
);
346 static void machine_set_dt_compatible(Object
*obj
, const char *value
, Error
**errp
)
348 MachineState
*ms
= MACHINE(obj
);
350 g_free(ms
->dt_compatible
);
351 ms
->dt_compatible
= g_strdup(value
);
354 static bool machine_get_dump_guest_core(Object
*obj
, Error
**errp
)
356 MachineState
*ms
= MACHINE(obj
);
358 return ms
->dump_guest_core
;
361 static void machine_set_dump_guest_core(Object
*obj
, bool value
, Error
**errp
)
363 MachineState
*ms
= MACHINE(obj
);
365 ms
->dump_guest_core
= value
;
368 static bool machine_get_mem_merge(Object
*obj
, Error
**errp
)
370 MachineState
*ms
= MACHINE(obj
);
372 return ms
->mem_merge
;
375 static void machine_set_mem_merge(Object
*obj
, bool value
, Error
**errp
)
377 MachineState
*ms
= MACHINE(obj
);
379 ms
->mem_merge
= value
;
382 static bool machine_get_usb(Object
*obj
, Error
**errp
)
384 MachineState
*ms
= MACHINE(obj
);
389 static void machine_set_usb(Object
*obj
, bool value
, Error
**errp
)
391 MachineState
*ms
= MACHINE(obj
);
394 ms
->usb_disabled
= !value
;
397 static bool machine_get_graphics(Object
*obj
, Error
**errp
)
399 MachineState
*ms
= MACHINE(obj
);
401 return ms
->enable_graphics
;
404 static void machine_set_graphics(Object
*obj
, bool value
, Error
**errp
)
406 MachineState
*ms
= MACHINE(obj
);
408 ms
->enable_graphics
= value
;
411 static bool machine_get_igd_gfx_passthru(Object
*obj
, Error
**errp
)
413 MachineState
*ms
= MACHINE(obj
);
415 return ms
->igd_gfx_passthru
;
418 static void machine_set_igd_gfx_passthru(Object
*obj
, bool value
, Error
**errp
)
420 MachineState
*ms
= MACHINE(obj
);
422 ms
->igd_gfx_passthru
= value
;
425 static char *machine_get_firmware(Object
*obj
, Error
**errp
)
427 MachineState
*ms
= MACHINE(obj
);
429 return g_strdup(ms
->firmware
);
432 static void machine_set_firmware(Object
*obj
, const char *value
, Error
**errp
)
434 MachineState
*ms
= MACHINE(obj
);
436 g_free(ms
->firmware
);
437 ms
->firmware
= g_strdup(value
);
440 static void machine_set_suppress_vmdesc(Object
*obj
, bool value
, Error
**errp
)
442 MachineState
*ms
= MACHINE(obj
);
444 ms
->suppress_vmdesc
= value
;
447 static bool machine_get_suppress_vmdesc(Object
*obj
, Error
**errp
)
449 MachineState
*ms
= MACHINE(obj
);
451 return ms
->suppress_vmdesc
;
454 static void machine_set_enforce_config_section(Object
*obj
, bool value
,
457 MachineState
*ms
= MACHINE(obj
);
459 warn_report("enforce-config-section is deprecated, please use "
460 "-global migration.send-configuration=on|off instead");
462 ms
->enforce_config_section
= value
;
465 static bool machine_get_enforce_config_section(Object
*obj
, Error
**errp
)
467 MachineState
*ms
= MACHINE(obj
);
469 return ms
->enforce_config_section
;
472 static char *machine_get_memory_encryption(Object
*obj
, Error
**errp
)
474 MachineState
*ms
= MACHINE(obj
);
476 return g_strdup(ms
->memory_encryption
);
479 static void machine_set_memory_encryption(Object
*obj
, const char *value
,
482 MachineState
*ms
= MACHINE(obj
);
484 g_free(ms
->memory_encryption
);
485 ms
->memory_encryption
= g_strdup(value
);
488 static bool machine_get_nvdimm(Object
*obj
, Error
**errp
)
490 MachineState
*ms
= MACHINE(obj
);
492 return ms
->nvdimms_state
->is_enabled
;
495 static void machine_set_nvdimm(Object
*obj
, bool value
, Error
**errp
)
497 MachineState
*ms
= MACHINE(obj
);
499 ms
->nvdimms_state
->is_enabled
= value
;
502 static char *machine_get_nvdimm_persistence(Object
*obj
, Error
**errp
)
504 MachineState
*ms
= MACHINE(obj
);
506 return g_strdup(ms
->nvdimms_state
->persistence_string
);
509 static void machine_set_nvdimm_persistence(Object
*obj
, const char *value
,
512 MachineState
*ms
= MACHINE(obj
);
513 NVDIMMState
*nvdimms_state
= ms
->nvdimms_state
;
515 if (strcmp(value
, "cpu") == 0) {
516 nvdimms_state
->persistence
= 3;
517 } else if (strcmp(value
, "mem-ctrl") == 0) {
518 nvdimms_state
->persistence
= 2;
520 error_setg(errp
, "-machine nvdimm-persistence=%s: unsupported option",
525 g_free(nvdimms_state
->persistence_string
);
526 nvdimms_state
->persistence_string
= g_strdup(value
);
529 void machine_class_allow_dynamic_sysbus_dev(MachineClass
*mc
, const char *type
)
531 strList
*item
= g_new0(strList
, 1);
533 item
->value
= g_strdup(type
);
534 item
->next
= mc
->allowed_dynamic_sysbus_devices
;
535 mc
->allowed_dynamic_sysbus_devices
= item
;
538 static void validate_sysbus_device(SysBusDevice
*sbdev
, void *opaque
)
540 MachineState
*machine
= opaque
;
541 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
542 bool allowed
= false;
545 for (wl
= mc
->allowed_dynamic_sysbus_devices
;
548 allowed
|= !!object_dynamic_cast(OBJECT(sbdev
), wl
->value
);
552 error_report("Option '-device %s' cannot be handled by this machine",
553 object_class_get_name(object_get_class(OBJECT(sbdev
))));
558 static void machine_init_notify(Notifier
*notifier
, void *data
)
560 MachineState
*machine
= MACHINE(qdev_get_machine());
563 * Loop through all dynamically created sysbus devices and check if they are
564 * all allowed. If a device is not allowed, error out.
566 foreach_dynamic_sysbus_device(validate_sysbus_device
, machine
);
569 HotpluggableCPUList
*machine_query_hotpluggable_cpus(MachineState
*machine
)
572 HotpluggableCPUList
*head
= NULL
;
573 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
575 /* force board to initialize possible_cpus if it hasn't been done yet */
576 mc
->possible_cpu_arch_ids(machine
);
578 for (i
= 0; i
< machine
->possible_cpus
->len
; i
++) {
580 HotpluggableCPUList
*list_item
= g_new0(typeof(*list_item
), 1);
581 HotpluggableCPU
*cpu_item
= g_new0(typeof(*cpu_item
), 1);
583 cpu_item
->type
= g_strdup(machine
->possible_cpus
->cpus
[i
].type
);
584 cpu_item
->vcpus_count
= machine
->possible_cpus
->cpus
[i
].vcpus_count
;
585 cpu_item
->props
= g_memdup(&machine
->possible_cpus
->cpus
[i
].props
,
586 sizeof(*cpu_item
->props
));
588 cpu
= machine
->possible_cpus
->cpus
[i
].cpu
;
590 cpu_item
->has_qom_path
= true;
591 cpu_item
->qom_path
= object_get_canonical_path(cpu
);
593 list_item
->value
= cpu_item
;
594 list_item
->next
= head
;
601 * machine_set_cpu_numa_node:
602 * @machine: machine object to modify
603 * @props: specifies which cpu objects to assign to
604 * numa node specified by @props.node_id
605 * @errp: if an error occurs, a pointer to an area to store the error
607 * Associate NUMA node specified by @props.node_id with cpu slots that
608 * match socket/core/thread-ids specified by @props. It's recommended to use
609 * query-hotpluggable-cpus.props values to specify affected cpu slots,
610 * which would lead to exact 1:1 mapping of cpu slots to NUMA node.
612 * However for CLI convenience it's possible to pass in subset of properties,
613 * which would affect all cpu slots that match it.
615 * -smp 4,cores=2,sockets=2 -numa node,nodeid=0 -numa node,nodeid=1 \
616 * -numa cpu,node-id=0,socket_id=0 \
617 * -numa cpu,node-id=1,socket_id=1
618 * will assign all child cores of socket 0 to node 0 and
619 * of socket 1 to node 1.
621 * On attempt of reassigning (already assigned) cpu slot to another NUMA node,
623 * Empty subset is disallowed and function will return with error in this case.
625 void machine_set_cpu_numa_node(MachineState
*machine
,
626 const CpuInstanceProperties
*props
, Error
**errp
)
628 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
632 if (!mc
->possible_cpu_arch_ids
) {
633 error_setg(errp
, "mapping of CPUs to NUMA node is not supported");
637 /* disabling node mapping is not supported, forbid it */
638 assert(props
->has_node_id
);
640 /* force board to initialize possible_cpus if it hasn't been done yet */
641 mc
->possible_cpu_arch_ids(machine
);
643 for (i
= 0; i
< machine
->possible_cpus
->len
; i
++) {
644 CPUArchId
*slot
= &machine
->possible_cpus
->cpus
[i
];
646 /* reject unsupported by board properties */
647 if (props
->has_thread_id
&& !slot
->props
.has_thread_id
) {
648 error_setg(errp
, "thread-id is not supported");
652 if (props
->has_core_id
&& !slot
->props
.has_core_id
) {
653 error_setg(errp
, "core-id is not supported");
657 if (props
->has_socket_id
&& !slot
->props
.has_socket_id
) {
658 error_setg(errp
, "socket-id is not supported");
662 /* skip slots with explicit mismatch */
663 if (props
->has_thread_id
&& props
->thread_id
!= slot
->props
.thread_id
) {
667 if (props
->has_core_id
&& props
->core_id
!= slot
->props
.core_id
) {
671 if (props
->has_socket_id
&& props
->socket_id
!= slot
->props
.socket_id
) {
675 /* reject assignment if slot is already assigned, for compatibility
676 * of legacy cpu_index mapping with SPAPR core based mapping do not
677 * error out if cpu thread and matched core have the same node-id */
678 if (slot
->props
.has_node_id
&&
679 slot
->props
.node_id
!= props
->node_id
) {
680 error_setg(errp
, "CPU is already assigned to node-id: %" PRId64
,
681 slot
->props
.node_id
);
685 /* assign slot to node as it's matched '-numa cpu' key */
687 slot
->props
.node_id
= props
->node_id
;
688 slot
->props
.has_node_id
= props
->has_node_id
;
692 error_setg(errp
, "no match found");
696 static void machine_class_init(ObjectClass
*oc
, void *data
)
698 MachineClass
*mc
= MACHINE_CLASS(oc
);
700 /* Default 128 MB as guest ram size */
701 mc
->default_ram_size
= 128 * MiB
;
702 mc
->rom_file_has_mr
= true;
704 /* numa node memory size aligned on 8MB by default.
705 * On Linux, each node's border has to be 8MB aligned
707 mc
->numa_mem_align_shift
= 23;
708 mc
->numa_auto_assign_ram
= numa_default_auto_assign_ram
;
710 object_class_property_add_str(oc
, "accel",
711 machine_get_accel
, machine_set_accel
, &error_abort
);
712 object_class_property_set_description(oc
, "accel",
713 "Accelerator list", &error_abort
);
715 object_class_property_add(oc
, "kernel-irqchip", "on|off|split",
716 NULL
, machine_set_kernel_irqchip
,
717 NULL
, NULL
, &error_abort
);
718 object_class_property_set_description(oc
, "kernel-irqchip",
719 "Configure KVM in-kernel irqchip", &error_abort
);
721 object_class_property_add(oc
, "kvm-shadow-mem", "int",
722 machine_get_kvm_shadow_mem
, machine_set_kvm_shadow_mem
,
723 NULL
, NULL
, &error_abort
);
724 object_class_property_set_description(oc
, "kvm-shadow-mem",
725 "KVM shadow MMU size", &error_abort
);
727 object_class_property_add_str(oc
, "kernel",
728 machine_get_kernel
, machine_set_kernel
, &error_abort
);
729 object_class_property_set_description(oc
, "kernel",
730 "Linux kernel image file", &error_abort
);
732 object_class_property_add_str(oc
, "initrd",
733 machine_get_initrd
, machine_set_initrd
, &error_abort
);
734 object_class_property_set_description(oc
, "initrd",
735 "Linux initial ramdisk file", &error_abort
);
737 object_class_property_add_str(oc
, "append",
738 machine_get_append
, machine_set_append
, &error_abort
);
739 object_class_property_set_description(oc
, "append",
740 "Linux kernel command line", &error_abort
);
742 object_class_property_add_str(oc
, "dtb",
743 machine_get_dtb
, machine_set_dtb
, &error_abort
);
744 object_class_property_set_description(oc
, "dtb",
745 "Linux kernel device tree file", &error_abort
);
747 object_class_property_add_str(oc
, "dumpdtb",
748 machine_get_dumpdtb
, machine_set_dumpdtb
, &error_abort
);
749 object_class_property_set_description(oc
, "dumpdtb",
750 "Dump current dtb to a file and quit", &error_abort
);
752 object_class_property_add(oc
, "phandle-start", "int",
753 machine_get_phandle_start
, machine_set_phandle_start
,
754 NULL
, NULL
, &error_abort
);
755 object_class_property_set_description(oc
, "phandle-start",
756 "The first phandle ID we may generate dynamically", &error_abort
);
758 object_class_property_add_str(oc
, "dt-compatible",
759 machine_get_dt_compatible
, machine_set_dt_compatible
, &error_abort
);
760 object_class_property_set_description(oc
, "dt-compatible",
761 "Overrides the \"compatible\" property of the dt root node",
764 object_class_property_add_bool(oc
, "dump-guest-core",
765 machine_get_dump_guest_core
, machine_set_dump_guest_core
, &error_abort
);
766 object_class_property_set_description(oc
, "dump-guest-core",
767 "Include guest memory in a core dump", &error_abort
);
769 object_class_property_add_bool(oc
, "mem-merge",
770 machine_get_mem_merge
, machine_set_mem_merge
, &error_abort
);
771 object_class_property_set_description(oc
, "mem-merge",
772 "Enable/disable memory merge support", &error_abort
);
774 object_class_property_add_bool(oc
, "usb",
775 machine_get_usb
, machine_set_usb
, &error_abort
);
776 object_class_property_set_description(oc
, "usb",
777 "Set on/off to enable/disable usb", &error_abort
);
779 object_class_property_add_bool(oc
, "graphics",
780 machine_get_graphics
, machine_set_graphics
, &error_abort
);
781 object_class_property_set_description(oc
, "graphics",
782 "Set on/off to enable/disable graphics emulation", &error_abort
);
784 object_class_property_add_bool(oc
, "igd-passthru",
785 machine_get_igd_gfx_passthru
, machine_set_igd_gfx_passthru
,
787 object_class_property_set_description(oc
, "igd-passthru",
788 "Set on/off to enable/disable igd passthrou", &error_abort
);
790 object_class_property_add_str(oc
, "firmware",
791 machine_get_firmware
, machine_set_firmware
,
793 object_class_property_set_description(oc
, "firmware",
794 "Firmware image", &error_abort
);
796 object_class_property_add_bool(oc
, "suppress-vmdesc",
797 machine_get_suppress_vmdesc
, machine_set_suppress_vmdesc
,
799 object_class_property_set_description(oc
, "suppress-vmdesc",
800 "Set on to disable self-describing migration", &error_abort
);
802 object_class_property_add_bool(oc
, "enforce-config-section",
803 machine_get_enforce_config_section
, machine_set_enforce_config_section
,
805 object_class_property_set_description(oc
, "enforce-config-section",
806 "Set on to enforce configuration section migration", &error_abort
);
808 object_class_property_add_str(oc
, "memory-encryption",
809 machine_get_memory_encryption
, machine_set_memory_encryption
,
811 object_class_property_set_description(oc
, "memory-encryption",
812 "Set memory encryption object to use", &error_abort
);
815 static void machine_class_base_init(ObjectClass
*oc
, void *data
)
817 if (!object_class_is_abstract(oc
)) {
818 MachineClass
*mc
= MACHINE_CLASS(oc
);
819 const char *cname
= object_class_get_name(oc
);
820 assert(g_str_has_suffix(cname
, TYPE_MACHINE_SUFFIX
));
821 mc
->name
= g_strndup(cname
,
822 strlen(cname
) - strlen(TYPE_MACHINE_SUFFIX
));
823 mc
->compat_props
= g_ptr_array_new();
827 static void machine_initfn(Object
*obj
)
829 MachineState
*ms
= MACHINE(obj
);
830 MachineClass
*mc
= MACHINE_GET_CLASS(obj
);
832 ms
->kernel_irqchip_allowed
= true;
833 ms
->kernel_irqchip_split
= mc
->default_kernel_irqchip_split
;
834 ms
->kvm_shadow_mem
= -1;
835 ms
->dump_guest_core
= true;
836 ms
->mem_merge
= true;
837 ms
->enable_graphics
= true;
839 if (mc
->nvdimm_supported
) {
840 Object
*obj
= OBJECT(ms
);
842 ms
->nvdimms_state
= g_new0(NVDIMMState
, 1);
843 object_property_add_bool(obj
, "nvdimm",
844 machine_get_nvdimm
, machine_set_nvdimm
,
846 object_property_set_description(obj
, "nvdimm",
847 "Set on/off to enable/disable "
848 "NVDIMM instantiation", NULL
);
850 object_property_add_str(obj
, "nvdimm-persistence",
851 machine_get_nvdimm_persistence
,
852 machine_set_nvdimm_persistence
,
854 object_property_set_description(obj
, "nvdimm-persistence",
855 "Set NVDIMM persistence"
856 "Valid values are cpu, mem-ctrl",
861 /* Register notifier when init is done for sysbus sanity checks */
862 ms
->sysbus_notifier
.notify
= machine_init_notify
;
863 qemu_add_machine_init_done_notifier(&ms
->sysbus_notifier
);
866 static void machine_finalize(Object
*obj
)
868 MachineState
*ms
= MACHINE(obj
);
871 g_free(ms
->kernel_filename
);
872 g_free(ms
->initrd_filename
);
873 g_free(ms
->kernel_cmdline
);
876 g_free(ms
->dt_compatible
);
877 g_free(ms
->firmware
);
878 g_free(ms
->device_memory
);
879 g_free(ms
->nvdimms_state
);
882 bool machine_usb(MachineState
*machine
)
887 bool machine_kernel_irqchip_allowed(MachineState
*machine
)
889 return machine
->kernel_irqchip_allowed
;
892 bool machine_kernel_irqchip_required(MachineState
*machine
)
894 return machine
->kernel_irqchip_required
;
897 bool machine_kernel_irqchip_split(MachineState
*machine
)
899 return machine
->kernel_irqchip_split
;
902 int machine_kvm_shadow_mem(MachineState
*machine
)
904 return machine
->kvm_shadow_mem
;
907 int machine_phandle_start(MachineState
*machine
)
909 return machine
->phandle_start
;
912 bool machine_dump_guest_core(MachineState
*machine
)
914 return machine
->dump_guest_core
;
917 bool machine_mem_merge(MachineState
*machine
)
919 return machine
->mem_merge
;
922 static char *cpu_slot_to_string(const CPUArchId
*cpu
)
924 GString
*s
= g_string_new(NULL
);
925 if (cpu
->props
.has_socket_id
) {
926 g_string_append_printf(s
, "socket-id: %"PRId64
, cpu
->props
.socket_id
);
928 if (cpu
->props
.has_core_id
) {
930 g_string_append_printf(s
, ", ");
932 g_string_append_printf(s
, "core-id: %"PRId64
, cpu
->props
.core_id
);
934 if (cpu
->props
.has_thread_id
) {
936 g_string_append_printf(s
, ", ");
938 g_string_append_printf(s
, "thread-id: %"PRId64
, cpu
->props
.thread_id
);
940 return g_string_free(s
, false);
943 static void machine_numa_finish_cpu_init(MachineState
*machine
)
946 bool default_mapping
;
947 GString
*s
= g_string_new(NULL
);
948 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
949 const CPUArchIdList
*possible_cpus
= mc
->possible_cpu_arch_ids(machine
);
951 assert(nb_numa_nodes
);
952 for (i
= 0; i
< possible_cpus
->len
; i
++) {
953 if (possible_cpus
->cpus
[i
].props
.has_node_id
) {
957 default_mapping
= (i
== possible_cpus
->len
);
959 for (i
= 0; i
< possible_cpus
->len
; i
++) {
960 const CPUArchId
*cpu_slot
= &possible_cpus
->cpus
[i
];
962 if (!cpu_slot
->props
.has_node_id
) {
963 /* fetch default mapping from board and enable it */
964 CpuInstanceProperties props
= cpu_slot
->props
;
966 props
.node_id
= mc
->get_default_cpu_node_id(machine
, i
);
967 if (!default_mapping
) {
968 /* record slots with not set mapping,
969 * TODO: make it hard error in future */
970 char *cpu_str
= cpu_slot_to_string(cpu_slot
);
971 g_string_append_printf(s
, "%sCPU %d [%s]",
972 s
->len
? ", " : "", i
, cpu_str
);
975 /* non mapped cpus used to fallback to node 0 */
979 props
.has_node_id
= true;
980 machine_set_cpu_numa_node(machine
, &props
, &error_fatal
);
983 if (s
->len
&& !qtest_enabled()) {
984 warn_report("CPU(s) not present in any NUMA nodes: %s",
986 warn_report("All CPU(s) up to maxcpus should be described "
987 "in NUMA config, ability to start up with partial NUMA "
988 "mappings is obsoleted and will be removed in future");
990 g_string_free(s
, true);
993 void machine_run_board_init(MachineState
*machine
)
995 MachineClass
*machine_class
= MACHINE_GET_CLASS(machine
);
997 numa_complete_configuration(machine
);
999 machine_numa_finish_cpu_init(machine
);
1002 /* If the machine supports the valid_cpu_types check and the user
1003 * specified a CPU with -cpu check here that the user CPU is supported.
1005 if (machine_class
->valid_cpu_types
&& machine
->cpu_type
) {
1006 ObjectClass
*class = object_class_by_name(machine
->cpu_type
);
1009 for (i
= 0; machine_class
->valid_cpu_types
[i
]; i
++) {
1010 if (object_class_dynamic_cast(class,
1011 machine_class
->valid_cpu_types
[i
])) {
1012 /* The user specificed CPU is in the valid field, we are
1019 if (!machine_class
->valid_cpu_types
[i
]) {
1020 /* The user specified CPU is not valid */
1021 error_report("Invalid CPU type: %s", machine
->cpu_type
);
1022 error_printf("The valid types are: %s",
1023 machine_class
->valid_cpu_types
[0]);
1024 for (i
= 1; machine_class
->valid_cpu_types
[i
]; i
++) {
1025 error_printf(", %s", machine_class
->valid_cpu_types
[i
]);
1033 machine_class
->init(machine
);
1036 static const TypeInfo machine_info
= {
1037 .name
= TYPE_MACHINE
,
1038 .parent
= TYPE_OBJECT
,
1040 .class_size
= sizeof(MachineClass
),
1041 .class_init
= machine_class_init
,
1042 .class_base_init
= machine_class_base_init
,
1043 .instance_size
= sizeof(MachineState
),
1044 .instance_init
= machine_initfn
,
1045 .instance_finalize
= machine_finalize
,
1048 static void machine_register_types(void)
1050 type_register_static(&machine_info
);
1053 type_init(machine_register_types
)