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qemu/hw/core/machine.c
Igor Mammedov d41f3e750d numa: make sure that all cpus have has_node_id set if numa is enabled 
It fixes/add missing _PXM object for non mapped CPU (x86)
and missing fdt node (virt-arm).

It ensures that possible_cpus contains complete mapping if
numa is enabled by the time machine_init() is executed.

As result non completely mapped CPUs:
 1) appear in ACPI/fdt blobs
 2) QMP query-hotpluggable-cpus command shows bound nodes for such CPUs
 3) allows to drop checks for has_node_id in numa only code,
   reducing number of invariants incomplete mapping could produce
 4) moves fixup/implicit node init from runtime numa_cpu_pre_plug()
   (when CPU object is created) to machine_numa_finish_init() which
   helps to fix [1, 2] and make possible_cpus complete source
   of numa mapping available even before CPUs are created.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <1496161442-96665-4-git-send-email-imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-06-05 14:59:08 -03:00

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/*
* QEMU Machine
*
* Copyright (C) 2014 Red Hat Inc
*
* Authors:
* Marcel Apfelbaum <marcel.a@redhat.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include "hw/boards.h"
#include "qapi/error.h"
#include "qapi-visit.h"
#include "qapi/visitor.h"
#include "hw/sysbus.h"
#include "sysemu/sysemu.h"
#include "sysemu/numa.h"
#include "qemu/error-report.h"
#include "qemu/cutils.h"
#include "sysemu/numa.h"
#include "sysemu/qtest.h"
static char *machine_get_accel(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
return g_strdup(ms->accel);
}
static void machine_set_accel(Object *obj, const char *value, Error **errp)
{
MachineState *ms = MACHINE(obj);
g_free(ms->accel);
ms->accel = g_strdup(value);
}
static void machine_set_kernel_irqchip(Object *obj, Visitor *v,
const char *name, void *opaque,
Error **errp)
{
Error *err = NULL;
MachineState *ms = MACHINE(obj);
OnOffSplit mode;
visit_type_OnOffSplit(v, name, &mode, &err);
if (err) {
error_propagate(errp, err);
return;
} else {
switch (mode) {
case ON_OFF_SPLIT_ON:
ms->kernel_irqchip_allowed = true;
ms->kernel_irqchip_required = true;
ms->kernel_irqchip_split = false;
break;
case ON_OFF_SPLIT_OFF:
ms->kernel_irqchip_allowed = false;
ms->kernel_irqchip_required = false;
ms->kernel_irqchip_split = false;
break;
case ON_OFF_SPLIT_SPLIT:
ms->kernel_irqchip_allowed = true;
ms->kernel_irqchip_required = true;
ms->kernel_irqchip_split = true;
break;
default:
/* The value was checked in visit_type_OnOffSplit() above. If
* we get here, then something is wrong in QEMU.
*/
abort();
}
}
}
static void machine_get_kvm_shadow_mem(Object *obj, Visitor *v,
const char *name, void *opaque,
Error **errp)
{
MachineState *ms = MACHINE(obj);
int64_t value = ms->kvm_shadow_mem;
visit_type_int(v, name, &value, errp);
}
static void machine_set_kvm_shadow_mem(Object *obj, Visitor *v,
const char *name, void *opaque,
Error **errp)
{
MachineState *ms = MACHINE(obj);
Error *error = NULL;
int64_t value;
visit_type_int(v, name, &value, &error);
if (error) {
error_propagate(errp, error);
return;
}
ms->kvm_shadow_mem = value;
}
static char *machine_get_kernel(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
return g_strdup(ms->kernel_filename);
}
static void machine_set_kernel(Object *obj, const char *value, Error **errp)
{
MachineState *ms = MACHINE(obj);
g_free(ms->kernel_filename);
ms->kernel_filename = g_strdup(value);
}
static char *machine_get_initrd(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
return g_strdup(ms->initrd_filename);
}
static void machine_set_initrd(Object *obj, const char *value, Error **errp)
{
MachineState *ms = MACHINE(obj);
g_free(ms->initrd_filename);
ms->initrd_filename = g_strdup(value);
}
static char *machine_get_append(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
return g_strdup(ms->kernel_cmdline);
}
static void machine_set_append(Object *obj, const char *value, Error **errp)
{
MachineState *ms = MACHINE(obj);
g_free(ms->kernel_cmdline);
ms->kernel_cmdline = g_strdup(value);
}
static char *machine_get_dtb(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
return g_strdup(ms->dtb);
}
static void machine_set_dtb(Object *obj, const char *value, Error **errp)
{
MachineState *ms = MACHINE(obj);
g_free(ms->dtb);
ms->dtb = g_strdup(value);
}
static char *machine_get_dumpdtb(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
return g_strdup(ms->dumpdtb);
}
static void machine_set_dumpdtb(Object *obj, const char *value, Error **errp)
{
MachineState *ms = MACHINE(obj);
g_free(ms->dumpdtb);
ms->dumpdtb = g_strdup(value);
}
static void machine_get_phandle_start(Object *obj, Visitor *v,
const char *name, void *opaque,
Error **errp)
{
MachineState *ms = MACHINE(obj);
int64_t value = ms->phandle_start;
visit_type_int(v, name, &value, errp);
}
static void machine_set_phandle_start(Object *obj, Visitor *v,
const char *name, void *opaque,
Error **errp)
{
MachineState *ms = MACHINE(obj);
Error *error = NULL;
int64_t value;
visit_type_int(v, name, &value, &error);
if (error) {
error_propagate(errp, error);
return;
}
ms->phandle_start = value;
}
static char *machine_get_dt_compatible(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
return g_strdup(ms->dt_compatible);
}
static void machine_set_dt_compatible(Object *obj, const char *value, Error **errp)
{
MachineState *ms = MACHINE(obj);
g_free(ms->dt_compatible);
ms->dt_compatible = g_strdup(value);
}
static bool machine_get_dump_guest_core(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
return ms->dump_guest_core;
}
static void machine_set_dump_guest_core(Object *obj, bool value, Error **errp)
{
MachineState *ms = MACHINE(obj);
ms->dump_guest_core = value;
}
static bool machine_get_mem_merge(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
return ms->mem_merge;
}
static void machine_set_mem_merge(Object *obj, bool value, Error **errp)
{
MachineState *ms = MACHINE(obj);
ms->mem_merge = value;
}
static bool machine_get_usb(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
return ms->usb;
}
static void machine_set_usb(Object *obj, bool value, Error **errp)
{
MachineState *ms = MACHINE(obj);
ms->usb = value;
ms->usb_disabled = !value;
}
static bool machine_get_graphics(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
return ms->enable_graphics;
}
static void machine_set_graphics(Object *obj, bool value, Error **errp)
{
MachineState *ms = MACHINE(obj);
ms->enable_graphics = value;
}
static bool machine_get_igd_gfx_passthru(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
return ms->igd_gfx_passthru;
}
static void machine_set_igd_gfx_passthru(Object *obj, bool value, Error **errp)
{
MachineState *ms = MACHINE(obj);
ms->igd_gfx_passthru = value;
}
static char *machine_get_firmware(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
return g_strdup(ms->firmware);
}
static void machine_set_firmware(Object *obj, const char *value, Error **errp)
{
MachineState *ms = MACHINE(obj);
g_free(ms->firmware);
ms->firmware = g_strdup(value);
}
static void machine_set_suppress_vmdesc(Object *obj, bool value, Error **errp)
{
MachineState *ms = MACHINE(obj);
ms->suppress_vmdesc = value;
}
static bool machine_get_suppress_vmdesc(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
return ms->suppress_vmdesc;
}
static void machine_set_enforce_config_section(Object *obj, bool value,
Error **errp)
{
MachineState *ms = MACHINE(obj);
ms->enforce_config_section = value;
}
static bool machine_get_enforce_config_section(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
return ms->enforce_config_section;
}
static void error_on_sysbus_device(SysBusDevice *sbdev, void *opaque)
{
error_report("Option '-device %s' cannot be handled by this machine",
object_class_get_name(object_get_class(OBJECT(sbdev))));
exit(1);
}
static void machine_init_notify(Notifier *notifier, void *data)
{
Object *machine = qdev_get_machine();
ObjectClass *oc = object_get_class(machine);
MachineClass *mc = MACHINE_CLASS(oc);
if (mc->has_dynamic_sysbus) {
/* Our machine can handle dynamic sysbus devices, we're all good */
return;
}
/*
* Loop through all dynamically created devices and check whether there
* are sysbus devices among them. If there are, error out.
*/
foreach_dynamic_sysbus_device(error_on_sysbus_device, NULL);
}
HotpluggableCPUList *machine_query_hotpluggable_cpus(MachineState *machine)
{
int i;
Object *cpu;
HotpluggableCPUList *head = NULL;
const char *cpu_type;
cpu = machine->possible_cpus->cpus[0].cpu;
assert(cpu); /* Boot cpu is always present */
cpu_type = object_get_typename(cpu);
for (i = 0; i < machine->possible_cpus->len; i++) {
HotpluggableCPUList *list_item = g_new0(typeof(*list_item), 1);
HotpluggableCPU *cpu_item = g_new0(typeof(*cpu_item), 1);
cpu_item->type = g_strdup(cpu_type);
cpu_item->vcpus_count = machine->possible_cpus->cpus[i].vcpus_count;
cpu_item->props = g_memdup(&machine->possible_cpus->cpus[i].props,
sizeof(*cpu_item->props));
cpu = machine->possible_cpus->cpus[i].cpu;
if (cpu) {
cpu_item->has_qom_path = true;
cpu_item->qom_path = object_get_canonical_path(cpu);
}
list_item->value = cpu_item;
list_item->next = head;
head = list_item;
}
return head;
}
/**
* machine_set_cpu_numa_node:
* @machine: machine object to modify
* @props: specifies which cpu objects to assign to
* numa node specified by @props.node_id
* @errp: if an error occurs, a pointer to an area to store the error
*
* Associate NUMA node specified by @props.node_id with cpu slots that
* match socket/core/thread-ids specified by @props. It's recommended to use
* query-hotpluggable-cpus.props values to specify affected cpu slots,
* which would lead to exact 1:1 mapping of cpu slots to NUMA node.
*
* However for CLI convenience it's possible to pass in subset of properties,
* which would affect all cpu slots that match it.
* Ex for pc machine:
* -smp 4,cores=2,sockets=2 -numa node,nodeid=0 -numa node,nodeid=1 \
* -numa cpu,node-id=0,socket_id=0 \
* -numa cpu,node-id=1,socket_id=1
* will assign all child cores of socket 0 to node 0 and
* of socket 1 to node 1.
*
* On attempt of reassigning (already assigned) cpu slot to another NUMA node,
* return error.
* Empty subset is disallowed and function will return with error in this case.
*/
void machine_set_cpu_numa_node(MachineState *machine,
const CpuInstanceProperties *props, Error **errp)
{
MachineClass *mc = MACHINE_GET_CLASS(machine);
bool match = false;
int i;
if (!mc->possible_cpu_arch_ids) {
error_setg(errp, "mapping of CPUs to NUMA node is not supported");
return;
}
/* disabling node mapping is not supported, forbid it */
assert(props->has_node_id);
/* force board to initialize possible_cpus if it hasn't been done yet */
mc->possible_cpu_arch_ids(machine);
for (i = 0; i < machine->possible_cpus->len; i++) {
CPUArchId *slot = &machine->possible_cpus->cpus[i];
/* reject unsupported by board properties */
if (props->has_thread_id && !slot->props.has_thread_id) {
error_setg(errp, "thread-id is not supported");
return;
}
if (props->has_core_id && !slot->props.has_core_id) {
error_setg(errp, "core-id is not supported");
return;
}
if (props->has_socket_id && !slot->props.has_socket_id) {
error_setg(errp, "socket-id is not supported");
return;
}
/* skip slots with explicit mismatch */
if (props->has_thread_id && props->thread_id != slot->props.thread_id) {
continue;
}
if (props->has_core_id && props->core_id != slot->props.core_id) {
continue;
}
if (props->has_socket_id && props->socket_id != slot->props.socket_id) {
continue;
}
/* reject assignment if slot is already assigned, for compatibility
* of legacy cpu_index mapping with SPAPR core based mapping do not
* error out if cpu thread and matched core have the same node-id */
if (slot->props.has_node_id &&
slot->props.node_id != props->node_id) {
error_setg(errp, "CPU is already assigned to node-id: %" PRId64,
slot->props.node_id);
return;
}
/* assign slot to node as it's matched '-numa cpu' key */
match = true;
slot->props.node_id = props->node_id;
slot->props.has_node_id = props->has_node_id;
}
if (!match) {
error_setg(errp, "no match found");
}
}
static void machine_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
/* Default 128 MB as guest ram size */
mc->default_ram_size = 128 * M_BYTE;
mc->rom_file_has_mr = true;
/* numa node memory size aligned on 8MB by default.
* On Linux, each node's border has to be 8MB aligned
*/
mc->numa_mem_align_shift = 23;
mc->numa_auto_assign_ram = numa_default_auto_assign_ram;
object_class_property_add_str(oc, "accel",
machine_get_accel, machine_set_accel, &error_abort);
object_class_property_set_description(oc, "accel",
"Accelerator list", &error_abort);
object_class_property_add(oc, "kernel-irqchip", "OnOffSplit",
NULL, machine_set_kernel_irqchip,
NULL, NULL, &error_abort);
object_class_property_set_description(oc, "kernel-irqchip",
"Configure KVM in-kernel irqchip", &error_abort);
object_class_property_add(oc, "kvm-shadow-mem", "int",
machine_get_kvm_shadow_mem, machine_set_kvm_shadow_mem,
NULL, NULL, &error_abort);
object_class_property_set_description(oc, "kvm-shadow-mem",
"KVM shadow MMU size", &error_abort);
object_class_property_add_str(oc, "kernel",
machine_get_kernel, machine_set_kernel, &error_abort);
object_class_property_set_description(oc, "kernel",
"Linux kernel image file", &error_abort);
object_class_property_add_str(oc, "initrd",
machine_get_initrd, machine_set_initrd, &error_abort);
object_class_property_set_description(oc, "initrd",
"Linux initial ramdisk file", &error_abort);
object_class_property_add_str(oc, "append",
machine_get_append, machine_set_append, &error_abort);
object_class_property_set_description(oc, "append",
"Linux kernel command line", &error_abort);
object_class_property_add_str(oc, "dtb",
machine_get_dtb, machine_set_dtb, &error_abort);
object_class_property_set_description(oc, "dtb",
"Linux kernel device tree file", &error_abort);
object_class_property_add_str(oc, "dumpdtb",
machine_get_dumpdtb, machine_set_dumpdtb, &error_abort);
object_class_property_set_description(oc, "dumpdtb",
"Dump current dtb to a file and quit", &error_abort);
object_class_property_add(oc, "phandle-start", "int",
machine_get_phandle_start, machine_set_phandle_start,
NULL, NULL, &error_abort);
object_class_property_set_description(oc, "phandle-start",
"The first phandle ID we may generate dynamically", &error_abort);
object_class_property_add_str(oc, "dt-compatible",
machine_get_dt_compatible, machine_set_dt_compatible, &error_abort);
object_class_property_set_description(oc, "dt-compatible",
"Overrides the \"compatible\" property of the dt root node",
&error_abort);
object_class_property_add_bool(oc, "dump-guest-core",
machine_get_dump_guest_core, machine_set_dump_guest_core, &error_abort);
object_class_property_set_description(oc, "dump-guest-core",
"Include guest memory in a core dump", &error_abort);
object_class_property_add_bool(oc, "mem-merge",
machine_get_mem_merge, machine_set_mem_merge, &error_abort);
object_class_property_set_description(oc, "mem-merge",
"Enable/disable memory merge support", &error_abort);
object_class_property_add_bool(oc, "usb",
machine_get_usb, machine_set_usb, &error_abort);
object_class_property_set_description(oc, "usb",
"Set on/off to enable/disable usb", &error_abort);
object_class_property_add_bool(oc, "graphics",
machine_get_graphics, machine_set_graphics, &error_abort);
object_class_property_set_description(oc, "graphics",
"Set on/off to enable/disable graphics emulation", &error_abort);
object_class_property_add_bool(oc, "igd-passthru",
machine_get_igd_gfx_passthru, machine_set_igd_gfx_passthru,
&error_abort);
object_class_property_set_description(oc, "igd-passthru",
"Set on/off to enable/disable igd passthrou", &error_abort);
object_class_property_add_str(oc, "firmware",
machine_get_firmware, machine_set_firmware,
&error_abort);
object_class_property_set_description(oc, "firmware",
"Firmware image", &error_abort);
object_class_property_add_bool(oc, "suppress-vmdesc",
machine_get_suppress_vmdesc, machine_set_suppress_vmdesc,
&error_abort);
object_class_property_set_description(oc, "suppress-vmdesc",
"Set on to disable self-describing migration", &error_abort);
object_class_property_add_bool(oc, "enforce-config-section",
machine_get_enforce_config_section, machine_set_enforce_config_section,
&error_abort);
object_class_property_set_description(oc, "enforce-config-section",
"Set on to enforce configuration section migration", &error_abort);
}
static void machine_class_base_init(ObjectClass *oc, void *data)
{
if (!object_class_is_abstract(oc)) {
MachineClass *mc = MACHINE_CLASS(oc);
const char *cname = object_class_get_name(oc);
assert(g_str_has_suffix(cname, TYPE_MACHINE_SUFFIX));
mc->name = g_strndup(cname,
strlen(cname) - strlen(TYPE_MACHINE_SUFFIX));
}
}
static void machine_initfn(Object *obj)
{
MachineState *ms = MACHINE(obj);
ms->kernel_irqchip_allowed = true;
ms->kvm_shadow_mem = -1;
ms->dump_guest_core = true;
ms->mem_merge = true;
ms->enable_graphics = true;
/* Register notifier when init is done for sysbus sanity checks */
ms->sysbus_notifier.notify = machine_init_notify;
qemu_add_machine_init_done_notifier(&ms->sysbus_notifier);
}
static void machine_finalize(Object *obj)
{
MachineState *ms = MACHINE(obj);
g_free(ms->accel);
g_free(ms->kernel_filename);
g_free(ms->initrd_filename);
g_free(ms->kernel_cmdline);
g_free(ms->dtb);
g_free(ms->dumpdtb);
g_free(ms->dt_compatible);
g_free(ms->firmware);
}
bool machine_usb(MachineState *machine)
{
return machine->usb;
}
bool machine_kernel_irqchip_allowed(MachineState *machine)
{
return machine->kernel_irqchip_allowed;
}
bool machine_kernel_irqchip_required(MachineState *machine)
{
return machine->kernel_irqchip_required;
}
bool machine_kernel_irqchip_split(MachineState *machine)
{
return machine->kernel_irqchip_split;
}
int machine_kvm_shadow_mem(MachineState *machine)
{
return machine->kvm_shadow_mem;
}
int machine_phandle_start(MachineState *machine)
{
return machine->phandle_start;
}
bool machine_dump_guest_core(MachineState *machine)
{
return machine->dump_guest_core;
}
bool machine_mem_merge(MachineState *machine)
{
return machine->mem_merge;
}
static char *cpu_slot_to_string(const CPUArchId *cpu)
{
GString *s = g_string_new(NULL);
if (cpu->props.has_socket_id) {
g_string_append_printf(s, "socket-id: %"PRId64, cpu->props.socket_id);
}
if (cpu->props.has_core_id) {
if (s->len) {
g_string_append_printf(s, ", ");
}
g_string_append_printf(s, "core-id: %"PRId64, cpu->props.core_id);
}
if (cpu->props.has_thread_id) {
if (s->len) {
g_string_append_printf(s, ", ");
}
g_string_append_printf(s, "thread-id: %"PRId64, cpu->props.thread_id);
}
return g_string_free(s, false);
}
static void machine_numa_finish_init(MachineState *machine)
{
int i;
bool default_mapping;
GString *s = g_string_new(NULL);
MachineClass *mc = MACHINE_GET_CLASS(machine);
const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(machine);
assert(nb_numa_nodes);
for (i = 0; i < possible_cpus->len; i++) {
if (possible_cpus->cpus[i].props.has_node_id) {
break;
}
}
default_mapping = (i == possible_cpus->len);
for (i = 0; i < possible_cpus->len; i++) {
const CPUArchId *cpu_slot = &possible_cpus->cpus[i];
if (!cpu_slot->props.has_node_id) {
/* fetch default mapping from board and enable it */
CpuInstanceProperties props = cpu_slot->props;
if (!default_mapping) {
/* record slots with not set mapping,
* TODO: make it hard error in future */
char *cpu_str = cpu_slot_to_string(cpu_slot);
g_string_append_printf(s, "%sCPU %d [%s]",
s->len ? ", " : "", i, cpu_str);
g_free(cpu_str);
/* non mapped cpus used to fallback to node 0 */
props.node_id = 0;
}
props.has_node_id = true;
machine_set_cpu_numa_node(machine, &props, &error_fatal);
}
}
if (s->len && !qtest_enabled()) {
error_report("warning: CPU(s) not present in any NUMA nodes: %s",
s->str);
error_report("warning: All CPU(s) up to maxcpus should be described "
"in NUMA config, ability to start up with partial NUMA "
"mappings is obsoleted and will be removed in future");
}
g_string_free(s, true);
}
void machine_run_board_init(MachineState *machine)
{
MachineClass *machine_class = MACHINE_GET_CLASS(machine);
if (nb_numa_nodes) {
machine_numa_finish_init(machine);
}
machine_class->init(machine);
}
static void machine_class_finalize(ObjectClass *klass, void *data)
{
MachineClass *mc = MACHINE_CLASS(klass);
if (mc->compat_props) {
g_array_free(mc->compat_props, true);
}
g_free(mc->name);
}
static void register_compat_prop(const char *driver,
const char *property,
const char *value)
{
GlobalProperty *p = g_new0(GlobalProperty, 1);
/* Machine compat_props must never cause errors: */
p->errp = &error_abort;
p->driver = driver;
p->property = property;
p->value = value;
qdev_prop_register_global(p);
}
static void machine_register_compat_for_subclass(ObjectClass *oc, void *opaque)
{
GlobalProperty *p = opaque;
register_compat_prop(object_class_get_name(oc), p->property, p->value);
}
void machine_register_compat_props(MachineState *machine)
{
MachineClass *mc = MACHINE_GET_CLASS(machine);
int i;
GlobalProperty *p;
ObjectClass *oc;
if (!mc->compat_props) {
return;
}
for (i = 0; i < mc->compat_props->len; i++) {
p = g_array_index(mc->compat_props, GlobalProperty *, i);
oc = object_class_by_name(p->driver);
if (oc && object_class_is_abstract(oc)) {
/* temporary hack to make sure we do not override
* globals set explicitly on -global: if an abstract class
* is on compat_props, register globals for all its
* non-abstract subtypes instead.
*
* This doesn't solve the problem for cases where
* a non-abstract typename mentioned on compat_props
* has subclasses, like spapr-pci-host-bridge.
*/
object_class_foreach(machine_register_compat_for_subclass,
p->driver, false, p);
} else {
register_compat_prop(p->driver, p->property, p->value);
}
}
}
static const TypeInfo machine_info = {
.name = TYPE_MACHINE,
.parent = TYPE_OBJECT,
.abstract = true,
.class_size = sizeof(MachineClass),
.class_init = machine_class_init,
.class_base_init = machine_class_base_init,
.class_finalize = machine_class_finalize,
.instance_size = sizeof(MachineState),
.instance_init = machine_initfn,
.instance_finalize = machine_finalize,
};
static void machine_register_types(void)
{
type_register_static(&machine_info);
}
type_init(machine_register_types)
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