2decc51f19
Class properties make QOM introspection simpler and easier, as they don't require an object to be instantiated. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Message-Id: <20200921221045.699690-18-ehabkost@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
101 lines
2.6 KiB
C
101 lines
2.6 KiB
C
/*
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* CPU core abstract device
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*
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* Copyright (C) 2016 Bharata B Rao <bharata@linux.vnet.ibm.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#include "qemu/osdep.h"
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#include "hw/cpu/core.h"
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#include "qapi/visitor.h"
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#include "qemu/module.h"
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#include "qapi/error.h"
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#include "sysemu/cpus.h"
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#include "hw/boards.h"
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static void core_prop_get_core_id(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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CPUCore *core = CPU_CORE(obj);
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int64_t value = core->core_id;
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visit_type_int(v, name, &value, errp);
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}
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static void core_prop_set_core_id(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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CPUCore *core = CPU_CORE(obj);
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int64_t value;
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if (!visit_type_int(v, name, &value, errp)) {
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return;
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}
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if (value < 0) {
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error_setg(errp, "Invalid core id %"PRId64, value);
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return;
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}
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core->core_id = value;
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}
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static void core_prop_get_nr_threads(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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CPUCore *core = CPU_CORE(obj);
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int64_t value = core->nr_threads;
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visit_type_int(v, name, &value, errp);
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}
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static void core_prop_set_nr_threads(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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CPUCore *core = CPU_CORE(obj);
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int64_t value;
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if (!visit_type_int(v, name, &value, errp)) {
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return;
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}
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core->nr_threads = value;
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}
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static void cpu_core_instance_init(Object *obj)
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{
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MachineState *ms = MACHINE(qdev_get_machine());
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CPUCore *core = CPU_CORE(obj);
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core->nr_threads = ms->smp.threads;
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}
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static void cpu_core_class_init(ObjectClass *oc, void *data)
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{
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DeviceClass *dc = DEVICE_CLASS(oc);
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set_bit(DEVICE_CATEGORY_CPU, dc->categories);
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object_class_property_add(oc, "core-id", "int", core_prop_get_core_id,
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core_prop_set_core_id, NULL, NULL);
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object_class_property_add(oc, "nr-threads", "int", core_prop_get_nr_threads,
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core_prop_set_nr_threads, NULL, NULL);
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}
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static const TypeInfo cpu_core_type_info = {
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.name = TYPE_CPU_CORE,
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.parent = TYPE_DEVICE,
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.abstract = true,
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.class_init = cpu_core_class_init,
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.instance_size = sizeof(CPUCore),
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.instance_init = cpu_core_instance_init,
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};
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static void cpu_core_register_types(void)
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{
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type_register_static(&cpu_core_type_info);
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}
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type_init(cpu_core_register_types)
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