f1020c2c26
Add an abstract CPU core type that could be used by machines that want
to define and hotplug CPUs in core granularity.
Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
[Integer core property]
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
[dwg: changed property names to 'core-id' and 'nr-threads']
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
89 lines
2.3 KiB
C
89 lines
2.3 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 "hw/cpu/core.h"
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#include "qapi/visitor.h"
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#include "qapi/error.h"
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#include "sysemu/cpus.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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Error *local_err = NULL;
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int64_t value;
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visit_type_int(v, name, &value, &local_err);
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if (local_err) {
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error_propagate(errp, local_err);
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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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Error *local_err = NULL;
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int64_t value;
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visit_type_int(v, name, &value, &local_err);
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if (local_err) {
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error_propagate(errp, local_err);
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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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CPUCore *core = CPU_CORE(obj);
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object_property_add(obj, "core-id", "int", core_prop_get_core_id,
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core_prop_set_core_id, NULL, NULL, NULL);
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object_property_add(obj, "nr-threads", "int", core_prop_get_nr_threads,
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core_prop_set_nr_threads, NULL, NULL, NULL);
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core->nr_threads = smp_threads;
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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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.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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