mirror of https://gitee.com/openkylin/qemu.git
55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
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/*
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* QEMU Host Memory Backend
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*
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* Copyright (C) 2013-2014 Red Hat Inc
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*
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* Authors:
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* Igor Mammedov <imammedo@redhat.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 "sysemu/hostmem.h"
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#include "qom/object_interfaces.h"
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#define TYPE_MEMORY_BACKEND_RAM "memory-backend-ram"
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static void
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ram_backend_memory_init(UserCreatable *uc, Error **errp)
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{
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HostMemoryBackend *backend = MEMORY_BACKEND(uc);
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char *path;
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if (!backend->size) {
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error_setg(errp, "can't create backend with size 0");
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return;
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}
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path = object_get_canonical_path_component(OBJECT(backend));
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memory_region_init_ram(&backend->mr, OBJECT(backend), path,
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backend->size);
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g_free(path);
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}
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static void
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ram_backend_class_init(ObjectClass *oc, void *data)
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{
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UserCreatableClass *ucc = USER_CREATABLE_CLASS(oc);
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ucc->complete = ram_backend_memory_init;
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}
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static const TypeInfo ram_backend_info = {
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.name = TYPE_MEMORY_BACKEND_RAM,
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.parent = TYPE_MEMORY_BACKEND,
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.class_init = ram_backend_class_init,
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};
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static void register_types(void)
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{
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type_register_static(&ram_backend_info);
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}
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type_init(register_types);
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