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/*
* QEMU Host Memory Backend
*
* Copyright (C) 2013-2014 Red Hat Inc
*
* Authors:
* Igor Mammedov <imammedo@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 "sysemu/hostmem.h"
#include "qapi/error.h"
#include "qom/object_interfaces.h"
#define TYPE_MEMORY_BACKEND_RAM "memory-backend-ram"
static void
ram_backend_memory_alloc(HostMemoryBackend *backend, Error **errp)
{
char *path;
if (!backend->size) {
error_setg(errp, "can't create backend with size 0");
return;
}
path = object_get_canonical_path_component(OBJECT(backend));
memory_region_init_ram_shared_nomigrate(&backend->mr, OBJECT(backend), path,
backend->size, backend->share, errp);
g_free(path);
}
static void
ram_backend_class_init(ObjectClass *oc, void *data)
{
HostMemoryBackendClass *bc = MEMORY_BACKEND_CLASS(oc);
bc->alloc = ram_backend_memory_alloc;
}
static const TypeInfo ram_backend_info = {
.name = TYPE_MEMORY_BACKEND_RAM,
.parent = TYPE_MEMORY_BACKEND,
.class_init = ram_backend_class_init,
};
static void register_types(void)
{
type_register_static(&ram_backend_info);
}
type_init(register_types);
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