test-coroutine: Fix coroutine pool corruption
[qemu/ar7.git] / backends / hostmem-ram.c
blob04a7ac362b0f068fa0928f4ee00820ab7d7ab43f
1 /*
2 * QEMU Host Memory Backend
4 * Copyright (C) 2013-2014 Red Hat Inc
6 * Authors:
7 * Igor Mammedov <imammedo@redhat.com>
9 * This work is licensed under the terms of the GNU GPL, version 2 or later.
10 * See the COPYING file in the top-level directory.
12 #include "qemu/osdep.h"
13 #include "sysemu/hostmem.h"
14 #include "qapi/error.h"
15 #include "qom/object_interfaces.h"
17 #define TYPE_MEMORY_BACKEND_RAM "memory-backend-ram"
20 static void
21 ram_backend_memory_alloc(HostMemoryBackend *backend, Error **errp)
23 char *path;
25 if (!backend->size) {
26 error_setg(errp, "can't create backend with size 0");
27 return;
30 path = object_get_canonical_path_component(OBJECT(backend));
31 memory_region_init_ram(&backend->mr, OBJECT(backend), path,
32 backend->size, errp);
33 g_free(path);
36 static void
37 ram_backend_class_init(ObjectClass *oc, void *data)
39 HostMemoryBackendClass *bc = MEMORY_BACKEND_CLASS(oc);
41 bc->alloc = ram_backend_memory_alloc;
44 static const TypeInfo ram_backend_info = {
45 .name = TYPE_MEMORY_BACKEND_RAM,
46 .parent = TYPE_MEMORY_BACKEND,
47 .class_init = ram_backend_class_init,
50 static void register_types(void)
52 type_register_static(&ram_backend_info);
55 type_init(register_types);