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Diffstat (limited to 'include/sysemu/hostmem.h')
-rw-r--r-- | include/sysemu/hostmem.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/include/sysemu/hostmem.h b/include/sysemu/hostmem.h new file mode 100644 index 0000000000..4fc081eb17 --- /dev/null +++ b/include/sysemu/hostmem.h @@ -0,0 +1,60 @@ +/* + * 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. + */ +#ifndef QEMU_RAM_H +#define QEMU_RAM_H + +#include "qom/object.h" +#include "qapi/error.h" +#include "exec/memory.h" +#include "qemu/option.h" + +#define TYPE_MEMORY_BACKEND "memory-backend" +#define MEMORY_BACKEND(obj) \ + OBJECT_CHECK(HostMemoryBackend, (obj), TYPE_MEMORY_BACKEND) +#define MEMORY_BACKEND_GET_CLASS(obj) \ + OBJECT_GET_CLASS(HostMemoryBackendClass, (obj), TYPE_MEMORY_BACKEND) +#define MEMORY_BACKEND_CLASS(klass) \ + OBJECT_CLASS_CHECK(HostMemoryBackendClass, (klass), TYPE_MEMORY_BACKEND) + +typedef struct HostMemoryBackend HostMemoryBackend; +typedef struct HostMemoryBackendClass HostMemoryBackendClass; + +/** + * HostMemoryBackendClass: + * @parent_class: opaque parent class container + */ +struct HostMemoryBackendClass { + ObjectClass parent_class; +}; + +/** + * @HostMemoryBackend + * + * @parent: opaque parent object container + * @size: amount of memory backend provides + * @id: unique identification string in memdev namespace + * @mr: MemoryRegion representing host memory belonging to backend + */ +struct HostMemoryBackend { + /* private */ + Object parent; + + /* protected */ + uint64_t size; + + MemoryRegion mr; +}; + +MemoryRegion *host_memory_backend_get_memory(HostMemoryBackend *backend, + Error **errp); + +#endif |