| /* |
| * 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 SYSEMU_HOSTMEM_H |
| #define SYSEMU_HOSTMEM_H |
| |
| #include "sysemu/sysemu.h" /* for MAX_NODES */ |
| #include "qom/object.h" |
| #include "exec/memory.h" |
| #include "qemu/bitmap.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; |
| |
| void (*alloc)(HostMemoryBackend *backend, Error **errp); |
| }; |
| |
| /** |
| * @HostMemoryBackend |
| * |
| * @parent: opaque parent object container |
| * @size: amount of memory backend provides |
| * @mr: MemoryRegion representing host memory belonging to backend |
| */ |
| struct HostMemoryBackend { |
| /* private */ |
| Object parent; |
| |
| /* protected */ |
| char *id; |
| uint64_t size; |
| bool merge, dump; |
| bool prealloc, force_prealloc, is_mapped; |
| DECLARE_BITMAP(host_nodes, MAX_NODES + 1); |
| HostMemPolicy policy; |
| |
| MemoryRegion mr; |
| }; |
| |
| bool host_memory_backend_mr_inited(HostMemoryBackend *backend); |
| MemoryRegion *host_memory_backend_get_memory(HostMemoryBackend *backend, |
| Error **errp); |
| |
| void host_memory_backend_set_mapped(HostMemoryBackend *backend, bool mapped); |
| bool host_memory_backend_is_mapped(HostMemoryBackend *backend); |
| #endif |