blob: 1ce439415d6b46109b69d9c70f7f2206a6f85a0d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
/*
* 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 "sysemu/sysemu.h" /* for MAX_NODES */
#include "qom/object.h"
#include "qapi/error.h"
#include "exec/memory.h"
#include "qemu/option.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
* @id: unique identification string in memdev namespace
* @mr: MemoryRegion representing host memory belonging to backend
*/
struct HostMemoryBackend {
/* private */
Object parent;
/* protected */
uint64_t size;
bool merge, dump;
bool prealloc, force_prealloc;
DECLARE_BITMAP(host_nodes, MAX_NODES + 1);
HostMemPolicy policy;
MemoryRegion mr;
};
MemoryRegion *host_memory_backend_get_memory(HostMemoryBackend *backend,
Error **errp);
#endif
|
