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vmstate.h
617 lines (513 loc) · 29.4 KB
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vmstate.h
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/*
* QEMU migration/snapshot declarations
*
* Copyright (c) 2009-2011 Red Hat, Inc.
*
* Original author: Juan Quintela <quintela@redhat.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef QEMU_VMSTATE_H
#define QEMU_VMSTATE_H 1
typedef void SaveSetParamsHandler(int blk_enable, int shared, void * opaque);
typedef void SaveStateHandler(QEMUFile *f, void *opaque);
typedef int SaveLiveStateHandler(QEMUFile *f, int stage, void *opaque);
typedef int LoadStateHandler(QEMUFile *f, void *opaque, int version_id);
int register_savevm(DeviceState *dev,
const char *idstr,
int instance_id,
int version_id,
SaveStateHandler *save_state,
LoadStateHandler *load_state,
void *opaque);
int register_savevm_live(DeviceState *dev,
const char *idstr,
int instance_id,
int version_id,
SaveSetParamsHandler *set_params,
SaveLiveStateHandler *save_live_state,
SaveStateHandler *save_state,
LoadStateHandler *load_state,
void *opaque);
void unregister_savevm(DeviceState *dev, const char *idstr, void *opaque);
void register_device_unmigratable(DeviceState *dev, const char *idstr,
void *opaque);
typedef struct VMStateInfo VMStateInfo;
typedef struct VMStateDescription VMStateDescription;
struct VMStateInfo {
const char *name;
int (*get)(QEMUFile *f, void *pv, size_t size);
void (*put)(QEMUFile *f, void *pv, size_t size);
};
enum VMStateFlags {
VMS_SINGLE = 0x001,
VMS_POINTER = 0x002,
VMS_ARRAY = 0x004,
VMS_STRUCT = 0x008,
VMS_VARRAY_INT32 = 0x010, /* Array with size in int32_t field*/
VMS_BUFFER = 0x020, /* static sized buffer */
VMS_ARRAY_OF_POINTER = 0x040,
VMS_VARRAY_UINT16 = 0x080, /* Array with size in uint16_t field */
VMS_VBUFFER = 0x100, /* Buffer with size in int32_t field */
VMS_MULTIPLY = 0x200, /* multiply "size" field by field_size */
VMS_VARRAY_UINT8 = 0x400, /* Array with size in uint8_t field*/
VMS_VARRAY_UINT32 = 0x800, /* Array with size in uint32_t field*/
};
typedef struct {
const char *name;
size_t offset;
size_t size;
size_t start;
int num;
size_t num_offset;
size_t size_offset;
const VMStateInfo *info;
enum VMStateFlags flags;
const VMStateDescription *vmsd;
int version_id;
bool (*field_exists)(void *opaque, int version_id);
} VMStateField;
typedef struct VMStateSubsection {
const VMStateDescription *vmsd;
bool (*needed)(void *opaque);
} VMStateSubsection;
struct VMStateDescription {
const char *name;
int unmigratable;
int version_id;
int minimum_version_id;
int minimum_version_id_old;
LoadStateHandler *load_state_old;
int (*pre_load)(void *opaque);
int (*post_load)(void *opaque, int version_id);
void (*pre_save)(void *opaque);
VMStateField *fields;
const VMStateSubsection *subsections;
};
extern const VMStateInfo vmstate_info_bool;
extern const VMStateInfo vmstate_info_int8;
extern const VMStateInfo vmstate_info_int16;
extern const VMStateInfo vmstate_info_int32;
extern const VMStateInfo vmstate_info_int64;
extern const VMStateInfo vmstate_info_uint8_equal;
extern const VMStateInfo vmstate_info_uint16_equal;
extern const VMStateInfo vmstate_info_int32_equal;
extern const VMStateInfo vmstate_info_uint32_equal;
extern const VMStateInfo vmstate_info_int32_le;
extern const VMStateInfo vmstate_info_uint8;
extern const VMStateInfo vmstate_info_uint16;
extern const VMStateInfo vmstate_info_uint32;
extern const VMStateInfo vmstate_info_uint64;
extern const VMStateInfo vmstate_info_timer;
extern const VMStateInfo vmstate_info_buffer;
extern const VMStateInfo vmstate_info_unused_buffer;
#define type_check_array(t1,t2,n) ((t1(*)[n])0 - (t2*)0)
#define type_check_pointer(t1,t2) ((t1**)0 - (t2*)0)
#define vmstate_offset_value(_state, _field, _type) \
(offsetof(_state, _field) + \
type_check(_type, typeof_field(_state, _field)))
#define vmstate_offset_pointer(_state, _field, _type) \
(offsetof(_state, _field) + \
type_check_pointer(_type, typeof_field(_state, _field)))
#define vmstate_offset_array(_state, _field, _type, _num) \
(offsetof(_state, _field) + \
type_check_array(_type, typeof_field(_state, _field), _num))
#define vmstate_offset_sub_array(_state, _field, _type, _start) \
(offsetof(_state, _field[_start]))
#define vmstate_offset_buffer(_state, _field) \
vmstate_offset_array(_state, _field, uint8_t, \
sizeof(typeof_field(_state, _field)))
#define VMSTATE_SINGLE_TEST(_field, _state, _test, _version, _info, _type) { \
.name = (stringify(_field)), \
.version_id = (_version), \
.field_exists = (_test), \
.size = sizeof(_type), \
.info = &(_info), \
.flags = VMS_SINGLE, \
.offset = vmstate_offset_value(_state, _field, _type), \
}
#define VMSTATE_POINTER(_field, _state, _version, _info, _type) { \
.name = (stringify(_field)), \
.version_id = (_version), \
.info = &(_info), \
.size = sizeof(_type), \
.flags = VMS_SINGLE|VMS_POINTER, \
.offset = vmstate_offset_value(_state, _field, _type), \
}
#define VMSTATE_POINTER_TEST(_field, _state, _test, _info, _type) { \
.name = (stringify(_field)), \
.info = &(_info), \
.field_exists = (_test), \
.size = sizeof(_type), \
.flags = VMS_SINGLE|VMS_POINTER, \
.offset = vmstate_offset_value(_state, _field, _type), \
}
#define VMSTATE_ARRAY(_field, _state, _num, _version, _info, _type) {\
.name = (stringify(_field)), \
.version_id = (_version), \
.num = (_num), \
.info = &(_info), \
.size = sizeof(_type), \
.flags = VMS_ARRAY, \
.offset = vmstate_offset_array(_state, _field, _type, _num), \
}
#define VMSTATE_ARRAY_TEST(_field, _state, _num, _test, _info, _type) {\
.name = (stringify(_field)), \
.field_exists = (_test), \
.num = (_num), \
.info = &(_info), \
.size = sizeof(_type), \
.flags = VMS_ARRAY, \
.offset = vmstate_offset_array(_state, _field, _type, _num),\
}
#define VMSTATE_SUB_ARRAY(_field, _state, _start, _num, _version, _info, _type) { \
.name = (stringify(_field)), \
.version_id = (_version), \
.num = (_num), \
.info = &(_info), \
.size = sizeof(_type), \
.flags = VMS_ARRAY, \
.offset = vmstate_offset_sub_array(_state, _field, _type, _start), \
}
#define VMSTATE_ARRAY_INT32_UNSAFE(_field, _state, _field_num, _info, _type) {\
.name = (stringify(_field)), \
.num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
.info = &(_info), \
.size = sizeof(_type), \
.flags = VMS_VARRAY_INT32, \
.offset = offsetof(_state, _field), \
}
#define VMSTATE_VARRAY_INT32(_field, _state, _field_num, _version, _info, _type) {\
.name = (stringify(_field)), \
.version_id = (_version), \
.num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
.info = &(_info), \
.size = sizeof(_type), \
.flags = VMS_VARRAY_INT32|VMS_POINTER, \
.offset = vmstate_offset_pointer(_state, _field, _type), \
}
#define VMSTATE_VARRAY_UINT32(_field, _state, _field_num, _version, _info, _type) {\
.name = (stringify(_field)), \
.version_id = (_version), \
.num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
.info = &(_info), \
.size = sizeof(_type), \
.flags = VMS_VARRAY_UINT32|VMS_POINTER, \
.offset = vmstate_offset_pointer(_state, _field, _type), \
}
#define VMSTATE_VARRAY_UINT16_UNSAFE(_field, _state, _field_num, _version, _info, _type) {\
.name = (stringify(_field)), \
.version_id = (_version), \
.num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\
.info = &(_info), \
.size = sizeof(_type), \
.flags = VMS_VARRAY_UINT16, \
.offset = offsetof(_state, _field), \
}
#define VMSTATE_STRUCT_TEST(_field, _state, _test, _version, _vmsd, _type) { \
.name = (stringify(_field)), \
.version_id = (_version), \
.field_exists = (_test), \
.vmsd = &(_vmsd), \
.size = sizeof(_type), \
.flags = VMS_STRUCT, \
.offset = vmstate_offset_value(_state, _field, _type), \
}
#define VMSTATE_STRUCT_POINTER_TEST(_field, _state, _test, _vmsd, _type) { \
.name = (stringify(_field)), \
.field_exists = (_test), \
.vmsd = &(_vmsd), \
.size = sizeof(_type), \
.flags = VMS_STRUCT|VMS_POINTER, \
.offset = vmstate_offset_value(_state, _field, _type), \
}
#define VMSTATE_ARRAY_OF_POINTER(_field, _state, _num, _version, _info, _type) {\
.name = (stringify(_field)), \
.version_id = (_version), \
.num = (_num), \
.info = &(_info), \
.size = sizeof(_type), \
.flags = VMS_ARRAY|VMS_ARRAY_OF_POINTER, \
.offset = vmstate_offset_array(_state, _field, _type, _num), \
}
#define VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, _test, _version, _vmsd, _type) { \
.name = (stringify(_field)), \
.num = (_num), \
.field_exists = (_test), \
.version_id = (_version), \
.vmsd = &(_vmsd), \
.size = sizeof(_type), \
.flags = VMS_STRUCT|VMS_ARRAY, \
.offset = vmstate_offset_array(_state, _field, _type, _num),\
}
#define VMSTATE_STRUCT_VARRAY_UINT8(_field, _state, _field_num, _version, _vmsd, _type) { \
.name = (stringify(_field)), \
.num_offset = vmstate_offset_value(_state, _field_num, uint8_t), \
.version_id = (_version), \
.vmsd = &(_vmsd), \
.size = sizeof(_type), \
.flags = VMS_STRUCT|VMS_VARRAY_UINT8, \
.offset = offsetof(_state, _field), \
}
#define VMSTATE_STRUCT_VARRAY_POINTER_INT32(_field, _state, _field_num, _vmsd, _type) { \
.name = (stringify(_field)), \
.version_id = 0, \
.num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
.size = sizeof(_type), \
.vmsd = &(_vmsd), \
.flags = VMS_POINTER | VMS_VARRAY_INT32 | VMS_STRUCT, \
.offset = vmstate_offset_pointer(_state, _field, _type), \
}
#define VMSTATE_STRUCT_VARRAY_POINTER_UINT16(_field, _state, _field_num, _vmsd, _type) { \
.name = (stringify(_field)), \
.version_id = 0, \
.num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\
.size = sizeof(_type), \
.vmsd = &(_vmsd), \
.flags = VMS_POINTER | VMS_VARRAY_UINT16 | VMS_STRUCT, \
.offset = vmstate_offset_pointer(_state, _field, _type), \
}
#define VMSTATE_STRUCT_VARRAY_INT32(_field, _state, _field_num, _version, _vmsd, _type) { \
.name = (stringify(_field)), \
.num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
.version_id = (_version), \
.vmsd = &(_vmsd), \
.size = sizeof(_type), \
.flags = VMS_STRUCT|VMS_VARRAY_INT32, \
.offset = offsetof(_state, _field), \
}
#define VMSTATE_STRUCT_VARRAY_UINT32(_field, _state, _field_num, _version, _vmsd, _type) { \
.name = (stringify(_field)), \
.num_offset = vmstate_offset_value(_state, _field_num, uint32_t), \
.version_id = (_version), \
.vmsd = &(_vmsd), \
.size = sizeof(_type), \
.flags = VMS_STRUCT|VMS_VARRAY_UINT32, \
.offset = offsetof(_state, _field), \
}
#define VMSTATE_STATIC_BUFFER(_field, _state, _version, _test, _start, _size) { \
.name = (stringify(_field)), \
.version_id = (_version), \
.field_exists = (_test), \
.size = (_size - _start), \
.info = &vmstate_info_buffer, \
.flags = VMS_BUFFER, \
.offset = vmstate_offset_buffer(_state, _field) + _start, \
}
#define VMSTATE_BUFFER_MULTIPLY(_field, _state, _version, _test, _start, _field_size, _multiply) { \
.name = (stringify(_field)), \
.version_id = (_version), \
.field_exists = (_test), \
.size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\
.size = (_multiply), \
.info = &vmstate_info_buffer, \
.flags = VMS_VBUFFER|VMS_MULTIPLY, \
.offset = offsetof(_state, _field), \
.start = (_start), \
}
#define VMSTATE_VBUFFER(_field, _state, _version, _test, _start, _field_size) { \
.name = (stringify(_field)), \
.version_id = (_version), \
.field_exists = (_test), \
.size_offset = vmstate_offset_value(_state, _field_size, int32_t),\
.info = &vmstate_info_buffer, \
.flags = VMS_VBUFFER|VMS_POINTER, \
.offset = offsetof(_state, _field), \
.start = (_start), \
}
#define VMSTATE_VBUFFER_UINT32(_field, _state, _version, _test, _start, _field_size) { \
.name = (stringify(_field)), \
.version_id = (_version), \
.field_exists = (_test), \
.size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\
.info = &vmstate_info_buffer, \
.flags = VMS_VBUFFER|VMS_POINTER, \
.offset = offsetof(_state, _field), \
.start = (_start), \
}
#define VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, _info, _size) { \
.name = (stringify(_field)), \
.version_id = (_version), \
.size = (_size), \
.info = &(_info), \
.flags = VMS_BUFFER, \
.offset = offsetof(_state, _field), \
}
#define VMSTATE_UNUSED_BUFFER(_test, _version, _size) { \
.name = "unused", \
.field_exists = (_test), \
.version_id = (_version), \
.size = (_size), \
.info = &vmstate_info_unused_buffer, \
.flags = VMS_BUFFER, \
}
/* _f : field name
_f_n : num of elements field_name
_n : num of elements
_s : struct state name
_v : version
*/
#define VMSTATE_SINGLE(_field, _state, _version, _info, _type) \
VMSTATE_SINGLE_TEST(_field, _state, NULL, _version, _info, _type)
#define VMSTATE_STRUCT(_field, _state, _version, _vmsd, _type) \
VMSTATE_STRUCT_TEST(_field, _state, NULL, _version, _vmsd, _type)
#define VMSTATE_STRUCT_POINTER(_field, _state, _vmsd, _type) \
VMSTATE_STRUCT_POINTER_TEST(_field, _state, NULL, _vmsd, _type)
#define VMSTATE_STRUCT_ARRAY(_field, _state, _num, _version, _vmsd, _type) \
VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, NULL, _version, \
_vmsd, _type)
#define VMSTATE_BOOL_V(_f, _s, _v) \
VMSTATE_SINGLE(_f, _s, _v, vmstate_info_bool, bool)
#define VMSTATE_INT8_V(_f, _s, _v) \
VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int8, int8_t)
#define VMSTATE_INT16_V(_f, _s, _v) \
VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int16, int16_t)
#define VMSTATE_INT32_V(_f, _s, _v) \
VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int32, int32_t)
#define VMSTATE_INT64_V(_f, _s, _v) \
VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int64, int64_t)
#define VMSTATE_UINT8_V(_f, _s, _v) \
VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint8, uint8_t)
#define VMSTATE_UINT16_V(_f, _s, _v) \
VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16, uint16_t)
#define VMSTATE_UINT32_V(_f, _s, _v) \
VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32, uint32_t)
#define VMSTATE_UINT64_V(_f, _s, _v) \
VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64, uint64_t)
#define VMSTATE_BOOL(_f, _s) \
VMSTATE_BOOL_V(_f, _s, 0)
#define VMSTATE_INT8(_f, _s) \
VMSTATE_INT8_V(_f, _s, 0)
#define VMSTATE_INT16(_f, _s) \
VMSTATE_INT16_V(_f, _s, 0)
#define VMSTATE_INT32(_f, _s) \
VMSTATE_INT32_V(_f, _s, 0)
#define VMSTATE_INT64(_f, _s) \
VMSTATE_INT64_V(_f, _s, 0)
#define VMSTATE_UINT8(_f, _s) \
VMSTATE_UINT8_V(_f, _s, 0)
#define VMSTATE_UINT16(_f, _s) \
VMSTATE_UINT16_V(_f, _s, 0)
#define VMSTATE_UINT32(_f, _s) \
VMSTATE_UINT32_V(_f, _s, 0)
#define VMSTATE_UINT64(_f, _s) \
VMSTATE_UINT64_V(_f, _s, 0)
#define VMSTATE_UINT8_EQUAL(_f, _s) \
VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint8_equal, uint8_t)
#define VMSTATE_UINT16_EQUAL(_f, _s) \
VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint16_equal, uint16_t)
#define VMSTATE_UINT16_EQUAL_V(_f, _s, _v) \
VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16_equal, uint16_t)
#define VMSTATE_INT32_EQUAL(_f, _s) \
VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_equal, int32_t)
#define VMSTATE_UINT32_EQUAL(_f, _s) \
VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint32_equal, uint32_t)
#define VMSTATE_INT32_LE(_f, _s) \
VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_le, int32_t)
#define VMSTATE_UINT8_TEST(_f, _s, _t) \
VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint8, uint8_t)
#define VMSTATE_UINT16_TEST(_f, _s, _t) \
VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint16, uint16_t)
#define VMSTATE_UINT32_TEST(_f, _s, _t) \
VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint32, uint32_t)
#define VMSTATE_TIMER_TEST(_f, _s, _test) \
VMSTATE_POINTER_TEST(_f, _s, _test, vmstate_info_timer, QEMUTimer *)
#define VMSTATE_TIMER(_f, _s) \
VMSTATE_TIMER_TEST(_f, _s, NULL)
#define VMSTATE_TIMER_ARRAY(_f, _s, _n) \
VMSTATE_ARRAY_OF_POINTER(_f, _s, _n, 0, vmstate_info_timer, QEMUTimer *)
#define VMSTATE_BOOL_ARRAY_V(_f, _s, _n, _v) \
VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_bool, bool)
#define VMSTATE_BOOL_ARRAY(_f, _s, _n) \
VMSTATE_BOOL_ARRAY_V(_f, _s, _n, 0)
#define VMSTATE_UINT16_ARRAY_V(_f, _s, _n, _v) \
VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint16, uint16_t)
#define VMSTATE_UINT16_ARRAY(_f, _s, _n) \
VMSTATE_UINT16_ARRAY_V(_f, _s, _n, 0)
#define VMSTATE_UINT8_ARRAY_V(_f, _s, _n, _v) \
VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint8, uint8_t)
#define VMSTATE_UINT8_ARRAY(_f, _s, _n) \
VMSTATE_UINT8_ARRAY_V(_f, _s, _n, 0)
#define VMSTATE_UINT32_ARRAY_V(_f, _s, _n, _v) \
VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint32, uint32_t)
#define VMSTATE_UINT32_ARRAY(_f, _s, _n) \
VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0)
#define VMSTATE_UINT64_ARRAY_V(_f, _s, _n, _v) \
VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint64, uint64_t)
#define VMSTATE_UINT64_ARRAY(_f, _s, _n) \
VMSTATE_UINT64_ARRAY_V(_f, _s, _n, 0)
#define VMSTATE_INT16_ARRAY_V(_f, _s, _n, _v) \
VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int16, int16_t)
#define VMSTATE_INT16_ARRAY(_f, _s, _n) \
VMSTATE_INT16_ARRAY_V(_f, _s, _n, 0)
#define VMSTATE_INT32_ARRAY_V(_f, _s, _n, _v) \
VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int32, int32_t)
#define VMSTATE_INT32_ARRAY(_f, _s, _n) \
VMSTATE_INT32_ARRAY_V(_f, _s, _n, 0)
#define VMSTATE_UINT32_SUB_ARRAY(_f, _s, _start, _num) \
VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint32, uint32_t)
#define VMSTATE_UINT32_ARRAY(_f, _s, _n) \
VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0)
#define VMSTATE_INT64_ARRAY_V(_f, _s, _n, _v) \
VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int64, int64_t)
#define VMSTATE_INT64_ARRAY(_f, _s, _n) \
VMSTATE_INT64_ARRAY_V(_f, _s, _n, 0)
#define VMSTATE_BUFFER_V(_f, _s, _v) \
VMSTATE_STATIC_BUFFER(_f, _s, _v, NULL, 0, sizeof(typeof_field(_s, _f)))
#define VMSTATE_BUFFER(_f, _s) \
VMSTATE_BUFFER_V(_f, _s, 0)
#define VMSTATE_PARTIAL_BUFFER(_f, _s, _size) \
VMSTATE_STATIC_BUFFER(_f, _s, 0, NULL, 0, _size)
#define VMSTATE_BUFFER_START_MIDDLE(_f, _s, _start) \
VMSTATE_STATIC_BUFFER(_f, _s, 0, NULL, _start, sizeof(typeof_field(_s, _f)))
#define VMSTATE_PARTIAL_VBUFFER(_f, _s, _size) \
VMSTATE_VBUFFER(_f, _s, 0, NULL, 0, _size)
#define VMSTATE_PARTIAL_VBUFFER_UINT32(_f, _s, _size) \
VMSTATE_VBUFFER_UINT32(_f, _s, 0, NULL, 0, _size)
#define VMSTATE_SUB_VBUFFER(_f, _s, _start, _size) \
VMSTATE_VBUFFER(_f, _s, 0, NULL, _start, _size)
#define VMSTATE_BUFFER_TEST(_f, _s, _test) \
VMSTATE_STATIC_BUFFER(_f, _s, 0, _test, 0, sizeof(typeof_field(_s, _f)))
#define VMSTATE_BUFFER_UNSAFE(_field, _state, _version, _size) \
VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, vmstate_info_buffer, _size)
#define VMSTATE_UNUSED_V(_v, _size) \
VMSTATE_UNUSED_BUFFER(NULL, _v, _size)
#define VMSTATE_UNUSED(_size) \
VMSTATE_UNUSED_V(0, _size)
#define VMSTATE_UNUSED_TEST(_test, _size) \
VMSTATE_UNUSED_BUFFER(_test, 0, _size)
#define VMSTATE_END_OF_LIST() \
{}
int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
void *opaque, int version_id);
void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,
void *opaque);
int vmstate_register(DeviceState *dev, int instance_id,
const VMStateDescription *vmsd, void *base);
int vmstate_register_with_alias_id(DeviceState *dev, int instance_id,
const VMStateDescription *vmsd,
void *base, int alias_id,
int required_for_version);
void vmstate_unregister(DeviceState *dev, const VMStateDescription *vmsd,
void *opaque);
struct MemoryRegion;
void vmstate_register_ram(struct MemoryRegion *memory, DeviceState *dev);
void vmstate_unregister_ram(struct MemoryRegion *memory, DeviceState *dev);
void vmstate_register_ram_global(struct MemoryRegion *memory);
#endif