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