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Diffstat (limited to 'qemu/include/migration/vmstate.h')
| -rw-r--r-- | qemu/include/migration/vmstate.h | 963 |
1 files changed, 0 insertions, 963 deletions
diff --git a/qemu/include/migration/vmstate.h b/qemu/include/migration/vmstate.h deleted file mode 100644 index 84ee355ce..000000000 --- a/qemu/include/migration/vmstate.h +++ /dev/null @@ -1,963 +0,0 @@ -/* - * 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 - -#ifndef CONFIG_USER_ONLY -#include <migration/qemu-file.h> -#endif -#include <qjson.h> - -typedef void SaveStateHandler(QEMUFile *f, void *opaque); -typedef int LoadStateHandler(QEMUFile *f, void *opaque, int version_id); - -typedef struct SaveVMHandlers { - /* This runs inside the iothread lock. */ - void (*set_params)(const MigrationParams *params, void * opaque); - SaveStateHandler *save_state; - - void (*cleanup)(void *opaque); - int (*save_live_complete_postcopy)(QEMUFile *f, void *opaque); - int (*save_live_complete_precopy)(QEMUFile *f, void *opaque); - - /* This runs both outside and inside the iothread lock. */ - bool (*is_active)(void *opaque); - - /* This runs outside the iothread lock in the migration case, and - * within the lock in the savevm case. The callback had better only - * use data that is local to the migration thread or protected - * by other locks. - */ - int (*save_live_iterate)(QEMUFile *f, void *opaque); - - /* This runs outside the iothread lock! */ - int (*save_live_setup)(QEMUFile *f, void *opaque); - void (*save_live_pending)(QEMUFile *f, void *opaque, uint64_t max_size, - uint64_t *non_postcopiable_pending, - uint64_t *postcopiable_pending); - LoadStateHandler *load_state; -} SaveVMHandlers; - -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, - SaveVMHandlers *ops, - void *opaque); - -void unregister_savevm(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 { - /* Ignored */ - VMS_SINGLE = 0x001, - - /* The struct member at opaque + VMStateField.offset is a pointer - * to the actual field (e.g. struct a { uint8_t *b; - * }). Dereference the pointer before using it as basis for - * further pointer arithmetic (see e.g. VMS_ARRAY). Does not - * affect the meaning of VMStateField.num_offset or - * VMStateField.size_offset; see VMS_VARRAY* and VMS_VBUFFER for - * those. */ - VMS_POINTER = 0x002, - - /* The field is an array of fixed size. VMStateField.num contains - * the number of entries in the array. The size of each entry is - * given by VMStateField.size and / or opaque + - * VMStateField.size_offset; see VMS_VBUFFER and - * VMS_MULTIPLY. Each array entry will be processed individually - * (VMStateField.info.get()/put() if VMS_STRUCT is not set, - * recursion into VMStateField.vmsd if VMS_STRUCT is set). May not - * be combined with VMS_VARRAY*. */ - VMS_ARRAY = 0x004, - - /* The field is itself a struct, containing one or more - * fields. Recurse into VMStateField.vmsd. Most useful in - * combination with VMS_ARRAY / VMS_VARRAY*, recursing into each - * array entry. */ - VMS_STRUCT = 0x008, - - /* The field is an array of variable size. The int32_t at opaque + - * VMStateField.num_offset contains the number of entries in the - * array. See the VMS_ARRAY description regarding array handling - * in general. May not be combined with VMS_ARRAY or any other - * VMS_VARRAY*. */ - VMS_VARRAY_INT32 = 0x010, - - /* Ignored */ - VMS_BUFFER = 0x020, - - /* The field is a (fixed-size or variable-size) array of pointers - * (e.g. struct a { uint8_t *b[]; }). Dereference each array entry - * before using it. Note: Does not imply any one of VMS_ARRAY / - * VMS_VARRAY*; these need to be set explicitly. */ - VMS_ARRAY_OF_POINTER = 0x040, - - /* The field is an array of variable size. The uint16_t at opaque - * + VMStateField.num_offset (subject to VMS_MULTIPLY_ELEMENTS) - * contains the number of entries in the array. See the VMS_ARRAY - * description regarding array handling in general. May not be - * combined with VMS_ARRAY or any other VMS_VARRAY*. */ - VMS_VARRAY_UINT16 = 0x080, - - /* The size of the individual entries (a single array entry if - * VMS_ARRAY or any of VMS_VARRAY* are set, or the field itself if - * neither is set) is variable (i.e. not known at compile-time), - * but the same for all entries. Use the int32_t at opaque + - * VMStateField.size_offset (subject to VMS_MULTIPLY) to determine - * the size of each (and every) entry. */ - VMS_VBUFFER = 0x100, - - /* Multiply the entry size given by the int32_t at opaque + - * VMStateField.size_offset (see VMS_VBUFFER description) with - * VMStateField.size to determine the number of bytes to be - * allocated. Only valid in combination with VMS_VBUFFER. */ - VMS_MULTIPLY = 0x200, - - /* The field is an array of variable size. The uint8_t at opaque + - * VMStateField.num_offset (subject to VMS_MULTIPLY_ELEMENTS) - * contains the number of entries in the array. See the VMS_ARRAY - * description regarding array handling in general. May not be - * combined with VMS_ARRAY or any other VMS_VARRAY*. */ - VMS_VARRAY_UINT8 = 0x400, - - /* The field is an array of variable size. The uint32_t at opaque - * + VMStateField.num_offset (subject to VMS_MULTIPLY_ELEMENTS) - * contains the number of entries in the array. See the VMS_ARRAY - * description regarding array handling in general. May not be - * combined with VMS_ARRAY or any other VMS_VARRAY*. */ - VMS_VARRAY_UINT32 = 0x800, - - /* Fail loading the serialised VM state if this field is missing - * from the input. */ - VMS_MUST_EXIST = 0x1000, - - /* When loading serialised VM state, allocate memory for the - * (entire) field. Only valid in combination with - * VMS_POINTER. Note: Not all combinations with other flags are - * currently supported, e.g. VMS_ALLOC|VMS_ARRAY_OF_POINTER won't - * cause the individual entries to be allocated. */ - VMS_ALLOC = 0x2000, - - /* Multiply the number of entries given by the integer at opaque + - * VMStateField.num_offset (see VMS_VARRAY*) with VMStateField.num - * to determine the number of entries in the array. Only valid in - * combination with one of VMS_VARRAY*. */ - VMS_MULTIPLY_ELEMENTS = 0x4000, -}; - -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; - -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); - bool (*needed)(void *opaque); - VMStateField *fields; - const VMStateDescription **subsections; -}; - -extern const VMStateDescription vmstate_dummy; - -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_uint64_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_float64; -extern const VMStateInfo vmstate_info_cpudouble; - -extern const VMStateInfo vmstate_info_timer; -extern const VMStateInfo vmstate_info_buffer; -extern const VMStateInfo vmstate_info_unused_buffer; -extern const VMStateInfo vmstate_info_bitmap; - -#define type_check_2darray(t1,t2,n,m) ((t1(*)[n][m])0 - (t2*)0) -#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_2darray(_state, _field, _type, _n1, _n2) \ - (offsetof(_state, _field) + \ - type_check_2darray(_type, typeof_field(_state, _field), _n1, _n2)) - -#define vmstate_offset_sub_array(_state, _field, _type, _start) \ - vmstate_offset_value(_state, _field[_start], _type) - -#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), \ -} - -/* Validate state using a boolean predicate. */ -#define VMSTATE_VALIDATE(_name, _test) { \ - .name = (_name), \ - .field_exists = (_test), \ - .flags = VMS_ARRAY | VMS_MUST_EXIST, \ - .num = 0, /* 0 elements: no data, only run _test */ \ -} - -#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_2DARRAY(_field, _state, _n1, _n2, _version, _info, _type) { \ - .name = (stringify(_field)), \ - .version_id = (_version), \ - .num = (_n1) * (_n2), \ - .info = &(_info), \ - .size = sizeof(_type), \ - .flags = VMS_ARRAY, \ - .offset = vmstate_offset_2darray(_state, _field, _type, _n1, _n2), \ -} - -#define VMSTATE_VARRAY_MULTIPLY(_field, _state, _field_num, _multiply, _info, _type) { \ - .name = (stringify(_field)), \ - .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\ - .num = (_multiply), \ - .info = &(_info), \ - .size = sizeof(_type), \ - .flags = VMS_VARRAY_UINT32|VMS_MULTIPLY_ELEMENTS, \ - .offset = offsetof(_state, _field), \ -} - -#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_V(_field, _state, _version, _vmsd, _type) { \ - .name = (stringify(_field)), \ - .version_id = (_version), \ - .vmsd = &(_vmsd), \ - .size = sizeof(_type *), \ - .flags = VMS_STRUCT|VMS_POINTER, \ - .offset = vmstate_offset_pointer(_state, _field, _type), \ -} - -#define VMSTATE_STRUCT_POINTER_TEST_V(_field, _state, _test, _version, _vmsd, _type) { \ - .name = (stringify(_field)), \ - .version_id = (_version), \ - .field_exists = (_test), \ - .vmsd = &(_vmsd), \ - .size = sizeof(_type *), \ - .flags = VMS_STRUCT|VMS_POINTER, \ - .offset = vmstate_offset_pointer(_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_ARRAY_OF_POINTER_TO_STRUCT(_f, _s, _n, _v, _vmsd, _type) { \ - .name = (stringify(_f)), \ - .version_id = (_v), \ - .num = (_n), \ - .vmsd = &(_vmsd), \ - .size = sizeof(_type *), \ - .flags = VMS_ARRAY|VMS_STRUCT|VMS_ARRAY_OF_POINTER, \ - .offset = vmstate_offset_array(_s, _f, _type*, _n), \ -} - -#define VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, _num, _version, _vmsd, _type) { \ - .name = (stringify(_field)), \ - .version_id = (_version), \ - .num = (_num), \ - .vmsd = &(_vmsd), \ - .size = sizeof(_type), \ - .flags = VMS_STRUCT|VMS_ARRAY, \ - .offset = vmstate_offset_sub_array(_state, _field, _type, _start), \ -} - -#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), \ -} - -/* a variable length array (i.e. _type *_field) but we know the - * length - */ -#define VMSTATE_STRUCT_VARRAY_POINTER_KNOWN(_field, _state, _num, _version, _vmsd, _type) { \ - .name = (stringify(_field)), \ - .num = (_num), \ - .version_id = (_version), \ - .vmsd = &(_vmsd), \ - .size = sizeof(_type), \ - .flags = VMS_STRUCT|VMS_ARRAY|VMS_POINTER, \ - .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_UINT32(_field, _state, _field_num, _vmsd, _type) { \ - .name = (stringify(_field)), \ - .version_id = 0, \ - .num_offset = vmstate_offset_value(_state, _field_num, uint32_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_STRUCT_VARRAY_ALLOC(_field, _state, _field_num, _version, _vmsd, _type) {\ - .name = (stringify(_field)), \ - .version_id = (_version), \ - .vmsd = &(_vmsd), \ - .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \ - .size = sizeof(_type), \ - .flags = VMS_STRUCT|VMS_VARRAY_INT32|VMS_ALLOC|VMS_POINTER, \ - .offset = vmstate_offset_pointer(_state, _field, _type), \ -} - -#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_VBUFFER_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_POINTER|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_VBUFFER_ALLOC_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|VMS_ALLOC, \ - .offset = offsetof(_state, _field), \ - .start = (_start), \ -} - -#define VMSTATE_BUFFER_UNSAFE_INFO_TEST(_field, _state, _test, _version, _info, _size) { \ - .name = (stringify(_field)), \ - .version_id = (_version), \ - .field_exists = (_test), \ - .size = (_size), \ - .info = &(_info), \ - .flags = VMS_BUFFER, \ - .offset = offsetof(_state, _field), \ -} - -#define VMSTATE_BUFFER_POINTER_UNSAFE(_field, _state, _version, _size) { \ - .name = (stringify(_field)), \ - .version_id = (_version), \ - .size = (_size), \ - .info = &vmstate_info_buffer, \ - .flags = VMS_BUFFER|VMS_POINTER, \ - .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, \ -} - -/* _field_size should be a int32_t field in the _state struct giving the - * size of the bitmap _field in bits. - */ -#define VMSTATE_BITMAP(_field, _state, _version, _field_size) { \ - .name = (stringify(_field)), \ - .version_id = (_version), \ - .size_offset = vmstate_offset_value(_state, _field_size, int32_t),\ - .info = &vmstate_info_bitmap, \ - .flags = VMS_VBUFFER|VMS_POINTER, \ - .offset = offsetof(_state, _field), \ -} - -/* _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_V(_field, _state, 0, _vmsd, _type) - -#define VMSTATE_STRUCT_POINTER_TEST(_field, _state, _test, _vmsd, _type) \ - VMSTATE_STRUCT_POINTER_TEST_V(_field, _state, _test, 0, _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_BUFFER_UNSAFE_INFO(_field, _state, _version, _info, _size) \ - VMSTATE_BUFFER_UNSAFE_INFO_TEST(_field, _state, NULL, _version, _info, \ - _size) - -#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_V(_f, _s, _v) \ - VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32_equal, uint32_t) - -#define VMSTATE_UINT32_EQUAL(_f, _s) \ - VMSTATE_UINT32_EQUAL_V(_f, _s, 0) - -#define VMSTATE_UINT64_EQUAL_V(_f, _s, _v) \ - VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64_equal, uint64_t) - -#define VMSTATE_UINT64_EQUAL(_f, _s) \ - VMSTATE_UINT64_EQUAL_V(_f, _s, 0) - -#define VMSTATE_INT32_POSITIVE_LE(_f, _s) \ - VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_le, int32_t) - -#define VMSTATE_INT8_TEST(_f, _s, _t) \ - VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int8, int8_t) - -#define VMSTATE_INT16_TEST(_f, _s, _t) \ - VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int16, int16_t) - -#define VMSTATE_INT32_TEST(_f, _s, _t) \ - VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int32, int32_t) - -#define VMSTATE_INT64_TEST(_f, _s, _t) \ - VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int64, int64_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_UINT64_TEST(_f, _s, _t) \ - VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint64, uint64_t) - - -#define VMSTATE_FLOAT64_V(_f, _s, _v) \ - VMSTATE_SINGLE(_f, _s, _v, vmstate_info_float64, float64) - -#define VMSTATE_FLOAT64(_f, _s) \ - VMSTATE_FLOAT64_V(_f, _s, 0) - -#define VMSTATE_TIMER_PTR_TEST(_f, _s, _test) \ - VMSTATE_POINTER_TEST(_f, _s, _test, vmstate_info_timer, QEMUTimer *) - -#define VMSTATE_TIMER_PTR_V(_f, _s, _v) \ - VMSTATE_POINTER(_f, _s, _v, vmstate_info_timer, QEMUTimer *) - -#define VMSTATE_TIMER_PTR(_f, _s) \ - VMSTATE_TIMER_PTR_V(_f, _s, 0) - -#define VMSTATE_TIMER_PTR_ARRAY(_f, _s, _n) \ - VMSTATE_ARRAY_OF_POINTER(_f, _s, _n, 0, vmstate_info_timer, QEMUTimer *) - -#define VMSTATE_TIMER_TEST(_f, _s, _test) \ - VMSTATE_SINGLE_TEST(_f, _s, _test, 0, vmstate_info_timer, QEMUTimer) - -#define VMSTATE_TIMER_V(_f, _s, _v) \ - VMSTATE_SINGLE(_f, _s, _v, vmstate_info_timer, QEMUTimer) - -#define VMSTATE_TIMER(_f, _s) \ - VMSTATE_TIMER_V(_f, _s, 0) - -#define VMSTATE_TIMER_ARRAY(_f, _s, _n) \ - VMSTATE_ARRAY(_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_2DARRAY_V(_f, _s, _n1, _n2, _v) \ - VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint16, uint16_t) - -#define VMSTATE_UINT16_ARRAY(_f, _s, _n) \ - VMSTATE_UINT16_ARRAY_V(_f, _s, _n, 0) - -#define VMSTATE_UINT16_2DARRAY(_f, _s, _n1, _n2) \ - VMSTATE_UINT16_2DARRAY_V(_f, _s, _n1, _n2, 0) - -#define VMSTATE_UINT8_2DARRAY_V(_f, _s, _n1, _n2, _v) \ - VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint8, uint8_t) - -#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_UINT8_SUB_ARRAY(_f, _s, _start, _num) \ - VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint8, uint8_t) - -#define VMSTATE_UINT8_2DARRAY(_f, _s, _n1, _n2) \ - VMSTATE_UINT8_2DARRAY_V(_f, _s, _n1, _n2, 0) - -#define VMSTATE_UINT32_ARRAY_V(_f, _s, _n, _v) \ - VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint32, uint32_t) - -#define VMSTATE_UINT32_2DARRAY_V(_f, _s, _n1, _n2, _v) \ - VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint32, uint32_t) - -#define VMSTATE_UINT32_ARRAY(_f, _s, _n) \ - VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0) - -#define VMSTATE_UINT32_2DARRAY(_f, _s, _n1, _n2) \ - VMSTATE_UINT32_2DARRAY_V(_f, _s, _n1, _n2, 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_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_FLOAT64_ARRAY_V(_f, _s, _n, _v) \ - VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_float64, float64) - -#define VMSTATE_FLOAT64_ARRAY(_f, _s, _n) \ - VMSTATE_FLOAT64_ARRAY_V(_f, _s, _n, 0) - -#define VMSTATE_CPUDOUBLE_ARRAY_V(_f, _s, _n, _v) \ - VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_cpudouble, CPU_DoubleU) - -#define VMSTATE_CPUDOUBLE_ARRAY(_f, _s, _n) \ - VMSTATE_CPUDOUBLE_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() \ - {} - -#define SELF_ANNOUNCE_ROUNDS 5 - -void loadvm_free_handlers(MigrationIncomingState *mis); - -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, QJSON *vmdesc); - -bool vmstate_save_needed(const VMStateDescription *vmsd, void *opaque); - -int vmstate_register_with_alias_id(DeviceState *dev, int instance_id, - const VMStateDescription *vmsd, - void *base, int alias_id, - int required_for_version); - -static inline int vmstate_register(DeviceState *dev, int instance_id, - const VMStateDescription *vmsd, - void *opaque) -{ - return vmstate_register_with_alias_id(dev, instance_id, vmsd, - opaque, -1, 0); -} - -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); - -static inline -int64_t self_announce_delay(int round) -{ - assert(round < SELF_ANNOUNCE_ROUNDS && round > 0); - /* delay 50ms, 150ms, 250ms, ... */ - return 50 + (SELF_ANNOUNCE_ROUNDS - round - 1) * 100; -} - -void dump_vmstate_json_to_file(FILE *out_fp); - -#endif |