| /* |
| * 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 |
