#ifndef QEMU_VMSTATE_H
#define QEMU_VMSTATE_H 1
+#ifndef CONFIG_USER_ONLY
+#include <migration/qemu-file.h>
+#endif
+
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;
- int (*save_live_setup)(QEMUFile *f, void *opaque);
- int (*save_live_iterate)(QEMUFile *f, void *opaque);
+
+ void (*cancel)(void *opaque);
int (*save_live_complete)(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);
uint64_t (*save_live_pending)(QEMUFile *f, void *opaque, uint64_t max_size);
- void (*cancel)(void *opaque);
+
LoadStateHandler *load_state;
- bool (*is_active)(void *opaque);
} SaveVMHandlers;
int register_savevm(DeviceState *dev,
const VMStateSubsection *subsections;
};
+#ifdef CONFIG_USER_ONLY
+extern const VMStateDescription vmstate_dummy;
+#endif
+
extern const VMStateInfo vmstate_info_bool;
extern const VMStateInfo vmstate_info_int8;
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_uint32;
extern const VMStateInfo vmstate_info_uint64;
+extern const VMStateInfo vmstate_info_float64;
+
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)
(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) \
(offsetof(_state, _field[_start]))
.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_ARRAY_TEST(_field, _state, _num, _test, _info, _type) {\
.name = (stringify(_field)), \
.field_exists = (_test), \
.offset = vmstate_offset_value(_state, _field, _type), \
}
-#define VMSTATE_STRUCT_POINTER_TEST(_field, _state, _test, _vmsd, _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_value(_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), \
.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, \
.offset = vmstate_offset_buffer(_state, _field) + _start, \
}
-#define VMSTATE_BUFFER_MULTIPLY(_field, _state, _version, _test, _start, _field_size, _multiply) { \
+#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_MULTIPLY, \
+ .flags = VMS_VBUFFER|VMS_POINTER|VMS_MULTIPLY, \
.offset = offsetof(_state, _field), \
.start = (_start), \
}
.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), \
VMSTATE_STRUCT_TEST(_field, _state, NULL, _version, _vmsd, _type)
#define VMSTATE_STRUCT_POINTER(_field, _state, _vmsd, _type) \
- VMSTATE_STRUCT_POINTER_TEST(_field, _state, NULL, _vmsd, _type)
+ 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, \
#define VMSTATE_INT32_EQUAL(_f, _s) \
VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_equal, int32_t)
-#define VMSTATE_UINT32_EQUAL(_f, _s) \
- VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint32_equal, uint32_t)
+#define VMSTATE_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_LE(_f, _s) \
VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_le, int32_t)
#define VMSTATE_UINT32_TEST(_f, _s, _t) \
VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint32, uint32_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_TEST(_f, _s, _test) \
VMSTATE_POINTER_TEST(_f, _s, _test, vmstate_info_timer, QEMUTimer *)
#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_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_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_BUFFER_V(_f, _s, _v) \
VMSTATE_STATIC_BUFFER(_f, _s, _v, NULL, 0, sizeof(typeof_field(_s, _f)))
void *opaque, int version_id);
void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,
void *opaque);
-int vmstate_register(DeviceState *dev, int instance_id,
- const VMStateDescription *vmsd, void *base);
+
int vmstate_register_with_alias_id(DeviceState *dev, int instance_id,
const VMStateDescription *vmsd,
void *base, int alias_id,
int required_for_version);
+
+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);
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