diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/hw.h | 102 |
1 files changed, 102 insertions, 0 deletions
@@ -270,4 +270,106 @@ typedef int QEMUBootSetHandler(void *opaque, const char *boot_devices); void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque); int qemu_boot_set(const char *boot_devices); +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, const void *pv, size_t size); +}; + +enum VMStateFlags { + VMS_SINGLE = 0x001, +}; + +typedef struct { + const char *name; + size_t offset; + size_t size; + const VMStateInfo *info; + enum VMStateFlags flags; + int version_id; +} VMStateField; + +struct VMStateDescription { + const char *name; + int version_id; + int minimum_version_id; + int minimum_version_id_old; + LoadStateHandler *load_state_old; + VMStateField *fields; +}; + +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; +extern const VMStateInfo vmstate_info_uint16; +extern const VMStateInfo vmstate_info_uint32; +extern const VMStateInfo vmstate_info_uint64; + +#define VMSTATE_SINGLE(_field, _state, _version, _info, _type) { \ + .name = (stringify(_field)), \ + .version_id = (_version), \ + .size = sizeof(_type), \ + .info = &(_info), \ + .flags = VMS_SINGLE, \ + .offset = offsetof(_state, _field) \ + + type_check(_type,typeof_field(_state, _field)) \ +} + +/* _f : field name + _s : struct state name + _v : version +*/ + +#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_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_END_OF_LIST() \ + {} + +extern int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd, + void *opaque, int version_id); +extern void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd, + const void *opaque); +extern int vmstate_register(int instance_id, const VMStateDescription *vmsd, + void *base); +extern void vmstate_unregister(const char *idstr, void *opaque); #endif |