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qemu/hw/hw.h
Juan Quintela 632cf0730c vmstate: add support for arrays of uint16_t 
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-09-11 11:10:06 -05:00

527 lines
19 KiB
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/* Declarations for use by hardware emulation. */
#ifndef QEMU_HW_H
#define QEMU_HW_H
#include "qemu-common.h"
#if defined(TARGET_PHYS_ADDR_BITS) && !defined(NEED_CPU_H)
#include "targphys.h"
#include "poison.h"
#include "cpu-common.h"
#endif
#include "ioport.h"
#include "irq.h"
/* VM Load/Save */
/* This function writes a chunk of data to a file at the given position.
* The pos argument can be ignored if the file is only being used for
* streaming. The handler should try to write all of the data it can.
*/
typedef int (QEMUFilePutBufferFunc)(void *opaque, const uint8_t *buf,
int64_t pos, int size);
/* Read a chunk of data from a file at the given position. The pos argument
* can be ignored if the file is only be used for streaming. The number of
* bytes actually read should be returned.
*/
typedef int (QEMUFileGetBufferFunc)(void *opaque, uint8_t *buf,
int64_t pos, int size);
/* Close a file and return an error code */
typedef int (QEMUFileCloseFunc)(void *opaque);
/* Called to determine if the file has exceeded it's bandwidth allocation. The
* bandwidth capping is a soft limit, not a hard limit.
*/
typedef int (QEMUFileRateLimit)(void *opaque);
/* Called to change the current bandwidth allocation. This function must return
* the new actual bandwidth. It should be new_rate if everything goes ok, and
* the old rate otherwise
*/
typedef size_t (QEMUFileSetRateLimit)(void *opaque, size_t new_rate);
QEMUFile *qemu_fopen_ops(void *opaque, QEMUFilePutBufferFunc *put_buffer,
QEMUFileGetBufferFunc *get_buffer,
QEMUFileCloseFunc *close,
QEMUFileRateLimit *rate_limit,
QEMUFileSetRateLimit *set_rate_limit);
QEMUFile *qemu_fopen(const char *filename, const char *mode);
QEMUFile *qemu_fdopen(int fd, const char *mode);
QEMUFile *qemu_fopen_socket(int fd);
QEMUFile *qemu_popen(FILE *popen_file, const char *mode);
QEMUFile *qemu_popen_cmd(const char *command, const char *mode);
int qemu_stdio_fd(QEMUFile *f);
void qemu_fflush(QEMUFile *f);
int qemu_fclose(QEMUFile *f);
void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size);
void qemu_put_byte(QEMUFile *f, int v);
static inline void qemu_put_ubyte(QEMUFile *f, unsigned int v)
{
qemu_put_byte(f, (int)v);
}
#define qemu_put_sbyte qemu_put_byte
void qemu_put_be16(QEMUFile *f, unsigned int v);
void qemu_put_be32(QEMUFile *f, unsigned int v);
void qemu_put_be64(QEMUFile *f, uint64_t v);
int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size);
int qemu_get_byte(QEMUFile *f);
static inline unsigned int qemu_get_ubyte(QEMUFile *f)
{
return (unsigned int)qemu_get_byte(f);
}
#define qemu_get_sbyte qemu_get_byte
unsigned int qemu_get_be16(QEMUFile *f);
unsigned int qemu_get_be32(QEMUFile *f);
uint64_t qemu_get_be64(QEMUFile *f);
int qemu_file_rate_limit(QEMUFile *f);
size_t qemu_file_set_rate_limit(QEMUFile *f, size_t new_rate);
int qemu_file_has_error(QEMUFile *f);
void qemu_file_set_error(QEMUFile *f);
/* Try to send any outstanding data. This function is useful when output is
* halted due to rate limiting or EAGAIN errors occur as it can be used to
* resume output. */
void qemu_file_put_notify(QEMUFile *f);
static inline void qemu_put_be64s(QEMUFile *f, const uint64_t *pv)
{
qemu_put_be64(f, *pv);
}
static inline void qemu_put_be32s(QEMUFile *f, const uint32_t *pv)
{
qemu_put_be32(f, *pv);
}
static inline void qemu_put_be16s(QEMUFile *f, const uint16_t *pv)
{
qemu_put_be16(f, *pv);
}
static inline void qemu_put_8s(QEMUFile *f, const uint8_t *pv)
{
qemu_put_byte(f, *pv);
}
static inline void qemu_get_be64s(QEMUFile *f, uint64_t *pv)
{
*pv = qemu_get_be64(f);
}
static inline void qemu_get_be32s(QEMUFile *f, uint32_t *pv)
{
*pv = qemu_get_be32(f);
}
static inline void qemu_get_be16s(QEMUFile *f, uint16_t *pv)
{
*pv = qemu_get_be16(f);
}
static inline void qemu_get_8s(QEMUFile *f, uint8_t *pv)
{
*pv = qemu_get_byte(f);
}
// Signed versions for type safety
static inline void qemu_put_sbuffer(QEMUFile *f, const int8_t *buf, int size)
{
qemu_put_buffer(f, (const uint8_t *)buf, size);
}
static inline void qemu_put_sbe16(QEMUFile *f, int v)
{
qemu_put_be16(f, (unsigned int)v);
}
static inline void qemu_put_sbe32(QEMUFile *f, int v)
{
qemu_put_be32(f, (unsigned int)v);
}
static inline void qemu_put_sbe64(QEMUFile *f, int64_t v)
{
qemu_put_be64(f, (uint64_t)v);
}
static inline size_t qemu_get_sbuffer(QEMUFile *f, int8_t *buf, int size)
{
return qemu_get_buffer(f, (uint8_t *)buf, size);
}
static inline int qemu_get_sbe16(QEMUFile *f)
{
return (int)qemu_get_be16(f);
}
static inline int qemu_get_sbe32(QEMUFile *f)
{
return (int)qemu_get_be32(f);
}
static inline int64_t qemu_get_sbe64(QEMUFile *f)
{
return (int64_t)qemu_get_be64(f);
}
static inline void qemu_put_s8s(QEMUFile *f, const int8_t *pv)
{
qemu_put_8s(f, (const uint8_t *)pv);
}
static inline void qemu_put_sbe16s(QEMUFile *f, const int16_t *pv)
{
qemu_put_be16s(f, (const uint16_t *)pv);
}
static inline void qemu_put_sbe32s(QEMUFile *f, const int32_t *pv)
{
qemu_put_be32s(f, (const uint32_t *)pv);
}
static inline void qemu_put_sbe64s(QEMUFile *f, const int64_t *pv)
{
qemu_put_be64s(f, (const uint64_t *)pv);
}
static inline void qemu_get_s8s(QEMUFile *f, int8_t *pv)
{
qemu_get_8s(f, (uint8_t *)pv);
}
static inline void qemu_get_sbe16s(QEMUFile *f, int16_t *pv)
{
qemu_get_be16s(f, (uint16_t *)pv);
}
static inline void qemu_get_sbe32s(QEMUFile *f, int32_t *pv)
{
qemu_get_be32s(f, (uint32_t *)pv);
}
static inline void qemu_get_sbe64s(QEMUFile *f, int64_t *pv)
{
qemu_get_be64s(f, (uint64_t *)pv);
}
#ifdef NEED_CPU_H
#if TARGET_LONG_BITS == 64
#define qemu_put_betl qemu_put_be64
#define qemu_get_betl qemu_get_be64
#define qemu_put_betls qemu_put_be64s
#define qemu_get_betls qemu_get_be64s
#define qemu_put_sbetl qemu_put_sbe64
#define qemu_get_sbetl qemu_get_sbe64
#define qemu_put_sbetls qemu_put_sbe64s
#define qemu_get_sbetls qemu_get_sbe64s
#else
#define qemu_put_betl qemu_put_be32
#define qemu_get_betl qemu_get_be32
#define qemu_put_betls qemu_put_be32s
#define qemu_get_betls qemu_get_be32s
#define qemu_put_sbetl qemu_put_sbe32
#define qemu_get_sbetl qemu_get_sbe32
#define qemu_put_sbetls qemu_put_sbe32s
#define qemu_get_sbetls qemu_get_sbe32s
#endif
#endif
int64_t qemu_ftell(QEMUFile *f);
int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence);
typedef void SaveStateHandler(QEMUFile *f, void *opaque);
typedef int SaveLiveStateHandler(QEMUFile *f, int stage, void *opaque);
typedef int LoadStateHandler(QEMUFile *f, void *opaque, int version_id);
int register_savevm(const char *idstr,
int instance_id,
int version_id,
SaveStateHandler *save_state,
LoadStateHandler *load_state,
void *opaque);
int register_savevm_live(const char *idstr,
int instance_id,
int version_id,
SaveLiveStateHandler *save_live_state,
SaveStateHandler *save_state,
LoadStateHandler *load_state,
void *opaque);
void unregister_savevm(const char *idstr, void *opaque);
typedef void QEMUResetHandler(void *opaque);
void qemu_register_reset(QEMUResetHandler *func, void *opaque);
void qemu_unregister_reset(QEMUResetHandler *func, void *opaque);
/* handler to set the boot_device order for a specific type of QEMUMachine */
/* return 0 if success */
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,
VMS_POINTER = 0x002,
VMS_ARRAY = 0x004,
VMS_STRUCT = 0x008,
VMS_VARRAY = 0x010, /* Array with size in another field */
VMS_BUFFER = 0x020, /* static sized buffer */
};
typedef struct {
const char *name;
size_t offset;
size_t size;
int num;
size_t num_offset;
const VMStateInfo *info;
enum VMStateFlags flags;
const VMStateDescription *vmsd;
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;
int (*pre_load)(void *opaque);
int (*post_load)(void *opaque);
void (*pre_save)(const void *opaque);
void (*post_save)(const void *opaque);
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_equal;
extern const VMStateInfo vmstate_info_int32_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_timer;
extern const VMStateInfo vmstate_info_ptimer;
extern const VMStateInfo vmstate_info_buffer;
#define type_check_array(t1,t2,n) ((t1(*)[n])0 - (t2*)0)
#define type_check_pointer(t1,t2) ((t1**)0 - (t2*)0)
#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)) \
}
#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 = offsetof(_state, _field) \
+ type_check(_type,typeof_field(_state, _field)) \
}
#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 = offsetof(_state, _field) \
+ type_check_array(_type,typeof_field(_state, _field),_num) \
}
#define VMSTATE_VARRAY(_field, _state, _field_num, _version, _info, _type) {\
.name = (stringify(_field)), \
.version_id = (_version), \
.num_offset = offsetof(_state, _field_num) \
+ type_check(int32_t,typeof_field(_state, _field_num)), \
.info = &(_info), \
.size = sizeof(_type), \
.flags = VMS_VARRAY|VMS_POINTER, \
.offset = offsetof(_state, _field) \
+ type_check_pointer(_type,typeof_field(_state, _field)) \
}
#define VMSTATE_STRUCT(_field, _state, _version, _vmsd, _type) { \
.name = (stringify(_field)), \
.version_id = (_version), \
.vmsd = &(_vmsd), \
.size = sizeof(_type), \
.flags = VMS_STRUCT, \
.offset = offsetof(_state, _field) \
+ type_check(_type,typeof_field(_state, _field)) \
}
#define VMSTATE_STRUCT_ARRAY(_field, _state, _num, _version, _vmsd, _type) { \
.name = (stringify(_field)), \
.num = (_num), \
.version_id = (_version), \
.vmsd = &(_vmsd), \
.size = sizeof(_type), \
.flags = VMS_STRUCT|VMS_ARRAY, \
.offset = offsetof(_state, _field) \
+ type_check_array(_type,typeof_field(_state, _field),_num) \
}
#define VMSTATE_STATIC_BUFFER(_field, _state, _version) { \
.name = (stringify(_field)), \
.version_id = (_version), \
.size = sizeof(typeof_field(_state,_field)), \
.info = &vmstate_info_buffer, \
.flags = VMS_BUFFER, \
.offset = offsetof(_state, _field) \
+ type_check_array(uint8_t,typeof_field(_state, _field),sizeof(typeof_field(_state,_field))) \
}
extern const VMStateDescription vmstate_pci_device;
#define VMSTATE_PCI_DEVICE(_field, _state) { \
.name = (stringify(_field)), \
.size = sizeof(PCIDevice), \
.vmsd = &vmstate_pci_device, \
.flags = VMS_STRUCT, \
.offset = offsetof(_state, _field) \
+ type_check(PCIDevice,typeof_field(_state, _field)) \
}
/* _f : field name
_f_n : num of elements field_name
_n : num of elements
_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_UINT8_EQUAL(_f, _s) \
VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint8_equal, uint8_t)
#define VMSTATE_INT32_EQUAL(_f, _s) \
VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_equal, int32_t)
#define VMSTATE_INT32_LE(_f, _s) \
VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_le, int32_t)
#define VMSTATE_TIMER_V(_f, _s, _v) \
VMSTATE_POINTER(_f, _s, _v, vmstate_info_timer, QEMUTimer *)
#define VMSTATE_TIMER(_f, _s) \
VMSTATE_TIMER_V(_f, _s, 0)
#define VMSTATE_PTIMER_V(_f, _s, _v) \
VMSTATE_POINTER(_f, _s, _v, vmstate_info_ptimer, ptimer_state *)
#define VMSTATE_PTIMER(_f, _s) \
VMSTATE_PTIMER_V(_f, _s, 0)
#define VMSTATE_UINT16_ARRAY_V(_f, _s, _n, _v) \
VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint16, uint16_t)
#define VMSTATE_UINT16_ARRAY(_f, _s, _n) \
VMSTATE_UINT16_ARRAY_V(_f, _s, _n, 0)
#define VMSTATE_UINT32_ARRAY_V(_f, _s, _n, _v) \
VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint32, uint32_t)
#define VMSTATE_UINT32_ARRAY(_f, _s, _n) \
VMSTATE_UINT32_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_INT32_VARRAY_V(_f, _s, _f_n, _v) \
VMSTATE_VARRAY(_f, _s, _f_n, _v, vmstate_info_int32, int32_t)
#define VMSTATE_INT32_VARRAY(_f, _s, _f_n) \
VMSTATE_INT32_VARRAY_V(_f, _s, _f_n, 0)
#define VMSTATE_BUFFER_V(_f, _s, _v) \
VMSTATE_STATIC_BUFFER(_f, _s, _v)
#define VMSTATE_BUFFER(_f, _s) \
VMSTATE_STATIC_BUFFER(_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);
void vmstate_unregister(const VMStateDescription *vmsd, void *opaque);
#endif
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