diff options
Diffstat (limited to 'hw/hw.h')
| -rw-r--r-- | hw/hw.h | 175 |
1 files changed, 166 insertions, 9 deletions
@@ -8,19 +8,81 @@ /* 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_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_popen_fd(QEMUFile *f); void qemu_fflush(QEMUFile *f); -void qemu_fclose(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) { @@ -62,17 +124,106 @@ 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 @@ -80,6 +231,7 @@ 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, @@ -89,22 +241,27 @@ int register_savevm(const char *idstr, 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_register_reset(QEMUResetHandler *func, int order, void *opaque); /* handler to set the boot_device for a specific type of QEMUMachine */ /* return 0 if success */ -typedef int QEMUBootSetHandler(const char *boot_device); -extern QEMUBootSetHandler *qemu_boot_set_handler; -void qemu_register_boot_set(QEMUBootSetHandler *func); +typedef int QEMUBootSetHandler(void *opaque, const char *boot_device); +void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque); /* These should really be in isa.h, but are here to make pc.h happy. */ typedef void (IOPortWriteFunc)(void *opaque, uint32_t address, uint32_t data); typedef uint32_t (IOPortReadFunc)(void *opaque, uint32_t address); - -/* ANDROID: copy memory from the QEMU buffer to simulated virtual space */ -extern void pmemcpy(target_ulong ptr, const char *buf, int size); - #endif |