Revision 5dafc53f hw/hw.h

b/hw/hw.h
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/* VM Load/Save */
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/* This function writes a chunk of data to a file at the given position.
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 * The pos argument can be ignored if the file is only being used for
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 * streaming.  The handler should try to write all of the data it can.
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 */
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typedef void (QEMUFilePutBufferFunc)(void *opaque, const uint8_t *buf,
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                                     int64_t pos, int size);
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/* Read a chunk of data from a file at the given position.  The pos argument
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 * can be ignored if the file is only be used for streaming.  The number of
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 * bytes actually read should be returned.
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 */
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typedef int (QEMUFileGetBufferFunc)(void *opaque, uint8_t *buf,
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                                    int64_t pos, int size);
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/* Close a file and return an error code */
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typedef int (QEMUFileCloseFunc)(void *opaque);
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/* Called to determine if the file has exceeded it's bandwidth allocation.  The
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 * bandwidth capping is a soft limit, not a hard limit.
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 */
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typedef int (QEMUFileRateLimit)(void *opaque);
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QEMUFile *qemu_fopen_ops(void *opaque, QEMUFilePutBufferFunc *put_buffer,
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                         QEMUFileGetBufferFunc *get_buffer,
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                         QEMUFileCloseFunc *close,
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                         QEMUFileRateLimit *rate_limit);
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QEMUFile *qemu_fopen(const char *filename, const char *mode);
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QEMUFile *qemu_fopen_fd(int fd);
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void qemu_fflush(QEMUFile *f);
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void qemu_fclose(QEMUFile *f);
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int qemu_fclose(QEMUFile *f);
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void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size);
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void qemu_put_byte(QEMUFile *f, int v);
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void qemu_put_be16(QEMUFile *f, unsigned int v);
......
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unsigned int qemu_get_be16(QEMUFile *f);
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unsigned int qemu_get_be32(QEMUFile *f);
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uint64_t qemu_get_be64(QEMUFile *f);
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int qemu_file_rate_limit(QEMUFile *f);
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/* Try to send any outstanding data.  This function is useful when output is
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 * halted due to rate limiting or EAGAIN errors occur as it can be used to
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 * resume output. */
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void qemu_file_put_notify(QEMUFile *f);
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static inline void qemu_put_be64s(QEMUFile *f, const uint64_t *pv)
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{

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