542 lines
20 KiB
C
542 lines
20 KiB
C
/* Declarations for use by hardware emulation. */
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#ifndef QEMU_HW_H
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#define QEMU_HW_H
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#include "qemu-common.h"
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#if defined(TARGET_PHYS_ADDR_BITS) && !defined(NEED_CPU_H)
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#include "targphys.h"
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#include "poison.h"
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#include "cpu-common.h"
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#endif
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#include "ioport.h"
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#include "irq.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 int (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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/* Called to change the current bandwidth allocation. This function must return
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* the new actual bandwidth. It should be new_rate if everything goes ok, and
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* the old rate otherwise
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*/
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typedef size_t (QEMUFileSetRateLimit)(void *opaque, size_t new_rate);
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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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QEMUFileSetRateLimit *set_rate_limit);
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QEMUFile *qemu_fopen(const char *filename, const char *mode);
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QEMUFile *qemu_fdopen(int fd, const char *mode);
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QEMUFile *qemu_fopen_socket(int fd);
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QEMUFile *qemu_popen(FILE *popen_file, const char *mode);
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QEMUFile *qemu_popen_cmd(const char *command, const char *mode);
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int qemu_stdio_fd(QEMUFile *f);
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void qemu_fflush(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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static inline void qemu_put_ubyte(QEMUFile *f, unsigned int v)
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{
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qemu_put_byte(f, (int)v);
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}
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#define qemu_put_sbyte qemu_put_byte
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void qemu_put_be16(QEMUFile *f, unsigned int v);
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void qemu_put_be32(QEMUFile *f, unsigned int v);
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void qemu_put_be64(QEMUFile *f, uint64_t v);
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int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size);
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int qemu_get_byte(QEMUFile *f);
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static inline unsigned int qemu_get_ubyte(QEMUFile *f)
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{
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return (unsigned int)qemu_get_byte(f);
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}
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#define qemu_get_sbyte qemu_get_byte
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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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size_t qemu_file_set_rate_limit(QEMUFile *f, size_t new_rate);
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int qemu_file_has_error(QEMUFile *f);
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void qemu_file_set_error(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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qemu_put_be64(f, *pv);
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}
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static inline void qemu_put_be32s(QEMUFile *f, const uint32_t *pv)
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{
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qemu_put_be32(f, *pv);
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}
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static inline void qemu_put_be16s(QEMUFile *f, const uint16_t *pv)
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{
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qemu_put_be16(f, *pv);
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}
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static inline void qemu_put_8s(QEMUFile *f, const uint8_t *pv)
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{
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qemu_put_byte(f, *pv);
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}
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static inline void qemu_get_be64s(QEMUFile *f, uint64_t *pv)
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{
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*pv = qemu_get_be64(f);
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}
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static inline void qemu_get_be32s(QEMUFile *f, uint32_t *pv)
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{
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*pv = qemu_get_be32(f);
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}
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static inline void qemu_get_be16s(QEMUFile *f, uint16_t *pv)
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{
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*pv = qemu_get_be16(f);
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}
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static inline void qemu_get_8s(QEMUFile *f, uint8_t *pv)
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{
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*pv = qemu_get_byte(f);
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}
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// Signed versions for type safety
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static inline void qemu_put_sbuffer(QEMUFile *f, const int8_t *buf, int size)
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{
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qemu_put_buffer(f, (const uint8_t *)buf, size);
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}
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static inline void qemu_put_sbe16(QEMUFile *f, int v)
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{
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qemu_put_be16(f, (unsigned int)v);
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}
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static inline void qemu_put_sbe32(QEMUFile *f, int v)
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{
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qemu_put_be32(f, (unsigned int)v);
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}
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static inline void qemu_put_sbe64(QEMUFile *f, int64_t v)
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{
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qemu_put_be64(f, (uint64_t)v);
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}
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static inline size_t qemu_get_sbuffer(QEMUFile *f, int8_t *buf, int size)
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{
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return qemu_get_buffer(f, (uint8_t *)buf, size);
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}
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static inline int qemu_get_sbe16(QEMUFile *f)
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{
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return (int)qemu_get_be16(f);
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}
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static inline int qemu_get_sbe32(QEMUFile *f)
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{
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return (int)qemu_get_be32(f);
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}
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static inline int64_t qemu_get_sbe64(QEMUFile *f)
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{
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return (int64_t)qemu_get_be64(f);
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}
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static inline void qemu_put_s8s(QEMUFile *f, const int8_t *pv)
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{
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qemu_put_8s(f, (const uint8_t *)pv);
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}
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static inline void qemu_put_sbe16s(QEMUFile *f, const int16_t *pv)
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{
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qemu_put_be16s(f, (const uint16_t *)pv);
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}
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static inline void qemu_put_sbe32s(QEMUFile *f, const int32_t *pv)
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{
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qemu_put_be32s(f, (const uint32_t *)pv);
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}
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static inline void qemu_put_sbe64s(QEMUFile *f, const int64_t *pv)
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{
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qemu_put_be64s(f, (const uint64_t *)pv);
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}
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static inline void qemu_get_s8s(QEMUFile *f, int8_t *pv)
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{
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qemu_get_8s(f, (uint8_t *)pv);
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}
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static inline void qemu_get_sbe16s(QEMUFile *f, int16_t *pv)
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{
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qemu_get_be16s(f, (uint16_t *)pv);
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}
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static inline void qemu_get_sbe32s(QEMUFile *f, int32_t *pv)
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{
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qemu_get_be32s(f, (uint32_t *)pv);
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}
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static inline void qemu_get_sbe64s(QEMUFile *f, int64_t *pv)
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{
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qemu_get_be64s(f, (uint64_t *)pv);
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}
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#ifdef NEED_CPU_H
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#if TARGET_LONG_BITS == 64
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#define qemu_put_betl qemu_put_be64
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#define qemu_get_betl qemu_get_be64
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#define qemu_put_betls qemu_put_be64s
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#define qemu_get_betls qemu_get_be64s
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#define qemu_put_sbetl qemu_put_sbe64
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#define qemu_get_sbetl qemu_get_sbe64
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#define qemu_put_sbetls qemu_put_sbe64s
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#define qemu_get_sbetls qemu_get_sbe64s
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#else
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#define qemu_put_betl qemu_put_be32
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#define qemu_get_betl qemu_get_be32
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#define qemu_put_betls qemu_put_be32s
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#define qemu_get_betls qemu_get_be32s
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#define qemu_put_sbetl qemu_put_sbe32
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#define qemu_get_sbetl qemu_get_sbe32
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#define qemu_put_sbetls qemu_put_sbe32s
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#define qemu_get_sbetls qemu_get_sbe32s
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#endif
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#endif
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int64_t qemu_ftell(QEMUFile *f);
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int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence);
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typedef void SaveStateHandler(QEMUFile *f, void *opaque);
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typedef int SaveLiveStateHandler(QEMUFile *f, int stage, void *opaque);
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typedef int LoadStateHandler(QEMUFile *f, void *opaque, int version_id);
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int register_savevm(const char *idstr,
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int instance_id,
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int version_id,
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SaveStateHandler *save_state,
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LoadStateHandler *load_state,
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void *opaque);
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int register_savevm_live(const char *idstr,
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int instance_id,
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int version_id,
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SaveLiveStateHandler *save_live_state,
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SaveStateHandler *save_state,
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LoadStateHandler *load_state,
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void *opaque);
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void unregister_savevm(const char *idstr, void *opaque);
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typedef void QEMUResetHandler(void *opaque);
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void qemu_register_reset(QEMUResetHandler *func, void *opaque);
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void qemu_unregister_reset(QEMUResetHandler *func, void *opaque);
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/* handler to set the boot_device order for a specific type of QEMUMachine */
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/* return 0 if success */
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typedef int QEMUBootSetHandler(void *opaque, const char *boot_devices);
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void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque);
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int qemu_boot_set(const char *boot_devices);
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typedef struct VMStateInfo VMStateInfo;
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typedef struct VMStateDescription VMStateDescription;
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struct VMStateInfo {
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const char *name;
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int (*get)(QEMUFile *f, void *pv, size_t size);
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void (*put)(QEMUFile *f, void *pv, size_t size);
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};
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enum VMStateFlags {
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VMS_SINGLE = 0x001,
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VMS_POINTER = 0x002,
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VMS_ARRAY = 0x004,
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VMS_STRUCT = 0x008,
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VMS_VARRAY = 0x010, /* Array with size in another field */
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VMS_BUFFER = 0x020, /* static sized buffer */
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};
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typedef struct {
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const char *name;
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size_t offset;
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size_t size;
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int num;
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size_t num_offset;
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const VMStateInfo *info;
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enum VMStateFlags flags;
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const VMStateDescription *vmsd;
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int version_id;
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} VMStateField;
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struct VMStateDescription {
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const char *name;
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int version_id;
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int minimum_version_id;
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int minimum_version_id_old;
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LoadStateHandler *load_state_old;
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int (*pre_load)(void *opaque);
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int (*post_load)(void *opaque, int version_id);
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void (*pre_save)(const void *opaque);
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void (*post_save)(const void *opaque);
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VMStateField *fields;
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};
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extern const VMStateInfo vmstate_info_int8;
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extern const VMStateInfo vmstate_info_int16;
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extern const VMStateInfo vmstate_info_int32;
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extern const VMStateInfo vmstate_info_int64;
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extern const VMStateInfo vmstate_info_uint8_equal;
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extern const VMStateInfo vmstate_info_int32_equal;
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extern const VMStateInfo vmstate_info_int32_le;
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extern const VMStateInfo vmstate_info_uint8;
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extern const VMStateInfo vmstate_info_uint16;
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extern const VMStateInfo vmstate_info_uint32;
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extern const VMStateInfo vmstate_info_uint64;
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extern const VMStateInfo vmstate_info_timer;
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extern const VMStateInfo vmstate_info_ptimer;
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extern const VMStateInfo vmstate_info_buffer;
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#define type_check_array(t1,t2,n) ((t1(*)[n])0 - (t2*)0)
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#define type_check_pointer(t1,t2) ((t1**)0 - (t2*)0)
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#define VMSTATE_SINGLE(_field, _state, _version, _info, _type) { \
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.name = (stringify(_field)), \
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.version_id = (_version), \
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.size = sizeof(_type), \
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.info = &(_info), \
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.flags = VMS_SINGLE, \
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.offset = offsetof(_state, _field) \
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+ type_check(_type,typeof_field(_state, _field)) \
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}
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#define VMSTATE_POINTER(_field, _state, _version, _info, _type) { \
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.name = (stringify(_field)), \
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.version_id = (_version), \
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.info = &(_info), \
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.size = sizeof(_type), \
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.flags = VMS_SINGLE|VMS_POINTER, \
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.offset = offsetof(_state, _field) \
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+ type_check(_type,typeof_field(_state, _field)) \
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}
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#define VMSTATE_ARRAY(_field, _state, _num, _version, _info, _type) {\
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.name = (stringify(_field)), \
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.version_id = (_version), \
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.num = (_num), \
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.info = &(_info), \
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.size = sizeof(_type), \
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.flags = VMS_ARRAY, \
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.offset = offsetof(_state, _field) \
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+ type_check_array(_type,typeof_field(_state, _field),_num) \
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}
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#define VMSTATE_VARRAY(_field, _state, _field_num, _version, _info, _type) {\
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.name = (stringify(_field)), \
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.version_id = (_version), \
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.num_offset = offsetof(_state, _field_num) \
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+ type_check(int32_t,typeof_field(_state, _field_num)), \
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.info = &(_info), \
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.size = sizeof(_type), \
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.flags = VMS_VARRAY|VMS_POINTER, \
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.offset = offsetof(_state, _field) \
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+ type_check_pointer(_type,typeof_field(_state, _field)) \
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}
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#define VMSTATE_STRUCT(_field, _state, _version, _vmsd, _type) { \
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.name = (stringify(_field)), \
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.version_id = (_version), \
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.vmsd = &(_vmsd), \
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.size = sizeof(_type), \
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.flags = VMS_STRUCT, \
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.offset = offsetof(_state, _field) \
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+ type_check(_type,typeof_field(_state, _field)) \
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}
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#define VMSTATE_STRUCT_ARRAY(_field, _state, _num, _version, _vmsd, _type) { \
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.name = (stringify(_field)), \
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.num = (_num), \
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.version_id = (_version), \
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.vmsd = &(_vmsd), \
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.size = sizeof(_type), \
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.flags = VMS_STRUCT|VMS_ARRAY, \
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.offset = offsetof(_state, _field) \
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+ type_check_array(_type,typeof_field(_state, _field),_num) \
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}
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#define VMSTATE_STATIC_BUFFER(_field, _state, _version) { \
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.name = (stringify(_field)), \
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.version_id = (_version), \
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.size = sizeof(typeof_field(_state,_field)), \
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.info = &vmstate_info_buffer, \
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.flags = VMS_BUFFER, \
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.offset = offsetof(_state, _field) \
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+ type_check_array(uint8_t,typeof_field(_state, _field),sizeof(typeof_field(_state,_field))) \
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}
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#define VMSTATE_BUFFER_START_MIDDLE(_field, _state, start) { \
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.name = (stringify(_field)), \
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.size = sizeof(typeof_field(_state,_field)) - start, \
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.info = &vmstate_info_buffer, \
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.flags = VMS_BUFFER, \
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.offset = offsetof(_state, _field) + start \
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+ type_check_array(uint8_t,typeof_field(_state, _field),sizeof(typeof_field(_state,_field))) \
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}
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extern const VMStateDescription vmstate_pci_device;
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#define VMSTATE_PCI_DEVICE(_field, _state) { \
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.name = (stringify(_field)), \
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.size = sizeof(PCIDevice), \
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.vmsd = &vmstate_pci_device, \
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.flags = VMS_STRUCT, \
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.offset = offsetof(_state, _field) \
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+ type_check(PCIDevice,typeof_field(_state, _field)) \
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}
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/* _f : field name
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_f_n : num of elements field_name
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_n : num of elements
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_s : struct state name
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_v : version
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*/
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#define VMSTATE_INT8_V(_f, _s, _v) \
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VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int8, int8_t)
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#define VMSTATE_INT16_V(_f, _s, _v) \
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VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int16, int16_t)
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#define VMSTATE_INT32_V(_f, _s, _v) \
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VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int32, int32_t)
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#define VMSTATE_INT64_V(_f, _s, _v) \
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VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int64, int64_t)
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#define VMSTATE_UINT8_V(_f, _s, _v) \
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VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint8, uint8_t)
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#define VMSTATE_UINT16_V(_f, _s, _v) \
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VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16, uint16_t)
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#define VMSTATE_UINT32_V(_f, _s, _v) \
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VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32, uint32_t)
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#define VMSTATE_UINT64_V(_f, _s, _v) \
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VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64, uint64_t)
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#define VMSTATE_INT8(_f, _s) \
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VMSTATE_INT8_V(_f, _s, 0)
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#define VMSTATE_INT16(_f, _s) \
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VMSTATE_INT16_V(_f, _s, 0)
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#define VMSTATE_INT32(_f, _s) \
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VMSTATE_INT32_V(_f, _s, 0)
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#define VMSTATE_INT64(_f, _s) \
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VMSTATE_INT64_V(_f, _s, 0)
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#define VMSTATE_UINT8(_f, _s) \
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VMSTATE_UINT8_V(_f, _s, 0)
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#define VMSTATE_UINT16(_f, _s) \
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VMSTATE_UINT16_V(_f, _s, 0)
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#define VMSTATE_UINT32(_f, _s) \
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VMSTATE_UINT32_V(_f, _s, 0)
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#define VMSTATE_UINT64(_f, _s) \
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VMSTATE_UINT64_V(_f, _s, 0)
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#define VMSTATE_UINT8_EQUAL(_f, _s) \
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VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint8_equal, uint8_t)
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#define VMSTATE_INT32_EQUAL(_f, _s) \
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VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_equal, int32_t)
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#define VMSTATE_INT32_LE(_f, _s) \
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VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_le, int32_t)
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#define VMSTATE_TIMER_V(_f, _s, _v) \
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VMSTATE_POINTER(_f, _s, _v, vmstate_info_timer, QEMUTimer *)
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#define VMSTATE_TIMER(_f, _s) \
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VMSTATE_TIMER_V(_f, _s, 0)
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#define VMSTATE_PTIMER_V(_f, _s, _v) \
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VMSTATE_POINTER(_f, _s, _v, vmstate_info_ptimer, ptimer_state *)
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#define VMSTATE_PTIMER(_f, _s) \
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VMSTATE_PTIMER_V(_f, _s, 0)
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#define VMSTATE_UINT16_ARRAY_V(_f, _s, _n, _v) \
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VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint16, uint16_t)
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#define VMSTATE_UINT16_ARRAY(_f, _s, _n) \
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VMSTATE_UINT16_ARRAY_V(_f, _s, _n, 0)
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#define VMSTATE_UINT32_ARRAY_V(_f, _s, _n, _v) \
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VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint32, uint32_t)
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#define VMSTATE_UINT32_ARRAY(_f, _s, _n) \
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VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0)
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#define VMSTATE_UINT64_ARRAY_V(_f, _s, _n, _v) \
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VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint64, uint64_t)
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#define VMSTATE_UINT64_ARRAY(_f, _s, _n) \
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VMSTATE_UINT64_ARRAY_V(_f, _s, _n, 0)
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#define VMSTATE_INT32_ARRAY_V(_f, _s, _n, _v) \
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VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int32, int32_t)
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#define VMSTATE_INT32_ARRAY(_f, _s, _n) \
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VMSTATE_INT32_ARRAY_V(_f, _s, _n, 0)
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#define VMSTATE_INT32_VARRAY_V(_f, _s, _f_n, _v) \
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VMSTATE_VARRAY(_f, _s, _f_n, _v, vmstate_info_int32, int32_t)
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#define VMSTATE_INT32_VARRAY(_f, _s, _f_n) \
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VMSTATE_INT32_VARRAY_V(_f, _s, _f_n, 0)
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#define VMSTATE_BUFFER_V(_f, _s, _v) \
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VMSTATE_STATIC_BUFFER(_f, _s, _v)
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#define VMSTATE_BUFFER(_f, _s) \
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VMSTATE_STATIC_BUFFER(_f, _s, 0)
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#define VMSTATE_END_OF_LIST() \
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{}
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extern int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
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void *opaque, int version_id);
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extern void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,
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void *opaque);
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extern int vmstate_register(int instance_id, const VMStateDescription *vmsd,
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void *base);
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void vmstate_unregister(const VMStateDescription *vmsd, void *opaque);
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#endif
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