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Diffstat (limited to 'contrib/qemu/include/migration/qemu-file.h')
| -rw-r--r-- | contrib/qemu/include/migration/qemu-file.h | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/contrib/qemu/include/migration/qemu-file.h b/contrib/qemu/include/migration/qemu-file.h deleted file mode 100644 index 0f757fbeb63..00000000000 --- a/contrib/qemu/include/migration/qemu-file.h +++ /dev/null @@ -1,266 +0,0 @@ -/* - * QEMU System Emulator - * - * Copyright (c) 2003-2008 Fabrice Bellard - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -#ifndef QEMU_FILE_H -#define QEMU_FILE_H 1 -#include "exec/cpu-common.h" - -/* 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 - * - * Return negative error number on error, 0 or positive value on success. - * - * The meaning of return value on success depends on the specific back-end being - * used. - */ -typedef int (QEMUFileCloseFunc)(void *opaque); - -/* Called to return the OS file descriptor associated to the QEMUFile. - */ -typedef int (QEMUFileGetFD)(void *opaque); - -/* - * This function writes an iovec to file. - */ -typedef ssize_t (QEMUFileWritevBufferFunc)(void *opaque, struct iovec *iov, - int iovcnt, int64_t pos); - -/* - * This function provides hooks around different - * stages of RAM migration. - */ -typedef int (QEMURamHookFunc)(QEMUFile *f, void *opaque, uint64_t flags); - -/* - * Constants used by ram_control_* hooks - */ -#define RAM_CONTROL_SETUP 0 -#define RAM_CONTROL_ROUND 1 -#define RAM_CONTROL_HOOK 2 -#define RAM_CONTROL_FINISH 3 - -/* - * This function allows override of where the RAM page - * is saved (such as RDMA, for example.) - */ -typedef size_t (QEMURamSaveFunc)(QEMUFile *f, void *opaque, - ram_addr_t block_offset, - ram_addr_t offset, - size_t size, - int *bytes_sent); - -typedef struct QEMUFileOps { - QEMUFilePutBufferFunc *put_buffer; - QEMUFileGetBufferFunc *get_buffer; - QEMUFileCloseFunc *close; - QEMUFileGetFD *get_fd; - QEMUFileWritevBufferFunc *writev_buffer; - QEMURamHookFunc *before_ram_iterate; - QEMURamHookFunc *after_ram_iterate; - QEMURamHookFunc *hook_ram_load; - QEMURamSaveFunc *save_page; -} QEMUFileOps; - -QEMUFile *qemu_fopen_ops(void *opaque, const QEMUFileOps *ops); -QEMUFile *qemu_fopen(const char *filename, const char *mode); -QEMUFile *qemu_fdopen(int fd, const char *mode); -QEMUFile *qemu_fopen_socket(int fd, const char *mode); -QEMUFile *qemu_popen_cmd(const char *command, const char *mode); -int qemu_get_fd(QEMUFile *f); -int qemu_fclose(QEMUFile *f); -int64_t qemu_ftell(QEMUFile *f); -void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size); -void qemu_put_byte(QEMUFile *f, int v); -/* - * put_buffer without copying the buffer. - * The buffer should be available till it is sent asynchronously. - */ -void qemu_put_buffer_async(QEMUFile *f, const uint8_t *buf, int size); -bool qemu_file_mode_is_not_valid(const char *mode); - -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); -void qemu_update_position(QEMUFile *f, size_t size); - -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); -void qemu_file_reset_rate_limit(QEMUFile *f); -void qemu_file_set_rate_limit(QEMUFile *f, int64_t new_rate); -int64_t qemu_file_get_rate_limit(QEMUFile *f); -int qemu_file_get_error(QEMUFile *f); -void qemu_fflush(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); -} -#endif |