diff options
Diffstat (limited to 'include/migration/qemu-file.h')
| -rw-r--r-- | include/migration/qemu-file.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/migration/qemu-file.h b/include/migration/qemu-file.h index df812617f8..623c434b15 100644 --- a/include/migration/qemu-file.h +++ b/include/migration/qemu-file.h @@ -51,11 +51,18 @@ typedef int (QEMUFileCloseFunc)(void *opaque); */ typedef int (QEMUFileGetFD)(void *opaque); +/* + * This function writes an iovec to file. + */ +typedef ssize_t (QEMUFileWritevBufferFunc)(void *opaque, struct iovec *iov, + int iovcnt); + typedef struct QEMUFileOps { QEMUFilePutBufferFunc *put_buffer; QEMUFileGetBufferFunc *get_buffer; QEMUFileCloseFunc *close; QEMUFileGetFD *get_fd; + QEMUFileWritevBufferFunc *writev_buffer; } QEMUFileOps; QEMUFile *qemu_fopen_ops(void *opaque, const QEMUFileOps *ops); @@ -68,6 +75,11 @@ 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); static inline void qemu_put_ubyte(QEMUFile *f, unsigned int v) { |