10cb3336b1
Reviewed-by: Peter Xu <peterx@redhat.com> Reviewed-by: Li Zhijian <lizhijian@fujitsu.com> Signed-off-by: Juan Quintela <quintela@redhat.com> Message-ID: <20231011203527.9061-9-quintela@redhat.com>
100 lines
3.6 KiB
C
100 lines
3.6 KiB
C
/*
|
|
* 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 MIGRATION_QEMU_FILE_H
|
|
#define MIGRATION_QEMU_FILE_H
|
|
|
|
#include <zlib.h>
|
|
#include "exec/cpu-common.h"
|
|
#include "io/channel.h"
|
|
|
|
QEMUFile *qemu_file_new_input(QIOChannel *ioc);
|
|
QEMUFile *qemu_file_new_output(QIOChannel *ioc);
|
|
int qemu_fclose(QEMUFile *f);
|
|
|
|
/*
|
|
* qemu_file_transferred:
|
|
*
|
|
* Report the total number of bytes transferred with
|
|
* this file.
|
|
*
|
|
* For writable files, any pending buffers will be
|
|
* flushed, so the reported value will be equal to
|
|
* the number of bytes transferred on the wire.
|
|
*
|
|
* For readable files, the reported value will be
|
|
* equal to the number of bytes transferred on the
|
|
* wire.
|
|
*
|
|
* Returns: the total bytes transferred
|
|
*/
|
|
uint64_t qemu_file_transferred(QEMUFile *f);
|
|
|
|
/*
|
|
* qemu_file_transferred_noflush:
|
|
*
|
|
* As qemu_file_transferred except for writable files, where no flush
|
|
* is performed and the reported amount will include the size of any
|
|
* queued buffers, on top of the amount actually transferred.
|
|
*
|
|
* Returns: the total bytes transferred and queued
|
|
*/
|
|
uint64_t qemu_file_transferred_noflush(QEMUFile *f);
|
|
|
|
/*
|
|
* 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, size_t size,
|
|
bool may_free);
|
|
|
|
#include "migration/qemu-file-types.h"
|
|
|
|
size_t coroutine_mixed_fn qemu_peek_buffer(QEMUFile *f, uint8_t **buf, size_t size, size_t offset);
|
|
size_t coroutine_mixed_fn qemu_get_buffer_in_place(QEMUFile *f, uint8_t **buf, size_t size);
|
|
ssize_t qemu_put_compression_data(QEMUFile *f, z_stream *stream,
|
|
const uint8_t *p, size_t size);
|
|
int qemu_put_qemu_file(QEMUFile *f_des, QEMUFile *f_src);
|
|
bool qemu_file_buffer_empty(QEMUFile *file);
|
|
|
|
/*
|
|
* Note that you can only peek continuous bytes from where the current pointer
|
|
* is; you aren't guaranteed to be able to peak to +n bytes unless you've
|
|
* previously peeked +n-1.
|
|
*/
|
|
int coroutine_mixed_fn qemu_peek_byte(QEMUFile *f, int offset);
|
|
void qemu_file_skip(QEMUFile *f, int size);
|
|
int qemu_file_get_error_obj_any(QEMUFile *f1, QEMUFile *f2, Error **errp);
|
|
void qemu_file_set_error_obj(QEMUFile *f, int ret, Error *err);
|
|
void qemu_file_set_error(QEMUFile *f, int ret);
|
|
int qemu_file_shutdown(QEMUFile *f);
|
|
QEMUFile *qemu_file_get_return_path(QEMUFile *f);
|
|
void qemu_fflush(QEMUFile *f);
|
|
void qemu_file_set_blocking(QEMUFile *f, bool block);
|
|
int qemu_file_get_to_fd(QEMUFile *f, int fd, size_t size);
|
|
|
|
QIOChannel *qemu_file_get_ioc(QEMUFile *file);
|
|
|
|
#endif
|