]>
Commit | Line | Data |
---|---|---|
701a8f76 PB |
1 | /* |
2 | * QEMU System Emulator | |
3 | * | |
4 | * Copyright (c) 2003-2008 Fabrice Bellard | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
23 | */ | |
175de524 | 24 | |
08a0aee1 JQ |
25 | #ifndef MIGRATION_QEMU_FILE_H |
26 | #define MIGRATION_QEMU_FILE_H | |
deb22f9a | 27 | |
dcaf446e | 28 | #include <zlib.h> |
6a0acfff | 29 | #include "exec/cpu-common.h" |
c6ad5be7 | 30 | #include "io/channel.h" |
dcaf446e | 31 | |
77ef2dc1 DB |
32 | QEMUFile *qemu_file_new_input(QIOChannel *ioc); |
33 | QEMUFile *qemu_file_new_output(QIOChannel *ioc); | |
701a8f76 | 34 | int qemu_fclose(QEMUFile *f); |
fbfa6404 | 35 | |
fbfa6404 | 36 | /* |
e9c0eed7 | 37 | * qemu_file_transferred: |
fbfa6404 | 38 | * |
e9c0eed7 JQ |
39 | * No flush is performed and the reported amount will include the size |
40 | * of any queued buffers, on top of the amount actually transferred. | |
fbfa6404 DB |
41 | * |
42 | * Returns: the total bytes transferred and queued | |
43 | */ | |
e9c0eed7 | 44 | uint64_t qemu_file_transferred(QEMUFile *f); |
fbfa6404 | 45 | |
6181ec24 OW |
46 | /* |
47 | * put_buffer without copying the buffer. | |
48 | * The buffer should be available till it is sent asynchronously. | |
49 | */ | |
53f09a10 PB |
50 | void qemu_put_buffer_async(QEMUFile *f, const uint8_t *buf, size_t size, |
51 | bool may_free); | |
701a8f76 | 52 | |
08a0aee1 | 53 | #include "migration/qemu-file-types.h" |
deb22f9a | 54 | |
394b9407 PB |
55 | size_t coroutine_mixed_fn qemu_peek_buffer(QEMUFile *f, uint8_t **buf, size_t size, size_t offset); |
56 | size_t coroutine_mixed_fn qemu_get_buffer_in_place(QEMUFile *f, uint8_t **buf, size_t size); | |
dcaf446e XG |
57 | ssize_t qemu_put_compression_data(QEMUFile *f, z_stream *stream, |
58 | const uint8_t *p, size_t size); | |
44f0eadc | 59 | int qemu_put_qemu_file(QEMUFile *f_des, QEMUFile *f_src); |
4024cc85 | 60 | bool qemu_file_buffer_empty(QEMUFile *file); |
9504fb51 | 61 | |
548f52ea DDAG |
62 | /* |
63 | * Note that you can only peek continuous bytes from where the current pointer | |
64 | * is; you aren't guaranteed to be able to peak to +n bytes unless you've | |
65 | * previously peeked +n-1. | |
66 | */ | |
394b9407 | 67 | int coroutine_mixed_fn qemu_peek_byte(QEMUFile *f, int offset); |
c961514f | 68 | void qemu_file_skip(QEMUFile *f, int size); |
60bb3c58 | 69 | int qemu_file_get_error_obj_any(QEMUFile *f1, QEMUFile *f2, Error **errp); |
3d661c8a | 70 | void qemu_file_set_error_obj(QEMUFile *f, int ret, Error *err); |
7aa6070d | 71 | int qemu_file_get_error_obj(QEMUFile *f, Error **errp); |
c961514f | 72 | void qemu_file_set_error(QEMUFile *f, int ret); |
e1a8c9b6 | 73 | int qemu_file_shutdown(QEMUFile *f); |
adc468e9 | 74 | QEMUFile *qemu_file_get_return_path(QEMUFile *f); |
be07a0ed | 75 | int qemu_fflush(QEMUFile *f); |
a800cd5c | 76 | void qemu_file_set_blocking(QEMUFile *f, bool block); |
c7a7db4b | 77 | int qemu_file_get_to_fd(QEMUFile *f, int fd, size_t size); |
701a8f76 | 78 | |
c6ad5be7 | 79 | QIOChannel *qemu_file_get_ioc(QEMUFile *file); |
08a0aee1 | 80 | |
701a8f76 | 81 | #endif |