| 1 | /* |
| 2 | * QEMU live migration channel operations |
| 3 | * |
| 4 | * Copyright Red Hat, Inc. 2016 |
| 5 | * |
| 6 | * Authors: |
| 7 | * Daniel P. Berrange <berrange@redhat.com> |
| 8 | * |
| 9 | * This work is licensed under the terms of the GNU GPL, version 2. See |
| 10 | * the COPYING file in the top-level directory. |
| 11 | * |
| 12 | * Contributions after 2012-01-13 are licensed under the terms of the |
| 13 | * GNU GPL, version 2 or (at your option) any later version. |
| 14 | */ |
| 15 | |
| 16 | #ifndef QEMU_MIGRATION_CHANNEL_H |
| 17 | #define QEMU_MIGRATION_CHANNEL_H |
| 18 | |
| 19 | #include "io/channel.h" |
| 20 | #include "qapi/qapi-types-migration.h" |
| 21 | |
| 22 | /* Migration channel types */ |
| 23 | typedef enum { |
| 24 | CH_NONE, |
| 25 | CH_MAIN, |
| 26 | CH_MULTIFD, |
| 27 | CH_POSTCOPY |
| 28 | } MigChannelType; |
| 29 | |
| 30 | void migration_channel_process_incoming(QIOChannel *ioc); |
| 31 | |
| 32 | void migration_channel_connect_outgoing(MigrationState *s, QIOChannel *ioc); |
| 33 | |
| 34 | int migration_channel_read_peek(QIOChannel *ioc, |
| 35 | const char *buf, |
| 36 | const size_t buflen, |
| 37 | Error **errp); |
| 38 | |
| 39 | bool migration_has_main_and_multifd_channels(void); |
| 40 | bool migration_has_all_channels(void); |
| 41 | |
| 42 | void migration_connect_outgoing(MigrationState *s, MigrationAddress *addr, |
| 43 | Error **errp); |
| 44 | void migration_connect_incoming(MigrationAddress *addr, Error **errp); |
| 45 | |
| 46 | bool migration_channel_parse_input(const char *uri, |
| 47 | MigrationChannelList *channels, |
| 48 | MigrationChannel **main_channelp, |
| 49 | MigrationChannel **cpr_channelp, |
| 50 | Error **errp); |
| 51 | #endif |