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/*
* Copyright (c) 2021, 2024 Oracle and/or its affiliates.
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#ifndef MIGRATION_CPR_H
#define MIGRATION_CPR_H
#include "qapi/qapi-types-migration.h"
#include "qemu/queue.h"
#define MIG_MODE_NONE -1
#define QEMU_CPR_FILE_MAGIC 0x51435052
#define QEMU_CPR_FILE_VERSION 0x00000001
#define CPR_STATE "CprState"
typedef QLIST_HEAD(CprFdList, CprFd) CprFdList;
typedef QLIST_HEAD(CprVFIODeviceList, CprVFIODevice) CprVFIODeviceList;
typedef struct CprState {
CprFdList fds;
CprVFIODeviceList vfio_devices;
} CprState;
extern CprState cpr_state;
void cpr_save_fd(const char *name, int id, int fd);
void cpr_delete_fd(const char *name, int id);
int cpr_find_fd(const char *name, int id);
void cpr_resave_fd(const char *name, int id, int fd);
int cpr_open_fd(const char *path, int flags, const char *name, int id,
Error **errp);
MigMode cpr_get_incoming_mode(void);
void cpr_set_incoming_mode(MigMode mode);
bool cpr_is_incoming(void);
int cpr_state_save(MigrationChannel *channel, Error **errp);
int cpr_state_load(MigrationChannel *channel, Error **errp);
void cpr_state_close(void);
struct QIOChannel *cpr_state_ioc(void);
bool cpr_incoming_needed(void *opaque);
int cpr_get_fd_param(const char *name, const char *fdname, int index,
Error **errp);
QEMUFile *cpr_transfer_output(MigrationChannel *channel, Error **errp);
QEMUFile *cpr_transfer_input(MigrationChannel *channel, Error **errp);
#endif
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