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Add the cpr_incoming_needed, cpr_open_fd, and cpr_resave_fd helpers, for use when adding cpr support for vfio and iommufd. Signed-off-by: Steve Sistare <steven.sistare@oracle.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Link: https://lore.kernel.org/qemu-devel/1749569991-25171-2-git-send-email-steven.sistare@oracle.com Signed-off-by: Cédric Le Goater <clg@redhat.com>
39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
/*
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* Copyright (c) 2021, 2024 Oracle and/or its affiliates.
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#ifndef MIGRATION_CPR_H
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#define MIGRATION_CPR_H
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#include "qapi/qapi-types-migration.h"
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#define MIG_MODE_NONE -1
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#define QEMU_CPR_FILE_MAGIC 0x51435052
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#define QEMU_CPR_FILE_VERSION 0x00000001
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void cpr_save_fd(const char *name, int id, int fd);
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void cpr_delete_fd(const char *name, int id);
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int cpr_find_fd(const char *name, int id);
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void cpr_resave_fd(const char *name, int id, int fd);
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int cpr_open_fd(const char *path, int flags, const char *name, int id,
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Error **errp);
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MigMode cpr_get_incoming_mode(void);
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void cpr_set_incoming_mode(MigMode mode);
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bool cpr_is_incoming(void);
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int cpr_state_save(MigrationChannel *channel, Error **errp);
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int cpr_state_load(MigrationChannel *channel, Error **errp);
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void cpr_state_close(void);
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struct QIOChannel *cpr_state_ioc(void);
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bool cpr_incoming_needed(void *opaque);
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QEMUFile *cpr_transfer_output(MigrationChannel *channel, Error **errp);
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QEMUFile *cpr_transfer_input(MigrationChannel *channel, Error **errp);
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#endif
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