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migration: Create migration/blocker.h

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This allows us to remove lots of includes of migration/migration.h

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Juan Quintela
2017-04-06 12:00:28 +02:00
parent bb890ed551
commit 795c40b8bd
20 changed files with 53 additions and 35 deletions
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35
include/migration/blocker.h Normal file
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@ -0,0 +1,35 @@
/*
* QEMU migration blockers
*
* Copyright IBM, Corp. 2008
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.com>
*
* This work is licensed under the terms of the GNU GPL, version 2. See
* the COPYING file in the top-level directory.
*
*/
#ifndef MIGRATION_BLOCKER_H
#define MIGRATION_BLOCKER_H
/**
* @migrate_add_blocker - prevent migration from proceeding
*
* @reason - an error to be returned whenever migration is attempted
*
* @errp - [out] The reason (if any) we cannot block migration right now.
*
* @returns - 0 on success, -EBUSY/-EACCES on failure, with errp set.
*/
int migrate_add_blocker(Error *reason, Error **errp);
/**
* @migrate_del_blocker - remove a blocking error from migration
*
* @reason - the error blocking migration
*/
void migrate_del_blocker(Error *reason);
#endif

18
include/migration/migration.h
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@ -275,24 +275,6 @@ int ram_discard_range(const char *block_name, uint64_t start, size_t length);
int ram_postcopy_incoming_init(MigrationIncomingState *mis);
void ram_postcopy_migrated_memory_release(MigrationState *ms);
/**
* @migrate_add_blocker - prevent migration from proceeding
*
* @reason - an error to be returned whenever migration is attempted
*
* @errp - [out] The reason (if any) we cannot block migration right now.
*
* @returns - 0 on success, -EBUSY/-EACCES on failure, with errp set.
*/
int migrate_add_blocker(Error *reason, Error **errp);
/**
* @migrate_del_blocker - remove a blocking error from migration
*
* @reason - the error blocking migration
*/
void migrate_del_blocker(Error *reason);
int check_migratable(Object *obj, Error **err);
bool migrate_release_ram(void);