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This patch adds an API to clear bits corresponding to guest free pages from the dirty bitmap. Spilt the free page block if it crosses the QEMU RAMBlock boundary. Signed-off-by: Wei Wang <wei.w.wang@intel.com> CC: Dr. David Alan Gilbert <dgilbert@redhat.com> CC: Juan Quintela <quintela@redhat.com> CC: Michael S. Tsirkin <mst@redhat.com> CC: Peter Xu <peterx@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Message-Id: <1544516693-5395-5-git-send-email-wei.w.wang@intel.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
/*
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* QEMU migration miscellaneus exported functions
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*
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* Copyright IBM, Corp. 2008
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*
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* Authors:
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* Anthony Liguori <aliguori@us.ibm.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2. See
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* the COPYING file in the top-level directory.
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*
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*/
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#ifndef MIGRATION_MISC_H
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#define MIGRATION_MISC_H
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#include "exec/cpu-common.h"
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#include "qemu/notify.h"
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#include "qapi/qapi-types-net.h"
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/* migration/ram.c */
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void ram_mig_init(void);
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void qemu_guest_free_page_hint(void *addr, size_t len);
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/* migration/block.c */
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#ifdef CONFIG_LIVE_BLOCK_MIGRATION
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void blk_mig_init(void);
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#else
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static inline void blk_mig_init(void) {}
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#endif
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AnnounceParameters *migrate_announce_params(void);
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/* migration/savevm.c */
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void dump_vmstate_json_to_file(FILE *out_fp);
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/* migration/migration.c */
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void migration_object_init(void);
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void migration_shutdown(void);
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void qemu_start_incoming_migration(const char *uri, Error **errp);
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bool migration_is_idle(void);
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void add_migration_state_change_notifier(Notifier *notify);
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void remove_migration_state_change_notifier(Notifier *notify);
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bool migration_in_setup(MigrationState *);
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bool migration_has_finished(MigrationState *);
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bool migration_has_failed(MigrationState *);
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/* ...and after the device transmission */
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bool migration_in_postcopy_after_devices(MigrationState *);
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void migration_global_dump(Monitor *mon);
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/* migration/block-dirty-bitmap.c */
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void dirty_bitmap_mig_init(void);
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#endif
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