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| author | Wei Wang | 2018-12-11 09:24:51 +0100 |
|---|---|---|
| committer | Dr. David Alan Gilbert | 2019-03-06 11:49:18 +0100 |
| commit | bd2270608fa0112108aafcba89b87282c68db741 (patch) | |
| tree | 979a6b79d0f1a56f6fe6a134d77a6f5bf6acd312 /include/migration | |
| parent | migration: API to clear bits of guest free pages from the dirty bitmap (diff) | |
| download | qemu-bd2270608fa0112108aafcba89b87282c68db741.tar.gz qemu-bd2270608fa0112108aafcba89b87282c68db741.tar.xz qemu-bd2270608fa0112108aafcba89b87282c68db741.zip | |
migration/ram.c: add a notifier chain for precopy
This patch adds a notifier chain for the memory precopy. This enables various
precopy optimizations to be invoked at specific places.
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: <1544516693-5395-6-git-send-email-wei.w.wang@intel.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Diffstat (limited to 'include/migration')
| -rw-r--r-- | include/migration/misc.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/migration/misc.h b/include/migration/misc.h index 81ee347e35..dc46d3354f 100644 --- a/include/migration/misc.h +++ b/include/migration/misc.h @@ -20,6 +20,25 @@ /* migration/ram.c */ +typedef enum PrecopyNotifyReason { + PRECOPY_NOTIFY_SETUP = 0, + PRECOPY_NOTIFY_BEFORE_BITMAP_SYNC = 1, + PRECOPY_NOTIFY_AFTER_BITMAP_SYNC = 2, + PRECOPY_NOTIFY_COMPLETE = 3, + PRECOPY_NOTIFY_CLEANUP = 4, + PRECOPY_NOTIFY_MAX = 5, +} PrecopyNotifyReason; + +typedef struct PrecopyNotifyData { + enum PrecopyNotifyReason reason; + Error **errp; +} PrecopyNotifyData; + +void precopy_infrastructure_init(void); +void precopy_add_notifier(NotifierWithReturn *n); +void precopy_remove_notifier(NotifierWithReturn *n); +int precopy_notify(PrecopyNotifyReason reason, Error **errp); + void ram_mig_init(void); void qemu_guest_free_page_hint(void *addr, size_t len); |