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| author | Orit Wasserman <owasserm@redhat.com> | 2012-08-06 21:42:53 +0300 |
|---|---|---|
| committer | Juan Quintela <quintela@redhat.com> | 2012-08-08 13:51:12 +0200 |
| commit | 17ad9b358bceba78ae80f2963c6036eab726010c (patch) | |
| tree | 91c6a43d53a8f93e845b82a58372f64c7e95308e /migration.h | |
| parent | 302dfbeb21fc5154c24ca50d296e865a3778c7da (diff) | |
| download | qemu-17ad9b358bceba78ae80f2963c6036eab726010c.zip qemu-17ad9b358bceba78ae80f2963c6036eab726010c.tar.gz qemu-17ad9b358bceba78ae80f2963c6036eab726010c.tar.bz2 | |
Add XBZRLE to ram_save_block and ram_save_live
In the outgoing migration check to see if the page is cached and
changed, then send compressed page by using save_xbrle_page function.
In the incoming migration check to see if RAM_SAVE_FLAG_XBZRLE is set
and decompress the page (by using load_xbrle function).
Signed-off-by: Benoit Hudzia <benoit.hudzia@sap.com>
Signed-off-by: Petter Svard <petters@cs.umu.se>
Signed-off-by: Aidan Shribman <aidan.shribman@sap.com>
Signed-off-by: Orit Wasserman <owasserm@redhat.com>
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Diffstat (limited to 'migration.h')
| -rw-r--r-- | migration.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/migration.h b/migration.h index 743c366..cdf6787 100644 --- a/migration.h +++ b/migration.h @@ -41,6 +41,7 @@ struct MigrationState MigrationParams params; int64_t total_time; bool enabled_capabilities[MIGRATION_CAPABILITY_MAX]; + int64_t xbzrle_cache_size; }; void process_incoming_migration(QEMUFile *f); @@ -104,4 +105,7 @@ int xbzrle_encode_buffer(uint8_t *old_buf, uint8_t *new_buf, int slen, uint8_t *dst, int dlen); int xbzrle_decode_buffer(uint8_t *src, int slen, uint8_t *dst, int dlen); +int migrate_use_xbzrle(void); +int64_t migrate_xbzrle_cache_size(void); + #endif |