migration/block.h

   1 /*
   2  * QEMU live block migration
   3  *
   4  * Copyright IBM, Corp. 2009
   5  *
   6  * Authors:
   7  *  Liran Schour   <lirans@il.ibm.com>
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2.  See
  10  * the COPYING file in the top-level directory.
  11  *
  12  */
  13
  14 #ifndef MIGRATION_BLOCK_H
  15 #define MIGRATION_BLOCK_H
  16
  17 #ifdef CONFIG_LIVE_BLOCK_MIGRATION
  18 int blk_mig_active(void);
  19 int blk_mig_bulk_active(void);
  20 uint64_t blk_mig_bytes_transferred(void);
  21 uint64_t blk_mig_bytes_remaining(void);
  22 uint64_t blk_mig_bytes_total(void);
  23
  24 #else
  25 static inline int blk_mig_active(void)
  26 {
  27     return false;
  28 }
  29
  30 static inline int blk_mig_bulk_active(void)
  31 {
  32     return false;
  33 }
  34
  35 static inline uint64_t blk_mig_bytes_transferred(void)
  36 {
  37     return 0;
  38 }
  39
  40 static inline uint64_t blk_mig_bytes_remaining(void)
  41 {
  42     return 0;
  43 }
  44
  45 static inline uint64_t blk_mig_bytes_total(void)
  46 {
  47     return 0;
  48 }
  49 #endif /* CONFIG_LIVE_BLOCK_MIGRATION */
  50
  51 void migrate_set_block_enabled(bool value, Error **errp);
  52 #endif /* MIGRATION_BLOCK_H */