migration/options.h

   1 /*
   2  * QEMU migration capabilities
   3  *
   4  * Copyright (c) 2012-2023 Red Hat Inc
   5  *
   6  * Authors:
   7  *   Orit Wasserman <owasserm@redhat.com>
   8  *   Juan Quintela <quintela@redhat.com>
   9  *
  10  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  11  * See the COPYING file in the top-level directory.
  12  */
  13
  14 #ifndef QEMU_MIGRATION_OPTIONS_H
  15 #define QEMU_MIGRATION_OPTIONS_H
  16
  17 /* capabilities */
  18
  19 bool migrate_auto_converge(void);
  20 bool migrate_background_snapshot(void);
  21 bool migrate_block(void);
  22 bool migrate_colo(void);
  23 bool migrate_compress(void);
  24 bool migrate_dirty_bitmaps(void);
  25 bool migrate_events(void);
  26 bool migrate_ignore_shared(void);
  27 bool migrate_late_block_activate(void);
  28 bool migrate_multifd(void);
  29 bool migrate_pause_before_switchover(void);
  30 bool migrate_postcopy_blocktime(void);
  31 bool migrate_postcopy_preempt(void);
  32 bool migrate_postcopy_ram(void);
  33 bool migrate_rdma_pin_all(void);
  34 bool migrate_release_ram(void);
  35 bool migrate_return_path(void);
  36 bool migrate_validate_uuid(void);
  37 bool migrate_xbzrle(void);
  38 bool migrate_zero_blocks(void);
  39 bool migrate_zero_copy_send(void);
  40
  41 /*
  42  * pseudo capabilities
  43  *
  44  * These are functions that are used in a similar way to capabilities
  45  * check, but they are not a capability.
  46  */
  47
  48 bool migrate_postcopy(void);
  49
  50 /* capabilities helpers */
  51
  52 bool migrate_caps_check(bool *old_caps, bool *new_caps, Error **errp);
  53 bool migrate_cap_set(int cap, bool value, Error **errp);
  54
  55 /* parameters */
  56
  57 bool migrate_block_incremental(void);
  58 uint32_t migrate_checkpoint_delay(void);
  59 int migrate_compress_level(void);
  60 int migrate_compress_threads(void);
  61 int migrate_compress_wait_thread(void);
  62 uint8_t migrate_cpu_throttle_increment(void);
  63 uint8_t migrate_cpu_throttle_initial(void);
  64 bool migrate_cpu_throttle_tailslow(void);
  65 int migrate_decompress_threads(void);
  66 uint8_t migrate_max_cpu_throttle(void);
  67 uint64_t migrate_max_bandwidth(void);
  68 int64_t migrate_max_postcopy_bandwidth(void);
  69 int migrate_multifd_channels(void);
  70 MultiFDCompression migrate_multifd_compression(void);
  71 int migrate_multifd_zlib_level(void);
  72 int migrate_multifd_zstd_level(void);
  73 uint8_t migrate_throttle_trigger_threshold(void);
  74 uint64_t migrate_xbzrle_cache_size(void);
  75
  76 #endif