LXR qemu/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#include "hw/qdev-properties.h"
  18#include "hw/qdev-properties-system.h"
  19#include "migration/client-options.h"
  20
  21/* migration properties */
  22
  23extern const Property migration_properties[];
  24extern const size_t migration_properties_count;
  25
  26/* capabilities */
  27
  28bool migrate_auto_converge(void);
  29bool migrate_colo(void);
  30bool migrate_dirty_bitmaps(void);
  31bool migrate_events(void);
  32bool migrate_mapped_ram(void);
  33bool migrate_ignore_shared(void);
  34bool migrate_late_block_activate(void);
  35bool migrate_multifd(void);
  36bool migrate_pause_before_switchover(void);
  37bool migrate_postcopy_blocktime(void);
  38bool migrate_postcopy_preempt(void);
  39bool migrate_rdma_pin_all(void);
  40bool migrate_release_ram(void);
  41bool migrate_return_path(void);
  42bool migrate_validate_uuid(void);
  43bool migrate_xbzrle(void);
  44bool migrate_zero_copy_send(void);
  45
  46/*
  47 * pseudo capabilities
  48 *
  49 * These are functions that are used in a similar way to capabilities
  50 * check, but they are not a capability.
  51 */
  52
  53bool migrate_multifd_flush_after_each_section(void);
  54bool migrate_postcopy(void);
  55bool migrate_rdma(void);
  56bool migrate_tls(void);
  57
  58/* capabilities helpers */
  59
  60bool migrate_rdma_caps_check(bool *caps, Error **errp);
  61bool migrate_caps_check(bool *old_caps, bool *new_caps, Error **errp);
  62
  63/* parameters */
  64
  65const BitmapMigrationNodeAliasList *migrate_block_bitmap_mapping(void);
  66bool migrate_has_block_bitmap_mapping(void);
  67
  68uint32_t migrate_checkpoint_delay(void);
  69uint8_t migrate_cpu_throttle_increment(void);
  70uint8_t migrate_cpu_throttle_initial(void);
  71bool migrate_cpu_throttle_tailslow(void);
  72bool migrate_direct_io(void);
  73uint64_t migrate_downtime_limit(void);
  74uint8_t migrate_max_cpu_throttle(void);
  75uint64_t migrate_max_bandwidth(void);
  76uint64_t migrate_avail_switchover_bandwidth(void);
  77uint64_t migrate_max_postcopy_bandwidth(void);
  78int migrate_multifd_channels(void);
  79MultiFDCompression migrate_multifd_compression(void);
  80int migrate_multifd_zlib_level(void);
  81int migrate_multifd_qatzip_level(void);
  82int migrate_multifd_zstd_level(void);
  83uint8_t migrate_throttle_trigger_threshold(void);
  84const char *migrate_tls_authz(void);
  85const char *migrate_tls_creds(void);
  86const char *migrate_tls_hostname(void);
  87uint64_t migrate_xbzrle_cache_size(void);
  88ZeroPageDetection migrate_zero_page_detection(void);
  89
  90/* parameters helpers */
  91
  92bool migrate_params_check(MigrationParameters *params, Error **errp);
  93void migrate_params_init(MigrationParameters *params);
  94#endif
  95