mirror of
https://github.com/qemu/qemu.git
synced 2024-12-01 07:43:35 +08:00
b43b61d5be
Add the direct-io migration parameter that tells the migration code to use O_DIRECT when opening the migration stream file whenever possible. This is currently only used with the mapped-ram migration that has a clear window guaranteed to perform aligned writes. Acked-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Signed-off-by: Fabiano Rosas <farosas@suse.de>
94 lines
2.7 KiB
C
94 lines
2.7 KiB
C
/*
|
|
* QEMU migration capabilities
|
|
*
|
|
* Copyright (c) 2012-2023 Red Hat Inc
|
|
*
|
|
* Authors:
|
|
* Orit Wasserman <owasserm@redhat.com>
|
|
* Juan Quintela <quintela@redhat.com>
|
|
*
|
|
* This work is licensed under the terms of the GNU GPL, version 2 or later.
|
|
* See the COPYING file in the top-level directory.
|
|
*/
|
|
|
|
#ifndef QEMU_MIGRATION_OPTIONS_H
|
|
#define QEMU_MIGRATION_OPTIONS_H
|
|
|
|
#include "hw/qdev-properties.h"
|
|
#include "hw/qdev-properties-system.h"
|
|
#include "migration/client-options.h"
|
|
|
|
/* migration properties */
|
|
|
|
extern Property migration_properties[];
|
|
|
|
/* capabilities */
|
|
|
|
bool migrate_auto_converge(void);
|
|
bool migrate_colo(void);
|
|
bool migrate_dirty_bitmaps(void);
|
|
bool migrate_events(void);
|
|
bool migrate_mapped_ram(void);
|
|
bool migrate_ignore_shared(void);
|
|
bool migrate_late_block_activate(void);
|
|
bool migrate_multifd(void);
|
|
bool migrate_pause_before_switchover(void);
|
|
bool migrate_postcopy_blocktime(void);
|
|
bool migrate_postcopy_preempt(void);
|
|
bool migrate_rdma_pin_all(void);
|
|
bool migrate_release_ram(void);
|
|
bool migrate_return_path(void);
|
|
bool migrate_validate_uuid(void);
|
|
bool migrate_xbzrle(void);
|
|
bool migrate_zero_blocks(void);
|
|
bool migrate_zero_copy_send(void);
|
|
|
|
/*
|
|
* pseudo capabilities
|
|
*
|
|
* These are functions that are used in a similar way to capabilities
|
|
* check, but they are not a capability.
|
|
*/
|
|
|
|
bool migrate_multifd_flush_after_each_section(void);
|
|
bool migrate_postcopy(void);
|
|
bool migrate_rdma(void);
|
|
bool migrate_tls(void);
|
|
|
|
/* capabilities helpers */
|
|
|
|
bool migrate_caps_check(bool *old_caps, bool *new_caps, Error **errp);
|
|
bool migrate_cap_set(int cap, bool value, Error **errp);
|
|
|
|
/* parameters */
|
|
|
|
const BitmapMigrationNodeAliasList *migrate_block_bitmap_mapping(void);
|
|
bool migrate_has_block_bitmap_mapping(void);
|
|
|
|
uint32_t migrate_checkpoint_delay(void);
|
|
uint8_t migrate_cpu_throttle_increment(void);
|
|
uint8_t migrate_cpu_throttle_initial(void);
|
|
bool migrate_cpu_throttle_tailslow(void);
|
|
bool migrate_direct_io(void);
|
|
uint64_t migrate_downtime_limit(void);
|
|
uint8_t migrate_max_cpu_throttle(void);
|
|
uint64_t migrate_max_bandwidth(void);
|
|
uint64_t migrate_avail_switchover_bandwidth(void);
|
|
uint64_t migrate_max_postcopy_bandwidth(void);
|
|
int migrate_multifd_channels(void);
|
|
MultiFDCompression migrate_multifd_compression(void);
|
|
int migrate_multifd_zlib_level(void);
|
|
int migrate_multifd_zstd_level(void);
|
|
uint8_t migrate_throttle_trigger_threshold(void);
|
|
const char *migrate_tls_authz(void);
|
|
const char *migrate_tls_creds(void);
|
|
const char *migrate_tls_hostname(void);
|
|
uint64_t migrate_xbzrle_cache_size(void);
|
|
ZeroPageDetection migrate_zero_page_detection(void);
|
|
|
|
/* parameters helpers */
|
|
|
|
bool migrate_params_check(MigrationParameters *params, Error **errp);
|
|
void migrate_params_init(MigrationParameters *params);
|
|
#endif
|