diff options
| author | Andrey Gruzdev <andrey.gruzdev@virtuozzo.com> | 2021-01-29 13:14:03 +0300 |
|---|---|---|
| committer | Dr. David Alan Gilbert <dgilbert@redhat.com> | 2021-02-08 11:19:51 +0000 |
| commit | 6e8c25b4c623f755f588893661fec77ae88e128a (patch) | |
| tree | 635c5956b219e1d674fa2fe365a10c4a0df4f5ee /migration/ram.c | |
| parent | 1dfafcbd39d55b88abc96401642f697db6131ea0 (diff) | |
migration: introduce 'background-snapshot' migration capability
Add new capability to 'qapi/migration.json' schema.
Update migrate_caps_check() to validate enabled capability set
against introduced one. Perform checks for required kernel features
and compatibility with guest memory backends.
Signed-off-by: Andrey Gruzdev <andrey.gruzdev@virtuozzo.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210129101407.103458-2-andrey.gruzdev@virtuozzo.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Diffstat (limited to 'migration/ram.c')
| -rw-r--r-- | migration/ram.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/migration/ram.c b/migration/ram.c index 7811cde643..ae8de17153 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -3788,6 +3788,27 @@ static int ram_resume_prepare(MigrationState *s, void *opaque) return 0; } +/* ram_write_tracking_available: check if kernel supports required UFFD features + * + * Returns true if supports, false otherwise + */ +bool ram_write_tracking_available(void) +{ + /* TODO: implement */ + return false; +} + +/* ram_write_tracking_compatible: check if guest configuration is + * compatible with 'write-tracking' + * + * Returns true if compatible, false otherwise + */ +bool ram_write_tracking_compatible(void) +{ + /* TODO: implement */ + return false; +} + static SaveVMHandlers savevm_ram_handlers = { .save_setup = ram_save_setup, .save_live_iterate = ram_save_iterate, |