Commit Graph
4 Commits
Author SHA1 Message Date
Juergen Gross e48e33e219 libxc: increase maximum migration stream record length
Today the maximum record lenth in a migration stream is 8MB. This
limits the size of a PV domain to a little bit less than 1TB in the
migration case, as the P2M frame list will exceed 8MB in this case.

Raising the record size limit by a factor of 16 allows for domain
sizes of nearly 16TB to be migrated. This ought to be enough.

Signed-off-by: Juergen Gross <jgross@suse.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
2017-09-01 17:39:26 +01:00
Wen Congyang 9f4edff430 libxc/migration: Specification update for DIRTY_PFN_LIST records
Used by secondary to send it's dirty bitmap to primary under COLO.

Signed-off-by: Yang Hongyang <hongyang.yang@easystack.cn>
Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Signed-off-by: Changlong Xie <xiecl.fnst@cn.fujitsu.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
2016-04-01 11:07:28 +08:00
Andrew Cooper 0853659695 libxc/migration: Specification update for CHECKPOINT records
Checkpointed streams need to signal the end of a consistent view of VM state,
and the start of the libxl data.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: Yang Hongyang <yanghy@cn.fujitsu.com>
CC: Ian Campbell <Ian.Campbell@citrix.com>
CC: Ian Jackson <Ian.Jackson@eu.citrix.com>
CC: Wei Liu <wei.liu2@citrix.com>
Acked-by: Ian Campbell <Ian.Campbell@citrix.com>
2015-05-14 13:01:11 +01:00
Andrew Cooper d004e0980d tools/libxc: C implementation of stream format
Provide the C structures matching the binary (wire) format of the new
stream format.  All header/record fields are naturally aligned and
explicit padding fields are used to ensure the correct layout (i.e.,
there is no need for any non-standard structure packing pragma or
attribute).

Provide some helper functions for converting types to string for
diagnostic purposes.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Ian Campbell <Ian.Campbell@citrix.com>
2015-05-05 14:30:46 +01:00