req-226 backport

Merge pull request xapi-project#3734 from stefanopanella/CP-29605

CP-29605: Write function to query sparseness of VDIs on GFS2 SRs and do sparse data export

CP-29696: Change the order of cipher base on latest requirement

Signed-off-by: Min Li <[email protected]>

Merge remote-tracking branch 'upstream/master' into uefi

Conflicts:
	ocaml/xapi/xapi_xenops.ml

Merge pull request xapi-project#3716 from gaborigloi/CP-29521

CP-29521: VDI import/export in TAR format

fixup! CP-28301: validate and send HVM-boot-params["firmware"] to xen…

…opsd

Merge pull request xapi-project#3724 from robhoes/master

Improve update_getty

Merge tag 'v1.124.0' into uefi

Conflicts:
	ocaml/xapi/xapi_xenops.ml

Merge pull request xapi-project#3720 from gaborigloi/helper

Move implementations_of_backend to xcp-idl

Merge pull request xapi-project#3715 from jonludlam/CA-298318

CA-298318: Set the SM name_label correctly