Hi Luca, > On 23 May 2023, at 09:43, Luca Fancellu <luca.fance...@arm.com> wrote: > > Add sve_vl field to arch_domain and xen_arch_domainconfig struct, > to allow the domain to have an information about the SVE feature > and the number of SVE register bits that are allowed for this > domain. > > sve_vl field is the vector length in bits divided by 128, this > allows to use less space in the structures. > > The field is used also to allow or forbid a domain to use SVE, > because a value equal to zero means the guest is not allowed to > use the feature. > > Check that the requested vector length is lower or equal to the > platform supported vector length, otherwise fail on domain > creation. > > Check that only 64 bit domains have SVE enabled, otherwise fail. > > Signed-off-by: Luca Fancellu <luca.fance...@arm.com>
Reviewed-by: Bertrand Marquis <bertrand.marq...@arm.com> Cheers Bertrand
