On Wed, 22 Jun 2016, Juergen Gross wrote: > Update some Xen headers to be able to use new functionality. > > Signed-off-by: Juergen Gross <jgr...@suse.com>
Reviewed-by: Stefano Stabellini <sstabell...@kernel.org> > include/xen/interface/vcpu.h | 24 +++++++++++++++--------- > include/xen/interface/xen.h | 17 ++++++++++++++++- > 2 files changed, 31 insertions(+), 10 deletions(-) > > diff --git a/include/xen/interface/vcpu.h b/include/xen/interface/vcpu.h > index b05288c..98188c8 100644 > --- a/include/xen/interface/vcpu.h > +++ b/include/xen/interface/vcpu.h > @@ -75,15 +75,21 @@ > */ > #define VCPUOP_get_runstate_info 4 > struct vcpu_runstate_info { > - /* VCPU's current state (RUNSTATE_*). */ > - int state; > - /* When was current state entered (system time, ns)? */ > - uint64_t state_entry_time; > - /* > - * Time spent in each RUNSTATE_* (ns). The sum of these times is > - * guaranteed not to drift from system time. > - */ > - uint64_t time[4]; > + /* VCPU's current state (RUNSTATE_*). */ > + int state; > + /* When was current state entered (system time, ns)? */ > + uint64_t state_entry_time; > + /* > + * Update indicator set in state_entry_time: > + * When activated via VMASST_TYPE_runstate_update_flag, set during > + * updates in guest memory mapped copy of vcpu_runstate_info. > + */ > +#define XEN_RUNSTATE_UPDATE (1ULL << 63) > + /* > + * Time spent in each RUNSTATE_* (ns). The sum of these times is > + * guaranteed not to drift from system time. > + */ > + uint64_t time[4]; > }; > DEFINE_GUEST_HANDLE_STRUCT(vcpu_runstate_info); > > diff --git a/include/xen/interface/xen.h b/include/xen/interface/xen.h > index d133112..1b0d189 100644 > --- a/include/xen/interface/xen.h > +++ b/include/xen/interface/xen.h > @@ -413,7 +413,22 @@ DEFINE_GUEST_HANDLE_STRUCT(mmuext_op); > /* x86/PAE guests: support PDPTs above 4GB. */ > #define VMASST_TYPE_pae_extended_cr3 3 > > -#define MAX_VMASST_TYPE 3 > +/* > + * x86 guests: Sane behaviour for virtual iopl > + * - virtual iopl updated from do_iret() hypercalls. > + * - virtual iopl reported in bounce frames. > + * - guest kernels assumed to be level 0 for the purpose of iopl checks. > + */ > +#define VMASST_TYPE_architectural_iopl 4 > + > +/* > + * All guests: activate update indicator in vcpu_runstate_info > + * Enable setting the XEN_RUNSTATE_UPDATE flag in guest memory mapped > + * vcpu_runstate_info during updates of the runstate information. > + */ > +#define VMASST_TYPE_runstate_update_flag 5 > + > +#define MAX_VMASST_TYPE 5 > > #ifndef __ASSEMBLY__ > > -- > 2.6.6 >