On Fri, May 15, 2026 at 07:56:49AM +0200, Jan Beulich wrote:
> On 15.05.2026 06:08, Koichiro Den wrote:
> > --- a/xen/include/public/domctl.h
> > +++ b/xen/include/public/domctl.h
> > @@ -1201,6 +1201,16 @@ struct xen_domctl_vuart_op {
> > */
> > };
> >
> > +/* XEN_DOMCTL_arm_cca_op */
> > +struct xen_domctl_arm_cca_op {
> > +#define XEN_DOMCTL_ARM_CCA_OP_INIT_REALM 0
> > + uint32_t cmd; /* IN - XEN_DOMCTL_ARM_CCA_OP_* */
> > + uint32_t flags; /* IN - reserved, must be zero */
> > + uint64_aligned_t base_gfn; /* IN - first guest RAM gfn to
> > protect */
> > + uint64_aligned_t nr_pages; /* IN - number of 4K pages to protect
> > */
> > + uint64_aligned_t rmi_result; /* OUT - raw RMI result on -EIO */
> > +};
> > +
> > /* XEN_DOMCTL_vmtrace_op: Perform VM tracing operations. */
> > struct xen_domctl_vmtrace_op {
> > uint32_t cmd; /* IN */
> > @@ -1368,6 +1378,7 @@ struct xen_domctl {
> > #define XEN_DOMCTL_gsi_permission 88
> > #define XEN_DOMCTL_set_llc_colors 89
> > #define XEN_DOMCTL_get_domain_state 90 /* stable interface */
> > +#define XEN_DOMCTL_arm_cca_op 91
>
> If this is to be Arm only (as the name implies), ...
>
> > @@ -1429,6 +1440,7 @@ struct xen_domctl {
> > struct xen_domctl_monitor_op monitor_op;
> > struct xen_domctl_psr_alloc psr_alloc;
> > struct xen_domctl_vuart_op vuart_op;
> > + struct xen_domctl_arm_cca_op arm_cca_op;
>
> ... this wants to move ...
>
> > struct xen_domctl_vmtrace_op vmtrace_op;
> > struct xen_domctl_paging_mempool paging_mempool;
> > #if defined(__arm__) || defined(__aarch64__)
>
> ... into this #if.
Hi Jan,
Thanks for catching this. I'll move the arm_cca_op union member into the #if
block in v2.
Best regards,
Koichiro
>
> Jan
