Re: [Xen-devel] HVMOP_altp2m_vcpu_enable_notify code example usage

[Tamas K Lengyel <tamas.k.lengyel@xxxxxxxxx>]

Hi Dmitry,
as long as you are testing with a HVM Linux guest you should be able
to just compile the Xen tools in the guest and then use libxc from
within the guest to issue that hypercall via
xc_altp2m_set_vcpu_enable_notify. You will need to load a couple Xen
related kernel-modules for it to work (like xen-privcmd). Let us know
if you got it working!

Cheers,
Tamas

On Fri, Aug 19, 2016 at 1:19 PM, Dmitry Rockosov <rockosov@xxxxxxxxx> wrote:
> Hello Xen Team!
>
> Does anybody have any code examples of HVMOP_altp2m_vcpu_enable_notify?
>
> I want to fully test #VE, VMFUNC and EPTP Switching VM Function 0 in Xen,
> but doesn't have any documentations/examples for it.
> I tried xen-access test from tools/tests/xen-access, but looks like it
> doesn't use VMFUNC and #VE, it simply changes VMCS entries with vmwrite, w/o
> VMFUNC 0 (EPTP Switching).
>
> Thanks in advance!
>
> Best Regards,
> Rockosov Dmitry
>
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> https://lists.xen.org/xen-devel
>

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