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RE: [Xen-devel] communication between hypervisor and guest OS

  • To: "Karl Koch" <kkscythe@xxxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
  • Date: Thu, 7 Apr 2011 11:33:44 +1000
  • Cc:
  • Delivery-date: Wed, 06 Apr 2011 18:39:18 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: Acv0wj4rGKCwt0zBSE+DukwONANLAwAAWyrw
  • Thread-topic: [Xen-devel] communication between hypervisor and guest OS

> Hi everyone,
> currently I'm working on a security project where communication
between the
> hypervisor and the guest kernel is needed.
> I'm new to (para)virtualization development and I was wondering if xen
> provides any predefined interfaces for my concern.
> In addition, are there any good papers / documentation on developing
with xen?

What sort of communication?

Do you really mean the hypervisor or do you mean Dom0?

The communication between DomX and the hypervisor is normally done via
hypercalls, but maybe that doesn't suit your requirements?


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