[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] permit_access functionality
No, those functions are (currently) only for allowing I/O access for PV guests. The recent VT-d patches provide direct I/O functionality for HVM guests, if you have capable hardware. -- Keir On 28/9/07 18:49, "Jayant Mangalampalli" <Jayant_Mangalampalli@xxxxxxxxxxx> wrote: > What is the exact use of ioport_permit_access() and irq_permit_access() kind > of functions? If I permit port/irq access to HVM guest for a particular port > or IRQ, does that mean guest VCPU does not issue a hypercall when accessing > them? If a PIRQ is asserted by physical hardware, can hvm guest directly get > notification if given such access? > > Thanks > Jayant > > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-devel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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