Hi, On 30/04/15 14:47, Stefano Stabellini wrote: >>>> >>>> If the devid is not within this range, the ITS won't recognize the value >>>> and >>>> won't be able to send the interrupt. >>>> >>>> So this is clearly not the right value. >>> >>> Sure, in that case the maximum value allowed by GITS_TYPER.Devbits. >>> Vijay, what is the value of GITS_TYPER.Devbits on your platform? >> >> It is 21 bits > > I would imagine that 21 bits would be plenty to find an unused devid. > > Alternatively we could use an inexistent function of a real device, such > as 00:00.1 (function 1 of the host bridge).
As discussed IRL, this idea sounds good to me. Although I would be happy with any other way which ensure the devid is free. Regards, -- Julien Grall _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
