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RE: [Xen-devel] get_callback_via for Windows PV drivers


  • To: "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
  • Date: Sun, 30 Sep 2007 14:40:02 +1000
  • Delivery-date: Sat, 29 Sep 2007 21:41:44 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcgA9OzcfY9Gb9pGR2mZngrddXcW4QAHXHZeACtw2sAABAkhcgBS3J4g
  • Thread-topic: [Xen-devel] get_callback_via for Windows PV drivers

> > I can get bus, dev, and fn, but can't seem to find 'pin' from the
> > information that Windows gives me... if 28 isn't the GSI, then I'll
have
> > to look harder for this 'pin' number in the windows structures...
> 
> Read byte 0x3d in the PCI device config space. That returns the pin
index.

Using 28 as the irq appears to work - the ISR definitely get called by
xen (and locks up if I don't do the right thing with the upcall_pending
flag).

Can you see a problem with doing it that way?

Thanks

James

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