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Influencing interrupt routing in Windows -- was: Question abuot masking interrupt

Jake_OshinsJake_Oshins Member Posts: 1,058
"Joseph M. Newcomer" <> wrote in message
> Personally, I would be interested if someone knows how to change interrupt
> priorities on a given device.

When I rewrote the interrupt management code in Windows, I wrote it such
that you could, through a set of WMI objects, affect which IRQs a set of PCI
devices was attached to. (The motherboard forces certain devices to share
an IRQ steering device, but beyond that, the OS has control.)

I also set it up so that you could influence the priority choice.

When Microsoft (famously) threw out the Longhorn code and started over on
Windows Vista, I had already moved on to working on virtual machines. This
code was removed in the name of simplification and testability.

Sorry. I tried.

Jake Oshins
Hyper-V I/O Architect (former interrupt guy)
Windows Kernel Group

This post implies no warranties and confers no rights.
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