Re: Running Mezzano in bhyve

> I suspect PCI interrupts are not functioning correctly.
> 
> Look at this code:
>      ;; Attach interrupt handler.
>      (sup:debug-print-line "Handler: " (ahci-irq-handler ahci))
>      (sup:irq-attach (sup:platform-irq (pci:pci-intr-line location))
>                      (ahci-irq-handler-function ahci)
>                      ahci)
> 
> and this
> 
> (defun pci-intr-line (device)
>    (pci-config/8 device +pci-config-intr-line+)) ;; comment by me: the 
> constant is #x3c
> 
> I found that "PCI 0x3c" means PCI interrupt pin. AFAIK, interrupt pins 
> are not supported by bhyve, is that correct? If it's true, I need either 
> to teach bhyve how to deal with legacy interrupts or to teach Mezzano to 
> understand MSI. What would be easier in your opinion?

  Legacy interrupts should work fine in bhyve for emulated devices. I'd 
suspect this would be much easier to debug/enhance as opposed to adding 
MSI (and likely MSI-x).

later,

Peter.