UEFI does not support interrupt now. Use polling to check a status command.
Igor Sharovar
On Sun, Feb 24, 2013 at 4:15 AM, Ari Zigler <a...@mellanox.com> wrote:
> Hi,****
>
> ** **
>
> While developing a UNDI driver, I came across the Interrupt Enables
> command, which is described in the UNDI spec:****
>
> *“Disabling an external interrupt enable prevents an external (hardware)
> interrupt from being signaled by the network device, internally the
> interrupt events can still be polled by using the Get Status command.”*
>
> My question is: how do an external HW interrupt *can* be used from inside
> UEFI? What is the unix’s IRQ equivalence in UEFI?****
>
> How do I connect the HW interrupt to an interrupt procedure that handles
> that interrupt? ****
>
> And finally – do I must support external HW interrupt or I may rely on the
> polling done by the system?****
>
> ** **
>
> Thanks,****
>
> ** **
>
> Ari****
>
>
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