[dpdk-dev] [kmods PATCH] windows/netuio: add interrupt support

[William Tu]

On Mon, Oct 11, 2021 at 6:11 PM Dmitry Kozlyuk <dmitry.kozliuk at gmail.com> wrote:
>
> Add IOCTL for interrupt event delivery to user space.
>
> * IOCTL_NETUIO_INTR_CONTROL:
>   Enable/disable the delivery of interrupt events.
>   This is a software switch to ignore received interrupts.
>   Programming the HW to stop issuing interrupts is up to the user.
>
> * IOCTL_NETUIO_INTR_QUERY:
>   Wait for an interrupt event on the specified vector.
>   More than one outstanding request may be issued for the same vector.
>   This can be used to balance the interrupt servicing if the requests
>   are issued using distinct handles waited by different threads.
>   If N identical requests are issued using the same handle,
>   one request will be completed each time the interrupt is triggered.
>
> MSI-X support is advertised for the driver, but the implementation
> works with any type of interrupts assigned by the kernel.
>
> Signed-off-by: Dmitry Kozlyuk <dmitry.kozliuk at gmail.com>
> ---

Hi Dmitry,
Is there a corresponding userspace code so I can give it a try?
s.t like sending IOCTL_NETUIO_INTR_CONTROL to enable a device's interrupt,
and blocked at IOCTL_NETUIO_INTR_QUERY for incoming request in the intr_queue.
Thanks
William