[dpdk-dev] [PATCH v6 0/8] Interrupt mode PMD

[Stephen Hemminger]

On Fri, 27 Feb 2015 11:38:25 +0100
David Marchand <david.marchand at 6wind.com> wrote:

> On Fri, Feb 27, 2015 at 5:56 AM, Cunming Liang <cunming.liang at intel.com> wrote:
> v6 changes
>  - split rte_intr_wait_rx_pkt into two APIs 'wait' and 'set'.
>  - rewrite rte_intr_rx_wait/rte_intr_rx_set.
>  - using vector number instead of queue_id as interrupt API params.
>  - patch reorder and split.
> 
> 
> Ok, so after looking at this patchset, I would say this is the right direction, but still this is too limited.
> The ethdev part and the vfio eventfds part look acceptable to me.
> But thinking about it, I could just reuse a standard event library with the eventfds I would get from ethdev without a need for a new eal api.

Also, you need to introduce a flag (in pci drv_flags?) so that application can
know if poll mode interrupt will work or not on the given device before
configuring it.