[dpdk-dev] [PATCH v5 1/3] vhost: Add callback and private data for vhost PMD
yuanhan.liu at linux.intel.com
Wed Jan 6 08:38:52 CET 2016
On Wed, Jan 06, 2016 at 12:56:58PM +0900, Tetsuya Mukawa wrote:
> On 2015/12/29 6:59, Rich Lane wrote:
> > On Wed, Dec 23, 2015 at 11:58 PM, Tetsuya Mukawa <mukawa at igel.co.jp> wrote:
> >> Hi Rich and Yuanhan,
> >> I guess we have 2 implementations here.
> >> 1. rte_eth_vhost_get_queue_event() returns each event.
> >> 2. rte_eth_vhost_get_queue_status() returns current status of the queues.
> >> I guess option "2" is more generic manner to handle interrupts from
> >> device driver.
> >> In the case of option "1", if DPDK application doesn't call
> >> rte_eth_vhost_get_queue_event(), the vhost PMD needs to keep all events.
> >> This may exhaust memory.
> > Option 1 can be implemented in constant space by only tracking the latest
> > state of each
> > queue. I pushed a rough implementation to https://github.com/rlane/dpdk
> > vhost-queue-callback.
> > One more example is current link status interrupt handling.
> Hi Rich,
> I appreciate your implementation.
> I can understand what's your idea, and agree with it.
> Hi Yuanhan,
> What do you think his implementation?
With a quick glimpse, it looks good to me.
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