On Tue, Nov 21, 2023 at 10:32:07AM +0100, Mattias Rönnblom wrote:
> On 2023-11-21 10:30, Mattias Rönnblom wrote:
> > On 2023-11-20 18:26, Bruce Richardson wrote:
> > > Document explicitly the scheduling types supported by this driver, both
> > > via info_get() function, and via table in the documentation.
> > > 
> > > Signed-off-by: Bruce Richardson <bruce.richard...@intel.com>
> > > ---
> > >   doc/guides/eventdevs/features/dsw.ini | 1 +
> > >   drivers/event/dsw/dsw_evdev.c         | 1 +
> > >   2 files changed, 2 insertions(+)
> > > 
> > > diff --git a/doc/guides/eventdevs/features/dsw.ini
> > > b/doc/guides/eventdevs/features/dsw.ini
> > > index c8bc6b3f1d..941d257e3d 100644
> > > --- a/doc/guides/eventdevs/features/dsw.ini
> > > +++ b/doc/guides/eventdevs/features/dsw.ini
> > > @@ -4,6 +4,7 @@
> > >   ; Refer to default.ini for the full list of available PMD features.
> > >   ;
> > >   [Scheduling Features]
> > > +atomic_scheduling          = Y
> > >   distributed_sched          = Y
> > >   burst_mode                 = Y
> > >   nonseq_mode                = Y
> > > diff --git a/drivers/event/dsw/dsw_evdev.c
> > > b/drivers/event/dsw/dsw_evdev.c
> > > index 1209e73a9d..a68ca1fe30 100644
> > > --- a/drivers/event/dsw/dsw_evdev.c
> > > +++ b/drivers/event/dsw/dsw_evdev.c
> > > @@ -220,6 +220,7 @@ dsw_info_get(struct rte_eventdev *dev __rte_unused,
> > >           .max_num_events = DSW_MAX_EVENTS,
> > >           .max_profiles_per_port = 1,
> > >           .event_dev_cap = RTE_EVENT_DEV_CAP_BURST_MODE|
> > > +        RTE_EVENT_DEV_CAP_ATOMIC |
> > >           RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED|
> > >           RTE_EVENT_DEV_CAP_NONSEQ_MODE|
> > >           RTE_EVENT_DEV_CAP_MULTIPLE_QUEUE_PORT|
> > > -- 
> > > 2.39.2
> > > 
> > 
> > Acked-by: Mattias Rönnblom <mattias.ronnb...@ericsson.com>
> 
> Eh, hold on. PARALLEL is also supported.
> 

Sorry, missed that. Will add in V2.

> Do we need a capability for single link as well?

I was wondering about that myself.  For this v1 I decided against it
because any ordered or atomic queue can be single link by just binding it
to a single port. The actual single link flag is jut a hint allow the
driver to be more efficient about resourcing.
However, if you think it's worthwhile calling out explicitly I can
certainly add it.

/Bruce

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