[PATCH 24.03 1/8] eventdev: add capability flags for supported sched types

[Bruce Richardson]

On Mon, Nov 20, 2023 at 11:18:14PM +0530, Jerin Jacob wrote:
> On Mon, Nov 20, 2023 at 11:08 PM Bruce Richardson
> <bruce.richardson at intel.com> wrote:
> >
> > Not all eventdev's support all scheduling types, for example, some may
> > only support atomic scheduling or others only support ordered
> > scheduling. There is currently no clear indication for each driver what
> > sched types it supports, so add capability flags to be indicated on
> > return from rte_event_dev_info_get() API.
> >
> > Similarly add the possible scheduling types to the capabilities table in
> > the docs.
> >
> > Signed-off-by: Bruce Richardson <bruce.richardson at intel.com>
> > ---
> >  doc/guides/eventdevs/features/default.ini |  3 +++
> >  lib/eventdev/rte_eventdev.h               | 21 +++++++++++++++++++++
> >  2 files changed, 24 insertions(+)
> >
> > diff --git a/doc/guides/eventdevs/features/default.ini b/doc/guides/eventdevs/features/default.ini
> > index e980ae134a..1cc4303fe5 100644
> > --- a/doc/guides/eventdevs/features/default.ini
> > +++ b/doc/guides/eventdevs/features/default.ini
> > @@ -6,6 +6,9 @@
> >  ; the features table in the documentation.
> >  ;
> >  [Scheduling Features]
> > +atomic_scheduling          =
> > +ordered_scheduling         =
> > +parallel_scheduling        =
> >  queue_qos                  =
> >  event_qos                  =
> >  distributed_sched          =
> > diff --git a/lib/eventdev/rte_eventdev.h b/lib/eventdev/rte_eventdev.h
> > index ec9b02455d..9109de157e 100644
> > --- a/lib/eventdev/rte_eventdev.h
> > +++ b/lib/eventdev/rte_eventdev.h
> > @@ -326,6 +326,27 @@ struct rte_event;
> >   * than one.
> >   */
> >
> > +#define RTE_EVENT_DEV_CAP_ATOMIC  (1ULL << 13)
> > +/**< Event device is capable of atomic scheduling.
> > + * When this flag is set, the application can configure queues with scheduling type
> > + * atomic on this event device.
> > + * @see RTE_SCHED_TYPE_ATOMIC
> > + */
> > +
> > +#define RTE_EVENT_DEV_CAP_ORDERED  (1ULL << 13)
> > +/**< Event device is capable of ordered scheduling.
> > + * When this flag is set, the application can configure queues with scheduling type
> > + * ordered on this event device.
> > + * @see RTE_SCHED_TYPE_ORDERED
> > + */
> > +
> > +#define RTE_EVENT_DEV_CAP_PARALLEL  (1ULL << 13)
> > +/**< Event device is capable of parallel scheduling.
> > + * When this flag is set, the application can configure queues with scheduling type
> > + * parallel on this event device.
> > + * @see RTE_SCHED_TYPE_PARALLEL
> > + */
> 
> All the caps definition is 1ULL << 13. It should be unique per capa.
> 
Yep, good spot! Copy-paste error, naturally. :-(

Will fix in a v2.

/Bruce