On Sat, Jun 28, 2025 at 11:17 AM Pravin Pathak <pravin.pat...@intel.com> wrote: > > DLB2 port interrupt is implemented using DPDK interrupt > framework. This allows eventdev dequeue API to sleep when > the port queue is empty and gets wakeup when event arrives > at the port. Port dequeue mode is configured using devargs > argument port_dequeue_wait. Supported modes are polling and > interrupt. Default mode is polling. > This commit also adds code to handle device error interrupts > and print alarm details. > > Signed-off-by: Pravin Pathak <pravin.pat...@intel.com> > Signed-off-by: Tirthendu Sarkar <tirthendu.sar...@intel.com> > --- > doc/guides/eventdevs/dlb2.rst | 20 + > drivers/event/dlb2/dlb2.c | 236 +++++- > drivers/event/dlb2/dlb2_iface.c | 7 + > drivers/event/dlb2/dlb2_iface.h | 8 + > drivers/event/dlb2/dlb2_priv.h | 18 + > drivers/event/dlb2/dlb2_user.h | 112 +++ > drivers/event/dlb2/pf/base/dlb2_hw_types.h | 70 ++ > drivers/event/dlb2/pf/base/dlb2_osdep.h | 46 ++ > drivers/event/dlb2/pf/base/dlb2_regs.h | 149 +++- > drivers/event/dlb2/pf/base/dlb2_resource.c | 825 +++++++++++++++++++++ > drivers/event/dlb2/pf/base/dlb2_resource.h | 6 + > drivers/event/dlb2/pf/dlb2_pf.c | 223 ++++++ > 12 files changed, 1711 insertions(+), 9 deletions(-) > > diff --git a/doc/guides/eventdevs/dlb2.rst b/doc/guides/eventdevs/dlb2.rst > index 8ec7168f20..a4ba857351 100644 > --- a/doc/guides/eventdevs/dlb2.rst > +++ b/doc/guides/eventdevs/dlb2.rst > @@ -477,6 +477,26 @@ Example command to use as meson option for credit > handling: > > meson configure -Dc_args='-DDLB_SW_CREDITS_CHECKS=0 > -DDLB_HW_CREDITS_CHECKS=1' > > +Interrupt Mode Support > +~~~~~~~~~~~~~~~~~~~~~~ > +DLB dequeue supports interrupt mode for the API rte_event_dequeue_burst(). > +The default port dequeue mode is polling. Dequeue wait mode can be configured > +on per eventdev port basis using devargs argument 'port_dequeue_wait'. In > +interrupt mode, if the port queue is empty, the application thread will block > +on the interrupt until a new event arrives. It enters blocking mode only > after > +any specified timeout. During the timeout, it will poll the port queue for > +events as usual. Interrupt mode uses the DPDK interrupt support framework. > + > + .. code-block:: console > + > + --allow ea:00.0,port_dequeue_wait=all:interrupt
Adding other eventdev PMD mainatainers. Looks like it can be a generic feature. i.e set this option is dev_configure() If there is no objection, Please send a new patch around that.
