[PATCH 3/4] event/cnxk: set dequeue mode to prefetch with wait
pbhagavatula at marvell.com
pbhagavatula at marvell.com
Tue Jul 19 13:11:24 CEST 2022
From: Pavan Nikhilesh <pbhagavatula at marvell.com>
Set default GetWork(dequeue) mode to prefetch with wait for
event.
Signed-off-by: Pavan Nikhilesh <pbhagavatula at marvell.com>
---
doc/guides/eventdevs/cnxk.rst | 5 +++--
drivers/event/cnxk/cn10k_eventdev.c | 1 +
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/doc/guides/eventdevs/cnxk.rst b/doc/guides/eventdevs/cnxk.rst
index 8537f6257e..69eabf7f22 100644
--- a/doc/guides/eventdevs/cnxk.rst
+++ b/doc/guides/eventdevs/cnxk.rst
@@ -79,8 +79,9 @@ Runtime Config Options
- ``CN10K Getwork mode``
- CN10K supports multiple getwork prefetch modes, by default the prefetch
- mode is set to none.
+ CN10K supports three getwork prefetch modes no prefetch[0], prefetch
+ immediately[1] and delayed prefetch on forward progress event[2].
+ The default getwork mode is 2.
For example::
diff --git a/drivers/event/cnxk/cn10k_eventdev.c b/drivers/event/cnxk/cn10k_eventdev.c
index 4a2554a8eb..6dea550b35 100644
--- a/drivers/event/cnxk/cn10k_eventdev.c
+++ b/drivers/event/cnxk/cn10k_eventdev.c
@@ -981,6 +981,7 @@ cn10k_sso_init(struct rte_eventdev *event_dev)
return 0;
}
+ dev->gw_mode = CN10K_GW_MODE_PREF_WFE;
rc = cnxk_sso_init(event_dev);
if (rc < 0)
return rc;
--
2.25.1
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