From: Zhirun Yan <zhirun.yan@intel.com>
To: dev@dpdk.org, qi.z.zhang@intel.com
Cc: Zhirun Yan <zhirun.yan@intel.com>
Subject: [dpdk-dev] [PATCH v9 3/3] doc: update queue number per vf for i40e
Date: Thu, 20 Dec 2018 11:01:30 +0000 [thread overview]
Message-ID: <20181220110130.37913-4-zhirun.yan@intel.com> (raw)
In-Reply-To: <20181220110130.37913-1-zhirun.yan@intel.com>
Updated the doc and release notes on the support for requesting more
queues.
Signed-off-by: Zhirun Yan <zhirun.yan@intel.com>
---
doc/guides/nics/i40e.rst | 15 +++++++++------
doc/guides/rel_notes/release_19_02.rst | 8 ++++++++
2 files changed, 17 insertions(+), 6 deletions(-)
diff --git a/doc/guides/nics/i40e.rst b/doc/guides/nics/i40e.rst
index bfacbd117..6aceb53ea 100644
--- a/doc/guides/nics/i40e.rst
+++ b/doc/guides/nics/i40e.rst
@@ -129,13 +129,16 @@ Please note that enabling debugging options may affect system performance.
Runtime Config Options
~~~~~~~~~~~~~~~~~~~~~~
-- ``Number of Queues per VF`` (default ``4``)
+- ``Reserved number of Queues per VF`` (default ``4``)
+
+ The number of reserved queue per VF is determined by its host PF. If the
+ PCI address of an i40e PF is aaaa:bb.cc, the number of reserved queues per
+ VF can be configured with EAL parameter like -w aaaa:bb.cc,queue-num-per-vf=n.
+ The value n can be 1, 2, 4, 8 or 16. If no such parameter is configured, the
+ number of reserved queues per VF is 4 by default. If VF request more than
+ reserved queues per VF, PF will able to allocate max to 16 queues after a VF
+ reset.
- The number of queue per VF is determined by its host PF. If the PCI address
- of an i40e PF is aaaa:bb.cc, the number of queues per VF can be configured
- with EAL parameter like -w aaaa:bb.cc,queue-num-per-vf=n. The value n can be
- 1, 2, 4, 8 or 16. If no such parameter is configured, the number of queues
- per VF is 4 by default.
- ``Support multiple driver`` (default ``disable``)
diff --git a/doc/guides/rel_notes/release_19_02.rst b/doc/guides/rel_notes/release_19_02.rst
index 069f429a7..fd5dc806b 100644
--- a/doc/guides/rel_notes/release_19_02.rst
+++ b/doc/guides/rel_notes/release_19_02.rst
@@ -65,6 +65,14 @@ New Features
Added a new performance test tool to test the compressdev PMD. The tool tests
compression ratio and compression throughput.
+* **Added dynamic queues allocation support for i40e VF.**
+
+ Previously, available queues of VF is reserved by PF at initialize stage.
+ Now both DPDK PF and Kernel PF (>=2.1.14) will support dynamic queue
+ allocation. At runtime, when VF request more queue number exceed the initial
+ reserved amount, PF can allocate up to 16 queues as the request after a VF
+ reset.
+
Removed Items
-------------
--
2.17.1
next prev parent reply other threads:[~2018-12-20 3:24 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-20 11:01 [dpdk-dev] [PATCH v9 0/3] Support request more queues Zhirun Yan
2018-12-20 11:01 ` [dpdk-dev] [PATCH v9 1/3] net/i40e: support VF " Zhirun Yan
2018-12-20 11:01 ` [dpdk-dev] [PATCH v9 2/3] net/i40e: support PF respond " Zhirun Yan
2018-12-20 11:01 ` Zhirun Yan [this message]
2018-12-20 12:14 ` [dpdk-dev] [PATCH v9 0/3] Support " Zhang, Qi Z
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