[10/10] doc: update nfp document
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Commit Message
From: Xinying Yu <xinying.yu@corigine.com>
Add the software assisted vDPA live migration feature
into NFP document.
Signed-off-by: Xinying Yu <xinying.yu@corigine.com>
Reviewed-by: Chaoyong He <chaoyong.he@corigine.com>
Reviewed-by: Long Wu <long.wu@corigine.com>
Reviewed-by: Peng Zhang <peng.zhang@corigine.com>
---
doc/guides/vdpadevs/nfp.rst | 9 +++++++++
1 file changed, 9 insertions(+)
Comments
Recheck-request: iol-compile-amd64-testing
The DPDK Community Lab updated to the latest Alpine image yesterday, which
resulted in all Alpine builds failing. The failure is unrelated to your
patch, and this recheck should remove the fail on Patchwork, as we have
disabled Alpine testing for now.
@@ -19,6 +19,15 @@ device will be probed by net/nfp driver and will used as a VF net device.
This PMD uses (common/nfp) code to access the device firmware.
+Software Live Migration
+~~~~~~~~~~~~~~~~~~~~~~~
+
+Now the NFP vDPA driver only support software assisted live migration mode.
+In this mode, the driver will setup a software relay thread when live migration
+happens, this thread will help device to log dirty pages. Although this mode
+does not require hardware to implement a dirty page logging function block, it
+will consume percentage of CPU resource depending on the network throughput.
+
Per-Device Parameters
~~~~~~~~~~~~~~~~~~~~~