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Signed-off-by: Xinying Yu Reviewed-by: Chaoyong He Reviewed-by: Long Wu Reviewed-by: Peng Zhang --- doc/guides/vdpadevs/nfp.rst | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/doc/guides/vdpadevs/nfp.rst b/doc/guides/vdpadevs/nfp.rst index dc9e94dbc8..e4736d9f61 100644 --- a/doc/guides/vdpadevs/nfp.rst +++ b/doc/guides/vdpadevs/nfp.rst @@ -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 ~~~~~~~~~~~~~~~~~~~~~