Signed-off-by: Xiao Wang <xiao.w.w...@intel.com> --- doc/guides/nics/ifc.rst | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/doc/guides/nics/ifc.rst b/doc/guides/nics/ifc.rst index 48f9adf1d..a16f2982f 100644 --- a/doc/guides/nics/ifc.rst +++ b/doc/guides/nics/ifc.rst @@ -39,6 +39,12 @@ the driver probe a new container is created for this device, with this container vDPA driver can program DMA remapping table with the VM's memory region information. +The device argument "swlm=1" will configure the driver into SW assisted live +migration mode. In this mode, the driver will set up a SW relay thread when LM +happens, this thread will help device to log dirty pages. Thus this mode does +not require HW to implement a dirty page logging function block, but will +consume some percentage of CPU resource depending on the network throughput. + Key IFCVF vDPA driver ops ~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -70,6 +76,7 @@ Features Features of the IFCVF driver are: - Compatibility with virtio 0.95 and 1.0. +- SW assisted vDPA for live migration. Prerequisites -- 2.15.1
