[9/9] doc: update ifc NIC document
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Signed-off-by: Xiao Wang <xiao.w.wang@intel.com>
---
doc/guides/nics/ifc.rst | 7 +++++++
1 file changed, 7 insertions(+)
@@ -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