On Mon, Feb 21, 2022 at 11:40:35AM +0000, Shameer Kolothum wrote: > > Hi, > > This series attempts to add vfio live migration support for > HiSilicon ACC VF devices based on the new v2 migration protocol > definition and mlx5 v8 series discussed here[0]. > > RFCv4 --> v5 > - Dropped RFC tag as v2 migration APIs are more stable now. > - Addressed review comments from Jason and Alex (Thanks!). > > This is sanity tested on a HiSilicon platform using the Qemu branch > provided here[1]. > > Please take a look and let me know your feedback. > > Thanks, > Shameer > [0] https://lore.kernel.org/kvm/20220220095716.153757-1-yishaih@xxxxxxxxxx/ > [1] https://github.com/jgunthorpe/qemu/commits/vfio_migration_v2 > > > v3 --> RFCv4 > -Based on migration v2 protocol and mlx5 v7 series. > -Added RFC tag again as migration v2 protocol is still under discussion. > -Added new patch #6 to retrieve the PF QM data. > -PRE_COPY compatibility check is now done after the migration data > transfer. This is not ideal and needs discussion. Alex, do you want to keep the PRE_COPY in just for acc for now? Or do you think this is not a good temporary use for it? We have some work toward doing the compatability more generally, but I think it will be a while before that is all settled. Jason
