On Sun, 13 Nov 2022 18:58:50 +0200 Yishai Hadas <yishaih@xxxxxxxxxx> wrote: > On 09/11/2022 19:06, Jason Gunthorpe wrote: > > On Sun, Nov 06, 2022 at 07:46:18PM +0200, Yishai Hadas wrote: > >> Add an option to get migration data size by introducing a new migration > >> feature named VFIO_DEVICE_FEATURE_MIG_DATA_SIZE. > >> > >> Upon VFIO_DEVICE_FEATURE_GET the estimated data length that will be > >> required to complete STOP_COPY is returned. > >> > >> This option may better enable user space to consider before moving to > >> STOP_COPY whether it can meet the downtime SLA based on the returned > >> data. > >> > >> The patch also includes the implementation for mlx5 and hisi for this > >> new option to make it feature complete for the existing drivers in this > >> area. > >> > >> Signed-off-by: Yishai Hadas <yishaih@xxxxxxxxxx> > >> --- > >> .../vfio/pci/hisilicon/hisi_acc_vfio_pci.c | 9 ++++++ > >> drivers/vfio/pci/mlx5/main.c | 18 +++++++++++ > >> drivers/vfio/pci/vfio_pci_core.c | 3 +- > >> drivers/vfio/vfio_main.c | 32 +++++++++++++++++++ > >> include/linux/vfio.h | 5 +++ > >> include/uapi/linux/vfio.h | 13 ++++++++ > >> 6 files changed, 79 insertions(+), 1 deletion(-) > > Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx> > > > > Jason > > Alex, > > Are we fine with taking the first 2 patches from this series ? > > For this one we have reviewed-by from Jason and Longfang Liu, the next > patch has also a reviewed-by Jason and is very simple. > > Please let me know if you want me to send them separately outside of > this pre_copy series and add the mentioned reviewed-by or that you can > just collect them out from the list by yourself. Applied 1 & 2 to vfio next branch for v6.2. Thanks, Alex
