On Fri, Mar 31, 2023 at 8:49 PM Zhu Lingshan <lingshan....@intel.com> wrote: > > Formerly, ifcvf driver has implemented a lazy-initialization mechanism > for the virtqueues and other config space contents, > it would store all configurations that passed down from the userspace, > then load them to the device config space upon DRIVER_OK. > > This can not serve live migration, so this series implement an > immediate initialization mechanism, which means rather than the > former store-load process, the virtio operations like vq ops > would take immediate actions by access the virtio registers.
Is there any chance that ifcvf can use virtio_pci_modern_dev library? Then we don't need to duplicate the codes. Note that pds_vdpa will be the second user for virtio_pci_modern_dev library (and the first vDPA parent to use that library). Thanks > > This series also implement irq synchronization in the reset > routine > > Zhu Lingshan (5): > virt queue ops take immediate actions > get_driver_features from virito registers > retire ifcvf_start_datapath and ifcvf_add_status > synchronize irqs in the reset routine > a vendor driver should not set _CONFIG_S_FAILED > > drivers/vdpa/ifcvf/ifcvf_base.c | 162 +++++++++++++++++++------------- > drivers/vdpa/ifcvf/ifcvf_base.h | 16 ++-- > drivers/vdpa/ifcvf/ifcvf_main.c | 97 ++++--------------- > 3 files changed, 122 insertions(+), 153 deletions(-) > > -- > 2.39.1 > _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization
