On Fri, Jul 02, 2021 at 10:58:46AM +0100, Shameer Kolothum wrote: > Add a vendor-specific vfio_pci driver for HiSilicon ACC devices. > This will be extended in follow-up patches to add support for > vfio live migration feature. > > Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@xxxxxxxxxx> > --- > drivers/vfio/pci/Kconfig | 9 +++ > drivers/vfio/pci/Makefile | 2 + > drivers/vfio/pci/hisi_acc_vfio_pci.c | 100 +++++++++++++++++++++++++++ > 3 files changed, 111 insertions(+) > create mode 100644 drivers/vfio/pci/hisi_acc_vfio_pci.c <...> > +static const struct vfio_device_ops hisi_acc_vfio_pci_ops = { > + .name = "hisi-acc-vfio-pci", > + .open = hisi_acc_vfio_pci_open, > + .release = vfio_pci_core_release, > + .ioctl = vfio_pci_core_ioctl, > + .read = vfio_pci_core_read, > + .write = vfio_pci_core_write, > + .mmap = vfio_pci_core_mmap, > + .request = vfio_pci_core_request, > + .match = vfio_pci_core_match, > + .reflck_attach = vfio_pci_core_reflck_attach, I don't remember what was proposed in vfio-pci-core conversion patches, but would expect that default behaviour is to fallback to vfio_pci_core_* API if ".release/.ioctl/e.t.c" are not redefined. Thanks