On Mon, Mar 27, 2023 at 02:33:45AM -0700, Yi Liu wrote: > External email: Use caution opening links or attachments > > > The .bind_iommufd op of vfio emulated devices are either empty or does > nothing. This is different with the vfio physical devices, to add vfio > device cdev, need to make them act the same. > > This series first makes the .bind_iommufd op of vfio emulated devices > to create iommufd_access, this introduces a new iommufd API. Then let > the driver that does not provide .bind_iommufd op to use the vfio emulated > iommufd op set. This makes all vfio device drivers have consistent iommufd > operations, which is good for adding new device uAPIs in the device cdev > series. > > Change log: > > v3: > - Use iommufd_get_ioas() for ioas get, hence patch 01 is added to modify > the input parameter of iommufd_get_ioas(). (Jason) > - Add r-b from Jason and Kevin > - Add t-b from Terrence Xu This runs well with iommufd selftest on x86 and QEMU sanity on ARM64, applying nesting series on top of this and cdev series: https://github.com/nicolinc/iommufd/commits/wip/iommufd_nesting-03272023 Tested-by: Nicolin Chen <nicolinc@xxxxxxxxxx>
