> From: Jason Gunthorpe <jgg@xxxxxxxxxx> > Sent: Tuesday, November 8, 2022 8:49 AM > > Add the four functions external drivers need to connect physical DMA to > the IOMMUFD: > > iommufd_device_bind() / iommufd_device_unbind() > Register the device with iommufd and establish security isolation. > > iommufd_device_attach() / iommufd_device_detach() > Connect a bound device to a page table > > Binding a device creates a device object ID in the uAPI, however the > generic API provides no IOCTLs to manipulate them. > > Tested-by: Nicolin Chen <nicolinc@xxxxxxxxxx> > Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx> Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>
