File Content: Kconfig # SPDX-License-Identifier: GPL-2.0-only config AMD_PTDMA tristate "AMD PassThru DMA Engine" depends on X86_64 && PCI select DMA_ENGINE select DMA_VIRTUAL_CHANNELS help Enable support for the AMD PTDMA controller. This controller provides DMA capabilities to perform high bandwidth memory to memory and IO copy operations. It performs DMA transfer through queue-based descriptor management. This DMA controller is intended to be used with AMD Non-Transparent Bridge devices and not for general purpose peripheral DMA. Submit