1# SPDX-License-Identifier: GPL-2.0-only 2config AMD_PTDMA 3 tristate "AMD PassThru DMA Engine" 4 depends on X86_64 && PCI 5 help 6 Enable support for the AMD PTDMA controller. This controller 7 provides DMA capabilities to perform high bandwidth memory to 8 memory and IO copy operations. It performs DMA transfer through 9 queue-based descriptor management. This DMA controller is intended 10 to be used with AMD Non-Transparent Bridge devices and not for 11 general purpose peripheral DMA. 12