tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1# SPDX-License-Identifier: GPL-2.0-only
2config AMD_PTDMA
3 tristate "AMD PassThru DMA Engine"
4 depends on X86_64 && PCI
5 select DMA_ENGINE
6 select DMA_VIRTUAL_CHANNELS
7 help
8 Enable support for the AMD PTDMA controller. This controller
9 provides DMA capabilities to perform high bandwidth memory to
10 memory and IO copy operations. It performs DMA transfer through
11 queue-based descriptor management. This DMA controller is intended
12 to be used with AMD Non-Transparent Bridge devices and not for
13 general purpose peripheral DMA.