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# 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.
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