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CONFIG_AMD_PTDMA: AMD PassThru DMA Engine

General informations

The Linux kernel configuration item CONFIG_AMD_PTDMA:

Help text

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.

Hardware

PCI

Numeric ID (from LKDDb) and names (from pci.ids) of recognized devices:

LKDDb

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Automatically generated (in year 2021). See also LKDDb sources on GitLab