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The Linux kernel configuration item CONFIG_AMD_PTDMA
:
CONFIG_X86_64 && CONFIG_PCI
ptdma
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.
Numeric ID (from LKDDb) and names (from pci.ids) of recognized devices:
1022
("Advanced Micro Devices, Inc. [AMD]"), device: 1498
("Starship/Matisse PTDMA")Raw data from LKDDb:
lkddb module ptdma CONFIG_AMD_PTDMA : drivers/dma/ptdma/Kconfig : "AMD PassThru DMA Engine" # in 5.15–5.19, 6.0–6.12, 6.13-rc+HEAD
lkddb pci 1022 1498 .... .... ...... : CONFIG_AMD_PTDMA CONFIG_DMADEVICES CONFIG_PCI : drivers/dma/ptdma/ptdma-pci.c # in 5.15–5.19, 6.0–6.12, 6.13-rc+HEAD
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Automatically generated (in year 2024). See also LKDDb sources on GitLab