PLX ExpressLane PEX Switch DMA Engine Support
modulename: plx_dma.ko
configname: CONFIG_PLX_DMA
Linux Kernel Configuration
└─>Device Drivers
└─>DMA Engine support
└─>PCI support
└─>PLX ExpressLane PEX Switch DMA Engine Support
In linux kernel since version 5.1 (release Date: 2019-05-05)
Some PLX ExpressLane PCI Switches support additional DMA engines.
These are exposed via extra functions on the switch's
upstream port. Each function exposes one DMA channel.
These are exposed via extra functions on the switch's
upstream port. Each function exposes one DMA channel.