Device Drivers - 3.0 English

Versal ACAP CPM DMA and Bridge Mode for PCI Express Product Guide (PG347)

Document ID
PG347
Release Date
2022-06-15
Version
3.0 English
Figure 1. Device Drivers

The above figure shows the usage model of Linux and Windows XDMA software drivers. The XDMA example design is implemented on a Xilinx® ACAP, which is connected to an X86 host through PCI Express.

  • In the first use mode, the XDMA driver in kernel space runs on Linux, whereas the test application runs in user space.
  • In the second use mode, the XDMA driver runs in kernel space on Windows, whereas the test application runs in the user space.