Windows PCI Device Driver Development Guide: Using SGL DMA
In the previous article (Implementing a PCIe Device in Qemu: Supporting SGL DMA), we added a Bit Flip functionality (bitwise negation) to the PCIe device simulated in Qemu. In this functionality, we implemented support for Scatter-Gather List DMA (SGL DMA), allowing the use of non-contiguous physical memory as a DMA buffer. This article will introduce … Read more