PCIe, DMA, NIC

pcie_dma.md

PCIe

1. Down to the TLP: How PCI express devices talk (Part I)
2. PCIe OSDev
3. Motherboard block diagram
4. [Video] Memory Mapped I/O and an introduction to Serial and PCI Express Busses
5. An Introduction to PCI Express
6. A study of the Linux kernel PCI subsystem with QEMU
7. [Book] PCI Express System Architecture
8. Understanding Performance of PCI Express Systems

PCIe Measurement

1. pcm-iio
2. What is the meaning of IB read, IB write, OB read and OB write. They came as output of Intel® PCM while monitoring PCIe bandwidth

• ntel® Xeon® Processor Scalable Memory Family Uncore Performance Monitoring
• Utilizing the Intel® Xeon® Processor Scalable Family IIO Performance Monitoring Events

DMA

1. Introduction to direct memory access
2. Memory Mapping and DMA
3. The chained scatterlist API
4. scatterlist.h
5. DMA
6. DMA API HOWTO
7. How to program the DMA
8. Why you should know about DMA
9. Direct Memory Access: Data Transfer Without Micro-Management
10. DMA explained by astralvx

IOMMU

• VIRTUALIZING IO THROUGH THE IO MEMORY MANAGEMENT UNIT (IOMMU)

• [Video] RISC-V IOMMU Architecture Overview - Perrine Peresse

• IOMMU

• Linux NIC buffer allocation

NIC

• descriptor concept in NIC
• Monitoring and Tuning the Linux Networking Stack: Receiving Data
• [Slides]PCI Device Driver in Linux
• Queueing in the Linux Network Stack