Decoding PCI data and lspci output on Linux hosts

I’ve been spending some time reading the source code to the Linux QLogic HBA source code, and got a bit curious about how PCI device data was represented by the kernel. I took a number of notes while reading through the Linux kernel documentation, and summarized them in an article titled Decoding PCI data and lspci output on Linux hosts. If you are interested in learning more about how to decode PCI device-nodes, check out the article.

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