GNU/Linux & PCI (Express) - Part 5: Write to PCI(e) configuration space

#Linux #FOSS #FLOSS #PCI

Here I am with a new series of videos. This time about GNU/Linux and PCI (Express). I want to show you, how to access PCI (Express) devices from User- and Kernelspace. Enjoy!

In this video we will write to the configuration space of a PCI(e) device to get information about the BARs, like size, type of memory, ...

Here is a link to my fork of the pciutils:
https://github.com/Johannes4Linux/pciutils

My sources & useful links to PCI/PCI Express:
https://tldp.org/LDP/tlk/dd/pci.html
https://en.wikipedia.org/wiki/PCI_configuration_space
https://pcisig.com/sites/default/files/files/PCI_Code-ID_r_1_11__v24_Jan_2019.pdf
https://www.programmersought.com/article/6973544207/

Видео GNU/Linux & PCI (Express) - Part 5: Write to PCI(e) configuration space канала Johannes 4GNU_Linux