3 ms·How does a userland process communicate with a PCI device? Asking for a project.by jtl999 10y agoHow does a userland process communicate with a PCI device? Asking for a project.jdiez17 10y agoTake a look at the /bus/pci section of sysfs: https://www.kernel.org/doc/Documentation/filesystems/sysfs-pci.txt https://www.kernel.org/doc/Documentation/filesystems/sysfs-p...jtl999 10y agoI was more interested in Windows but thanks.