USB Raw Gadget (an interface that allows to emulate USB devices through the USB Gadget subsystem) has been merged into mainline: git.kernel.org/pub/scm/linux/
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Awesome! is there something similar for emulating PCI devices? or is the PCI subsystem too low on the stack to do such a thing? I believe the only solutions i've seen are in the form of devices emulated through qemu
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There are hardware based solutions, but I'm not aware of any implemented solutions for emulating PCI devices within the kernel. Would love to know if something like this exists