'npdflr' via qubes-users:
while the section: Preparing a device for passthrough (https://wiki.xenproject.org/wiki/Xen_PCI_Passthrough#Preparing_a_device_for_passthrough) states that: "First, determine the BDF of the device you wish to pass through. This is usually done by running lspci in the ***guest***??."
That's not right. The guest wouldn't know about it yet, since it's not passed through.
I haven't installed Qubes OS yet as I am trying to understand the security measures and steps before installation. (Although I have experience of being a Debian user) Does one have to "add pciback.hide=(BDF) to your kernel options line" through the GRUB2 bootloader splash screen --> dom0 linux kernel (classic kernel) at boot time immediately after installation of Qubes OS to prevent automatic loading of PCI drivers?
Yes, you would have to, but if you suspect a device is compromised it is better to dispose of the computer and get a different one. If it's not compromised, having dom0 load drivers for it a couple times isn't going to hurt. You could also disable or remove the device before install.
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