qemu-patch-raspberry4/docs/specs/pci-ids.txt

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PCI IDs for qemu
================
Red Hat, Inc. donates a part of its device ID range to qemu, to be used for
virtual devices. The vendor IDs are 1af4 (formerly Qumranet ID) and 1b36.
Contact Gerd Hoffmann <kraxel@redhat.com> to get a device ID assigned
for your devices.
1af4 vendor ID
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The 1000 -> 10ff device ID range is used as follows for virtio-pci devices.
Note that this allocation separate from the virtio device IDs, which are
maintained as part of the virtio specification.
1af4:1000 network device
1af4:1001 block device
1af4:1002 balloon device
1af4:1003 console device
1af4:1004 SCSI host bus adapter device
1af4:1005 entropy generator device
1af4:1009 9p filesystem device
1af4:10f0 Available for experimental usage without registration. Must get
to official ID when the code leaves the test lab (i.e. when seeking
1af4:10ff upstream merge or shipping a distro/product) to avoid conflicts.
1af4:1100 Used as PCI Subsystem ID for existing hardware devices emulated
by qemu.
All other device IDs are reserved.