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Diffstat (limited to 'docs/specs/pci-ids.txt')
| -rw-r--r-- | docs/specs/pci-ids.txt | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/docs/specs/pci-ids.txt b/docs/specs/pci-ids.txt new file mode 100644 index 00000000..e463c4cb --- /dev/null +++ b/docs/specs/pci-ids.txt @@ -0,0 +1,70 @@ + +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 +-------------- + +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 (legacy) +1af4:1001 block device (legacy) +1af4:1002 balloon device (legacy) +1af4:1003 console device (legacy) +1af4:1004 SCSI host bus adapter device (legacy) +1af4:1005 entropy generator device (legacy) +1af4:1009 9p filesystem device (legacy) +1af4:1012 vsock device (bug compatibility) + +1af4:1040 Start of ID range for modern virtio devices. The PCI device + to ID is calculated from the virtio device ID by adding the +1af4:10ef 0x1040 offset. The virtio IDs are defined in the virtio + specification. The Linux kernel has a header file with + defines for all virtio IDs (linux/virtio_ids.h), qemu has a + copy in include/standard-headers/. + +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. + +1af4:1110 ivshmem device (shared memory, docs/specs/ivshmem-spec.txt) + +All other device IDs are reserved. + +1b36 vendor ID +-------------- + +The 0000 -> 00ff device ID range is used as follows for QEMU-specific +PCI devices (other than virtio): + +1b36:0001 PCI-PCI bridge +1b36:0002 PCI serial port (16550A) adapter (docs/specs/pci-serial.txt) +1b36:0003 PCI Dual-port 16550A adapter (docs/specs/pci-serial.txt) +1b36:0004 PCI Quad-port 16550A adapter (docs/specs/pci-serial.txt) +1b36:0005 PCI test device (docs/specs/pci-testdev.txt) +1b36:0006 PCI Rocker Ethernet switch device +1b36:0007 PCI SD Card Host Controller Interface (SDHCI) +1b36:0008 PCIe host bridge +1b36:0009 PCI Expander Bridge (-device pxb) +1b36:000a PCI-PCI bridge (multiseat) +1b36:000b PCIe Expander Bridge (-device pxb-pcie) +1b36:000d PCI xhci usb host adapter +1b36:000f mdpy (mdev sample device), linux/samples/vfio-mdev/mdpy.c +1b36:0010 PCIe NVMe device (-device nvme) +1b36:0011 PCI PVPanic device (-device pvpanic-pci) +1b36:0012 PCI ACPI ERST device (-device acpi-erst) + +All these devices are documented in docs/specs. + +The 0100 device ID is used for the QXL video card device. |