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pci: use constants for devices under the 1B36 device ID, document them

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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Paolo Bonzini 2012-12-13 10:19:38 +01:00 • committed by Michael S. Tsirkin
parent b8ef62a9b7
commit 5c03a2542f
4 changed files with 30 additions and 12 deletions
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15
docs/specs/pci-ids.txt
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@ -33,3 +33,18 @@ maintained as part of the virtio specification.
1af4:1110 ivshmem device (shared memory, docs/specs/ivshmem_device_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)
All these devices are documented in docs/specs.
The 0100 device ID is used for the QXL video card device.