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authorPaolo Bonzini <pbonzini@redhat.com>2012-12-13 10:19:38 +0100
committerMichael S. Tsirkin <mst@redhat.com>2013-01-09 12:10:28 +0200
commit5c03a2542fbe1a275fe3dd7ebd48a6a283b249ed (patch)
tree638a8e6460c4ff1a3224817189c8059425e260be /docs/specs
parentb8ef62a9b746f2d7078d97c7ee5d1c7a31b42d5d (diff)
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pci: use constants for devices under the 1B36 device ID, document them
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'docs/specs')
-rw-r--r--docs/specs/pci-ids.txt15
1 files changed, 15 insertions, 0 deletions
diff --git a/docs/specs/pci-ids.txt b/docs/specs/pci-ids.txt
index e76b196..3c65e1a 100644
--- a/docs/specs/pci-ids.txt
+++ b/docs/specs/pci-ids.txt
@@ -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.