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author | Anthony Liguori <aliguori@us.ibm.com> | 2013-01-14 10:23:50 -0600 |
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committer | Anthony Liguori <aliguori@us.ibm.com> | 2013-01-14 10:23:50 -0600 |
commit | 8e9a8681dd6066e4f79ba85b59deedb4d3d11aa2 (patch) | |
tree | c14ddf30842e64285294a8deda7ac41218bb1ab0 /docs | |
parent | 7adef3bc5a195d483987469fc80fbbe4a25a5b9d (diff) | |
parent | feb9a2ab4b0260d8d680a7ffd25063dafc7ec628 (diff) | |
download | hqemu-8e9a8681dd6066e4f79ba85b59deedb4d3d11aa2.zip hqemu-8e9a8681dd6066e4f79ba85b59deedb4d3d11aa2.tar.gz |
Merge remote-tracking branch 'mst/tags/for_anthony' into staging
pci,virtio
This further optimizes MSIX handling in virtio-pci.
Also included is pci cleanup by Paolo, and pci device
assignment fix by Alex.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
* mst/tags/for_anthony:
pci-assign: Enable MSIX on device to match guest
pci: use constants for devices under the 1B36 device ID, document them
ivshmem: use symbolic constant for PCI ID, add to pci-ids.txt
virtio-9p: use symbolic constant, add to pci-ids.txt
reorganize pci-ids.txt
docs: move pci-ids.txt to docs/specs/
vhost: backend masking support
vhost: set started flag while start is in progress
virtio-net: set/clear vhost_started in reverse order
virtio: backend virtqueue notifier masking
virtio-pci: cache msix messages
kvm: add stub for update msi route
msix: add api to access msix message
virtio: don't waste irqfds on control vqs
Diffstat (limited to 'docs')
-rw-r--r-- | docs/specs/pci-ids.txt | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/docs/specs/pci-ids.txt b/docs/specs/pci-ids.txt new file mode 100644 index 0000000..3c65e1a --- /dev/null +++ b/docs/specs/pci-ids.txt @@ -0,0 +1,50 @@ + +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 +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. + +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. |