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add pci-bridge-seat

Browse source 
Simplifies multiseat configuration, see
docs/multiseat.txt update for details.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Gerd Hoffmann 2015-06-18 12:17:29 +02:00 • committed by Michael S. Tsirkin
parent 72d97b3a54
commit eb6c6a6048
4 changed files with 45 additions and 1 deletions
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19
docs/multiseat.txt
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@ -106,6 +106,25 @@ the devices attached to the seat.
Background info is here:
http://www.freedesktop.org/wiki/Software/systemd/multiseat/
guest side with pci-bridge-seat
-------------------------------
Qemu version FIXME and newer has a new pci-bridge-seat device which
can be used instead of pci-bridge. Just swap the device name in the
qemu command line above. The only difference between the two devices
is the pci id. We can match the pci id instead of the device path
with a nice generic rule now, which simplifies the guest
configuration:
[root@fedora ~]# cat /etc/udev/rules.d/70-qemu-pci-bridge-seat.rules
SUBSYSTEM=="pci", ATTR{vendor}=="0x1b36", ATTR{device}=="0x000a", \
TAG+="seat", ENV{ID_AUTOSEAT}="1"
Patch with this rule will be submitted to upstream udev/systemd, so
long-term, when systemd with this lands in distros, things will work
just fine without any manual guest configuration.
Enjoy!
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