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Registers the matrix device created by the VFIO AP device driver with the VFIO mediated device framework. Registering the matrix device will create the sysfs structures needed to create mediated matrix devices each of which will be used to configure the AP matrix for a guest and connect it to the VFIO AP device driver. Registering the matrix device with the VFIO mediated device framework will create the following sysfs structures: /sys/devices/vfio_ap/matrix/ ...... [mdev_supported_types] ......... [vfio_ap-passthrough] ............ create To create a mediated device for the AP matrix device, write a UUID to the create file: uuidgen > create A symbolic link to the mediated device's directory will be created in the devices subdirectory named after the generated $uuid: /sys/devices/vfio_ap/matrix/ ...... [mdev_supported_types] ......... [vfio_ap-passthrough] ............ [devices] ............... [$uuid] A symbolic link to the mediated device will also be created in the vfio_ap matrix's directory: /sys/devices/vfio_ap/matrix/[$uuid] Signed-off-by: Tony Krowiak <akrowiak@linux.ibm.com> Reviewed-by: Halil Pasic <pasic@linux.ibm.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Tested-by: Michael Mueller <mimu@linux.ibm.com> Tested-by: Farhan Ali <alifm@linux.ibm.com> Message-Id: <20180925231641.4954-6-akrowiak@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> |
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