s390/protvirt: Add sysfs firmware interface for Ultravisor information

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That information, e.g. the maximum number of guests or installed
Ultravisor facilities, is interesting for QEMU, Libvirt and
administrators.

Let's provide an easily parsable API to get that information.

Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>

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Janosch Frank 2020-02-13 04:15:25 -05:00 • committed by Christian Borntraeger

parent 084ea4d611

commit a0f60f8431

1 changed files with 87 additions and 0 deletions

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arch/s390/kernel/uv.c

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