KVM: s390: protvirt: UV calls in support of diag308 0, 1

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diag 308 subcode 0 and 1 require several KVM and Ultravisor interactions.
Specific to these "soft" reboots are

* The "unshare all" UVC
* The "prepare for reset" UVC

Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
[borntraeger@de.ibm.com: patch merging, splitting, fixing]
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>

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Janosch Frank 2019-05-09 13:07:21 +02:00 • committed by Christian Borntraeger

parent ea5c68c390

commit e0d2773d48

3 changed files with 28 additions and 0 deletions

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4

arch/s390/include/asm/uv.h

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22

arch/s390/kvm/kvm-s390.c

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2

include/uapi/linux/kvm.h

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