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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>
This commit is contained in:
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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include/uapi/linux/kvm.h
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@@ -1500,6 +1500,8 @@ enum pv_cmd_id {
KVM_PV_SET_SEC_PARMS,
KVM_PV_UNPACK,
KVM_PV_VERIFY,
KVM_PV_PREP_RESET,
KVM_PV_UNSHARE_ALL,
};
struct kvm_pv_cmd {