From: Christian Borntraeger <borntraeger@de.ibm.com>
Date: Tue, 18 Feb 2020 15:08:07 -0500
Subject: KVM: s390: protvirt: introduce and enable KVM_CAP_S390_PROTECTED
Git-commit: 13da9ae1cdbf1ec4ea36b7612e606681c27cca13
Patch-mainline: v5.7-rc1
References: jsc#SLE-7512 bsc#1165545
Now that everything is in place, we can announce the feature.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
arch/s390/kvm/kvm-s390.c | 3 +++
include/uapi/linux/kvm.h | 1 +
2 files changed, 4 insertions(+)
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -573,6 +573,9 @@ int kvm_vm_ioctl_check_extension(struct
case KVM_CAP_S390_BPB:
r = test_facility(82);
break;
+ case KVM_CAP_S390_PROTECTED:
+ r = is_prot_virt_host();
+ break;
default:
r = 0;
}
--- a/include/uapi/linux/kvm.h
+++ b/include/uapi/linux/kvm.h
@@ -1006,6 +1006,7 @@ struct kvm_ppc_resize_hpt {
#define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
#define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
#define KVM_CAP_S390_VCPU_RESETS 179
+#define KVM_CAP_S390_PROTECTED 180
#ifdef KVM_CAP_IRQ_ROUTING