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Commit afa45ff5 authored by Christian Borntraeger's avatar Christian Borntraeger
Browse files

KVM: s390: expose gbea register to userspace



For migration/reset we want to expose the guest breaking event
address register to userspace. Lets use ONE_REG for that purpose.

Signed-off-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: default avatarJason J. Herne <jjherne@linux.vnet.ibm.com>
parent 672550fb
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+1 −0
Original line number Diff line number Diff line
@@ -77,4 +77,5 @@ struct kvm_sync_regs {
#define KVM_REG_S390_PFCOMPARE	(KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x6)
#define KVM_REG_S390_PFSELECT	(KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x7)
#define KVM_REG_S390_PP		(KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x8)
#define KVM_REG_S390_GBEA	(KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x9)
#endif
+8 −0
Original line number Diff line number Diff line
@@ -576,6 +576,10 @@ static int kvm_arch_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu,
		r = put_user(vcpu->arch.sie_block->pp,
			     (u64 __user *)reg->addr);
		break;
	case KVM_REG_S390_GBEA:
		r = put_user(vcpu->arch.sie_block->gbea,
			     (u64 __user *)reg->addr);
		break;
	default:
		break;
	}
@@ -621,6 +625,10 @@ static int kvm_arch_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu,
		r = get_user(vcpu->arch.sie_block->pp,
			     (u64 __user *)reg->addr);
		break;
	case KVM_REG_S390_GBEA:
		r = get_user(vcpu->arch.sie_block->gbea,
			     (u64 __user *)reg->addr);
		break;
	default:
		break;
	}