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KVM: PPC: BookE: Add GET/SET_ONE_REG interface for VRSAVE 

This makes the VRSAVE register value for a vcpu accessible through
the GET/SET_ONE_REG interface on Book E systems (in addition to the
existing GET/SET_SREGS interface), for consistency with Book 3S.

Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Paul Mackerras 2013-09-20 14:52:37 +10:00 committed by Alexander Graf
parent 8c2dbb79c6
commit 8b75cbbe64
1 changed files with 6 additions and 0 deletions
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6
arch/powerpc/kvm/booke.c
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@ -1479,6 +1479,9 @@ int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg)
case KVM_REG_PPC_DEBUG_INST:
val = get_reg_val(reg->id, KVMPPC_INST_EHPRIV);
break;
case KVM_REG_PPC_VRSAVE:
val = get_reg_val(reg->id, vcpu->arch.vrsave);
break;
default:
r = kvmppc_get_one_reg(vcpu, reg->id, &val);
break;
@ -1552,6 +1555,9 @@ int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg)
kvmppc_set_tcr(vcpu, tcr);
break;
}
case KVM_REG_PPC_VRSAVE:
vcpu->arch.vrsave = set_reg_val(reg->id, val);
break;
default:
r = kvmppc_set_one_reg(vcpu, reg->id, &val);
break;