[PULL 09/51] KVM: PPC: BookE: Add GET/SET_ONE_REG interface for VRSAVE

Alexander Graf
2013-10-31T21:17:54Z

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>
---
arch/powerpc/kvm/booke.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index 17722d8..65fa775 100644
--- a/arch/powerpc/kvm/booke.c
+++ b/arch/powerpc/kvm/booke.c
@@ -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;
--
1.8.1.4