From e14e7a1e537d6e18f9c511f25c25c5efb7799fb5 Mon Sep 17 00:00:00 2001 From: Alexander Graf Date: Tue, 22 Apr 2014 12:26:58 +0200 Subject: KVM: PPC: Book3S PR: Expose TAR facility to guest POWER8 implements a new register called TAR. This register has to be enabled in FSCR and then from KVM's point of view is mere storage. This patch enables the guest to use TAR. Signed-off-by: Alexander Graf --- arch/powerpc/kvm/book3s.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'arch/powerpc/kvm/book3s.c') diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c index 79cfa2d10238..4046a1a91a75 100644 --- a/arch/powerpc/kvm/book3s.c +++ b/arch/powerpc/kvm/book3s.c @@ -634,6 +634,9 @@ int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg) case KVM_REG_PPC_FSCR: val = get_reg_val(reg->id, vcpu->arch.fscr); break; + case KVM_REG_PPC_TAR: + val = get_reg_val(reg->id, vcpu->arch.tar); + break; default: r = -EINVAL; break; @@ -726,6 +729,9 @@ int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg) case KVM_REG_PPC_FSCR: vcpu->arch.fscr = set_reg_val(reg->id, val); break; + case KVM_REG_PPC_TAR: + vcpu->arch.tar = set_reg_val(reg->id, val); + break; default: r = -EINVAL; break; -- cgit v1.2.3