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| author | Alexander Graf <agraf@suse.de> | 2014-04-22 12:26:58 +0200 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2014-05-30 14:26:23 +0200 |
| commit | e14e7a1e537d6e18f9c511f25c25c5efb7799fb5 (patch) | |
| tree | f0e8f7c0450dcbb83ea1f6e527b99e69e23f8e9a /arch/powerpc/kvm/book3s.c | |
| parent | 616dff86028298dbc91174fb3d12b8ed8cd74955 (diff) | |
| download | linux-e14e7a1e537d6e18f9c511f25c25c5efb7799fb5.tar.bz2 | |
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 <agraf@suse.de>
Diffstat (limited to 'arch/powerpc/kvm/book3s.c')
| -rw-r--r-- | arch/powerpc/kvm/book3s.c | 6 |
1 files changed, 6 insertions, 0 deletions
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; |