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| author | Mihai Caraman <mihai.caraman@freescale.com> | 2014-08-20 17:36:25 +0400 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2014-09-22 12:11:33 +0400 |
| commit | 3840edc8033ad5b86deee309c1c321ca54257452 (patch) | |
| tree | 3c193a8480a3a9f54a7a4559a4be2265c9741c4d /arch/powerpc/kvm/powerpc.c | |
| parent | 8a41ea53b32ffbe7524e3424cf0403fa3b4c73fb (diff) | |
| download | linux-3840edc8033ad5b86deee309c1c321ca54257452.tar.xz | |
KVM: PPC: Move ONE_REG AltiVec support to powerpc
Move ONE_REG AltiVec support to powerpc generic layer.
Signed-off-by: Mihai Caraman <mihai.caraman@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'arch/powerpc/kvm/powerpc.c')
| -rw-r--r-- | arch/powerpc/kvm/powerpc.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 8a26126db482..0c7d1917c23d 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -921,6 +921,29 @@ int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg) if (r == -EINVAL) { r = 0; switch (reg->id) { +#ifdef CONFIG_ALTIVEC + case KVM_REG_PPC_VR0 ... KVM_REG_PPC_VR31: + if (!cpu_has_feature(CPU_FTR_ALTIVEC)) { + r = -ENXIO; + break; + } + vcpu->arch.vr.vr[reg->id - KVM_REG_PPC_VR0] = val.vval; + break; + case KVM_REG_PPC_VSCR: + if (!cpu_has_feature(CPU_FTR_ALTIVEC)) { + r = -ENXIO; + break; + } + vcpu->arch.vr.vscr.u[3] = set_reg_val(reg->id, val); + break; + case KVM_REG_PPC_VRSAVE: + if (!cpu_has_feature(CPU_FTR_ALTIVEC)) { + r = -ENXIO; + break; + } + vcpu->arch.vrsave = set_reg_val(reg->id, val); + break; +#endif /* CONFIG_ALTIVEC */ default: r = -EINVAL; break; @@ -953,6 +976,25 @@ int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg) if (r == -EINVAL) { r = 0; switch (reg->id) { +#ifdef CONFIG_ALTIVEC + case KVM_REG_PPC_VR0 ... KVM_REG_PPC_VR31: + if (!cpu_has_feature(CPU_FTR_ALTIVEC)) { + r = -ENXIO; + break; + } + val.vval = vcpu->arch.vr.vr[reg->id - KVM_REG_PPC_VR0]; + break; + case KVM_REG_PPC_VSCR: + if (!cpu_has_feature(CPU_FTR_ALTIVEC)) { + r = -ENXIO; + break; + } + val = get_reg_val(reg->id, vcpu->arch.vr.vscr.u[3]); + break; + case KVM_REG_PPC_VRSAVE: + val = get_reg_val(reg->id, vcpu->arch.vrsave); + break; +#endif /* CONFIG_ALTIVEC */ default: r = -EINVAL; break; |