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| author | Alexander Graf <agraf@suse.de> | 2014-04-29 13:36:21 +0200 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2014-05-30 14:26:23 +0200 |
| commit | 2e23f544135e7b5fc2f0bcb6fa935c4b4f5058b2 (patch) | |
| tree | 30e0d6ad02fdcc8433617b8d0889a41a380ac480 /arch/powerpc/kvm/book3s.c | |
| parent | e14e7a1e537d6e18f9c511f25c25c5efb7799fb5 (diff) | |
| download | linux-stable-2e23f544135e7b5fc2f0bcb6fa935c4b4f5058b2.tar.gz linux-stable-2e23f544135e7b5fc2f0bcb6fa935c4b4f5058b2.tar.bz2 linux-stable-2e23f544135e7b5fc2f0bcb6fa935c4b4f5058b2.zip | |
KVM: PPC: Book3S PR: Expose EBB registers
POWER8 introduces a new facility called the "Event Based Branch" facility.
It contains of a few registers that indicate where a guest should branch to
when a defined event occurs and it's in PR mode.
We don't want to really enable EBB as it will create a big mess with !PR guest
mode while hardware is in PR and we don't really emulate the PMU anyway.
So instead, let's just leave it at emulation of all its registers.
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'arch/powerpc/kvm/book3s.c')
| -rw-r--r-- | arch/powerpc/kvm/book3s.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c index 4046a1a91a75..52c654dbd41a 100644 --- a/arch/powerpc/kvm/book3s.c +++ b/arch/powerpc/kvm/book3s.c @@ -637,6 +637,15 @@ int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg) case KVM_REG_PPC_TAR: val = get_reg_val(reg->id, vcpu->arch.tar); break; + case KVM_REG_PPC_EBBHR: + val = get_reg_val(reg->id, vcpu->arch.ebbhr); + break; + case KVM_REG_PPC_EBBRR: + val = get_reg_val(reg->id, vcpu->arch.ebbrr); + break; + case KVM_REG_PPC_BESCR: + val = get_reg_val(reg->id, vcpu->arch.bescr); + break; default: r = -EINVAL; break; @@ -732,6 +741,15 @@ int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg) case KVM_REG_PPC_TAR: vcpu->arch.tar = set_reg_val(reg->id, val); break; + case KVM_REG_PPC_EBBHR: + vcpu->arch.ebbhr = set_reg_val(reg->id, val); + break; + case KVM_REG_PPC_EBBRR: + vcpu->arch.ebbrr = set_reg_val(reg->id, val); + break; + case KVM_REG_PPC_BESCR: + vcpu->arch.bescr = set_reg_val(reg->id, val); + break; default: r = -EINVAL; break; |