From: Michael Neuling <mikey@xxxxxxxxxxx>
This add setting the CIABR via the H_SET_MODE hcall. This is set per cpu.
Signed-off-by: Michael Neuling <mikey@xxxxxxxxxxx>
Signed-off-by: Paul Mackerras <paulus@xxxxxxxxx>
---
arch/powerpc/kvm/book3s_hv.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 3bafc6f..ca21ec2 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -568,6 +568,17 @@ static int kvmppc_h_set_mode(struct kvm_vcpu *vcpu, unsigned long mflags,
int n;
switch (resource) {
+ case H_SET_MODE_RESOURCE_SET_CIABR:
+ if (!kvmppc_power8_compatible(vcpu))
+ return H_P2;
+ if (value2)
+ return H_P4;
+ if (mflags)
+ return H_UNSUPPORTED_FLAG_START;
+ if ((value1 & 0x3) == 0x3)
+ return H_P3;
+ vcpu->arch.ciabr = value1;
+ return H_SUCCESS;
case H_SET_MODE_RESOURCE_SET_DAWR:
if (!kvmppc_power8_compatible(vcpu))
return H_P2;
--
1.8.4.2
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