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kvm: powerpc: book3s: Allow the HV and PR selection per virtual machine

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This moves the kvmppc_ops callbacks to be a per VM entity. This
enables us to select HV and PR mode when creating a VM. We also
allow both kvm-hv and kvm-pr kernel module to be loaded. To
achieve this we move /dev/kvm ownership to kvm.ko module. Depending on
which KVM mode we select during VM creation we take a reference
count on respective module

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
[agraf: fix coding style]
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Aneesh Kumar K.V
2013-10-07 22:18:01 +05:30
committed by Alexander Graf
parent 5587027ce9
commit cbbc58d4fd
14 changed files with 186 additions and 90 deletions
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11
arch/powerpc/kvm/emulate.c
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@@ -130,8 +130,8 @@ static int kvmppc_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
case SPRN_PIR: break;
default:
emulated = kvmppc_ops->emulate_mtspr(vcpu, sprn,
spr_val);
emulated = vcpu->kvm->arch.kvm_ops->emulate_mtspr(vcpu, sprn,
spr_val);
if (emulated == EMULATE_FAIL)
printk(KERN_INFO "mtspr: unknown spr "
"0x%x\n", sprn);
@@ -191,8 +191,8 @@ static int kvmppc_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
spr_val = kvmppc_get_dec(vcpu, get_tb());
break;
default:
emulated = kvmppc_ops->emulate_mfspr(vcpu, sprn,
&spr_val);
emulated = vcpu->kvm->arch.kvm_ops->emulate_mfspr(vcpu, sprn,
&spr_val);
if (unlikely(emulated == EMULATE_FAIL)) {
printk(KERN_INFO "mfspr: unknown spr "
"0x%x\n", sprn);
@@ -464,7 +464,8 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
}
if (emulated == EMULATE_FAIL) {
emulated = kvmppc_ops->emulate_op(run, vcpu, inst, &advance);
emulated = vcpu->kvm->arch.kvm_ops->emulate_op(run, vcpu, inst,
&advance);
if (emulated == EMULATE_AGAIN) {
advance = 0;
} else if (emulated == EMULATE_FAIL) {