diff options
Diffstat (limited to 'arch/ia64')
| -rw-r--r-- | arch/ia64/kvm/kvm-ia64.c | 37 |
1 files changed, 35 insertions, 2 deletions
diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c index cd0d1a7284b..7ad759e3429 100644 --- a/arch/ia64/kvm/kvm-ia64.c +++ b/arch/ia64/kvm/kvm-ia64.c @@ -179,6 +179,7 @@ int kvm_dev_ioctl_check_extension(long ext) switch (ext) { case KVM_CAP_IRQCHIP: case KVM_CAP_USER_MEMORY: + case KVM_CAP_MP_STATE: r = 1; break; @@ -1789,11 +1790,43 @@ int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu) int kvm_arch_vcpu_ioctl_get_mpstate(struct kvm_vcpu *vcpu, struct kvm_mp_state *mp_state) { - return -EINVAL; + vcpu_load(vcpu); + mp_state->mp_state = vcpu->arch.mp_state; + vcpu_put(vcpu); + return 0; +} + +static int vcpu_reset(struct kvm_vcpu *vcpu) +{ + int r; + long psr; + local_irq_save(psr); + r = kvm_insert_vmm_mapping(vcpu); + if (r) + goto fail; + + vcpu->arch.launched = 0; + kvm_arch_vcpu_uninit(vcpu); + r = kvm_arch_vcpu_init(vcpu); + if (r) + goto fail; + + kvm_purge_vmm_mapping(vcpu); + r = 0; +fail: + local_irq_restore(psr); + return r; } int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu, struct kvm_mp_state *mp_state) { - return -EINVAL; + int r = 0; + + vcpu_load(vcpu); + vcpu->arch.mp_state = mp_state->mp_state; + if (vcpu->arch.mp_state == KVM_MP_STATE_UNINITIALIZED) + r = vcpu_reset(vcpu); + vcpu_put(vcpu); + return r; } |