diff options
Diffstat (limited to 'xen/arch/x86/hvm/hvm.c')
| -rw-r--r-- | xen/arch/x86/hvm/hvm.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c index b118195c94..29452a2daf 100644 --- a/xen/arch/x86/hvm/hvm.c +++ b/xen/arch/x86/hvm/hvm.c @@ -985,6 +985,16 @@ int hvm_vcpu_initialise(struct vcpu *v) /* Register ioreq event channel. */ v->arch.hvm_vcpu.xen_port = rc; + + if ( v->vcpu_id == 0 ) + { + /* Create bufioreq event channel. */ + rc = alloc_unbound_xen_event_channel(v, 0); + if ( rc < 0 ) + goto fail2; + v->domain->arch.hvm_domain.params[HVM_PARAM_BUFIOREQ_EVTCHN] = rc; + } + spin_lock(&v->domain->arch.hvm_domain.ioreq.lock); if ( v->domain->arch.hvm_domain.ioreq.va != NULL ) get_ioreq(v)->vp_eport = v->arch.hvm_vcpu.xen_port; @@ -3597,6 +3607,9 @@ long do_hvm_op(unsigned long op, XEN_GUEST_HANDLE(void) arg) if ( rc == 0 ) rc = nestedhvm_vcpu_initialise(v); break; + case HVM_PARAM_BUFIOREQ_EVTCHN: + rc = -EINVAL; + break; } if ( rc == 0 ) |