vmid_usage
struct vmid_usage vmids = vm_helper->hubp_vmid_usage[hubp_idx];
vmids.vmid_usage[0] = vmids.vmid_usage[1];
vmids.vmid_usage[1] = 1 << pos;
in_use |= dc->vm_helper->hubp_vmid_usage[i].vmid_usage[0]
| dc->vm_helper->hubp_vmid_usage[i].vmid_usage[1];
int vmid_usage[2];
struct vmid_usage hubp_vmid_usage[MAX_HUBP];