include/xen/hvm.h

   1 /* Simple wrappers around HVM functions */
   2 #ifndef XEN_HVM_H__
   3 #define XEN_HVM_H__
   4
   5 #include <xen/interface/hvm/params.h>
   6
   7 static inline unsigned long hvm_get_parameter(int idx)
   8 {
   9         struct xen_hvm_param xhv;
  10         int r;
  11
  12         xhv.domid = DOMID_SELF;
  13         xhv.index = idx;
  14         r = HYPERVISOR_hvm_op(HVMOP_get_param, &xhv);
  15         if (r < 0) {
  16                 printk(KERN_ERR "cannot get hvm parameter %d: %d.\n",
  17                        idx, r);
  18                 return 0;
  19         }
  20         return xhv.value;
  21 }
  22
  23 #endif /* XEN_HVM_H__ */