xen: Add support for HVM hypercalls.
[linux-2.6.git] / 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 int hvm_get_parameter(int idx, uint64_t *value)
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 r;
19         }
20         *value = xhv.value;
21         return r;
22 }
23
24 #endif /* XEN_HVM_H__ */