acrn-kernel/include/xen/hvm.h

31 lines
695 B
C
Raw Normal View History

/* Simple wrappers around HVM functions */
#ifndef XEN_HVM_H__
#define XEN_HVM_H__
#include <xen/interface/hvm/params.h>
#include <asm/xen/hypercall.h>
static inline int hvm_get_parameter(int idx, uint64_t *value)
{
struct xen_hvm_param xhv;
int r;
xhv.domid = DOMID_SELF;
xhv.index = idx;
r = HYPERVISOR_hvm_op(HVMOP_get_param, &xhv);
if (r < 0) {
printk(KERN_ERR "Cannot get hvm parameter %d: %d!\n",
idx, r);
return r;
}
*value = xhv.value;
return r;
}
#define HVM_CALLBACK_VIA_TYPE_VECTOR 0x2
#define HVM_CALLBACK_VIA_TYPE_SHIFT 56
#define HVM_CALLBACK_VECTOR(x) (((uint64_t)HVM_CALLBACK_VIA_TYPE_VECTOR)<<\
HVM_CALLBACK_VIA_TYPE_SHIFT | (x))
#endif /* XEN_HVM_H__ */