Revision 761290309939743ddf97e2bd94c6da18c6436b79 authored by Christoph Hellwig on 07 August 2012, 06:02:02 UTC, committed by Ben Myers on 23 August 2012, 19:48:32 UTC
Also update some commens in the area to make the code easier to read. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Mark Tinguely <tinguely@sgi.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Ben Myers <bpm@sgi.com>
1 parent 0b9e3f6
hvm.h
/* 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__ */
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