[linux.git] / include / xen / 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__ */
Commit	Line	Data
18f19aa6 JF	1	/* Simple wrappers around HVM functions */
	2	#ifndef XEN_HVM_H__
	3	#define XEN_HVM_H__
	4
	5	#include <xen/interface/hvm/params.h>
38e20b07	6	#include <asm/xen/hypercall.h>
18f19aa6 JF	7
	8	static inline int hvm_get_parameter(int idx, uint64_t *value)
	9	{
	10	struct xen_hvm_param xhv;
	11	int r;
	12
	13	xhv.domid = DOMID_SELF;
	14	xhv.index = idx;
	15	r = HYPERVISOR_hvm_op(HVMOP_get_param, &xhv);
	16	if (r < 0) {
	17	printk(KERN_ERR "Cannot get hvm parameter %d: %d!\n",
	18	idx, r);
	19	return r;
	20	}
	21	*value = xhv.value;
	22	return r;
	23	}
	24
38e20b07 SY	25	#define HVM_CALLBACK_VIA_TYPE_VECTOR 0x2
	26	#define HVM_CALLBACK_VIA_TYPE_SHIFT 56
	27	#define HVM_CALLBACK_VECTOR(x) (((uint64_t)HVM_CALLBACK_VIA_TYPE_VECTOR)<<\
	28	HVM_CALLBACK_VIA_TYPE_SHIFT \| (x))
	29
18f19aa6	30	#endif /* XEN_HVM_H__ */