blob: 80895a84ef909454bac088f964d9a2c84808da83 [file] [log] [blame]
/*
* Copyright (c) 2021 EPAM Systems
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <arch/arm64/hypercall.h>
#include <xen/hvm.h>
#include <xen/public/hvm/hvm_op.h>
#include <xen/public/hvm/params.h>
#include <kernel.h>
int hvm_set_parameter(int idx, uint64_t value)
{
struct xen_hvm_param xhv;
xhv.domid = DOMID_SELF;
xhv.index = idx;
xhv.value = value;
return HYPERVISOR_hvm_op(HVMOP_set_param, &xhv);
}
int hvm_get_parameter(int idx, uint64_t *value)
{
int ret = 0;
struct xen_hvm_param xhv;
xhv.domid = DOMID_SELF;
xhv.index = idx;
ret = HYPERVISOR_hvm_op(HVMOP_get_param, &xhv);
if (ret < 0)
return ret;
*value = xhv.value;
return ret;
}