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David Vrabel
daacd357a9
Signed-off-by: David Vrabel <david.vrabel@citrix.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Acked-by: Ian Campbell <ian.campbell@citrix.com>
37 lines
641 B
C
37 lines
641 B
C
/*
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* hvm_param.c: get/set HVM params.
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*
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* Copyright (C) 2014 Citrix Systems R&D Ltd.
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*/
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#include "util.h"
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#include "config.h"
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#include "hypercall.h"
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#include <xen/hvm/params.h>
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int hvm_param_get(uint32_t index, uint64_t *value)
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{
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struct xen_hvm_param p;
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int ret;
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p.domid = DOMID_SELF;
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p.index = index;
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ret = hypercall_hvm_op(HVMOP_get_param, &p);
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if (ret == 0)
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*value = p.value;
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return ret;
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}
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int hvm_param_set(uint32_t index, uint64_t value)
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{
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struct xen_hvm_param p;
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p.domid = DOMID_SELF;
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p.index = index;
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p.value = value;
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return hypercall_hvm_op(HVMOP_set_param, &p);
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}
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