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52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
/******************************************************************************
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* xc_atropos.c
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*
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* API for manipulating parameters of the Atropos scheduler.
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*
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* by Mark Williamson, Copyright (c) 2004 Intel Research Cambridge.
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*/
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#include "xc_private.h"
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int xc_atropos_domain_set(int xc_handle,
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u32 domid, u64 period, u64 slice, u64 latency,
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int xtratime)
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{
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dom0_op_t op;
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struct atropos_adjdom *p = &op.u.adjustdom.u.atropos;
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op.cmd = DOM0_ADJUSTDOM;
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op.u.adjustdom.domain = (domid_t)domid;
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op.u.adjustdom.sched_id = SCHED_ATROPOS;
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op.u.adjustdom.direction = SCHED_INFO_PUT;
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p->nat_period = period;
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p->nat_slice = slice;
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p->latency = latency;
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p->xtratime = xtratime;
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return do_dom0_op(xc_handle, &op);
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}
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int xc_atropos_domain_get(int xc_handle, u32 domid, u64 *period,
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u64 *slice, u64 *latency, int *xtratime)
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{
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dom0_op_t op;
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int ret;
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struct atropos_adjdom *p = &op.u.adjustdom.u.atropos;
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op.cmd = DOM0_ADJUSTDOM;
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op.u.adjustdom.domain = (domid_t)domid;
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op.u.adjustdom.sched_id = SCHED_ATROPOS;
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op.u.adjustdom.direction = SCHED_INFO_GET;
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ret = do_dom0_op(xc_handle, &op);
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*period = p->nat_period;
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*slice = p->nat_slice;
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*latency = p->latency;
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*xtratime = p->xtratime;
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return ret;
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}
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