93 lines
3.1 KiB
C
93 lines
3.1 KiB
C
/* $NetBSD: sched_ctl.h,v 1.1.1.1 2005/06/22 10:11:52 marttikuparinen Exp $ */
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/*
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* Mark Williamson, (C) 2004 Intel Research Cambridge
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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/**
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* Generic scheduler control interface.
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*
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*/
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#ifndef __XEN_PUBLIC_SCHED_CTL_H__
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#define __XEN_PUBLIC_SCHED_CTL_H__
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/* Scheduler types */
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#define SCHED_BVT 0
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#define SCHED_ATROPOS 2
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#define SCHED_RROBIN 3
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/* these describe the intended direction used for a scheduler control or domain
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* command */
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#define SCHED_INFO_PUT 0
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#define SCHED_INFO_GET 1
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/*
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* Generic scheduler control command - used to adjust system-wide scheduler
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* parameters
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*/
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struct sched_ctl_cmd
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{
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u32 sched_id; /* 0 */
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u32 direction; /* 4 */
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union { /* 8 */
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struct bvt_ctl
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{
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/* IN variables. */
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u32 ctx_allow; /* 8: context switch allowance */
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} PACKED bvt;
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struct rrobin_ctl
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{
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/* IN variables */
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u64 slice; /* 8: round robin time slice */
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} PACKED rrobin;
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} PACKED u;
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} PACKED; /* 16 bytes */
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struct sched_adjdom_cmd
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{
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u32 sched_id; /* 0 */
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u32 direction; /* 4 */
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domid_t domain; /* 8 */
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u16 __pad0;
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u32 __pad1;
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union { /* 16 */
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struct bvt_adjdom
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{
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u32 mcu_adv; /* 16: mcu advance: inverse of weight */
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u32 warpback; /* 20: warp? */
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s32 warpvalue; /* 24: warp value */
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long long warpl; /* 32: warp limit */
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long long warpu; /* 40: unwarp time requirement */
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} PACKED bvt;
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struct atropos_adjdom
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{
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u64 nat_period; /* 16 */
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u64 nat_slice; /* 24 */
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u64 latency; /* 32 */
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u32 xtratime; /* 36 */
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} PACKED atropos;
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} PACKED u;
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} PACKED; /* 40 bytes */
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#endif /* __XEN_PUBLIC_SCHED_CTL_H__ */
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