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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _CMT_H
#define _CMT_H
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* CMT PG class
*/
#ifdef __cplusplus
extern "C" {
#endif
#if (defined(_KERNEL) || defined(_KMEMUSER))
#include <sys/group.h>
#include <sys/pghw.h>
#include <sys/types.h>
/*
* CMT pg structure
*/
typedef struct pg_cmt {
struct pghw cmt_pg; /* physical grouping */
struct group *cmt_siblings; /* CMT PGs to balance with */
struct pg_cmt *cmt_parent; /* Parent CMT PG */
struct group *cmt_children; /* Active children CMT PGs */
int cmt_nchildren; /* # of children CMT PGs */
int cmt_hint; /* hint for balancing */
uint32_t cmt_nrunning; /* # of running threads */
struct group cmt_cpus_actv;
bitset_t cmt_cpus_actv_set; /* bitset of active CPUs */
} pg_cmt_t;
/*
* Change the number of running threads on the pg
*/
#define PG_NRUN_UPDATE(cp, n) (pg_cmt_load((cp), (n)))
void pg_cmt_load(cpu_t *, int);
void pg_cmt_cpu_startup(cpu_t *);
int pg_cmt_can_migrate(cpu_t *, cpu_t *);
int pg_plat_cmt_load_bal_hw(pghw_type_t);
int pg_plat_cmt_affinity_hw(pghw_type_t);
#endif /* !_KERNEL && !_KMEMUSER */
#ifdef __cplusplus
}
#endif
#endif /* _CMT_H */
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