pghw.h revision fb2f18f820d90b001aea4fb27dd654bc1263c440
/*
* 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
* 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 _PGHW_H
#define _PGHW_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/processor.h>
/*
* Hardware that may be shared by a group of processors
*/
typedef enum pghw_type {
} pghw_type_t;
/*
* Consider the physical processor sharing relationship
* equivalant to a shared pipe to memory.
*/
#define PGHW_CHIP PGHW_MPIPE
/*
* Anonymous instance id
*/
/*
* Processor Group (physical sharing relationship)
*/
typedef struct pghw {
} pghw_t;
/*
* IDs associating a CPU with various physical hardware
*/
typedef struct cpu_physid {
} cpu_physid_t;
/*
* Physical PG initialization / CPU service hooks
*/
/*
* Physical ID cache creation / destruction
*/
void pghw_physid_create(cpu_t *);
void pghw_physid_destroy(cpu_t *);
/*
* CPU / PG hardware related seach operations
*/
int pghw_level(pghw_type_t);
void pghw_kstat_create(pghw_t *);
int pghw_kstat_update(kstat_t *, int);
/* Hardware sharing relationship platform interfaces */
int pg_plat_hw_level(pghw_type_t);
/*
* What comprises a "core" may vary across processor implementations,
* and so the term itself is somewhat unstable. For this reason, there
* is no PGHW_CORE type, but we provide an interface here to allow platforms
* to express cpu <=> core mappings.
*/
#endif /* !_KERNEL && !_KMEMUSER */
#ifdef __cplusplus
}
#endif
#endif /* _PGHW_H */