ecc_kstat.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 (c) 2001 by Sun Microsystems, Inc.
* All rights reserved.
*/
#ifndef _SYS_ECC_KSTAT_H
#define _SYS_ECC_KSTAT_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
#define KSTAT_CE_UNUM_NAMLEN 60
/*
* Using these stats are not reset to zero during system operation.
* To determine the number of errors between times "A" and "B" a program
* would have to snapshot the kstats and subtract the counts at time "A"
* from the counts at time "B".
*/
/*
* Legacy raw kstat: unix:0:ecc-mm-info
*/
struct kstat_ecc_mm_info_1 {
struct kstat_ecc_mm {
char name[KSTAT_CE_UNUM_NAMLEN];
};
/*
* Named kstat: mm:(instance):ecc-info
*/
struct kstat_ecc_mm_info_2 {
struct kstat_named name;
struct kstat_named intermittent_total;
struct kstat_named persistent_total;
struct kstat_named sticky_total;
};
#define kstat_ecc_mm_info kstat_ecc_mm_info_2
#define KSTAT_CE_INFO_VER_1 1
#define KSTAT_CE_INFO_VER_2 2
#define KSTAT_CE_INFO_VER KSTAT_CE_INFO_VER_2
/*
* Clients of this kstat will have to check the version and maintain
* compatibility code to handle the previous versions.
*
* named kstat: unix:0:ecc-info:version
* - the version of the kstats implemented by the running kernel
*
* named kstat: unix:0:ecc-info:count
* - the current count of valid mm:ecc-info kstats
*
* named kstat: unix:0:ecc-info:maxcount
* - the maximum number of mm:ecc-info kstats
*/
struct ecc_error_info {
struct kstat_named version;
struct kstat_named maxcount;
struct kstat_named count;
};
#ifdef __cplusplus
}
#endif
#endif /* _SYS_ECC_KSTAT_H */