xref: /illumos-gate/usr/src/uts/sun4u/sys/ecc_kstat.h (revision 7c478bd9)
1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate  *
4*7c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate  * with the License.
8*7c478bd9Sstevel@tonic-gate  *
9*7c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate  * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate  *
14*7c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate  *
20*7c478bd9Sstevel@tonic-gate  * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate  */
22*7c478bd9Sstevel@tonic-gate 
23*7c478bd9Sstevel@tonic-gate /*
24*7c478bd9Sstevel@tonic-gate  * Copyright (c) 2001 by Sun Microsystems, Inc.
25*7c478bd9Sstevel@tonic-gate  * All rights reserved.
26*7c478bd9Sstevel@tonic-gate  */
27*7c478bd9Sstevel@tonic-gate 
28*7c478bd9Sstevel@tonic-gate #ifndef	_SYS_ECC_KSTAT_H
29*7c478bd9Sstevel@tonic-gate #define	_SYS_ECC_KSTAT_H
30*7c478bd9Sstevel@tonic-gate 
31*7c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
32*7c478bd9Sstevel@tonic-gate 
33*7c478bd9Sstevel@tonic-gate #ifdef	__cplusplus
34*7c478bd9Sstevel@tonic-gate extern "C" {
35*7c478bd9Sstevel@tonic-gate #endif
36*7c478bd9Sstevel@tonic-gate 
37*7c478bd9Sstevel@tonic-gate #define	KSTAT_CE_UNUM_NAMLEN 60
38*7c478bd9Sstevel@tonic-gate 
39*7c478bd9Sstevel@tonic-gate /*
40*7c478bd9Sstevel@tonic-gate  * Using these stats are not reset to zero during system operation.
41*7c478bd9Sstevel@tonic-gate  * To determine the number of errors between times "A" and "B" a program
42*7c478bd9Sstevel@tonic-gate  * would have to snapshot the kstats and subtract the counts at time "A"
43*7c478bd9Sstevel@tonic-gate  * from the counts at time "B".
44*7c478bd9Sstevel@tonic-gate  */
45*7c478bd9Sstevel@tonic-gate 
46*7c478bd9Sstevel@tonic-gate /*
47*7c478bd9Sstevel@tonic-gate  * Legacy raw kstat: unix:0:ecc-mm-info
48*7c478bd9Sstevel@tonic-gate  */
49*7c478bd9Sstevel@tonic-gate struct kstat_ecc_mm_info_1 {
50*7c478bd9Sstevel@tonic-gate 	struct kstat_ecc_mm {
51*7c478bd9Sstevel@tonic-gate 		char name[KSTAT_CE_UNUM_NAMLEN];
52*7c478bd9Sstevel@tonic-gate 		uint64_t intermittent_total;
53*7c478bd9Sstevel@tonic-gate 		uint64_t persistent_total;
54*7c478bd9Sstevel@tonic-gate 		uint64_t sticky_total;
55*7c478bd9Sstevel@tonic-gate 	} ecc_mm[1];    /* variable-length array */
56*7c478bd9Sstevel@tonic-gate };
57*7c478bd9Sstevel@tonic-gate 
58*7c478bd9Sstevel@tonic-gate /*
59*7c478bd9Sstevel@tonic-gate  * Named kstat: mm:(instance):ecc-info
60*7c478bd9Sstevel@tonic-gate  */
61*7c478bd9Sstevel@tonic-gate struct kstat_ecc_mm_info_2 {
62*7c478bd9Sstevel@tonic-gate 	struct kstat_named name;
63*7c478bd9Sstevel@tonic-gate 	struct kstat_named intermittent_total;
64*7c478bd9Sstevel@tonic-gate 	struct kstat_named persistent_total;
65*7c478bd9Sstevel@tonic-gate 	struct kstat_named sticky_total;
66*7c478bd9Sstevel@tonic-gate };
67*7c478bd9Sstevel@tonic-gate 
68*7c478bd9Sstevel@tonic-gate #define	kstat_ecc_mm_info	kstat_ecc_mm_info_2
69*7c478bd9Sstevel@tonic-gate #define	KSTAT_CE_INFO_VER_1	1
70*7c478bd9Sstevel@tonic-gate #define	KSTAT_CE_INFO_VER_2	2
71*7c478bd9Sstevel@tonic-gate #define	KSTAT_CE_INFO_VER	KSTAT_CE_INFO_VER_2
72*7c478bd9Sstevel@tonic-gate 
73*7c478bd9Sstevel@tonic-gate /*
74*7c478bd9Sstevel@tonic-gate  * Clients of this kstat will have to check the version and maintain
75*7c478bd9Sstevel@tonic-gate  * compatibility code to handle the previous versions.
76*7c478bd9Sstevel@tonic-gate  *
77*7c478bd9Sstevel@tonic-gate  * named kstat: unix:0:ecc-info:version
78*7c478bd9Sstevel@tonic-gate  *	- the version of the kstats implemented by the running kernel
79*7c478bd9Sstevel@tonic-gate  *
80*7c478bd9Sstevel@tonic-gate  * named kstat: unix:0:ecc-info:count
81*7c478bd9Sstevel@tonic-gate  *	- the current count of valid mm:ecc-info kstats
82*7c478bd9Sstevel@tonic-gate  *
83*7c478bd9Sstevel@tonic-gate  * named kstat: unix:0:ecc-info:maxcount
84*7c478bd9Sstevel@tonic-gate  *	- the maximum number of mm:ecc-info kstats
85*7c478bd9Sstevel@tonic-gate  */
86*7c478bd9Sstevel@tonic-gate struct ecc_error_info {
87*7c478bd9Sstevel@tonic-gate 	struct kstat_named version;
88*7c478bd9Sstevel@tonic-gate 	struct kstat_named maxcount;
89*7c478bd9Sstevel@tonic-gate 	struct kstat_named count;
90*7c478bd9Sstevel@tonic-gate };
91*7c478bd9Sstevel@tonic-gate 
92*7c478bd9Sstevel@tonic-gate #ifdef	__cplusplus
93*7c478bd9Sstevel@tonic-gate }
94*7c478bd9Sstevel@tonic-gate #endif
95*7c478bd9Sstevel@tonic-gate 
96*7c478bd9Sstevel@tonic-gate #endif	/* _SYS_ECC_KSTAT_H */
97