1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
/*
* 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 2008 Sun Microsystems, Inc.
* All rights reserved. Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include "drmP.h"
#include <sys/kstat.h>
#include <sys/ddi.h>
#include <sys/sunddi.h>
#include <sys/sunldi.h>
static char *drmkstat_name[] = {
"opens",
"closes",
"IOCTLs",
"locks",
"unlocks",
NULL
};
static int
drm_kstat_update(kstat_t *ksp, int flag)
{
drm_device_t *sc;
kstat_named_t *knp;
int tmp;
if (flag != KSTAT_READ)
return (EACCES);
sc = ksp->ks_private;
knp = ksp->ks_data;
for (tmp = 1; tmp < 6; tmp++) {
(knp++)->value.ui32 = sc->counts[tmp];
}
return (0);
}
int
drm_init_kstats(drm_device_t *sc)
{
int instance;
kstat_t *ksp;
kstat_named_t *knp;
char *np;
char **aknp;
instance = ddi_get_instance(sc->dip);
aknp = drmkstat_name;
ksp = kstat_create("drm", instance, "drminfo", "drm",
KSTAT_TYPE_NAMED, sizeof (drmkstat_name)/sizeof (char *) - 1,
KSTAT_FLAG_PERSISTENT);
if (ksp == NULL)
return (NULL);
ksp->ks_private = sc;
ksp->ks_update = drm_kstat_update;
for (knp = ksp->ks_data; (np = (*aknp)) != NULL; knp++, aknp++) {
kstat_named_init(knp, np, KSTAT_DATA_UINT32);
}
kstat_install(ksp);
sc->asoft_ksp = ksp;
return (0);
}
void
drm_fini_kstats(drm_device_t *sc)
{
if (sc->asoft_ksp)
kstat_delete(sc->asoft_ksp);
else
cmn_err(CE_WARN, "attempt to delete null kstat");
}
|
