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/*
* Copyright (c) 2006, 2012, Oracle and/or its affiliates. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
/*
* Copyright (c) 2012 Intel Corporation. All rights reserved.
*/
#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)
{
struct drm_device *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(struct drm_device *sc)
{
int instance;
kstat_t *ksp;
kstat_named_t *knp;
char *np;
char **aknp;
instance = ddi_get_instance(sc->devinfo);
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 (0);
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(struct drm_device *sc)
{
if (sc->asoft_ksp)
kstat_delete(sc->asoft_ksp);
else
cmn_err(CE_WARN, "attempt to delete null kstat");
}
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