1450N/A/*
1450N/A * Copyright (c) 2006, 2012, Oracle and/or its affiliates. All rights reserved.
1450N/A *
1450N/A * Permission is hereby granted, free of charge, to any person obtaining a
1450N/A * copy of this software and associated documentation files (the "Software"),
1450N/A * to deal in the Software without restriction, including without limitation
1450N/A * the rights to use, copy, modify, merge, publish, distribute, sublicense,
1450N/A * and/or sell copies of the Software, and to permit persons to whom the
1450N/A * Software is furnished to do so, subject to the following conditions:
1450N/A *
1450N/A * The above copyright notice and this permission notice (including the next
1450N/A * paragraph) shall be included in all copies or substantial portions of the
1450N/A * Software.
1450N/A *
1450N/A * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
1450N/A * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
1450N/A * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
1450N/A * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
1450N/A * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
1450N/A * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
1450N/A * DEALINGS IN THE SOFTWARE.
1450N/A */
1450N/A
1450N/A/*
1450N/A * Copyright (c) 2012 Intel Corporation. All rights reserved.
1450N/A */
1450N/A
1450N/A#include "drmP.h"
1450N/A#include <sys/kstat.h>
1450N/A#include <sys/ddi.h>
1450N/A#include <sys/sunddi.h>
1450N/A#include <sys/sunldi.h>
1450N/A
1450N/Astatic char *drmkstat_name[] = {
1450N/A "opens",
1450N/A "closes",
1450N/A "IOCTLs",
1450N/A "locks",
1450N/A "unlocks",
1450N/A NULL
1450N/A};
1450N/A
1450N/Astatic int
1450N/Adrm_kstat_update(kstat_t *ksp, int flag)
1450N/A{
1450N/A struct drm_device *sc;
1450N/A kstat_named_t *knp;
1450N/A int tmp;
1450N/A
1450N/A if (flag != KSTAT_READ)
1450N/A return (EACCES);
1450N/A
1450N/A sc = ksp->ks_private;
1450N/A knp = ksp->ks_data;
1450N/A
1450N/A for (tmp = 1; tmp < 6; tmp++) {
1450N/A (knp++)->value.ui32 = sc->counts[tmp];
1450N/A }
1450N/A
1450N/A return (0);
1450N/A}
1450N/A
1450N/Aint
1450N/Adrm_init_kstats(struct drm_device *sc)
1450N/A{
1450N/A int instance;
1450N/A kstat_t *ksp;
1450N/A kstat_named_t *knp;
1450N/A char *np;
1450N/A char **aknp;
1450N/A
1450N/A instance = ddi_get_instance(sc->devinfo);
1450N/A aknp = drmkstat_name;
1450N/A ksp = kstat_create("drm", instance, "drminfo", "drm",
1450N/A KSTAT_TYPE_NAMED, sizeof (drmkstat_name)/sizeof (char *) - 1,
1450N/A KSTAT_FLAG_PERSISTENT);
1450N/A if (ksp == NULL)
1450N/A return (NULL);
1450N/A
1450N/A ksp->ks_private = sc;
1450N/A ksp->ks_update = drm_kstat_update;
1450N/A for (knp = ksp->ks_data; (np = (*aknp)) != NULL; knp++, aknp++) {
1450N/A kstat_named_init(knp, np, KSTAT_DATA_UINT32);
1450N/A }
1450N/A kstat_install(ksp);
1450N/A
1450N/A sc->asoft_ksp = ksp;
1450N/A
1450N/A return (0);
1450N/A}
1450N/A
1450N/Avoid
1450N/Adrm_fini_kstats(struct drm_device *sc)
1450N/A{
1450N/A if (sc->asoft_ksp)
1450N/A kstat_delete(sc->asoft_ksp);
1450N/A else
1450N/A cmn_err(CE_WARN, "attempt to delete null kstat");
1450N/A}