/* * 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 #include #include #include 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"); }