25cf1a301a396c38e8adf52c15f537b80d2483f7jl/*
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * CDDL HEADER START
25cf1a301a396c38e8adf52c15f537b80d2483f7jl *
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * The contents of this file are subject to the terms of the
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * Common Development and Distribution License (the "License").
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * You may not use this file except in compliance with the License.
25cf1a301a396c38e8adf52c15f537b80d2483f7jl *
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * or http://www.opensolaris.org/os/licensing.
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * See the License for the specific language governing permissions
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * and limitations under the License.
25cf1a301a396c38e8adf52c15f537b80d2483f7jl *
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * When distributing Covered Code, include this CDDL HEADER in each
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * If applicable, add the following below this CDDL HEADER, with the
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * fields enclosed by brackets "[]" replaced with your own identifying
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * information: Portions Copyright [yyyy] [name of copyright owner]
25cf1a301a396c38e8adf52c15f537b80d2483f7jl *
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * CDDL HEADER END
25cf1a301a396c38e8adf52c15f537b80d2483f7jl */
25cf1a301a396c38e8adf52c15f537b80d2483f7jl/*
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * Use is subject to license terms.
25cf1a301a396c38e8adf52c15f537b80d2483f7jl */
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jl#pragma ident "%Z%%M% %I% %E% SMI"
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jl#include <sys/types.h>
25cf1a301a396c38e8adf52c15f537b80d2483f7jl#include <sys/async.h>
25cf1a301a396c38e8adf52c15f537b80d2483f7jl#include <sys/sunddi.h>
25cf1a301a396c38e8adf52c15f537b80d2483f7jl#include <sys/sunndi.h>
25cf1a301a396c38e8adf52c15f537b80d2483f7jl#include <sys/ddi_impldefs.h>
25cf1a301a396c38e8adf52c15f537b80d2483f7jl#include <sys/pcicmu/pcicmu.h>
25cf1a301a396c38e8adf52c15f537b80d2483f7jl#include <sys/machsystm.h>
25cf1a301a396c38e8adf52c15f537b80d2483f7jl#include <sys/kstat.h>
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jlstatic kstat_t *pcmu_create_picN_kstat(char *, int, int, int,
25cf1a301a396c38e8adf52c15f537b80d2483f7jl pcmu_kev_mask_t *);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jlvoid
25cf1a301a396c38e8adf52c15f537b80d2483f7jlpcmu_kstat_create(pcmu_t *pcmu_p)
25cf1a301a396c38e8adf52c15f537b80d2483f7jl{
25cf1a301a396c38e8adf52c15f537b80d2483f7jl pcmu_add_upstream_kstat(pcmu_p);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl}
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jlvoid
25cf1a301a396c38e8adf52c15f537b80d2483f7jlpcmu_kstat_destroy(pcmu_t *pcmu_p)
25cf1a301a396c38e8adf52c15f537b80d2483f7jl{
25cf1a301a396c38e8adf52c15f537b80d2483f7jl pcmu_rem_upstream_kstat(pcmu_p);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl}
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jlvoid
25cf1a301a396c38e8adf52c15f537b80d2483f7jlpcmu_create_name_kstat(char *name, pcmu_ksinfo_t *pp, pcmu_kev_mask_t *ev)
25cf1a301a396c38e8adf52c15f537b80d2483f7jl{
25cf1a301a396c38e8adf52c15f537b80d2483f7jl int i;
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jl for (i = 0; i < NUM_OF_PICS; i++) {
25cf1a301a396c38e8adf52c15f537b80d2483f7jl pp->pic_name_ksp[i] = pcmu_create_picN_kstat(name,
25cf1a301a396c38e8adf52c15f537b80d2483f7jl i, pp->pic_shift[i], pp->pic_no_evs, ev);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jl if (pp->pic_name_ksp[i] == NULL) {
25cf1a301a396c38e8adf52c15f537b80d2483f7jl cmn_err(CE_WARN, "pci: unable to create name kstat");
25cf1a301a396c38e8adf52c15f537b80d2483f7jl }
25cf1a301a396c38e8adf52c15f537b80d2483f7jl }
25cf1a301a396c38e8adf52c15f537b80d2483f7jl}
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jlvoid
25cf1a301a396c38e8adf52c15f537b80d2483f7jlpcmu_delete_name_kstat(pcmu_ksinfo_t *pp)
25cf1a301a396c38e8adf52c15f537b80d2483f7jl{
25cf1a301a396c38e8adf52c15f537b80d2483f7jl int i;
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jl if (pp == NULL) {
25cf1a301a396c38e8adf52c15f537b80d2483f7jl return;
25cf1a301a396c38e8adf52c15f537b80d2483f7jl }
25cf1a301a396c38e8adf52c15f537b80d2483f7jl for (i = 0; i < NUM_OF_PICS; i++) {
25cf1a301a396c38e8adf52c15f537b80d2483f7jl if (pp->pic_name_ksp[i] != NULL)
25cf1a301a396c38e8adf52c15f537b80d2483f7jl kstat_delete(pp->pic_name_ksp[i]);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl }
25cf1a301a396c38e8adf52c15f537b80d2483f7jl}
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jl/*
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * Create the picN kstat. Returns a pointer to the
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * kstat which the driver must store to allow it
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * to be deleted when necessary.
25cf1a301a396c38e8adf52c15f537b80d2483f7jl */
25cf1a301a396c38e8adf52c15f537b80d2483f7jlstatic kstat_t *
25cf1a301a396c38e8adf52c15f537b80d2483f7jlpcmu_create_picN_kstat(char *mod_name, int pic, int pic_shift,
25cf1a301a396c38e8adf52c15f537b80d2483f7jl int num_ev, pcmu_kev_mask_t *ev_array)
25cf1a301a396c38e8adf52c15f537b80d2483f7jl{
25cf1a301a396c38e8adf52c15f537b80d2483f7jl struct kstat_named *pic_named_data;
25cf1a301a396c38e8adf52c15f537b80d2483f7jl int inst = 0;
25cf1a301a396c38e8adf52c15f537b80d2483f7jl int event;
25cf1a301a396c38e8adf52c15f537b80d2483f7jl char pic_name[30];
25cf1a301a396c38e8adf52c15f537b80d2483f7jl kstat_t *picN_ksp = NULL;
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jl (void) sprintf(pic_name, "pic%d", pic);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl if ((picN_ksp = kstat_create(mod_name, inst, pic_name,
25cf1a301a396c38e8adf52c15f537b80d2483f7jl "bus", KSTAT_TYPE_NAMED, num_ev, NULL)) == NULL) {
25cf1a301a396c38e8adf52c15f537b80d2483f7jl cmn_err(CE_WARN, "%s %s : kstat create failed",
25cf1a301a396c38e8adf52c15f537b80d2483f7jl mod_name, pic_name);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jl /*
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * It is up to the calling function to delete any kstats
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * that may have been created already. We just
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * return NULL to indicate an error has occured.
25cf1a301a396c38e8adf52c15f537b80d2483f7jl */
25cf1a301a396c38e8adf52c15f537b80d2483f7jl return (NULL);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl }
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jl pic_named_data = (struct kstat_named *)picN_ksp->ks_data;
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jl /*
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * Write event names and their associated pcr masks. The
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * last entry in the array (clear_pic) is added seperately
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * below as the pic value must be inverted.
25cf1a301a396c38e8adf52c15f537b80d2483f7jl */
25cf1a301a396c38e8adf52c15f537b80d2483f7jl for (event = 0; event < num_ev - 1; event++) {
25cf1a301a396c38e8adf52c15f537b80d2483f7jl pic_named_data[event].value.ui64 =
25cf1a301a396c38e8adf52c15f537b80d2483f7jl (ev_array[event].pcr_mask << pic_shift);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jl kstat_named_init(&pic_named_data[event],
25cf1a301a396c38e8adf52c15f537b80d2483f7jl ev_array[event].event_name, KSTAT_DATA_UINT64);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl }
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jl /*
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * add the clear_pic entry.
25cf1a301a396c38e8adf52c15f537b80d2483f7jl */
25cf1a301a396c38e8adf52c15f537b80d2483f7jl pic_named_data[event].value.ui64 =
25cf1a301a396c38e8adf52c15f537b80d2483f7jl (uint64_t)~(ev_array[event].pcr_mask << pic_shift);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jl kstat_named_init(&pic_named_data[event],
25cf1a301a396c38e8adf52c15f537b80d2483f7jl ev_array[event].event_name, KSTAT_DATA_UINT64);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jl kstat_install(picN_ksp);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl return (picN_ksp);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl}
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jl/*
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * Create the "counters" kstat.
25cf1a301a396c38e8adf52c15f537b80d2483f7jl */
25cf1a301a396c38e8adf52c15f537b80d2483f7jlkstat_t *pcmu_create_cntr_kstat(pcmu_t *pcmu_p, char *name,
25cf1a301a396c38e8adf52c15f537b80d2483f7jl int num_pics, int (*update)(kstat_t *, int),
25cf1a301a396c38e8adf52c15f537b80d2483f7jl void *cntr_addr_p)
25cf1a301a396c38e8adf52c15f537b80d2483f7jl{
25cf1a301a396c38e8adf52c15f537b80d2483f7jl struct kstat_named *counters_named_data;
25cf1a301a396c38e8adf52c15f537b80d2483f7jl struct kstat *counters_ksp;
25cf1a301a396c38e8adf52c15f537b80d2483f7jl dev_info_t *dip = pcmu_p->pcmu_dip;
25cf1a301a396c38e8adf52c15f537b80d2483f7jl char *drv_name = (char *)ddi_driver_name(dip);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl int drv_instance = ddi_get_instance(dip);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl char pic_str[10];
25cf1a301a396c38e8adf52c15f537b80d2483f7jl int i;
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jl /*
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * Size of kstat is num_pics + 1 as it
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * also contains the %pcr
25cf1a301a396c38e8adf52c15f537b80d2483f7jl */
25cf1a301a396c38e8adf52c15f537b80d2483f7jl if ((counters_ksp = kstat_create(name, drv_instance,
25cf1a301a396c38e8adf52c15f537b80d2483f7jl "counters", "bus", KSTAT_TYPE_NAMED, num_pics + 1,
25cf1a301a396c38e8adf52c15f537b80d2483f7jl KSTAT_FLAG_WRITABLE)) == NULL) {
25cf1a301a396c38e8adf52c15f537b80d2483f7jl cmn_err(CE_WARN, "%s%d counters kstat_create failed",
25cf1a301a396c38e8adf52c15f537b80d2483f7jl drv_name, drv_instance);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl return (NULL);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl }
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jl counters_named_data = (struct kstat_named *)(counters_ksp->ks_data);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jl /* initialize the named kstats */
25cf1a301a396c38e8adf52c15f537b80d2483f7jl kstat_named_init(&counters_named_data[0], "pcr", KSTAT_DATA_UINT64);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jl for (i = 0; i < num_pics; i++) {
25cf1a301a396c38e8adf52c15f537b80d2483f7jl (void) sprintf(pic_str, "pic%d", i);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl kstat_named_init(&counters_named_data[i+1],
25cf1a301a396c38e8adf52c15f537b80d2483f7jl pic_str, KSTAT_DATA_UINT64);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl }
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jl /*
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * Store the register offset's in the kstat's
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * private field so that they are available
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * to the update function.
25cf1a301a396c38e8adf52c15f537b80d2483f7jl */
25cf1a301a396c38e8adf52c15f537b80d2483f7jl counters_ksp->ks_private = (void *)cntr_addr_p;
25cf1a301a396c38e8adf52c15f537b80d2483f7jl counters_ksp->ks_update = update;
25cf1a301a396c38e8adf52c15f537b80d2483f7jl kstat_install(counters_ksp);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl return (counters_ksp);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl}
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jl/*
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * kstat update function. Handles reads/writes
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * from/to kstat.
25cf1a301a396c38e8adf52c15f537b80d2483f7jl */
25cf1a301a396c38e8adf52c15f537b80d2483f7jlint
25cf1a301a396c38e8adf52c15f537b80d2483f7jlpcmu_cntr_kstat_update(kstat_t *ksp, int rw)
25cf1a301a396c38e8adf52c15f537b80d2483f7jl{
25cf1a301a396c38e8adf52c15f537b80d2483f7jl struct kstat_named *data_p;
25cf1a301a396c38e8adf52c15f537b80d2483f7jl pcmu_cntr_addr_t *cntr_addr_p = ksp->ks_private;
25cf1a301a396c38e8adf52c15f537b80d2483f7jl uint64_t pic;
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jl data_p = (struct kstat_named *)ksp->ks_data;
25cf1a301a396c38e8adf52c15f537b80d2483f7jl if (rw == KSTAT_WRITE) {
25cf1a301a396c38e8adf52c15f537b80d2483f7jl *cntr_addr_p->pcr_addr = data_p[0].value.ui64;
25cf1a301a396c38e8adf52c15f537b80d2483f7jl return (0);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl } else {
25cf1a301a396c38e8adf52c15f537b80d2483f7jl pic = *cntr_addr_p->pic_addr;
25cf1a301a396c38e8adf52c15f537b80d2483f7jl data_p[0].value.ui64 = *cntr_addr_p->pcr_addr;
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jl /* pic0 : lo 32 bits */
25cf1a301a396c38e8adf52c15f537b80d2483f7jl data_p[1].value.ui64 = (pic <<32) >> 32;
25cf1a301a396c38e8adf52c15f537b80d2483f7jl /* pic1 : hi 32 bits */
25cf1a301a396c38e8adf52c15f537b80d2483f7jl data_p[2].value.ui64 = pic >> 32;
25cf1a301a396c38e8adf52c15f537b80d2483f7jl }
25cf1a301a396c38e8adf52c15f537b80d2483f7jl return (0);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl}
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jl/*
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * kstat update function using physical addresses.
25cf1a301a396c38e8adf52c15f537b80d2483f7jl */
25cf1a301a396c38e8adf52c15f537b80d2483f7jlint
25cf1a301a396c38e8adf52c15f537b80d2483f7jlpcmu_cntr_kstat_pa_update(kstat_t *ksp, int rw)
25cf1a301a396c38e8adf52c15f537b80d2483f7jl{
25cf1a301a396c38e8adf52c15f537b80d2483f7jl struct kstat_named *data_p;
25cf1a301a396c38e8adf52c15f537b80d2483f7jl pcmu_cntr_pa_t *cntr_pa_p = (pcmu_cntr_pa_t *)ksp->ks_private;
25cf1a301a396c38e8adf52c15f537b80d2483f7jl uint64_t pic;
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jl data_p = (struct kstat_named *)ksp->ks_data;
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jl if (rw == KSTAT_WRITE) {
25cf1a301a396c38e8adf52c15f537b80d2483f7jl stdphysio(cntr_pa_p->pcr_pa, data_p[0].value.ui64);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl return (0);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl } else {
25cf1a301a396c38e8adf52c15f537b80d2483f7jl pic = lddphysio(cntr_pa_p->pic_pa);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl data_p[0].value.ui64 = lddphysio(cntr_pa_p->pcr_pa);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jl /* pic0 : lo 32 bits */
25cf1a301a396c38e8adf52c15f537b80d2483f7jl data_p[1].value.ui64 = (pic << 32) >> 32;
25cf1a301a396c38e8adf52c15f537b80d2483f7jl /* pic1 : hi 32 bits */
25cf1a301a396c38e8adf52c15f537b80d2483f7jl data_p[2].value.ui64 = pic >> 32;
25cf1a301a396c38e8adf52c15f537b80d2483f7jl }
25cf1a301a396c38e8adf52c15f537b80d2483f7jl return (0);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl}
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jl
25cf1a301a396c38e8adf52c15f537b80d2483f7jl/*
25cf1a301a396c38e8adf52c15f537b80d2483f7jl * Matched with pcmu_add_upstream_kstat()
25cf1a301a396c38e8adf52c15f537b80d2483f7jl */
25cf1a301a396c38e8adf52c15f537b80d2483f7jlvoid
25cf1a301a396c38e8adf52c15f537b80d2483f7jlpcmu_rem_upstream_kstat(pcmu_t *pcmu_p)
25cf1a301a396c38e8adf52c15f537b80d2483f7jl{
25cf1a301a396c38e8adf52c15f537b80d2483f7jl if (pcmu_p->pcmu_uksp != NULL)
25cf1a301a396c38e8adf52c15f537b80d2483f7jl kstat_delete(pcmu_p->pcmu_uksp);
25cf1a301a396c38e8adf52c15f537b80d2483f7jl pcmu_p->pcmu_uksp = NULL;
25cf1a301a396c38e8adf52c15f537b80d2483f7jl}