1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright (c) 2000 by Sun Microsystems, Inc. 24*7c478bd9Sstevel@tonic-gate * All rights reserved. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*7c478bd9Sstevel@tonic-gate 29*7c478bd9Sstevel@tonic-gate #include <sys/types.h> 30*7c478bd9Sstevel@tonic-gate #include <sys/async.h> 31*7c478bd9Sstevel@tonic-gate #include <sys/sunddi.h> 32*7c478bd9Sstevel@tonic-gate #include <sys/sunndi.h> 33*7c478bd9Sstevel@tonic-gate #include <sys/ddi_impldefs.h> 34*7c478bd9Sstevel@tonic-gate #include <sys/pci/pci_obj.h> 35*7c478bd9Sstevel@tonic-gate #include <sys/machsystm.h> /* lddphys() */ 36*7c478bd9Sstevel@tonic-gate #include <sys/kstat.h> 37*7c478bd9Sstevel@tonic-gate 38*7c478bd9Sstevel@tonic-gate /*LINTLIBRARY*/ 39*7c478bd9Sstevel@tonic-gate 40*7c478bd9Sstevel@tonic-gate static kstat_t *pci_create_picN_kstat(char *, int, int, int, 41*7c478bd9Sstevel@tonic-gate pci_kev_mask_t *); 42*7c478bd9Sstevel@tonic-gate 43*7c478bd9Sstevel@tonic-gate void 44*7c478bd9Sstevel@tonic-gate pci_kstat_create(pci_t *pci_p) 45*7c478bd9Sstevel@tonic-gate { 46*7c478bd9Sstevel@tonic-gate pci_common_t *cmn_p = pci_p->pci_common_p; 47*7c478bd9Sstevel@tonic-gate 48*7c478bd9Sstevel@tonic-gate if (cmn_p->pci_common_attachcnt == 0) 49*7c478bd9Sstevel@tonic-gate pci_add_upstream_kstat(pci_p); 50*7c478bd9Sstevel@tonic-gate 51*7c478bd9Sstevel@tonic-gate pci_add_pci_kstat(pci_p); 52*7c478bd9Sstevel@tonic-gate } 53*7c478bd9Sstevel@tonic-gate 54*7c478bd9Sstevel@tonic-gate void 55*7c478bd9Sstevel@tonic-gate pci_kstat_destroy(pci_t *pci_p) 56*7c478bd9Sstevel@tonic-gate { 57*7c478bd9Sstevel@tonic-gate pci_common_t *cmn_p = pci_p->pci_common_p; 58*7c478bd9Sstevel@tonic-gate 59*7c478bd9Sstevel@tonic-gate pci_rem_pci_kstat(pci_p); 60*7c478bd9Sstevel@tonic-gate 61*7c478bd9Sstevel@tonic-gate if (cmn_p->pci_common_attachcnt == 0) 62*7c478bd9Sstevel@tonic-gate pci_rem_upstream_kstat(pci_p); 63*7c478bd9Sstevel@tonic-gate } 64*7c478bd9Sstevel@tonic-gate 65*7c478bd9Sstevel@tonic-gate void 66*7c478bd9Sstevel@tonic-gate pci_create_name_kstat(char *name, pci_ksinfo_t *pp, pci_kev_mask_t *ev) 67*7c478bd9Sstevel@tonic-gate { 68*7c478bd9Sstevel@tonic-gate int i; 69*7c478bd9Sstevel@tonic-gate 70*7c478bd9Sstevel@tonic-gate for (i = 0; i < NUM_OF_PICS; i++) { 71*7c478bd9Sstevel@tonic-gate pp->pic_name_ksp[i] = pci_create_picN_kstat(name, 72*7c478bd9Sstevel@tonic-gate i, pp->pic_shift[i], pp->pic_no_evs, ev); 73*7c478bd9Sstevel@tonic-gate 74*7c478bd9Sstevel@tonic-gate if (pp->pic_name_ksp[i] == NULL) { 75*7c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "pci: unable to create name kstat"); 76*7c478bd9Sstevel@tonic-gate } 77*7c478bd9Sstevel@tonic-gate } 78*7c478bd9Sstevel@tonic-gate } 79*7c478bd9Sstevel@tonic-gate 80*7c478bd9Sstevel@tonic-gate void 81*7c478bd9Sstevel@tonic-gate pci_delete_name_kstat(pci_ksinfo_t *pp) 82*7c478bd9Sstevel@tonic-gate { 83*7c478bd9Sstevel@tonic-gate int i; 84*7c478bd9Sstevel@tonic-gate 85*7c478bd9Sstevel@tonic-gate if (pp != NULL) { 86*7c478bd9Sstevel@tonic-gate for (i = 0; i < NUM_OF_PICS; i++) { 87*7c478bd9Sstevel@tonic-gate if (pp->pic_name_ksp[i] != NULL) 88*7c478bd9Sstevel@tonic-gate kstat_delete(pp->pic_name_ksp[i]); 89*7c478bd9Sstevel@tonic-gate } 90*7c478bd9Sstevel@tonic-gate } 91*7c478bd9Sstevel@tonic-gate } 92*7c478bd9Sstevel@tonic-gate 93*7c478bd9Sstevel@tonic-gate /* 94*7c478bd9Sstevel@tonic-gate * Create the picN kstat. Returns a pointer to the 95*7c478bd9Sstevel@tonic-gate * kstat which the driver must store to allow it 96*7c478bd9Sstevel@tonic-gate * to be deleted when necessary. 97*7c478bd9Sstevel@tonic-gate */ 98*7c478bd9Sstevel@tonic-gate static kstat_t * 99*7c478bd9Sstevel@tonic-gate pci_create_picN_kstat(char *mod_name, int pic, int pic_shift, 100*7c478bd9Sstevel@tonic-gate int num_ev, pci_kev_mask_t *ev_array) 101*7c478bd9Sstevel@tonic-gate { 102*7c478bd9Sstevel@tonic-gate struct kstat_named *pic_named_data; 103*7c478bd9Sstevel@tonic-gate int inst = 0; 104*7c478bd9Sstevel@tonic-gate int event; 105*7c478bd9Sstevel@tonic-gate char pic_name[30]; 106*7c478bd9Sstevel@tonic-gate kstat_t *picN_ksp = NULL; 107*7c478bd9Sstevel@tonic-gate 108*7c478bd9Sstevel@tonic-gate (void) sprintf(pic_name, "pic%d", pic); 109*7c478bd9Sstevel@tonic-gate if ((picN_ksp = kstat_create(mod_name, inst, pic_name, 110*7c478bd9Sstevel@tonic-gate "bus", KSTAT_TYPE_NAMED, num_ev, NULL)) == NULL) { 111*7c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "%s %s : kstat create failed", 112*7c478bd9Sstevel@tonic-gate mod_name, pic_name); 113*7c478bd9Sstevel@tonic-gate 114*7c478bd9Sstevel@tonic-gate /* 115*7c478bd9Sstevel@tonic-gate * It is up to the calling function to delete any kstats 116*7c478bd9Sstevel@tonic-gate * that may have been created already. We just 117*7c478bd9Sstevel@tonic-gate * return NULL to indicate an error has occured. 118*7c478bd9Sstevel@tonic-gate */ 119*7c478bd9Sstevel@tonic-gate return (NULL); 120*7c478bd9Sstevel@tonic-gate } 121*7c478bd9Sstevel@tonic-gate 122*7c478bd9Sstevel@tonic-gate pic_named_data = (struct kstat_named *) 123*7c478bd9Sstevel@tonic-gate picN_ksp->ks_data; 124*7c478bd9Sstevel@tonic-gate 125*7c478bd9Sstevel@tonic-gate /* 126*7c478bd9Sstevel@tonic-gate * Write event names and their associated pcr masks. The 127*7c478bd9Sstevel@tonic-gate * last entry in the array (clear_pic) is added seperately 128*7c478bd9Sstevel@tonic-gate * below as the pic value must be inverted. 129*7c478bd9Sstevel@tonic-gate */ 130*7c478bd9Sstevel@tonic-gate for (event = 0; event < num_ev - 1; event++) { 131*7c478bd9Sstevel@tonic-gate pic_named_data[event].value.ui64 = 132*7c478bd9Sstevel@tonic-gate (ev_array[event].pcr_mask << pic_shift); 133*7c478bd9Sstevel@tonic-gate 134*7c478bd9Sstevel@tonic-gate kstat_named_init(&pic_named_data[event], 135*7c478bd9Sstevel@tonic-gate ev_array[event].event_name, 136*7c478bd9Sstevel@tonic-gate KSTAT_DATA_UINT64); 137*7c478bd9Sstevel@tonic-gate } 138*7c478bd9Sstevel@tonic-gate 139*7c478bd9Sstevel@tonic-gate /* 140*7c478bd9Sstevel@tonic-gate * add the clear_pic entry. 141*7c478bd9Sstevel@tonic-gate */ 142*7c478bd9Sstevel@tonic-gate pic_named_data[event].value.ui64 = 143*7c478bd9Sstevel@tonic-gate (uint64_t)~(ev_array[event].pcr_mask << pic_shift); 144*7c478bd9Sstevel@tonic-gate 145*7c478bd9Sstevel@tonic-gate kstat_named_init(&pic_named_data[event], 146*7c478bd9Sstevel@tonic-gate ev_array[event].event_name, 147*7c478bd9Sstevel@tonic-gate KSTAT_DATA_UINT64); 148*7c478bd9Sstevel@tonic-gate 149*7c478bd9Sstevel@tonic-gate kstat_install(picN_ksp); 150*7c478bd9Sstevel@tonic-gate 151*7c478bd9Sstevel@tonic-gate return (picN_ksp); 152*7c478bd9Sstevel@tonic-gate } 153*7c478bd9Sstevel@tonic-gate 154*7c478bd9Sstevel@tonic-gate /* 155*7c478bd9Sstevel@tonic-gate * Create the "counters" kstat. 156*7c478bd9Sstevel@tonic-gate */ 157*7c478bd9Sstevel@tonic-gate kstat_t *pci_create_cntr_kstat(pci_t *pci_p, char *name, 158*7c478bd9Sstevel@tonic-gate int num_pics, int (*update)(kstat_t *, int), 159*7c478bd9Sstevel@tonic-gate void *cntr_addr_p) 160*7c478bd9Sstevel@tonic-gate { 161*7c478bd9Sstevel@tonic-gate struct kstat *counters_ksp; 162*7c478bd9Sstevel@tonic-gate struct kstat_named *counters_named_data; 163*7c478bd9Sstevel@tonic-gate dev_info_t *dip = pci_p->pci_dip; 164*7c478bd9Sstevel@tonic-gate char *drv_name = (char *)ddi_driver_name(dip); 165*7c478bd9Sstevel@tonic-gate int drv_instance = ddi_get_instance(dip); 166*7c478bd9Sstevel@tonic-gate char pic_str[10]; 167*7c478bd9Sstevel@tonic-gate int i; 168*7c478bd9Sstevel@tonic-gate 169*7c478bd9Sstevel@tonic-gate /* 170*7c478bd9Sstevel@tonic-gate * Size of kstat is num_pics + 1 as it 171*7c478bd9Sstevel@tonic-gate * also contains the %pcr 172*7c478bd9Sstevel@tonic-gate */ 173*7c478bd9Sstevel@tonic-gate if ((counters_ksp = kstat_create(name, drv_instance, 174*7c478bd9Sstevel@tonic-gate "counters", "bus", KSTAT_TYPE_NAMED, 175*7c478bd9Sstevel@tonic-gate num_pics + 1, 176*7c478bd9Sstevel@tonic-gate KSTAT_FLAG_WRITABLE)) == NULL) { 177*7c478bd9Sstevel@tonic-gate 178*7c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "%s%d counters kstat_create failed", 179*7c478bd9Sstevel@tonic-gate drv_name, drv_instance); 180*7c478bd9Sstevel@tonic-gate return (NULL); 181*7c478bd9Sstevel@tonic-gate } 182*7c478bd9Sstevel@tonic-gate 183*7c478bd9Sstevel@tonic-gate counters_named_data = 184*7c478bd9Sstevel@tonic-gate (struct kstat_named *)(counters_ksp->ks_data); 185*7c478bd9Sstevel@tonic-gate 186*7c478bd9Sstevel@tonic-gate /* initialize the named kstats */ 187*7c478bd9Sstevel@tonic-gate kstat_named_init(&counters_named_data[0], 188*7c478bd9Sstevel@tonic-gate "pcr", KSTAT_DATA_UINT64); 189*7c478bd9Sstevel@tonic-gate 190*7c478bd9Sstevel@tonic-gate for (i = 0; i < num_pics; i++) { 191*7c478bd9Sstevel@tonic-gate (void) sprintf(pic_str, "pic%d", i); 192*7c478bd9Sstevel@tonic-gate 193*7c478bd9Sstevel@tonic-gate kstat_named_init(&counters_named_data[i+1], 194*7c478bd9Sstevel@tonic-gate pic_str, KSTAT_DATA_UINT64); 195*7c478bd9Sstevel@tonic-gate } 196*7c478bd9Sstevel@tonic-gate 197*7c478bd9Sstevel@tonic-gate /* 198*7c478bd9Sstevel@tonic-gate * Store the register offset's in the kstat's 199*7c478bd9Sstevel@tonic-gate * private field so that they are available 200*7c478bd9Sstevel@tonic-gate * to the update function. 201*7c478bd9Sstevel@tonic-gate */ 202*7c478bd9Sstevel@tonic-gate counters_ksp->ks_private = (void *)cntr_addr_p; 203*7c478bd9Sstevel@tonic-gate counters_ksp->ks_update = update; 204*7c478bd9Sstevel@tonic-gate 205*7c478bd9Sstevel@tonic-gate kstat_install(counters_ksp); 206*7c478bd9Sstevel@tonic-gate 207*7c478bd9Sstevel@tonic-gate return (counters_ksp); 208*7c478bd9Sstevel@tonic-gate } 209*7c478bd9Sstevel@tonic-gate 210*7c478bd9Sstevel@tonic-gate /* 211*7c478bd9Sstevel@tonic-gate * kstat update function. Handles reads/writes 212*7c478bd9Sstevel@tonic-gate * from/to kstat. 213*7c478bd9Sstevel@tonic-gate */ 214*7c478bd9Sstevel@tonic-gate int 215*7c478bd9Sstevel@tonic-gate pci_cntr_kstat_update(kstat_t *ksp, int rw) 216*7c478bd9Sstevel@tonic-gate { 217*7c478bd9Sstevel@tonic-gate struct kstat_named *data_p; 218*7c478bd9Sstevel@tonic-gate pci_cntr_addr_t *cntr_addr_p = ksp->ks_private; 219*7c478bd9Sstevel@tonic-gate uint64_t pic; 220*7c478bd9Sstevel@tonic-gate 221*7c478bd9Sstevel@tonic-gate data_p = (struct kstat_named *)ksp->ks_data; 222*7c478bd9Sstevel@tonic-gate 223*7c478bd9Sstevel@tonic-gate if (rw == KSTAT_WRITE) { 224*7c478bd9Sstevel@tonic-gate *cntr_addr_p->pcr_addr = data_p[0].value.ui64; 225*7c478bd9Sstevel@tonic-gate return (0); 226*7c478bd9Sstevel@tonic-gate } else { 227*7c478bd9Sstevel@tonic-gate pic = *cntr_addr_p->pic_addr; 228*7c478bd9Sstevel@tonic-gate data_p[0].value.ui64 = *cntr_addr_p->pcr_addr; 229*7c478bd9Sstevel@tonic-gate 230*7c478bd9Sstevel@tonic-gate /* pic0 : lo 32 bits */ 231*7c478bd9Sstevel@tonic-gate data_p[1].value.ui64 = (pic <<32) >> 32; 232*7c478bd9Sstevel@tonic-gate /* pic1 : hi 32 bits */ 233*7c478bd9Sstevel@tonic-gate data_p[2].value.ui64 = pic >> 32; 234*7c478bd9Sstevel@tonic-gate } 235*7c478bd9Sstevel@tonic-gate return (0); 236*7c478bd9Sstevel@tonic-gate } 237*7c478bd9Sstevel@tonic-gate 238*7c478bd9Sstevel@tonic-gate /* 239*7c478bd9Sstevel@tonic-gate * kstat update function using physical addresses. 240*7c478bd9Sstevel@tonic-gate */ 241*7c478bd9Sstevel@tonic-gate int 242*7c478bd9Sstevel@tonic-gate pci_cntr_kstat_pa_update(kstat_t *ksp, int rw) 243*7c478bd9Sstevel@tonic-gate { 244*7c478bd9Sstevel@tonic-gate struct kstat_named *data_p; 245*7c478bd9Sstevel@tonic-gate pci_cntr_pa_t *cntr_pa_p = (pci_cntr_pa_t *)ksp->ks_private; 246*7c478bd9Sstevel@tonic-gate uint64_t pic; 247*7c478bd9Sstevel@tonic-gate 248*7c478bd9Sstevel@tonic-gate data_p = (struct kstat_named *)ksp->ks_data; 249*7c478bd9Sstevel@tonic-gate 250*7c478bd9Sstevel@tonic-gate if (rw == KSTAT_WRITE) { 251*7c478bd9Sstevel@tonic-gate stdphysio(cntr_pa_p->pcr_pa, data_p[0].value.ui64); 252*7c478bd9Sstevel@tonic-gate return (0); 253*7c478bd9Sstevel@tonic-gate } else { 254*7c478bd9Sstevel@tonic-gate pic = lddphysio(cntr_pa_p->pic_pa); 255*7c478bd9Sstevel@tonic-gate data_p[0].value.ui64 = lddphysio(cntr_pa_p->pcr_pa); 256*7c478bd9Sstevel@tonic-gate 257*7c478bd9Sstevel@tonic-gate /* pic0 : lo 32 bits */ 258*7c478bd9Sstevel@tonic-gate data_p[1].value.ui64 = (pic << 32) >> 32; 259*7c478bd9Sstevel@tonic-gate /* pic1 : hi 32 bits */ 260*7c478bd9Sstevel@tonic-gate data_p[2].value.ui64 = pic >> 32; 261*7c478bd9Sstevel@tonic-gate } 262*7c478bd9Sstevel@tonic-gate return (0); 263*7c478bd9Sstevel@tonic-gate } 264*7c478bd9Sstevel@tonic-gate 265*7c478bd9Sstevel@tonic-gate 266*7c478bd9Sstevel@tonic-gate /* 267*7c478bd9Sstevel@tonic-gate * Matched with pci_add_upstream_kstat() 268*7c478bd9Sstevel@tonic-gate */ 269*7c478bd9Sstevel@tonic-gate void 270*7c478bd9Sstevel@tonic-gate pci_rem_upstream_kstat(pci_t *pci_p) 271*7c478bd9Sstevel@tonic-gate { 272*7c478bd9Sstevel@tonic-gate pci_common_t *cmn_p = pci_p->pci_common_p; 273*7c478bd9Sstevel@tonic-gate 274*7c478bd9Sstevel@tonic-gate if (cmn_p->pci_common_uksp != NULL) 275*7c478bd9Sstevel@tonic-gate kstat_delete(cmn_p->pci_common_uksp); 276*7c478bd9Sstevel@tonic-gate cmn_p->pci_common_uksp = NULL; 277*7c478bd9Sstevel@tonic-gate } 278