/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright (c) 2000 by Sun Microsystems, Inc. * All rights reserved. */ #include #include #include #include #include #include #include /* lddphys() */ #include /*LINTLIBRARY*/ static kstat_t *pci_create_picN_kstat(char *, int, int, int, pci_kev_mask_t *); void pci_kstat_create(pci_t *pci_p) { pci_common_t *cmn_p = pci_p->pci_common_p; if (cmn_p->pci_common_attachcnt == 0) pci_add_upstream_kstat(pci_p); pci_add_pci_kstat(pci_p); } void pci_kstat_destroy(pci_t *pci_p) { pci_common_t *cmn_p = pci_p->pci_common_p; pci_rem_pci_kstat(pci_p); if (cmn_p->pci_common_attachcnt == 0) pci_rem_upstream_kstat(pci_p); } void pci_create_name_kstat(char *name, pci_ksinfo_t *pp, pci_kev_mask_t *ev) { int i; for (i = 0; i < NUM_OF_PICS; i++) { pp->pic_name_ksp[i] = pci_create_picN_kstat(name, i, pp->pic_shift[i], pp->pic_no_evs, ev); if (pp->pic_name_ksp[i] == NULL) { cmn_err(CE_WARN, "pci: unable to create name kstat"); } } } void pci_delete_name_kstat(pci_ksinfo_t *pp) { int i; if (pp != NULL) { for (i = 0; i < NUM_OF_PICS; i++) { if (pp->pic_name_ksp[i] != NULL) kstat_delete(pp->pic_name_ksp[i]); } } } /* * Create the picN kstat. Returns a pointer to the * kstat which the driver must store to allow it * to be deleted when necessary. */ static kstat_t * pci_create_picN_kstat(char *mod_name, int pic, int pic_shift, int num_ev, pci_kev_mask_t *ev_array) { struct kstat_named *pic_named_data; int inst = 0; int event; char pic_name[30]; kstat_t *picN_ksp = NULL; (void) sprintf(pic_name, "pic%d", pic); if ((picN_ksp = kstat_create(mod_name, inst, pic_name, "bus", KSTAT_TYPE_NAMED, num_ev, 0)) == NULL) { cmn_err(CE_WARN, "%s %s : kstat create failed", mod_name, pic_name); /* * It is up to the calling function to delete any kstats * that may have been created already. We just * return NULL to indicate an error has occured. */ return (NULL); } pic_named_data = (struct kstat_named *)picN_ksp->ks_data; /* * Write event names and their associated pcr masks. The * last entry in the array (clear_pic) is added seperately * below as the pic value must be inverted. */ for (event = 0; event < num_ev - 1; event++) { pic_named_data[event].value.ui64 = (ev_array[event].pcr_mask << pic_shift); kstat_named_init(&pic_named_data[event], ev_array[event].event_name, KSTAT_DATA_UINT64); } /* * add the clear_pic entry. */ pic_named_data[event].value.ui64 = (uint64_t)~(ev_array[event].pcr_mask << pic_shift); kstat_named_init(&pic_named_data[event], ev_array[event].event_name, KSTAT_DATA_UINT64); kstat_install(picN_ksp); return (picN_ksp); } /* * Create the "counters" kstat. */ kstat_t *pci_create_cntr_kstat(pci_t *pci_p, char *name, int num_pics, int (*update)(kstat_t *, int), void *cntr_addr_p) { struct kstat *counters_ksp; struct kstat_named *counters_named_data; dev_info_t *dip = pci_p->pci_dip; char *drv_name = (char *)ddi_driver_name(dip); int drv_instance = ddi_get_instance(dip); char pic_str[10]; int i; /* * Size of kstat is num_pics + 1 as it * also contains the %pcr */ if ((counters_ksp = kstat_create(name, drv_instance, "counters", "bus", KSTAT_TYPE_NAMED, num_pics + 1, KSTAT_FLAG_WRITABLE)) == NULL) { cmn_err(CE_WARN, "%s%d counters kstat_create failed", drv_name, drv_instance); return (NULL); } counters_named_data = (struct kstat_named *)(counters_ksp->ks_data); /* initialize the named kstats */ kstat_named_init(&counters_named_data[0], "pcr", KSTAT_DATA_UINT64); for (i = 0; i < num_pics; i++) { (void) sprintf(pic_str, "pic%d", i); kstat_named_init(&counters_named_data[i+1], pic_str, KSTAT_DATA_UINT64); } /* * Store the register offset's in the kstat's * private field so that they are available * to the update function. */ counters_ksp->ks_private = (void *)cntr_addr_p; counters_ksp->ks_update = update; kstat_install(counters_ksp); return (counters_ksp); } /* * kstat update function. Handles reads/writes * from/to kstat. */ int pci_cntr_kstat_update(kstat_t *ksp, int rw) { struct kstat_named *data_p; pci_cntr_addr_t *cntr_addr_p = ksp->ks_private; uint64_t pic; data_p = (struct kstat_named *)ksp->ks_data; if (rw == KSTAT_WRITE) { *cntr_addr_p->pcr_addr = data_p[0].value.ui64; return (0); } else { pic = *cntr_addr_p->pic_addr; data_p[0].value.ui64 = *cntr_addr_p->pcr_addr; /* pic0 : lo 32 bits */ data_p[1].value.ui64 = (pic <<32) >> 32; /* pic1 : hi 32 bits */ data_p[2].value.ui64 = pic >> 32; } return (0); } /* * kstat update function using physical addresses. */ int pci_cntr_kstat_pa_update(kstat_t *ksp, int rw) { struct kstat_named *data_p; pci_cntr_pa_t *cntr_pa_p = (pci_cntr_pa_t *)ksp->ks_private; uint64_t pic; data_p = (struct kstat_named *)ksp->ks_data; if (rw == KSTAT_WRITE) { stdphysio(cntr_pa_p->pcr_pa, data_p[0].value.ui64); return (0); } else { pic = lddphysio(cntr_pa_p->pic_pa); data_p[0].value.ui64 = lddphysio(cntr_pa_p->pcr_pa); /* pic0 : lo 32 bits */ data_p[1].value.ui64 = (pic << 32) >> 32; /* pic1 : hi 32 bits */ data_p[2].value.ui64 = pic >> 32; } return (0); } /* * Matched with pci_add_upstream_kstat() */ void pci_rem_upstream_kstat(pci_t *pci_p) { pci_common_t *cmn_p = pci_p->pci_common_p; if (cmn_p->pci_common_uksp != NULL) kstat_delete(cmn_p->pci_common_uksp); cmn_p->pci_common_uksp = NULL; }