17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5d12abe7cSanish * Common Development and Distribution License (the "License"). 6d12abe7cSanish * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* 225febcb4aSScott Carter, SD IOSW * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 237c478bd9Sstevel@tonic-gate * Use is subject to license terms. 247c478bd9Sstevel@tonic-gate */ 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate #include <sys/note.h> 277c478bd9Sstevel@tonic-gate #include <sys/sysmacros.h> 287c478bd9Sstevel@tonic-gate #include <sys/types.h> 297c478bd9Sstevel@tonic-gate #include <sys/param.h> 307c478bd9Sstevel@tonic-gate #include <sys/systm.h> 317c478bd9Sstevel@tonic-gate #include <sys/kmem.h> 327c478bd9Sstevel@tonic-gate #include <sys/cmn_err.h> 337c478bd9Sstevel@tonic-gate #include <sys/debug.h> 347c478bd9Sstevel@tonic-gate #include <sys/avintr.h> 357c478bd9Sstevel@tonic-gate #include <sys/autoconf.h> 367c478bd9Sstevel@tonic-gate #include <sys/sunndi.h> 377c478bd9Sstevel@tonic-gate #include <sys/ndi_impldefs.h> /* include prototypes */ 387c478bd9Sstevel@tonic-gate 39*63ea9ad2SEvan Yan #if defined(__i386) || defined(__amd64) 40*63ea9ad2SEvan Yan /* 41*63ea9ad2SEvan Yan * MSI-X allocation limit. 42*63ea9ad2SEvan Yan */ 43*63ea9ad2SEvan Yan uint_t ddi_msix_alloc_limit = DDI_DEFAULT_MSIX_ALLOC; 44*63ea9ad2SEvan Yan #endif 45ef643aefSegillett 467c478bd9Sstevel@tonic-gate /* 477c478bd9Sstevel@tonic-gate * New DDI interrupt framework 487c478bd9Sstevel@tonic-gate */ 497c478bd9Sstevel@tonic-gate void 507c478bd9Sstevel@tonic-gate i_ddi_intr_devi_init(dev_info_t *dip) 517c478bd9Sstevel@tonic-gate { 527c478bd9Sstevel@tonic-gate int supported_types; 537c478bd9Sstevel@tonic-gate 547c478bd9Sstevel@tonic-gate DDI_INTR_APIDBG((CE_CONT, "i_ddi_intr_devi_init: dip %p\n", 557c478bd9Sstevel@tonic-gate (void *)dip)); 567c478bd9Sstevel@tonic-gate 577c478bd9Sstevel@tonic-gate if (DEVI(dip)->devi_intr_p) 587c478bd9Sstevel@tonic-gate return; 597c478bd9Sstevel@tonic-gate 605febcb4aSScott Carter, SD IOSW DEVI(dip)->devi_intr_p = kmem_zalloc(sizeof (devinfo_intr_t), KM_SLEEP); 617c478bd9Sstevel@tonic-gate 627c478bd9Sstevel@tonic-gate supported_types = i_ddi_intr_get_supported_types(dip); 637c478bd9Sstevel@tonic-gate 647c478bd9Sstevel@tonic-gate /* Save supported interrupt types information */ 657c478bd9Sstevel@tonic-gate i_ddi_intr_set_supported_types(dip, supported_types); 667c478bd9Sstevel@tonic-gate } 677c478bd9Sstevel@tonic-gate 687c478bd9Sstevel@tonic-gate void 697c478bd9Sstevel@tonic-gate i_ddi_intr_devi_fini(dev_info_t *dip) 707c478bd9Sstevel@tonic-gate { 717c478bd9Sstevel@tonic-gate devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 727c478bd9Sstevel@tonic-gate 73a195726fSgovinda DDI_INTR_APIDBG((CE_CONT, "i_ddi_intr_devi_fini: dip %p\n", 74a195726fSgovinda (void *)dip)); 75a195726fSgovinda 765febcb4aSScott Carter, SD IOSW if ((intr_p == NULL) || i_ddi_intr_get_current_nintrs(dip)) 77a195726fSgovinda return; 78a195726fSgovinda 797c478bd9Sstevel@tonic-gate /* 807c478bd9Sstevel@tonic-gate * devi_intr_handle_p will only be used for devices 817c478bd9Sstevel@tonic-gate * which are using the legacy DDI Interrupt interfaces. 827c478bd9Sstevel@tonic-gate */ 837c478bd9Sstevel@tonic-gate if (intr_p->devi_intr_handle_p) { 847c478bd9Sstevel@tonic-gate /* nintrs could be zero; so check for it first */ 857c478bd9Sstevel@tonic-gate if (intr_p->devi_intr_sup_nintrs) { 867c478bd9Sstevel@tonic-gate kmem_free(intr_p->devi_intr_handle_p, 877c478bd9Sstevel@tonic-gate intr_p->devi_intr_sup_nintrs * 887c478bd9Sstevel@tonic-gate sizeof (ddi_intr_handle_t)); 897c478bd9Sstevel@tonic-gate } 907c478bd9Sstevel@tonic-gate } 91a195726fSgovinda 925febcb4aSScott Carter, SD IOSW /* 935febcb4aSScott Carter, SD IOSW * devi_irm_req_p will only be used for devices which 945febcb4aSScott Carter, SD IOSW * are mapped to an Interrupt Resource Management pool. 955febcb4aSScott Carter, SD IOSW */ 965febcb4aSScott Carter, SD IOSW if (intr_p->devi_irm_req_p) 975febcb4aSScott Carter, SD IOSW (void) i_ddi_irm_remove(dip); 985febcb4aSScott Carter, SD IOSW 997c478bd9Sstevel@tonic-gate kmem_free(DEVI(dip)->devi_intr_p, sizeof (devinfo_intr_t)); 1007c478bd9Sstevel@tonic-gate DEVI(dip)->devi_intr_p = NULL; 1017c478bd9Sstevel@tonic-gate } 1027c478bd9Sstevel@tonic-gate 1037c478bd9Sstevel@tonic-gate uint_t 1047c478bd9Sstevel@tonic-gate i_ddi_intr_get_supported_types(dev_info_t *dip) 1057c478bd9Sstevel@tonic-gate { 1067c478bd9Sstevel@tonic-gate devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 1077c478bd9Sstevel@tonic-gate ddi_intr_handle_impl_t hdl; 1087c478bd9Sstevel@tonic-gate int ret, intr_types; 1097c478bd9Sstevel@tonic-gate 1107c478bd9Sstevel@tonic-gate if ((intr_p) && (intr_p->devi_intr_sup_types)) 1117c478bd9Sstevel@tonic-gate return (intr_p->devi_intr_sup_types); 1127c478bd9Sstevel@tonic-gate 1137c478bd9Sstevel@tonic-gate bzero(&hdl, sizeof (ddi_intr_handle_impl_t)); 1147c478bd9Sstevel@tonic-gate hdl.ih_dip = dip; 1157c478bd9Sstevel@tonic-gate 116a195726fSgovinda ret = i_ddi_intr_ops(dip, dip, DDI_INTROP_SUPPORTED_TYPES, &hdl, 1177c478bd9Sstevel@tonic-gate (void *)&intr_types); 1187c478bd9Sstevel@tonic-gate 1197c478bd9Sstevel@tonic-gate return ((ret == DDI_SUCCESS) ? intr_types : 0); 1207c478bd9Sstevel@tonic-gate } 1217c478bd9Sstevel@tonic-gate 1227c478bd9Sstevel@tonic-gate /* 1237c478bd9Sstevel@tonic-gate * NOTE: This function is only called by i_ddi_dev_init(). 1247c478bd9Sstevel@tonic-gate */ 1257c478bd9Sstevel@tonic-gate void 1267c478bd9Sstevel@tonic-gate i_ddi_intr_set_supported_types(dev_info_t *dip, int intr_types) 1277c478bd9Sstevel@tonic-gate { 1287c478bd9Sstevel@tonic-gate devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 1297c478bd9Sstevel@tonic-gate 1307c478bd9Sstevel@tonic-gate if (intr_p) 1317c478bd9Sstevel@tonic-gate intr_p->devi_intr_sup_types = intr_types; 1327c478bd9Sstevel@tonic-gate } 1337c478bd9Sstevel@tonic-gate 1347c478bd9Sstevel@tonic-gate uint_t 1357c478bd9Sstevel@tonic-gate i_ddi_intr_get_supported_nintrs(dev_info_t *dip, int intr_type) 1367c478bd9Sstevel@tonic-gate { 1377c478bd9Sstevel@tonic-gate devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 1387c478bd9Sstevel@tonic-gate ddi_intr_handle_impl_t hdl; 1397c478bd9Sstevel@tonic-gate int ret, nintrs; 1407c478bd9Sstevel@tonic-gate 1417c478bd9Sstevel@tonic-gate if ((intr_p) && (intr_p->devi_intr_curr_type == intr_type) && 1427c478bd9Sstevel@tonic-gate (intr_p->devi_intr_sup_nintrs)) 1437c478bd9Sstevel@tonic-gate return (intr_p->devi_intr_sup_nintrs); 1447c478bd9Sstevel@tonic-gate 1457c478bd9Sstevel@tonic-gate bzero(&hdl, sizeof (ddi_intr_handle_impl_t)); 1467c478bd9Sstevel@tonic-gate hdl.ih_dip = dip; 1477c478bd9Sstevel@tonic-gate hdl.ih_type = intr_type; 1487c478bd9Sstevel@tonic-gate 149a195726fSgovinda ret = i_ddi_intr_ops(dip, dip, DDI_INTROP_NINTRS, &hdl, 1507c478bd9Sstevel@tonic-gate (void *)&nintrs); 1517c478bd9Sstevel@tonic-gate 1527c478bd9Sstevel@tonic-gate return ((ret == DDI_SUCCESS) ? nintrs : 0); 1537c478bd9Sstevel@tonic-gate } 1547c478bd9Sstevel@tonic-gate 1557c478bd9Sstevel@tonic-gate /* 1567c478bd9Sstevel@tonic-gate * NOTE: This function is only called by ddi_intr_alloc(). 1577c478bd9Sstevel@tonic-gate */ 1587c478bd9Sstevel@tonic-gate void 1597c478bd9Sstevel@tonic-gate i_ddi_intr_set_supported_nintrs(dev_info_t *dip, int nintrs) 1607c478bd9Sstevel@tonic-gate { 1617c478bd9Sstevel@tonic-gate devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 1627c478bd9Sstevel@tonic-gate 1637c478bd9Sstevel@tonic-gate if (intr_p) 1647c478bd9Sstevel@tonic-gate intr_p->devi_intr_sup_nintrs = nintrs; 1657c478bd9Sstevel@tonic-gate } 1667c478bd9Sstevel@tonic-gate 1677c478bd9Sstevel@tonic-gate uint_t 1687c478bd9Sstevel@tonic-gate i_ddi_intr_get_current_type(dev_info_t *dip) 1697c478bd9Sstevel@tonic-gate { 1707c478bd9Sstevel@tonic-gate devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 1717c478bd9Sstevel@tonic-gate 1727c478bd9Sstevel@tonic-gate return (intr_p ? intr_p->devi_intr_curr_type : 0); 1737c478bd9Sstevel@tonic-gate } 1747c478bd9Sstevel@tonic-gate 1757c478bd9Sstevel@tonic-gate /* 1767c478bd9Sstevel@tonic-gate * NOTE: This function is only called by 1777c478bd9Sstevel@tonic-gate * ddi_intr_alloc() and ddi_intr_free(). 1787c478bd9Sstevel@tonic-gate */ 1797c478bd9Sstevel@tonic-gate void 1807c478bd9Sstevel@tonic-gate i_ddi_intr_set_current_type(dev_info_t *dip, int intr_type) 1817c478bd9Sstevel@tonic-gate { 1827c478bd9Sstevel@tonic-gate devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 1837c478bd9Sstevel@tonic-gate 1847c478bd9Sstevel@tonic-gate if (intr_p) 1857c478bd9Sstevel@tonic-gate intr_p->devi_intr_curr_type = intr_type; 1867c478bd9Sstevel@tonic-gate } 1877c478bd9Sstevel@tonic-gate 1887c478bd9Sstevel@tonic-gate uint_t 1897c478bd9Sstevel@tonic-gate i_ddi_intr_get_current_nintrs(dev_info_t *dip) 1907c478bd9Sstevel@tonic-gate { 1917c478bd9Sstevel@tonic-gate devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 1927c478bd9Sstevel@tonic-gate 1937c478bd9Sstevel@tonic-gate return (intr_p ? intr_p->devi_intr_curr_nintrs : 0); 1947c478bd9Sstevel@tonic-gate } 1957c478bd9Sstevel@tonic-gate 1967c478bd9Sstevel@tonic-gate /* 1977c478bd9Sstevel@tonic-gate * NOTE: This function is only called by 1987c478bd9Sstevel@tonic-gate * ddi_intr_alloc() and ddi_intr_free(). 1997c478bd9Sstevel@tonic-gate */ 2007c478bd9Sstevel@tonic-gate void 2017c478bd9Sstevel@tonic-gate i_ddi_intr_set_current_nintrs(dev_info_t *dip, int nintrs) 2027c478bd9Sstevel@tonic-gate { 2037c478bd9Sstevel@tonic-gate devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 2047c478bd9Sstevel@tonic-gate 2057c478bd9Sstevel@tonic-gate if (intr_p) 2067c478bd9Sstevel@tonic-gate intr_p->devi_intr_curr_nintrs = nintrs; 2077c478bd9Sstevel@tonic-gate } 2087c478bd9Sstevel@tonic-gate 2095febcb4aSScott Carter, SD IOSW uint_t 2102145b8d4SGuoli Shu i_ddi_intr_get_current_nenables(dev_info_t *dip) 2112145b8d4SGuoli Shu { 2122145b8d4SGuoli Shu devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 2132145b8d4SGuoli Shu 2142145b8d4SGuoli Shu return (intr_p ? intr_p->devi_intr_curr_nenables : 0); 2152145b8d4SGuoli Shu } 2162145b8d4SGuoli Shu 2172145b8d4SGuoli Shu void 2182145b8d4SGuoli Shu i_ddi_intr_set_current_nenables(dev_info_t *dip, int nintrs) 2192145b8d4SGuoli Shu { 2202145b8d4SGuoli Shu devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 2212145b8d4SGuoli Shu 2222145b8d4SGuoli Shu if (intr_p) 2232145b8d4SGuoli Shu intr_p->devi_intr_curr_nenables = nintrs; 2242145b8d4SGuoli Shu } 2252145b8d4SGuoli Shu 2262145b8d4SGuoli Shu uint_t 2275febcb4aSScott Carter, SD IOSW i_ddi_intr_get_current_navail(dev_info_t *dip, int type) 2285febcb4aSScott Carter, SD IOSW { 2295febcb4aSScott Carter, SD IOSW ddi_intr_handle_impl_t hdl; 2305febcb4aSScott Carter, SD IOSW devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 2315febcb4aSScott Carter, SD IOSW ddi_cb_t *cb_p; 2325febcb4aSScott Carter, SD IOSW ddi_irm_pool_t *pool_p; 2335febcb4aSScott Carter, SD IOSW ddi_irm_req_t *req_p; 234*63ea9ad2SEvan Yan uint_t navail = 0, nintrs; 2355febcb4aSScott Carter, SD IOSW 2365febcb4aSScott Carter, SD IOSW /* Get maximum number of supported interrupts */ 2375febcb4aSScott Carter, SD IOSW nintrs = i_ddi_intr_get_supported_nintrs(dip, type); 2385febcb4aSScott Carter, SD IOSW 2395febcb4aSScott Carter, SD IOSW /* Check for an interrupt pool */ 2405febcb4aSScott Carter, SD IOSW pool_p = i_ddi_intr_get_pool(dip, type); 2415febcb4aSScott Carter, SD IOSW 2425febcb4aSScott Carter, SD IOSW /* 2435febcb4aSScott Carter, SD IOSW * If a pool exists, then IRM determines the availability. 2445febcb4aSScott Carter, SD IOSW * Otherwise, use the older INTROP method. 2455febcb4aSScott Carter, SD IOSW */ 2465febcb4aSScott Carter, SD IOSW if (pool_p) { 2475febcb4aSScott Carter, SD IOSW if (intr_p && (req_p = intr_p->devi_irm_req_p) && 2485febcb4aSScott Carter, SD IOSW (type == req_p->ireq_type)) { 2495febcb4aSScott Carter, SD IOSW mutex_enter(&pool_p->ipool_navail_lock); 2505febcb4aSScott Carter, SD IOSW navail = req_p->ireq_navail; 2515febcb4aSScott Carter, SD IOSW mutex_exit(&pool_p->ipool_navail_lock); 2525febcb4aSScott Carter, SD IOSW return (navail); 2535febcb4aSScott Carter, SD IOSW } 2545febcb4aSScott Carter, SD IOSW if ((type == DDI_INTR_TYPE_MSIX) && 2555febcb4aSScott Carter, SD IOSW (cb_p = DEVI(dip)->devi_cb_p) && 2565febcb4aSScott Carter, SD IOSW (cb_p->cb_flags & DDI_CB_FLAG_INTR)) { 2575febcb4aSScott Carter, SD IOSW return (nintrs); 2585febcb4aSScott Carter, SD IOSW } 2595febcb4aSScott Carter, SD IOSW navail = pool_p->ipool_defsz; 2605febcb4aSScott Carter, SD IOSW } else { 2615febcb4aSScott Carter, SD IOSW bzero(&hdl, sizeof (ddi_intr_handle_impl_t)); 2625febcb4aSScott Carter, SD IOSW hdl.ih_dip = dip; 2635febcb4aSScott Carter, SD IOSW hdl.ih_type = type; 2645febcb4aSScott Carter, SD IOSW 2655febcb4aSScott Carter, SD IOSW if (i_ddi_intr_ops(dip, dip, DDI_INTROP_NAVAIL, &hdl, 2665febcb4aSScott Carter, SD IOSW (void *)&navail) != DDI_SUCCESS) { 2675febcb4aSScott Carter, SD IOSW return (0); 2685febcb4aSScott Carter, SD IOSW } 2695febcb4aSScott Carter, SD IOSW } 2705febcb4aSScott Carter, SD IOSW 271*63ea9ad2SEvan Yan #if defined(__i386) || defined(__amd64) 2725febcb4aSScott Carter, SD IOSW /* Global tunable workaround */ 273*63ea9ad2SEvan Yan if (type == DDI_INTR_TYPE_MSIX) { 2745febcb4aSScott Carter, SD IOSW navail = MIN(nintrs, ddi_msix_alloc_limit); 2755febcb4aSScott Carter, SD IOSW } 276*63ea9ad2SEvan Yan #endif 2775febcb4aSScott Carter, SD IOSW 2785febcb4aSScott Carter, SD IOSW /* Always restrict MSI to a precise limit */ 2795febcb4aSScott Carter, SD IOSW if (type == DDI_INTR_TYPE_MSI) 2805febcb4aSScott Carter, SD IOSW navail = MIN(navail, DDI_MAX_MSI_ALLOC); 2815febcb4aSScott Carter, SD IOSW 2825febcb4aSScott Carter, SD IOSW /* Ensure availability doesn't exceed what's supported */ 2835febcb4aSScott Carter, SD IOSW navail = MIN(navail, nintrs); 2845febcb4aSScott Carter, SD IOSW 2855febcb4aSScott Carter, SD IOSW return (navail); 2865febcb4aSScott Carter, SD IOSW } 2875febcb4aSScott Carter, SD IOSW 2887c478bd9Sstevel@tonic-gate ddi_intr_msix_t * 2897c478bd9Sstevel@tonic-gate i_ddi_get_msix(dev_info_t *dip) 2907c478bd9Sstevel@tonic-gate { 2917c478bd9Sstevel@tonic-gate devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 2927c478bd9Sstevel@tonic-gate 2937c478bd9Sstevel@tonic-gate return (intr_p ? intr_p->devi_msix_p : NULL); 2947c478bd9Sstevel@tonic-gate } 2957c478bd9Sstevel@tonic-gate 2967c478bd9Sstevel@tonic-gate void 2977c478bd9Sstevel@tonic-gate i_ddi_set_msix(dev_info_t *dip, ddi_intr_msix_t *msix_p) 2987c478bd9Sstevel@tonic-gate { 2997c478bd9Sstevel@tonic-gate devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 3007c478bd9Sstevel@tonic-gate 3017c478bd9Sstevel@tonic-gate if (intr_p) 3027c478bd9Sstevel@tonic-gate intr_p->devi_msix_p = msix_p; 3037c478bd9Sstevel@tonic-gate } 3047c478bd9Sstevel@tonic-gate 3055febcb4aSScott Carter, SD IOSW ddi_intr_handle_t 3067c478bd9Sstevel@tonic-gate i_ddi_get_intr_handle(dev_info_t *dip, int inum) 3077c478bd9Sstevel@tonic-gate { 3087c478bd9Sstevel@tonic-gate devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 3097c478bd9Sstevel@tonic-gate 3107c478bd9Sstevel@tonic-gate if (intr_p == NULL) 3117c478bd9Sstevel@tonic-gate return (NULL); 3127c478bd9Sstevel@tonic-gate 313e821bd34Sanish /* 314e821bd34Sanish * Changed this to a check and return NULL if an invalid inum 315e821bd34Sanish * is passed to retrieve a handle 316e821bd34Sanish */ 317e821bd34Sanish if ((inum < 0) || (inum >= intr_p->devi_intr_sup_nintrs)) 318e821bd34Sanish return (NULL); 3197c478bd9Sstevel@tonic-gate 3207c478bd9Sstevel@tonic-gate return ((intr_p->devi_intr_handle_p) ? 3217c478bd9Sstevel@tonic-gate intr_p->devi_intr_handle_p[inum] : NULL); 3227c478bd9Sstevel@tonic-gate } 3237c478bd9Sstevel@tonic-gate 3247c478bd9Sstevel@tonic-gate void 3255febcb4aSScott Carter, SD IOSW i_ddi_set_intr_handle(dev_info_t *dip, int inum, ddi_intr_handle_t intr_hdl) 3267c478bd9Sstevel@tonic-gate { 3277c478bd9Sstevel@tonic-gate devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 3287c478bd9Sstevel@tonic-gate 3297c478bd9Sstevel@tonic-gate if (intr_p == NULL) 3307c478bd9Sstevel@tonic-gate return; 3317c478bd9Sstevel@tonic-gate 332e821bd34Sanish /* 333e821bd34Sanish * Changed this to a check and return if an invalid inum 334e821bd34Sanish * is passed to set a handle 335e821bd34Sanish */ 336e821bd34Sanish if ((inum < 0) || (inum >= intr_p->devi_intr_sup_nintrs)) 337e821bd34Sanish return; 3387c478bd9Sstevel@tonic-gate 3395febcb4aSScott Carter, SD IOSW if (intr_hdl && (intr_p->devi_intr_handle_p == NULL)) { 3407c478bd9Sstevel@tonic-gate /* nintrs could be zero; so check for it first */ 3417c478bd9Sstevel@tonic-gate if (intr_p->devi_intr_sup_nintrs) 3427c478bd9Sstevel@tonic-gate intr_p->devi_intr_handle_p = kmem_zalloc( 3437c478bd9Sstevel@tonic-gate sizeof (ddi_intr_handle_t) * 3447c478bd9Sstevel@tonic-gate intr_p->devi_intr_sup_nintrs, KM_SLEEP); 3457c478bd9Sstevel@tonic-gate } 3467c478bd9Sstevel@tonic-gate 347a195726fSgovinda if (intr_p->devi_intr_handle_p) 3485febcb4aSScott Carter, SD IOSW intr_p->devi_intr_handle_p[inum] = intr_hdl; 3497c478bd9Sstevel@tonic-gate } 3507c478bd9Sstevel@tonic-gate 3517c478bd9Sstevel@tonic-gate /* 3527c478bd9Sstevel@tonic-gate * The "ddi-intr-weight" property contains the weight of each interrupt 3537c478bd9Sstevel@tonic-gate * associated with a dev_info node. For devices with multiple interrupts per 3547c478bd9Sstevel@tonic-gate * dev_info node, the total load of the device is "devi_intr_weight * nintr", 3557c478bd9Sstevel@tonic-gate * possibly spread out over multiple CPUs. 3567c478bd9Sstevel@tonic-gate * 3577c478bd9Sstevel@tonic-gate * Maintaining this as a property permits possible tweaking in the product 3587c478bd9Sstevel@tonic-gate * in response to customer problems via driver.conf property definitions at 3597c478bd9Sstevel@tonic-gate * the driver or the instance level. This does not mean that "ddi-intr_weight" 3607c478bd9Sstevel@tonic-gate * is a formal or committed interface. 3617c478bd9Sstevel@tonic-gate */ 3627c478bd9Sstevel@tonic-gate int32_t 3637c478bd9Sstevel@tonic-gate i_ddi_get_intr_weight(dev_info_t *dip) 3647c478bd9Sstevel@tonic-gate { 3657c478bd9Sstevel@tonic-gate int32_t weight; 3667c478bd9Sstevel@tonic-gate 3677c478bd9Sstevel@tonic-gate weight = ddi_prop_get_int(DDI_DEV_T_ANY, dip, 3687c478bd9Sstevel@tonic-gate DDI_PROP_DONTPASS | DDI_PROP_NOTPROM, "ddi-intr-weight", -1); 3697c478bd9Sstevel@tonic-gate if (weight < -1) 3707c478bd9Sstevel@tonic-gate weight = -1; /* undefined */ 3717c478bd9Sstevel@tonic-gate return (weight); 3727c478bd9Sstevel@tonic-gate } 3737c478bd9Sstevel@tonic-gate 3747c478bd9Sstevel@tonic-gate int32_t 3757c478bd9Sstevel@tonic-gate i_ddi_set_intr_weight(dev_info_t *dip, int32_t weight) 3767c478bd9Sstevel@tonic-gate { 3777c478bd9Sstevel@tonic-gate int32_t oweight; 3787c478bd9Sstevel@tonic-gate 3797c478bd9Sstevel@tonic-gate oweight = i_ddi_get_intr_weight(dip); 3807c478bd9Sstevel@tonic-gate if ((weight > 0) && (oweight != weight)) 3817c478bd9Sstevel@tonic-gate (void) ndi_prop_update_int(DDI_DEV_T_NONE, dip, 3827c478bd9Sstevel@tonic-gate "ddi-intr-weight", weight); 3837c478bd9Sstevel@tonic-gate return (oweight); 3847c478bd9Sstevel@tonic-gate } 3857c478bd9Sstevel@tonic-gate 3867c478bd9Sstevel@tonic-gate /* 3877c478bd9Sstevel@tonic-gate * Old DDI interrupt framework 3887c478bd9Sstevel@tonic-gate * 3897c478bd9Sstevel@tonic-gate * NOTE: 3907c478bd9Sstevel@tonic-gate * The following 4 busops entry points are obsoleted with version 3917c478bd9Sstevel@tonic-gate * 9 or greater. Use i_ddi_intr_op interface in place of these 3927c478bd9Sstevel@tonic-gate * obsolete interfaces. 3937c478bd9Sstevel@tonic-gate * 3947c478bd9Sstevel@tonic-gate * Remove these busops entry points and all related data structures 3957c478bd9Sstevel@tonic-gate * in future major/minor solaris release. 3967c478bd9Sstevel@tonic-gate */ 3977c478bd9Sstevel@tonic-gate 3987c478bd9Sstevel@tonic-gate /* ARGSUSED */ 3997c478bd9Sstevel@tonic-gate ddi_intrspec_t 4007c478bd9Sstevel@tonic-gate i_ddi_get_intrspec(dev_info_t *dip, dev_info_t *rdip, uint_t inumber) 4017c478bd9Sstevel@tonic-gate { 4027c478bd9Sstevel@tonic-gate dev_info_t *pdip = ddi_get_parent(dip); 4037c478bd9Sstevel@tonic-gate 4047c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "Failed to process interrupt " 4057c478bd9Sstevel@tonic-gate "for %s%d due to down-rev nexus driver %s%d", 406a195726fSgovinda ddi_driver_name(rdip), ddi_get_instance(rdip), 407a195726fSgovinda ddi_driver_name(pdip), ddi_get_instance(pdip)); 4087c478bd9Sstevel@tonic-gate 4097c478bd9Sstevel@tonic-gate return (NULL); 4107c478bd9Sstevel@tonic-gate } 4117c478bd9Sstevel@tonic-gate 4127c478bd9Sstevel@tonic-gate /* ARGSUSED */ 4137c478bd9Sstevel@tonic-gate int 4147c478bd9Sstevel@tonic-gate i_ddi_add_intrspec(dev_info_t *dip, dev_info_t *rdip, ddi_intrspec_t intrspec, 4157c478bd9Sstevel@tonic-gate ddi_iblock_cookie_t *iblock_cookiep, 4167c478bd9Sstevel@tonic-gate ddi_idevice_cookie_t *idevice_cookiep, 4177c478bd9Sstevel@tonic-gate uint_t (*int_handler)(caddr_t int_handler_arg), 4187c478bd9Sstevel@tonic-gate caddr_t int_handler_arg, int kind) 4197c478bd9Sstevel@tonic-gate { 4207c478bd9Sstevel@tonic-gate dev_info_t *pdip = ddi_get_parent(dip); 4217c478bd9Sstevel@tonic-gate 4227c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "Failed to process interrupt " 4237c478bd9Sstevel@tonic-gate "for %s%d due to down-rev nexus driver %s%d", 424a195726fSgovinda ddi_driver_name(rdip), ddi_get_instance(rdip), 425a195726fSgovinda ddi_driver_name(pdip), ddi_get_instance(pdip)); 4267c478bd9Sstevel@tonic-gate 4277c478bd9Sstevel@tonic-gate return (DDI_ENOTSUP); 4287c478bd9Sstevel@tonic-gate } 4297c478bd9Sstevel@tonic-gate 4307c478bd9Sstevel@tonic-gate /* ARGSUSED */ 4317c478bd9Sstevel@tonic-gate void 4327c478bd9Sstevel@tonic-gate i_ddi_remove_intrspec(dev_info_t *dip, dev_info_t *rdip, 4337c478bd9Sstevel@tonic-gate ddi_intrspec_t intrspec, ddi_iblock_cookie_t iblock_cookie) 4347c478bd9Sstevel@tonic-gate { 4357c478bd9Sstevel@tonic-gate dev_info_t *pdip = ddi_get_parent(dip); 4367c478bd9Sstevel@tonic-gate 4377c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "Failed to process interrupt " 4387c478bd9Sstevel@tonic-gate "for %s%d due to down-rev nexus driver %s%d", 439a195726fSgovinda ddi_driver_name(rdip), ddi_get_instance(rdip), 440a195726fSgovinda ddi_driver_name(pdip), ddi_get_instance(pdip)); 4417c478bd9Sstevel@tonic-gate } 4427c478bd9Sstevel@tonic-gate 4437c478bd9Sstevel@tonic-gate /* ARGSUSED */ 4447c478bd9Sstevel@tonic-gate int 4457c478bd9Sstevel@tonic-gate i_ddi_intr_ctlops(dev_info_t *dip, dev_info_t *rdip, ddi_intr_ctlop_t op, 4467c478bd9Sstevel@tonic-gate void *arg, void *val) 4477c478bd9Sstevel@tonic-gate { 4487c478bd9Sstevel@tonic-gate dev_info_t *pdip = ddi_get_parent(dip); 4497c478bd9Sstevel@tonic-gate 4507c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "Failed to process interrupt " 4517c478bd9Sstevel@tonic-gate "for %s%d due to down-rev nexus driver %s%d", 452a195726fSgovinda ddi_driver_name(rdip), ddi_get_instance(rdip), 453a195726fSgovinda ddi_driver_name(pdip), ddi_get_instance(pdip)); 4547c478bd9Sstevel@tonic-gate 4557c478bd9Sstevel@tonic-gate return (DDI_ENOTSUP); 4567c478bd9Sstevel@tonic-gate } 457d12abe7cSanish 458d12abe7cSanish #if defined(__i386) || defined(__amd64) 459d12abe7cSanish ddi_acc_handle_t 460d12abe7cSanish i_ddi_get_pci_config_handle(dev_info_t *dip) 461d12abe7cSanish { 462d12abe7cSanish devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 463d12abe7cSanish 464d12abe7cSanish return (intr_p ? intr_p->devi_cfg_handle : NULL); 465d12abe7cSanish } 466d12abe7cSanish 467d12abe7cSanish void 468d12abe7cSanish i_ddi_set_pci_config_handle(dev_info_t *dip, ddi_acc_handle_t handle) 469d12abe7cSanish { 470d12abe7cSanish devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 471d12abe7cSanish 472d12abe7cSanish if (intr_p) 473d12abe7cSanish intr_p->devi_cfg_handle = handle; 474d12abe7cSanish } 475d12abe7cSanish 476d12abe7cSanish 477d12abe7cSanish int 478d12abe7cSanish i_ddi_get_msi_msix_cap_ptr(dev_info_t *dip) 479d12abe7cSanish { 480d12abe7cSanish devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 481d12abe7cSanish 482d12abe7cSanish return (intr_p ? intr_p->devi_cap_ptr : 0); 483d12abe7cSanish } 484d12abe7cSanish 485d12abe7cSanish void 486d12abe7cSanish i_ddi_set_msi_msix_cap_ptr(dev_info_t *dip, int cap_ptr) 487d12abe7cSanish { 488d12abe7cSanish devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 489d12abe7cSanish 490d12abe7cSanish if (intr_p) 491d12abe7cSanish intr_p->devi_cap_ptr = cap_ptr; 492d12abe7cSanish } 493d12abe7cSanish #endif 494