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 39ef643aefSegillett extern uint_t ddi_msix_alloc_limit; 40ef643aefSegillett 417c478bd9Sstevel@tonic-gate /* 427c478bd9Sstevel@tonic-gate * New DDI interrupt framework 437c478bd9Sstevel@tonic-gate */ 447c478bd9Sstevel@tonic-gate void 457c478bd9Sstevel@tonic-gate i_ddi_intr_devi_init(dev_info_t *dip) 467c478bd9Sstevel@tonic-gate { 477c478bd9Sstevel@tonic-gate int supported_types; 487c478bd9Sstevel@tonic-gate 497c478bd9Sstevel@tonic-gate DDI_INTR_APIDBG((CE_CONT, "i_ddi_intr_devi_init: dip %p\n", 507c478bd9Sstevel@tonic-gate (void *)dip)); 517c478bd9Sstevel@tonic-gate 527c478bd9Sstevel@tonic-gate if (DEVI(dip)->devi_intr_p) 537c478bd9Sstevel@tonic-gate return; 547c478bd9Sstevel@tonic-gate 555febcb4aSScott Carter, SD IOSW DEVI(dip)->devi_intr_p = kmem_zalloc(sizeof (devinfo_intr_t), KM_SLEEP); 567c478bd9Sstevel@tonic-gate 577c478bd9Sstevel@tonic-gate supported_types = i_ddi_intr_get_supported_types(dip); 587c478bd9Sstevel@tonic-gate 597c478bd9Sstevel@tonic-gate /* Save supported interrupt types information */ 607c478bd9Sstevel@tonic-gate i_ddi_intr_set_supported_types(dip, supported_types); 617c478bd9Sstevel@tonic-gate } 627c478bd9Sstevel@tonic-gate 637c478bd9Sstevel@tonic-gate void 647c478bd9Sstevel@tonic-gate i_ddi_intr_devi_fini(dev_info_t *dip) 657c478bd9Sstevel@tonic-gate { 667c478bd9Sstevel@tonic-gate devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 677c478bd9Sstevel@tonic-gate 68a195726fSgovinda DDI_INTR_APIDBG((CE_CONT, "i_ddi_intr_devi_fini: dip %p\n", 69a195726fSgovinda (void *)dip)); 70a195726fSgovinda 715febcb4aSScott Carter, SD IOSW if ((intr_p == NULL) || i_ddi_intr_get_current_nintrs(dip)) 72a195726fSgovinda return; 73a195726fSgovinda 747c478bd9Sstevel@tonic-gate /* 757c478bd9Sstevel@tonic-gate * devi_intr_handle_p will only be used for devices 767c478bd9Sstevel@tonic-gate * which are using the legacy DDI Interrupt interfaces. 777c478bd9Sstevel@tonic-gate */ 787c478bd9Sstevel@tonic-gate if (intr_p->devi_intr_handle_p) { 797c478bd9Sstevel@tonic-gate /* nintrs could be zero; so check for it first */ 807c478bd9Sstevel@tonic-gate if (intr_p->devi_intr_sup_nintrs) { 817c478bd9Sstevel@tonic-gate kmem_free(intr_p->devi_intr_handle_p, 827c478bd9Sstevel@tonic-gate intr_p->devi_intr_sup_nintrs * 837c478bd9Sstevel@tonic-gate sizeof (ddi_intr_handle_t)); 847c478bd9Sstevel@tonic-gate } 857c478bd9Sstevel@tonic-gate } 86a195726fSgovinda 875febcb4aSScott Carter, SD IOSW /* 885febcb4aSScott Carter, SD IOSW * devi_irm_req_p will only be used for devices which 895febcb4aSScott Carter, SD IOSW * are mapped to an Interrupt Resource Management pool. 905febcb4aSScott Carter, SD IOSW */ 915febcb4aSScott Carter, SD IOSW if (intr_p->devi_irm_req_p) 925febcb4aSScott Carter, SD IOSW (void) i_ddi_irm_remove(dip); 935febcb4aSScott Carter, SD IOSW 947c478bd9Sstevel@tonic-gate kmem_free(DEVI(dip)->devi_intr_p, sizeof (devinfo_intr_t)); 957c478bd9Sstevel@tonic-gate DEVI(dip)->devi_intr_p = NULL; 967c478bd9Sstevel@tonic-gate } 977c478bd9Sstevel@tonic-gate 987c478bd9Sstevel@tonic-gate uint_t 997c478bd9Sstevel@tonic-gate i_ddi_intr_get_supported_types(dev_info_t *dip) 1007c478bd9Sstevel@tonic-gate { 1017c478bd9Sstevel@tonic-gate devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 1027c478bd9Sstevel@tonic-gate ddi_intr_handle_impl_t hdl; 1037c478bd9Sstevel@tonic-gate int ret, intr_types; 1047c478bd9Sstevel@tonic-gate 1057c478bd9Sstevel@tonic-gate if ((intr_p) && (intr_p->devi_intr_sup_types)) 1067c478bd9Sstevel@tonic-gate return (intr_p->devi_intr_sup_types); 1077c478bd9Sstevel@tonic-gate 1087c478bd9Sstevel@tonic-gate bzero(&hdl, sizeof (ddi_intr_handle_impl_t)); 1097c478bd9Sstevel@tonic-gate hdl.ih_dip = dip; 1107c478bd9Sstevel@tonic-gate 111a195726fSgovinda ret = i_ddi_intr_ops(dip, dip, DDI_INTROP_SUPPORTED_TYPES, &hdl, 1127c478bd9Sstevel@tonic-gate (void *)&intr_types); 1137c478bd9Sstevel@tonic-gate 1147c478bd9Sstevel@tonic-gate return ((ret == DDI_SUCCESS) ? intr_types : 0); 1157c478bd9Sstevel@tonic-gate } 1167c478bd9Sstevel@tonic-gate 1177c478bd9Sstevel@tonic-gate /* 1187c478bd9Sstevel@tonic-gate * NOTE: This function is only called by i_ddi_dev_init(). 1197c478bd9Sstevel@tonic-gate */ 1207c478bd9Sstevel@tonic-gate void 1217c478bd9Sstevel@tonic-gate i_ddi_intr_set_supported_types(dev_info_t *dip, int intr_types) 1227c478bd9Sstevel@tonic-gate { 1237c478bd9Sstevel@tonic-gate devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 1247c478bd9Sstevel@tonic-gate 1257c478bd9Sstevel@tonic-gate if (intr_p) 1267c478bd9Sstevel@tonic-gate intr_p->devi_intr_sup_types = intr_types; 1277c478bd9Sstevel@tonic-gate } 1287c478bd9Sstevel@tonic-gate 1297c478bd9Sstevel@tonic-gate uint_t 1307c478bd9Sstevel@tonic-gate i_ddi_intr_get_supported_nintrs(dev_info_t *dip, int intr_type) 1317c478bd9Sstevel@tonic-gate { 1327c478bd9Sstevel@tonic-gate devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 1337c478bd9Sstevel@tonic-gate ddi_intr_handle_impl_t hdl; 1347c478bd9Sstevel@tonic-gate int ret, nintrs; 1357c478bd9Sstevel@tonic-gate 1367c478bd9Sstevel@tonic-gate if ((intr_p) && (intr_p->devi_intr_curr_type == intr_type) && 1377c478bd9Sstevel@tonic-gate (intr_p->devi_intr_sup_nintrs)) 1387c478bd9Sstevel@tonic-gate return (intr_p->devi_intr_sup_nintrs); 1397c478bd9Sstevel@tonic-gate 1407c478bd9Sstevel@tonic-gate bzero(&hdl, sizeof (ddi_intr_handle_impl_t)); 1417c478bd9Sstevel@tonic-gate hdl.ih_dip = dip; 1427c478bd9Sstevel@tonic-gate hdl.ih_type = intr_type; 1437c478bd9Sstevel@tonic-gate 144a195726fSgovinda ret = i_ddi_intr_ops(dip, dip, DDI_INTROP_NINTRS, &hdl, 1457c478bd9Sstevel@tonic-gate (void *)&nintrs); 1467c478bd9Sstevel@tonic-gate 1477c478bd9Sstevel@tonic-gate return ((ret == DDI_SUCCESS) ? nintrs : 0); 1487c478bd9Sstevel@tonic-gate } 1497c478bd9Sstevel@tonic-gate 1507c478bd9Sstevel@tonic-gate /* 1517c478bd9Sstevel@tonic-gate * NOTE: This function is only called by ddi_intr_alloc(). 1527c478bd9Sstevel@tonic-gate */ 1537c478bd9Sstevel@tonic-gate void 1547c478bd9Sstevel@tonic-gate i_ddi_intr_set_supported_nintrs(dev_info_t *dip, int nintrs) 1557c478bd9Sstevel@tonic-gate { 1567c478bd9Sstevel@tonic-gate devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 1577c478bd9Sstevel@tonic-gate 1587c478bd9Sstevel@tonic-gate if (intr_p) 1597c478bd9Sstevel@tonic-gate intr_p->devi_intr_sup_nintrs = nintrs; 1607c478bd9Sstevel@tonic-gate } 1617c478bd9Sstevel@tonic-gate 1627c478bd9Sstevel@tonic-gate uint_t 1637c478bd9Sstevel@tonic-gate i_ddi_intr_get_current_type(dev_info_t *dip) 1647c478bd9Sstevel@tonic-gate { 1657c478bd9Sstevel@tonic-gate devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 1667c478bd9Sstevel@tonic-gate 1677c478bd9Sstevel@tonic-gate return (intr_p ? intr_p->devi_intr_curr_type : 0); 1687c478bd9Sstevel@tonic-gate } 1697c478bd9Sstevel@tonic-gate 1707c478bd9Sstevel@tonic-gate /* 1717c478bd9Sstevel@tonic-gate * NOTE: This function is only called by 1727c478bd9Sstevel@tonic-gate * ddi_intr_alloc() and ddi_intr_free(). 1737c478bd9Sstevel@tonic-gate */ 1747c478bd9Sstevel@tonic-gate void 1757c478bd9Sstevel@tonic-gate i_ddi_intr_set_current_type(dev_info_t *dip, int intr_type) 1767c478bd9Sstevel@tonic-gate { 1777c478bd9Sstevel@tonic-gate devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 1787c478bd9Sstevel@tonic-gate 1797c478bd9Sstevel@tonic-gate if (intr_p) 1807c478bd9Sstevel@tonic-gate intr_p->devi_intr_curr_type = intr_type; 1817c478bd9Sstevel@tonic-gate } 1827c478bd9Sstevel@tonic-gate 1837c478bd9Sstevel@tonic-gate uint_t 1847c478bd9Sstevel@tonic-gate i_ddi_intr_get_current_nintrs(dev_info_t *dip) 1857c478bd9Sstevel@tonic-gate { 1867c478bd9Sstevel@tonic-gate devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 1877c478bd9Sstevel@tonic-gate 1887c478bd9Sstevel@tonic-gate return (intr_p ? intr_p->devi_intr_curr_nintrs : 0); 1897c478bd9Sstevel@tonic-gate } 1907c478bd9Sstevel@tonic-gate 1917c478bd9Sstevel@tonic-gate /* 1927c478bd9Sstevel@tonic-gate * NOTE: This function is only called by 1937c478bd9Sstevel@tonic-gate * ddi_intr_alloc() and ddi_intr_free(). 1947c478bd9Sstevel@tonic-gate */ 1957c478bd9Sstevel@tonic-gate void 1967c478bd9Sstevel@tonic-gate i_ddi_intr_set_current_nintrs(dev_info_t *dip, int nintrs) 1977c478bd9Sstevel@tonic-gate { 1987c478bd9Sstevel@tonic-gate devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 1997c478bd9Sstevel@tonic-gate 2007c478bd9Sstevel@tonic-gate if (intr_p) 2017c478bd9Sstevel@tonic-gate intr_p->devi_intr_curr_nintrs = nintrs; 2027c478bd9Sstevel@tonic-gate } 2037c478bd9Sstevel@tonic-gate 2045febcb4aSScott Carter, SD IOSW uint_t 205*2145b8d4SGuoli Shu i_ddi_intr_get_current_nenables(dev_info_t *dip) 206*2145b8d4SGuoli Shu { 207*2145b8d4SGuoli Shu devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 208*2145b8d4SGuoli Shu 209*2145b8d4SGuoli Shu return (intr_p ? intr_p->devi_intr_curr_nenables : 0); 210*2145b8d4SGuoli Shu } 211*2145b8d4SGuoli Shu 212*2145b8d4SGuoli Shu void 213*2145b8d4SGuoli Shu i_ddi_intr_set_current_nenables(dev_info_t *dip, int nintrs) 214*2145b8d4SGuoli Shu { 215*2145b8d4SGuoli Shu devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 216*2145b8d4SGuoli Shu 217*2145b8d4SGuoli Shu if (intr_p) 218*2145b8d4SGuoli Shu intr_p->devi_intr_curr_nenables = nintrs; 219*2145b8d4SGuoli Shu } 220*2145b8d4SGuoli Shu 221*2145b8d4SGuoli Shu uint_t 2225febcb4aSScott Carter, SD IOSW i_ddi_intr_get_current_navail(dev_info_t *dip, int type) 2235febcb4aSScott Carter, SD IOSW { 2245febcb4aSScott Carter, SD IOSW ddi_intr_handle_impl_t hdl; 2255febcb4aSScott Carter, SD IOSW devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 2265febcb4aSScott Carter, SD IOSW ddi_cb_t *cb_p; 2275febcb4aSScott Carter, SD IOSW ddi_irm_pool_t *pool_p; 2285febcb4aSScott Carter, SD IOSW ddi_irm_req_t *req_p; 2295febcb4aSScott Carter, SD IOSW uint_t navail = 0, nintrs, nreq; 2305febcb4aSScott Carter, SD IOSW 2315febcb4aSScott Carter, SD IOSW /* Get maximum number of supported interrupts */ 2325febcb4aSScott Carter, SD IOSW nintrs = i_ddi_intr_get_supported_nintrs(dip, type); 2335febcb4aSScott Carter, SD IOSW 2345febcb4aSScott Carter, SD IOSW /* Check for an interrupt pool */ 2355febcb4aSScott Carter, SD IOSW pool_p = i_ddi_intr_get_pool(dip, type); 2365febcb4aSScott Carter, SD IOSW 2375febcb4aSScott Carter, SD IOSW /* 2385febcb4aSScott Carter, SD IOSW * If a pool exists, then IRM determines the availability. 2395febcb4aSScott Carter, SD IOSW * Otherwise, use the older INTROP method. 2405febcb4aSScott Carter, SD IOSW */ 2415febcb4aSScott Carter, SD IOSW if (pool_p) { 2425febcb4aSScott Carter, SD IOSW if (intr_p && (req_p = intr_p->devi_irm_req_p) && 2435febcb4aSScott Carter, SD IOSW (type == req_p->ireq_type)) { 2445febcb4aSScott Carter, SD IOSW mutex_enter(&pool_p->ipool_navail_lock); 2455febcb4aSScott Carter, SD IOSW navail = req_p->ireq_navail; 2465febcb4aSScott Carter, SD IOSW mutex_exit(&pool_p->ipool_navail_lock); 2475febcb4aSScott Carter, SD IOSW return (navail); 2485febcb4aSScott Carter, SD IOSW } 2495febcb4aSScott Carter, SD IOSW if ((type == DDI_INTR_TYPE_MSIX) && 2505febcb4aSScott Carter, SD IOSW (cb_p = DEVI(dip)->devi_cb_p) && 2515febcb4aSScott Carter, SD IOSW (cb_p->cb_flags & DDI_CB_FLAG_INTR)) { 2525febcb4aSScott Carter, SD IOSW return (nintrs); 2535febcb4aSScott Carter, SD IOSW } 2545febcb4aSScott Carter, SD IOSW navail = pool_p->ipool_defsz; 2555febcb4aSScott Carter, SD IOSW } else { 2565febcb4aSScott Carter, SD IOSW bzero(&hdl, sizeof (ddi_intr_handle_impl_t)); 2575febcb4aSScott Carter, SD IOSW hdl.ih_dip = dip; 2585febcb4aSScott Carter, SD IOSW hdl.ih_type = type; 2595febcb4aSScott Carter, SD IOSW 2605febcb4aSScott Carter, SD IOSW if (i_ddi_intr_ops(dip, dip, DDI_INTROP_NAVAIL, &hdl, 2615febcb4aSScott Carter, SD IOSW (void *)&navail) != DDI_SUCCESS) { 2625febcb4aSScott Carter, SD IOSW return (0); 2635febcb4aSScott Carter, SD IOSW } 2645febcb4aSScott Carter, SD IOSW } 2655febcb4aSScott Carter, SD IOSW 2665febcb4aSScott Carter, SD IOSW /* Apply MSI-X workarounds */ 2675febcb4aSScott Carter, SD IOSW if (type == DDI_INTR_TYPE_MSIX) { 2685febcb4aSScott Carter, SD IOSW /* Global tunable workaround */ 2695febcb4aSScott Carter, SD IOSW if (navail < nintrs) 2705febcb4aSScott Carter, SD IOSW navail = MIN(nintrs, ddi_msix_alloc_limit); 2715febcb4aSScott Carter, SD IOSW /* Device property workaround */ 2725febcb4aSScott Carter, SD IOSW if ((nreq = i_ddi_get_msix_alloc_limit(dip)) > 0) 2735febcb4aSScott Carter, SD IOSW navail = MAX(navail, nreq); 2745febcb4aSScott Carter, SD IOSW } 2755febcb4aSScott Carter, SD IOSW 2765febcb4aSScott Carter, SD IOSW /* Always restrict MSI to a precise limit */ 2775febcb4aSScott Carter, SD IOSW if (type == DDI_INTR_TYPE_MSI) 2785febcb4aSScott Carter, SD IOSW navail = MIN(navail, DDI_MAX_MSI_ALLOC); 2795febcb4aSScott Carter, SD IOSW 2805febcb4aSScott Carter, SD IOSW /* Ensure availability doesn't exceed what's supported */ 2815febcb4aSScott Carter, SD IOSW navail = MIN(navail, nintrs); 2825febcb4aSScott Carter, SD IOSW 2835febcb4aSScott Carter, SD IOSW return (navail); 2845febcb4aSScott Carter, SD IOSW } 2855febcb4aSScott Carter, SD IOSW 2867c478bd9Sstevel@tonic-gate ddi_intr_msix_t * 2877c478bd9Sstevel@tonic-gate i_ddi_get_msix(dev_info_t *dip) 2887c478bd9Sstevel@tonic-gate { 2897c478bd9Sstevel@tonic-gate devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 2907c478bd9Sstevel@tonic-gate 2917c478bd9Sstevel@tonic-gate return (intr_p ? intr_p->devi_msix_p : NULL); 2927c478bd9Sstevel@tonic-gate } 2937c478bd9Sstevel@tonic-gate 2947c478bd9Sstevel@tonic-gate void 2957c478bd9Sstevel@tonic-gate i_ddi_set_msix(dev_info_t *dip, ddi_intr_msix_t *msix_p) 2967c478bd9Sstevel@tonic-gate { 2977c478bd9Sstevel@tonic-gate devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 2987c478bd9Sstevel@tonic-gate 2997c478bd9Sstevel@tonic-gate if (intr_p) 3007c478bd9Sstevel@tonic-gate intr_p->devi_msix_p = msix_p; 3017c478bd9Sstevel@tonic-gate } 3027c478bd9Sstevel@tonic-gate 3035febcb4aSScott Carter, SD IOSW ddi_intr_handle_t 3047c478bd9Sstevel@tonic-gate i_ddi_get_intr_handle(dev_info_t *dip, int inum) 3057c478bd9Sstevel@tonic-gate { 3067c478bd9Sstevel@tonic-gate devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 3077c478bd9Sstevel@tonic-gate 3087c478bd9Sstevel@tonic-gate if (intr_p == NULL) 3097c478bd9Sstevel@tonic-gate return (NULL); 3107c478bd9Sstevel@tonic-gate 311e821bd34Sanish /* 312e821bd34Sanish * Changed this to a check and return NULL if an invalid inum 313e821bd34Sanish * is passed to retrieve a handle 314e821bd34Sanish */ 315e821bd34Sanish if ((inum < 0) || (inum >= intr_p->devi_intr_sup_nintrs)) 316e821bd34Sanish return (NULL); 3177c478bd9Sstevel@tonic-gate 3187c478bd9Sstevel@tonic-gate return ((intr_p->devi_intr_handle_p) ? 3197c478bd9Sstevel@tonic-gate intr_p->devi_intr_handle_p[inum] : NULL); 3207c478bd9Sstevel@tonic-gate } 3217c478bd9Sstevel@tonic-gate 3227c478bd9Sstevel@tonic-gate void 3235febcb4aSScott Carter, SD IOSW i_ddi_set_intr_handle(dev_info_t *dip, int inum, ddi_intr_handle_t intr_hdl) 3247c478bd9Sstevel@tonic-gate { 3257c478bd9Sstevel@tonic-gate devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 3267c478bd9Sstevel@tonic-gate 3277c478bd9Sstevel@tonic-gate if (intr_p == NULL) 3287c478bd9Sstevel@tonic-gate return; 3297c478bd9Sstevel@tonic-gate 330e821bd34Sanish /* 331e821bd34Sanish * Changed this to a check and return if an invalid inum 332e821bd34Sanish * is passed to set a handle 333e821bd34Sanish */ 334e821bd34Sanish if ((inum < 0) || (inum >= intr_p->devi_intr_sup_nintrs)) 335e821bd34Sanish return; 3367c478bd9Sstevel@tonic-gate 3375febcb4aSScott Carter, SD IOSW if (intr_hdl && (intr_p->devi_intr_handle_p == NULL)) { 3387c478bd9Sstevel@tonic-gate /* nintrs could be zero; so check for it first */ 3397c478bd9Sstevel@tonic-gate if (intr_p->devi_intr_sup_nintrs) 3407c478bd9Sstevel@tonic-gate intr_p->devi_intr_handle_p = kmem_zalloc( 3417c478bd9Sstevel@tonic-gate sizeof (ddi_intr_handle_t) * 3427c478bd9Sstevel@tonic-gate intr_p->devi_intr_sup_nintrs, KM_SLEEP); 3437c478bd9Sstevel@tonic-gate } 3447c478bd9Sstevel@tonic-gate 345a195726fSgovinda if (intr_p->devi_intr_handle_p) 3465febcb4aSScott Carter, SD IOSW intr_p->devi_intr_handle_p[inum] = intr_hdl; 3477c478bd9Sstevel@tonic-gate } 3487c478bd9Sstevel@tonic-gate 3497c478bd9Sstevel@tonic-gate /* 3507c478bd9Sstevel@tonic-gate * The "ddi-intr-weight" property contains the weight of each interrupt 3517c478bd9Sstevel@tonic-gate * associated with a dev_info node. For devices with multiple interrupts per 3527c478bd9Sstevel@tonic-gate * dev_info node, the total load of the device is "devi_intr_weight * nintr", 3537c478bd9Sstevel@tonic-gate * possibly spread out over multiple CPUs. 3547c478bd9Sstevel@tonic-gate * 3557c478bd9Sstevel@tonic-gate * Maintaining this as a property permits possible tweaking in the product 3567c478bd9Sstevel@tonic-gate * in response to customer problems via driver.conf property definitions at 3577c478bd9Sstevel@tonic-gate * the driver or the instance level. This does not mean that "ddi-intr_weight" 3587c478bd9Sstevel@tonic-gate * is a formal or committed interface. 3597c478bd9Sstevel@tonic-gate */ 3607c478bd9Sstevel@tonic-gate int32_t 3617c478bd9Sstevel@tonic-gate i_ddi_get_intr_weight(dev_info_t *dip) 3627c478bd9Sstevel@tonic-gate { 3637c478bd9Sstevel@tonic-gate int32_t weight; 3647c478bd9Sstevel@tonic-gate 3657c478bd9Sstevel@tonic-gate weight = ddi_prop_get_int(DDI_DEV_T_ANY, dip, 3667c478bd9Sstevel@tonic-gate DDI_PROP_DONTPASS | DDI_PROP_NOTPROM, "ddi-intr-weight", -1); 3677c478bd9Sstevel@tonic-gate if (weight < -1) 3687c478bd9Sstevel@tonic-gate weight = -1; /* undefined */ 3697c478bd9Sstevel@tonic-gate return (weight); 3707c478bd9Sstevel@tonic-gate } 3717c478bd9Sstevel@tonic-gate 3727c478bd9Sstevel@tonic-gate int32_t 3737c478bd9Sstevel@tonic-gate i_ddi_set_intr_weight(dev_info_t *dip, int32_t weight) 3747c478bd9Sstevel@tonic-gate { 3757c478bd9Sstevel@tonic-gate int32_t oweight; 3767c478bd9Sstevel@tonic-gate 3777c478bd9Sstevel@tonic-gate oweight = i_ddi_get_intr_weight(dip); 3787c478bd9Sstevel@tonic-gate if ((weight > 0) && (oweight != weight)) 3797c478bd9Sstevel@tonic-gate (void) ndi_prop_update_int(DDI_DEV_T_NONE, dip, 3807c478bd9Sstevel@tonic-gate "ddi-intr-weight", weight); 3817c478bd9Sstevel@tonic-gate return (oweight); 3827c478bd9Sstevel@tonic-gate } 3837c478bd9Sstevel@tonic-gate 3847c478bd9Sstevel@tonic-gate /* 3857c478bd9Sstevel@tonic-gate * Old DDI interrupt framework 3867c478bd9Sstevel@tonic-gate * 3877c478bd9Sstevel@tonic-gate * NOTE: 3887c478bd9Sstevel@tonic-gate * The following 4 busops entry points are obsoleted with version 3897c478bd9Sstevel@tonic-gate * 9 or greater. Use i_ddi_intr_op interface in place of these 3907c478bd9Sstevel@tonic-gate * obsolete interfaces. 3917c478bd9Sstevel@tonic-gate * 3927c478bd9Sstevel@tonic-gate * Remove these busops entry points and all related data structures 3937c478bd9Sstevel@tonic-gate * in future major/minor solaris release. 3947c478bd9Sstevel@tonic-gate */ 3957c478bd9Sstevel@tonic-gate 3967c478bd9Sstevel@tonic-gate /* ARGSUSED */ 3977c478bd9Sstevel@tonic-gate ddi_intrspec_t 3987c478bd9Sstevel@tonic-gate i_ddi_get_intrspec(dev_info_t *dip, dev_info_t *rdip, uint_t inumber) 3997c478bd9Sstevel@tonic-gate { 4007c478bd9Sstevel@tonic-gate dev_info_t *pdip = ddi_get_parent(dip); 4017c478bd9Sstevel@tonic-gate 4027c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "Failed to process interrupt " 4037c478bd9Sstevel@tonic-gate "for %s%d due to down-rev nexus driver %s%d", 404a195726fSgovinda ddi_driver_name(rdip), ddi_get_instance(rdip), 405a195726fSgovinda ddi_driver_name(pdip), ddi_get_instance(pdip)); 4067c478bd9Sstevel@tonic-gate 4077c478bd9Sstevel@tonic-gate return (NULL); 4087c478bd9Sstevel@tonic-gate } 4097c478bd9Sstevel@tonic-gate 4107c478bd9Sstevel@tonic-gate /* ARGSUSED */ 4117c478bd9Sstevel@tonic-gate int 4127c478bd9Sstevel@tonic-gate i_ddi_add_intrspec(dev_info_t *dip, dev_info_t *rdip, ddi_intrspec_t intrspec, 4137c478bd9Sstevel@tonic-gate ddi_iblock_cookie_t *iblock_cookiep, 4147c478bd9Sstevel@tonic-gate ddi_idevice_cookie_t *idevice_cookiep, 4157c478bd9Sstevel@tonic-gate uint_t (*int_handler)(caddr_t int_handler_arg), 4167c478bd9Sstevel@tonic-gate caddr_t int_handler_arg, int kind) 4177c478bd9Sstevel@tonic-gate { 4187c478bd9Sstevel@tonic-gate dev_info_t *pdip = ddi_get_parent(dip); 4197c478bd9Sstevel@tonic-gate 4207c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "Failed to process interrupt " 4217c478bd9Sstevel@tonic-gate "for %s%d due to down-rev nexus driver %s%d", 422a195726fSgovinda ddi_driver_name(rdip), ddi_get_instance(rdip), 423a195726fSgovinda ddi_driver_name(pdip), ddi_get_instance(pdip)); 4247c478bd9Sstevel@tonic-gate 4257c478bd9Sstevel@tonic-gate return (DDI_ENOTSUP); 4267c478bd9Sstevel@tonic-gate } 4277c478bd9Sstevel@tonic-gate 4287c478bd9Sstevel@tonic-gate /* ARGSUSED */ 4297c478bd9Sstevel@tonic-gate void 4307c478bd9Sstevel@tonic-gate i_ddi_remove_intrspec(dev_info_t *dip, dev_info_t *rdip, 4317c478bd9Sstevel@tonic-gate ddi_intrspec_t intrspec, ddi_iblock_cookie_t iblock_cookie) 4327c478bd9Sstevel@tonic-gate { 4337c478bd9Sstevel@tonic-gate dev_info_t *pdip = ddi_get_parent(dip); 4347c478bd9Sstevel@tonic-gate 4357c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "Failed to process interrupt " 4367c478bd9Sstevel@tonic-gate "for %s%d due to down-rev nexus driver %s%d", 437a195726fSgovinda ddi_driver_name(rdip), ddi_get_instance(rdip), 438a195726fSgovinda ddi_driver_name(pdip), ddi_get_instance(pdip)); 4397c478bd9Sstevel@tonic-gate } 4407c478bd9Sstevel@tonic-gate 4417c478bd9Sstevel@tonic-gate /* ARGSUSED */ 4427c478bd9Sstevel@tonic-gate int 4437c478bd9Sstevel@tonic-gate i_ddi_intr_ctlops(dev_info_t *dip, dev_info_t *rdip, ddi_intr_ctlop_t op, 4447c478bd9Sstevel@tonic-gate void *arg, void *val) 4457c478bd9Sstevel@tonic-gate { 4467c478bd9Sstevel@tonic-gate dev_info_t *pdip = ddi_get_parent(dip); 4477c478bd9Sstevel@tonic-gate 4487c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "Failed to process interrupt " 4497c478bd9Sstevel@tonic-gate "for %s%d due to down-rev nexus driver %s%d", 450a195726fSgovinda ddi_driver_name(rdip), ddi_get_instance(rdip), 451a195726fSgovinda ddi_driver_name(pdip), ddi_get_instance(pdip)); 4527c478bd9Sstevel@tonic-gate 4537c478bd9Sstevel@tonic-gate return (DDI_ENOTSUP); 4547c478bd9Sstevel@tonic-gate } 455d12abe7cSanish 456d12abe7cSanish #if defined(__i386) || defined(__amd64) 457d12abe7cSanish ddi_acc_handle_t 458d12abe7cSanish i_ddi_get_pci_config_handle(dev_info_t *dip) 459d12abe7cSanish { 460d12abe7cSanish devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 461d12abe7cSanish 462d12abe7cSanish return (intr_p ? intr_p->devi_cfg_handle : NULL); 463d12abe7cSanish } 464d12abe7cSanish 465d12abe7cSanish void 466d12abe7cSanish i_ddi_set_pci_config_handle(dev_info_t *dip, ddi_acc_handle_t handle) 467d12abe7cSanish { 468d12abe7cSanish devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 469d12abe7cSanish 470d12abe7cSanish if (intr_p) 471d12abe7cSanish intr_p->devi_cfg_handle = handle; 472d12abe7cSanish } 473d12abe7cSanish 474d12abe7cSanish 475d12abe7cSanish int 476d12abe7cSanish i_ddi_get_msi_msix_cap_ptr(dev_info_t *dip) 477d12abe7cSanish { 478d12abe7cSanish devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 479d12abe7cSanish 480d12abe7cSanish return (intr_p ? intr_p->devi_cap_ptr : 0); 481d12abe7cSanish } 482d12abe7cSanish 483d12abe7cSanish void 484d12abe7cSanish i_ddi_set_msi_msix_cap_ptr(dev_info_t *dip, int cap_ptr) 485d12abe7cSanish { 486d12abe7cSanish devinfo_intr_t *intr_p = DEVI(dip)->devi_intr_p; 487d12abe7cSanish 488d12abe7cSanish if (intr_p) 489d12abe7cSanish intr_p->devi_cap_ptr = cap_ptr; 490d12abe7cSanish } 491d12abe7cSanish #endif 492ef643aefSegillett 493ef643aefSegillett /* ARGSUSED */ 494ef643aefSegillett uint_t 495ef643aefSegillett i_ddi_get_msix_alloc_limit(dev_info_t *dip) 496ef643aefSegillett { 497ef643aefSegillett uint_t msix_alloc_limit = ddi_msix_alloc_limit; 498ef643aefSegillett 499ef643aefSegillett #if defined(__sparc) 500ef643aefSegillett if (ddi_prop_exists(DDI_DEV_T_ANY, dip, DDI_PROP_NOTPROM | 501ef643aefSegillett DDI_PROP_DONTPASS, "#msix-request")) { 502ef643aefSegillett msix_alloc_limit = MAX(DDI_MAX_MSIX_ALLOC, 503ef643aefSegillett ddi_msix_alloc_limit); 504ef643aefSegillett } 505ef643aefSegillett #endif 506ef643aefSegillett 507ef643aefSegillett return (msix_alloc_limit); 508ef643aefSegillett } 509