1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 23 */ 24 25 #include "intr_common.h" 26 27 /* 28 * Globals 29 */ 30 static struct av_head avec_tbl[APIC_MAX_VECTOR+1]; 31 static apic_irq_t *irq_tbl[APIC_MAX_VECTOR+1], airq; 32 static char level_tbl[APIC_MAX_VECTOR+1]; 33 34 /* 35 * Dump interrupt information for pcplusmp PSM. 36 */ 37 /* ARGSUSED */ 38 int 39 interrupt_dump_apic(uintptr_t addr, uint_t flags, int argc, 40 const mdb_arg_t *argv) 41 { 42 int i; 43 44 option_flags = 0; 45 if (mdb_getopts(argc, argv, 46 'd', MDB_OPT_SETBITS, INTR_DISPLAY_DRVR_INST, &option_flags, 47 'i', MDB_OPT_SETBITS, INTR_DISPLAY_INTRSTAT, &option_flags, 48 NULL) != argc) 49 return (DCMD_USAGE); 50 51 if (mdb_readvar(&irq_tbl, "apic_irq_table") == -1) { 52 mdb_warn("failed to read apic_irq_table"); 53 return (DCMD_ERR); 54 } 55 56 if (mdb_readvar(&level_tbl, "apic_level_intr") == -1) { 57 mdb_warn("failed to read apic_level_intr"); 58 return (DCMD_ERR); 59 } 60 61 if (mdb_readvar(&avec_tbl, "autovect") == -1) { 62 mdb_warn("failed to read autovect"); 63 return (DCMD_ERR); 64 } 65 66 /* Print the header first */ 67 if (option_flags & INTR_DISPLAY_INTRSTAT) 68 mdb_printf("%<u>CPU "); 69 else 70 mdb_printf( 71 "%<u>IRQ Vect IPL Bus Trg Type CPU Share APIC/INT# "); 72 mdb_printf("%s %</u>\n", option_flags & INTR_DISPLAY_DRVR_INST ? 73 "Driver Name(s)" : "ISR(s)"); 74 75 /* Walk all the entries */ 76 for (i = 0; i < APIC_MAX_VECTOR + 1; i++) { 77 /* Read the entry */ 78 if (mdb_vread(&airq, sizeof (apic_irq_t), 79 (uintptr_t)irq_tbl[i]) == -1) 80 continue; 81 82 apic_interrupt_dump(&airq, &avec_tbl[i], i, NULL, level_tbl[i]); 83 } 84 85 return (DCMD_OK); 86 } 87 88 89 /* 90 * MDB module linkage information: 91 * 92 * We declare a list of structures describing our dcmds, and a function 93 * named _mdb_init to return a pointer to our module information. 94 */ 95 static const mdb_dcmd_t dcmds[] = { 96 { "interrupts", "?[-di]", "print interrupts", interrupt_dump_apic, 97 interrupt_help}, 98 { "softint", "?[-d]", "print soft interrupts", soft_interrupt_dump, 99 soft_interrupt_help}, 100 #ifdef _KMDB 101 { "apic", NULL, "print apic register contents", apic }, 102 { "ioapic", NULL, "print ioapic register contents", ioapic }, 103 #endif /* _KMDB */ 104 { NULL } 105 }; 106 107 static const mdb_modinfo_t modinfo = { MDB_API_VERSION, dcmds, NULL }; 108 109 const mdb_modinfo_t * 110 _mdb_init(void) 111 { 112 GElf_Sym sym; 113 114 if (mdb_lookup_by_name("gld_intr", &sym) != -1) 115 if (GELF_ST_TYPE(sym.st_info) == STT_FUNC) 116 gld_intr_addr = (uintptr_t)sym.st_value; 117 118 return (&modinfo); 119 } 120