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 #include <sys/apic_timer.h> 27 28 /* 29 * Globals 30 */ 31 static struct av_head avec_tbl[APIC_MAX_VECTOR+1]; 32 static apic_irq_t *irq_tbl[APIC_MAX_VECTOR+1], airq; 33 static char level_tbl[APIC_MAX_VECTOR+1]; 34 35 /* 36 * Dump interrupt information for pcplusmp PSM. 37 */ 38 /* ARGSUSED */ 39 int 40 interrupt_dump_apic(uintptr_t addr, uint_t flags, int argc, 41 const mdb_arg_t *argv) 42 { 43 int i; 44 45 option_flags = 0; 46 if (mdb_getopts(argc, argv, 47 'd', MDB_OPT_SETBITS, INTR_DISPLAY_DRVR_INST, &option_flags, 48 'i', MDB_OPT_SETBITS, INTR_DISPLAY_INTRSTAT, &option_flags, 49 NULL) != argc) 50 return (DCMD_USAGE); 51 52 if (mdb_readvar(&irq_tbl, "apic_irq_table") == -1) { 53 mdb_warn("failed to read apic_irq_table"); 54 return (DCMD_ERR); 55 } 56 57 if (mdb_readvar(&level_tbl, "apic_level_intr") == -1) { 58 mdb_warn("failed to read apic_level_intr"); 59 return (DCMD_ERR); 60 } 61 62 if (mdb_readvar(&avec_tbl, "autovect") == -1) { 63 mdb_warn("failed to read autovect"); 64 return (DCMD_ERR); 65 } 66 67 /* Print the header first */ 68 if (option_flags & INTR_DISPLAY_INTRSTAT) 69 mdb_printf("%<u>CPU "); 70 else 71 mdb_printf( 72 "%<u>IRQ Vect IPL Bus Trg Type CPU Share APIC/INT# "); 73 mdb_printf("%s %</u>\n", option_flags & INTR_DISPLAY_DRVR_INST ? 74 "Driver Name(s)" : "ISR(s)"); 75 76 /* Walk all the entries */ 77 for (i = 0; i < APIC_MAX_VECTOR + 1; i++) { 78 /* Read the entry */ 79 if (mdb_vread(&airq, sizeof (apic_irq_t), 80 (uintptr_t)irq_tbl[i]) == -1) 81 continue; 82 83 apic_interrupt_dump(&airq, &avec_tbl[i], i, NULL, level_tbl[i]); 84 } 85 86 return (DCMD_OK); 87 } 88 89 90 /* 91 * MDB module linkage information: 92 * 93 * We declare a list of structures describing our dcmds, and a function 94 * named _mdb_init to return a pointer to our module information. 95 */ 96 static const mdb_dcmd_t dcmds[] = { 97 { "interrupts", "?[-di]", "print interrupts", interrupt_dump_apic, 98 interrupt_help}, 99 { "softint", "?[-d]", "print soft interrupts", soft_interrupt_dump, 100 soft_interrupt_help}, 101 #ifdef _KMDB 102 { "apic", NULL, "print apic register contents", apic }, 103 { "ioapic", NULL, "print ioapic register contents", ioapic }, 104 #endif /* _KMDB */ 105 { NULL } 106 }; 107 108 static const mdb_modinfo_t modinfo = { MDB_API_VERSION, dcmds, NULL }; 109 110 const mdb_modinfo_t * 111 _mdb_init(void) 112 { 113 GElf_Sym sym; 114 115 if (mdb_lookup_by_name("gld_intr", &sym) != -1) 116 if (GELF_ST_TYPE(sym.st_info) == STT_FUNC) 117 gld_intr_addr = (uintptr_t)sym.st_value; 118 119 return (&modinfo); 120 } 121