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 * Copyright 2018 Joyent, Inc. 24 */ 25 26 #include "intr_common.h" 27 #include <sys/apic_timer.h> 28 29 /* 30 * Globals 31 */ 32 static struct av_head avec_tbl[APIC_MAX_VECTOR+1]; 33 static apic_irq_t *irq_tbl[APIC_MAX_VECTOR+1], airq; 34 static char level_tbl[APIC_MAX_VECTOR+1]; 35 36 /* 37 * Dump interrupt information for pcplusmp PSM. 38 */ 39 /* ARGSUSED */ 40 int 41 interrupt_dump_apic(uintptr_t addr, uint_t flags, int argc, 42 const mdb_arg_t *argv) 43 { 44 int i; 45 46 option_flags = 0; 47 if (mdb_getopts(argc, argv, 48 'd', MDB_OPT_SETBITS, INTR_DISPLAY_DRVR_INST, &option_flags, 49 'i', MDB_OPT_SETBITS, INTR_DISPLAY_INTRSTAT, &option_flags, 50 NULL) != argc) 51 return (DCMD_USAGE); 52 53 if (mdb_readvar(&irq_tbl, "apic_irq_table") == -1) { 54 mdb_warn("failed to read apic_irq_table"); 55 return (DCMD_ERR); 56 } 57 58 if (mdb_readvar(&level_tbl, "apic_level_intr") == -1) { 59 mdb_warn("failed to read apic_level_intr"); 60 return (DCMD_ERR); 61 } 62 63 if (mdb_readvar(&avec_tbl, "autovect") == -1) { 64 mdb_warn("failed to read autovect"); 65 return (DCMD_ERR); 66 } 67 68 /* Print the header first */ 69 if (option_flags & INTR_DISPLAY_INTRSTAT) 70 mdb_printf("%<u>CPU "); 71 else 72 mdb_printf( 73 "%<u>IRQ Vect IPL Bus Trg Type CPU Share APIC/INT# "); 74 mdb_printf("%s %</u>\n", option_flags & INTR_DISPLAY_DRVR_INST ? 75 "Driver Name(s)" : "ISR(s)"); 76 77 /* Walk all the entries */ 78 for (i = 0; i < APIC_MAX_VECTOR + 1; i++) { 79 /* Read the entry */ 80 if (mdb_vread(&airq, sizeof (apic_irq_t), 81 (uintptr_t)irq_tbl[i]) == -1) 82 continue; 83 84 apic_interrupt_dump(&airq, &avec_tbl[i], i, NULL, level_tbl[i]); 85 } 86 87 return (DCMD_OK); 88 } 89 90 91 /* 92 * MDB module linkage information: 93 * 94 * We declare a list of structures describing our dcmds, and a function 95 * named _mdb_init to return a pointer to our module information. 96 */ 97 static const mdb_dcmd_t dcmds[] = { 98 { "interrupts", "?[-di]", "print interrupts", interrupt_dump_apic, 99 interrupt_help}, 100 { "softint", "?[-d]", "print soft interrupts", soft_interrupt_dump, 101 soft_interrupt_help}, 102 #ifdef _KMDB 103 { "apic", NULL, "print apic register contents", apic }, 104 { "ioapic", NULL, "print ioapic register contents", ioapic }, 105 #endif /* _KMDB */ 106 { NULL } 107 }; 108 109 static const mdb_modinfo_t modinfo = { MDB_API_VERSION, dcmds, NULL }; 110 111 const mdb_modinfo_t * 112 _mdb_init(void) 113 { 114 GElf_Sym sym; 115 116 if (mdb_lookup_by_name("gld_intr", &sym) != -1) 117 if (GELF_ST_TYPE(sym.st_info) == STT_FUNC) 118 gld_intr_addr = (uintptr_t)sym.st_value; 119 120 if (mdb_readvar(&apic_pir_vect, "apic_pir_vect") == -1) { 121 apic_pir_vect = -1; 122 } 123 124 return (&modinfo); 125 } 126