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
interrupt_dump_apic(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)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 *
_mdb_init(void)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