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10597 would like a way to set NMI behavior at boot
Reviewed by: Robert Mustacchi <rm@joyent.com>
Reviewed by: Andy Fiddaman <andy@omniosce.org>
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--- old/usr/src/uts/i86pc/sys/apic_common.h
+++ new/usr/src/uts/i86pc/sys/apic_common.h
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
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16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21 /*
22 22 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
23 23 * Copyright (c) 2017 by Delphix. All rights reserved.
24 24 */
25 25 /*
26 - * Copyright 2018 Joyent, Inc.
26 + * Copyright 2019, Joyent, Inc.
27 27 */
28 28
29 29 #ifndef _SYS_APIC_COMMON_H
30 30 #define _SYS_APIC_COMMON_H
31 31
32 32 #include <sys/psm_types.h>
33 33 #include <sys/avintr.h>
34 34 #include <sys/privregs.h>
35 35 #include <sys/pci.h>
36 36 #include <sys/cyclic.h>
37 37
38 38 #ifdef __cplusplus
39 39 extern "C" {
40 40 #endif
41 41
42 42 /*
43 43 * Functions & Variables common to pcplusmp & apix
44 44 */
45 45
46 46 #include <sys/psm_common.h>
47 47
48 48 /* Methods for multiple IOAPIC */
49 49 enum apic_ioapic_method_type {
50 50 APIC_MUL_IOAPIC_NONE, /* use to disable pcplusmp fallback */
51 51 APIC_MUL_IOAPIC_MASK, /* Set RT Entry Mask bit before EOI */
52 52 APIC_MUL_IOAPIC_DEOI, /* Directed EOI */
53 53 APIC_MUL_IOAPIC_IOXAPIC, /* IOxAPIC */
54 54 APIC_MUL_IOAPIC_IIR, /* IOMMU interrup remapping */
55 55 APIC_MUL_IOAPIC_PCPLUSMP /* Fall back to old pcplusmp */
56 56 };
57 57
58 58 #define APIX_IS_DIRECTED_EOI(type) \
59 59 ((type) == APIC_MUL_IOAPIC_DEOI || (type) == APIC_MUL_IOAPIC_IIR)
60 60 #define APIX_IS_MASK_RDT(type) \
61 61 ((type) == APIC_MUL_IOAPIC_NONE || (type) == APIC_MUL_IOAPIC_MASK)
62 62
63 63 extern int apix_enable;
64 64 extern int apix_loaded(void);
65 65 extern enum apic_ioapic_method_type apix_mul_ioapic_method;
66 66
67 67 extern int apic_oneshot;
68 68 /* to allow disabling one-shot capability */
69 69 extern int apic_oneshot_enable;
70 70
71 71 /* Now the ones for Dynamic Interrupt distribution */
72 72 extern int apic_enable_dynamic_migration;
73 73
74 74 extern int apic_have_32bit_cr8;
75 75
76 76 extern struct psm_ops *psmops;
77 77
78 78 /*
79 79 * These variables are frequently accessed in apic_intr_enter(),
80 80 * apic_intr_exit and apic_setspl, so group them together
81 81 */
82 82 extern volatile uint32_t *apicadr; /* virtual addr of local APIC */
83 83 extern uchar_t apic_io_vectbase[MAX_IO_APIC];
84 84 extern uchar_t apic_io_vectend[MAX_IO_APIC];
85 85 extern uchar_t apic_io_ver[MAX_IO_APIC];
86 86 extern int apic_io_max;
87 87 extern int apic_nvidia_io_max;
88 88 extern int apic_setspl_delay; /* apic_setspl - delay enable */
89 89 extern int apic_clkvect;
90 90
91 91 /* vector at which error interrupts come in */
92 92 extern int apic_errvect;
93 93 extern int apic_enable_error_intr;
94 94 extern int apic_error_display_delay;
95 95
96 96 /* vector at which performance counter overflow interrupts come in */
97 97 extern int apic_cpcovf_vect;
98 98 extern int apic_enable_cpcovf_intr;
99 99
100 100 /* vector at which CMCI interrupts come in */
101 101 extern int apic_cmci_vect;
102 102 extern int cmi_enable_cmci;
103 103 extern void cmi_cmci_trap(void);
104 104
105 105 extern kmutex_t cmci_cpu_setup_lock; /* protects cmci_cpu_setup_registered */
106 106 extern int cmci_cpu_setup_registered;
107 107
108 108 extern int apic_forceload;
109 109
110 110 extern int apic_coarse_hrtime; /* 0 - use accurate slow gethrtime() */
111 111 /* 1 - use gettime() for performance */
112 112 extern int apic_flat_model; /* 0 - clustered. 1 - flat */
113 113
114 114 extern int apic_panic_on_nmi;
115 115 extern int apic_panic_on_apic_error;
116 116
117 117 extern int apic_verbose;
118 118
119 119 extern int apic_pir_vect;
120 120
121 121 #ifdef DEBUG
122 122 extern int apic_debug;
123 123 extern int apic_restrict_vector;
124 124
125 125 extern int apic_debug_msgbuf[APIC_DEBUG_MSGBUFSIZE];
126 126 extern int apic_debug_msgbufindex;
127 127
128 128 #endif /* DEBUG */
129 129
130 130 extern uint_t apic_nsec_per_intr;
131 131 extern uint_t apic_nticks;
132 132 extern uint_t apic_skipped_redistribute;
133 133
134 134 extern uint_t last_count_read;
135 135 extern lock_t apic_mode_switch_lock;
136 136 extern lock_t apic_gethrtime_lock;
137 137 extern volatile int apic_hrtime_stamp;
138 138 extern volatile hrtime_t apic_nsec_since_boot;
139 139 extern uint_t apic_hertz_count;
140 140
141 141 extern uint64_t apic_ticks_per_SFnsecs; /* # of ticks in SF nsecs */
142 142
143 143 extern int apic_hrtime_error;
144 144 extern int apic_remote_hrterr;
145 145 extern int apic_num_nmis;
146 146 extern int apic_apic_error;
147 147 extern int apic_num_apic_errors;
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148 148 extern int apic_num_cksum_errors;
149 149
150 150 extern int apic_error;
151 151
152 152 /* use to make sure only one cpu handles the nmi */
153 153 extern lock_t apic_nmi_lock;
154 154 /* use to make sure only one cpu handles the error interrupt */
155 155 extern lock_t apic_error_lock;
156 156
157 157 /* Patchable global variables. */
158 -extern int apic_kmdb_on_nmi; /* 0 - no, 1 - yes enter kmdb */
159 158 extern uint32_t apic_divide_reg_init; /* 0 - divide by 2 */
160 159
161 160 extern apic_intrmap_ops_t *apic_vt_ops;
162 161
163 162 #ifdef DEBUG
164 163 extern int apic_break_on_cpu;
165 164 extern int apic_stretch_interrupts;
166 165 extern int apic_stretch_ISR; /* IPL of 3 matches nothing now */
167 166 #endif
168 167
169 168 extern cyclic_id_t apic_cyclic_id;
170 169
171 170 extern void apic_nmi_intr(caddr_t arg, struct regs *rp);
172 171 extern int apic_clkinit();
173 172 extern hrtime_t apic_gettime();
174 173 extern hrtime_t apic_gethrtime();
175 174 extern int apic_cpu_start(processorid_t cpuid, caddr_t ctx);
176 175 extern int apic_cpu_stop(processorid_t cpuid, caddr_t ctx);
177 176 extern int apic_cpu_add(psm_cpu_request_t *reqp);
178 177 extern int apic_cpu_remove(psm_cpu_request_t *reqp);
179 178 extern int apic_cpu_ops(psm_cpu_request_t *reqp);
180 179 extern void apic_switch_ipi_callback(boolean_t enter);
181 180 extern void apic_send_ipi(int cpun, int ipl);
182 181 extern void apic_set_idlecpu(processorid_t cpun);
183 182 extern void apic_unset_idlecpu(processorid_t cpun);
184 183 extern void apic_shutdown(int cmd, int fcn);
185 184 extern void apic_preshutdown(int cmd, int fcn);
186 185 extern processorid_t apic_get_next_processorid(processorid_t cpun);
187 186 extern uint64_t apic_calibrate();
188 187 extern int apic_get_pir_ipivect(void);
189 188 extern void apic_send_pir_ipi(processorid_t);
190 189
191 190 extern int apic_error_intr();
192 191 extern void apic_cpcovf_mask_clear(void);
193 192 extern void apic_cmci_setup(processorid_t, boolean_t);
194 193 extern void apic_intrmap_init(int apic_mode);
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195 194 extern processorid_t apic_find_cpu(int flag);
196 195 extern processorid_t apic_get_next_bind_cpu(void);
197 196
198 197 extern int apic_support_msi;
199 198 extern int apic_multi_msi_enable;
200 199 extern int apic_msix_enable;
201 200
202 201 extern uint32_t apic_get_localapicid(uint32_t cpuid);
203 202 extern uchar_t apic_get_ioapicid(uchar_t ioapicindex);
204 203
204 +typedef enum nmi_action {
205 + NMI_ACTION_UNSET,
206 + NMI_ACTION_PANIC,
207 + NMI_ACTION_IGNORE,
208 + NMI_ACTION_KMDB
209 +} nmi_action_t;
210 +
211 +extern nmi_action_t nmi_action;
212 +
205 213 #ifdef __cplusplus
206 214 }
207 215 #endif
208 216
209 217 #endif /* _SYS_APIC_COMMON_H */
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