1 | /* $NetBSD: acpi_debug.c,v 1.5 2014/02/25 18:30:09 pooka Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 2010 Jukka Ruohonen <jruohonen@iki.fi> |
5 | * All rights reserved. |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
8 | * modification, are permitted provided that the following conditions |
9 | * are met: |
10 | * |
11 | * 1. Redistributions of source code must retain the above copyright |
12 | * notice, this list of conditions and the following disclaimer. |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
14 | * notice, this list of conditions and the following disclaimer in the |
15 | * documentation and/or other materials provided with the distribution. |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
27 | * SUCH DAMAGE. |
28 | */ |
29 | #include <sys/cdefs.h> |
30 | __KERNEL_RCSID(0, "$NetBSD: acpi_debug.c,v 1.5 2014/02/25 18:30:09 pooka Exp $" ); |
31 | |
32 | #include <sys/param.h> |
33 | #include <sys/sysctl.h> |
34 | |
35 | #include <dev/acpi/acpireg.h> |
36 | #include <dev/acpi/acpivar.h> |
37 | |
38 | #include <prop/proplib.h> |
39 | |
40 | #ifdef ACPI_DEBUG |
41 | |
42 | #define _COMPONENT ACPI_UTILITIES |
43 | ACPI_MODULE_NAME ("acpi_debug" ) |
44 | |
45 | #define ACPI_DEBUG_MAX 64 |
46 | #define ACPI_DEBUG_NONE 0 |
47 | |
48 | #define ACPI_DEBUG_ADD(d, x) \ |
49 | do { \ |
50 | (void)prop_dictionary_set_uint32(d, #x, x); \ |
51 | \ |
52 | } while (/* CONSTCOND */ 0) |
53 | |
54 | |
55 | static prop_dictionary_t acpi_debug_layer_d; |
56 | static prop_dictionary_t acpi_debug_level_d; |
57 | static char acpi_debug_layer_s[ACPI_DEBUG_MAX]; |
58 | static char acpi_debug_level_s[ACPI_DEBUG_MAX]; |
59 | |
60 | static int acpi_debug_create(void); |
61 | static const char *acpi_debug_getkey(prop_dictionary_t, uint32_t); |
62 | static int acpi_debug_sysctl_layer(SYSCTLFN_PROTO); |
63 | static int acpi_debug_sysctl_level(SYSCTLFN_PROTO); |
64 | |
65 | void |
66 | acpi_debug_init(void) |
67 | { |
68 | const struct sysctlnode *rnode; |
69 | const char *layer, *level; |
70 | int rv; |
71 | |
72 | KASSERT(acpi_debug_layer_d == NULL); |
73 | KASSERT(acpi_debug_level_d == NULL); |
74 | |
75 | rv = acpi_debug_create(); |
76 | |
77 | if (rv != 0) |
78 | goto fail; |
79 | |
80 | rv = sysctl_createv(NULL, 0, NULL, &rnode, |
81 | CTLFLAG_PERMANENT, CTLTYPE_NODE, "acpi" , |
82 | NULL, NULL, 0, NULL, 0, |
83 | CTL_HW, CTL_CREATE, CTL_EOL); |
84 | |
85 | if (rv != 0) |
86 | goto fail; |
87 | |
88 | rv = sysctl_createv(NULL, 0, &rnode, &rnode, |
89 | 0, CTLTYPE_NODE, "debug" , |
90 | SYSCTL_DESCR("ACPI debug subtree" ), |
91 | NULL, 0, NULL, 0, |
92 | CTL_CREATE, CTL_EOL); |
93 | |
94 | if (rv != 0) |
95 | goto fail; |
96 | |
97 | rv = sysctl_createv(NULL, 0, &rnode, NULL, |
98 | CTLFLAG_READWRITE, CTLTYPE_STRING, "layer" , |
99 | SYSCTL_DESCR("ACPI debug layer" ), |
100 | acpi_debug_sysctl_layer, 0, acpi_debug_layer_s, ACPI_DEBUG_MAX, |
101 | CTL_CREATE, CTL_EOL); |
102 | |
103 | if (rv != 0) |
104 | goto fail; |
105 | |
106 | rv = sysctl_createv(NULL, 0, &rnode, NULL, |
107 | CTLFLAG_READWRITE, CTLTYPE_STRING, "level" , |
108 | SYSCTL_DESCR("ACPI debug level" ), |
109 | acpi_debug_sysctl_level, 0, acpi_debug_level_s, ACPI_DEBUG_MAX, |
110 | CTL_CREATE, CTL_EOL); |
111 | |
112 | if (rv != 0) |
113 | goto fail; |
114 | |
115 | rv = sysctl_createv(NULL, 0, &rnode, NULL, |
116 | CTLFLAG_READWRITE, CTLTYPE_BOOL, "object" , |
117 | SYSCTL_DESCR("ACPI debug object" ), |
118 | NULL, 0, &AcpiGbl_EnableAmlDebugObject, 0, |
119 | CTL_CREATE, CTL_EOL); |
120 | |
121 | if (rv != 0) |
122 | goto fail; |
123 | |
124 | layer = acpi_debug_getkey(acpi_debug_layer_d, AcpiDbgLayer); |
125 | level = acpi_debug_getkey(acpi_debug_level_d, AcpiDbgLevel); |
126 | |
127 | (void)memcpy(acpi_debug_layer_s, layer, ACPI_DEBUG_MAX); |
128 | (void)memcpy(acpi_debug_level_s, level, ACPI_DEBUG_MAX); |
129 | |
130 | return; |
131 | |
132 | fail: |
133 | aprint_error("acpi0: failed to initialize ACPI debug\n" ); |
134 | } |
135 | |
136 | static int |
137 | acpi_debug_create(void) |
138 | { |
139 | |
140 | acpi_debug_layer_d = prop_dictionary_create(); |
141 | acpi_debug_level_d = prop_dictionary_create(); |
142 | |
143 | KASSERT(acpi_debug_layer_d != NULL); |
144 | KASSERT(acpi_debug_level_d != NULL); |
145 | |
146 | /* |
147 | * General components. |
148 | */ |
149 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_UTILITIES); |
150 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_HARDWARE); |
151 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_EVENTS); |
152 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_TABLES); |
153 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_NAMESPACE); |
154 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_PARSER); |
155 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_DISPATCHER); |
156 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_EXECUTER); |
157 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_RESOURCES); |
158 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_CA_DEBUGGER); |
159 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_OS_SERVICES); |
160 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_CA_DISASSEMBLER); |
161 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_COMPILER); |
162 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_TOOLS); |
163 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_EXAMPLE); |
164 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_DRIVER); |
165 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_ALL_COMPONENTS); |
166 | |
167 | /* |
168 | * NetBSD specific components. |
169 | */ |
170 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_BUS_COMPONENT); |
171 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_ACAD_COMPONENT); |
172 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_BAT_COMPONENT); |
173 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_BUTTON_COMPONENT); |
174 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_EC_COMPONENT); |
175 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_LID_COMPONENT); |
176 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_RESOURCE_COMPONENT); |
177 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_TZ_COMPONENT); |
178 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_DISPLAY_COMPONENT); |
179 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_ALL_DRIVERS); |
180 | |
181 | /* |
182 | * Debug levels. |
183 | */ |
184 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_INIT); |
185 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_DEBUG_OBJECT); |
186 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_INFO); |
187 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_ALL_EXCEPTIONS); |
188 | |
189 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_INIT_NAMES); |
190 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_PARSE); |
191 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_LOAD); |
192 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_DISPATCH); |
193 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_EXEC); |
194 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_NAMES); |
195 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_OPREGION); |
196 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_BFIELD); |
197 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_TABLES); |
198 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_VALUES); |
199 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_OBJECTS); |
200 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_RESOURCES); |
201 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_USER_REQUESTS); |
202 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_PACKAGE); |
203 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_VERBOSITY1); |
204 | |
205 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_ALLOCATIONS); |
206 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_FUNCTIONS); |
207 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_OPTIMIZATIONS); |
208 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_VERBOSITY2); |
209 | |
210 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_MUTEX); |
211 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_THREADS); |
212 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_IO); |
213 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_INTERRUPTS); |
214 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_VERBOSITY3); |
215 | |
216 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_AML_DISASSEMBLE); |
217 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_VERBOSE_INFO); |
218 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_FULL_TABLES); |
219 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_EVENTS); |
220 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_LV_VERBOSE); |
221 | |
222 | /* |
223 | * The default debug level. |
224 | */ |
225 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_DEBUG_DEFAULT); |
226 | |
227 | /* |
228 | * A custom ACPI_DEBUG_NONE disables debugging. |
229 | */ |
230 | ACPI_DEBUG_ADD(acpi_debug_layer_d, ACPI_DEBUG_NONE); |
231 | ACPI_DEBUG_ADD(acpi_debug_level_d, ACPI_DEBUG_NONE); |
232 | |
233 | prop_dictionary_make_immutable(acpi_debug_layer_d); |
234 | prop_dictionary_make_immutable(acpi_debug_level_d); |
235 | |
236 | return 0; |
237 | } |
238 | |
239 | static const char * |
240 | acpi_debug_getkey(prop_dictionary_t dict, uint32_t arg) |
241 | { |
242 | prop_object_iterator_t i; |
243 | prop_object_t obj, val; |
244 | const char *key; |
245 | uint32_t num; |
246 | |
247 | i = prop_dictionary_iterator(dict); |
248 | |
249 | while ((obj = prop_object_iterator_next(i)) != NULL) { |
250 | |
251 | key = prop_dictionary_keysym_cstring_nocopy(obj); |
252 | val = prop_dictionary_get(dict, key); |
253 | num = prop_number_unsigned_integer_value(val); |
254 | |
255 | if (arg == num) |
256 | return key; |
257 | } |
258 | |
259 | return "UNKNOWN" ; |
260 | } |
261 | |
262 | static int |
263 | acpi_debug_sysctl_layer(SYSCTLFN_ARGS) |
264 | { |
265 | char buf[ACPI_DEBUG_MAX]; |
266 | struct sysctlnode node; |
267 | prop_object_t obj; |
268 | int error; |
269 | |
270 | node = *rnode; |
271 | node.sysctl_data = buf; |
272 | |
273 | (void)memcpy(node.sysctl_data, rnode->sysctl_data, ACPI_DEBUG_MAX); |
274 | |
275 | error = sysctl_lookup(SYSCTLFN_CALL(&node)); |
276 | |
277 | if (error || newp == NULL) |
278 | return error; |
279 | |
280 | obj = prop_dictionary_get(acpi_debug_layer_d, node.sysctl_data); |
281 | |
282 | if (obj == NULL) |
283 | return EINVAL; |
284 | |
285 | AcpiDbgLayer = prop_number_unsigned_integer_value(obj); |
286 | |
287 | (void)memcpy(rnode->sysctl_data, node.sysctl_data, ACPI_DEBUG_MAX); |
288 | |
289 | return 0; |
290 | } |
291 | |
292 | static int |
293 | acpi_debug_sysctl_level(SYSCTLFN_ARGS) |
294 | { |
295 | char buf[ACPI_DEBUG_MAX]; |
296 | struct sysctlnode node; |
297 | prop_object_t obj; |
298 | int error; |
299 | |
300 | node = *rnode; |
301 | node.sysctl_data = buf; |
302 | |
303 | (void)memcpy(node.sysctl_data, rnode->sysctl_data, ACPI_DEBUG_MAX); |
304 | |
305 | error = sysctl_lookup(SYSCTLFN_CALL(&node)); |
306 | |
307 | if (error || newp == NULL) |
308 | return error; |
309 | |
310 | obj = prop_dictionary_get(acpi_debug_level_d, node.sysctl_data); |
311 | |
312 | if (obj == NULL) |
313 | return EINVAL; |
314 | |
315 | AcpiDbgLevel = prop_number_unsigned_integer_value(obj); |
316 | |
317 | (void)memcpy(rnode->sysctl_data, node.sysctl_data, ACPI_DEBUG_MAX); |
318 | |
319 | return 0; |
320 | } |
321 | |
322 | #endif /* ACPI_DEBUG */ |
323 | |