diff options
author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 18:20:36 -0400 |
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committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 18:20:36 -0400 |
commit | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch) | |
tree | 0bba044c4ce775e45a88a51686b5d9f90697ea9d /drivers/acpi/utilities/utinit.c |
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
Diffstat (limited to 'drivers/acpi/utilities/utinit.c')
-rw-r--r-- | drivers/acpi/utilities/utinit.c | 266 |
1 files changed, 266 insertions, 0 deletions
diff --git a/drivers/acpi/utilities/utinit.c b/drivers/acpi/utilities/utinit.c new file mode 100644 index 000000000000..bdbadaf48d29 --- /dev/null +++ b/drivers/acpi/utilities/utinit.c | |||
@@ -0,0 +1,266 @@ | |||
1 | /****************************************************************************** | ||
2 | * | ||
3 | * Module Name: utinit - Common ACPI subsystem initialization | ||
4 | * | ||
5 | *****************************************************************************/ | ||
6 | |||
7 | /* | ||
8 | * Copyright (C) 2000 - 2005, R. Byron Moore | ||
9 | * All rights reserved. | ||
10 | * | ||
11 | * Redistribution and use in source and binary forms, with or without | ||
12 | * modification, are permitted provided that the following conditions | ||
13 | * are met: | ||
14 | * 1. Redistributions of source code must retain the above copyright | ||
15 | * notice, this list of conditions, and the following disclaimer, | ||
16 | * without modification. | ||
17 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer | ||
18 | * substantially similar to the "NO WARRANTY" disclaimer below | ||
19 | * ("Disclaimer") and any redistribution must be conditioned upon | ||
20 | * including a substantially similar Disclaimer requirement for further | ||
21 | * binary redistribution. | ||
22 | * 3. Neither the names of the above-listed copyright holders nor the names | ||
23 | * of any contributors may be used to endorse or promote products derived | ||
24 | * from this software without specific prior written permission. | ||
25 | * | ||
26 | * Alternatively, this software may be distributed under the terms of the | ||
27 | * GNU General Public License ("GPL") version 2 as published by the Free | ||
28 | * Software Foundation. | ||
29 | * | ||
30 | * NO WARRANTY | ||
31 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
32 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
33 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR | ||
34 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
35 | * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
36 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
37 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
38 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
39 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | ||
40 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
41 | * POSSIBILITY OF SUCH DAMAGES. | ||
42 | */ | ||
43 | |||
44 | |||
45 | #include <acpi/acpi.h> | ||
46 | #include <acpi/acnamesp.h> | ||
47 | #include <acpi/acevents.h> | ||
48 | |||
49 | #define _COMPONENT ACPI_UTILITIES | ||
50 | ACPI_MODULE_NAME ("utinit") | ||
51 | |||
52 | |||
53 | /******************************************************************************* | ||
54 | * | ||
55 | * FUNCTION: acpi_ut_fadt_register_error | ||
56 | * | ||
57 | * PARAMETERS: *register_name - Pointer to string identifying register | ||
58 | * Value - Actual register contents value | ||
59 | * acpi_test_spec_section - TDS section containing assertion | ||
60 | * acpi_assertion - Assertion number being tested | ||
61 | * | ||
62 | * RETURN: AE_BAD_VALUE | ||
63 | * | ||
64 | * DESCRIPTION: Display failure message and link failure to TDS assertion | ||
65 | * | ||
66 | ******************************************************************************/ | ||
67 | |||
68 | static void | ||
69 | acpi_ut_fadt_register_error ( | ||
70 | char *register_name, | ||
71 | u32 value, | ||
72 | acpi_size offset) | ||
73 | { | ||
74 | |||
75 | ACPI_REPORT_WARNING ( | ||
76 | ("Invalid FADT value %s=%X at offset %X FADT=%p\n", | ||
77 | register_name, value, (u32) offset, acpi_gbl_FADT)); | ||
78 | } | ||
79 | |||
80 | |||
81 | /****************************************************************************** | ||
82 | * | ||
83 | * FUNCTION: acpi_ut_validate_fadt | ||
84 | * | ||
85 | * PARAMETERS: None | ||
86 | * | ||
87 | * RETURN: Status | ||
88 | * | ||
89 | * DESCRIPTION: Validate various ACPI registers in the FADT | ||
90 | * | ||
91 | ******************************************************************************/ | ||
92 | |||
93 | acpi_status | ||
94 | acpi_ut_validate_fadt ( | ||
95 | void) | ||
96 | { | ||
97 | |||
98 | /* | ||
99 | * Verify Fixed ACPI Description Table fields, | ||
100 | * but don't abort on any problems, just display error | ||
101 | */ | ||
102 | if (acpi_gbl_FADT->pm1_evt_len < 4) { | ||
103 | acpi_ut_fadt_register_error ("PM1_EVT_LEN", | ||
104 | (u32) acpi_gbl_FADT->pm1_evt_len, | ||
105 | ACPI_FADT_OFFSET (pm1_evt_len)); | ||
106 | } | ||
107 | |||
108 | if (!acpi_gbl_FADT->pm1_cnt_len) { | ||
109 | acpi_ut_fadt_register_error ("PM1_CNT_LEN", 0, | ||
110 | ACPI_FADT_OFFSET (pm1_cnt_len)); | ||
111 | } | ||
112 | |||
113 | if (!acpi_gbl_FADT->xpm1a_evt_blk.address) { | ||
114 | acpi_ut_fadt_register_error ("X_PM1a_EVT_BLK", 0, | ||
115 | ACPI_FADT_OFFSET (xpm1a_evt_blk.address)); | ||
116 | } | ||
117 | |||
118 | if (!acpi_gbl_FADT->xpm1a_cnt_blk.address) { | ||
119 | acpi_ut_fadt_register_error ("X_PM1a_CNT_BLK", 0, | ||
120 | ACPI_FADT_OFFSET (xpm1a_cnt_blk.address)); | ||
121 | } | ||
122 | |||
123 | if (!acpi_gbl_FADT->xpm_tmr_blk.address) { | ||
124 | acpi_ut_fadt_register_error ("X_PM_TMR_BLK", 0, | ||
125 | ACPI_FADT_OFFSET (xpm_tmr_blk.address)); | ||
126 | } | ||
127 | |||
128 | if ((acpi_gbl_FADT->xpm2_cnt_blk.address && | ||
129 | !acpi_gbl_FADT->pm2_cnt_len)) { | ||
130 | acpi_ut_fadt_register_error ("PM2_CNT_LEN", | ||
131 | (u32) acpi_gbl_FADT->pm2_cnt_len, | ||
132 | ACPI_FADT_OFFSET (pm2_cnt_len)); | ||
133 | } | ||
134 | |||
135 | if (acpi_gbl_FADT->pm_tm_len < 4) { | ||
136 | acpi_ut_fadt_register_error ("PM_TM_LEN", | ||
137 | (u32) acpi_gbl_FADT->pm_tm_len, | ||
138 | ACPI_FADT_OFFSET (pm_tm_len)); | ||
139 | } | ||
140 | |||
141 | /* Length of GPE blocks must be a multiple of 2 */ | ||
142 | |||
143 | if (acpi_gbl_FADT->xgpe0_blk.address && | ||
144 | (acpi_gbl_FADT->gpe0_blk_len & 1)) { | ||
145 | acpi_ut_fadt_register_error ("(x)GPE0_BLK_LEN", | ||
146 | (u32) acpi_gbl_FADT->gpe0_blk_len, | ||
147 | ACPI_FADT_OFFSET (gpe0_blk_len)); | ||
148 | } | ||
149 | |||
150 | if (acpi_gbl_FADT->xgpe1_blk.address && | ||
151 | (acpi_gbl_FADT->gpe1_blk_len & 1)) { | ||
152 | acpi_ut_fadt_register_error ("(x)GPE1_BLK_LEN", | ||
153 | (u32) acpi_gbl_FADT->gpe1_blk_len, | ||
154 | ACPI_FADT_OFFSET (gpe1_blk_len)); | ||
155 | } | ||
156 | |||
157 | return (AE_OK); | ||
158 | } | ||
159 | |||
160 | |||
161 | /****************************************************************************** | ||
162 | * | ||
163 | * FUNCTION: acpi_ut_terminate | ||
164 | * | ||
165 | * PARAMETERS: none | ||
166 | * | ||
167 | * RETURN: none | ||
168 | * | ||
169 | * DESCRIPTION: free global memory | ||
170 | * | ||
171 | ******************************************************************************/ | ||
172 | |||
173 | void | ||
174 | acpi_ut_terminate (void) | ||
175 | { | ||
176 | struct acpi_gpe_block_info *gpe_block; | ||
177 | struct acpi_gpe_block_info *next_gpe_block; | ||
178 | struct acpi_gpe_xrupt_info *gpe_xrupt_info; | ||
179 | struct acpi_gpe_xrupt_info *next_gpe_xrupt_info; | ||
180 | |||
181 | |||
182 | ACPI_FUNCTION_TRACE ("ut_terminate"); | ||
183 | |||
184 | |||
185 | /* Free global tables, etc. */ | ||
186 | |||
187 | |||
188 | /* Free global GPE blocks and related info structures */ | ||
189 | |||
190 | gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head; | ||
191 | while (gpe_xrupt_info) { | ||
192 | gpe_block = gpe_xrupt_info->gpe_block_list_head; | ||
193 | while (gpe_block) { | ||
194 | next_gpe_block = gpe_block->next; | ||
195 | ACPI_MEM_FREE (gpe_block->event_info); | ||
196 | ACPI_MEM_FREE (gpe_block->register_info); | ||
197 | ACPI_MEM_FREE (gpe_block); | ||
198 | |||
199 | gpe_block = next_gpe_block; | ||
200 | } | ||
201 | next_gpe_xrupt_info = gpe_xrupt_info->next; | ||
202 | ACPI_MEM_FREE (gpe_xrupt_info); | ||
203 | gpe_xrupt_info = next_gpe_xrupt_info; | ||
204 | } | ||
205 | |||
206 | return_VOID; | ||
207 | } | ||
208 | |||
209 | |||
210 | /******************************************************************************* | ||
211 | * | ||
212 | * FUNCTION: acpi_ut_subsystem_shutdown | ||
213 | * | ||
214 | * PARAMETERS: none | ||
215 | * | ||
216 | * RETURN: none | ||
217 | * | ||
218 | * DESCRIPTION: Shutdown the various subsystems. Don't delete the mutex | ||
219 | * objects here -- because the AML debugger may be still running. | ||
220 | * | ||
221 | ******************************************************************************/ | ||
222 | |||
223 | void | ||
224 | acpi_ut_subsystem_shutdown (void) | ||
225 | { | ||
226 | |||
227 | ACPI_FUNCTION_TRACE ("ut_subsystem_shutdown"); | ||
228 | |||
229 | /* Just exit if subsystem is already shutdown */ | ||
230 | |||
231 | if (acpi_gbl_shutdown) { | ||
232 | ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "ACPI Subsystem is already terminated\n")); | ||
233 | return_VOID; | ||
234 | } | ||
235 | |||
236 | /* Subsystem appears active, go ahead and shut it down */ | ||
237 | |||
238 | acpi_gbl_shutdown = TRUE; | ||
239 | ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Shutting down ACPI Subsystem...\n")); | ||
240 | |||
241 | /* Close the acpi_event Handling */ | ||
242 | |||
243 | acpi_ev_terminate (); | ||
244 | |||
245 | /* Close the Namespace */ | ||
246 | |||
247 | acpi_ns_terminate (); | ||
248 | |||
249 | /* Close the globals */ | ||
250 | |||
251 | acpi_ut_terminate (); | ||
252 | |||
253 | /* Purge the local caches */ | ||
254 | |||
255 | (void) acpi_purge_cached_objects (); | ||
256 | |||
257 | /* Debug only - display leftover memory allocation, if any */ | ||
258 | |||
259 | #ifdef ACPI_DBG_TRACK_ALLOCATIONS | ||
260 | acpi_ut_dump_allocations (ACPI_UINT32_MAX, NULL); | ||
261 | #endif | ||
262 | |||
263 | return_VOID; | ||
264 | } | ||
265 | |||
266 | |||