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authorLen Brown <len.brown@intel.com>2009-01-09 00:13:17 -0500
committerLen Brown <len.brown@intel.com>2009-01-09 03:30:47 -0500
commit95b482a8d31116f3f5c2a5089569393234d06385 (patch)
treef32aec8673a285a9d188948be97af3034ee06e93 /drivers/acpi/tables/tbinstal.c
parent6620e0c49f577454b772fb381543d60ae53eb885 (diff)
ACPICA: create acpica/ directory
also, delete sleep/ and delete ACPI_CFLAGS from Makefile Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/tables/tbinstal.c')
-rw-r--r--drivers/acpi/tables/tbinstal.c574
1 files changed, 0 insertions, 574 deletions
diff --git a/drivers/acpi/tables/tbinstal.c b/drivers/acpi/tables/tbinstal.c
deleted file mode 100644
index 019b0d84cbea..000000000000
--- a/drivers/acpi/tables/tbinstal.c
+++ /dev/null
@@ -1,574 +0,0 @@
1/******************************************************************************
2 *
3 * Module Name: tbinstal - ACPI table installation and removal
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2008, Intel Corp.
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#include <acpi/acpi.h>
45#include <acpi/accommon.h>
46#include <acpi/acnamesp.h>
47#include <acpi/actables.h>
48
49#define _COMPONENT ACPI_TABLES
50ACPI_MODULE_NAME("tbinstal")
51
52/******************************************************************************
53 *
54 * FUNCTION: acpi_tb_verify_table
55 *
56 * PARAMETERS: table_desc - table
57 *
58 * RETURN: Status
59 *
60 * DESCRIPTION: this function is called to verify and map table
61 *
62 *****************************************************************************/
63acpi_status acpi_tb_verify_table(struct acpi_table_desc *table_desc)
64{
65 acpi_status status = AE_OK;
66
67 ACPI_FUNCTION_TRACE(tb_verify_table);
68
69 /* Map the table if necessary */
70
71 if (!table_desc->pointer) {
72 if ((table_desc->flags & ACPI_TABLE_ORIGIN_MASK) ==
73 ACPI_TABLE_ORIGIN_MAPPED) {
74 table_desc->pointer =
75 acpi_os_map_memory(table_desc->address,
76 table_desc->length);
77 }
78 if (!table_desc->pointer) {
79 return_ACPI_STATUS(AE_NO_MEMORY);
80 }
81 }
82
83 /* FACS is the odd table, has no standard ACPI header and no checksum */
84
85 if (!ACPI_COMPARE_NAME(&table_desc->signature, ACPI_SIG_FACS)) {
86
87 /* Always calculate checksum, ignore bad checksum if requested */
88
89 status =
90 acpi_tb_verify_checksum(table_desc->pointer,
91 table_desc->length);
92 }
93
94 return_ACPI_STATUS(status);
95}
96
97/*******************************************************************************
98 *
99 * FUNCTION: acpi_tb_add_table
100 *
101 * PARAMETERS: table_desc - Table descriptor
102 * table_index - Where the table index is returned
103 *
104 * RETURN: Status
105 *
106 * DESCRIPTION: This function is called to add the ACPI table
107 *
108 ******************************************************************************/
109
110acpi_status
111acpi_tb_add_table(struct acpi_table_desc *table_desc, u32 *table_index)
112{
113 u32 i;
114 acpi_status status = AE_OK;
115
116 ACPI_FUNCTION_TRACE(tb_add_table);
117
118 if (!table_desc->pointer) {
119 status = acpi_tb_verify_table(table_desc);
120 if (ACPI_FAILURE(status) || !table_desc->pointer) {
121 return_ACPI_STATUS(status);
122 }
123 }
124
125 /*
126 * Originally, we checked the table signature for "SSDT" or "PSDT" here.
127 * Next, we added support for OEMx tables, signature "OEM".
128 * Valid tables were encountered with a null signature, so we've just
129 * given up on validating the signature, since it seems to be a waste
130 * of code. The original code was removed (05/2008).
131 */
132
133 (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
134
135 /* Check if table is already registered */
136
137 for (i = 0; i < acpi_gbl_root_table_list.count; ++i) {
138 if (!acpi_gbl_root_table_list.tables[i].pointer) {
139 status =
140 acpi_tb_verify_table(&acpi_gbl_root_table_list.
141 tables[i]);
142 if (ACPI_FAILURE(status)
143 || !acpi_gbl_root_table_list.tables[i].pointer) {
144 continue;
145 }
146 }
147
148 /*
149 * Check for a table match on the entire table length,
150 * not just the header.
151 */
152 if (table_desc->length !=
153 acpi_gbl_root_table_list.tables[i].length) {
154 continue;
155 }
156
157 if (ACPI_MEMCMP(table_desc->pointer,
158 acpi_gbl_root_table_list.tables[i].pointer,
159 acpi_gbl_root_table_list.tables[i].length)) {
160 continue;
161 }
162
163 /*
164 * Note: the current mechanism does not unregister a table if it is
165 * dynamically unloaded. The related namespace entries are deleted,
166 * but the table remains in the root table list.
167 *
168 * The assumption here is that the number of different tables that
169 * will be loaded is actually small, and there is minimal overhead
170 * in just keeping the table in case it is needed again.
171 *
172 * If this assumption changes in the future (perhaps on large
173 * machines with many table load/unload operations), tables will
174 * need to be unregistered when they are unloaded, and slots in the
175 * root table list should be reused when empty.
176 */
177
178 /*
179 * Table is already registered.
180 * We can delete the table that was passed as a parameter.
181 */
182 acpi_tb_delete_table(table_desc);
183 *table_index = i;
184
185 if (acpi_gbl_root_table_list.tables[i].
186 flags & ACPI_TABLE_IS_LOADED) {
187
188 /* Table is still loaded, this is an error */
189
190 status = AE_ALREADY_EXISTS;
191 goto release;
192 } else {
193 /* Table was unloaded, allow it to be reloaded */
194
195 table_desc->pointer =
196 acpi_gbl_root_table_list.tables[i].pointer;
197 table_desc->address =
198 acpi_gbl_root_table_list.tables[i].address;
199 status = AE_OK;
200 goto print_header;
201 }
202 }
203
204 /* Add the table to the global root table list */
205
206 status = acpi_tb_store_table(table_desc->address, table_desc->pointer,
207 table_desc->length, table_desc->flags,
208 table_index);
209 if (ACPI_FAILURE(status)) {
210 goto release;
211 }
212
213 print_header:
214 acpi_tb_print_table_header(table_desc->address, table_desc->pointer);
215
216 release:
217 (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
218 return_ACPI_STATUS(status);
219}
220
221/*******************************************************************************
222 *
223 * FUNCTION: acpi_tb_resize_root_table_list
224 *
225 * PARAMETERS: None
226 *
227 * RETURN: Status
228 *
229 * DESCRIPTION: Expand the size of global table array
230 *
231 ******************************************************************************/
232
233acpi_status acpi_tb_resize_root_table_list(void)
234{
235 struct acpi_table_desc *tables;
236
237 ACPI_FUNCTION_TRACE(tb_resize_root_table_list);
238
239 /* allow_resize flag is a parameter to acpi_initialize_tables */
240
241 if (!(acpi_gbl_root_table_list.flags & ACPI_ROOT_ALLOW_RESIZE)) {
242 ACPI_ERROR((AE_INFO,
243 "Resize of Root Table Array is not allowed"));
244 return_ACPI_STATUS(AE_SUPPORT);
245 }
246
247 /* Increase the Table Array size */
248
249 tables = ACPI_ALLOCATE_ZEROED(((acpi_size) acpi_gbl_root_table_list.
250 size + ACPI_ROOT_TABLE_SIZE_INCREMENT)
251 * sizeof(struct acpi_table_desc));
252 if (!tables) {
253 ACPI_ERROR((AE_INFO,
254 "Could not allocate new root table array"));
255 return_ACPI_STATUS(AE_NO_MEMORY);
256 }
257
258 /* Copy and free the previous table array */
259
260 if (acpi_gbl_root_table_list.tables) {
261 ACPI_MEMCPY(tables, acpi_gbl_root_table_list.tables,
262 (acpi_size) acpi_gbl_root_table_list.size *
263 sizeof(struct acpi_table_desc));
264
265 if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) {
266 ACPI_FREE(acpi_gbl_root_table_list.tables);
267 }
268 }
269
270 acpi_gbl_root_table_list.tables = tables;
271 acpi_gbl_root_table_list.size += ACPI_ROOT_TABLE_SIZE_INCREMENT;
272 acpi_gbl_root_table_list.flags |= (u8) ACPI_ROOT_ORIGIN_ALLOCATED;
273
274 return_ACPI_STATUS(AE_OK);
275}
276
277/*******************************************************************************
278 *
279 * FUNCTION: acpi_tb_store_table
280 *
281 * PARAMETERS: Address - Table address
282 * Table - Table header
283 * Length - Table length
284 * Flags - flags
285 *
286 * RETURN: Status and table index.
287 *
288 * DESCRIPTION: Add an ACPI table to the global table list
289 *
290 ******************************************************************************/
291
292acpi_status
293acpi_tb_store_table(acpi_physical_address address,
294 struct acpi_table_header *table,
295 u32 length, u8 flags, u32 *table_index)
296{
297 acpi_status status = AE_OK;
298
299 /* Ensure that there is room for the table in the Root Table List */
300
301 if (acpi_gbl_root_table_list.count >= acpi_gbl_root_table_list.size) {
302 status = acpi_tb_resize_root_table_list();
303 if (ACPI_FAILURE(status)) {
304 return (status);
305 }
306 }
307
308 /* Initialize added table */
309
310 acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count].
311 address = address;
312 acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count].
313 pointer = table;
314 acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count].length =
315 length;
316 acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count].
317 owner_id = 0;
318 acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count].flags =
319 flags;
320
321 ACPI_MOVE_32_TO_32(&
322 (acpi_gbl_root_table_list.
323 tables[acpi_gbl_root_table_list.count].signature),
324 table->signature);
325
326 *table_index = acpi_gbl_root_table_list.count;
327 acpi_gbl_root_table_list.count++;
328 return (status);
329}
330
331/*******************************************************************************
332 *
333 * FUNCTION: acpi_tb_delete_table
334 *
335 * PARAMETERS: table_index - Table index
336 *
337 * RETURN: None
338 *
339 * DESCRIPTION: Delete one internal ACPI table
340 *
341 ******************************************************************************/
342
343void acpi_tb_delete_table(struct acpi_table_desc *table_desc)
344{
345 /* Table must be mapped or allocated */
346 if (!table_desc->pointer) {
347 return;
348 }
349 switch (table_desc->flags & ACPI_TABLE_ORIGIN_MASK) {
350 case ACPI_TABLE_ORIGIN_MAPPED:
351 acpi_os_unmap_memory(table_desc->pointer, table_desc->length);
352 break;
353 case ACPI_TABLE_ORIGIN_ALLOCATED:
354 ACPI_FREE(table_desc->pointer);
355 break;
356 default:;
357 }
358
359 table_desc->pointer = NULL;
360}
361
362/*******************************************************************************
363 *
364 * FUNCTION: acpi_tb_terminate
365 *
366 * PARAMETERS: None
367 *
368 * RETURN: None
369 *
370 * DESCRIPTION: Delete all internal ACPI tables
371 *
372 ******************************************************************************/
373
374void acpi_tb_terminate(void)
375{
376 u32 i;
377
378 ACPI_FUNCTION_TRACE(tb_terminate);
379
380 (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
381
382 /* Delete the individual tables */
383
384 for (i = 0; i < acpi_gbl_root_table_list.count; ++i) {
385 acpi_tb_delete_table(&acpi_gbl_root_table_list.tables[i]);
386 }
387
388 /*
389 * Delete the root table array if allocated locally. Array cannot be
390 * mapped, so we don't need to check for that flag.
391 */
392 if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) {
393 ACPI_FREE(acpi_gbl_root_table_list.tables);
394 }
395
396 acpi_gbl_root_table_list.tables = NULL;
397 acpi_gbl_root_table_list.flags = 0;
398 acpi_gbl_root_table_list.count = 0;
399
400 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "ACPI Tables freed\n"));
401 (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
402}
403
404/*******************************************************************************
405 *
406 * FUNCTION: acpi_tb_delete_namespace_by_owner
407 *
408 * PARAMETERS: table_index - Table index
409 *
410 * RETURN: None
411 *
412 * DESCRIPTION: Delete all namespace objects created when this table was loaded.
413 *
414 ******************************************************************************/
415
416void acpi_tb_delete_namespace_by_owner(u32 table_index)
417{
418 acpi_owner_id owner_id;
419
420 (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
421 if (table_index < acpi_gbl_root_table_list.count) {
422 owner_id =
423 acpi_gbl_root_table_list.tables[table_index].owner_id;
424 } else {
425 (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
426 return;
427 }
428
429 (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
430 acpi_ns_delete_namespace_by_owner(owner_id);
431}
432
433/*******************************************************************************
434 *
435 * FUNCTION: acpi_tb_allocate_owner_id
436 *
437 * PARAMETERS: table_index - Table index
438 *
439 * RETURN: Status
440 *
441 * DESCRIPTION: Allocates owner_id in table_desc
442 *
443 ******************************************************************************/
444
445acpi_status acpi_tb_allocate_owner_id(u32 table_index)
446{
447 acpi_status status = AE_BAD_PARAMETER;
448
449 ACPI_FUNCTION_TRACE(tb_allocate_owner_id);
450
451 (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
452 if (table_index < acpi_gbl_root_table_list.count) {
453 status = acpi_ut_allocate_owner_id
454 (&(acpi_gbl_root_table_list.tables[table_index].owner_id));
455 }
456
457 (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
458 return_ACPI_STATUS(status);
459}
460
461/*******************************************************************************
462 *
463 * FUNCTION: acpi_tb_release_owner_id
464 *
465 * PARAMETERS: table_index - Table index
466 *
467 * RETURN: Status
468 *
469 * DESCRIPTION: Releases owner_id in table_desc
470 *
471 ******************************************************************************/
472
473acpi_status acpi_tb_release_owner_id(u32 table_index)
474{
475 acpi_status status = AE_BAD_PARAMETER;
476
477 ACPI_FUNCTION_TRACE(tb_release_owner_id);
478
479 (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
480 if (table_index < acpi_gbl_root_table_list.count) {
481 acpi_ut_release_owner_id(&
482 (acpi_gbl_root_table_list.
483 tables[table_index].owner_id));
484 status = AE_OK;
485 }
486
487 (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
488 return_ACPI_STATUS(status);
489}
490
491/*******************************************************************************
492 *
493 * FUNCTION: acpi_tb_get_owner_id
494 *
495 * PARAMETERS: table_index - Table index
496 * owner_id - Where the table owner_id is returned
497 *
498 * RETURN: Status
499 *
500 * DESCRIPTION: returns owner_id for the ACPI table
501 *
502 ******************************************************************************/
503
504acpi_status acpi_tb_get_owner_id(u32 table_index, acpi_owner_id *owner_id)
505{
506 acpi_status status = AE_BAD_PARAMETER;
507
508 ACPI_FUNCTION_TRACE(tb_get_owner_id);
509
510 (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
511 if (table_index < acpi_gbl_root_table_list.count) {
512 *owner_id =
513 acpi_gbl_root_table_list.tables[table_index].owner_id;
514 status = AE_OK;
515 }
516
517 (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
518 return_ACPI_STATUS(status);
519}
520
521/*******************************************************************************
522 *
523 * FUNCTION: acpi_tb_is_table_loaded
524 *
525 * PARAMETERS: table_index - Table index
526 *
527 * RETURN: Table Loaded Flag
528 *
529 ******************************************************************************/
530
531u8 acpi_tb_is_table_loaded(u32 table_index)
532{
533 u8 is_loaded = FALSE;
534
535 (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
536 if (table_index < acpi_gbl_root_table_list.count) {
537 is_loaded = (u8)
538 (acpi_gbl_root_table_list.tables[table_index].
539 flags & ACPI_TABLE_IS_LOADED);
540 }
541
542 (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
543 return (is_loaded);
544}
545
546/*******************************************************************************
547 *
548 * FUNCTION: acpi_tb_set_table_loaded_flag
549 *
550 * PARAMETERS: table_index - Table index
551 * is_loaded - TRUE if table is loaded, FALSE otherwise
552 *
553 * RETURN: None
554 *
555 * DESCRIPTION: Sets the table loaded flag to either TRUE or FALSE.
556 *
557 ******************************************************************************/
558
559void acpi_tb_set_table_loaded_flag(u32 table_index, u8 is_loaded)
560{
561
562 (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
563 if (table_index < acpi_gbl_root_table_list.count) {
564 if (is_loaded) {
565 acpi_gbl_root_table_list.tables[table_index].flags |=
566 ACPI_TABLE_IS_LOADED;
567 } else {
568 acpi_gbl_root_table_list.tables[table_index].flags &=
569 ~ACPI_TABLE_IS_LOADED;
570 }
571 }
572
573 (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
574}
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