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1da177e4 LT |
1 | /****************************************************************************** |
2 | * | |
3 | * Module Name: exconfig - Namespace reconfiguration (Load/Unload opcodes) | |
4 | * | |
5 | *****************************************************************************/ | |
6 | ||
7 | /* | |
4a90c7e8 | 8 | * Copyright (C) 2000 - 2006, R. Byron Moore |
1da177e4 LT |
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 | ||
1da177e4 LT |
44 | #include <acpi/acpi.h> |
45 | #include <acpi/acinterp.h> | |
46 | #include <acpi/amlcode.h> | |
47 | #include <acpi/acnamesp.h> | |
48 | #include <acpi/acevents.h> | |
49 | #include <acpi/actables.h> | |
50 | #include <acpi/acdispat.h> | |
51 | ||
1da177e4 | 52 | #define _COMPONENT ACPI_EXECUTER |
4be44fcd | 53 | ACPI_MODULE_NAME("exconfig") |
1da177e4 | 54 | |
44f6c012 | 55 | /* Local prototypes */ |
44f6c012 | 56 | static acpi_status |
4be44fcd LB |
57 | acpi_ex_add_table(struct acpi_table_header *table, |
58 | struct acpi_namespace_node *parent_node, | |
59 | union acpi_operand_object **ddb_handle); | |
1da177e4 LT |
60 | |
61 | /******************************************************************************* | |
62 | * | |
63 | * FUNCTION: acpi_ex_add_table | |
64 | * | |
65 | * PARAMETERS: Table - Pointer to raw table | |
66 | * parent_node - Where to load the table (scope) | |
67 | * ddb_handle - Where to return the table handle. | |
68 | * | |
69 | * RETURN: Status | |
70 | * | |
71 | * DESCRIPTION: Common function to Install and Load an ACPI table with a | |
72 | * returned table handle. | |
73 | * | |
74 | ******************************************************************************/ | |
75 | ||
44f6c012 | 76 | static acpi_status |
4be44fcd LB |
77 | acpi_ex_add_table(struct acpi_table_header *table, |
78 | struct acpi_namespace_node *parent_node, | |
79 | union acpi_operand_object **ddb_handle) | |
1da177e4 | 80 | { |
4be44fcd LB |
81 | acpi_status status; |
82 | struct acpi_table_desc table_info; | |
83 | union acpi_operand_object *obj_desc; | |
1da177e4 | 84 | |
b229cf92 | 85 | ACPI_FUNCTION_TRACE(ex_add_table); |
1da177e4 LT |
86 | |
87 | /* Create an object to be the table handle */ | |
88 | ||
4be44fcd | 89 | obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_LOCAL_REFERENCE); |
1da177e4 | 90 | if (!obj_desc) { |
4be44fcd | 91 | return_ACPI_STATUS(AE_NO_MEMORY); |
1da177e4 LT |
92 | } |
93 | ||
0c9938cc RM |
94 | /* Init the table handle */ |
95 | ||
96 | obj_desc->reference.opcode = AML_LOAD_OP; | |
97 | *ddb_handle = obj_desc; | |
98 | ||
1da177e4 LT |
99 | /* Install the new table into the local data structures */ |
100 | ||
4be44fcd | 101 | ACPI_MEMSET(&table_info, 0, sizeof(struct acpi_table_desc)); |
1da177e4 | 102 | |
b229cf92 | 103 | table_info.type = ACPI_TABLE_ID_SSDT; |
4be44fcd LB |
104 | table_info.pointer = table; |
105 | table_info.length = (acpi_size) table->length; | |
44f6c012 | 106 | table_info.allocation = ACPI_MEM_ALLOCATED; |
1da177e4 | 107 | |
4be44fcd | 108 | status = acpi_tb_install_table(&table_info); |
0c9938cc RM |
109 | obj_desc->reference.object = table_info.installed_desc; |
110 | ||
4be44fcd | 111 | if (ACPI_FAILURE(status)) { |
0c9938cc | 112 | if (status == AE_ALREADY_EXISTS) { |
52fc0b02 | 113 | |
0c9938cc RM |
114 | /* Table already exists, just return the handle */ |
115 | ||
4be44fcd | 116 | return_ACPI_STATUS(AE_OK); |
0c9938cc | 117 | } |
1da177e4 LT |
118 | goto cleanup; |
119 | } | |
120 | ||
121 | /* Add the table to the namespace */ | |
122 | ||
4be44fcd LB |
123 | status = acpi_ns_load_table(table_info.installed_desc, parent_node); |
124 | if (ACPI_FAILURE(status)) { | |
52fc0b02 | 125 | |
1da177e4 LT |
126 | /* Uninstall table on error */ |
127 | ||
4be44fcd | 128 | (void)acpi_tb_uninstall_table(table_info.installed_desc); |
1da177e4 LT |
129 | goto cleanup; |
130 | } | |
131 | ||
4be44fcd | 132 | return_ACPI_STATUS(AE_OK); |
1da177e4 | 133 | |
4be44fcd LB |
134 | cleanup: |
135 | acpi_ut_remove_reference(obj_desc); | |
0c9938cc | 136 | *ddb_handle = NULL; |
4be44fcd | 137 | return_ACPI_STATUS(status); |
1da177e4 LT |
138 | } |
139 | ||
1da177e4 LT |
140 | /******************************************************************************* |
141 | * | |
142 | * FUNCTION: acpi_ex_load_table_op | |
143 | * | |
144 | * PARAMETERS: walk_state - Current state with operands | |
145 | * return_desc - Where to store the return object | |
146 | * | |
147 | * RETURN: Status | |
148 | * | |
149 | * DESCRIPTION: Load an ACPI table | |
150 | * | |
151 | ******************************************************************************/ | |
152 | ||
153 | acpi_status | |
4be44fcd LB |
154 | acpi_ex_load_table_op(struct acpi_walk_state *walk_state, |
155 | union acpi_operand_object **return_desc) | |
1da177e4 | 156 | { |
4be44fcd LB |
157 | acpi_status status; |
158 | union acpi_operand_object **operand = &walk_state->operands[0]; | |
159 | struct acpi_table_header *table; | |
160 | struct acpi_namespace_node *parent_node; | |
161 | struct acpi_namespace_node *start_node; | |
162 | struct acpi_namespace_node *parameter_node = NULL; | |
163 | union acpi_operand_object *ddb_handle; | |
1da177e4 | 164 | |
b229cf92 | 165 | ACPI_FUNCTION_TRACE(ex_load_table_op); |
1da177e4 LT |
166 | |
167 | #if 0 | |
168 | /* | |
169 | * Make sure that the signature does not match one of the tables that | |
170 | * is already loaded. | |
171 | */ | |
4be44fcd | 172 | status = acpi_tb_match_signature(operand[0]->string.pointer, NULL); |
1da177e4 | 173 | if (status == AE_OK) { |
52fc0b02 | 174 | |
1da177e4 LT |
175 | /* Signature matched -- don't allow override */ |
176 | ||
4be44fcd | 177 | return_ACPI_STATUS(AE_ALREADY_EXISTS); |
1da177e4 LT |
178 | } |
179 | #endif | |
180 | ||
181 | /* Find the ACPI table */ | |
182 | ||
4be44fcd LB |
183 | status = acpi_tb_find_table(operand[0]->string.pointer, |
184 | operand[1]->string.pointer, | |
185 | operand[2]->string.pointer, &table); | |
186 | if (ACPI_FAILURE(status)) { | |
1da177e4 | 187 | if (status != AE_NOT_FOUND) { |
4be44fcd | 188 | return_ACPI_STATUS(status); |
1da177e4 LT |
189 | } |
190 | ||
191 | /* Table not found, return an Integer=0 and AE_OK */ | |
192 | ||
4be44fcd | 193 | ddb_handle = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); |
1da177e4 | 194 | if (!ddb_handle) { |
4be44fcd | 195 | return_ACPI_STATUS(AE_NO_MEMORY); |
1da177e4 LT |
196 | } |
197 | ||
198 | ddb_handle->integer.value = 0; | |
199 | *return_desc = ddb_handle; | |
200 | ||
4be44fcd | 201 | return_ACPI_STATUS(AE_OK); |
1da177e4 LT |
202 | } |
203 | ||
204 | /* Default nodes */ | |
205 | ||
206 | start_node = walk_state->scope_info->scope.node; | |
207 | parent_node = acpi_gbl_root_node; | |
208 | ||
209 | /* root_path (optional parameter) */ | |
210 | ||
211 | if (operand[3]->string.length > 0) { | |
212 | /* | |
213 | * Find the node referenced by the root_path_string. This is the | |
214 | * location within the namespace where the table will be loaded. | |
215 | */ | |
4be44fcd | 216 | status = |
4119532c BM |
217 | acpi_ns_get_node(start_node, operand[3]->string.pointer, |
218 | ACPI_NS_SEARCH_PARENT, &parent_node); | |
4be44fcd LB |
219 | if (ACPI_FAILURE(status)) { |
220 | return_ACPI_STATUS(status); | |
1da177e4 LT |
221 | } |
222 | } | |
223 | ||
224 | /* parameter_path (optional parameter) */ | |
225 | ||
226 | if (operand[4]->string.length > 0) { | |
227 | if ((operand[4]->string.pointer[0] != '\\') && | |
4be44fcd | 228 | (operand[4]->string.pointer[0] != '^')) { |
1da177e4 LT |
229 | /* |
230 | * Path is not absolute, so it will be relative to the node | |
231 | * referenced by the root_path_string (or the NS root if omitted) | |
232 | */ | |
233 | start_node = parent_node; | |
234 | } | |
235 | ||
44f6c012 RM |
236 | /* Find the node referenced by the parameter_path_string */ |
237 | ||
4be44fcd | 238 | status = |
4119532c BM |
239 | acpi_ns_get_node(start_node, operand[4]->string.pointer, |
240 | ACPI_NS_SEARCH_PARENT, ¶meter_node); | |
4be44fcd LB |
241 | if (ACPI_FAILURE(status)) { |
242 | return_ACPI_STATUS(status); | |
1da177e4 LT |
243 | } |
244 | } | |
245 | ||
246 | /* Load the table into the namespace */ | |
247 | ||
4be44fcd LB |
248 | status = acpi_ex_add_table(table, parent_node, &ddb_handle); |
249 | if (ACPI_FAILURE(status)) { | |
250 | return_ACPI_STATUS(status); | |
1da177e4 LT |
251 | } |
252 | ||
253 | /* Parameter Data (optional) */ | |
254 | ||
255 | if (parameter_node) { | |
52fc0b02 | 256 | |
1da177e4 LT |
257 | /* Store the parameter data into the optional parameter object */ |
258 | ||
4be44fcd LB |
259 | status = acpi_ex_store(operand[5], |
260 | ACPI_CAST_PTR(union acpi_operand_object, | |
261 | parameter_node), | |
262 | walk_state); | |
263 | if (ACPI_FAILURE(status)) { | |
264 | (void)acpi_ex_unload_table(ddb_handle); | |
265 | return_ACPI_STATUS(status); | |
1da177e4 LT |
266 | } |
267 | } | |
268 | ||
967440e3 BM |
269 | ACPI_INFO((AE_INFO, |
270 | "Dynamic OEM Table Load - [%4.4s] OemId [%6.6s] OemTableId [%8.8s]", | |
271 | table->signature, table->oem_id, table->oem_table_id)); | |
272 | ||
1da177e4 | 273 | *return_desc = ddb_handle; |
4be44fcd | 274 | return_ACPI_STATUS(status); |
1da177e4 LT |
275 | } |
276 | ||
1da177e4 LT |
277 | /******************************************************************************* |
278 | * | |
279 | * FUNCTION: acpi_ex_load_op | |
280 | * | |
281 | * PARAMETERS: obj_desc - Region or Field where the table will be | |
282 | * obtained | |
283 | * Target - Where a handle to the table will be stored | |
284 | * walk_state - Current state | |
285 | * | |
286 | * RETURN: Status | |
287 | * | |
288 | * DESCRIPTION: Load an ACPI table from a field or operation region | |
289 | * | |
290 | ******************************************************************************/ | |
291 | ||
292 | acpi_status | |
4be44fcd LB |
293 | acpi_ex_load_op(union acpi_operand_object *obj_desc, |
294 | union acpi_operand_object *target, | |
295 | struct acpi_walk_state *walk_state) | |
1da177e4 | 296 | { |
4be44fcd LB |
297 | acpi_status status; |
298 | union acpi_operand_object *ddb_handle; | |
299 | union acpi_operand_object *buffer_desc = NULL; | |
300 | struct acpi_table_header *table_ptr = NULL; | |
301 | acpi_physical_address address; | |
302 | struct acpi_table_header table_header; | |
958dd242 | 303 | acpi_integer temp; |
4be44fcd | 304 | u32 i; |
1da177e4 | 305 | |
b229cf92 | 306 | ACPI_FUNCTION_TRACE(ex_load_op); |
1da177e4 LT |
307 | |
308 | /* Object can be either an op_region or a Field */ | |
309 | ||
4be44fcd | 310 | switch (ACPI_GET_OBJECT_TYPE(obj_desc)) { |
1da177e4 LT |
311 | case ACPI_TYPE_REGION: |
312 | ||
4be44fcd LB |
313 | ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Load from Region %p %s\n", |
314 | obj_desc, | |
315 | acpi_ut_get_object_type_name(obj_desc))); | |
1da177e4 LT |
316 | |
317 | /* | |
318 | * If the Region Address and Length have not been previously evaluated, | |
319 | * evaluate them now and save the results. | |
320 | */ | |
321 | if (!(obj_desc->common.flags & AOPOBJ_DATA_VALID)) { | |
4be44fcd LB |
322 | status = acpi_ds_get_region_arguments(obj_desc); |
323 | if (ACPI_FAILURE(status)) { | |
324 | return_ACPI_STATUS(status); | |
1da177e4 LT |
325 | } |
326 | } | |
327 | ||
328 | /* Get the base physical address of the region */ | |
329 | ||
330 | address = obj_desc->region.address; | |
331 | ||
958dd242 | 332 | /* Get part of the table header to get the table length */ |
1da177e4 LT |
333 | |
334 | table_header.length = 0; | |
335 | for (i = 0; i < 8; i++) { | |
4be44fcd LB |
336 | status = |
337 | acpi_ev_address_space_dispatch(obj_desc, ACPI_READ, | |
338 | (acpi_physical_address) | |
339 | (i + address), 8, | |
958dd242 | 340 | &temp); |
4be44fcd LB |
341 | if (ACPI_FAILURE(status)) { |
342 | return_ACPI_STATUS(status); | |
1da177e4 | 343 | } |
958dd242 BM |
344 | |
345 | /* Get the one valid byte of the returned 64-bit value */ | |
346 | ||
347 | ACPI_CAST_PTR(u8, &table_header)[i] = (u8) temp; | |
1da177e4 LT |
348 | } |
349 | ||
350 | /* Sanity check the table length */ | |
351 | ||
4be44fcd LB |
352 | if (table_header.length < sizeof(struct acpi_table_header)) { |
353 | return_ACPI_STATUS(AE_BAD_HEADER); | |
1da177e4 LT |
354 | } |
355 | ||
356 | /* Allocate a buffer for the entire table */ | |
357 | ||
8313524a | 358 | table_ptr = ACPI_ALLOCATE(table_header.length); |
1da177e4 | 359 | if (!table_ptr) { |
4be44fcd | 360 | return_ACPI_STATUS(AE_NO_MEMORY); |
1da177e4 LT |
361 | } |
362 | ||
363 | /* Get the entire table from the op region */ | |
364 | ||
365 | for (i = 0; i < table_header.length; i++) { | |
4be44fcd LB |
366 | status = |
367 | acpi_ev_address_space_dispatch(obj_desc, ACPI_READ, | |
368 | (acpi_physical_address) | |
369 | (i + address), 8, | |
958dd242 | 370 | &temp); |
4be44fcd | 371 | if (ACPI_FAILURE(status)) { |
1da177e4 LT |
372 | goto cleanup; |
373 | } | |
958dd242 BM |
374 | |
375 | /* Get the one valid byte of the returned 64-bit value */ | |
376 | ||
377 | ACPI_CAST_PTR(u8, table_ptr)[i] = (u8) temp; | |
1da177e4 LT |
378 | } |
379 | break; | |
380 | ||
1da177e4 LT |
381 | case ACPI_TYPE_LOCAL_REGION_FIELD: |
382 | case ACPI_TYPE_LOCAL_BANK_FIELD: | |
383 | case ACPI_TYPE_LOCAL_INDEX_FIELD: | |
384 | ||
4be44fcd LB |
385 | ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Load from Field %p %s\n", |
386 | obj_desc, | |
387 | acpi_ut_get_object_type_name(obj_desc))); | |
1da177e4 LT |
388 | |
389 | /* | |
390 | * The length of the field must be at least as large as the table. | |
391 | * Read the entire field and thus the entire table. Buffer is | |
392 | * allocated during the read. | |
393 | */ | |
4be44fcd LB |
394 | status = |
395 | acpi_ex_read_data_from_field(walk_state, obj_desc, | |
396 | &buffer_desc); | |
397 | if (ACPI_FAILURE(status)) { | |
398 | return_ACPI_STATUS(status); | |
1da177e4 LT |
399 | } |
400 | ||
4be44fcd LB |
401 | table_ptr = ACPI_CAST_PTR(struct acpi_table_header, |
402 | buffer_desc->buffer.pointer); | |
1da177e4 | 403 | |
88ac00f5 RM |
404 | /* All done with the buffer_desc, delete it */ |
405 | ||
406 | buffer_desc->buffer.pointer = NULL; | |
4be44fcd | 407 | acpi_ut_remove_reference(buffer_desc); |
88ac00f5 RM |
408 | |
409 | /* Sanity check the table length */ | |
1da177e4 | 410 | |
4be44fcd | 411 | if (table_ptr->length < sizeof(struct acpi_table_header)) { |
88ac00f5 RM |
412 | status = AE_BAD_HEADER; |
413 | goto cleanup; | |
1da177e4 LT |
414 | } |
415 | break; | |
416 | ||
1da177e4 | 417 | default: |
4be44fcd | 418 | return_ACPI_STATUS(AE_AML_OPERAND_TYPE); |
1da177e4 LT |
419 | } |
420 | ||
421 | /* The table must be either an SSDT or a PSDT */ | |
422 | ||
b229cf92 BM |
423 | if ((!ACPI_COMPARE_NAME(table_ptr->signature, PSDT_SIG)) && |
424 | (!ACPI_COMPARE_NAME(table_ptr->signature, SSDT_SIG))) { | |
b8e4d893 BM |
425 | ACPI_ERROR((AE_INFO, |
426 | "Table has invalid signature [%4.4s], must be SSDT or PSDT", | |
427 | table_ptr->signature)); | |
1da177e4 LT |
428 | status = AE_BAD_SIGNATURE; |
429 | goto cleanup; | |
430 | } | |
431 | ||
432 | /* Install the new table into the local data structures */ | |
433 | ||
4be44fcd LB |
434 | status = acpi_ex_add_table(table_ptr, acpi_gbl_root_node, &ddb_handle); |
435 | if (ACPI_FAILURE(status)) { | |
52fc0b02 | 436 | |
88ac00f5 RM |
437 | /* On error, table_ptr was deallocated above */ |
438 | ||
4be44fcd | 439 | return_ACPI_STATUS(status); |
1da177e4 LT |
440 | } |
441 | ||
442 | /* Store the ddb_handle into the Target operand */ | |
443 | ||
4be44fcd LB |
444 | status = acpi_ex_store(ddb_handle, target, walk_state); |
445 | if (ACPI_FAILURE(status)) { | |
446 | (void)acpi_ex_unload_table(ddb_handle); | |
1da177e4 | 447 | |
88ac00f5 | 448 | /* table_ptr was deallocated above */ |
1da177e4 | 449 | |
4be44fcd | 450 | return_ACPI_STATUS(status); |
88ac00f5 | 451 | } |
1da177e4 | 452 | |
967440e3 BM |
453 | ACPI_INFO((AE_INFO, |
454 | "Dynamic SSDT Load - OemId [%6.6s] OemTableId [%8.8s]", | |
455 | table_ptr->oem_id, table_ptr->oem_table_id)); | |
456 | ||
4be44fcd LB |
457 | cleanup: |
458 | if (ACPI_FAILURE(status)) { | |
8313524a | 459 | ACPI_FREE(table_ptr); |
1da177e4 | 460 | } |
4be44fcd | 461 | return_ACPI_STATUS(status); |
1da177e4 LT |
462 | } |
463 | ||
1da177e4 LT |
464 | /******************************************************************************* |
465 | * | |
466 | * FUNCTION: acpi_ex_unload_table | |
467 | * | |
468 | * PARAMETERS: ddb_handle - Handle to a previously loaded table | |
469 | * | |
470 | * RETURN: Status | |
471 | * | |
472 | * DESCRIPTION: Unload an ACPI table | |
473 | * | |
474 | ******************************************************************************/ | |
475 | ||
4be44fcd | 476 | acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle) |
1da177e4 | 477 | { |
4be44fcd LB |
478 | acpi_status status = AE_OK; |
479 | union acpi_operand_object *table_desc = ddb_handle; | |
480 | struct acpi_table_desc *table_info; | |
1da177e4 | 481 | |
b229cf92 | 482 | ACPI_FUNCTION_TRACE(ex_unload_table); |
1da177e4 LT |
483 | |
484 | /* | |
485 | * Validate the handle | |
486 | * Although the handle is partially validated in acpi_ex_reconfiguration(), | |
487 | * when it calls acpi_ex_resolve_operands(), the handle is more completely | |
488 | * validated here. | |
489 | */ | |
490 | if ((!ddb_handle) || | |
4be44fcd LB |
491 | (ACPI_GET_DESCRIPTOR_TYPE(ddb_handle) != ACPI_DESC_TYPE_OPERAND) || |
492 | (ACPI_GET_OBJECT_TYPE(ddb_handle) != ACPI_TYPE_LOCAL_REFERENCE)) { | |
493 | return_ACPI_STATUS(AE_BAD_PARAMETER); | |
1da177e4 LT |
494 | } |
495 | ||
496 | /* Get the actual table descriptor from the ddb_handle */ | |
497 | ||
4be44fcd | 498 | table_info = (struct acpi_table_desc *)table_desc->reference.object; |
1da177e4 LT |
499 | |
500 | /* | |
501 | * Delete the entire namespace under this table Node | |
502 | * (Offset contains the table_id) | |
503 | */ | |
4be44fcd | 504 | acpi_ns_delete_namespace_by_owner(table_info->owner_id); |
1da177e4 LT |
505 | |
506 | /* Delete the table itself */ | |
507 | ||
4be44fcd | 508 | (void)acpi_tb_uninstall_table(table_info->installed_desc); |
1da177e4 LT |
509 | |
510 | /* Delete the table descriptor (ddb_handle) */ | |
511 | ||
4be44fcd LB |
512 | acpi_ut_remove_reference(table_desc); |
513 | return_ACPI_STATUS(status); | |
1da177e4 | 514 | } |