Loading...
1/*******************************************************************************
2 *
3 * Module Name: rsmisc - Miscellaneous resource descriptors
4 *
5 ******************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2012, 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 "accommon.h"
46#include "acresrc.h"
47
48#define _COMPONENT ACPI_RESOURCES
49ACPI_MODULE_NAME("rsmisc")
50#define INIT_RESOURCE_TYPE(i) i->resource_offset
51#define INIT_RESOURCE_LENGTH(i) i->aml_offset
52#define INIT_TABLE_LENGTH(i) i->value
53#define COMPARE_OPCODE(i) i->resource_offset
54#define COMPARE_TARGET(i) i->aml_offset
55#define COMPARE_VALUE(i) i->value
56/*******************************************************************************
57 *
58 * FUNCTION: acpi_rs_convert_aml_to_resource
59 *
60 * PARAMETERS: Resource - Pointer to the resource descriptor
61 * Aml - Where the AML descriptor is returned
62 * Info - Pointer to appropriate conversion table
63 *
64 * RETURN: Status
65 *
66 * DESCRIPTION: Convert an external AML resource descriptor to the corresponding
67 * internal resource descriptor
68 *
69 ******************************************************************************/
70acpi_status
71acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
72 union aml_resource *aml,
73 struct acpi_rsconvert_info *info)
74{
75 acpi_rs_length aml_resource_length;
76 void *source;
77 void *destination;
78 char *target;
79 u8 count;
80 u8 flags_mode = FALSE;
81 u16 item_count = 0;
82 u16 temp16 = 0;
83
84 ACPI_FUNCTION_TRACE(rs_convert_aml_to_resource);
85
86 if (!info) {
87 return_ACPI_STATUS(AE_BAD_PARAMETER);
88 }
89
90 if (((acpi_size) resource) & 0x3) {
91
92 /* Each internal resource struct is expected to be 32-bit aligned */
93
94 ACPI_WARNING((AE_INFO,
95 "Misaligned resource pointer (get): %p Type 0x%2.2X Length %u",
96 resource, resource->type, resource->length));
97 }
98
99 /* Extract the resource Length field (does not include header length) */
100
101 aml_resource_length = acpi_ut_get_resource_length(aml);
102
103 /*
104 * First table entry must be ACPI_RSC_INITxxx and must contain the
105 * table length (# of table entries)
106 */
107 count = INIT_TABLE_LENGTH(info);
108 while (count) {
109 /*
110 * Source is the external AML byte stream buffer,
111 * destination is the internal resource descriptor
112 */
113 source = ACPI_ADD_PTR(void, aml, info->aml_offset);
114 destination =
115 ACPI_ADD_PTR(void, resource, info->resource_offset);
116
117 switch (info->opcode) {
118 case ACPI_RSC_INITGET:
119 /*
120 * Get the resource type and the initial (minimum) length
121 */
122 ACPI_MEMSET(resource, 0, INIT_RESOURCE_LENGTH(info));
123 resource->type = INIT_RESOURCE_TYPE(info);
124 resource->length = INIT_RESOURCE_LENGTH(info);
125 break;
126
127 case ACPI_RSC_INITSET:
128 break;
129
130 case ACPI_RSC_FLAGINIT:
131
132 flags_mode = TRUE;
133 break;
134
135 case ACPI_RSC_1BITFLAG:
136 /*
137 * Mask and shift the flag bit
138 */
139 ACPI_SET8(destination) = (u8)
140 ((ACPI_GET8(source) >> info->value) & 0x01);
141 break;
142
143 case ACPI_RSC_2BITFLAG:
144 /*
145 * Mask and shift the flag bits
146 */
147 ACPI_SET8(destination) = (u8)
148 ((ACPI_GET8(source) >> info->value) & 0x03);
149 break;
150
151 case ACPI_RSC_3BITFLAG:
152 /*
153 * Mask and shift the flag bits
154 */
155 ACPI_SET8(destination) = (u8)
156 ((ACPI_GET8(source) >> info->value) & 0x07);
157 break;
158
159 case ACPI_RSC_COUNT:
160
161 item_count = ACPI_GET8(source);
162 ACPI_SET8(destination) = (u8) item_count;
163
164 resource->length = resource->length +
165 (info->value * (item_count - 1));
166 break;
167
168 case ACPI_RSC_COUNT16:
169
170 item_count = aml_resource_length;
171 ACPI_SET16(destination) = item_count;
172
173 resource->length = resource->length +
174 (info->value * (item_count - 1));
175 break;
176
177 case ACPI_RSC_COUNT_GPIO_PIN:
178
179 target = ACPI_ADD_PTR(void, aml, info->value);
180 item_count = ACPI_GET16(target) - ACPI_GET16(source);
181
182 resource->length = resource->length + item_count;
183 item_count = item_count / 2;
184 ACPI_SET16(destination) = item_count;
185 break;
186
187 case ACPI_RSC_COUNT_GPIO_VEN:
188
189 item_count = ACPI_GET8(source);
190 ACPI_SET8(destination) = (u8)item_count;
191
192 resource->length = resource->length +
193 (info->value * item_count);
194 break;
195
196 case ACPI_RSC_COUNT_GPIO_RES:
197
198 /*
199 * Vendor data is optional (length/offset may both be zero)
200 * Examine vendor data length field first
201 */
202 target = ACPI_ADD_PTR(void, aml, (info->value + 2));
203 if (ACPI_GET16(target)) {
204
205 /* Use vendor offset to get resource source length */
206
207 target = ACPI_ADD_PTR(void, aml, info->value);
208 item_count =
209 ACPI_GET16(target) - ACPI_GET16(source);
210 } else {
211 /* No vendor data to worry about */
212
213 item_count = aml->large_header.resource_length +
214 sizeof(struct aml_resource_large_header) -
215 ACPI_GET16(source);
216 }
217
218 resource->length = resource->length + item_count;
219 ACPI_SET16(destination) = item_count;
220 break;
221
222 case ACPI_RSC_COUNT_SERIAL_VEN:
223
224 item_count = ACPI_GET16(source) - info->value;
225
226 resource->length = resource->length + item_count;
227 ACPI_SET16(destination) = item_count;
228 break;
229
230 case ACPI_RSC_COUNT_SERIAL_RES:
231
232 item_count = (aml_resource_length +
233 sizeof(struct aml_resource_large_header))
234 - ACPI_GET16(source) - info->value;
235
236 resource->length = resource->length + item_count;
237 ACPI_SET16(destination) = item_count;
238 break;
239
240 case ACPI_RSC_LENGTH:
241
242 resource->length = resource->length + info->value;
243 break;
244
245 case ACPI_RSC_MOVE8:
246 case ACPI_RSC_MOVE16:
247 case ACPI_RSC_MOVE32:
248 case ACPI_RSC_MOVE64:
249 /*
250 * Raw data move. Use the Info value field unless item_count has
251 * been previously initialized via a COUNT opcode
252 */
253 if (info->value) {
254 item_count = info->value;
255 }
256 acpi_rs_move_data(destination, source, item_count,
257 info->opcode);
258 break;
259
260 case ACPI_RSC_MOVE_GPIO_PIN:
261
262 /* Generate and set the PIN data pointer */
263
264 target = (char *)ACPI_ADD_PTR(void, resource,
265 (resource->length -
266 item_count * 2));
267 *(u16 **)destination = ACPI_CAST_PTR(u16, target);
268
269 /* Copy the PIN data */
270
271 source = ACPI_ADD_PTR(void, aml, ACPI_GET16(source));
272 acpi_rs_move_data(target, source, item_count,
273 info->opcode);
274 break;
275
276 case ACPI_RSC_MOVE_GPIO_RES:
277
278 /* Generate and set the resource_source string pointer */
279
280 target = (char *)ACPI_ADD_PTR(void, resource,
281 (resource->length -
282 item_count));
283 *(u8 **)destination = ACPI_CAST_PTR(u8, target);
284
285 /* Copy the resource_source string */
286
287 source = ACPI_ADD_PTR(void, aml, ACPI_GET16(source));
288 acpi_rs_move_data(target, source, item_count,
289 info->opcode);
290 break;
291
292 case ACPI_RSC_MOVE_SERIAL_VEN:
293
294 /* Generate and set the Vendor Data pointer */
295
296 target = (char *)ACPI_ADD_PTR(void, resource,
297 (resource->length -
298 item_count));
299 *(u8 **)destination = ACPI_CAST_PTR(u8, target);
300
301 /* Copy the Vendor Data */
302
303 source = ACPI_ADD_PTR(void, aml, info->value);
304 acpi_rs_move_data(target, source, item_count,
305 info->opcode);
306 break;
307
308 case ACPI_RSC_MOVE_SERIAL_RES:
309
310 /* Generate and set the resource_source string pointer */
311
312 target = (char *)ACPI_ADD_PTR(void, resource,
313 (resource->length -
314 item_count));
315 *(u8 **)destination = ACPI_CAST_PTR(u8, target);
316
317 /* Copy the resource_source string */
318
319 source =
320 ACPI_ADD_PTR(void, aml,
321 (ACPI_GET16(source) + info->value));
322 acpi_rs_move_data(target, source, item_count,
323 info->opcode);
324 break;
325
326 case ACPI_RSC_SET8:
327
328 ACPI_MEMSET(destination, info->aml_offset, info->value);
329 break;
330
331 case ACPI_RSC_DATA8:
332
333 target = ACPI_ADD_PTR(char, resource, info->value);
334 ACPI_MEMCPY(destination, source, ACPI_GET16(target));
335 break;
336
337 case ACPI_RSC_ADDRESS:
338 /*
339 * Common handler for address descriptor flags
340 */
341 if (!acpi_rs_get_address_common(resource, aml)) {
342 return_ACPI_STATUS
343 (AE_AML_INVALID_RESOURCE_TYPE);
344 }
345 break;
346
347 case ACPI_RSC_SOURCE:
348 /*
349 * Optional resource_source (Index and String)
350 */
351 resource->length +=
352 acpi_rs_get_resource_source(aml_resource_length,
353 info->value,
354 destination, aml, NULL);
355 break;
356
357 case ACPI_RSC_SOURCEX:
358 /*
359 * Optional resource_source (Index and String). This is the more
360 * complicated case used by the Interrupt() macro
361 */
362 target = ACPI_ADD_PTR(char, resource,
363 info->aml_offset +
364 (item_count * 4));
365
366 resource->length +=
367 acpi_rs_get_resource_source(aml_resource_length,
368 (acpi_rs_length)
369 (((item_count -
370 1) * sizeof(u32)) +
371 info->value),
372 destination, aml,
373 target);
374 break;
375
376 case ACPI_RSC_BITMASK:
377 /*
378 * 8-bit encoded bitmask (DMA macro)
379 */
380 item_count =
381 acpi_rs_decode_bitmask(ACPI_GET8(source),
382 destination);
383 if (item_count) {
384 resource->length += (item_count - 1);
385 }
386
387 target = ACPI_ADD_PTR(char, resource, info->value);
388 ACPI_SET8(target) = (u8) item_count;
389 break;
390
391 case ACPI_RSC_BITMASK16:
392 /*
393 * 16-bit encoded bitmask (IRQ macro)
394 */
395 ACPI_MOVE_16_TO_16(&temp16, source);
396
397 item_count =
398 acpi_rs_decode_bitmask(temp16, destination);
399 if (item_count) {
400 resource->length += (item_count - 1);
401 }
402
403 target = ACPI_ADD_PTR(char, resource, info->value);
404 ACPI_SET8(target) = (u8) item_count;
405 break;
406
407 case ACPI_RSC_EXIT_NE:
408 /*
409 * Control - Exit conversion if not equal
410 */
411 switch (info->resource_offset) {
412 case ACPI_RSC_COMPARE_AML_LENGTH:
413 if (aml_resource_length != info->value) {
414 goto exit;
415 }
416 break;
417
418 case ACPI_RSC_COMPARE_VALUE:
419 if (ACPI_GET8(source) != info->value) {
420 goto exit;
421 }
422 break;
423
424 default:
425
426 ACPI_ERROR((AE_INFO,
427 "Invalid conversion sub-opcode"));
428 return_ACPI_STATUS(AE_BAD_PARAMETER);
429 }
430 break;
431
432 default:
433
434 ACPI_ERROR((AE_INFO, "Invalid conversion opcode"));
435 return_ACPI_STATUS(AE_BAD_PARAMETER);
436 }
437
438 count--;
439 info++;
440 }
441
442 exit:
443 if (!flags_mode) {
444
445 /* Round the resource struct length up to the next boundary (32 or 64) */
446
447 resource->length =
448 (u32) ACPI_ROUND_UP_TO_NATIVE_WORD(resource->length);
449 }
450 return_ACPI_STATUS(AE_OK);
451}
452
453/*******************************************************************************
454 *
455 * FUNCTION: acpi_rs_convert_resource_to_aml
456 *
457 * PARAMETERS: Resource - Pointer to the resource descriptor
458 * Aml - Where the AML descriptor is returned
459 * Info - Pointer to appropriate conversion table
460 *
461 * RETURN: Status
462 *
463 * DESCRIPTION: Convert an internal resource descriptor to the corresponding
464 * external AML resource descriptor.
465 *
466 ******************************************************************************/
467
468acpi_status
469acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
470 union aml_resource *aml,
471 struct acpi_rsconvert_info *info)
472{
473 void *source = NULL;
474 void *destination;
475 char *target;
476 acpi_rsdesc_size aml_length = 0;
477 u8 count;
478 u16 temp16 = 0;
479 u16 item_count = 0;
480
481 ACPI_FUNCTION_TRACE(rs_convert_resource_to_aml);
482
483 if (!info) {
484 return_ACPI_STATUS(AE_BAD_PARAMETER);
485 }
486
487 /*
488 * First table entry must be ACPI_RSC_INITxxx and must contain the
489 * table length (# of table entries)
490 */
491 count = INIT_TABLE_LENGTH(info);
492
493 while (count) {
494 /*
495 * Source is the internal resource descriptor,
496 * destination is the external AML byte stream buffer
497 */
498 source = ACPI_ADD_PTR(void, resource, info->resource_offset);
499 destination = ACPI_ADD_PTR(void, aml, info->aml_offset);
500
501 switch (info->opcode) {
502 case ACPI_RSC_INITSET:
503
504 ACPI_MEMSET(aml, 0, INIT_RESOURCE_LENGTH(info));
505 aml_length = INIT_RESOURCE_LENGTH(info);
506 acpi_rs_set_resource_header(INIT_RESOURCE_TYPE(info),
507 aml_length, aml);
508 break;
509
510 case ACPI_RSC_INITGET:
511 break;
512
513 case ACPI_RSC_FLAGINIT:
514 /*
515 * Clear the flag byte
516 */
517 ACPI_SET8(destination) = 0;
518 break;
519
520 case ACPI_RSC_1BITFLAG:
521 /*
522 * Mask and shift the flag bit
523 */
524 ACPI_SET8(destination) |= (u8)
525 ((ACPI_GET8(source) & 0x01) << info->value);
526 break;
527
528 case ACPI_RSC_2BITFLAG:
529 /*
530 * Mask and shift the flag bits
531 */
532 ACPI_SET8(destination) |= (u8)
533 ((ACPI_GET8(source) & 0x03) << info->value);
534 break;
535
536 case ACPI_RSC_3BITFLAG:
537 /*
538 * Mask and shift the flag bits
539 */
540 ACPI_SET8(destination) |= (u8)
541 ((ACPI_GET8(source) & 0x07) << info->value);
542 break;
543
544 case ACPI_RSC_COUNT:
545
546 item_count = ACPI_GET8(source);
547 ACPI_SET8(destination) = (u8) item_count;
548
549 aml_length =
550 (u16) (aml_length +
551 (info->value * (item_count - 1)));
552 break;
553
554 case ACPI_RSC_COUNT16:
555
556 item_count = ACPI_GET16(source);
557 aml_length = (u16) (aml_length + item_count);
558 acpi_rs_set_resource_length(aml_length, aml);
559 break;
560
561 case ACPI_RSC_COUNT_GPIO_PIN:
562
563 item_count = ACPI_GET16(source);
564 ACPI_SET16(destination) = (u16)aml_length;
565
566 aml_length = (u16)(aml_length + item_count * 2);
567 target = ACPI_ADD_PTR(void, aml, info->value);
568 ACPI_SET16(target) = (u16)aml_length;
569 acpi_rs_set_resource_length(aml_length, aml);
570 break;
571
572 case ACPI_RSC_COUNT_GPIO_VEN:
573
574 item_count = ACPI_GET16(source);
575 ACPI_SET16(destination) = (u16)item_count;
576
577 aml_length =
578 (u16)(aml_length + (info->value * item_count));
579 acpi_rs_set_resource_length(aml_length, aml);
580 break;
581
582 case ACPI_RSC_COUNT_GPIO_RES:
583
584 /* Set resource source string length */
585
586 item_count = ACPI_GET16(source);
587 ACPI_SET16(destination) = (u16)aml_length;
588
589 /* Compute offset for the Vendor Data */
590
591 aml_length = (u16)(aml_length + item_count);
592 target = ACPI_ADD_PTR(void, aml, info->value);
593
594 /* Set vendor offset only if there is vendor data */
595
596 if (resource->data.gpio.vendor_length) {
597 ACPI_SET16(target) = (u16)aml_length;
598 }
599
600 acpi_rs_set_resource_length(aml_length, aml);
601 break;
602
603 case ACPI_RSC_COUNT_SERIAL_VEN:
604
605 item_count = ACPI_GET16(source);
606 ACPI_SET16(destination) = item_count + info->value;
607 aml_length = (u16)(aml_length + item_count);
608 acpi_rs_set_resource_length(aml_length, aml);
609 break;
610
611 case ACPI_RSC_COUNT_SERIAL_RES:
612
613 item_count = ACPI_GET16(source);
614 aml_length = (u16)(aml_length + item_count);
615 acpi_rs_set_resource_length(aml_length, aml);
616 break;
617
618 case ACPI_RSC_LENGTH:
619
620 acpi_rs_set_resource_length(info->value, aml);
621 break;
622
623 case ACPI_RSC_MOVE8:
624 case ACPI_RSC_MOVE16:
625 case ACPI_RSC_MOVE32:
626 case ACPI_RSC_MOVE64:
627
628 if (info->value) {
629 item_count = info->value;
630 }
631 acpi_rs_move_data(destination, source, item_count,
632 info->opcode);
633 break;
634
635 case ACPI_RSC_MOVE_GPIO_PIN:
636
637 destination = (char *)ACPI_ADD_PTR(void, aml,
638 ACPI_GET16
639 (destination));
640 source = *(u16 **)source;
641 acpi_rs_move_data(destination, source, item_count,
642 info->opcode);
643 break;
644
645 case ACPI_RSC_MOVE_GPIO_RES:
646
647 /* Used for both resource_source string and vendor_data */
648
649 destination = (char *)ACPI_ADD_PTR(void, aml,
650 ACPI_GET16
651 (destination));
652 source = *(u8 **)source;
653 acpi_rs_move_data(destination, source, item_count,
654 info->opcode);
655 break;
656
657 case ACPI_RSC_MOVE_SERIAL_VEN:
658
659 destination = (char *)ACPI_ADD_PTR(void, aml,
660 (aml_length -
661 item_count));
662 source = *(u8 **)source;
663 acpi_rs_move_data(destination, source, item_count,
664 info->opcode);
665 break;
666
667 case ACPI_RSC_MOVE_SERIAL_RES:
668
669 destination = (char *)ACPI_ADD_PTR(void, aml,
670 (aml_length -
671 item_count));
672 source = *(u8 **)source;
673 acpi_rs_move_data(destination, source, item_count,
674 info->opcode);
675 break;
676
677 case ACPI_RSC_ADDRESS:
678
679 /* Set the Resource Type, General Flags, and Type-Specific Flags */
680
681 acpi_rs_set_address_common(aml, resource);
682 break;
683
684 case ACPI_RSC_SOURCEX:
685 /*
686 * Optional resource_source (Index and String)
687 */
688 aml_length =
689 acpi_rs_set_resource_source(aml, (acpi_rs_length)
690 aml_length, source);
691 acpi_rs_set_resource_length(aml_length, aml);
692 break;
693
694 case ACPI_RSC_SOURCE:
695 /*
696 * Optional resource_source (Index and String). This is the more
697 * complicated case used by the Interrupt() macro
698 */
699 aml_length =
700 acpi_rs_set_resource_source(aml, info->value,
701 source);
702 acpi_rs_set_resource_length(aml_length, aml);
703 break;
704
705 case ACPI_RSC_BITMASK:
706 /*
707 * 8-bit encoded bitmask (DMA macro)
708 */
709 ACPI_SET8(destination) = (u8)
710 acpi_rs_encode_bitmask(source,
711 *ACPI_ADD_PTR(u8, resource,
712 info->value));
713 break;
714
715 case ACPI_RSC_BITMASK16:
716 /*
717 * 16-bit encoded bitmask (IRQ macro)
718 */
719 temp16 = acpi_rs_encode_bitmask(source,
720 *ACPI_ADD_PTR(u8,
721 resource,
722 info->
723 value));
724 ACPI_MOVE_16_TO_16(destination, &temp16);
725 break;
726
727 case ACPI_RSC_EXIT_LE:
728 /*
729 * Control - Exit conversion if less than or equal
730 */
731 if (item_count <= info->value) {
732 goto exit;
733 }
734 break;
735
736 case ACPI_RSC_EXIT_NE:
737 /*
738 * Control - Exit conversion if not equal
739 */
740 switch (COMPARE_OPCODE(info)) {
741 case ACPI_RSC_COMPARE_VALUE:
742
743 if (*ACPI_ADD_PTR(u8, resource,
744 COMPARE_TARGET(info)) !=
745 COMPARE_VALUE(info)) {
746 goto exit;
747 }
748 break;
749
750 default:
751
752 ACPI_ERROR((AE_INFO,
753 "Invalid conversion sub-opcode"));
754 return_ACPI_STATUS(AE_BAD_PARAMETER);
755 }
756 break;
757
758 case ACPI_RSC_EXIT_EQ:
759 /*
760 * Control - Exit conversion if equal
761 */
762 if (*ACPI_ADD_PTR(u8, resource,
763 COMPARE_TARGET(info)) ==
764 COMPARE_VALUE(info)) {
765 goto exit;
766 }
767 break;
768
769 default:
770
771 ACPI_ERROR((AE_INFO, "Invalid conversion opcode"));
772 return_ACPI_STATUS(AE_BAD_PARAMETER);
773 }
774
775 count--;
776 info++;
777 }
778
779 exit:
780 return_ACPI_STATUS(AE_OK);
781}
782
783#if 0
784/* Previous resource validations */
785
786if (aml->ext_address64.revision_iD != AML_RESOURCE_EXTENDED_ADDRESS_REVISION) {
787 return_ACPI_STATUS(AE_SUPPORT);
788}
789
790if (resource->data.start_dpf.performance_robustness >= 3) {
791 return_ACPI_STATUS(AE_AML_BAD_RESOURCE_VALUE);
792}
793
794if (((aml->irq.flags & 0x09) == 0x00) || ((aml->irq.flags & 0x09) == 0x09)) {
795 /*
796 * Only [active_high, edge_sensitive] or [active_low, level_sensitive]
797 * polarity/trigger interrupts are allowed (ACPI spec, section
798 * "IRQ Format"), so 0x00 and 0x09 are illegal.
799 */
800 ACPI_ERROR((AE_INFO,
801 "Invalid interrupt polarity/trigger in resource list, 0x%X",
802 aml->irq.flags));
803 return_ACPI_STATUS(AE_BAD_DATA);
804}
805
806resource->data.extended_irq.interrupt_count = temp8;
807if (temp8 < 1) {
808
809 /* Must have at least one IRQ */
810
811 return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH);
812}
813
814if (resource->data.dma.transfer == 0x03) {
815 ACPI_ERROR((AE_INFO, "Invalid DMA.Transfer preference (3)"));
816 return_ACPI_STATUS(AE_BAD_DATA);
817}
818#endif
1// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
2/*******************************************************************************
3 *
4 * Module Name: rsmisc - Miscellaneous resource descriptors
5 *
6 ******************************************************************************/
7
8#include <acpi/acpi.h>
9#include "accommon.h"
10#include "acresrc.h"
11
12#define _COMPONENT ACPI_RESOURCES
13ACPI_MODULE_NAME("rsmisc")
14#define INIT_RESOURCE_TYPE(i) i->resource_offset
15#define INIT_RESOURCE_LENGTH(i) i->aml_offset
16#define INIT_TABLE_LENGTH(i) i->value
17#define COMPARE_OPCODE(i) i->resource_offset
18#define COMPARE_TARGET(i) i->aml_offset
19#define COMPARE_VALUE(i) i->value
20/*******************************************************************************
21 *
22 * FUNCTION: acpi_rs_convert_aml_to_resource
23 *
24 * PARAMETERS: resource - Pointer to the resource descriptor
25 * aml - Where the AML descriptor is returned
26 * info - Pointer to appropriate conversion table
27 *
28 * RETURN: Status
29 *
30 * DESCRIPTION: Convert an external AML resource descriptor to the corresponding
31 * internal resource descriptor
32 *
33 ******************************************************************************/
34acpi_status
35acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
36 union aml_resource *aml,
37 struct acpi_rsconvert_info *info)
38{
39 acpi_rs_length aml_resource_length;
40 void *source;
41 void *destination;
42 char *target;
43 u8 count;
44 u8 flags_mode = FALSE;
45 u16 item_count = 0;
46 u16 temp16 = 0;
47
48 ACPI_FUNCTION_TRACE(rs_convert_aml_to_resource);
49
50 if (!info) {
51 return_ACPI_STATUS(AE_BAD_PARAMETER);
52 }
53
54 if (((acpi_size)resource) & 0x3) {
55
56 /* Each internal resource struct is expected to be 32-bit aligned */
57
58 ACPI_WARNING((AE_INFO,
59 "Misaligned resource pointer (get): %p Type 0x%2.2X Length %u",
60 resource, resource->type, resource->length));
61 }
62
63 /* Extract the resource Length field (does not include header length) */
64
65 aml_resource_length = acpi_ut_get_resource_length(aml);
66
67 /*
68 * First table entry must be ACPI_RSC_INITxxx and must contain the
69 * table length (# of table entries)
70 */
71 count = INIT_TABLE_LENGTH(info);
72 while (count) {
73 target = NULL;
74
75 /*
76 * Source is the external AML byte stream buffer,
77 * destination is the internal resource descriptor
78 */
79 source = ACPI_ADD_PTR(void, aml, info->aml_offset);
80 destination =
81 ACPI_ADD_PTR(void, resource, info->resource_offset);
82
83 switch (info->opcode) {
84 case ACPI_RSC_INITGET:
85 /*
86 * Get the resource type and the initial (minimum) length
87 */
88 memset(resource, 0, INIT_RESOURCE_LENGTH(info));
89 resource->type = INIT_RESOURCE_TYPE(info);
90 resource->length = INIT_RESOURCE_LENGTH(info);
91 break;
92
93 case ACPI_RSC_INITSET:
94 break;
95
96 case ACPI_RSC_FLAGINIT:
97
98 flags_mode = TRUE;
99 break;
100
101 case ACPI_RSC_1BITFLAG:
102 /*
103 * Mask and shift the flag bit
104 */
105 ACPI_SET8(destination,
106 ((ACPI_GET8(source) >> info->value) & 0x01));
107 break;
108
109 case ACPI_RSC_2BITFLAG:
110 /*
111 * Mask and shift the flag bits
112 */
113 ACPI_SET8(destination,
114 ((ACPI_GET8(source) >> info->value) & 0x03));
115 break;
116
117 case ACPI_RSC_3BITFLAG:
118 /*
119 * Mask and shift the flag bits
120 */
121 ACPI_SET8(destination,
122 ((ACPI_GET8(source) >> info->value) & 0x07));
123 break;
124
125 case ACPI_RSC_6BITFLAG:
126 /*
127 * Mask and shift the flag bits
128 */
129 ACPI_SET8(destination,
130 ((ACPI_GET8(source) >> info->value) & 0x3F));
131 break;
132
133 case ACPI_RSC_COUNT:
134
135 item_count = ACPI_GET8(source);
136 ACPI_SET8(destination, item_count);
137
138 resource->length = resource->length +
139 (info->value * (item_count - 1));
140 break;
141
142 case ACPI_RSC_COUNT16:
143
144 item_count = aml_resource_length;
145 ACPI_SET16(destination, item_count);
146
147 resource->length = resource->length +
148 (info->value * (item_count - 1));
149 break;
150
151 case ACPI_RSC_COUNT_GPIO_PIN:
152
153 target = ACPI_ADD_PTR(void, aml, info->value);
154 item_count = ACPI_GET16(target) - ACPI_GET16(source);
155
156 resource->length = resource->length + item_count;
157 item_count = item_count / 2;
158 ACPI_SET16(destination, item_count);
159 break;
160
161 case ACPI_RSC_COUNT_GPIO_VEN:
162
163 item_count = ACPI_GET8(source);
164 ACPI_SET8(destination, item_count);
165
166 resource->length =
167 resource->length + (info->value * item_count);
168 break;
169
170 case ACPI_RSC_COUNT_GPIO_RES:
171 /*
172 * Vendor data is optional (length/offset may both be zero)
173 * Examine vendor data length field first
174 */
175 target = ACPI_ADD_PTR(void, aml, (info->value + 2));
176 if (ACPI_GET16(target)) {
177
178 /* Use vendor offset to get resource source length */
179
180 target = ACPI_ADD_PTR(void, aml, info->value);
181 item_count =
182 ACPI_GET16(target) - ACPI_GET16(source);
183 } else {
184 /* No vendor data to worry about */
185
186 item_count = aml->large_header.resource_length +
187 sizeof(struct aml_resource_large_header) -
188 ACPI_GET16(source);
189 }
190
191 resource->length = resource->length + item_count;
192 ACPI_SET16(destination, item_count);
193 break;
194
195 case ACPI_RSC_COUNT_SERIAL_VEN:
196
197 item_count = ACPI_GET16(source) - info->value;
198
199 resource->length = resource->length + item_count;
200 ACPI_SET16(destination, item_count);
201 break;
202
203 case ACPI_RSC_COUNT_SERIAL_RES:
204
205 item_count = (aml_resource_length +
206 sizeof(struct aml_resource_large_header))
207 - ACPI_GET16(source) - info->value;
208
209 resource->length = resource->length + item_count;
210 ACPI_SET16(destination, item_count);
211 break;
212
213 case ACPI_RSC_LENGTH:
214
215 resource->length = resource->length + info->value;
216 break;
217
218 case ACPI_RSC_MOVE8:
219 case ACPI_RSC_MOVE16:
220 case ACPI_RSC_MOVE32:
221 case ACPI_RSC_MOVE64:
222 /*
223 * Raw data move. Use the Info value field unless item_count has
224 * been previously initialized via a COUNT opcode
225 */
226 if (info->value) {
227 item_count = info->value;
228 }
229 acpi_rs_move_data(destination, source, item_count,
230 info->opcode);
231 break;
232
233 case ACPI_RSC_MOVE_GPIO_PIN:
234
235 /* Generate and set the PIN data pointer */
236
237 target = (char *)ACPI_ADD_PTR(void, resource,
238 (resource->length -
239 item_count * 2));
240 *(u16 **)destination = ACPI_CAST_PTR(u16, target);
241
242 /* Copy the PIN data */
243
244 source = ACPI_ADD_PTR(void, aml, ACPI_GET16(source));
245 acpi_rs_move_data(target, source, item_count,
246 info->opcode);
247 break;
248
249 case ACPI_RSC_MOVE_GPIO_RES:
250
251 /* Generate and set the resource_source string pointer */
252
253 target = (char *)ACPI_ADD_PTR(void, resource,
254 (resource->length -
255 item_count));
256 *(u8 **)destination = ACPI_CAST_PTR(u8, target);
257
258 /* Copy the resource_source string */
259
260 source = ACPI_ADD_PTR(void, aml, ACPI_GET16(source));
261 acpi_rs_move_data(target, source, item_count,
262 info->opcode);
263 break;
264
265 case ACPI_RSC_MOVE_SERIAL_VEN:
266
267 /* Generate and set the Vendor Data pointer */
268
269 target = (char *)ACPI_ADD_PTR(void, resource,
270 (resource->length -
271 item_count));
272 *(u8 **)destination = ACPI_CAST_PTR(u8, target);
273
274 /* Copy the Vendor Data */
275
276 source = ACPI_ADD_PTR(void, aml, info->value);
277 acpi_rs_move_data(target, source, item_count,
278 info->opcode);
279 break;
280
281 case ACPI_RSC_MOVE_SERIAL_RES:
282
283 /* Generate and set the resource_source string pointer */
284
285 target = (char *)ACPI_ADD_PTR(void, resource,
286 (resource->length -
287 item_count));
288 *(u8 **)destination = ACPI_CAST_PTR(u8, target);
289
290 /* Copy the resource_source string */
291
292 source =
293 ACPI_ADD_PTR(void, aml,
294 (ACPI_GET16(source) + info->value));
295 acpi_rs_move_data(target, source, item_count,
296 info->opcode);
297 break;
298
299 case ACPI_RSC_SET8:
300
301 memset(destination, info->aml_offset, info->value);
302 break;
303
304 case ACPI_RSC_DATA8:
305
306 target = ACPI_ADD_PTR(char, resource, info->value);
307 memcpy(destination, source, ACPI_GET16(target));
308 break;
309
310 case ACPI_RSC_ADDRESS:
311 /*
312 * Common handler for address descriptor flags
313 */
314 if (!acpi_rs_get_address_common(resource, aml)) {
315 return_ACPI_STATUS
316 (AE_AML_INVALID_RESOURCE_TYPE);
317 }
318 break;
319
320 case ACPI_RSC_SOURCE:
321 /*
322 * Optional resource_source (Index and String)
323 */
324 resource->length +=
325 acpi_rs_get_resource_source(aml_resource_length,
326 info->value,
327 destination, aml, NULL);
328 break;
329
330 case ACPI_RSC_SOURCEX:
331 /*
332 * Optional resource_source (Index and String). This is the more
333 * complicated case used by the Interrupt() macro
334 */
335 target = ACPI_ADD_PTR(char, resource,
336 info->aml_offset +
337 (item_count * 4));
338
339 resource->length +=
340 acpi_rs_get_resource_source(aml_resource_length,
341 (acpi_rs_length)
342 (((item_count -
343 1) * sizeof(u32)) +
344 info->value),
345 destination, aml,
346 target);
347 break;
348
349 case ACPI_RSC_BITMASK:
350 /*
351 * 8-bit encoded bitmask (DMA macro)
352 */
353 item_count =
354 acpi_rs_decode_bitmask(ACPI_GET8(source),
355 destination);
356 if (item_count) {
357 resource->length += (item_count - 1);
358 }
359
360 target = ACPI_ADD_PTR(char, resource, info->value);
361 ACPI_SET8(target, item_count);
362 break;
363
364 case ACPI_RSC_BITMASK16:
365 /*
366 * 16-bit encoded bitmask (IRQ macro)
367 */
368 ACPI_MOVE_16_TO_16(&temp16, source);
369
370 item_count =
371 acpi_rs_decode_bitmask(temp16, destination);
372 if (item_count) {
373 resource->length += (item_count - 1);
374 }
375
376 target = ACPI_ADD_PTR(char, resource, info->value);
377 ACPI_SET8(target, item_count);
378 break;
379
380 case ACPI_RSC_EXIT_NE:
381 /*
382 * control - Exit conversion if not equal
383 */
384 switch (info->resource_offset) {
385 case ACPI_RSC_COMPARE_AML_LENGTH:
386
387 if (aml_resource_length != info->value) {
388 goto exit;
389 }
390 break;
391
392 case ACPI_RSC_COMPARE_VALUE:
393
394 if (ACPI_GET8(source) != info->value) {
395 goto exit;
396 }
397 break;
398
399 default:
400
401 ACPI_ERROR((AE_INFO,
402 "Invalid conversion sub-opcode"));
403 return_ACPI_STATUS(AE_BAD_PARAMETER);
404 }
405 break;
406
407 default:
408
409 ACPI_ERROR((AE_INFO, "Invalid conversion opcode"));
410 return_ACPI_STATUS(AE_BAD_PARAMETER);
411 }
412
413 count--;
414 info++;
415 }
416
417exit:
418 if (!flags_mode) {
419
420 /* Round the resource struct length up to the next boundary (32 or 64) */
421
422 resource->length = (u32)
423 ACPI_ROUND_UP_TO_NATIVE_WORD(resource->length);
424 }
425 return_ACPI_STATUS(AE_OK);
426}
427
428/*******************************************************************************
429 *
430 * FUNCTION: acpi_rs_convert_resource_to_aml
431 *
432 * PARAMETERS: resource - Pointer to the resource descriptor
433 * aml - Where the AML descriptor is returned
434 * info - Pointer to appropriate conversion table
435 *
436 * RETURN: Status
437 *
438 * DESCRIPTION: Convert an internal resource descriptor to the corresponding
439 * external AML resource descriptor.
440 *
441 ******************************************************************************/
442
443acpi_status
444acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
445 union aml_resource *aml,
446 struct acpi_rsconvert_info *info)
447{
448 void *source = NULL;
449 void *destination;
450 char *target;
451 acpi_rsdesc_size aml_length = 0;
452 u8 count;
453 u16 temp16 = 0;
454 u16 item_count = 0;
455
456 ACPI_FUNCTION_TRACE(rs_convert_resource_to_aml);
457
458 if (!info) {
459 return_ACPI_STATUS(AE_BAD_PARAMETER);
460 }
461
462 /*
463 * First table entry must be ACPI_RSC_INITxxx and must contain the
464 * table length (# of table entries)
465 */
466 count = INIT_TABLE_LENGTH(info);
467
468 while (count) {
469 /*
470 * Source is the internal resource descriptor,
471 * destination is the external AML byte stream buffer
472 */
473 source = ACPI_ADD_PTR(void, resource, info->resource_offset);
474 destination = ACPI_ADD_PTR(void, aml, info->aml_offset);
475
476 switch (info->opcode) {
477 case ACPI_RSC_INITSET:
478
479 memset(aml, 0, INIT_RESOURCE_LENGTH(info));
480 aml_length = INIT_RESOURCE_LENGTH(info);
481 acpi_rs_set_resource_header(INIT_RESOURCE_TYPE(info),
482 aml_length, aml);
483 break;
484
485 case ACPI_RSC_INITGET:
486 break;
487
488 case ACPI_RSC_FLAGINIT:
489 /*
490 * Clear the flag byte
491 */
492 ACPI_SET8(destination, 0);
493 break;
494
495 case ACPI_RSC_1BITFLAG:
496 /*
497 * Mask and shift the flag bit
498 */
499 ACPI_SET_BIT(*ACPI_CAST8(destination), (u8)
500 ((ACPI_GET8(source) & 0x01) << info->
501 value));
502 break;
503
504 case ACPI_RSC_2BITFLAG:
505 /*
506 * Mask and shift the flag bits
507 */
508 ACPI_SET_BIT(*ACPI_CAST8(destination), (u8)
509 ((ACPI_GET8(source) & 0x03) << info->
510 value));
511 break;
512
513 case ACPI_RSC_3BITFLAG:
514 /*
515 * Mask and shift the flag bits
516 */
517 ACPI_SET_BIT(*ACPI_CAST8(destination), (u8)
518 ((ACPI_GET8(source) & 0x07) << info->
519 value));
520 break;
521
522 case ACPI_RSC_6BITFLAG:
523 /*
524 * Mask and shift the flag bits
525 */
526 ACPI_SET_BIT(*ACPI_CAST8(destination), (u8)
527 ((ACPI_GET8(source) & 0x3F) << info->
528 value));
529 break;
530
531 case ACPI_RSC_COUNT:
532
533 item_count = ACPI_GET8(source);
534 ACPI_SET8(destination, item_count);
535
536 aml_length = (u16)
537 (aml_length + (info->value * (item_count - 1)));
538 break;
539
540 case ACPI_RSC_COUNT16:
541
542 item_count = ACPI_GET16(source);
543 aml_length = (u16) (aml_length + item_count);
544 acpi_rs_set_resource_length(aml_length, aml);
545 break;
546
547 case ACPI_RSC_COUNT_GPIO_PIN:
548
549 item_count = ACPI_GET16(source);
550 ACPI_SET16(destination, aml_length);
551
552 aml_length = (u16)(aml_length + item_count * 2);
553 target = ACPI_ADD_PTR(void, aml, info->value);
554 ACPI_SET16(target, aml_length);
555 acpi_rs_set_resource_length(aml_length, aml);
556 break;
557
558 case ACPI_RSC_COUNT_GPIO_VEN:
559
560 item_count = ACPI_GET16(source);
561 ACPI_SET16(destination, item_count);
562
563 aml_length =
564 (u16)(aml_length + (info->value * item_count));
565 acpi_rs_set_resource_length(aml_length, aml);
566 break;
567
568 case ACPI_RSC_COUNT_GPIO_RES:
569
570 /* Set resource source string length */
571
572 item_count = ACPI_GET16(source);
573 ACPI_SET16(destination, aml_length);
574
575 /* Compute offset for the Vendor Data */
576
577 aml_length = (u16)(aml_length + item_count);
578 target = ACPI_ADD_PTR(void, aml, info->value);
579
580 /* Set vendor offset only if there is vendor data */
581
582 ACPI_SET16(target, aml_length);
583
584 acpi_rs_set_resource_length(aml_length, aml);
585 break;
586
587 case ACPI_RSC_COUNT_SERIAL_VEN:
588
589 item_count = ACPI_GET16(source);
590 ACPI_SET16(destination, item_count + info->value);
591 aml_length = (u16)(aml_length + item_count);
592 acpi_rs_set_resource_length(aml_length, aml);
593 break;
594
595 case ACPI_RSC_COUNT_SERIAL_RES:
596
597 item_count = ACPI_GET16(source);
598 aml_length = (u16)(aml_length + item_count);
599 acpi_rs_set_resource_length(aml_length, aml);
600 break;
601
602 case ACPI_RSC_LENGTH:
603
604 acpi_rs_set_resource_length(info->value, aml);
605 break;
606
607 case ACPI_RSC_MOVE8:
608 case ACPI_RSC_MOVE16:
609 case ACPI_RSC_MOVE32:
610 case ACPI_RSC_MOVE64:
611
612 if (info->value) {
613 item_count = info->value;
614 }
615 acpi_rs_move_data(destination, source, item_count,
616 info->opcode);
617 break;
618
619 case ACPI_RSC_MOVE_GPIO_PIN:
620
621 destination = (char *)ACPI_ADD_PTR(void, aml,
622 ACPI_GET16
623 (destination));
624 source = *(u16 **)source;
625 acpi_rs_move_data(destination, source, item_count,
626 info->opcode);
627 break;
628
629 case ACPI_RSC_MOVE_GPIO_RES:
630
631 /* Used for both resource_source string and vendor_data */
632
633 destination = (char *)ACPI_ADD_PTR(void, aml,
634 ACPI_GET16
635 (destination));
636 source = *(u8 **)source;
637 acpi_rs_move_data(destination, source, item_count,
638 info->opcode);
639 break;
640
641 case ACPI_RSC_MOVE_SERIAL_VEN:
642
643 destination = (char *)ACPI_ADD_PTR(void, aml,
644 (aml_length -
645 item_count));
646 source = *(u8 **)source;
647 acpi_rs_move_data(destination, source, item_count,
648 info->opcode);
649 break;
650
651 case ACPI_RSC_MOVE_SERIAL_RES:
652
653 destination = (char *)ACPI_ADD_PTR(void, aml,
654 (aml_length -
655 item_count));
656 source = *(u8 **)source;
657 acpi_rs_move_data(destination, source, item_count,
658 info->opcode);
659 break;
660
661 case ACPI_RSC_ADDRESS:
662
663 /* Set the Resource Type, General Flags, and Type-Specific Flags */
664
665 acpi_rs_set_address_common(aml, resource);
666 break;
667
668 case ACPI_RSC_SOURCEX:
669 /*
670 * Optional resource_source (Index and String)
671 */
672 aml_length =
673 acpi_rs_set_resource_source(aml,
674 (acpi_rs_length)
675 aml_length, source);
676 acpi_rs_set_resource_length(aml_length, aml);
677 break;
678
679 case ACPI_RSC_SOURCE:
680 /*
681 * Optional resource_source (Index and String). This is the more
682 * complicated case used by the Interrupt() macro
683 */
684 aml_length =
685 acpi_rs_set_resource_source(aml, info->value,
686 source);
687 acpi_rs_set_resource_length(aml_length, aml);
688 break;
689
690 case ACPI_RSC_BITMASK:
691 /*
692 * 8-bit encoded bitmask (DMA macro)
693 */
694 ACPI_SET8(destination,
695 acpi_rs_encode_bitmask(source,
696 *ACPI_ADD_PTR(u8,
697 resource,
698 info->
699 value)));
700 break;
701
702 case ACPI_RSC_BITMASK16:
703 /*
704 * 16-bit encoded bitmask (IRQ macro)
705 */
706 temp16 =
707 acpi_rs_encode_bitmask(source,
708 *ACPI_ADD_PTR(u8, resource,
709 info->value));
710 ACPI_MOVE_16_TO_16(destination, &temp16);
711 break;
712
713 case ACPI_RSC_EXIT_LE:
714 /*
715 * control - Exit conversion if less than or equal
716 */
717 if (item_count <= info->value) {
718 goto exit;
719 }
720 break;
721
722 case ACPI_RSC_EXIT_NE:
723 /*
724 * control - Exit conversion if not equal
725 */
726 switch (COMPARE_OPCODE(info)) {
727 case ACPI_RSC_COMPARE_VALUE:
728
729 if (*ACPI_ADD_PTR(u8, resource,
730 COMPARE_TARGET(info)) !=
731 COMPARE_VALUE(info)) {
732 goto exit;
733 }
734 break;
735
736 default:
737
738 ACPI_ERROR((AE_INFO,
739 "Invalid conversion sub-opcode"));
740 return_ACPI_STATUS(AE_BAD_PARAMETER);
741 }
742 break;
743
744 case ACPI_RSC_EXIT_EQ:
745 /*
746 * control - Exit conversion if equal
747 */
748 if (*ACPI_ADD_PTR(u8, resource,
749 COMPARE_TARGET(info)) ==
750 COMPARE_VALUE(info)) {
751 goto exit;
752 }
753 break;
754
755 default:
756
757 ACPI_ERROR((AE_INFO, "Invalid conversion opcode"));
758 return_ACPI_STATUS(AE_BAD_PARAMETER);
759 }
760
761 count--;
762 info++;
763 }
764
765exit:
766 return_ACPI_STATUS(AE_OK);
767}
768
769#if 0
770/* Previous resource validations */
771
772if (aml->ext_address64.revision_ID != AML_RESOURCE_EXTENDED_ADDRESS_REVISION) {
773 return_ACPI_STATUS(AE_SUPPORT);
774}
775
776if (resource->data.start_dpf.performance_robustness >= 3) {
777 return_ACPI_STATUS(AE_AML_BAD_RESOURCE_VALUE);
778}
779
780if (((aml->irq.flags & 0x09) == 0x00) || ((aml->irq.flags & 0x09) == 0x09)) {
781 /*
782 * Only [active_high, edge_sensitive] or [active_low, level_sensitive]
783 * polarity/trigger interrupts are allowed (ACPI spec, section
784 * "IRQ Format"), so 0x00 and 0x09 are illegal.
785 */
786 ACPI_ERROR((AE_INFO,
787 "Invalid interrupt polarity/trigger in resource list, 0x%X",
788 aml->irq.flags));
789 return_ACPI_STATUS(AE_BAD_DATA);
790}
791
792resource->data.extended_irq.interrupt_count = temp8;
793if (temp8 < 1) {
794
795 /* Must have at least one IRQ */
796
797 return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH);
798}
799
800if (resource->data.dma.transfer == 0x03) {
801 ACPI_ERROR((AE_INFO, "Invalid DMA.Transfer preference (3)"));
802 return_ACPI_STATUS(AE_BAD_DATA);
803}
804#endif