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path: root/drivers/acpi/resources
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-rw-r--r--drivers/acpi/resources/rscalc.c108
-rw-r--r--drivers/acpi/resources/rscreate.c33
-rw-r--r--drivers/acpi/resources/rsdump.c42
-rw-r--r--drivers/acpi/resources/rsinfo.c1
-rw-r--r--drivers/acpi/resources/rslist.c102
-rw-r--r--drivers/acpi/resources/rsmisc.c12
-rw-r--r--drivers/acpi/resources/rsutils.c155
-rw-r--r--drivers/acpi/resources/rsxface.c395
8 files changed, 454 insertions, 394 deletions
diff --git a/drivers/acpi/resources/rscalc.c b/drivers/acpi/resources/rscalc.c
index 4038dbfa63a0..cf87b0230026 100644
--- a/drivers/acpi/resources/rscalc.c
+++ b/drivers/acpi/resources/rscalc.c
@@ -78,6 +78,7 @@ static u8 acpi_rs_count_set_bits(u16 bit_field)
78 ACPI_FUNCTION_ENTRY(); 78 ACPI_FUNCTION_ENTRY();
79 79
80 for (bits_set = 0; bit_field; bits_set++) { 80 for (bits_set = 0; bit_field; bits_set++) {
81
81 /* Zero the least significant bit that is set */ 82 /* Zero the least significant bit that is set */
82 83
83 bit_field &= (bit_field - 1); 84 bit_field &= (bit_field - 1);
@@ -154,15 +155,18 @@ acpi_rs_stream_option_length(u32 resource_length,
154 * length, minus one byte for the resource_source_index itself. 155 * length, minus one byte for the resource_source_index itself.
155 */ 156 */
156 if (resource_length > minimum_aml_resource_length) { 157 if (resource_length > minimum_aml_resource_length) {
158
157 /* Compute the length of the optional string */ 159 /* Compute the length of the optional string */
158 160
159 string_length = 161 string_length =
160 resource_length - minimum_aml_resource_length - 1; 162 resource_length - minimum_aml_resource_length - 1;
161 } 163 }
162 164
163 /* Round up length to 32 bits for internal structure alignment */ 165 /*
164 166 * Round the length up to a multiple of the native word in order to
165 return (ACPI_ROUND_UP_to_32_bITS(string_length)); 167 * guarantee that the entire resource descriptor is native word aligned
168 */
169 return ((u32) ACPI_ROUND_UP_TO_NATIVE_WORD(string_length));
166} 170}
167 171
168/******************************************************************************* 172/*******************************************************************************
@@ -186,11 +190,12 @@ acpi_rs_get_aml_length(struct acpi_resource * resource, acpi_size * size_needed)
186 acpi_size aml_size_needed = 0; 190 acpi_size aml_size_needed = 0;
187 acpi_rs_length total_size; 191 acpi_rs_length total_size;
188 192
189 ACPI_FUNCTION_TRACE("rs_get_aml_length"); 193 ACPI_FUNCTION_TRACE(rs_get_aml_length);
190 194
191 /* Traverse entire list of internal resource descriptors */ 195 /* Traverse entire list of internal resource descriptors */
192 196
193 while (resource) { 197 while (resource) {
198
194 /* Validate the descriptor type */ 199 /* Validate the descriptor type */
195 200
196 if (resource->type > ACPI_RESOURCE_TYPE_MAX) { 201 if (resource->type > ACPI_RESOURCE_TYPE_MAX) {
@@ -214,6 +219,7 @@ acpi_rs_get_aml_length(struct acpi_resource * resource, acpi_size * size_needed)
214 * is a Large Resource data type. 219 * is a Large Resource data type.
215 */ 220 */
216 if (resource->data.vendor.byte_length > 7) { 221 if (resource->data.vendor.byte_length > 7) {
222
217 /* Base size of a Large resource descriptor */ 223 /* Base size of a Large resource descriptor */
218 224
219 total_size = 225 total_size =
@@ -332,20 +338,22 @@ acpi_rs_get_list_length(u8 * aml_buffer,
332 acpi_status status; 338 acpi_status status;
333 u8 *end_aml; 339 u8 *end_aml;
334 u8 *buffer; 340 u8 *buffer;
335 u32 buffer_size = 0; 341 u32 buffer_size;
336 u16 temp16; 342 u16 temp16;
337 u16 resource_length; 343 u16 resource_length;
338 u32 extra_struct_bytes; 344 u32 extra_struct_bytes;
339 u8 resource_index; 345 u8 resource_index;
340 u8 minimum_aml_resource_length; 346 u8 minimum_aml_resource_length;
341 347
342 ACPI_FUNCTION_TRACE("rs_get_list_length"); 348 ACPI_FUNCTION_TRACE(rs_get_list_length);
343 349
350 *size_needed = 0;
344 end_aml = aml_buffer + aml_buffer_length; 351 end_aml = aml_buffer + aml_buffer_length;
345 352
346 /* Walk the list of AML resource descriptors */ 353 /* Walk the list of AML resource descriptors */
347 354
348 while (aml_buffer < end_aml) { 355 while (aml_buffer < end_aml) {
356
349 /* Validate the Resource Type and Resource Length */ 357 /* Validate the Resource Type and Resource Length */
350 358
351 status = acpi_ut_validate_resource(aml_buffer, &resource_index); 359 status = acpi_ut_validate_resource(aml_buffer, &resource_index);
@@ -386,35 +394,28 @@ acpi_rs_get_list_length(u8 * aml_buffer,
386 break; 394 break;
387 395
388 case ACPI_RESOURCE_NAME_VENDOR_SMALL: 396 case ACPI_RESOURCE_NAME_VENDOR_SMALL:
397 case ACPI_RESOURCE_NAME_VENDOR_LARGE:
389 /* 398 /*
390 * Vendor Resource: 399 * Vendor Resource:
391 * Ensure a 32-bit boundary for the structure 400 * Get the number of vendor data bytes
392 */ 401 */
393 extra_struct_bytes = 402 extra_struct_bytes = resource_length;
394 ACPI_ROUND_UP_to_32_bITS(resource_length);
395 break; 403 break;
396 404
397 case ACPI_RESOURCE_NAME_END_TAG: 405 case ACPI_RESOURCE_NAME_END_TAG:
398 /* 406 /*
399 * End Tag: This is the normal exit, add size of end_tag 407 * End Tag:
408 * This is the normal exit, add size of end_tag
400 */ 409 */
401 *size_needed = buffer_size + ACPI_RS_SIZE_MIN; 410 *size_needed += ACPI_RS_SIZE_MIN;
402 return_ACPI_STATUS(AE_OK); 411 return_ACPI_STATUS(AE_OK);
403 412
404 case ACPI_RESOURCE_NAME_VENDOR_LARGE:
405 /*
406 * Vendor Resource:
407 * Add vendor data and ensure a 32-bit boundary for the structure
408 */
409 extra_struct_bytes =
410 ACPI_ROUND_UP_to_32_bITS(resource_length);
411 break;
412
413 case ACPI_RESOURCE_NAME_ADDRESS32: 413 case ACPI_RESOURCE_NAME_ADDRESS32:
414 case ACPI_RESOURCE_NAME_ADDRESS16: 414 case ACPI_RESOURCE_NAME_ADDRESS16:
415 case ACPI_RESOURCE_NAME_ADDRESS64:
415 /* 416 /*
416 * 32-Bit or 16-bit Address Resource: 417 * Address Resource:
417 * Add the size of any optional data (resource_source) 418 * Add the size of the optional resource_source
418 */ 419 */
419 extra_struct_bytes = 420 extra_struct_bytes =
420 acpi_rs_stream_option_length(resource_length, 421 acpi_rs_stream_option_length(resource_length,
@@ -423,50 +424,46 @@ acpi_rs_get_list_length(u8 * aml_buffer,
423 424
424 case ACPI_RESOURCE_NAME_EXTENDED_IRQ: 425 case ACPI_RESOURCE_NAME_EXTENDED_IRQ:
425 /* 426 /*
426 * Extended IRQ: 427 * Extended IRQ Resource:
427 * Point past the interrupt_vector_flags to get the 428 * Using the interrupt_table_length, add 4 bytes for each additional
428 * interrupt_table_length. 429 * interrupt. Note: at least one interrupt is required and is
430 * included in the minimum descriptor size (reason for the -1)
429 */ 431 */
430 buffer++; 432 extra_struct_bytes = (buffer[1] - 1) * sizeof(u32);
431 433
432 extra_struct_bytes = 434 /* Add the size of the optional resource_source */
433 /* 435
434 * Add 4 bytes for each additional interrupt. Note: at 436 extra_struct_bytes +=
435 * least one interrupt is required and is included in
436 * the minimum descriptor size
437 */
438 ((*buffer - 1) * sizeof(u32)) +
439 /* Add the size of any optional data (resource_source) */
440 acpi_rs_stream_option_length(resource_length - 437 acpi_rs_stream_option_length(resource_length -
441 extra_struct_bytes, 438 extra_struct_bytes,
442 minimum_aml_resource_length); 439 minimum_aml_resource_length);
443 break; 440 break;
444 441
445 case ACPI_RESOURCE_NAME_ADDRESS64:
446 /*
447 * 64-Bit Address Resource:
448 * Add the size of any optional data (resource_source)
449 * Ensure a 64-bit boundary for the structure
450 */
451 extra_struct_bytes =
452 ACPI_ROUND_UP_to_64_bITS
453 (acpi_rs_stream_option_length
454 (resource_length, minimum_aml_resource_length));
455 break;
456
457 default: 442 default:
458 break; 443 break;
459 } 444 }
460 445
461 /* Update the required buffer size for the internal descriptor structs */ 446 /*
447 * Update the required buffer size for the internal descriptor structs
448 *
449 * Important: Round the size up for the appropriate alignment. This
450 * is a requirement on IA64.
451 */
452 buffer_size = acpi_gbl_resource_struct_sizes[resource_index] +
453 extra_struct_bytes;
454 buffer_size = (u32) ACPI_ROUND_UP_TO_NATIVE_WORD(buffer_size);
462 455
463 temp16 = (u16) (acpi_gbl_resource_struct_sizes[resource_index] + 456 *size_needed += buffer_size;
464 extra_struct_bytes); 457
465 buffer_size += (u32) ACPI_ROUND_UP_TO_NATIVE_WORD(temp16); 458 ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES,
459 "Type %.2X, AmlLength %.2X InternalLength %.2X\n",
460 acpi_ut_get_resource_type(aml_buffer),
461 acpi_ut_get_descriptor_length(aml_buffer),
462 buffer_size));
466 463
467 /* 464 /*
468 * Point to the next resource within the stream 465 * Point to the next resource within the AML stream using the length
469 * using the size of the header plus the length contained in the header 466 * contained in the resource descriptor header
470 */ 467 */
471 aml_buffer += acpi_ut_get_descriptor_length(aml_buffer); 468 aml_buffer += acpi_ut_get_descriptor_length(aml_buffer);
472 } 469 }
@@ -506,7 +503,7 @@ acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
506 u8 name_found; 503 u8 name_found;
507 u32 table_index; 504 u32 table_index;
508 505
509 ACPI_FUNCTION_TRACE("rs_get_pci_routing_table_length"); 506 ACPI_FUNCTION_TRACE(rs_get_pci_routing_table_length);
510 507
511 number_of_elements = package_object->package.count; 508 number_of_elements = package_object->package.count;
512 509
@@ -523,6 +520,7 @@ acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
523 top_object_list = package_object->package.elements; 520 top_object_list = package_object->package.elements;
524 521
525 for (index = 0; index < number_of_elements; index++) { 522 for (index = 0; index < number_of_elements; index++) {
523
526 /* Dereference the sub-package */ 524 /* Dereference the sub-package */
527 525
528 package_element = *top_object_list; 526 package_element = *top_object_list;
@@ -581,7 +579,7 @@ acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
581 579
582 /* Round up the size since each element must be aligned */ 580 /* Round up the size since each element must be aligned */
583 581
584 temp_size_needed = ACPI_ROUND_UP_to_64_bITS(temp_size_needed); 582 temp_size_needed = ACPI_ROUND_UP_TO_64BIT(temp_size_needed);
585 583
586 /* Point to the next union acpi_operand_object */ 584 /* Point to the next union acpi_operand_object */
587 585
@@ -589,7 +587,7 @@ acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
589 } 587 }
590 588
591 /* 589 /*
592 * Adding an extra element to the end of the list, essentially a 590 * Add an extra element to the end of the list, essentially a
593 * NULL terminator 591 * NULL terminator
594 */ 592 */
595 *buffer_size_needed = 593 *buffer_size_needed =
diff --git a/drivers/acpi/resources/rscreate.c b/drivers/acpi/resources/rscreate.c
index 8c128dea3252..008058acdd39 100644
--- a/drivers/acpi/resources/rscreate.c
+++ b/drivers/acpi/resources/rscreate.c
@@ -75,10 +75,11 @@ acpi_rs_create_resource_list(union acpi_operand_object *aml_buffer,
75 u8 *aml_start; 75 u8 *aml_start;
76 acpi_size list_size_needed = 0; 76 acpi_size list_size_needed = 0;
77 u32 aml_buffer_length; 77 u32 aml_buffer_length;
78 void *resource;
78 79
79 ACPI_FUNCTION_TRACE("rs_create_resource_list"); 80 ACPI_FUNCTION_TRACE(rs_create_resource_list);
80 81
81 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "aml_buffer = %p\n", aml_buffer)); 82 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "AmlBuffer = %p\n", aml_buffer));
82 83
83 /* Params already validated, so we don't re-validate here */ 84 /* Params already validated, so we don't re-validate here */
84 85
@@ -92,7 +93,7 @@ acpi_rs_create_resource_list(union acpi_operand_object *aml_buffer,
92 status = acpi_rs_get_list_length(aml_start, aml_buffer_length, 93 status = acpi_rs_get_list_length(aml_start, aml_buffer_length,
93 &list_size_needed); 94 &list_size_needed);
94 95
95 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Status=%X list_size_needed=%X\n", 96 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Status=%X ListSizeNeeded=%X\n",
96 status, (u32) list_size_needed)); 97 status, (u32) list_size_needed));
97 if (ACPI_FAILURE(status)) { 98 if (ACPI_FAILURE(status)) {
98 return_ACPI_STATUS(status); 99 return_ACPI_STATUS(status);
@@ -107,13 +108,15 @@ acpi_rs_create_resource_list(union acpi_operand_object *aml_buffer,
107 108
108 /* Do the conversion */ 109 /* Do the conversion */
109 110
110 status = acpi_rs_convert_aml_to_resources(aml_start, aml_buffer_length, 111 resource = output_buffer->pointer;
111 output_buffer->pointer); 112 status = acpi_ut_walk_aml_resources(aml_start, aml_buffer_length,
113 acpi_rs_convert_aml_to_resources,
114 &resource);
112 if (ACPI_FAILURE(status)) { 115 if (ACPI_FAILURE(status)) {
113 return_ACPI_STATUS(status); 116 return_ACPI_STATUS(status);
114 } 117 }
115 118
116 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "output_buffer %p Length %X\n", 119 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "OutputBuffer %p Length %X\n",
117 output_buffer->pointer, (u32) output_buffer->length)); 120 output_buffer->pointer, (u32) output_buffer->length));
118 return_ACPI_STATUS(AE_OK); 121 return_ACPI_STATUS(AE_OK);
119} 122}
@@ -155,7 +158,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
155 acpi_status status; 158 acpi_status status;
156 struct acpi_buffer path_buffer; 159 struct acpi_buffer path_buffer;
157 160
158 ACPI_FUNCTION_TRACE("rs_create_pci_routing_table"); 161 ACPI_FUNCTION_TRACE(rs_create_pci_routing_table);
159 162
160 /* Params already validated, so we don't re-validate here */ 163 /* Params already validated, so we don't re-validate here */
161 164
@@ -167,7 +170,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
167 return_ACPI_STATUS(status); 170 return_ACPI_STATUS(status);
168 } 171 }
169 172
170 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "buffer_size_needed = %X\n", 173 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "BufferSizeNeeded = %X\n",
171 (u32) buffer_size_needed)); 174 (u32) buffer_size_needed));
172 175
173 /* Validate/Allocate/Clear caller buffer */ 176 /* Validate/Allocate/Clear caller buffer */
@@ -332,7 +335,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
332 /* Now align the current length */ 335 /* Now align the current length */
333 336
334 user_prt->length = 337 user_prt->length =
335 (u32) ACPI_ROUND_UP_to_64_bITS(user_prt->length); 338 (u32) ACPI_ROUND_UP_TO_64BIT(user_prt->length);
336 339
337 /* 4) Fourth subobject: Dereference the PRT.source_index */ 340 /* 4) Fourth subobject: Dereference the PRT.source_index */
338 341
@@ -341,7 +344,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
341 user_prt->source_index = (u32) obj_desc->integer.value; 344 user_prt->source_index = (u32) obj_desc->integer.value;
342 } else { 345 } else {
343 ACPI_ERROR((AE_INFO, 346 ACPI_ERROR((AE_INFO,
344 "(PRT[%X].source_index) Need Integer, found %s", 347 "(PRT[%X].SourceIndex) Need Integer, found %s",
345 index, 348 index,
346 acpi_ut_get_object_type_name(obj_desc))); 349 acpi_ut_get_object_type_name(obj_desc)));
347 return_ACPI_STATUS(AE_BAD_DATA); 350 return_ACPI_STATUS(AE_BAD_DATA);
@@ -352,7 +355,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
352 top_object_list++; 355 top_object_list++;
353 } 356 }
354 357
355 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "output_buffer %p Length %X\n", 358 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "OutputBuffer %p Length %X\n",
356 output_buffer->pointer, (u32) output_buffer->length)); 359 output_buffer->pointer, (u32) output_buffer->length));
357 return_ACPI_STATUS(AE_OK); 360 return_ACPI_STATUS(AE_OK);
358} 361}
@@ -382,9 +385,9 @@ acpi_rs_create_aml_resources(struct acpi_resource *linked_list_buffer,
382 acpi_status status; 385 acpi_status status;
383 acpi_size aml_size_needed = 0; 386 acpi_size aml_size_needed = 0;
384 387
385 ACPI_FUNCTION_TRACE("rs_create_aml_resources"); 388 ACPI_FUNCTION_TRACE(rs_create_aml_resources);
386 389
387 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "linked_list_buffer = %p\n", 390 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "LinkedListBuffer = %p\n",
388 linked_list_buffer)); 391 linked_list_buffer));
389 392
390 /* 393 /*
@@ -395,7 +398,7 @@ acpi_rs_create_aml_resources(struct acpi_resource *linked_list_buffer,
395 */ 398 */
396 status = acpi_rs_get_aml_length(linked_list_buffer, &aml_size_needed); 399 status = acpi_rs_get_aml_length(linked_list_buffer, &aml_size_needed);
397 400
398 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "aml_size_needed=%X, %s\n", 401 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "AmlSizeNeeded=%X, %s\n",
399 (u32) aml_size_needed, 402 (u32) aml_size_needed,
400 acpi_format_exception(status))); 403 acpi_format_exception(status)));
401 if (ACPI_FAILURE(status)) { 404 if (ACPI_FAILURE(status)) {
@@ -419,7 +422,7 @@ acpi_rs_create_aml_resources(struct acpi_resource *linked_list_buffer,
419 return_ACPI_STATUS(status); 422 return_ACPI_STATUS(status);
420 } 423 }
421 424
422 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "output_buffer %p Length %X\n", 425 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "OutputBuffer %p Length %X\n",
423 output_buffer->pointer, (u32) output_buffer->length)); 426 output_buffer->pointer, (u32) output_buffer->length));
424 return_ACPI_STATUS(AE_OK); 427 return_ACPI_STATUS(AE_OK);
425} 428}
diff --git a/drivers/acpi/resources/rsdump.c b/drivers/acpi/resources/rsdump.c
index e7de061cf883..9c99a723a860 100644
--- a/drivers/acpi/resources/rsdump.c
+++ b/drivers/acpi/resources/rsdump.c
@@ -91,11 +91,11 @@ acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table);
91struct acpi_rsdump_info acpi_rs_dump_irq[6] = { 91struct acpi_rsdump_info acpi_rs_dump_irq[6] = {
92 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_irq), "IRQ", NULL}, 92 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_irq), "IRQ", NULL},
93 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(irq.triggering), "Triggering", 93 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(irq.triggering), "Triggering",
94 acpi_gbl_HEdecode}, 94 acpi_gbl_he_decode},
95 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(irq.polarity), "Polarity", 95 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(irq.polarity), "Polarity",
96 acpi_gbl_LLdecode}, 96 acpi_gbl_ll_decode},
97 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(irq.sharable), "Sharing", 97 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(irq.sharable), "Sharing",
98 acpi_gbl_SHRdecode}, 98 acpi_gbl_shr_decode},
99 {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(irq.interrupt_count), 99 {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(irq.interrupt_count),
100 "Interrupt Count", NULL}, 100 "Interrupt Count", NULL},
101 {ACPI_RSD_SHORTLIST, ACPI_RSD_OFFSET(irq.interrupts[0]), 101 {ACPI_RSD_SHORTLIST, ACPI_RSD_OFFSET(irq.interrupts[0]),
@@ -105,11 +105,11 @@ struct acpi_rsdump_info acpi_rs_dump_irq[6] = {
105struct acpi_rsdump_info acpi_rs_dump_dma[6] = { 105struct acpi_rsdump_info acpi_rs_dump_dma[6] = {
106 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_dma), "DMA", NULL}, 106 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_dma), "DMA", NULL},
107 {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(dma.type), "Speed", 107 {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(dma.type), "Speed",
108 acpi_gbl_TYPdecode}, 108 acpi_gbl_typ_decode},
109 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(dma.bus_master), "Mastering", 109 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(dma.bus_master), "Mastering",
110 acpi_gbl_BMdecode}, 110 acpi_gbl_bm_decode},
111 {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(dma.transfer), "Transfer Type", 111 {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(dma.transfer), "Transfer Type",
112 acpi_gbl_SIZdecode}, 112 acpi_gbl_siz_decode},
113 {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(dma.channel_count), "Channel Count", 113 {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(dma.channel_count), "Channel Count",
114 NULL}, 114 NULL},
115 {ACPI_RSD_SHORTLIST, ACPI_RSD_OFFSET(dma.channels[0]), "Channel List", 115 {ACPI_RSD_SHORTLIST, ACPI_RSD_OFFSET(dma.channels[0]), "Channel List",
@@ -158,7 +158,7 @@ struct acpi_rsdump_info acpi_rs_dump_vendor[3] = {
158}; 158};
159 159
160struct acpi_rsdump_info acpi_rs_dump_end_tag[1] = { 160struct acpi_rsdump_info acpi_rs_dump_end_tag[1] = {
161 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_end_tag), "end_tag", 161 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_end_tag), "EndTag",
162 NULL} 162 NULL}
163}; 163};
164 164
@@ -166,7 +166,7 @@ struct acpi_rsdump_info acpi_rs_dump_memory24[6] = {
166 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_memory24), 166 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_memory24),
167 "24-Bit Memory Range", NULL}, 167 "24-Bit Memory Range", NULL},
168 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(memory24.write_protect), 168 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(memory24.write_protect),
169 "Write Protect", acpi_gbl_RWdecode}, 169 "Write Protect", acpi_gbl_rw_decode},
170 {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(memory24.minimum), "Address Minimum", 170 {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(memory24.minimum), "Address Minimum",
171 NULL}, 171 NULL},
172 {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(memory24.maximum), "Address Maximum", 172 {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(memory24.maximum), "Address Maximum",
@@ -181,7 +181,7 @@ struct acpi_rsdump_info acpi_rs_dump_memory32[6] = {
181 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_memory32), 181 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_memory32),
182 "32-Bit Memory Range", NULL}, 182 "32-Bit Memory Range", NULL},
183 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(memory32.write_protect), 183 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(memory32.write_protect),
184 "Write Protect", acpi_gbl_RWdecode}, 184 "Write Protect", acpi_gbl_rw_decode},
185 {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(memory32.minimum), "Address Minimum", 185 {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(memory32.minimum), "Address Minimum",
186 NULL}, 186 NULL},
187 {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(memory32.maximum), "Address Maximum", 187 {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(memory32.maximum), "Address Maximum",
@@ -196,7 +196,7 @@ struct acpi_rsdump_info acpi_rs_dump_fixed_memory32[4] = {
196 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_fixed_memory32), 196 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_fixed_memory32),
197 "32-Bit Fixed Memory Range", NULL}, 197 "32-Bit Fixed Memory Range", NULL},
198 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(fixed_memory32.write_protect), 198 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(fixed_memory32.write_protect),
199 "Write Protect", acpi_gbl_RWdecode}, 199 "Write Protect", acpi_gbl_rw_decode},
200 {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(fixed_memory32.address), "Address", 200 {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(fixed_memory32.address), "Address",
201 NULL}, 201 NULL},
202 {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(fixed_memory32.address_length), 202 {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(fixed_memory32.address_length),
@@ -278,11 +278,11 @@ struct acpi_rsdump_info acpi_rs_dump_ext_irq[8] = {
278 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.producer_consumer), 278 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.producer_consumer),
279 "Type", acpi_gbl_consume_decode}, 279 "Type", acpi_gbl_consume_decode},
280 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.triggering), 280 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.triggering),
281 "Triggering", acpi_gbl_HEdecode}, 281 "Triggering", acpi_gbl_he_decode},
282 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.polarity), "Polarity", 282 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.polarity), "Polarity",
283 acpi_gbl_LLdecode}, 283 acpi_gbl_ll_decode},
284 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.sharable), "Sharing", 284 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.sharable), "Sharing",
285 acpi_gbl_SHRdecode}, 285 acpi_gbl_shr_decode},
286 {ACPI_RSD_SOURCE, ACPI_RSD_OFFSET(extended_irq.resource_source), NULL, 286 {ACPI_RSD_SOURCE, ACPI_RSD_OFFSET(extended_irq.resource_source), NULL,
287 NULL}, 287 NULL},
288 {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(extended_irq.interrupt_count), 288 {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(extended_irq.interrupt_count),
@@ -314,7 +314,7 @@ static struct acpi_rsdump_info acpi_rs_dump_general_flags[5] = {
314 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.producer_consumer), 314 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.producer_consumer),
315 "Consumer/Producer", acpi_gbl_consume_decode}, 315 "Consumer/Producer", acpi_gbl_consume_decode},
316 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.decode), "Address Decode", 316 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.decode), "Address Decode",
317 acpi_gbl_DECdecode}, 317 acpi_gbl_dec_decode},
318 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.min_address_fixed), 318 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.min_address_fixed),
319 "Min Relocatability", acpi_gbl_min_decode}, 319 "Min Relocatability", acpi_gbl_min_decode},
320 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.max_address_fixed), 320 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.max_address_fixed),
@@ -325,24 +325,24 @@ static struct acpi_rsdump_info acpi_rs_dump_memory_flags[5] = {
325 {ACPI_RSD_LITERAL, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_memory_flags), 325 {ACPI_RSD_LITERAL, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_memory_flags),
326 "Resource Type", (void *)"Memory Range"}, 326 "Resource Type", (void *)"Memory Range"},
327 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.mem.write_protect), 327 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.mem.write_protect),
328 "Write Protect", acpi_gbl_RWdecode}, 328 "Write Protect", acpi_gbl_rw_decode},
329 {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(address.info.mem.caching), 329 {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(address.info.mem.caching),
330 "Caching", acpi_gbl_MEMdecode}, 330 "Caching", acpi_gbl_mem_decode},
331 {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(address.info.mem.range_type), 331 {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(address.info.mem.range_type),
332 "Range Type", acpi_gbl_MTPdecode}, 332 "Range Type", acpi_gbl_mtp_decode},
333 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.mem.translation), 333 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.mem.translation),
334 "Translation", acpi_gbl_TTPdecode} 334 "Translation", acpi_gbl_ttp_decode}
335}; 335};
336 336
337static struct acpi_rsdump_info acpi_rs_dump_io_flags[4] = { 337static struct acpi_rsdump_info acpi_rs_dump_io_flags[4] = {
338 {ACPI_RSD_LITERAL, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_io_flags), 338 {ACPI_RSD_LITERAL, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_io_flags),
339 "Resource Type", (void *)"I/O Range"}, 339 "Resource Type", (void *)"I/O Range"},
340 {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(address.info.io.range_type), 340 {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(address.info.io.range_type),
341 "Range Type", acpi_gbl_RNGdecode}, 341 "Range Type", acpi_gbl_rng_decode},
342 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.io.translation), 342 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.io.translation),
343 "Translation", acpi_gbl_TTPdecode}, 343 "Translation", acpi_gbl_ttp_decode},
344 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.io.translation_type), 344 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.io.translation_type),
345 "Translation Type", acpi_gbl_TRSdecode} 345 "Translation Type", acpi_gbl_trs_decode}
346}; 346};
347 347
348/* 348/*
diff --git a/drivers/acpi/resources/rsinfo.c b/drivers/acpi/resources/rsinfo.c
index d9ae64b77bd9..9e7ae2f8a1d3 100644
--- a/drivers/acpi/resources/rsinfo.c
+++ b/drivers/acpi/resources/rsinfo.c
@@ -141,6 +141,7 @@ struct acpi_rsdump_info *acpi_gbl_dump_resource_dispatch[] = {
141 acpi_rs_dump_generic_reg, /* ACPI_RESOURCE_TYPE_GENERIC_REGISTER */ 141 acpi_rs_dump_generic_reg, /* ACPI_RESOURCE_TYPE_GENERIC_REGISTER */
142}; 142};
143#endif 143#endif
144
144#endif /* ACPI_FUTURE_USAGE */ 145#endif /* ACPI_FUTURE_USAGE */
145/* 146/*
146 * Base sizes for external AML resource descriptors, indexed by internal type. 147 * Base sizes for external AML resource descriptors, indexed by internal type.
diff --git a/drivers/acpi/resources/rslist.c b/drivers/acpi/resources/rslist.c
index 1434e786477e..29423ce030ca 100644
--- a/drivers/acpi/resources/rslist.c
+++ b/drivers/acpi/resources/rslist.c
@@ -51,76 +51,62 @@ ACPI_MODULE_NAME("rslist")
51 * 51 *
52 * FUNCTION: acpi_rs_convert_aml_to_resources 52 * FUNCTION: acpi_rs_convert_aml_to_resources
53 * 53 *
54 * PARAMETERS: Aml - Pointer to the resource byte stream 54 * PARAMETERS: acpi_walk_aml_callback
55 * aml_length - Length of Aml 55 * resource_ptr - Pointer to the buffer that will
56 * output_buffer - Pointer to the buffer that will 56 * contain the output structures
57 * contain the output structures
58 * 57 *
59 * RETURN: Status 58 * RETURN: Status
60 * 59 *
61 * DESCRIPTION: Takes the resource byte stream and parses it, creating a 60 * DESCRIPTION: Convert an AML resource to an internal representation of the
62 * linked list of resources in the caller's output buffer 61 * resource that is aligned and easier to access.
63 * 62 *
64 ******************************************************************************/ 63 ******************************************************************************/
65acpi_status 64acpi_status
66acpi_rs_convert_aml_to_resources(u8 * aml, u32 aml_length, u8 * output_buffer) 65acpi_rs_convert_aml_to_resources(u8 * aml,
66 u32 length,
67 u32 offset, u8 resource_index, void **context)
67{ 68{
68 struct acpi_resource *resource = (void *)output_buffer; 69 struct acpi_resource **resource_ptr =
70 ACPI_CAST_INDIRECT_PTR(struct acpi_resource, context);
71 struct acpi_resource *resource;
69 acpi_status status; 72 acpi_status status;
70 u8 resource_index;
71 u8 *end_aml;
72
73 ACPI_FUNCTION_TRACE("rs_convert_aml_to_resources");
74
75 end_aml = aml + aml_length;
76
77 /* Loop until end-of-buffer or an end_tag is found */
78
79 while (aml < end_aml) {
80 /* Validate the Resource Type and Resource Length */
81
82 status = acpi_ut_validate_resource(aml, &resource_index);
83 if (ACPI_FAILURE(status)) {
84 return_ACPI_STATUS(status);
85 }
86 73
87 /* Convert the AML byte stream resource to a local resource struct */ 74 ACPI_FUNCTION_TRACE(rs_convert_aml_to_resources);
88
89 status =
90 acpi_rs_convert_aml_to_resource(resource,
91 ACPI_CAST_PTR(union
92 aml_resource,
93 aml),
94 acpi_gbl_get_resource_dispatch
95 [resource_index]);
96 if (ACPI_FAILURE(status)) {
97 ACPI_EXCEPTION((AE_INFO, status,
98 "Could not convert AML resource (Type %X)",
99 *aml));
100 return_ACPI_STATUS(status);
101 }
102 75
103 /* Normal exit on completion of an end_tag resource descriptor */ 76 /*
104 77 * Check that the input buffer and all subsequent pointers into it
105 if (acpi_ut_get_resource_type(aml) == 78 * are aligned on a native word boundary. Most important on IA64
106 ACPI_RESOURCE_NAME_END_TAG) { 79 */
107 return_ACPI_STATUS(AE_OK); 80 resource = *resource_ptr;
108 } 81 if (ACPI_IS_MISALIGNED(resource)) {
109 82 ACPI_WARNING((AE_INFO,
110 /* Point to the next input AML resource */ 83 "Misaligned resource pointer %p", resource));
111 84 }
112 aml += acpi_ut_get_descriptor_length(aml);
113
114 /* Point to the next structure in the output buffer */
115 85
116 resource = 86 /* Convert the AML byte stream resource to a local resource struct */
117 ACPI_ADD_PTR(struct acpi_resource, resource, 87
118 resource->length); 88 status =
89 acpi_rs_convert_aml_to_resource(resource,
90 ACPI_CAST_PTR(union aml_resource,
91 aml),
92 acpi_gbl_get_resource_dispatch
93 [resource_index]);
94 if (ACPI_FAILURE(status)) {
95 ACPI_EXCEPTION((AE_INFO, status,
96 "Could not convert AML resource (Type %X)",
97 *aml));
98 return_ACPI_STATUS(status);
119 } 99 }
120 100
121 /* Did not find an end_tag resource descriptor */ 101 ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES,
102 "Type %.2X, AmlLength %.2X InternalLength %.2X\n",
103 acpi_ut_get_resource_type(aml), length,
104 resource->length));
122 105
123 return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG); 106 /* Point to the next structure in the output buffer */
107
108 *resource_ptr = ACPI_ADD_PTR(void, resource, resource->length);
109 return_ACPI_STATUS(AE_OK);
124} 110}
125 111
126/******************************************************************************* 112/*******************************************************************************
@@ -150,11 +136,12 @@ acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
150 u8 *end_aml = output_buffer + aml_size_needed; 136 u8 *end_aml = output_buffer + aml_size_needed;
151 acpi_status status; 137 acpi_status status;
152 138
153 ACPI_FUNCTION_TRACE("rs_convert_resources_to_aml"); 139 ACPI_FUNCTION_TRACE(rs_convert_resources_to_aml);
154 140
155 /* Walk the resource descriptor list, convert each descriptor */ 141 /* Walk the resource descriptor list, convert each descriptor */
156 142
157 while (aml < end_aml) { 143 while (aml < end_aml) {
144
158 /* Validate the (internal) Resource Type */ 145 /* Validate the (internal) Resource Type */
159 146
160 if (resource->type > ACPI_RESOURCE_TYPE_MAX) { 147 if (resource->type > ACPI_RESOURCE_TYPE_MAX) {
@@ -191,6 +178,7 @@ acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
191 /* Check for end-of-list, normal exit */ 178 /* Check for end-of-list, normal exit */
192 179
193 if (resource->type == ACPI_RESOURCE_TYPE_END_TAG) { 180 if (resource->type == ACPI_RESOURCE_TYPE_END_TAG) {
181
194 /* An End Tag indicates the end of the input Resource Template */ 182 /* An End Tag indicates the end of the input Resource Template */
195 183
196 return_ACPI_STATUS(AE_OK); 184 return_ACPI_STATUS(AE_OK);
diff --git a/drivers/acpi/resources/rsmisc.c b/drivers/acpi/resources/rsmisc.c
index ed866cf1c6d2..faf6e106b785 100644
--- a/drivers/acpi/resources/rsmisc.c
+++ b/drivers/acpi/resources/rsmisc.c
@@ -81,9 +81,10 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
81 u16 item_count = 0; 81 u16 item_count = 0;
82 u16 temp16 = 0; 82 u16 temp16 = 0;
83 83
84 ACPI_FUNCTION_TRACE("rs_get_resource"); 84 ACPI_FUNCTION_TRACE(rs_convert_aml_to_resource);
85 85
86 if (((acpi_native_uint) resource) & 0x3) { 86 if (((acpi_native_uint) resource) & 0x3) {
87
87 /* Each internal resource struct is expected to be 32-bit aligned */ 88 /* Each internal resource struct is expected to be 32-bit aligned */
88 89
89 ACPI_WARNING((AE_INFO, 90 ACPI_WARNING((AE_INFO,
@@ -295,9 +296,11 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
295 296
296 exit: 297 exit:
297 if (!flags_mode) { 298 if (!flags_mode) {
298 /* Round the resource struct length up to the next 32-bit boundary */
299 299
300 resource->length = ACPI_ROUND_UP_to_32_bITS(resource->length); 300 /* Round the resource struct length up to the next boundary (32 or 64) */
301
302 resource->length =
303 (u32) ACPI_ROUND_UP_TO_NATIVE_WORD(resource->length);
301 } 304 }
302 return_ACPI_STATUS(AE_OK); 305 return_ACPI_STATUS(AE_OK);
303} 306}
@@ -329,7 +332,7 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
329 u16 temp16 = 0; 332 u16 temp16 = 0;
330 u16 item_count = 0; 333 u16 item_count = 0;
331 334
332 ACPI_FUNCTION_TRACE("rs_convert_resource_to_aml"); 335 ACPI_FUNCTION_TRACE(rs_convert_resource_to_aml);
333 336
334 /* 337 /*
335 * First table entry must be ACPI_RSC_INITxxx and must contain the 338 * First table entry must be ACPI_RSC_INITxxx and must contain the
@@ -535,6 +538,7 @@ if (((aml->irq.flags & 0x09) == 0x00) || ((aml->irq.flags & 0x09) == 0x09)) {
535 538
536resource->data.extended_irq.interrupt_count = temp8; 539resource->data.extended_irq.interrupt_count = temp8;
537if (temp8 < 1) { 540if (temp8 < 1) {
541
538 /* Must have at least one IRQ */ 542 /* Must have at least one IRQ */
539 543
540 return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH); 544 return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH);
diff --git a/drivers/acpi/resources/rsutils.c b/drivers/acpi/resources/rsutils.c
index 25b5aedd6612..a9cbee8e8b44 100644
--- a/drivers/acpi/resources/rsutils.c
+++ b/drivers/acpi/resources/rsutils.c
@@ -205,6 +205,7 @@ acpi_rs_set_resource_length(acpi_rsdesc_size total_length,
205 /* Length is stored differently for large and small descriptors */ 205 /* Length is stored differently for large and small descriptors */
206 206
207 if (aml->small_header.descriptor_type & ACPI_RESOURCE_NAME_LARGE) { 207 if (aml->small_header.descriptor_type & ACPI_RESOURCE_NAME_LARGE) {
208
208 /* Large descriptor -- bytes 1-2 contain the 16-bit length */ 209 /* Large descriptor -- bytes 1-2 contain the 16-bit length */
209 210
210 ACPI_MOVE_16_TO_16(&aml->large_header.resource_length, 211 ACPI_MOVE_16_TO_16(&aml->large_header.resource_length,
@@ -298,7 +299,8 @@ static u16 acpi_rs_strcpy(char *destination, char *source)
298 * string_ptr - (optional) where to store the actual 299 * string_ptr - (optional) where to store the actual
299 * resource_source string 300 * resource_source string
300 * 301 *
301 * RETURN: Length of the string plus NULL terminator, rounded up to 32 bit 302 * RETURN: Length of the string plus NULL terminator, rounded up to native
303 * word boundary
302 * 304 *
303 * DESCRIPTION: Copy the optional resource_source data from a raw AML descriptor 305 * DESCRIPTION: Copy the optional resource_source data from a raw AML descriptor
304 * to an internal resource descriptor 306 * to an internal resource descriptor
@@ -328,6 +330,7 @@ acpi_rs_get_resource_source(acpi_rs_length resource_length,
328 * we add 1 to the minimum length. 330 * we add 1 to the minimum length.
329 */ 331 */
330 if (total_length > (acpi_rsdesc_size) (minimum_length + 1)) { 332 if (total_length > (acpi_rsdesc_size) (minimum_length + 1)) {
333
331 /* Get the resource_source_index */ 334 /* Get the resource_source_index */
332 335
333 resource_source->index = aml_resource_source[0]; 336 resource_source->index = aml_resource_source[0];
@@ -344,23 +347,26 @@ acpi_rs_get_resource_source(acpi_rs_length resource_length,
344 } 347 }
345 348
346 /* 349 /*
347 * In order for the struct_size to fall on a 32-bit boundary, calculate 350 * In order for the Resource length to be a multiple of the native
348 * the length of the string (+1 for the NULL terminator) and expand the 351 * word, calculate the length of the string (+1 for NULL terminator)
349 * struct_size to the next 32-bit boundary. 352 * and expand to the next word multiple.
350 * 353 *
351 * Zero the entire area of the buffer. 354 * Zero the entire area of the buffer.
352 */ 355 */
353 total_length = 356 total_length =
354 ACPI_ROUND_UP_to_32_bITS(ACPI_STRLEN 357 (u32)
355 ((char *)&aml_resource_source[1]) + 358 ACPI_STRLEN(ACPI_CAST_PTR(char, &aml_resource_source[1])) +
356 1); 359 1;
360 total_length = (u32) ACPI_ROUND_UP_TO_NATIVE_WORD(total_length);
361
357 ACPI_MEMSET(resource_source->string_ptr, 0, total_length); 362 ACPI_MEMSET(resource_source->string_ptr, 0, total_length);
358 363
359 /* Copy the resource_source string to the destination */ 364 /* Copy the resource_source string to the destination */
360 365
361 resource_source->string_length = 366 resource_source->string_length =
362 acpi_rs_strcpy(resource_source->string_ptr, 367 acpi_rs_strcpy(resource_source->string_ptr,
363 (char *)&aml_resource_source[1]); 368 ACPI_CAST_PTR(char,
369 &aml_resource_source[1]));
364 370
365 return ((acpi_rs_length) total_length); 371 return ((acpi_rs_length) total_length);
366 } 372 }
@@ -405,6 +411,7 @@ acpi_rs_set_resource_source(union aml_resource * aml,
405 /* Non-zero string length indicates presence of a resource_source */ 411 /* Non-zero string length indicates presence of a resource_source */
406 412
407 if (resource_source->string_length) { 413 if (resource_source->string_length) {
414
408 /* Point to the end of the AML descriptor */ 415 /* Point to the end of the AML descriptor */
409 416
410 aml_resource_source = ACPI_ADD_PTR(u8, aml, minimum_length); 417 aml_resource_source = ACPI_ADD_PTR(u8, aml, minimum_length);
@@ -415,7 +422,7 @@ acpi_rs_set_resource_source(union aml_resource * aml,
415 422
416 /* Copy the resource_source string */ 423 /* Copy the resource_source string */
417 424
418 ACPI_STRCPY((char *)&aml_resource_source[1], 425 ACPI_STRCPY(ACPI_CAST_PTR(char, &aml_resource_source[1]),
419 resource_source->string_ptr); 426 resource_source->string_ptr);
420 427
421 /* 428 /*
@@ -435,9 +442,9 @@ acpi_rs_set_resource_source(union aml_resource * aml,
435 * 442 *
436 * FUNCTION: acpi_rs_get_prt_method_data 443 * FUNCTION: acpi_rs_get_prt_method_data
437 * 444 *
438 * PARAMETERS: Handle - a handle to the containing object 445 * PARAMETERS: Node - Device node
439 * ret_buffer - a pointer to a buffer structure for the 446 * ret_buffer - Pointer to a buffer structure for the
440 * results 447 * results
441 * 448 *
442 * RETURN: Status 449 * RETURN: Status
443 * 450 *
@@ -450,18 +457,19 @@ acpi_rs_set_resource_source(union aml_resource * aml,
450 ******************************************************************************/ 457 ******************************************************************************/
451 458
452acpi_status 459acpi_status
453acpi_rs_get_prt_method_data(acpi_handle handle, struct acpi_buffer * ret_buffer) 460acpi_rs_get_prt_method_data(struct acpi_namespace_node * node,
461 struct acpi_buffer * ret_buffer)
454{ 462{
455 union acpi_operand_object *obj_desc; 463 union acpi_operand_object *obj_desc;
456 acpi_status status; 464 acpi_status status;
457 465
458 ACPI_FUNCTION_TRACE("rs_get_prt_method_data"); 466 ACPI_FUNCTION_TRACE(rs_get_prt_method_data);
459 467
460 /* Parameters guaranteed valid by caller */ 468 /* Parameters guaranteed valid by caller */
461 469
462 /* Execute the method, no parameters */ 470 /* Execute the method, no parameters */
463 471
464 status = acpi_ut_evaluate_object(handle, METHOD_NAME__PRT, 472 status = acpi_ut_evaluate_object(node, METHOD_NAME__PRT,
465 ACPI_BTYPE_PACKAGE, &obj_desc); 473 ACPI_BTYPE_PACKAGE, &obj_desc);
466 if (ACPI_FAILURE(status)) { 474 if (ACPI_FAILURE(status)) {
467 return_ACPI_STATUS(status); 475 return_ACPI_STATUS(status);
@@ -483,9 +491,9 @@ acpi_rs_get_prt_method_data(acpi_handle handle, struct acpi_buffer * ret_buffer)
483 * 491 *
484 * FUNCTION: acpi_rs_get_crs_method_data 492 * FUNCTION: acpi_rs_get_crs_method_data
485 * 493 *
486 * PARAMETERS: Handle - a handle to the containing object 494 * PARAMETERS: Node - Device node
487 * ret_buffer - a pointer to a buffer structure for the 495 * ret_buffer - Pointer to a buffer structure for the
488 * results 496 * results
489 * 497 *
490 * RETURN: Status 498 * RETURN: Status
491 * 499 *
@@ -498,18 +506,19 @@ acpi_rs_get_prt_method_data(acpi_handle handle, struct acpi_buffer * ret_buffer)
498 ******************************************************************************/ 506 ******************************************************************************/
499 507
500acpi_status 508acpi_status
501acpi_rs_get_crs_method_data(acpi_handle handle, struct acpi_buffer *ret_buffer) 509acpi_rs_get_crs_method_data(struct acpi_namespace_node *node,
510 struct acpi_buffer *ret_buffer)
502{ 511{
503 union acpi_operand_object *obj_desc; 512 union acpi_operand_object *obj_desc;
504 acpi_status status; 513 acpi_status status;
505 514
506 ACPI_FUNCTION_TRACE("rs_get_crs_method_data"); 515 ACPI_FUNCTION_TRACE(rs_get_crs_method_data);
507 516
508 /* Parameters guaranteed valid by caller */ 517 /* Parameters guaranteed valid by caller */
509 518
510 /* Execute the method, no parameters */ 519 /* Execute the method, no parameters */
511 520
512 status = acpi_ut_evaluate_object(handle, METHOD_NAME__CRS, 521 status = acpi_ut_evaluate_object(node, METHOD_NAME__CRS,
513 ACPI_BTYPE_BUFFER, &obj_desc); 522 ACPI_BTYPE_BUFFER, &obj_desc);
514 if (ACPI_FAILURE(status)) { 523 if (ACPI_FAILURE(status)) {
515 return_ACPI_STATUS(status); 524 return_ACPI_STATUS(status);
@@ -522,7 +531,7 @@ acpi_rs_get_crs_method_data(acpi_handle handle, struct acpi_buffer *ret_buffer)
522 */ 531 */
523 status = acpi_rs_create_resource_list(obj_desc, ret_buffer); 532 status = acpi_rs_create_resource_list(obj_desc, ret_buffer);
524 533
525 /* on exit, we must delete the object returned by evaluate_object */ 534 /* On exit, we must delete the object returned by evaluate_object */
526 535
527 acpi_ut_remove_reference(obj_desc); 536 acpi_ut_remove_reference(obj_desc);
528 return_ACPI_STATUS(status); 537 return_ACPI_STATUS(status);
@@ -532,9 +541,9 @@ acpi_rs_get_crs_method_data(acpi_handle handle, struct acpi_buffer *ret_buffer)
532 * 541 *
533 * FUNCTION: acpi_rs_get_prs_method_data 542 * FUNCTION: acpi_rs_get_prs_method_data
534 * 543 *
535 * PARAMETERS: Handle - a handle to the containing object 544 * PARAMETERS: Node - Device node
536 * ret_buffer - a pointer to a buffer structure for the 545 * ret_buffer - Pointer to a buffer structure for the
537 * results 546 * results
538 * 547 *
539 * RETURN: Status 548 * RETURN: Status
540 * 549 *
@@ -548,18 +557,19 @@ acpi_rs_get_crs_method_data(acpi_handle handle, struct acpi_buffer *ret_buffer)
548 557
549#ifdef ACPI_FUTURE_USAGE 558#ifdef ACPI_FUTURE_USAGE
550acpi_status 559acpi_status
551acpi_rs_get_prs_method_data(acpi_handle handle, struct acpi_buffer *ret_buffer) 560acpi_rs_get_prs_method_data(struct acpi_namespace_node *node,
561 struct acpi_buffer *ret_buffer)
552{ 562{
553 union acpi_operand_object *obj_desc; 563 union acpi_operand_object *obj_desc;
554 acpi_status status; 564 acpi_status status;
555 565
556 ACPI_FUNCTION_TRACE("rs_get_prs_method_data"); 566 ACPI_FUNCTION_TRACE(rs_get_prs_method_data);
557 567
558 /* Parameters guaranteed valid by caller */ 568 /* Parameters guaranteed valid by caller */
559 569
560 /* Execute the method, no parameters */ 570 /* Execute the method, no parameters */
561 571
562 status = acpi_ut_evaluate_object(handle, METHOD_NAME__PRS, 572 status = acpi_ut_evaluate_object(node, METHOD_NAME__PRS,
563 ACPI_BTYPE_BUFFER, &obj_desc); 573 ACPI_BTYPE_BUFFER, &obj_desc);
564 if (ACPI_FAILURE(status)) { 574 if (ACPI_FAILURE(status)) {
565 return_ACPI_STATUS(status); 575 return_ACPI_STATUS(status);
@@ -572,7 +582,7 @@ acpi_rs_get_prs_method_data(acpi_handle handle, struct acpi_buffer *ret_buffer)
572 */ 582 */
573 status = acpi_rs_create_resource_list(obj_desc, ret_buffer); 583 status = acpi_rs_create_resource_list(obj_desc, ret_buffer);
574 584
575 /* on exit, we must delete the object returned by evaluate_object */ 585 /* On exit, we must delete the object returned by evaluate_object */
576 586
577 acpi_ut_remove_reference(obj_desc); 587 acpi_ut_remove_reference(obj_desc);
578 return_ACPI_STATUS(status); 588 return_ACPI_STATUS(status);
@@ -583,10 +593,10 @@ acpi_rs_get_prs_method_data(acpi_handle handle, struct acpi_buffer *ret_buffer)
583 * 593 *
584 * FUNCTION: acpi_rs_get_method_data 594 * FUNCTION: acpi_rs_get_method_data
585 * 595 *
586 * PARAMETERS: Handle - a handle to the containing object 596 * PARAMETERS: Handle - Handle to the containing object
587 * Path - Path to method, relative to Handle 597 * Path - Path to method, relative to Handle
588 * ret_buffer - a pointer to a buffer structure for the 598 * ret_buffer - Pointer to a buffer structure for the
589 * results 599 * results
590 * 600 *
591 * RETURN: Status 601 * RETURN: Status
592 * 602 *
@@ -605,7 +615,7 @@ acpi_rs_get_method_data(acpi_handle handle,
605 union acpi_operand_object *obj_desc; 615 union acpi_operand_object *obj_desc;
606 acpi_status status; 616 acpi_status status;
607 617
608 ACPI_FUNCTION_TRACE("rs_get_method_data"); 618 ACPI_FUNCTION_TRACE(rs_get_method_data);
609 619
610 /* Parameters guaranteed valid by caller */ 620 /* Parameters guaranteed valid by caller */
611 621
@@ -634,9 +644,9 @@ acpi_rs_get_method_data(acpi_handle handle,
634 * 644 *
635 * FUNCTION: acpi_rs_set_srs_method_data 645 * FUNCTION: acpi_rs_set_srs_method_data
636 * 646 *
637 * PARAMETERS: Handle - a handle to the containing object 647 * PARAMETERS: Node - Device node
638 * in_buffer - a pointer to a buffer structure of the 648 * in_buffer - Pointer to a buffer structure of the
639 * parameter 649 * parameter
640 * 650 *
641 * RETURN: Status 651 * RETURN: Status
642 * 652 *
@@ -646,23 +656,37 @@ acpi_rs_get_method_data(acpi_handle handle,
646 * If the function fails an appropriate status will be returned 656 * If the function fails an appropriate status will be returned
647 * and the contents of the callers buffer is undefined. 657 * and the contents of the callers buffer is undefined.
648 * 658 *
659 * Note: Parameters guaranteed valid by caller
660 *
649 ******************************************************************************/ 661 ******************************************************************************/
650 662
651acpi_status 663acpi_status
652acpi_rs_set_srs_method_data(acpi_handle handle, struct acpi_buffer *in_buffer) 664acpi_rs_set_srs_method_data(struct acpi_namespace_node *node,
665 struct acpi_buffer *in_buffer)
653{ 666{
654 struct acpi_parameter_info info; 667 struct acpi_evaluate_info *info;
655 union acpi_operand_object *params[2]; 668 union acpi_operand_object *args[2];
656 acpi_status status; 669 acpi_status status;
657 struct acpi_buffer buffer; 670 struct acpi_buffer buffer;
658 671
659 ACPI_FUNCTION_TRACE("rs_set_srs_method_data"); 672 ACPI_FUNCTION_TRACE(rs_set_srs_method_data);
660 673
661 /* Parameters guaranteed valid by caller */ 674 /* Allocate and initialize the evaluation information block */
675
676 info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
677 if (!info) {
678 return_ACPI_STATUS(AE_NO_MEMORY);
679 }
680
681 info->prefix_node = node;
682 info->pathname = METHOD_NAME__SRS;
683 info->parameters = args;
684 info->parameter_type = ACPI_PARAM_ARGS;
685 info->flags = ACPI_IGNORE_RETURN_VALUE;
662 686
663 /* 687 /*
664 * The in_buffer parameter will point to a linked list of 688 * The in_buffer parameter will point to a linked list of
665 * resource parameters. It needs to be formatted into a 689 * resource parameters. It needs to be formatted into a
666 * byte stream to be sent in as an input parameter to _SRS 690 * byte stream to be sent in as an input parameter to _SRS
667 * 691 *
668 * Convert the linked list into a byte stream 692 * Convert the linked list into a byte stream
@@ -670,41 +694,36 @@ acpi_rs_set_srs_method_data(acpi_handle handle, struct acpi_buffer *in_buffer)
670 buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER; 694 buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
671 status = acpi_rs_create_aml_resources(in_buffer->pointer, &buffer); 695 status = acpi_rs_create_aml_resources(in_buffer->pointer, &buffer);
672 if (ACPI_FAILURE(status)) { 696 if (ACPI_FAILURE(status)) {
673 return_ACPI_STATUS(status); 697 goto cleanup;
674 } 698 }
675 699
676 /* Init the param object */ 700 /* Create and initialize the method parameter object */
677 701
678 params[0] = acpi_ut_create_internal_object(ACPI_TYPE_BUFFER); 702 args[0] = acpi_ut_create_internal_object(ACPI_TYPE_BUFFER);
679 if (!params[0]) { 703 if (!args[0]) {
680 acpi_os_free(buffer.pointer); 704 /*
681 return_ACPI_STATUS(AE_NO_MEMORY); 705 * Must free the buffer allocated above (otherwise it is freed
706 * later)
707 */
708 ACPI_FREE(buffer.pointer);
709 status = AE_NO_MEMORY;
710 goto cleanup;
682 } 711 }
683 712
684 /* Set up the parameter object */ 713 args[0]->buffer.length = (u32) buffer.length;
685 714 args[0]->buffer.pointer = buffer.pointer;
686 params[0]->buffer.length = (u32) buffer.length; 715 args[0]->common.flags = AOPOBJ_DATA_VALID;
687 params[0]->buffer.pointer = buffer.pointer; 716 args[1] = NULL;
688 params[0]->common.flags = AOPOBJ_DATA_VALID;
689 params[1] = NULL;
690
691 info.node = handle;
692 info.parameters = params;
693 info.parameter_type = ACPI_PARAM_ARGS;
694 717
695 /* Execute the method, no return value */ 718 /* Execute the method, no return value is expected */
696 719
697 status = acpi_ns_evaluate_relative(METHOD_NAME__SRS, &info); 720 status = acpi_ns_evaluate(info);
698 if (ACPI_SUCCESS(status)) {
699 /* Delete any return object (especially if implicit_return is enabled) */
700 721
701 if (info.return_object) { 722 /* Clean up and return the status from acpi_ns_evaluate */
702 acpi_ut_remove_reference(info.return_object);
703 }
704 }
705 723
706 /* Clean up and return the status from acpi_ns_evaluate_relative */ 724 acpi_ut_remove_reference(args[0]);
707 725
708 acpi_ut_remove_reference(params[0]); 726 cleanup:
727 ACPI_FREE(info);
709 return_ACPI_STATUS(status); 728 return_ACPI_STATUS(status);
710} 729}
diff --git a/drivers/acpi/resources/rsxface.c b/drivers/acpi/resources/rsxface.c
index 88b67077aeeb..1999e2ab7daa 100644
--- a/drivers/acpi/resources/rsxface.c
+++ b/drivers/acpi/resources/rsxface.c
@@ -41,10 +41,9 @@
41 * POSSIBILITY OF SUCH DAMAGES. 41 * POSSIBILITY OF SUCH DAMAGES.
42 */ 42 */
43 43
44#include <linux/module.h>
45
46#include <acpi/acpi.h> 44#include <acpi/acpi.h>
47#include <acpi/acresrc.h> 45#include <acpi/acresrc.h>
46#include <acpi/acnamesp.h>
48 47
49#define _COMPONENT ACPI_RESOURCES 48#define _COMPONENT ACPI_RESOURCES
50ACPI_MODULE_NAME("rsxface") 49ACPI_MODULE_NAME("rsxface")
@@ -68,312 +67,262 @@ ACPI_MODULE_NAME("rsxface")
68static acpi_status 67static acpi_status
69acpi_rs_match_vendor_resource(struct acpi_resource *resource, void *context); 68acpi_rs_match_vendor_resource(struct acpi_resource *resource, void *context);
70 69
70static acpi_status
71acpi_rs_validate_parameters(acpi_handle device_handle,
72 struct acpi_buffer *buffer,
73 struct acpi_namespace_node **return_node);
74
71/******************************************************************************* 75/*******************************************************************************
72 * 76 *
73 * FUNCTION: acpi_get_irq_routing_table 77 * FUNCTION: acpi_rs_validate_parameters
74 * 78 *
75 * PARAMETERS: device_handle - a handle to the Bus device we are querying 79 * PARAMETERS: device_handle - Handle to a device
76 * ret_buffer - a pointer to a buffer to receive the 80 * Buffer - Pointer to a data buffer
77 * current resources for the device 81 * return_node - Pointer to where the device node is returned
78 * 82 *
79 * RETURN: Status 83 * RETURN: Status
80 * 84 *
81 * DESCRIPTION: This function is called to get the IRQ routing table for a 85 * DESCRIPTION: Common parameter validation for resource interfaces
82 * specific bus. The caller must first acquire a handle for the
83 * desired bus. The routine table is placed in the buffer pointed
84 * to by the ret_buffer variable parameter.
85 *
86 * If the function fails an appropriate status will be returned
87 * and the value of ret_buffer is undefined.
88 *
89 * This function attempts to execute the _PRT method contained in
90 * the object indicated by the passed device_handle.
91 * 86 *
92 ******************************************************************************/ 87 ******************************************************************************/
93 88
94acpi_status 89static acpi_status
95acpi_get_irq_routing_table(acpi_handle device_handle, 90acpi_rs_validate_parameters(acpi_handle device_handle,
96 struct acpi_buffer *ret_buffer) 91 struct acpi_buffer *buffer,
92 struct acpi_namespace_node **return_node)
97{ 93{
98 acpi_status status; 94 acpi_status status;
95 struct acpi_namespace_node *node;
99 96
100 ACPI_FUNCTION_TRACE("acpi_get_irq_routing_table "); 97 ACPI_FUNCTION_TRACE(rs_validate_parameters);
101 98
102 /* 99 /*
103 * Must have a valid handle and buffer, So we have to have a handle 100 * Must have a valid handle to an ACPI device
104 * and a return buffer structure, and if there is a non-zero buffer length
105 * we also need a valid pointer in the buffer. If it's a zero buffer length,
106 * we'll be returning the needed buffer size, so keep going.
107 */ 101 */
108 if (!device_handle) { 102 if (!device_handle) {
109 return_ACPI_STATUS(AE_BAD_PARAMETER); 103 return_ACPI_STATUS(AE_BAD_PARAMETER);
110 } 104 }
111 105
112 status = acpi_ut_validate_buffer(ret_buffer); 106 node = acpi_ns_map_handle_to_node(device_handle);
107 if (!node) {
108 return_ACPI_STATUS(AE_BAD_PARAMETER);
109 }
110
111 if (node->type != ACPI_TYPE_DEVICE) {
112 return_ACPI_STATUS(AE_TYPE);
113 }
114
115 /*
116 * Validate the user buffer object
117 *
118 * if there is a non-zero buffer length we also need a valid pointer in
119 * the buffer. If it's a zero buffer length, we'll be returning the
120 * needed buffer size (later), so keep going.
121 */
122 status = acpi_ut_validate_buffer(buffer);
113 if (ACPI_FAILURE(status)) { 123 if (ACPI_FAILURE(status)) {
114 return_ACPI_STATUS(status); 124 return_ACPI_STATUS(status);
115 } 125 }
116 126
117 status = acpi_rs_get_prt_method_data(device_handle, ret_buffer); 127 *return_node = node;
118 return_ACPI_STATUS(status); 128 return_ACPI_STATUS(AE_OK);
119} 129}
120 130
121/******************************************************************************* 131/*******************************************************************************
122 * 132 *
123 * FUNCTION: acpi_get_current_resources 133 * FUNCTION: acpi_get_irq_routing_table
124 * 134 *
125 * PARAMETERS: device_handle - a handle to the device object for the 135 * PARAMETERS: device_handle - Handle to the Bus device we are querying
126 * device we are querying 136 * ret_buffer - Pointer to a buffer to receive the
127 * ret_buffer - a pointer to a buffer to receive the
128 * current resources for the device 137 * current resources for the device
129 * 138 *
130 * RETURN: Status 139 * RETURN: Status
131 * 140 *
132 * DESCRIPTION: This function is called to get the current resources for a 141 * DESCRIPTION: This function is called to get the IRQ routing table for a
133 * specific device. The caller must first acquire a handle for 142 * specific bus. The caller must first acquire a handle for the
134 * the desired device. The resource data is placed in the buffer 143 * desired bus. The routine table is placed in the buffer pointed
135 * pointed to by the ret_buffer variable parameter. 144 * to by the ret_buffer variable parameter.
136 * 145 *
137 * If the function fails an appropriate status will be returned 146 * If the function fails an appropriate status will be returned
138 * and the value of ret_buffer is undefined. 147 * and the value of ret_buffer is undefined.
139 * 148 *
140 * This function attempts to execute the _CRS method contained in 149 * This function attempts to execute the _PRT method contained in
141 * the object indicated by the passed device_handle. 150 * the object indicated by the passed device_handle.
142 * 151 *
143 ******************************************************************************/ 152 ******************************************************************************/
144 153
145acpi_status 154acpi_status
146acpi_get_current_resources(acpi_handle device_handle, 155acpi_get_irq_routing_table(acpi_handle device_handle,
147 struct acpi_buffer *ret_buffer) 156 struct acpi_buffer *ret_buffer)
148{ 157{
149 acpi_status status; 158 acpi_status status;
159 struct acpi_namespace_node *node;
150 160
151 ACPI_FUNCTION_TRACE("acpi_get_current_resources"); 161 ACPI_FUNCTION_TRACE(acpi_get_irq_routing_table);
152 162
153 /* 163 /* Validate parameters then dispatch to internal routine */
154 * Must have a valid handle and buffer, So we have to have a handle
155 * and a return buffer structure, and if there is a non-zero buffer length
156 * we also need a valid pointer in the buffer. If it's a zero buffer length,
157 * we'll be returning the needed buffer size, so keep going.
158 */
159 if (!device_handle) {
160 return_ACPI_STATUS(AE_BAD_PARAMETER);
161 }
162 164
163 status = acpi_ut_validate_buffer(ret_buffer); 165 status = acpi_rs_validate_parameters(device_handle, ret_buffer, &node);
164 if (ACPI_FAILURE(status)) { 166 if (ACPI_FAILURE(status)) {
165 return_ACPI_STATUS(status); 167 return_ACPI_STATUS(status);
166 } 168 }
167 169
168 status = acpi_rs_get_crs_method_data(device_handle, ret_buffer); 170 status = acpi_rs_get_prt_method_data(node, ret_buffer);
169 return_ACPI_STATUS(status); 171 return_ACPI_STATUS(status);
170} 172}
171 173
172EXPORT_SYMBOL(acpi_get_current_resources); 174ACPI_EXPORT_SYMBOL(acpi_get_irq_routing_table)
173 175
174/******************************************************************************* 176/*******************************************************************************
175 * 177 *
176 * FUNCTION: acpi_get_possible_resources 178 * FUNCTION: acpi_get_current_resources
177 * 179 *
178 * PARAMETERS: device_handle - a handle to the device object for the 180 * PARAMETERS: device_handle - Handle to the device object for the
179 * device we are querying 181 * device we are querying
180 * ret_buffer - a pointer to a buffer to receive the 182 * ret_buffer - Pointer to a buffer to receive the
181 * resources for the device 183 * current resources for the device
182 * 184 *
183 * RETURN: Status 185 * RETURN: Status
184 * 186 *
185 * DESCRIPTION: This function is called to get a list of the possible resources 187 * DESCRIPTION: This function is called to get the current resources for a
186 * for a specific device. The caller must first acquire a handle 188 * specific device. The caller must first acquire a handle for
187 * for the desired device. The resource data is placed in the 189 * the desired device. The resource data is placed in the buffer
188 * buffer pointed to by the ret_buffer variable. 190 * pointed to by the ret_buffer variable parameter.
189 * 191 *
190 * If the function fails an appropriate status will be returned 192 * If the function fails an appropriate status will be returned
191 * and the value of ret_buffer is undefined. 193 * and the value of ret_buffer is undefined.
192 * 194 *
195 * This function attempts to execute the _CRS method contained in
196 * the object indicated by the passed device_handle.
197 *
193 ******************************************************************************/ 198 ******************************************************************************/
194
195#ifdef ACPI_FUTURE_USAGE
196acpi_status 199acpi_status
197acpi_get_possible_resources(acpi_handle device_handle, 200acpi_get_current_resources(acpi_handle device_handle,
198 struct acpi_buffer *ret_buffer) 201 struct acpi_buffer *ret_buffer)
199{ 202{
200 acpi_status status; 203 acpi_status status;
204 struct acpi_namespace_node *node;
201 205
202 ACPI_FUNCTION_TRACE("acpi_get_possible_resources"); 206 ACPI_FUNCTION_TRACE(acpi_get_current_resources);
203 207
204 /* 208 /* Validate parameters then dispatch to internal routine */
205 * Must have a valid handle and buffer, So we have to have a handle
206 * and a return buffer structure, and if there is a non-zero buffer length
207 * we also need a valid pointer in the buffer. If it's a zero buffer length,
208 * we'll be returning the needed buffer size, so keep going.
209 */
210 if (!device_handle) {
211 return_ACPI_STATUS(AE_BAD_PARAMETER);
212 }
213 209
214 status = acpi_ut_validate_buffer(ret_buffer); 210 status = acpi_rs_validate_parameters(device_handle, ret_buffer, &node);
215 if (ACPI_FAILURE(status)) { 211 if (ACPI_FAILURE(status)) {
216 return_ACPI_STATUS(status); 212 return_ACPI_STATUS(status);
217 } 213 }
218 214
219 status = acpi_rs_get_prs_method_data(device_handle, ret_buffer); 215 status = acpi_rs_get_crs_method_data(node, ret_buffer);
220 return_ACPI_STATUS(status); 216 return_ACPI_STATUS(status);
221} 217}
222 218
223EXPORT_SYMBOL(acpi_get_possible_resources); 219ACPI_EXPORT_SYMBOL(acpi_get_current_resources)
224#endif /* ACPI_FUTURE_USAGE */
225 220
221#ifdef ACPI_FUTURE_USAGE
226/******************************************************************************* 222/*******************************************************************************
227 * 223 *
228 * FUNCTION: acpi_walk_resources 224 * FUNCTION: acpi_get_possible_resources
229 * 225 *
230 * PARAMETERS: device_handle - Handle to the device object for the 226 * PARAMETERS: device_handle - Handle to the device object for the
231 * device we are querying 227 * device we are querying
232 * Name - Method name of the resources we want 228 * ret_buffer - Pointer to a buffer to receive the
233 * (METHOD_NAME__CRS or METHOD_NAME__PRS) 229 * resources for the device
234 * user_function - Called for each resource
235 * Context - Passed to user_function
236 * 230 *
237 * RETURN: Status 231 * RETURN: Status
238 * 232 *
239 * DESCRIPTION: Retrieves the current or possible resource list for the 233 * DESCRIPTION: This function is called to get a list of the possible resources
240 * specified device. The user_function is called once for 234 * for a specific device. The caller must first acquire a handle
241 * each resource in the list. 235 * for the desired device. The resource data is placed in the
236 * buffer pointed to by the ret_buffer variable.
237 *
238 * If the function fails an appropriate status will be returned
239 * and the value of ret_buffer is undefined.
242 * 240 *
243 ******************************************************************************/ 241 ******************************************************************************/
244
245acpi_status 242acpi_status
246acpi_walk_resources(acpi_handle device_handle, 243acpi_get_possible_resources(acpi_handle device_handle,
247 char *name, 244 struct acpi_buffer *ret_buffer)
248 ACPI_WALK_RESOURCE_CALLBACK user_function, void *context)
249{ 245{
250 acpi_status status; 246 acpi_status status;
251 struct acpi_buffer buffer; 247 struct acpi_namespace_node *node;
252 struct acpi_resource *resource;
253 struct acpi_resource *resource_end;
254
255 ACPI_FUNCTION_TRACE("acpi_walk_resources");
256
257 /* Parameter validation */
258 248
259 if (!device_handle || !user_function || !name || 249 ACPI_FUNCTION_TRACE(acpi_get_possible_resources);
260 (ACPI_STRNCMP(name, METHOD_NAME__CRS, sizeof(METHOD_NAME__CRS)) &&
261 ACPI_STRNCMP(name, METHOD_NAME__PRS, sizeof(METHOD_NAME__PRS)))) {
262 return_ACPI_STATUS(AE_BAD_PARAMETER);
263 }
264 250
265 /* Get the _CRS or _PRS resource list */ 251 /* Validate parameters then dispatch to internal routine */
266 252
267 buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER; 253 status = acpi_rs_validate_parameters(device_handle, ret_buffer, &node);
268 status = acpi_rs_get_method_data(device_handle, name, &buffer);
269 if (ACPI_FAILURE(status)) { 254 if (ACPI_FAILURE(status)) {
270 return_ACPI_STATUS(status); 255 return_ACPI_STATUS(status);
271 } 256 }
272 257
273 /* Buffer now contains the resource list */ 258 status = acpi_rs_get_prs_method_data(node, ret_buffer);
274
275 resource = ACPI_CAST_PTR(struct acpi_resource, buffer.pointer);
276 resource_end =
277 ACPI_ADD_PTR(struct acpi_resource, buffer.pointer, buffer.length);
278
279 /* Walk the resource list until the end_tag is found (or buffer end) */
280
281 while (resource < resource_end) {
282 /* Sanity check the resource */
283
284 if (resource->type > ACPI_RESOURCE_TYPE_MAX) {
285 status = AE_AML_INVALID_RESOURCE_TYPE;
286 break;
287 }
288
289 /* Invoke the user function, abort on any error returned */
290
291 status = user_function(resource, context);
292 if (ACPI_FAILURE(status)) {
293 if (status == AE_CTRL_TERMINATE) {
294 /* This is an OK termination by the user function */
295
296 status = AE_OK;
297 }
298 break;
299 }
300
301 /* end_tag indicates end-of-list */
302
303 if (resource->type == ACPI_RESOURCE_TYPE_END_TAG) {
304 break;
305 }
306
307 /* Get the next resource descriptor */
308
309 resource =
310 ACPI_ADD_PTR(struct acpi_resource, resource,
311 resource->length);
312 }
313
314 ACPI_MEM_FREE(buffer.pointer);
315 return_ACPI_STATUS(status); 259 return_ACPI_STATUS(status);
316} 260}
317 261
318EXPORT_SYMBOL(acpi_walk_resources); 262ACPI_EXPORT_SYMBOL(acpi_get_possible_resources)
263#endif /* ACPI_FUTURE_USAGE */
319 264
320/******************************************************************************* 265/*******************************************************************************
321 * 266 *
322 * FUNCTION: acpi_set_current_resources 267 * FUNCTION: acpi_set_current_resources
323 * 268 *
324 * PARAMETERS: device_handle - a handle to the device object for the 269 * PARAMETERS: device_handle - Handle to the device object for the
325 * device we are changing the resources of 270 * device we are setting resources
326 * in_buffer - a pointer to a buffer containing the 271 * in_buffer - Pointer to a buffer containing the
327 * resources to be set for the device 272 * resources to be set for the device
328 * 273 *
329 * RETURN: Status 274 * RETURN: Status
330 * 275 *
331 * DESCRIPTION: This function is called to set the current resources for a 276 * DESCRIPTION: This function is called to set the current resources for a
332 * specific device. The caller must first acquire a handle for 277 * specific device. The caller must first acquire a handle for
333 * the desired device. The resource data is passed to the routine 278 * the desired device. The resource data is passed to the routine
334 * the buffer pointed to by the in_buffer variable. 279 * the buffer pointed to by the in_buffer variable.
335 * 280 *
336 ******************************************************************************/ 281 ******************************************************************************/
337
338acpi_status 282acpi_status
339acpi_set_current_resources(acpi_handle device_handle, 283acpi_set_current_resources(acpi_handle device_handle,
340 struct acpi_buffer *in_buffer) 284 struct acpi_buffer *in_buffer)
341{ 285{
342 acpi_status status; 286 acpi_status status;
287 struct acpi_namespace_node *node;
343 288
344 ACPI_FUNCTION_TRACE("acpi_set_current_resources"); 289 ACPI_FUNCTION_TRACE(acpi_set_current_resources);
345 290
346 /* Must have a valid handle and buffer */ 291 /* Validate the buffer, don't allow zero length */
347 292
348 if ((!device_handle) || 293 if ((!in_buffer) || (!in_buffer->pointer) || (!in_buffer->length)) {
349 (!in_buffer) || (!in_buffer->pointer) || (!in_buffer->length)) {
350 return_ACPI_STATUS(AE_BAD_PARAMETER); 294 return_ACPI_STATUS(AE_BAD_PARAMETER);
351 } 295 }
352 296
353 status = acpi_rs_set_srs_method_data(device_handle, in_buffer); 297 /* Validate parameters then dispatch to internal routine */
298
299 status = acpi_rs_validate_parameters(device_handle, in_buffer, &node);
300 if (ACPI_FAILURE(status)) {
301 return_ACPI_STATUS(status);
302 }
303
304 status = acpi_rs_set_srs_method_data(node, in_buffer);
354 return_ACPI_STATUS(status); 305 return_ACPI_STATUS(status);
355} 306}
356 307
357EXPORT_SYMBOL(acpi_set_current_resources); 308ACPI_EXPORT_SYMBOL(acpi_set_current_resources)
358 309
359/****************************************************************************** 310/******************************************************************************
360 * 311 *
361 * FUNCTION: acpi_resource_to_address64 312 * FUNCTION: acpi_resource_to_address64
362 * 313 *
363 * PARAMETERS: Resource - Pointer to a resource 314 * PARAMETERS: Resource - Pointer to a resource
364 * Out - Pointer to the users's return 315 * Out - Pointer to the users's return buffer
365 * buffer (a struct 316 * (a struct acpi_resource_address64)
366 * struct acpi_resource_address64)
367 * 317 *
368 * RETURN: Status 318 * RETURN: Status
369 * 319 *
370 * DESCRIPTION: If the resource is an address16, address32, or address64, 320 * DESCRIPTION: If the resource is an address16, address32, or address64,
371 * copy it to the address64 return buffer. This saves the 321 * copy it to the address64 return buffer. This saves the
372 * caller from having to duplicate code for different-sized 322 * caller from having to duplicate code for different-sized
373 * addresses. 323 * addresses.
374 * 324 *
375 ******************************************************************************/ 325 ******************************************************************************/
376
377acpi_status 326acpi_status
378acpi_resource_to_address64(struct acpi_resource *resource, 327acpi_resource_to_address64(struct acpi_resource *resource,
379 struct acpi_resource_address64 *out) 328 struct acpi_resource_address64 *out)
@@ -415,18 +364,18 @@ acpi_resource_to_address64(struct acpi_resource *resource,
415 return (AE_OK); 364 return (AE_OK);
416} 365}
417 366
418EXPORT_SYMBOL(acpi_resource_to_address64); 367ACPI_EXPORT_SYMBOL(acpi_resource_to_address64)
419 368
420/******************************************************************************* 369/*******************************************************************************
421 * 370 *
422 * FUNCTION: acpi_get_vendor_resource 371 * FUNCTION: acpi_get_vendor_resource
423 * 372 *
424 * PARAMETERS: device_handle - Handle for the parent device object 373 * PARAMETERS: device_handle - Handle for the parent device object
425 * Name - Method name for the parent resource 374 * Name - Method name for the parent resource
426 * (METHOD_NAME__CRS or METHOD_NAME__PRS) 375 * (METHOD_NAME__CRS or METHOD_NAME__PRS)
427 * Uuid - Pointer to the UUID to be matched. 376 * Uuid - Pointer to the UUID to be matched.
428 * includes both subtype and 16-byte UUID 377 * includes both subtype and 16-byte UUID
429 * ret_buffer - Where the vendor resource is returned 378 * ret_buffer - Where the vendor resource is returned
430 * 379 *
431 * RETURN: Status 380 * RETURN: Status
432 * 381 *
@@ -435,7 +384,6 @@ EXPORT_SYMBOL(acpi_resource_to_address64);
435 * UUID subtype. Returns a struct acpi_resource of type Vendor. 384 * UUID subtype. Returns a struct acpi_resource of type Vendor.
436 * 385 *
437 ******************************************************************************/ 386 ******************************************************************************/
438
439acpi_status 387acpi_status
440acpi_get_vendor_resource(acpi_handle device_handle, 388acpi_get_vendor_resource(acpi_handle device_handle,
441 char *name, 389 char *name,
@@ -467,18 +415,19 @@ acpi_get_vendor_resource(acpi_handle device_handle,
467 return (info.status); 415 return (info.status);
468} 416}
469 417
418ACPI_EXPORT_SYMBOL(acpi_get_vendor_resource)
419
470/******************************************************************************* 420/*******************************************************************************
471 * 421 *
472 * FUNCTION: acpi_rs_match_vendor_resource 422 * FUNCTION: acpi_rs_match_vendor_resource
473 * 423 *
474 * PARAMETERS: ACPI_WALK_RESOURCE_CALLBACK 424 * PARAMETERS: acpi_walk_resource_callback
475 * 425 *
476 * RETURN: Status 426 * RETURN: Status
477 * 427 *
478 * DESCRIPTION: Match a vendor resource via the ACPI 3.0 UUID 428 * DESCRIPTION: Match a vendor resource via the ACPI 3.0 UUID
479 * 429 *
480 ******************************************************************************/ 430 ******************************************************************************/
481
482static acpi_status 431static acpi_status
483acpi_rs_match_vendor_resource(struct acpi_resource *resource, void *context) 432acpi_rs_match_vendor_resource(struct acpi_resource *resource, void *context)
484{ 433{
@@ -526,3 +475,101 @@ acpi_rs_match_vendor_resource(struct acpi_resource *resource, void *context)
526 info->status = AE_OK; 475 info->status = AE_OK;
527 return (AE_CTRL_TERMINATE); 476 return (AE_CTRL_TERMINATE);
528} 477}
478
479ACPI_EXPORT_SYMBOL(acpi_rs_match_vendor_resource)
480
481/*******************************************************************************
482 *
483 * FUNCTION: acpi_walk_resources
484 *
485 * PARAMETERS: device_handle - Handle to the device object for the
486 * device we are querying
487 * Name - Method name of the resources we want
488 * (METHOD_NAME__CRS or METHOD_NAME__PRS)
489 * user_function - Called for each resource
490 * Context - Passed to user_function
491 *
492 * RETURN: Status
493 *
494 * DESCRIPTION: Retrieves the current or possible resource list for the
495 * specified device. The user_function is called once for
496 * each resource in the list.
497 *
498 ******************************************************************************/
499
500acpi_status
501acpi_walk_resources(acpi_handle device_handle,
502 char *name,
503 acpi_walk_resource_callback user_function, void *context)
504{
505 acpi_status status;
506 struct acpi_buffer buffer;
507 struct acpi_resource *resource;
508 struct acpi_resource *resource_end;
509
510 ACPI_FUNCTION_TRACE(acpi_walk_resources);
511
512 /* Parameter validation */
513
514 if (!device_handle || !user_function || !name ||
515 (!ACPI_COMPARE_NAME(name, METHOD_NAME__CRS) &&
516 !ACPI_COMPARE_NAME(name, METHOD_NAME__PRS))) {
517 return_ACPI_STATUS(AE_BAD_PARAMETER);
518 }
519
520 /* Get the _CRS or _PRS resource list */
521
522 buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
523 status = acpi_rs_get_method_data(device_handle, name, &buffer);
524 if (ACPI_FAILURE(status)) {
525 return_ACPI_STATUS(status);
526 }
527
528 /* Buffer now contains the resource list */
529
530 resource = ACPI_CAST_PTR(struct acpi_resource, buffer.pointer);
531 resource_end =
532 ACPI_ADD_PTR(struct acpi_resource, buffer.pointer, buffer.length);
533
534 /* Walk the resource list until the end_tag is found (or buffer end) */
535
536 while (resource < resource_end) {
537
538 /* Sanity check the resource */
539
540 if (resource->type > ACPI_RESOURCE_TYPE_MAX) {
541 status = AE_AML_INVALID_RESOURCE_TYPE;
542 break;
543 }
544
545 /* Invoke the user function, abort on any error returned */
546
547 status = user_function(resource, context);
548 if (ACPI_FAILURE(status)) {
549 if (status == AE_CTRL_TERMINATE) {
550
551 /* This is an OK termination by the user function */
552
553 status = AE_OK;
554 }
555 break;
556 }
557
558 /* end_tag indicates end-of-list */
559
560 if (resource->type == ACPI_RESOURCE_TYPE_END_TAG) {
561 break;
562 }
563
564 /* Get the next resource descriptor */
565
566 resource =
567 ACPI_ADD_PTR(struct acpi_resource, resource,
568 resource->length);
569 }
570
571 ACPI_FREE(buffer.pointer);
572 return_ACPI_STATUS(status);
573}
574
575ACPI_EXPORT_SYMBOL(acpi_walk_resources)
generated by cgit v1.2.2 (git 2.25.0) at 2025-12-08 18:01:00 -0500