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-rw-r--r--drivers/acpi/resources/Makefile2
-rw-r--r--drivers/acpi/resources/rsaddr.c1164
-rw-r--r--drivers/acpi/resources/rscalc.c831
-rw-r--r--drivers/acpi/resources/rscreate.c231
-rw-r--r--drivers/acpi/resources/rsdump.c1399
-rw-r--r--drivers/acpi/resources/rsinfo.c204
-rw-r--r--drivers/acpi/resources/rsio.c544
-rw-r--r--drivers/acpi/resources/rsirq.c568
-rw-r--r--drivers/acpi/resources/rslist.c534
-rw-r--r--drivers/acpi/resources/rsmemory.c517
-rw-r--r--drivers/acpi/resources/rsmisc.c860
-rw-r--r--drivers/acpi/resources/rsutils.c390
-rw-r--r--drivers/acpi/resources/rsxface.c230
13 files changed, 2887 insertions, 4587 deletions
diff --git a/drivers/acpi/resources/Makefile b/drivers/acpi/resources/Makefile
index 2130b74170c3..8de4f69dfa09 100644
--- a/drivers/acpi/resources/Makefile
+++ b/drivers/acpi/resources/Makefile
@@ -2,7 +2,7 @@
2# Makefile for all Linux ACPI interpreter subdirectories 2# Makefile for all Linux ACPI interpreter subdirectories
3# 3#
4 4
5obj-y := rsaddr.o rscreate.o rsio.o rslist.o rsmisc.o rsxface.o \ 5obj-y := rsaddr.o rscreate.o rsinfo.o rsio.o rslist.o rsmisc.o rsxface.o \
6 rscalc.o rsirq.o rsmemory.o rsutils.o 6 rscalc.o rsirq.o rsmemory.o rsutils.o
7 7
8obj-$(ACPI_FUTURE_USAGE) += rsdump.o 8obj-$(ACPI_FUTURE_USAGE) += rsdump.o
diff --git a/drivers/acpi/resources/rsaddr.c b/drivers/acpi/resources/rsaddr.c
index 23b54baa0cb2..8fa3213ce000 100644
--- a/drivers/acpi/resources/rsaddr.c
+++ b/drivers/acpi/resources/rsaddr.c
@@ -5,7 +5,7 @@
5 ******************************************************************************/ 5 ******************************************************************************/
6 6
7/* 7/*
8 * Copyright (C) 2000 - 2005, R. Byron Moore 8 * Copyright (C) 2000 - 2006, R. Byron Moore
9 * All rights reserved. 9 * All rights reserved.
10 * 10 *
11 * Redistribution and use in source and binary forms, with or without 11 * Redistribution and use in source and binary forms, with or without
@@ -47,1072 +47,334 @@
47#define _COMPONENT ACPI_RESOURCES 47#define _COMPONENT ACPI_RESOURCES
48ACPI_MODULE_NAME("rsaddr") 48ACPI_MODULE_NAME("rsaddr")
49 49
50/* Local prototypes */
51static void
52acpi_rs_decode_general_flags(union acpi_resource_data *resource, u8 flags);
53
54static u8 acpi_rs_encode_general_flags(union acpi_resource_data *resource);
55
56static void
57acpi_rs_decode_specific_flags(union acpi_resource_data *resource, u8 flags);
58
59static u8 acpi_rs_encode_specific_flags(union acpi_resource_data *resource);
60
61/******************************************************************************* 50/*******************************************************************************
62 * 51 *
63 * FUNCTION: acpi_rs_decode_general_flags 52 * acpi_rs_convert_address16 - All WORD (16-bit) address resources
64 *
65 * PARAMETERS: Resource - Address resource data struct
66 * Flags - Actual flag byte
67 *
68 * RETURN: Decoded flag bits in resource struct
69 *
70 * DESCRIPTION: Decode a general flag byte to an address resource struct
71 * 53 *
72 ******************************************************************************/ 54 ******************************************************************************/
55struct acpi_rsconvert_info acpi_rs_convert_address16[5] = {
56 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_ADDRESS16,
57 ACPI_RS_SIZE(struct acpi_resource_address16),
58 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_address16)},
73 59
74static void 60 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS16,
75acpi_rs_decode_general_flags(union acpi_resource_data *resource, u8 flags) 61 sizeof(struct aml_resource_address16),
76{ 62 0},
77 ACPI_FUNCTION_ENTRY();
78
79 /* Producer / Consumer - flag bit[0] */
80
81 resource->address.producer_consumer = (u32) (flags & 0x01);
82 63
83 /* Decode (_DEC) - flag bit[1] */ 64 /* Resource Type, General Flags, and Type-Specific Flags */
84 65
85 resource->address.decode = (u32) ((flags >> 1) & 0x01); 66 {ACPI_RSC_ADDRESS, 0, 0, 0},
86 67
87 /* Min Address Fixed (_MIF) - flag bit[2] */ 68 /*
69 * These fields are contiguous in both the source and destination:
70 * Address Granularity
71 * Address Range Minimum
72 * Address Range Maximum
73 * Address Translation Offset
74 * Address Length
75 */
76 {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.address16.granularity),
77 AML_OFFSET(address16.granularity),
78 5},
88 79
89 resource->address.min_address_fixed = (u32) ((flags >> 2) & 0x01); 80 /* Optional resource_source (Index and String) */
90 81
91 /* Max Address Fixed (_MAF) - flag bit[3] */ 82 {ACPI_RSC_SOURCE, ACPI_RS_OFFSET(data.address16.resource_source),
92 83 0,
93 resource->address.max_address_fixed = (u32) ((flags >> 3) & 0x01); 84 sizeof(struct aml_resource_address16)}
94} 85};
95 86
96/******************************************************************************* 87/*******************************************************************************
97 * 88 *
98 * FUNCTION: acpi_rs_encode_general_flags 89 * acpi_rs_convert_address32 - All DWORD (32-bit) address resources
99 *
100 * PARAMETERS: Resource - Address resource data struct
101 *
102 * RETURN: Encoded general flag byte
103 *
104 * DESCRIPTION: Construct a general flag byte from an address resource struct
105 * 90 *
106 ******************************************************************************/ 91 ******************************************************************************/
107 92
108static u8 acpi_rs_encode_general_flags(union acpi_resource_data *resource) 93struct acpi_rsconvert_info acpi_rs_convert_address32[5] = {
109{ 94 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_ADDRESS32,
110 u8 flags; 95 ACPI_RS_SIZE(struct acpi_resource_address32),
111 96 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_address32)},
112 ACPI_FUNCTION_ENTRY();
113
114 /* Producer / Consumer - flag bit[0] */
115
116 flags = (u8) (resource->address.producer_consumer & 0x01);
117
118 /* Decode (_DEC) - flag bit[1] */
119
120 flags |= (u8) ((resource->address.decode & 0x01) << 1);
121
122 /* Min Address Fixed (_MIF) - flag bit[2] */
123
124 flags |= (u8) ((resource->address.min_address_fixed & 0x01) << 2);
125 97
126 /* Max Address Fixed (_MAF) - flag bit[3] */ 98 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS32,
99 sizeof(struct aml_resource_address32),
100 0},
127 101
128 flags |= (u8) ((resource->address.max_address_fixed & 0x01) << 3); 102 /* Resource Type, General Flags, and Type-Specific Flags */
129 103
130 return (flags); 104 {ACPI_RSC_ADDRESS, 0, 0, 0},
131}
132
133/*******************************************************************************
134 *
135 * FUNCTION: acpi_rs_decode_specific_flags
136 *
137 * PARAMETERS: Resource - Address resource data struct
138 * Flags - Actual flag byte
139 *
140 * RETURN: Decoded flag bits in attribute struct
141 *
142 * DESCRIPTION: Decode a type-specific flag byte to an attribute struct.
143 * Type-specific flags are only defined for the Memory and IO
144 * resource types.
145 *
146 ******************************************************************************/
147 105
148static void 106 /*
149acpi_rs_decode_specific_flags(union acpi_resource_data *resource, u8 flags) 107 * These fields are contiguous in both the source and destination:
150{ 108 * Address Granularity
151 ACPI_FUNCTION_ENTRY(); 109 * Address Range Minimum
152 110 * Address Range Maximum
153 if (resource->address.resource_type == ACPI_MEMORY_RANGE) { 111 * Address Translation Offset
154 /* Write Status (_RW) - flag bit[0] */ 112 * Address Length
155 113 */
156 resource->address.attribute.memory.read_write_attribute = 114 {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.address32.granularity),
157 (u16) (flags & 0x01); 115 AML_OFFSET(address32.granularity),
158 116 5},
159 /* Memory Attributes (_MEM) - flag bits[2:1] */
160
161 resource->address.attribute.memory.cache_attribute =
162 (u16) ((flags >> 1) & 0x03);
163 } else if (resource->address.resource_type == ACPI_IO_RANGE) {
164 /* Ranges (_RNG) - flag bits[1:0] */
165
166 resource->address.attribute.io.range_attribute =
167 (u16) (flags & 0x03);
168 117
169 /* Translations (_TTP and _TRS) - flag bits[5:4] */ 118 /* Optional resource_source (Index and String) */
170 119
171 resource->address.attribute.io.translation_attribute = 120 {ACPI_RSC_SOURCE, ACPI_RS_OFFSET(data.address32.resource_source),
172 (u16) ((flags >> 4) & 0x03); 121 0,
173 } 122 sizeof(struct aml_resource_address32)}
174} 123};
175 124
176/******************************************************************************* 125/*******************************************************************************
177 * 126 *
178 * FUNCTION: acpi_rs_encode_specific_flags 127 * acpi_rs_convert_address64 - All QWORD (64-bit) address resources
179 *
180 * PARAMETERS: Resource - Address resource data struct
181 *
182 * RETURN: Encoded type-specific flag byte
183 *
184 * DESCRIPTION: Construct a type-specific flag byte from an attribute struct.
185 * Type-specific flags are only defined for the Memory and IO
186 * resource types.
187 * 128 *
188 ******************************************************************************/ 129 ******************************************************************************/
189 130
190static u8 acpi_rs_encode_specific_flags(union acpi_resource_data *resource) 131struct acpi_rsconvert_info acpi_rs_convert_address64[5] = {
191{ 132 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_ADDRESS64,
192 u8 flags = 0; 133 ACPI_RS_SIZE(struct acpi_resource_address64),
193 134 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_address64)},
194 ACPI_FUNCTION_ENTRY();
195
196 if (resource->address.resource_type == ACPI_MEMORY_RANGE) {
197 /* Write Status (_RW) - flag bit[0] */
198 135
199 flags = (u8) 136 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS64,
200 (resource->address.attribute.memory. 137 sizeof(struct aml_resource_address64),
201 read_write_attribute & 0x01); 138 0},
202 139
203 /* Memory Attributes (_MEM) - flag bits[2:1] */ 140 /* Resource Type, General Flags, and Type-Specific Flags */
204 141
205 flags |= (u8) 142 {ACPI_RSC_ADDRESS, 0, 0, 0},
206 ((resource->address.attribute.memory.
207 cache_attribute & 0x03) << 1);
208 } else if (resource->address.resource_type == ACPI_IO_RANGE) {
209 /* Ranges (_RNG) - flag bits[1:0] */
210 143
211 flags = (u8) 144 /*
212 (resource->address.attribute.io.range_attribute & 0x03); 145 * These fields are contiguous in both the source and destination:
146 * Address Granularity
147 * Address Range Minimum
148 * Address Range Maximum
149 * Address Translation Offset
150 * Address Length
151 */
152 {ACPI_RSC_MOVE64, ACPI_RS_OFFSET(data.address64.granularity),
153 AML_OFFSET(address64.granularity),
154 5},
213 155
214 /* Translations (_TTP and _TRS) - flag bits[5:4] */ 156 /* Optional resource_source (Index and String) */
215 157
216 flags |= (u8) 158 {ACPI_RSC_SOURCE, ACPI_RS_OFFSET(data.address64.resource_source),
217 ((resource->address.attribute.io. 159 0,
218 translation_attribute & 0x03) << 4); 160 sizeof(struct aml_resource_address64)}
219 } 161};
220
221 return (flags);
222}
223 162
224/******************************************************************************* 163/*******************************************************************************
225 * 164 *
226 * FUNCTION: acpi_rs_address16_resource 165 * acpi_rs_convert_ext_address64 - All Extended (64-bit) address resources
227 *
228 * PARAMETERS: byte_stream_buffer - Pointer to the resource input byte
229 * stream
230 * bytes_consumed - Pointer to where the number of bytes
231 * consumed the byte_stream_buffer is
232 * returned
233 * output_buffer - Pointer to the return data buffer
234 * structure_size - Pointer to where the number of bytes
235 * in the return data struct is returned
236 *
237 * RETURN: Status
238 *
239 * DESCRIPTION: Take the resource byte stream and fill out the appropriate
240 * structure pointed to by the output_buffer. Return the
241 * number of bytes consumed from the byte stream.
242 * 166 *
243 ******************************************************************************/ 167 ******************************************************************************/
244 168
245acpi_status 169struct acpi_rsconvert_info acpi_rs_convert_ext_address64[5] = {
246acpi_rs_address16_resource(u8 * byte_stream_buffer, 170 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64,
247 acpi_size * bytes_consumed, 171 ACPI_RS_SIZE(struct acpi_resource_extended_address64),
248 u8 ** output_buffer, acpi_size * structure_size) 172 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_ext_address64)},
249{
250 u32 index;
251 u16 temp16;
252 u8 temp8;
253 u8 *temp_ptr;
254 u8 *buffer = byte_stream_buffer;
255 struct acpi_resource *output_struct = (void *)*output_buffer;
256 acpi_size struct_size =
257 ACPI_SIZEOF_RESOURCE(struct acpi_resource_address16);
258
259 ACPI_FUNCTION_TRACE("rs_address16_resource");
260
261 /* Get the Descriptor Length field */
262
263 buffer += 1;
264 ACPI_MOVE_16_TO_16(&temp16, buffer);
265
266 /* Validate minimum descriptor length */
267
268 if (temp16 < 13) {
269 return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH);
270 }
271
272 *bytes_consumed = temp16 + 3;
273 output_struct->id = ACPI_RSTYPE_ADDRESS16;
274
275 /* Get the Resource Type (Byte3) */
276 173
277 buffer += 2; 174 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64,
278 temp8 = *buffer; 175 sizeof(struct aml_resource_extended_address64),
176 0},
279 177
280 /* Values 0-2 and 0xC0-0xFF are valid */ 178 /* Resource Type, General Flags, and Type-Specific Flags */
281 179
282 if ((temp8 > 2) && (temp8 < 0xC0)) { 180 {ACPI_RSC_ADDRESS, 0, 0, 0},
283 return_ACPI_STATUS(AE_AML_INVALID_RESOURCE_TYPE);
284 }
285
286 output_struct->data.address16.resource_type = temp8;
287
288 /* Get the General Flags (Byte4) */
289
290 buffer += 1;
291 acpi_rs_decode_general_flags(&output_struct->data, *buffer);
292
293 /* Get the Type Specific Flags (Byte5) */
294
295 buffer += 1;
296 acpi_rs_decode_specific_flags(&output_struct->data, *buffer);
297
298 /* Get Granularity (Bytes 6-7) */
299
300 buffer += 1;
301 ACPI_MOVE_16_TO_32(&output_struct->data.address16.granularity, buffer);
302
303 /* Get min_address_range (Bytes 8-9) */
304 181
305 buffer += 2; 182 /* Revision ID */
306 ACPI_MOVE_16_TO_32(&output_struct->data.address16.min_address_range,
307 buffer);
308
309 /* Get max_address_range (Bytes 10-11) */
310
311 buffer += 2;
312 ACPI_MOVE_16_TO_32(&output_struct->data.address16.max_address_range,
313 buffer);
314
315 /* Get address_translation_offset (Bytes 12-13) */
316
317 buffer += 2;
318 ACPI_MOVE_16_TO_32(&output_struct->data.address16.
319 address_translation_offset, buffer);
320
321 /* Get address_length (Bytes 14-15) */
322
323 buffer += 2;
324 ACPI_MOVE_16_TO_32(&output_struct->data.address16.address_length,
325 buffer);
326
327 /* Resource Source Index (if present) */
328
329 buffer += 2;
330 183
184 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.ext_address64.revision_iD),
185 AML_OFFSET(ext_address64.revision_iD),
186 1},
331 /* 187 /*
332 * This will leave us pointing to the Resource Source Index 188 * These fields are contiguous in both the source and destination:
333 * If it is present, then save it off and calculate the 189 * Address Granularity
334 * pointer to where the null terminated string goes: 190 * Address Range Minimum
335 * Each Interrupt takes 32-bits + the 5 bytes of the 191 * Address Range Maximum
336 * stream that are default. 192 * Address Translation Offset
337 * 193 * Address Length
338 * Note: Some resource descriptors will have an additional null, so 194 * Type-Specific Attribute
339 * we add 1 to the length.
340 */ 195 */
341 if (*bytes_consumed > (16 + 1)) { 196 {ACPI_RSC_MOVE64, ACPI_RS_OFFSET(data.ext_address64.granularity),
342 /* Dereference the Index */ 197 AML_OFFSET(ext_address64.granularity),
343 198 6}
344 output_struct->data.address16.resource_source.index = 199};
345 (u32) * buffer;
346
347 /* Point to the String */
348
349 buffer += 1;
350
351 /* Point the String pointer to the end of this structure */
352
353 output_struct->data.address16.resource_source.string_ptr =
354 (char *)((u8 *) output_struct + struct_size);
355
356 temp_ptr = (u8 *)
357 output_struct->data.address16.resource_source.string_ptr;
358
359 /* Copy the resource_source string into the buffer */
360
361 index = 0;
362 while (*buffer) {
363 *temp_ptr = *buffer;
364
365 temp_ptr++;
366 buffer++;
367 index++;
368 }
369
370 /* Add the terminating null and set the string length */
371
372 *temp_ptr = 0;
373 output_struct->data.address16.resource_source.string_length =
374 index + 1;
375
376 /*
377 * In order for the struct_size to fall on a 32-bit boundary,
378 * calculate the length of the string and expand the
379 * struct_size to the next 32-bit boundary.
380 */
381 temp8 = (u8) (index + 1);
382 struct_size += ACPI_ROUND_UP_to_32_bITS(temp8);
383 } else {
384 output_struct->data.address16.resource_source.index = 0;
385 output_struct->data.address16.resource_source.string_length = 0;
386 output_struct->data.address16.resource_source.string_ptr = NULL;
387 }
388
389 /* Set the Length parameter */
390
391 output_struct->length = (u32) struct_size;
392
393 /* Return the final size of the structure */
394
395 *structure_size = struct_size;
396 return_ACPI_STATUS(AE_OK);
397}
398 200
399/******************************************************************************* 201/*******************************************************************************
400 * 202 *
401 * FUNCTION: acpi_rs_address16_stream 203 * acpi_rs_convert_general_flags - Flags common to all address descriptors
402 *
403 * PARAMETERS: linked_list - Pointer to the resource linked list
404 * output_buffer - Pointer to the user's return buffer
405 * bytes_consumed - Pointer to where the number of bytes
406 * used in the output_buffer is returned
407 *
408 * RETURN: Status
409 *
410 * DESCRIPTION: Take the linked list resource structure and fills in the
411 * the appropriate bytes in a byte stream
412 * 204 *
413 ******************************************************************************/ 205 ******************************************************************************/
414 206
415acpi_status 207static struct acpi_rsconvert_info acpi_rs_convert_general_flags[6] = {
416acpi_rs_address16_stream(struct acpi_resource *linked_list, 208 {ACPI_RSC_FLAGINIT, 0, AML_OFFSET(address.flags),
417 u8 ** output_buffer, acpi_size * bytes_consumed) 209 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_general_flags)},
418{
419 u8 *buffer = *output_buffer;
420 u8 *length_field;
421 acpi_size actual_bytes;
422
423 ACPI_FUNCTION_TRACE("rs_address16_stream");
424
425 /* Set the Descriptor Type field */
426
427 *buffer = ACPI_RDESC_TYPE_WORD_ADDRESS_SPACE;
428 buffer += 1;
429
430 /* Save a pointer to the Length field - to be filled in later */
431
432 length_field = buffer;
433 buffer += 2;
434
435 /* Set the Resource Type (Memory, Io, bus_number) */
436
437 *buffer = (u8) (linked_list->data.address16.resource_type & 0x03);
438 buffer += 1;
439
440 /* Set the general flags */
441
442 *buffer = acpi_rs_encode_general_flags(&linked_list->data);
443 buffer += 1;
444
445 /* Set the type specific flags */
446
447 *buffer = acpi_rs_encode_specific_flags(&linked_list->data);
448 buffer += 1;
449
450 /* Set the address space granularity */
451
452 ACPI_MOVE_32_TO_16(buffer, &linked_list->data.address16.granularity);
453 buffer += 2;
454
455 /* Set the address range minimum */
456 210
457 ACPI_MOVE_32_TO_16(buffer, 211 /* Resource Type (Memory, Io, bus_number, etc.) */
458 &linked_list->data.address16.min_address_range);
459 buffer += 2;
460 212
461 /* Set the address range maximum */ 213 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.address.resource_type),
214 AML_OFFSET(address.resource_type),
215 1},
462 216
463 ACPI_MOVE_32_TO_16(buffer, 217 /* General Flags - Consume, Decode, min_fixed, max_fixed */
464 &linked_list->data.address16.max_address_range);
465 buffer += 2;
466 218
467 /* Set the address translation offset */ 219 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.producer_consumer),
220 AML_OFFSET(address.flags),
221 0},
468 222
469 ACPI_MOVE_32_TO_16(buffer, 223 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.decode),
470 &linked_list->data.address16. 224 AML_OFFSET(address.flags),
471 address_translation_offset); 225 1},
472 buffer += 2;
473 226
474 /* Set the address length */ 227 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.min_address_fixed),
228 AML_OFFSET(address.flags),
229 2},
475 230
476 ACPI_MOVE_32_TO_16(buffer, &linked_list->data.address16.address_length); 231 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.max_address_fixed),
477 buffer += 2; 232 AML_OFFSET(address.flags),
478 233 3}
479 /* Resource Source Index and Resource Source are optional */ 234};
480
481 if (linked_list->data.address16.resource_source.string_length) {
482 *buffer =
483 (u8) linked_list->data.address16.resource_source.index;
484 buffer += 1;
485
486 /* Copy the resource_source string */
487
488 ACPI_STRCPY((char *)buffer,
489 linked_list->data.address16.resource_source.
490 string_ptr);
491
492 /*
493 * Buffer needs to be set to the length of the string + one for the
494 * terminating null
495 */
496 buffer +=
497 (acpi_size) (ACPI_STRLEN
498 (linked_list->data.address16.resource_source.
499 string_ptr) + 1);
500 }
501
502 /* Return the number of bytes consumed in this operation */
503
504 actual_bytes = ACPI_PTR_DIFF(buffer, *output_buffer);
505 *bytes_consumed = actual_bytes;
506
507 /*
508 * Set the length field to the number of bytes consumed
509 * minus the header size (3 bytes)
510 */
511 actual_bytes -= 3;
512 ACPI_MOVE_SIZE_TO_16(length_field, &actual_bytes);
513 return_ACPI_STATUS(AE_OK);
514}
515 235
516/******************************************************************************* 236/*******************************************************************************
517 * 237 *
518 * FUNCTION: acpi_rs_address32_resource 238 * acpi_rs_convert_mem_flags - Flags common to Memory address descriptors
519 *
520 * PARAMETERS: byte_stream_buffer - Pointer to the resource input byte
521 * stream
522 * bytes_consumed - Pointer to where the number of bytes
523 * consumed the byte_stream_buffer is
524 * returned
525 * output_buffer - Pointer to the return data buffer
526 * structure_size - Pointer to where the number of bytes
527 * in the return data struct is returned
528 *
529 * RETURN: Status
530 *
531 * DESCRIPTION: Take the resource byte stream and fill out the appropriate
532 * structure pointed to by the output_buffer. Return the
533 * number of bytes consumed from the byte stream.
534 * 239 *
535 ******************************************************************************/ 240 ******************************************************************************/
536 241
537acpi_status 242static struct acpi_rsconvert_info acpi_rs_convert_mem_flags[5] = {
538acpi_rs_address32_resource(u8 * byte_stream_buffer, 243 {ACPI_RSC_FLAGINIT, 0, AML_OFFSET(address.specific_flags),
539 acpi_size * bytes_consumed, 244 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_mem_flags)},
540 u8 ** output_buffer, acpi_size * structure_size)
541{
542 u16 temp16;
543 u8 temp8;
544 u8 *temp_ptr;
545 u32 index;
546 u8 *buffer = byte_stream_buffer;
547 struct acpi_resource *output_struct = (void *)*output_buffer;
548 acpi_size struct_size =
549 ACPI_SIZEOF_RESOURCE(struct acpi_resource_address32);
550 245
551 ACPI_FUNCTION_TRACE("rs_address32_resource"); 246 /* Memory-specific flags */
552 247
553 /* Get the Descriptor Length field */ 248 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.info.mem.write_protect),
249 AML_OFFSET(address.specific_flags),
250 0},
554 251
555 buffer += 1; 252 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.address.info.mem.caching),
556 ACPI_MOVE_16_TO_16(&temp16, buffer); 253 AML_OFFSET(address.specific_flags),
254 1},
557 255
558 /* Validate minimum descriptor length */ 256 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.address.info.mem.range_type),
257 AML_OFFSET(address.specific_flags),
258 3},
559 259
560 if (temp16 < 23) { 260 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.info.mem.translation),
561 return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH); 261 AML_OFFSET(address.specific_flags),
562 } 262 5}
563 263};
564 *bytes_consumed = temp16 + 3;
565 output_struct->id = ACPI_RSTYPE_ADDRESS32;
566
567 /* Get the Resource Type (Byte3) */
568
569 buffer += 2;
570 temp8 = *buffer;
571
572 /* Values 0-2 and 0xC0-0xFF are valid */
573
574 if ((temp8 > 2) && (temp8 < 0xC0)) {
575 return_ACPI_STATUS(AE_AML_INVALID_RESOURCE_TYPE);
576 }
577
578 output_struct->data.address32.resource_type = temp8;
579
580 /* Get the General Flags (Byte4) */
581
582 buffer += 1;
583 acpi_rs_decode_general_flags(&output_struct->data, *buffer);
584
585 /* Get the Type Specific Flags (Byte5) */
586
587 buffer += 1;
588 acpi_rs_decode_specific_flags(&output_struct->data, *buffer);
589
590 /* Get Granularity (Bytes 6-9) */
591
592 buffer += 1;
593 ACPI_MOVE_32_TO_32(&output_struct->data.address32.granularity, buffer);
594
595 /* Get min_address_range (Bytes 10-13) */
596
597 buffer += 4;
598 ACPI_MOVE_32_TO_32(&output_struct->data.address32.min_address_range,
599 buffer);
600
601 /* Get max_address_range (Bytes 14-17) */
602
603 buffer += 4;
604 ACPI_MOVE_32_TO_32(&output_struct->data.address32.max_address_range,
605 buffer);
606
607 /* Get address_translation_offset (Bytes 18-21) */
608
609 buffer += 4;
610 ACPI_MOVE_32_TO_32(&output_struct->data.address32.
611 address_translation_offset, buffer);
612
613 /* Get address_length (Bytes 22-25) */
614
615 buffer += 4;
616 ACPI_MOVE_32_TO_32(&output_struct->data.address32.address_length,
617 buffer);
618
619 /* Resource Source Index (if present) */
620
621 buffer += 4;
622
623 /*
624 * This will leave us pointing to the Resource Source Index
625 * If it is present, then save it off and calculate the
626 * pointer to where the null terminated string goes:
627 *
628 * Note: Some resource descriptors will have an additional null, so
629 * we add 1 to the length.
630 */
631 if (*bytes_consumed > (26 + 1)) {
632 /* Dereference the Index */
633
634 output_struct->data.address32.resource_source.index =
635 (u32) * buffer;
636
637 /* Point to the String */
638
639 buffer += 1;
640
641 /* Point the String pointer to the end of this structure */
642
643 output_struct->data.address32.resource_source.string_ptr =
644 (char *)((u8 *) output_struct + struct_size);
645
646 temp_ptr = (u8 *)
647 output_struct->data.address32.resource_source.string_ptr;
648
649 /* Copy the resource_source string into the buffer */
650
651 index = 0;
652 while (*buffer) {
653 *temp_ptr = *buffer;
654
655 temp_ptr++;
656 buffer++;
657 index++;
658 }
659
660 /* Add the terminating null and set the string length */
661
662 *temp_ptr = 0;
663 output_struct->data.address32.resource_source.string_length =
664 index + 1;
665
666 /*
667 * In order for the struct_size to fall on a 32-bit boundary,
668 * calculate the length of the string and expand the
669 * struct_size to the next 32-bit boundary.
670 */
671 temp8 = (u8) (index + 1);
672 struct_size += ACPI_ROUND_UP_to_32_bITS(temp8);
673 } else {
674 output_struct->data.address32.resource_source.index = 0;
675 output_struct->data.address32.resource_source.string_length = 0;
676 output_struct->data.address32.resource_source.string_ptr = NULL;
677 }
678
679 /* Set the Length parameter */
680
681 output_struct->length = (u32) struct_size;
682
683 /* Return the final size of the structure */
684
685 *structure_size = struct_size;
686 return_ACPI_STATUS(AE_OK);
687}
688 264
689/******************************************************************************* 265/*******************************************************************************
690 * 266 *
691 * FUNCTION: acpi_rs_address32_stream 267 * acpi_rs_convert_io_flags - Flags common to I/O address descriptors
692 *
693 * PARAMETERS: linked_list - Pointer to the resource linked list
694 * output_buffer - Pointer to the user's return buffer
695 * bytes_consumed - Pointer to where the number of bytes
696 * used in the output_buffer is returned
697 *
698 * RETURN: Status
699 *
700 * DESCRIPTION: Take the linked list resource structure and fills in the
701 * the appropriate bytes in a byte stream
702 * 268 *
703 ******************************************************************************/ 269 ******************************************************************************/
704 270
705acpi_status 271static struct acpi_rsconvert_info acpi_rs_convert_io_flags[4] = {
706acpi_rs_address32_stream(struct acpi_resource *linked_list, 272 {ACPI_RSC_FLAGINIT, 0, AML_OFFSET(address.specific_flags),
707 u8 ** output_buffer, acpi_size * bytes_consumed) 273 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_io_flags)},
708{
709 u8 *buffer;
710 u16 *length_field;
711
712 ACPI_FUNCTION_TRACE("rs_address32_stream");
713
714 buffer = *output_buffer;
715
716 /* Set the Descriptor Type field */
717
718 *buffer = ACPI_RDESC_TYPE_DWORD_ADDRESS_SPACE;
719 buffer += 1;
720
721 /* Save a pointer to the Length field - to be filled in later */
722
723 length_field = ACPI_CAST_PTR(u16, buffer);
724 buffer += 2;
725
726 /* Set the Resource Type (Memory, Io, bus_number) */
727
728 *buffer = (u8) (linked_list->data.address32.resource_type & 0x03);
729 buffer += 1;
730
731 /* Set the general flags */
732
733 *buffer = acpi_rs_encode_general_flags(&linked_list->data);
734 buffer += 1;
735
736 /* Set the type specific flags */
737
738 *buffer = acpi_rs_encode_specific_flags(&linked_list->data);
739 buffer += 1;
740
741 /* Set the address space granularity */
742
743 ACPI_MOVE_32_TO_32(buffer, &linked_list->data.address32.granularity);
744 buffer += 4;
745
746 /* Set the address range minimum */
747
748 ACPI_MOVE_32_TO_32(buffer,
749 &linked_list->data.address32.min_address_range);
750 buffer += 4;
751
752 /* Set the address range maximum */
753
754 ACPI_MOVE_32_TO_32(buffer,
755 &linked_list->data.address32.max_address_range);
756 buffer += 4;
757
758 /* Set the address translation offset */
759
760 ACPI_MOVE_32_TO_32(buffer,
761 &linked_list->data.address32.
762 address_translation_offset);
763 buffer += 4;
764
765 /* Set the address length */
766
767 ACPI_MOVE_32_TO_32(buffer, &linked_list->data.address32.address_length);
768 buffer += 4;
769 274
770 /* Resource Source Index and Resource Source are optional */ 275 /* I/O-specific flags */
771 276
772 if (linked_list->data.address32.resource_source.string_length) { 277 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.address.info.io.range_type),
773 *buffer = 278 AML_OFFSET(address.specific_flags),
774 (u8) linked_list->data.address32.resource_source.index; 279 0},
775 buffer += 1;
776 280
777 /* Copy the resource_source string */ 281 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.info.io.translation),
282 AML_OFFSET(address.specific_flags),
283 4},
778 284
779 ACPI_STRCPY((char *)buffer, 285 {ACPI_RSC_1BITFLAG,
780 linked_list->data.address32.resource_source. 286 ACPI_RS_OFFSET(data.address.info.io.translation_type),
781 string_ptr); 287 AML_OFFSET(address.specific_flags),
782 288 5}
783 /* 289};
784 * Buffer needs to be set to the length of the string + one for the
785 * terminating null
786 */
787 buffer +=
788 (acpi_size) (ACPI_STRLEN
789 (linked_list->data.address32.resource_source.
790 string_ptr) + 1);
791 }
792
793 /* Return the number of bytes consumed in this operation */
794
795 *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer);
796
797 /*
798 * Set the length field to the number of bytes consumed
799 * minus the header size (3 bytes)
800 */
801 *length_field = (u16) (*bytes_consumed - 3);
802 return_ACPI_STATUS(AE_OK);
803}
804 290
805/******************************************************************************* 291/*******************************************************************************
806 * 292 *
807 * FUNCTION: acpi_rs_address64_resource 293 * FUNCTION: acpi_rs_get_address_common
808 * 294 *
809 * PARAMETERS: byte_stream_buffer - Pointer to the resource input byte 295 * PARAMETERS: Resource - Pointer to the internal resource struct
810 * stream 296 * Aml - Pointer to the AML resource descriptor
811 * bytes_consumed - Pointer to where the number of bytes
812 * consumed the byte_stream_buffer is
813 * returned
814 * output_buffer - Pointer to the return data buffer
815 * structure_size - Pointer to where the number of bytes
816 * in the return data struct is returned
817 * 297 *
818 * RETURN: Status 298 * RETURN: TRUE if the resource_type field is OK, FALSE otherwise
819 * 299 *
820 * DESCRIPTION: Take the resource byte stream and fill out the appropriate 300 * DESCRIPTION: Convert common flag fields from a raw AML resource descriptor
821 * structure pointed to by the output_buffer. Return the 301 * to an internal resource descriptor
822 * number of bytes consumed from the byte stream.
823 * 302 *
824 ******************************************************************************/ 303 ******************************************************************************/
825 304
826acpi_status 305u8
827acpi_rs_address64_resource(u8 * byte_stream_buffer, 306acpi_rs_get_address_common(struct acpi_resource *resource,
828 acpi_size * bytes_consumed, 307 union aml_resource *aml)
829 u8 ** output_buffer, acpi_size * structure_size)
830{ 308{
831 u16 temp16; 309 ACPI_FUNCTION_ENTRY();
832 u8 temp8;
833 u8 resource_type;
834 u8 *temp_ptr;
835 u32 index;
836 u8 *buffer = byte_stream_buffer;
837 struct acpi_resource *output_struct = (void *)*output_buffer;
838 acpi_size struct_size =
839 ACPI_SIZEOF_RESOURCE(struct acpi_resource_address64);
840
841 ACPI_FUNCTION_TRACE("rs_address64_resource");
842
843 /* Get the Descriptor Type */
844
845 resource_type = *buffer;
846
847 /* Get the Descriptor Length field */
848
849 buffer += 1;
850 ACPI_MOVE_16_TO_16(&temp16, buffer);
851
852 /* Validate minimum descriptor length */
853
854 if (temp16 < 43) {
855 return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH);
856 }
857
858 *bytes_consumed = temp16 + 3;
859 output_struct->id = ACPI_RSTYPE_ADDRESS64;
860
861 /* Get the Resource Type (Byte3) */
862
863 buffer += 2;
864 temp8 = *buffer;
865
866 /* Values 0-2 and 0xC0-0xFF are valid */
867
868 if ((temp8 > 2) && (temp8 < 0xC0)) {
869 return_ACPI_STATUS(AE_AML_INVALID_RESOURCE_TYPE);
870 }
871
872 output_struct->data.address64.resource_type = temp8;
873
874 /* Get the General Flags (Byte4) */
875
876 buffer += 1;
877 acpi_rs_decode_general_flags(&output_struct->data, *buffer);
878
879 /* Get the Type Specific Flags (Byte5) */
880
881 buffer += 1;
882 acpi_rs_decode_specific_flags(&output_struct->data, *buffer);
883 310
884 if (resource_type == ACPI_RDESC_TYPE_EXTENDED_ADDRESS_SPACE) { 311 /* Validate the Resource Type */
885 /* Move past revision_id and Reserved byte */
886 312
887 buffer += 2; 313 if ((aml->address.resource_type > 2)
314 && (aml->address.resource_type < 0xC0)) {
315 return (FALSE);
888 } 316 }
889 317
890 /* Get Granularity (Bytes 6-13) or (Bytes 8-15) */ 318 /* Get the Resource Type and General Flags */
891
892 buffer += 1;
893 ACPI_MOVE_64_TO_64(&output_struct->data.address64.granularity, buffer);
894
895 /* Get min_address_range (Bytes 14-21) or (Bytes 16-23) */
896
897 buffer += 8;
898 ACPI_MOVE_64_TO_64(&output_struct->data.address64.min_address_range,
899 buffer);
900
901 /* Get max_address_range (Bytes 22-29) or (Bytes 24-31) */
902
903 buffer += 8;
904 ACPI_MOVE_64_TO_64(&output_struct->data.address64.max_address_range,
905 buffer);
906
907 /* Get address_translation_offset (Bytes 30-37) or (Bytes 32-39) */
908
909 buffer += 8;
910 ACPI_MOVE_64_TO_64(&output_struct->data.address64.
911 address_translation_offset, buffer);
912 319
913 /* Get address_length (Bytes 38-45) or (Bytes 40-47) */ 320 (void)acpi_rs_convert_aml_to_resource(resource, aml,
321 acpi_rs_convert_general_flags);
914 322
915 buffer += 8; 323 /* Get the Type-Specific Flags (Memory and I/O descriptors only) */
916 ACPI_MOVE_64_TO_64(&output_struct->data.address64.address_length,
917 buffer);
918 324
919 output_struct->data.address64.resource_source.index = 0; 325 if (resource->data.address.resource_type == ACPI_MEMORY_RANGE) {
920 output_struct->data.address64.resource_source.string_length = 0; 326 (void)acpi_rs_convert_aml_to_resource(resource, aml,
921 output_struct->data.address64.resource_source.string_ptr = NULL; 327 acpi_rs_convert_mem_flags);
922 328 } else if (resource->data.address.resource_type == ACPI_IO_RANGE) {
923 if (resource_type == ACPI_RDESC_TYPE_EXTENDED_ADDRESS_SPACE) { 329 (void)acpi_rs_convert_aml_to_resource(resource, aml,
924 /* Get type_specific_attribute (Bytes 48-55) */ 330 acpi_rs_convert_io_flags);
925
926 buffer += 8;
927 ACPI_MOVE_64_TO_64(&output_struct->data.address64.
928 type_specific_attributes, buffer);
929 } else { 331 } else {
930 output_struct->data.address64.type_specific_attributes = 0; 332 /* Generic resource type, just grab the type_specific byte */
931
932 /* Resource Source Index (if present) */
933
934 buffer += 8;
935
936 /*
937 * This will leave us pointing to the Resource Source Index
938 * If it is present, then save it off and calculate the
939 * pointer to where the null terminated string goes:
940 * Each Interrupt takes 32-bits + the 5 bytes of the
941 * stream that are default.
942 *
943 * Note: Some resource descriptors will have an additional null, so
944 * we add 1 to the length.
945 */
946 if (*bytes_consumed > (46 + 1)) {
947 /* Dereference the Index */
948
949 output_struct->data.address64.resource_source.index =
950 (u32) * buffer;
951
952 /* Point to the String */
953
954 buffer += 1;
955
956 /* Point the String pointer to the end of this structure */
957
958 output_struct->data.address64.resource_source.
959 string_ptr =
960 (char *)((u8 *) output_struct + struct_size);
961
962 temp_ptr = (u8 *)
963 output_struct->data.address64.resource_source.
964 string_ptr;
965
966 /* Copy the resource_source string into the buffer */
967
968 index = 0;
969 while (*buffer) {
970 *temp_ptr = *buffer;
971
972 temp_ptr++;
973 buffer++;
974 index++;
975 }
976
977 /*
978 * Add the terminating null and set the string length
979 */
980 *temp_ptr = 0;
981 output_struct->data.address64.resource_source.
982 string_length = index + 1;
983
984 /*
985 * In order for the struct_size to fall on a 32-bit boundary,
986 * calculate the length of the string and expand the
987 * struct_size to the next 32-bit boundary.
988 */
989 temp8 = (u8) (index + 1);
990 struct_size += ACPI_ROUND_UP_to_32_bITS(temp8);
991 }
992 }
993
994 /* Set the Length parameter */
995
996 output_struct->length = (u32) struct_size;
997 333
998 /* Return the final size of the structure */ 334 resource->data.address.info.type_specific =
335 aml->address.specific_flags;
336 }
999 337
1000 *structure_size = struct_size; 338 return (TRUE);
1001 return_ACPI_STATUS(AE_OK);
1002} 339}
1003 340
1004/******************************************************************************* 341/*******************************************************************************
1005 * 342 *
1006 * FUNCTION: acpi_rs_address64_stream 343 * FUNCTION: acpi_rs_set_address_common
1007 * 344 *
1008 * PARAMETERS: linked_list - Pointer to the resource linked list 345 * PARAMETERS: Aml - Pointer to the AML resource descriptor
1009 * output_buffer - Pointer to the user's return buffer 346 * Resource - Pointer to the internal resource struct
1010 * bytes_consumed - Pointer to where the number of bytes
1011 * used in the output_buffer is returned
1012 * 347 *
1013 * RETURN: Status 348 * RETURN: None
1014 * 349 *
1015 * DESCRIPTION: Take the linked list resource structure and fills in the 350 * DESCRIPTION: Convert common flag fields from a resource descriptor to an
1016 * the appropriate bytes in a byte stream 351 * AML descriptor
1017 * 352 *
1018 ******************************************************************************/ 353 ******************************************************************************/
1019 354
1020acpi_status 355void
1021acpi_rs_address64_stream(struct acpi_resource *linked_list, 356acpi_rs_set_address_common(union aml_resource *aml,
1022 u8 ** output_buffer, acpi_size * bytes_consumed) 357 struct acpi_resource *resource)
1023{ 358{
1024 u8 *buffer; 359 ACPI_FUNCTION_ENTRY();
1025 u16 *length_field;
1026
1027 ACPI_FUNCTION_TRACE("rs_address64_stream");
1028
1029 buffer = *output_buffer;
1030
1031 /* Set the Descriptor Type field */
1032
1033 *buffer = ACPI_RDESC_TYPE_QWORD_ADDRESS_SPACE;
1034 buffer += 1;
1035
1036 /* Save a pointer to the Length field - to be filled in later */
1037
1038 length_field = ACPI_CAST_PTR(u16, buffer);
1039 buffer += 2;
1040
1041 /* Set the Resource Type (Memory, Io, bus_number) */
1042
1043 *buffer = (u8) (linked_list->data.address64.resource_type & 0x03);
1044 buffer += 1;
1045
1046 /* Set the general flags */
1047
1048 *buffer = acpi_rs_encode_general_flags(&linked_list->data);
1049 buffer += 1;
1050
1051 /* Set the type specific flags */
1052
1053 *buffer = acpi_rs_encode_specific_flags(&linked_list->data);
1054 buffer += 1;
1055
1056 /* Set the address space granularity */
1057
1058 ACPI_MOVE_64_TO_64(buffer, &linked_list->data.address64.granularity);
1059 buffer += 8;
1060
1061 /* Set the address range minimum */
1062
1063 ACPI_MOVE_64_TO_64(buffer,
1064 &linked_list->data.address64.min_address_range);
1065 buffer += 8;
1066
1067 /* Set the address range maximum */
1068
1069 ACPI_MOVE_64_TO_64(buffer,
1070 &linked_list->data.address64.max_address_range);
1071 buffer += 8;
1072
1073 /* Set the address translation offset */
1074
1075 ACPI_MOVE_64_TO_64(buffer,
1076 &linked_list->data.address64.
1077 address_translation_offset);
1078 buffer += 8;
1079
1080 /* Set the address length */
1081
1082 ACPI_MOVE_64_TO_64(buffer, &linked_list->data.address64.address_length);
1083 buffer += 8;
1084 360
1085 /* Resource Source Index and Resource Source are optional */ 361 /* Set the Resource Type and General Flags */
1086 362
1087 if (linked_list->data.address64.resource_source.string_length) { 363 (void)acpi_rs_convert_resource_to_aml(resource, aml,
1088 *buffer = 364 acpi_rs_convert_general_flags);
1089 (u8) linked_list->data.address64.resource_source.index;
1090 buffer += 1;
1091 365
1092 /* Copy the resource_source string */ 366 /* Set the Type-Specific Flags (Memory and I/O descriptors only) */
1093 367
1094 ACPI_STRCPY((char *)buffer, 368 if (resource->data.address.resource_type == ACPI_MEMORY_RANGE) {
1095 linked_list->data.address64.resource_source. 369 (void)acpi_rs_convert_resource_to_aml(resource, aml,
1096 string_ptr); 370 acpi_rs_convert_mem_flags);
371 } else if (resource->data.address.resource_type == ACPI_IO_RANGE) {
372 (void)acpi_rs_convert_resource_to_aml(resource, aml,
373 acpi_rs_convert_io_flags);
374 } else {
375 /* Generic resource type, just copy the type_specific byte */
1097 376
1098 /* 377 aml->address.specific_flags =
1099 * Buffer needs to be set to the length of the string + one for the 378 resource->data.address.info.type_specific;
1100 * terminating null
1101 */
1102 buffer +=
1103 (acpi_size) (ACPI_STRLEN
1104 (linked_list->data.address64.resource_source.
1105 string_ptr) + 1);
1106 } 379 }
1107
1108 /* Return the number of bytes consumed in this operation */
1109
1110 *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer);
1111
1112 /*
1113 * Set the length field to the number of bytes consumed
1114 * minus the header size (3 bytes)
1115 */
1116 *length_field = (u16) (*bytes_consumed - 3);
1117 return_ACPI_STATUS(AE_OK);
1118} 380}
diff --git a/drivers/acpi/resources/rscalc.c b/drivers/acpi/resources/rscalc.c
index 378f58390fc1..7d6481d9fbec 100644
--- a/drivers/acpi/resources/rscalc.c
+++ b/drivers/acpi/resources/rscalc.c
@@ -5,7 +5,7 @@
5 ******************************************************************************/ 5 ******************************************************************************/
6 6
7/* 7/*
8 * Copyright (C) 2000 - 2005, R. Byron Moore 8 * Copyright (C) 2000 - 2006, R. Byron Moore
9 * All rights reserved. 9 * All rights reserved.
10 * 10 *
11 * Redistribution and use in source and binary forms, with or without 11 * Redistribution and use in source and binary forms, with or without
@@ -49,652 +49,433 @@
49#define _COMPONENT ACPI_RESOURCES 49#define _COMPONENT ACPI_RESOURCES
50ACPI_MODULE_NAME("rscalc") 50ACPI_MODULE_NAME("rscalc")
51 51
52/* Local prototypes */
53static u8 acpi_rs_count_set_bits(u16 bit_field);
54
55static acpi_rs_length
56acpi_rs_struct_option_length(struct acpi_resource_source *resource_source);
57
58static u32
59acpi_rs_stream_option_length(u32 resource_length, u32 minimum_total_length);
60
52/******************************************************************************* 61/*******************************************************************************
53 * 62 *
54 * FUNCTION: acpi_rs_get_byte_stream_length 63 * FUNCTION: acpi_rs_count_set_bits
55 * 64 *
56 * PARAMETERS: linked_list - Pointer to the resource linked list 65 * PARAMETERS: bit_field - Field in which to count bits
57 * size_needed - u32 pointer of the size buffer needed
58 * to properly return the parsed data
59 * 66 *
60 * RETURN: Status 67 * RETURN: Number of bits set within the field
61 * 68 *
62 * DESCRIPTION: Takes the resource byte stream and parses it once, calculating 69 * DESCRIPTION: Count the number of bits set in a resource field. Used for
63 * the size buffer needed to hold the linked list that conveys 70 * (Short descriptor) interrupt and DMA lists.
64 * the resource data.
65 * 71 *
66 ******************************************************************************/ 72 ******************************************************************************/
67acpi_status
68acpi_rs_get_byte_stream_length(struct acpi_resource *linked_list,
69 acpi_size * size_needed)
70{
71 acpi_size byte_stream_size_needed = 0;
72 acpi_size segment_size;
73 u8 done = FALSE;
74
75 ACPI_FUNCTION_TRACE("rs_get_byte_stream_length");
76
77 while (!done) {
78 /* Init the variable that will hold the size to add to the total. */
79
80 segment_size = 0;
81
82 switch (linked_list->id) {
83 case ACPI_RSTYPE_IRQ:
84 /*
85 * IRQ Resource
86 * For an IRQ Resource, Byte 3, although optional, will always be
87 * created - it holds IRQ information.
88 */
89 segment_size = 4;
90 break;
91
92 case ACPI_RSTYPE_DMA:
93 /*
94 * DMA Resource
95 * For this resource the size is static
96 */
97 segment_size = 3;
98 break;
99
100 case ACPI_RSTYPE_START_DPF:
101 /*
102 * Start Dependent Functions Resource
103 * For a start_dependent_functions Resource, Byte 1, although
104 * optional, will always be created.
105 */
106 segment_size = 2;
107 break;
108
109 case ACPI_RSTYPE_END_DPF:
110 /*
111 * End Dependent Functions Resource
112 * For this resource the size is static
113 */
114 segment_size = 1;
115 break;
116
117 case ACPI_RSTYPE_IO:
118 /*
119 * IO Port Resource
120 * For this resource the size is static
121 */
122 segment_size = 8;
123 break;
124 73
125 case ACPI_RSTYPE_FIXED_IO: 74static u8 acpi_rs_count_set_bits(u16 bit_field)
126 /* 75{
127 * Fixed IO Port Resource 76 u8 bits_set;
128 * For this resource the size is static
129 */
130 segment_size = 4;
131 break;
132
133 case ACPI_RSTYPE_VENDOR:
134 /*
135 * Vendor Defined Resource
136 * For a Vendor Specific resource, if the Length is between 1 and 7
137 * it will be created as a Small Resource data type, otherwise it
138 * is a Large Resource data type.
139 */
140 if (linked_list->data.vendor_specific.length > 7) {
141 segment_size = 3;
142 } else {
143 segment_size = 1;
144 }
145 segment_size +=
146 linked_list->data.vendor_specific.length;
147 break;
148
149 case ACPI_RSTYPE_END_TAG:
150 /*
151 * End Tag
152 * For this resource the size is static
153 */
154 segment_size = 2;
155 done = TRUE;
156 break;
157
158 case ACPI_RSTYPE_MEM24:
159 /*
160 * 24-Bit Memory Resource
161 * For this resource the size is static
162 */
163 segment_size = 12;
164 break;
165 77
166 case ACPI_RSTYPE_MEM32: 78 ACPI_FUNCTION_ENTRY();
167 /*
168 * 32-Bit Memory Range Resource
169 * For this resource the size is static
170 */
171 segment_size = 20;
172 break;
173 79
174 case ACPI_RSTYPE_FIXED_MEM32: 80 for (bits_set = 0; bit_field; bits_set++) {
175 /* 81 /* Zero the least significant bit that is set */
176 * 32-Bit Fixed Memory Resource
177 * For this resource the size is static
178 */
179 segment_size = 12;
180 break;
181 82
182 case ACPI_RSTYPE_ADDRESS16: 83 bit_field &= (bit_field - 1);
183 /* 84 }
184 * 16-Bit Address Resource
185 * The base size of this byte stream is 16. If a Resource Source
186 * string is not NULL, add 1 for the Index + the length of the null
187 * terminated string Resource Source + 1 for the null.
188 */
189 segment_size = 16;
190
191 if (linked_list->data.address16.resource_source.
192 string_ptr) {
193 segment_size +=
194 linked_list->data.address16.resource_source.
195 string_length;
196 segment_size++;
197 }
198 break;
199 85
200 case ACPI_RSTYPE_ADDRESS32: 86 return (bits_set);
201 /* 87}
202 * 32-Bit Address Resource
203 * The base size of this byte stream is 26. If a Resource
204 * Source string is not NULL, add 1 for the Index + the
205 * length of the null terminated string Resource Source +
206 * 1 for the null.
207 */
208 segment_size = 26;
209
210 if (linked_list->data.address32.resource_source.
211 string_ptr) {
212 segment_size +=
213 linked_list->data.address32.resource_source.
214 string_length;
215 segment_size++;
216 }
217 break;
218 88
219 case ACPI_RSTYPE_ADDRESS64: 89/*******************************************************************************
220 /* 90 *
221 * 64-Bit Address Resource 91 * FUNCTION: acpi_rs_struct_option_length
222 * The base size of this byte stream is 46. If a resource_source 92 *
223 * string is not NULL, add 1 for the Index + the length of the null 93 * PARAMETERS: resource_source - Pointer to optional descriptor field
224 * terminated string Resource Source + 1 for the null. 94 *
225 */ 95 * RETURN: Status
226 segment_size = 46; 96 *
227 97 * DESCRIPTION: Common code to handle optional resource_source_index and
228 if (linked_list->data.address64.resource_source. 98 * resource_source fields in some Large descriptors. Used during
229 string_ptr) { 99 * list-to-stream conversion
230 segment_size += 100 *
231 linked_list->data.address64.resource_source. 101 ******************************************************************************/
232 string_length;
233 segment_size++;
234 }
235 break;
236 102
237 case ACPI_RSTYPE_EXT_IRQ: 103static acpi_rs_length
238 /* 104acpi_rs_struct_option_length(struct acpi_resource_source *resource_source)
239 * Extended IRQ Resource 105{
240 * The base size of this byte stream is 9. This is for an Interrupt 106 ACPI_FUNCTION_ENTRY();
241 * table length of 1. For each additional interrupt, add 4.
242 * If a Resource Source string is not NULL, add 1 for the
243 * Index + the length of the null terminated string
244 * Resource Source + 1 for the null.
245 */
246 segment_size = 9 + (((acpi_size)
247 linked_list->data.extended_irq.
248 number_of_interrupts - 1) * 4);
249
250 if (linked_list->data.extended_irq.resource_source.
251 string_ptr) {
252 segment_size +=
253 linked_list->data.extended_irq.
254 resource_source.string_length;
255 segment_size++;
256 }
257 break;
258 107
259 default: 108 /*
109 * If the resource_source string is valid, return the size of the string
110 * (string_length includes the NULL terminator) plus the size of the
111 * resource_source_index (1).
112 */
113 if (resource_source->string_ptr) {
114 return ((acpi_rs_length) (resource_source->string_length + 1));
115 }
260 116
261 /* If we get here, everything is out of sync, exit with error */ 117 return (0);
118}
262 119
263 return_ACPI_STATUS(AE_AML_INVALID_RESOURCE_TYPE); 120/*******************************************************************************
121 *
122 * FUNCTION: acpi_rs_stream_option_length
123 *
124 * PARAMETERS: resource_length - Length from the resource header
125 * minimum_total_length - Minimum length of this resource, before
126 * any optional fields. Includes header size
127 *
128 * RETURN: Length of optional string (0 if no string present)
129 *
130 * DESCRIPTION: Common code to handle optional resource_source_index and
131 * resource_source fields in some Large descriptors. Used during
132 * stream-to-list conversion
133 *
134 ******************************************************************************/
264 135
265 } /* switch (linked_list->Id) */ 136static u32
137acpi_rs_stream_option_length(u32 resource_length,
138 u32 minimum_aml_resource_length)
139{
140 u32 string_length = 0;
266 141
267 /* Update the total */ 142 ACPI_FUNCTION_ENTRY();
268 143
269 byte_stream_size_needed += segment_size; 144 /*
145 * The resource_source_index and resource_source are optional elements of some
146 * Large-type resource descriptors.
147 */
270 148
271 /* Point to the next object */ 149 /*
150 * If the length of the actual resource descriptor is greater than the ACPI
151 * spec-defined minimum length, it means that a resource_source_index exists
152 * and is followed by a (required) null terminated string. The string length
153 * (including the null terminator) is the resource length minus the minimum
154 * length, minus one byte for the resource_source_index itself.
155 */
156 if (resource_length > minimum_aml_resource_length) {
157 /* Compute the length of the optional string */
272 158
273 linked_list = ACPI_PTR_ADD(struct acpi_resource, 159 string_length =
274 linked_list, linked_list->length); 160 resource_length - minimum_aml_resource_length - 1;
275 } 161 }
276 162
277 /* This is the data the caller needs */ 163 /* Round up length to 32 bits for internal structure alignment */
278 164
279 *size_needed = byte_stream_size_needed; 165 return (ACPI_ROUND_UP_to_32_bITS(string_length));
280 return_ACPI_STATUS(AE_OK);
281} 166}
282 167
283/******************************************************************************* 168/*******************************************************************************
284 * 169 *
285 * FUNCTION: acpi_rs_get_list_length 170 * FUNCTION: acpi_rs_get_aml_length
286 * 171 *
287 * PARAMETERS: byte_stream_buffer - Pointer to the resource byte stream 172 * PARAMETERS: Resource - Pointer to the resource linked list
288 * byte_stream_buffer_length - Size of byte_stream_buffer 173 * size_needed - Where the required size is returned
289 * size_needed - u32 pointer of the size buffer
290 * needed to properly return the
291 * parsed data
292 * 174 *
293 * RETURN: Status 175 * RETURN: Status
294 * 176 *
295 * DESCRIPTION: Takes the resource byte stream and parses it once, calculating 177 * DESCRIPTION: Takes a linked list of internal resource descriptors and
296 * the size buffer needed to hold the linked list that conveys 178 * calculates the size buffer needed to hold the corresponding
297 * the resource data. 179 * external resource byte stream.
298 * 180 *
299 ******************************************************************************/ 181 ******************************************************************************/
300 182
301acpi_status 183acpi_status
302acpi_rs_get_list_length(u8 * byte_stream_buffer, 184acpi_rs_get_aml_length(struct acpi_resource * resource, acpi_size * size_needed)
303 u32 byte_stream_buffer_length, acpi_size * size_needed)
304{ 185{
305 u32 buffer_size = 0; 186 acpi_size aml_size_needed = 0;
306 u32 bytes_parsed = 0; 187 acpi_rs_length total_size;
307 u8 number_of_interrupts = 0;
308 u8 number_of_channels = 0;
309 u8 resource_type;
310 u32 structure_size;
311 u32 bytes_consumed;
312 u8 *buffer;
313 u8 temp8;
314 u16 temp16;
315 u8 index;
316 u8 additional_bytes;
317
318 ACPI_FUNCTION_TRACE("rs_get_list_length");
319 188
320 while (bytes_parsed < byte_stream_buffer_length) { 189 ACPI_FUNCTION_TRACE("rs_get_aml_length");
321 /* The next byte in the stream is the resource type */
322 190
323 resource_type = acpi_rs_get_resource_type(*byte_stream_buffer); 191 /* Traverse entire list of internal resource descriptors */
324 192
325 switch (resource_type) { 193 while (resource) {
326 case ACPI_RDESC_TYPE_MEMORY_24: 194 /* Validate the descriptor type */
327 /*
328 * 24-Bit Memory Resource
329 */
330 bytes_consumed = 12;
331
332 structure_size =
333 ACPI_SIZEOF_RESOURCE(struct acpi_resource_mem24);
334 break;
335 195
336 case ACPI_RDESC_TYPE_LARGE_VENDOR: 196 if (resource->type > ACPI_RESOURCE_TYPE_MAX) {
337 /* 197 return_ACPI_STATUS(AE_AML_INVALID_RESOURCE_TYPE);
338 * Vendor Defined Resource 198 }
339 */
340 buffer = byte_stream_buffer;
341 ++buffer;
342
343 ACPI_MOVE_16_TO_16(&temp16, buffer);
344 bytes_consumed = temp16 + 3;
345
346 /* Ensure a 32-bit boundary for the structure */
347 199
348 temp16 = (u16) ACPI_ROUND_UP_to_32_bITS(temp16); 200 /* Get the base size of the (external stream) resource descriptor */
349 201
350 structure_size = 202 total_size = acpi_gbl_aml_resource_sizes[resource->type];
351 ACPI_SIZEOF_RESOURCE(struct acpi_resource_vendor) +
352 (temp16 * sizeof(u8));
353 break;
354 203
355 case ACPI_RDESC_TYPE_MEMORY_32: 204 /*
205 * Augment the base size for descriptors with optional and/or
206 * variable-length fields
207 */
208 switch (resource->type) {
209 case ACPI_RESOURCE_TYPE_VENDOR:
356 /* 210 /*
357 * 32-Bit Memory Range Resource 211 * Vendor Defined Resource:
212 * For a Vendor Specific resource, if the Length is between 1 and 7
213 * it will be created as a Small Resource data type, otherwise it
214 * is a Large Resource data type.
358 */ 215 */
359 bytes_consumed = 20; 216 if (resource->data.vendor.byte_length > 7) {
217 /* Base size of a Large resource descriptor */
360 218
361 structure_size = 219 total_size =
362 ACPI_SIZEOF_RESOURCE(struct acpi_resource_mem32); 220 sizeof(struct aml_resource_large_header);
363 break; 221 }
364 222
365 case ACPI_RDESC_TYPE_FIXED_MEMORY_32: 223 /* Add the size of the vendor-specific data */
366 /*
367 * 32-Bit Fixed Memory Resource
368 */
369 bytes_consumed = 12;
370 224
371 structure_size = 225 total_size = (acpi_rs_length)
372 ACPI_SIZEOF_RESOURCE(struct 226 (total_size + resource->data.vendor.byte_length);
373 acpi_resource_fixed_mem32);
374 break; 227 break;
375 228
376 case ACPI_RDESC_TYPE_EXTENDED_ADDRESS_SPACE: 229 case ACPI_RESOURCE_TYPE_END_TAG:
377 /* 230 /*
378 * 64-Bit Address Resource 231 * End Tag:
232 * We are done -- return the accumulated total size.
379 */ 233 */
380 buffer = byte_stream_buffer; 234 *size_needed = aml_size_needed + total_size;
381 235
382 ++buffer; 236 /* Normal exit */
383 ACPI_MOVE_16_TO_16(&temp16, buffer);
384 237
385 bytes_consumed = temp16 + 3; 238 return_ACPI_STATUS(AE_OK);
386 structure_size =
387 ACPI_SIZEOF_RESOURCE(struct
388 acpi_resource_address64);
389 break;
390 239
391 case ACPI_RDESC_TYPE_QWORD_ADDRESS_SPACE: 240 case ACPI_RESOURCE_TYPE_ADDRESS16:
392 /* 241 /*
393 * 64-Bit Address Resource 242 * 16-Bit Address Resource:
243 * Add the size of the optional resource_source info
394 */ 244 */
395 buffer = byte_stream_buffer; 245 total_size = (acpi_rs_length)
396 246 (total_size +
397 ++buffer; 247 acpi_rs_struct_option_length(&resource->data.
398 ACPI_MOVE_16_TO_16(&temp16, buffer); 248 address16.
399 249 resource_source));
400 bytes_consumed = temp16 + 3; 250 break;
401 251
252 case ACPI_RESOURCE_TYPE_ADDRESS32:
402 /* 253 /*
403 * Resource Source Index and Resource Source are optional elements. 254 * 32-Bit Address Resource:
404 * Check the length of the Bytestream. If it is greater than 43, 255 * Add the size of the optional resource_source info
405 * that means that an Index exists and is followed by a null
406 * terminated string. Therefore, set the temp variable to the
407 * length minus the minimum byte stream length plus the byte for
408 * the Index to determine the size of the NULL terminated string.
409 */ 256 */
410 if (43 < temp16) { 257 total_size = (acpi_rs_length)
411 temp8 = (u8) (temp16 - 44); 258 (total_size +
412 } else { 259 acpi_rs_struct_option_length(&resource->data.
413 temp8 = 0; 260 address32.
414 } 261 resource_source));
415
416 /* Ensure a 64-bit boundary for the structure */
417
418 temp8 = (u8) ACPI_ROUND_UP_to_64_bITS(temp8);
419
420 structure_size =
421 ACPI_SIZEOF_RESOURCE(struct acpi_resource_address64)
422 + (temp8 * sizeof(u8));
423 break; 262 break;
424 263
425 case ACPI_RDESC_TYPE_DWORD_ADDRESS_SPACE: 264 case ACPI_RESOURCE_TYPE_ADDRESS64:
426 /* 265 /*
427 * 32-Bit Address Resource 266 * 64-Bit Address Resource:
267 * Add the size of the optional resource_source info
428 */ 268 */
429 buffer = byte_stream_buffer; 269 total_size = (acpi_rs_length)
430 270 (total_size +
431 ++buffer; 271 acpi_rs_struct_option_length(&resource->data.
432 ACPI_MOVE_16_TO_16(&temp16, buffer); 272 address64.
433 273 resource_source));
434 bytes_consumed = temp16 + 3; 274 break;
435 275
276 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
436 /* 277 /*
437 * Resource Source Index and Resource Source are optional elements. 278 * Extended IRQ Resource:
438 * Check the length of the Bytestream. If it is greater than 23, 279 * Add the size of each additional optional interrupt beyond the
439 * that means that an Index exists and is followed by a null 280 * required 1 (4 bytes for each u32 interrupt number)
440 * terminated string. Therefore, set the temp variable to the
441 * length minus the minimum byte stream length plus the byte for
442 * the Index to determine the size of the NULL terminated string.
443 */ 281 */
444 if (23 < temp16) { 282 total_size = (acpi_rs_length)
445 temp8 = (u8) (temp16 - 24); 283 (total_size +
446 } else { 284 ((resource->data.extended_irq.interrupt_count -
447 temp8 = 0; 285 1) * 4) +
448 } 286 /* Add the size of the optional resource_source info */
449 287 acpi_rs_struct_option_length(&resource->data.
450 /* Ensure a 32-bit boundary for the structure */ 288 extended_irq.
451 289 resource_source));
452 temp8 = (u8) ACPI_ROUND_UP_to_32_bITS(temp8); 290 break;
453 291
454 structure_size = 292 default:
455 ACPI_SIZEOF_RESOURCE(struct acpi_resource_address32)
456 + (temp8 * sizeof(u8));
457 break; 293 break;
294 }
458 295
459 case ACPI_RDESC_TYPE_WORD_ADDRESS_SPACE: 296 /* Update the total */
460 /*
461 * 16-Bit Address Resource
462 */
463 buffer = byte_stream_buffer;
464 297
465 ++buffer; 298 aml_size_needed += total_size;
466 ACPI_MOVE_16_TO_16(&temp16, buffer);
467 299
468 bytes_consumed = temp16 + 3; 300 /* Point to the next object */
469 301
470 /* 302 resource =
471 * Resource Source Index and Resource Source are optional elements. 303 ACPI_ADD_PTR(struct acpi_resource, resource,
472 * Check the length of the Bytestream. If it is greater than 13, 304 resource->length);
473 * that means that an Index exists and is followed by a null 305 }
474 * terminated string. Therefore, set the temp variable to the
475 * length minus the minimum byte stream length plus the byte for
476 * the Index to determine the size of the NULL terminated string.
477 */
478 if (13 < temp16) {
479 temp8 = (u8) (temp16 - 14);
480 } else {
481 temp8 = 0;
482 }
483 306
484 /* Ensure a 32-bit boundary for the structure */ 307 /* Did not find an end_tag resource descriptor */
485 308
486 temp8 = (u8) ACPI_ROUND_UP_to_32_bITS(temp8); 309 return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG);
310}
487 311
488 structure_size = 312/*******************************************************************************
489 ACPI_SIZEOF_RESOURCE(struct acpi_resource_address16) 313 *
490 + (temp8 * sizeof(u8)); 314 * FUNCTION: acpi_rs_get_list_length
491 break; 315 *
316 * PARAMETERS: aml_buffer - Pointer to the resource byte stream
317 * aml_buffer_length - Size of aml_buffer
318 * size_needed - Where the size needed is returned
319 *
320 * RETURN: Status
321 *
322 * DESCRIPTION: Takes an external resource byte stream and calculates the size
323 * buffer needed to hold the corresponding internal resource
324 * descriptor linked list.
325 *
326 ******************************************************************************/
492 327
493 case ACPI_RDESC_TYPE_EXTENDED_XRUPT: 328acpi_status
494 /* 329acpi_rs_get_list_length(u8 * aml_buffer,
495 * Extended IRQ 330 u32 aml_buffer_length, acpi_size * size_needed)
496 */ 331{
497 buffer = byte_stream_buffer; 332 acpi_status status;
333 u8 *end_aml;
334 u8 *buffer;
335 u32 buffer_size = 0;
336 u16 temp16;
337 u16 resource_length;
338 u32 extra_struct_bytes;
339 u8 resource_index;
340 u8 minimum_aml_resource_length;
498 341
499 ++buffer; 342 ACPI_FUNCTION_TRACE("rs_get_list_length");
500 ACPI_MOVE_16_TO_16(&temp16, buffer);
501 343
502 bytes_consumed = temp16 + 3; 344 end_aml = aml_buffer + aml_buffer_length;
503 345
504 /* 346 /* Walk the list of AML resource descriptors */
505 * Point past the length field and the Interrupt vector flags to
506 * save off the Interrupt table length to the Temp8 variable.
507 */
508 buffer += 3;
509 temp8 = *buffer;
510 347
511 /* 348 while (aml_buffer < end_aml) {
512 * To compensate for multiple interrupt numbers, add 4 bytes for 349 /* Validate the Resource Type and Resource Length */
513 * each additional interrupts greater than 1
514 */
515 additional_bytes = (u8) ((temp8 - 1) * 4);
516 350
517 /* 351 status = acpi_ut_validate_resource(aml_buffer, &resource_index);
518 * Resource Source Index and Resource Source are optional elements. 352 if (ACPI_FAILURE(status)) {
519 * Check the length of the Bytestream. If it is greater than 9, 353 return_ACPI_STATUS(status);
520 * that means that an Index exists and is followed by a null 354 }
521 * terminated string. Therefore, set the temp variable to the
522 * length minus the minimum byte stream length plus the byte for
523 * the Index to determine the size of the NULL terminated string.
524 */
525 if (9 + additional_bytes < temp16) {
526 temp8 = (u8) (temp16 - (9 + additional_bytes));
527 } else {
528 temp8 = 0;
529 }
530 355
531 /* Ensure a 32-bit boundary for the structure */ 356 /* Get the resource length and base (minimum) AML size */
532 357
533 temp8 = (u8) ACPI_ROUND_UP_to_32_bITS(temp8); 358 resource_length = acpi_ut_get_resource_length(aml_buffer);
359 minimum_aml_resource_length =
360 acpi_gbl_resource_aml_sizes[resource_index];
534 361
535 structure_size = 362 /*
536 ACPI_SIZEOF_RESOURCE(struct acpi_resource_ext_irq) + 363 * Augment the size for descriptors with optional
537 (additional_bytes * sizeof(u8)) + 364 * and/or variable length fields
538 (temp8 * sizeof(u8)); 365 */
539 break; 366 extra_struct_bytes = 0;
367 buffer =
368 aml_buffer + acpi_ut_get_resource_header_length(aml_buffer);
540 369
541 case ACPI_RDESC_TYPE_IRQ_FORMAT: 370 switch (acpi_ut_get_resource_type(aml_buffer)) {
371 case ACPI_RESOURCE_NAME_IRQ:
542 /* 372 /*
543 * IRQ Resource. 373 * IRQ Resource:
544 * Determine if it there are two or three trailing bytes 374 * Get the number of bits set in the 16-bit IRQ mask
545 */ 375 */
546 buffer = byte_stream_buffer;
547 temp8 = *buffer;
548
549 if (temp8 & 0x01) {
550 bytes_consumed = 4;
551 } else {
552 bytes_consumed = 3;
553 }
554
555 /* Point past the descriptor */
556
557 ++buffer;
558
559 /* Look at the number of bits set */
560
561 ACPI_MOVE_16_TO_16(&temp16, buffer); 376 ACPI_MOVE_16_TO_16(&temp16, buffer);
562 377 extra_struct_bytes = acpi_rs_count_set_bits(temp16);
563 for (index = 0; index < 16; index++) {
564 if (temp16 & 0x1) {
565 ++number_of_interrupts;
566 }
567
568 temp16 >>= 1;
569 }
570
571 structure_size =
572 ACPI_SIZEOF_RESOURCE(struct acpi_resource_io) +
573 (number_of_interrupts * sizeof(u32));
574 break; 378 break;
575 379
576 case ACPI_RDESC_TYPE_DMA_FORMAT: 380 case ACPI_RESOURCE_NAME_DMA:
577 /* 381 /*
578 * DMA Resource 382 * DMA Resource:
383 * Get the number of bits set in the 8-bit DMA mask
579 */ 384 */
580 buffer = byte_stream_buffer; 385 extra_struct_bytes = acpi_rs_count_set_bits(*buffer);
581 bytes_consumed = 3;
582
583 /* Point past the descriptor */
584
585 ++buffer;
586
587 /* Look at the number of bits set */
588
589 temp8 = *buffer;
590
591 for (index = 0; index < 8; index++) {
592 if (temp8 & 0x1) {
593 ++number_of_channels;
594 }
595
596 temp8 >>= 1;
597 }
598
599 structure_size =
600 ACPI_SIZEOF_RESOURCE(struct acpi_resource_dma) +
601 (number_of_channels * sizeof(u32));
602 break; 386 break;
603 387
604 case ACPI_RDESC_TYPE_START_DEPENDENT: 388 case ACPI_RESOURCE_NAME_VENDOR_SMALL:
605 /* 389 /*
606 * Start Dependent Functions Resource 390 * Vendor Resource:
607 * Determine if it there are two or three trailing bytes 391 * Ensure a 32-bit boundary for the structure
608 */ 392 */
609 buffer = byte_stream_buffer; 393 extra_struct_bytes =
610 temp8 = *buffer; 394 ACPI_ROUND_UP_to_32_bITS(resource_length) -
611 395 resource_length;
612 if (temp8 & 0x01) {
613 bytes_consumed = 2;
614 } else {
615 bytes_consumed = 1;
616 }
617
618 structure_size =
619 ACPI_SIZEOF_RESOURCE(struct
620 acpi_resource_start_dpf);
621 break; 396 break;
622 397
623 case ACPI_RDESC_TYPE_END_DEPENDENT: 398 case ACPI_RESOURCE_NAME_END_TAG:
624 /* 399 /*
625 * End Dependent Functions Resource 400 * End Tag: This is the normal exit, add size of end_tag
626 */ 401 */
627 bytes_consumed = 1; 402 *size_needed = buffer_size + ACPI_RS_SIZE_MIN;
628 structure_size = ACPI_RESOURCE_LENGTH; 403 return_ACPI_STATUS(AE_OK);
629 break;
630 404
631 case ACPI_RDESC_TYPE_IO_PORT: 405 case ACPI_RESOURCE_NAME_VENDOR_LARGE:
632 /* 406 /*
633 * IO Port Resource 407 * Vendor Resource:
408 * Add vendor data and ensure a 32-bit boundary for the structure
634 */ 409 */
635 bytes_consumed = 8; 410 extra_struct_bytes =
636 structure_size = 411 ACPI_ROUND_UP_to_32_bITS(resource_length) -
637 ACPI_SIZEOF_RESOURCE(struct acpi_resource_io); 412 resource_length;
638 break; 413 break;
639 414
640 case ACPI_RDESC_TYPE_FIXED_IO_PORT: 415 case ACPI_RESOURCE_NAME_ADDRESS32:
416 case ACPI_RESOURCE_NAME_ADDRESS16:
641 /* 417 /*
642 * Fixed IO Port Resource 418 * 32-Bit or 16-bit Address Resource:
419 * Add the size of any optional data (resource_source)
643 */ 420 */
644 bytes_consumed = 4; 421 extra_struct_bytes =
645 structure_size = 422 acpi_rs_stream_option_length(resource_length,
646 ACPI_SIZEOF_RESOURCE(struct acpi_resource_fixed_io); 423 minimum_aml_resource_length);
647 break; 424 break;
648 425
649 case ACPI_RDESC_TYPE_SMALL_VENDOR: 426 case ACPI_RESOURCE_NAME_EXTENDED_IRQ:
650 /* 427 /*
651 * Vendor Specific Resource 428 * Extended IRQ:
429 * Point past the interrupt_vector_flags to get the
430 * interrupt_table_length.
652 */ 431 */
653 buffer = byte_stream_buffer; 432 buffer++;
654 433
655 temp8 = *buffer; 434 extra_struct_bytes =
656 temp8 = (u8) (temp8 & 0x7); 435 /*
657 bytes_consumed = temp8 + 1; 436 * Add 4 bytes for each additional interrupt. Note: at
658 437 * least one interrupt is required and is included in
659 /* Ensure a 32-bit boundary for the structure */ 438 * the minimum descriptor size
660 439 */
661 temp8 = (u8) ACPI_ROUND_UP_to_32_bITS(temp8); 440 ((*buffer - 1) * sizeof(u32)) +
662 structure_size = 441 /* Add the size of any optional data (resource_source) */
663 ACPI_SIZEOF_RESOURCE(struct acpi_resource_vendor) + 442 acpi_rs_stream_option_length(resource_length -
664 (temp8 * sizeof(u8)); 443 extra_struct_bytes,
444 minimum_aml_resource_length);
665 break; 445 break;
666 446
667 case ACPI_RDESC_TYPE_END_TAG: 447 case ACPI_RESOURCE_NAME_ADDRESS64:
668 /* 448 /*
669 * End Tag 449 * 64-Bit Address Resource:
450 * Add the size of any optional data (resource_source)
451 * Ensure a 64-bit boundary for the structure
670 */ 452 */
671 bytes_consumed = 2; 453 extra_struct_bytes =
672 structure_size = ACPI_RESOURCE_LENGTH; 454 ACPI_ROUND_UP_to_64_bITS
673 byte_stream_buffer_length = bytes_parsed; 455 (acpi_rs_stream_option_length
456 (resource_length, minimum_aml_resource_length));
674 break; 457 break;
675 458
676 default: 459 default:
677 /* 460 break;
678 * If we get here, everything is out of sync,
679 * exit with an error
680 */
681 return_ACPI_STATUS(AE_AML_INVALID_RESOURCE_TYPE);
682 } 461 }
683 462
684 /* Update the return value and counter */ 463 /* Update the required buffer size for the internal descriptor structs */
685
686 buffer_size += (u32) ACPI_ALIGN_RESOURCE_SIZE(structure_size);
687 bytes_parsed += bytes_consumed;
688 464
689 /* Set the byte stream to point to the next resource */ 465 temp16 = (u16) (acpi_gbl_resource_struct_sizes[resource_index] +
466 extra_struct_bytes);
467 buffer_size += (u32) ACPI_ROUND_UP_TO_NATIVE_WORD(temp16);
690 468
691 byte_stream_buffer += bytes_consumed; 469 /*
470 * Point to the next resource within the stream
471 * using the size of the header plus the length contained in the header
472 */
473 aml_buffer += acpi_ut_get_descriptor_length(aml_buffer);
692 } 474 }
693 475
694 /* This is the data the caller needs */ 476 /* Did not find an end_tag resource descriptor */
695 477
696 *size_needed = buffer_size; 478 return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG);
697 return_ACPI_STATUS(AE_OK);
698} 479}
699 480
700/******************************************************************************* 481/*******************************************************************************
@@ -760,13 +541,13 @@ acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
760 541
761 for (table_index = 0; table_index < 4 && !name_found; 542 for (table_index = 0; table_index < 4 && !name_found;
762 table_index++) { 543 table_index++) {
763 if ((ACPI_TYPE_STRING == 544 if (*sub_object_list && /* Null object allowed */
764 ACPI_GET_OBJECT_TYPE(*sub_object_list)) 545 ((ACPI_TYPE_STRING ==
765 || 546 ACPI_GET_OBJECT_TYPE(*sub_object_list)) ||
766 ((ACPI_TYPE_LOCAL_REFERENCE == 547 ((ACPI_TYPE_LOCAL_REFERENCE ==
767 ACPI_GET_OBJECT_TYPE(*sub_object_list)) 548 ACPI_GET_OBJECT_TYPE(*sub_object_list)) &&
768 && ((*sub_object_list)->reference.opcode == 549 ((*sub_object_list)->reference.opcode ==
769 AML_INT_NAMEPATH_OP))) { 550 AML_INT_NAMEPATH_OP)))) {
770 name_found = TRUE; 551 name_found = TRUE;
771 } else { 552 } else {
772 /* Look at the next element */ 553 /* Look at the next element */
diff --git a/drivers/acpi/resources/rscreate.c b/drivers/acpi/resources/rscreate.c
index 0911526b7ad8..8c128dea3252 100644
--- a/drivers/acpi/resources/rscreate.c
+++ b/drivers/acpi/resources/rscreate.c
@@ -5,7 +5,7 @@
5 ******************************************************************************/ 5 ******************************************************************************/
6 6
7/* 7/*
8 * Copyright (C) 2000 - 2005, R. Byron Moore 8 * Copyright (C) 2000 - 2006, R. Byron Moore
9 * All rights reserved. 9 * All rights reserved.
10 * 10 *
11 * Redistribution and use in source and binary forms, with or without 11 * Redistribution and use in source and binary forms, with or without
@@ -53,10 +53,10 @@ ACPI_MODULE_NAME("rscreate")
53 * 53 *
54 * FUNCTION: acpi_rs_create_resource_list 54 * FUNCTION: acpi_rs_create_resource_list
55 * 55 *
56 * PARAMETERS: byte_stream_buffer - Pointer to the resource byte stream 56 * PARAMETERS: aml_buffer - Pointer to the resource byte stream
57 * output_buffer - Pointer to the user's buffer 57 * output_buffer - Pointer to the user's buffer
58 * 58 *
59 * RETURN: Status - AE_OK if okay, else a valid acpi_status code 59 * RETURN: Status: AE_OK if okay, else a valid acpi_status code
60 * If output_buffer is not large enough, output_buffer_length 60 * If output_buffer is not large enough, output_buffer_length
61 * indicates how large output_buffer should be, else it 61 * indicates how large output_buffer should be, else it
62 * indicates how may u8 elements of output_buffer are valid. 62 * indicates how may u8 elements of output_buffer are valid.
@@ -67,33 +67,30 @@ ACPI_MODULE_NAME("rscreate")
67 * 67 *
68 ******************************************************************************/ 68 ******************************************************************************/
69acpi_status 69acpi_status
70acpi_rs_create_resource_list(union acpi_operand_object *byte_stream_buffer, 70acpi_rs_create_resource_list(union acpi_operand_object *aml_buffer,
71 struct acpi_buffer *output_buffer) 71 struct acpi_buffer *output_buffer)
72{ 72{
73 73
74 acpi_status status; 74 acpi_status status;
75 u8 *byte_stream_start; 75 u8 *aml_start;
76 acpi_size list_size_needed = 0; 76 acpi_size list_size_needed = 0;
77 u32 byte_stream_buffer_length; 77 u32 aml_buffer_length;
78 78
79 ACPI_FUNCTION_TRACE("rs_create_resource_list"); 79 ACPI_FUNCTION_TRACE("rs_create_resource_list");
80 80
81 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "byte_stream_buffer = %p\n", 81 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "aml_buffer = %p\n", aml_buffer));
82 byte_stream_buffer));
83 82
84 /* Params already validated, so we don't re-validate here */ 83 /* Params already validated, so we don't re-validate here */
85 84
86 byte_stream_buffer_length = byte_stream_buffer->buffer.length; 85 aml_buffer_length = aml_buffer->buffer.length;
87 byte_stream_start = byte_stream_buffer->buffer.pointer; 86 aml_start = aml_buffer->buffer.pointer;
88 87
89 /* 88 /*
90 * Pass the byte_stream_buffer into a module that can calculate 89 * Pass the aml_buffer into a module that can calculate
91 * the buffer size needed for the linked list 90 * the buffer size needed for the linked list
92 */ 91 */
93 status = 92 status = acpi_rs_get_list_length(aml_start, aml_buffer_length,
94 acpi_rs_get_list_length(byte_stream_start, 93 &list_size_needed);
95 byte_stream_buffer_length,
96 &list_size_needed);
97 94
98 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Status=%X list_size_needed=%X\n", 95 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Status=%X list_size_needed=%X\n",
99 status, (u32) list_size_needed)); 96 status, (u32) list_size_needed));
@@ -110,10 +107,8 @@ acpi_rs_create_resource_list(union acpi_operand_object *byte_stream_buffer,
110 107
111 /* Do the conversion */ 108 /* Do the conversion */
112 109
113 status = 110 status = acpi_rs_convert_aml_to_resources(aml_start, aml_buffer_length,
114 acpi_rs_byte_stream_to_list(byte_stream_start, 111 output_buffer->pointer);
115 byte_stream_buffer_length,
116 output_buffer->pointer);
117 if (ACPI_FAILURE(status)) { 112 if (ACPI_FAILURE(status)) {
118 return_ACPI_STATUS(status); 113 return_ACPI_STATUS(status);
119 } 114 }
@@ -212,21 +207,20 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
212 /* Each element of the top-level package must also be a package */ 207 /* Each element of the top-level package must also be a package */
213 208
214 if (ACPI_GET_OBJECT_TYPE(*top_object_list) != ACPI_TYPE_PACKAGE) { 209 if (ACPI_GET_OBJECT_TYPE(*top_object_list) != ACPI_TYPE_PACKAGE) {
215 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 210 ACPI_ERROR((AE_INFO,
216 "(PRT[%X]) Need sub-package, found %s\n", 211 "(PRT[%X]) Need sub-package, found %s",
217 index, 212 index,
218 acpi_ut_get_object_type_name 213 acpi_ut_get_object_type_name
219 (*top_object_list))); 214 (*top_object_list)));
220 return_ACPI_STATUS(AE_AML_OPERAND_TYPE); 215 return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
221 } 216 }
222 217
223 /* Each sub-package must be of length 4 */ 218 /* Each sub-package must be of length 4 */
224 219
225 if ((*top_object_list)->package.count != 4) { 220 if ((*top_object_list)->package.count != 4) {
226 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 221 ACPI_ERROR((AE_INFO,
227 "(PRT[%X]) Need package of length 4, found length %d\n", 222 "(PRT[%X]) Need package of length 4, found length %d",
228 index, 223 index, (*top_object_list)->package.count));
229 (*top_object_list)->package.count));
230 return_ACPI_STATUS(AE_AML_PACKAGE_LIMIT); 224 return_ACPI_STATUS(AE_AML_PACKAGE_LIMIT);
231 } 225 }
232 226
@@ -243,11 +237,10 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
243 if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) { 237 if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
244 user_prt->address = obj_desc->integer.value; 238 user_prt->address = obj_desc->integer.value;
245 } else { 239 } else {
246 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 240 ACPI_ERROR((AE_INFO,
247 "(PRT[%X].Address) Need Integer, found %s\n", 241 "(PRT[%X].Address) Need Integer, found %s",
248 index, 242 index,
249 acpi_ut_get_object_type_name 243 acpi_ut_get_object_type_name(obj_desc)));
250 (obj_desc)));
251 return_ACPI_STATUS(AE_BAD_DATA); 244 return_ACPI_STATUS(AE_BAD_DATA);
252 } 245 }
253 246
@@ -257,76 +250,83 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
257 if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) { 250 if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
258 user_prt->pin = (u32) obj_desc->integer.value; 251 user_prt->pin = (u32) obj_desc->integer.value;
259 } else { 252 } else {
260 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 253 ACPI_ERROR((AE_INFO,
261 "(PRT[%X].Pin) Need Integer, found %s\n", 254 "(PRT[%X].Pin) Need Integer, found %s",
262 index, 255 index,
263 acpi_ut_get_object_type_name 256 acpi_ut_get_object_type_name(obj_desc)));
264 (obj_desc)));
265 return_ACPI_STATUS(AE_BAD_DATA); 257 return_ACPI_STATUS(AE_BAD_DATA);
266 } 258 }
267 259
268 /* 3) Third subobject: Dereference the PRT.source_name */ 260 /*
269 261 * 3) Third subobject: Dereference the PRT.source_name
262 * The name may be unresolved (slack mode), so allow a null object
263 */
270 obj_desc = sub_object_list[2]; 264 obj_desc = sub_object_list[2];
271 switch (ACPI_GET_OBJECT_TYPE(obj_desc)) { 265 if (obj_desc) {
272 case ACPI_TYPE_LOCAL_REFERENCE: 266 switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
273 267 case ACPI_TYPE_LOCAL_REFERENCE:
274 if (obj_desc->reference.opcode != AML_INT_NAMEPATH_OP) { 268
275 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 269 if (obj_desc->reference.opcode !=
276 "(PRT[%X].Source) Need name, found reference op %X\n", 270 AML_INT_NAMEPATH_OP) {
277 index, 271 ACPI_ERROR((AE_INFO,
278 obj_desc->reference.opcode)); 272 "(PRT[%X].Source) Need name, found reference op %X",
273 index,
274 obj_desc->reference.
275 opcode));
276 return_ACPI_STATUS(AE_BAD_DATA);
277 }
278
279 node = obj_desc->reference.node;
280
281 /* Use *remaining* length of the buffer as max for pathname */
282
283 path_buffer.length = output_buffer->length -
284 (u32) ((u8 *) user_prt->source -
285 (u8 *) output_buffer->pointer);
286 path_buffer.pointer = user_prt->source;
287
288 status =
289 acpi_ns_handle_to_pathname((acpi_handle)
290 node,
291 &path_buffer);
292
293 /* +1 to include null terminator */
294
295 user_prt->length +=
296 (u32) ACPI_STRLEN(user_prt->source) + 1;
297 break;
298
299 case ACPI_TYPE_STRING:
300
301 ACPI_STRCPY(user_prt->source,
302 obj_desc->string.pointer);
303
304 /*
305 * Add to the Length field the length of the string
306 * (add 1 for terminator)
307 */
308 user_prt->length += obj_desc->string.length + 1;
309 break;
310
311 case ACPI_TYPE_INTEGER:
312 /*
313 * If this is a number, then the Source Name is NULL, since the
314 * entire buffer was zeroed out, we can leave this alone.
315 *
316 * Add to the Length field the length of the u32 NULL
317 */
318 user_prt->length += sizeof(u32);
319 break;
320
321 default:
322
323 ACPI_ERROR((AE_INFO,
324 "(PRT[%X].Source) Need Ref/String/Integer, found %s",
325 index,
326 acpi_ut_get_object_type_name
327 (obj_desc)));
279 return_ACPI_STATUS(AE_BAD_DATA); 328 return_ACPI_STATUS(AE_BAD_DATA);
280 } 329 }
281
282 node = obj_desc->reference.node;
283
284 /* Use *remaining* length of the buffer as max for pathname */
285
286 path_buffer.length = output_buffer->length -
287 (u32) ((u8 *) user_prt->source -
288 (u8 *) output_buffer->pointer);
289 path_buffer.pointer = user_prt->source;
290
291 status =
292 acpi_ns_handle_to_pathname((acpi_handle) node,
293 &path_buffer);
294
295 /* +1 to include null terminator */
296
297 user_prt->length +=
298 (u32) ACPI_STRLEN(user_prt->source) + 1;
299 break;
300
301 case ACPI_TYPE_STRING:
302
303 ACPI_STRCPY(user_prt->source, obj_desc->string.pointer);
304
305 /*
306 * Add to the Length field the length of the string
307 * (add 1 for terminator)
308 */
309 user_prt->length += obj_desc->string.length + 1;
310 break;
311
312 case ACPI_TYPE_INTEGER:
313 /*
314 * If this is a number, then the Source Name is NULL, since the
315 * entire buffer was zeroed out, we can leave this alone.
316 *
317 * Add to the Length field the length of the u32 NULL
318 */
319 user_prt->length += sizeof(u32);
320 break;
321
322 default:
323
324 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
325 "(PRT[%X].Source) Need Ref/String/Integer, found %s\n",
326 index,
327 acpi_ut_get_object_type_name
328 (obj_desc)));
329 return_ACPI_STATUS(AE_BAD_DATA);
330 } 330 }
331 331
332 /* Now align the current length */ 332 /* Now align the current length */
@@ -340,11 +340,10 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
340 if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) { 340 if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
341 user_prt->source_index = (u32) obj_desc->integer.value; 341 user_prt->source_index = (u32) obj_desc->integer.value;
342 } else { 342 } else {
343 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 343 ACPI_ERROR((AE_INFO,
344 "(PRT[%X].source_index) Need Integer, found %s\n", 344 "(PRT[%X].source_index) Need Integer, found %s",
345 index, 345 index,
346 acpi_ut_get_object_type_name 346 acpi_ut_get_object_type_name(obj_desc)));
347 (obj_desc)));
348 return_ACPI_STATUS(AE_BAD_DATA); 347 return_ACPI_STATUS(AE_BAD_DATA);
349 } 348 }
350 349
@@ -360,7 +359,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
360 359
361/******************************************************************************* 360/*******************************************************************************
362 * 361 *
363 * FUNCTION: acpi_rs_create_byte_stream 362 * FUNCTION: acpi_rs_create_aml_resources
364 * 363 *
365 * PARAMETERS: linked_list_buffer - Pointer to the resource linked list 364 * PARAMETERS: linked_list_buffer - Pointer to the resource linked list
366 * output_buffer - Pointer to the user's buffer 365 * output_buffer - Pointer to the user's buffer
@@ -377,13 +376,13 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
377 ******************************************************************************/ 376 ******************************************************************************/
378 377
379acpi_status 378acpi_status
380acpi_rs_create_byte_stream(struct acpi_resource *linked_list_buffer, 379acpi_rs_create_aml_resources(struct acpi_resource *linked_list_buffer,
381 struct acpi_buffer *output_buffer) 380 struct acpi_buffer *output_buffer)
382{ 381{
383 acpi_status status; 382 acpi_status status;
384 acpi_size byte_stream_size_needed = 0; 383 acpi_size aml_size_needed = 0;
385 384
386 ACPI_FUNCTION_TRACE("rs_create_byte_stream"); 385 ACPI_FUNCTION_TRACE("rs_create_aml_resources");
387 386
388 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "linked_list_buffer = %p\n", 387 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "linked_list_buffer = %p\n",
389 linked_list_buffer)); 388 linked_list_buffer));
@@ -394,11 +393,10 @@ acpi_rs_create_byte_stream(struct acpi_resource *linked_list_buffer,
394 * Pass the linked_list_buffer into a module that calculates 393 * Pass the linked_list_buffer into a module that calculates
395 * the buffer size needed for the byte stream. 394 * the buffer size needed for the byte stream.
396 */ 395 */
397 status = acpi_rs_get_byte_stream_length(linked_list_buffer, 396 status = acpi_rs_get_aml_length(linked_list_buffer, &aml_size_needed);
398 &byte_stream_size_needed);
399 397
400 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "byte_stream_size_needed=%X, %s\n", 398 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "aml_size_needed=%X, %s\n",
401 (u32) byte_stream_size_needed, 399 (u32) aml_size_needed,
402 acpi_format_exception(status))); 400 acpi_format_exception(status)));
403 if (ACPI_FAILURE(status)) { 401 if (ACPI_FAILURE(status)) {
404 return_ACPI_STATUS(status); 402 return_ACPI_STATUS(status);
@@ -406,8 +404,7 @@ acpi_rs_create_byte_stream(struct acpi_resource *linked_list_buffer,
406 404
407 /* Validate/Allocate/Clear caller buffer */ 405 /* Validate/Allocate/Clear caller buffer */
408 406
409 status = 407 status = acpi_ut_initialize_buffer(output_buffer, aml_size_needed);
410 acpi_ut_initialize_buffer(output_buffer, byte_stream_size_needed);
411 if (ACPI_FAILURE(status)) { 408 if (ACPI_FAILURE(status)) {
412 return_ACPI_STATUS(status); 409 return_ACPI_STATUS(status);
413 } 410 }
@@ -415,9 +412,9 @@ acpi_rs_create_byte_stream(struct acpi_resource *linked_list_buffer,
415 /* Do the conversion */ 412 /* Do the conversion */
416 413
417 status = 414 status =
418 acpi_rs_list_to_byte_stream(linked_list_buffer, 415 acpi_rs_convert_resources_to_aml(linked_list_buffer,
419 byte_stream_size_needed, 416 aml_size_needed,
420 output_buffer->pointer); 417 output_buffer->pointer);
421 if (ACPI_FAILURE(status)) { 418 if (ACPI_FAILURE(status)) {
422 return_ACPI_STATUS(status); 419 return_ACPI_STATUS(status);
423 } 420 }
diff --git a/drivers/acpi/resources/rsdump.c b/drivers/acpi/resources/rsdump.c
index 75bd34d1783f..e7de061cf883 100644
--- a/drivers/acpi/resources/rsdump.c
+++ b/drivers/acpi/resources/rsdump.c
@@ -5,7 +5,7 @@
5 ******************************************************************************/ 5 ******************************************************************************/
6 6
7/* 7/*
8 * Copyright (C) 2000 - 2005, R. Byron Moore 8 * Copyright (C) 2000 - 2006, R. Byron Moore
9 * All rights reserved. 9 * All rights reserved.
10 * 10 *
11 * Redistribution and use in source and binary forms, with or without 11 * Redistribution and use in source and binary forms, with or without
@@ -49,1063 +49,720 @@ ACPI_MODULE_NAME("rsdump")
49 49
50#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) 50#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
51/* Local prototypes */ 51/* Local prototypes */
52static void acpi_rs_dump_irq(union acpi_resource_data *data); 52static void acpi_rs_out_string(char *title, char *value);
53 53
54static void acpi_rs_dump_address16(union acpi_resource_data *data); 54static void acpi_rs_out_integer8(char *title, u8 value);
55 55
56static void acpi_rs_dump_address32(union acpi_resource_data *data); 56static void acpi_rs_out_integer16(char *title, u16 value);
57 57
58static void acpi_rs_dump_address64(union acpi_resource_data *data); 58static void acpi_rs_out_integer32(char *title, u32 value);
59 59
60static void acpi_rs_dump_dma(union acpi_resource_data *data); 60static void acpi_rs_out_integer64(char *title, u64 value);
61 61
62static void acpi_rs_dump_io(union acpi_resource_data *data); 62static void acpi_rs_out_title(char *title);
63 63
64static void acpi_rs_dump_extended_irq(union acpi_resource_data *data); 64static void acpi_rs_dump_byte_list(u16 length, u8 * data);
65 65
66static void acpi_rs_dump_fixed_io(union acpi_resource_data *data); 66static void acpi_rs_dump_dword_list(u8 length, u32 * data);
67 67
68static void acpi_rs_dump_fixed_memory32(union acpi_resource_data *data); 68static void acpi_rs_dump_short_byte_list(u8 length, u8 * data);
69 69
70static void acpi_rs_dump_memory24(union acpi_resource_data *data); 70static void
71acpi_rs_dump_resource_source(struct acpi_resource_source *resource_source);
71 72
72static void acpi_rs_dump_memory32(union acpi_resource_data *data); 73static void acpi_rs_dump_address_common(union acpi_resource_data *resource);
73 74
74static void acpi_rs_dump_start_depend_fns(union acpi_resource_data *data); 75static void
76acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table);
75 77
76static void acpi_rs_dump_vendor_specific(union acpi_resource_data *data); 78#define ACPI_RSD_OFFSET(f) (u8) ACPI_OFFSET (union acpi_resource_data,f)
79#define ACPI_PRT_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_pci_routing_table,f)
80#define ACPI_RSD_TABLE_SIZE(name) (sizeof(name) / sizeof (struct acpi_rsdump_info))
77 81
78/******************************************************************************* 82/*******************************************************************************
79 * 83 *
80 * FUNCTION: acpi_rs_dump_irq 84 * Resource Descriptor info tables
81 * 85 *
82 * PARAMETERS: Data - pointer to the resource structure to dump. 86 * Note: The first table entry must be a Title or Literal and must contain
83 * 87 * the table length (number of table entries)
84 * RETURN: None
85 *
86 * DESCRIPTION: Prints out the various members of the Data structure type.
87 * 88 *
88 ******************************************************************************/ 89 ******************************************************************************/
89 90
90static void acpi_rs_dump_irq(union acpi_resource_data *data) 91struct acpi_rsdump_info acpi_rs_dump_irq[6] = {
91{ 92 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_irq), "IRQ", NULL},
92 struct acpi_resource_irq *irq_data = (struct acpi_resource_irq *)data; 93 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(irq.triggering), "Triggering",
93 u8 index = 0; 94 acpi_gbl_HEdecode},
94 95 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(irq.polarity), "Polarity",
95 ACPI_FUNCTION_ENTRY(); 96 acpi_gbl_LLdecode},
96 97 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(irq.sharable), "Sharing",
97 acpi_os_printf("IRQ Resource\n"); 98 acpi_gbl_SHRdecode},
99 {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(irq.interrupt_count),
100 "Interrupt Count", NULL},
101 {ACPI_RSD_SHORTLIST, ACPI_RSD_OFFSET(irq.interrupts[0]),
102 "Interrupt List", NULL}
103};
104
105struct acpi_rsdump_info acpi_rs_dump_dma[6] = {
106 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_dma), "DMA", NULL},
107 {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(dma.type), "Speed",
108 acpi_gbl_TYPdecode},
109 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(dma.bus_master), "Mastering",
110 acpi_gbl_BMdecode},
111 {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(dma.transfer), "Transfer Type",
112 acpi_gbl_SIZdecode},
113 {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(dma.channel_count), "Channel Count",
114 NULL},
115 {ACPI_RSD_SHORTLIST, ACPI_RSD_OFFSET(dma.channels[0]), "Channel List",
116 NULL}
117};
118
119struct acpi_rsdump_info acpi_rs_dump_start_dpf[3] = {
120 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_start_dpf),
121 "Start-Dependent-Functions", NULL},
122 {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(start_dpf.compatibility_priority),
123 "Compatibility Priority", acpi_gbl_config_decode},
124 {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(start_dpf.performance_robustness),
125 "Performance/Robustness", acpi_gbl_config_decode}
126};
127
128struct acpi_rsdump_info acpi_rs_dump_end_dpf[1] = {
129 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_end_dpf),
130 "End-Dependent-Functions", NULL}
131};
132
133struct acpi_rsdump_info acpi_rs_dump_io[6] = {
134 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_io), "I/O", NULL},
135 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(io.io_decode), "Address Decoding",
136 acpi_gbl_io_decode},
137 {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(io.minimum), "Address Minimum", NULL},
138 {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(io.maximum), "Address Maximum", NULL},
139 {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(io.alignment), "Alignment", NULL},
140 {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(io.address_length), "Address Length",
141 NULL}
142};
143
144struct acpi_rsdump_info acpi_rs_dump_fixed_io[3] = {
145 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_fixed_io),
146 "Fixed I/O", NULL},
147 {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(fixed_io.address), "Address", NULL},
148 {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(fixed_io.address_length),
149 "Address Length", NULL}
150};
151
152struct acpi_rsdump_info acpi_rs_dump_vendor[3] = {
153 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_vendor),
154 "Vendor Specific", NULL},
155 {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(vendor.byte_length), "Length", NULL},
156 {ACPI_RSD_LONGLIST, ACPI_RSD_OFFSET(vendor.byte_data[0]), "Vendor Data",
157 NULL}
158};
159
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",
162 NULL}
163};
164
165struct acpi_rsdump_info acpi_rs_dump_memory24[6] = {
166 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_memory24),
167 "24-Bit Memory Range", NULL},
168 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(memory24.write_protect),
169 "Write Protect", acpi_gbl_RWdecode},
170 {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(memory24.minimum), "Address Minimum",
171 NULL},
172 {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(memory24.maximum), "Address Maximum",
173 NULL},
174 {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(memory24.alignment), "Alignment",
175 NULL},
176 {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(memory24.address_length),
177 "Address Length", NULL}
178};
179
180struct acpi_rsdump_info acpi_rs_dump_memory32[6] = {
181 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_memory32),
182 "32-Bit Memory Range", NULL},
183 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(memory32.write_protect),
184 "Write Protect", acpi_gbl_RWdecode},
185 {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(memory32.minimum), "Address Minimum",
186 NULL},
187 {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(memory32.maximum), "Address Maximum",
188 NULL},
189 {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(memory32.alignment), "Alignment",
190 NULL},
191 {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(memory32.address_length),
192 "Address Length", NULL}
193};
194
195struct acpi_rsdump_info acpi_rs_dump_fixed_memory32[4] = {
196 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_fixed_memory32),
197 "32-Bit Fixed Memory Range", NULL},
198 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(fixed_memory32.write_protect),
199 "Write Protect", acpi_gbl_RWdecode},
200 {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(fixed_memory32.address), "Address",
201 NULL},
202 {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(fixed_memory32.address_length),
203 "Address Length", NULL}
204};
205
206struct acpi_rsdump_info acpi_rs_dump_address16[8] = {
207 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_address16),
208 "16-Bit WORD Address Space", NULL},
209 {ACPI_RSD_ADDRESS, 0, NULL, NULL},
210 {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(address16.granularity), "Granularity",
211 NULL},
212 {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(address16.minimum), "Address Minimum",
213 NULL},
214 {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(address16.maximum), "Address Maximum",
215 NULL},
216 {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(address16.translation_offset),
217 "Translation Offset", NULL},
218 {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(address16.address_length),
219 "Address Length", NULL},
220 {ACPI_RSD_SOURCE, ACPI_RSD_OFFSET(address16.resource_source), NULL, NULL}
221};
222
223struct acpi_rsdump_info acpi_rs_dump_address32[8] = {
224 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_address32),
225 "32-Bit DWORD Address Space", NULL},
226 {ACPI_RSD_ADDRESS, 0, NULL, NULL},
227 {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(address32.granularity), "Granularity",
228 NULL},
229 {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(address32.minimum), "Address Minimum",
230 NULL},
231 {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(address32.maximum), "Address Maximum",
232 NULL},
233 {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(address32.translation_offset),
234 "Translation Offset", NULL},
235 {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(address32.address_length),
236 "Address Length", NULL},
237 {ACPI_RSD_SOURCE, ACPI_RSD_OFFSET(address32.resource_source), NULL, NULL}
238};
239
240struct acpi_rsdump_info acpi_rs_dump_address64[8] = {
241 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_address64),
242 "64-Bit QWORD Address Space", NULL},
243 {ACPI_RSD_ADDRESS, 0, NULL, NULL},
244 {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(address64.granularity), "Granularity",
245 NULL},
246 {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(address64.minimum), "Address Minimum",
247 NULL},
248 {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(address64.maximum), "Address Maximum",
249 NULL},
250 {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(address64.translation_offset),
251 "Translation Offset", NULL},
252 {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(address64.address_length),
253 "Address Length", NULL},
254 {ACPI_RSD_SOURCE, ACPI_RSD_OFFSET(address64.resource_source), NULL, NULL}
255};
256
257struct acpi_rsdump_info acpi_rs_dump_ext_address64[8] = {
258 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_ext_address64),
259 "64-Bit Extended Address Space", NULL},
260 {ACPI_RSD_ADDRESS, 0, NULL, NULL},
261 {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(ext_address64.granularity),
262 "Granularity", NULL},
263 {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(ext_address64.minimum),
264 "Address Minimum", NULL},
265 {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(ext_address64.maximum),
266 "Address Maximum", NULL},
267 {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(ext_address64.translation_offset),
268 "Translation Offset", NULL},
269 {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(ext_address64.address_length),
270 "Address Length", NULL},
271 {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(ext_address64.type_specific),
272 "Type-Specific Attribute", NULL}
273};
274
275struct acpi_rsdump_info acpi_rs_dump_ext_irq[8] = {
276 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_ext_irq),
277 "Extended IRQ", NULL},
278 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.producer_consumer),
279 "Type", acpi_gbl_consume_decode},
280 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.triggering),
281 "Triggering", acpi_gbl_HEdecode},
282 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.polarity), "Polarity",
283 acpi_gbl_LLdecode},
284 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.sharable), "Sharing",
285 acpi_gbl_SHRdecode},
286 {ACPI_RSD_SOURCE, ACPI_RSD_OFFSET(extended_irq.resource_source), NULL,
287 NULL},
288 {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(extended_irq.interrupt_count),
289 "Interrupt Count", NULL},
290 {ACPI_RSD_DWORDLIST, ACPI_RSD_OFFSET(extended_irq.interrupts[0]),
291 "Interrupt List", NULL}
292};
293
294struct acpi_rsdump_info acpi_rs_dump_generic_reg[6] = {
295 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_generic_reg),
296 "Generic Register", NULL},
297 {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(generic_reg.space_id), "Space ID",
298 NULL},
299 {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(generic_reg.bit_width), "Bit Width",
300 NULL},
301 {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(generic_reg.bit_offset), "Bit Offset",
302 NULL},
303 {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(generic_reg.access_size),
304 "Access Size", NULL},
305 {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(generic_reg.address), "Address", NULL}
306};
98 307
99 acpi_os_printf(" %s Triggered\n", 308/*
100 ACPI_LEVEL_SENSITIVE == 309 * Tables used for common address descriptor flag fields
101 irq_data->edge_level ? "Level" : "Edge"); 310 */
102 311static struct acpi_rsdump_info acpi_rs_dump_general_flags[5] = {
103 acpi_os_printf(" Active %s\n", 312 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_general_flags), NULL,
104 ACPI_ACTIVE_LOW == 313 NULL},
105 irq_data->active_high_low ? "Low" : "High"); 314 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.producer_consumer),
106 315 "Consumer/Producer", acpi_gbl_consume_decode},
107 acpi_os_printf(" %s\n", 316 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.decode), "Address Decode",
108 ACPI_SHARED == 317 acpi_gbl_DECdecode},
109 irq_data->shared_exclusive ? "Shared" : "Exclusive"); 318 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.min_address_fixed),
110 319 "Min Relocatability", acpi_gbl_min_decode},
111 acpi_os_printf(" %X Interrupts ( ", irq_data->number_of_interrupts); 320 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.max_address_fixed),
112 321 "Max Relocatability", acpi_gbl_max_decode}
113 for (index = 0; index < irq_data->number_of_interrupts; index++) { 322};
114 acpi_os_printf("%X ", irq_data->interrupts[index]); 323
115 } 324static struct acpi_rsdump_info acpi_rs_dump_memory_flags[5] = {
325 {ACPI_RSD_LITERAL, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_memory_flags),
326 "Resource Type", (void *)"Memory Range"},
327 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.mem.write_protect),
328 "Write Protect", acpi_gbl_RWdecode},
329 {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(address.info.mem.caching),
330 "Caching", acpi_gbl_MEMdecode},
331 {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(address.info.mem.range_type),
332 "Range Type", acpi_gbl_MTPdecode},
333 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.mem.translation),
334 "Translation", acpi_gbl_TTPdecode}
335};
336
337static struct acpi_rsdump_info acpi_rs_dump_io_flags[4] = {
338 {ACPI_RSD_LITERAL, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_io_flags),
339 "Resource Type", (void *)"I/O Range"},
340 {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(address.info.io.range_type),
341 "Range Type", acpi_gbl_RNGdecode},
342 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.io.translation),
343 "Translation", acpi_gbl_TTPdecode},
344 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.io.translation_type),
345 "Translation Type", acpi_gbl_TRSdecode}
346};
116 347
117 acpi_os_printf(")\n"); 348/*
118 return; 349 * Table used to dump _PRT contents
119} 350 */
351static struct acpi_rsdump_info acpi_rs_dump_prt[5] = {
352 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_prt), NULL, NULL},
353 {ACPI_RSD_UINT64, ACPI_PRT_OFFSET(address), "Address", NULL},
354 {ACPI_RSD_UINT32, ACPI_PRT_OFFSET(pin), "Pin", NULL},
355 {ACPI_RSD_STRING, ACPI_PRT_OFFSET(source[0]), "Source", NULL},
356 {ACPI_RSD_UINT32, ACPI_PRT_OFFSET(source_index), "Source Index", NULL}
357};
120 358
121/******************************************************************************* 359/*******************************************************************************
122 * 360 *
123 * FUNCTION: acpi_rs_dump_dma 361 * FUNCTION: acpi_rs_dump_descriptor
124 * 362 *
125 * PARAMETERS: Data - pointer to the resource structure to dump. 363 * PARAMETERS: Resource
126 * 364 *
127 * RETURN: None 365 * RETURN: None
128 * 366 *
129 * DESCRIPTION: Prints out the various members of the Data structure type. 367 * DESCRIPTION:
130 * 368 *
131 ******************************************************************************/ 369 ******************************************************************************/
132 370
133static void acpi_rs_dump_dma(union acpi_resource_data *data) 371static void
372acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table)
134{ 373{
135 struct acpi_resource_dma *dma_data = (struct acpi_resource_dma *)data; 374 u8 *target = NULL;
136 u8 index = 0; 375 u8 *previous_target;
137 376 char *name;
138 ACPI_FUNCTION_ENTRY(); 377 u8 count;
139 378
140 acpi_os_printf("DMA Resource\n"); 379 /* First table entry must contain the table length (# of table entries) */
141 380
142 switch (dma_data->type) { 381 count = table->offset;
143 case ACPI_COMPATIBILITY: 382
144 acpi_os_printf(" Compatibility mode\n"); 383 while (count) {
145 break; 384 previous_target = target;
146 385 target = ACPI_ADD_PTR(u8, resource, table->offset);
147 case ACPI_TYPE_A: 386 name = table->name;
148 acpi_os_printf(" Type A\n"); 387
149 break; 388 switch (table->opcode) {
150 389 case ACPI_RSD_TITLE:
151 case ACPI_TYPE_B: 390 /*
152 acpi_os_printf(" Type B\n"); 391 * Optional resource title
153 break; 392 */
154 393 if (table->name) {
155 case ACPI_TYPE_F: 394 acpi_os_printf("%s Resource\n", name);
156 acpi_os_printf(" Type F\n"); 395 }
157 break; 396 break;
158
159 default:
160 acpi_os_printf(" Invalid DMA type\n");
161 break;
162 }
163
164 acpi_os_printf(" %sBus Master\n",
165 ACPI_BUS_MASTER == dma_data->bus_master ? "" : "Not a ");
166
167 switch (dma_data->transfer) {
168 case ACPI_TRANSFER_8:
169 acpi_os_printf(" 8-bit only transfer\n");
170 break;
171 397
172 case ACPI_TRANSFER_8_16: 398 /* Strings */
173 acpi_os_printf(" 8 and 16-bit transfer\n");
174 break;
175 399
176 case ACPI_TRANSFER_16: 400 case ACPI_RSD_LITERAL:
177 acpi_os_printf(" 16 bit only transfer\n"); 401 acpi_rs_out_string(name,
178 break; 402 ACPI_CAST_PTR(char, table->pointer));
403 break;
179 404
180 default: 405 case ACPI_RSD_STRING:
181 acpi_os_printf(" Invalid transfer preference\n"); 406 acpi_rs_out_string(name, ACPI_CAST_PTR(char, target));
182 break; 407 break;
183 }
184 408
185 acpi_os_printf(" Number of Channels: %X ( ", 409 /* Data items, 8/16/32/64 bit */
186 dma_data->number_of_channels);
187 410
188 for (index = 0; index < dma_data->number_of_channels; index++) { 411 case ACPI_RSD_UINT8:
189 acpi_os_printf("%X ", dma_data->channels[index]); 412 acpi_rs_out_integer8(name, ACPI_GET8(target));
190 } 413 break;
191 414
192 acpi_os_printf(")\n"); 415 case ACPI_RSD_UINT16:
193 return; 416 acpi_rs_out_integer16(name, ACPI_GET16(target));
194} 417 break;
195 418
196/******************************************************************************* 419 case ACPI_RSD_UINT32:
197 * 420 acpi_rs_out_integer32(name, ACPI_GET32(target));
198 * FUNCTION: acpi_rs_dump_start_depend_fns 421 break;
199 *
200 * PARAMETERS: Data - pointer to the resource structure to dump.
201 *
202 * RETURN: None
203 *
204 * DESCRIPTION: Prints out the various members of the Data structure type.
205 *
206 ******************************************************************************/
207 422
208static void acpi_rs_dump_start_depend_fns(union acpi_resource_data *data) 423 case ACPI_RSD_UINT64:
209{ 424 acpi_rs_out_integer64(name, ACPI_GET64(target));
210 struct acpi_resource_start_dpf *sdf_data = 425 break;
211 (struct acpi_resource_start_dpf *)data;
212 426
213 ACPI_FUNCTION_ENTRY(); 427 /* Flags: 1-bit and 2-bit flags supported */
214 428
215 acpi_os_printf("Start Dependent Functions Resource\n"); 429 case ACPI_RSD_1BITFLAG:
430 acpi_rs_out_string(name, ACPI_CAST_PTR(char,
431 table->
432 pointer[*target &
433 0x01]));
434 break;
216 435
217 switch (sdf_data->compatibility_priority) { 436 case ACPI_RSD_2BITFLAG:
218 case ACPI_GOOD_CONFIGURATION: 437 acpi_rs_out_string(name, ACPI_CAST_PTR(char,
219 acpi_os_printf(" Good configuration\n"); 438 table->
220 break; 439 pointer[*target &
440 0x03]));
441 break;
221 442
222 case ACPI_ACCEPTABLE_CONFIGURATION: 443 case ACPI_RSD_SHORTLIST:
223 acpi_os_printf(" Acceptable configuration\n"); 444 /*
224 break; 445 * Short byte list (single line output) for DMA and IRQ resources
446 * Note: The list length is obtained from the previous table entry
447 */
448 if (previous_target) {
449 acpi_rs_out_title(name);
450 acpi_rs_dump_short_byte_list(*previous_target,
451 target);
452 }
453 break;
225 454
226 case ACPI_SUB_OPTIMAL_CONFIGURATION: 455 case ACPI_RSD_LONGLIST:
227 acpi_os_printf(" Sub-optimal configuration\n"); 456 /*
228 break; 457 * Long byte list for Vendor resource data
458 * Note: The list length is obtained from the previous table entry
459 */
460 if (previous_target) {
461 acpi_rs_dump_byte_list(ACPI_GET16
462 (previous_target),
463 target);
464 }
465 break;
229 466
230 default: 467 case ACPI_RSD_DWORDLIST:
231 acpi_os_printf(" Invalid compatibility priority\n"); 468 /*
232 break; 469 * Dword list for Extended Interrupt resources
233 } 470 * Note: The list length is obtained from the previous table entry
471 */
472 if (previous_target) {
473 acpi_rs_dump_dword_list(*previous_target,
474 ACPI_CAST_PTR(u32,
475 target));
476 }
477 break;
234 478
235 switch (sdf_data->performance_robustness) { 479 case ACPI_RSD_ADDRESS:
236 case ACPI_GOOD_CONFIGURATION: 480 /*
237 acpi_os_printf(" Good configuration\n"); 481 * Common flags for all Address resources
238 break; 482 */
483 acpi_rs_dump_address_common(ACPI_CAST_PTR
484 (union acpi_resource_data,
485 target));
486 break;
239 487
240 case ACPI_ACCEPTABLE_CONFIGURATION: 488 case ACPI_RSD_SOURCE:
241 acpi_os_printf(" Acceptable configuration\n"); 489 /*
242 break; 490 * Optional resource_source for Address resources
491 */
492 acpi_rs_dump_resource_source(ACPI_CAST_PTR
493 (struct
494 acpi_resource_source,
495 target));
496 break;
243 497
244 case ACPI_SUB_OPTIMAL_CONFIGURATION: 498 default:
245 acpi_os_printf(" Sub-optimal configuration\n"); 499 acpi_os_printf("**** Invalid table opcode [%X] ****\n",
246 break; 500 table->opcode);
501 return;
502 }
247 503
248 default: 504 table++;
249 acpi_os_printf(" Invalid performance robustness preference\n"); 505 count--;
250 break;
251 } 506 }
252
253 return;
254}
255
256/*******************************************************************************
257 *
258 * FUNCTION: acpi_rs_dump_io
259 *
260 * PARAMETERS: Data - pointer to the resource structure to dump.
261 *
262 * RETURN: None
263 *
264 * DESCRIPTION: Prints out the various members of the Data structure type.
265 *
266 ******************************************************************************/
267
268static void acpi_rs_dump_io(union acpi_resource_data *data)
269{
270 struct acpi_resource_io *io_data = (struct acpi_resource_io *)data;
271
272 ACPI_FUNCTION_ENTRY();
273
274 acpi_os_printf("Io Resource\n");
275
276 acpi_os_printf(" %d bit decode\n",
277 ACPI_DECODE_16 == io_data->io_decode ? 16 : 10);
278
279 acpi_os_printf(" Range minimum base: %08X\n",
280 io_data->min_base_address);
281
282 acpi_os_printf(" Range maximum base: %08X\n",
283 io_data->max_base_address);
284
285 acpi_os_printf(" Alignment: %08X\n", io_data->alignment);
286
287 acpi_os_printf(" Range Length: %08X\n", io_data->range_length);
288
289 return;
290}
291
292/*******************************************************************************
293 *
294 * FUNCTION: acpi_rs_dump_fixed_io
295 *
296 * PARAMETERS: Data - pointer to the resource structure to dump.
297 *
298 * RETURN: None
299 *
300 * DESCRIPTION: Prints out the various members of the Data structure type.
301 *
302 ******************************************************************************/
303
304static void acpi_rs_dump_fixed_io(union acpi_resource_data *data)
305{
306 struct acpi_resource_fixed_io *fixed_io_data =
307 (struct acpi_resource_fixed_io *)data;
308
309 ACPI_FUNCTION_ENTRY();
310
311 acpi_os_printf("Fixed Io Resource\n");
312 acpi_os_printf(" Range base address: %08X",
313 fixed_io_data->base_address);
314
315 acpi_os_printf(" Range length: %08X", fixed_io_data->range_length);
316
317 return;
318} 507}
319 508
320/******************************************************************************* 509/*******************************************************************************
321 * 510 *
322 * FUNCTION: acpi_rs_dump_vendor_specific 511 * FUNCTION: acpi_rs_dump_resource_source
323 * 512 *
324 * PARAMETERS: Data - pointer to the resource structure to dump. 513 * PARAMETERS: resource_source - Pointer to a Resource Source struct
325 * 514 *
326 * RETURN: None 515 * RETURN: None
327 * 516 *
328 * DESCRIPTION: Prints out the various members of the Data structure type. 517 * DESCRIPTION: Common routine for dumping the optional resource_source and the
518 * corresponding resource_source_index.
329 * 519 *
330 ******************************************************************************/ 520 ******************************************************************************/
331 521
332static void acpi_rs_dump_vendor_specific(union acpi_resource_data *data) 522static void
523acpi_rs_dump_resource_source(struct acpi_resource_source *resource_source)
333{ 524{
334 struct acpi_resource_vendor *vendor_data =
335 (struct acpi_resource_vendor *)data;
336 u16 index = 0;
337
338 ACPI_FUNCTION_ENTRY(); 525 ACPI_FUNCTION_ENTRY();
339 526
340 acpi_os_printf("Vendor Specific Resource\n"); 527 if (resource_source->index == 0xFF) {
341 528 return;
342 acpi_os_printf(" Length: %08X\n", vendor_data->length);
343
344 for (index = 0; index < vendor_data->length; index++) {
345 acpi_os_printf(" Byte %X: %08X\n",
346 index, vendor_data->reserved[index]);
347 } 529 }
348 530
349 return; 531 acpi_rs_out_integer8("Resource Source Index", resource_source->index);
350}
351
352/*******************************************************************************
353 *
354 * FUNCTION: acpi_rs_dump_memory24
355 *
356 * PARAMETERS: Data - pointer to the resource structure to dump.
357 *
358 * RETURN: None
359 *
360 * DESCRIPTION: Prints out the various members of the Data structure type.
361 *
362 ******************************************************************************/
363
364static void acpi_rs_dump_memory24(union acpi_resource_data *data)
365{
366 struct acpi_resource_mem24 *memory24_data =
367 (struct acpi_resource_mem24 *)data;
368
369 ACPI_FUNCTION_ENTRY();
370
371 acpi_os_printf("24-Bit Memory Range Resource\n");
372
373 acpi_os_printf(" Read%s\n",
374 ACPI_READ_WRITE_MEMORY ==
375 memory24_data->read_write_attribute ?
376 "/Write" : " only");
377
378 acpi_os_printf(" Range minimum base: %08X\n",
379 memory24_data->min_base_address);
380
381 acpi_os_printf(" Range maximum base: %08X\n",
382 memory24_data->max_base_address);
383
384 acpi_os_printf(" Alignment: %08X\n", memory24_data->alignment);
385
386 acpi_os_printf(" Range length: %08X\n", memory24_data->range_length);
387
388 return;
389}
390
391/*******************************************************************************
392 *
393 * FUNCTION: acpi_rs_dump_memory32
394 *
395 * PARAMETERS: Data - pointer to the resource structure to dump.
396 *
397 * RETURN: None
398 *
399 * DESCRIPTION: Prints out the various members of the Data structure type.
400 *
401 ******************************************************************************/
402
403static void acpi_rs_dump_memory32(union acpi_resource_data *data)
404{
405 struct acpi_resource_mem32 *memory32_data =
406 (struct acpi_resource_mem32 *)data;
407
408 ACPI_FUNCTION_ENTRY();
409
410 acpi_os_printf("32-Bit Memory Range Resource\n");
411
412 acpi_os_printf(" Read%s\n",
413 ACPI_READ_WRITE_MEMORY ==
414 memory32_data->read_write_attribute ?
415 "/Write" : " only");
416
417 acpi_os_printf(" Range minimum base: %08X\n",
418 memory32_data->min_base_address);
419
420 acpi_os_printf(" Range maximum base: %08X\n",
421 memory32_data->max_base_address);
422
423 acpi_os_printf(" Alignment: %08X\n", memory32_data->alignment);
424
425 acpi_os_printf(" Range length: %08X\n", memory32_data->range_length);
426 532
427 return; 533 acpi_rs_out_string("Resource Source",
534 resource_source->string_ptr ?
535 resource_source->string_ptr : "[Not Specified]");
428} 536}
429 537
430/******************************************************************************* 538/*******************************************************************************
431 * 539 *
432 * FUNCTION: acpi_rs_dump_fixed_memory32 540 * FUNCTION: acpi_rs_dump_address_common
433 * 541 *
434 * PARAMETERS: Data - pointer to the resource structure to dump. 542 * PARAMETERS: Resource - Pointer to an internal resource descriptor
435 *
436 * RETURN:
437 *
438 * DESCRIPTION: Prints out the various members of the Data structure type.
439 *
440 ******************************************************************************/
441
442static void acpi_rs_dump_fixed_memory32(union acpi_resource_data *data)
443{
444 struct acpi_resource_fixed_mem32 *fixed_memory32_data =
445 (struct acpi_resource_fixed_mem32 *)data;
446
447 ACPI_FUNCTION_ENTRY();
448
449 acpi_os_printf("32-Bit Fixed Location Memory Range Resource\n");
450
451 acpi_os_printf(" Read%s\n",
452 ACPI_READ_WRITE_MEMORY ==
453 fixed_memory32_data->
454 read_write_attribute ? "/Write" : " Only");
455
456 acpi_os_printf(" Range base address: %08X\n",
457 fixed_memory32_data->range_base_address);
458
459 acpi_os_printf(" Range length: %08X\n",
460 fixed_memory32_data->range_length);
461
462 return;
463}
464
465/*******************************************************************************
466 *
467 * FUNCTION: acpi_rs_dump_address16
468 *
469 * PARAMETERS: Data - pointer to the resource structure to dump.
470 * 543 *
471 * RETURN: None 544 * RETURN: None
472 * 545 *
473 * DESCRIPTION: Prints out the various members of the Data structure type. 546 * DESCRIPTION: Dump the fields that are common to all Address resource
547 * descriptors
474 * 548 *
475 ******************************************************************************/ 549 ******************************************************************************/
476 550
477static void acpi_rs_dump_address16(union acpi_resource_data *data) 551static void acpi_rs_dump_address_common(union acpi_resource_data *resource)
478{ 552{
479 struct acpi_resource_address16 *address16_data =
480 (struct acpi_resource_address16 *)data;
481
482 ACPI_FUNCTION_ENTRY(); 553 ACPI_FUNCTION_ENTRY();
483 554
484 acpi_os_printf("16-Bit Address Space Resource\n"); 555 /* Decode the type-specific flags */
485 acpi_os_printf(" Resource Type: ");
486 556
487 switch (address16_data->resource_type) { 557 switch (resource->address.resource_type) {
488 case ACPI_MEMORY_RANGE: 558 case ACPI_MEMORY_RANGE:
489 559
490 acpi_os_printf("Memory Range\n"); 560 acpi_rs_dump_descriptor(resource, acpi_rs_dump_memory_flags);
491
492 switch (address16_data->attribute.memory.cache_attribute) {
493 case ACPI_NON_CACHEABLE_MEMORY:
494 acpi_os_printf
495 (" Type Specific: Noncacheable memory\n");
496 break;
497
498 case ACPI_CACHABLE_MEMORY:
499 acpi_os_printf(" Type Specific: Cacheable memory\n");
500 break;
501
502 case ACPI_WRITE_COMBINING_MEMORY:
503 acpi_os_printf
504 (" Type Specific: Write-combining memory\n");
505 break;
506
507 case ACPI_PREFETCHABLE_MEMORY:
508 acpi_os_printf
509 (" Type Specific: Prefetchable memory\n");
510 break;
511
512 default:
513 acpi_os_printf
514 (" Type Specific: Invalid cache attribute\n");
515 break;
516 }
517
518 acpi_os_printf(" Type Specific: Read%s\n",
519 ACPI_READ_WRITE_MEMORY ==
520 address16_data->attribute.memory.
521 read_write_attribute ? "/Write" : " Only");
522 break; 561 break;
523 562
524 case ACPI_IO_RANGE: 563 case ACPI_IO_RANGE:
525 564
526 acpi_os_printf("I/O Range\n"); 565 acpi_rs_dump_descriptor(resource, acpi_rs_dump_io_flags);
527
528 switch (address16_data->attribute.io.range_attribute) {
529 case ACPI_NON_ISA_ONLY_RANGES:
530 acpi_os_printf
531 (" Type Specific: Non-ISA Io Addresses\n");
532 break;
533
534 case ACPI_ISA_ONLY_RANGES:
535 acpi_os_printf(" Type Specific: ISA Io Addresses\n");
536 break;
537
538 case ACPI_ENTIRE_RANGE:
539 acpi_os_printf
540 (" Type Specific: ISA and non-ISA Io Addresses\n");
541 break;
542
543 default:
544 acpi_os_printf
545 (" Type Specific: Invalid range attribute\n");
546 break;
547 }
548
549 acpi_os_printf(" Type Specific: %s Translation\n",
550 ACPI_SPARSE_TRANSLATION ==
551 address16_data->attribute.io.
552 translation_attribute ? "Sparse" : "Dense");
553 break; 566 break;
554 567
555 case ACPI_BUS_NUMBER_RANGE: 568 case ACPI_BUS_NUMBER_RANGE:
556 569
557 acpi_os_printf("Bus Number Range\n"); 570 acpi_rs_out_string("Resource Type", "Bus Number Range");
558 break; 571 break;
559 572
560 default: 573 default:
561 574
562 acpi_os_printf("0x%2.2X\n", address16_data->resource_type); 575 acpi_rs_out_integer8("Resource Type",
576 (u8) resource->address.resource_type);
563 break; 577 break;
564 } 578 }
565 579
566 acpi_os_printf(" Resource %s\n", 580 /* Decode the general flags */
567 ACPI_CONSUMER == address16_data->producer_consumer ?
568 "Consumer" : "Producer");
569
570 acpi_os_printf(" %s decode\n",
571 ACPI_SUB_DECODE == address16_data->decode ?
572 "Subtractive" : "Positive");
573 581
574 acpi_os_printf(" Min address is %s fixed\n", 582 acpi_rs_dump_descriptor(resource, acpi_rs_dump_general_flags);
575 ACPI_ADDRESS_FIXED == address16_data->min_address_fixed ?
576 "" : "not");
577
578 acpi_os_printf(" Max address is %s fixed\n",
579 ACPI_ADDRESS_FIXED == address16_data->max_address_fixed ?
580 "" : "not");
581
582 acpi_os_printf(" Granularity: %08X\n", address16_data->granularity);
583
584 acpi_os_printf(" Address range min: %08X\n",
585 address16_data->min_address_range);
586
587 acpi_os_printf(" Address range max: %08X\n",
588 address16_data->max_address_range);
589
590 acpi_os_printf(" Address translation offset: %08X\n",
591 address16_data->address_translation_offset);
592
593 acpi_os_printf(" Address Length: %08X\n",
594 address16_data->address_length);
595
596 if (0xFF != address16_data->resource_source.index) {
597 acpi_os_printf(" Resource Source Index: %X\n",
598 address16_data->resource_source.index);
599
600 acpi_os_printf(" Resource Source: %s\n",
601 address16_data->resource_source.string_ptr);
602 }
603
604 return;
605} 583}
606 584
607/******************************************************************************* 585/*******************************************************************************
608 * 586 *
609 * FUNCTION: acpi_rs_dump_address32 587 * FUNCTION: acpi_rs_dump_resource_list
610 * 588 *
611 * PARAMETERS: Data - pointer to the resource structure to dump. 589 * PARAMETERS: resource_list - Pointer to a resource descriptor list
612 * 590 *
613 * RETURN: None 591 * RETURN: None
614 * 592 *
615 * DESCRIPTION: Prints out the various members of the Data structure type. 593 * DESCRIPTION: Dispatches the structure to the correct dump routine.
616 * 594 *
617 ******************************************************************************/ 595 ******************************************************************************/
618 596
619static void acpi_rs_dump_address32(union acpi_resource_data *data) 597void acpi_rs_dump_resource_list(struct acpi_resource *resource_list)
620{ 598{
621 struct acpi_resource_address32 *address32_data = 599 u32 count = 0;
622 (struct acpi_resource_address32 *)data; 600 u32 type;
623 601
624 ACPI_FUNCTION_ENTRY(); 602 ACPI_FUNCTION_ENTRY();
625 603
626 acpi_os_printf("32-Bit Address Space Resource\n"); 604 if (!(acpi_dbg_level & ACPI_LV_RESOURCES)
627 605 || !(_COMPONENT & acpi_dbg_layer)) {
628 switch (address32_data->resource_type) { 606 return;
629 case ACPI_MEMORY_RANGE: 607 }
630
631 acpi_os_printf(" Resource Type: Memory Range\n");
632
633 switch (address32_data->attribute.memory.cache_attribute) {
634 case ACPI_NON_CACHEABLE_MEMORY:
635 acpi_os_printf
636 (" Type Specific: Noncacheable memory\n");
637 break;
638
639 case ACPI_CACHABLE_MEMORY:
640 acpi_os_printf(" Type Specific: Cacheable memory\n");
641 break;
642
643 case ACPI_WRITE_COMBINING_MEMORY:
644 acpi_os_printf
645 (" Type Specific: Write-combining memory\n");
646 break;
647
648 case ACPI_PREFETCHABLE_MEMORY:
649 acpi_os_printf
650 (" Type Specific: Prefetchable memory\n");
651 break;
652
653 default:
654 acpi_os_printf
655 (" Type Specific: Invalid cache attribute\n");
656 break;
657 }
658
659 acpi_os_printf(" Type Specific: Read%s\n",
660 ACPI_READ_WRITE_MEMORY ==
661 address32_data->attribute.memory.
662 read_write_attribute ? "/Write" : " Only");
663 break;
664
665 case ACPI_IO_RANGE:
666
667 acpi_os_printf(" Resource Type: Io Range\n");
668 608
669 switch (address32_data->attribute.io.range_attribute) { 609 /* Walk list and dump all resource descriptors (END_TAG terminates) */
670 case ACPI_NON_ISA_ONLY_RANGES:
671 acpi_os_printf
672 (" Type Specific: Non-ISA Io Addresses\n");
673 break;
674 610
675 case ACPI_ISA_ONLY_RANGES: 611 do {
676 acpi_os_printf(" Type Specific: ISA Io Addresses\n"); 612 acpi_os_printf("\n[%02X] ", count);
677 break; 613 count++;
678 614
679 case ACPI_ENTIRE_RANGE: 615 /* Validate Type before dispatch */
680 acpi_os_printf
681 (" Type Specific: ISA and non-ISA Io Addresses\n");
682 break;
683 616
684 default: 617 type = resource_list->type;
618 if (type > ACPI_RESOURCE_TYPE_MAX) {
685 acpi_os_printf 619 acpi_os_printf
686 (" Type Specific: Invalid Range attribute"); 620 ("Invalid descriptor type (%X) in resource list\n",
687 break; 621 resource_list->type);
622 return;
688 } 623 }
689 624
690 acpi_os_printf(" Type Specific: %s Translation\n", 625 /* Dump the resource descriptor */
691 ACPI_SPARSE_TRANSLATION ==
692 address32_data->attribute.io.
693 translation_attribute ? "Sparse" : "Dense");
694 break;
695
696 case ACPI_BUS_NUMBER_RANGE:
697
698 acpi_os_printf(" Resource Type: Bus Number Range\n");
699 break;
700
701 default:
702
703 acpi_os_printf(" Resource Type: 0x%2.2X\n",
704 address32_data->resource_type);
705 break;
706 }
707
708 acpi_os_printf(" Resource %s\n",
709 ACPI_CONSUMER == address32_data->producer_consumer ?
710 "Consumer" : "Producer");
711
712 acpi_os_printf(" %s decode\n",
713 ACPI_SUB_DECODE == address32_data->decode ?
714 "Subtractive" : "Positive");
715
716 acpi_os_printf(" Min address is %s fixed\n",
717 ACPI_ADDRESS_FIXED == address32_data->min_address_fixed ?
718 "" : "not ");
719
720 acpi_os_printf(" Max address is %s fixed\n",
721 ACPI_ADDRESS_FIXED == address32_data->max_address_fixed ?
722 "" : "not ");
723 626
724 acpi_os_printf(" Granularity: %08X\n", address32_data->granularity); 627 acpi_rs_dump_descriptor(&resource_list->data,
628 acpi_gbl_dump_resource_dispatch[type]);
725 629
726 acpi_os_printf(" Address range min: %08X\n", 630 /* Point to the next resource structure */
727 address32_data->min_address_range);
728 631
729 acpi_os_printf(" Address range max: %08X\n", 632 resource_list =
730 address32_data->max_address_range); 633 ACPI_ADD_PTR(struct acpi_resource, resource_list,
634 resource_list->length);
731 635
732 acpi_os_printf(" Address translation offset: %08X\n", 636 /* Exit when END_TAG descriptor is reached */
733 address32_data->address_translation_offset);
734 637
735 acpi_os_printf(" Address Length: %08X\n", 638 } while (type != ACPI_RESOURCE_TYPE_END_TAG);
736 address32_data->address_length);
737
738 if (0xFF != address32_data->resource_source.index) {
739 acpi_os_printf(" Resource Source Index: %X\n",
740 address32_data->resource_source.index);
741
742 acpi_os_printf(" Resource Source: %s\n",
743 address32_data->resource_source.string_ptr);
744 }
745
746 return;
747} 639}
748 640
749/******************************************************************************* 641/*******************************************************************************
750 * 642 *
751 * FUNCTION: acpi_rs_dump_address64 643 * FUNCTION: acpi_rs_dump_irq_list
752 * 644 *
753 * PARAMETERS: Data - pointer to the resource structure to dump. 645 * PARAMETERS: route_table - Pointer to the routing table to dump.
754 * 646 *
755 * RETURN: None 647 * RETURN: None
756 * 648 *
757 * DESCRIPTION: Prints out the various members of the Data structure type. 649 * DESCRIPTION: Print IRQ routing table
758 * 650 *
759 ******************************************************************************/ 651 ******************************************************************************/
760 652
761static void acpi_rs_dump_address64(union acpi_resource_data *data) 653void acpi_rs_dump_irq_list(u8 * route_table)
762{ 654{
763 struct acpi_resource_address64 *address64_data = 655 struct acpi_pci_routing_table *prt_element;
764 (struct acpi_resource_address64 *)data; 656 u8 count;
765 657
766 ACPI_FUNCTION_ENTRY(); 658 ACPI_FUNCTION_ENTRY();
767 659
768 acpi_os_printf("64-Bit Address Space Resource\n"); 660 if (!(acpi_dbg_level & ACPI_LV_RESOURCES)
769 661 || !(_COMPONENT & acpi_dbg_layer)) {
770 switch (address64_data->resource_type) { 662 return;
771 case ACPI_MEMORY_RANGE:
772
773 acpi_os_printf(" Resource Type: Memory Range\n");
774
775 switch (address64_data->attribute.memory.cache_attribute) {
776 case ACPI_NON_CACHEABLE_MEMORY:
777 acpi_os_printf
778 (" Type Specific: Noncacheable memory\n");
779 break;
780
781 case ACPI_CACHABLE_MEMORY:
782 acpi_os_printf(" Type Specific: Cacheable memory\n");
783 break;
784
785 case ACPI_WRITE_COMBINING_MEMORY:
786 acpi_os_printf
787 (" Type Specific: Write-combining memory\n");
788 break;
789
790 case ACPI_PREFETCHABLE_MEMORY:
791 acpi_os_printf
792 (" Type Specific: Prefetchable memory\n");
793 break;
794
795 default:
796 acpi_os_printf
797 (" Type Specific: Invalid cache attribute\n");
798 break;
799 }
800
801 acpi_os_printf(" Type Specific: Read%s\n",
802 ACPI_READ_WRITE_MEMORY ==
803 address64_data->attribute.memory.
804 read_write_attribute ? "/Write" : " Only");
805 break;
806
807 case ACPI_IO_RANGE:
808
809 acpi_os_printf(" Resource Type: Io Range\n");
810
811 switch (address64_data->attribute.io.range_attribute) {
812 case ACPI_NON_ISA_ONLY_RANGES:
813 acpi_os_printf
814 (" Type Specific: Non-ISA Io Addresses\n");
815 break;
816
817 case ACPI_ISA_ONLY_RANGES:
818 acpi_os_printf(" Type Specific: ISA Io Addresses\n");
819 break;
820
821 case ACPI_ENTIRE_RANGE:
822 acpi_os_printf
823 (" Type Specific: ISA and non-ISA Io Addresses\n");
824 break;
825
826 default:
827 acpi_os_printf
828 (" Type Specific: Invalid Range attribute");
829 break;
830 }
831
832 acpi_os_printf(" Type Specific: %s Translation\n",
833 ACPI_SPARSE_TRANSLATION ==
834 address64_data->attribute.io.
835 translation_attribute ? "Sparse" : "Dense");
836 break;
837
838 case ACPI_BUS_NUMBER_RANGE:
839
840 acpi_os_printf(" Resource Type: Bus Number Range\n");
841 break;
842
843 default:
844
845 acpi_os_printf(" Resource Type: 0x%2.2X\n",
846 address64_data->resource_type);
847 break;
848 } 663 }
849 664
850 acpi_os_printf(" Resource %s\n", 665 prt_element = ACPI_CAST_PTR(struct acpi_pci_routing_table, route_table);
851 ACPI_CONSUMER == address64_data->producer_consumer ?
852 "Consumer" : "Producer");
853
854 acpi_os_printf(" %s decode\n",
855 ACPI_SUB_DECODE == address64_data->decode ?
856 "Subtractive" : "Positive");
857
858 acpi_os_printf(" Min address is %s fixed\n",
859 ACPI_ADDRESS_FIXED == address64_data->min_address_fixed ?
860 "" : "not ");
861
862 acpi_os_printf(" Max address is %s fixed\n",
863 ACPI_ADDRESS_FIXED == address64_data->max_address_fixed ?
864 "" : "not ");
865 666
866 acpi_os_printf(" Granularity: %8.8X%8.8X\n", 667 /* Dump all table elements, Exit on zero length element */
867 ACPI_FORMAT_UINT64(address64_data->granularity));
868 668
869 acpi_os_printf(" Address range min: %8.8X%8.8X\n", 669 for (count = 0; prt_element->length; count++) {
870 ACPI_FORMAT_UINT64(address64_data->min_address_range)); 670 acpi_os_printf("\n[%02X] PCI IRQ Routing Table Package\n",
671 count);
672 acpi_rs_dump_descriptor(prt_element, acpi_rs_dump_prt);
871 673
872 acpi_os_printf(" Address range max: %8.8X%8.8X\n", 674 prt_element = ACPI_ADD_PTR(struct acpi_pci_routing_table,
873 ACPI_FORMAT_UINT64(address64_data->max_address_range)); 675 prt_element, prt_element->length);
874
875 acpi_os_printf(" Address translation offset: %8.8X%8.8X\n",
876 ACPI_FORMAT_UINT64(address64_data->
877 address_translation_offset));
878
879 acpi_os_printf(" Address Length: %8.8X%8.8X\n",
880 ACPI_FORMAT_UINT64(address64_data->address_length));
881
882 acpi_os_printf(" Type Specific Attributes: %8.8X%8.8X\n",
883 ACPI_FORMAT_UINT64(address64_data->
884 type_specific_attributes));
885
886 if (0xFF != address64_data->resource_source.index) {
887 acpi_os_printf(" Resource Source Index: %X\n",
888 address64_data->resource_source.index);
889
890 acpi_os_printf(" Resource Source: %s\n",
891 address64_data->resource_source.string_ptr);
892 } 676 }
893
894 return;
895} 677}
896 678
897/******************************************************************************* 679/*******************************************************************************
898 * 680 *
899 * FUNCTION: acpi_rs_dump_extended_irq 681 * FUNCTION: acpi_rs_out*
900 * 682 *
901 * PARAMETERS: Data - pointer to the resource structure to dump. 683 * PARAMETERS: Title - Name of the resource field
684 * Value - Value of the resource field
902 * 685 *
903 * RETURN: None 686 * RETURN: None
904 * 687 *
905 * DESCRIPTION: Prints out the various members of the Data structure type. 688 * DESCRIPTION: Miscellaneous helper functions to consistently format the
689 * output of the resource dump routines
906 * 690 *
907 ******************************************************************************/ 691 ******************************************************************************/
908 692
909static void acpi_rs_dump_extended_irq(union acpi_resource_data *data) 693static void acpi_rs_out_string(char *title, char *value)
910{ 694{
911 struct acpi_resource_ext_irq *ext_irq_data = 695 acpi_os_printf("%27s : %s", title, value);
912 (struct acpi_resource_ext_irq *)data; 696 if (!*value) {
913 u8 index = 0; 697 acpi_os_printf("[NULL NAMESTRING]");
914
915 ACPI_FUNCTION_ENTRY();
916
917 acpi_os_printf("Extended IRQ Resource\n");
918
919 acpi_os_printf(" Resource %s\n",
920 ACPI_CONSUMER == ext_irq_data->producer_consumer ?
921 "Consumer" : "Producer");
922
923 acpi_os_printf(" %s\n",
924 ACPI_LEVEL_SENSITIVE == ext_irq_data->edge_level ?
925 "Level" : "Edge");
926
927 acpi_os_printf(" Active %s\n",
928 ACPI_ACTIVE_LOW == ext_irq_data->active_high_low ?
929 "low" : "high");
930
931 acpi_os_printf(" %s\n",
932 ACPI_SHARED == ext_irq_data->shared_exclusive ?
933 "Shared" : "Exclusive");
934
935 acpi_os_printf(" Interrupts : %X ( ",
936 ext_irq_data->number_of_interrupts);
937
938 for (index = 0; index < ext_irq_data->number_of_interrupts; index++) {
939 acpi_os_printf("%X ", ext_irq_data->interrupts[index]);
940 }
941
942 acpi_os_printf(")\n");
943
944 if (0xFF != ext_irq_data->resource_source.index) {
945 acpi_os_printf(" Resource Source Index: %X",
946 ext_irq_data->resource_source.index);
947
948 acpi_os_printf(" Resource Source: %s",
949 ext_irq_data->resource_source.string_ptr);
950 } 698 }
951 699 acpi_os_printf("\n");
952 return;
953} 700}
954 701
955/******************************************************************************* 702static void acpi_rs_out_integer8(char *title, u8 value)
956 *
957 * FUNCTION: acpi_rs_dump_resource_list
958 *
959 * PARAMETERS: Resource - pointer to the resource structure to dump.
960 *
961 * RETURN: None
962 *
963 * DESCRIPTION: Dispatches the structure to the correct dump routine.
964 *
965 ******************************************************************************/
966
967void acpi_rs_dump_resource_list(struct acpi_resource *resource)
968{ 703{
969 u8 count = 0; 704 acpi_os_printf("%27s : %2.2X\n", title, value);
970 u8 done = FALSE; 705}
971
972 ACPI_FUNCTION_ENTRY();
973
974 if (acpi_dbg_level & ACPI_LV_RESOURCES && _COMPONENT & acpi_dbg_layer) {
975 while (!done) {
976 acpi_os_printf("Resource structure %X.\n", count++);
977
978 switch (resource->id) {
979 case ACPI_RSTYPE_IRQ:
980 acpi_rs_dump_irq(&resource->data);
981 break;
982
983 case ACPI_RSTYPE_DMA:
984 acpi_rs_dump_dma(&resource->data);
985 break;
986
987 case ACPI_RSTYPE_START_DPF:
988 acpi_rs_dump_start_depend_fns(&resource->data);
989 break;
990
991 case ACPI_RSTYPE_END_DPF:
992 acpi_os_printf
993 ("end_dependent_functions Resource\n");
994 /* acpi_rs_dump_end_dependent_functions (Resource->Data); */
995 break;
996
997 case ACPI_RSTYPE_IO:
998 acpi_rs_dump_io(&resource->data);
999 break;
1000
1001 case ACPI_RSTYPE_FIXED_IO:
1002 acpi_rs_dump_fixed_io(&resource->data);
1003 break;
1004
1005 case ACPI_RSTYPE_VENDOR:
1006 acpi_rs_dump_vendor_specific(&resource->data);
1007 break;
1008
1009 case ACPI_RSTYPE_END_TAG:
1010 /*rs_dump_end_tag (Resource->Data); */
1011 acpi_os_printf("end_tag Resource\n");
1012 done = TRUE;
1013 break;
1014
1015 case ACPI_RSTYPE_MEM24:
1016 acpi_rs_dump_memory24(&resource->data);
1017 break;
1018
1019 case ACPI_RSTYPE_MEM32:
1020 acpi_rs_dump_memory32(&resource->data);
1021 break;
1022
1023 case ACPI_RSTYPE_FIXED_MEM32:
1024 acpi_rs_dump_fixed_memory32(&resource->data);
1025 break;
1026
1027 case ACPI_RSTYPE_ADDRESS16:
1028 acpi_rs_dump_address16(&resource->data);
1029 break;
1030
1031 case ACPI_RSTYPE_ADDRESS32:
1032 acpi_rs_dump_address32(&resource->data);
1033 break;
1034
1035 case ACPI_RSTYPE_ADDRESS64:
1036 acpi_rs_dump_address64(&resource->data);
1037 break;
1038
1039 case ACPI_RSTYPE_EXT_IRQ:
1040 acpi_rs_dump_extended_irq(&resource->data);
1041 break;
1042 706
1043 default: 707static void acpi_rs_out_integer16(char *title, u16 value)
1044 acpi_os_printf("Invalid resource type\n"); 708{
1045 break; 709 acpi_os_printf("%27s : %4.4X\n", title, value);
710}
1046 711
1047 } 712static void acpi_rs_out_integer32(char *title, u32 value)
713{
714 acpi_os_printf("%27s : %8.8X\n", title, value);
715}
1048 716
1049 resource = 717static void acpi_rs_out_integer64(char *title, u64 value)
1050 ACPI_PTR_ADD(struct acpi_resource, resource, 718{
1051 resource->length); 719 acpi_os_printf("%27s : %8.8X%8.8X\n", title, ACPI_FORMAT_UINT64(value));
1052 } 720}
1053 }
1054 721
1055 return; 722static void acpi_rs_out_title(char *title)
723{
724 acpi_os_printf("%27s : ", title);
1056} 725}
1057 726
1058/******************************************************************************* 727/*******************************************************************************
1059 * 728 *
1060 * FUNCTION: acpi_rs_dump_irq_list 729 * FUNCTION: acpi_rs_dump*List
1061 * 730 *
1062 * PARAMETERS: route_table - pointer to the routing table to dump. 731 * PARAMETERS: Length - Number of elements in the list
732 * Data - Start of the list
1063 * 733 *
1064 * RETURN: None 734 * RETURN: None
1065 * 735 *
1066 * DESCRIPTION: Dispatches the structures to the correct dump routine. 736 * DESCRIPTION: Miscellaneous functions to dump lists of raw data
1067 * 737 *
1068 ******************************************************************************/ 738 ******************************************************************************/
1069 739
1070void acpi_rs_dump_irq_list(u8 * route_table) 740static void acpi_rs_dump_byte_list(u16 length, u8 * data)
1071{ 741{
1072 u8 *buffer = route_table; 742 u8 i;
1073 u8 count = 0;
1074 u8 done = FALSE;
1075 struct acpi_pci_routing_table *prt_element;
1076 743
1077 ACPI_FUNCTION_ENTRY(); 744 for (i = 0; i < length; i++) {
1078 745 acpi_os_printf("%25s%2.2X : %2.2X\n", "Byte", i, data[i]);
1079 if (acpi_dbg_level & ACPI_LV_RESOURCES && _COMPONENT & acpi_dbg_layer) { 746 }
1080 prt_element = 747}
1081 ACPI_CAST_PTR(struct acpi_pci_routing_table, buffer);
1082
1083 while (!done) {
1084 acpi_os_printf("PCI IRQ Routing Table structure %X.\n",
1085 count++);
1086
1087 acpi_os_printf(" Address: %8.8X%8.8X\n",
1088 ACPI_FORMAT_UINT64(prt_element->
1089 address));
1090 748
1091 acpi_os_printf(" Pin: %X\n", prt_element->pin); 749static void acpi_rs_dump_short_byte_list(u8 length, u8 * data)
750{
751 u8 i;
1092 752
1093 acpi_os_printf(" Source: %s\n", prt_element->source); 753 for (i = 0; i < length; i++) {
754 acpi_os_printf("%X ", data[i]);
755 }
756 acpi_os_printf("\n");
757}
1094 758
1095 acpi_os_printf(" source_index: %X\n", 759static void acpi_rs_dump_dword_list(u8 length, u32 * data)
1096 prt_element->source_index); 760{
761 u8 i;
1097 762
1098 buffer += prt_element->length; 763 for (i = 0; i < length; i++) {
1099 prt_element = 764 acpi_os_printf("%25s%2.2X : %8.8X\n", "Dword", i, data[i]);
1100 ACPI_CAST_PTR(struct acpi_pci_routing_table,
1101 buffer);
1102 if (0 == prt_element->length) {
1103 done = TRUE;
1104 }
1105 }
1106 } 765 }
1107
1108 return;
1109} 766}
1110 767
1111#endif 768#endif
diff --git a/drivers/acpi/resources/rsinfo.c b/drivers/acpi/resources/rsinfo.c
new file mode 100644
index 000000000000..d9ae64b77bd9
--- /dev/null
+++ b/drivers/acpi/resources/rsinfo.c
@@ -0,0 +1,204 @@
1/*******************************************************************************
2 *
3 * Module Name: rsinfo - Dispatch and Info tables
4 *
5 ******************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2006, R. Byron Moore
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44#include <acpi/acpi.h>
45#include <acpi/acresrc.h>
46
47#define _COMPONENT ACPI_RESOURCES
48ACPI_MODULE_NAME("rsinfo")
49
50/*
51 * Resource dispatch and information tables. Any new resource types (either
52 * Large or Small) must be reflected in each of these tables, so they are here
53 * in one place.
54 *
55 * The tables for Large descriptors are indexed by bits 6:0 of the AML
56 * descriptor type byte. The tables for Small descriptors are indexed by
57 * bits 6:3 of the descriptor byte. The tables for internal resource
58 * descriptors are indexed by the acpi_resource_type field.
59 */
60/* Dispatch table for resource-to-AML (Set Resource) conversion functions */
61struct acpi_rsconvert_info *acpi_gbl_set_resource_dispatch[] = {
62 acpi_rs_set_irq, /* 0x00, ACPI_RESOURCE_TYPE_IRQ */
63 acpi_rs_convert_dma, /* 0x01, ACPI_RESOURCE_TYPE_DMA */
64 acpi_rs_set_start_dpf, /* 0x02, ACPI_RESOURCE_TYPE_START_DEPENDENT */
65 acpi_rs_convert_end_dpf, /* 0x03, ACPI_RESOURCE_TYPE_END_DEPENDENT */
66 acpi_rs_convert_io, /* 0x04, ACPI_RESOURCE_TYPE_IO */
67 acpi_rs_convert_fixed_io, /* 0x05, ACPI_RESOURCE_TYPE_FIXED_IO */
68 acpi_rs_set_vendor, /* 0x06, ACPI_RESOURCE_TYPE_VENDOR */
69 acpi_rs_convert_end_tag, /* 0x07, ACPI_RESOURCE_TYPE_END_TAG */
70 acpi_rs_convert_memory24, /* 0x08, ACPI_RESOURCE_TYPE_MEMORY24 */
71 acpi_rs_convert_memory32, /* 0x09, ACPI_RESOURCE_TYPE_MEMORY32 */
72 acpi_rs_convert_fixed_memory32, /* 0x0A, ACPI_RESOURCE_TYPE_FIXED_MEMORY32 */
73 acpi_rs_convert_address16, /* 0x0B, ACPI_RESOURCE_TYPE_ADDRESS16 */
74 acpi_rs_convert_address32, /* 0x0C, ACPI_RESOURCE_TYPE_ADDRESS32 */
75 acpi_rs_convert_address64, /* 0x0D, ACPI_RESOURCE_TYPE_ADDRESS64 */
76 acpi_rs_convert_ext_address64, /* 0x0E, ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64 */
77 acpi_rs_convert_ext_irq, /* 0x0F, ACPI_RESOURCE_TYPE_EXTENDED_IRQ */
78 acpi_rs_convert_generic_reg /* 0x10, ACPI_RESOURCE_TYPE_GENERIC_REGISTER */
79};
80
81/* Dispatch tables for AML-to-resource (Get Resource) conversion functions */
82
83struct acpi_rsconvert_info *acpi_gbl_get_resource_dispatch[] = {
84 /* Small descriptors */
85
86 NULL, /* 0x00, Reserved */
87 NULL, /* 0x01, Reserved */
88 NULL, /* 0x02, Reserved */
89 NULL, /* 0x03, Reserved */
90 acpi_rs_get_irq, /* 0x04, ACPI_RESOURCE_NAME_IRQ */
91 acpi_rs_convert_dma, /* 0x05, ACPI_RESOURCE_NAME_DMA */
92 acpi_rs_get_start_dpf, /* 0x06, ACPI_RESOURCE_NAME_START_DEPENDENT */
93 acpi_rs_convert_end_dpf, /* 0x07, ACPI_RESOURCE_NAME_END_DEPENDENT */
94 acpi_rs_convert_io, /* 0x08, ACPI_RESOURCE_NAME_IO */
95 acpi_rs_convert_fixed_io, /* 0x09, ACPI_RESOURCE_NAME_FIXED_IO */
96 NULL, /* 0x0A, Reserved */
97 NULL, /* 0x0B, Reserved */
98 NULL, /* 0x0C, Reserved */
99 NULL, /* 0x0D, Reserved */
100 acpi_rs_get_vendor_small, /* 0x0E, ACPI_RESOURCE_NAME_VENDOR_SMALL */
101 acpi_rs_convert_end_tag, /* 0x0F, ACPI_RESOURCE_NAME_END_TAG */
102
103 /* Large descriptors */
104
105 NULL, /* 0x00, Reserved */
106 acpi_rs_convert_memory24, /* 0x01, ACPI_RESOURCE_NAME_MEMORY24 */
107 acpi_rs_convert_generic_reg, /* 0x02, ACPI_RESOURCE_NAME_GENERIC_REGISTER */
108 NULL, /* 0x03, Reserved */
109 acpi_rs_get_vendor_large, /* 0x04, ACPI_RESOURCE_NAME_VENDOR_LARGE */
110 acpi_rs_convert_memory32, /* 0x05, ACPI_RESOURCE_NAME_MEMORY32 */
111 acpi_rs_convert_fixed_memory32, /* 0x06, ACPI_RESOURCE_NAME_FIXED_MEMORY32 */
112 acpi_rs_convert_address32, /* 0x07, ACPI_RESOURCE_NAME_ADDRESS32 */
113 acpi_rs_convert_address16, /* 0x08, ACPI_RESOURCE_NAME_ADDRESS16 */
114 acpi_rs_convert_ext_irq, /* 0x09, ACPI_RESOURCE_NAME_EXTENDED_IRQ */
115 acpi_rs_convert_address64, /* 0x0A, ACPI_RESOURCE_NAME_ADDRESS64 */
116 acpi_rs_convert_ext_address64 /* 0x0B, ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64 */
117};
118
119#ifdef ACPI_FUTURE_USAGE
120#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
121
122/* Dispatch table for resource dump functions */
123
124struct acpi_rsdump_info *acpi_gbl_dump_resource_dispatch[] = {
125 acpi_rs_dump_irq, /* ACPI_RESOURCE_TYPE_IRQ */
126 acpi_rs_dump_dma, /* ACPI_RESOURCE_TYPE_DMA */
127 acpi_rs_dump_start_dpf, /* ACPI_RESOURCE_TYPE_START_DEPENDENT */
128 acpi_rs_dump_end_dpf, /* ACPI_RESOURCE_TYPE_END_DEPENDENT */
129 acpi_rs_dump_io, /* ACPI_RESOURCE_TYPE_IO */
130 acpi_rs_dump_fixed_io, /* ACPI_RESOURCE_TYPE_FIXED_IO */
131 acpi_rs_dump_vendor, /* ACPI_RESOURCE_TYPE_VENDOR */
132 acpi_rs_dump_end_tag, /* ACPI_RESOURCE_TYPE_END_TAG */
133 acpi_rs_dump_memory24, /* ACPI_RESOURCE_TYPE_MEMORY24 */
134 acpi_rs_dump_memory32, /* ACPI_RESOURCE_TYPE_MEMORY32 */
135 acpi_rs_dump_fixed_memory32, /* ACPI_RESOURCE_TYPE_FIXED_MEMORY32 */
136 acpi_rs_dump_address16, /* ACPI_RESOURCE_TYPE_ADDRESS16 */
137 acpi_rs_dump_address32, /* ACPI_RESOURCE_TYPE_ADDRESS32 */
138 acpi_rs_dump_address64, /* ACPI_RESOURCE_TYPE_ADDRESS64 */
139 acpi_rs_dump_ext_address64, /* ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64 */
140 acpi_rs_dump_ext_irq, /* ACPI_RESOURCE_TYPE_EXTENDED_IRQ */
141 acpi_rs_dump_generic_reg, /* ACPI_RESOURCE_TYPE_GENERIC_REGISTER */
142};
143#endif
144#endif /* ACPI_FUTURE_USAGE */
145/*
146 * Base sizes for external AML resource descriptors, indexed by internal type.
147 * Includes size of the descriptor header (1 byte for small descriptors,
148 * 3 bytes for large descriptors)
149 */
150const u8 acpi_gbl_aml_resource_sizes[] = {
151 sizeof(struct aml_resource_irq), /* ACPI_RESOURCE_TYPE_IRQ (optional Byte 3 always created) */
152 sizeof(struct aml_resource_dma), /* ACPI_RESOURCE_TYPE_DMA */
153 sizeof(struct aml_resource_start_dependent), /* ACPI_RESOURCE_TYPE_START_DEPENDENT (optional Byte 1 always created) */
154 sizeof(struct aml_resource_end_dependent), /* ACPI_RESOURCE_TYPE_END_DEPENDENT */
155 sizeof(struct aml_resource_io), /* ACPI_RESOURCE_TYPE_IO */
156 sizeof(struct aml_resource_fixed_io), /* ACPI_RESOURCE_TYPE_FIXED_IO */
157 sizeof(struct aml_resource_vendor_small), /* ACPI_RESOURCE_TYPE_VENDOR */
158 sizeof(struct aml_resource_end_tag), /* ACPI_RESOURCE_TYPE_END_TAG */
159 sizeof(struct aml_resource_memory24), /* ACPI_RESOURCE_TYPE_MEMORY24 */
160 sizeof(struct aml_resource_memory32), /* ACPI_RESOURCE_TYPE_MEMORY32 */
161 sizeof(struct aml_resource_fixed_memory32), /* ACPI_RESOURCE_TYPE_FIXED_MEMORY32 */
162 sizeof(struct aml_resource_address16), /* ACPI_RESOURCE_TYPE_ADDRESS16 */
163 sizeof(struct aml_resource_address32), /* ACPI_RESOURCE_TYPE_ADDRESS32 */
164 sizeof(struct aml_resource_address64), /* ACPI_RESOURCE_TYPE_ADDRESS64 */
165 sizeof(struct aml_resource_extended_address64), /*ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64 */
166 sizeof(struct aml_resource_extended_irq), /* ACPI_RESOURCE_TYPE_EXTENDED_IRQ */
167 sizeof(struct aml_resource_generic_register) /* ACPI_RESOURCE_TYPE_GENERIC_REGISTER */
168};
169
170const u8 acpi_gbl_resource_struct_sizes[] = {
171 /* Small descriptors */
172
173 0,
174 0,
175 0,
176 0,
177 ACPI_RS_SIZE(struct acpi_resource_irq),
178 ACPI_RS_SIZE(struct acpi_resource_dma),
179 ACPI_RS_SIZE(struct acpi_resource_start_dependent),
180 ACPI_RS_SIZE_MIN,
181 ACPI_RS_SIZE(struct acpi_resource_io),
182 ACPI_RS_SIZE(struct acpi_resource_fixed_io),
183 0,
184 0,
185 0,
186 0,
187 ACPI_RS_SIZE(struct acpi_resource_vendor),
188 ACPI_RS_SIZE_MIN,
189
190 /* Large descriptors */
191
192 0,
193 ACPI_RS_SIZE(struct acpi_resource_memory24),
194 ACPI_RS_SIZE(struct acpi_resource_generic_register),
195 0,
196 ACPI_RS_SIZE(struct acpi_resource_vendor),
197 ACPI_RS_SIZE(struct acpi_resource_memory32),
198 ACPI_RS_SIZE(struct acpi_resource_fixed_memory32),
199 ACPI_RS_SIZE(struct acpi_resource_address32),
200 ACPI_RS_SIZE(struct acpi_resource_address16),
201 ACPI_RS_SIZE(struct acpi_resource_extended_irq),
202 ACPI_RS_SIZE(struct acpi_resource_address64),
203 ACPI_RS_SIZE(struct acpi_resource_extended_address64)
204};
diff --git a/drivers/acpi/resources/rsio.c b/drivers/acpi/resources/rsio.c
index d53bbe89e851..ea567167c4f2 100644
--- a/drivers/acpi/resources/rsio.c
+++ b/drivers/acpi/resources/rsio.c
@@ -5,7 +5,7 @@
5 ******************************************************************************/ 5 ******************************************************************************/
6 6
7/* 7/*
8 * Copyright (C) 2000 - 2005, R. Byron Moore 8 * Copyright (C) 2000 - 2006, R. Byron Moore
9 * All rights reserved. 9 * All rights reserved.
10 * 10 *
11 * Redistribution and use in source and binary forms, with or without 11 * Redistribution and use in source and binary forms, with or without
@@ -49,428 +49,206 @@ ACPI_MODULE_NAME("rsio")
49 49
50/******************************************************************************* 50/*******************************************************************************
51 * 51 *
52 * FUNCTION: acpi_rs_io_resource 52 * acpi_rs_convert_io
53 * 53 *
54 * PARAMETERS: byte_stream_buffer - Pointer to the resource input byte 54 ******************************************************************************/
55 * stream 55struct acpi_rsconvert_info acpi_rs_convert_io[5] = {
56 * bytes_consumed - Pointer to where the number of bytes 56 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IO,
57 * consumed the byte_stream_buffer is 57 ACPI_RS_SIZE(struct acpi_resource_io),
58 * returned 58 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_io)},
59 * output_buffer - Pointer to the return data buffer 59
60 * structure_size - Pointer to where the number of bytes 60 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IO,
61 * in the return data struct is returned 61 sizeof(struct aml_resource_io),
62 * 62 0},
63 * RETURN: Status 63
64 /* Decode flag */
65
66 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.io.io_decode),
67 AML_OFFSET(io.flags),
68 0},
69 /*
70 * These fields are contiguous in both the source and destination:
71 * Address Alignment
72 * Length
73 * Minimum Base Address
74 * Maximum Base Address
75 */
76 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.io.alignment),
77 AML_OFFSET(io.alignment),
78 2},
79
80 {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.io.minimum),
81 AML_OFFSET(io.minimum),
82 2}
83};
84
85/*******************************************************************************
64 * 86 *
65 * DESCRIPTION: Take the resource byte stream and fill out the appropriate 87 * acpi_rs_convert_fixed_io
66 * structure pointed to by the output_buffer. Return the
67 * number of bytes consumed from the byte stream.
68 * 88 *
69 ******************************************************************************/ 89 ******************************************************************************/
70acpi_status
71acpi_rs_io_resource(u8 * byte_stream_buffer,
72 acpi_size * bytes_consumed,
73 u8 ** output_buffer, acpi_size * structure_size)
74{
75 u8 *buffer = byte_stream_buffer;
76 struct acpi_resource *output_struct = (void *)*output_buffer;
77 u16 temp16 = 0;
78 u8 temp8 = 0;
79 acpi_size struct_size = ACPI_SIZEOF_RESOURCE(struct acpi_resource_io);
80
81 ACPI_FUNCTION_TRACE("rs_io_resource");
82
83 /* The number of bytes consumed are Constant */
84
85 *bytes_consumed = 8;
86
87 output_struct->id = ACPI_RSTYPE_IO;
88
89 /* Check Decode */
90
91 buffer += 1;
92 temp8 = *buffer;
93
94 output_struct->data.io.io_decode = temp8 & 0x01;
95
96 /* Check min_base Address */
97
98 buffer += 1;
99 ACPI_MOVE_16_TO_16(&temp16, buffer);
100
101 output_struct->data.io.min_base_address = temp16;
102
103 /* Check max_base Address */
104 90
105 buffer += 2; 91struct acpi_rsconvert_info acpi_rs_convert_fixed_io[4] = {
106 ACPI_MOVE_16_TO_16(&temp16, buffer); 92 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_IO,
107 93 ACPI_RS_SIZE(struct acpi_resource_fixed_io),
108 output_struct->data.io.max_base_address = temp16; 94 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_fixed_io)},
109 95
110 /* Check Base alignment */ 96 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_IO,
111 97 sizeof(struct aml_resource_fixed_io),
112 buffer += 2; 98 0},
113 temp8 = *buffer; 99 /*
114 100 * These fields are contiguous in both the source and destination:
115 output_struct->data.io.alignment = temp8; 101 * Base Address
116 102 * Length
117 /* Check range_length */ 103 */
118 104 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.fixed_io.address_length),
119 buffer += 1; 105 AML_OFFSET(fixed_io.address_length),
120 temp8 = *buffer; 106 1},
121 107
122 output_struct->data.io.range_length = temp8; 108 {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.fixed_io.address),
123 109 AML_OFFSET(fixed_io.address),
124 /* Set the Length parameter */ 110 1}
125 111};
126 output_struct->length = (u32) struct_size;
127
128 /* Return the final size of the structure */
129
130 *structure_size = struct_size;
131 return_ACPI_STATUS(AE_OK);
132}
133 112
134/******************************************************************************* 113/*******************************************************************************
135 * 114 *
136 * FUNCTION: acpi_rs_fixed_io_resource 115 * acpi_rs_convert_generic_reg
137 *
138 * PARAMETERS: byte_stream_buffer - Pointer to the resource input byte
139 * stream
140 * bytes_consumed - Pointer to where the number of bytes
141 * consumed the byte_stream_buffer is
142 * returned
143 * output_buffer - Pointer to the return data buffer
144 * structure_size - Pointer to where the number of bytes
145 * in the return data struct is returned
146 *
147 * RETURN: Status
148 *
149 * DESCRIPTION: Take the resource byte stream and fill out the appropriate
150 * structure pointed to by the output_buffer. Return the
151 * number of bytes consumed from the byte stream.
152 * 116 *
153 ******************************************************************************/ 117 ******************************************************************************/
154 118
155acpi_status 119struct acpi_rsconvert_info acpi_rs_convert_generic_reg[4] = {
156acpi_rs_fixed_io_resource(u8 * byte_stream_buffer, 120 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_GENERIC_REGISTER,
157 acpi_size * bytes_consumed, 121 ACPI_RS_SIZE(struct acpi_resource_generic_register),
158 u8 ** output_buffer, acpi_size * structure_size) 122 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_generic_reg)},
159{ 123
160 u8 *buffer = byte_stream_buffer; 124 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_GENERIC_REGISTER,
161 struct acpi_resource *output_struct = (void *)*output_buffer; 125 sizeof(struct aml_resource_generic_register),
162 u16 temp16 = 0; 126 0},
163 u8 temp8 = 0; 127 /*
164 acpi_size struct_size = 128 * These fields are contiguous in both the source and destination:
165 ACPI_SIZEOF_RESOURCE(struct acpi_resource_fixed_io); 129 * Address Space ID
166 130 * Register Bit Width
167 ACPI_FUNCTION_TRACE("rs_fixed_io_resource"); 131 * Register Bit Offset
168 132 * Access Size
169 /* The number of bytes consumed are Constant */ 133 */
170 134 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.generic_reg.space_id),
171 *bytes_consumed = 4; 135 AML_OFFSET(generic_reg.address_space_id),
172 136 4},
173 output_struct->id = ACPI_RSTYPE_FIXED_IO; 137
174 138 /* Get the Register Address */
175 /* Check Range Base Address */ 139
176 140 {ACPI_RSC_MOVE64, ACPI_RS_OFFSET(data.generic_reg.address),
177 buffer += 1; 141 AML_OFFSET(generic_reg.address),
178 ACPI_MOVE_16_TO_16(&temp16, buffer); 142 1}
179 143};
180 output_struct->data.fixed_io.base_address = temp16;
181
182 /* Check range_length */
183
184 buffer += 2;
185 temp8 = *buffer;
186
187 output_struct->data.fixed_io.range_length = temp8;
188
189 /* Set the Length parameter */
190
191 output_struct->length = (u32) struct_size;
192
193 /* Return the final size of the structure */
194
195 *structure_size = struct_size;
196 return_ACPI_STATUS(AE_OK);
197}
198 144
199/******************************************************************************* 145/*******************************************************************************
200 * 146 *
201 * FUNCTION: acpi_rs_io_stream 147 * acpi_rs_convert_end_dpf
202 *
203 * PARAMETERS: linked_list - Pointer to the resource linked list
204 * output_buffer - Pointer to the user's return buffer
205 * bytes_consumed - Pointer to where the number of bytes
206 * used in the output_buffer is returned
207 *
208 * RETURN: Status
209 *
210 * DESCRIPTION: Take the linked list resource structure and fills in the
211 * the appropriate bytes in a byte stream
212 * 148 *
213 ******************************************************************************/ 149 ******************************************************************************/
214 150
215acpi_status 151struct acpi_rsconvert_info acpi_rs_convert_end_dpf[2] = {
216acpi_rs_io_stream(struct acpi_resource *linked_list, 152 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_END_DEPENDENT,
217 u8 ** output_buffer, acpi_size * bytes_consumed) 153 ACPI_RS_SIZE_MIN,
218{ 154 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_end_dpf)},
219 u8 *buffer = *output_buffer;
220 u16 temp16 = 0;
221 u8 temp8 = 0;
222
223 ACPI_FUNCTION_TRACE("rs_io_stream");
224
225 /* The descriptor field is static */
226
227 *buffer = 0x47;
228 buffer += 1;
229
230 /* Io Information Byte */
231
232 temp8 = (u8) (linked_list->data.io.io_decode & 0x01);
233
234 *buffer = temp8;
235 buffer += 1;
236
237 /* Set the Range minimum base address */
238
239 temp16 = (u16) linked_list->data.io.min_base_address;
240
241 ACPI_MOVE_16_TO_16(buffer, &temp16);
242 buffer += 2;
243
244 /* Set the Range maximum base address */
245
246 temp16 = (u16) linked_list->data.io.max_base_address;
247 155
248 ACPI_MOVE_16_TO_16(buffer, &temp16); 156 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_END_DEPENDENT,
249 buffer += 2; 157 sizeof(struct aml_resource_end_dependent),
250 158 0}
251 /* Set the base alignment */ 159};
252
253 temp8 = (u8) linked_list->data.io.alignment;
254
255 *buffer = temp8;
256 buffer += 1;
257
258 /* Set the range length */
259
260 temp8 = (u8) linked_list->data.io.range_length;
261
262 *buffer = temp8;
263 buffer += 1;
264
265 /* Return the number of bytes consumed in this operation */
266
267 *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer);
268 return_ACPI_STATUS(AE_OK);
269}
270 160
271/******************************************************************************* 161/*******************************************************************************
272 * 162 *
273 * FUNCTION: acpi_rs_fixed_io_stream 163 * acpi_rs_convert_end_tag
274 *
275 * PARAMETERS: linked_list - Pointer to the resource linked list
276 * output_buffer - Pointer to the user's return buffer
277 * bytes_consumed - Pointer to where the number of bytes
278 * used in the output_buffer is returned
279 *
280 * RETURN: Status
281 *
282 * DESCRIPTION: Take the linked list resource structure and fills in the
283 * the appropriate bytes in a byte stream
284 * 164 *
285 ******************************************************************************/ 165 ******************************************************************************/
286 166
287acpi_status 167struct acpi_rsconvert_info acpi_rs_convert_end_tag[2] = {
288acpi_rs_fixed_io_stream(struct acpi_resource *linked_list, 168 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_END_TAG,
289 u8 ** output_buffer, acpi_size * bytes_consumed) 169 ACPI_RS_SIZE_MIN,
290{ 170 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_end_tag)},
291 u8 *buffer = *output_buffer; 171
292 u16 temp16 = 0; 172 /*
293 u8 temp8 = 0; 173 * Note: The checksum field is set to zero, meaning that the resource
294 174 * data is treated as if the checksum operation succeeded.
295 ACPI_FUNCTION_TRACE("rs_fixed_io_stream"); 175 * (ACPI Spec 1.0b Section 6.4.2.8)
296 176 */
297 /* The descriptor field is static */ 177 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_END_TAG,
298 178 sizeof(struct aml_resource_end_tag),
299 *buffer = 0x4B; 179 0}
300 180};
301 buffer += 1;
302
303 /* Set the Range base address */
304
305 temp16 = (u16) linked_list->data.fixed_io.base_address;
306
307 ACPI_MOVE_16_TO_16(buffer, &temp16);
308 buffer += 2;
309
310 /* Set the range length */
311
312 temp8 = (u8) linked_list->data.fixed_io.range_length;
313
314 *buffer = temp8;
315 buffer += 1;
316
317 /* Return the number of bytes consumed in this operation */
318
319 *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer);
320 return_ACPI_STATUS(AE_OK);
321}
322 181
323/******************************************************************************* 182/*******************************************************************************
324 * 183 *
325 * FUNCTION: acpi_rs_dma_resource 184 * acpi_rs_get_start_dpf
326 *
327 * PARAMETERS: byte_stream_buffer - Pointer to the resource input byte
328 * stream
329 * bytes_consumed - Pointer to where the number of bytes
330 * consumed the byte_stream_buffer is
331 * returned
332 * output_buffer - Pointer to the return data buffer
333 * structure_size - Pointer to where the number of bytes
334 * in the return data struct is returned
335 *
336 * RETURN: Status
337 *
338 * DESCRIPTION: Take the resource byte stream and fill out the appropriate
339 * structure pointed to by the output_buffer. Return the
340 * number of bytes consumed from the byte stream.
341 * 185 *
342 ******************************************************************************/ 186 ******************************************************************************/
343 187
344acpi_status 188struct acpi_rsconvert_info acpi_rs_get_start_dpf[5] = {
345acpi_rs_dma_resource(u8 * byte_stream_buffer, 189 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_START_DEPENDENT,
346 acpi_size * bytes_consumed, 190 ACPI_RS_SIZE(struct acpi_resource_start_dependent),
347 u8 ** output_buffer, acpi_size * structure_size) 191 ACPI_RSC_TABLE_SIZE(acpi_rs_get_start_dpf)},
348{
349 u8 *buffer = byte_stream_buffer;
350 struct acpi_resource *output_struct = (void *)*output_buffer;
351 u8 temp8 = 0;
352 u8 index;
353 u8 i;
354 acpi_size struct_size = ACPI_SIZEOF_RESOURCE(struct acpi_resource_dma);
355
356 ACPI_FUNCTION_TRACE("rs_dma_resource");
357
358 /* The number of bytes consumed are Constant */
359 192
360 *bytes_consumed = 3; 193 /* Defaults for Compatibility and Performance priorities */
361 output_struct->id = ACPI_RSTYPE_DMA;
362 194
363 /* Point to the 8-bits of Byte 1 */ 195 {ACPI_RSC_SET8, ACPI_RS_OFFSET(data.start_dpf.compatibility_priority),
196 ACPI_ACCEPTABLE_CONFIGURATION,
197 2},
364 198
365 buffer += 1; 199 /* All done if there is no flag byte present in the descriptor */
366 temp8 = *buffer;
367 200
368 /* Decode the DMA channel bits */ 201 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 1},
369 202
370 for (i = 0, index = 0; index < 8; index++) { 203 /* Flag byte is present, get the flags */
371 if ((temp8 >> index) & 0x01) {
372 output_struct->data.dma.channels[i] = index;
373 i++;
374 }
375 }
376 204
377 /* Zero DMA channels is valid */ 205 {ACPI_RSC_2BITFLAG,
206 ACPI_RS_OFFSET(data.start_dpf.compatibility_priority),
207 AML_OFFSET(start_dpf.flags),
208 0},
378 209
379 output_struct->data.dma.number_of_channels = i; 210 {ACPI_RSC_2BITFLAG,
380 if (i > 0) { 211 ACPI_RS_OFFSET(data.start_dpf.performance_robustness),
381 /* Calculate the structure size based upon the number of interrupts */ 212 AML_OFFSET(start_dpf.flags),
382 213 2}
383 struct_size += ((acpi_size) i - 1) * 4; 214};
384 }
385
386 /* Point to Byte 2 */
387
388 buffer += 1;
389 temp8 = *buffer;
390
391 /* Check for transfer preference (Bits[1:0]) */
392
393 output_struct->data.dma.transfer = temp8 & 0x03;
394
395 if (0x03 == output_struct->data.dma.transfer) {
396 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
397 "Invalid DMA.Transfer preference (3)\n"));
398 return_ACPI_STATUS(AE_BAD_DATA);
399 }
400
401 /* Get bus master preference (Bit[2]) */
402
403 output_struct->data.dma.bus_master = (temp8 >> 2) & 0x01;
404
405 /* Get channel speed support (Bits[6:5]) */
406
407 output_struct->data.dma.type = (temp8 >> 5) & 0x03;
408
409 /* Set the Length parameter */
410
411 output_struct->length = (u32) struct_size;
412
413 /* Return the final size of the structure */
414
415 *structure_size = struct_size;
416 return_ACPI_STATUS(AE_OK);
417}
418 215
419/******************************************************************************* 216/*******************************************************************************
420 * 217 *
421 * FUNCTION: acpi_rs_dma_stream 218 * acpi_rs_set_start_dpf
422 *
423 * PARAMETERS: linked_list - Pointer to the resource linked list
424 * output_buffer - Pointer to the user's return buffer
425 * bytes_consumed - Pointer to where the number of bytes
426 * used in the output_buffer is returned
427 *
428 * RETURN: Status
429 *
430 * DESCRIPTION: Take the linked list resource structure and fills in the
431 * the appropriate bytes in a byte stream
432 * 219 *
433 ******************************************************************************/ 220 ******************************************************************************/
434 221
435acpi_status 222struct acpi_rsconvert_info acpi_rs_set_start_dpf[6] = {
436acpi_rs_dma_stream(struct acpi_resource *linked_list, 223 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_START_DEPENDENT,
437 u8 ** output_buffer, acpi_size * bytes_consumed) 224 sizeof(struct aml_resource_start_dependent),
438{ 225 ACPI_RSC_TABLE_SIZE(acpi_rs_set_start_dpf)},
439 u8 *buffer = *output_buffer; 226
440 u16 temp16 = 0; 227 /* Set the default flag values */
441 u8 temp8 = 0; 228
442 u8 index; 229 {ACPI_RSC_2BITFLAG,
443 230 ACPI_RS_OFFSET(data.start_dpf.compatibility_priority),
444 ACPI_FUNCTION_TRACE("rs_dma_stream"); 231 AML_OFFSET(start_dpf.flags),
445 232 0},
446 /* The descriptor field is static */ 233
447 234 {ACPI_RSC_2BITFLAG,
448 *buffer = 0x2A; 235 ACPI_RS_OFFSET(data.start_dpf.performance_robustness),
449 buffer += 1; 236 AML_OFFSET(start_dpf.flags),
450 temp8 = 0; 237 2},
451 238 /*
452 /* Loop through all of the Channels and set the mask bits */ 239 * All done if flags byte is necessary -- if either priority value
453 240 * is not ACPI_ACCEPTABLE_CONFIGURATION
454 for (index = 0; 241 */
455 index < linked_list->data.dma.number_of_channels; index++) { 242 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
456 temp16 = (u16) linked_list->data.dma.channels[index]; 243 ACPI_RS_OFFSET(data.start_dpf.compatibility_priority),
457 temp8 |= 0x1 << temp16; 244 ACPI_ACCEPTABLE_CONFIGURATION},
458 } 245
459 246 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
460 *buffer = temp8; 247 ACPI_RS_OFFSET(data.start_dpf.performance_robustness),
461 buffer += 1; 248 ACPI_ACCEPTABLE_CONFIGURATION},
462 249
463 /* Set the DMA Info */ 250 /* Flag byte is not necessary */
464 251
465 temp8 = (u8) ((linked_list->data.dma.type & 0x03) << 5); 252 {ACPI_RSC_LENGTH, 0, 0,
466 temp8 |= ((linked_list->data.dma.bus_master & 0x01) << 2); 253 sizeof(struct aml_resource_start_dependent_noprio)}
467 temp8 |= (linked_list->data.dma.transfer & 0x03); 254};
468
469 *buffer = temp8;
470 buffer += 1;
471
472 /* Return the number of bytes consumed in this operation */
473
474 *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer);
475 return_ACPI_STATUS(AE_OK);
476}
diff --git a/drivers/acpi/resources/rsirq.c b/drivers/acpi/resources/rsirq.c
index 56043fee96cb..1fa63bc2e36f 100644
--- a/drivers/acpi/resources/rsirq.c
+++ b/drivers/acpi/resources/rsirq.c
@@ -5,7 +5,7 @@
5 ******************************************************************************/ 5 ******************************************************************************/
6 6
7/* 7/*
8 * Copyright (C) 2000 - 2005, R. Byron Moore 8 * Copyright (C) 2000 - 2006, R. Byron Moore
9 * All rights reserved. 9 * All rights reserved.
10 * 10 *
11 * Redistribution and use in source and binary forms, with or without 11 * Redistribution and use in source and binary forms, with or without
@@ -49,504 +49,182 @@ ACPI_MODULE_NAME("rsirq")
49 49
50/******************************************************************************* 50/*******************************************************************************
51 * 51 *
52 * FUNCTION: acpi_rs_irq_resource 52 * acpi_rs_get_irq
53 *
54 * PARAMETERS: byte_stream_buffer - Pointer to the resource input byte
55 * stream
56 * bytes_consumed - Pointer to where the number of bytes
57 * consumed the byte_stream_buffer is
58 * returned
59 * output_buffer - Pointer to the return data buffer
60 * structure_size - Pointer to where the number of bytes
61 * in the return data struct is returned
62 *
63 * RETURN: Status
64 *
65 * DESCRIPTION: Take the resource byte stream and fill out the appropriate
66 * structure pointed to by the output_buffer. Return the
67 * number of bytes consumed from the byte stream.
68 * 53 *
69 ******************************************************************************/ 54 ******************************************************************************/
70acpi_status 55struct acpi_rsconvert_info acpi_rs_get_irq[7] = {
71acpi_rs_irq_resource(u8 * byte_stream_buffer, 56 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IRQ,
72 acpi_size * bytes_consumed, 57 ACPI_RS_SIZE(struct acpi_resource_irq),
73 u8 ** output_buffer, acpi_size * structure_size) 58 ACPI_RSC_TABLE_SIZE(acpi_rs_get_irq)},
74{
75 u8 *buffer = byte_stream_buffer;
76 struct acpi_resource *output_struct = (void *)*output_buffer;
77 u16 temp16 = 0;
78 u8 temp8 = 0;
79 u8 index;
80 u8 i;
81 acpi_size struct_size = ACPI_SIZEOF_RESOURCE(struct acpi_resource_irq);
82
83 ACPI_FUNCTION_TRACE("rs_irq_resource");
84
85 /*
86 * The number of bytes consumed are contained in the descriptor
87 * (Bits:0-1)
88 */
89 temp8 = *buffer;
90 *bytes_consumed = (temp8 & 0x03) + 1;
91 output_struct->id = ACPI_RSTYPE_IRQ;
92
93 /* Point to the 16-bits of Bytes 1 and 2 */
94
95 buffer += 1;
96 ACPI_MOVE_16_TO_16(&temp16, buffer);
97
98 output_struct->data.irq.number_of_interrupts = 0;
99
100 /* Decode the IRQ bits */
101
102 for (i = 0, index = 0; index < 16; index++) {
103 if ((temp16 >> index) & 0x01) {
104 output_struct->data.irq.interrupts[i] = index;
105 i++;
106 }
107 }
108 59
109 /* Zero interrupts is valid */ 60 /* Get the IRQ mask (bytes 1:2) */
110 61
111 output_struct->data.irq.number_of_interrupts = i; 62 {ACPI_RSC_BITMASK16, ACPI_RS_OFFSET(data.irq.interrupts[0]),
112 if (i > 0) { 63 AML_OFFSET(irq.irq_mask),
113 /* Calculate the structure size based upon the number of interrupts */ 64 ACPI_RS_OFFSET(data.irq.interrupt_count)},
114 65
115 struct_size += ((acpi_size) i - 1) * 4; 66 /* Set default flags (others are zero) */
116 }
117 67
118 /* Point to Byte 3 if it is used */ 68 {ACPI_RSC_SET8, ACPI_RS_OFFSET(data.irq.triggering),
69 ACPI_EDGE_SENSITIVE,
70 1},
119 71
120 if (4 == *bytes_consumed) { 72 /* All done if no flag byte present in descriptor */
121 buffer += 2;
122 temp8 = *buffer;
123 73
124 /* Check for HE, LL interrupts */ 74 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 3},
125 75
126 switch (temp8 & 0x09) { 76 /* Get flags: Triggering[0], Polarity[3], Sharing[4] */
127 case 0x01: /* HE */
128 output_struct->data.irq.edge_level =
129 ACPI_EDGE_SENSITIVE;
130 output_struct->data.irq.active_high_low =
131 ACPI_ACTIVE_HIGH;
132 break;
133 77
134 case 0x08: /* LL */ 78 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.triggering),
135 output_struct->data.irq.edge_level = 79 AML_OFFSET(irq.flags),
136 ACPI_LEVEL_SENSITIVE; 80 0},
137 output_struct->data.irq.active_high_low =
138 ACPI_ACTIVE_LOW;
139 break;
140 81
141 default: 82 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.polarity),
142 /* 83 AML_OFFSET(irq.flags),
143 * Only _LL and _HE polarity/trigger interrupts 84 3},
144 * are allowed (ACPI spec, section "IRQ Format")
145 * so 0x00 and 0x09 are illegal.
146 */
147 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
148 "Invalid interrupt polarity/trigger in resource list, %X\n",
149 temp8));
150 return_ACPI_STATUS(AE_BAD_DATA);
151 }
152 85
153 /* Check for sharable */ 86 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.sharable),
154 87 AML_OFFSET(irq.flags),
155 output_struct->data.irq.shared_exclusive = (temp8 >> 3) & 0x01; 88 4}
156 } else { 89};
157 /*
158 * Assume Edge Sensitive, Active High, Non-Sharable
159 * per ACPI Specification
160 */
161 output_struct->data.irq.edge_level = ACPI_EDGE_SENSITIVE;
162 output_struct->data.irq.active_high_low = ACPI_ACTIVE_HIGH;
163 output_struct->data.irq.shared_exclusive = ACPI_EXCLUSIVE;
164 }
165
166 /* Set the Length parameter */
167
168 output_struct->length = (u32) struct_size;
169
170 /* Return the final size of the structure */
171
172 *structure_size = struct_size;
173 return_ACPI_STATUS(AE_OK);
174}
175 90
176/******************************************************************************* 91/*******************************************************************************
177 * 92 *
178 * FUNCTION: acpi_rs_irq_stream 93 * acpi_rs_set_irq
179 *
180 * PARAMETERS: linked_list - Pointer to the resource linked list
181 * output_buffer - Pointer to the user's return buffer
182 * bytes_consumed - Pointer to where the number of bytes
183 * used in the output_buffer is returned
184 *
185 * RETURN: Status
186 *
187 * DESCRIPTION: Take the linked list resource structure and fills in the
188 * the appropriate bytes in a byte stream
189 * 94 *
190 ******************************************************************************/ 95 ******************************************************************************/
191 96
192acpi_status 97struct acpi_rsconvert_info acpi_rs_set_irq[9] = {
193acpi_rs_irq_stream(struct acpi_resource *linked_list, 98 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IRQ,
194 u8 ** output_buffer, acpi_size * bytes_consumed) 99 sizeof(struct aml_resource_irq),
195{ 100 ACPI_RSC_TABLE_SIZE(acpi_rs_set_irq)},
196 u8 *buffer = *output_buffer;
197 u16 temp16 = 0;
198 u8 temp8 = 0;
199 u8 index;
200 u8 IRqinfo_byte_needed;
201
202 ACPI_FUNCTION_TRACE("rs_irq_stream");
203
204 /*
205 * The descriptor field is set based upon whether a third byte is
206 * needed to contain the IRQ Information.
207 */
208 if (ACPI_EDGE_SENSITIVE == linked_list->data.irq.edge_level &&
209 ACPI_ACTIVE_HIGH == linked_list->data.irq.active_high_low &&
210 ACPI_EXCLUSIVE == linked_list->data.irq.shared_exclusive) {
211 *buffer = 0x22;
212 IRqinfo_byte_needed = FALSE;
213 } else {
214 *buffer = 0x23;
215 IRqinfo_byte_needed = TRUE;
216 }
217
218 buffer += 1;
219 temp16 = 0;
220
221 /* Loop through all of the interrupts and set the mask bits */
222
223 for (index = 0;
224 index < linked_list->data.irq.number_of_interrupts; index++) {
225 temp8 = (u8) linked_list->data.irq.interrupts[index];
226 temp16 |= 0x1 << temp8;
227 }
228
229 ACPI_MOVE_16_TO_16(buffer, &temp16);
230 buffer += 2;
231
232 /* Set the IRQ Info byte if needed. */
233
234 if (IRqinfo_byte_needed) {
235 temp8 = 0;
236 temp8 = (u8) ((linked_list->data.irq.shared_exclusive &
237 0x01) << 4);
238
239 if (ACPI_LEVEL_SENSITIVE == linked_list->data.irq.edge_level &&
240 ACPI_ACTIVE_LOW == linked_list->data.irq.active_high_low) {
241 temp8 |= 0x08;
242 } else {
243 temp8 |= 0x01;
244 }
245
246 *buffer = temp8;
247 buffer += 1;
248 }
249
250 /* Return the number of bytes consumed in this operation */
251
252 *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer);
253 return_ACPI_STATUS(AE_OK);
254}
255
256/*******************************************************************************
257 *
258 * FUNCTION: acpi_rs_extended_irq_resource
259 *
260 * PARAMETERS: byte_stream_buffer - Pointer to the resource input byte
261 * stream
262 * bytes_consumed - Pointer to where the number of bytes
263 * consumed the byte_stream_buffer is
264 * returned
265 * output_buffer - Pointer to the return data buffer
266 * structure_size - Pointer to where the number of bytes
267 * in the return data struct is returned
268 *
269 * RETURN: Status
270 *
271 * DESCRIPTION: Take the resource byte stream and fill out the appropriate
272 * structure pointed to by the output_buffer. Return the
273 * number of bytes consumed from the byte stream.
274 *
275 ******************************************************************************/
276
277acpi_status
278acpi_rs_extended_irq_resource(u8 * byte_stream_buffer,
279 acpi_size * bytes_consumed,
280 u8 ** output_buffer, acpi_size * structure_size)
281{
282 u8 *buffer = byte_stream_buffer;
283 struct acpi_resource *output_struct = (void *)*output_buffer;
284 u16 temp16 = 0;
285 u8 temp8 = 0;
286 u8 *temp_ptr;
287 u8 index;
288 acpi_size struct_size =
289 ACPI_SIZEOF_RESOURCE(struct acpi_resource_ext_irq);
290
291 ACPI_FUNCTION_TRACE("rs_extended_irq_resource");
292
293 /* Get the Descriptor Length field */
294
295 buffer += 1;
296 ACPI_MOVE_16_TO_16(&temp16, buffer);
297
298 /* Validate minimum descriptor length */
299
300 if (temp16 < 6) {
301 return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH);
302 }
303
304 *bytes_consumed = temp16 + 3;
305 output_struct->id = ACPI_RSTYPE_EXT_IRQ;
306
307 /* Point to the Byte3 */
308
309 buffer += 2;
310 temp8 = *buffer;
311
312 output_struct->data.extended_irq.producer_consumer = temp8 & 0x01;
313 101
314 /* 102 /* Convert interrupt list to 16-bit IRQ bitmask */
315 * Check for Interrupt Mode
316 *
317 * The definition of an Extended IRQ changed between ACPI spec v1.0b
318 * and ACPI spec 2.0 (section 6.4.3.6 in both).
319 *
320 * - Edge/Level are defined opposite in the table vs the headers
321 */
322 output_struct->data.extended_irq.edge_level =
323 (temp8 & 0x2) ? ACPI_EDGE_SENSITIVE : ACPI_LEVEL_SENSITIVE;
324
325 /* Check Interrupt Polarity */
326
327 output_struct->data.extended_irq.active_high_low = (temp8 >> 2) & 0x1;
328
329 /* Check for sharable */
330
331 output_struct->data.extended_irq.shared_exclusive = (temp8 >> 3) & 0x01;
332 103
333 /* Point to Byte4 (IRQ Table length) */ 104 {ACPI_RSC_BITMASK16, ACPI_RS_OFFSET(data.irq.interrupts[0]),
105 AML_OFFSET(irq.irq_mask),
106 ACPI_RS_OFFSET(data.irq.interrupt_count)},
334 107
335 buffer += 1; 108 /* Set the flags byte by default */
336 temp8 = *buffer;
337 109
338 /* Must have at least one IRQ */ 110 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.triggering),
111 AML_OFFSET(irq.flags),
112 0},
339 113
340 if (temp8 < 1) { 114 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.polarity),
341 return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH); 115 AML_OFFSET(irq.flags),
342 } 116 3},
343
344 output_struct->data.extended_irq.number_of_interrupts = temp8;
345 117
118 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.sharable),
119 AML_OFFSET(irq.flags),
120 4},
346 /* 121 /*
347 * Add any additional structure size to properly calculate 122 * Check if the flags byte is necessary. Not needed if the flags are:
348 * the next pointer at the end of this function 123 * ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_HIGH, ACPI_EXCLUSIVE
349 */ 124 */
350 struct_size += (temp8 - 1) * 4; 125 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
351 126 ACPI_RS_OFFSET(data.irq.triggering),
352 /* Point to Byte5 (First IRQ Number) */ 127 ACPI_EDGE_SENSITIVE},
353
354 buffer += 1;
355
356 /* Cycle through every IRQ in the table */
357
358 for (index = 0; index < temp8; index++) {
359 ACPI_MOVE_32_TO_32(&output_struct->data.extended_irq.
360 interrupts[index], buffer);
361
362 /* Point to the next IRQ */
363
364 buffer += 4;
365 }
366
367 /*
368 * This will leave us pointing to the Resource Source Index
369 * If it is present, then save it off and calculate the
370 * pointer to where the null terminated string goes:
371 * Each Interrupt takes 32-bits + the 5 bytes of the
372 * stream that are default.
373 *
374 * Note: Some resource descriptors will have an additional null, so
375 * we add 1 to the length.
376 */
377 if (*bytes_consumed >
378 ((acpi_size) output_struct->data.extended_irq.number_of_interrupts *
379 4) + (5 + 1)) {
380 /* Dereference the Index */
381
382 temp8 = *buffer;
383 output_struct->data.extended_irq.resource_source.index =
384 (u32) temp8;
385
386 /* Point to the String */
387
388 buffer += 1;
389
390 /* Point the String pointer to the end of this structure. */
391
392 output_struct->data.extended_irq.resource_source.string_ptr =
393 (char *)((char *)output_struct + struct_size);
394 128
395 temp_ptr = (u8 *) 129 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
396 output_struct->data.extended_irq.resource_source.string_ptr; 130 ACPI_RS_OFFSET(data.irq.polarity),
131 ACPI_ACTIVE_HIGH},
397 132
398 /* Copy the string into the buffer */ 133 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
134 ACPI_RS_OFFSET(data.irq.sharable),
135 ACPI_EXCLUSIVE},
399 136
400 index = 0; 137 /* irq_no_flags() descriptor can be used */
401 while (*buffer) {
402 *temp_ptr = *buffer;
403 138
404 temp_ptr += 1; 139 {ACPI_RSC_LENGTH, 0, 0, sizeof(struct aml_resource_irq_noflags)}
405 buffer += 1; 140};
406 index += 1;
407 }
408
409 /* Add the terminating null */
410
411 *temp_ptr = 0;
412 output_struct->data.extended_irq.resource_source.string_length =
413 index + 1;
414
415 /*
416 * In order for the struct_size to fall on a 32-bit boundary,
417 * calculate the length of the string and expand the
418 * struct_size to the next 32-bit boundary.
419 */
420 temp8 = (u8) (index + 1);
421 struct_size += ACPI_ROUND_UP_to_32_bITS(temp8);
422 } else {
423 output_struct->data.extended_irq.resource_source.index = 0;
424 output_struct->data.extended_irq.resource_source.string_length =
425 0;
426 output_struct->data.extended_irq.resource_source.string_ptr =
427 NULL;
428 }
429
430 /* Set the Length parameter */
431
432 output_struct->length = (u32) struct_size;
433
434 /* Return the final size of the structure */
435
436 *structure_size = struct_size;
437 return_ACPI_STATUS(AE_OK);
438}
439 141
440/******************************************************************************* 142/*******************************************************************************
441 * 143 *
442 * FUNCTION: acpi_rs_extended_irq_stream 144 * acpi_rs_convert_ext_irq
443 *
444 * PARAMETERS: linked_list - Pointer to the resource linked list
445 * output_buffer - Pointer to the user's return buffer
446 * bytes_consumed - Pointer to where the number of bytes
447 * used in the output_buffer is returned
448 *
449 * RETURN: Status
450 *
451 * DESCRIPTION: Take the linked list resource structure and fills in the
452 * the appropriate bytes in a byte stream
453 * 145 *
454 ******************************************************************************/ 146 ******************************************************************************/
455 147
456acpi_status 148struct acpi_rsconvert_info acpi_rs_convert_ext_irq[9] = {
457acpi_rs_extended_irq_stream(struct acpi_resource *linked_list, 149 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_EXTENDED_IRQ,
458 u8 ** output_buffer, acpi_size * bytes_consumed) 150 ACPI_RS_SIZE(struct acpi_resource_extended_irq),
459{ 151 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_ext_irq)},
460 u8 *buffer = *output_buffer;
461 u16 *length_field;
462 u8 temp8 = 0;
463 u8 index;
464 152
465 ACPI_FUNCTION_TRACE("rs_extended_irq_stream"); 153 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_EXTENDED_IRQ,
154 sizeof(struct aml_resource_extended_irq),
155 0},
466 156
467 /* Set the Descriptor Type field */ 157 /* Flag bits */
468 158
469 *buffer = ACPI_RDESC_TYPE_EXTENDED_XRUPT; 159 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.producer_consumer),
470 buffer += 1; 160 AML_OFFSET(extended_irq.flags),
161 0},
471 162
472 /* Save a pointer to the Length field - to be filled in later */ 163 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.triggering),
164 AML_OFFSET(extended_irq.flags),
165 1},
473 166
474 length_field = ACPI_CAST_PTR(u16, buffer); 167 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.polarity),
475 buffer += 2; 168 AML_OFFSET(extended_irq.flags),
169 2},
476 170
477 /* Set the Interrupt vector flags */ 171 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.sharable),
172 AML_OFFSET(extended_irq.flags),
173 3},
478 174
479 temp8 = (u8) (linked_list->data.extended_irq.producer_consumer & 0x01); 175 /* IRQ Table length (Byte4) */
480 temp8 |=
481 ((linked_list->data.extended_irq.shared_exclusive & 0x01) << 3);
482 176
483 /* 177 {ACPI_RSC_COUNT, ACPI_RS_OFFSET(data.extended_irq.interrupt_count),
484 * Set the Interrupt Mode 178 AML_OFFSET(extended_irq.interrupt_count),
485 * 179 sizeof(u32)}
486 * The definition of an Extended IRQ changed between ACPI spec v1.0b 180 ,
487 * and ACPI spec 2.0 (section 6.4.3.6 in both). This code does not
488 * implement the more restrictive definition of 1.0b
489 *
490 * - Edge/Level are defined opposite in the table vs the headers
491 */
492 if (ACPI_EDGE_SENSITIVE == linked_list->data.extended_irq.edge_level) {
493 temp8 |= 0x2;
494 }
495
496 /* Set the Interrupt Polarity */
497 181
498 temp8 |= ((linked_list->data.extended_irq.active_high_low & 0x1) << 2); 182 /* Copy every IRQ in the table, each is 32 bits */
499 183
500 *buffer = temp8; 184 {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.extended_irq.interrupts[0]),
501 buffer += 1; 185 AML_OFFSET(extended_irq.interrupts[0]),
186 0}
187 ,
502 188
503 /* Set the Interrupt table length */ 189 /* Optional resource_source (Index and String) */
504 190
505 temp8 = (u8) linked_list->data.extended_irq.number_of_interrupts; 191 {ACPI_RSC_SOURCEX, ACPI_RS_OFFSET(data.extended_irq.resource_source),
192 ACPI_RS_OFFSET(data.extended_irq.interrupts[0]),
193 sizeof(struct aml_resource_extended_irq)}
194};
506 195
507 *buffer = temp8; 196/*******************************************************************************
508 buffer += 1; 197 *
509 198 * acpi_rs_convert_dma
510 for (index = 0; 199 *
511 index < linked_list->data.extended_irq.number_of_interrupts; 200 ******************************************************************************/
512 index++) {
513 ACPI_MOVE_32_TO_32(buffer,
514 &linked_list->data.extended_irq.
515 interrupts[index]);
516 buffer += 4;
517 }
518 201
519 /* Resource Source Index and Resource Source are optional */ 202struct acpi_rsconvert_info acpi_rs_convert_dma[6] = {
203 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_DMA,
204 ACPI_RS_SIZE(struct acpi_resource_dma),
205 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_dma)},
520 206
521 if (0 != linked_list->data.extended_irq.resource_source.string_length) { 207 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_DMA,
522 *buffer = 208 sizeof(struct aml_resource_dma),
523 (u8) linked_list->data.extended_irq.resource_source.index; 209 0},
524 buffer += 1;
525 210
526 /* Copy the string */ 211 /* Flags: transfer preference, bus mastering, channel speed */
527 212
528 ACPI_STRCPY((char *)buffer, 213 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.dma.transfer),
529 linked_list->data.extended_irq.resource_source. 214 AML_OFFSET(dma.flags),
530 string_ptr); 215 0},
531 216
532 /* 217 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.dma.bus_master),
533 * Buffer needs to be set to the length of the string + one for the 218 AML_OFFSET(dma.flags),
534 * terminating null 219 2},
535 */
536 buffer +=
537 (acpi_size) (ACPI_STRLEN
538 (linked_list->data.extended_irq.
539 resource_source.string_ptr) + 1);
540 }
541 220
542 /* Return the number of bytes consumed in this operation */ 221 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.dma.type),
222 AML_OFFSET(dma.flags),
223 5},
543 224
544 *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer); 225 /* DMA channel mask bits */
545 226
546 /* 227 {ACPI_RSC_BITMASK, ACPI_RS_OFFSET(data.dma.channels[0]),
547 * Set the length field to the number of bytes consumed 228 AML_OFFSET(dma.dma_channel_mask),
548 * minus the header size (3 bytes) 229 ACPI_RS_OFFSET(data.dma.channel_count)}
549 */ 230};
550 *length_field = (u16) (*bytes_consumed - 3);
551 return_ACPI_STATUS(AE_OK);
552}
diff --git a/drivers/acpi/resources/rslist.c b/drivers/acpi/resources/rslist.c
index 103eb31c284e..1434e786477e 100644
--- a/drivers/acpi/resources/rslist.c
+++ b/drivers/acpi/resources/rslist.c
@@ -5,7 +5,7 @@
5 ******************************************************************************/ 5 ******************************************************************************/
6 6
7/* 7/*
8 * Copyright (C) 2000 - 2005, R. Byron Moore 8 * Copyright (C) 2000 - 2006, R. Byron Moore
9 * All rights reserved. 9 * All rights reserved.
10 * 10 *
11 * Redistribution and use in source and binary forms, with or without 11 * Redistribution and use in source and binary forms, with or without
@@ -49,52 +49,12 @@ ACPI_MODULE_NAME("rslist")
49 49
50/******************************************************************************* 50/*******************************************************************************
51 * 51 *
52 * FUNCTION: acpi_rs_get_resource_type 52 * FUNCTION: acpi_rs_convert_aml_to_resources
53 * 53 *
54 * PARAMETERS: resource_start_byte - Byte 0 of a resource descriptor 54 * PARAMETERS: Aml - Pointer to the resource byte stream
55 * 55 * aml_length - Length of Aml
56 * RETURN: The Resource Type with no extraneous bits 56 * output_buffer - Pointer to the buffer that will
57 * 57 * contain the output structures
58 * DESCRIPTION: Extract the Resource Type/Name from the first byte of
59 * a resource descriptor.
60 *
61 ******************************************************************************/
62u8 acpi_rs_get_resource_type(u8 resource_start_byte)
63{
64
65 ACPI_FUNCTION_ENTRY();
66
67 /* Determine if this is a small or large resource */
68
69 switch (resource_start_byte & ACPI_RDESC_TYPE_MASK) {
70 case ACPI_RDESC_TYPE_SMALL:
71
72 /* Small Resource Type -- Only bits 6:3 are valid */
73
74 return ((u8) (resource_start_byte & ACPI_RDESC_SMALL_MASK));
75
76 case ACPI_RDESC_TYPE_LARGE:
77
78 /* Large Resource Type -- All bits are valid */
79
80 return (resource_start_byte);
81
82 default:
83 /* Invalid type */
84 break;
85 }
86
87 return (0xFF);
88}
89
90/*******************************************************************************
91 *
92 * FUNCTION: acpi_rs_byte_stream_to_list
93 *
94 * PARAMETERS: byte_stream_buffer - Pointer to the resource byte stream
95 * byte_stream_buffer_length - Length of byte_stream_buffer
96 * output_buffer - Pointer to the buffer that will
97 * contain the output structures
98 * 58 *
99 * RETURN: Status 59 * RETURN: Status
100 * 60 *
@@ -102,241 +62,78 @@ u8 acpi_rs_get_resource_type(u8 resource_start_byte)
102 * linked list of resources in the caller's output buffer 62 * linked list of resources in the caller's output buffer
103 * 63 *
104 ******************************************************************************/ 64 ******************************************************************************/
105
106acpi_status 65acpi_status
107acpi_rs_byte_stream_to_list(u8 * byte_stream_buffer, 66acpi_rs_convert_aml_to_resources(u8 * aml, u32 aml_length, u8 * output_buffer)
108 u32 byte_stream_buffer_length, u8 * output_buffer)
109{ 67{
68 struct acpi_resource *resource = (void *)output_buffer;
110 acpi_status status; 69 acpi_status status;
111 acpi_size bytes_parsed = 0; 70 u8 resource_index;
112 u8 resource_type = 0; 71 u8 *end_aml;
113 acpi_size bytes_consumed = 0; 72
114 u8 *buffer = output_buffer; 73 ACPI_FUNCTION_TRACE("rs_convert_aml_to_resources");
115 acpi_size structure_size = 0;
116 u8 end_tag_processed = FALSE;
117 struct acpi_resource *resource;
118
119 ACPI_FUNCTION_TRACE("rs_byte_stream_to_list");
120
121 while (bytes_parsed < byte_stream_buffer_length && !end_tag_processed) {
122 /* The next byte in the stream is the resource type */
123
124 resource_type = acpi_rs_get_resource_type(*byte_stream_buffer);
125
126 switch (resource_type) {
127 case ACPI_RDESC_TYPE_MEMORY_24:
128 /*
129 * 24-Bit Memory Resource
130 */
131 status = acpi_rs_memory24_resource(byte_stream_buffer,
132 &bytes_consumed,
133 &buffer,
134 &structure_size);
135 break;
136
137 case ACPI_RDESC_TYPE_LARGE_VENDOR:
138 /*
139 * Vendor Defined Resource
140 */
141 status = acpi_rs_vendor_resource(byte_stream_buffer,
142 &bytes_consumed,
143 &buffer,
144 &structure_size);
145 break;
146
147 case ACPI_RDESC_TYPE_MEMORY_32:
148 /*
149 * 32-Bit Memory Range Resource
150 */
151 status =
152 acpi_rs_memory32_range_resource(byte_stream_buffer,
153 &bytes_consumed,
154 &buffer,
155 &structure_size);
156 break;
157
158 case ACPI_RDESC_TYPE_FIXED_MEMORY_32:
159 /*
160 * 32-Bit Fixed Memory Resource
161 */
162 status =
163 acpi_rs_fixed_memory32_resource(byte_stream_buffer,
164 &bytes_consumed,
165 &buffer,
166 &structure_size);
167 break;
168
169 case ACPI_RDESC_TYPE_QWORD_ADDRESS_SPACE:
170 case ACPI_RDESC_TYPE_EXTENDED_ADDRESS_SPACE:
171 /*
172 * 64-Bit Address Resource
173 */
174 status = acpi_rs_address64_resource(byte_stream_buffer,
175 &bytes_consumed,
176 &buffer,
177 &structure_size);
178 break;
179
180 case ACPI_RDESC_TYPE_DWORD_ADDRESS_SPACE:
181 /*
182 * 32-Bit Address Resource
183 */
184 status = acpi_rs_address32_resource(byte_stream_buffer,
185 &bytes_consumed,
186 &buffer,
187 &structure_size);
188 break;
189
190 case ACPI_RDESC_TYPE_WORD_ADDRESS_SPACE:
191 /*
192 * 16-Bit Address Resource
193 */
194 status = acpi_rs_address16_resource(byte_stream_buffer,
195 &bytes_consumed,
196 &buffer,
197 &structure_size);
198 break;
199
200 case ACPI_RDESC_TYPE_EXTENDED_XRUPT:
201 /*
202 * Extended IRQ
203 */
204 status =
205 acpi_rs_extended_irq_resource(byte_stream_buffer,
206 &bytes_consumed,
207 &buffer,
208 &structure_size);
209 break;
210
211 case ACPI_RDESC_TYPE_IRQ_FORMAT:
212 /*
213 * IRQ Resource
214 */
215 status = acpi_rs_irq_resource(byte_stream_buffer,
216 &bytes_consumed, &buffer,
217 &structure_size);
218 break;
219
220 case ACPI_RDESC_TYPE_DMA_FORMAT:
221 /*
222 * DMA Resource
223 */
224 status = acpi_rs_dma_resource(byte_stream_buffer,
225 &bytes_consumed, &buffer,
226 &structure_size);
227 break;
228
229 case ACPI_RDESC_TYPE_START_DEPENDENT:
230 /*
231 * Start Dependent Functions Resource
232 */
233 status =
234 acpi_rs_start_depend_fns_resource
235 (byte_stream_buffer, &bytes_consumed, &buffer,
236 &structure_size);
237 break;
238
239 case ACPI_RDESC_TYPE_END_DEPENDENT:
240 /*
241 * End Dependent Functions Resource
242 */
243 status =
244 acpi_rs_end_depend_fns_resource(byte_stream_buffer,
245 &bytes_consumed,
246 &buffer,
247 &structure_size);
248 break;
249
250 case ACPI_RDESC_TYPE_IO_PORT:
251 /*
252 * IO Port Resource
253 */
254 status = acpi_rs_io_resource(byte_stream_buffer,
255 &bytes_consumed, &buffer,
256 &structure_size);
257 break;
258
259 case ACPI_RDESC_TYPE_FIXED_IO_PORT:
260 /*
261 * Fixed IO Port Resource
262 */
263 status = acpi_rs_fixed_io_resource(byte_stream_buffer,
264 &bytes_consumed,
265 &buffer,
266 &structure_size);
267 break;
268
269 case ACPI_RDESC_TYPE_SMALL_VENDOR:
270 /*
271 * Vendor Specific Resource
272 */
273 status = acpi_rs_vendor_resource(byte_stream_buffer,
274 &bytes_consumed,
275 &buffer,
276 &structure_size);
277 break;
278
279 case ACPI_RDESC_TYPE_END_TAG:
280 /*
281 * End Tag
282 */
283 end_tag_processed = TRUE;
284 status = acpi_rs_end_tag_resource(byte_stream_buffer,
285 &bytes_consumed,
286 &buffer,
287 &structure_size);
288 break;
289
290 default:
291 /*
292 * Invalid/Unknown resource type
293 */
294 status = AE_AML_INVALID_RESOURCE_TYPE;
295 break;
296 }
297 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);
298 if (ACPI_FAILURE(status)) { 83 if (ACPI_FAILURE(status)) {
299 return_ACPI_STATUS(status); 84 return_ACPI_STATUS(status);
300 } 85 }
301 86
302 /* Update the return value and counter */ 87 /* Convert the AML byte stream resource to a local resource struct */
303 88
304 bytes_parsed += bytes_consumed; 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 }
305 102
306 /* Set the byte stream to point to the next resource */ 103 /* Normal exit on completion of an end_tag resource descriptor */
307 104
308 byte_stream_buffer += bytes_consumed; 105 if (acpi_ut_get_resource_type(aml) ==
106 ACPI_RESOURCE_NAME_END_TAG) {
107 return_ACPI_STATUS(AE_OK);
108 }
309 109
310 /* Set the Buffer to the next structure */ 110 /* Point to the next input AML resource */
311 111
312 resource = ACPI_CAST_PTR(struct acpi_resource, buffer); 112 aml += acpi_ut_get_descriptor_length(aml);
313 resource->length =
314 (u32) ACPI_ALIGN_RESOURCE_SIZE(resource->length);
315 buffer += ACPI_ALIGN_RESOURCE_SIZE(structure_size);
316 }
317 113
318 /* Check the reason for exiting the while loop */ 114 /* Point to the next structure in the output buffer */
319 115
320 if (!end_tag_processed) { 116 resource =
321 return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG); 117 ACPI_ADD_PTR(struct acpi_resource, resource,
118 resource->length);
322 } 119 }
323 120
324 return_ACPI_STATUS(AE_OK); 121 /* Did not find an end_tag resource descriptor */
122
123 return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG);
325} 124}
326 125
327/******************************************************************************* 126/*******************************************************************************
328 * 127 *
329 * FUNCTION: acpi_rs_list_to_byte_stream 128 * FUNCTION: acpi_rs_convert_resources_to_aml
330 * 129 *
331 * PARAMETERS: linked_list - Pointer to the resource linked list 130 * PARAMETERS: Resource - Pointer to the resource linked list
332 * byte_steam_size_needed - Calculated size of the byte stream 131 * aml_size_needed - Calculated size of the byte stream
333 * needed from calling 132 * needed from calling acpi_rs_get_aml_length()
334 * acpi_rs_get_byte_stream_length() 133 * The size of the output_buffer is
335 * The size of the output_buffer is 134 * guaranteed to be >= aml_size_needed
336 * guaranteed to be >= 135 * output_buffer - Pointer to the buffer that will
337 * byte_stream_size_needed 136 * contain the byte stream
338 * output_buffer - Pointer to the buffer that will
339 * contain the byte stream
340 * 137 *
341 * RETURN: Status 138 * RETURN: Status
342 * 139 *
@@ -346,180 +143,73 @@ acpi_rs_byte_stream_to_list(u8 * byte_stream_buffer,
346 ******************************************************************************/ 143 ******************************************************************************/
347 144
348acpi_status 145acpi_status
349acpi_rs_list_to_byte_stream(struct acpi_resource *linked_list, 146acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
350 acpi_size byte_stream_size_needed, 147 acpi_size aml_size_needed, u8 * output_buffer)
351 u8 * output_buffer)
352{ 148{
149 u8 *aml = output_buffer;
150 u8 *end_aml = output_buffer + aml_size_needed;
353 acpi_status status; 151 acpi_status status;
354 u8 *buffer = output_buffer; 152
355 acpi_size bytes_consumed = 0; 153 ACPI_FUNCTION_TRACE("rs_convert_resources_to_aml");
356 u8 done = FALSE; 154
357 155 /* Walk the resource descriptor list, convert each descriptor */
358 ACPI_FUNCTION_TRACE("rs_list_to_byte_stream"); 156
359 157 while (aml < end_aml) {
360 while (!done) { 158 /* Validate the (internal) Resource Type */
361 switch (linked_list->id) { 159
362 case ACPI_RSTYPE_IRQ: 160 if (resource->type > ACPI_RESOURCE_TYPE_MAX) {
363 /* 161 ACPI_ERROR((AE_INFO,
364 * IRQ Resource 162 "Invalid descriptor type (%X) in resource list",
365 */ 163 resource->type));
366 status = 164 return_ACPI_STATUS(AE_BAD_DATA);
367 acpi_rs_irq_stream(linked_list, &buffer,
368 &bytes_consumed);
369 break;
370
371 case ACPI_RSTYPE_DMA:
372 /*
373 * DMA Resource
374 */
375 status =
376 acpi_rs_dma_stream(linked_list, &buffer,
377 &bytes_consumed);
378 break;
379
380 case ACPI_RSTYPE_START_DPF:
381 /*
382 * Start Dependent Functions Resource
383 */
384 status = acpi_rs_start_depend_fns_stream(linked_list,
385 &buffer,
386 &bytes_consumed);
387 break;
388
389 case ACPI_RSTYPE_END_DPF:
390 /*
391 * End Dependent Functions Resource
392 */
393 status = acpi_rs_end_depend_fns_stream(linked_list,
394 &buffer,
395 &bytes_consumed);
396 break;
397
398 case ACPI_RSTYPE_IO:
399 /*
400 * IO Port Resource
401 */
402 status =
403 acpi_rs_io_stream(linked_list, &buffer,
404 &bytes_consumed);
405 break;
406
407 case ACPI_RSTYPE_FIXED_IO:
408 /*
409 * Fixed IO Port Resource
410 */
411 status =
412 acpi_rs_fixed_io_stream(linked_list, &buffer,
413 &bytes_consumed);
414 break;
415
416 case ACPI_RSTYPE_VENDOR:
417 /*
418 * Vendor Defined Resource
419 */
420 status =
421 acpi_rs_vendor_stream(linked_list, &buffer,
422 &bytes_consumed);
423 break;
424
425 case ACPI_RSTYPE_END_TAG:
426 /*
427 * End Tag
428 */
429 status =
430 acpi_rs_end_tag_stream(linked_list, &buffer,
431 &bytes_consumed);
432
433 /* An End Tag indicates the end of the Resource Template */
434
435 done = TRUE;
436 break;
437
438 case ACPI_RSTYPE_MEM24:
439 /*
440 * 24-Bit Memory Resource
441 */
442 status =
443 acpi_rs_memory24_stream(linked_list, &buffer,
444 &bytes_consumed);
445 break;
446
447 case ACPI_RSTYPE_MEM32:
448 /*
449 * 32-Bit Memory Range Resource
450 */
451 status =
452 acpi_rs_memory32_range_stream(linked_list, &buffer,
453 &bytes_consumed);
454 break;
455
456 case ACPI_RSTYPE_FIXED_MEM32:
457 /*
458 * 32-Bit Fixed Memory Resource
459 */
460 status =
461 acpi_rs_fixed_memory32_stream(linked_list, &buffer,
462 &bytes_consumed);
463 break;
464
465 case ACPI_RSTYPE_ADDRESS16:
466 /*
467 * 16-Bit Address Descriptor Resource
468 */
469 status = acpi_rs_address16_stream(linked_list, &buffer,
470 &bytes_consumed);
471 break;
472
473 case ACPI_RSTYPE_ADDRESS32:
474 /*
475 * 32-Bit Address Descriptor Resource
476 */
477 status = acpi_rs_address32_stream(linked_list, &buffer,
478 &bytes_consumed);
479 break;
480
481 case ACPI_RSTYPE_ADDRESS64:
482 /*
483 * 64-Bit Address Descriptor Resource
484 */
485 status = acpi_rs_address64_stream(linked_list, &buffer,
486 &bytes_consumed);
487 break;
488
489 case ACPI_RSTYPE_EXT_IRQ:
490 /*
491 * Extended IRQ Resource
492 */
493 status =
494 acpi_rs_extended_irq_stream(linked_list, &buffer,
495 &bytes_consumed);
496 break;
497
498 default:
499 /*
500 * If we get here, everything is out of sync,
501 * so exit with an error
502 */
503 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
504 "Invalid descriptor type (%X) in resource list\n",
505 linked_list->id));
506 status = AE_BAD_DATA;
507 break;
508 } 165 }
509 166
167 /* Perform the conversion */
168
169 status = acpi_rs_convert_resource_to_aml(resource,
170 ACPI_CAST_PTR(union
171 aml_resource,
172 aml),
173 acpi_gbl_set_resource_dispatch
174 [resource->type]);
510 if (ACPI_FAILURE(status)) { 175 if (ACPI_FAILURE(status)) {
176 ACPI_EXCEPTION((AE_INFO, status,
177 "Could not convert resource (type %X) to AML",
178 resource->type));
511 return_ACPI_STATUS(status); 179 return_ACPI_STATUS(status);
512 } 180 }
513 181
514 /* Set the Buffer to point to the open byte */ 182 /* Perform final sanity check on the new AML resource descriptor */
183
184 status =
185 acpi_ut_validate_resource(ACPI_CAST_PTR
186 (union aml_resource, aml), NULL);
187 if (ACPI_FAILURE(status)) {
188 return_ACPI_STATUS(status);
189 }
515 190
516 buffer += bytes_consumed; 191 /* Check for end-of-list, normal exit */
517 192
518 /* Point to the next object */ 193 if (resource->type == ACPI_RESOURCE_TYPE_END_TAG) {
194 /* An End Tag indicates the end of the input Resource Template */
519 195
520 linked_list = ACPI_PTR_ADD(struct acpi_resource, 196 return_ACPI_STATUS(AE_OK);
521 linked_list, linked_list->length); 197 }
198
199 /*
200 * Extract the total length of the new descriptor and set the
201 * Aml to point to the next (output) resource descriptor
202 */
203 aml += acpi_ut_get_descriptor_length(aml);
204
205 /* Point to the next input resource descriptor */
206
207 resource =
208 ACPI_ADD_PTR(struct acpi_resource, resource,
209 resource->length);
522 } 210 }
523 211
524 return_ACPI_STATUS(AE_OK); 212 /* Completed buffer, but did not find an end_tag resource descriptor */
213
214 return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG);
525} 215}
diff --git a/drivers/acpi/resources/rsmemory.c b/drivers/acpi/resources/rsmemory.c
index daba1a1ed46d..a5131936d690 100644
--- a/drivers/acpi/resources/rsmemory.c
+++ b/drivers/acpi/resources/rsmemory.c
@@ -5,7 +5,7 @@
5 ******************************************************************************/ 5 ******************************************************************************/
6 6
7/* 7/*
8 * Copyright (C) 2000 - 2005, R. Byron Moore 8 * Copyright (C) 2000 - 2006, R. Byron Moore
9 * All rights reserved. 9 * All rights reserved.
10 * 10 *
11 * Redistribution and use in source and binary forms, with or without 11 * Redistribution and use in source and binary forms, with or without
@@ -49,454 +49,187 @@ ACPI_MODULE_NAME("rsmemory")
49 49
50/******************************************************************************* 50/*******************************************************************************
51 * 51 *
52 * FUNCTION: acpi_rs_memory24_resource 52 * acpi_rs_convert_memory24
53 *
54 * PARAMETERS: byte_stream_buffer - Pointer to the resource input byte
55 * stream
56 * bytes_consumed - Pointer to where the number of bytes
57 * consumed the byte_stream_buffer is
58 * returned
59 * output_buffer - Pointer to the return data buffer
60 * structure_size - Pointer to where the number of bytes
61 * in the return data struct is returned
62 *
63 * RETURN: Status
64 *
65 * DESCRIPTION: Take the resource byte stream and fill out the appropriate
66 * structure pointed to by the output_buffer. Return the
67 * number of bytes consumed from the byte stream.
68 * 53 *
69 ******************************************************************************/ 54 ******************************************************************************/
70acpi_status 55struct acpi_rsconvert_info acpi_rs_convert_memory24[4] = {
71acpi_rs_memory24_resource(u8 * byte_stream_buffer, 56 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_MEMORY24,
72 acpi_size * bytes_consumed, 57 ACPI_RS_SIZE(struct acpi_resource_memory24),
73 u8 ** output_buffer, acpi_size * structure_size) 58 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_memory24)},
74{
75 u8 *buffer = byte_stream_buffer;
76 struct acpi_resource *output_struct = (void *)*output_buffer;
77 u16 temp16 = 0;
78 u8 temp8 = 0;
79 acpi_size struct_size =
80 ACPI_SIZEOF_RESOURCE(struct acpi_resource_mem24);
81
82 ACPI_FUNCTION_TRACE("rs_memory24_resource");
83
84 /* Point past the Descriptor to get the number of bytes consumed */
85
86 buffer += 1;
87
88 ACPI_MOVE_16_TO_16(&temp16, buffer);
89 buffer += 2;
90 *bytes_consumed = (acpi_size) temp16 + 3;
91 output_struct->id = ACPI_RSTYPE_MEM24;
92
93 /* Check Byte 3 the Read/Write bit */
94
95 temp8 = *buffer;
96 buffer += 1;
97 output_struct->data.memory24.read_write_attribute = temp8 & 0x01;
98
99 /* Get min_base_address (Bytes 4-5) */
100
101 ACPI_MOVE_16_TO_16(&temp16, buffer);
102 buffer += 2;
103 output_struct->data.memory24.min_base_address = temp16;
104
105 /* Get max_base_address (Bytes 6-7) */
106
107 ACPI_MOVE_16_TO_16(&temp16, buffer);
108 buffer += 2;
109 output_struct->data.memory24.max_base_address = temp16;
110 59
111 /* Get Alignment (Bytes 8-9) */ 60 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_MEMORY24,
61 sizeof(struct aml_resource_memory24),
62 0},
112 63
113 ACPI_MOVE_16_TO_16(&temp16, buffer); 64 /* Read/Write bit */
114 buffer += 2;
115 output_struct->data.memory24.alignment = temp16;
116 65
117 /* Get range_length (Bytes 10-11) */ 66 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.memory24.write_protect),
118 67 AML_OFFSET(memory24.flags),
119 ACPI_MOVE_16_TO_16(&temp16, buffer); 68 0},
120 output_struct->data.memory24.range_length = temp16; 69 /*
121 70 * These fields are contiguous in both the source and destination:
122 /* Set the Length parameter */ 71 * Minimum Base Address
123 72 * Maximum Base Address
124 output_struct->length = (u32) struct_size; 73 * Address Base Alignment
125 74 * Range Length
126 /* Return the final size of the structure */ 75 */
127 76 {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.memory24.minimum),
128 *structure_size = struct_size; 77 AML_OFFSET(memory24.minimum),
129 return_ACPI_STATUS(AE_OK); 78 4}
130} 79};
131 80
132/******************************************************************************* 81/*******************************************************************************
133 * 82 *
134 * FUNCTION: acpi_rs_memory24_stream 83 * acpi_rs_convert_memory32
135 *
136 * PARAMETERS: linked_list - Pointer to the resource linked list
137 * output_buffer - Pointer to the user's return buffer
138 * bytes_consumed - Pointer to where the number of bytes
139 * used in the output_buffer is returned
140 *
141 * RETURN: Status
142 *
143 * DESCRIPTION: Take the linked list resource structure and fills in the
144 * the appropriate bytes in a byte stream
145 * 84 *
146 ******************************************************************************/ 85 ******************************************************************************/
147 86
148acpi_status 87struct acpi_rsconvert_info acpi_rs_convert_memory32[4] = {
149acpi_rs_memory24_stream(struct acpi_resource *linked_list, 88 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_MEMORY32,
150 u8 ** output_buffer, acpi_size * bytes_consumed) 89 ACPI_RS_SIZE(struct acpi_resource_memory32),
151{ 90 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_memory32)},
152 u8 *buffer = *output_buffer;
153 u16 temp16 = 0;
154 u8 temp8 = 0;
155
156 ACPI_FUNCTION_TRACE("rs_memory24_stream");
157
158 /* The descriptor field is static */
159
160 *buffer = 0x81;
161 buffer += 1;
162 91
163 /* The length field is static */ 92 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_MEMORY32,
93 sizeof(struct aml_resource_memory32),
94 0},
164 95
165 temp16 = 0x09; 96 /* Read/Write bit */
166 ACPI_MOVE_16_TO_16(buffer, &temp16);
167 buffer += 2;
168 97
169 /* Set the Information Byte */ 98 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.memory32.write_protect),
170 99 AML_OFFSET(memory32.flags),
171 temp8 = (u8) (linked_list->data.memory24.read_write_attribute & 0x01); 100 0},
172 *buffer = temp8; 101 /*
173 buffer += 1; 102 * These fields are contiguous in both the source and destination:
174 103 * Minimum Base Address
175 /* Set the Range minimum base address */ 104 * Maximum Base Address
176 105 * Address Base Alignment
177 ACPI_MOVE_32_TO_16(buffer, 106 * Range Length
178 &linked_list->data.memory24.min_base_address); 107 */
179 buffer += 2; 108 {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.memory32.minimum),
180 109 AML_OFFSET(memory32.minimum),
181 /* Set the Range maximum base address */ 110 4}
182 111};
183 ACPI_MOVE_32_TO_16(buffer,
184 &linked_list->data.memory24.max_base_address);
185 buffer += 2;
186
187 /* Set the base alignment */
188
189 ACPI_MOVE_32_TO_16(buffer, &linked_list->data.memory24.alignment);
190 buffer += 2;
191
192 /* Set the range length */
193
194 ACPI_MOVE_32_TO_16(buffer, &linked_list->data.memory24.range_length);
195 buffer += 2;
196
197 /* Return the number of bytes consumed in this operation */
198
199 *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer);
200 return_ACPI_STATUS(AE_OK);
201}
202 112
203/******************************************************************************* 113/*******************************************************************************
204 * 114 *
205 * FUNCTION: acpi_rs_memory32_range_resource 115 * acpi_rs_convert_fixed_memory32
206 *
207 * PARAMETERS: byte_stream_buffer - Pointer to the resource input byte
208 * stream
209 * bytes_consumed - Pointer to where the number of bytes
210 * consumed the byte_stream_buffer is
211 * returned
212 * output_buffer - Pointer to the return data buffer
213 * structure_size - Pointer to where the number of bytes
214 * in the return data struct is returned
215 *
216 * RETURN: Status
217 *
218 * DESCRIPTION: Take the resource byte stream and fill out the appropriate
219 * structure pointed to by the output_buffer. Return the
220 * number of bytes consumed from the byte stream.
221 * 116 *
222 ******************************************************************************/ 117 ******************************************************************************/
223 118
224acpi_status 119struct acpi_rsconvert_info acpi_rs_convert_fixed_memory32[4] = {
225acpi_rs_memory32_range_resource(u8 * byte_stream_buffer, 120 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_MEMORY32,
226 acpi_size * bytes_consumed, 121 ACPI_RS_SIZE(struct acpi_resource_fixed_memory32),
227 u8 ** output_buffer, acpi_size * structure_size) 122 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_fixed_memory32)},
228{
229 u8 *buffer = byte_stream_buffer;
230 struct acpi_resource *output_struct = (void *)*output_buffer;
231 u16 temp16 = 0;
232 u8 temp8 = 0;
233 acpi_size struct_size =
234 ACPI_SIZEOF_RESOURCE(struct acpi_resource_mem32);
235
236 ACPI_FUNCTION_TRACE("rs_memory32_range_resource");
237
238 /* Point past the Descriptor to get the number of bytes consumed */
239
240 buffer += 1;
241 123
242 ACPI_MOVE_16_TO_16(&temp16, buffer); 124 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_MEMORY32,
243 buffer += 2; 125 sizeof(struct aml_resource_fixed_memory32),
244 *bytes_consumed = (acpi_size) temp16 + 3; 126 0},
245 127
246 output_struct->id = ACPI_RSTYPE_MEM32; 128 /* Read/Write bit */
247 129
130 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.fixed_memory32.write_protect),
131 AML_OFFSET(fixed_memory32.flags),
132 0},
248 /* 133 /*
249 * Point to the place in the output buffer where the data portion will 134 * These fields are contiguous in both the source and destination:
250 * begin. 135 * Base Address
251 * 1. Set the RESOURCE_DATA * Data to point to its own address, then 136 * Range Length
252 * 2. Set the pointer to the next address.
253 *
254 * NOTE: output_struct->Data is cast to u8, otherwise, this addition adds
255 * 4 * sizeof(RESOURCE_DATA) instead of 4 * sizeof(u8)
256 */ 137 */
257 138 {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.fixed_memory32.address),
258 /* Check Byte 3 the Read/Write bit */ 139 AML_OFFSET(fixed_memory32.address),
259 140 2}
260 temp8 = *buffer; 141};
261 buffer += 1;
262
263 output_struct->data.memory32.read_write_attribute = temp8 & 0x01;
264
265 /* Get min_base_address (Bytes 4-7) */
266
267 ACPI_MOVE_32_TO_32(&output_struct->data.memory32.min_base_address,
268 buffer);
269 buffer += 4;
270
271 /* Get max_base_address (Bytes 8-11) */
272
273 ACPI_MOVE_32_TO_32(&output_struct->data.memory32.max_base_address,
274 buffer);
275 buffer += 4;
276
277 /* Get Alignment (Bytes 12-15) */
278
279 ACPI_MOVE_32_TO_32(&output_struct->data.memory32.alignment, buffer);
280 buffer += 4;
281
282 /* Get range_length (Bytes 16-19) */
283
284 ACPI_MOVE_32_TO_32(&output_struct->data.memory32.range_length, buffer);
285
286 /* Set the Length parameter */
287
288 output_struct->length = (u32) struct_size;
289
290 /* Return the final size of the structure */
291
292 *structure_size = struct_size;
293 return_ACPI_STATUS(AE_OK);
294}
295 142
296/******************************************************************************* 143/*******************************************************************************
297 * 144 *
298 * FUNCTION: acpi_rs_fixed_memory32_resource 145 * acpi_rs_get_vendor_small
299 *
300 * PARAMETERS: byte_stream_buffer - Pointer to the resource input byte
301 * stream
302 * bytes_consumed - Pointer to where the number of bytes
303 * consumed the byte_stream_buffer is
304 * returned
305 * output_buffer - Pointer to the return data buffer
306 * structure_size - Pointer to where the number of bytes
307 * in the return data struct is returned
308 *
309 * RETURN: Status
310 *
311 * DESCRIPTION: Take the resource byte stream and fill out the appropriate
312 * structure pointed to by the output_buffer. Return the
313 * number of bytes consumed from the byte stream.
314 * 146 *
315 ******************************************************************************/ 147 ******************************************************************************/
316 148
317acpi_status 149struct acpi_rsconvert_info acpi_rs_get_vendor_small[3] = {
318acpi_rs_fixed_memory32_resource(u8 * byte_stream_buffer, 150 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_VENDOR,
319 acpi_size * bytes_consumed, 151 ACPI_RS_SIZE(struct acpi_resource_vendor),
320 u8 ** output_buffer, acpi_size * structure_size) 152 ACPI_RSC_TABLE_SIZE(acpi_rs_get_vendor_small)},
321{
322 u8 *buffer = byte_stream_buffer;
323 struct acpi_resource *output_struct = (void *)*output_buffer;
324 u16 temp16 = 0;
325 u8 temp8 = 0;
326 acpi_size struct_size =
327 ACPI_SIZEOF_RESOURCE(struct acpi_resource_fixed_mem32);
328
329 ACPI_FUNCTION_TRACE("rs_fixed_memory32_resource");
330 153
331 /* Point past the Descriptor to get the number of bytes consumed */ 154 /* Length of the vendor data (byte count) */
332 155
333 buffer += 1; 156 {ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length),
334 ACPI_MOVE_16_TO_16(&temp16, buffer); 157 0,
158 sizeof(u8)}
159 ,
335 160
336 buffer += 2; 161 /* Vendor data */
337 *bytes_consumed = (acpi_size) temp16 + 3;
338 162
339 output_struct->id = ACPI_RSTYPE_FIXED_MEM32; 163 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]),
340 164 sizeof(struct aml_resource_small_header),
341 /* Check Byte 3 the Read/Write bit */ 165 0}
342 166};
343 temp8 = *buffer;
344 buffer += 1;
345 output_struct->data.fixed_memory32.read_write_attribute = temp8 & 0x01;
346
347 /* Get range_base_address (Bytes 4-7) */
348
349 ACPI_MOVE_32_TO_32(&output_struct->data.fixed_memory32.
350 range_base_address, buffer);
351 buffer += 4;
352
353 /* Get range_length (Bytes 8-11) */
354
355 ACPI_MOVE_32_TO_32(&output_struct->data.fixed_memory32.range_length,
356 buffer);
357
358 /* Set the Length parameter */
359
360 output_struct->length = (u32) struct_size;
361
362 /* Return the final size of the structure */
363
364 *structure_size = struct_size;
365 return_ACPI_STATUS(AE_OK);
366}
367 167
368/******************************************************************************* 168/*******************************************************************************
369 * 169 *
370 * FUNCTION: acpi_rs_memory32_range_stream 170 * acpi_rs_get_vendor_large
371 *
372 * PARAMETERS: linked_list - Pointer to the resource linked list
373 * output_buffer - Pointer to the user's return buffer
374 * bytes_consumed - Pointer to where the number of bytes
375 * used in the output_buffer is returned
376 *
377 * RETURN: Status
378 *
379 * DESCRIPTION: Take the linked list resource structure and fills in the
380 * the appropriate bytes in a byte stream
381 * 171 *
382 ******************************************************************************/ 172 ******************************************************************************/
383 173
384acpi_status 174struct acpi_rsconvert_info acpi_rs_get_vendor_large[3] = {
385acpi_rs_memory32_range_stream(struct acpi_resource *linked_list, 175 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_VENDOR,
386 u8 ** output_buffer, acpi_size * bytes_consumed) 176 ACPI_RS_SIZE(struct acpi_resource_vendor),
387{ 177 ACPI_RSC_TABLE_SIZE(acpi_rs_get_vendor_large)},
388 u8 *buffer = *output_buffer;
389 u16 temp16 = 0;
390 u8 temp8 = 0;
391
392 ACPI_FUNCTION_TRACE("rs_memory32_range_stream");
393
394 /* The descriptor field is static */
395
396 *buffer = 0x85;
397 buffer += 1;
398
399 /* The length field is static */
400
401 temp16 = 0x11;
402
403 ACPI_MOVE_16_TO_16(buffer, &temp16);
404 buffer += 2;
405
406 /* Set the Information Byte */
407
408 temp8 = (u8) (linked_list->data.memory32.read_write_attribute & 0x01);
409 *buffer = temp8;
410 buffer += 1;
411
412 /* Set the Range minimum base address */
413
414 ACPI_MOVE_32_TO_32(buffer,
415 &linked_list->data.memory32.min_base_address);
416 buffer += 4;
417
418 /* Set the Range maximum base address */
419
420 ACPI_MOVE_32_TO_32(buffer,
421 &linked_list->data.memory32.max_base_address);
422 buffer += 4;
423 178
424 /* Set the base alignment */ 179 /* Length of the vendor data (byte count) */
425 180
426 ACPI_MOVE_32_TO_32(buffer, &linked_list->data.memory32.alignment); 181 {ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length),
427 buffer += 4; 182 0,
183 sizeof(u8)}
184 ,
428 185
429 /* Set the range length */ 186 /* Vendor data */
430 187
431 ACPI_MOVE_32_TO_32(buffer, &linked_list->data.memory32.range_length); 188 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]),
432 buffer += 4; 189 sizeof(struct aml_resource_large_header),
433 190 0}
434 /* Return the number of bytes consumed in this operation */ 191};
435
436 *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer);
437 return_ACPI_STATUS(AE_OK);
438}
439 192
440/******************************************************************************* 193/*******************************************************************************
441 * 194 *
442 * FUNCTION: acpi_rs_fixed_memory32_stream 195 * acpi_rs_set_vendor
443 *
444 * PARAMETERS: linked_list - Pointer to the resource linked list
445 * output_buffer - Pointer to the user's return buffer
446 * bytes_consumed - Pointer to where the number of bytes
447 * used in the output_buffer is returned
448 *
449 * RETURN: Status
450 *
451 * DESCRIPTION: Take the linked list resource structure and fills in the
452 * the appropriate bytes in a byte stream
453 * 196 *
454 ******************************************************************************/ 197 ******************************************************************************/
455 198
456acpi_status 199struct acpi_rsconvert_info acpi_rs_set_vendor[7] = {
457acpi_rs_fixed_memory32_stream(struct acpi_resource *linked_list, 200 /* Default is a small vendor descriptor */
458 u8 ** output_buffer, acpi_size * bytes_consumed)
459{
460 u8 *buffer = *output_buffer;
461 u16 temp16 = 0;
462 u8 temp8 = 0;
463
464 ACPI_FUNCTION_TRACE("rs_fixed_memory32_stream");
465 201
466 /* The descriptor field is static */ 202 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_VENDOR_SMALL,
203 sizeof(struct aml_resource_small_header),
204 ACPI_RSC_TABLE_SIZE(acpi_rs_set_vendor)},
467 205
468 *buffer = 0x86; 206 /* Get the length and copy the data */
469 buffer += 1;
470 207
471 /* The length field is static */ 208 {ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length),
209 0,
210 0},
472 211
473 temp16 = 0x09; 212 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]),
213 sizeof(struct aml_resource_small_header),
214 0},
474 215
475 ACPI_MOVE_16_TO_16(buffer, &temp16); 216 /*
476 buffer += 2; 217 * All done if the Vendor byte length is 7 or less, meaning that it will
477 218 * fit within a small descriptor
478 /* Set the Information Byte */ 219 */
479 220 {ACPI_RSC_EXIT_LE, 0, 0, 7},
480 temp8 =
481 (u8) (linked_list->data.fixed_memory32.read_write_attribute & 0x01);
482 *buffer = temp8;
483 buffer += 1;
484
485 /* Set the Range base address */
486
487 ACPI_MOVE_32_TO_32(buffer,
488 &linked_list->data.fixed_memory32.
489 range_base_address);
490 buffer += 4;
491 221
492 /* Set the range length */ 222 /* Must create a large vendor descriptor */
493 223
494 ACPI_MOVE_32_TO_32(buffer, 224 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_VENDOR_LARGE,
495 &linked_list->data.fixed_memory32.range_length); 225 sizeof(struct aml_resource_large_header),
496 buffer += 4; 226 0},
497 227
498 /* Return the number of bytes consumed in this operation */ 228 {ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length),
229 0,
230 0},
499 231
500 *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer); 232 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]),
501 return_ACPI_STATUS(AE_OK); 233 sizeof(struct aml_resource_large_header),
502} 234 0}
235};
diff --git a/drivers/acpi/resources/rsmisc.c b/drivers/acpi/resources/rsmisc.c
index 7a8a34e757f5..ed866cf1c6d2 100644
--- a/drivers/acpi/resources/rsmisc.c
+++ b/drivers/acpi/resources/rsmisc.c
@@ -5,7 +5,7 @@
5 ******************************************************************************/ 5 ******************************************************************************/
6 6
7/* 7/*
8 * Copyright (C) 2000 - 2005, R. Byron Moore 8 * Copyright (C) 2000 - 2006, R. Byron Moore
9 * All rights reserved. 9 * All rights reserved.
10 * 10 *
11 * Redistribution and use in source and binary forms, with or without 11 * Redistribution and use in source and binary forms, with or without
@@ -47,481 +47,501 @@
47#define _COMPONENT ACPI_RESOURCES 47#define _COMPONENT ACPI_RESOURCES
48ACPI_MODULE_NAME("rsmisc") 48ACPI_MODULE_NAME("rsmisc")
49 49
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
50/******************************************************************************* 56/*******************************************************************************
51 * 57 *
52 * FUNCTION: acpi_rs_end_tag_resource 58 * FUNCTION: acpi_rs_convert_aml_to_resource
53 * 59 *
54 * PARAMETERS: byte_stream_buffer - Pointer to the resource input byte 60 * PARAMETERS: Resource - Pointer to the resource descriptor
55 * stream 61 * Aml - Where the AML descriptor is returned
56 * bytes_consumed - Pointer to where the number of bytes 62 * Info - Pointer to appropriate conversion table
57 * consumed the byte_stream_buffer is
58 * returned
59 * output_buffer - Pointer to the return data buffer
60 * structure_size - Pointer to where the number of bytes
61 * in the return data struct is returned
62 * 63 *
63 * RETURN: Status 64 * RETURN: Status
64 * 65 *
65 * DESCRIPTION: Take the resource byte stream and fill out the appropriate 66 * DESCRIPTION: Convert an external AML resource descriptor to the corresponding
66 * structure pointed to by the output_buffer. Return the 67 * internal resource descriptor
67 * number of bytes consumed from the byte stream.
68 * 68 *
69 ******************************************************************************/ 69 ******************************************************************************/
70acpi_status 70acpi_status
71acpi_rs_end_tag_resource(u8 * byte_stream_buffer, 71acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
72 acpi_size * bytes_consumed, 72 union aml_resource *aml,
73 u8 ** output_buffer, acpi_size * structure_size) 73 struct acpi_rsconvert_info *info)
74{ 74{
75 struct acpi_resource *output_struct = (void *)*output_buffer; 75 acpi_rs_length aml_resource_length;
76 acpi_size struct_size = ACPI_RESOURCE_LENGTH; 76 void *source;
77 77 void *destination;
78 ACPI_FUNCTION_TRACE("rs_end_tag_resource"); 78 char *target;
79 79 u8 count;
80 /* The number of bytes consumed is static */ 80 u8 flags_mode = FALSE;
81 81 u16 item_count = 0;
82 *bytes_consumed = 2;
83
84 /* Fill out the structure */
85
86 output_struct->id = ACPI_RSTYPE_END_TAG;
87
88 /* Set the Length parameter */
89
90 output_struct->length = 0;
91
92 /* Return the final size of the structure */
93
94 *structure_size = struct_size;
95 return_ACPI_STATUS(AE_OK);
96}
97
98/*******************************************************************************
99 *
100 * FUNCTION: acpi_rs_end_tag_stream
101 *
102 * PARAMETERS: linked_list - Pointer to the resource linked list
103 * output_buffer - Pointer to the user's return buffer
104 * bytes_consumed - Pointer to where the number of bytes
105 * used in the output_buffer is returned
106 *
107 * RETURN: Status
108 *
109 * DESCRIPTION: Take the linked list resource structure and fills in the
110 * the appropriate bytes in a byte stream
111 *
112 ******************************************************************************/
113
114acpi_status
115acpi_rs_end_tag_stream(struct acpi_resource *linked_list,
116 u8 ** output_buffer, acpi_size * bytes_consumed)
117{
118 u8 *buffer = *output_buffer;
119 u8 temp8 = 0;
120
121 ACPI_FUNCTION_TRACE("rs_end_tag_stream");
122
123 /* The descriptor field is static */
124
125 *buffer = 0x79;
126 buffer += 1;
127
128 /*
129 * Set the Checksum - zero means that the resource data is treated as if
130 * the checksum operation succeeded (ACPI Spec 1.0b Section 6.4.2.8)
131 */
132 temp8 = 0;
133
134 *buffer = temp8;
135 buffer += 1;
136
137 /* Return the number of bytes consumed in this operation */
138
139 *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer);
140 return_ACPI_STATUS(AE_OK);
141}
142
143/*******************************************************************************
144 *
145 * FUNCTION: acpi_rs_vendor_resource
146 *
147 * PARAMETERS: byte_stream_buffer - Pointer to the resource input byte
148 * stream
149 * bytes_consumed - Pointer to where the number of bytes
150 * consumed the byte_stream_buffer is
151 * returned
152 * output_buffer - Pointer to the return data buffer
153 * structure_size - Pointer to where the number of bytes
154 * in the return data struct is returned
155 *
156 * RETURN: Status
157 *
158 * DESCRIPTION: Take the resource byte stream and fill out the appropriate
159 * structure pointed to by the output_buffer. Return the
160 * number of bytes consumed from the byte stream.
161 *
162 ******************************************************************************/
163
164acpi_status
165acpi_rs_vendor_resource(u8 * byte_stream_buffer,
166 acpi_size * bytes_consumed,
167 u8 ** output_buffer, acpi_size * structure_size)
168{
169 u8 *buffer = byte_stream_buffer;
170 struct acpi_resource *output_struct = (void *)*output_buffer;
171 u16 temp16 = 0; 82 u16 temp16 = 0;
172 u8 temp8 = 0;
173 u8 index;
174 acpi_size struct_size =
175 ACPI_SIZEOF_RESOURCE(struct acpi_resource_vendor);
176
177 ACPI_FUNCTION_TRACE("rs_vendor_resource");
178
179 /* Dereference the Descriptor to find if this is a large or small item. */
180
181 temp8 = *buffer;
182
183 if (temp8 & 0x80) {
184 /* Large Item, point to the length field */
185
186 buffer += 1;
187 83
188 /* Dereference */ 84 ACPI_FUNCTION_TRACE("rs_get_resource");
189 85
190 ACPI_MOVE_16_TO_16(&temp16, buffer); 86 if (((acpi_native_uint) resource) & 0x3) {
87 /* Each internal resource struct is expected to be 32-bit aligned */
191 88
192 /* Calculate bytes consumed */ 89 ACPI_WARNING((AE_INFO,
193 90 "Misaligned resource pointer (get): %p Type %2.2X Len %X",
194 *bytes_consumed = (acpi_size) temp16 + 3; 91 resource, resource->type, resource->length));
195
196 /* Point to the first vendor byte */
197
198 buffer += 2;
199 } else {
200 /* Small Item, dereference the size */
201
202 temp16 = (u8) (*buffer & 0x07);
203
204 /* Calculate bytes consumed */
205
206 *bytes_consumed = (acpi_size) temp16 + 1;
207
208 /* Point to the first vendor byte */
209
210 buffer += 1;
211 } 92 }
212 93
213 output_struct->id = ACPI_RSTYPE_VENDOR; 94 /* Extract the resource Length field (does not include header length) */
214 output_struct->data.vendor_specific.length = temp16;
215 95
216 for (index = 0; index < temp16; index++) { 96 aml_resource_length = acpi_ut_get_resource_length(aml);
217 output_struct->data.vendor_specific.reserved[index] = *buffer;
218 buffer += 1;
219 }
220 97
221 /* 98 /*
222 * In order for the struct_size to fall on a 32-bit boundary, 99 * First table entry must be ACPI_RSC_INITxxx and must contain the
223 * calculate the length of the vendor string and expand the 100 * table length (# of table entries)
224 * struct_size to the next 32-bit boundary.
225 */ 101 */
226 struct_size += ACPI_ROUND_UP_to_32_bITS(temp16); 102 count = INIT_TABLE_LENGTH(info);
227 103
228 /* Set the Length parameter */ 104 while (count) {
229 105 /*
230 output_struct->length = (u32) struct_size; 106 * Source is the external AML byte stream buffer,
231 107 * destination is the internal resource descriptor
232 /* Return the final size of the structure */ 108 */
233 109 source = ACPI_ADD_PTR(void, aml, info->aml_offset);
234 *structure_size = struct_size; 110 destination =
235 return_ACPI_STATUS(AE_OK); 111 ACPI_ADD_PTR(void, resource, info->resource_offset);
236} 112
237 113 switch (info->opcode) {
238/******************************************************************************* 114 case ACPI_RSC_INITGET:
239 * 115 /*
240 * FUNCTION: acpi_rs_vendor_stream 116 * Get the resource type and the initial (minimum) length
241 * 117 */
242 * PARAMETERS: linked_list - Pointer to the resource linked list 118 ACPI_MEMSET(resource, 0, INIT_RESOURCE_LENGTH(info));
243 * output_buffer - Pointer to the user's return buffer 119 resource->type = INIT_RESOURCE_TYPE(info);
244 * bytes_consumed - Pointer to where the number of bytes 120 resource->length = INIT_RESOURCE_LENGTH(info);
245 * used in the output_buffer is returned 121 break;
246 * 122
247 * RETURN: Status 123 case ACPI_RSC_INITSET:
248 * 124 break;
249 * DESCRIPTION: Take the linked list resource structure and fills in the 125
250 * the appropriate bytes in a byte stream 126 case ACPI_RSC_FLAGINIT:
251 * 127
252 ******************************************************************************/ 128 flags_mode = TRUE;
253 129 break;
254acpi_status 130
255acpi_rs_vendor_stream(struct acpi_resource *linked_list, 131 case ACPI_RSC_1BITFLAG:
256 u8 ** output_buffer, acpi_size * bytes_consumed) 132 /*
257{ 133 * Mask and shift the flag bit
258 u8 *buffer = *output_buffer; 134 */
259 u16 temp16 = 0; 135 ACPI_SET8(destination) = (u8)
260 u8 temp8 = 0; 136 ((ACPI_GET8(source) >> info->value) & 0x01);
261 u8 index; 137 break;
262 138
263 ACPI_FUNCTION_TRACE("rs_vendor_stream"); 139 case ACPI_RSC_2BITFLAG:
264 140 /*
265 /* Dereference the length to find if this is a large or small item. */ 141 * Mask and shift the flag bits
266 142 */
267 if (linked_list->data.vendor_specific.length > 7) { 143 ACPI_SET8(destination) = (u8)
268 /* Large Item, Set the descriptor field and length bytes */ 144 ((ACPI_GET8(source) >> info->value) & 0x03);
269 145 break;
270 *buffer = 0x84; 146
271 buffer += 1; 147 case ACPI_RSC_COUNT:
272 148
273 temp16 = (u16) linked_list->data.vendor_specific.length; 149 item_count = ACPI_GET8(source);
274 150 ACPI_SET8(destination) = (u8) item_count;
275 ACPI_MOVE_16_TO_16(buffer, &temp16); 151
276 buffer += 2; 152 resource->length = resource->length +
277 } else { 153 (info->value * (item_count - 1));
278 /* Small Item, Set the descriptor field */ 154 break;
279 155
280 temp8 = 0x70; 156 case ACPI_RSC_COUNT16:
281 temp8 |= (u8) linked_list->data.vendor_specific.length; 157
158 item_count = aml_resource_length;
159 ACPI_SET16(destination) = item_count;
160
161 resource->length = resource->length +
162 (info->value * (item_count - 1));
163 break;
164
165 case ACPI_RSC_LENGTH:
166
167 resource->length = resource->length + info->value;
168 break;
169
170 case ACPI_RSC_MOVE8:
171 case ACPI_RSC_MOVE16:
172 case ACPI_RSC_MOVE32:
173 case ACPI_RSC_MOVE64:
174 /*
175 * Raw data move. Use the Info value field unless item_count has
176 * been previously initialized via a COUNT opcode
177 */
178 if (info->value) {
179 item_count = info->value;
180 }
181 acpi_rs_move_data(destination, source, item_count,
182 info->opcode);
183 break;
184
185 case ACPI_RSC_SET8:
186
187 ACPI_MEMSET(destination, info->aml_offset, info->value);
188 break;
189
190 case ACPI_RSC_DATA8:
191
192 target = ACPI_ADD_PTR(char, resource, info->value);
193 ACPI_MEMCPY(destination, source, ACPI_GET16(target));
194 break;
195
196 case ACPI_RSC_ADDRESS:
197 /*
198 * Common handler for address descriptor flags
199 */
200 if (!acpi_rs_get_address_common(resource, aml)) {
201 return_ACPI_STATUS
202 (AE_AML_INVALID_RESOURCE_TYPE);
203 }
204 break;
205
206 case ACPI_RSC_SOURCE:
207 /*
208 * Optional resource_source (Index and String)
209 */
210 resource->length +=
211 acpi_rs_get_resource_source(aml_resource_length,
212 info->value,
213 destination, aml, NULL);
214 break;
215
216 case ACPI_RSC_SOURCEX:
217 /*
218 * Optional resource_source (Index and String). This is the more
219 * complicated case used by the Interrupt() macro
220 */
221 target =
222 ACPI_ADD_PTR(char, resource,
223 info->aml_offset + (item_count * 4));
224
225 resource->length +=
226 acpi_rs_get_resource_source(aml_resource_length,
227 (acpi_rs_length) (((item_count - 1) * sizeof(u32)) + info->value), destination, aml, target);
228 break;
229
230 case ACPI_RSC_BITMASK:
231 /*
232 * 8-bit encoded bitmask (DMA macro)
233 */
234 item_count =
235 acpi_rs_decode_bitmask(ACPI_GET8(source),
236 destination);
237 if (item_count) {
238 resource->length += (item_count - 1);
239 }
240
241 target = ACPI_ADD_PTR(char, resource, info->value);
242 ACPI_SET8(target) = (u8) item_count;
243 break;
244
245 case ACPI_RSC_BITMASK16:
246 /*
247 * 16-bit encoded bitmask (IRQ macro)
248 */
249 ACPI_MOVE_16_TO_16(&temp16, source);
250
251 item_count =
252 acpi_rs_decode_bitmask(temp16, destination);
253 if (item_count) {
254 resource->length += (item_count - 1);
255 }
256
257 target = ACPI_ADD_PTR(char, resource, info->value);
258 ACPI_SET8(target) = (u8) item_count;
259 break;
260
261 case ACPI_RSC_EXIT_NE:
262 /*
263 * Control - Exit conversion if not equal
264 */
265 switch (info->resource_offset) {
266 case ACPI_RSC_COMPARE_AML_LENGTH:
267 if (aml_resource_length != info->value) {
268 goto exit;
269 }
270 break;
271
272 case ACPI_RSC_COMPARE_VALUE:
273 if (ACPI_GET8(source) != info->value) {
274 goto exit;
275 }
276 break;
277
278 default:
279
280 ACPI_ERROR((AE_INFO,
281 "Invalid conversion sub-opcode"));
282 return_ACPI_STATUS(AE_BAD_PARAMETER);
283 }
284 break;
285
286 default:
287
288 ACPI_ERROR((AE_INFO, "Invalid conversion opcode"));
289 return_ACPI_STATUS(AE_BAD_PARAMETER);
290 }
282 291
283 *buffer = temp8; 292 count--;
284 buffer += 1; 293 info++;
285 } 294 }
286 295
287 /* Loop through all of the Vendor Specific fields */ 296 exit:
297 if (!flags_mode) {
298 /* Round the resource struct length up to the next 32-bit boundary */
288 299
289 for (index = 0; index < linked_list->data.vendor_specific.length; 300 resource->length = ACPI_ROUND_UP_to_32_bITS(resource->length);
290 index++) {
291 temp8 = linked_list->data.vendor_specific.reserved[index];
292
293 *buffer = temp8;
294 buffer += 1;
295 } 301 }
296
297 /* Return the number of bytes consumed in this operation */
298
299 *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer);
300 return_ACPI_STATUS(AE_OK); 302 return_ACPI_STATUS(AE_OK);
301} 303}
302 304
303/******************************************************************************* 305/*******************************************************************************
304 * 306 *
305 * FUNCTION: acpi_rs_start_depend_fns_resource 307 * FUNCTION: acpi_rs_convert_resource_to_aml
306 * 308 *
307 * PARAMETERS: byte_stream_buffer - Pointer to the resource input byte 309 * PARAMETERS: Resource - Pointer to the resource descriptor
308 * stream 310 * Aml - Where the AML descriptor is returned
309 * bytes_consumed - Pointer to where the number of bytes 311 * Info - Pointer to appropriate conversion table
310 * consumed the byte_stream_buffer is
311 * returned
312 * output_buffer - Pointer to the return data buffer
313 * structure_size - Pointer to where the number of bytes
314 * in the return data struct is returned
315 * 312 *
316 * RETURN: Status 313 * RETURN: Status
317 * 314 *
318 * DESCRIPTION: Take the resource byte stream and fill out the appropriate 315 * DESCRIPTION: Convert an internal resource descriptor to the corresponding
319 * structure pointed to by the output_buffer. Return the 316 * external AML resource descriptor.
320 * number of bytes consumed from the byte stream.
321 * 317 *
322 ******************************************************************************/ 318 ******************************************************************************/
323 319
324acpi_status 320acpi_status
325acpi_rs_start_depend_fns_resource(u8 * byte_stream_buffer, 321acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
326 acpi_size * bytes_consumed, 322 union aml_resource *aml,
327 u8 ** output_buffer, 323 struct acpi_rsconvert_info *info)
328 acpi_size * structure_size)
329{ 324{
330 u8 *buffer = byte_stream_buffer; 325 void *source = NULL;
331 struct acpi_resource *output_struct = (void *)*output_buffer; 326 void *destination;
332 u8 temp8 = 0; 327 acpi_rsdesc_size aml_length = 0;
333 acpi_size struct_size = 328 u8 count;
334 ACPI_SIZEOF_RESOURCE(struct acpi_resource_start_dpf); 329 u16 temp16 = 0;
335 330 u16 item_count = 0;
336 ACPI_FUNCTION_TRACE("rs_start_depend_fns_resource");
337
338 /* The number of bytes consumed are found in the descriptor (Bits:0-1) */
339
340 temp8 = *buffer;
341
342 *bytes_consumed = (temp8 & 0x01) + 1;
343
344 output_struct->id = ACPI_RSTYPE_START_DPF;
345
346 /* Point to Byte 1 if it is used */
347
348 if (2 == *bytes_consumed) {
349 buffer += 1;
350 temp8 = *buffer;
351
352 /* Check Compatibility priority */
353
354 output_struct->data.start_dpf.compatibility_priority =
355 temp8 & 0x03;
356
357 if (3 == output_struct->data.start_dpf.compatibility_priority) {
358 return_ACPI_STATUS(AE_AML_BAD_RESOURCE_VALUE);
359 }
360
361 /* Check Performance/Robustness preference */
362 331
363 output_struct->data.start_dpf.performance_robustness = 332 ACPI_FUNCTION_TRACE("rs_convert_resource_to_aml");
364 (temp8 >> 2) & 0x03;
365 333
366 if (3 == output_struct->data.start_dpf.performance_robustness) { 334 /*
367 return_ACPI_STATUS(AE_AML_BAD_RESOURCE_VALUE); 335 * First table entry must be ACPI_RSC_INITxxx and must contain the
336 * table length (# of table entries)
337 */
338 count = INIT_TABLE_LENGTH(info);
339
340 while (count) {
341 /*
342 * Source is the internal resource descriptor,
343 * destination is the external AML byte stream buffer
344 */
345 source = ACPI_ADD_PTR(void, resource, info->resource_offset);
346 destination = ACPI_ADD_PTR(void, aml, info->aml_offset);
347
348 switch (info->opcode) {
349 case ACPI_RSC_INITSET:
350
351 ACPI_MEMSET(aml, 0, INIT_RESOURCE_LENGTH(info));
352 aml_length = INIT_RESOURCE_LENGTH(info);
353 acpi_rs_set_resource_header(INIT_RESOURCE_TYPE(info),
354 aml_length, aml);
355 break;
356
357 case ACPI_RSC_INITGET:
358 break;
359
360 case ACPI_RSC_FLAGINIT:
361 /*
362 * Clear the flag byte
363 */
364 ACPI_SET8(destination) = 0;
365 break;
366
367 case ACPI_RSC_1BITFLAG:
368 /*
369 * Mask and shift the flag bit
370 */
371 ACPI_SET8(destination) |= (u8)
372 ((ACPI_GET8(source) & 0x01) << info->value);
373 break;
374
375 case ACPI_RSC_2BITFLAG:
376 /*
377 * Mask and shift the flag bits
378 */
379 ACPI_SET8(destination) |= (u8)
380 ((ACPI_GET8(source) & 0x03) << info->value);
381 break;
382
383 case ACPI_RSC_COUNT:
384
385 item_count = ACPI_GET8(source);
386 ACPI_SET8(destination) = (u8) item_count;
387
388 aml_length =
389 (u16) (aml_length +
390 (info->value * (item_count - 1)));
391 break;
392
393 case ACPI_RSC_COUNT16:
394
395 item_count = ACPI_GET16(source);
396 aml_length = (u16) (aml_length + item_count);
397 acpi_rs_set_resource_length(aml_length, aml);
398 break;
399
400 case ACPI_RSC_LENGTH:
401
402 acpi_rs_set_resource_length(info->value, aml);
403 break;
404
405 case ACPI_RSC_MOVE8:
406 case ACPI_RSC_MOVE16:
407 case ACPI_RSC_MOVE32:
408 case ACPI_RSC_MOVE64:
409
410 if (info->value) {
411 item_count = info->value;
412 }
413 acpi_rs_move_data(destination, source, item_count,
414 info->opcode);
415 break;
416
417 case ACPI_RSC_ADDRESS:
418
419 /* Set the Resource Type, General Flags, and Type-Specific Flags */
420
421 acpi_rs_set_address_common(aml, resource);
422 break;
423
424 case ACPI_RSC_SOURCEX:
425 /*
426 * Optional resource_source (Index and String)
427 */
428 aml_length =
429 acpi_rs_set_resource_source(aml,
430 (acpi_rs_length)
431 aml_length, source);
432 acpi_rs_set_resource_length(aml_length, aml);
433 break;
434
435 case ACPI_RSC_SOURCE:
436 /*
437 * Optional resource_source (Index and String). This is the more
438 * complicated case used by the Interrupt() macro
439 */
440 aml_length =
441 acpi_rs_set_resource_source(aml, info->value,
442 source);
443 acpi_rs_set_resource_length(aml_length, aml);
444 break;
445
446 case ACPI_RSC_BITMASK:
447 /*
448 * 8-bit encoded bitmask (DMA macro)
449 */
450 ACPI_SET8(destination) = (u8)
451 acpi_rs_encode_bitmask(source,
452 *ACPI_ADD_PTR(u8, resource,
453 info->value));
454 break;
455
456 case ACPI_RSC_BITMASK16:
457 /*
458 * 16-bit encoded bitmask (IRQ macro)
459 */
460 temp16 = acpi_rs_encode_bitmask(source,
461 *ACPI_ADD_PTR(u8,
462 resource,
463 info->
464 value));
465 ACPI_MOVE_16_TO_16(destination, &temp16);
466 break;
467
468 case ACPI_RSC_EXIT_LE:
469 /*
470 * Control - Exit conversion if less than or equal
471 */
472 if (item_count <= info->value) {
473 goto exit;
474 }
475 break;
476
477 case ACPI_RSC_EXIT_NE:
478 /*
479 * Control - Exit conversion if not equal
480 */
481 switch (COMPARE_OPCODE(info)) {
482 case ACPI_RSC_COMPARE_VALUE:
483
484 if (*ACPI_ADD_PTR(u8, resource,
485 COMPARE_TARGET(info)) !=
486 COMPARE_VALUE(info)) {
487 goto exit;
488 }
489 break;
490
491 default:
492
493 ACPI_ERROR((AE_INFO,
494 "Invalid conversion sub-opcode"));
495 return_ACPI_STATUS(AE_BAD_PARAMETER);
496 }
497 break;
498
499 default:
500
501 ACPI_ERROR((AE_INFO, "Invalid conversion opcode"));
502 return_ACPI_STATUS(AE_BAD_PARAMETER);
368 } 503 }
369 } else {
370 output_struct->data.start_dpf.compatibility_priority =
371 ACPI_ACCEPTABLE_CONFIGURATION;
372 504
373 output_struct->data.start_dpf.performance_robustness = 505 count--;
374 ACPI_ACCEPTABLE_CONFIGURATION; 506 info++;
375 } 507 }
376 508
377 /* Set the Length parameter */ 509 exit:
378
379 output_struct->length = (u32) struct_size;
380
381 /* Return the final size of the structure */
382
383 *structure_size = struct_size;
384 return_ACPI_STATUS(AE_OK); 510 return_ACPI_STATUS(AE_OK);
385} 511}
386 512
387/******************************************************************************* 513#if 0
388 * 514/* Previous resource validations */
389 * FUNCTION: acpi_rs_end_depend_fns_resource
390 *
391 * PARAMETERS: byte_stream_buffer - Pointer to the resource input byte
392 * stream
393 * bytes_consumed - Pointer to where the number of bytes
394 * consumed the byte_stream_buffer is
395 * returned
396 * output_buffer - Pointer to the return data buffer
397 * structure_size - Pointer to where the number of bytes
398 * in the return data struct is returned
399 *
400 * RETURN: Status
401 *
402 * DESCRIPTION: Take the resource byte stream and fill out the appropriate
403 * structure pointed to by the output_buffer. Return the
404 * number of bytes consumed from the byte stream.
405 *
406 ******************************************************************************/
407
408acpi_status
409acpi_rs_end_depend_fns_resource(u8 * byte_stream_buffer,
410 acpi_size * bytes_consumed,
411 u8 ** output_buffer, acpi_size * structure_size)
412{
413 struct acpi_resource *output_struct = (void *)*output_buffer;
414 acpi_size struct_size = ACPI_RESOURCE_LENGTH;
415
416 ACPI_FUNCTION_TRACE("rs_end_depend_fns_resource");
417
418 /* The number of bytes consumed is static */
419
420 *bytes_consumed = 1;
421 515
422 /* Fill out the structure */ 516if (aml->ext_address64.revision_iD != AML_RESOURCE_EXTENDED_ADDRESS_REVISION) {
423 517 return_ACPI_STATUS(AE_SUPPORT);
424 output_struct->id = ACPI_RSTYPE_END_DPF;
425
426 /* Set the Length parameter */
427
428 output_struct->length = (u32) struct_size;
429
430 /* Return the final size of the structure */
431
432 *structure_size = struct_size;
433 return_ACPI_STATUS(AE_OK);
434} 518}
435 519
436/******************************************************************************* 520if (resource->data.start_dpf.performance_robustness >= 3) {
437 * 521 return_ACPI_STATUS(AE_AML_BAD_RESOURCE_VALUE);
438 * FUNCTION: acpi_rs_start_depend_fns_stream 522}
439 *
440 * PARAMETERS: linked_list - Pointer to the resource linked list
441 * output_buffer - Pointer to the user's return buffer
442 * bytes_consumed - u32 pointer that is filled with
443 * the number of bytes of the
444 * output_buffer used
445 *
446 * RETURN: Status
447 *
448 * DESCRIPTION: Take the linked list resource structure and fills in the
449 * the appropriate bytes in a byte stream
450 *
451 ******************************************************************************/
452
453acpi_status
454acpi_rs_start_depend_fns_stream(struct acpi_resource *linked_list,
455 u8 ** output_buffer, acpi_size * bytes_consumed)
456{
457 u8 *buffer = *output_buffer;
458 u8 temp8 = 0;
459
460 ACPI_FUNCTION_TRACE("rs_start_depend_fns_stream");
461 523
524if (((aml->irq.flags & 0x09) == 0x00) || ((aml->irq.flags & 0x09) == 0x09)) {
462 /* 525 /*
463 * The descriptor field is set based upon whether a byte is needed 526 * Only [active_high, edge_sensitive] or [active_low, level_sensitive]
464 * to contain Priority data. 527 * polarity/trigger interrupts are allowed (ACPI spec, section
528 * "IRQ Format"), so 0x00 and 0x09 are illegal.
465 */ 529 */
466 if (ACPI_ACCEPTABLE_CONFIGURATION == 530 ACPI_ERROR((AE_INFO,
467 linked_list->data.start_dpf.compatibility_priority && 531 "Invalid interrupt polarity/trigger in resource list, %X",
468 ACPI_ACCEPTABLE_CONFIGURATION == 532 aml->irq.flags));
469 linked_list->data.start_dpf.performance_robustness) { 533 return_ACPI_STATUS(AE_BAD_DATA);
470 *buffer = 0x30;
471 } else {
472 *buffer = 0x31;
473 buffer += 1;
474
475 /* Set the Priority Byte Definition */
476
477 temp8 = 0;
478 temp8 =
479 (u8) ((linked_list->data.start_dpf.
480 performance_robustness & 0x03) << 2);
481 temp8 |=
482 (linked_list->data.start_dpf.compatibility_priority & 0x03);
483 *buffer = temp8;
484 }
485
486 buffer += 1;
487
488 /* Return the number of bytes consumed in this operation */
489
490 *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer);
491 return_ACPI_STATUS(AE_OK);
492} 534}
493 535
494/******************************************************************************* 536resource->data.extended_irq.interrupt_count = temp8;
495 * 537if (temp8 < 1) {
496 * FUNCTION: acpi_rs_end_depend_fns_stream 538 /* Must have at least one IRQ */
497 *
498 * PARAMETERS: linked_list - Pointer to the resource linked list
499 * output_buffer - Pointer to the user's return buffer
500 * bytes_consumed - Pointer to where the number of bytes
501 * used in the output_buffer is returned
502 *
503 * RETURN: Status
504 *
505 * DESCRIPTION: Take the linked list resource structure and fills in the
506 * the appropriate bytes in a byte stream
507 *
508 ******************************************************************************/
509
510acpi_status
511acpi_rs_end_depend_fns_stream(struct acpi_resource *linked_list,
512 u8 ** output_buffer, acpi_size * bytes_consumed)
513{
514 u8 *buffer = *output_buffer;
515
516 ACPI_FUNCTION_TRACE("rs_end_depend_fns_stream");
517
518 /* The descriptor field is static */
519
520 *buffer = 0x38;
521 buffer += 1;
522 539
523 /* Return the number of bytes consumed in this operation */ 540 return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH);
541}
524 542
525 *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer); 543if (resource->data.dma.transfer == 0x03) {
526 return_ACPI_STATUS(AE_OK); 544 ACPI_ERROR((AE_INFO, "Invalid DMA.Transfer preference (3)"));
545 return_ACPI_STATUS(AE_BAD_DATA);
527} 546}
547#endif
diff --git a/drivers/acpi/resources/rsutils.c b/drivers/acpi/resources/rsutils.c
index 4446778eaf79..25b5aedd6612 100644
--- a/drivers/acpi/resources/rsutils.c
+++ b/drivers/acpi/resources/rsutils.c
@@ -5,7 +5,7 @@
5 ******************************************************************************/ 5 ******************************************************************************/
6 6
7/* 7/*
8 * Copyright (C) 2000 - 2005, R. Byron Moore 8 * Copyright (C) 2000 - 2006, R. Byron Moore
9 * All rights reserved. 9 * All rights reserved.
10 * 10 *
11 * Redistribution and use in source and binary forms, with or without 11 * Redistribution and use in source and binary forms, with or without
@@ -50,6 +50,389 @@ ACPI_MODULE_NAME("rsutils")
50 50
51/******************************************************************************* 51/*******************************************************************************
52 * 52 *
53 * FUNCTION: acpi_rs_decode_bitmask
54 *
55 * PARAMETERS: Mask - Bitmask to decode
56 * List - Where the converted list is returned
57 *
58 * RETURN: Count of bits set (length of list)
59 *
60 * DESCRIPTION: Convert a bit mask into a list of values
61 *
62 ******************************************************************************/
63u8 acpi_rs_decode_bitmask(u16 mask, u8 * list)
64{
65 acpi_native_uint i;
66 u8 bit_count;
67
68 ACPI_FUNCTION_ENTRY();
69
70 /* Decode the mask bits */
71
72 for (i = 0, bit_count = 0; mask; i++) {
73 if (mask & 0x0001) {
74 list[bit_count] = (u8) i;
75 bit_count++;
76 }
77
78 mask >>= 1;
79 }
80
81 return (bit_count);
82}
83
84/*******************************************************************************
85 *
86 * FUNCTION: acpi_rs_encode_bitmask
87 *
88 * PARAMETERS: List - List of values to encode
89 * Count - Length of list
90 *
91 * RETURN: Encoded bitmask
92 *
93 * DESCRIPTION: Convert a list of values to an encoded bitmask
94 *
95 ******************************************************************************/
96
97u16 acpi_rs_encode_bitmask(u8 * list, u8 count)
98{
99 acpi_native_uint i;
100 u16 mask;
101
102 ACPI_FUNCTION_ENTRY();
103
104 /* Encode the list into a single bitmask */
105
106 for (i = 0, mask = 0; i < count; i++) {
107 mask |= (0x0001 << list[i]);
108 }
109
110 return (mask);
111}
112
113/*******************************************************************************
114 *
115 * FUNCTION: acpi_rs_move_data
116 *
117 * PARAMETERS: Destination - Pointer to the destination descriptor
118 * Source - Pointer to the source descriptor
119 * item_count - How many items to move
120 * move_type - Byte width
121 *
122 * RETURN: None
123 *
124 * DESCRIPTION: Move multiple data items from one descriptor to another. Handles
125 * alignment issues and endian issues if necessary, as configured
126 * via the ACPI_MOVE_* macros. (This is why a memcpy is not used)
127 *
128 ******************************************************************************/
129
130void
131acpi_rs_move_data(void *destination, void *source, u16 item_count, u8 move_type)
132{
133 acpi_native_uint i;
134
135 ACPI_FUNCTION_ENTRY();
136
137 /* One move per item */
138
139 for (i = 0; i < item_count; i++) {
140 switch (move_type) {
141 /*
142 * For the 8-bit case, we can perform the move all at once
143 * since there are no alignment or endian issues
144 */
145 case ACPI_RSC_MOVE8:
146 ACPI_MEMCPY(destination, source, item_count);
147 return;
148
149 /*
150 * 16-, 32-, and 64-bit cases must use the move macros that perform
151 * endian conversion and/or accomodate hardware that cannot perform
152 * misaligned memory transfers
153 */
154 case ACPI_RSC_MOVE16:
155 ACPI_MOVE_16_TO_16(&ACPI_CAST_PTR(u16, destination)[i],
156 &ACPI_CAST_PTR(u16, source)[i]);
157 break;
158
159 case ACPI_RSC_MOVE32:
160 ACPI_MOVE_32_TO_32(&ACPI_CAST_PTR(u32, destination)[i],
161 &ACPI_CAST_PTR(u32, source)[i]);
162 break;
163
164 case ACPI_RSC_MOVE64:
165 ACPI_MOVE_64_TO_64(&ACPI_CAST_PTR(u64, destination)[i],
166 &ACPI_CAST_PTR(u64, source)[i]);
167 break;
168
169 default:
170 return;
171 }
172 }
173}
174
175/*******************************************************************************
176 *
177 * FUNCTION: acpi_rs_set_resource_length
178 *
179 * PARAMETERS: total_length - Length of the AML descriptor, including
180 * the header and length fields.
181 * Aml - Pointer to the raw AML descriptor
182 *
183 * RETURN: None
184 *
185 * DESCRIPTION: Set the resource_length field of an AML
186 * resource descriptor, both Large and Small descriptors are
187 * supported automatically. Note: Descriptor Type field must
188 * be valid.
189 *
190 ******************************************************************************/
191
192void
193acpi_rs_set_resource_length(acpi_rsdesc_size total_length,
194 union aml_resource *aml)
195{
196 acpi_rs_length resource_length;
197
198 ACPI_FUNCTION_ENTRY();
199
200 /* Length is the total descriptor length minus the header length */
201
202 resource_length = (acpi_rs_length)
203 (total_length - acpi_ut_get_resource_header_length(aml));
204
205 /* Length is stored differently for large and small descriptors */
206
207 if (aml->small_header.descriptor_type & ACPI_RESOURCE_NAME_LARGE) {
208 /* Large descriptor -- bytes 1-2 contain the 16-bit length */
209
210 ACPI_MOVE_16_TO_16(&aml->large_header.resource_length,
211 &resource_length);
212 } else {
213 /* Small descriptor -- bits 2:0 of byte 0 contain the length */
214
215 aml->small_header.descriptor_type = (u8)
216
217 /* Clear any existing length, preserving descriptor type bits */
218 ((aml->small_header.
219 descriptor_type & ~ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK)
220
221 | resource_length);
222 }
223}
224
225/*******************************************************************************
226 *
227 * FUNCTION: acpi_rs_set_resource_header
228 *
229 * PARAMETERS: descriptor_type - Byte to be inserted as the type
230 * total_length - Length of the AML descriptor, including
231 * the header and length fields.
232 * Aml - Pointer to the raw AML descriptor
233 *
234 * RETURN: None
235 *
236 * DESCRIPTION: Set the descriptor_type and resource_length fields of an AML
237 * resource descriptor, both Large and Small descriptors are
238 * supported automatically
239 *
240 ******************************************************************************/
241
242void
243acpi_rs_set_resource_header(u8 descriptor_type,
244 acpi_rsdesc_size total_length,
245 union aml_resource *aml)
246{
247 ACPI_FUNCTION_ENTRY();
248
249 /* Set the Resource Type */
250
251 aml->small_header.descriptor_type = descriptor_type;
252
253 /* Set the Resource Length */
254
255 acpi_rs_set_resource_length(total_length, aml);
256}
257
258/*******************************************************************************
259 *
260 * FUNCTION: acpi_rs_strcpy
261 *
262 * PARAMETERS: Destination - Pointer to the destination string
263 * Source - Pointer to the source string
264 *
265 * RETURN: String length, including NULL terminator
266 *
267 * DESCRIPTION: Local string copy that returns the string length, saving a
268 * strcpy followed by a strlen.
269 *
270 ******************************************************************************/
271
272static u16 acpi_rs_strcpy(char *destination, char *source)
273{
274 u16 i;
275
276 ACPI_FUNCTION_ENTRY();
277
278 for (i = 0; source[i]; i++) {
279 destination[i] = source[i];
280 }
281
282 destination[i] = 0;
283
284 /* Return string length including the NULL terminator */
285
286 return ((u16) (i + 1));
287}
288
289/*******************************************************************************
290 *
291 * FUNCTION: acpi_rs_get_resource_source
292 *
293 * PARAMETERS: resource_length - Length field of the descriptor
294 * minimum_length - Minimum length of the descriptor (minus
295 * any optional fields)
296 * resource_source - Where the resource_source is returned
297 * Aml - Pointer to the raw AML descriptor
298 * string_ptr - (optional) where to store the actual
299 * resource_source string
300 *
301 * RETURN: Length of the string plus NULL terminator, rounded up to 32 bit
302 *
303 * DESCRIPTION: Copy the optional resource_source data from a raw AML descriptor
304 * to an internal resource descriptor
305 *
306 ******************************************************************************/
307
308acpi_rs_length
309acpi_rs_get_resource_source(acpi_rs_length resource_length,
310 acpi_rs_length minimum_length,
311 struct acpi_resource_source * resource_source,
312 union aml_resource * aml, char *string_ptr)
313{
314 acpi_rsdesc_size total_length;
315 u8 *aml_resource_source;
316
317 ACPI_FUNCTION_ENTRY();
318
319 total_length =
320 resource_length + sizeof(struct aml_resource_large_header);
321 aml_resource_source = ACPI_ADD_PTR(u8, aml, minimum_length);
322
323 /*
324 * resource_source is present if the length of the descriptor is longer than
325 * the minimum length.
326 *
327 * Note: Some resource descriptors will have an additional null, so
328 * we add 1 to the minimum length.
329 */
330 if (total_length > (acpi_rsdesc_size) (minimum_length + 1)) {
331 /* Get the resource_source_index */
332
333 resource_source->index = aml_resource_source[0];
334
335 resource_source->string_ptr = string_ptr;
336 if (!string_ptr) {
337 /*
338 * String destination pointer is not specified; Set the String
339 * pointer to the end of the current resource_source structure.
340 */
341 resource_source->string_ptr =
342 ACPI_ADD_PTR(char, resource_source,
343 sizeof(struct acpi_resource_source));
344 }
345
346 /*
347 * In order for the struct_size to fall on a 32-bit boundary, calculate
348 * the length of the string (+1 for the NULL terminator) and expand the
349 * struct_size to the next 32-bit boundary.
350 *
351 * Zero the entire area of the buffer.
352 */
353 total_length =
354 ACPI_ROUND_UP_to_32_bITS(ACPI_STRLEN
355 ((char *)&aml_resource_source[1]) +
356 1);
357 ACPI_MEMSET(resource_source->string_ptr, 0, total_length);
358
359 /* Copy the resource_source string to the destination */
360
361 resource_source->string_length =
362 acpi_rs_strcpy(resource_source->string_ptr,
363 (char *)&aml_resource_source[1]);
364
365 return ((acpi_rs_length) total_length);
366 }
367
368 /* resource_source is not present */
369
370 resource_source->index = 0;
371 resource_source->string_length = 0;
372 resource_source->string_ptr = NULL;
373 return (0);
374}
375
376/*******************************************************************************
377 *
378 * FUNCTION: acpi_rs_set_resource_source
379 *
380 * PARAMETERS: Aml - Pointer to the raw AML descriptor
381 * minimum_length - Minimum length of the descriptor (minus
382 * any optional fields)
383 * resource_source - Internal resource_source
384
385 *
386 * RETURN: Total length of the AML descriptor
387 *
388 * DESCRIPTION: Convert an optional resource_source from internal format to a
389 * raw AML resource descriptor
390 *
391 ******************************************************************************/
392
393acpi_rsdesc_size
394acpi_rs_set_resource_source(union aml_resource * aml,
395 acpi_rs_length minimum_length,
396 struct acpi_resource_source * resource_source)
397{
398 u8 *aml_resource_source;
399 acpi_rsdesc_size descriptor_length;
400
401 ACPI_FUNCTION_ENTRY();
402
403 descriptor_length = minimum_length;
404
405 /* Non-zero string length indicates presence of a resource_source */
406
407 if (resource_source->string_length) {
408 /* Point to the end of the AML descriptor */
409
410 aml_resource_source = ACPI_ADD_PTR(u8, aml, minimum_length);
411
412 /* Copy the resource_source_index */
413
414 aml_resource_source[0] = (u8) resource_source->index;
415
416 /* Copy the resource_source string */
417
418 ACPI_STRCPY((char *)&aml_resource_source[1],
419 resource_source->string_ptr);
420
421 /*
422 * Add the length of the string (+ 1 for null terminator) to the
423 * final descriptor length
424 */
425 descriptor_length +=
426 ((acpi_rsdesc_size) resource_source->string_length + 1);
427 }
428
429 /* Return the new total length of the AML descriptor */
430
431 return (descriptor_length);
432}
433
434/*******************************************************************************
435 *
53 * FUNCTION: acpi_rs_get_prt_method_data 436 * FUNCTION: acpi_rs_get_prt_method_data
54 * 437 *
55 * PARAMETERS: Handle - a handle to the containing object 438 * PARAMETERS: Handle - a handle to the containing object
@@ -65,8 +448,9 @@ ACPI_MODULE_NAME("rsutils")
65 * and the contents of the callers buffer is undefined. 448 * and the contents of the callers buffer is undefined.
66 * 449 *
67 ******************************************************************************/ 450 ******************************************************************************/
451
68acpi_status 452acpi_status
69acpi_rs_get_prt_method_data(acpi_handle handle, struct acpi_buffer *ret_buffer) 453acpi_rs_get_prt_method_data(acpi_handle handle, struct acpi_buffer * ret_buffer)
70{ 454{
71 union acpi_operand_object *obj_desc; 455 union acpi_operand_object *obj_desc;
72 acpi_status status; 456 acpi_status status;
@@ -284,7 +668,7 @@ acpi_rs_set_srs_method_data(acpi_handle handle, struct acpi_buffer *in_buffer)
284 * Convert the linked list into a byte stream 668 * Convert the linked list into a byte stream
285 */ 669 */
286 buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER; 670 buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
287 status = acpi_rs_create_byte_stream(in_buffer->pointer, &buffer); 671 status = acpi_rs_create_aml_resources(in_buffer->pointer, &buffer);
288 if (ACPI_FAILURE(status)) { 672 if (ACPI_FAILURE(status)) {
289 return_ACPI_STATUS(status); 673 return_ACPI_STATUS(status);
290 } 674 }
diff --git a/drivers/acpi/resources/rsxface.c b/drivers/acpi/resources/rsxface.c
index ee5a5c509199..88b67077aeeb 100644
--- a/drivers/acpi/resources/rsxface.c
+++ b/drivers/acpi/resources/rsxface.c
@@ -5,7 +5,7 @@
5 ******************************************************************************/ 5 ******************************************************************************/
6 6
7/* 7/*
8 * Copyright (C) 2000 - 2005, R. Byron Moore 8 * Copyright (C) 2000 - 2006, R. Byron Moore
9 * All rights reserved. 9 * All rights reserved.
10 * 10 *
11 * Redistribution and use in source and binary forms, with or without 11 * Redistribution and use in source and binary forms, with or without
@@ -57,13 +57,17 @@ ACPI_MODULE_NAME("rsxface")
57 ACPI_COPY_FIELD(out, in, decode); \ 57 ACPI_COPY_FIELD(out, in, decode); \
58 ACPI_COPY_FIELD(out, in, min_address_fixed); \ 58 ACPI_COPY_FIELD(out, in, min_address_fixed); \
59 ACPI_COPY_FIELD(out, in, max_address_fixed); \ 59 ACPI_COPY_FIELD(out, in, max_address_fixed); \
60 ACPI_COPY_FIELD(out, in, attribute); \ 60 ACPI_COPY_FIELD(out, in, info); \
61 ACPI_COPY_FIELD(out, in, granularity); \ 61 ACPI_COPY_FIELD(out, in, granularity); \
62 ACPI_COPY_FIELD(out, in, min_address_range); \ 62 ACPI_COPY_FIELD(out, in, minimum); \
63 ACPI_COPY_FIELD(out, in, max_address_range); \ 63 ACPI_COPY_FIELD(out, in, maximum); \
64 ACPI_COPY_FIELD(out, in, address_translation_offset); \ 64 ACPI_COPY_FIELD(out, in, translation_offset); \
65 ACPI_COPY_FIELD(out, in, address_length); \ 65 ACPI_COPY_FIELD(out, in, address_length); \
66 ACPI_COPY_FIELD(out, in, resource_source); 66 ACPI_COPY_FIELD(out, in, resource_source);
67/* Local prototypes */
68static acpi_status
69acpi_rs_match_vendor_resource(struct acpi_resource *resource, void *context);
70
67/******************************************************************************* 71/*******************************************************************************
68 * 72 *
69 * FUNCTION: acpi_get_irq_routing_table 73 * FUNCTION: acpi_get_irq_routing_table
@@ -86,6 +90,7 @@ ACPI_MODULE_NAME("rsxface")
86 * the object indicated by the passed device_handle. 90 * the object indicated by the passed device_handle.
87 * 91 *
88 ******************************************************************************/ 92 ******************************************************************************/
93
89acpi_status 94acpi_status
90acpi_get_irq_routing_table(acpi_handle device_handle, 95acpi_get_irq_routing_table(acpi_handle device_handle,
91 struct acpi_buffer *ret_buffer) 96 struct acpi_buffer *ret_buffer)
@@ -222,12 +227,12 @@ EXPORT_SYMBOL(acpi_get_possible_resources);
222 * 227 *
223 * FUNCTION: acpi_walk_resources 228 * FUNCTION: acpi_walk_resources
224 * 229 *
225 * PARAMETERS: device_handle - a handle to the device object for the 230 * PARAMETERS: device_handle - Handle to the device object for the
226 * device we are querying 231 * device we are querying
227 * Path - method name of the resources we want 232 * Name - Method name of the resources we want
228 * (METHOD_NAME__CRS or METHOD_NAME__PRS) 233 * (METHOD_NAME__CRS or METHOD_NAME__PRS)
229 * user_function - called for each resource 234 * user_function - Called for each resource
230 * Context - passed to user_function 235 * Context - Passed to user_function
231 * 236 *
232 * RETURN: Status 237 * RETURN: Status
233 * 238 *
@@ -239,79 +244,74 @@ EXPORT_SYMBOL(acpi_get_possible_resources);
239 244
240acpi_status 245acpi_status
241acpi_walk_resources(acpi_handle device_handle, 246acpi_walk_resources(acpi_handle device_handle,
242 char *path, 247 char *name,
243 ACPI_WALK_RESOURCE_CALLBACK user_function, void *context) 248 ACPI_WALK_RESOURCE_CALLBACK user_function, void *context)
244{ 249{
245 acpi_status status; 250 acpi_status status;
246 struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; 251 struct acpi_buffer buffer;
247 struct acpi_resource *resource; 252 struct acpi_resource *resource;
248 struct acpi_resource *buffer_end; 253 struct acpi_resource *resource_end;
249 254
250 ACPI_FUNCTION_TRACE("acpi_walk_resources"); 255 ACPI_FUNCTION_TRACE("acpi_walk_resources");
251 256
252 if (!device_handle || 257 /* Parameter validation */
253 (ACPI_STRNCMP(path, METHOD_NAME__CRS, sizeof(METHOD_NAME__CRS)) && 258
254 ACPI_STRNCMP(path, METHOD_NAME__PRS, sizeof(METHOD_NAME__PRS)))) { 259 if (!device_handle || !user_function || !name ||
260 (ACPI_STRNCMP(name, METHOD_NAME__CRS, sizeof(METHOD_NAME__CRS)) &&
261 ACPI_STRNCMP(name, METHOD_NAME__PRS, sizeof(METHOD_NAME__PRS)))) {
255 return_ACPI_STATUS(AE_BAD_PARAMETER); 262 return_ACPI_STATUS(AE_BAD_PARAMETER);
256 } 263 }
257 264
258 status = acpi_rs_get_method_data(device_handle, path, &buffer); 265 /* Get the _CRS or _PRS resource list */
266
267 buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
268 status = acpi_rs_get_method_data(device_handle, name, &buffer);
259 if (ACPI_FAILURE(status)) { 269 if (ACPI_FAILURE(status)) {
260 return_ACPI_STATUS(status); 270 return_ACPI_STATUS(status);
261 } 271 }
262 272
263 /* Setup pointers */ 273 /* Buffer now contains the resource list */
264 274
265 resource = (struct acpi_resource *)buffer.pointer; 275 resource = ACPI_CAST_PTR(struct acpi_resource, buffer.pointer);
266 buffer_end = ACPI_CAST_PTR(struct acpi_resource, 276 resource_end =
267 ((u8 *) buffer.pointer + buffer.length)); 277 ACPI_ADD_PTR(struct acpi_resource, buffer.pointer, buffer.length);
268 278
269 /* Walk the resource list */ 279 /* Walk the resource list until the end_tag is found (or buffer end) */
270 280
271 for (;;) { 281 while (resource < resource_end) {
272 if (!resource || resource->id == ACPI_RSTYPE_END_TAG) { 282 /* Sanity check the resource */
283
284 if (resource->type > ACPI_RESOURCE_TYPE_MAX) {
285 status = AE_AML_INVALID_RESOURCE_TYPE;
273 break; 286 break;
274 } 287 }
275 288
276 status = user_function(resource, context); 289 /* Invoke the user function, abort on any error returned */
277
278 switch (status) {
279 case AE_OK:
280 case AE_CTRL_DEPTH:
281 290
282 /* Just keep going */ 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 */
283 295
284 status = AE_OK; 296 status = AE_OK;
297 }
285 break; 298 break;
299 }
286 300
287 case AE_CTRL_TERMINATE: 301 /* end_tag indicates end-of-list */
288
289 /* Exit now, with OK stats */
290
291 status = AE_OK;
292 goto cleanup;
293
294 default:
295
296 /* All others are valid exceptions */
297 302
298 goto cleanup; 303 if (resource->type == ACPI_RESOURCE_TYPE_END_TAG) {
304 break;
299 } 305 }
300 306
301 /* Get the next resource descriptor */ 307 /* Get the next resource descriptor */
302 308
303 resource = ACPI_NEXT_RESOURCE(resource); 309 resource =
304 310 ACPI_ADD_PTR(struct acpi_resource, resource,
305 /* Check for end-of-buffer */ 311 resource->length);
306
307 if (resource >= buffer_end) {
308 goto cleanup;
309 }
310 } 312 }
311 313
312 cleanup: 314 ACPI_MEM_FREE(buffer.pointer);
313
314 acpi_os_free(buffer.pointer);
315 return_ACPI_STATUS(status); 315 return_ACPI_STATUS(status);
316} 316}
317 317
@@ -360,8 +360,8 @@ EXPORT_SYMBOL(acpi_set_current_resources);
360 * 360 *
361 * FUNCTION: acpi_resource_to_address64 361 * FUNCTION: acpi_resource_to_address64
362 * 362 *
363 * PARAMETERS: resource - Pointer to a resource 363 * PARAMETERS: Resource - Pointer to a resource
364 * out - Pointer to the users's return 364 * Out - Pointer to the users's return
365 * buffer (a struct 365 * buffer (a struct
366 * struct acpi_resource_address64) 366 * struct acpi_resource_address64)
367 * 367 *
@@ -381,20 +381,26 @@ acpi_resource_to_address64(struct acpi_resource *resource,
381 struct acpi_resource_address16 *address16; 381 struct acpi_resource_address16 *address16;
382 struct acpi_resource_address32 *address32; 382 struct acpi_resource_address32 *address32;
383 383
384 switch (resource->id) { 384 if (!resource || !out) {
385 case ACPI_RSTYPE_ADDRESS16: 385 return (AE_BAD_PARAMETER);
386 }
387
388 /* Convert 16 or 32 address descriptor to 64 */
389
390 switch (resource->type) {
391 case ACPI_RESOURCE_TYPE_ADDRESS16:
386 392
387 address16 = (struct acpi_resource_address16 *)&resource->data; 393 address16 = (struct acpi_resource_address16 *)&resource->data;
388 ACPI_COPY_ADDRESS(out, address16); 394 ACPI_COPY_ADDRESS(out, address16);
389 break; 395 break;
390 396
391 case ACPI_RSTYPE_ADDRESS32: 397 case ACPI_RESOURCE_TYPE_ADDRESS32:
392 398
393 address32 = (struct acpi_resource_address32 *)&resource->data; 399 address32 = (struct acpi_resource_address32 *)&resource->data;
394 ACPI_COPY_ADDRESS(out, address32); 400 ACPI_COPY_ADDRESS(out, address32);
395 break; 401 break;
396 402
397 case ACPI_RSTYPE_ADDRESS64: 403 case ACPI_RESOURCE_TYPE_ADDRESS64:
398 404
399 /* Simple copy for 64 bit source */ 405 /* Simple copy for 64 bit source */
400 406
@@ -410,3 +416,113 @@ acpi_resource_to_address64(struct acpi_resource *resource,
410} 416}
411 417
412EXPORT_SYMBOL(acpi_resource_to_address64); 418EXPORT_SYMBOL(acpi_resource_to_address64);
419
420/*******************************************************************************
421 *
422 * FUNCTION: acpi_get_vendor_resource
423 *
424 * PARAMETERS: device_handle - Handle for the parent device object
425 * Name - Method name for the parent resource
426 * (METHOD_NAME__CRS or METHOD_NAME__PRS)
427 * Uuid - Pointer to the UUID to be matched.
428 * includes both subtype and 16-byte UUID
429 * ret_buffer - Where the vendor resource is returned
430 *
431 * RETURN: Status
432 *
433 * DESCRIPTION: Walk a resource template for the specified evice to find a
434 * vendor-defined resource that matches the supplied UUID and
435 * UUID subtype. Returns a struct acpi_resource of type Vendor.
436 *
437 ******************************************************************************/
438
439acpi_status
440acpi_get_vendor_resource(acpi_handle device_handle,
441 char *name,
442 struct acpi_vendor_uuid * uuid,
443 struct acpi_buffer * ret_buffer)
444{
445 struct acpi_vendor_walk_info info;
446 acpi_status status;
447
448 /* Other parameters are validated by acpi_walk_resources */
449
450 if (!uuid || !ret_buffer) {
451 return (AE_BAD_PARAMETER);
452 }
453
454 info.uuid = uuid;
455 info.buffer = ret_buffer;
456 info.status = AE_NOT_EXIST;
457
458 /* Walk the _CRS or _PRS resource list for this device */
459
460 status =
461 acpi_walk_resources(device_handle, name,
462 acpi_rs_match_vendor_resource, &info);
463 if (ACPI_FAILURE(status)) {
464 return (status);
465 }
466
467 return (info.status);
468}
469
470/*******************************************************************************
471 *
472 * FUNCTION: acpi_rs_match_vendor_resource
473 *
474 * PARAMETERS: ACPI_WALK_RESOURCE_CALLBACK
475 *
476 * RETURN: Status
477 *
478 * DESCRIPTION: Match a vendor resource via the ACPI 3.0 UUID
479 *
480 ******************************************************************************/
481
482static acpi_status
483acpi_rs_match_vendor_resource(struct acpi_resource *resource, void *context)
484{
485 struct acpi_vendor_walk_info *info = context;
486 struct acpi_resource_vendor_typed *vendor;
487 struct acpi_buffer *buffer;
488 acpi_status status;
489
490 /* Ignore all descriptors except Vendor */
491
492 if (resource->type != ACPI_RESOURCE_TYPE_VENDOR) {
493 return (AE_OK);
494 }
495
496 vendor = &resource->data.vendor_typed;
497
498 /*
499 * For a valid match, these conditions must hold:
500 *
501 * 1) Length of descriptor data must be at least as long as a UUID struct
502 * 2) The UUID subtypes must match
503 * 3) The UUID data must match
504 */
505 if ((vendor->byte_length < (ACPI_UUID_LENGTH + 1)) ||
506 (vendor->uuid_subtype != info->uuid->subtype) ||
507 (ACPI_MEMCMP(vendor->uuid, info->uuid->data, ACPI_UUID_LENGTH))) {
508 return (AE_OK);
509 }
510
511 /* Validate/Allocate/Clear caller buffer */
512
513 buffer = info->buffer;
514 status = acpi_ut_initialize_buffer(buffer, resource->length);
515 if (ACPI_FAILURE(status)) {
516 return (status);
517 }
518
519 /* Found the correct resource, copy and return it */
520
521 ACPI_MEMCPY(buffer->pointer, resource, resource->length);
522 buffer->length = resource->length;
523
524 /* Found the desired descriptor, terminate resource walk */
525
526 info->status = AE_OK;
527 return (AE_CTRL_TERMINATE);
528}
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-01 23:13:36 -0500