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1da177e4 LT |
1 | /******************************************************************************* |
2 | * | |
3 | * Module Name: rsaddr - Address resource descriptors (16/32/64) | |
4 | * | |
5 | ******************************************************************************/ | |
6 | ||
7 | /* | |
8 | * Copyright (C) 2000 - 2005, 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 | ||
45 | #include <acpi/acpi.h> | |
46 | #include <acpi/acresrc.h> | |
47 | ||
48 | #define _COMPONENT ACPI_RESOURCES | |
49 | ACPI_MODULE_NAME ("rsaddr") | |
50 | ||
51 | ||
52 | /******************************************************************************* | |
53 | * | |
54 | * FUNCTION: acpi_rs_address16_resource | |
55 | * | |
56 | * PARAMETERS: byte_stream_buffer - Pointer to the resource input byte | |
57 | * stream | |
58 | * bytes_consumed - Pointer to where the number of bytes | |
59 | * consumed the byte_stream_buffer is | |
60 | * returned | |
61 | * output_buffer - Pointer to the return data buffer | |
62 | * structure_size - Pointer to where the number of bytes | |
63 | * in the return data struct is returned | |
64 | * | |
65 | * RETURN: Status | |
66 | * | |
67 | * DESCRIPTION: Take the resource byte stream and fill out the appropriate | |
68 | * structure pointed to by the output_buffer. Return the | |
69 | * number of bytes consumed from the byte stream. | |
70 | * | |
71 | ******************************************************************************/ | |
72 | ||
73 | acpi_status | |
74 | acpi_rs_address16_resource ( | |
75 | u8 *byte_stream_buffer, | |
76 | acpi_size *bytes_consumed, | |
77 | u8 **output_buffer, | |
78 | acpi_size *structure_size) | |
79 | { | |
1da177e4 LT |
80 | u32 index; |
81 | u16 temp16; | |
82 | u8 temp8; | |
44f6c012 RM |
83 | u8 *temp_ptr; |
84 | u8 *buffer = byte_stream_buffer; | |
85 | struct acpi_resource *output_struct = (void *) *output_buffer; | |
86 | acpi_size struct_size = ACPI_SIZEOF_RESOURCE ( | |
87 | struct acpi_resource_address16); | |
1da177e4 LT |
88 | |
89 | ||
90 | ACPI_FUNCTION_TRACE ("rs_address16_resource"); | |
91 | ||
92 | ||
44f6c012 RM |
93 | /* Point past the Descriptor to get the number of bytes consumed */ |
94 | ||
1da177e4 LT |
95 | buffer += 1; |
96 | ACPI_MOVE_16_TO_16 (&temp16, buffer); | |
97 | ||
98 | /* Validate minimum descriptor length */ | |
99 | ||
100 | if (temp16 < 13) { | |
101 | return_ACPI_STATUS (AE_AML_BAD_RESOURCE_LENGTH); | |
102 | } | |
103 | ||
104 | *bytes_consumed = temp16 + 3; | |
105 | output_struct->id = ACPI_RSTYPE_ADDRESS16; | |
106 | ||
44f6c012 RM |
107 | /* Get the Resource Type (Byte3) */ |
108 | ||
1da177e4 LT |
109 | buffer += 2; |
110 | temp8 = *buffer; | |
111 | ||
112 | /* Values 0-2 and 0xC0-0xFF are valid */ | |
113 | ||
114 | if ((temp8 > 2) && (temp8 < 0xC0)) { | |
115 | return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE); | |
116 | } | |
117 | ||
118 | output_struct->data.address16.resource_type = temp8; | |
119 | ||
44f6c012 RM |
120 | /* Get the General Flags (Byte4) */ |
121 | ||
1da177e4 LT |
122 | buffer += 1; |
123 | temp8 = *buffer; | |
124 | ||
125 | /* Producer / Consumer */ | |
126 | ||
127 | output_struct->data.address16.producer_consumer = temp8 & 0x01; | |
128 | ||
129 | /* Decode */ | |
130 | ||
131 | output_struct->data.address16.decode = (temp8 >> 1) & 0x01; | |
132 | ||
133 | /* Min Address Fixed */ | |
134 | ||
135 | output_struct->data.address16.min_address_fixed = (temp8 >> 2) & 0x01; | |
136 | ||
137 | /* Max Address Fixed */ | |
138 | ||
139 | output_struct->data.address16.max_address_fixed = (temp8 >> 3) & 0x01; | |
140 | ||
44f6c012 RM |
141 | /* Get the Type Specific Flags (Byte5) */ |
142 | ||
1da177e4 LT |
143 | buffer += 1; |
144 | temp8 = *buffer; | |
145 | ||
146 | if (ACPI_MEMORY_RANGE == output_struct->data.address16.resource_type) { | |
147 | output_struct->data.address16.attribute.memory.read_write_attribute = | |
148 | (u16) (temp8 & 0x01); | |
149 | output_struct->data.address16.attribute.memory.cache_attribute = | |
150 | (u16) ((temp8 >> 1) & 0x03); | |
151 | } | |
152 | else { | |
153 | if (ACPI_IO_RANGE == output_struct->data.address16.resource_type) { | |
154 | output_struct->data.address16.attribute.io.range_attribute = | |
155 | (u16) (temp8 & 0x03); | |
156 | output_struct->data.address16.attribute.io.translation_attribute = | |
157 | (u16) ((temp8 >> 4) & 0x03); | |
158 | } | |
159 | else { | |
160 | /* BUS_NUMBER_RANGE == Address16.Data->resource_type */ | |
161 | /* Nothing needs to be filled in */ | |
162 | } | |
163 | } | |
164 | ||
44f6c012 RM |
165 | /* Get Granularity (Bytes 6-7) */ |
166 | ||
1da177e4 LT |
167 | buffer += 1; |
168 | ACPI_MOVE_16_TO_32 (&output_struct->data.address16.granularity, buffer); | |
169 | ||
44f6c012 RM |
170 | /* Get min_address_range (Bytes 8-9) */ |
171 | ||
1da177e4 LT |
172 | buffer += 2; |
173 | ACPI_MOVE_16_TO_32 (&output_struct->data.address16.min_address_range, buffer); | |
174 | ||
44f6c012 RM |
175 | /* Get max_address_range (Bytes 10-11) */ |
176 | ||
1da177e4 LT |
177 | buffer += 2; |
178 | ACPI_MOVE_16_TO_32 (&output_struct->data.address16.max_address_range, buffer); | |
179 | ||
44f6c012 RM |
180 | /* Get address_translation_offset (Bytes 12-13) */ |
181 | ||
1da177e4 | 182 | buffer += 2; |
44f6c012 RM |
183 | ACPI_MOVE_16_TO_32 (&output_struct->data.address16.address_translation_offset, |
184 | buffer); | |
185 | ||
186 | /* Get address_length (Bytes 14-15) */ | |
1da177e4 | 187 | |
1da177e4 LT |
188 | buffer += 2; |
189 | ACPI_MOVE_16_TO_32 (&output_struct->data.address16.address_length, buffer); | |
190 | ||
44f6c012 RM |
191 | /* Resource Source Index (if present) */ |
192 | ||
1da177e4 LT |
193 | buffer += 2; |
194 | ||
195 | /* | |
196 | * This will leave us pointing to the Resource Source Index | |
197 | * If it is present, then save it off and calculate the | |
198 | * pointer to where the null terminated string goes: | |
199 | * Each Interrupt takes 32-bits + the 5 bytes of the | |
200 | * stream that are default. | |
201 | * | |
202 | * Note: Some resource descriptors will have an additional null, so | |
203 | * we add 1 to the length. | |
204 | */ | |
205 | if (*bytes_consumed > (16 + 1)) { | |
206 | /* Dereference the Index */ | |
207 | ||
208 | temp8 = *buffer; | |
209 | output_struct->data.address16.resource_source.index = (u32) temp8; | |
210 | ||
211 | /* Point to the String */ | |
212 | ||
213 | buffer += 1; | |
214 | ||
215 | /* Point the String pointer to the end of this structure */ | |
216 | ||
217 | output_struct->data.address16.resource_source.string_ptr = | |
218 | (char *)((u8 * )output_struct + struct_size); | |
219 | ||
44f6c012 RM |
220 | temp_ptr = (u8 *) |
221 | output_struct->data.address16.resource_source.string_ptr; | |
1da177e4 LT |
222 | |
223 | /* Copy the string into the buffer */ | |
224 | ||
225 | index = 0; | |
226 | ||
227 | while (0x00 != *buffer) { | |
228 | *temp_ptr = *buffer; | |
229 | ||
230 | temp_ptr += 1; | |
231 | buffer += 1; | |
232 | index += 1; | |
233 | } | |
234 | ||
44f6c012 RM |
235 | /* Add the terminating null */ |
236 | ||
1da177e4 LT |
237 | *temp_ptr = 0x00; |
238 | ||
239 | output_struct->data.address16.resource_source.string_length = index + 1; | |
240 | ||
241 | /* | |
242 | * In order for the struct_size to fall on a 32-bit boundary, | |
243 | * calculate the length of the string and expand the | |
244 | * struct_size to the next 32-bit boundary. | |
245 | */ | |
246 | temp8 = (u8) (index + 1); | |
247 | struct_size += ACPI_ROUND_UP_to_32_bITS (temp8); | |
248 | } | |
249 | else { | |
250 | output_struct->data.address16.resource_source.index = 0x00; | |
251 | output_struct->data.address16.resource_source.string_length = 0; | |
252 | output_struct->data.address16.resource_source.string_ptr = NULL; | |
253 | } | |
254 | ||
44f6c012 RM |
255 | /* Set the Length parameter */ |
256 | ||
1da177e4 LT |
257 | output_struct->length = (u32) struct_size; |
258 | ||
44f6c012 RM |
259 | /* Return the final size of the structure */ |
260 | ||
1da177e4 LT |
261 | *structure_size = struct_size; |
262 | return_ACPI_STATUS (AE_OK); | |
263 | } | |
264 | ||
265 | ||
266 | /******************************************************************************* | |
267 | * | |
268 | * FUNCTION: acpi_rs_address16_stream | |
269 | * | |
270 | * PARAMETERS: linked_list - Pointer to the resource linked list | |
271 | * output_buffer - Pointer to the user's return buffer | |
272 | * bytes_consumed - Pointer to where the number of bytes | |
273 | * used in the output_buffer is returned | |
274 | * | |
275 | * RETURN: Status | |
276 | * | |
277 | * DESCRIPTION: Take the linked list resource structure and fills in the | |
278 | * the appropriate bytes in a byte stream | |
279 | * | |
280 | ******************************************************************************/ | |
281 | ||
282 | acpi_status | |
283 | acpi_rs_address16_stream ( | |
284 | struct acpi_resource *linked_list, | |
285 | u8 **output_buffer, | |
286 | acpi_size *bytes_consumed) | |
287 | { | |
288 | u8 *buffer = *output_buffer; | |
289 | u8 *length_field; | |
290 | u8 temp8; | |
291 | char *temp_pointer = NULL; | |
292 | acpi_size actual_bytes; | |
293 | ||
294 | ||
295 | ACPI_FUNCTION_TRACE ("rs_address16_stream"); | |
296 | ||
297 | ||
44f6c012 RM |
298 | /* The descriptor field is static */ |
299 | ||
1da177e4 LT |
300 | *buffer = 0x88; |
301 | buffer += 1; | |
302 | ||
44f6c012 RM |
303 | /* Save a pointer to the Length field - to be filled in later */ |
304 | ||
1da177e4 LT |
305 | length_field = buffer; |
306 | buffer += 2; | |
307 | ||
44f6c012 RM |
308 | /* Set the Resource Type (Memory, Io, bus_number) */ |
309 | ||
1da177e4 LT |
310 | temp8 = (u8) (linked_list->data.address16.resource_type & 0x03); |
311 | *buffer = temp8; | |
312 | buffer += 1; | |
313 | ||
44f6c012 RM |
314 | /* Set the general flags */ |
315 | ||
1da177e4 LT |
316 | temp8 = (u8) (linked_list->data.address16.producer_consumer & 0x01); |
317 | ||
318 | temp8 |= (linked_list->data.address16.decode & 0x01) << 1; | |
319 | temp8 |= (linked_list->data.address16.min_address_fixed & 0x01) << 2; | |
320 | temp8 |= (linked_list->data.address16.max_address_fixed & 0x01) << 3; | |
321 | ||
322 | *buffer = temp8; | |
323 | buffer += 1; | |
324 | ||
44f6c012 RM |
325 | /* Set the type specific flags */ |
326 | ||
1da177e4 LT |
327 | temp8 = 0; |
328 | ||
329 | if (ACPI_MEMORY_RANGE == linked_list->data.address16.resource_type) { | |
330 | temp8 = (u8) | |
331 | (linked_list->data.address16.attribute.memory.read_write_attribute & | |
332 | 0x01); | |
333 | ||
334 | temp8 |= | |
335 | (linked_list->data.address16.attribute.memory.cache_attribute & | |
336 | 0x03) << 1; | |
337 | } | |
338 | else if (ACPI_IO_RANGE == linked_list->data.address16.resource_type) { | |
339 | temp8 = (u8) | |
340 | (linked_list->data.address16.attribute.io.range_attribute & | |
341 | 0x03); | |
342 | temp8 |= | |
343 | (linked_list->data.address16.attribute.io.translation_attribute & | |
344 | 0x03) << 4; | |
345 | } | |
346 | ||
347 | *buffer = temp8; | |
348 | buffer += 1; | |
349 | ||
44f6c012 RM |
350 | /* Set the address space granularity */ |
351 | ||
1da177e4 LT |
352 | ACPI_MOVE_32_TO_16 (buffer, &linked_list->data.address16.granularity); |
353 | buffer += 2; | |
354 | ||
44f6c012 RM |
355 | /* Set the address range minimum */ |
356 | ||
1da177e4 LT |
357 | ACPI_MOVE_32_TO_16 (buffer, &linked_list->data.address16.min_address_range); |
358 | buffer += 2; | |
359 | ||
44f6c012 RM |
360 | /* Set the address range maximum */ |
361 | ||
1da177e4 LT |
362 | ACPI_MOVE_32_TO_16 (buffer, &linked_list->data.address16.max_address_range); |
363 | buffer += 2; | |
364 | ||
44f6c012 RM |
365 | /* Set the address translation offset */ |
366 | ||
367 | ACPI_MOVE_32_TO_16 (buffer, | |
368 | &linked_list->data.address16.address_translation_offset); | |
1da177e4 LT |
369 | buffer += 2; |
370 | ||
44f6c012 RM |
371 | /* Set the address length */ |
372 | ||
1da177e4 LT |
373 | ACPI_MOVE_32_TO_16 (buffer, &linked_list->data.address16.address_length); |
374 | buffer += 2; | |
375 | ||
44f6c012 RM |
376 | /* Resource Source Index and Resource Source are optional */ |
377 | ||
1da177e4 LT |
378 | if (0 != linked_list->data.address16.resource_source.string_length) { |
379 | temp8 = (u8) linked_list->data.address16.resource_source.index; | |
380 | ||
381 | *buffer = temp8; | |
382 | buffer += 1; | |
383 | ||
384 | temp_pointer = (char *) buffer; | |
385 | ||
44f6c012 RM |
386 | /* Copy the string */ |
387 | ||
1da177e4 LT |
388 | ACPI_STRCPY (temp_pointer, |
389 | linked_list->data.address16.resource_source.string_ptr); | |
390 | ||
391 | /* | |
392 | * Buffer needs to be set to the length of the sting + one for the | |
393 | * terminating null | |
394 | */ | |
44f6c012 RM |
395 | buffer += (acpi_size)(ACPI_STRLEN ( |
396 | linked_list->data.address16.resource_source.string_ptr) + 1); | |
1da177e4 LT |
397 | } |
398 | ||
44f6c012 RM |
399 | /* Return the number of bytes consumed in this operation */ |
400 | ||
1da177e4 LT |
401 | actual_bytes = ACPI_PTR_DIFF (buffer, *output_buffer); |
402 | *bytes_consumed = actual_bytes; | |
403 | ||
404 | /* | |
405 | * Set the length field to the number of bytes consumed | |
406 | * minus the header size (3 bytes) | |
407 | */ | |
408 | actual_bytes -= 3; | |
409 | ACPI_MOVE_SIZE_TO_16 (length_field, &actual_bytes); | |
410 | return_ACPI_STATUS (AE_OK); | |
411 | } | |
412 | ||
413 | ||
414 | /******************************************************************************* | |
415 | * | |
416 | * FUNCTION: acpi_rs_address32_resource | |
417 | * | |
418 | * PARAMETERS: byte_stream_buffer - Pointer to the resource input byte | |
419 | * stream | |
420 | * bytes_consumed - Pointer to where the number of bytes | |
421 | * consumed the byte_stream_buffer is | |
422 | * returned | |
423 | * output_buffer - Pointer to the return data buffer | |
424 | * structure_size - Pointer to where the number of bytes | |
425 | * in the return data struct is returned | |
426 | * | |
427 | * RETURN: Status | |
428 | * | |
429 | * DESCRIPTION: Take the resource byte stream and fill out the appropriate | |
430 | * structure pointed to by the output_buffer. Return the | |
431 | * number of bytes consumed from the byte stream. | |
432 | * | |
433 | ******************************************************************************/ | |
434 | ||
435 | acpi_status | |
436 | acpi_rs_address32_resource ( | |
437 | u8 *byte_stream_buffer, | |
438 | acpi_size *bytes_consumed, | |
439 | u8 **output_buffer, | |
440 | acpi_size *structure_size) | |
441 | { | |
442 | u8 *buffer; | |
443 | struct acpi_resource *output_struct= (void *) *output_buffer; | |
444 | u16 temp16; | |
445 | u8 temp8; | |
446 | u8 *temp_ptr; | |
447 | acpi_size struct_size; | |
448 | u32 index; | |
449 | ||
450 | ||
451 | ACPI_FUNCTION_TRACE ("rs_address32_resource"); | |
452 | ||
453 | ||
454 | buffer = byte_stream_buffer; | |
455 | struct_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_address32); | |
456 | ||
44f6c012 RM |
457 | /* Point past the Descriptor to get the number of bytes consumed */ |
458 | ||
1da177e4 LT |
459 | buffer += 1; |
460 | ACPI_MOVE_16_TO_16 (&temp16, buffer); | |
461 | ||
462 | /* Validate minimum descriptor length */ | |
463 | ||
464 | if (temp16 < 23) { | |
465 | return_ACPI_STATUS (AE_AML_BAD_RESOURCE_LENGTH); | |
466 | } | |
467 | ||
468 | *bytes_consumed = temp16 + 3; | |
469 | output_struct->id = ACPI_RSTYPE_ADDRESS32; | |
470 | ||
44f6c012 RM |
471 | /* Get the Resource Type (Byte3) */ |
472 | ||
1da177e4 LT |
473 | buffer += 2; |
474 | temp8 = *buffer; | |
475 | ||
476 | /* Values 0-2 and 0xC0-0xFF are valid */ | |
477 | ||
478 | if ((temp8 > 2) && (temp8 < 0xC0)) { | |
479 | return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE); | |
480 | } | |
481 | ||
482 | output_struct->data.address32.resource_type = temp8; | |
483 | ||
44f6c012 RM |
484 | /* Get the General Flags (Byte4) */ |
485 | ||
1da177e4 LT |
486 | buffer += 1; |
487 | temp8 = *buffer; | |
488 | ||
44f6c012 RM |
489 | /* Producer / Consumer */ |
490 | ||
1da177e4 LT |
491 | output_struct->data.address32.producer_consumer = temp8 & 0x01; |
492 | ||
44f6c012 RM |
493 | /* Decode */ |
494 | ||
1da177e4 LT |
495 | output_struct->data.address32.decode = (temp8 >> 1) & 0x01; |
496 | ||
44f6c012 RM |
497 | /* Min Address Fixed */ |
498 | ||
1da177e4 LT |
499 | output_struct->data.address32.min_address_fixed = (temp8 >> 2) & 0x01; |
500 | ||
44f6c012 RM |
501 | /* Max Address Fixed */ |
502 | ||
1da177e4 LT |
503 | output_struct->data.address32.max_address_fixed = (temp8 >> 3) & 0x01; |
504 | ||
44f6c012 RM |
505 | /* Get the Type Specific Flags (Byte5) */ |
506 | ||
1da177e4 LT |
507 | buffer += 1; |
508 | temp8 = *buffer; | |
509 | ||
510 | if (ACPI_MEMORY_RANGE == output_struct->data.address32.resource_type) { | |
511 | output_struct->data.address32.attribute.memory.read_write_attribute = | |
512 | (u16) (temp8 & 0x01); | |
513 | ||
514 | output_struct->data.address32.attribute.memory.cache_attribute = | |
515 | (u16) ((temp8 >> 1) & 0x03); | |
516 | } | |
517 | else { | |
518 | if (ACPI_IO_RANGE == output_struct->data.address32.resource_type) { | |
519 | output_struct->data.address32.attribute.io.range_attribute = | |
520 | (u16) (temp8 & 0x03); | |
521 | output_struct->data.address32.attribute.io.translation_attribute = | |
522 | (u16) ((temp8 >> 4) & 0x03); | |
523 | } | |
524 | else { | |
525 | /* BUS_NUMBER_RANGE == output_struct->Data.Address32.resource_type */ | |
526 | /* Nothing needs to be filled in */ | |
527 | } | |
528 | } | |
529 | ||
44f6c012 RM |
530 | /* Get Granularity (Bytes 6-9) */ |
531 | ||
1da177e4 LT |
532 | buffer += 1; |
533 | ACPI_MOVE_32_TO_32 (&output_struct->data.address32.granularity, buffer); | |
534 | ||
44f6c012 RM |
535 | /* Get min_address_range (Bytes 10-13) */ |
536 | ||
1da177e4 LT |
537 | buffer += 4; |
538 | ACPI_MOVE_32_TO_32 (&output_struct->data.address32.min_address_range, buffer); | |
539 | ||
44f6c012 RM |
540 | /* Get max_address_range (Bytes 14-17) */ |
541 | ||
1da177e4 LT |
542 | buffer += 4; |
543 | ACPI_MOVE_32_TO_32 (&output_struct->data.address32.max_address_range, buffer); | |
544 | ||
44f6c012 RM |
545 | /* Get address_translation_offset (Bytes 18-21) */ |
546 | ||
1da177e4 | 547 | buffer += 4; |
44f6c012 RM |
548 | ACPI_MOVE_32_TO_32 (&output_struct->data.address32.address_translation_offset, |
549 | buffer); | |
550 | ||
551 | /* Get address_length (Bytes 22-25) */ | |
1da177e4 | 552 | |
1da177e4 LT |
553 | buffer += 4; |
554 | ACPI_MOVE_32_TO_32 (&output_struct->data.address32.address_length, buffer); | |
555 | ||
44f6c012 RM |
556 | /* Resource Source Index (if present) */ |
557 | ||
1da177e4 LT |
558 | buffer += 4; |
559 | ||
560 | /* | |
561 | * This will leave us pointing to the Resource Source Index | |
562 | * If it is present, then save it off and calculate the | |
563 | * pointer to where the null terminated string goes: | |
564 | * | |
565 | * Note: Some resource descriptors will have an additional null, so | |
566 | * we add 1 to the length. | |
567 | */ | |
568 | if (*bytes_consumed > (26 + 1)) { | |
569 | /* Dereference the Index */ | |
570 | ||
571 | temp8 = *buffer; | |
572 | output_struct->data.address32.resource_source.index = | |
573 | (u32) temp8; | |
574 | ||
575 | /* Point to the String */ | |
576 | ||
577 | buffer += 1; | |
578 | ||
579 | /* Point the String pointer to the end of this structure */ | |
580 | ||
581 | output_struct->data.address32.resource_source.string_ptr = | |
582 | (char *)((u8 *)output_struct + struct_size); | |
583 | ||
44f6c012 RM |
584 | temp_ptr = (u8 *) |
585 | output_struct->data.address32.resource_source.string_ptr; | |
1da177e4 LT |
586 | |
587 | /* Copy the string into the buffer */ | |
588 | ||
589 | index = 0; | |
590 | while (0x00 != *buffer) { | |
591 | *temp_ptr = *buffer; | |
592 | ||
593 | temp_ptr += 1; | |
594 | buffer += 1; | |
595 | index += 1; | |
596 | } | |
597 | ||
44f6c012 RM |
598 | /* Add the terminating null */ |
599 | ||
1da177e4 LT |
600 | *temp_ptr = 0x00; |
601 | output_struct->data.address32.resource_source.string_length = index + 1; | |
602 | ||
603 | /* | |
604 | * In order for the struct_size to fall on a 32-bit boundary, | |
605 | * calculate the length of the string and expand the | |
606 | * struct_size to the next 32-bit boundary. | |
607 | */ | |
608 | temp8 = (u8) (index + 1); | |
609 | struct_size += ACPI_ROUND_UP_to_32_bITS (temp8); | |
610 | } | |
611 | else { | |
612 | output_struct->data.address32.resource_source.index = 0x00; | |
613 | output_struct->data.address32.resource_source.string_length = 0; | |
614 | output_struct->data.address32.resource_source.string_ptr = NULL; | |
615 | } | |
616 | ||
44f6c012 RM |
617 | /* Set the Length parameter */ |
618 | ||
1da177e4 LT |
619 | output_struct->length = (u32) struct_size; |
620 | ||
44f6c012 RM |
621 | /* Return the final size of the structure */ |
622 | ||
1da177e4 LT |
623 | *structure_size = struct_size; |
624 | return_ACPI_STATUS (AE_OK); | |
625 | } | |
626 | ||
627 | ||
628 | /******************************************************************************* | |
629 | * | |
630 | * FUNCTION: acpi_rs_address32_stream | |
631 | * | |
632 | * PARAMETERS: linked_list - Pointer to the resource linked list | |
633 | * output_buffer - Pointer to the user's return buffer | |
634 | * bytes_consumed - Pointer to where the number of bytes | |
635 | * used in the output_buffer is returned | |
636 | * | |
637 | * RETURN: Status | |
638 | * | |
639 | * DESCRIPTION: Take the linked list resource structure and fills in the | |
640 | * the appropriate bytes in a byte stream | |
641 | * | |
642 | ******************************************************************************/ | |
643 | ||
644 | acpi_status | |
645 | acpi_rs_address32_stream ( | |
646 | struct acpi_resource *linked_list, | |
647 | u8 **output_buffer, | |
648 | acpi_size *bytes_consumed) | |
649 | { | |
650 | u8 *buffer; | |
651 | u16 *length_field; | |
652 | u8 temp8; | |
653 | char *temp_pointer; | |
654 | ||
655 | ||
656 | ACPI_FUNCTION_TRACE ("rs_address32_stream"); | |
657 | ||
658 | ||
659 | buffer = *output_buffer; | |
660 | ||
44f6c012 RM |
661 | /* The descriptor field is static */ |
662 | ||
1da177e4 LT |
663 | *buffer = 0x87; |
664 | buffer += 1; | |
665 | ||
44f6c012 RM |
666 | /* Set a pointer to the Length field - to be filled in later */ |
667 | ||
1da177e4 LT |
668 | length_field = ACPI_CAST_PTR (u16, buffer); |
669 | buffer += 2; | |
670 | ||
44f6c012 RM |
671 | /* Set the Resource Type (Memory, Io, bus_number) */ |
672 | ||
1da177e4 LT |
673 | temp8 = (u8) (linked_list->data.address32.resource_type & 0x03); |
674 | ||
675 | *buffer = temp8; | |
676 | buffer += 1; | |
677 | ||
44f6c012 RM |
678 | /* Set the general flags */ |
679 | ||
1da177e4 LT |
680 | temp8 = (u8) (linked_list->data.address32.producer_consumer & 0x01); |
681 | temp8 |= (linked_list->data.address32.decode & 0x01) << 1; | |
682 | temp8 |= (linked_list->data.address32.min_address_fixed & 0x01) << 2; | |
683 | temp8 |= (linked_list->data.address32.max_address_fixed & 0x01) << 3; | |
684 | ||
685 | *buffer = temp8; | |
686 | buffer += 1; | |
687 | ||
44f6c012 RM |
688 | /* Set the type specific flags */ |
689 | ||
1da177e4 LT |
690 | temp8 = 0; |
691 | ||
692 | if (ACPI_MEMORY_RANGE == linked_list->data.address32.resource_type) { | |
693 | temp8 = (u8) | |
694 | (linked_list->data.address32.attribute.memory.read_write_attribute & | |
695 | 0x01); | |
696 | ||
697 | temp8 |= | |
698 | (linked_list->data.address32.attribute.memory.cache_attribute & | |
699 | 0x03) << 1; | |
700 | } | |
701 | else if (ACPI_IO_RANGE == linked_list->data.address32.resource_type) { | |
702 | temp8 = (u8) | |
703 | (linked_list->data.address32.attribute.io.range_attribute & | |
704 | 0x03); | |
705 | temp8 |= | |
706 | (linked_list->data.address32.attribute.io.translation_attribute & | |
707 | 0x03) << 4; | |
708 | } | |
709 | ||
710 | *buffer = temp8; | |
711 | buffer += 1; | |
712 | ||
44f6c012 RM |
713 | /* Set the address space granularity */ |
714 | ||
1da177e4 LT |
715 | ACPI_MOVE_32_TO_32 (buffer, &linked_list->data.address32.granularity); |
716 | buffer += 4; | |
717 | ||
44f6c012 RM |
718 | /* Set the address range minimum */ |
719 | ||
1da177e4 LT |
720 | ACPI_MOVE_32_TO_32 (buffer, &linked_list->data.address32.min_address_range); |
721 | buffer += 4; | |
722 | ||
44f6c012 RM |
723 | /* Set the address range maximum */ |
724 | ||
1da177e4 LT |
725 | ACPI_MOVE_32_TO_32 (buffer, &linked_list->data.address32.max_address_range); |
726 | buffer += 4; | |
727 | ||
44f6c012 RM |
728 | /* Set the address translation offset */ |
729 | ||
730 | ACPI_MOVE_32_TO_32 (buffer, | |
731 | &linked_list->data.address32.address_translation_offset); | |
1da177e4 LT |
732 | buffer += 4; |
733 | ||
44f6c012 RM |
734 | /* Set the address length */ |
735 | ||
1da177e4 LT |
736 | ACPI_MOVE_32_TO_32 (buffer, &linked_list->data.address32.address_length); |
737 | buffer += 4; | |
738 | ||
44f6c012 RM |
739 | /* Resource Source Index and Resource Source are optional */ |
740 | ||
1da177e4 LT |
741 | if (0 != linked_list->data.address32.resource_source.string_length) { |
742 | temp8 = (u8) linked_list->data.address32.resource_source.index; | |
743 | ||
744 | *buffer = temp8; | |
745 | buffer += 1; | |
746 | ||
747 | temp_pointer = (char *) buffer; | |
748 | ||
44f6c012 RM |
749 | /* Copy the string */ |
750 | ||
1da177e4 LT |
751 | ACPI_STRCPY (temp_pointer, |
752 | linked_list->data.address32.resource_source.string_ptr); | |
753 | ||
754 | /* | |
755 | * Buffer needs to be set to the length of the sting + one for the | |
756 | * terminating null | |
757 | */ | |
44f6c012 RM |
758 | buffer += (acpi_size)(ACPI_STRLEN ( |
759 | linked_list->data.address32.resource_source.string_ptr) + 1); | |
1da177e4 LT |
760 | } |
761 | ||
44f6c012 RM |
762 | /* Return the number of bytes consumed in this operation */ |
763 | ||
1da177e4 LT |
764 | *bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer); |
765 | ||
766 | /* | |
767 | * Set the length field to the number of bytes consumed | |
768 | * minus the header size (3 bytes) | |
769 | */ | |
770 | *length_field = (u16) (*bytes_consumed - 3); | |
771 | return_ACPI_STATUS (AE_OK); | |
772 | } | |
773 | ||
774 | ||
775 | /******************************************************************************* | |
776 | * | |
777 | * FUNCTION: acpi_rs_address64_resource | |
778 | * | |
779 | * PARAMETERS: byte_stream_buffer - Pointer to the resource input byte | |
780 | * stream | |
781 | * bytes_consumed - Pointer to where the number of bytes | |
782 | * consumed the byte_stream_buffer is | |
783 | * returned | |
784 | * output_buffer - Pointer to the return data buffer | |
785 | * structure_size - Pointer to where the number of bytes | |
786 | * in the return data struct is returned | |
787 | * | |
788 | * RETURN: Status | |
789 | * | |
790 | * DESCRIPTION: Take the resource byte stream and fill out the appropriate | |
791 | * structure pointed to by the output_buffer. Return the | |
792 | * number of bytes consumed from the byte stream. | |
793 | * | |
794 | ******************************************************************************/ | |
795 | ||
796 | acpi_status | |
797 | acpi_rs_address64_resource ( | |
798 | u8 *byte_stream_buffer, | |
799 | acpi_size *bytes_consumed, | |
800 | u8 **output_buffer, | |
801 | acpi_size *structure_size) | |
802 | { | |
803 | u8 *buffer; | |
804 | struct acpi_resource *output_struct = (void *) *output_buffer; | |
805 | u16 temp16; | |
806 | u8 temp8; | |
807 | u8 resource_type; | |
808 | u8 *temp_ptr; | |
809 | acpi_size struct_size; | |
810 | u32 index; | |
811 | ||
812 | ||
813 | ACPI_FUNCTION_TRACE ("rs_address64_resource"); | |
814 | ||
815 | ||
816 | buffer = byte_stream_buffer; | |
817 | struct_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_address64); | |
818 | resource_type = *buffer; | |
819 | ||
44f6c012 RM |
820 | /* Point past the Descriptor to get the number of bytes consumed */ |
821 | ||
1da177e4 LT |
822 | buffer += 1; |
823 | ACPI_MOVE_16_TO_16 (&temp16, buffer); | |
824 | ||
825 | /* Validate minimum descriptor length */ | |
826 | ||
827 | if (temp16 < 43) { | |
828 | return_ACPI_STATUS (AE_AML_BAD_RESOURCE_LENGTH); | |
829 | } | |
830 | ||
831 | *bytes_consumed = temp16 + 3; | |
832 | output_struct->id = ACPI_RSTYPE_ADDRESS64; | |
833 | ||
44f6c012 RM |
834 | /* Get the Resource Type (Byte3) */ |
835 | ||
1da177e4 LT |
836 | buffer += 2; |
837 | temp8 = *buffer; | |
838 | ||
839 | /* Values 0-2 and 0xC0-0xFF are valid */ | |
840 | ||
841 | if ((temp8 > 2) && (temp8 < 0xC0)) { | |
842 | return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE); | |
843 | } | |
844 | ||
845 | output_struct->data.address64.resource_type = temp8; | |
846 | ||
44f6c012 RM |
847 | /* Get the General Flags (Byte4) */ |
848 | ||
1da177e4 LT |
849 | buffer += 1; |
850 | temp8 = *buffer; | |
851 | ||
44f6c012 RM |
852 | /* Producer / Consumer */ |
853 | ||
1da177e4 LT |
854 | output_struct->data.address64.producer_consumer = temp8 & 0x01; |
855 | ||
44f6c012 RM |
856 | /* Decode */ |
857 | ||
1da177e4 LT |
858 | output_struct->data.address64.decode = (temp8 >> 1) & 0x01; |
859 | ||
44f6c012 RM |
860 | /* Min Address Fixed */ |
861 | ||
1da177e4 LT |
862 | output_struct->data.address64.min_address_fixed = (temp8 >> 2) & 0x01; |
863 | ||
44f6c012 RM |
864 | /* Max Address Fixed */ |
865 | ||
1da177e4 LT |
866 | output_struct->data.address64.max_address_fixed = (temp8 >> 3) & 0x01; |
867 | ||
44f6c012 RM |
868 | /* Get the Type Specific Flags (Byte5) */ |
869 | ||
1da177e4 LT |
870 | buffer += 1; |
871 | temp8 = *buffer; | |
872 | ||
873 | if (ACPI_MEMORY_RANGE == output_struct->data.address64.resource_type) { | |
874 | output_struct->data.address64.attribute.memory.read_write_attribute = | |
875 | (u16) (temp8 & 0x01); | |
876 | ||
877 | output_struct->data.address64.attribute.memory.cache_attribute = | |
878 | (u16) ((temp8 >> 1) & 0x03); | |
879 | } | |
880 | else { | |
881 | if (ACPI_IO_RANGE == output_struct->data.address64.resource_type) { | |
882 | output_struct->data.address64.attribute.io.range_attribute = | |
883 | (u16) (temp8 & 0x03); | |
884 | output_struct->data.address64.attribute.io.translation_attribute = | |
885 | (u16) ((temp8 >> 4) & 0x03); | |
886 | } | |
887 | else { | |
888 | /* BUS_NUMBER_RANGE == output_struct->Data.Address64.resource_type */ | |
889 | /* Nothing needs to be filled in */ | |
890 | } | |
891 | } | |
892 | ||
893 | if (resource_type == ACPI_RDESC_TYPE_EXTENDED_ADDRESS_SPACE) { | |
894 | /* Move past revision_id and Reserved byte */ | |
895 | ||
896 | buffer += 2; | |
897 | } | |
898 | ||
44f6c012 RM |
899 | /* Get Granularity (Bytes 6-13) or (Bytes 8-15) */ |
900 | ||
1da177e4 LT |
901 | buffer += 1; |
902 | ACPI_MOVE_64_TO_64 (&output_struct->data.address64.granularity, buffer); | |
903 | ||
44f6c012 RM |
904 | /* Get min_address_range (Bytes 14-21) or (Bytes 16-23) */ |
905 | ||
1da177e4 LT |
906 | buffer += 8; |
907 | ACPI_MOVE_64_TO_64 (&output_struct->data.address64.min_address_range, buffer); | |
908 | ||
44f6c012 RM |
909 | /* Get max_address_range (Bytes 22-29) or (Bytes 24-31) */ |
910 | ||
1da177e4 LT |
911 | buffer += 8; |
912 | ACPI_MOVE_64_TO_64 (&output_struct->data.address64.max_address_range, buffer); | |
913 | ||
44f6c012 RM |
914 | /* Get address_translation_offset (Bytes 30-37) or (Bytes 32-39) */ |
915 | ||
1da177e4 | 916 | buffer += 8; |
44f6c012 RM |
917 | ACPI_MOVE_64_TO_64 (&output_struct->data.address64.address_translation_offset, |
918 | buffer); | |
919 | ||
920 | /* Get address_length (Bytes 38-45) or (Bytes 40-47) */ | |
1da177e4 | 921 | |
1da177e4 LT |
922 | buffer += 8; |
923 | ACPI_MOVE_64_TO_64 (&output_struct->data.address64.address_length, buffer); | |
924 | ||
925 | output_struct->data.address64.resource_source.index = 0x00; | |
926 | output_struct->data.address64.resource_source.string_length = 0; | |
927 | output_struct->data.address64.resource_source.string_ptr = NULL; | |
928 | ||
929 | if (resource_type == ACPI_RDESC_TYPE_EXTENDED_ADDRESS_SPACE) { | |
930 | /* Get type_specific_attribute (Bytes 48-55) */ | |
931 | ||
932 | buffer += 8; | |
44f6c012 RM |
933 | ACPI_MOVE_64_TO_64 ( |
934 | &output_struct->data.address64.type_specific_attributes, | |
935 | buffer); | |
1da177e4 LT |
936 | } |
937 | else { | |
938 | output_struct->data.address64.type_specific_attributes = 0; | |
939 | ||
44f6c012 RM |
940 | /* Resource Source Index (if present) */ |
941 | ||
1da177e4 LT |
942 | buffer += 8; |
943 | ||
944 | /* | |
945 | * This will leave us pointing to the Resource Source Index | |
946 | * If it is present, then save it off and calculate the | |
947 | * pointer to where the null terminated string goes: | |
948 | * Each Interrupt takes 32-bits + the 5 bytes of the | |
949 | * stream that are default. | |
950 | * | |
951 | * Note: Some resource descriptors will have an additional null, so | |
952 | * we add 1 to the length. | |
953 | */ | |
954 | if (*bytes_consumed > (46 + 1)) { | |
955 | /* Dereference the Index */ | |
956 | ||
957 | temp8 = *buffer; | |
958 | output_struct->data.address64.resource_source.index = | |
959 | (u32) temp8; | |
960 | ||
961 | /* Point to the String */ | |
962 | ||
963 | buffer += 1; | |
964 | ||
965 | /* Point the String pointer to the end of this structure */ | |
966 | ||
967 | output_struct->data.address64.resource_source.string_ptr = | |
968 | (char *)((u8 *)output_struct + struct_size); | |
969 | ||
44f6c012 RM |
970 | temp_ptr = (u8 *) |
971 | output_struct->data.address64.resource_source.string_ptr; | |
1da177e4 LT |
972 | |
973 | /* Copy the string into the buffer */ | |
974 | ||
975 | index = 0; | |
976 | while (0x00 != *buffer) { | |
977 | *temp_ptr = *buffer; | |
978 | ||
979 | temp_ptr += 1; | |
980 | buffer += 1; | |
981 | index += 1; | |
982 | } | |
983 | ||
984 | /* | |
985 | * Add the terminating null | |
986 | */ | |
987 | *temp_ptr = 0x00; | |
44f6c012 RM |
988 | output_struct->data.address64.resource_source.string_length = |
989 | index + 1; | |
1da177e4 LT |
990 | |
991 | /* | |
992 | * In order for the struct_size to fall on a 32-bit boundary, | |
993 | * calculate the length of the string and expand the | |
994 | * struct_size to the next 32-bit boundary. | |
995 | */ | |
996 | temp8 = (u8) (index + 1); | |
997 | struct_size += ACPI_ROUND_UP_to_32_bITS (temp8); | |
998 | } | |
999 | } | |
1000 | ||
44f6c012 RM |
1001 | /* Set the Length parameter */ |
1002 | ||
1da177e4 LT |
1003 | output_struct->length = (u32) struct_size; |
1004 | ||
44f6c012 RM |
1005 | /* Return the final size of the structure */ |
1006 | ||
1da177e4 LT |
1007 | *structure_size = struct_size; |
1008 | return_ACPI_STATUS (AE_OK); | |
1009 | } | |
1010 | ||
1011 | ||
1012 | /******************************************************************************* | |
1013 | * | |
1014 | * FUNCTION: acpi_rs_address64_stream | |
1015 | * | |
1016 | * PARAMETERS: linked_list - Pointer to the resource linked list | |
1017 | * output_buffer - Pointer to the user's return buffer | |
1018 | * bytes_consumed - Pointer to where the number of bytes | |
1019 | * used in the output_buffer is returned | |
1020 | * | |
1021 | * RETURN: Status | |
1022 | * | |
1023 | * DESCRIPTION: Take the linked list resource structure and fills in the | |
1024 | * the appropriate bytes in a byte stream | |
1025 | * | |
1026 | ******************************************************************************/ | |
1027 | ||
1028 | acpi_status | |
1029 | acpi_rs_address64_stream ( | |
1030 | struct acpi_resource *linked_list, | |
1031 | u8 **output_buffer, | |
1032 | acpi_size *bytes_consumed) | |
1033 | { | |
1034 | u8 *buffer; | |
1035 | u16 *length_field; | |
1036 | u8 temp8; | |
1037 | char *temp_pointer; | |
1038 | ||
1039 | ||
1040 | ACPI_FUNCTION_TRACE ("rs_address64_stream"); | |
1041 | ||
1042 | ||
1043 | buffer = *output_buffer; | |
1044 | ||
44f6c012 RM |
1045 | /* The descriptor field is static */ |
1046 | ||
1da177e4 LT |
1047 | *buffer = 0x8A; |
1048 | buffer += 1; | |
1049 | ||
44f6c012 RM |
1050 | /* Set a pointer to the Length field - to be filled in later */ |
1051 | ||
1da177e4 LT |
1052 | length_field = ACPI_CAST_PTR (u16, buffer); |
1053 | buffer += 2; | |
1054 | ||
44f6c012 RM |
1055 | /* Set the Resource Type (Memory, Io, bus_number) */ |
1056 | ||
1da177e4 LT |
1057 | temp8 = (u8) (linked_list->data.address64.resource_type & 0x03); |
1058 | ||
1059 | *buffer = temp8; | |
1060 | buffer += 1; | |
1061 | ||
44f6c012 RM |
1062 | /* Set the general flags */ |
1063 | ||
1da177e4 LT |
1064 | temp8 = (u8) (linked_list->data.address64.producer_consumer & 0x01); |
1065 | temp8 |= (linked_list->data.address64.decode & 0x01) << 1; | |
1066 | temp8 |= (linked_list->data.address64.min_address_fixed & 0x01) << 2; | |
1067 | temp8 |= (linked_list->data.address64.max_address_fixed & 0x01) << 3; | |
1068 | ||
1069 | *buffer = temp8; | |
1070 | buffer += 1; | |
1071 | ||
44f6c012 RM |
1072 | /* Set the type specific flags */ |
1073 | ||
1da177e4 LT |
1074 | temp8 = 0; |
1075 | ||
1076 | if (ACPI_MEMORY_RANGE == linked_list->data.address64.resource_type) { | |
1077 | temp8 = (u8) | |
1078 | (linked_list->data.address64.attribute.memory.read_write_attribute & | |
1079 | 0x01); | |
1080 | ||
1081 | temp8 |= | |
1082 | (linked_list->data.address64.attribute.memory.cache_attribute & | |
1083 | 0x03) << 1; | |
1084 | } | |
1085 | else if (ACPI_IO_RANGE == linked_list->data.address64.resource_type) { | |
1086 | temp8 = (u8) | |
1087 | (linked_list->data.address64.attribute.io.range_attribute & | |
1088 | 0x03); | |
1089 | temp8 |= | |
1090 | (linked_list->data.address64.attribute.io.range_attribute & | |
1091 | 0x03) << 4; | |
1092 | } | |
1093 | ||
1094 | *buffer = temp8; | |
1095 | buffer += 1; | |
1096 | ||
44f6c012 RM |
1097 | /* Set the address space granularity */ |
1098 | ||
1da177e4 LT |
1099 | ACPI_MOVE_64_TO_64 (buffer, &linked_list->data.address64.granularity); |
1100 | buffer += 8; | |
1101 | ||
44f6c012 RM |
1102 | /* Set the address range minimum */ |
1103 | ||
1da177e4 LT |
1104 | ACPI_MOVE_64_TO_64 (buffer, &linked_list->data.address64.min_address_range); |
1105 | buffer += 8; | |
1106 | ||
44f6c012 RM |
1107 | /* Set the address range maximum */ |
1108 | ||
1da177e4 LT |
1109 | ACPI_MOVE_64_TO_64 (buffer, &linked_list->data.address64.max_address_range); |
1110 | buffer += 8; | |
1111 | ||
44f6c012 RM |
1112 | /* Set the address translation offset */ |
1113 | ||
1114 | ACPI_MOVE_64_TO_64 (buffer, | |
1115 | &linked_list->data.address64.address_translation_offset); | |
1da177e4 LT |
1116 | buffer += 8; |
1117 | ||
44f6c012 RM |
1118 | /* Set the address length */ |
1119 | ||
1da177e4 LT |
1120 | ACPI_MOVE_64_TO_64 (buffer, &linked_list->data.address64.address_length); |
1121 | buffer += 8; | |
1122 | ||
44f6c012 RM |
1123 | /* Resource Source Index and Resource Source are optional */ |
1124 | ||
1da177e4 LT |
1125 | if (0 != linked_list->data.address64.resource_source.string_length) { |
1126 | temp8 = (u8) linked_list->data.address64.resource_source.index; | |
1127 | ||
1128 | *buffer = temp8; | |
1129 | buffer += 1; | |
1130 | ||
1131 | temp_pointer = (char *) buffer; | |
1132 | ||
44f6c012 RM |
1133 | /* Copy the string */ |
1134 | ||
1135 | ACPI_STRCPY (temp_pointer, | |
1136 | linked_list->data.address64.resource_source.string_ptr); | |
1da177e4 LT |
1137 | |
1138 | /* | |
1139 | * Buffer needs to be set to the length of the sting + one for the | |
1140 | * terminating null | |
1141 | */ | |
44f6c012 RM |
1142 | buffer += (acpi_size)(ACPI_STRLEN ( |
1143 | linked_list->data.address64.resource_source.string_ptr) + 1); | |
1da177e4 LT |
1144 | } |
1145 | ||
44f6c012 RM |
1146 | /* Return the number of bytes consumed in this operation */ |
1147 | ||
1da177e4 LT |
1148 | *bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer); |
1149 | ||
1150 | /* | |
1151 | * Set the length field to the number of bytes consumed | |
1152 | * minus the header size (3 bytes) | |
1153 | */ | |
1154 | *length_field = (u16) (*bytes_consumed - 3); | |
1155 | return_ACPI_STATUS (AE_OK); | |
1156 | } | |
1157 |