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1da177e4 LT |
1 | /******************************************************************************* |
2 | * | |
3 | * Module Name: rsaddr - Address resource descriptors (16/32/64) | |
4 | * | |
5 | ******************************************************************************/ | |
6 | ||
7 | /* | |
c8100dc4 | 8 | * Copyright (C) 2000 - 2016, Intel Corp. |
1da177e4 LT |
9 | * All rights reserved. |
10 | * | |
11 | * Redistribution and use in source and binary forms, with or without | |
12 | * modification, are permitted provided that the following conditions | |
13 | * are met: | |
14 | * 1. Redistributions of source code must retain the above copyright | |
15 | * notice, this list of conditions, and the following disclaimer, | |
16 | * without modification. | |
17 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer | |
18 | * substantially similar to the "NO WARRANTY" disclaimer below | |
19 | * ("Disclaimer") and any redistribution must be conditioned upon | |
20 | * including a substantially similar Disclaimer requirement for further | |
21 | * binary redistribution. | |
22 | * 3. Neither the names of the above-listed copyright holders nor the names | |
23 | * of any contributors may be used to endorse or promote products derived | |
24 | * from this software without specific prior written permission. | |
25 | * | |
26 | * Alternatively, this software may be distributed under the terms of the | |
27 | * GNU General Public License ("GPL") version 2 as published by the Free | |
28 | * Software Foundation. | |
29 | * | |
30 | * NO WARRANTY | |
31 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
32 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
33 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR | |
34 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
35 | * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
36 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
37 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
38 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
39 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | |
40 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
41 | * POSSIBILITY OF SUCH DAMAGES. | |
42 | */ | |
43 | ||
1da177e4 | 44 | #include <acpi/acpi.h> |
e2f7a777 LB |
45 | #include "accommon.h" |
46 | #include "acresrc.h" | |
1da177e4 LT |
47 | |
48 | #define _COMPONENT ACPI_RESOURCES | |
4be44fcd | 49 | ACPI_MODULE_NAME("rsaddr") |
1da177e4 | 50 | |
aff8c277 RM |
51 | /******************************************************************************* |
52 | * | |
0897831b | 53 | * acpi_rs_convert_address16 - All WORD (16-bit) address resources |
aff8c277 RM |
54 | * |
55 | ******************************************************************************/ | |
0897831b BM |
56 | struct acpi_rsconvert_info acpi_rs_convert_address16[5] = { |
57 | {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_ADDRESS16, | |
58 | ACPI_RS_SIZE(struct acpi_resource_address16), | |
59 | ACPI_RSC_TABLE_SIZE(acpi_rs_convert_address16)}, | |
aff8c277 | 60 | |
0897831b BM |
61 | {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS16, |
62 | sizeof(struct aml_resource_address16), | |
63 | 0}, | |
aff8c277 | 64 | |
0897831b | 65 | /* Resource Type, General Flags, and Type-Specific Flags */ |
aff8c277 | 66 | |
0897831b | 67 | {ACPI_RSC_ADDRESS, 0, 0, 0}, |
1da177e4 LT |
68 | |
69 | /* | |
0897831b | 70 | * These fields are contiguous in both the source and destination: |
50eca3eb BM |
71 | * Address Granularity |
72 | * Address Range Minimum | |
73 | * Address Range Maximum | |
74 | * Address Translation Offset | |
75 | * Address Length | |
1da177e4 | 76 | */ |
a45de93e | 77 | {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.address16.address.granularity), |
0897831b BM |
78 | AML_OFFSET(address16.granularity), |
79 | 5}, | |
1da177e4 | 80 | |
0897831b | 81 | /* Optional resource_source (Index and String) */ |
1da177e4 | 82 | |
0897831b BM |
83 | {ACPI_RSC_SOURCE, ACPI_RS_OFFSET(data.address16.resource_source), |
84 | 0, | |
85 | sizeof(struct aml_resource_address16)} | |
86 | }; | |
1da177e4 | 87 | |
1da177e4 LT |
88 | /******************************************************************************* |
89 | * | |
0897831b | 90 | * acpi_rs_convert_address32 - All DWORD (32-bit) address resources |
1da177e4 LT |
91 | * |
92 | ******************************************************************************/ | |
93 | ||
0897831b BM |
94 | struct acpi_rsconvert_info acpi_rs_convert_address32[5] = { |
95 | {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_ADDRESS32, | |
96 | ACPI_RS_SIZE(struct acpi_resource_address32), | |
97 | ACPI_RSC_TABLE_SIZE(acpi_rs_convert_address32)}, | |
44f6c012 | 98 | |
0897831b BM |
99 | {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS32, |
100 | sizeof(struct aml_resource_address32), | |
101 | 0}, | |
1da177e4 | 102 | |
0897831b | 103 | /* Resource Type, General Flags, and Type-Specific Flags */ |
44f6c012 | 104 | |
0897831b | 105 | {ACPI_RSC_ADDRESS, 0, 0, 0}, |
44f6c012 | 106 | |
50eca3eb | 107 | /* |
0897831b | 108 | * These fields are contiguous in both the source and destination: |
50eca3eb BM |
109 | * Address Granularity |
110 | * Address Range Minimum | |
111 | * Address Range Maximum | |
112 | * Address Translation Offset | |
113 | * Address Length | |
114 | */ | |
a45de93e | 115 | {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.address32.address.granularity), |
0897831b BM |
116 | AML_OFFSET(address32.granularity), |
117 | 5}, | |
44f6c012 | 118 | |
0897831b | 119 | /* Optional resource_source (Index and String) */ |
1da177e4 | 120 | |
0897831b BM |
121 | {ACPI_RSC_SOURCE, ACPI_RS_OFFSET(data.address32.resource_source), |
122 | 0, | |
123 | sizeof(struct aml_resource_address32)} | |
124 | }; | |
1da177e4 | 125 | |
1da177e4 LT |
126 | /******************************************************************************* |
127 | * | |
0897831b | 128 | * acpi_rs_convert_address64 - All QWORD (64-bit) address resources |
1da177e4 LT |
129 | * |
130 | ******************************************************************************/ | |
131 | ||
0897831b BM |
132 | struct acpi_rsconvert_info acpi_rs_convert_address64[5] = { |
133 | {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_ADDRESS64, | |
134 | ACPI_RS_SIZE(struct acpi_resource_address64), | |
135 | ACPI_RSC_TABLE_SIZE(acpi_rs_convert_address64)}, | |
1da177e4 | 136 | |
0897831b BM |
137 | {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS64, |
138 | sizeof(struct aml_resource_address64), | |
139 | 0}, | |
1da177e4 | 140 | |
0897831b | 141 | /* Resource Type, General Flags, and Type-Specific Flags */ |
1da177e4 | 142 | |
0897831b | 143 | {ACPI_RSC_ADDRESS, 0, 0, 0}, |
1da177e4 | 144 | |
1da177e4 | 145 | /* |
0897831b | 146 | * These fields are contiguous in both the source and destination: |
50eca3eb BM |
147 | * Address Granularity |
148 | * Address Range Minimum | |
149 | * Address Range Maximum | |
150 | * Address Translation Offset | |
151 | * Address Length | |
1da177e4 | 152 | */ |
a45de93e | 153 | {ACPI_RSC_MOVE64, ACPI_RS_OFFSET(data.address64.address.granularity), |
0897831b BM |
154 | AML_OFFSET(address64.granularity), |
155 | 5}, | |
1da177e4 | 156 | |
0897831b | 157 | /* Optional resource_source (Index and String) */ |
1da177e4 | 158 | |
0897831b BM |
159 | {ACPI_RSC_SOURCE, ACPI_RS_OFFSET(data.address64.resource_source), |
160 | 0, | |
161 | sizeof(struct aml_resource_address64)} | |
162 | }; | |
1da177e4 | 163 | |
1da177e4 LT |
164 | /******************************************************************************* |
165 | * | |
0897831b | 166 | * acpi_rs_convert_ext_address64 - All Extended (64-bit) address resources |
1da177e4 LT |
167 | * |
168 | ******************************************************************************/ | |
169 | ||
0897831b BM |
170 | struct acpi_rsconvert_info acpi_rs_convert_ext_address64[5] = { |
171 | {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64, | |
172 | ACPI_RS_SIZE(struct acpi_resource_extended_address64), | |
173 | ACPI_RSC_TABLE_SIZE(acpi_rs_convert_ext_address64)}, | |
174 | ||
175 | {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64, | |
176 | sizeof(struct aml_resource_extended_address64), | |
177 | 0}, | |
1da177e4 | 178 | |
0897831b | 179 | /* Resource Type, General Flags, and Type-Specific Flags */ |
44f6c012 | 180 | |
0897831b | 181 | {ACPI_RSC_ADDRESS, 0, 0, 0}, |
1da177e4 | 182 | |
0897831b | 183 | /* Revision ID */ |
44f6c012 | 184 | |
ba494bee BM |
185 | {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.ext_address64.revision_ID), |
186 | AML_OFFSET(ext_address64.revision_ID), | |
0897831b | 187 | 1}, |
50eca3eb | 188 | /* |
0897831b | 189 | * These fields are contiguous in both the source and destination: |
50eca3eb BM |
190 | * Address Granularity |
191 | * Address Range Minimum | |
192 | * Address Range Maximum | |
193 | * Address Translation Offset | |
194 | * Address Length | |
0897831b | 195 | * Type-Specific Attribute |
50eca3eb | 196 | */ |
a45de93e LZ |
197 | {ACPI_RSC_MOVE64, |
198 | ACPI_RS_OFFSET(data.ext_address64.address.granularity), | |
0897831b BM |
199 | AML_OFFSET(ext_address64.granularity), |
200 | 6} | |
201 | }; | |
1da177e4 | 202 | |
1da177e4 LT |
203 | /******************************************************************************* |
204 | * | |
0897831b | 205 | * acpi_rs_convert_general_flags - Flags common to all address descriptors |
1da177e4 LT |
206 | * |
207 | ******************************************************************************/ | |
208 | ||
0897831b BM |
209 | static struct acpi_rsconvert_info acpi_rs_convert_general_flags[6] = { |
210 | {ACPI_RSC_FLAGINIT, 0, AML_OFFSET(address.flags), | |
211 | ACPI_RSC_TABLE_SIZE(acpi_rs_convert_general_flags)}, | |
44f6c012 | 212 | |
0897831b | 213 | /* Resource Type (Memory, Io, bus_number, etc.) */ |
1da177e4 | 214 | |
0897831b BM |
215 | {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.address.resource_type), |
216 | AML_OFFSET(address.resource_type), | |
217 | 1}, | |
1da177e4 | 218 | |
ba494bee | 219 | /* General flags - Consume, Decode, min_fixed, max_fixed */ |
44f6c012 | 220 | |
0897831b BM |
221 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.producer_consumer), |
222 | AML_OFFSET(address.flags), | |
223 | 0}, | |
1da177e4 | 224 | |
0897831b BM |
225 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.decode), |
226 | AML_OFFSET(address.flags), | |
227 | 1}, | |
1da177e4 | 228 | |
0897831b BM |
229 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.min_address_fixed), |
230 | AML_OFFSET(address.flags), | |
231 | 2}, | |
1da177e4 | 232 | |
0897831b BM |
233 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.max_address_fixed), |
234 | AML_OFFSET(address.flags), | |
235 | 3} | |
236 | }; | |
1da177e4 | 237 | |
50eca3eb BM |
238 | /******************************************************************************* |
239 | * | |
0897831b | 240 | * acpi_rs_convert_mem_flags - Flags common to Memory address descriptors |
50eca3eb BM |
241 | * |
242 | ******************************************************************************/ | |
1da177e4 | 243 | |
0897831b BM |
244 | static struct acpi_rsconvert_info acpi_rs_convert_mem_flags[5] = { |
245 | {ACPI_RSC_FLAGINIT, 0, AML_OFFSET(address.specific_flags), | |
246 | ACPI_RSC_TABLE_SIZE(acpi_rs_convert_mem_flags)}, | |
44f6c012 | 247 | |
0897831b | 248 | /* Memory-specific flags */ |
1da177e4 | 249 | |
0897831b BM |
250 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.info.mem.write_protect), |
251 | AML_OFFSET(address.specific_flags), | |
252 | 0}, | |
1da177e4 | 253 | |
0897831b BM |
254 | {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.address.info.mem.caching), |
255 | AML_OFFSET(address.specific_flags), | |
256 | 1}, | |
1da177e4 | 257 | |
0897831b BM |
258 | {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.address.info.mem.range_type), |
259 | AML_OFFSET(address.specific_flags), | |
260 | 3}, | |
261 | ||
262 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.info.mem.translation), | |
263 | AML_OFFSET(address.specific_flags), | |
264 | 5} | |
265 | }; | |
266 | ||
267 | /******************************************************************************* | |
268 | * | |
269 | * acpi_rs_convert_io_flags - Flags common to I/O address descriptors | |
270 | * | |
271 | ******************************************************************************/ | |
1da177e4 | 272 | |
0897831b BM |
273 | static struct acpi_rsconvert_info acpi_rs_convert_io_flags[4] = { |
274 | {ACPI_RSC_FLAGINIT, 0, AML_OFFSET(address.specific_flags), | |
275 | ACPI_RSC_TABLE_SIZE(acpi_rs_convert_io_flags)}, | |
1da177e4 | 276 | |
0897831b | 277 | /* I/O-specific flags */ |
1da177e4 | 278 | |
0897831b BM |
279 | {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.address.info.io.range_type), |
280 | AML_OFFSET(address.specific_flags), | |
281 | 0}, | |
1da177e4 | 282 | |
0897831b BM |
283 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.info.io.translation), |
284 | AML_OFFSET(address.specific_flags), | |
285 | 4}, | |
286 | ||
287 | {ACPI_RSC_1BITFLAG, | |
288 | ACPI_RS_OFFSET(data.address.info.io.translation_type), | |
289 | AML_OFFSET(address.specific_flags), | |
290 | 5} | |
291 | }; | |
1da177e4 | 292 | |
50eca3eb BM |
293 | /******************************************************************************* |
294 | * | |
0897831b | 295 | * FUNCTION: acpi_rs_get_address_common |
50eca3eb | 296 | * |
ba494bee BM |
297 | * PARAMETERS: resource - Pointer to the internal resource struct |
298 | * aml - Pointer to the AML resource descriptor | |
50eca3eb | 299 | * |
0897831b | 300 | * RETURN: TRUE if the resource_type field is OK, FALSE otherwise |
50eca3eb | 301 | * |
0897831b BM |
302 | * DESCRIPTION: Convert common flag fields from a raw AML resource descriptor |
303 | * to an internal resource descriptor | |
50eca3eb BM |
304 | * |
305 | ******************************************************************************/ | |
1da177e4 | 306 | |
0897831b BM |
307 | u8 |
308 | acpi_rs_get_address_common(struct acpi_resource *resource, | |
309 | union aml_resource *aml) | |
50eca3eb | 310 | { |
0897831b | 311 | ACPI_FUNCTION_ENTRY(); |
1da177e4 | 312 | |
0897831b | 313 | /* Validate the Resource Type */ |
1da177e4 | 314 | |
1fad8738 BM |
315 | if ((aml->address.resource_type > 2) && |
316 | (aml->address.resource_type < 0xC0)) { | |
0897831b | 317 | return (FALSE); |
1da177e4 LT |
318 | } |
319 | ||
0897831b | 320 | /* Get the Resource Type and General Flags */ |
44f6c012 | 321 | |
0897831b BM |
322 | (void)acpi_rs_convert_aml_to_resource(resource, aml, |
323 | acpi_rs_convert_general_flags); | |
324 | ||
325 | /* Get the Type-Specific Flags (Memory and I/O descriptors only) */ | |
1da177e4 | 326 | |
0897831b BM |
327 | if (resource->data.address.resource_type == ACPI_MEMORY_RANGE) { |
328 | (void)acpi_rs_convert_aml_to_resource(resource, aml, | |
329 | acpi_rs_convert_mem_flags); | |
330 | } else if (resource->data.address.resource_type == ACPI_IO_RANGE) { | |
331 | (void)acpi_rs_convert_aml_to_resource(resource, aml, | |
332 | acpi_rs_convert_io_flags); | |
333 | } else { | |
334 | /* Generic resource type, just grab the type_specific byte */ | |
44f6c012 | 335 | |
0897831b BM |
336 | resource->data.address.info.type_specific = |
337 | aml->address.specific_flags; | |
338 | } | |
339 | ||
340 | return (TRUE); | |
1da177e4 LT |
341 | } |
342 | ||
1da177e4 LT |
343 | /******************************************************************************* |
344 | * | |
0897831b | 345 | * FUNCTION: acpi_rs_set_address_common |
1da177e4 | 346 | * |
ba494bee BM |
347 | * PARAMETERS: aml - Pointer to the AML resource descriptor |
348 | * resource - Pointer to the internal resource struct | |
1da177e4 | 349 | * |
0897831b | 350 | * RETURN: None |
1da177e4 | 351 | * |
0897831b BM |
352 | * DESCRIPTION: Convert common flag fields from a resource descriptor to an |
353 | * AML descriptor | |
1da177e4 LT |
354 | * |
355 | ******************************************************************************/ | |
356 | ||
0897831b BM |
357 | void |
358 | acpi_rs_set_address_common(union aml_resource *aml, | |
359 | struct acpi_resource *resource) | |
1da177e4 | 360 | { |
0897831b | 361 | ACPI_FUNCTION_ENTRY(); |
44f6c012 | 362 | |
0897831b | 363 | /* Set the Resource Type and General Flags */ |
1da177e4 | 364 | |
0897831b BM |
365 | (void)acpi_rs_convert_resource_to_aml(resource, aml, |
366 | acpi_rs_convert_general_flags); | |
44f6c012 | 367 | |
0897831b | 368 | /* Set the Type-Specific Flags (Memory and I/O descriptors only) */ |
1da177e4 | 369 | |
0897831b BM |
370 | if (resource->data.address.resource_type == ACPI_MEMORY_RANGE) { |
371 | (void)acpi_rs_convert_resource_to_aml(resource, aml, | |
372 | acpi_rs_convert_mem_flags); | |
373 | } else if (resource->data.address.resource_type == ACPI_IO_RANGE) { | |
374 | (void)acpi_rs_convert_resource_to_aml(resource, aml, | |
375 | acpi_rs_convert_io_flags); | |
376 | } else { | |
377 | /* Generic resource type, just copy the type_specific byte */ | |
1da177e4 | 378 | |
0897831b BM |
379 | aml->address.specific_flags = |
380 | resource->data.address.info.type_specific; | |
381 | } | |
1da177e4 | 382 | } |