1 | /******************************************************************************* |
2 | * |
3 | * Module Name: rsaddr - Address resource descriptors (16/32/64) |
4 | * |
5 | ******************************************************************************/ |
6 | |
7 | /* |
8 | * Copyright (C) 2000 - 2016, Intel Corp. |
9 | * All rights reserved. |
10 | * |
11 | * Redistribution and use in source and binary forms, with or without |
12 | * modification, are permitted provided that the following conditions |
13 | * are met: |
14 | * 1. Redistributions of source code must retain the above copyright |
15 | * notice, this list of conditions, and the following disclaimer, |
16 | * without modification. |
17 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer |
18 | * substantially similar to the "NO WARRANTY" disclaimer below |
19 | * ("Disclaimer") and any redistribution must be conditioned upon |
20 | * including a substantially similar Disclaimer requirement for further |
21 | * binary redistribution. |
22 | * 3. Neither the names of the above-listed copyright holders nor the names |
23 | * of any contributors may be used to endorse or promote products derived |
24 | * from this software without specific prior written permission. |
25 | * |
26 | * Alternatively, this software may be distributed under the terms of the |
27 | * GNU General Public License ("GPL") version 2 as published by the Free |
28 | * Software Foundation. |
29 | * |
30 | * NO WARRANTY |
31 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
32 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
33 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR |
34 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
35 | * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
36 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
37 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
38 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
39 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
40 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
41 | * POSSIBILITY OF SUCH DAMAGES. |
42 | */ |
43 | |
44 | #include "acpi.h" |
45 | #include "accommon.h" |
46 | #include "acresrc.h" |
47 | |
48 | #define _COMPONENT ACPI_RESOURCES |
49 | ACPI_MODULE_NAME ("rsaddr" ) |
50 | |
51 | |
52 | /******************************************************************************* |
53 | * |
54 | * AcpiRsConvertAddress16 - All WORD (16-bit) address resources |
55 | * |
56 | ******************************************************************************/ |
57 | |
58 | ACPI_RSCONVERT_INFO AcpiRsConvertAddress16[5] = |
59 | { |
60 | {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_ADDRESS16, |
61 | ACPI_RS_SIZE (ACPI_RESOURCE_ADDRESS16), |
62 | ACPI_RSC_TABLE_SIZE (AcpiRsConvertAddress16)}, |
63 | |
64 | {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS16, |
65 | sizeof (AML_RESOURCE_ADDRESS16), |
66 | 0}, |
67 | |
68 | /* Resource Type, General Flags, and Type-Specific Flags */ |
69 | |
70 | {ACPI_RSC_ADDRESS, 0, 0, 0}, |
71 | |
72 | /* |
73 | * These fields are contiguous in both the source and destination: |
74 | * Address Granularity |
75 | * Address Range Minimum |
76 | * Address Range Maximum |
77 | * Address Translation Offset |
78 | * Address Length |
79 | */ |
80 | {ACPI_RSC_MOVE16, ACPI_RS_OFFSET (Data.Address16.Address.Granularity), |
81 | AML_OFFSET (Address16.Granularity), |
82 | 5}, |
83 | |
84 | /* Optional ResourceSource (Index and String) */ |
85 | |
86 | {ACPI_RSC_SOURCE, ACPI_RS_OFFSET (Data.Address16.ResourceSource), |
87 | 0, |
88 | sizeof (AML_RESOURCE_ADDRESS16)} |
89 | }; |
90 | |
91 | |
92 | /******************************************************************************* |
93 | * |
94 | * AcpiRsConvertAddress32 - All DWORD (32-bit) address resources |
95 | * |
96 | ******************************************************************************/ |
97 | |
98 | ACPI_RSCONVERT_INFO AcpiRsConvertAddress32[5] = |
99 | { |
100 | {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_ADDRESS32, |
101 | ACPI_RS_SIZE (ACPI_RESOURCE_ADDRESS32), |
102 | ACPI_RSC_TABLE_SIZE (AcpiRsConvertAddress32)}, |
103 | |
104 | {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS32, |
105 | sizeof (AML_RESOURCE_ADDRESS32), |
106 | 0}, |
107 | |
108 | /* Resource Type, General Flags, and Type-Specific Flags */ |
109 | |
110 | {ACPI_RSC_ADDRESS, 0, 0, 0}, |
111 | |
112 | /* |
113 | * These fields are contiguous in both the source and destination: |
114 | * Address Granularity |
115 | * Address Range Minimum |
116 | * Address Range Maximum |
117 | * Address Translation Offset |
118 | * Address Length |
119 | */ |
120 | {ACPI_RSC_MOVE32, ACPI_RS_OFFSET (Data.Address32.Address.Granularity), |
121 | AML_OFFSET (Address32.Granularity), |
122 | 5}, |
123 | |
124 | /* Optional ResourceSource (Index and String) */ |
125 | |
126 | {ACPI_RSC_SOURCE, ACPI_RS_OFFSET (Data.Address32.ResourceSource), |
127 | 0, |
128 | sizeof (AML_RESOURCE_ADDRESS32)} |
129 | }; |
130 | |
131 | |
132 | /******************************************************************************* |
133 | * |
134 | * AcpiRsConvertAddress64 - All QWORD (64-bit) address resources |
135 | * |
136 | ******************************************************************************/ |
137 | |
138 | ACPI_RSCONVERT_INFO AcpiRsConvertAddress64[5] = |
139 | { |
140 | {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_ADDRESS64, |
141 | ACPI_RS_SIZE (ACPI_RESOURCE_ADDRESS64), |
142 | ACPI_RSC_TABLE_SIZE (AcpiRsConvertAddress64)}, |
143 | |
144 | {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS64, |
145 | sizeof (AML_RESOURCE_ADDRESS64), |
146 | 0}, |
147 | |
148 | /* Resource Type, General Flags, and Type-Specific Flags */ |
149 | |
150 | {ACPI_RSC_ADDRESS, 0, 0, 0}, |
151 | |
152 | /* |
153 | * These fields are contiguous in both the source and destination: |
154 | * Address Granularity |
155 | * Address Range Minimum |
156 | * Address Range Maximum |
157 | * Address Translation Offset |
158 | * Address Length |
159 | */ |
160 | {ACPI_RSC_MOVE64, ACPI_RS_OFFSET (Data.Address64.Address.Granularity), |
161 | AML_OFFSET (Address64.Granularity), |
162 | 5}, |
163 | |
164 | /* Optional ResourceSource (Index and String) */ |
165 | |
166 | {ACPI_RSC_SOURCE, ACPI_RS_OFFSET (Data.Address64.ResourceSource), |
167 | 0, |
168 | sizeof (AML_RESOURCE_ADDRESS64)} |
169 | }; |
170 | |
171 | |
172 | /******************************************************************************* |
173 | * |
174 | * AcpiRsConvertExtAddress64 - All Extended (64-bit) address resources |
175 | * |
176 | ******************************************************************************/ |
177 | |
178 | ACPI_RSCONVERT_INFO AcpiRsConvertExtAddress64[5] = |
179 | { |
180 | {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64, |
181 | ACPI_RS_SIZE (ACPI_RESOURCE_EXTENDED_ADDRESS64), |
182 | ACPI_RSC_TABLE_SIZE (AcpiRsConvertExtAddress64)}, |
183 | |
184 | {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64, |
185 | sizeof (AML_RESOURCE_EXTENDED_ADDRESS64), |
186 | 0}, |
187 | |
188 | /* Resource Type, General Flags, and Type-Specific Flags */ |
189 | |
190 | {ACPI_RSC_ADDRESS, 0, 0, 0}, |
191 | |
192 | /* Revision ID */ |
193 | |
194 | {ACPI_RSC_MOVE8, ACPI_RS_OFFSET (Data.ExtAddress64.RevisionID), |
195 | AML_OFFSET (ExtAddress64.RevisionID), |
196 | 1}, |
197 | /* |
198 | * These fields are contiguous in both the source and destination: |
199 | * Address Granularity |
200 | * Address Range Minimum |
201 | * Address Range Maximum |
202 | * Address Translation Offset |
203 | * Address Length |
204 | * Type-Specific Attribute |
205 | */ |
206 | {ACPI_RSC_MOVE64, ACPI_RS_OFFSET (Data.ExtAddress64.Address.Granularity), |
207 | AML_OFFSET (ExtAddress64.Granularity), |
208 | 6} |
209 | }; |
210 | |
211 | |
212 | /******************************************************************************* |
213 | * |
214 | * AcpiRsConvertGeneralFlags - Flags common to all address descriptors |
215 | * |
216 | ******************************************************************************/ |
217 | |
218 | static ACPI_RSCONVERT_INFO AcpiRsConvertGeneralFlags[6] = |
219 | { |
220 | {ACPI_RSC_FLAGINIT, 0, AML_OFFSET (Address.Flags), |
221 | ACPI_RSC_TABLE_SIZE (AcpiRsConvertGeneralFlags)}, |
222 | |
223 | /* Resource Type (Memory, Io, BusNumber, etc.) */ |
224 | |
225 | {ACPI_RSC_MOVE8, ACPI_RS_OFFSET (Data.Address.ResourceType), |
226 | AML_OFFSET (Address.ResourceType), |
227 | 1}, |
228 | |
229 | /* General Flags - Consume, Decode, MinFixed, MaxFixed */ |
230 | |
231 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.ProducerConsumer), |
232 | AML_OFFSET (Address.Flags), |
233 | 0}, |
234 | |
235 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.Decode), |
236 | AML_OFFSET (Address.Flags), |
237 | 1}, |
238 | |
239 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.MinAddressFixed), |
240 | AML_OFFSET (Address.Flags), |
241 | 2}, |
242 | |
243 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.MaxAddressFixed), |
244 | AML_OFFSET (Address.Flags), |
245 | 3} |
246 | }; |
247 | |
248 | |
249 | /******************************************************************************* |
250 | * |
251 | * AcpiRsConvertMemFlags - Flags common to Memory address descriptors |
252 | * |
253 | ******************************************************************************/ |
254 | |
255 | static ACPI_RSCONVERT_INFO AcpiRsConvertMemFlags[5] = |
256 | { |
257 | {ACPI_RSC_FLAGINIT, 0, AML_OFFSET (Address.SpecificFlags), |
258 | ACPI_RSC_TABLE_SIZE (AcpiRsConvertMemFlags)}, |
259 | |
260 | /* Memory-specific flags */ |
261 | |
262 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.Info.Mem.WriteProtect), |
263 | AML_OFFSET (Address.SpecificFlags), |
264 | 0}, |
265 | |
266 | {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Address.Info.Mem.Caching), |
267 | AML_OFFSET (Address.SpecificFlags), |
268 | 1}, |
269 | |
270 | {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Address.Info.Mem.RangeType), |
271 | AML_OFFSET (Address.SpecificFlags), |
272 | 3}, |
273 | |
274 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.Info.Mem.Translation), |
275 | AML_OFFSET (Address.SpecificFlags), |
276 | 5} |
277 | }; |
278 | |
279 | |
280 | /******************************************************************************* |
281 | * |
282 | * AcpiRsConvertIoFlags - Flags common to I/O address descriptors |
283 | * |
284 | ******************************************************************************/ |
285 | |
286 | static ACPI_RSCONVERT_INFO AcpiRsConvertIoFlags[4] = |
287 | { |
288 | {ACPI_RSC_FLAGINIT, 0, AML_OFFSET (Address.SpecificFlags), |
289 | ACPI_RSC_TABLE_SIZE (AcpiRsConvertIoFlags)}, |
290 | |
291 | /* I/O-specific flags */ |
292 | |
293 | {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Address.Info.Io.RangeType), |
294 | AML_OFFSET (Address.SpecificFlags), |
295 | 0}, |
296 | |
297 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.Info.Io.Translation), |
298 | AML_OFFSET (Address.SpecificFlags), |
299 | 4}, |
300 | |
301 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.Info.Io.TranslationType), |
302 | AML_OFFSET (Address.SpecificFlags), |
303 | 5} |
304 | }; |
305 | |
306 | |
307 | /******************************************************************************* |
308 | * |
309 | * FUNCTION: AcpiRsGetAddressCommon |
310 | * |
311 | * PARAMETERS: Resource - Pointer to the internal resource struct |
312 | * Aml - Pointer to the AML resource descriptor |
313 | * |
314 | * RETURN: TRUE if the ResourceType field is OK, FALSE otherwise |
315 | * |
316 | * DESCRIPTION: Convert common flag fields from a raw AML resource descriptor |
317 | * to an internal resource descriptor |
318 | * |
319 | ******************************************************************************/ |
320 | |
321 | BOOLEAN |
322 | AcpiRsGetAddressCommon ( |
323 | ACPI_RESOURCE *Resource, |
324 | AML_RESOURCE *Aml) |
325 | { |
326 | ACPI_FUNCTION_ENTRY (); |
327 | |
328 | |
329 | /* Validate the Resource Type */ |
330 | |
331 | if ((Aml->Address.ResourceType > 2) && |
332 | (Aml->Address.ResourceType < 0xC0)) |
333 | { |
334 | return (FALSE); |
335 | } |
336 | |
337 | /* Get the Resource Type and General Flags */ |
338 | |
339 | (void) AcpiRsConvertAmlToResource ( |
340 | Resource, Aml, AcpiRsConvertGeneralFlags); |
341 | |
342 | /* Get the Type-Specific Flags (Memory and I/O descriptors only) */ |
343 | |
344 | if (Resource->Data.Address.ResourceType == ACPI_MEMORY_RANGE) |
345 | { |
346 | (void) AcpiRsConvertAmlToResource ( |
347 | Resource, Aml, AcpiRsConvertMemFlags); |
348 | } |
349 | else if (Resource->Data.Address.ResourceType == ACPI_IO_RANGE) |
350 | { |
351 | (void) AcpiRsConvertAmlToResource ( |
352 | Resource, Aml, AcpiRsConvertIoFlags); |
353 | } |
354 | else |
355 | { |
356 | /* Generic resource type, just grab the TypeSpecific byte */ |
357 | |
358 | Resource->Data.Address.Info.TypeSpecific = |
359 | Aml->Address.SpecificFlags; |
360 | } |
361 | |
362 | return (TRUE); |
363 | } |
364 | |
365 | |
366 | /******************************************************************************* |
367 | * |
368 | * FUNCTION: AcpiRsSetAddressCommon |
369 | * |
370 | * PARAMETERS: Aml - Pointer to the AML resource descriptor |
371 | * Resource - Pointer to the internal resource struct |
372 | * |
373 | * RETURN: None |
374 | * |
375 | * DESCRIPTION: Convert common flag fields from a resource descriptor to an |
376 | * AML descriptor |
377 | * |
378 | ******************************************************************************/ |
379 | |
380 | void |
381 | ( |
382 | AML_RESOURCE *Aml, |
383 | ACPI_RESOURCE *Resource) |
384 | { |
385 | ACPI_FUNCTION_ENTRY (); |
386 | |
387 | |
388 | /* Set the Resource Type and General Flags */ |
389 | |
390 | (void) AcpiRsConvertResourceToAml ( |
391 | Resource, Aml, AcpiRsConvertGeneralFlags); |
392 | |
393 | /* Set the Type-Specific Flags (Memory and I/O descriptors only) */ |
394 | |
395 | if (Resource->Data.Address.ResourceType == ACPI_MEMORY_RANGE) |
396 | { |
397 | (void) AcpiRsConvertResourceToAml ( |
398 | Resource, Aml, AcpiRsConvertMemFlags); |
399 | } |
400 | else if (Resource->Data.Address.ResourceType == ACPI_IO_RANGE) |
401 | { |
402 | (void) AcpiRsConvertResourceToAml ( |
403 | Resource, Aml, AcpiRsConvertIoFlags); |
404 | } |
405 | else |
406 | { |
407 | /* Generic resource type, just copy the TypeSpecific byte */ |
408 | |
409 | Aml->Address.SpecificFlags = |
410 | Resource->Data.Address.Info.TypeSpecific; |
411 | } |
412 | } |
413 | |