1 /*******************************************************************************
2 *
3 * Module Name: rsaddr - Address resource descriptors (16/32/64)
4 *
5 ******************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2013, 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/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 * acpi_rs_convert_address16 - All WORD (16-bit) address resources
54 *
55 ******************************************************************************/
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)},
60
61 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS16,
62 sizeof(struct aml_resource_address16),
63 0},
64
65 /* Resource Type, General Flags, and Type-Specific Flags */
66
67 {ACPI_RSC_ADDRESS, 0, 0, 0},
68
69 /*
70 * These fields are contiguous in both the source and destination:
71 * Address Granularity
72 * Address Range Minimum
73 * Address Range Maximum
74 * Address Translation Offset
75 * Address Length
76 */
77 {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.address16.granularity),
78 AML_OFFSET(address16.granularity),
79 5},
80
81 /* Optional resource_source (Index and String) */
82
83 {ACPI_RSC_SOURCE, ACPI_RS_OFFSET(data.address16.resource_source),
84 0,
85 sizeof(struct aml_resource_address16)}
86 };
87
88 /*******************************************************************************
89 *
90 * acpi_rs_convert_address32 - All DWORD (32-bit) address resources
91 *
92 ******************************************************************************/
93
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)},
98
99 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS32,
100 sizeof(struct aml_resource_address32),
101 0},
102
103 /* Resource Type, General Flags, and Type-Specific Flags */
104
105 {ACPI_RSC_ADDRESS, 0, 0, 0},
106
107 /*
108 * These fields are contiguous in both the source and destination:
109 * Address Granularity
110 * Address Range Minimum
111 * Address Range Maximum
112 * Address Translation Offset
113 * Address Length
114 */
115 {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.address32.granularity),
116 AML_OFFSET(address32.granularity),
117 5},
118
119 /* Optional resource_source (Index and String) */
120
121 {ACPI_RSC_SOURCE, ACPI_RS_OFFSET(data.address32.resource_source),
122 0,
123 sizeof(struct aml_resource_address32)}
124 };
125
126 /*******************************************************************************
127 *
128 * acpi_rs_convert_address64 - All QWORD (64-bit) address resources
129 *
130 ******************************************************************************/
131
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)},
136
137 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS64,
138 sizeof(struct aml_resource_address64),
139 0},
140
141 /* Resource Type, General Flags, and Type-Specific Flags */
142
143 {ACPI_RSC_ADDRESS, 0, 0, 0},
144
145 /*
146 * These fields are contiguous in both the source and destination:
147 * Address Granularity
148 * Address Range Minimum
149 * Address Range Maximum
150 * Address Translation Offset
151 * Address Length
152 */
153 {ACPI_RSC_MOVE64, ACPI_RS_OFFSET(data.address64.granularity),
154 AML_OFFSET(address64.granularity),
155 5},
156
157 /* Optional resource_source (Index and String) */
158
159 {ACPI_RSC_SOURCE, ACPI_RS_OFFSET(data.address64.resource_source),
160 0,
161 sizeof(struct aml_resource_address64)}
162 };
163
164 /*******************************************************************************
165 *
166 * acpi_rs_convert_ext_address64 - All Extended (64-bit) address resources
167 *
168 ******************************************************************************/
169
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},
178
179 /* Resource Type, General Flags, and Type-Specific Flags */
180
181 {ACPI_RSC_ADDRESS, 0, 0, 0},
182
183 /* Revision ID */
184
185 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.ext_address64.revision_ID),
186 AML_OFFSET(ext_address64.revision_ID),
187 1},
188 /*
189 * These fields are contiguous in both the source and destination:
190 * Address Granularity
191 * Address Range Minimum
192 * Address Range Maximum
193 * Address Translation Offset
194 * Address Length
195 * Type-Specific Attribute
196 */
197 {ACPI_RSC_MOVE64, ACPI_RS_OFFSET(data.ext_address64.granularity),
198 AML_OFFSET(ext_address64.granularity),
199 6}
200 };
201
202 /*******************************************************************************
203 *
204 * acpi_rs_convert_general_flags - Flags common to all address descriptors
205 *
206 ******************************************************************************/
207
208 static struct acpi_rsconvert_info acpi_rs_convert_general_flags[6] = {
209 {ACPI_RSC_FLAGINIT, 0, AML_OFFSET(address.flags),
210 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_general_flags)},
211
212 /* Resource Type (Memory, Io, bus_number, etc.) */
213
214 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.address.resource_type),
215 AML_OFFSET(address.resource_type),
216 1},
217
218 /* General flags - Consume, Decode, min_fixed, max_fixed */
219
220 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.producer_consumer),
221 AML_OFFSET(address.flags),
222 0},
223
224 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.decode),
225 AML_OFFSET(address.flags),
226 1},
227
228 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.min_address_fixed),
229 AML_OFFSET(address.flags),
230 2},
231
232 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.max_address_fixed),
233 AML_OFFSET(address.flags),
234 3}
235 };
236
237 /*******************************************************************************
238 *
239 * acpi_rs_convert_mem_flags - Flags common to Memory address descriptors
240 *
241 ******************************************************************************/
242
243 static struct acpi_rsconvert_info acpi_rs_convert_mem_flags[5] = {
244 {ACPI_RSC_FLAGINIT, 0, AML_OFFSET(address.specific_flags),
245 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_mem_flags)},
246
247 /* Memory-specific flags */
248
249 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.info.mem.write_protect),
250 AML_OFFSET(address.specific_flags),
251 0},
252
253 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.address.info.mem.caching),
254 AML_OFFSET(address.specific_flags),
255 1},
256
257 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.address.info.mem.range_type),
258 AML_OFFSET(address.specific_flags),
259 3},
260
261 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.info.mem.translation),
262 AML_OFFSET(address.specific_flags),
263 5}
264 };
265
266 /*******************************************************************************
267 *
268 * acpi_rs_convert_io_flags - Flags common to I/O address descriptors
269 *
270 ******************************************************************************/
271
272 static struct acpi_rsconvert_info acpi_rs_convert_io_flags[4] = {
273 {ACPI_RSC_FLAGINIT, 0, AML_OFFSET(address.specific_flags),
274 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_io_flags)},
275
276 /* I/O-specific flags */
277
278 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.address.info.io.range_type),
279 AML_OFFSET(address.specific_flags),
280 0},
281
282 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.info.io.translation),
283 AML_OFFSET(address.specific_flags),
284 4},
285
286 {ACPI_RSC_1BITFLAG,
287 ACPI_RS_OFFSET(data.address.info.io.translation_type),
288 AML_OFFSET(address.specific_flags),
289 5}
290 };
291
292 /*******************************************************************************
293 *
294 * FUNCTION: acpi_rs_get_address_common
295 *
296 * PARAMETERS: resource - Pointer to the internal resource struct
297 * aml - Pointer to the AML resource descriptor
298 *
299 * RETURN: TRUE if the resource_type field is OK, FALSE otherwise
300 *
301 * DESCRIPTION: Convert common flag fields from a raw AML resource descriptor
302 * to an internal resource descriptor
303 *
304 ******************************************************************************/
305
306 u8
acpi_rs_get_address_common(struct acpi_resource * resource,union aml_resource * aml)307 acpi_rs_get_address_common(struct acpi_resource *resource,
308 union aml_resource *aml)
309 {
310 ACPI_FUNCTION_ENTRY();
311
312 /* Validate the Resource Type */
313
314 if ((aml->address.resource_type > 2)
315 && (aml->address.resource_type < 0xC0)) {
316 return (FALSE);
317 }
318
319 /* Get the Resource Type and General Flags */
320
321 (void)acpi_rs_convert_aml_to_resource(resource, aml,
322 acpi_rs_convert_general_flags);
323
324 /* Get the Type-Specific Flags (Memory and I/O descriptors only) */
325
326 if (resource->data.address.resource_type == ACPI_MEMORY_RANGE) {
327 (void)acpi_rs_convert_aml_to_resource(resource, aml,
328 acpi_rs_convert_mem_flags);
329 } else if (resource->data.address.resource_type == ACPI_IO_RANGE) {
330 (void)acpi_rs_convert_aml_to_resource(resource, aml,
331 acpi_rs_convert_io_flags);
332 } else {
333 /* Generic resource type, just grab the type_specific byte */
334
335 resource->data.address.info.type_specific =
336 aml->address.specific_flags;
337 }
338
339 return (TRUE);
340 }
341
342 /*******************************************************************************
343 *
344 * FUNCTION: acpi_rs_set_address_common
345 *
346 * PARAMETERS: aml - Pointer to the AML resource descriptor
347 * resource - Pointer to the internal resource struct
348 *
349 * RETURN: None
350 *
351 * DESCRIPTION: Convert common flag fields from a resource descriptor to an
352 * AML descriptor
353 *
354 ******************************************************************************/
355
356 void
acpi_rs_set_address_common(union aml_resource * aml,struct acpi_resource * resource)357 acpi_rs_set_address_common(union aml_resource *aml,
358 struct acpi_resource *resource)
359 {
360 ACPI_FUNCTION_ENTRY();
361
362 /* Set the Resource Type and General Flags */
363
364 (void)acpi_rs_convert_resource_to_aml(resource, aml,
365 acpi_rs_convert_general_flags);
366
367 /* Set the Type-Specific Flags (Memory and I/O descriptors only) */
368
369 if (resource->data.address.resource_type == ACPI_MEMORY_RANGE) {
370 (void)acpi_rs_convert_resource_to_aml(resource, aml,
371 acpi_rs_convert_mem_flags);
372 } else if (resource->data.address.resource_type == ACPI_IO_RANGE) {
373 (void)acpi_rs_convert_resource_to_aml(resource, aml,
374 acpi_rs_convert_io_flags);
375 } else {
376 /* Generic resource type, just copy the type_specific byte */
377
378 aml->address.specific_flags =
379 resource->data.address.info.type_specific;
380 }
381 }
382