1 /*******************************************************************************
2  *
3  * Module Name: rsaddr - Address resource descriptors (16/32/64)
4  *
5  ******************************************************************************/
6 
7 /******************************************************************************
8  *
9  * 1. Copyright Notice
10  *
11  * Some or all of this work - Copyright (c) 1999 - 2018, Intel Corp.
12  * All rights reserved.
13  *
14  * 2. License
15  *
16  * 2.1. This is your license from Intel Corp. under its intellectual property
17  * rights. You may have additional license terms from the party that provided
18  * you this software, covering your right to use that party's intellectual
19  * property rights.
20  *
21  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22  * copy of the source code appearing in this file ("Covered Code") an
23  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24  * base code distributed originally by Intel ("Original Intel Code") to copy,
25  * make derivatives, distribute, use and display any portion of the Covered
26  * Code in any form, with the right to sublicense such rights; and
27  *
28  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29  * license (with the right to sublicense), under only those claims of Intel
30  * patents that are infringed by the Original Intel Code, to make, use, sell,
31  * offer to sell, and import the Covered Code and derivative works thereof
32  * solely to the minimum extent necessary to exercise the above copyright
33  * license, and in no event shall the patent license extend to any additions
34  * to or modifications of the Original Intel Code. No other license or right
35  * is granted directly or by implication, estoppel or otherwise;
36  *
37  * The above copyright and patent license is granted only if the following
38  * conditions are met:
39  *
40  * 3. Conditions
41  *
42  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43  * Redistribution of source code of any substantial portion of the Covered
44  * Code or modification with rights to further distribute source must include
45  * the above Copyright Notice, the above License, this list of Conditions,
46  * and the following Disclaimer and Export Compliance provision. In addition,
47  * Licensee must cause all Covered Code to which Licensee contributes to
48  * contain a file documenting the changes Licensee made to create that Covered
49  * Code and the date of any change. Licensee must include in that file the
50  * documentation of any changes made by any predecessor Licensee. Licensee
51  * must include a prominent statement that the modification is derived,
52  * directly or indirectly, from Original Intel Code.
53  *
54  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55  * Redistribution of source code of any substantial portion of the Covered
56  * Code or modification without rights to further distribute source must
57  * include the following Disclaimer and Export Compliance provision in the
58  * documentation and/or other materials provided with distribution. In
59  * addition, Licensee may not authorize further sublicense of source of any
60  * portion of the Covered Code, and must include terms to the effect that the
61  * license from Licensee to its licensee is limited to the intellectual
62  * property embodied in the software Licensee provides to its licensee, and
63  * not to intellectual property embodied in modifications its licensee may
64  * make.
65  *
66  * 3.3. Redistribution of Executable. Redistribution in executable form of any
67  * substantial portion of the Covered Code or modification must reproduce the
68  * above Copyright Notice, and the following Disclaimer and Export Compliance
69  * provision in the documentation and/or other materials provided with the
70  * distribution.
71  *
72  * 3.4. Intel retains all right, title, and interest in and to the Original
73  * Intel Code.
74  *
75  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76  * Intel shall be used in advertising or otherwise to promote the sale, use or
77  * other dealings in products derived from or relating to the Covered Code
78  * without prior written authorization from Intel.
79  *
80  * 4. Disclaimer and Export Compliance
81  *
82  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83  * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85  * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86  * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
88  * PARTICULAR PURPOSE.
89  *
90  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
97  * LIMITED REMEDY.
98  *
99  * 4.3. Licensee shall not export, either directly or indirectly, any of this
100  * software or system incorporating such software without first obtaining any
101  * required license or other approval from the U. S. Department of Commerce or
102  * any other agency or department of the United States Government. In the
103  * event Licensee exports any such software from the United States or
104  * re-exports any such software from a foreign destination, Licensee shall
105  * ensure that the distribution and export/re-export of the software is in
106  * compliance with all laws, regulations, orders, or other restrictions of the
107  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108  * any of its subsidiaries will export/re-export any technical data, process,
109  * software, or service, directly or indirectly, to any country for which the
110  * United States government or any agency thereof requires an export license,
111  * other governmental approval, or letter of assurance, without first obtaining
112  * such license, approval or letter.
113  *
114  *****************************************************************************
115  *
116  * Alternatively, you may choose to be licensed under the terms of the
117  * following license:
118  *
119  * Redistribution and use in source and binary forms, with or without
120  * modification, are permitted provided that the following conditions
121  * are met:
122  * 1. Redistributions of source code must retain the above copyright
123  *    notice, this list of conditions, and the following disclaimer,
124  *    without modification.
125  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
126  *    substantially similar to the "NO WARRANTY" disclaimer below
127  *    ("Disclaimer") and any redistribution must be conditioned upon
128  *    including a substantially similar Disclaimer requirement for further
129  *    binary redistribution.
130  * 3. Neither the names of the above-listed copyright holders nor the names
131  *    of any contributors may be used to endorse or promote products derived
132  *    from this software without specific prior written permission.
133  *
134  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
145  *
146  * Alternatively, you may choose to be licensed under the terms of the
147  * GNU General Public License ("GPL") version 2 as published by the Free
148  * Software Foundation.
149  *
150  *****************************************************************************/
151 
152 #include "acpi.h"
153 #include "accommon.h"
154 #include "acresrc.h"
155 
156 #define _COMPONENT          ACPI_RESOURCES
157         ACPI_MODULE_NAME    ("rsaddr")
158 
159 
160 /*******************************************************************************
161  *
162  * AcpiRsConvertAddress16 - All WORD (16-bit) address resources
163  *
164  ******************************************************************************/
165 
166 ACPI_RSCONVERT_INFO     AcpiRsConvertAddress16[5] =
167 {
168     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_ADDRESS16,
169                         ACPI_RS_SIZE (ACPI_RESOURCE_ADDRESS16),
170                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertAddress16)},
171 
172     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_ADDRESS16,
173                         sizeof (AML_RESOURCE_ADDRESS16),
174                         0},
175 
176     /* Resource Type, General Flags, and Type-Specific Flags */
177 
178     {ACPI_RSC_ADDRESS,  0, 0, 0},
179 
180     /*
181      * These fields are contiguous in both the source and destination:
182      * Address Granularity
183      * Address Range Minimum
184      * Address Range Maximum
185      * Address Translation Offset
186      * Address Length
187      */
188     {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.Address16.Address.Granularity),
189                         AML_OFFSET (Address16.Granularity),
190                         5},
191 
192     /* Optional ResourceSource (Index and String) */
193 
194     {ACPI_RSC_SOURCE,   ACPI_RS_OFFSET (Data.Address16.ResourceSource),
195                         0,
196                         sizeof (AML_RESOURCE_ADDRESS16)}
197 };
198 
199 
200 /*******************************************************************************
201  *
202  * AcpiRsConvertAddress32 - All DWORD (32-bit) address resources
203  *
204  ******************************************************************************/
205 
206 ACPI_RSCONVERT_INFO     AcpiRsConvertAddress32[5] =
207 {
208     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_ADDRESS32,
209                         ACPI_RS_SIZE (ACPI_RESOURCE_ADDRESS32),
210                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertAddress32)},
211 
212     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_ADDRESS32,
213                         sizeof (AML_RESOURCE_ADDRESS32),
214                         0},
215 
216     /* Resource Type, General Flags, and Type-Specific Flags */
217 
218     {ACPI_RSC_ADDRESS,  0, 0, 0},
219 
220     /*
221      * These fields are contiguous in both the source and destination:
222      * Address Granularity
223      * Address Range Minimum
224      * Address Range Maximum
225      * Address Translation Offset
226      * Address Length
227      */
228     {ACPI_RSC_MOVE32,   ACPI_RS_OFFSET (Data.Address32.Address.Granularity),
229                         AML_OFFSET (Address32.Granularity),
230                         5},
231 
232     /* Optional ResourceSource (Index and String) */
233 
234     {ACPI_RSC_SOURCE,   ACPI_RS_OFFSET (Data.Address32.ResourceSource),
235                         0,
236                         sizeof (AML_RESOURCE_ADDRESS32)}
237 };
238 
239 
240 /*******************************************************************************
241  *
242  * AcpiRsConvertAddress64 - All QWORD (64-bit) address resources
243  *
244  ******************************************************************************/
245 
246 ACPI_RSCONVERT_INFO     AcpiRsConvertAddress64[5] =
247 {
248     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_ADDRESS64,
249                         ACPI_RS_SIZE (ACPI_RESOURCE_ADDRESS64),
250                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertAddress64)},
251 
252     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_ADDRESS64,
253                         sizeof (AML_RESOURCE_ADDRESS64),
254                         0},
255 
256     /* Resource Type, General Flags, and Type-Specific Flags */
257 
258     {ACPI_RSC_ADDRESS,  0, 0, 0},
259 
260     /*
261      * These fields are contiguous in both the source and destination:
262      * Address Granularity
263      * Address Range Minimum
264      * Address Range Maximum
265      * Address Translation Offset
266      * Address Length
267      */
268     {ACPI_RSC_MOVE64,   ACPI_RS_OFFSET (Data.Address64.Address.Granularity),
269                         AML_OFFSET (Address64.Granularity),
270                         5},
271 
272     /* Optional ResourceSource (Index and String) */
273 
274     {ACPI_RSC_SOURCE,   ACPI_RS_OFFSET (Data.Address64.ResourceSource),
275                         0,
276                         sizeof (AML_RESOURCE_ADDRESS64)}
277 };
278 
279 
280 /*******************************************************************************
281  *
282  * AcpiRsConvertExtAddress64 - All Extended (64-bit) address resources
283  *
284  ******************************************************************************/
285 
286 ACPI_RSCONVERT_INFO     AcpiRsConvertExtAddress64[5] =
287 {
288     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64,
289                         ACPI_RS_SIZE (ACPI_RESOURCE_EXTENDED_ADDRESS64),
290                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertExtAddress64)},
291 
292     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64,
293                         sizeof (AML_RESOURCE_EXTENDED_ADDRESS64),
294                         0},
295 
296     /* Resource Type, General Flags, and Type-Specific Flags */
297 
298     {ACPI_RSC_ADDRESS,  0, 0, 0},
299 
300     /* Revision ID */
301 
302     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.ExtAddress64.RevisionID),
303                         AML_OFFSET (ExtAddress64.RevisionID),
304                         1},
305     /*
306      * These fields are contiguous in both the source and destination:
307      * Address Granularity
308      * Address Range Minimum
309      * Address Range Maximum
310      * Address Translation Offset
311      * Address Length
312      * Type-Specific Attribute
313      */
314     {ACPI_RSC_MOVE64,   ACPI_RS_OFFSET (Data.ExtAddress64.Address.Granularity),
315                         AML_OFFSET (ExtAddress64.Granularity),
316                         6}
317 };
318 
319 
320 /*******************************************************************************
321  *
322  * AcpiRsConvertGeneralFlags - Flags common to all address descriptors
323  *
324  ******************************************************************************/
325 
326 static ACPI_RSCONVERT_INFO  AcpiRsConvertGeneralFlags[6] =
327 {
328     {ACPI_RSC_FLAGINIT, 0, AML_OFFSET (Address.Flags),
329                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertGeneralFlags)},
330 
331     /* Resource Type (Memory, Io, BusNumber, etc.) */
332 
333     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.Address.ResourceType),
334                         AML_OFFSET (Address.ResourceType),
335                         1},
336 
337     /* General Flags - Consume, Decode, MinFixed, MaxFixed */
338 
339     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.ProducerConsumer),
340                         AML_OFFSET (Address.Flags),
341                         0},
342 
343     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.Decode),
344                         AML_OFFSET (Address.Flags),
345                         1},
346 
347     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.MinAddressFixed),
348                         AML_OFFSET (Address.Flags),
349                         2},
350 
351     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.MaxAddressFixed),
352                         AML_OFFSET (Address.Flags),
353                         3}
354 };
355 
356 
357 /*******************************************************************************
358  *
359  * AcpiRsConvertMemFlags - Flags common to Memory address descriptors
360  *
361  ******************************************************************************/
362 
363 static ACPI_RSCONVERT_INFO  AcpiRsConvertMemFlags[5] =
364 {
365     {ACPI_RSC_FLAGINIT, 0, AML_OFFSET (Address.SpecificFlags),
366                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertMemFlags)},
367 
368     /* Memory-specific flags */
369 
370     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.Info.Mem.WriteProtect),
371                         AML_OFFSET (Address.SpecificFlags),
372                         0},
373 
374     {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Address.Info.Mem.Caching),
375                         AML_OFFSET (Address.SpecificFlags),
376                         1},
377 
378     {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Address.Info.Mem.RangeType),
379                         AML_OFFSET (Address.SpecificFlags),
380                         3},
381 
382     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.Info.Mem.Translation),
383                         AML_OFFSET (Address.SpecificFlags),
384                         5}
385 };
386 
387 
388 /*******************************************************************************
389  *
390  * AcpiRsConvertIoFlags - Flags common to I/O address descriptors
391  *
392  ******************************************************************************/
393 
394 static ACPI_RSCONVERT_INFO  AcpiRsConvertIoFlags[4] =
395 {
396     {ACPI_RSC_FLAGINIT, 0, AML_OFFSET (Address.SpecificFlags),
397                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertIoFlags)},
398 
399     /* I/O-specific flags */
400 
401     {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Address.Info.Io.RangeType),
402                         AML_OFFSET (Address.SpecificFlags),
403                         0},
404 
405     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.Info.Io.Translation),
406                         AML_OFFSET (Address.SpecificFlags),
407                         4},
408 
409     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.Info.Io.TranslationType),
410                         AML_OFFSET (Address.SpecificFlags),
411                         5}
412 };
413 
414 
415 /*******************************************************************************
416  *
417  * FUNCTION:    AcpiRsGetAddressCommon
418  *
419  * PARAMETERS:  Resource            - Pointer to the internal resource struct
420  *              Aml                 - Pointer to the AML resource descriptor
421  *
422  * RETURN:      TRUE if the ResourceType field is OK, FALSE otherwise
423  *
424  * DESCRIPTION: Convert common flag fields from a raw AML resource descriptor
425  *              to an internal resource descriptor
426  *
427  ******************************************************************************/
428 
429 BOOLEAN
AcpiRsGetAddressCommon(ACPI_RESOURCE * Resource,AML_RESOURCE * Aml)430 AcpiRsGetAddressCommon (
431     ACPI_RESOURCE           *Resource,
432     AML_RESOURCE            *Aml)
433 {
434     ACPI_FUNCTION_ENTRY ();
435 
436 
437     /* Validate the Resource Type */
438 
439     if ((Aml->Address.ResourceType > 2) &&
440         (Aml->Address.ResourceType < 0xC0))
441     {
442         return (FALSE);
443     }
444 
445     /* Get the Resource Type and General Flags */
446 
447     (void) AcpiRsConvertAmlToResource (
448         Resource, Aml, AcpiRsConvertGeneralFlags);
449 
450     /* Get the Type-Specific Flags (Memory and I/O descriptors only) */
451 
452     if (Resource->Data.Address.ResourceType == ACPI_MEMORY_RANGE)
453     {
454         (void) AcpiRsConvertAmlToResource (
455             Resource, Aml, AcpiRsConvertMemFlags);
456     }
457     else if (Resource->Data.Address.ResourceType == ACPI_IO_RANGE)
458     {
459         (void) AcpiRsConvertAmlToResource (
460             Resource, Aml, AcpiRsConvertIoFlags);
461     }
462     else
463     {
464         /* Generic resource type, just grab the TypeSpecific byte */
465 
466         Resource->Data.Address.Info.TypeSpecific =
467             Aml->Address.SpecificFlags;
468     }
469 
470     return (TRUE);
471 }
472 
473 
474 /*******************************************************************************
475  *
476  * FUNCTION:    AcpiRsSetAddressCommon
477  *
478  * PARAMETERS:  Aml                 - Pointer to the AML resource descriptor
479  *              Resource            - Pointer to the internal resource struct
480  *
481  * RETURN:      None
482  *
483  * DESCRIPTION: Convert common flag fields from a resource descriptor to an
484  *              AML descriptor
485  *
486  ******************************************************************************/
487 
488 void
AcpiRsSetAddressCommon(AML_RESOURCE * Aml,ACPI_RESOURCE * Resource)489 AcpiRsSetAddressCommon (
490     AML_RESOURCE            *Aml,
491     ACPI_RESOURCE           *Resource)
492 {
493     ACPI_FUNCTION_ENTRY ();
494 
495 
496     /* Set the Resource Type and General Flags */
497 
498     (void) AcpiRsConvertResourceToAml (
499         Resource, Aml, AcpiRsConvertGeneralFlags);
500 
501     /* Set the Type-Specific Flags (Memory and I/O descriptors only) */
502 
503     if (Resource->Data.Address.ResourceType == ACPI_MEMORY_RANGE)
504     {
505         (void) AcpiRsConvertResourceToAml (
506             Resource, Aml, AcpiRsConvertMemFlags);
507     }
508     else if (Resource->Data.Address.ResourceType == ACPI_IO_RANGE)
509     {
510         (void) AcpiRsConvertResourceToAml (
511             Resource, Aml, AcpiRsConvertIoFlags);
512     }
513     else
514     {
515         /* Generic resource type, just copy the TypeSpecific byte */
516 
517         Aml->Address.SpecificFlags =
518             Resource->Data.Address.Info.TypeSpecific;
519     }
520 }
521