10d02842fSSascha Wildner /*******************************************************************************
20d02842fSSascha Wildner *
30d02842fSSascha Wildner * Module Name: rscalc - Calculate stream and list lengths
40d02842fSSascha Wildner *
50d02842fSSascha Wildner ******************************************************************************/
60d02842fSSascha Wildner
7b4315fc7SSascha Wildner /******************************************************************************
8b4315fc7SSascha Wildner *
9b4315fc7SSascha Wildner * 1. Copyright Notice
10b4315fc7SSascha Wildner *
11383048acSSascha Wildner * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
120d02842fSSascha Wildner * All rights reserved.
130d02842fSSascha Wildner *
14b4315fc7SSascha Wildner * 2. License
15b4315fc7SSascha Wildner *
16b4315fc7SSascha Wildner * 2.1. This is your license from Intel Corp. under its intellectual property
17b4315fc7SSascha Wildner * rights. You may have additional license terms from the party that provided
18b4315fc7SSascha Wildner * you this software, covering your right to use that party's intellectual
19b4315fc7SSascha Wildner * property rights.
20b4315fc7SSascha Wildner *
21b4315fc7SSascha Wildner * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22b4315fc7SSascha Wildner * copy of the source code appearing in this file ("Covered Code") an
23b4315fc7SSascha Wildner * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24b4315fc7SSascha Wildner * base code distributed originally by Intel ("Original Intel Code") to copy,
25b4315fc7SSascha Wildner * make derivatives, distribute, use and display any portion of the Covered
26b4315fc7SSascha Wildner * Code in any form, with the right to sublicense such rights; and
27b4315fc7SSascha Wildner *
28b4315fc7SSascha Wildner * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29b4315fc7SSascha Wildner * license (with the right to sublicense), under only those claims of Intel
30b4315fc7SSascha Wildner * patents that are infringed by the Original Intel Code, to make, use, sell,
31b4315fc7SSascha Wildner * offer to sell, and import the Covered Code and derivative works thereof
32b4315fc7SSascha Wildner * solely to the minimum extent necessary to exercise the above copyright
33b4315fc7SSascha Wildner * license, and in no event shall the patent license extend to any additions
34b4315fc7SSascha Wildner * to or modifications of the Original Intel Code. No other license or right
35b4315fc7SSascha Wildner * is granted directly or by implication, estoppel or otherwise;
36b4315fc7SSascha Wildner *
37b4315fc7SSascha Wildner * The above copyright and patent license is granted only if the following
38b4315fc7SSascha Wildner * conditions are met:
39b4315fc7SSascha Wildner *
40b4315fc7SSascha Wildner * 3. Conditions
41b4315fc7SSascha Wildner *
42b4315fc7SSascha Wildner * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43b4315fc7SSascha Wildner * Redistribution of source code of any substantial portion of the Covered
44b4315fc7SSascha Wildner * Code or modification with rights to further distribute source must include
45b4315fc7SSascha Wildner * the above Copyright Notice, the above License, this list of Conditions,
46b4315fc7SSascha Wildner * and the following Disclaimer and Export Compliance provision. In addition,
47b4315fc7SSascha Wildner * Licensee must cause all Covered Code to which Licensee contributes to
48b4315fc7SSascha Wildner * contain a file documenting the changes Licensee made to create that Covered
49b4315fc7SSascha Wildner * Code and the date of any change. Licensee must include in that file the
50b4315fc7SSascha Wildner * documentation of any changes made by any predecessor Licensee. Licensee
51b4315fc7SSascha Wildner * must include a prominent statement that the modification is derived,
52b4315fc7SSascha Wildner * directly or indirectly, from Original Intel Code.
53b4315fc7SSascha Wildner *
54b4315fc7SSascha Wildner * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55b4315fc7SSascha Wildner * Redistribution of source code of any substantial portion of the Covered
56b4315fc7SSascha Wildner * Code or modification without rights to further distribute source must
57b4315fc7SSascha Wildner * include the following Disclaimer and Export Compliance provision in the
58b4315fc7SSascha Wildner * documentation and/or other materials provided with distribution. In
59b4315fc7SSascha Wildner * addition, Licensee may not authorize further sublicense of source of any
60b4315fc7SSascha Wildner * portion of the Covered Code, and must include terms to the effect that the
61b4315fc7SSascha Wildner * license from Licensee to its licensee is limited to the intellectual
62b4315fc7SSascha Wildner * property embodied in the software Licensee provides to its licensee, and
63b4315fc7SSascha Wildner * not to intellectual property embodied in modifications its licensee may
64b4315fc7SSascha Wildner * make.
65b4315fc7SSascha Wildner *
66b4315fc7SSascha Wildner * 3.3. Redistribution of Executable. Redistribution in executable form of any
67b4315fc7SSascha Wildner * substantial portion of the Covered Code or modification must reproduce the
68b4315fc7SSascha Wildner * above Copyright Notice, and the following Disclaimer and Export Compliance
69b4315fc7SSascha Wildner * provision in the documentation and/or other materials provided with the
70b4315fc7SSascha Wildner * distribution.
71b4315fc7SSascha Wildner *
72b4315fc7SSascha Wildner * 3.4. Intel retains all right, title, and interest in and to the Original
73b4315fc7SSascha Wildner * Intel Code.
74b4315fc7SSascha Wildner *
75b4315fc7SSascha Wildner * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76b4315fc7SSascha Wildner * Intel shall be used in advertising or otherwise to promote the sale, use or
77b4315fc7SSascha Wildner * other dealings in products derived from or relating to the Covered Code
78b4315fc7SSascha Wildner * without prior written authorization from Intel.
79b4315fc7SSascha Wildner *
80b4315fc7SSascha Wildner * 4. Disclaimer and Export Compliance
81b4315fc7SSascha Wildner *
82b4315fc7SSascha Wildner * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83b4315fc7SSascha Wildner * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84b4315fc7SSascha Wildner * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85b4315fc7SSascha Wildner * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86b4315fc7SSascha Wildner * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87b4315fc7SSascha Wildner * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
88b4315fc7SSascha Wildner * PARTICULAR PURPOSE.
89b4315fc7SSascha Wildner *
90b4315fc7SSascha Wildner * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91b4315fc7SSascha Wildner * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92b4315fc7SSascha Wildner * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93b4315fc7SSascha Wildner * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94b4315fc7SSascha Wildner * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95b4315fc7SSascha Wildner * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96b4315fc7SSascha Wildner * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
97b4315fc7SSascha Wildner * LIMITED REMEDY.
98b4315fc7SSascha Wildner *
99b4315fc7SSascha Wildner * 4.3. Licensee shall not export, either directly or indirectly, any of this
100b4315fc7SSascha Wildner * software or system incorporating such software without first obtaining any
101b4315fc7SSascha Wildner * required license or other approval from the U. S. Department of Commerce or
102b4315fc7SSascha Wildner * any other agency or department of the United States Government. In the
103b4315fc7SSascha Wildner * event Licensee exports any such software from the United States or
104b4315fc7SSascha Wildner * re-exports any such software from a foreign destination, Licensee shall
105b4315fc7SSascha Wildner * ensure that the distribution and export/re-export of the software is in
106b4315fc7SSascha Wildner * compliance with all laws, regulations, orders, or other restrictions of the
107b4315fc7SSascha Wildner * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108b4315fc7SSascha Wildner * any of its subsidiaries will export/re-export any technical data, process,
109b4315fc7SSascha Wildner * software, or service, directly or indirectly, to any country for which the
110b4315fc7SSascha Wildner * United States government or any agency thereof requires an export license,
111b4315fc7SSascha Wildner * other governmental approval, or letter of assurance, without first obtaining
112b4315fc7SSascha Wildner * such license, approval or letter.
113b4315fc7SSascha Wildner *
114b4315fc7SSascha Wildner *****************************************************************************
115b4315fc7SSascha Wildner *
116b4315fc7SSascha Wildner * Alternatively, you may choose to be licensed under the terms of the
117b4315fc7SSascha Wildner * following license:
118b4315fc7SSascha Wildner *
1190d02842fSSascha Wildner * Redistribution and use in source and binary forms, with or without
1200d02842fSSascha Wildner * modification, are permitted provided that the following conditions
1210d02842fSSascha Wildner * are met:
1220d02842fSSascha Wildner * 1. Redistributions of source code must retain the above copyright
1230d02842fSSascha Wildner * notice, this list of conditions, and the following disclaimer,
1240d02842fSSascha Wildner * without modification.
1250d02842fSSascha Wildner * 2. Redistributions in binary form must reproduce at minimum a disclaimer
1260d02842fSSascha Wildner * substantially similar to the "NO WARRANTY" disclaimer below
1270d02842fSSascha Wildner * ("Disclaimer") and any redistribution must be conditioned upon
1280d02842fSSascha Wildner * including a substantially similar Disclaimer requirement for further
1290d02842fSSascha Wildner * binary redistribution.
1300d02842fSSascha Wildner * 3. Neither the names of the above-listed copyright holders nor the names
1310d02842fSSascha Wildner * of any contributors may be used to endorse or promote products derived
1320d02842fSSascha Wildner * from this software without specific prior written permission.
1330d02842fSSascha Wildner *
134b4315fc7SSascha Wildner * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135b4315fc7SSascha Wildner * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136b4315fc7SSascha Wildner * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137b4315fc7SSascha Wildner * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138b4315fc7SSascha Wildner * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139b4315fc7SSascha Wildner * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140b4315fc7SSascha Wildner * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141b4315fc7SSascha Wildner * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142b4315fc7SSascha Wildner * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143b4315fc7SSascha Wildner * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144b4315fc7SSascha Wildner * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
145b4315fc7SSascha Wildner *
146b4315fc7SSascha Wildner * Alternatively, you may choose to be licensed under the terms of the
1470d02842fSSascha Wildner * GNU General Public License ("GPL") version 2 as published by the Free
1480d02842fSSascha Wildner * Software Foundation.
1490d02842fSSascha Wildner *
150b4315fc7SSascha Wildner *****************************************************************************/
1510d02842fSSascha Wildner
1520d02842fSSascha Wildner #include "acpi.h"
1530d02842fSSascha Wildner #include "accommon.h"
1540d02842fSSascha Wildner #include "acresrc.h"
1550d02842fSSascha Wildner #include "acnamesp.h"
1560d02842fSSascha Wildner
1570d02842fSSascha Wildner
1580d02842fSSascha Wildner #define _COMPONENT ACPI_RESOURCES
1590d02842fSSascha Wildner ACPI_MODULE_NAME ("rscalc")
1600d02842fSSascha Wildner
1610d02842fSSascha Wildner
1620d02842fSSascha Wildner /* Local prototypes */
1630d02842fSSascha Wildner
1640d02842fSSascha Wildner static UINT8
1650d02842fSSascha Wildner AcpiRsCountSetBits (
1660d02842fSSascha Wildner UINT16 BitField);
1670d02842fSSascha Wildner
1680d02842fSSascha Wildner static ACPI_RS_LENGTH
1690d02842fSSascha Wildner AcpiRsStructOptionLength (
1700d02842fSSascha Wildner ACPI_RESOURCE_SOURCE *ResourceSource);
1710d02842fSSascha Wildner
1720d02842fSSascha Wildner static UINT32
1730d02842fSSascha Wildner AcpiRsStreamOptionLength (
1740d02842fSSascha Wildner UINT32 ResourceLength,
1750d02842fSSascha Wildner UINT32 MinimumTotalLength);
1760d02842fSSascha Wildner
1770d02842fSSascha Wildner
1780d02842fSSascha Wildner /*******************************************************************************
1790d02842fSSascha Wildner *
1800d02842fSSascha Wildner * FUNCTION: AcpiRsCountSetBits
1810d02842fSSascha Wildner *
1820d02842fSSascha Wildner * PARAMETERS: BitField - Field in which to count bits
1830d02842fSSascha Wildner *
1840d02842fSSascha Wildner * RETURN: Number of bits set within the field
1850d02842fSSascha Wildner *
1860d02842fSSascha Wildner * DESCRIPTION: Count the number of bits set in a resource field. Used for
1870d02842fSSascha Wildner * (Short descriptor) interrupt and DMA lists.
1880d02842fSSascha Wildner *
1890d02842fSSascha Wildner ******************************************************************************/
1900d02842fSSascha Wildner
1910d02842fSSascha Wildner static UINT8
AcpiRsCountSetBits(UINT16 BitField)1920d02842fSSascha Wildner AcpiRsCountSetBits (
1930d02842fSSascha Wildner UINT16 BitField)
1940d02842fSSascha Wildner {
1950d02842fSSascha Wildner UINT8 BitsSet;
1960d02842fSSascha Wildner
1970d02842fSSascha Wildner
1980d02842fSSascha Wildner ACPI_FUNCTION_ENTRY ();
1990d02842fSSascha Wildner
2000d02842fSSascha Wildner
2010d02842fSSascha Wildner for (BitsSet = 0; BitField; BitsSet++)
2020d02842fSSascha Wildner {
2030d02842fSSascha Wildner /* Zero the least significant bit that is set */
2040d02842fSSascha Wildner
2050d02842fSSascha Wildner BitField &= (UINT16) (BitField - 1);
2060d02842fSSascha Wildner }
2070d02842fSSascha Wildner
2080d02842fSSascha Wildner return (BitsSet);
2090d02842fSSascha Wildner }
2100d02842fSSascha Wildner
2110d02842fSSascha Wildner
2120d02842fSSascha Wildner /*******************************************************************************
2130d02842fSSascha Wildner *
2140d02842fSSascha Wildner * FUNCTION: AcpiRsStructOptionLength
2150d02842fSSascha Wildner *
2160d02842fSSascha Wildner * PARAMETERS: ResourceSource - Pointer to optional descriptor field
2170d02842fSSascha Wildner *
2180d02842fSSascha Wildner * RETURN: Status
2190d02842fSSascha Wildner *
2200d02842fSSascha Wildner * DESCRIPTION: Common code to handle optional ResourceSourceIndex and
2210d02842fSSascha Wildner * ResourceSource fields in some Large descriptors. Used during
2220d02842fSSascha Wildner * list-to-stream conversion
2230d02842fSSascha Wildner *
2240d02842fSSascha Wildner ******************************************************************************/
2250d02842fSSascha Wildner
2260d02842fSSascha Wildner static ACPI_RS_LENGTH
AcpiRsStructOptionLength(ACPI_RESOURCE_SOURCE * ResourceSource)2270d02842fSSascha Wildner AcpiRsStructOptionLength (
2280d02842fSSascha Wildner ACPI_RESOURCE_SOURCE *ResourceSource)
2290d02842fSSascha Wildner {
2300d02842fSSascha Wildner ACPI_FUNCTION_ENTRY ();
2310d02842fSSascha Wildner
2320d02842fSSascha Wildner
2330d02842fSSascha Wildner /*
2340d02842fSSascha Wildner * If the ResourceSource string is valid, return the size of the string
2350d02842fSSascha Wildner * (StringLength includes the NULL terminator) plus the size of the
2360d02842fSSascha Wildner * ResourceSourceIndex (1).
2370d02842fSSascha Wildner */
2380d02842fSSascha Wildner if (ResourceSource->StringPtr)
2390d02842fSSascha Wildner {
2400d02842fSSascha Wildner return ((ACPI_RS_LENGTH) (ResourceSource->StringLength + 1));
2410d02842fSSascha Wildner }
2420d02842fSSascha Wildner
2430d02842fSSascha Wildner return (0);
2440d02842fSSascha Wildner }
2450d02842fSSascha Wildner
2460d02842fSSascha Wildner
2470d02842fSSascha Wildner /*******************************************************************************
2480d02842fSSascha Wildner *
2490d02842fSSascha Wildner * FUNCTION: AcpiRsStreamOptionLength
2500d02842fSSascha Wildner *
2510d02842fSSascha Wildner * PARAMETERS: ResourceLength - Length from the resource header
2520d02842fSSascha Wildner * MinimumTotalLength - Minimum length of this resource, before
2530d02842fSSascha Wildner * any optional fields. Includes header size
2540d02842fSSascha Wildner *
2550d02842fSSascha Wildner * RETURN: Length of optional string (0 if no string present)
2560d02842fSSascha Wildner *
2570d02842fSSascha Wildner * DESCRIPTION: Common code to handle optional ResourceSourceIndex and
2580d02842fSSascha Wildner * ResourceSource fields in some Large descriptors. Used during
2590d02842fSSascha Wildner * stream-to-list conversion
2600d02842fSSascha Wildner *
2610d02842fSSascha Wildner ******************************************************************************/
2620d02842fSSascha Wildner
2630d02842fSSascha Wildner static UINT32
AcpiRsStreamOptionLength(UINT32 ResourceLength,UINT32 MinimumAmlResourceLength)2640d02842fSSascha Wildner AcpiRsStreamOptionLength (
2650d02842fSSascha Wildner UINT32 ResourceLength,
2660d02842fSSascha Wildner UINT32 MinimumAmlResourceLength)
2670d02842fSSascha Wildner {
2680d02842fSSascha Wildner UINT32 StringLength = 0;
2690d02842fSSascha Wildner
2700d02842fSSascha Wildner
2710d02842fSSascha Wildner ACPI_FUNCTION_ENTRY ();
2720d02842fSSascha Wildner
2730d02842fSSascha Wildner
2740d02842fSSascha Wildner /*
275820c5b08SSascha Wildner * The ResourceSourceIndex and ResourceSource are optional elements of
276820c5b08SSascha Wildner * some Large-type resource descriptors.
2770d02842fSSascha Wildner */
2780d02842fSSascha Wildner
2790d02842fSSascha Wildner /*
280820c5b08SSascha Wildner * If the length of the actual resource descriptor is greater than the
281820c5b08SSascha Wildner * ACPI spec-defined minimum length, it means that a ResourceSourceIndex
282820c5b08SSascha Wildner * exists and is followed by a (required) null terminated string. The
283820c5b08SSascha Wildner * string length (including the null terminator) is the resource length
284820c5b08SSascha Wildner * minus the minimum length, minus one byte for the ResourceSourceIndex
285820c5b08SSascha Wildner * itself.
2860d02842fSSascha Wildner */
2870d02842fSSascha Wildner if (ResourceLength > MinimumAmlResourceLength)
2880d02842fSSascha Wildner {
2890d02842fSSascha Wildner /* Compute the length of the optional string */
2900d02842fSSascha Wildner
2910d02842fSSascha Wildner StringLength = ResourceLength - MinimumAmlResourceLength - 1;
2920d02842fSSascha Wildner }
2930d02842fSSascha Wildner
2940d02842fSSascha Wildner /*
2950d02842fSSascha Wildner * Round the length up to a multiple of the native word in order to
2960d02842fSSascha Wildner * guarantee that the entire resource descriptor is native word aligned
2970d02842fSSascha Wildner */
2980d02842fSSascha Wildner return ((UINT32) ACPI_ROUND_UP_TO_NATIVE_WORD (StringLength));
2990d02842fSSascha Wildner }
3000d02842fSSascha Wildner
3010d02842fSSascha Wildner
3020d02842fSSascha Wildner /*******************************************************************************
3030d02842fSSascha Wildner *
3040d02842fSSascha Wildner * FUNCTION: AcpiRsGetAmlLength
3050d02842fSSascha Wildner *
3060d02842fSSascha Wildner * PARAMETERS: Resource - Pointer to the resource linked list
3070d02842fSSascha Wildner * ResourceListSize - Size of the resource linked list
3080d02842fSSascha Wildner * SizeNeeded - Where the required size is returned
3090d02842fSSascha Wildner *
3100d02842fSSascha Wildner * RETURN: Status
3110d02842fSSascha Wildner *
3120d02842fSSascha Wildner * DESCRIPTION: Takes a linked list of internal resource descriptors and
3130d02842fSSascha Wildner * calculates the size buffer needed to hold the corresponding
3140d02842fSSascha Wildner * external resource byte stream.
3150d02842fSSascha Wildner *
3160d02842fSSascha Wildner ******************************************************************************/
3170d02842fSSascha Wildner
3180d02842fSSascha Wildner ACPI_STATUS
AcpiRsGetAmlLength(ACPI_RESOURCE * Resource,ACPI_SIZE ResourceListSize,ACPI_SIZE * SizeNeeded)3190d02842fSSascha Wildner AcpiRsGetAmlLength (
3200d02842fSSascha Wildner ACPI_RESOURCE *Resource,
3210d02842fSSascha Wildner ACPI_SIZE ResourceListSize,
3220d02842fSSascha Wildner ACPI_SIZE *SizeNeeded)
3230d02842fSSascha Wildner {
3240d02842fSSascha Wildner ACPI_SIZE AmlSizeNeeded = 0;
3250d02842fSSascha Wildner ACPI_RESOURCE *ResourceEnd;
3260d02842fSSascha Wildner ACPI_RS_LENGTH TotalSize;
3270d02842fSSascha Wildner
3280d02842fSSascha Wildner
3290d02842fSSascha Wildner ACPI_FUNCTION_TRACE (RsGetAmlLength);
3300d02842fSSascha Wildner
3310d02842fSSascha Wildner
3320d02842fSSascha Wildner /* Traverse entire list of internal resource descriptors */
3330d02842fSSascha Wildner
3340d02842fSSascha Wildner ResourceEnd = ACPI_ADD_PTR (ACPI_RESOURCE, Resource, ResourceListSize);
3350d02842fSSascha Wildner while (Resource < ResourceEnd)
3360d02842fSSascha Wildner {
3370d02842fSSascha Wildner /* Validate the descriptor type */
3380d02842fSSascha Wildner
3390d02842fSSascha Wildner if (Resource->Type > ACPI_RESOURCE_TYPE_MAX)
3400d02842fSSascha Wildner {
3410d02842fSSascha Wildner return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE);
3420d02842fSSascha Wildner }
3430d02842fSSascha Wildner
3440d02842fSSascha Wildner /* Sanity check the length. It must not be zero, or we loop forever */
3450d02842fSSascha Wildner
3460d02842fSSascha Wildner if (!Resource->Length)
3470d02842fSSascha Wildner {
3480d02842fSSascha Wildner return_ACPI_STATUS (AE_AML_BAD_RESOURCE_LENGTH);
3490d02842fSSascha Wildner }
3500d02842fSSascha Wildner
3510d02842fSSascha Wildner /* Get the base size of the (external stream) resource descriptor */
3520d02842fSSascha Wildner
3530d02842fSSascha Wildner TotalSize = AcpiGbl_AmlResourceSizes [Resource->Type];
3540d02842fSSascha Wildner
3550d02842fSSascha Wildner /*
3560d02842fSSascha Wildner * Augment the base size for descriptors with optional and/or
3570d02842fSSascha Wildner * variable-length fields
3580d02842fSSascha Wildner */
3590d02842fSSascha Wildner switch (Resource->Type)
3600d02842fSSascha Wildner {
3610d02842fSSascha Wildner case ACPI_RESOURCE_TYPE_IRQ:
3620d02842fSSascha Wildner
3630d02842fSSascha Wildner /* Length can be 3 or 2 */
3640d02842fSSascha Wildner
3650d02842fSSascha Wildner if (Resource->Data.Irq.DescriptorLength == 2)
3660d02842fSSascha Wildner {
3670d02842fSSascha Wildner TotalSize--;
3680d02842fSSascha Wildner }
3690d02842fSSascha Wildner break;
3700d02842fSSascha Wildner
3710d02842fSSascha Wildner
3720d02842fSSascha Wildner case ACPI_RESOURCE_TYPE_START_DEPENDENT:
3730d02842fSSascha Wildner
3740d02842fSSascha Wildner /* Length can be 1 or 0 */
3750d02842fSSascha Wildner
3760d02842fSSascha Wildner if (Resource->Data.Irq.DescriptorLength == 0)
3770d02842fSSascha Wildner {
3780d02842fSSascha Wildner TotalSize--;
3790d02842fSSascha Wildner }
3800d02842fSSascha Wildner break;
3810d02842fSSascha Wildner
3820d02842fSSascha Wildner
3830d02842fSSascha Wildner case ACPI_RESOURCE_TYPE_VENDOR:
3840d02842fSSascha Wildner /*
3850d02842fSSascha Wildner * Vendor Defined Resource:
3860d02842fSSascha Wildner * For a Vendor Specific resource, if the Length is between 1 and 7
3870d02842fSSascha Wildner * it will be created as a Small Resource data type, otherwise it
3880d02842fSSascha Wildner * is a Large Resource data type.
3890d02842fSSascha Wildner */
3900d02842fSSascha Wildner if (Resource->Data.Vendor.ByteLength > 7)
3910d02842fSSascha Wildner {
3920d02842fSSascha Wildner /* Base size of a Large resource descriptor */
3930d02842fSSascha Wildner
3940d02842fSSascha Wildner TotalSize = sizeof (AML_RESOURCE_LARGE_HEADER);
3950d02842fSSascha Wildner }
3960d02842fSSascha Wildner
3970d02842fSSascha Wildner /* Add the size of the vendor-specific data */
3980d02842fSSascha Wildner
3990d02842fSSascha Wildner TotalSize = (ACPI_RS_LENGTH)
4000d02842fSSascha Wildner (TotalSize + Resource->Data.Vendor.ByteLength);
4010d02842fSSascha Wildner break;
4020d02842fSSascha Wildner
4030d02842fSSascha Wildner
4040d02842fSSascha Wildner case ACPI_RESOURCE_TYPE_END_TAG:
4050d02842fSSascha Wildner /*
4060d02842fSSascha Wildner * End Tag:
4070d02842fSSascha Wildner * We are done -- return the accumulated total size.
4080d02842fSSascha Wildner */
4090d02842fSSascha Wildner *SizeNeeded = AmlSizeNeeded + TotalSize;
4100d02842fSSascha Wildner
4110d02842fSSascha Wildner /* Normal exit */
4120d02842fSSascha Wildner
4130d02842fSSascha Wildner return_ACPI_STATUS (AE_OK);
4140d02842fSSascha Wildner
4150d02842fSSascha Wildner
4160d02842fSSascha Wildner case ACPI_RESOURCE_TYPE_ADDRESS16:
4170d02842fSSascha Wildner /*
4180d02842fSSascha Wildner * 16-Bit Address Resource:
4190d02842fSSascha Wildner * Add the size of the optional ResourceSource info
4200d02842fSSascha Wildner */
421820c5b08SSascha Wildner TotalSize = (ACPI_RS_LENGTH) (TotalSize +
422820c5b08SSascha Wildner AcpiRsStructOptionLength (
4230d02842fSSascha Wildner &Resource->Data.Address16.ResourceSource));
4240d02842fSSascha Wildner break;
4250d02842fSSascha Wildner
4260d02842fSSascha Wildner
4270d02842fSSascha Wildner case ACPI_RESOURCE_TYPE_ADDRESS32:
4280d02842fSSascha Wildner /*
4290d02842fSSascha Wildner * 32-Bit Address Resource:
4300d02842fSSascha Wildner * Add the size of the optional ResourceSource info
4310d02842fSSascha Wildner */
432820c5b08SSascha Wildner TotalSize = (ACPI_RS_LENGTH) (TotalSize +
433820c5b08SSascha Wildner AcpiRsStructOptionLength (
4340d02842fSSascha Wildner &Resource->Data.Address32.ResourceSource));
4350d02842fSSascha Wildner break;
4360d02842fSSascha Wildner
4370d02842fSSascha Wildner
4380d02842fSSascha Wildner case ACPI_RESOURCE_TYPE_ADDRESS64:
4390d02842fSSascha Wildner /*
4400d02842fSSascha Wildner * 64-Bit Address Resource:
4410d02842fSSascha Wildner * Add the size of the optional ResourceSource info
4420d02842fSSascha Wildner */
443820c5b08SSascha Wildner TotalSize = (ACPI_RS_LENGTH) (TotalSize +
444820c5b08SSascha Wildner AcpiRsStructOptionLength (
4450d02842fSSascha Wildner &Resource->Data.Address64.ResourceSource));
4460d02842fSSascha Wildner break;
4470d02842fSSascha Wildner
4480d02842fSSascha Wildner
4490d02842fSSascha Wildner case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
4500d02842fSSascha Wildner /*
4510d02842fSSascha Wildner * Extended IRQ Resource:
4520d02842fSSascha Wildner * Add the size of each additional optional interrupt beyond the
4530d02842fSSascha Wildner * required 1 (4 bytes for each UINT32 interrupt number)
4540d02842fSSascha Wildner */
455820c5b08SSascha Wildner TotalSize = (ACPI_RS_LENGTH) (TotalSize +
4560d02842fSSascha Wildner ((Resource->Data.ExtendedIrq.InterruptCount - 1) * 4) +
4570d02842fSSascha Wildner
4580d02842fSSascha Wildner /* Add the size of the optional ResourceSource info */
4590d02842fSSascha Wildner
4600d02842fSSascha Wildner AcpiRsStructOptionLength (
4610d02842fSSascha Wildner &Resource->Data.ExtendedIrq.ResourceSource));
4620d02842fSSascha Wildner break;
4630d02842fSSascha Wildner
4640d02842fSSascha Wildner
4650d02842fSSascha Wildner case ACPI_RESOURCE_TYPE_GPIO:
4660d02842fSSascha Wildner
467820c5b08SSascha Wildner TotalSize = (ACPI_RS_LENGTH) (TotalSize +
468820c5b08SSascha Wildner (Resource->Data.Gpio.PinTableLength * 2) +
4690d02842fSSascha Wildner Resource->Data.Gpio.ResourceSource.StringLength +
4700d02842fSSascha Wildner Resource->Data.Gpio.VendorLength);
4710d02842fSSascha Wildner
4720d02842fSSascha Wildner break;
4730d02842fSSascha Wildner
4741093ca81SSascha Wildner case ACPI_RESOURCE_TYPE_PIN_FUNCTION:
4751093ca81SSascha Wildner
4761093ca81SSascha Wildner TotalSize = (ACPI_RS_LENGTH) (TotalSize +
4771093ca81SSascha Wildner (Resource->Data.PinFunction.PinTableLength * 2) +
4781093ca81SSascha Wildner Resource->Data.PinFunction.ResourceSource.StringLength +
4791093ca81SSascha Wildner Resource->Data.PinFunction.VendorLength);
4801093ca81SSascha Wildner
4811093ca81SSascha Wildner break;
4821093ca81SSascha Wildner
4830d02842fSSascha Wildner
4840d02842fSSascha Wildner case ACPI_RESOURCE_TYPE_SERIAL_BUS:
4850d02842fSSascha Wildner
486820c5b08SSascha Wildner TotalSize = AcpiGbl_AmlResourceSerialBusSizes [
487820c5b08SSascha Wildner Resource->Data.CommonSerialBus.Type];
4880d02842fSSascha Wildner
4890d02842fSSascha Wildner TotalSize = (ACPI_RS_LENGTH) (TotalSize +
4900d02842fSSascha Wildner Resource->Data.I2cSerialBus.ResourceSource.StringLength +
4910d02842fSSascha Wildner Resource->Data.I2cSerialBus.VendorLength);
4920d02842fSSascha Wildner
4930d02842fSSascha Wildner break;
4940d02842fSSascha Wildner
4951093ca81SSascha Wildner case ACPI_RESOURCE_TYPE_PIN_CONFIG:
4961093ca81SSascha Wildner
4971093ca81SSascha Wildner TotalSize = (ACPI_RS_LENGTH) (TotalSize +
4981093ca81SSascha Wildner (Resource->Data.PinConfig.PinTableLength * 2) +
4991093ca81SSascha Wildner Resource->Data.PinConfig.ResourceSource.StringLength +
5001093ca81SSascha Wildner Resource->Data.PinConfig.VendorLength);
5011093ca81SSascha Wildner
5021093ca81SSascha Wildner break;
5031093ca81SSascha Wildner
5041093ca81SSascha Wildner case ACPI_RESOURCE_TYPE_PIN_GROUP:
5051093ca81SSascha Wildner
5061093ca81SSascha Wildner TotalSize = (ACPI_RS_LENGTH) (TotalSize +
5071093ca81SSascha Wildner (Resource->Data.PinGroup.PinTableLength * 2) +
5081093ca81SSascha Wildner Resource->Data.PinGroup.ResourceLabel.StringLength +
5091093ca81SSascha Wildner Resource->Data.PinGroup.VendorLength);
5101093ca81SSascha Wildner
5111093ca81SSascha Wildner break;
5121093ca81SSascha Wildner
5131093ca81SSascha Wildner case ACPI_RESOURCE_TYPE_PIN_GROUP_FUNCTION:
5141093ca81SSascha Wildner
5151093ca81SSascha Wildner TotalSize = (ACPI_RS_LENGTH) (TotalSize +
5161093ca81SSascha Wildner Resource->Data.PinGroupFunction.ResourceSource.StringLength +
5171093ca81SSascha Wildner Resource->Data.PinGroupFunction.ResourceSourceLabel.StringLength +
5181093ca81SSascha Wildner Resource->Data.PinGroupFunction.VendorLength);
5191093ca81SSascha Wildner
5201093ca81SSascha Wildner break;
5211093ca81SSascha Wildner
5221093ca81SSascha Wildner case ACPI_RESOURCE_TYPE_PIN_GROUP_CONFIG:
5231093ca81SSascha Wildner
5241093ca81SSascha Wildner TotalSize = (ACPI_RS_LENGTH) (TotalSize +
5251093ca81SSascha Wildner Resource->Data.PinGroupConfig.ResourceSource.StringLength +
5261093ca81SSascha Wildner Resource->Data.PinGroupConfig.ResourceSourceLabel.StringLength +
5271093ca81SSascha Wildner Resource->Data.PinGroupConfig.VendorLength);
5281093ca81SSascha Wildner
5291093ca81SSascha Wildner break;
5301093ca81SSascha Wildner
5310d02842fSSascha Wildner default:
5320d02842fSSascha Wildner
5330d02842fSSascha Wildner break;
5340d02842fSSascha Wildner }
5350d02842fSSascha Wildner
5360d02842fSSascha Wildner /* Update the total */
5370d02842fSSascha Wildner
5380d02842fSSascha Wildner AmlSizeNeeded += TotalSize;
5390d02842fSSascha Wildner
5400d02842fSSascha Wildner /* Point to the next object */
5410d02842fSSascha Wildner
5420d02842fSSascha Wildner Resource = ACPI_ADD_PTR (ACPI_RESOURCE, Resource, Resource->Length);
5430d02842fSSascha Wildner }
5440d02842fSSascha Wildner
5450d02842fSSascha Wildner /* Did not find an EndTag resource descriptor */
5460d02842fSSascha Wildner
5470d02842fSSascha Wildner return_ACPI_STATUS (AE_AML_NO_RESOURCE_END_TAG);
5480d02842fSSascha Wildner }
5490d02842fSSascha Wildner
5500d02842fSSascha Wildner
5510d02842fSSascha Wildner /*******************************************************************************
5520d02842fSSascha Wildner *
5530d02842fSSascha Wildner * FUNCTION: AcpiRsGetListLength
5540d02842fSSascha Wildner *
5550d02842fSSascha Wildner * PARAMETERS: AmlBuffer - Pointer to the resource byte stream
5560d02842fSSascha Wildner * AmlBufferLength - Size of AmlBuffer
5570d02842fSSascha Wildner * SizeNeeded - Where the size needed is returned
5580d02842fSSascha Wildner *
5590d02842fSSascha Wildner * RETURN: Status
5600d02842fSSascha Wildner *
5610d02842fSSascha Wildner * DESCRIPTION: Takes an external resource byte stream and calculates the size
5620d02842fSSascha Wildner * buffer needed to hold the corresponding internal resource
5630d02842fSSascha Wildner * descriptor linked list.
5640d02842fSSascha Wildner *
5650d02842fSSascha Wildner ******************************************************************************/
5660d02842fSSascha Wildner
5670d02842fSSascha Wildner ACPI_STATUS
AcpiRsGetListLength(UINT8 * AmlBuffer,UINT32 AmlBufferLength,ACPI_SIZE * SizeNeeded)5680d02842fSSascha Wildner AcpiRsGetListLength (
5690d02842fSSascha Wildner UINT8 *AmlBuffer,
5700d02842fSSascha Wildner UINT32 AmlBufferLength,
5710d02842fSSascha Wildner ACPI_SIZE *SizeNeeded)
5720d02842fSSascha Wildner {
5730d02842fSSascha Wildner ACPI_STATUS Status;
5740d02842fSSascha Wildner UINT8 *EndAml;
5750d02842fSSascha Wildner UINT8 *Buffer;
5760d02842fSSascha Wildner UINT32 BufferSize;
5770d02842fSSascha Wildner UINT16 Temp16;
5780d02842fSSascha Wildner UINT16 ResourceLength;
5790d02842fSSascha Wildner UINT32 ExtraStructBytes;
5800d02842fSSascha Wildner UINT8 ResourceIndex;
5810d02842fSSascha Wildner UINT8 MinimumAmlResourceLength;
5820d02842fSSascha Wildner AML_RESOURCE *AmlResource;
5830d02842fSSascha Wildner
5840d02842fSSascha Wildner
5850d02842fSSascha Wildner ACPI_FUNCTION_TRACE (RsGetListLength);
5860d02842fSSascha Wildner
5870d02842fSSascha Wildner
5880d02842fSSascha Wildner *SizeNeeded = ACPI_RS_SIZE_MIN; /* Minimum size is one EndTag */
5890d02842fSSascha Wildner EndAml = AmlBuffer + AmlBufferLength;
5900d02842fSSascha Wildner
5910d02842fSSascha Wildner /* Walk the list of AML resource descriptors */
5920d02842fSSascha Wildner
5930d02842fSSascha Wildner while (AmlBuffer < EndAml)
5940d02842fSSascha Wildner {
5950d02842fSSascha Wildner /* Validate the Resource Type and Resource Length */
5960d02842fSSascha Wildner
5970d02842fSSascha Wildner Status = AcpiUtValidateResource (NULL, AmlBuffer, &ResourceIndex);
5980d02842fSSascha Wildner if (ACPI_FAILURE (Status))
5990d02842fSSascha Wildner {
6000d02842fSSascha Wildner /*
6010d02842fSSascha Wildner * Exit on failure. Cannot continue because the descriptor length
6020d02842fSSascha Wildner * may be bogus also.
6030d02842fSSascha Wildner */
6040d02842fSSascha Wildner return_ACPI_STATUS (Status);
6050d02842fSSascha Wildner }
6060d02842fSSascha Wildner
6070d02842fSSascha Wildner AmlResource = (void *) AmlBuffer;
6080d02842fSSascha Wildner
6090d02842fSSascha Wildner /* Get the resource length and base (minimum) AML size */
6100d02842fSSascha Wildner
6110d02842fSSascha Wildner ResourceLength = AcpiUtGetResourceLength (AmlBuffer);
6120d02842fSSascha Wildner MinimumAmlResourceLength = AcpiGbl_ResourceAmlSizes[ResourceIndex];
6130d02842fSSascha Wildner
6140d02842fSSascha Wildner /*
6150d02842fSSascha Wildner * Augment the size for descriptors with optional
6160d02842fSSascha Wildner * and/or variable length fields
6170d02842fSSascha Wildner */
6180d02842fSSascha Wildner ExtraStructBytes = 0;
6190d02842fSSascha Wildner Buffer = AmlBuffer + AcpiUtGetResourceHeaderLength (AmlBuffer);
6200d02842fSSascha Wildner
6210d02842fSSascha Wildner switch (AcpiUtGetResourceType (AmlBuffer))
6220d02842fSSascha Wildner {
6230d02842fSSascha Wildner case ACPI_RESOURCE_NAME_IRQ:
6240d02842fSSascha Wildner /*
6250d02842fSSascha Wildner * IRQ Resource:
6260d02842fSSascha Wildner * Get the number of bits set in the 16-bit IRQ mask
6270d02842fSSascha Wildner */
6280d02842fSSascha Wildner ACPI_MOVE_16_TO_16 (&Temp16, Buffer);
6290d02842fSSascha Wildner ExtraStructBytes = AcpiRsCountSetBits (Temp16);
6300d02842fSSascha Wildner break;
6310d02842fSSascha Wildner
6320d02842fSSascha Wildner
6330d02842fSSascha Wildner case ACPI_RESOURCE_NAME_DMA:
6340d02842fSSascha Wildner /*
6350d02842fSSascha Wildner * DMA Resource:
6360d02842fSSascha Wildner * Get the number of bits set in the 8-bit DMA mask
6370d02842fSSascha Wildner */
6380d02842fSSascha Wildner ExtraStructBytes = AcpiRsCountSetBits (*Buffer);
6390d02842fSSascha Wildner break;
6400d02842fSSascha Wildner
6410d02842fSSascha Wildner
6420d02842fSSascha Wildner case ACPI_RESOURCE_NAME_VENDOR_SMALL:
6430d02842fSSascha Wildner case ACPI_RESOURCE_NAME_VENDOR_LARGE:
6440d02842fSSascha Wildner /*
6450d02842fSSascha Wildner * Vendor Resource:
6460d02842fSSascha Wildner * Get the number of vendor data bytes
6470d02842fSSascha Wildner */
6480d02842fSSascha Wildner ExtraStructBytes = ResourceLength;
6490d02842fSSascha Wildner
6500d02842fSSascha Wildner /*
6510d02842fSSascha Wildner * There is already one byte included in the minimum
6520d02842fSSascha Wildner * descriptor size. If there are extra struct bytes,
6530d02842fSSascha Wildner * subtract one from the count.
6540d02842fSSascha Wildner */
6550d02842fSSascha Wildner if (ExtraStructBytes)
6560d02842fSSascha Wildner {
6570d02842fSSascha Wildner ExtraStructBytes--;
6580d02842fSSascha Wildner }
6590d02842fSSascha Wildner break;
6600d02842fSSascha Wildner
6610d02842fSSascha Wildner
6620d02842fSSascha Wildner case ACPI_RESOURCE_NAME_END_TAG:
6630d02842fSSascha Wildner /*
6640d02842fSSascha Wildner * End Tag: This is the normal exit
6650d02842fSSascha Wildner */
6660d02842fSSascha Wildner return_ACPI_STATUS (AE_OK);
6670d02842fSSascha Wildner
6680d02842fSSascha Wildner
6690d02842fSSascha Wildner case ACPI_RESOURCE_NAME_ADDRESS32:
6700d02842fSSascha Wildner case ACPI_RESOURCE_NAME_ADDRESS16:
6710d02842fSSascha Wildner case ACPI_RESOURCE_NAME_ADDRESS64:
6720d02842fSSascha Wildner /*
6730d02842fSSascha Wildner * Address Resource:
6740d02842fSSascha Wildner * Add the size of the optional ResourceSource
6750d02842fSSascha Wildner */
6760d02842fSSascha Wildner ExtraStructBytes = AcpiRsStreamOptionLength (
6770d02842fSSascha Wildner ResourceLength, MinimumAmlResourceLength);
6780d02842fSSascha Wildner break;
6790d02842fSSascha Wildner
6800d02842fSSascha Wildner
6810d02842fSSascha Wildner case ACPI_RESOURCE_NAME_EXTENDED_IRQ:
6820d02842fSSascha Wildner /*
6830d02842fSSascha Wildner * Extended IRQ Resource:
6840d02842fSSascha Wildner * Using the InterruptTableLength, add 4 bytes for each additional
6850d02842fSSascha Wildner * interrupt. Note: at least one interrupt is required and is
6860d02842fSSascha Wildner * included in the minimum descriptor size (reason for the -1)
6870d02842fSSascha Wildner */
6880d02842fSSascha Wildner ExtraStructBytes = (Buffer[1] - 1) * sizeof (UINT32);
6890d02842fSSascha Wildner
6900d02842fSSascha Wildner /* Add the size of the optional ResourceSource */
6910d02842fSSascha Wildner
6920d02842fSSascha Wildner ExtraStructBytes += AcpiRsStreamOptionLength (
6930d02842fSSascha Wildner ResourceLength - ExtraStructBytes, MinimumAmlResourceLength);
6940d02842fSSascha Wildner break;
6950d02842fSSascha Wildner
6960d02842fSSascha Wildner case ACPI_RESOURCE_NAME_GPIO:
6970d02842fSSascha Wildner
6980d02842fSSascha Wildner /* Vendor data is optional */
6990d02842fSSascha Wildner
7000d02842fSSascha Wildner if (AmlResource->Gpio.VendorLength)
7010d02842fSSascha Wildner {
702820c5b08SSascha Wildner ExtraStructBytes +=
703820c5b08SSascha Wildner AmlResource->Gpio.VendorOffset -
704820c5b08SSascha Wildner AmlResource->Gpio.PinTableOffset +
705820c5b08SSascha Wildner AmlResource->Gpio.VendorLength;
7060d02842fSSascha Wildner }
7070d02842fSSascha Wildner else
7080d02842fSSascha Wildner {
709820c5b08SSascha Wildner ExtraStructBytes +=
710820c5b08SSascha Wildner AmlResource->LargeHeader.ResourceLength +
7110d02842fSSascha Wildner sizeof (AML_RESOURCE_LARGE_HEADER) -
7120d02842fSSascha Wildner AmlResource->Gpio.PinTableOffset;
7130d02842fSSascha Wildner }
7140d02842fSSascha Wildner break;
7150d02842fSSascha Wildner
7161093ca81SSascha Wildner case ACPI_RESOURCE_NAME_PIN_FUNCTION:
7171093ca81SSascha Wildner
7181093ca81SSascha Wildner /* Vendor data is optional */
7191093ca81SSascha Wildner
7201093ca81SSascha Wildner if (AmlResource->PinFunction.VendorLength)
7211093ca81SSascha Wildner {
7221093ca81SSascha Wildner ExtraStructBytes +=
7231093ca81SSascha Wildner AmlResource->PinFunction.VendorOffset -
7241093ca81SSascha Wildner AmlResource->PinFunction.PinTableOffset +
7251093ca81SSascha Wildner AmlResource->PinFunction.VendorLength;
7261093ca81SSascha Wildner }
7271093ca81SSascha Wildner else
7281093ca81SSascha Wildner {
7291093ca81SSascha Wildner ExtraStructBytes +=
7301093ca81SSascha Wildner AmlResource->LargeHeader.ResourceLength +
7311093ca81SSascha Wildner sizeof (AML_RESOURCE_LARGE_HEADER) -
7321093ca81SSascha Wildner AmlResource->PinFunction.PinTableOffset;
7331093ca81SSascha Wildner }
7341093ca81SSascha Wildner break;
7351093ca81SSascha Wildner
7360d02842fSSascha Wildner case ACPI_RESOURCE_NAME_SERIAL_BUS:
7370d02842fSSascha Wildner
7380d02842fSSascha Wildner MinimumAmlResourceLength = AcpiGbl_ResourceAmlSerialBusSizes[
7390d02842fSSascha Wildner AmlResource->CommonSerialBus.Type];
740820c5b08SSascha Wildner ExtraStructBytes +=
741820c5b08SSascha Wildner AmlResource->CommonSerialBus.ResourceLength -
7420d02842fSSascha Wildner MinimumAmlResourceLength;
7430d02842fSSascha Wildner break;
7440d02842fSSascha Wildner
7451093ca81SSascha Wildner case ACPI_RESOURCE_NAME_PIN_CONFIG:
7461093ca81SSascha Wildner
7471093ca81SSascha Wildner /* Vendor data is optional */
7481093ca81SSascha Wildner
7491093ca81SSascha Wildner if (AmlResource->PinConfig.VendorLength)
7501093ca81SSascha Wildner {
7511093ca81SSascha Wildner ExtraStructBytes +=
7521093ca81SSascha Wildner AmlResource->PinConfig.VendorOffset -
7531093ca81SSascha Wildner AmlResource->PinConfig.PinTableOffset +
7541093ca81SSascha Wildner AmlResource->PinConfig.VendorLength;
7551093ca81SSascha Wildner }
7561093ca81SSascha Wildner else
7571093ca81SSascha Wildner {
7581093ca81SSascha Wildner ExtraStructBytes +=
7591093ca81SSascha Wildner AmlResource->LargeHeader.ResourceLength +
7601093ca81SSascha Wildner sizeof (AML_RESOURCE_LARGE_HEADER) -
7611093ca81SSascha Wildner AmlResource->PinConfig.PinTableOffset;
7621093ca81SSascha Wildner }
7631093ca81SSascha Wildner break;
7641093ca81SSascha Wildner
7651093ca81SSascha Wildner case ACPI_RESOURCE_NAME_PIN_GROUP:
7661093ca81SSascha Wildner
7671093ca81SSascha Wildner ExtraStructBytes +=
7681093ca81SSascha Wildner AmlResource->PinGroup.VendorOffset -
7691093ca81SSascha Wildner AmlResource->PinGroup.PinTableOffset +
7701093ca81SSascha Wildner AmlResource->PinGroup.VendorLength;
7711093ca81SSascha Wildner
7721093ca81SSascha Wildner break;
7731093ca81SSascha Wildner
7741093ca81SSascha Wildner case ACPI_RESOURCE_NAME_PIN_GROUP_FUNCTION:
7751093ca81SSascha Wildner
7761093ca81SSascha Wildner ExtraStructBytes +=
7771093ca81SSascha Wildner AmlResource->PinGroupFunction.VendorOffset -
7781093ca81SSascha Wildner AmlResource->PinGroupFunction.ResSourceOffset +
7791093ca81SSascha Wildner AmlResource->PinGroupFunction.VendorLength;
7801093ca81SSascha Wildner
7811093ca81SSascha Wildner break;
7821093ca81SSascha Wildner
7831093ca81SSascha Wildner case ACPI_RESOURCE_NAME_PIN_GROUP_CONFIG:
7841093ca81SSascha Wildner
7851093ca81SSascha Wildner ExtraStructBytes +=
7861093ca81SSascha Wildner AmlResource->PinGroupConfig.VendorOffset -
7871093ca81SSascha Wildner AmlResource->PinGroupConfig.ResSourceOffset +
7881093ca81SSascha Wildner AmlResource->PinGroupConfig.VendorLength;
7891093ca81SSascha Wildner
7901093ca81SSascha Wildner break;
7911093ca81SSascha Wildner
7920d02842fSSascha Wildner default:
7930d02842fSSascha Wildner
7940d02842fSSascha Wildner break;
7950d02842fSSascha Wildner }
7960d02842fSSascha Wildner
7970d02842fSSascha Wildner /*
7980d02842fSSascha Wildner * Update the required buffer size for the internal descriptor structs
7990d02842fSSascha Wildner *
8000d02842fSSascha Wildner * Important: Round the size up for the appropriate alignment. This
8010d02842fSSascha Wildner * is a requirement on IA64.
8020d02842fSSascha Wildner */
803820c5b08SSascha Wildner if (AcpiUtGetResourceType (AmlBuffer) ==
804820c5b08SSascha Wildner ACPI_RESOURCE_NAME_SERIAL_BUS)
8050d02842fSSascha Wildner {
8060d02842fSSascha Wildner BufferSize = AcpiGbl_ResourceStructSerialBusSizes[
8070d02842fSSascha Wildner AmlResource->CommonSerialBus.Type] + ExtraStructBytes;
8080d02842fSSascha Wildner }
8090d02842fSSascha Wildner else
8100d02842fSSascha Wildner {
8110d02842fSSascha Wildner BufferSize = AcpiGbl_ResourceStructSizes[ResourceIndex] +
8120d02842fSSascha Wildner ExtraStructBytes;
8130d02842fSSascha Wildner }
8140d02842fSSascha Wildner
815820c5b08SSascha Wildner BufferSize = (UINT32) ACPI_ROUND_UP_TO_NATIVE_WORD (BufferSize);
8160d02842fSSascha Wildner *SizeNeeded += BufferSize;
8170d02842fSSascha Wildner
8180d02842fSSascha Wildner ACPI_DEBUG_PRINT ((ACPI_DB_RESOURCES,
819*01d5d5dfSSascha Wildner "Type %.2X, AmlLength %.2X InternalLength %.2X%8X\n",
8200d02842fSSascha Wildner AcpiUtGetResourceType (AmlBuffer),
821*01d5d5dfSSascha Wildner AcpiUtGetDescriptorLength (AmlBuffer), ACPI_FORMAT_UINT64(*SizeNeeded)));
8220d02842fSSascha Wildner
8230d02842fSSascha Wildner /*
8240d02842fSSascha Wildner * Point to the next resource within the AML stream using the length
8250d02842fSSascha Wildner * contained in the resource descriptor header
8260d02842fSSascha Wildner */
8270d02842fSSascha Wildner AmlBuffer += AcpiUtGetDescriptorLength (AmlBuffer);
8280d02842fSSascha Wildner }
8290d02842fSSascha Wildner
8300d02842fSSascha Wildner /* Did not find an EndTag resource descriptor */
8310d02842fSSascha Wildner
8320d02842fSSascha Wildner return_ACPI_STATUS (AE_AML_NO_RESOURCE_END_TAG);
8330d02842fSSascha Wildner }
8340d02842fSSascha Wildner
8350d02842fSSascha Wildner
8360d02842fSSascha Wildner /*******************************************************************************
8370d02842fSSascha Wildner *
8380d02842fSSascha Wildner * FUNCTION: AcpiRsGetPciRoutingTableLength
8390d02842fSSascha Wildner *
8400d02842fSSascha Wildner * PARAMETERS: PackageObject - Pointer to the package object
8410d02842fSSascha Wildner * BufferSizeNeeded - UINT32 pointer of the size buffer
8420d02842fSSascha Wildner * needed to properly return the
8430d02842fSSascha Wildner * parsed data
8440d02842fSSascha Wildner *
8450d02842fSSascha Wildner * RETURN: Status
8460d02842fSSascha Wildner *
8470d02842fSSascha Wildner * DESCRIPTION: Given a package representing a PCI routing table, this
8480d02842fSSascha Wildner * calculates the size of the corresponding linked list of
8490d02842fSSascha Wildner * descriptions.
8500d02842fSSascha Wildner *
8510d02842fSSascha Wildner ******************************************************************************/
8520d02842fSSascha Wildner
8530d02842fSSascha Wildner ACPI_STATUS
AcpiRsGetPciRoutingTableLength(ACPI_OPERAND_OBJECT * PackageObject,ACPI_SIZE * BufferSizeNeeded)8540d02842fSSascha Wildner AcpiRsGetPciRoutingTableLength (
8550d02842fSSascha Wildner ACPI_OPERAND_OBJECT *PackageObject,
8560d02842fSSascha Wildner ACPI_SIZE *BufferSizeNeeded)
8570d02842fSSascha Wildner {
8580d02842fSSascha Wildner UINT32 NumberOfElements;
8590d02842fSSascha Wildner ACPI_SIZE TempSizeNeeded = 0;
8600d02842fSSascha Wildner ACPI_OPERAND_OBJECT **TopObjectList;
8610d02842fSSascha Wildner UINT32 Index;
8620d02842fSSascha Wildner ACPI_OPERAND_OBJECT *PackageElement;
8630d02842fSSascha Wildner ACPI_OPERAND_OBJECT **SubObjectList;
8640d02842fSSascha Wildner BOOLEAN NameFound;
8650d02842fSSascha Wildner UINT32 TableIndex;
8660d02842fSSascha Wildner
8670d02842fSSascha Wildner
8680d02842fSSascha Wildner ACPI_FUNCTION_TRACE (RsGetPciRoutingTableLength);
8690d02842fSSascha Wildner
8700d02842fSSascha Wildner
8710d02842fSSascha Wildner NumberOfElements = PackageObject->Package.Count;
8720d02842fSSascha Wildner
8730d02842fSSascha Wildner /*
8740d02842fSSascha Wildner * Calculate the size of the return buffer.
8750d02842fSSascha Wildner * The base size is the number of elements * the sizes of the
8760d02842fSSascha Wildner * structures. Additional space for the strings is added below.
8770d02842fSSascha Wildner * The minus one is to subtract the size of the UINT8 Source[1]
8780d02842fSSascha Wildner * member because it is added below.
8790d02842fSSascha Wildner *
8800d02842fSSascha Wildner * But each PRT_ENTRY structure has a pointer to a string and
8810d02842fSSascha Wildner * the size of that string must be found.
8820d02842fSSascha Wildner */
8830d02842fSSascha Wildner TopObjectList = PackageObject->Package.Elements;
8840d02842fSSascha Wildner
8850d02842fSSascha Wildner for (Index = 0; Index < NumberOfElements; Index++)
8860d02842fSSascha Wildner {
8876a0135c2SSascha Wildner /* Dereference the subpackage */
8880d02842fSSascha Wildner
8890d02842fSSascha Wildner PackageElement = *TopObjectList;
8900d02842fSSascha Wildner
8910d02842fSSascha Wildner /* We must have a valid Package object */
8920d02842fSSascha Wildner
8930d02842fSSascha Wildner if (!PackageElement ||
8940d02842fSSascha Wildner (PackageElement->Common.Type != ACPI_TYPE_PACKAGE))
8950d02842fSSascha Wildner {
8960d02842fSSascha Wildner return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
8970d02842fSSascha Wildner }
8980d02842fSSascha Wildner
8990d02842fSSascha Wildner /*
9000d02842fSSascha Wildner * The SubObjectList will now point to an array of the
9010d02842fSSascha Wildner * four IRQ elements: Address, Pin, Source and SourceIndex
9020d02842fSSascha Wildner */
9030d02842fSSascha Wildner SubObjectList = PackageElement->Package.Elements;
9040d02842fSSascha Wildner
9050d02842fSSascha Wildner /* Scan the IrqTableElements for the Source Name String */
9060d02842fSSascha Wildner
9070d02842fSSascha Wildner NameFound = FALSE;
9080d02842fSSascha Wildner
9090d02842fSSascha Wildner for (TableIndex = 0;
9100d02842fSSascha Wildner TableIndex < PackageElement->Package.Count && !NameFound;
9110d02842fSSascha Wildner TableIndex++)
9120d02842fSSascha Wildner {
9130d02842fSSascha Wildner if (*SubObjectList && /* Null object allowed */
9140d02842fSSascha Wildner
9150d02842fSSascha Wildner ((ACPI_TYPE_STRING ==
9160d02842fSSascha Wildner (*SubObjectList)->Common.Type) ||
9170d02842fSSascha Wildner
9180d02842fSSascha Wildner ((ACPI_TYPE_LOCAL_REFERENCE ==
9190d02842fSSascha Wildner (*SubObjectList)->Common.Type) &&
9200d02842fSSascha Wildner
9210d02842fSSascha Wildner ((*SubObjectList)->Reference.Class ==
9220d02842fSSascha Wildner ACPI_REFCLASS_NAME))))
9230d02842fSSascha Wildner {
9240d02842fSSascha Wildner NameFound = TRUE;
9250d02842fSSascha Wildner }
9260d02842fSSascha Wildner else
9270d02842fSSascha Wildner {
9280d02842fSSascha Wildner /* Look at the next element */
9290d02842fSSascha Wildner
9300d02842fSSascha Wildner SubObjectList++;
9310d02842fSSascha Wildner }
9320d02842fSSascha Wildner }
9330d02842fSSascha Wildner
9340d02842fSSascha Wildner TempSizeNeeded += (sizeof (ACPI_PCI_ROUTING_TABLE) - 4);
9350d02842fSSascha Wildner
9360d02842fSSascha Wildner /* Was a String type found? */
9370d02842fSSascha Wildner
9380d02842fSSascha Wildner if (NameFound)
9390d02842fSSascha Wildner {
9400d02842fSSascha Wildner if ((*SubObjectList)->Common.Type == ACPI_TYPE_STRING)
9410d02842fSSascha Wildner {
9420d02842fSSascha Wildner /*
9430d02842fSSascha Wildner * The length String.Length field does not include the
9440d02842fSSascha Wildner * terminating NULL, add 1
9450d02842fSSascha Wildner */
9460d02842fSSascha Wildner TempSizeNeeded += ((ACPI_SIZE)
9470d02842fSSascha Wildner (*SubObjectList)->String.Length + 1);
9480d02842fSSascha Wildner }
9490d02842fSSascha Wildner else
9500d02842fSSascha Wildner {
9510d02842fSSascha Wildner TempSizeNeeded += AcpiNsGetPathnameLength (
9520d02842fSSascha Wildner (*SubObjectList)->Reference.Node);
9530d02842fSSascha Wildner }
9540d02842fSSascha Wildner }
9550d02842fSSascha Wildner else
9560d02842fSSascha Wildner {
9570d02842fSSascha Wildner /*
9580d02842fSSascha Wildner * If no name was found, then this is a NULL, which is
9590d02842fSSascha Wildner * translated as a UINT32 zero.
9600d02842fSSascha Wildner */
9610d02842fSSascha Wildner TempSizeNeeded += sizeof (UINT32);
9620d02842fSSascha Wildner }
9630d02842fSSascha Wildner
9640d02842fSSascha Wildner /* Round up the size since each element must be aligned */
9650d02842fSSascha Wildner
9660d02842fSSascha Wildner TempSizeNeeded = ACPI_ROUND_UP_TO_64BIT (TempSizeNeeded);
9670d02842fSSascha Wildner
9680d02842fSSascha Wildner /* Point to the next ACPI_OPERAND_OBJECT */
9690d02842fSSascha Wildner
9700d02842fSSascha Wildner TopObjectList++;
9710d02842fSSascha Wildner }
9720d02842fSSascha Wildner
9730d02842fSSascha Wildner /*
9740d02842fSSascha Wildner * Add an extra element to the end of the list, essentially a
9750d02842fSSascha Wildner * NULL terminator
9760d02842fSSascha Wildner */
9770d02842fSSascha Wildner *BufferSizeNeeded = TempSizeNeeded + sizeof (ACPI_PCI_ROUTING_TABLE);
9780d02842fSSascha Wildner return_ACPI_STATUS (AE_OK);
9790d02842fSSascha Wildner }
980