17b1019a6SJerry Jelinek /******************************************************************************
27b1019a6SJerry Jelinek *
37b1019a6SJerry Jelinek * Module Name: nsprepkg - Validation of package objects for predefined names
47b1019a6SJerry Jelinek *
57b1019a6SJerry Jelinek *****************************************************************************/
67b1019a6SJerry Jelinek
7*35786f68SRobert Mustacchi /******************************************************************************
8*35786f68SRobert Mustacchi *
9*35786f68SRobert Mustacchi * 1. Copyright Notice
10*35786f68SRobert Mustacchi *
11*35786f68SRobert Mustacchi * Some or all of this work - Copyright (c) 1999 - 2018, Intel Corp.
127b1019a6SJerry Jelinek * All rights reserved.
137b1019a6SJerry Jelinek *
14*35786f68SRobert Mustacchi * 2. License
15*35786f68SRobert Mustacchi *
16*35786f68SRobert Mustacchi * 2.1. This is your license from Intel Corp. under its intellectual property
17*35786f68SRobert Mustacchi * rights. You may have additional license terms from the party that provided
18*35786f68SRobert Mustacchi * you this software, covering your right to use that party's intellectual
19*35786f68SRobert Mustacchi * property rights.
20*35786f68SRobert Mustacchi *
21*35786f68SRobert Mustacchi * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22*35786f68SRobert Mustacchi * copy of the source code appearing in this file ("Covered Code") an
23*35786f68SRobert Mustacchi * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24*35786f68SRobert Mustacchi * base code distributed originally by Intel ("Original Intel Code") to copy,
25*35786f68SRobert Mustacchi * make derivatives, distribute, use and display any portion of the Covered
26*35786f68SRobert Mustacchi * Code in any form, with the right to sublicense such rights; and
27*35786f68SRobert Mustacchi *
28*35786f68SRobert Mustacchi * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29*35786f68SRobert Mustacchi * license (with the right to sublicense), under only those claims of Intel
30*35786f68SRobert Mustacchi * patents that are infringed by the Original Intel Code, to make, use, sell,
31*35786f68SRobert Mustacchi * offer to sell, and import the Covered Code and derivative works thereof
32*35786f68SRobert Mustacchi * solely to the minimum extent necessary to exercise the above copyright
33*35786f68SRobert Mustacchi * license, and in no event shall the patent license extend to any additions
34*35786f68SRobert Mustacchi * to or modifications of the Original Intel Code. No other license or right
35*35786f68SRobert Mustacchi * is granted directly or by implication, estoppel or otherwise;
36*35786f68SRobert Mustacchi *
37*35786f68SRobert Mustacchi * The above copyright and patent license is granted only if the following
38*35786f68SRobert Mustacchi * conditions are met:
39*35786f68SRobert Mustacchi *
40*35786f68SRobert Mustacchi * 3. Conditions
41*35786f68SRobert Mustacchi *
42*35786f68SRobert Mustacchi * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43*35786f68SRobert Mustacchi * Redistribution of source code of any substantial portion of the Covered
44*35786f68SRobert Mustacchi * Code or modification with rights to further distribute source must include
45*35786f68SRobert Mustacchi * the above Copyright Notice, the above License, this list of Conditions,
46*35786f68SRobert Mustacchi * and the following Disclaimer and Export Compliance provision. In addition,
47*35786f68SRobert Mustacchi * Licensee must cause all Covered Code to which Licensee contributes to
48*35786f68SRobert Mustacchi * contain a file documenting the changes Licensee made to create that Covered
49*35786f68SRobert Mustacchi * Code and the date of any change. Licensee must include in that file the
50*35786f68SRobert Mustacchi * documentation of any changes made by any predecessor Licensee. Licensee
51*35786f68SRobert Mustacchi * must include a prominent statement that the modification is derived,
52*35786f68SRobert Mustacchi * directly or indirectly, from Original Intel Code.
53*35786f68SRobert Mustacchi *
54*35786f68SRobert Mustacchi * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55*35786f68SRobert Mustacchi * Redistribution of source code of any substantial portion of the Covered
56*35786f68SRobert Mustacchi * Code or modification without rights to further distribute source must
57*35786f68SRobert Mustacchi * include the following Disclaimer and Export Compliance provision in the
58*35786f68SRobert Mustacchi * documentation and/or other materials provided with distribution. In
59*35786f68SRobert Mustacchi * addition, Licensee may not authorize further sublicense of source of any
60*35786f68SRobert Mustacchi * portion of the Covered Code, and must include terms to the effect that the
61*35786f68SRobert Mustacchi * license from Licensee to its licensee is limited to the intellectual
62*35786f68SRobert Mustacchi * property embodied in the software Licensee provides to its licensee, and
63*35786f68SRobert Mustacchi * not to intellectual property embodied in modifications its licensee may
64*35786f68SRobert Mustacchi * make.
65*35786f68SRobert Mustacchi *
66*35786f68SRobert Mustacchi * 3.3. Redistribution of Executable. Redistribution in executable form of any
67*35786f68SRobert Mustacchi * substantial portion of the Covered Code or modification must reproduce the
68*35786f68SRobert Mustacchi * above Copyright Notice, and the following Disclaimer and Export Compliance
69*35786f68SRobert Mustacchi * provision in the documentation and/or other materials provided with the
70*35786f68SRobert Mustacchi * distribution.
71*35786f68SRobert Mustacchi *
72*35786f68SRobert Mustacchi * 3.4. Intel retains all right, title, and interest in and to the Original
73*35786f68SRobert Mustacchi * Intel Code.
74*35786f68SRobert Mustacchi *
75*35786f68SRobert Mustacchi * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76*35786f68SRobert Mustacchi * Intel shall be used in advertising or otherwise to promote the sale, use or
77*35786f68SRobert Mustacchi * other dealings in products derived from or relating to the Covered Code
78*35786f68SRobert Mustacchi * without prior written authorization from Intel.
79*35786f68SRobert Mustacchi *
80*35786f68SRobert Mustacchi * 4. Disclaimer and Export Compliance
81*35786f68SRobert Mustacchi *
82*35786f68SRobert Mustacchi * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83*35786f68SRobert Mustacchi * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84*35786f68SRobert Mustacchi * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85*35786f68SRobert Mustacchi * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86*35786f68SRobert Mustacchi * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87*35786f68SRobert Mustacchi * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
88*35786f68SRobert Mustacchi * PARTICULAR PURPOSE.
89*35786f68SRobert Mustacchi *
90*35786f68SRobert Mustacchi * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91*35786f68SRobert Mustacchi * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92*35786f68SRobert Mustacchi * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93*35786f68SRobert Mustacchi * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94*35786f68SRobert Mustacchi * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95*35786f68SRobert Mustacchi * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96*35786f68SRobert Mustacchi * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
97*35786f68SRobert Mustacchi * LIMITED REMEDY.
98*35786f68SRobert Mustacchi *
99*35786f68SRobert Mustacchi * 4.3. Licensee shall not export, either directly or indirectly, any of this
100*35786f68SRobert Mustacchi * software or system incorporating such software without first obtaining any
101*35786f68SRobert Mustacchi * required license or other approval from the U. S. Department of Commerce or
102*35786f68SRobert Mustacchi * any other agency or department of the United States Government. In the
103*35786f68SRobert Mustacchi * event Licensee exports any such software from the United States or
104*35786f68SRobert Mustacchi * re-exports any such software from a foreign destination, Licensee shall
105*35786f68SRobert Mustacchi * ensure that the distribution and export/re-export of the software is in
106*35786f68SRobert Mustacchi * compliance with all laws, regulations, orders, or other restrictions of the
107*35786f68SRobert Mustacchi * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108*35786f68SRobert Mustacchi * any of its subsidiaries will export/re-export any technical data, process,
109*35786f68SRobert Mustacchi * software, or service, directly or indirectly, to any country for which the
110*35786f68SRobert Mustacchi * United States government or any agency thereof requires an export license,
111*35786f68SRobert Mustacchi * other governmental approval, or letter of assurance, without first obtaining
112*35786f68SRobert Mustacchi * such license, approval or letter.
113*35786f68SRobert Mustacchi *
114*35786f68SRobert Mustacchi *****************************************************************************
115*35786f68SRobert Mustacchi *
116*35786f68SRobert Mustacchi * Alternatively, you may choose to be licensed under the terms of the
117*35786f68SRobert Mustacchi * following license:
118*35786f68SRobert Mustacchi *
1197b1019a6SJerry Jelinek * Redistribution and use in source and binary forms, with or without
1207b1019a6SJerry Jelinek * modification, are permitted provided that the following conditions
1217b1019a6SJerry Jelinek * are met:
1227b1019a6SJerry Jelinek * 1. Redistributions of source code must retain the above copyright
1237b1019a6SJerry Jelinek * notice, this list of conditions, and the following disclaimer,
1247b1019a6SJerry Jelinek * without modification.
1257b1019a6SJerry Jelinek * 2. Redistributions in binary form must reproduce at minimum a disclaimer
1267b1019a6SJerry Jelinek * substantially similar to the "NO WARRANTY" disclaimer below
1277b1019a6SJerry Jelinek * ("Disclaimer") and any redistribution must be conditioned upon
1287b1019a6SJerry Jelinek * including a substantially similar Disclaimer requirement for further
1297b1019a6SJerry Jelinek * binary redistribution.
1307b1019a6SJerry Jelinek * 3. Neither the names of the above-listed copyright holders nor the names
1317b1019a6SJerry Jelinek * of any contributors may be used to endorse or promote products derived
1327b1019a6SJerry Jelinek * from this software without specific prior written permission.
1337b1019a6SJerry Jelinek *
1347b1019a6SJerry Jelinek * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1357b1019a6SJerry Jelinek * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136*35786f68SRobert Mustacchi * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
1377b1019a6SJerry Jelinek * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138*35786f68SRobert Mustacchi * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139*35786f68SRobert Mustacchi * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140*35786f68SRobert Mustacchi * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141*35786f68SRobert Mustacchi * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142*35786f68SRobert Mustacchi * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143*35786f68SRobert Mustacchi * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144*35786f68SRobert Mustacchi * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
145*35786f68SRobert Mustacchi *
146*35786f68SRobert Mustacchi * Alternatively, you may choose to be licensed under the terms of the
147*35786f68SRobert Mustacchi * GNU General Public License ("GPL") version 2 as published by the Free
148*35786f68SRobert Mustacchi * Software Foundation.
149*35786f68SRobert Mustacchi *
150*35786f68SRobert Mustacchi *****************************************************************************/
1517b1019a6SJerry Jelinek
1527b1019a6SJerry Jelinek #include "acpi.h"
1537b1019a6SJerry Jelinek #include "accommon.h"
1547b1019a6SJerry Jelinek #include "acnamesp.h"
1557b1019a6SJerry Jelinek #include "acpredef.h"
1567b1019a6SJerry Jelinek
1577b1019a6SJerry Jelinek
1587b1019a6SJerry Jelinek #define _COMPONENT ACPI_NAMESPACE
1597b1019a6SJerry Jelinek ACPI_MODULE_NAME ("nsprepkg")
1607b1019a6SJerry Jelinek
1617b1019a6SJerry Jelinek
1627b1019a6SJerry Jelinek /* Local prototypes */
1637b1019a6SJerry Jelinek
1647b1019a6SJerry Jelinek static ACPI_STATUS
1657b1019a6SJerry Jelinek AcpiNsCheckPackageList (
1667b1019a6SJerry Jelinek ACPI_EVALUATE_INFO *Info,
1677b1019a6SJerry Jelinek const ACPI_PREDEFINED_INFO *Package,
1687b1019a6SJerry Jelinek ACPI_OPERAND_OBJECT **Elements,
1697b1019a6SJerry Jelinek UINT32 Count);
1707b1019a6SJerry Jelinek
1717b1019a6SJerry Jelinek static ACPI_STATUS
1727b1019a6SJerry Jelinek AcpiNsCheckPackageElements (
1737b1019a6SJerry Jelinek ACPI_EVALUATE_INFO *Info,
1747b1019a6SJerry Jelinek ACPI_OPERAND_OBJECT **Elements,
1757b1019a6SJerry Jelinek UINT8 Type1,
1767b1019a6SJerry Jelinek UINT32 Count1,
1777b1019a6SJerry Jelinek UINT8 Type2,
1787b1019a6SJerry Jelinek UINT32 Count2,
1797b1019a6SJerry Jelinek UINT32 StartIndex);
1807b1019a6SJerry Jelinek
1817b1019a6SJerry Jelinek static ACPI_STATUS
1827b1019a6SJerry Jelinek AcpiNsCustomPackage (
1837b1019a6SJerry Jelinek ACPI_EVALUATE_INFO *Info,
1847b1019a6SJerry Jelinek ACPI_OPERAND_OBJECT **Elements,
1857b1019a6SJerry Jelinek UINT32 Count);
1867b1019a6SJerry Jelinek
1877b1019a6SJerry Jelinek
1887b1019a6SJerry Jelinek /*******************************************************************************
1897b1019a6SJerry Jelinek *
1907b1019a6SJerry Jelinek * FUNCTION: AcpiNsCheckPackage
1917b1019a6SJerry Jelinek *
1927b1019a6SJerry Jelinek * PARAMETERS: Info - Method execution information block
1937b1019a6SJerry Jelinek * ReturnObjectPtr - Pointer to the object returned from the
1947b1019a6SJerry Jelinek * evaluation of a method or object
1957b1019a6SJerry Jelinek *
1967b1019a6SJerry Jelinek * RETURN: Status
1977b1019a6SJerry Jelinek *
1987b1019a6SJerry Jelinek * DESCRIPTION: Check a returned package object for the correct count and
1997b1019a6SJerry Jelinek * correct type of all sub-objects.
2007b1019a6SJerry Jelinek *
2017b1019a6SJerry Jelinek ******************************************************************************/
2027b1019a6SJerry Jelinek
2037b1019a6SJerry Jelinek ACPI_STATUS
AcpiNsCheckPackage(ACPI_EVALUATE_INFO * Info,ACPI_OPERAND_OBJECT ** ReturnObjectPtr)2047b1019a6SJerry Jelinek AcpiNsCheckPackage (
2057b1019a6SJerry Jelinek ACPI_EVALUATE_INFO *Info,
2067b1019a6SJerry Jelinek ACPI_OPERAND_OBJECT **ReturnObjectPtr)
2077b1019a6SJerry Jelinek {
2087b1019a6SJerry Jelinek ACPI_OPERAND_OBJECT *ReturnObject = *ReturnObjectPtr;
2097b1019a6SJerry Jelinek const ACPI_PREDEFINED_INFO *Package;
2107b1019a6SJerry Jelinek ACPI_OPERAND_OBJECT **Elements;
2117b1019a6SJerry Jelinek ACPI_STATUS Status = AE_OK;
2127b1019a6SJerry Jelinek UINT32 ExpectedCount;
2137b1019a6SJerry Jelinek UINT32 Count;
2147b1019a6SJerry Jelinek UINT32 i;
2157b1019a6SJerry Jelinek
2167b1019a6SJerry Jelinek
2177b1019a6SJerry Jelinek ACPI_FUNCTION_NAME (NsCheckPackage);
2187b1019a6SJerry Jelinek
2197b1019a6SJerry Jelinek
2207b1019a6SJerry Jelinek /* The package info for this name is in the next table entry */
2217b1019a6SJerry Jelinek
2227b1019a6SJerry Jelinek Package = Info->Predefined + 1;
2237b1019a6SJerry Jelinek
2247b1019a6SJerry Jelinek ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
2257b1019a6SJerry Jelinek "%s Validating return Package of Type %X, Count %X\n",
2267b1019a6SJerry Jelinek Info->FullPathname, Package->RetInfo.Type,
2277b1019a6SJerry Jelinek ReturnObject->Package.Count));
2287b1019a6SJerry Jelinek
2297b1019a6SJerry Jelinek /*
2307b1019a6SJerry Jelinek * For variable-length Packages, we can safely remove all embedded
2317b1019a6SJerry Jelinek * and trailing NULL package elements
2327b1019a6SJerry Jelinek */
2337b1019a6SJerry Jelinek AcpiNsRemoveNullElements (Info, Package->RetInfo.Type, ReturnObject);
2347b1019a6SJerry Jelinek
2357b1019a6SJerry Jelinek /* Extract package count and elements array */
2367b1019a6SJerry Jelinek
2377b1019a6SJerry Jelinek Elements = ReturnObject->Package.Elements;
2387b1019a6SJerry Jelinek Count = ReturnObject->Package.Count;
2397b1019a6SJerry Jelinek
2407b1019a6SJerry Jelinek /*
2417b1019a6SJerry Jelinek * Most packages must have at least one element. The only exception
2427b1019a6SJerry Jelinek * is the variable-length package (ACPI_PTYPE1_VAR).
2437b1019a6SJerry Jelinek */
2447b1019a6SJerry Jelinek if (!Count)
2457b1019a6SJerry Jelinek {
2467b1019a6SJerry Jelinek if (Package->RetInfo.Type == ACPI_PTYPE1_VAR)
2477b1019a6SJerry Jelinek {
2487b1019a6SJerry Jelinek return (AE_OK);
2497b1019a6SJerry Jelinek }
2507b1019a6SJerry Jelinek
2517b1019a6SJerry Jelinek ACPI_WARN_PREDEFINED ((AE_INFO, Info->FullPathname, Info->NodeFlags,
2527b1019a6SJerry Jelinek "Return Package has no elements (empty)"));
2537b1019a6SJerry Jelinek
2547b1019a6SJerry Jelinek return (AE_AML_OPERAND_VALUE);
2557b1019a6SJerry Jelinek }
2567b1019a6SJerry Jelinek
2577b1019a6SJerry Jelinek /*
2587b1019a6SJerry Jelinek * Decode the type of the expected package contents
2597b1019a6SJerry Jelinek *
2607b1019a6SJerry Jelinek * PTYPE1 packages contain no subpackages
2617b1019a6SJerry Jelinek * PTYPE2 packages contain subpackages
2627b1019a6SJerry Jelinek */
2637b1019a6SJerry Jelinek switch (Package->RetInfo.Type)
2647b1019a6SJerry Jelinek {
2657b1019a6SJerry Jelinek case ACPI_PTYPE_CUSTOM:
2667b1019a6SJerry Jelinek
2677b1019a6SJerry Jelinek Status = AcpiNsCustomPackage (Info, Elements, Count);
2687b1019a6SJerry Jelinek break;
2697b1019a6SJerry Jelinek
2707b1019a6SJerry Jelinek case ACPI_PTYPE1_FIXED:
2717b1019a6SJerry Jelinek /*
2727b1019a6SJerry Jelinek * The package count is fixed and there are no subpackages
2737b1019a6SJerry Jelinek *
2747b1019a6SJerry Jelinek * If package is too small, exit.
2757b1019a6SJerry Jelinek * If package is larger than expected, issue warning but continue
2767b1019a6SJerry Jelinek */
2777b1019a6SJerry Jelinek ExpectedCount = Package->RetInfo.Count1 + Package->RetInfo.Count2;
2787b1019a6SJerry Jelinek if (Count < ExpectedCount)
2797b1019a6SJerry Jelinek {
2807b1019a6SJerry Jelinek goto PackageTooSmall;
2817b1019a6SJerry Jelinek }
2827b1019a6SJerry Jelinek else if (Count > ExpectedCount)
2837b1019a6SJerry Jelinek {
2847b1019a6SJerry Jelinek ACPI_DEBUG_PRINT ((ACPI_DB_REPAIR,
2857b1019a6SJerry Jelinek "%s: Return Package is larger than needed - "
2867b1019a6SJerry Jelinek "found %u, expected %u\n",
2877b1019a6SJerry Jelinek Info->FullPathname, Count, ExpectedCount));
2887b1019a6SJerry Jelinek }
2897b1019a6SJerry Jelinek
2907b1019a6SJerry Jelinek /* Validate all elements of the returned package */
2917b1019a6SJerry Jelinek
2927b1019a6SJerry Jelinek Status = AcpiNsCheckPackageElements (Info, Elements,
2937b1019a6SJerry Jelinek Package->RetInfo.ObjectType1, Package->RetInfo.Count1,
2947b1019a6SJerry Jelinek Package->RetInfo.ObjectType2, Package->RetInfo.Count2, 0);
2957b1019a6SJerry Jelinek break;
2967b1019a6SJerry Jelinek
2977b1019a6SJerry Jelinek case ACPI_PTYPE1_VAR:
2987b1019a6SJerry Jelinek /*
2997b1019a6SJerry Jelinek * The package count is variable, there are no subpackages, and all
3007b1019a6SJerry Jelinek * elements must be of the same type
3017b1019a6SJerry Jelinek */
3027b1019a6SJerry Jelinek for (i = 0; i < Count; i++)
3037b1019a6SJerry Jelinek {
3047b1019a6SJerry Jelinek Status = AcpiNsCheckObjectType (Info, Elements,
3057b1019a6SJerry Jelinek Package->RetInfo.ObjectType1, i);
3067b1019a6SJerry Jelinek if (ACPI_FAILURE (Status))
3077b1019a6SJerry Jelinek {
3087b1019a6SJerry Jelinek return (Status);
3097b1019a6SJerry Jelinek }
3107b1019a6SJerry Jelinek
3117b1019a6SJerry Jelinek Elements++;
3127b1019a6SJerry Jelinek }
3137b1019a6SJerry Jelinek break;
3147b1019a6SJerry Jelinek
3157b1019a6SJerry Jelinek case ACPI_PTYPE1_OPTION:
3167b1019a6SJerry Jelinek /*
3177b1019a6SJerry Jelinek * The package count is variable, there are no subpackages. There are
3187b1019a6SJerry Jelinek * a fixed number of required elements, and a variable number of
3197b1019a6SJerry Jelinek * optional elements.
3207b1019a6SJerry Jelinek *
3217b1019a6SJerry Jelinek * Check if package is at least as large as the minimum required
3227b1019a6SJerry Jelinek */
3237b1019a6SJerry Jelinek ExpectedCount = Package->RetInfo3.Count;
3247b1019a6SJerry Jelinek if (Count < ExpectedCount)
3257b1019a6SJerry Jelinek {
3267b1019a6SJerry Jelinek goto PackageTooSmall;
3277b1019a6SJerry Jelinek }
3287b1019a6SJerry Jelinek
3297b1019a6SJerry Jelinek /* Variable number of sub-objects */
3307b1019a6SJerry Jelinek
3317b1019a6SJerry Jelinek for (i = 0; i < Count; i++)
3327b1019a6SJerry Jelinek {
3337b1019a6SJerry Jelinek if (i < Package->RetInfo3.Count)
3347b1019a6SJerry Jelinek {
3357b1019a6SJerry Jelinek /* These are the required package elements (0, 1, or 2) */
3367b1019a6SJerry Jelinek
3377b1019a6SJerry Jelinek Status = AcpiNsCheckObjectType (Info, Elements,
3387b1019a6SJerry Jelinek Package->RetInfo3.ObjectType[i], i);
3397b1019a6SJerry Jelinek if (ACPI_FAILURE (Status))
3407b1019a6SJerry Jelinek {
3417b1019a6SJerry Jelinek return (Status);
3427b1019a6SJerry Jelinek }
3437b1019a6SJerry Jelinek }
3447b1019a6SJerry Jelinek else
3457b1019a6SJerry Jelinek {
3467b1019a6SJerry Jelinek /* These are the optional package elements */
3477b1019a6SJerry Jelinek
3487b1019a6SJerry Jelinek Status = AcpiNsCheckObjectType (Info, Elements,
3497b1019a6SJerry Jelinek Package->RetInfo3.TailObjectType, i);
3507b1019a6SJerry Jelinek if (ACPI_FAILURE (Status))
3517b1019a6SJerry Jelinek {
3527b1019a6SJerry Jelinek return (Status);
3537b1019a6SJerry Jelinek }
3547b1019a6SJerry Jelinek }
3557b1019a6SJerry Jelinek
3567b1019a6SJerry Jelinek Elements++;
3577b1019a6SJerry Jelinek }
3587b1019a6SJerry Jelinek break;
3597b1019a6SJerry Jelinek
3607b1019a6SJerry Jelinek case ACPI_PTYPE2_REV_FIXED:
3617b1019a6SJerry Jelinek
3627b1019a6SJerry Jelinek /* First element is the (Integer) revision */
3637b1019a6SJerry Jelinek
3647b1019a6SJerry Jelinek Status = AcpiNsCheckObjectType (
3657b1019a6SJerry Jelinek Info, Elements, ACPI_RTYPE_INTEGER, 0);
3667b1019a6SJerry Jelinek if (ACPI_FAILURE (Status))
3677b1019a6SJerry Jelinek {
3687b1019a6SJerry Jelinek return (Status);
3697b1019a6SJerry Jelinek }
3707b1019a6SJerry Jelinek
3717b1019a6SJerry Jelinek Elements++;
3727b1019a6SJerry Jelinek Count--;
3737b1019a6SJerry Jelinek
3747b1019a6SJerry Jelinek /* Examine the subpackages */
3757b1019a6SJerry Jelinek
3767b1019a6SJerry Jelinek Status = AcpiNsCheckPackageList (Info, Package, Elements, Count);
3777b1019a6SJerry Jelinek break;
3787b1019a6SJerry Jelinek
3797b1019a6SJerry Jelinek case ACPI_PTYPE2_PKG_COUNT:
3807b1019a6SJerry Jelinek
3817b1019a6SJerry Jelinek /* First element is the (Integer) count of subpackages to follow */
3827b1019a6SJerry Jelinek
3837b1019a6SJerry Jelinek Status = AcpiNsCheckObjectType (
3847b1019a6SJerry Jelinek Info, Elements, ACPI_RTYPE_INTEGER, 0);
3857b1019a6SJerry Jelinek if (ACPI_FAILURE (Status))
3867b1019a6SJerry Jelinek {
3877b1019a6SJerry Jelinek return (Status);
3887b1019a6SJerry Jelinek }
3897b1019a6SJerry Jelinek
3907b1019a6SJerry Jelinek /*
3917b1019a6SJerry Jelinek * Count cannot be larger than the parent package length, but allow it
3927b1019a6SJerry Jelinek * to be smaller. The >= accounts for the Integer above.
3937b1019a6SJerry Jelinek */
3947b1019a6SJerry Jelinek ExpectedCount = (UINT32) (*Elements)->Integer.Value;
3957b1019a6SJerry Jelinek if (ExpectedCount >= Count)
3967b1019a6SJerry Jelinek {
3977b1019a6SJerry Jelinek goto PackageTooSmall;
3987b1019a6SJerry Jelinek }
3997b1019a6SJerry Jelinek
4007b1019a6SJerry Jelinek Count = ExpectedCount;
4017b1019a6SJerry Jelinek Elements++;
4027b1019a6SJerry Jelinek
4037b1019a6SJerry Jelinek /* Examine the subpackages */
4047b1019a6SJerry Jelinek
4057b1019a6SJerry Jelinek Status = AcpiNsCheckPackageList (Info, Package, Elements, Count);
4067b1019a6SJerry Jelinek break;
4077b1019a6SJerry Jelinek
4087b1019a6SJerry Jelinek case ACPI_PTYPE2:
4097b1019a6SJerry Jelinek case ACPI_PTYPE2_FIXED:
4107b1019a6SJerry Jelinek case ACPI_PTYPE2_MIN:
4117b1019a6SJerry Jelinek case ACPI_PTYPE2_COUNT:
4127b1019a6SJerry Jelinek case ACPI_PTYPE2_FIX_VAR:
4137b1019a6SJerry Jelinek /*
4147b1019a6SJerry Jelinek * These types all return a single Package that consists of a
4157b1019a6SJerry Jelinek * variable number of subpackages.
4167b1019a6SJerry Jelinek *
4177b1019a6SJerry Jelinek * First, ensure that the first element is a subpackage. If not,
4187b1019a6SJerry Jelinek * the BIOS may have incorrectly returned the object as a single
4197b1019a6SJerry Jelinek * package instead of a Package of Packages (a common error if
4207b1019a6SJerry Jelinek * there is only one entry). We may be able to repair this by
4217b1019a6SJerry Jelinek * wrapping the returned Package with a new outer Package.
4227b1019a6SJerry Jelinek */
4237b1019a6SJerry Jelinek if (*Elements && ((*Elements)->Common.Type != ACPI_TYPE_PACKAGE))
4247b1019a6SJerry Jelinek {
4257b1019a6SJerry Jelinek /* Create the new outer package and populate it */
4267b1019a6SJerry Jelinek
4277b1019a6SJerry Jelinek Status = AcpiNsWrapWithPackage (
4287b1019a6SJerry Jelinek Info, ReturnObject, ReturnObjectPtr);
4297b1019a6SJerry Jelinek if (ACPI_FAILURE (Status))
4307b1019a6SJerry Jelinek {
4317b1019a6SJerry Jelinek return (Status);
4327b1019a6SJerry Jelinek }
4337b1019a6SJerry Jelinek
4347b1019a6SJerry Jelinek /* Update locals to point to the new package (of 1 element) */
4357b1019a6SJerry Jelinek
4367b1019a6SJerry Jelinek ReturnObject = *ReturnObjectPtr;
4377b1019a6SJerry Jelinek Elements = ReturnObject->Package.Elements;
4387b1019a6SJerry Jelinek Count = 1;
4397b1019a6SJerry Jelinek }
4407b1019a6SJerry Jelinek
4417b1019a6SJerry Jelinek /* Examine the subpackages */
4427b1019a6SJerry Jelinek
4437b1019a6SJerry Jelinek Status = AcpiNsCheckPackageList (Info, Package, Elements, Count);
4447b1019a6SJerry Jelinek break;
4457b1019a6SJerry Jelinek
4467b1019a6SJerry Jelinek case ACPI_PTYPE2_VAR_VAR:
4477b1019a6SJerry Jelinek /*
4487b1019a6SJerry Jelinek * Returns a variable list of packages, each with a variable list
4497b1019a6SJerry Jelinek * of objects.
4507b1019a6SJerry Jelinek */
4517b1019a6SJerry Jelinek break;
4527b1019a6SJerry Jelinek
4537b1019a6SJerry Jelinek case ACPI_PTYPE2_UUID_PAIR:
4547b1019a6SJerry Jelinek
4557b1019a6SJerry Jelinek /* The package must contain pairs of (UUID + type) */
4567b1019a6SJerry Jelinek
4577b1019a6SJerry Jelinek if (Count & 1)
4587b1019a6SJerry Jelinek {
4597b1019a6SJerry Jelinek ExpectedCount = Count + 1;
4607b1019a6SJerry Jelinek goto PackageTooSmall;
4617b1019a6SJerry Jelinek }
4627b1019a6SJerry Jelinek
4637b1019a6SJerry Jelinek while (Count > 0)
4647b1019a6SJerry Jelinek {
4657b1019a6SJerry Jelinek Status = AcpiNsCheckObjectType(Info, Elements,
4667b1019a6SJerry Jelinek Package->RetInfo.ObjectType1, 0);
4677b1019a6SJerry Jelinek if (ACPI_FAILURE(Status))
4687b1019a6SJerry Jelinek {
4697b1019a6SJerry Jelinek return (Status);
4707b1019a6SJerry Jelinek }
4717b1019a6SJerry Jelinek
4727b1019a6SJerry Jelinek /* Validate length of the UUID buffer */
4737b1019a6SJerry Jelinek
4747b1019a6SJerry Jelinek if ((*Elements)->Buffer.Length != 16)
4757b1019a6SJerry Jelinek {
4767b1019a6SJerry Jelinek ACPI_WARN_PREDEFINED ((AE_INFO, Info->FullPathname,
4777b1019a6SJerry Jelinek Info->NodeFlags, "Invalid length for UUID Buffer"));
4787b1019a6SJerry Jelinek return (AE_AML_OPERAND_VALUE);
4797b1019a6SJerry Jelinek }
4807b1019a6SJerry Jelinek
4817b1019a6SJerry Jelinek Status = AcpiNsCheckObjectType(Info, Elements + 1,
4827b1019a6SJerry Jelinek Package->RetInfo.ObjectType2, 0);
4837b1019a6SJerry Jelinek if (ACPI_FAILURE(Status))
4847b1019a6SJerry Jelinek {
4857b1019a6SJerry Jelinek return (Status);
4867b1019a6SJerry Jelinek }
4877b1019a6SJerry Jelinek
4887b1019a6SJerry Jelinek Elements += 2;
4897b1019a6SJerry Jelinek Count -= 2;
4907b1019a6SJerry Jelinek }
4917b1019a6SJerry Jelinek break;
4927b1019a6SJerry Jelinek
4937b1019a6SJerry Jelinek default:
4947b1019a6SJerry Jelinek
4957b1019a6SJerry Jelinek /* Should not get here if predefined info table is correct */
4967b1019a6SJerry Jelinek
4977b1019a6SJerry Jelinek ACPI_WARN_PREDEFINED ((AE_INFO, Info->FullPathname, Info->NodeFlags,
4987b1019a6SJerry Jelinek "Invalid internal return type in table entry: %X",
4997b1019a6SJerry Jelinek Package->RetInfo.Type));
5007b1019a6SJerry Jelinek
5017b1019a6SJerry Jelinek return (AE_AML_INTERNAL);
5027b1019a6SJerry Jelinek }
5037b1019a6SJerry Jelinek
5047b1019a6SJerry Jelinek return (Status);
5057b1019a6SJerry Jelinek
5067b1019a6SJerry Jelinek
5077b1019a6SJerry Jelinek PackageTooSmall:
5087b1019a6SJerry Jelinek
5097b1019a6SJerry Jelinek /* Error exit for the case with an incorrect package count */
5107b1019a6SJerry Jelinek
5117b1019a6SJerry Jelinek ACPI_WARN_PREDEFINED ((AE_INFO, Info->FullPathname, Info->NodeFlags,
5127b1019a6SJerry Jelinek "Return Package is too small - found %u elements, expected %u",
5137b1019a6SJerry Jelinek Count, ExpectedCount));
5147b1019a6SJerry Jelinek
5157b1019a6SJerry Jelinek return (AE_AML_OPERAND_VALUE);
5167b1019a6SJerry Jelinek }
5177b1019a6SJerry Jelinek
5187b1019a6SJerry Jelinek
5197b1019a6SJerry Jelinek /*******************************************************************************
5207b1019a6SJerry Jelinek *
5217b1019a6SJerry Jelinek * FUNCTION: AcpiNsCheckPackageList
5227b1019a6SJerry Jelinek *
5237b1019a6SJerry Jelinek * PARAMETERS: Info - Method execution information block
5247b1019a6SJerry Jelinek * Package - Pointer to package-specific info for method
5257b1019a6SJerry Jelinek * Elements - Element list of parent package. All elements
5267b1019a6SJerry Jelinek * of this list should be of type Package.
5277b1019a6SJerry Jelinek * Count - Count of subpackages
5287b1019a6SJerry Jelinek *
5297b1019a6SJerry Jelinek * RETURN: Status
5307b1019a6SJerry Jelinek *
5317b1019a6SJerry Jelinek * DESCRIPTION: Examine a list of subpackages
5327b1019a6SJerry Jelinek *
5337b1019a6SJerry Jelinek ******************************************************************************/
5347b1019a6SJerry Jelinek
5357b1019a6SJerry Jelinek static ACPI_STATUS
AcpiNsCheckPackageList(ACPI_EVALUATE_INFO * Info,const ACPI_PREDEFINED_INFO * Package,ACPI_OPERAND_OBJECT ** Elements,UINT32 Count)5367b1019a6SJerry Jelinek AcpiNsCheckPackageList (
5377b1019a6SJerry Jelinek ACPI_EVALUATE_INFO *Info,
5387b1019a6SJerry Jelinek const ACPI_PREDEFINED_INFO *Package,
5397b1019a6SJerry Jelinek ACPI_OPERAND_OBJECT **Elements,
5407b1019a6SJerry Jelinek UINT32 Count)
5417b1019a6SJerry Jelinek {
5427b1019a6SJerry Jelinek ACPI_OPERAND_OBJECT *SubPackage;
5437b1019a6SJerry Jelinek ACPI_OPERAND_OBJECT **SubElements;
5447b1019a6SJerry Jelinek ACPI_STATUS Status;
5457b1019a6SJerry Jelinek UINT32 ExpectedCount;
5467b1019a6SJerry Jelinek UINT32 i;
5477b1019a6SJerry Jelinek UINT32 j;
5487b1019a6SJerry Jelinek
5497b1019a6SJerry Jelinek
5507b1019a6SJerry Jelinek /*
5517b1019a6SJerry Jelinek * Validate each subpackage in the parent Package
5527b1019a6SJerry Jelinek *
5537b1019a6SJerry Jelinek * NOTE: assumes list of subpackages contains no NULL elements.
5547b1019a6SJerry Jelinek * Any NULL elements should have been removed by earlier call
5557b1019a6SJerry Jelinek * to AcpiNsRemoveNullElements.
5567b1019a6SJerry Jelinek */
5577b1019a6SJerry Jelinek for (i = 0; i < Count; i++)
5587b1019a6SJerry Jelinek {
5597b1019a6SJerry Jelinek SubPackage = *Elements;
5607b1019a6SJerry Jelinek SubElements = SubPackage->Package.Elements;
5617b1019a6SJerry Jelinek Info->ParentPackage = SubPackage;
5627b1019a6SJerry Jelinek
5637b1019a6SJerry Jelinek /* Each sub-object must be of type Package */
5647b1019a6SJerry Jelinek
5657b1019a6SJerry Jelinek Status = AcpiNsCheckObjectType (Info, &SubPackage,
5667b1019a6SJerry Jelinek ACPI_RTYPE_PACKAGE, i);
5677b1019a6SJerry Jelinek if (ACPI_FAILURE (Status))
5687b1019a6SJerry Jelinek {
5697b1019a6SJerry Jelinek return (Status);
5707b1019a6SJerry Jelinek }
5717b1019a6SJerry Jelinek
5727b1019a6SJerry Jelinek /* Examine the different types of expected subpackages */
5737b1019a6SJerry Jelinek
5747b1019a6SJerry Jelinek Info->ParentPackage = SubPackage;
5757b1019a6SJerry Jelinek switch (Package->RetInfo.Type)
5767b1019a6SJerry Jelinek {
5777b1019a6SJerry Jelinek case ACPI_PTYPE2:
5787b1019a6SJerry Jelinek case ACPI_PTYPE2_PKG_COUNT:
5797b1019a6SJerry Jelinek case ACPI_PTYPE2_REV_FIXED:
5807b1019a6SJerry Jelinek
5817b1019a6SJerry Jelinek /* Each subpackage has a fixed number of elements */
5827b1019a6SJerry Jelinek
5837b1019a6SJerry Jelinek ExpectedCount = Package->RetInfo.Count1 + Package->RetInfo.Count2;
5847b1019a6SJerry Jelinek if (SubPackage->Package.Count < ExpectedCount)
5857b1019a6SJerry Jelinek {
5867b1019a6SJerry Jelinek goto PackageTooSmall;
5877b1019a6SJerry Jelinek }
5887b1019a6SJerry Jelinek
5897b1019a6SJerry Jelinek Status = AcpiNsCheckPackageElements (Info, SubElements,
5907b1019a6SJerry Jelinek Package->RetInfo.ObjectType1,
5917b1019a6SJerry Jelinek Package->RetInfo.Count1,
5927b1019a6SJerry Jelinek Package->RetInfo.ObjectType2,
5937b1019a6SJerry Jelinek Package->RetInfo.Count2, 0);
5947b1019a6SJerry Jelinek if (ACPI_FAILURE (Status))
5957b1019a6SJerry Jelinek {
5967b1019a6SJerry Jelinek return (Status);
5977b1019a6SJerry Jelinek }
5987b1019a6SJerry Jelinek break;
5997b1019a6SJerry Jelinek
6007b1019a6SJerry Jelinek case ACPI_PTYPE2_FIX_VAR:
6017b1019a6SJerry Jelinek /*
6027b1019a6SJerry Jelinek * Each subpackage has a fixed number of elements and an
6037b1019a6SJerry Jelinek * optional element
6047b1019a6SJerry Jelinek */
6057b1019a6SJerry Jelinek ExpectedCount = Package->RetInfo.Count1 + Package->RetInfo.Count2;
6067b1019a6SJerry Jelinek if (SubPackage->Package.Count < ExpectedCount)
6077b1019a6SJerry Jelinek {
6087b1019a6SJerry Jelinek goto PackageTooSmall;
6097b1019a6SJerry Jelinek }
6107b1019a6SJerry Jelinek
6117b1019a6SJerry Jelinek Status = AcpiNsCheckPackageElements (Info, SubElements,
6127b1019a6SJerry Jelinek Package->RetInfo.ObjectType1,
6137b1019a6SJerry Jelinek Package->RetInfo.Count1,
6147b1019a6SJerry Jelinek Package->RetInfo.ObjectType2,
6157b1019a6SJerry Jelinek SubPackage->Package.Count - Package->RetInfo.Count1, 0);
6167b1019a6SJerry Jelinek if (ACPI_FAILURE (Status))
6177b1019a6SJerry Jelinek {
6187b1019a6SJerry Jelinek return (Status);
6197b1019a6SJerry Jelinek }
6207b1019a6SJerry Jelinek break;
6217b1019a6SJerry Jelinek
6227b1019a6SJerry Jelinek case ACPI_PTYPE2_VAR_VAR:
6237b1019a6SJerry Jelinek /*
6247b1019a6SJerry Jelinek * Each subpackage has a fixed or variable number of elements
6257b1019a6SJerry Jelinek */
6267b1019a6SJerry Jelinek break;
6277b1019a6SJerry Jelinek
6287b1019a6SJerry Jelinek case ACPI_PTYPE2_FIXED:
6297b1019a6SJerry Jelinek
6307b1019a6SJerry Jelinek /* Each subpackage has a fixed length */
6317b1019a6SJerry Jelinek
6327b1019a6SJerry Jelinek ExpectedCount = Package->RetInfo2.Count;
6337b1019a6SJerry Jelinek if (SubPackage->Package.Count < ExpectedCount)
6347b1019a6SJerry Jelinek {
6357b1019a6SJerry Jelinek goto PackageTooSmall;
6367b1019a6SJerry Jelinek }
6377b1019a6SJerry Jelinek
6387b1019a6SJerry Jelinek /* Check the type of each subpackage element */
6397b1019a6SJerry Jelinek
6407b1019a6SJerry Jelinek for (j = 0; j < ExpectedCount; j++)
6417b1019a6SJerry Jelinek {
6427b1019a6SJerry Jelinek Status = AcpiNsCheckObjectType (Info, &SubElements[j],
6437b1019a6SJerry Jelinek Package->RetInfo2.ObjectType[j], j);
6447b1019a6SJerry Jelinek if (ACPI_FAILURE (Status))
6457b1019a6SJerry Jelinek {
6467b1019a6SJerry Jelinek return (Status);
6477b1019a6SJerry Jelinek }
6487b1019a6SJerry Jelinek }
6497b1019a6SJerry Jelinek break;
6507b1019a6SJerry Jelinek
6517b1019a6SJerry Jelinek case ACPI_PTYPE2_MIN:
6527b1019a6SJerry Jelinek
6537b1019a6SJerry Jelinek /* Each subpackage has a variable but minimum length */
6547b1019a6SJerry Jelinek
6557b1019a6SJerry Jelinek ExpectedCount = Package->RetInfo.Count1;
6567b1019a6SJerry Jelinek if (SubPackage->Package.Count < ExpectedCount)
6577b1019a6SJerry Jelinek {
6587b1019a6SJerry Jelinek goto PackageTooSmall;
6597b1019a6SJerry Jelinek }
6607b1019a6SJerry Jelinek
6617b1019a6SJerry Jelinek /* Check the type of each subpackage element */
6627b1019a6SJerry Jelinek
6637b1019a6SJerry Jelinek Status = AcpiNsCheckPackageElements (Info, SubElements,
6647b1019a6SJerry Jelinek Package->RetInfo.ObjectType1,
6657b1019a6SJerry Jelinek SubPackage->Package.Count, 0, 0, 0);
6667b1019a6SJerry Jelinek if (ACPI_FAILURE (Status))
6677b1019a6SJerry Jelinek {
6687b1019a6SJerry Jelinek return (Status);
6697b1019a6SJerry Jelinek }
6707b1019a6SJerry Jelinek break;
6717b1019a6SJerry Jelinek
6727b1019a6SJerry Jelinek case ACPI_PTYPE2_COUNT:
6737b1019a6SJerry Jelinek /*
6747b1019a6SJerry Jelinek * First element is the (Integer) count of elements, including
6757b1019a6SJerry Jelinek * the count field (the ACPI name is NumElements)
6767b1019a6SJerry Jelinek */
6777b1019a6SJerry Jelinek Status = AcpiNsCheckObjectType (Info, SubElements,
6787b1019a6SJerry Jelinek ACPI_RTYPE_INTEGER, 0);
6797b1019a6SJerry Jelinek if (ACPI_FAILURE (Status))
6807b1019a6SJerry Jelinek {
6817b1019a6SJerry Jelinek return (Status);
6827b1019a6SJerry Jelinek }
6837b1019a6SJerry Jelinek
6847b1019a6SJerry Jelinek /*
6857b1019a6SJerry Jelinek * Make sure package is large enough for the Count and is
6867b1019a6SJerry Jelinek * is as large as the minimum size
6877b1019a6SJerry Jelinek */
6887b1019a6SJerry Jelinek ExpectedCount = (UINT32) (*SubElements)->Integer.Value;
6897b1019a6SJerry Jelinek if (SubPackage->Package.Count < ExpectedCount)
6907b1019a6SJerry Jelinek {
6917b1019a6SJerry Jelinek goto PackageTooSmall;
6927b1019a6SJerry Jelinek }
6937b1019a6SJerry Jelinek
6947b1019a6SJerry Jelinek if (SubPackage->Package.Count < Package->RetInfo.Count1)
6957b1019a6SJerry Jelinek {
6967b1019a6SJerry Jelinek ExpectedCount = Package->RetInfo.Count1;
6977b1019a6SJerry Jelinek goto PackageTooSmall;
6987b1019a6SJerry Jelinek }
6997b1019a6SJerry Jelinek
7007b1019a6SJerry Jelinek if (ExpectedCount == 0)
7017b1019a6SJerry Jelinek {
7027b1019a6SJerry Jelinek /*
7037b1019a6SJerry Jelinek * Either the NumEntries element was originally zero or it was
7047b1019a6SJerry Jelinek * a NULL element and repaired to an Integer of value zero.
7057b1019a6SJerry Jelinek * In either case, repair it by setting NumEntries to be the
7067b1019a6SJerry Jelinek * actual size of the subpackage.
7077b1019a6SJerry Jelinek */
7087b1019a6SJerry Jelinek ExpectedCount = SubPackage->Package.Count;
7097b1019a6SJerry Jelinek (*SubElements)->Integer.Value = ExpectedCount;
7107b1019a6SJerry Jelinek }
7117b1019a6SJerry Jelinek
7127b1019a6SJerry Jelinek /* Check the type of each subpackage element */
7137b1019a6SJerry Jelinek
7147b1019a6SJerry Jelinek Status = AcpiNsCheckPackageElements (Info, (SubElements + 1),
7157b1019a6SJerry Jelinek Package->RetInfo.ObjectType1,
7167b1019a6SJerry Jelinek (ExpectedCount - 1), 0, 0, 1);
7177b1019a6SJerry Jelinek if (ACPI_FAILURE (Status))
7187b1019a6SJerry Jelinek {
7197b1019a6SJerry Jelinek return (Status);
7207b1019a6SJerry Jelinek }
7217b1019a6SJerry Jelinek break;
7227b1019a6SJerry Jelinek
7237b1019a6SJerry Jelinek default: /* Should not get here, type was validated by caller */
7247b1019a6SJerry Jelinek
725*35786f68SRobert Mustacchi ACPI_ERROR ((AE_INFO, "Invalid Package type: %X",
726*35786f68SRobert Mustacchi Package->RetInfo.Type));
7277b1019a6SJerry Jelinek return (AE_AML_INTERNAL);
7287b1019a6SJerry Jelinek }
7297b1019a6SJerry Jelinek
7307b1019a6SJerry Jelinek Elements++;
7317b1019a6SJerry Jelinek }
7327b1019a6SJerry Jelinek
7337b1019a6SJerry Jelinek return (AE_OK);
7347b1019a6SJerry Jelinek
7357b1019a6SJerry Jelinek
7367b1019a6SJerry Jelinek PackageTooSmall:
7377b1019a6SJerry Jelinek
7387b1019a6SJerry Jelinek /* The subpackage count was smaller than required */
7397b1019a6SJerry Jelinek
7407b1019a6SJerry Jelinek ACPI_WARN_PREDEFINED ((AE_INFO, Info->FullPathname, Info->NodeFlags,
7417b1019a6SJerry Jelinek "Return SubPackage[%u] is too small - found %u elements, expected %u",
7427b1019a6SJerry Jelinek i, SubPackage->Package.Count, ExpectedCount));
7437b1019a6SJerry Jelinek
7447b1019a6SJerry Jelinek return (AE_AML_OPERAND_VALUE);
7457b1019a6SJerry Jelinek }
7467b1019a6SJerry Jelinek
7477b1019a6SJerry Jelinek
7487b1019a6SJerry Jelinek /*******************************************************************************
7497b1019a6SJerry Jelinek *
7507b1019a6SJerry Jelinek * FUNCTION: AcpiNsCustomPackage
7517b1019a6SJerry Jelinek *
7527b1019a6SJerry Jelinek * PARAMETERS: Info - Method execution information block
7537b1019a6SJerry Jelinek * Elements - Pointer to the package elements array
7547b1019a6SJerry Jelinek * Count - Element count for the package
7557b1019a6SJerry Jelinek *
7567b1019a6SJerry Jelinek * RETURN: Status
7577b1019a6SJerry Jelinek *
7587b1019a6SJerry Jelinek * DESCRIPTION: Check a returned package object for the correct count and
7597b1019a6SJerry Jelinek * correct type of all sub-objects.
7607b1019a6SJerry Jelinek *
7617b1019a6SJerry Jelinek * NOTE: Currently used for the _BIX method only. When needed for two or more
7627b1019a6SJerry Jelinek * methods, probably a detect/dispatch mechanism will be required.
7637b1019a6SJerry Jelinek *
7647b1019a6SJerry Jelinek ******************************************************************************/
7657b1019a6SJerry Jelinek
7667b1019a6SJerry Jelinek static ACPI_STATUS
AcpiNsCustomPackage(ACPI_EVALUATE_INFO * Info,ACPI_OPERAND_OBJECT ** Elements,UINT32 Count)7677b1019a6SJerry Jelinek AcpiNsCustomPackage (
7687b1019a6SJerry Jelinek ACPI_EVALUATE_INFO *Info,
7697b1019a6SJerry Jelinek ACPI_OPERAND_OBJECT **Elements,
7707b1019a6SJerry Jelinek UINT32 Count)
7717b1019a6SJerry Jelinek {
7727b1019a6SJerry Jelinek UINT32 ExpectedCount;
7737b1019a6SJerry Jelinek UINT32 Version;
7747b1019a6SJerry Jelinek ACPI_STATUS Status = AE_OK;
7757b1019a6SJerry Jelinek
7767b1019a6SJerry Jelinek
7777b1019a6SJerry Jelinek ACPI_FUNCTION_NAME (NsCustomPackage);
7787b1019a6SJerry Jelinek
7797b1019a6SJerry Jelinek
7807b1019a6SJerry Jelinek /* Get version number, must be Integer */
7817b1019a6SJerry Jelinek
7827b1019a6SJerry Jelinek if ((*Elements)->Common.Type != ACPI_TYPE_INTEGER)
7837b1019a6SJerry Jelinek {
7847b1019a6SJerry Jelinek ACPI_WARN_PREDEFINED ((AE_INFO, Info->FullPathname, Info->NodeFlags,
7857b1019a6SJerry Jelinek "Return Package has invalid object type for version number"));
7867b1019a6SJerry Jelinek return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
7877b1019a6SJerry Jelinek }
7887b1019a6SJerry Jelinek
7897b1019a6SJerry Jelinek Version = (UINT32) (*Elements)->Integer.Value;
7907b1019a6SJerry Jelinek ExpectedCount = 21; /* Version 1 */
7917b1019a6SJerry Jelinek
7927b1019a6SJerry Jelinek if (Version == 0)
7937b1019a6SJerry Jelinek {
7947b1019a6SJerry Jelinek ExpectedCount = 20; /* Version 0 */
7957b1019a6SJerry Jelinek }
7967b1019a6SJerry Jelinek
7977b1019a6SJerry Jelinek if (Count < ExpectedCount)
7987b1019a6SJerry Jelinek {
7997b1019a6SJerry Jelinek ACPI_WARN_PREDEFINED ((AE_INFO, Info->FullPathname, Info->NodeFlags,
8007b1019a6SJerry Jelinek "Return Package is too small - found %u elements, expected %u",
8017b1019a6SJerry Jelinek Count, ExpectedCount));
8027b1019a6SJerry Jelinek return_ACPI_STATUS (AE_AML_OPERAND_VALUE);
8037b1019a6SJerry Jelinek }
8047b1019a6SJerry Jelinek else if (Count > ExpectedCount)
8057b1019a6SJerry Jelinek {
8067b1019a6SJerry Jelinek ACPI_DEBUG_PRINT ((ACPI_DB_REPAIR,
8077b1019a6SJerry Jelinek "%s: Return Package is larger than needed - "
8087b1019a6SJerry Jelinek "found %u, expected %u\n",
8097b1019a6SJerry Jelinek Info->FullPathname, Count, ExpectedCount));
8107b1019a6SJerry Jelinek }
8117b1019a6SJerry Jelinek
8127b1019a6SJerry Jelinek /* Validate all elements of the returned package */
8137b1019a6SJerry Jelinek
8147b1019a6SJerry Jelinek Status = AcpiNsCheckPackageElements (Info, Elements,
8157b1019a6SJerry Jelinek ACPI_RTYPE_INTEGER, 16,
8167b1019a6SJerry Jelinek ACPI_RTYPE_STRING, 4, 0);
8177b1019a6SJerry Jelinek if (ACPI_FAILURE (Status))
8187b1019a6SJerry Jelinek {
8197b1019a6SJerry Jelinek return_ACPI_STATUS (Status);
8207b1019a6SJerry Jelinek }
8217b1019a6SJerry Jelinek
8227b1019a6SJerry Jelinek /* Version 1 has a single trailing integer */
8237b1019a6SJerry Jelinek
8247b1019a6SJerry Jelinek if (Version > 0)
8257b1019a6SJerry Jelinek {
8267b1019a6SJerry Jelinek Status = AcpiNsCheckPackageElements (Info, Elements + 20,
8277b1019a6SJerry Jelinek ACPI_RTYPE_INTEGER, 1, 0, 0, 20);
8287b1019a6SJerry Jelinek }
8297b1019a6SJerry Jelinek
8307b1019a6SJerry Jelinek return_ACPI_STATUS (Status);
8317b1019a6SJerry Jelinek }
8327b1019a6SJerry Jelinek
8337b1019a6SJerry Jelinek
8347b1019a6SJerry Jelinek /*******************************************************************************
8357b1019a6SJerry Jelinek *
8367b1019a6SJerry Jelinek * FUNCTION: AcpiNsCheckPackageElements
8377b1019a6SJerry Jelinek *
8387b1019a6SJerry Jelinek * PARAMETERS: Info - Method execution information block
8397b1019a6SJerry Jelinek * Elements - Pointer to the package elements array
8407b1019a6SJerry Jelinek * Type1 - Object type for first group
8417b1019a6SJerry Jelinek * Count1 - Count for first group
8427b1019a6SJerry Jelinek * Type2 - Object type for second group
8437b1019a6SJerry Jelinek * Count2 - Count for second group
8447b1019a6SJerry Jelinek * StartIndex - Start of the first group of elements
8457b1019a6SJerry Jelinek *
8467b1019a6SJerry Jelinek * RETURN: Status
8477b1019a6SJerry Jelinek *
8487b1019a6SJerry Jelinek * DESCRIPTION: Check that all elements of a package are of the correct object
8497b1019a6SJerry Jelinek * type. Supports up to two groups of different object types.
8507b1019a6SJerry Jelinek *
8517b1019a6SJerry Jelinek ******************************************************************************/
8527b1019a6SJerry Jelinek
8537b1019a6SJerry Jelinek static ACPI_STATUS
AcpiNsCheckPackageElements(ACPI_EVALUATE_INFO * Info,ACPI_OPERAND_OBJECT ** Elements,UINT8 Type1,UINT32 Count1,UINT8 Type2,UINT32 Count2,UINT32 StartIndex)8547b1019a6SJerry Jelinek AcpiNsCheckPackageElements (
8557b1019a6SJerry Jelinek ACPI_EVALUATE_INFO *Info,
8567b1019a6SJerry Jelinek ACPI_OPERAND_OBJECT **Elements,
8577b1019a6SJerry Jelinek UINT8 Type1,
8587b1019a6SJerry Jelinek UINT32 Count1,
8597b1019a6SJerry Jelinek UINT8 Type2,
8607b1019a6SJerry Jelinek UINT32 Count2,
8617b1019a6SJerry Jelinek UINT32 StartIndex)
8627b1019a6SJerry Jelinek {
8637b1019a6SJerry Jelinek ACPI_OPERAND_OBJECT **ThisElement = Elements;
8647b1019a6SJerry Jelinek ACPI_STATUS Status;
8657b1019a6SJerry Jelinek UINT32 i;
8667b1019a6SJerry Jelinek
8677b1019a6SJerry Jelinek
8687b1019a6SJerry Jelinek /*
8697b1019a6SJerry Jelinek * Up to two groups of package elements are supported by the data
8707b1019a6SJerry Jelinek * structure. All elements in each group must be of the same type.
8717b1019a6SJerry Jelinek * The second group can have a count of zero.
8727b1019a6SJerry Jelinek */
8737b1019a6SJerry Jelinek for (i = 0; i < Count1; i++)
8747b1019a6SJerry Jelinek {
8757b1019a6SJerry Jelinek Status = AcpiNsCheckObjectType (Info, ThisElement,
8767b1019a6SJerry Jelinek Type1, i + StartIndex);
8777b1019a6SJerry Jelinek if (ACPI_FAILURE (Status))
8787b1019a6SJerry Jelinek {
8797b1019a6SJerry Jelinek return (Status);
8807b1019a6SJerry Jelinek }
8817b1019a6SJerry Jelinek
8827b1019a6SJerry Jelinek ThisElement++;
8837b1019a6SJerry Jelinek }
8847b1019a6SJerry Jelinek
8857b1019a6SJerry Jelinek for (i = 0; i < Count2; i++)
8867b1019a6SJerry Jelinek {
8877b1019a6SJerry Jelinek Status = AcpiNsCheckObjectType (Info, ThisElement,
8887b1019a6SJerry Jelinek Type2, (i + Count1 + StartIndex));
8897b1019a6SJerry Jelinek if (ACPI_FAILURE (Status))
8907b1019a6SJerry Jelinek {
8917b1019a6SJerry Jelinek return (Status);
8927b1019a6SJerry Jelinek }
8937b1019a6SJerry Jelinek
8947b1019a6SJerry Jelinek ThisElement++;
8957b1019a6SJerry Jelinek }
8967b1019a6SJerry Jelinek
8977b1019a6SJerry Jelinek return (AE_OK);
8987b1019a6SJerry Jelinek }
899