1 /******************************************************************************
3 * Module Name: nsprepkg - Validation of package objects for predefined names
5 *****************************************************************************/
7 /******************************************************************************
11 * Some or all of this work - Copyright (c) 1999 - 2020, Intel Corp.
12 * All rights reserved.
16 * 2.1. This is your license from Intel Corp. under its intellectual property
17 * rights. You may have additional license terms from the party that provided
18 * you this software, covering your right to use that party's intellectual
21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22 * copy of the source code appearing in this file ("Covered Code") an
23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24 * base code distributed originally by Intel ("Original Intel Code") to copy,
25 * make derivatives, distribute, use and display any portion of the Covered
26 * Code in any form, with the right to sublicense such rights; and
28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29 * license (with the right to sublicense), under only those claims of Intel
30 * patents that are infringed by the Original Intel Code, to make, use, sell,
31 * offer to sell, and import the Covered Code and derivative works thereof
32 * solely to the minimum extent necessary to exercise the above copyright
33 * license, and in no event shall the patent license extend to any additions
34 * to or modifications of the Original Intel Code. No other license or right
35 * is granted directly or by implication, estoppel or otherwise;
37 * The above copyright and patent license is granted only if the following
42 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43 * Redistribution of source code of any substantial portion of the Covered
44 * Code or modification with rights to further distribute source must include
45 * the above Copyright Notice, the above License, this list of Conditions,
46 * and the following Disclaimer and Export Compliance provision. In addition,
47 * Licensee must cause all Covered Code to which Licensee contributes to
48 * contain a file documenting the changes Licensee made to create that Covered
49 * Code and the date of any change. Licensee must include in that file the
50 * documentation of any changes made by any predecessor Licensee. Licensee
51 * must include a prominent statement that the modification is derived,
52 * directly or indirectly, from Original Intel Code.
54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55 * Redistribution of source code of any substantial portion of the Covered
56 * Code or modification without rights to further distribute source must
57 * include the following Disclaimer and Export Compliance provision in the
58 * documentation and/or other materials provided with distribution. In
59 * addition, Licensee may not authorize further sublicense of source of any
60 * portion of the Covered Code, and must include terms to the effect that the
61 * license from Licensee to its licensee is limited to the intellectual
62 * property embodied in the software Licensee provides to its licensee, and
63 * not to intellectual property embodied in modifications its licensee may
66 * 3.3. Redistribution of Executable. Redistribution in executable form of any
67 * substantial portion of the Covered Code or modification must reproduce the
68 * above Copyright Notice, and the following Disclaimer and Export Compliance
69 * provision in the documentation and/or other materials provided with the
72 * 3.4. Intel retains all right, title, and interest in and to the Original
75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76 * Intel shall be used in advertising or otherwise to promote the sale, use or
77 * other dealings in products derived from or relating to the Covered Code
78 * without prior written authorization from Intel.
80 * 4. Disclaimer and Export Compliance
82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
99 * 4.3. Licensee shall not export, either directly or indirectly, any of this
100 * software or system incorporating such software without first obtaining any
101 * required license or other approval from the U. S. Department of Commerce or
102 * any other agency or department of the United States Government. In the
103 * event Licensee exports any such software from the United States or
104 * re-exports any such software from a foreign destination, Licensee shall
105 * ensure that the distribution and export/re-export of the software is in
106 * compliance with all laws, regulations, orders, or other restrictions of the
107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108 * any of its subsidiaries will export/re-export any technical data, process,
109 * software, or service, directly or indirectly, to any country for which the
110 * United States government or any agency thereof requires an export license,
111 * other governmental approval, or letter of assurance, without first obtaining
112 * such license, approval or letter.
114 *****************************************************************************
116 * Alternatively, you may choose to be licensed under the terms of the
119 * Redistribution and use in source and binary forms, with or without
120 * modification, are permitted provided that the following conditions
122 * 1. Redistributions of source code must retain the above copyright
123 * notice, this list of conditions, and the following disclaimer,
124 * without modification.
125 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
126 * substantially similar to the "NO WARRANTY" disclaimer below
127 * ("Disclaimer") and any redistribution must be conditioned upon
128 * including a substantially similar Disclaimer requirement for further
129 * binary redistribution.
130 * 3. Neither the names of the above-listed copyright holders nor the names
131 * of any contributors may be used to endorse or promote products derived
132 * from this software without specific prior written permission.
134 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
146 * Alternatively, you may choose to be licensed under the terms of the
147 * GNU General Public License ("GPL") version 2 as published by the Free
148 * Software Foundation.
150 *****************************************************************************/
152 #include <contrib/dev/acpica/include/acpi.h>
153 #include <contrib/dev/acpica/include/accommon.h>
154 #include <contrib/dev/acpica/include/acnamesp.h>
155 #include <contrib/dev/acpica/include/acpredef.h>
158 #define _COMPONENT ACPI_NAMESPACE
159 ACPI_MODULE_NAME ("nsprepkg")
162 /* Local prototypes */
165 AcpiNsCheckPackageList (
166 ACPI_EVALUATE_INFO *Info,
167 const ACPI_PREDEFINED_INFO *Package,
168 ACPI_OPERAND_OBJECT **Elements,
172 AcpiNsCheckPackageElements (
173 ACPI_EVALUATE_INFO *Info,
174 ACPI_OPERAND_OBJECT **Elements,
182 AcpiNsCustomPackage (
183 ACPI_EVALUATE_INFO *Info,
184 ACPI_OPERAND_OBJECT **Elements,
188 /*******************************************************************************
190 * FUNCTION: AcpiNsCheckPackage
192 * PARAMETERS: Info - Method execution information block
193 * ReturnObjectPtr - Pointer to the object returned from the
194 * evaluation of a method or object
198 * DESCRIPTION: Check a returned package object for the correct count and
199 * correct type of all sub-objects.
201 ******************************************************************************/
205 ACPI_EVALUATE_INFO *Info,
206 ACPI_OPERAND_OBJECT **ReturnObjectPtr)
208 ACPI_OPERAND_OBJECT *ReturnObject = *ReturnObjectPtr;
209 const ACPI_PREDEFINED_INFO *Package;
210 ACPI_OPERAND_OBJECT **Elements;
211 ACPI_STATUS Status = AE_OK;
212 UINT32 ExpectedCount;
217 ACPI_FUNCTION_NAME (NsCheckPackage);
220 /* The package info for this name is in the next table entry */
222 Package = Info->Predefined + 1;
224 ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
225 "%s Validating return Package of Type %X, Count %X\n",
226 Info->FullPathname, Package->RetInfo.Type,
227 ReturnObject->Package.Count));
230 * For variable-length Packages, we can safely remove all embedded
231 * and trailing NULL package elements
233 AcpiNsRemoveNullElements (Info, Package->RetInfo.Type, ReturnObject);
235 /* Extract package count and elements array */
237 Elements = ReturnObject->Package.Elements;
238 Count = ReturnObject->Package.Count;
241 * Most packages must have at least one element. The only exception
242 * is the variable-length package (ACPI_PTYPE1_VAR).
246 if (Package->RetInfo.Type == ACPI_PTYPE1_VAR)
251 ACPI_WARN_PREDEFINED ((AE_INFO, Info->FullPathname, Info->NodeFlags,
252 "Return Package has no elements (empty)"));
254 return (AE_AML_OPERAND_VALUE);
258 * Decode the type of the expected package contents
260 * PTYPE1 packages contain no subpackages
261 * PTYPE2 packages contain subpackages
263 switch (Package->RetInfo.Type)
265 case ACPI_PTYPE_CUSTOM:
267 Status = AcpiNsCustomPackage (Info, Elements, Count);
270 case ACPI_PTYPE1_FIXED:
272 * The package count is fixed and there are no subpackages
274 * If package is too small, exit.
275 * If package is larger than expected, issue warning but continue
277 ExpectedCount = Package->RetInfo.Count1 + Package->RetInfo.Count2;
278 if (Count < ExpectedCount)
280 goto PackageTooSmall;
282 else if (Count > ExpectedCount)
284 ACPI_DEBUG_PRINT ((ACPI_DB_REPAIR,
285 "%s: Return Package is larger than needed - "
286 "found %u, expected %u\n",
287 Info->FullPathname, Count, ExpectedCount));
290 /* Validate all elements of the returned package */
292 Status = AcpiNsCheckPackageElements (Info, Elements,
293 Package->RetInfo.ObjectType1, Package->RetInfo.Count1,
294 Package->RetInfo.ObjectType2, Package->RetInfo.Count2, 0);
297 case ACPI_PTYPE1_VAR:
299 * The package count is variable, there are no subpackages, and all
300 * elements must be of the same type
302 for (i = 0; i < Count; i++)
304 Status = AcpiNsCheckObjectType (Info, Elements,
305 Package->RetInfo.ObjectType1, i);
306 if (ACPI_FAILURE (Status))
315 case ACPI_PTYPE1_OPTION:
317 * The package count is variable, there are no subpackages. There are
318 * a fixed number of required elements, and a variable number of
321 * Check if package is at least as large as the minimum required
323 ExpectedCount = Package->RetInfo3.Count;
324 if (Count < ExpectedCount)
326 goto PackageTooSmall;
329 /* Variable number of sub-objects */
331 for (i = 0; i < Count; i++)
333 if (i < Package->RetInfo3.Count)
335 /* These are the required package elements (0, 1, or 2) */
337 Status = AcpiNsCheckObjectType (Info, Elements,
338 Package->RetInfo3.ObjectType[i], i);
339 if (ACPI_FAILURE (Status))
346 /* These are the optional package elements */
348 Status = AcpiNsCheckObjectType (Info, Elements,
349 Package->RetInfo3.TailObjectType, i);
350 if (ACPI_FAILURE (Status))
360 case ACPI_PTYPE2_REV_FIXED:
362 /* First element is the (Integer) revision */
364 Status = AcpiNsCheckObjectType (
365 Info, Elements, ACPI_RTYPE_INTEGER, 0);
366 if (ACPI_FAILURE (Status))
374 /* Examine the subpackages */
376 Status = AcpiNsCheckPackageList (Info, Package, Elements, Count);
379 case ACPI_PTYPE2_PKG_COUNT:
381 /* First element is the (Integer) count of subpackages to follow */
383 Status = AcpiNsCheckObjectType (
384 Info, Elements, ACPI_RTYPE_INTEGER, 0);
385 if (ACPI_FAILURE (Status))
391 * Count cannot be larger than the parent package length, but allow it
392 * to be smaller. The >= accounts for the Integer above.
394 ExpectedCount = (UINT32) (*Elements)->Integer.Value;
395 if (ExpectedCount >= Count)
397 goto PackageTooSmall;
400 Count = ExpectedCount;
403 /* Examine the subpackages */
405 Status = AcpiNsCheckPackageList (Info, Package, Elements, Count);
409 case ACPI_PTYPE2_FIXED:
410 case ACPI_PTYPE2_MIN:
411 case ACPI_PTYPE2_COUNT:
412 case ACPI_PTYPE2_FIX_VAR:
414 * These types all return a single Package that consists of a
415 * variable number of subpackages.
417 * First, ensure that the first element is a subpackage. If not,
418 * the BIOS may have incorrectly returned the object as a single
419 * package instead of a Package of Packages (a common error if
420 * there is only one entry). We may be able to repair this by
421 * wrapping the returned Package with a new outer Package.
423 if (*Elements && ((*Elements)->Common.Type != ACPI_TYPE_PACKAGE))
425 /* Create the new outer package and populate it */
427 Status = AcpiNsWrapWithPackage (
428 Info, ReturnObject, ReturnObjectPtr);
429 if (ACPI_FAILURE (Status))
434 /* Update locals to point to the new package (of 1 element) */
436 ReturnObject = *ReturnObjectPtr;
437 Elements = ReturnObject->Package.Elements;
441 /* Examine the subpackages */
443 Status = AcpiNsCheckPackageList (Info, Package, Elements, Count);
446 case ACPI_PTYPE2_VAR_VAR:
448 * Returns a variable list of packages, each with a variable list
453 case ACPI_PTYPE2_UUID_PAIR:
455 /* The package must contain pairs of (UUID + type) */
459 ExpectedCount = Count + 1;
460 goto PackageTooSmall;
465 Status = AcpiNsCheckObjectType(Info, Elements,
466 Package->RetInfo.ObjectType1, 0);
467 if (ACPI_FAILURE(Status))
472 /* Validate length of the UUID buffer */
474 if ((*Elements)->Buffer.Length != 16)
476 ACPI_WARN_PREDEFINED ((AE_INFO, Info->FullPathname,
477 Info->NodeFlags, "Invalid length for UUID Buffer"));
478 return (AE_AML_OPERAND_VALUE);
481 Status = AcpiNsCheckObjectType(Info, Elements + 1,
482 Package->RetInfo.ObjectType2, 0);
483 if (ACPI_FAILURE(Status))
495 /* Should not get here if predefined info table is correct */
497 ACPI_WARN_PREDEFINED ((AE_INFO, Info->FullPathname, Info->NodeFlags,
498 "Invalid internal return type in table entry: %X",
499 Package->RetInfo.Type));
501 return (AE_AML_INTERNAL);
509 /* Error exit for the case with an incorrect package count */
511 ACPI_WARN_PREDEFINED ((AE_INFO, Info->FullPathname, Info->NodeFlags,
512 "Return Package is too small - found %u elements, expected %u",
513 Count, ExpectedCount));
515 return (AE_AML_OPERAND_VALUE);
519 /*******************************************************************************
521 * FUNCTION: AcpiNsCheckPackageList
523 * PARAMETERS: Info - Method execution information block
524 * Package - Pointer to package-specific info for method
525 * Elements - Element list of parent package. All elements
526 * of this list should be of type Package.
527 * Count - Count of subpackages
531 * DESCRIPTION: Examine a list of subpackages
533 ******************************************************************************/
536 AcpiNsCheckPackageList (
537 ACPI_EVALUATE_INFO *Info,
538 const ACPI_PREDEFINED_INFO *Package,
539 ACPI_OPERAND_OBJECT **Elements,
542 ACPI_OPERAND_OBJECT *SubPackage;
543 ACPI_OPERAND_OBJECT **SubElements;
545 UINT32 ExpectedCount;
551 * Validate each subpackage in the parent Package
553 * NOTE: assumes list of subpackages contains no NULL elements.
554 * Any NULL elements should have been removed by earlier call
555 * to AcpiNsRemoveNullElements.
557 for (i = 0; i < Count; i++)
559 SubPackage = *Elements;
560 SubElements = SubPackage->Package.Elements;
561 Info->ParentPackage = SubPackage;
563 /* Each sub-object must be of type Package */
565 Status = AcpiNsCheckObjectType (Info, &SubPackage,
566 ACPI_RTYPE_PACKAGE, i);
567 if (ACPI_FAILURE (Status))
572 /* Examine the different types of expected subpackages */
574 Info->ParentPackage = SubPackage;
575 switch (Package->RetInfo.Type)
578 case ACPI_PTYPE2_PKG_COUNT:
579 case ACPI_PTYPE2_REV_FIXED:
581 /* Each subpackage has a fixed number of elements */
583 ExpectedCount = Package->RetInfo.Count1 + Package->RetInfo.Count2;
584 if (SubPackage->Package.Count < ExpectedCount)
586 goto PackageTooSmall;
589 Status = AcpiNsCheckPackageElements (Info, SubElements,
590 Package->RetInfo.ObjectType1,
591 Package->RetInfo.Count1,
592 Package->RetInfo.ObjectType2,
593 Package->RetInfo.Count2, 0);
594 if (ACPI_FAILURE (Status))
600 case ACPI_PTYPE2_FIX_VAR:
602 * Each subpackage has a fixed number of elements and an
605 ExpectedCount = Package->RetInfo.Count1 + Package->RetInfo.Count2;
606 if (SubPackage->Package.Count < ExpectedCount)
608 goto PackageTooSmall;
611 Status = AcpiNsCheckPackageElements (Info, SubElements,
612 Package->RetInfo.ObjectType1,
613 Package->RetInfo.Count1,
614 Package->RetInfo.ObjectType2,
615 SubPackage->Package.Count - Package->RetInfo.Count1, 0);
616 if (ACPI_FAILURE (Status))
622 case ACPI_PTYPE2_VAR_VAR:
624 * Each subpackage has a fixed or variable number of elements
628 case ACPI_PTYPE2_FIXED:
630 /* Each subpackage has a fixed length */
632 ExpectedCount = Package->RetInfo2.Count;
633 if (SubPackage->Package.Count < ExpectedCount)
635 goto PackageTooSmall;
638 /* Check the type of each subpackage element */
640 for (j = 0; j < ExpectedCount; j++)
642 Status = AcpiNsCheckObjectType (Info, &SubElements[j],
643 Package->RetInfo2.ObjectType[j], j);
644 if (ACPI_FAILURE (Status))
651 case ACPI_PTYPE2_MIN:
653 /* Each subpackage has a variable but minimum length */
655 ExpectedCount = Package->RetInfo.Count1;
656 if (SubPackage->Package.Count < ExpectedCount)
658 goto PackageTooSmall;
661 /* Check the type of each subpackage element */
663 Status = AcpiNsCheckPackageElements (Info, SubElements,
664 Package->RetInfo.ObjectType1,
665 SubPackage->Package.Count, 0, 0, 0);
666 if (ACPI_FAILURE (Status))
672 case ACPI_PTYPE2_COUNT:
674 * First element is the (Integer) count of elements, including
675 * the count field (the ACPI name is NumElements)
677 Status = AcpiNsCheckObjectType (Info, SubElements,
678 ACPI_RTYPE_INTEGER, 0);
679 if (ACPI_FAILURE (Status))
685 * Make sure package is large enough for the Count and is
686 * is as large as the minimum size
688 ExpectedCount = (UINT32) (*SubElements)->Integer.Value;
689 if (SubPackage->Package.Count < ExpectedCount)
691 goto PackageTooSmall;
694 if (SubPackage->Package.Count < Package->RetInfo.Count1)
696 ExpectedCount = Package->RetInfo.Count1;
697 goto PackageTooSmall;
700 if (ExpectedCount == 0)
703 * Either the NumEntries element was originally zero or it was
704 * a NULL element and repaired to an Integer of value zero.
705 * In either case, repair it by setting NumEntries to be the
706 * actual size of the subpackage.
708 ExpectedCount = SubPackage->Package.Count;
709 (*SubElements)->Integer.Value = ExpectedCount;
712 /* Check the type of each subpackage element */
714 Status = AcpiNsCheckPackageElements (Info, (SubElements + 1),
715 Package->RetInfo.ObjectType1,
716 (ExpectedCount - 1), 0, 0, 1);
717 if (ACPI_FAILURE (Status))
723 default: /* Should not get here, type was validated by caller */
725 ACPI_ERROR ((AE_INFO, "Invalid Package type: %X",
726 Package->RetInfo.Type));
727 return (AE_AML_INTERNAL);
738 /* The subpackage count was smaller than required */
740 ACPI_WARN_PREDEFINED ((AE_INFO, Info->FullPathname, Info->NodeFlags,
741 "Return SubPackage[%u] is too small - found %u elements, expected %u",
742 i, SubPackage->Package.Count, ExpectedCount));
744 return (AE_AML_OPERAND_VALUE);
748 /*******************************************************************************
750 * FUNCTION: AcpiNsCustomPackage
752 * PARAMETERS: Info - Method execution information block
753 * Elements - Pointer to the package elements array
754 * Count - Element count for the package
758 * DESCRIPTION: Check a returned package object for the correct count and
759 * correct type of all sub-objects.
761 * NOTE: Currently used for the _BIX method only. When needed for two or more
762 * methods, probably a detect/dispatch mechanism will be required.
764 ******************************************************************************/
767 AcpiNsCustomPackage (
768 ACPI_EVALUATE_INFO *Info,
769 ACPI_OPERAND_OBJECT **Elements,
772 UINT32 ExpectedCount;
774 ACPI_STATUS Status = AE_OK;
777 ACPI_FUNCTION_NAME (NsCustomPackage);
780 /* Get version number, must be Integer */
782 if ((*Elements)->Common.Type != ACPI_TYPE_INTEGER)
784 ACPI_WARN_PREDEFINED ((AE_INFO, Info->FullPathname, Info->NodeFlags,
785 "Return Package has invalid object type for version number"));
786 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
789 Version = (UINT32) (*Elements)->Integer.Value;
790 ExpectedCount = 21; /* Version 1 */
794 ExpectedCount = 20; /* Version 0 */
797 if (Count < ExpectedCount)
799 ACPI_WARN_PREDEFINED ((AE_INFO, Info->FullPathname, Info->NodeFlags,
800 "Return Package is too small - found %u elements, expected %u",
801 Count, ExpectedCount));
802 return_ACPI_STATUS (AE_AML_OPERAND_VALUE);
804 else if (Count > ExpectedCount)
806 ACPI_DEBUG_PRINT ((ACPI_DB_REPAIR,
807 "%s: Return Package is larger than needed - "
808 "found %u, expected %u\n",
809 Info->FullPathname, Count, ExpectedCount));
812 /* Validate all elements of the returned package */
814 Status = AcpiNsCheckPackageElements (Info, Elements,
815 ACPI_RTYPE_INTEGER, 16,
816 ACPI_RTYPE_STRING, 4, 0);
817 if (ACPI_FAILURE (Status))
819 return_ACPI_STATUS (Status);
822 /* Version 1 has a single trailing integer */
826 Status = AcpiNsCheckPackageElements (Info, Elements + 20,
827 ACPI_RTYPE_INTEGER, 1, 0, 0, 20);
830 return_ACPI_STATUS (Status);
834 /*******************************************************************************
836 * FUNCTION: AcpiNsCheckPackageElements
838 * PARAMETERS: Info - Method execution information block
839 * Elements - Pointer to the package elements array
840 * Type1 - Object type for first group
841 * Count1 - Count for first group
842 * Type2 - Object type for second group
843 * Count2 - Count for second group
844 * StartIndex - Start of the first group of elements
848 * DESCRIPTION: Check that all elements of a package are of the correct object
849 * type. Supports up to two groups of different object types.
851 ******************************************************************************/
854 AcpiNsCheckPackageElements (
855 ACPI_EVALUATE_INFO *Info,
856 ACPI_OPERAND_OBJECT **Elements,
863 ACPI_OPERAND_OBJECT **ThisElement = Elements;
869 * Up to two groups of package elements are supported by the data
870 * structure. All elements in each group must be of the same type.
871 * The second group can have a count of zero.
873 for (i = 0; i < Count1; i++)
875 Status = AcpiNsCheckObjectType (Info, ThisElement,
876 Type1, i + StartIndex);
877 if (ACPI_FAILURE (Status))
885 for (i = 0; i < Count2; i++)
887 Status = AcpiNsCheckObjectType (Info, ThisElement,
888 Type2, (i + Count1 + StartIndex));
889 if (ACPI_FAILURE (Status))