17c478bd9Sstevel@tonic-gate /*******************************************************************************
27c478bd9Sstevel@tonic-gate *
37c478bd9Sstevel@tonic-gate * Module Name: utdelete - object deletion and reference count utilities
47c478bd9Sstevel@tonic-gate *
57c478bd9Sstevel@tonic-gate ******************************************************************************/
67c478bd9Sstevel@tonic-gate
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.
127c478bd9Sstevel@tonic-gate * All rights reserved.
137c478bd9Sstevel@tonic-gate *
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 *
11926f3cdf0SGordon Ross * Redistribution and use in source and binary forms, with or without
12026f3cdf0SGordon Ross * modification, are permitted provided that the following conditions
12126f3cdf0SGordon Ross * are met:
12226f3cdf0SGordon Ross * 1. Redistributions of source code must retain the above copyright
12326f3cdf0SGordon Ross * notice, this list of conditions, and the following disclaimer,
12426f3cdf0SGordon Ross * without modification.
12526f3cdf0SGordon Ross * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12626f3cdf0SGordon Ross * substantially similar to the "NO WARRANTY" disclaimer below
12726f3cdf0SGordon Ross * ("Disclaimer") and any redistribution must be conditioned upon
12826f3cdf0SGordon Ross * including a substantially similar Disclaimer requirement for further
12926f3cdf0SGordon Ross * binary redistribution.
13026f3cdf0SGordon Ross * 3. Neither the names of the above-listed copyright holders nor the names
13126f3cdf0SGordon Ross * of any contributors may be used to endorse or promote products derived
13226f3cdf0SGordon Ross * from this software without specific prior written permission.
13326f3cdf0SGordon Ross *
13426f3cdf0SGordon Ross * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
13526f3cdf0SGordon Ross * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136*35786f68SRobert Mustacchi * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
13726f3cdf0SGordon Ross * 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 *****************************************************************************/
1517c478bd9Sstevel@tonic-gate
1527c478bd9Sstevel@tonic-gate #include "acpi.h"
153aa2aa9a6SDana Myers #include "accommon.h"
1547c478bd9Sstevel@tonic-gate #include "acinterp.h"
1557c478bd9Sstevel@tonic-gate #include "acnamesp.h"
1567c478bd9Sstevel@tonic-gate #include "acevents.h"
157db2bae30SDana Myers
1587c478bd9Sstevel@tonic-gate
1597c478bd9Sstevel@tonic-gate #define _COMPONENT ACPI_UTILITIES
1607c478bd9Sstevel@tonic-gate ACPI_MODULE_NAME ("utdelete")
1617c478bd9Sstevel@tonic-gate
1627c478bd9Sstevel@tonic-gate /* Local prototypes */
1637c478bd9Sstevel@tonic-gate
1647c478bd9Sstevel@tonic-gate static void
1657c478bd9Sstevel@tonic-gate AcpiUtDeleteInternalObj (
1667c478bd9Sstevel@tonic-gate ACPI_OPERAND_OBJECT *Object);
1677c478bd9Sstevel@tonic-gate
1687c478bd9Sstevel@tonic-gate static void
1697c478bd9Sstevel@tonic-gate AcpiUtUpdateRefCount (
1707c478bd9Sstevel@tonic-gate ACPI_OPERAND_OBJECT *Object,
1717c478bd9Sstevel@tonic-gate UINT32 Action);
1727c478bd9Sstevel@tonic-gate
1737c478bd9Sstevel@tonic-gate
1747c478bd9Sstevel@tonic-gate /*******************************************************************************
1757c478bd9Sstevel@tonic-gate *
1767c478bd9Sstevel@tonic-gate * FUNCTION: AcpiUtDeleteInternalObj
1777c478bd9Sstevel@tonic-gate *
1787c478bd9Sstevel@tonic-gate * PARAMETERS: Object - Object to be deleted
1797c478bd9Sstevel@tonic-gate *
1807c478bd9Sstevel@tonic-gate * RETURN: None
1817c478bd9Sstevel@tonic-gate *
1827c478bd9Sstevel@tonic-gate * DESCRIPTION: Low level object deletion, after reference counts have been
1837c478bd9Sstevel@tonic-gate * updated (All reference counts, including sub-objects!)
1847c478bd9Sstevel@tonic-gate *
1857c478bd9Sstevel@tonic-gate ******************************************************************************/
1867c478bd9Sstevel@tonic-gate
1877c478bd9Sstevel@tonic-gate static void
AcpiUtDeleteInternalObj(ACPI_OPERAND_OBJECT * Object)1887c478bd9Sstevel@tonic-gate AcpiUtDeleteInternalObj (
1897c478bd9Sstevel@tonic-gate ACPI_OPERAND_OBJECT *Object)
1907c478bd9Sstevel@tonic-gate {
1917c478bd9Sstevel@tonic-gate void *ObjPointer = NULL;
1927c478bd9Sstevel@tonic-gate ACPI_OPERAND_OBJECT *HandlerDesc;
1937c478bd9Sstevel@tonic-gate ACPI_OPERAND_OBJECT *SecondDesc;
1947c478bd9Sstevel@tonic-gate ACPI_OPERAND_OBJECT *NextDesc;
1957b1019a6SJerry Jelinek ACPI_OPERAND_OBJECT *StartDesc;
196aa2aa9a6SDana Myers ACPI_OPERAND_OBJECT **LastObjPtr;
1977c478bd9Sstevel@tonic-gate
1987c478bd9Sstevel@tonic-gate
19927f7c583Smyers ACPI_FUNCTION_TRACE_PTR (UtDeleteInternalObj, Object);
2007c478bd9Sstevel@tonic-gate
2017c478bd9Sstevel@tonic-gate
2027c478bd9Sstevel@tonic-gate if (!Object)
2037c478bd9Sstevel@tonic-gate {
2047c478bd9Sstevel@tonic-gate return_VOID;
2057c478bd9Sstevel@tonic-gate }
2067c478bd9Sstevel@tonic-gate
2077c478bd9Sstevel@tonic-gate /*
2087c478bd9Sstevel@tonic-gate * Must delete or free any pointers within the object that are not
2097c478bd9Sstevel@tonic-gate * actual ACPI objects (for example, a raw buffer pointer).
2107c478bd9Sstevel@tonic-gate */
211aa2aa9a6SDana Myers switch (Object->Common.Type)
2127c478bd9Sstevel@tonic-gate {
2137c478bd9Sstevel@tonic-gate case ACPI_TYPE_STRING:
2147c478bd9Sstevel@tonic-gate
2157c478bd9Sstevel@tonic-gate ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "**** String %p, ptr %p\n",
2167c478bd9Sstevel@tonic-gate Object, Object->String.Pointer));
2177c478bd9Sstevel@tonic-gate
2187c478bd9Sstevel@tonic-gate /* Free the actual string buffer */
2197c478bd9Sstevel@tonic-gate
2207c478bd9Sstevel@tonic-gate if (!(Object->Common.Flags & AOPOBJ_STATIC_POINTER))
2217c478bd9Sstevel@tonic-gate {
2227c478bd9Sstevel@tonic-gate /* But only if it is NOT a pointer into an ACPI table */
2237c478bd9Sstevel@tonic-gate
2247c478bd9Sstevel@tonic-gate ObjPointer = Object->String.Pointer;
2257c478bd9Sstevel@tonic-gate }
2267c478bd9Sstevel@tonic-gate break;
2277c478bd9Sstevel@tonic-gate
2287c478bd9Sstevel@tonic-gate case ACPI_TYPE_BUFFER:
2297c478bd9Sstevel@tonic-gate
2307c478bd9Sstevel@tonic-gate ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "**** Buffer %p, ptr %p\n",
2317c478bd9Sstevel@tonic-gate Object, Object->Buffer.Pointer));
2327c478bd9Sstevel@tonic-gate
2337c478bd9Sstevel@tonic-gate /* Free the actual buffer */
2347c478bd9Sstevel@tonic-gate
2357c478bd9Sstevel@tonic-gate if (!(Object->Common.Flags & AOPOBJ_STATIC_POINTER))
2367c478bd9Sstevel@tonic-gate {
2377c478bd9Sstevel@tonic-gate /* But only if it is NOT a pointer into an ACPI table */
2387c478bd9Sstevel@tonic-gate
2397c478bd9Sstevel@tonic-gate ObjPointer = Object->Buffer.Pointer;
2407c478bd9Sstevel@tonic-gate }
2417c478bd9Sstevel@tonic-gate break;
2427c478bd9Sstevel@tonic-gate
2437c478bd9Sstevel@tonic-gate case ACPI_TYPE_PACKAGE:
2447c478bd9Sstevel@tonic-gate
2457c478bd9Sstevel@tonic-gate ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, " **** Package of count %X\n",
2467c478bd9Sstevel@tonic-gate Object->Package.Count));
2477c478bd9Sstevel@tonic-gate
2487c478bd9Sstevel@tonic-gate /*
2497c478bd9Sstevel@tonic-gate * Elements of the package are not handled here, they are deleted
2507c478bd9Sstevel@tonic-gate * separately
2517c478bd9Sstevel@tonic-gate */
2527c478bd9Sstevel@tonic-gate
2537c478bd9Sstevel@tonic-gate /* Free the (variable length) element pointer array */
2547c478bd9Sstevel@tonic-gate
2557c478bd9Sstevel@tonic-gate ObjPointer = Object->Package.Elements;
2567c478bd9Sstevel@tonic-gate break;
2577c478bd9Sstevel@tonic-gate
258db2bae30SDana Myers /*
259db2bae30SDana Myers * These objects have a possible list of notify handlers.
260db2bae30SDana Myers * Device object also may have a GPE block.
261db2bae30SDana Myers */
2627c478bd9Sstevel@tonic-gate case ACPI_TYPE_DEVICE:
2637c478bd9Sstevel@tonic-gate
2647c478bd9Sstevel@tonic-gate if (Object->Device.GpeBlock)
2657c478bd9Sstevel@tonic-gate {
2667c478bd9Sstevel@tonic-gate (void) AcpiEvDeleteGpeBlock (Object->Device.GpeBlock);
2677c478bd9Sstevel@tonic-gate }
2687c478bd9Sstevel@tonic-gate
269db2bae30SDana Myers /*lint -fallthrough */
270db2bae30SDana Myers
271db2bae30SDana Myers case ACPI_TYPE_PROCESSOR:
272db2bae30SDana Myers case ACPI_TYPE_THERMAL:
2737c478bd9Sstevel@tonic-gate
2747b1019a6SJerry Jelinek /* Walk the address handler list for this object */
275db2bae30SDana Myers
276db2bae30SDana Myers HandlerDesc = Object->CommonNotify.Handler;
2777c478bd9Sstevel@tonic-gate while (HandlerDesc)
2787c478bd9Sstevel@tonic-gate {
2797c478bd9Sstevel@tonic-gate NextDesc = HandlerDesc->AddressSpace.Next;
2807c478bd9Sstevel@tonic-gate AcpiUtRemoveReference (HandlerDesc);
2817c478bd9Sstevel@tonic-gate HandlerDesc = NextDesc;
2827c478bd9Sstevel@tonic-gate }
2837c478bd9Sstevel@tonic-gate break;
2847c478bd9Sstevel@tonic-gate
2857c478bd9Sstevel@tonic-gate case ACPI_TYPE_MUTEX:
2867c478bd9Sstevel@tonic-gate
2877c478bd9Sstevel@tonic-gate ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
28827f7c583Smyers "***** Mutex %p, OS Mutex %p\n",
28927f7c583Smyers Object, Object->Mutex.OsMutex));
2907c478bd9Sstevel@tonic-gate
291db2bae30SDana Myers if (Object == AcpiGbl_GlobalLockMutex)
29227f7c583Smyers {
29327f7c583Smyers /* Global Lock has extra semaphore */
29427f7c583Smyers
29527f7c583Smyers (void) AcpiOsDeleteSemaphore (AcpiGbl_GlobalLockSemaphore);
29627f7c583Smyers AcpiGbl_GlobalLockSemaphore = NULL;
29727f7c583Smyers
29827f7c583Smyers AcpiOsDeleteMutex (Object->Mutex.OsMutex);
29927f7c583Smyers AcpiGbl_GlobalLockMutex = NULL;
30027f7c583Smyers }
30127f7c583Smyers else
30227f7c583Smyers {
30327f7c583Smyers AcpiExUnlinkMutex (Object);
30427f7c583Smyers AcpiOsDeleteMutex (Object->Mutex.OsMutex);
30527f7c583Smyers }
3067c478bd9Sstevel@tonic-gate break;
3077c478bd9Sstevel@tonic-gate
3087c478bd9Sstevel@tonic-gate case ACPI_TYPE_EVENT:
3097c478bd9Sstevel@tonic-gate
3107c478bd9Sstevel@tonic-gate ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
31127f7c583Smyers "***** Event %p, OS Semaphore %p\n",
31227f7c583Smyers Object, Object->Event.OsSemaphore));
3137c478bd9Sstevel@tonic-gate
31427f7c583Smyers (void) AcpiOsDeleteSemaphore (Object->Event.OsSemaphore);
31527f7c583Smyers Object->Event.OsSemaphore = NULL;
3167c478bd9Sstevel@tonic-gate break;
3177c478bd9Sstevel@tonic-gate
3187c478bd9Sstevel@tonic-gate case ACPI_TYPE_METHOD:
3197c478bd9Sstevel@tonic-gate
3207c478bd9Sstevel@tonic-gate ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
3217c478bd9Sstevel@tonic-gate "***** Method %p\n", Object));
3227c478bd9Sstevel@tonic-gate
32327f7c583Smyers /* Delete the method mutex if it exists */
3247c478bd9Sstevel@tonic-gate
32527f7c583Smyers if (Object->Method.Mutex)
3267c478bd9Sstevel@tonic-gate {
32727f7c583Smyers AcpiOsDeleteMutex (Object->Method.Mutex->Mutex.OsMutex);
32827f7c583Smyers AcpiUtDeleteObjectDesc (Object->Method.Mutex);
32927f7c583Smyers Object->Method.Mutex = NULL;
3307c478bd9Sstevel@tonic-gate }
3317c478bd9Sstevel@tonic-gate
3327b1019a6SJerry Jelinek if (Object->Method.Node)
3337b1019a6SJerry Jelinek {
3347b1019a6SJerry Jelinek Object->Method.Node = NULL;
3357b1019a6SJerry Jelinek }
3367b1019a6SJerry Jelinek break;
3377c478bd9Sstevel@tonic-gate
3387c478bd9Sstevel@tonic-gate case ACPI_TYPE_REGION:
3397c478bd9Sstevel@tonic-gate
3407c478bd9Sstevel@tonic-gate ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
3417c478bd9Sstevel@tonic-gate "***** Region %p\n", Object));
3427c478bd9Sstevel@tonic-gate
3437b1019a6SJerry Jelinek /*
3447b1019a6SJerry Jelinek * Update AddressRange list. However, only permanent regions
3457b1019a6SJerry Jelinek * are installed in this list. (Not created within a method)
3467b1019a6SJerry Jelinek */
3477b1019a6SJerry Jelinek if (!(Object->Region.Node->Flags & ANOBJ_TEMPORARY))
3487b1019a6SJerry Jelinek {
3497b1019a6SJerry Jelinek AcpiUtRemoveAddressRange (Object->Region.SpaceId,
3507b1019a6SJerry Jelinek Object->Region.Node);
3517b1019a6SJerry Jelinek }
3527b1019a6SJerry Jelinek
3537c478bd9Sstevel@tonic-gate SecondDesc = AcpiNsGetSecondaryObject (Object);
3547c478bd9Sstevel@tonic-gate if (SecondDesc)
3557c478bd9Sstevel@tonic-gate {
3567c478bd9Sstevel@tonic-gate /*
3577c478bd9Sstevel@tonic-gate * Free the RegionContext if and only if the handler is one of the
3587c478bd9Sstevel@tonic-gate * default handlers -- and therefore, we created the context object
3597c478bd9Sstevel@tonic-gate * locally, it was not created by an external caller.
3607c478bd9Sstevel@tonic-gate */
3617c478bd9Sstevel@tonic-gate HandlerDesc = Object->Region.Handler;
3627c478bd9Sstevel@tonic-gate if (HandlerDesc)
3637c478bd9Sstevel@tonic-gate {
364aa2aa9a6SDana Myers NextDesc = HandlerDesc->AddressSpace.RegionList;
3657b1019a6SJerry Jelinek StartDesc = NextDesc;
366aa2aa9a6SDana Myers LastObjPtr = &HandlerDesc->AddressSpace.RegionList;
367aa2aa9a6SDana Myers
3687b1019a6SJerry Jelinek /* Remove the region object from the handler list */
369aa2aa9a6SDana Myers
370aa2aa9a6SDana Myers while (NextDesc)
371aa2aa9a6SDana Myers {
372aa2aa9a6SDana Myers if (NextDesc == Object)
373aa2aa9a6SDana Myers {
374aa2aa9a6SDana Myers *LastObjPtr = NextDesc->Region.Next;
375aa2aa9a6SDana Myers break;
376aa2aa9a6SDana Myers }
377aa2aa9a6SDana Myers
3787b1019a6SJerry Jelinek /* Walk the linked list of handlers */
379aa2aa9a6SDana Myers
380aa2aa9a6SDana Myers LastObjPtr = &NextDesc->Region.Next;
381aa2aa9a6SDana Myers NextDesc = NextDesc->Region.Next;
3827b1019a6SJerry Jelinek
3837b1019a6SJerry Jelinek /* Prevent infinite loop if list is corrupted */
3847b1019a6SJerry Jelinek
3857b1019a6SJerry Jelinek if (NextDesc == StartDesc)
3867b1019a6SJerry Jelinek {
3877b1019a6SJerry Jelinek ACPI_ERROR ((AE_INFO,
3887b1019a6SJerry Jelinek "Circular region list in address handler object %p",
3897b1019a6SJerry Jelinek HandlerDesc));
3907b1019a6SJerry Jelinek return_VOID;
3917b1019a6SJerry Jelinek }
392aa2aa9a6SDana Myers }
393aa2aa9a6SDana Myers
39427f7c583Smyers if (HandlerDesc->AddressSpace.HandlerFlags &
39527f7c583Smyers ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)
3967c478bd9Sstevel@tonic-gate {
39703335b7aSmyers /* Deactivate region and free region context */
39803335b7aSmyers
39927f7c583Smyers if (HandlerDesc->AddressSpace.Setup)
40027f7c583Smyers {
40127f7c583Smyers (void) HandlerDesc->AddressSpace.Setup (Object,
40203335b7aSmyers ACPI_REGION_DEACTIVATE,
40327f7c583Smyers HandlerDesc->AddressSpace.Context,
40427f7c583Smyers &SecondDesc->Extra.RegionContext);
40527f7c583Smyers }
4067c478bd9Sstevel@tonic-gate }
4077c478bd9Sstevel@tonic-gate
4087c478bd9Sstevel@tonic-gate AcpiUtRemoveReference (HandlerDesc);
4097c478bd9Sstevel@tonic-gate }
4107c478bd9Sstevel@tonic-gate
4117c478bd9Sstevel@tonic-gate /* Now we can free the Extra object */
4127c478bd9Sstevel@tonic-gate
4137c478bd9Sstevel@tonic-gate AcpiUtDeleteObjectDesc (SecondDesc);
4147c478bd9Sstevel@tonic-gate }
4157c478bd9Sstevel@tonic-gate break;
4167c478bd9Sstevel@tonic-gate
4177c478bd9Sstevel@tonic-gate case ACPI_TYPE_BUFFER_FIELD:
4187c478bd9Sstevel@tonic-gate
4197c478bd9Sstevel@tonic-gate ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
4207c478bd9Sstevel@tonic-gate "***** Buffer Field %p\n", Object));
4217c478bd9Sstevel@tonic-gate
4227c478bd9Sstevel@tonic-gate SecondDesc = AcpiNsGetSecondaryObject (Object);
4237c478bd9Sstevel@tonic-gate if (SecondDesc)
4247c478bd9Sstevel@tonic-gate {
4257c478bd9Sstevel@tonic-gate AcpiUtDeleteObjectDesc (SecondDesc);
4267c478bd9Sstevel@tonic-gate }
4277c478bd9Sstevel@tonic-gate break;
4287c478bd9Sstevel@tonic-gate
429db2bae30SDana Myers case ACPI_TYPE_LOCAL_BANK_FIELD:
430db2bae30SDana Myers
431db2bae30SDana Myers ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
432db2bae30SDana Myers "***** Bank Field %p\n", Object));
433db2bae30SDana Myers
434db2bae30SDana Myers SecondDesc = AcpiNsGetSecondaryObject (Object);
435db2bae30SDana Myers if (SecondDesc)
436db2bae30SDana Myers {
437db2bae30SDana Myers AcpiUtDeleteObjectDesc (SecondDesc);
438db2bae30SDana Myers }
439db2bae30SDana Myers break;
440db2bae30SDana Myers
4417c478bd9Sstevel@tonic-gate default:
4427b1019a6SJerry Jelinek
4437c478bd9Sstevel@tonic-gate break;
4447c478bd9Sstevel@tonic-gate }
4457c478bd9Sstevel@tonic-gate
4467c478bd9Sstevel@tonic-gate /* Free any allocated memory (pointer within the object) found above */
4477c478bd9Sstevel@tonic-gate
4487c478bd9Sstevel@tonic-gate if (ObjPointer)
4497c478bd9Sstevel@tonic-gate {
4507c478bd9Sstevel@tonic-gate ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Deleting Object Subptr %p\n",
45127f7c583Smyers ObjPointer));
45227f7c583Smyers ACPI_FREE (ObjPointer);
4537c478bd9Sstevel@tonic-gate }
4547c478bd9Sstevel@tonic-gate
4557c478bd9Sstevel@tonic-gate /* Now the object can be safely deleted */
4567c478bd9Sstevel@tonic-gate
457*35786f68SRobert Mustacchi ACPI_DEBUG_PRINT_RAW ((ACPI_DB_ALLOCATIONS, "%s: Deleting Object %p [%s]\n",
458*35786f68SRobert Mustacchi ACPI_GET_FUNCTION_NAME, Object, AcpiUtGetObjectTypeName (Object)));
4597c478bd9Sstevel@tonic-gate
4607c478bd9Sstevel@tonic-gate AcpiUtDeleteObjectDesc (Object);
4617c478bd9Sstevel@tonic-gate return_VOID;
4627c478bd9Sstevel@tonic-gate }
4637c478bd9Sstevel@tonic-gate
4647c478bd9Sstevel@tonic-gate
4657c478bd9Sstevel@tonic-gate /*******************************************************************************
4667c478bd9Sstevel@tonic-gate *
4677c478bd9Sstevel@tonic-gate * FUNCTION: AcpiUtDeleteInternalObjectList
4687c478bd9Sstevel@tonic-gate *
4697c478bd9Sstevel@tonic-gate * PARAMETERS: ObjList - Pointer to the list to be deleted
4707c478bd9Sstevel@tonic-gate *
4717c478bd9Sstevel@tonic-gate * RETURN: None
4727c478bd9Sstevel@tonic-gate *
4737c478bd9Sstevel@tonic-gate * DESCRIPTION: This function deletes an internal object list, including both
4747c478bd9Sstevel@tonic-gate * simple objects and package objects
4757c478bd9Sstevel@tonic-gate *
4767c478bd9Sstevel@tonic-gate ******************************************************************************/
4777c478bd9Sstevel@tonic-gate
4787c478bd9Sstevel@tonic-gate void
AcpiUtDeleteInternalObjectList(ACPI_OPERAND_OBJECT ** ObjList)4797c478bd9Sstevel@tonic-gate AcpiUtDeleteInternalObjectList (
4807c478bd9Sstevel@tonic-gate ACPI_OPERAND_OBJECT **ObjList)
4817c478bd9Sstevel@tonic-gate {
4827c478bd9Sstevel@tonic-gate ACPI_OPERAND_OBJECT **InternalObj;
4837c478bd9Sstevel@tonic-gate
4847c478bd9Sstevel@tonic-gate
4857b1019a6SJerry Jelinek ACPI_FUNCTION_ENTRY ();
4867c478bd9Sstevel@tonic-gate
4877c478bd9Sstevel@tonic-gate
4887c478bd9Sstevel@tonic-gate /* Walk the null-terminated internal list */
4897c478bd9Sstevel@tonic-gate
4907c478bd9Sstevel@tonic-gate for (InternalObj = ObjList; *InternalObj; InternalObj++)
4917c478bd9Sstevel@tonic-gate {
4927c478bd9Sstevel@tonic-gate AcpiUtRemoveReference (*InternalObj);
4937c478bd9Sstevel@tonic-gate }
4947c478bd9Sstevel@tonic-gate
4957c478bd9Sstevel@tonic-gate /* Free the combined parameter pointer list and object array */
4967c478bd9Sstevel@tonic-gate
49727f7c583Smyers ACPI_FREE (ObjList);
4987b1019a6SJerry Jelinek return;
4997c478bd9Sstevel@tonic-gate }
5007c478bd9Sstevel@tonic-gate
5017c478bd9Sstevel@tonic-gate
5027c478bd9Sstevel@tonic-gate /*******************************************************************************
5037c478bd9Sstevel@tonic-gate *
5047c478bd9Sstevel@tonic-gate * FUNCTION: AcpiUtUpdateRefCount
5057c478bd9Sstevel@tonic-gate *
5067c478bd9Sstevel@tonic-gate * PARAMETERS: Object - Object whose ref count is to be updated
5077b1019a6SJerry Jelinek * Action - What to do (REF_INCREMENT or REF_DECREMENT)
5087c478bd9Sstevel@tonic-gate *
5097b1019a6SJerry Jelinek * RETURN: None. Sets new reference count within the object
5107c478bd9Sstevel@tonic-gate *
5117b1019a6SJerry Jelinek * DESCRIPTION: Modify the reference count for an internal acpi object
5127c478bd9Sstevel@tonic-gate *
5137c478bd9Sstevel@tonic-gate ******************************************************************************/
5147c478bd9Sstevel@tonic-gate
5157c478bd9Sstevel@tonic-gate static void
AcpiUtUpdateRefCount(ACPI_OPERAND_OBJECT * Object,UINT32 Action)5167c478bd9Sstevel@tonic-gate AcpiUtUpdateRefCount (
5177c478bd9Sstevel@tonic-gate ACPI_OPERAND_OBJECT *Object,
5187c478bd9Sstevel@tonic-gate UINT32 Action)
5197c478bd9Sstevel@tonic-gate {
5207b1019a6SJerry Jelinek UINT16 OriginalCount;
5217b1019a6SJerry Jelinek UINT16 NewCount = 0;
5227b1019a6SJerry Jelinek ACPI_CPU_FLAGS LockFlags;
5237c478bd9Sstevel@tonic-gate
5247c478bd9Sstevel@tonic-gate
52527f7c583Smyers ACPI_FUNCTION_NAME (UtUpdateRefCount);
5267c478bd9Sstevel@tonic-gate
5277c478bd9Sstevel@tonic-gate
5287c478bd9Sstevel@tonic-gate if (!Object)
5297c478bd9Sstevel@tonic-gate {
5307c478bd9Sstevel@tonic-gate return;
5317c478bd9Sstevel@tonic-gate }
5327c478bd9Sstevel@tonic-gate
5337c478bd9Sstevel@tonic-gate /*
5347b1019a6SJerry Jelinek * Always get the reference count lock. Note: Interpreter and/or
5357b1019a6SJerry Jelinek * Namespace is not always locked when this function is called.
5367c478bd9Sstevel@tonic-gate */
5377b1019a6SJerry Jelinek LockFlags = AcpiOsAcquireLock (AcpiGbl_ReferenceCountLock);
5387b1019a6SJerry Jelinek OriginalCount = Object->Common.ReferenceCount;
5397b1019a6SJerry Jelinek
5407b1019a6SJerry Jelinek /* Perform the reference count action (increment, decrement) */
5417b1019a6SJerry Jelinek
5427c478bd9Sstevel@tonic-gate switch (Action)
5437c478bd9Sstevel@tonic-gate {
5447c478bd9Sstevel@tonic-gate case REF_INCREMENT:
5457c478bd9Sstevel@tonic-gate
5467b1019a6SJerry Jelinek NewCount = OriginalCount + 1;
5477c478bd9Sstevel@tonic-gate Object->Common.ReferenceCount = NewCount;
5487b1019a6SJerry Jelinek AcpiOsReleaseLock (AcpiGbl_ReferenceCountLock, LockFlags);
5497b1019a6SJerry Jelinek
5507b1019a6SJerry Jelinek /* The current reference count should never be zero here */
5517b1019a6SJerry Jelinek
5527b1019a6SJerry Jelinek if (!OriginalCount)
5537b1019a6SJerry Jelinek {
5547b1019a6SJerry Jelinek ACPI_WARNING ((AE_INFO,
5557b1019a6SJerry Jelinek "Obj %p, Reference Count was zero before increment\n",
5567b1019a6SJerry Jelinek Object));
5577b1019a6SJerry Jelinek }
5587c478bd9Sstevel@tonic-gate
5597c478bd9Sstevel@tonic-gate ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
560*35786f68SRobert Mustacchi "Obj %p Type %.2X [%s] Refs %.2X [Incremented]\n",
561*35786f68SRobert Mustacchi Object, Object->Common.Type,
562*35786f68SRobert Mustacchi AcpiUtGetObjectTypeName (Object), NewCount));
5637c478bd9Sstevel@tonic-gate break;
5647c478bd9Sstevel@tonic-gate
5657c478bd9Sstevel@tonic-gate case REF_DECREMENT:
5667c478bd9Sstevel@tonic-gate
5677b1019a6SJerry Jelinek /* The current reference count must be non-zero */
5687c478bd9Sstevel@tonic-gate
5697b1019a6SJerry Jelinek if (OriginalCount)
5707c478bd9Sstevel@tonic-gate {
5717b1019a6SJerry Jelinek NewCount = OriginalCount - 1;
5727b1019a6SJerry Jelinek Object->Common.ReferenceCount = NewCount;
5737c478bd9Sstevel@tonic-gate }
5747c478bd9Sstevel@tonic-gate
5757b1019a6SJerry Jelinek AcpiOsReleaseLock (AcpiGbl_ReferenceCountLock, LockFlags);
5767b1019a6SJerry Jelinek
5777b1019a6SJerry Jelinek if (!OriginalCount)
5787c478bd9Sstevel@tonic-gate {
5797b1019a6SJerry Jelinek ACPI_WARNING ((AE_INFO,
5807b1019a6SJerry Jelinek "Obj %p, Reference Count is already zero, cannot decrement\n",
5817b1019a6SJerry Jelinek Object));
5827c478bd9Sstevel@tonic-gate }
5837c478bd9Sstevel@tonic-gate
584*35786f68SRobert Mustacchi ACPI_DEBUG_PRINT_RAW ((ACPI_DB_ALLOCATIONS,
585*35786f68SRobert Mustacchi "%s: Obj %p Type %.2X Refs %.2X [Decremented]\n",
586*35786f68SRobert Mustacchi ACPI_GET_FUNCTION_NAME, Object, Object->Common.Type, NewCount));
5877b1019a6SJerry Jelinek
5887b1019a6SJerry Jelinek /* Actually delete the object on a reference count of zero */
5897b1019a6SJerry Jelinek
5907c478bd9Sstevel@tonic-gate if (NewCount == 0)
5917c478bd9Sstevel@tonic-gate {
5927c478bd9Sstevel@tonic-gate AcpiUtDeleteInternalObj (Object);
5937c478bd9Sstevel@tonic-gate }
5947c478bd9Sstevel@tonic-gate break;
5957c478bd9Sstevel@tonic-gate
5967c478bd9Sstevel@tonic-gate default:
5977c478bd9Sstevel@tonic-gate
5987b1019a6SJerry Jelinek AcpiOsReleaseLock (AcpiGbl_ReferenceCountLock, LockFlags);
5997b1019a6SJerry Jelinek ACPI_ERROR ((AE_INFO, "Unknown Reference Count action (0x%X)",
6007b1019a6SJerry Jelinek Action));
6017b1019a6SJerry Jelinek return;
6027c478bd9Sstevel@tonic-gate }
6037c478bd9Sstevel@tonic-gate
6047c478bd9Sstevel@tonic-gate /*
6057c478bd9Sstevel@tonic-gate * Sanity check the reference count, for debug purposes only.
6067c478bd9Sstevel@tonic-gate * (A deleted object will have a huge reference count)
6077c478bd9Sstevel@tonic-gate */
6087b1019a6SJerry Jelinek if (NewCount > ACPI_MAX_REFERENCE_COUNT)
6097c478bd9Sstevel@tonic-gate {
61030082d0cSmyers ACPI_WARNING ((AE_INFO,
6117b1019a6SJerry Jelinek "Large Reference Count (0x%X) in object %p, Type=0x%.2X",
6127b1019a6SJerry Jelinek NewCount, Object, Object->Common.Type));
6137c478bd9Sstevel@tonic-gate }
6147c478bd9Sstevel@tonic-gate }
6157c478bd9Sstevel@tonic-gate
6167c478bd9Sstevel@tonic-gate
6177c478bd9Sstevel@tonic-gate /*******************************************************************************
6187c478bd9Sstevel@tonic-gate *
6197c478bd9Sstevel@tonic-gate * FUNCTION: AcpiUtUpdateObjectReference
6207c478bd9Sstevel@tonic-gate *
6217c478bd9Sstevel@tonic-gate * PARAMETERS: Object - Increment ref count for this object
6227c478bd9Sstevel@tonic-gate * and all sub-objects
6237b1019a6SJerry Jelinek * Action - Either REF_INCREMENT or REF_DECREMENT
6247c478bd9Sstevel@tonic-gate *
6257c478bd9Sstevel@tonic-gate * RETURN: Status
6267c478bd9Sstevel@tonic-gate *
6277c478bd9Sstevel@tonic-gate * DESCRIPTION: Increment the object reference count
6287c478bd9Sstevel@tonic-gate *
6297c478bd9Sstevel@tonic-gate * Object references are incremented when:
6307c478bd9Sstevel@tonic-gate * 1) An object is attached to a Node (namespace object)
6317c478bd9Sstevel@tonic-gate * 2) An object is copied (all subobjects must be incremented)
6327c478bd9Sstevel@tonic-gate *
6337c478bd9Sstevel@tonic-gate * Object references are decremented when:
6347c478bd9Sstevel@tonic-gate * 1) An object is detached from an Node
6357c478bd9Sstevel@tonic-gate *
6367c478bd9Sstevel@tonic-gate ******************************************************************************/
6377c478bd9Sstevel@tonic-gate
6387c478bd9Sstevel@tonic-gate ACPI_STATUS
AcpiUtUpdateObjectReference(ACPI_OPERAND_OBJECT * Object,UINT16 Action)6397c478bd9Sstevel@tonic-gate AcpiUtUpdateObjectReference (
6407c478bd9Sstevel@tonic-gate ACPI_OPERAND_OBJECT *Object,
6417c478bd9Sstevel@tonic-gate UINT16 Action)
6427c478bd9Sstevel@tonic-gate {
643450d6964Smyers ACPI_STATUS Status = AE_OK;
644450d6964Smyers ACPI_GENERIC_STATE *StateList = NULL;
645450d6964Smyers ACPI_OPERAND_OBJECT *NextObject = NULL;
6467b1019a6SJerry Jelinek ACPI_OPERAND_OBJECT *PrevObject;
647450d6964Smyers ACPI_GENERIC_STATE *State;
648db2bae30SDana Myers UINT32 i;
6497c478bd9Sstevel@tonic-gate
6507c478bd9Sstevel@tonic-gate
6517b1019a6SJerry Jelinek ACPI_FUNCTION_NAME (UtUpdateObjectReference);
6527c478bd9Sstevel@tonic-gate
6537c478bd9Sstevel@tonic-gate
654450d6964Smyers while (Object)
6557c478bd9Sstevel@tonic-gate {
656450d6964Smyers /* Make sure that this isn't a namespace handle */
6577c478bd9Sstevel@tonic-gate
658450d6964Smyers if (ACPI_GET_DESCRIPTOR_TYPE (Object) == ACPI_DESC_TYPE_NAMED)
659450d6964Smyers {
660450d6964Smyers ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
661450d6964Smyers "Object %p is NS handle\n", Object));
6627b1019a6SJerry Jelinek return (AE_OK);
663450d6964Smyers }
6647c478bd9Sstevel@tonic-gate
6657c478bd9Sstevel@tonic-gate /*
6667b1019a6SJerry Jelinek * All sub-objects must have their reference count incremented
6677b1019a6SJerry Jelinek * also. Different object types have different subobjects.
6687c478bd9Sstevel@tonic-gate */
669aa2aa9a6SDana Myers switch (Object->Common.Type)
6707c478bd9Sstevel@tonic-gate {
6717c478bd9Sstevel@tonic-gate case ACPI_TYPE_DEVICE:
67227f7c583Smyers case ACPI_TYPE_PROCESSOR:
67327f7c583Smyers case ACPI_TYPE_POWER:
67427f7c583Smyers case ACPI_TYPE_THERMAL:
6757b1019a6SJerry Jelinek /*
6767b1019a6SJerry Jelinek * Update the notify objects for these types (if present)
6777b1019a6SJerry Jelinek * Two lists, system and device notify handlers.
6787b1019a6SJerry Jelinek */
6797b1019a6SJerry Jelinek for (i = 0; i < ACPI_NUM_NOTIFY_TYPES; i++)
6807b1019a6SJerry Jelinek {
6817b1019a6SJerry Jelinek PrevObject = Object->CommonNotify.NotifyList[i];
6827b1019a6SJerry Jelinek while (PrevObject)
6837b1019a6SJerry Jelinek {
6847b1019a6SJerry Jelinek NextObject = PrevObject->Notify.Next[i];
6857b1019a6SJerry Jelinek AcpiUtUpdateRefCount (PrevObject, Action);
6867b1019a6SJerry Jelinek PrevObject = NextObject;
6877b1019a6SJerry Jelinek }
6887b1019a6SJerry Jelinek }
6897c478bd9Sstevel@tonic-gate break;
6907c478bd9Sstevel@tonic-gate
6917c478bd9Sstevel@tonic-gate case ACPI_TYPE_PACKAGE:
6927c478bd9Sstevel@tonic-gate /*
693450d6964Smyers * We must update all the sub-objects of the package,
694450d6964Smyers * each of whom may have their own sub-objects.
6957c478bd9Sstevel@tonic-gate */
6967c478bd9Sstevel@tonic-gate for (i = 0; i < Object->Package.Count; i++)
6977c478bd9Sstevel@tonic-gate {
6987c478bd9Sstevel@tonic-gate /*
6997b1019a6SJerry Jelinek * Null package elements are legal and can be simply
7007b1019a6SJerry Jelinek * ignored.
7017c478bd9Sstevel@tonic-gate */
7027b1019a6SJerry Jelinek NextObject = Object->Package.Elements[i];
7037b1019a6SJerry Jelinek if (!NextObject)
7047b1019a6SJerry Jelinek {
7057b1019a6SJerry Jelinek continue;
7067b1019a6SJerry Jelinek }
7077b1019a6SJerry Jelinek
7087b1019a6SJerry Jelinek switch (NextObject->Common.Type)
7097c478bd9Sstevel@tonic-gate {
7107b1019a6SJerry Jelinek case ACPI_TYPE_INTEGER:
7117b1019a6SJerry Jelinek case ACPI_TYPE_STRING:
7127b1019a6SJerry Jelinek case ACPI_TYPE_BUFFER:
7137b1019a6SJerry Jelinek /*
7147b1019a6SJerry Jelinek * For these very simple sub-objects, we can just
7157b1019a6SJerry Jelinek * update the reference count here and continue.
7167b1019a6SJerry Jelinek * Greatly increases performance of this operation.
7177b1019a6SJerry Jelinek */
7187b1019a6SJerry Jelinek AcpiUtUpdateRefCount (NextObject, Action);
7197b1019a6SJerry Jelinek break;
7207b1019a6SJerry Jelinek
7217b1019a6SJerry Jelinek default:
7227b1019a6SJerry Jelinek /*
7237b1019a6SJerry Jelinek * For complex sub-objects, push them onto the stack
7247b1019a6SJerry Jelinek * for later processing (this eliminates recursion.)
7257b1019a6SJerry Jelinek */
7267b1019a6SJerry Jelinek Status = AcpiUtCreateUpdateStateAndPush (
7277b1019a6SJerry Jelinek NextObject, Action, &StateList);
7287b1019a6SJerry Jelinek if (ACPI_FAILURE (Status))
7297b1019a6SJerry Jelinek {
7307b1019a6SJerry Jelinek goto ErrorExit;
7317b1019a6SJerry Jelinek }
7327b1019a6SJerry Jelinek break;
7337c478bd9Sstevel@tonic-gate }
7347c478bd9Sstevel@tonic-gate }
7357b1019a6SJerry Jelinek NextObject = NULL;
7367c478bd9Sstevel@tonic-gate break;
7377c478bd9Sstevel@tonic-gate
7387c478bd9Sstevel@tonic-gate case ACPI_TYPE_BUFFER_FIELD:
7397c478bd9Sstevel@tonic-gate
740450d6964Smyers NextObject = Object->BufferField.BufferObj;
7417c478bd9Sstevel@tonic-gate break;
7427c478bd9Sstevel@tonic-gate
7437c478bd9Sstevel@tonic-gate case ACPI_TYPE_LOCAL_REGION_FIELD:
7447c478bd9Sstevel@tonic-gate
745450d6964Smyers NextObject = Object->Field.RegionObj;
746450d6964Smyers break;
7477c478bd9Sstevel@tonic-gate
7487c478bd9Sstevel@tonic-gate case ACPI_TYPE_LOCAL_BANK_FIELD:
7497c478bd9Sstevel@tonic-gate
750450d6964Smyers NextObject = Object->BankField.BankObj;
7517c478bd9Sstevel@tonic-gate Status = AcpiUtCreateUpdateStateAndPush (
7527b1019a6SJerry Jelinek Object->BankField.RegionObj, Action, &StateList);
7537c478bd9Sstevel@tonic-gate if (ACPI_FAILURE (Status))
7547c478bd9Sstevel@tonic-gate {
7557c478bd9Sstevel@tonic-gate goto ErrorExit;
7567c478bd9Sstevel@tonic-gate }
7577c478bd9Sstevel@tonic-gate break;
7587c478bd9Sstevel@tonic-gate
7597c478bd9Sstevel@tonic-gate case ACPI_TYPE_LOCAL_INDEX_FIELD:
7607c478bd9Sstevel@tonic-gate
761450d6964Smyers NextObject = Object->IndexField.IndexObj;
7627c478bd9Sstevel@tonic-gate Status = AcpiUtCreateUpdateStateAndPush (
7637b1019a6SJerry Jelinek Object->IndexField.DataObj, Action, &StateList);
7647c478bd9Sstevel@tonic-gate if (ACPI_FAILURE (Status))
7657c478bd9Sstevel@tonic-gate {
7667c478bd9Sstevel@tonic-gate goto ErrorExit;
7677c478bd9Sstevel@tonic-gate }
7687c478bd9Sstevel@tonic-gate break;
7697c478bd9Sstevel@tonic-gate
7707c478bd9Sstevel@tonic-gate case ACPI_TYPE_LOCAL_REFERENCE:
7717c478bd9Sstevel@tonic-gate /*
772db2bae30SDana Myers * The target of an Index (a package, string, or buffer) or a named
773db2bae30SDana Myers * reference must track changes to the ref count of the index or
774db2bae30SDana Myers * target object.
7757c478bd9Sstevel@tonic-gate */
776db2bae30SDana Myers if ((Object->Reference.Class == ACPI_REFCLASS_INDEX) ||
777db2bae30SDana Myers (Object->Reference.Class== ACPI_REFCLASS_NAME))
7787c478bd9Sstevel@tonic-gate {
779450d6964Smyers NextObject = Object->Reference.Object;
7807c478bd9Sstevel@tonic-gate }
7817c478bd9Sstevel@tonic-gate break;
7827c478bd9Sstevel@tonic-gate
7837c478bd9Sstevel@tonic-gate case ACPI_TYPE_REGION:
7847c478bd9Sstevel@tonic-gate default:
7857b1019a6SJerry Jelinek
78627f7c583Smyers break; /* No subobjects for all other types */
7877c478bd9Sstevel@tonic-gate }
7887c478bd9Sstevel@tonic-gate
7897c478bd9Sstevel@tonic-gate /*
79027f7c583Smyers * Now we can update the count in the main object. This can only
7917c478bd9Sstevel@tonic-gate * happen after we update the sub-objects in case this causes the
7927c478bd9Sstevel@tonic-gate * main object to be deleted.
7937c478bd9Sstevel@tonic-gate */
7947c478bd9Sstevel@tonic-gate AcpiUtUpdateRefCount (Object, Action);
795450d6964Smyers Object = NULL;
7967c478bd9Sstevel@tonic-gate
7977c478bd9Sstevel@tonic-gate /* Move on to the next object to be updated */
7987c478bd9Sstevel@tonic-gate
799450d6964Smyers if (NextObject)
800450d6964Smyers {
801450d6964Smyers Object = NextObject;
802450d6964Smyers NextObject = NULL;
803450d6964Smyers }
804450d6964Smyers else if (StateList)
805450d6964Smyers {
806450d6964Smyers State = AcpiUtPopGenericState (&StateList);
807450d6964Smyers Object = State->Update.Object;
808450d6964Smyers AcpiUtDeleteGenericState (State);
809450d6964Smyers }
8107c478bd9Sstevel@tonic-gate }
8117c478bd9Sstevel@tonic-gate
8127b1019a6SJerry Jelinek return (AE_OK);
8137c478bd9Sstevel@tonic-gate
814aa2aa9a6SDana Myers
8157c478bd9Sstevel@tonic-gate ErrorExit:
8167c478bd9Sstevel@tonic-gate
81730082d0cSmyers ACPI_EXCEPTION ((AE_INFO, Status,
81830082d0cSmyers "Could not update object reference count"));
8197c478bd9Sstevel@tonic-gate
820aa2aa9a6SDana Myers /* Free any stacked Update State objects */
821aa2aa9a6SDana Myers
822aa2aa9a6SDana Myers while (StateList)
823aa2aa9a6SDana Myers {
824aa2aa9a6SDana Myers State = AcpiUtPopGenericState (&StateList);
825aa2aa9a6SDana Myers AcpiUtDeleteGenericState (State);
826aa2aa9a6SDana Myers }
827aa2aa9a6SDana Myers
8287b1019a6SJerry Jelinek return (Status);
8297c478bd9Sstevel@tonic-gate }
8307c478bd9Sstevel@tonic-gate
8317c478bd9Sstevel@tonic-gate
8327c478bd9Sstevel@tonic-gate /*******************************************************************************
8337c478bd9Sstevel@tonic-gate *
8347c478bd9Sstevel@tonic-gate * FUNCTION: AcpiUtAddReference
8357c478bd9Sstevel@tonic-gate *
8367c478bd9Sstevel@tonic-gate * PARAMETERS: Object - Object whose reference count is to be
8377c478bd9Sstevel@tonic-gate * incremented
8387c478bd9Sstevel@tonic-gate *
8397c478bd9Sstevel@tonic-gate * RETURN: None
8407c478bd9Sstevel@tonic-gate *
8417c478bd9Sstevel@tonic-gate * DESCRIPTION: Add one reference to an ACPI object
8427c478bd9Sstevel@tonic-gate *
8437c478bd9Sstevel@tonic-gate ******************************************************************************/
8447c478bd9Sstevel@tonic-gate
8457c478bd9Sstevel@tonic-gate void
AcpiUtAddReference(ACPI_OPERAND_OBJECT * Object)8467c478bd9Sstevel@tonic-gate AcpiUtAddReference (
8477c478bd9Sstevel@tonic-gate ACPI_OPERAND_OBJECT *Object)
8487c478bd9Sstevel@tonic-gate {
8497c478bd9Sstevel@tonic-gate
8507b1019a6SJerry Jelinek ACPI_FUNCTION_NAME (UtAddReference);
8517c478bd9Sstevel@tonic-gate
8527c478bd9Sstevel@tonic-gate
8537c478bd9Sstevel@tonic-gate /* Ensure that we have a valid object */
8547c478bd9Sstevel@tonic-gate
8557c478bd9Sstevel@tonic-gate if (!AcpiUtValidInternalObject (Object))
8567c478bd9Sstevel@tonic-gate {
8577b1019a6SJerry Jelinek return;
8587c478bd9Sstevel@tonic-gate }
8597c478bd9Sstevel@tonic-gate
8607c478bd9Sstevel@tonic-gate ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
8617c478bd9Sstevel@tonic-gate "Obj %p Current Refs=%X [To Be Incremented]\n",
8627c478bd9Sstevel@tonic-gate Object, Object->Common.ReferenceCount));
8637c478bd9Sstevel@tonic-gate
8647c478bd9Sstevel@tonic-gate /* Increment the reference count */
8657c478bd9Sstevel@tonic-gate
86627f7c583Smyers (void) AcpiUtUpdateObjectReference (Object, REF_INCREMENT);
8677b1019a6SJerry Jelinek return;
8687c478bd9Sstevel@tonic-gate }
8697c478bd9Sstevel@tonic-gate
8707c478bd9Sstevel@tonic-gate
8717c478bd9Sstevel@tonic-gate /*******************************************************************************
8727c478bd9Sstevel@tonic-gate *
8737c478bd9Sstevel@tonic-gate * FUNCTION: AcpiUtRemoveReference
8747c478bd9Sstevel@tonic-gate *
8757c478bd9Sstevel@tonic-gate * PARAMETERS: Object - Object whose ref count will be decremented
8767c478bd9Sstevel@tonic-gate *
8777c478bd9Sstevel@tonic-gate * RETURN: None
8787c478bd9Sstevel@tonic-gate *
8797c478bd9Sstevel@tonic-gate * DESCRIPTION: Decrement the reference count of an ACPI internal object
8807c478bd9Sstevel@tonic-gate *
8817c478bd9Sstevel@tonic-gate ******************************************************************************/
8827c478bd9Sstevel@tonic-gate
8837c478bd9Sstevel@tonic-gate void
AcpiUtRemoveReference(ACPI_OPERAND_OBJECT * Object)8847c478bd9Sstevel@tonic-gate AcpiUtRemoveReference (
8857c478bd9Sstevel@tonic-gate ACPI_OPERAND_OBJECT *Object)
8867c478bd9Sstevel@tonic-gate {
8877c478bd9Sstevel@tonic-gate
8887b1019a6SJerry Jelinek ACPI_FUNCTION_NAME (UtRemoveReference);
8897c478bd9Sstevel@tonic-gate
8907c478bd9Sstevel@tonic-gate
8917c478bd9Sstevel@tonic-gate /*
89227f7c583Smyers * Allow a NULL pointer to be passed in, just ignore it. This saves
89327f7c583Smyers * each caller from having to check. Also, ignore NS nodes.
8947c478bd9Sstevel@tonic-gate */
8957c478bd9Sstevel@tonic-gate if (!Object ||
8967c478bd9Sstevel@tonic-gate (ACPI_GET_DESCRIPTOR_TYPE (Object) == ACPI_DESC_TYPE_NAMED))
8977c478bd9Sstevel@tonic-gate
8987c478bd9Sstevel@tonic-gate {
8997b1019a6SJerry Jelinek return;
9007c478bd9Sstevel@tonic-gate }
9017c478bd9Sstevel@tonic-gate
9027c478bd9Sstevel@tonic-gate /* Ensure that we have a valid object */
9037c478bd9Sstevel@tonic-gate
9047c478bd9Sstevel@tonic-gate if (!AcpiUtValidInternalObject (Object))
9057c478bd9Sstevel@tonic-gate {
9067b1019a6SJerry Jelinek return;
9077c478bd9Sstevel@tonic-gate }
9087c478bd9Sstevel@tonic-gate
909*35786f68SRobert Mustacchi ACPI_DEBUG_PRINT_RAW ((ACPI_DB_ALLOCATIONS,
910*35786f68SRobert Mustacchi "%s: Obj %p Current Refs=%X [To Be Decremented]\n",
911*35786f68SRobert Mustacchi ACPI_GET_FUNCTION_NAME, Object, Object->Common.ReferenceCount));
9127c478bd9Sstevel@tonic-gate
9137c478bd9Sstevel@tonic-gate /*
9147c478bd9Sstevel@tonic-gate * Decrement the reference count, and only actually delete the object
91527f7c583Smyers * if the reference count becomes 0. (Must also decrement the ref count
9167c478bd9Sstevel@tonic-gate * of all subobjects!)
9177c478bd9Sstevel@tonic-gate */
91827f7c583Smyers (void) AcpiUtUpdateObjectReference (Object, REF_DECREMENT);
9197b1019a6SJerry Jelinek return;
9207c478bd9Sstevel@tonic-gate }
921