17c478bd9Sstevel@tonic-gate /******************************************************************************
27c478bd9Sstevel@tonic-gate *
37c478bd9Sstevel@tonic-gate * Module Name: evrgnini- ACPI AddressSpace (OpRegion) init
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 "acevents.h"
1557c478bd9Sstevel@tonic-gate #include "acnamesp.h"
156*35786f68SRobert Mustacchi #include "acinterp.h"
1577c478bd9Sstevel@tonic-gate
1587c478bd9Sstevel@tonic-gate #define _COMPONENT ACPI_EVENTS
1597c478bd9Sstevel@tonic-gate ACPI_MODULE_NAME ("evrgnini")
1607c478bd9Sstevel@tonic-gate
161db2bae30SDana Myers /* Local prototypes */
162db2bae30SDana Myers
163db2bae30SDana Myers static BOOLEAN
164db2bae30SDana Myers AcpiEvIsPciRootBridge (
165db2bae30SDana Myers ACPI_NAMESPACE_NODE *Node);
166db2bae30SDana Myers
1677c478bd9Sstevel@tonic-gate
1687c478bd9Sstevel@tonic-gate /*******************************************************************************
1697c478bd9Sstevel@tonic-gate *
1707c478bd9Sstevel@tonic-gate * FUNCTION: AcpiEvSystemMemoryRegionSetup
1717c478bd9Sstevel@tonic-gate *
1727c478bd9Sstevel@tonic-gate * PARAMETERS: Handle - Region we are interested in
1737c478bd9Sstevel@tonic-gate * Function - Start or stop
1747c478bd9Sstevel@tonic-gate * HandlerContext - Address space handler context
1757c478bd9Sstevel@tonic-gate * RegionContext - Region specific context
1767c478bd9Sstevel@tonic-gate *
1777c478bd9Sstevel@tonic-gate * RETURN: Status
1787c478bd9Sstevel@tonic-gate *
1797c478bd9Sstevel@tonic-gate * DESCRIPTION: Setup a SystemMemory operation region
1807c478bd9Sstevel@tonic-gate *
1817c478bd9Sstevel@tonic-gate ******************************************************************************/
1827c478bd9Sstevel@tonic-gate
1837c478bd9Sstevel@tonic-gate ACPI_STATUS
AcpiEvSystemMemoryRegionSetup(ACPI_HANDLE Handle,UINT32 Function,void * HandlerContext,void ** RegionContext)1847c478bd9Sstevel@tonic-gate AcpiEvSystemMemoryRegionSetup (
1857c478bd9Sstevel@tonic-gate ACPI_HANDLE Handle,
1867c478bd9Sstevel@tonic-gate UINT32 Function,
1877c478bd9Sstevel@tonic-gate void *HandlerContext,
1887c478bd9Sstevel@tonic-gate void **RegionContext)
1897c478bd9Sstevel@tonic-gate {
1907c478bd9Sstevel@tonic-gate ACPI_OPERAND_OBJECT *RegionDesc = (ACPI_OPERAND_OBJECT *) Handle;
1917c478bd9Sstevel@tonic-gate ACPI_MEM_SPACE_CONTEXT *LocalRegionContext;
1927c478bd9Sstevel@tonic-gate
1937c478bd9Sstevel@tonic-gate
19427f7c583Smyers ACPI_FUNCTION_TRACE (EvSystemMemoryRegionSetup);
1957c478bd9Sstevel@tonic-gate
1967c478bd9Sstevel@tonic-gate
1977c478bd9Sstevel@tonic-gate if (Function == ACPI_REGION_DEACTIVATE)
1987c478bd9Sstevel@tonic-gate {
1997c478bd9Sstevel@tonic-gate if (*RegionContext)
2007c478bd9Sstevel@tonic-gate {
20103335b7aSmyers LocalRegionContext = (ACPI_MEM_SPACE_CONTEXT *) *RegionContext;
20203335b7aSmyers
20303335b7aSmyers /* Delete a cached mapping if present */
20403335b7aSmyers
20503335b7aSmyers if (LocalRegionContext->MappedLength)
20603335b7aSmyers {
20703335b7aSmyers AcpiOsUnmapMemory (LocalRegionContext->MappedLogicalAddress,
20803335b7aSmyers LocalRegionContext->MappedLength);
20903335b7aSmyers }
21027f7c583Smyers ACPI_FREE (LocalRegionContext);
2117c478bd9Sstevel@tonic-gate *RegionContext = NULL;
2127c478bd9Sstevel@tonic-gate }
2137c478bd9Sstevel@tonic-gate return_ACPI_STATUS (AE_OK);
2147c478bd9Sstevel@tonic-gate }
2157c478bd9Sstevel@tonic-gate
2167c478bd9Sstevel@tonic-gate /* Create a new context */
2177c478bd9Sstevel@tonic-gate
21827f7c583Smyers LocalRegionContext = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_MEM_SPACE_CONTEXT));
2197c478bd9Sstevel@tonic-gate if (!(LocalRegionContext))
2207c478bd9Sstevel@tonic-gate {
2217c478bd9Sstevel@tonic-gate return_ACPI_STATUS (AE_NO_MEMORY);
2227c478bd9Sstevel@tonic-gate }
2237c478bd9Sstevel@tonic-gate
2247c478bd9Sstevel@tonic-gate /* Save the region length and address for use in the handler */
2257c478bd9Sstevel@tonic-gate
2267c478bd9Sstevel@tonic-gate LocalRegionContext->Length = RegionDesc->Region.Length;
2277c478bd9Sstevel@tonic-gate LocalRegionContext->Address = RegionDesc->Region.Address;
2287c478bd9Sstevel@tonic-gate
2297c478bd9Sstevel@tonic-gate *RegionContext = LocalRegionContext;
2307c478bd9Sstevel@tonic-gate return_ACPI_STATUS (AE_OK);
2317c478bd9Sstevel@tonic-gate }
2327c478bd9Sstevel@tonic-gate
2337c478bd9Sstevel@tonic-gate
2347c478bd9Sstevel@tonic-gate /*******************************************************************************
2357c478bd9Sstevel@tonic-gate *
2367c478bd9Sstevel@tonic-gate * FUNCTION: AcpiEvIoSpaceRegionSetup
2377c478bd9Sstevel@tonic-gate *
2387c478bd9Sstevel@tonic-gate * PARAMETERS: Handle - Region we are interested in
2397c478bd9Sstevel@tonic-gate * Function - Start or stop
2407c478bd9Sstevel@tonic-gate * HandlerContext - Address space handler context
2417c478bd9Sstevel@tonic-gate * RegionContext - Region specific context
2427c478bd9Sstevel@tonic-gate *
2437c478bd9Sstevel@tonic-gate * RETURN: Status
2447c478bd9Sstevel@tonic-gate *
2457c478bd9Sstevel@tonic-gate * DESCRIPTION: Setup a IO operation region
2467c478bd9Sstevel@tonic-gate *
2477c478bd9Sstevel@tonic-gate ******************************************************************************/
2487c478bd9Sstevel@tonic-gate
2497c478bd9Sstevel@tonic-gate ACPI_STATUS
AcpiEvIoSpaceRegionSetup(ACPI_HANDLE Handle,UINT32 Function,void * HandlerContext,void ** RegionContext)2507c478bd9Sstevel@tonic-gate AcpiEvIoSpaceRegionSetup (
2517c478bd9Sstevel@tonic-gate ACPI_HANDLE Handle,
2527c478bd9Sstevel@tonic-gate UINT32 Function,
2537c478bd9Sstevel@tonic-gate void *HandlerContext,
2547c478bd9Sstevel@tonic-gate void **RegionContext)
2557c478bd9Sstevel@tonic-gate {
25627f7c583Smyers ACPI_FUNCTION_TRACE (EvIoSpaceRegionSetup);
2577c478bd9Sstevel@tonic-gate
2587c478bd9Sstevel@tonic-gate
2597c478bd9Sstevel@tonic-gate if (Function == ACPI_REGION_DEACTIVATE)
2607c478bd9Sstevel@tonic-gate {
2617c478bd9Sstevel@tonic-gate *RegionContext = NULL;
2627c478bd9Sstevel@tonic-gate }
2637c478bd9Sstevel@tonic-gate else
2647c478bd9Sstevel@tonic-gate {
2657c478bd9Sstevel@tonic-gate *RegionContext = HandlerContext;
2667c478bd9Sstevel@tonic-gate }
2677c478bd9Sstevel@tonic-gate
2687c478bd9Sstevel@tonic-gate return_ACPI_STATUS (AE_OK);
2697c478bd9Sstevel@tonic-gate }
2707c478bd9Sstevel@tonic-gate
2717c478bd9Sstevel@tonic-gate
2727c478bd9Sstevel@tonic-gate /*******************************************************************************
2737c478bd9Sstevel@tonic-gate *
2747c478bd9Sstevel@tonic-gate * FUNCTION: AcpiEvPciConfigRegionSetup
2757c478bd9Sstevel@tonic-gate *
2767c478bd9Sstevel@tonic-gate * PARAMETERS: Handle - Region we are interested in
2777c478bd9Sstevel@tonic-gate * Function - Start or stop
2787c478bd9Sstevel@tonic-gate * HandlerContext - Address space handler context
2797c478bd9Sstevel@tonic-gate * RegionContext - Region specific context
2807c478bd9Sstevel@tonic-gate *
2817c478bd9Sstevel@tonic-gate * RETURN: Status
2827c478bd9Sstevel@tonic-gate *
2837c478bd9Sstevel@tonic-gate * DESCRIPTION: Setup a PCI_Config operation region
2847c478bd9Sstevel@tonic-gate *
2857c478bd9Sstevel@tonic-gate * MUTEX: Assumes namespace is not locked
2867c478bd9Sstevel@tonic-gate *
2877c478bd9Sstevel@tonic-gate ******************************************************************************/
2887c478bd9Sstevel@tonic-gate
2897c478bd9Sstevel@tonic-gate ACPI_STATUS
AcpiEvPciConfigRegionSetup(ACPI_HANDLE Handle,UINT32 Function,void * HandlerContext,void ** RegionContext)2907c478bd9Sstevel@tonic-gate AcpiEvPciConfigRegionSetup (
2917c478bd9Sstevel@tonic-gate ACPI_HANDLE Handle,
2927c478bd9Sstevel@tonic-gate UINT32 Function,
2937c478bd9Sstevel@tonic-gate void *HandlerContext,
2947c478bd9Sstevel@tonic-gate void **RegionContext)
2957c478bd9Sstevel@tonic-gate {
2967c478bd9Sstevel@tonic-gate ACPI_STATUS Status = AE_OK;
29726f3cdf0SGordon Ross UINT64 PciValue;
2987c478bd9Sstevel@tonic-gate ACPI_PCI_ID *PciId = *RegionContext;
2997c478bd9Sstevel@tonic-gate ACPI_OPERAND_OBJECT *HandlerObj;
3007c478bd9Sstevel@tonic-gate ACPI_NAMESPACE_NODE *ParentNode;
3017c478bd9Sstevel@tonic-gate ACPI_NAMESPACE_NODE *PciRootNode;
302db2bae30SDana Myers ACPI_NAMESPACE_NODE *PciDeviceNode;
3037c478bd9Sstevel@tonic-gate ACPI_OPERAND_OBJECT *RegionObj = (ACPI_OPERAND_OBJECT *) Handle;
3047c478bd9Sstevel@tonic-gate
3057c478bd9Sstevel@tonic-gate
30627f7c583Smyers ACPI_FUNCTION_TRACE (EvPciConfigRegionSetup);
3077c478bd9Sstevel@tonic-gate
3087c478bd9Sstevel@tonic-gate
3097c478bd9Sstevel@tonic-gate HandlerObj = RegionObj->Region.Handler;
3107c478bd9Sstevel@tonic-gate if (!HandlerObj)
3117c478bd9Sstevel@tonic-gate {
3127c478bd9Sstevel@tonic-gate /*
3137c478bd9Sstevel@tonic-gate * No installed handler. This shouldn't happen because the dispatch
3147c478bd9Sstevel@tonic-gate * routine checks before we get here, but we check again just in case.
3157c478bd9Sstevel@tonic-gate */
3167c478bd9Sstevel@tonic-gate ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION,
3177c478bd9Sstevel@tonic-gate "Attempting to init a region %p, with no handler\n", RegionObj));
3187c478bd9Sstevel@tonic-gate return_ACPI_STATUS (AE_NOT_EXIST);
3197c478bd9Sstevel@tonic-gate }
3207c478bd9Sstevel@tonic-gate
3217c478bd9Sstevel@tonic-gate *RegionContext = NULL;
3227c478bd9Sstevel@tonic-gate if (Function == ACPI_REGION_DEACTIVATE)
3237c478bd9Sstevel@tonic-gate {
3247c478bd9Sstevel@tonic-gate if (PciId)
3257c478bd9Sstevel@tonic-gate {
32627f7c583Smyers ACPI_FREE (PciId);
3277c478bd9Sstevel@tonic-gate }
3287c478bd9Sstevel@tonic-gate return_ACPI_STATUS (Status);
3297c478bd9Sstevel@tonic-gate }
3307c478bd9Sstevel@tonic-gate
33126f3cdf0SGordon Ross ParentNode = RegionObj->Region.Node->Parent;
3327c478bd9Sstevel@tonic-gate
3337c478bd9Sstevel@tonic-gate /*
3347c478bd9Sstevel@tonic-gate * Get the _SEG and _BBN values from the device upon which the handler
3357c478bd9Sstevel@tonic-gate * is installed.
3367c478bd9Sstevel@tonic-gate *
3377c478bd9Sstevel@tonic-gate * We need to get the _SEG and _BBN objects relative to the PCI BUS device.
3387c478bd9Sstevel@tonic-gate * This is the device the handler has been registered to handle.
3397c478bd9Sstevel@tonic-gate */
3407c478bd9Sstevel@tonic-gate
3417c478bd9Sstevel@tonic-gate /*
3427c478bd9Sstevel@tonic-gate * If the AddressSpace.Node is still pointing to the root, we need
3437c478bd9Sstevel@tonic-gate * to scan upward for a PCI Root bridge and re-associate the OpRegion
3447c478bd9Sstevel@tonic-gate * handlers with that device.
3457c478bd9Sstevel@tonic-gate */
3467c478bd9Sstevel@tonic-gate if (HandlerObj->AddressSpace.Node == AcpiGbl_RootNode)
3477c478bd9Sstevel@tonic-gate {
3487c478bd9Sstevel@tonic-gate /* Start search from the parent object */
3497c478bd9Sstevel@tonic-gate
3507c478bd9Sstevel@tonic-gate PciRootNode = ParentNode;
3517c478bd9Sstevel@tonic-gate while (PciRootNode != AcpiGbl_RootNode)
3527c478bd9Sstevel@tonic-gate {
353db2bae30SDana Myers /* Get the _HID/_CID in order to detect a RootBridge */
354db2bae30SDana Myers
355db2bae30SDana Myers if (AcpiEvIsPciRootBridge (PciRootNode))
3567c478bd9Sstevel@tonic-gate {
357db2bae30SDana Myers /* Install a handler for this PCI root bridge */
3587c478bd9Sstevel@tonic-gate
359db2bae30SDana Myers Status = AcpiInstallAddressSpaceHandler (
3607b1019a6SJerry Jelinek (ACPI_HANDLE) PciRootNode,
3617b1019a6SJerry Jelinek ACPI_ADR_SPACE_PCI_CONFIG,
3627b1019a6SJerry Jelinek ACPI_DEFAULT_HANDLER, NULL, NULL);
363db2bae30SDana Myers if (ACPI_FAILURE (Status))
364db2bae30SDana Myers {
365db2bae30SDana Myers if (Status == AE_SAME_HANDLER)
366db2bae30SDana Myers {
367db2bae30SDana Myers /*
368aa2aa9a6SDana Myers * It is OK if the handler is already installed on the
369aa2aa9a6SDana Myers * root bridge. Still need to return a context object
370aa2aa9a6SDana Myers * for the new PCI_Config operation region, however.
371db2bae30SDana Myers */
372db2bae30SDana Myers Status = AE_OK;
373db2bae30SDana Myers }
374db2bae30SDana Myers else
3757c478bd9Sstevel@tonic-gate {
376db2bae30SDana Myers ACPI_EXCEPTION ((AE_INFO, Status,
377aa2aa9a6SDana Myers "Could not install PciConfig handler "
378aa2aa9a6SDana Myers "for Root Bridge %4.4s",
379db2bae30SDana Myers AcpiUtGetNodeName (PciRootNode)));
3807c478bd9Sstevel@tonic-gate }
3817c478bd9Sstevel@tonic-gate }
382db2bae30SDana Myers break;
3837c478bd9Sstevel@tonic-gate }
3847c478bd9Sstevel@tonic-gate
38526f3cdf0SGordon Ross PciRootNode = PciRootNode->Parent;
3867c478bd9Sstevel@tonic-gate }
3877c478bd9Sstevel@tonic-gate
3887c478bd9Sstevel@tonic-gate /* PCI root bridge not found, use namespace root node */
3897c478bd9Sstevel@tonic-gate }
3907c478bd9Sstevel@tonic-gate else
3917c478bd9Sstevel@tonic-gate {
3927c478bd9Sstevel@tonic-gate PciRootNode = HandlerObj->AddressSpace.Node;
3937c478bd9Sstevel@tonic-gate }
3947c478bd9Sstevel@tonic-gate
3957c478bd9Sstevel@tonic-gate /*
3967c478bd9Sstevel@tonic-gate * If this region is now initialized, we are done.
3977c478bd9Sstevel@tonic-gate * (InstallAddressSpaceHandler could have initialized it)
3987c478bd9Sstevel@tonic-gate */
3997c478bd9Sstevel@tonic-gate if (RegionObj->Region.Flags & AOPOBJ_SETUP_COMPLETE)
4007c478bd9Sstevel@tonic-gate {
4017c478bd9Sstevel@tonic-gate return_ACPI_STATUS (AE_OK);
4027c478bd9Sstevel@tonic-gate }
4037c478bd9Sstevel@tonic-gate
4047c478bd9Sstevel@tonic-gate /* Region is still not initialized. Create a new context */
4057c478bd9Sstevel@tonic-gate
40627f7c583Smyers PciId = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_PCI_ID));
4077c478bd9Sstevel@tonic-gate if (!PciId)
4087c478bd9Sstevel@tonic-gate {
4097c478bd9Sstevel@tonic-gate return_ACPI_STATUS (AE_NO_MEMORY);
4107c478bd9Sstevel@tonic-gate }
4117c478bd9Sstevel@tonic-gate
4127c478bd9Sstevel@tonic-gate /*
413aa2aa9a6SDana Myers * For PCI_Config space access, we need the segment, bus, device and
414aa2aa9a6SDana Myers * function numbers. Acquire them here.
415db2bae30SDana Myers *
416db2bae30SDana Myers * Find the parent device object. (This allows the operation region to be
417db2bae30SDana Myers * within a subscope under the device, such as a control method.)
4187c478bd9Sstevel@tonic-gate */
419db2bae30SDana Myers PciDeviceNode = RegionObj->Region.Node;
420db2bae30SDana Myers while (PciDeviceNode && (PciDeviceNode->Type != ACPI_TYPE_DEVICE))
421db2bae30SDana Myers {
42226f3cdf0SGordon Ross PciDeviceNode = PciDeviceNode->Parent;
423db2bae30SDana Myers }
424db2bae30SDana Myers
425db2bae30SDana Myers if (!PciDeviceNode)
426db2bae30SDana Myers {
427db2bae30SDana Myers ACPI_FREE (PciId);
428db2bae30SDana Myers return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
429db2bae30SDana Myers }
4307c478bd9Sstevel@tonic-gate
4317c478bd9Sstevel@tonic-gate /*
43226f3cdf0SGordon Ross * Get the PCI device and function numbers from the _ADR object
43326f3cdf0SGordon Ross * contained in the parent's scope.
4347c478bd9Sstevel@tonic-gate */
435aa2aa9a6SDana Myers Status = AcpiUtEvaluateNumericObject (METHOD_NAME__ADR,
4367b1019a6SJerry Jelinek PciDeviceNode, &PciValue);
4377c478bd9Sstevel@tonic-gate
4387c478bd9Sstevel@tonic-gate /*
439aa2aa9a6SDana Myers * The default is zero, and since the allocation above zeroed the data,
440aa2aa9a6SDana Myers * just do nothing on failure.
4417c478bd9Sstevel@tonic-gate */
4427c478bd9Sstevel@tonic-gate if (ACPI_SUCCESS (Status))
4437c478bd9Sstevel@tonic-gate {
4447c478bd9Sstevel@tonic-gate PciId->Device = ACPI_HIWORD (ACPI_LODWORD (PciValue));
4457c478bd9Sstevel@tonic-gate PciId->Function = ACPI_LOWORD (ACPI_LODWORD (PciValue));
4467c478bd9Sstevel@tonic-gate }
4477c478bd9Sstevel@tonic-gate
4487c478bd9Sstevel@tonic-gate /* The PCI segment number comes from the _SEG method */
4497c478bd9Sstevel@tonic-gate
450aa2aa9a6SDana Myers Status = AcpiUtEvaluateNumericObject (METHOD_NAME__SEG,
4517b1019a6SJerry Jelinek PciRootNode, &PciValue);
4527c478bd9Sstevel@tonic-gate if (ACPI_SUCCESS (Status))
4537c478bd9Sstevel@tonic-gate {
4547c478bd9Sstevel@tonic-gate PciId->Segment = ACPI_LOWORD (PciValue);
4557c478bd9Sstevel@tonic-gate }
4567c478bd9Sstevel@tonic-gate
4577c478bd9Sstevel@tonic-gate /* The PCI bus number comes from the _BBN method */
4587c478bd9Sstevel@tonic-gate
459aa2aa9a6SDana Myers Status = AcpiUtEvaluateNumericObject (METHOD_NAME__BBN,
4607b1019a6SJerry Jelinek PciRootNode, &PciValue);
4617c478bd9Sstevel@tonic-gate if (ACPI_SUCCESS (Status))
4627c478bd9Sstevel@tonic-gate {
4637c478bd9Sstevel@tonic-gate PciId->Bus = ACPI_LOWORD (PciValue);
4647c478bd9Sstevel@tonic-gate }
4657c478bd9Sstevel@tonic-gate
46626f3cdf0SGordon Ross /* Complete/update the PCI ID for this device */
4677c478bd9Sstevel@tonic-gate
46826f3cdf0SGordon Ross Status = AcpiHwDerivePciId (PciId, PciRootNode, RegionObj->Region.Node);
46926f3cdf0SGordon Ross if (ACPI_FAILURE (Status))
47026f3cdf0SGordon Ross {
47126f3cdf0SGordon Ross ACPI_FREE (PciId);
47226f3cdf0SGordon Ross return_ACPI_STATUS (Status);
47326f3cdf0SGordon Ross }
4747c478bd9Sstevel@tonic-gate
4757c478bd9Sstevel@tonic-gate *RegionContext = PciId;
4767c478bd9Sstevel@tonic-gate return_ACPI_STATUS (AE_OK);
4777c478bd9Sstevel@tonic-gate }
4787c478bd9Sstevel@tonic-gate
4797c478bd9Sstevel@tonic-gate
480db2bae30SDana Myers /*******************************************************************************
481db2bae30SDana Myers *
482db2bae30SDana Myers * FUNCTION: AcpiEvIsPciRootBridge
483db2bae30SDana Myers *
484db2bae30SDana Myers * PARAMETERS: Node - Device node being examined
485db2bae30SDana Myers *
486db2bae30SDana Myers * RETURN: TRUE if device is a PCI/PCI-Express Root Bridge
487db2bae30SDana Myers *
488db2bae30SDana Myers * DESCRIPTION: Determine if the input device represents a PCI Root Bridge by
489db2bae30SDana Myers * examining the _HID and _CID for the device.
490db2bae30SDana Myers *
491db2bae30SDana Myers ******************************************************************************/
492db2bae30SDana Myers
493db2bae30SDana Myers static BOOLEAN
AcpiEvIsPciRootBridge(ACPI_NAMESPACE_NODE * Node)494db2bae30SDana Myers AcpiEvIsPciRootBridge (
495db2bae30SDana Myers ACPI_NAMESPACE_NODE *Node)
496db2bae30SDana Myers {
497db2bae30SDana Myers ACPI_STATUS Status;
4987b1019a6SJerry Jelinek ACPI_PNP_DEVICE_ID *Hid;
4997b1019a6SJerry Jelinek ACPI_PNP_DEVICE_ID_LIST *Cid;
500db2bae30SDana Myers UINT32 i;
50157190917SDana Myers BOOLEAN Match;
502db2bae30SDana Myers
503db2bae30SDana Myers
504aa2aa9a6SDana Myers /* Get the _HID and check for a PCI Root Bridge */
505aa2aa9a6SDana Myers
506db2bae30SDana Myers Status = AcpiUtExecute_HID (Node, &Hid);
507db2bae30SDana Myers if (ACPI_FAILURE (Status))
508db2bae30SDana Myers {
509db2bae30SDana Myers return (FALSE);
510db2bae30SDana Myers }
511db2bae30SDana Myers
51257190917SDana Myers Match = AcpiUtIsPciRootBridge (Hid->String);
51357190917SDana Myers ACPI_FREE (Hid);
51457190917SDana Myers
51557190917SDana Myers if (Match)
516db2bae30SDana Myers {
517db2bae30SDana Myers return (TRUE);
518db2bae30SDana Myers }
519db2bae30SDana Myers
520aa2aa9a6SDana Myers /* The _HID did not match. Get the _CID and check for a PCI Root Bridge */
521aa2aa9a6SDana Myers
522db2bae30SDana Myers Status = AcpiUtExecute_CID (Node, &Cid);
523db2bae30SDana Myers if (ACPI_FAILURE (Status))
524db2bae30SDana Myers {
525db2bae30SDana Myers return (FALSE);
526db2bae30SDana Myers }
527db2bae30SDana Myers
528db2bae30SDana Myers /* Check all _CIDs in the returned list */
529db2bae30SDana Myers
530db2bae30SDana Myers for (i = 0; i < Cid->Count; i++)
531db2bae30SDana Myers {
53257190917SDana Myers if (AcpiUtIsPciRootBridge (Cid->Ids[i].String))
533db2bae30SDana Myers {
534db2bae30SDana Myers ACPI_FREE (Cid);
535db2bae30SDana Myers return (TRUE);
536db2bae30SDana Myers }
537db2bae30SDana Myers }
538db2bae30SDana Myers
539db2bae30SDana Myers ACPI_FREE (Cid);
540db2bae30SDana Myers return (FALSE);
541db2bae30SDana Myers }
542db2bae30SDana Myers
543db2bae30SDana Myers
5447c478bd9Sstevel@tonic-gate /*******************************************************************************
5457c478bd9Sstevel@tonic-gate *
5467c478bd9Sstevel@tonic-gate * FUNCTION: AcpiEvPciBarRegionSetup
5477c478bd9Sstevel@tonic-gate *
5487c478bd9Sstevel@tonic-gate * PARAMETERS: Handle - Region we are interested in
5497c478bd9Sstevel@tonic-gate * Function - Start or stop
5507c478bd9Sstevel@tonic-gate * HandlerContext - Address space handler context
5517c478bd9Sstevel@tonic-gate * RegionContext - Region specific context
5527c478bd9Sstevel@tonic-gate *
5537c478bd9Sstevel@tonic-gate * RETURN: Status
5547c478bd9Sstevel@tonic-gate *
5557c478bd9Sstevel@tonic-gate * DESCRIPTION: Setup a PciBAR operation region
5567c478bd9Sstevel@tonic-gate *
5577c478bd9Sstevel@tonic-gate * MUTEX: Assumes namespace is not locked
5587c478bd9Sstevel@tonic-gate *
5597c478bd9Sstevel@tonic-gate ******************************************************************************/
5607c478bd9Sstevel@tonic-gate
5617c478bd9Sstevel@tonic-gate ACPI_STATUS
AcpiEvPciBarRegionSetup(ACPI_HANDLE Handle,UINT32 Function,void * HandlerContext,void ** RegionContext)5627c478bd9Sstevel@tonic-gate AcpiEvPciBarRegionSetup (
5637c478bd9Sstevel@tonic-gate ACPI_HANDLE Handle,
5647c478bd9Sstevel@tonic-gate UINT32 Function,
5657c478bd9Sstevel@tonic-gate void *HandlerContext,
5667c478bd9Sstevel@tonic-gate void **RegionContext)
5677c478bd9Sstevel@tonic-gate {
56827f7c583Smyers ACPI_FUNCTION_TRACE (EvPciBarRegionSetup);
5697c478bd9Sstevel@tonic-gate
5707c478bd9Sstevel@tonic-gate
5717c478bd9Sstevel@tonic-gate return_ACPI_STATUS (AE_OK);
5727c478bd9Sstevel@tonic-gate }
5737c478bd9Sstevel@tonic-gate
5747c478bd9Sstevel@tonic-gate
5757c478bd9Sstevel@tonic-gate /*******************************************************************************
5767c478bd9Sstevel@tonic-gate *
5777c478bd9Sstevel@tonic-gate * FUNCTION: AcpiEvCmosRegionSetup
5787c478bd9Sstevel@tonic-gate *
5797c478bd9Sstevel@tonic-gate * PARAMETERS: Handle - Region we are interested in
5807c478bd9Sstevel@tonic-gate * Function - Start or stop
5817c478bd9Sstevel@tonic-gate * HandlerContext - Address space handler context
5827c478bd9Sstevel@tonic-gate * RegionContext - Region specific context
5837c478bd9Sstevel@tonic-gate *
5847c478bd9Sstevel@tonic-gate * RETURN: Status
5857c478bd9Sstevel@tonic-gate *
5867c478bd9Sstevel@tonic-gate * DESCRIPTION: Setup a CMOS operation region
5877c478bd9Sstevel@tonic-gate *
5887c478bd9Sstevel@tonic-gate * MUTEX: Assumes namespace is not locked
5897c478bd9Sstevel@tonic-gate *
5907c478bd9Sstevel@tonic-gate ******************************************************************************/
5917c478bd9Sstevel@tonic-gate
5927c478bd9Sstevel@tonic-gate ACPI_STATUS
AcpiEvCmosRegionSetup(ACPI_HANDLE Handle,UINT32 Function,void * HandlerContext,void ** RegionContext)5937c478bd9Sstevel@tonic-gate AcpiEvCmosRegionSetup (
5947c478bd9Sstevel@tonic-gate ACPI_HANDLE Handle,
5957c478bd9Sstevel@tonic-gate UINT32 Function,
5967c478bd9Sstevel@tonic-gate void *HandlerContext,
5977c478bd9Sstevel@tonic-gate void **RegionContext)
5987c478bd9Sstevel@tonic-gate {
59927f7c583Smyers ACPI_FUNCTION_TRACE (EvCmosRegionSetup);
6007c478bd9Sstevel@tonic-gate
6017c478bd9Sstevel@tonic-gate
6027c478bd9Sstevel@tonic-gate return_ACPI_STATUS (AE_OK);
6037c478bd9Sstevel@tonic-gate }
6047c478bd9Sstevel@tonic-gate
6057c478bd9Sstevel@tonic-gate
6067c478bd9Sstevel@tonic-gate /*******************************************************************************
6077c478bd9Sstevel@tonic-gate *
6087c478bd9Sstevel@tonic-gate * FUNCTION: AcpiEvDefaultRegionSetup
6097c478bd9Sstevel@tonic-gate *
6107c478bd9Sstevel@tonic-gate * PARAMETERS: Handle - Region we are interested in
6117c478bd9Sstevel@tonic-gate * Function - Start or stop
6127c478bd9Sstevel@tonic-gate * HandlerContext - Address space handler context
6137c478bd9Sstevel@tonic-gate * RegionContext - Region specific context
6147c478bd9Sstevel@tonic-gate *
6157c478bd9Sstevel@tonic-gate * RETURN: Status
6167c478bd9Sstevel@tonic-gate *
6177c478bd9Sstevel@tonic-gate * DESCRIPTION: Default region initialization
6187c478bd9Sstevel@tonic-gate *
6197c478bd9Sstevel@tonic-gate ******************************************************************************/
6207c478bd9Sstevel@tonic-gate
6217c478bd9Sstevel@tonic-gate ACPI_STATUS
AcpiEvDefaultRegionSetup(ACPI_HANDLE Handle,UINT32 Function,void * HandlerContext,void ** RegionContext)6227c478bd9Sstevel@tonic-gate AcpiEvDefaultRegionSetup (
6237c478bd9Sstevel@tonic-gate ACPI_HANDLE Handle,
6247c478bd9Sstevel@tonic-gate UINT32 Function,
6257c478bd9Sstevel@tonic-gate void *HandlerContext,
6267c478bd9Sstevel@tonic-gate void **RegionContext)
6277c478bd9Sstevel@tonic-gate {
62827f7c583Smyers ACPI_FUNCTION_TRACE (EvDefaultRegionSetup);
6297c478bd9Sstevel@tonic-gate
6307c478bd9Sstevel@tonic-gate
6317c478bd9Sstevel@tonic-gate if (Function == ACPI_REGION_DEACTIVATE)
6327c478bd9Sstevel@tonic-gate {
6337c478bd9Sstevel@tonic-gate *RegionContext = NULL;
6347c478bd9Sstevel@tonic-gate }
6357c478bd9Sstevel@tonic-gate else
6367c478bd9Sstevel@tonic-gate {
6377c478bd9Sstevel@tonic-gate *RegionContext = HandlerContext;
6387c478bd9Sstevel@tonic-gate }
6397c478bd9Sstevel@tonic-gate
6407c478bd9Sstevel@tonic-gate return_ACPI_STATUS (AE_OK);
6417c478bd9Sstevel@tonic-gate }
6427c478bd9Sstevel@tonic-gate
6437c478bd9Sstevel@tonic-gate
6447c478bd9Sstevel@tonic-gate /*******************************************************************************
6457c478bd9Sstevel@tonic-gate *
6467c478bd9Sstevel@tonic-gate * FUNCTION: AcpiEvInitializeRegion
6477c478bd9Sstevel@tonic-gate *
6487c478bd9Sstevel@tonic-gate * PARAMETERS: RegionObj - Region we are initializing
6497c478bd9Sstevel@tonic-gate *
6507c478bd9Sstevel@tonic-gate * RETURN: Status
6517c478bd9Sstevel@tonic-gate *
6527c478bd9Sstevel@tonic-gate * DESCRIPTION: Initializes the region, finds any _REG methods and saves them
6537c478bd9Sstevel@tonic-gate * for execution at a later time
6547c478bd9Sstevel@tonic-gate *
6557c478bd9Sstevel@tonic-gate * Get the appropriate address space handler for a newly
6567c478bd9Sstevel@tonic-gate * created region.
6577c478bd9Sstevel@tonic-gate *
658aa2aa9a6SDana Myers * This also performs address space specific initialization. For
6597c478bd9Sstevel@tonic-gate * example, PCI regions must have an _ADR object that contains
660aa2aa9a6SDana Myers * a PCI address in the scope of the definition. This address is
6617c478bd9Sstevel@tonic-gate * required to perform an access to PCI config space.
6627c478bd9Sstevel@tonic-gate *
66327f7c583Smyers * MUTEX: Interpreter should be unlocked, because we may run the _REG
66427f7c583Smyers * method for this region.
66527f7c583Smyers *
666*35786f68SRobert Mustacchi * NOTE: Possible incompliance:
667*35786f68SRobert Mustacchi * There is a behavior conflict in automatic _REG execution:
668*35786f68SRobert Mustacchi * 1. When the interpreter is evaluating a method, we can only
669*35786f68SRobert Mustacchi * automatically run _REG for the following case:
670*35786f68SRobert Mustacchi * Method(_REG, 2) {}
671*35786f68SRobert Mustacchi * OperationRegion (OPR1, 0x80, 0x1000010, 0x4)
672*35786f68SRobert Mustacchi * 2. When the interpreter is loading a table, we can also
673*35786f68SRobert Mustacchi * automatically run _REG for the following case:
674*35786f68SRobert Mustacchi * OperationRegion (OPR1, 0x80, 0x1000010, 0x4)
675*35786f68SRobert Mustacchi * Method(_REG, 2) {}
676*35786f68SRobert Mustacchi * Though this may not be compliant to the de-facto standard, the
677*35786f68SRobert Mustacchi * logic is kept in order not to trigger regressions. And keeping
678*35786f68SRobert Mustacchi * this logic should be taken care by the caller of this function.
679*35786f68SRobert Mustacchi *
6807c478bd9Sstevel@tonic-gate ******************************************************************************/
6817c478bd9Sstevel@tonic-gate
6827c478bd9Sstevel@tonic-gate ACPI_STATUS
AcpiEvInitializeRegion(ACPI_OPERAND_OBJECT * RegionObj)6837c478bd9Sstevel@tonic-gate AcpiEvInitializeRegion (
684*35786f68SRobert Mustacchi ACPI_OPERAND_OBJECT *RegionObj)
6857c478bd9Sstevel@tonic-gate {
6867c478bd9Sstevel@tonic-gate ACPI_OPERAND_OBJECT *HandlerObj;
6877c478bd9Sstevel@tonic-gate ACPI_OPERAND_OBJECT *ObjDesc;
6887c478bd9Sstevel@tonic-gate ACPI_ADR_SPACE_TYPE SpaceId;
6897c478bd9Sstevel@tonic-gate ACPI_NAMESPACE_NODE *Node;
6907c478bd9Sstevel@tonic-gate
6917c478bd9Sstevel@tonic-gate
692*35786f68SRobert Mustacchi ACPI_FUNCTION_TRACE (EvInitializeRegion);
6937c478bd9Sstevel@tonic-gate
6947c478bd9Sstevel@tonic-gate
6957c478bd9Sstevel@tonic-gate if (!RegionObj)
6967c478bd9Sstevel@tonic-gate {
6977c478bd9Sstevel@tonic-gate return_ACPI_STATUS (AE_BAD_PARAMETER);
6987c478bd9Sstevel@tonic-gate }
6997c478bd9Sstevel@tonic-gate
7007c478bd9Sstevel@tonic-gate if (RegionObj->Common.Flags & AOPOBJ_OBJECT_INITIALIZED)
7017c478bd9Sstevel@tonic-gate {
7027c478bd9Sstevel@tonic-gate return_ACPI_STATUS (AE_OK);
7037c478bd9Sstevel@tonic-gate }
7047c478bd9Sstevel@tonic-gate
7057b1019a6SJerry Jelinek RegionObj->Common.Flags |= AOPOBJ_OBJECT_INITIALIZED;
7067c478bd9Sstevel@tonic-gate
70726f3cdf0SGordon Ross Node = RegionObj->Region.Node->Parent;
7087c478bd9Sstevel@tonic-gate SpaceId = RegionObj->Region.SpaceId;
7097c478bd9Sstevel@tonic-gate
7107c478bd9Sstevel@tonic-gate /*
7117c478bd9Sstevel@tonic-gate * The following loop depends upon the root Node having no parent
7127b1019a6SJerry Jelinek * ie: AcpiGbl_RootNode->Parent being set to NULL
7137c478bd9Sstevel@tonic-gate */
7147c478bd9Sstevel@tonic-gate while (Node)
7157c478bd9Sstevel@tonic-gate {
7167c478bd9Sstevel@tonic-gate /* Check to see if a handler exists */
7177c478bd9Sstevel@tonic-gate
7187c478bd9Sstevel@tonic-gate HandlerObj = NULL;
7197c478bd9Sstevel@tonic-gate ObjDesc = AcpiNsGetAttachedObject (Node);
7207c478bd9Sstevel@tonic-gate if (ObjDesc)
7217c478bd9Sstevel@tonic-gate {
7227c478bd9Sstevel@tonic-gate /* Can only be a handler if the object exists */
7237c478bd9Sstevel@tonic-gate
7247c478bd9Sstevel@tonic-gate switch (Node->Type)
7257c478bd9Sstevel@tonic-gate {
7267c478bd9Sstevel@tonic-gate case ACPI_TYPE_DEVICE:
7277c478bd9Sstevel@tonic-gate case ACPI_TYPE_PROCESSOR:
7287c478bd9Sstevel@tonic-gate case ACPI_TYPE_THERMAL:
7297c478bd9Sstevel@tonic-gate
7307b1019a6SJerry Jelinek HandlerObj = ObjDesc->CommonNotify.Handler;
7317c478bd9Sstevel@tonic-gate break;
7327c478bd9Sstevel@tonic-gate
73326f3cdf0SGordon Ross case ACPI_TYPE_METHOD:
73426f3cdf0SGordon Ross /*
73526f3cdf0SGordon Ross * If we are executing module level code, the original
73626f3cdf0SGordon Ross * Node's object was replaced by this Method object and we
73726f3cdf0SGordon Ross * saved the handler in the method object.
73826f3cdf0SGordon Ross *
739*35786f68SRobert Mustacchi * Note: Only used for the legacy MLC support. Will
740*35786f68SRobert Mustacchi * be removed in the future.
741*35786f68SRobert Mustacchi *
74226f3cdf0SGordon Ross * See AcpiNsExecModuleCode
74326f3cdf0SGordon Ross */
744*35786f68SRobert Mustacchi if (!AcpiGbl_ExecuteTablesAsMethods &&
745*35786f68SRobert Mustacchi ObjDesc->Method.InfoFlags & ACPI_METHOD_MODULE_LEVEL)
74626f3cdf0SGordon Ross {
74726f3cdf0SGordon Ross HandlerObj = ObjDesc->Method.Dispatch.Handler;
74826f3cdf0SGordon Ross }
74926f3cdf0SGordon Ross break;
75026f3cdf0SGordon Ross
7517c478bd9Sstevel@tonic-gate default:
7527b1019a6SJerry Jelinek
7537c478bd9Sstevel@tonic-gate /* Ignore other objects */
7547b1019a6SJerry Jelinek
7557c478bd9Sstevel@tonic-gate break;
7567c478bd9Sstevel@tonic-gate }
7577c478bd9Sstevel@tonic-gate
7587b1019a6SJerry Jelinek HandlerObj = AcpiEvFindRegionHandler (SpaceId, HandlerObj);
7597b1019a6SJerry Jelinek if (HandlerObj)
7607c478bd9Sstevel@tonic-gate {
7617b1019a6SJerry Jelinek /* Found correct handler */
7627c478bd9Sstevel@tonic-gate
7637b1019a6SJerry Jelinek ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION,
7647b1019a6SJerry Jelinek "Found handler %p for region %p in obj %p\n",
7657b1019a6SJerry Jelinek HandlerObj, RegionObj, ObjDesc));
7667c478bd9Sstevel@tonic-gate
767*35786f68SRobert Mustacchi (void) AcpiEvAttachRegion (HandlerObj, RegionObj, FALSE);
7687c478bd9Sstevel@tonic-gate
7697b1019a6SJerry Jelinek /*
7707b1019a6SJerry Jelinek * Tell all users that this region is usable by
7717b1019a6SJerry Jelinek * running the _REG method
7727b1019a6SJerry Jelinek */
773*35786f68SRobert Mustacchi AcpiExExitInterpreter ();
774*35786f68SRobert Mustacchi (void) AcpiEvExecuteRegMethod (RegionObj, ACPI_REG_CONNECT);
775*35786f68SRobert Mustacchi AcpiExEnterInterpreter ();
7767b1019a6SJerry Jelinek return_ACPI_STATUS (AE_OK);
7777c478bd9Sstevel@tonic-gate }
7787c478bd9Sstevel@tonic-gate }
7797c478bd9Sstevel@tonic-gate
780aa2aa9a6SDana Myers /* This node does not have the handler we need; Pop up one level */
781aa2aa9a6SDana Myers
78226f3cdf0SGordon Ross Node = Node->Parent;
7837c478bd9Sstevel@tonic-gate }
7847c478bd9Sstevel@tonic-gate
785*35786f68SRobert Mustacchi /*
786*35786f68SRobert Mustacchi * If we get here, there is no handler for this region. This is not
787*35786f68SRobert Mustacchi * fatal because many regions get created before a handler is installed
788*35786f68SRobert Mustacchi * for said region.
789*35786f68SRobert Mustacchi */
7907c478bd9Sstevel@tonic-gate ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION,
7917c478bd9Sstevel@tonic-gate "No handler for RegionType %s(%X) (RegionObj %p)\n",
7927c478bd9Sstevel@tonic-gate AcpiUtGetRegionName (SpaceId), SpaceId, RegionObj));
7937c478bd9Sstevel@tonic-gate
794*35786f68SRobert Mustacchi return_ACPI_STATUS (AE_OK);
7957c478bd9Sstevel@tonic-gate }
796