17b1019a6SJerry Jelinek /******************************************************************************
27b1019a6SJerry Jelinek *
37b1019a6SJerry Jelinek * Module Name: utaddress - OpRegion address range check
47b1019a6SJerry Jelinek *
57b1019a6SJerry Jelinek *****************************************************************************/
67b1019a6SJerry Jelinek
7*35786f68SRobert Mustacchi /******************************************************************************
8*35786f68SRobert Mustacchi *
9*35786f68SRobert Mustacchi * 1. Copyright Notice
10*35786f68SRobert Mustacchi *
11*35786f68SRobert Mustacchi * Some or all of this work - Copyright (c) 1999 - 2018, Intel Corp.
127b1019a6SJerry Jelinek * All rights reserved.
137b1019a6SJerry Jelinek *
14*35786f68SRobert Mustacchi * 2. License
15*35786f68SRobert Mustacchi *
16*35786f68SRobert Mustacchi * 2.1. This is your license from Intel Corp. under its intellectual property
17*35786f68SRobert Mustacchi * rights. You may have additional license terms from the party that provided
18*35786f68SRobert Mustacchi * you this software, covering your right to use that party's intellectual
19*35786f68SRobert Mustacchi * property rights.
20*35786f68SRobert Mustacchi *
21*35786f68SRobert Mustacchi * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22*35786f68SRobert Mustacchi * copy of the source code appearing in this file ("Covered Code") an
23*35786f68SRobert Mustacchi * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24*35786f68SRobert Mustacchi * base code distributed originally by Intel ("Original Intel Code") to copy,
25*35786f68SRobert Mustacchi * make derivatives, distribute, use and display any portion of the Covered
26*35786f68SRobert Mustacchi * Code in any form, with the right to sublicense such rights; and
27*35786f68SRobert Mustacchi *
28*35786f68SRobert Mustacchi * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29*35786f68SRobert Mustacchi * license (with the right to sublicense), under only those claims of Intel
30*35786f68SRobert Mustacchi * patents that are infringed by the Original Intel Code, to make, use, sell,
31*35786f68SRobert Mustacchi * offer to sell, and import the Covered Code and derivative works thereof
32*35786f68SRobert Mustacchi * solely to the minimum extent necessary to exercise the above copyright
33*35786f68SRobert Mustacchi * license, and in no event shall the patent license extend to any additions
34*35786f68SRobert Mustacchi * to or modifications of the Original Intel Code. No other license or right
35*35786f68SRobert Mustacchi * is granted directly or by implication, estoppel or otherwise;
36*35786f68SRobert Mustacchi *
37*35786f68SRobert Mustacchi * The above copyright and patent license is granted only if the following
38*35786f68SRobert Mustacchi * conditions are met:
39*35786f68SRobert Mustacchi *
40*35786f68SRobert Mustacchi * 3. Conditions
41*35786f68SRobert Mustacchi *
42*35786f68SRobert Mustacchi * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43*35786f68SRobert Mustacchi * Redistribution of source code of any substantial portion of the Covered
44*35786f68SRobert Mustacchi * Code or modification with rights to further distribute source must include
45*35786f68SRobert Mustacchi * the above Copyright Notice, the above License, this list of Conditions,
46*35786f68SRobert Mustacchi * and the following Disclaimer and Export Compliance provision. In addition,
47*35786f68SRobert Mustacchi * Licensee must cause all Covered Code to which Licensee contributes to
48*35786f68SRobert Mustacchi * contain a file documenting the changes Licensee made to create that Covered
49*35786f68SRobert Mustacchi * Code and the date of any change. Licensee must include in that file the
50*35786f68SRobert Mustacchi * documentation of any changes made by any predecessor Licensee. Licensee
51*35786f68SRobert Mustacchi * must include a prominent statement that the modification is derived,
52*35786f68SRobert Mustacchi * directly or indirectly, from Original Intel Code.
53*35786f68SRobert Mustacchi *
54*35786f68SRobert Mustacchi * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55*35786f68SRobert Mustacchi * Redistribution of source code of any substantial portion of the Covered
56*35786f68SRobert Mustacchi * Code or modification without rights to further distribute source must
57*35786f68SRobert Mustacchi * include the following Disclaimer and Export Compliance provision in the
58*35786f68SRobert Mustacchi * documentation and/or other materials provided with distribution. In
59*35786f68SRobert Mustacchi * addition, Licensee may not authorize further sublicense of source of any
60*35786f68SRobert Mustacchi * portion of the Covered Code, and must include terms to the effect that the
61*35786f68SRobert Mustacchi * license from Licensee to its licensee is limited to the intellectual
62*35786f68SRobert Mustacchi * property embodied in the software Licensee provides to its licensee, and
63*35786f68SRobert Mustacchi * not to intellectual property embodied in modifications its licensee may
64*35786f68SRobert Mustacchi * make.
65*35786f68SRobert Mustacchi *
66*35786f68SRobert Mustacchi * 3.3. Redistribution of Executable. Redistribution in executable form of any
67*35786f68SRobert Mustacchi * substantial portion of the Covered Code or modification must reproduce the
68*35786f68SRobert Mustacchi * above Copyright Notice, and the following Disclaimer and Export Compliance
69*35786f68SRobert Mustacchi * provision in the documentation and/or other materials provided with the
70*35786f68SRobert Mustacchi * distribution.
71*35786f68SRobert Mustacchi *
72*35786f68SRobert Mustacchi * 3.4. Intel retains all right, title, and interest in and to the Original
73*35786f68SRobert Mustacchi * Intel Code.
74*35786f68SRobert Mustacchi *
75*35786f68SRobert Mustacchi * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76*35786f68SRobert Mustacchi * Intel shall be used in advertising or otherwise to promote the sale, use or
77*35786f68SRobert Mustacchi * other dealings in products derived from or relating to the Covered Code
78*35786f68SRobert Mustacchi * without prior written authorization from Intel.
79*35786f68SRobert Mustacchi *
80*35786f68SRobert Mustacchi * 4. Disclaimer and Export Compliance
81*35786f68SRobert Mustacchi *
82*35786f68SRobert Mustacchi * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83*35786f68SRobert Mustacchi * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84*35786f68SRobert Mustacchi * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85*35786f68SRobert Mustacchi * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86*35786f68SRobert Mustacchi * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87*35786f68SRobert Mustacchi * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
88*35786f68SRobert Mustacchi * PARTICULAR PURPOSE.
89*35786f68SRobert Mustacchi *
90*35786f68SRobert Mustacchi * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91*35786f68SRobert Mustacchi * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92*35786f68SRobert Mustacchi * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93*35786f68SRobert Mustacchi * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94*35786f68SRobert Mustacchi * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95*35786f68SRobert Mustacchi * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96*35786f68SRobert Mustacchi * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
97*35786f68SRobert Mustacchi * LIMITED REMEDY.
98*35786f68SRobert Mustacchi *
99*35786f68SRobert Mustacchi * 4.3. Licensee shall not export, either directly or indirectly, any of this
100*35786f68SRobert Mustacchi * software or system incorporating such software without first obtaining any
101*35786f68SRobert Mustacchi * required license or other approval from the U. S. Department of Commerce or
102*35786f68SRobert Mustacchi * any other agency or department of the United States Government. In the
103*35786f68SRobert Mustacchi * event Licensee exports any such software from the United States or
104*35786f68SRobert Mustacchi * re-exports any such software from a foreign destination, Licensee shall
105*35786f68SRobert Mustacchi * ensure that the distribution and export/re-export of the software is in
106*35786f68SRobert Mustacchi * compliance with all laws, regulations, orders, or other restrictions of the
107*35786f68SRobert Mustacchi * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108*35786f68SRobert Mustacchi * any of its subsidiaries will export/re-export any technical data, process,
109*35786f68SRobert Mustacchi * software, or service, directly or indirectly, to any country for which the
110*35786f68SRobert Mustacchi * United States government or any agency thereof requires an export license,
111*35786f68SRobert Mustacchi * other governmental approval, or letter of assurance, without first obtaining
112*35786f68SRobert Mustacchi * such license, approval or letter.
113*35786f68SRobert Mustacchi *
114*35786f68SRobert Mustacchi *****************************************************************************
115*35786f68SRobert Mustacchi *
116*35786f68SRobert Mustacchi * Alternatively, you may choose to be licensed under the terms of the
117*35786f68SRobert Mustacchi * following license:
118*35786f68SRobert Mustacchi *
1197b1019a6SJerry Jelinek * Redistribution and use in source and binary forms, with or without
1207b1019a6SJerry Jelinek * modification, are permitted provided that the following conditions
1217b1019a6SJerry Jelinek * are met:
1227b1019a6SJerry Jelinek * 1. Redistributions of source code must retain the above copyright
1237b1019a6SJerry Jelinek * notice, this list of conditions, and the following disclaimer,
1247b1019a6SJerry Jelinek * without modification.
1257b1019a6SJerry Jelinek * 2. Redistributions in binary form must reproduce at minimum a disclaimer
1267b1019a6SJerry Jelinek * substantially similar to the "NO WARRANTY" disclaimer below
1277b1019a6SJerry Jelinek * ("Disclaimer") and any redistribution must be conditioned upon
1287b1019a6SJerry Jelinek * including a substantially similar Disclaimer requirement for further
1297b1019a6SJerry Jelinek * binary redistribution.
1307b1019a6SJerry Jelinek * 3. Neither the names of the above-listed copyright holders nor the names
1317b1019a6SJerry Jelinek * of any contributors may be used to endorse or promote products derived
1327b1019a6SJerry Jelinek * from this software without specific prior written permission.
1337b1019a6SJerry Jelinek *
1347b1019a6SJerry Jelinek * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1357b1019a6SJerry Jelinek * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136*35786f68SRobert Mustacchi * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
1377b1019a6SJerry Jelinek * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138*35786f68SRobert Mustacchi * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139*35786f68SRobert Mustacchi * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140*35786f68SRobert Mustacchi * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141*35786f68SRobert Mustacchi * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142*35786f68SRobert Mustacchi * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143*35786f68SRobert Mustacchi * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144*35786f68SRobert Mustacchi * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
145*35786f68SRobert Mustacchi *
146*35786f68SRobert Mustacchi * Alternatively, you may choose to be licensed under the terms of the
147*35786f68SRobert Mustacchi * GNU General Public License ("GPL") version 2 as published by the Free
148*35786f68SRobert Mustacchi * Software Foundation.
149*35786f68SRobert Mustacchi *
150*35786f68SRobert Mustacchi *****************************************************************************/
1517b1019a6SJerry Jelinek
1527b1019a6SJerry Jelinek #include "acpi.h"
1537b1019a6SJerry Jelinek #include "accommon.h"
1547b1019a6SJerry Jelinek #include "acnamesp.h"
1557b1019a6SJerry Jelinek
1567b1019a6SJerry Jelinek
1577b1019a6SJerry Jelinek #define _COMPONENT ACPI_UTILITIES
1587b1019a6SJerry Jelinek ACPI_MODULE_NAME ("utaddress")
1597b1019a6SJerry Jelinek
1607b1019a6SJerry Jelinek
1617b1019a6SJerry Jelinek /*******************************************************************************
1627b1019a6SJerry Jelinek *
1637b1019a6SJerry Jelinek * FUNCTION: AcpiUtAddAddressRange
1647b1019a6SJerry Jelinek *
1657b1019a6SJerry Jelinek * PARAMETERS: SpaceId - Address space ID
1667b1019a6SJerry Jelinek * Address - OpRegion start address
1677b1019a6SJerry Jelinek * Length - OpRegion length
1687b1019a6SJerry Jelinek * RegionNode - OpRegion namespace node
1697b1019a6SJerry Jelinek *
1707b1019a6SJerry Jelinek * RETURN: Status
1717b1019a6SJerry Jelinek *
1727b1019a6SJerry Jelinek * DESCRIPTION: Add the Operation Region address range to the global list.
1737b1019a6SJerry Jelinek * The only supported Space IDs are Memory and I/O. Called when
1747b1019a6SJerry Jelinek * the OpRegion address/length operands are fully evaluated.
1757b1019a6SJerry Jelinek *
1767b1019a6SJerry Jelinek * MUTEX: Locks the namespace
1777b1019a6SJerry Jelinek *
1787b1019a6SJerry Jelinek * NOTE: Because this interface is only called when an OpRegion argument
1797b1019a6SJerry Jelinek * list is evaluated, there cannot be any duplicate RegionNodes.
1807b1019a6SJerry Jelinek * Duplicate Address/Length values are allowed, however, so that multiple
1817b1019a6SJerry Jelinek * address conflicts can be detected.
1827b1019a6SJerry Jelinek *
1837b1019a6SJerry Jelinek ******************************************************************************/
1847b1019a6SJerry Jelinek
1857b1019a6SJerry Jelinek ACPI_STATUS
AcpiUtAddAddressRange(ACPI_ADR_SPACE_TYPE SpaceId,ACPI_PHYSICAL_ADDRESS Address,UINT32 Length,ACPI_NAMESPACE_NODE * RegionNode)1867b1019a6SJerry Jelinek AcpiUtAddAddressRange (
1877b1019a6SJerry Jelinek ACPI_ADR_SPACE_TYPE SpaceId,
1887b1019a6SJerry Jelinek ACPI_PHYSICAL_ADDRESS Address,
1897b1019a6SJerry Jelinek UINT32 Length,
1907b1019a6SJerry Jelinek ACPI_NAMESPACE_NODE *RegionNode)
1917b1019a6SJerry Jelinek {
1927b1019a6SJerry Jelinek ACPI_ADDRESS_RANGE *RangeInfo;
1937b1019a6SJerry Jelinek
1947b1019a6SJerry Jelinek
1957b1019a6SJerry Jelinek ACPI_FUNCTION_TRACE (UtAddAddressRange);
1967b1019a6SJerry Jelinek
1977b1019a6SJerry Jelinek
1987b1019a6SJerry Jelinek if ((SpaceId != ACPI_ADR_SPACE_SYSTEM_MEMORY) &&
1997b1019a6SJerry Jelinek (SpaceId != ACPI_ADR_SPACE_SYSTEM_IO))
2007b1019a6SJerry Jelinek {
2017b1019a6SJerry Jelinek return_ACPI_STATUS (AE_OK);
2027b1019a6SJerry Jelinek }
2037b1019a6SJerry Jelinek
2047b1019a6SJerry Jelinek /* Allocate/init a new info block, add it to the appropriate list */
2057b1019a6SJerry Jelinek
2067b1019a6SJerry Jelinek RangeInfo = ACPI_ALLOCATE (sizeof (ACPI_ADDRESS_RANGE));
2077b1019a6SJerry Jelinek if (!RangeInfo)
2087b1019a6SJerry Jelinek {
2097b1019a6SJerry Jelinek return_ACPI_STATUS (AE_NO_MEMORY);
2107b1019a6SJerry Jelinek }
2117b1019a6SJerry Jelinek
2127b1019a6SJerry Jelinek RangeInfo->StartAddress = Address;
2137b1019a6SJerry Jelinek RangeInfo->EndAddress = (Address + Length - 1);
2147b1019a6SJerry Jelinek RangeInfo->RegionNode = RegionNode;
2157b1019a6SJerry Jelinek
2167b1019a6SJerry Jelinek RangeInfo->Next = AcpiGbl_AddressRangeList[SpaceId];
2177b1019a6SJerry Jelinek AcpiGbl_AddressRangeList[SpaceId] = RangeInfo;
2187b1019a6SJerry Jelinek
2197b1019a6SJerry Jelinek ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
2207b1019a6SJerry Jelinek "\nAdded [%4.4s] address range: 0x%8.8X%8.8X-0x%8.8X%8.8X\n",
2217b1019a6SJerry Jelinek AcpiUtGetNodeName (RangeInfo->RegionNode),
2227b1019a6SJerry Jelinek ACPI_FORMAT_UINT64 (Address),
2237b1019a6SJerry Jelinek ACPI_FORMAT_UINT64 (RangeInfo->EndAddress)));
2247b1019a6SJerry Jelinek
2257b1019a6SJerry Jelinek return_ACPI_STATUS (AE_OK);
2267b1019a6SJerry Jelinek }
2277b1019a6SJerry Jelinek
2287b1019a6SJerry Jelinek
2297b1019a6SJerry Jelinek /*******************************************************************************
2307b1019a6SJerry Jelinek *
2317b1019a6SJerry Jelinek * FUNCTION: AcpiUtRemoveAddressRange
2327b1019a6SJerry Jelinek *
2337b1019a6SJerry Jelinek * PARAMETERS: SpaceId - Address space ID
2347b1019a6SJerry Jelinek * RegionNode - OpRegion namespace node
2357b1019a6SJerry Jelinek *
2367b1019a6SJerry Jelinek * RETURN: None
2377b1019a6SJerry Jelinek *
2387b1019a6SJerry Jelinek * DESCRIPTION: Remove the Operation Region from the global list. The only
2397b1019a6SJerry Jelinek * supported Space IDs are Memory and I/O. Called when an
2407b1019a6SJerry Jelinek * OpRegion is deleted.
2417b1019a6SJerry Jelinek *
2427b1019a6SJerry Jelinek * MUTEX: Assumes the namespace is locked
2437b1019a6SJerry Jelinek *
2447b1019a6SJerry Jelinek ******************************************************************************/
2457b1019a6SJerry Jelinek
2467b1019a6SJerry Jelinek void
AcpiUtRemoveAddressRange(ACPI_ADR_SPACE_TYPE SpaceId,ACPI_NAMESPACE_NODE * RegionNode)2477b1019a6SJerry Jelinek AcpiUtRemoveAddressRange (
2487b1019a6SJerry Jelinek ACPI_ADR_SPACE_TYPE SpaceId,
2497b1019a6SJerry Jelinek ACPI_NAMESPACE_NODE *RegionNode)
2507b1019a6SJerry Jelinek {
2517b1019a6SJerry Jelinek ACPI_ADDRESS_RANGE *RangeInfo;
2527b1019a6SJerry Jelinek ACPI_ADDRESS_RANGE *Prev;
2537b1019a6SJerry Jelinek
2547b1019a6SJerry Jelinek
2557b1019a6SJerry Jelinek ACPI_FUNCTION_TRACE (UtRemoveAddressRange);
2567b1019a6SJerry Jelinek
2577b1019a6SJerry Jelinek
2587b1019a6SJerry Jelinek if ((SpaceId != ACPI_ADR_SPACE_SYSTEM_MEMORY) &&
2597b1019a6SJerry Jelinek (SpaceId != ACPI_ADR_SPACE_SYSTEM_IO))
2607b1019a6SJerry Jelinek {
2617b1019a6SJerry Jelinek return_VOID;
2627b1019a6SJerry Jelinek }
2637b1019a6SJerry Jelinek
2647b1019a6SJerry Jelinek /* Get the appropriate list head and check the list */
2657b1019a6SJerry Jelinek
2667b1019a6SJerry Jelinek RangeInfo = Prev = AcpiGbl_AddressRangeList[SpaceId];
2677b1019a6SJerry Jelinek while (RangeInfo)
2687b1019a6SJerry Jelinek {
2697b1019a6SJerry Jelinek if (RangeInfo->RegionNode == RegionNode)
2707b1019a6SJerry Jelinek {
2717b1019a6SJerry Jelinek if (RangeInfo == Prev) /* Found at list head */
2727b1019a6SJerry Jelinek {
2737b1019a6SJerry Jelinek AcpiGbl_AddressRangeList[SpaceId] = RangeInfo->Next;
2747b1019a6SJerry Jelinek }
2757b1019a6SJerry Jelinek else
2767b1019a6SJerry Jelinek {
2777b1019a6SJerry Jelinek Prev->Next = RangeInfo->Next;
2787b1019a6SJerry Jelinek }
2797b1019a6SJerry Jelinek
2807b1019a6SJerry Jelinek ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
2817b1019a6SJerry Jelinek "\nRemoved [%4.4s] address range: 0x%8.8X%8.8X-0x%8.8X%8.8X\n",
2827b1019a6SJerry Jelinek AcpiUtGetNodeName (RangeInfo->RegionNode),
2837b1019a6SJerry Jelinek ACPI_FORMAT_UINT64 (RangeInfo->StartAddress),
2847b1019a6SJerry Jelinek ACPI_FORMAT_UINT64 (RangeInfo->EndAddress)));
2857b1019a6SJerry Jelinek
2867b1019a6SJerry Jelinek ACPI_FREE (RangeInfo);
2877b1019a6SJerry Jelinek return_VOID;
2887b1019a6SJerry Jelinek }
2897b1019a6SJerry Jelinek
2907b1019a6SJerry Jelinek Prev = RangeInfo;
2917b1019a6SJerry Jelinek RangeInfo = RangeInfo->Next;
2927b1019a6SJerry Jelinek }
2937b1019a6SJerry Jelinek
2947b1019a6SJerry Jelinek return_VOID;
2957b1019a6SJerry Jelinek }
2967b1019a6SJerry Jelinek
2977b1019a6SJerry Jelinek
2987b1019a6SJerry Jelinek /*******************************************************************************
2997b1019a6SJerry Jelinek *
3007b1019a6SJerry Jelinek * FUNCTION: AcpiUtCheckAddressRange
3017b1019a6SJerry Jelinek *
3027b1019a6SJerry Jelinek * PARAMETERS: SpaceId - Address space ID
3037b1019a6SJerry Jelinek * Address - Start address
3047b1019a6SJerry Jelinek * Length - Length of address range
3057b1019a6SJerry Jelinek * Warn - TRUE if warning on overlap desired
3067b1019a6SJerry Jelinek *
3077b1019a6SJerry Jelinek * RETURN: Count of the number of conflicts detected. Zero is always
3087b1019a6SJerry Jelinek * returned for Space IDs other than Memory or I/O.
3097b1019a6SJerry Jelinek *
3107b1019a6SJerry Jelinek * DESCRIPTION: Check if the input address range overlaps any of the
3117b1019a6SJerry Jelinek * ASL operation region address ranges. The only supported
3127b1019a6SJerry Jelinek * Space IDs are Memory and I/O.
3137b1019a6SJerry Jelinek *
3147b1019a6SJerry Jelinek * MUTEX: Assumes the namespace is locked.
3157b1019a6SJerry Jelinek *
3167b1019a6SJerry Jelinek ******************************************************************************/
3177b1019a6SJerry Jelinek
3187b1019a6SJerry Jelinek UINT32
AcpiUtCheckAddressRange(ACPI_ADR_SPACE_TYPE SpaceId,ACPI_PHYSICAL_ADDRESS Address,UINT32 Length,BOOLEAN Warn)3197b1019a6SJerry Jelinek AcpiUtCheckAddressRange (
3207b1019a6SJerry Jelinek ACPI_ADR_SPACE_TYPE SpaceId,
3217b1019a6SJerry Jelinek ACPI_PHYSICAL_ADDRESS Address,
3227b1019a6SJerry Jelinek UINT32 Length,
3237b1019a6SJerry Jelinek BOOLEAN Warn)
3247b1019a6SJerry Jelinek {
3257b1019a6SJerry Jelinek ACPI_ADDRESS_RANGE *RangeInfo;
3267b1019a6SJerry Jelinek ACPI_PHYSICAL_ADDRESS EndAddress;
3277b1019a6SJerry Jelinek char *Pathname;
3287b1019a6SJerry Jelinek UINT32 OverlapCount = 0;
3297b1019a6SJerry Jelinek
3307b1019a6SJerry Jelinek
3317b1019a6SJerry Jelinek ACPI_FUNCTION_TRACE (UtCheckAddressRange);
3327b1019a6SJerry Jelinek
3337b1019a6SJerry Jelinek
3347b1019a6SJerry Jelinek if ((SpaceId != ACPI_ADR_SPACE_SYSTEM_MEMORY) &&
3357b1019a6SJerry Jelinek (SpaceId != ACPI_ADR_SPACE_SYSTEM_IO))
3367b1019a6SJerry Jelinek {
3377b1019a6SJerry Jelinek return_UINT32 (0);
3387b1019a6SJerry Jelinek }
3397b1019a6SJerry Jelinek
3407b1019a6SJerry Jelinek RangeInfo = AcpiGbl_AddressRangeList[SpaceId];
3417b1019a6SJerry Jelinek EndAddress = Address + Length - 1;
3427b1019a6SJerry Jelinek
3437b1019a6SJerry Jelinek /* Check entire list for all possible conflicts */
3447b1019a6SJerry Jelinek
3457b1019a6SJerry Jelinek while (RangeInfo)
3467b1019a6SJerry Jelinek {
3477b1019a6SJerry Jelinek /*
3487b1019a6SJerry Jelinek * Check if the requested address/length overlaps this
3497b1019a6SJerry Jelinek * address range. There are four cases to consider:
3507b1019a6SJerry Jelinek *
3517b1019a6SJerry Jelinek * 1) Input address/length is contained completely in the
3527b1019a6SJerry Jelinek * address range
3537b1019a6SJerry Jelinek * 2) Input address/length overlaps range at the range start
3547b1019a6SJerry Jelinek * 3) Input address/length overlaps range at the range end
3557b1019a6SJerry Jelinek * 4) Input address/length completely encompasses the range
3567b1019a6SJerry Jelinek */
3577b1019a6SJerry Jelinek if ((Address <= RangeInfo->EndAddress) &&
3587b1019a6SJerry Jelinek (EndAddress >= RangeInfo->StartAddress))
3597b1019a6SJerry Jelinek {
3607b1019a6SJerry Jelinek /* Found an address range overlap */
3617b1019a6SJerry Jelinek
3627b1019a6SJerry Jelinek OverlapCount++;
3637b1019a6SJerry Jelinek if (Warn) /* Optional warning message */
3647b1019a6SJerry Jelinek {
3657b1019a6SJerry Jelinek Pathname = AcpiNsGetNormalizedPathname (RangeInfo->RegionNode, TRUE);
3667b1019a6SJerry Jelinek
3677b1019a6SJerry Jelinek ACPI_WARNING ((AE_INFO,
3687b1019a6SJerry Jelinek "%s range 0x%8.8X%8.8X-0x%8.8X%8.8X conflicts with OpRegion 0x%8.8X%8.8X-0x%8.8X%8.8X (%s)",
3697b1019a6SJerry Jelinek AcpiUtGetRegionName (SpaceId),
3707b1019a6SJerry Jelinek ACPI_FORMAT_UINT64 (Address),
3717b1019a6SJerry Jelinek ACPI_FORMAT_UINT64 (EndAddress),
3727b1019a6SJerry Jelinek ACPI_FORMAT_UINT64 (RangeInfo->StartAddress),
3737b1019a6SJerry Jelinek ACPI_FORMAT_UINT64 (RangeInfo->EndAddress),
3747b1019a6SJerry Jelinek Pathname));
3757b1019a6SJerry Jelinek ACPI_FREE (Pathname);
3767b1019a6SJerry Jelinek }
3777b1019a6SJerry Jelinek }
3787b1019a6SJerry Jelinek
3797b1019a6SJerry Jelinek RangeInfo = RangeInfo->Next;
3807b1019a6SJerry Jelinek }
3817b1019a6SJerry Jelinek
3827b1019a6SJerry Jelinek return_UINT32 (OverlapCount);
3837b1019a6SJerry Jelinek }
3847b1019a6SJerry Jelinek
3857b1019a6SJerry Jelinek
3867b1019a6SJerry Jelinek /*******************************************************************************
3877b1019a6SJerry Jelinek *
3887b1019a6SJerry Jelinek * FUNCTION: AcpiUtDeleteAddressLists
3897b1019a6SJerry Jelinek *
3907b1019a6SJerry Jelinek * PARAMETERS: None
3917b1019a6SJerry Jelinek *
3927b1019a6SJerry Jelinek * RETURN: None
3937b1019a6SJerry Jelinek *
3947b1019a6SJerry Jelinek * DESCRIPTION: Delete all global address range lists (called during
3957b1019a6SJerry Jelinek * subsystem shutdown).
3967b1019a6SJerry Jelinek *
3977b1019a6SJerry Jelinek ******************************************************************************/
3987b1019a6SJerry Jelinek
3997b1019a6SJerry Jelinek void
AcpiUtDeleteAddressLists(void)4007b1019a6SJerry Jelinek AcpiUtDeleteAddressLists (
4017b1019a6SJerry Jelinek void)
4027b1019a6SJerry Jelinek {
4037b1019a6SJerry Jelinek ACPI_ADDRESS_RANGE *Next;
4047b1019a6SJerry Jelinek ACPI_ADDRESS_RANGE *RangeInfo;
4057b1019a6SJerry Jelinek int i;
4067b1019a6SJerry Jelinek
4077b1019a6SJerry Jelinek
4087b1019a6SJerry Jelinek /* Delete all elements in all address range lists */
4097b1019a6SJerry Jelinek
4107b1019a6SJerry Jelinek for (i = 0; i < ACPI_ADDRESS_RANGE_MAX; i++)
4117b1019a6SJerry Jelinek {
4127b1019a6SJerry Jelinek Next = AcpiGbl_AddressRangeList[i];
4137b1019a6SJerry Jelinek
4147b1019a6SJerry Jelinek while (Next)
4157b1019a6SJerry Jelinek {
4167b1019a6SJerry Jelinek RangeInfo = Next;
4177b1019a6SJerry Jelinek Next = RangeInfo->Next;
4187b1019a6SJerry Jelinek ACPI_FREE (RangeInfo);
4197b1019a6SJerry Jelinek }
4207b1019a6SJerry Jelinek
4217b1019a6SJerry Jelinek AcpiGbl_AddressRangeList[i] = NULL;
4227b1019a6SJerry Jelinek }
4237b1019a6SJerry Jelinek }
424