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Diffstat (limited to 'sys/contrib/dev/acpica/components/utilities/utaddress.c')
| -rw-r--r-- | sys/contrib/dev/acpica/components/utilities/utaddress.c | 423 |
1 files changed, 423 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/components/utilities/utaddress.c b/sys/contrib/dev/acpica/components/utilities/utaddress.c new file mode 100644 index 000000000000..2285529634df --- /dev/null +++ b/sys/contrib/dev/acpica/components/utilities/utaddress.c @@ -0,0 +1,423 @@ +/****************************************************************************** + * + * Module Name: utaddress - OpRegion address range check + * + *****************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999 - 2020, Intel Corp. + * All rights reserved. + * + * 2. License + * + * 2.1. This is your license from Intel Corp. under its intellectual property + * rights. You may have additional license terms from the party that provided + * you this software, covering your right to use that party's intellectual + * property rights. + * + * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a + * copy of the source code appearing in this file ("Covered Code") an + * irrevocable, perpetual, worldwide license under Intel's copyrights in the + * base code distributed originally by Intel ("Original Intel Code") to copy, + * make derivatives, distribute, use and display any portion of the Covered + * Code in any form, with the right to sublicense such rights; and + * + * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent + * license (with the right to sublicense), under only those claims of Intel + * patents that are infringed by the Original Intel Code, to make, use, sell, + * offer to sell, and import the Covered Code and derivative works thereof + * solely to the minimum extent necessary to exercise the above copyright + * license, and in no event shall the patent license extend to any additions + * to or modifications of the Original Intel Code. No other license or right + * is granted directly or by implication, estoppel or otherwise; + * + * The above copyright and patent license is granted only if the following + * conditions are met: + * + * 3. Conditions + * + * 3.1. Redistribution of Source with Rights to Further Distribute Source. + * Redistribution of source code of any substantial portion of the Covered + * Code or modification with rights to further distribute source must include + * the above Copyright Notice, the above License, this list of Conditions, + * and the following Disclaimer and Export Compliance provision. In addition, + * Licensee must cause all Covered Code to which Licensee contributes to + * contain a file documenting the changes Licensee made to create that Covered + * Code and the date of any change. Licensee must include in that file the + * documentation of any changes made by any predecessor Licensee. Licensee + * must include a prominent statement that the modification is derived, + * directly or indirectly, from Original Intel Code. + * + * 3.2. Redistribution of Source with no Rights to Further Distribute Source. + * Redistribution of source code of any substantial portion of the Covered + * Code or modification without rights to further distribute source must + * include the following Disclaimer and Export Compliance provision in the + * documentation and/or other materials provided with distribution. In + * addition, Licensee may not authorize further sublicense of source of any + * portion of the Covered Code, and must include terms to the effect that the + * license from Licensee to its licensee is limited to the intellectual + * property embodied in the software Licensee provides to its licensee, and + * not to intellectual property embodied in modifications its licensee may + * make. + * + * 3.3. Redistribution of Executable. Redistribution in executable form of any + * substantial portion of the Covered Code or modification must reproduce the + * above Copyright Notice, and the following Disclaimer and Export Compliance + * provision in the documentation and/or other materials provided with the + * distribution. + * + * 3.4. Intel retains all right, title, and interest in and to the Original + * Intel Code. + * + * 3.5. Neither the name Intel nor any other trademark owned or controlled by + * Intel shall be used in advertising or otherwise to promote the sale, use or + * other dealings in products derived from or relating to the Covered Code + * without prior written authorization from Intel. + * + * 4. Disclaimer and Export Compliance + * + * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED + * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE + * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, + * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY + * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY + * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A + * PARTICULAR PURPOSE. + * + * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES + * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR + * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, + * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY + * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL + * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS + * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY + * LIMITED REMEDY. + * + * 4.3. Licensee shall not export, either directly or indirectly, any of this + * software or system incorporating such software without first obtaining any + * required license or other approval from the U. S. Department of Commerce or + * any other agency or department of the United States Government. In the + * event Licensee exports any such software from the United States or + * re-exports any such software from a foreign destination, Licensee shall + * ensure that the distribution and export/re-export of the software is in + * compliance with all laws, regulations, orders, or other restrictions of the + * U.S. Export Administration Regulations. Licensee agrees that neither it nor + * any of its subsidiaries will export/re-export any technical data, process, + * software, or service, directly or indirectly, to any country for which the + * United States government or any agency thereof requires an export license, + * other governmental approval, or letter of assurance, without first obtaining + * such license, approval or letter. + * + ***************************************************************************** + * + * Alternatively, you may choose to be licensed under the terms of the + * following license: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Alternatively, you may choose to be licensed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + *****************************************************************************/ + +#include <contrib/dev/acpica/include/acpi.h> +#include <contrib/dev/acpica/include/accommon.h> +#include <contrib/dev/acpica/include/acnamesp.h> + + +#define _COMPONENT ACPI_UTILITIES + ACPI_MODULE_NAME ("utaddress") + + +/******************************************************************************* + * + * FUNCTION: AcpiUtAddAddressRange + * + * PARAMETERS: SpaceId - Address space ID + * Address - OpRegion start address + * Length - OpRegion length + * RegionNode - OpRegion namespace node + * + * RETURN: Status + * + * DESCRIPTION: Add the Operation Region address range to the global list. + * The only supported Space IDs are Memory and I/O. Called when + * the OpRegion address/length operands are fully evaluated. + * + * MUTEX: Locks the namespace + * + * NOTE: Because this interface is only called when an OpRegion argument + * list is evaluated, there cannot be any duplicate RegionNodes. + * Duplicate Address/Length values are allowed, however, so that multiple + * address conflicts can be detected. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiUtAddAddressRange ( + ACPI_ADR_SPACE_TYPE SpaceId, + ACPI_PHYSICAL_ADDRESS Address, + UINT32 Length, + ACPI_NAMESPACE_NODE *RegionNode) +{ + ACPI_ADDRESS_RANGE *RangeInfo; + + + ACPI_FUNCTION_TRACE (UtAddAddressRange); + + + if ((SpaceId != ACPI_ADR_SPACE_SYSTEM_MEMORY) && + (SpaceId != ACPI_ADR_SPACE_SYSTEM_IO)) + { + return_ACPI_STATUS (AE_OK); + } + + /* Allocate/init a new info block, add it to the appropriate list */ + + RangeInfo = ACPI_ALLOCATE (sizeof (ACPI_ADDRESS_RANGE)); + if (!RangeInfo) + { + return_ACPI_STATUS (AE_NO_MEMORY); + } + + RangeInfo->StartAddress = Address; + RangeInfo->EndAddress = (Address + Length - 1); + RangeInfo->RegionNode = RegionNode; + + RangeInfo->Next = AcpiGbl_AddressRangeList[SpaceId]; + AcpiGbl_AddressRangeList[SpaceId] = RangeInfo; + + ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, + "\nAdded [%4.4s] address range: 0x%8.8X%8.8X-0x%8.8X%8.8X\n", + AcpiUtGetNodeName (RangeInfo->RegionNode), + ACPI_FORMAT_UINT64 (Address), + ACPI_FORMAT_UINT64 (RangeInfo->EndAddress))); + + return_ACPI_STATUS (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtRemoveAddressRange + * + * PARAMETERS: SpaceId - Address space ID + * RegionNode - OpRegion namespace node + * + * RETURN: None + * + * DESCRIPTION: Remove the Operation Region from the global list. The only + * supported Space IDs are Memory and I/O. Called when an + * OpRegion is deleted. + * + * MUTEX: Assumes the namespace is locked + * + ******************************************************************************/ + +void +AcpiUtRemoveAddressRange ( + ACPI_ADR_SPACE_TYPE SpaceId, + ACPI_NAMESPACE_NODE *RegionNode) +{ + ACPI_ADDRESS_RANGE *RangeInfo; + ACPI_ADDRESS_RANGE *Prev; + + + ACPI_FUNCTION_TRACE (UtRemoveAddressRange); + + + if ((SpaceId != ACPI_ADR_SPACE_SYSTEM_MEMORY) && + (SpaceId != ACPI_ADR_SPACE_SYSTEM_IO)) + { + return_VOID; + } + + /* Get the appropriate list head and check the list */ + + RangeInfo = Prev = AcpiGbl_AddressRangeList[SpaceId]; + while (RangeInfo) + { + if (RangeInfo->RegionNode == RegionNode) + { + if (RangeInfo == Prev) /* Found at list head */ + { + AcpiGbl_AddressRangeList[SpaceId] = RangeInfo->Next; + } + else + { + Prev->Next = RangeInfo->Next; + } + + ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, + "\nRemoved [%4.4s] address range: 0x%8.8X%8.8X-0x%8.8X%8.8X\n", + AcpiUtGetNodeName (RangeInfo->RegionNode), + ACPI_FORMAT_UINT64 (RangeInfo->StartAddress), + ACPI_FORMAT_UINT64 (RangeInfo->EndAddress))); + + ACPI_FREE (RangeInfo); + return_VOID; + } + + Prev = RangeInfo; + RangeInfo = RangeInfo->Next; + } + + return_VOID; +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtCheckAddressRange + * + * PARAMETERS: SpaceId - Address space ID + * Address - Start address + * Length - Length of address range + * Warn - TRUE if warning on overlap desired + * + * RETURN: Count of the number of conflicts detected. Zero is always + * returned for Space IDs other than Memory or I/O. + * + * DESCRIPTION: Check if the input address range overlaps any of the + * ASL operation region address ranges. The only supported + * Space IDs are Memory and I/O. + * + * MUTEX: Assumes the namespace is locked. + * + ******************************************************************************/ + +UINT32 +AcpiUtCheckAddressRange ( + ACPI_ADR_SPACE_TYPE SpaceId, + ACPI_PHYSICAL_ADDRESS Address, + UINT32 Length, + BOOLEAN Warn) +{ + ACPI_ADDRESS_RANGE *RangeInfo; + ACPI_PHYSICAL_ADDRESS EndAddress; + char *Pathname; + UINT32 OverlapCount = 0; + + + ACPI_FUNCTION_TRACE (UtCheckAddressRange); + + + if ((SpaceId != ACPI_ADR_SPACE_SYSTEM_MEMORY) && + (SpaceId != ACPI_ADR_SPACE_SYSTEM_IO)) + { + return_UINT32 (0); + } + + RangeInfo = AcpiGbl_AddressRangeList[SpaceId]; + EndAddress = Address + Length - 1; + + /* Check entire list for all possible conflicts */ + + while (RangeInfo) + { + /* + * Check if the requested address/length overlaps this + * address range. There are four cases to consider: + * + * 1) Input address/length is contained completely in the + * address range + * 2) Input address/length overlaps range at the range start + * 3) Input address/length overlaps range at the range end + * 4) Input address/length completely encompasses the range + */ + if ((Address <= RangeInfo->EndAddress) && + (EndAddress >= RangeInfo->StartAddress)) + { + /* Found an address range overlap */ + + OverlapCount++; + if (Warn) /* Optional warning message */ + { + Pathname = AcpiNsGetNormalizedPathname (RangeInfo->RegionNode, TRUE); + + ACPI_WARNING ((AE_INFO, + "%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)", + AcpiUtGetRegionName (SpaceId), + ACPI_FORMAT_UINT64 (Address), + ACPI_FORMAT_UINT64 (EndAddress), + ACPI_FORMAT_UINT64 (RangeInfo->StartAddress), + ACPI_FORMAT_UINT64 (RangeInfo->EndAddress), + Pathname)); + ACPI_FREE (Pathname); + } + } + + RangeInfo = RangeInfo->Next; + } + + return_UINT32 (OverlapCount); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtDeleteAddressLists + * + * PARAMETERS: None + * + * RETURN: None + * + * DESCRIPTION: Delete all global address range lists (called during + * subsystem shutdown). + * + ******************************************************************************/ + +void +AcpiUtDeleteAddressLists ( + void) +{ + ACPI_ADDRESS_RANGE *Next; + ACPI_ADDRESS_RANGE *RangeInfo; + int i; + + + /* Delete all elements in all address range lists */ + + for (i = 0; i < ACPI_ADDRESS_RANGE_MAX; i++) + { + Next = AcpiGbl_AddressRangeList[i]; + + while (Next) + { + RangeInfo = Next; + Next = RangeInfo->Next; + ACPI_FREE (RangeInfo); + } + + AcpiGbl_AddressRangeList[i] = NULL; + } +} |