| /****************************************************************************** |
| * |
| * Module Name: aeinstall - Installation of operation region handlers |
| * |
| *****************************************************************************/ |
| |
| /* |
| * Copyright (C) 2000 - 2020, Intel Corp. |
| * All rights reserved. |
| * |
| * 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. |
| * |
| * NO WARRANTY |
| * 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 MERCHANTIBILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES. |
| */ |
| |
| #include "aecommon.h" |
| |
| #define _COMPONENT ACPI_TOOLS |
| ACPI_MODULE_NAME ("aeinstall") |
| |
| |
| static ACPI_STATUS |
| AeRegionInit ( |
| ACPI_HANDLE RegionHandle, |
| UINT32 Function, |
| void *HandlerContext, |
| void **RegionContext); |
| |
| static ACPI_STATUS |
| AeInstallEcHandler ( |
| ACPI_HANDLE ObjHandle, |
| UINT32 Level, |
| void *Context, |
| void **ReturnValue); |
| |
| static ACPI_STATUS |
| AeInstallPciHandler ( |
| ACPI_HANDLE ObjHandle, |
| UINT32 Level, |
| void *Context, |
| void **ReturnValue); |
| |
| |
| BOOLEAN AcpiGbl_DisplayRegionAccess = FALSE; |
| ACPI_CONNECTION_INFO AeMyContext; |
| |
| |
| /* |
| * We will override some of the default region handlers, especially |
| * the SystemMemory handler, which must be implemented locally. |
| * These handlers are installed "early" - before any _REG methods |
| * are executed - since they are special in the sense that the ACPI spec |
| * declares that they must "always be available". Cannot override the |
| * DataTable region handler either -- needed for test execution. |
| * |
| * NOTE: The local region handler will simulate access to these address |
| * spaces by creating a memory buffer behind each operation region. |
| */ |
| static ACPI_ADR_SPACE_TYPE DefaultSpaceIdList[] = |
| { |
| ACPI_ADR_SPACE_SYSTEM_MEMORY, |
| ACPI_ADR_SPACE_SYSTEM_IO, |
| ACPI_ADR_SPACE_PCI_CONFIG, |
| ACPI_ADR_SPACE_EC |
| }; |
| |
| /* |
| * We will install handlers for some of the various address space IDs. |
| * Test one user-defined address space (used by aslts). |
| */ |
| #define ACPI_ADR_SPACE_USER_DEFINED1 0x80 |
| #define ACPI_ADR_SPACE_USER_DEFINED2 0xE4 |
| |
| static ACPI_ADR_SPACE_TYPE SpaceIdList[] = |
| { |
| ACPI_ADR_SPACE_SMBUS, |
| ACPI_ADR_SPACE_CMOS, |
| ACPI_ADR_SPACE_PCI_BAR_TARGET, |
| ACPI_ADR_SPACE_IPMI, |
| ACPI_ADR_SPACE_GPIO, |
| ACPI_ADR_SPACE_GSBUS, |
| ACPI_ADR_SPACE_PLATFORM_COMM, |
| ACPI_ADR_SPACE_FIXED_HARDWARE, |
| ACPI_ADR_SPACE_USER_DEFINED1, |
| ACPI_ADR_SPACE_USER_DEFINED2 |
| }; |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: AeRegionInit |
| * |
| * PARAMETERS: Region init handler |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Opregion init function. |
| * |
| *****************************************************************************/ |
| |
| static ACPI_STATUS |
| AeRegionInit ( |
| ACPI_HANDLE RegionHandle, |
| UINT32 Function, |
| void *HandlerContext, |
| void **RegionContext) |
| { |
| |
| if (Function == ACPI_REGION_DEACTIVATE) |
| { |
| *RegionContext = NULL; |
| } |
| else |
| { |
| *RegionContext = RegionHandle; |
| } |
| |
| return (AE_OK); |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: AeOverrideRegionHandlers |
| * |
| * PARAMETERS: None |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Override the default region handlers for memory, i/o, and |
| * pci_config. Also install a handler for EC. This is part of |
| * the "install early handlers" functionality. |
| * |
| *****************************************************************************/ |
| |
| void |
| AeOverrideRegionHandlers ( |
| void) |
| { |
| UINT32 i; |
| ACPI_STATUS Status; |
| |
| /* |
| * Install handlers that will override the default handlers for some of |
| * the space IDs. |
| */ |
| for (i = 0; i < ACPI_ARRAY_LENGTH (DefaultSpaceIdList); i++) |
| { |
| /* Install handler at the root object */ |
| |
| Status = AcpiInstallAddressSpaceHandler (ACPI_ROOT_OBJECT, |
| DefaultSpaceIdList[i], AeRegionHandler, AeRegionInit, |
| &AeMyContext); |
| |
| if (ACPI_FAILURE (Status)) |
| { |
| ACPI_EXCEPTION ((AE_INFO, Status, |
| "Could not install an OpRegion handler for %s space(%u)", |
| AcpiUtGetRegionName ((UINT8) DefaultSpaceIdList[i]), |
| DefaultSpaceIdList[i])); |
| } |
| } |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: AeInstallRegionHandlers |
| * |
| * PARAMETERS: None |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Install handlers for the address spaces other than |
| * SystemMemory, SystemIO, and PCI_CONFIG. |
| * |
| *****************************************************************************/ |
| |
| void |
| AeInstallRegionHandlers ( |
| void) |
| { |
| UINT32 i; |
| ACPI_STATUS Status; |
| |
| |
| /* |
| * Install handlers for some of the "device driver" address spaces |
| * such as SMBus, etc. |
| */ |
| for (i = 0; i < ACPI_ARRAY_LENGTH (SpaceIdList); i++) |
| { |
| /* Install handler at the root object */ |
| |
| Status = AcpiInstallAddressSpaceHandler (ACPI_ROOT_OBJECT, |
| SpaceIdList[i], AeRegionHandler, AeRegionInit, |
| &AeMyContext); |
| |
| if (ACPI_FAILURE (Status)) |
| { |
| ACPI_EXCEPTION ((AE_INFO, Status, |
| "Could not install an OpRegion handler for %s space(%u)", |
| AcpiUtGetRegionName((UINT8) SpaceIdList[i]), SpaceIdList[i])); |
| return; |
| } |
| } |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: AeInstallDeviceHandlers |
| * |
| * PARAMETERS: None |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Install handlers for all EC and PCI devices in the namespace |
| * |
| ******************************************************************************/ |
| |
| ACPI_STATUS |
| AeInstallDeviceHandlers ( |
| void) |
| { |
| |
| /* Find all Embedded Controller devices */ |
| |
| AcpiGetDevices ("PNP0C09", AeInstallEcHandler, NULL, NULL); |
| |
| /* Install a PCI handler */ |
| |
| AcpiGetDevices ("PNP0A08", AeInstallPciHandler, NULL, NULL); |
| return (AE_OK); |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: AeInstallEcHandler |
| * |
| * PARAMETERS: ACPI_WALK_NAMESPACE callback |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Walk entire namespace, install a handler for every EC |
| * device found. |
| * |
| ******************************************************************************/ |
| |
| static ACPI_STATUS |
| AeInstallEcHandler ( |
| ACPI_HANDLE ObjHandle, |
| UINT32 Level, |
| void *Context, |
| void **ReturnValue) |
| { |
| ACPI_STATUS Status; |
| |
| |
| /* Install the handler for this EC device */ |
| |
| Status = AcpiInstallAddressSpaceHandler (ObjHandle, |
| ACPI_ADR_SPACE_EC, AeRegionHandler, AeRegionInit, &AeMyContext); |
| if (ACPI_FAILURE (Status)) |
| { |
| ACPI_EXCEPTION ((AE_INFO, Status, |
| "Could not install an OpRegion handler for EC device (%p)", |
| ObjHandle)); |
| } |
| |
| return (Status); |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: AeInstallPciHandler |
| * |
| * PARAMETERS: ACPI_WALK_NAMESPACE callback |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Walk entire namespace, install a handler for every PCI |
| * device found. |
| * |
| ******************************************************************************/ |
| |
| static ACPI_STATUS |
| AeInstallPciHandler ( |
| ACPI_HANDLE ObjHandle, |
| UINT32 Level, |
| void *Context, |
| void **ReturnValue) |
| { |
| ACPI_STATUS Status; |
| |
| |
| /* Install memory and I/O handlers for the PCI device */ |
| |
| Status = AcpiInstallAddressSpaceHandler (ObjHandle, |
| ACPI_ADR_SPACE_SYSTEM_IO, AeRegionHandler, AeRegionInit, |
| &AeMyContext); |
| if (ACPI_FAILURE (Status)) |
| { |
| ACPI_EXCEPTION ((AE_INFO, Status, |
| "Could not install an OpRegion handler for PCI device (%p)", |
| ObjHandle)); |
| } |
| |
| Status = AcpiInstallAddressSpaceHandler (ObjHandle, |
| ACPI_ADR_SPACE_SYSTEM_MEMORY, AeRegionHandler, AeRegionInit, |
| &AeMyContext); |
| if (ACPI_FAILURE (Status)) |
| { |
| ACPI_EXCEPTION ((AE_INFO, Status, |
| "Could not install an OpRegion handler for PCI device (%p)", |
| ObjHandle)); |
| } |
| |
| return (AE_CTRL_TERMINATE); |
| } |
