mirror of https://github.com/acidanthera/audk.git
854 lines
27 KiB
C
854 lines
27 KiB
C
/** @file
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The internal header file includes the common header files, defines
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internal structure and functions used by MmCore module.
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Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2016 - 2021, Arm Limited. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _MM_CORE_H_
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#define _MM_CORE_H_
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#include <PiMm.h>
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#include <StandaloneMm.h>
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#include <Protocol/DxeMmReadyToLock.h>
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#include <Protocol/MmReadyToLock.h>
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#include <Protocol/MmEndOfDxe.h>
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#include <Protocol/MmCommunication2.h>
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#include <Protocol/LoadedImage.h>
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#include <Protocol/MmConfiguration.h>
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#include <Guid/Apriori.h>
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#include <Guid/EventGroup.h>
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#include <Guid/EventLegacyBios.h>
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#include <Guid/ZeroGuid.h>
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#include <Guid/MemoryProfile.h>
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#include <Guid/HobList.h>
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#include <Guid/MmFvDispatch.h>
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#include <Guid/MmramMemoryReserve.h>
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#include <Library/StandaloneMmCoreEntryPoint.h>
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#include <Library/BaseLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/PeCoffLib.h>
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#include <Library/CacheMaintenanceLib.h>
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#include <Library/DebugLib.h>
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#include <Library/ReportStatusCodeLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/PcdLib.h>
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#include <Library/StandaloneMmMemLib.h>
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#include <Library/HobLib.h>
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#include "StandaloneMmCorePrivateData.h"
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//
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// Used to build a table of MMI Handlers that the MM Core registers
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//
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typedef struct {
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EFI_MM_HANDLER_ENTRY_POINT Handler;
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EFI_GUID *HandlerType;
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EFI_HANDLE DispatchHandle;
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BOOLEAN UnRegister;
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} MM_CORE_MMI_HANDLERS;
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//
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// Structure for recording the state of an MM Driver
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//
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#define EFI_MM_DRIVER_ENTRY_SIGNATURE SIGNATURE_32('s', 'd','r','v')
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typedef struct {
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UINTN Signature;
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LIST_ENTRY Link; // mDriverList
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LIST_ENTRY ScheduledLink; // mScheduledQueue
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EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;
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EFI_GUID FileName;
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VOID *Pe32Data;
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UINTN Pe32DataSize;
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VOID *Depex;
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UINTN DepexSize;
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BOOLEAN Before;
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BOOLEAN After;
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EFI_GUID BeforeAfterGuid;
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BOOLEAN Dependent;
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BOOLEAN Scheduled;
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BOOLEAN Initialized;
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BOOLEAN DepexProtocolError;
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EFI_HANDLE ImageHandle;
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EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;
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//
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// Image EntryPoint in MMRAM
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//
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PHYSICAL_ADDRESS ImageEntryPoint;
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//
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// Image Buffer in MMRAM
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//
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PHYSICAL_ADDRESS ImageBuffer;
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//
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// Image Page Number
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//
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UINTN NumberOfPage;
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} EFI_MM_DRIVER_ENTRY;
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#define EFI_HANDLE_SIGNATURE SIGNATURE_32('h','n','d','l')
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///
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/// IHANDLE - contains a list of protocol handles
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///
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typedef struct {
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UINTN Signature;
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/// All handles list of IHANDLE
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LIST_ENTRY AllHandles;
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/// List of PROTOCOL_INTERFACE's for this handle
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LIST_ENTRY Protocols;
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UINTN LocateRequest;
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} IHANDLE;
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#define ASSERT_IS_HANDLE(a) ASSERT((a)->Signature == EFI_HANDLE_SIGNATURE)
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#define PROTOCOL_ENTRY_SIGNATURE SIGNATURE_32('p','r','t','e')
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///
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/// PROTOCOL_ENTRY - each different protocol has 1 entry in the protocol
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/// database. Each handler that supports this protocol is listed, along
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/// with a list of registered notifies.
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///
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typedef struct {
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UINTN Signature;
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/// Link Entry inserted to mProtocolDatabase
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LIST_ENTRY AllEntries;
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/// ID of the protocol
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EFI_GUID ProtocolID;
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/// All protocol interfaces
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LIST_ENTRY Protocols;
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/// Registered notification handlers
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LIST_ENTRY Notify;
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} PROTOCOL_ENTRY;
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#define PROTOCOL_INTERFACE_SIGNATURE SIGNATURE_32('p','i','f','c')
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///
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/// PROTOCOL_INTERFACE - each protocol installed on a handle is tracked
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/// with a protocol interface structure
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///
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typedef struct {
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UINTN Signature;
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/// Link on IHANDLE.Protocols
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LIST_ENTRY Link;
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/// Back pointer
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IHANDLE *Handle;
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/// Link on PROTOCOL_ENTRY.Protocols
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LIST_ENTRY ByProtocol;
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/// The protocol ID
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PROTOCOL_ENTRY *Protocol;
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/// The interface value
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VOID *Interface;
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} PROTOCOL_INTERFACE;
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#define PROTOCOL_NOTIFY_SIGNATURE SIGNATURE_32('p','r','t','n')
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///
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/// PROTOCOL_NOTIFY - used for each register notification for a protocol
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///
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typedef struct {
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UINTN Signature;
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PROTOCOL_ENTRY *Protocol;
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/// All notifications for this protocol
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LIST_ENTRY Link;
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/// Notification function
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EFI_MM_NOTIFY_FN Function;
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/// Last position notified
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LIST_ENTRY *Position;
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} PROTOCOL_NOTIFY;
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//
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// MM Core Global Variables
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//
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extern MM_CORE_PRIVATE_DATA *gMmCorePrivate;
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extern EFI_MM_SYSTEM_TABLE gMmCoreMmst;
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extern LIST_ENTRY gHandleList;
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extern EFI_PHYSICAL_ADDRESS gLoadModuleAtFixAddressMmramBase;
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/**
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Called to initialize the memory service.
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@param MmramRangeCount Number of MMRAM Regions
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@param MmramRanges Pointer to MMRAM Descriptors
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**/
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VOID
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MmInitializeMemoryServices (
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IN UINTN MmramRangeCount,
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IN EFI_MMRAM_DESCRIPTOR *MmramRanges
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);
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/**
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The MmInstallConfigurationTable() function is used to maintain the list
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of configuration tables that are stored in the System Management System
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Table. The list is stored as an array of (GUID, Pointer) pairs. The list
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must be allocated from pool memory with PoolType set to EfiRuntimeServicesData.
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@param SystemTable A pointer to the MM System Table (SMST).
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@param Guid A pointer to the GUID for the entry to add, update, or remove.
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@param Table A pointer to the buffer of the table to add.
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@param TableSize The size of the table to install.
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@retval EFI_SUCCESS The (Guid, Table) pair was added, updated, or removed.
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@retval EFI_INVALID_PARAMETER Guid is not valid.
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@retval EFI_NOT_FOUND An attempt was made to delete a non-existent entry.
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@retval EFI_OUT_OF_RESOURCES There is not enough memory available to complete the operation.
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**/
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EFI_STATUS
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EFIAPI
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MmInstallConfigurationTable (
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IN CONST EFI_MM_SYSTEM_TABLE *SystemTable,
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IN CONST EFI_GUID *Guid,
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IN VOID *Table,
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IN UINTN TableSize
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);
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/**
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Wrapper function to MmInstallProtocolInterfaceNotify. This is the public API which
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Calls the private one which contains a BOOLEAN parameter for notifications
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@param UserHandle The handle to install the protocol handler on,
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or NULL if a new handle is to be allocated
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@param Protocol The protocol to add to the handle
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@param InterfaceType Indicates whether Interface is supplied in
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native form.
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@param Interface The interface for the protocol being added
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@return Status code
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**/
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EFI_STATUS
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EFIAPI
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MmInstallProtocolInterface (
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IN OUT EFI_HANDLE *UserHandle,
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IN EFI_GUID *Protocol,
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IN EFI_INTERFACE_TYPE InterfaceType,
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IN VOID *Interface
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);
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/**
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Allocates pages from the memory map.
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@param Type The type of allocation to perform
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@param MemoryType The type of memory to turn the allocated pages
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into
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@param NumberOfPages The number of pages to allocate
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@param Memory A pointer to receive the base allocated memory
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address
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@retval EFI_INVALID_PARAMETER Parameters violate checking rules defined in spec.
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@retval EFI_NOT_FOUND Could not allocate pages match the requirement.
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@retval EFI_OUT_OF_RESOURCES No enough pages to allocate.
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@retval EFI_SUCCESS Pages successfully allocated.
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**/
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EFI_STATUS
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EFIAPI
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MmAllocatePages (
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IN EFI_ALLOCATE_TYPE Type,
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IN EFI_MEMORY_TYPE MemoryType,
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IN UINTN NumberOfPages,
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OUT EFI_PHYSICAL_ADDRESS *Memory
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);
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/**
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Allocates pages from the memory map.
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@param Type The type of allocation to perform
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@param MemoryType The type of memory to turn the allocated pages
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into
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@param NumberOfPages The number of pages to allocate
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@param Memory A pointer to receive the base allocated memory
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address
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@retval EFI_INVALID_PARAMETER Parameters violate checking rules defined in spec.
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@retval EFI_NOT_FOUND Could not allocate pages match the requirement.
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@retval EFI_OUT_OF_RESOURCES No enough pages to allocate.
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@retval EFI_SUCCESS Pages successfully allocated.
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**/
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EFI_STATUS
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EFIAPI
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MmInternalAllocatePages (
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IN EFI_ALLOCATE_TYPE Type,
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IN EFI_MEMORY_TYPE MemoryType,
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IN UINTN NumberOfPages,
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OUT EFI_PHYSICAL_ADDRESS *Memory
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);
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/**
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Frees previous allocated pages.
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@param Memory Base address of memory being freed
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@param NumberOfPages The number of pages to free
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@retval EFI_NOT_FOUND Could not find the entry that covers the range
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@retval EFI_INVALID_PARAMETER Address not aligned, Address is zero or NumberOfPages is zero.
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@return EFI_SUCCESS Pages successfully freed.
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**/
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EFI_STATUS
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EFIAPI
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MmFreePages (
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IN EFI_PHYSICAL_ADDRESS Memory,
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IN UINTN NumberOfPages
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);
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/**
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Frees previous allocated pages.
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@param Memory Base address of memory being freed
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@param NumberOfPages The number of pages to free
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@retval EFI_NOT_FOUND Could not find the entry that covers the range
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@retval EFI_INVALID_PARAMETER Address not aligned, Address is zero or NumberOfPages is zero.
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@return EFI_SUCCESS Pages successfully freed.
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**/
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EFI_STATUS
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EFIAPI
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MmInternalFreePages (
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IN EFI_PHYSICAL_ADDRESS Memory,
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IN UINTN NumberOfPages
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);
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/**
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Allocate pool of a particular type.
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@param PoolType Type of pool to allocate
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@param Size The amount of pool to allocate
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@param Buffer The address to return a pointer to the allocated
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pool
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@retval EFI_INVALID_PARAMETER PoolType not valid
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@retval EFI_OUT_OF_RESOURCES Size exceeds max pool size or allocation failed.
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@retval EFI_SUCCESS Pool successfully allocated.
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**/
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EFI_STATUS
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EFIAPI
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MmAllocatePool (
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IN EFI_MEMORY_TYPE PoolType,
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IN UINTN Size,
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OUT VOID **Buffer
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);
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/**
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Allocate pool of a particular type.
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@param PoolType Type of pool to allocate
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@param Size The amount of pool to allocate
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@param Buffer The address to return a pointer to the allocated
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pool
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@retval EFI_INVALID_PARAMETER PoolType not valid
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@retval EFI_OUT_OF_RESOURCES Size exceeds max pool size or allocation failed.
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@retval EFI_SUCCESS Pool successfully allocated.
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**/
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EFI_STATUS
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EFIAPI
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MmInternalAllocatePool (
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IN EFI_MEMORY_TYPE PoolType,
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IN UINTN Size,
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OUT VOID **Buffer
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);
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/**
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Frees pool.
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@param Buffer The allocated pool entry to free
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@retval EFI_INVALID_PARAMETER Buffer is not a valid value.
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@retval EFI_SUCCESS Pool successfully freed.
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**/
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EFI_STATUS
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EFIAPI
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MmFreePool (
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IN VOID *Buffer
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);
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/**
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Frees pool.
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@param Buffer The allocated pool entry to free
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@retval EFI_INVALID_PARAMETER Buffer is not a valid value.
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@retval EFI_SUCCESS Pool successfully freed.
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**/
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EFI_STATUS
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EFIAPI
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MmInternalFreePool (
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IN VOID *Buffer
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);
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/**
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Installs a protocol interface into the boot services environment.
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@param UserHandle The handle to install the protocol handler on,
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or NULL if a new handle is to be allocated
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@param Protocol The protocol to add to the handle
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@param InterfaceType Indicates whether Interface is supplied in
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native form.
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@param Interface The interface for the protocol being added
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@param Notify indicates whether notify the notification list
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for this protocol
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@retval EFI_INVALID_PARAMETER Invalid parameter
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@retval EFI_OUT_OF_RESOURCES No enough buffer to allocate
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@retval EFI_SUCCESS Protocol interface successfully installed
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**/
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EFI_STATUS
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MmInstallProtocolInterfaceNotify (
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IN OUT EFI_HANDLE *UserHandle,
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IN EFI_GUID *Protocol,
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IN EFI_INTERFACE_TYPE InterfaceType,
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IN VOID *Interface,
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IN BOOLEAN Notify
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);
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/**
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Uninstalls all instances of a protocol:interfacer from a handle.
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If the last protocol interface is remove from the handle, the
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handle is freed.
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@param UserHandle The handle to remove the protocol handler from
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@param Protocol The protocol, of protocol:interface, to remove
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@param Interface The interface, of protocol:interface, to remove
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@retval EFI_INVALID_PARAMETER Protocol is NULL.
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@retval EFI_SUCCESS Protocol interface successfully uninstalled.
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**/
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EFI_STATUS
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EFIAPI
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MmUninstallProtocolInterface (
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IN EFI_HANDLE UserHandle,
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IN EFI_GUID *Protocol,
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IN VOID *Interface
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);
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/**
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Queries a handle to determine if it supports a specified protocol.
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@param UserHandle The handle being queried.
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@param Protocol The published unique identifier of the protocol.
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@param Interface Supplies the address where a pointer to the
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corresponding Protocol Interface is returned.
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@return The requested protocol interface for the handle
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**/
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EFI_STATUS
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EFIAPI
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MmHandleProtocol (
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IN EFI_HANDLE UserHandle,
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IN EFI_GUID *Protocol,
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OUT VOID **Interface
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);
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/**
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Add a new protocol notification record for the request protocol.
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@param Protocol The requested protocol to add the notify
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registration
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@param Function Points to the notification function
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@param Registration Returns the registration record
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@retval EFI_INVALID_PARAMETER Invalid parameter
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@retval EFI_SUCCESS Successfully returned the registration record
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that has been added
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**/
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EFI_STATUS
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EFIAPI
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MmRegisterProtocolNotify (
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IN CONST EFI_GUID *Protocol,
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IN EFI_MM_NOTIFY_FN Function,
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OUT VOID **Registration
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);
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/**
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Locates the requested handle(s) and returns them in Buffer.
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@param SearchType The type of search to perform to locate the
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handles
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@param Protocol The protocol to search for
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@param SearchKey Dependant on SearchType
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@param BufferSize On input the size of Buffer. On output the
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size of data returned.
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@param Buffer The buffer to return the results in
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@retval EFI_BUFFER_TOO_SMALL Buffer too small, required buffer size is
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returned in BufferSize.
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@retval EFI_INVALID_PARAMETER Invalid parameter
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@retval EFI_SUCCESS Successfully found the requested handle(s) and
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returns them in Buffer.
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**/
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EFI_STATUS
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EFIAPI
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MmLocateHandle (
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IN EFI_LOCATE_SEARCH_TYPE SearchType,
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IN EFI_GUID *Protocol OPTIONAL,
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IN VOID *SearchKey OPTIONAL,
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IN OUT UINTN *BufferSize,
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OUT EFI_HANDLE *Buffer
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);
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/**
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Return the first Protocol Interface that matches the Protocol GUID. If
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Registration is passed in return a Protocol Instance that was just add
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to the system. If Registration is NULL return the first Protocol Interface
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you find.
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@param Protocol The protocol to search for
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@param Registration Optional Registration Key returned from
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RegisterProtocolNotify()
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@param Interface Return the Protocol interface (instance).
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@retval EFI_SUCCESS If a valid Interface is returned
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@retval EFI_INVALID_PARAMETER Invalid parameter
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@retval EFI_NOT_FOUND Protocol interface not found
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**/
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EFI_STATUS
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EFIAPI
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MmLocateProtocol (
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IN EFI_GUID *Protocol,
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IN VOID *Registration OPTIONAL,
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OUT VOID **Interface
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);
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/**
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Manage MMI of a particular type.
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@param HandlerType Points to the handler type or NULL for root MMI handlers.
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@param Context Points to an optional context buffer.
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@param CommBuffer Points to the optional communication buffer.
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@param CommBufferSize Points to the size of the optional communication buffer.
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@retval EFI_SUCCESS Interrupt source was processed successfully but not quiesced.
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@retval EFI_INTERRUPT_PENDING One or more MMI sources could not be quiesced.
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@retval EFI_WARN_INTERRUPT_SOURCE_PENDING Interrupt source was not handled or quiesced.
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@retval EFI_WARN_INTERRUPT_SOURCE_QUIESCED Interrupt source was handled and quiesced.
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**/
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EFI_STATUS
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EFIAPI
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MmiManage (
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IN CONST EFI_GUID *HandlerType,
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IN CONST VOID *Context OPTIONAL,
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IN OUT VOID *CommBuffer OPTIONAL,
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IN OUT UINTN *CommBufferSize OPTIONAL
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);
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/**
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Registers a handler to execute within MM.
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@param Handler Handler service function pointer.
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@param HandlerType Points to the handler type or NULL for root MMI handlers.
|
|
@param DispatchHandle On return, contains a unique handle which can be used to later unregister the handler function.
|
|
|
|
@retval EFI_SUCCESS Handler register success.
|
|
@retval EFI_INVALID_PARAMETER Handler or DispatchHandle is NULL.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
MmiHandlerRegister (
|
|
IN EFI_MM_HANDLER_ENTRY_POINT Handler,
|
|
IN CONST EFI_GUID *HandlerType OPTIONAL,
|
|
OUT EFI_HANDLE *DispatchHandle
|
|
);
|
|
|
|
/**
|
|
Unregister a handler in MM.
|
|
|
|
@param DispatchHandle The handle that was specified when the handler was registered.
|
|
|
|
@retval EFI_SUCCESS Handler function was successfully unregistered.
|
|
@retval EFI_INVALID_PARAMETER DispatchHandle does not refer to a valid handle.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
MmiHandlerUnRegister (
|
|
IN EFI_HANDLE DispatchHandle
|
|
);
|
|
|
|
/**
|
|
This function is the main entry point for an MM handler dispatch
|
|
or communicate-based callback.
|
|
|
|
@param DispatchHandle The unique handle assigned to this handler by MmiHandlerRegister().
|
|
@param Context Points to an optional handler context which was specified when the handler was registered.
|
|
@param CommBuffer A pointer to a collection of data in memory that will
|
|
be conveyed from a non-MM environment into an MM environment.
|
|
@param CommBufferSize The size of the CommBuffer.
|
|
|
|
@return Status Code
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
MmDriverDispatchHandler (
|
|
IN EFI_HANDLE DispatchHandle,
|
|
IN CONST VOID *Context, OPTIONAL
|
|
IN OUT VOID *CommBuffer, OPTIONAL
|
|
IN OUT UINTN *CommBufferSize OPTIONAL
|
|
);
|
|
|
|
/**
|
|
This function is the main entry point for an MM handler dispatch
|
|
or communicate-based callback.
|
|
|
|
@param DispatchHandle The unique handle assigned to this handler by MmiHandlerRegister().
|
|
@param Context Points to an optional handler context which was specified when the handler was registered.
|
|
@param CommBuffer A pointer to a collection of data in memory that will
|
|
be conveyed from a non-MM environment into an MM environment.
|
|
@param CommBufferSize The size of the CommBuffer.
|
|
|
|
@return Status Code
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
MmExitBootServiceHandler (
|
|
IN EFI_HANDLE DispatchHandle,
|
|
IN CONST VOID *Context, OPTIONAL
|
|
IN OUT VOID *CommBuffer, OPTIONAL
|
|
IN OUT UINTN *CommBufferSize OPTIONAL
|
|
);
|
|
|
|
/**
|
|
This function is the main entry point for an MM handler dispatch
|
|
or communicate-based callback.
|
|
|
|
@param DispatchHandle The unique handle assigned to this handler by MmiHandlerRegister().
|
|
@param Context Points to an optional handler context which was specified when the handler was registered.
|
|
@param CommBuffer A pointer to a collection of data in memory that will
|
|
be conveyed from a non-MM environment into an MM environment.
|
|
@param CommBufferSize The size of the CommBuffer.
|
|
|
|
@return Status Code
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
MmReadyToBootHandler (
|
|
IN EFI_HANDLE DispatchHandle,
|
|
IN CONST VOID *Context, OPTIONAL
|
|
IN OUT VOID *CommBuffer, OPTIONAL
|
|
IN OUT UINTN *CommBufferSize OPTIONAL
|
|
);
|
|
|
|
/**
|
|
This function is the main entry point for an MM handler dispatch
|
|
or communicate-based callback.
|
|
|
|
@param DispatchHandle The unique handle assigned to this handler by MmiHandlerRegister().
|
|
@param Context Points to an optional handler context which was specified when the handler was registered.
|
|
@param CommBuffer A pointer to a collection of data in memory that will
|
|
be conveyed from a non-MM environment into an MM environment.
|
|
@param CommBufferSize The size of the CommBuffer.
|
|
|
|
@return Status Code
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
MmReadyToLockHandler (
|
|
IN EFI_HANDLE DispatchHandle,
|
|
IN CONST VOID *Context, OPTIONAL
|
|
IN OUT VOID *CommBuffer, OPTIONAL
|
|
IN OUT UINTN *CommBufferSize OPTIONAL
|
|
);
|
|
|
|
/**
|
|
This function is the main entry point for an MM handler dispatch
|
|
or communicate-based callback.
|
|
|
|
@param DispatchHandle The unique handle assigned to this handler by MmiHandlerRegister().
|
|
@param Context Points to an optional handler context which was specified when the handler was registered.
|
|
@param CommBuffer A pointer to a collection of data in memory that will
|
|
be conveyed from a non-MM environment into an MM environment.
|
|
@param CommBufferSize The size of the CommBuffer.
|
|
|
|
@return Status Code
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
MmEndOfDxeHandler (
|
|
IN EFI_HANDLE DispatchHandle,
|
|
IN CONST VOID *Context, OPTIONAL
|
|
IN OUT VOID *CommBuffer, OPTIONAL
|
|
IN OUT UINTN *CommBufferSize OPTIONAL
|
|
);
|
|
|
|
/**
|
|
Place holder function until all the MM System Table Service are available.
|
|
|
|
@param Arg1 Undefined
|
|
@param Arg2 Undefined
|
|
@param Arg3 Undefined
|
|
@param Arg4 Undefined
|
|
@param Arg5 Undefined
|
|
|
|
@return EFI_NOT_AVAILABLE_YET
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
MmEfiNotAvailableYetArg5 (
|
|
UINTN Arg1,
|
|
UINTN Arg2,
|
|
UINTN Arg3,
|
|
UINTN Arg4,
|
|
UINTN Arg5
|
|
);
|
|
|
|
//
|
|
//Functions used during debug builds
|
|
//
|
|
|
|
/**
|
|
Traverse the discovered list for any drivers that were discovered but not loaded
|
|
because the dependency expressions evaluated to false.
|
|
|
|
**/
|
|
VOID
|
|
MmDisplayDiscoveredNotDispatched (
|
|
VOID
|
|
);
|
|
|
|
/**
|
|
Add free MMRAM region for use by memory service.
|
|
|
|
@param MemBase Base address of memory region.
|
|
@param MemLength Length of the memory region.
|
|
@param Type Memory type.
|
|
@param Attributes Memory region state.
|
|
|
|
**/
|
|
VOID
|
|
MmAddMemoryRegion (
|
|
IN EFI_PHYSICAL_ADDRESS MemBase,
|
|
IN UINT64 MemLength,
|
|
IN EFI_MEMORY_TYPE Type,
|
|
IN UINT64 Attributes
|
|
);
|
|
|
|
/**
|
|
Finds the protocol entry for the requested protocol.
|
|
|
|
@param Protocol The ID of the protocol
|
|
@param Create Create a new entry if not found
|
|
|
|
@return Protocol entry
|
|
|
|
**/
|
|
PROTOCOL_ENTRY *
|
|
MmFindProtocolEntry (
|
|
IN EFI_GUID *Protocol,
|
|
IN BOOLEAN Create
|
|
);
|
|
|
|
/**
|
|
Signal event for every protocol in protocol entry.
|
|
|
|
@param Prot Protocol interface
|
|
|
|
**/
|
|
VOID
|
|
MmNotifyProtocol (
|
|
IN PROTOCOL_INTERFACE *Prot
|
|
);
|
|
|
|
/**
|
|
Finds the protocol instance for the requested handle and protocol.
|
|
Note: This function doesn't do parameters checking, it's caller's responsibility
|
|
to pass in valid parameters.
|
|
|
|
@param Handle The handle to search the protocol on
|
|
@param Protocol GUID of the protocol
|
|
@param Interface The interface for the protocol being searched
|
|
|
|
@return Protocol instance (NULL: Not found)
|
|
|
|
**/
|
|
PROTOCOL_INTERFACE *
|
|
MmFindProtocolInterface (
|
|
IN IHANDLE *Handle,
|
|
IN EFI_GUID *Protocol,
|
|
IN VOID *Interface
|
|
);
|
|
|
|
/**
|
|
Removes Protocol from the protocol list (but not the handle list).
|
|
|
|
@param Handle The handle to remove protocol on.
|
|
@param Protocol GUID of the protocol to be moved
|
|
@param Interface The interface of the protocol
|
|
|
|
@return Protocol Entry
|
|
|
|
**/
|
|
PROTOCOL_INTERFACE *
|
|
MmRemoveInterfaceFromProtocol (
|
|
IN IHANDLE *Handle,
|
|
IN EFI_GUID *Protocol,
|
|
IN VOID *Interface
|
|
);
|
|
|
|
/**
|
|
This is the POSTFIX version of the dependency evaluator. This code does
|
|
not need to handle Before or After, as it is not valid to call this
|
|
routine in this case. POSTFIX means all the math is done on top of the stack.
|
|
|
|
@param DriverEntry DriverEntry element to update.
|
|
|
|
@retval TRUE If driver is ready to run.
|
|
@retval FALSE If driver is not ready to run or some fatal error
|
|
was found.
|
|
|
|
**/
|
|
BOOLEAN
|
|
MmIsSchedulable (
|
|
IN EFI_MM_DRIVER_ENTRY *DriverEntry
|
|
);
|
|
|
|
/**
|
|
Dump MMRAM information.
|
|
|
|
**/
|
|
VOID
|
|
DumpMmramInfo (
|
|
VOID
|
|
);
|
|
|
|
extern UINTN mMmramRangeCount;
|
|
extern EFI_MMRAM_DESCRIPTOR *mMmramRanges;
|
|
extern EFI_SYSTEM_TABLE *mEfiSystemTable;
|
|
|
|
#endif
|