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https://github.com/CloverHackyColor/CloverBootloader.git
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411 lines
15 KiB
C
411 lines
15 KiB
C
/** @file
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Provides interface to advanced shell functionality for parsing both handle and protocol database.
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Copyright (c) 2010 - 2017, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef __HANDLE_PARSING_LIB__
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#define __HANDLE_PARSING_LIB__
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#include <Uefi.h>
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/**
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Function to add a new GUID/Name mapping.
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This cannot overwrite an existing mapping.
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@param[in] Guid The Guid
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@param[in] TheName The Guid's name
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@param[in] Lang RFC4646 language code list or NULL
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@retval EFI_SUCCESS The operation was sucessful
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@retval EFI_ACCESS_DENIED There was a duplicate
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@retval EFI_OUT_OF_RESOURCES A memory allocation failed
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**/
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EFI_STATUS
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EFIAPI
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AddNewGuidNameMapping(
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IN CONST EFI_GUID *Guid,
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IN CONST CHAR16 *TheName,
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IN CONST CHAR8 *Lang OPTIONAL
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);
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/**
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Function to get the name of a protocol or struct from it's GUID.
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If Guid is NULL, then ASSERT.
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@param[in] Guid The GUID to look for the name of.
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@param[in] Lang The language to use.
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@return The pointer to a string of the name. The caller
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is responsible to free this memory.
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**/
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CHAR16*
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EFIAPI
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GetStringNameFromGuid(
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IN CONST EFI_GUID *Guid,
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IN CONST CHAR8 *Lang OPTIONAL
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);
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/**
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Function to get the Guid for a protocol or struct based on it's string name.
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Do not free or modify the returned GUID.
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@param[in] Name The pointer to the string name.
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@param[in] Lang The pointer to the language code (string).
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@param[out] Guid The pointer to the pointer to the Guid.
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@retval EFI_SUCCESS The operation was successful.
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**/
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EFI_STATUS
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EFIAPI
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GetGuidFromStringName(
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IN CONST CHAR16 *Name,
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IN CONST CHAR8 *Lang OPTIONAL,
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OUT EFI_GUID **Guid
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);
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/**
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Function to dump protocol information from a handle.
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This function will return a allocated string buffer containing the
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information. The caller is responsible for freeing the memory.
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If Guid is NULL, ASSERT().
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If TheHandle is NULL, ASSERT().
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@param[in] TheHandle The handle to dump information from.
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@param[in] Guid The GUID of the protocol to dump.
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@param[in] Verbose TRUE for extra info. FALSE otherwise.
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@return The pointer to string.
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@retval NULL An error was encountered.
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**/
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CHAR16*
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EFIAPI
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GetProtocolInformationDump(
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IN CONST EFI_HANDLE TheHandle,
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IN CONST EFI_GUID *Guid,
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IN CONST BOOLEAN Verbose
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);
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/**
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Function to retrieve the driver name (if possible) from the ComponentName or
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ComponentName2 protocol.
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The string returned must be callee freed.
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@param[in] TheHandle The driver handle to get the name of.
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@param[in] Language The language to use.
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@retval NULL The name could not be found.
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@return A pointer to the string name. Do not de-allocate the memory.
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**/
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CONST CHAR16*
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EFIAPI
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GetStringNameFromHandle(
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IN CONST EFI_HANDLE TheHandle,
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IN CONST CHAR8 *Language
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);
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/**
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Get best support language for this driver.
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First base on the user input language to search, second base on the current
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platform used language to search, third get the first language from the
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support language list. The caller need to free the buffer of the best language.
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@param[in] SupportedLanguages The support languages for this driver.
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@param[in] InputLanguage The user input language.
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@param[in] Iso639Language Whether get language for ISO639.
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@return The best support language for this driver.
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**/
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CHAR8 *
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EFIAPI
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GetBestLanguageForDriver (
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IN CONST CHAR8 *SupportedLanguages,
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IN CONST CHAR8 *InputLanguage,
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IN BOOLEAN Iso639Language
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);
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#define HR_UNKNOWN 0
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#define HR_IMAGE_HANDLE BIT1
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#define HR_DRIVER_BINDING_HANDLE BIT2 // has driver binding
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#define HR_DEVICE_DRIVER BIT3 // device driver (hybrid?)
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#define HR_BUS_DRIVER BIT4 // a bus driver (hybrid?)
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#define HR_DRIVER_CONFIGURATION_HANDLE BIT5
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#define HR_DRIVER_DIAGNOSTICS_HANDLE BIT6
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#define HR_COMPONENT_NAME_HANDLE BIT7
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#define HR_DEVICE_HANDLE BIT8
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#define HR_PARENT_HANDLE BIT9
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#define HR_CONTROLLER_HANDLE BIT10
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#define HR_CHILD_HANDLE BIT11
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#define HR_VALID_MASK (BIT1|BIT2|BIT3|BIT4|BIT5|BIT6|BIT7|BIT8|BIT9|BIT10|BIT11)
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/**
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Gets all the related EFI_HANDLEs based on the mask supplied.
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This function will scan all EFI_HANDLES in the UEFI environment's handle database
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and return all the ones with the specified relationship (Mask) to the specified
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controller handle.
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If both DriverBindingHandle and ControllerHandle are NULL, then ASSERT.
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If MatchingHandleCount is NULL, then ASSERT.
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If MatchingHandleBuffer is not NULL upon a successful return, the memory must be
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caller freed.
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@param[in] DriverBindingHandle The handle with Driver Binding protocol on it.
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@param[in] ControllerHandle The handle with Device Path protocol on it.
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@param[in] Mask The mask of what relationship(s) is desired.
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@param[in] MatchingHandleCount The pointer to UINTN specifying number of HANDLES in
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MatchingHandleBuffer.
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@param[out] MatchingHandleBuffer On a successful return, a buffer of MatchingHandleCount
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EFI_HANDLEs with a terminating NULL EFI_HANDLE.
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@retval EFI_SUCCESS The operation was successful, and any related handles
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are in MatchingHandleBuffer.
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@retval EFI_NOT_FOUND No matching handles were found.
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@retval EFI_INVALID_PARAMETER A parameter was invalid or out of range.
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@sa ParseHandleDatabaseByRelationshipWithType
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**/
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EFI_STATUS
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EFIAPI
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ParseHandleDatabaseByRelationship (
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IN CONST EFI_HANDLE DriverBindingHandle OPTIONAL,
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IN CONST EFI_HANDLE ControllerHandle OPTIONAL,
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IN CONST UINTN Mask,
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IN UINTN *MatchingHandleCount,
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OUT EFI_HANDLE **MatchingHandleBuffer OPTIONAL
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);
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/**
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Gets all the related EFI_HANDLEs based on the mask supplied.
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This function scans all EFI_HANDLES in the UEFI environment's handle database
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and returns the ones with the specified relationship (Mask) to the specified
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controller handle.
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If both DriverBindingHandle and ControllerHandle are NULL, then ASSERT.
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If MatchingHandleCount is NULL, then ASSERT.
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If MatchingHandleBuffer is not NULL upon a successful return the memory must be
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caller freed.
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@param[in] DriverBindingHandle The handle with Driver Binding protocol on it.
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@param[in] ControllerHandle The handle with Device Path protocol on it.
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@param[in] MatchingHandleCount The pointer to UINTN that specifies the number of HANDLES in
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MatchingHandleBuffer.
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@param[out] MatchingHandleBuffer On a successful return, a buffer of MatchingHandleCount
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EFI_HANDLEs with a terminating NULL EFI_HANDLE.
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@param[out] HandleType An array of type information.
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@retval EFI_SUCCESS The operation was successful, and any related handles
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are in MatchingHandleBuffer.
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@retval EFI_NOT_FOUND No matching handles were found.
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@retval EFI_INVALID_PARAMETER A parameter was invalid or out of range.
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**/
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EFI_STATUS
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EFIAPI
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ParseHandleDatabaseByRelationshipWithType (
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IN CONST EFI_HANDLE DriverBindingHandle OPTIONAL,
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IN CONST EFI_HANDLE ControllerHandle OPTIONAL,
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IN UINTN *HandleCount,
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OUT EFI_HANDLE **HandleBuffer,
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OUT UINTN **HandleType
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);
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/**
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Gets handles for any parents of the passed in controller.
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@param[in] ControllerHandle The handle of the controller.
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@param[in] Count The pointer to the number of handles in
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MatchingHandleBuffer on return.
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@param[out] Buffer The buffer containing handles on a successful
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return.
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@retval EFI_SUCCESS The operation was successful.
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@sa ParseHandleDatabaseByRelationship
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**/
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#define PARSE_HANDLE_DATABASE_PARENTS(ControllerHandle, Count, Buffer) \
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ParseHandleDatabaseByRelationship(NULL, ControllerHandle, HR_PARENT_HANDLE, Count, Buffer)
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/**
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Gets handles for any UEFI drivers of the passed in controller.
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@param[in] ControllerHandle The handle of the controller.
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@param[in] Count The pointer to the number of handles in
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MatchingHandleBuffer on return.
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@param[out] Buffer The buffer containing handles on a successful
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return.
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@retval EFI_SUCCESS The operation was successful.
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@sa ParseHandleDatabaseByRelationship
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**/
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#define PARSE_HANDLE_DATABASE_UEFI_DRIVERS(ControllerHandle, Count, Buffer) \
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ParseHandleDatabaseByRelationship(NULL, ControllerHandle, HR_DRIVER_BINDING_HANDLE|HR_DEVICE_DRIVER, Count, Buffer)
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/**
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Gets handles for any children of the passed in controller by the passed in driver handle.
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@param[in] DriverHandle The handle of the driver.
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@param[in] ControllerHandle The handle of the controller.
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@param[in] Count The pointer to the number of handles in
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MatchingHandleBuffer on return.
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@param[out] Buffer The buffer containing handles on a successful
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return.
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@retval EFI_SUCCESS The operation was successful.
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@sa ParseHandleDatabaseByRelationship
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**/
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#define PARSE_HANDLE_DATABASE_MANAGED_CHILDREN(DriverHandle, ControllerHandle, Count, Buffer) \
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ParseHandleDatabaseByRelationship(DriverHandle, ControllerHandle, HR_CHILD_HANDLE|HR_DEVICE_HANDLE, Count, Buffer)
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/**
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Gets handles for any devices managed by the passed in driver.
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@param[in] DriverHandle The handle of the driver.
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@param[in] Count The pointer to the number of handles in
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MatchingHandleBuffer on return.
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@param[out] Buffer The buffer containing handles on a successful
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return.
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@retval EFI_SUCCESS The operation was successful.
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@sa ParseHandleDatabaseByRelationship
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**/
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#define PARSE_HANDLE_DATABASE_DEVICES(DriverHandle, Count, Buffer) \
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ParseHandleDatabaseByRelationship(DriverHandle, NULL, HR_CONTROLLER_HANDLE|HR_DEVICE_HANDLE, Count, Buffer)
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/**
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Gets handles for any child devices produced by the passed in driver.
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@param[in] DriverHandle The handle of the driver.
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@param[in] MatchingHandleCount The pointer to the number of handles in
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MatchingHandleBuffer on return.
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@param[out] MatchingHandleBuffer The buffer containing handles on a successful
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return.
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@retval EFI_SUCCESS The operation was successful.
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@sa ParseHandleDatabaseByRelationship
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**/
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EFI_STATUS
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EFIAPI
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ParseHandleDatabaseForChildDevices(
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IN CONST EFI_HANDLE DriverHandle,
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IN UINTN *MatchingHandleCount,
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OUT EFI_HANDLE **MatchingHandleBuffer OPTIONAL
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);
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/**
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Gets handles for any child controllers of the passed in controller.
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@param[in] ControllerHandle The handle of the "parent controller".
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@param[out] MatchingHandleCount The pointer to the number of handles in
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MatchingHandleBuffer on return.
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@param[out] MatchingHandleBuffer The buffer containing handles on a successful
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return.
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@retval EFI_SUCCESS The operation was successful.
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@sa ParseHandleDatabaseByRelationship
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**/
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EFI_STATUS
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EFIAPI
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ParseHandleDatabaseForChildControllers(
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IN CONST EFI_HANDLE ControllerHandle,
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OUT UINTN *MatchingHandleCount,
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OUT EFI_HANDLE **MatchingHandleBuffer OPTIONAL
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);
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/**
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Function to retrieve the human-friendly index of a given handle. If the handle
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does not have a index one will be automatically assigned. The index value is valid
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until the termination of the shell application.
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@param[in] TheHandle The handle to retrieve an index for.
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@retval 0 A memory allocation failed.
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@return The index of the handle.
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**/
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UINTN
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EFIAPI
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ConvertHandleToHandleIndex(
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IN CONST EFI_HANDLE TheHandle
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);
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/**
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Function to retrieve the EFI_HANDLE from the human-friendly index.
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@param[in] TheIndex The index to retrieve the EFI_HANDLE for.
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@retval NULL The index was invalid.
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@return The EFI_HANDLE that index represents.
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**/
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EFI_HANDLE
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EFIAPI
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ConvertHandleIndexToHandle(
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IN CONST UINTN TheIndex
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);
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/**
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Function to get all handles that support a given protocol or all handles.
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The caller is responsible to free this memory.
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@param[in] ProtocolGuid The guid of the protocol to get handles for. If NULL
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then the function will return all handles.
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@retval NULL A memory allocation failed.
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@return A NULL terminated list of handles.
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**/
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EFI_HANDLE*
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EFIAPI
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GetHandleListByProtocol (
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IN CONST EFI_GUID *ProtocolGuid OPTIONAL
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);
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/**
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Function to get all handles that support some protocols.
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The caller is responsible to free this memory.
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@param[in] ProtocolGuids A NULL terminated list of protocol GUIDs.
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@retval NULL A memory allocation failed.
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@retval NULL ProtocolGuids was NULL.
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@return A NULL terminated list of EFI_HANDLEs.
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**/
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EFI_HANDLE*
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EFIAPI
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GetHandleListByProtocolList (
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IN CONST EFI_GUID **ProtocolGuids
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);
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/**
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Return all supported GUIDs.
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@param[out] Guids The buffer to return all supported GUIDs.
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@param[in, out] Count On input, the count of GUIDs the buffer can hold,
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On output, the count of GUIDs to return.
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@retval EFI_INVALID_PARAMETER Count is NULL.
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@retval EFI_BUFFER_TOO_SMALL Buffer is not enough to hold all GUIDs.
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@retval EFI_SUCCESS GUIDs are returned successfully.
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**/
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EFI_STATUS
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EFIAPI
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GetAllMappingGuids (
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OUT EFI_GUID *Guids,
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IN OUT UINTN *Count
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);
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#endif // __HANDLE_PARSING_LIB__
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