diff options
Diffstat (limited to 'MdePkg/Include/Library/UefiLib.h')
| -rw-r--r-- | MdePkg/Include/Library/UefiLib.h | 781 |
1 files changed, 551 insertions, 230 deletions
diff --git a/MdePkg/Include/Library/UefiLib.h b/MdePkg/Include/Library/UefiLib.h index d91bcf83954f..fb39f5f0d487 100644 --- a/MdePkg/Include/Library/UefiLib.h +++ b/MdePkg/Include/Library/UefiLib.h @@ -2,30 +2,27 @@ Provides library functions for common UEFI operations. Only available to DXE and UEFI module types. - The UEFI Library provides functions and macros that simplify the development of - UEFI Drivers and UEFI Applications. These functions and macros help manage EFI - events, build simple locks utilizing EFI Task Priority Levels (TPLs), install - EFI Driver Model related protocols, manage Unicode string tables for UEFI Drivers, + The UEFI Library provides functions and macros that simplify the development of + UEFI Drivers and UEFI Applications. These functions and macros help manage EFI + events, build simple locks utilizing EFI Task Priority Levels (TPLs), install + EFI Driver Model related protocols, manage Unicode string tables for UEFI Drivers, and print messages on the console output and standard error devices. Note that a reserved macro named MDEPKG_NDEBUG is introduced for the intention of size reduction when compiler optimization is disabled. If MDEPKG_NDEBUG is defined, then debug and assert related macros wrapped by it are the NULL implementations. -Copyright (c) 2006 - 2017, Intel Corporation. All rights reserved.<BR> -This program and the accompanying materials are licensed and made available under -the terms and conditions of the BSD License that accompanies this distribution. -The full text of the license may be found at -http://opensource.org/licenses/bsd-license.php. - -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +Copyright (c) 2019, NVIDIA Corporation. All rights reserved. +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent **/ #ifndef __UEFI_LIB_H__ #define __UEFI_LIB_H__ +#include <IndustryStandard/Acpi.h> + #include <Protocol/DriverBinding.h> #include <Protocol/DriverConfiguration.h> #include <Protocol/ComponentName.h> @@ -33,6 +30,8 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. #include <Protocol/DriverDiagnostics.h> #include <Protocol/DriverDiagnostics2.h> #include <Protocol/GraphicsOutput.h> +#include <Protocol/DevicePath.h> +#include <Protocol/SimpleFileSystem.h> #include <Library/BaseLib.h> @@ -54,7 +53,7 @@ typedef enum { } EFI_LOCK_STATE; /// -/// EFI Lock +/// EFI Lock /// typedef struct { EFI_TPL Tpl; @@ -99,8 +98,8 @@ typedef struct { #define EFI_TIMER_PERIOD_SECONDS(Seconds) MultU64x32((UINT64)(Seconds), 10000000) /** - Macro that returns the a pointer to the next EFI_MEMORY_DESCRIPTOR in an array - returned from GetMemoryMap(). + Macro that returns the a pointer to the next EFI_MEMORY_DESCRIPTOR in an array + returned from GetMemoryMap(). @param MemoryDescriptor A pointer to an EFI_MEMORY_DESCRIPTOR. @@ -115,7 +114,7 @@ typedef struct { /** Retrieves a pointer to the system configuration table from the EFI System Table based on a specified GUID. - + This function searches the list of configuration tables stored in the EFI System Table for a table with a GUID that matches TableGuid. If a match is found, then a pointer to the configuration table is returned in Table, and EFI_SUCCESS is returned. If a matching GUID @@ -132,7 +131,7 @@ typedef struct { **/ EFI_STATUS EFIAPI -EfiGetSystemConfigurationTable ( +EfiGetSystemConfigurationTable ( IN EFI_GUID *TableGuid, OUT VOID **Table ); @@ -146,7 +145,7 @@ EfiGetSystemConfigurationTable ( no instances of ProtocolGuid in the handle database at the time this function is invoked, then the notification function is still executed one time. In addition, every time a protocol of type ProtocolGuid instance is installed or reinstalled, the notification function is also - executed. This function returns the notification event that was created. + executed. This function returns the notification event that was created. If ProtocolGuid is NULL, then ASSERT(). If NotifyTpl is not a legal TPL value, then ASSERT(). If NotifyFunction is NULL, then ASSERT(). @@ -159,7 +158,7 @@ EfiGetSystemConfigurationTable ( @param NotifyContext The context parameter to pass to NotifyFunction. @param Registration A pointer to a memory location to receive the registration value. This value is passed to LocateHandle() to obtain new handles that - have been added that support the ProtocolGuid-specified protocol. + have been added that support the ProtocolGuid-specified protocol. @return The notification event that was created. @@ -179,7 +178,7 @@ EfiCreateProtocolNotifyEvent( This function creates an event using NotifyTpl, NoifyFunction, and NotifyContext. This event is signaled with EfiNamedEventSignal(). This provides the ability for one or more - listeners on the same event named by the GUID specified by Name. + listeners on the same event named by the GUID specified by Name. If Name is NULL, then ASSERT(). If NotifyTpl is not a legal TPL value, then ASSERT(). If NotifyFunction is NULL, then ASSERT(). @@ -187,7 +186,7 @@ EfiCreateProtocolNotifyEvent( @param Name Supplies GUID name of the event. @param NotifyTpl Supplies the task priority level of the event notifications. @param NotifyFunction Supplies the function to notify when the event is signaled. - @param NotifyContext The context parameter to pass to NotifyFunction. + @param NotifyContext The context parameter to pass to NotifyFunction. @param Registration A pointer to a memory location to receive the registration value. @retval EFI_SUCCESS A named event was created. @@ -257,13 +256,13 @@ EfiEventEmptyFunction ( IN VOID *Context ); -/** +/** Returns the current TPL. - This function returns the current TPL. There is no EFI service to directly - retrieve the current TPL. Instead, the RaiseTPL() function is used to raise - the TPL to TPL_HIGH_LEVEL. This will return the current TPL. The TPL level - can then immediately be restored back to the current TPL level with a call + This function returns the current TPL. There is no EFI service to directly + retrieve the current TPL. Instead, the RaiseTPL() function is used to raise + the TPL to TPL_HIGH_LEVEL. This will return the current TPL. The TPL level + can then immediately be restored back to the current TPL level with a call to RestoreTPL(). @return The current TPL. @@ -278,8 +277,8 @@ EfiGetCurrentTpl ( /** Initializes a basic mutual exclusion lock. - This function initializes a basic mutual exclusion lock to the released state - and returns the lock. Each lock provides mutual exclusion access at its task + This function initializes a basic mutual exclusion lock to the released state + and returns the lock. Each lock provides mutual exclusion access at its task priority level. Since there is no preemption or multiprocessor support in EFI, acquiring the lock only consists of raising to the locks TPL. If Lock is NULL, then ASSERT(). @@ -301,8 +300,8 @@ EfiInitializeLock ( /** Initializes a basic mutual exclusion lock. - This macro initializes the contents of a basic mutual exclusion lock to the - released state. Each lock provides mutual exclusion access at its task + This macro initializes the contents of a basic mutual exclusion lock to the + released state. Each lock provides mutual exclusion access at its task priority level. Since there is no preemption or multiprocessor support in EFI, acquiring the lock only consists of raising to the locks TPL. @@ -318,10 +317,10 @@ EfiInitializeLock ( /** Macro that calls DebugAssert() if an EFI_LOCK structure is not in the locked state. - If MDEPKG_NDEBUG is not defined and the DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED - bit of PcdDebugProperyMask is set, then this macro evaluates the EFI_LOCK + If MDEPKG_NDEBUG is not defined and the DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED + bit of PcdDebugProperyMask is set, then this macro evaluates the EFI_LOCK structure specified by Lock. If Lock is not in the locked state, then - DebugAssert() is called passing in the source filename, source line number, + DebugAssert() is called passing in the source filename, source line number, and Lock. If Lock is NULL, then ASSERT(). @@ -329,7 +328,7 @@ EfiInitializeLock ( @param LockParameter A pointer to the lock to acquire. **/ -#if !defined(MDEPKG_NDEBUG) +#if !defined(MDEPKG_NDEBUG) #define ASSERT_LOCKED(LockParameter) \ do { \ if (DebugAssertEnabled ()) { \ @@ -347,8 +346,8 @@ EfiInitializeLock ( /** Acquires ownership of a lock. - This function raises the system's current task priority level to the task - priority level of the mutual exclusion lock. Then, it places the lock in the + This function raises the system's current task priority level to the task + priority level of the mutual exclusion lock. Then, it places the lock in the acquired state. If Lock is NULL, then ASSERT(). If Lock is not initialized, then ASSERT(). @@ -388,8 +387,8 @@ EfiAcquireLockOrFail ( /** Releases ownership of a lock. - This function transitions a mutual exclusion lock from the acquired state to - the released state, and restores the system's task priority level to its + This function transitions a mutual exclusion lock from the acquired state to + the released state, and restores the system's task priority level to its previous level. If Lock is NULL, then ASSERT(). If Lock is not initialized, then ASSERT(). @@ -411,7 +410,7 @@ EfiReleaseLock ( currently managing the controller specified by ControllerHandle. This test is performed by evaluating if the the protocol specified by ProtocolGuid is present on ControllerHandle and is was opened by DriverBindingHandle with an - attribute of EFI_OPEN_PROTOCOL_BY_DRIVER. + attribute of EFI_OPEN_PROTOCOL_BY_DRIVER. If ProtocolGuid is NULL, then ASSERT(). @param ControllerHandle A handle for a controller to test. @@ -444,10 +443,10 @@ EfiTestManagedDevice ( ChildHandle with an attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER. If ProtocolGuid is NULL, then ASSERT(). - @param ControllerHandle A handle for a (parent) controller to test. + @param ControllerHandle A handle for a (parent) controller to test. @param ChildHandle A child handle to test. @param ProtocolGuid Supplies the protocol that the child controller - opens on its parent controller. + opens on its parent controller. @retval EFI_SUCCESS ChildHandle is a child of the ControllerHandle. @retval EFI_UNSUPPORTED ChildHandle is not a child of the @@ -463,32 +462,50 @@ EfiTestChildHandle ( ); /** + This function checks the supported languages list for a target language, + This only supports RFC 4646 Languages. + + @param SupportedLanguages The supported languages + @param TargetLanguage The target language + + @retval Returns EFI_SUCCESS if the language is supported, + EFI_UNSUPPORTED otherwise + +**/ +EFI_STATUS +EFIAPI +IsLanguageSupported ( + IN CONST CHAR8 *SupportedLanguages, + IN CONST CHAR8 *TargetLanguage + ); + +/** This function looks up a Unicode string in UnicodeStringTable. If Language is a member of SupportedLanguages and a Unicode string is found in UnicodeStringTable that matches the language code specified by Language, then it is returned in UnicodeString. - @param Language A pointer to the ISO 639-2 language code for the + @param Language A pointer to the ISO 639-2 language code for the Unicode string to look up and return. - @param SupportedLanguages A pointer to the set of ISO 639-2 language codes - that the Unicode string table supports. Language + @param SupportedLanguages A pointer to the set of ISO 639-2 language codes + that the Unicode string table supports. Language must be a member of this set. @param UnicodeStringTable A pointer to the table of Unicode strings. @param UnicodeString A pointer to the Unicode string from UnicodeStringTable that matches the language specified by Language. - @retval EFI_SUCCESS The Unicode string that matches the language + @retval EFI_SUCCESS The Unicode string that matches the language specified by Language was found - in the table of Unicode strings UnicodeStringTable, + in the table of Unicode strings UnicodeStringTable, and it was returned in UnicodeString. @retval EFI_INVALID_PARAMETER Language is NULL. @retval EFI_INVALID_PARAMETER UnicodeString is NULL. @retval EFI_UNSUPPORTED SupportedLanguages is NULL. @retval EFI_UNSUPPORTED UnicodeStringTable is NULL. - @retval EFI_UNSUPPORTED The language specified by Language is not a + @retval EFI_UNSUPPORTED The language specified by Language is not a member of SupportedLanguages. - @retval EFI_UNSUPPORTED The language specified by Language is not + @retval EFI_UNSUPPORTED The language specified by Language is not supported by UnicodeStringTable. **/ @@ -513,7 +530,7 @@ LookupUnicodeString ( return. If Iso639Language is TRUE, then this ASCII string is not assumed to be Null-terminated, and only the first three characters are used. If Iso639Language is FALSE, then this ASCII - string must be Null-terminated. + string must be Null-terminated. @param SupportedLanguages A pointer to a Null-terminated ASCII string that contains a set of ISO 639-2 or RFC 4646 language codes that the Unicode string table supports. Language must be a member of this set. @@ -533,11 +550,11 @@ LookupUnicodeString ( @retval EFI_SUCCESS The Unicode string that matches the language specified by Language was found in the table of Unicode strings UnicodeStringTable, and it was returned in UnicodeString. - @retval EFI_INVALID_PARAMETER Language is NULL. - @retval EFI_INVALID_PARAMETER UnicodeString is NULL. - @retval EFI_UNSUPPORTED SupportedLanguages is NULL. - @retval EFI_UNSUPPORTED UnicodeStringTable is NULL. - @retval EFI_UNSUPPORTED The language specified by Language is not a member of SupportedLanguages. + @retval EFI_INVALID_PARAMETER Language is NULL. + @retval EFI_INVALID_PARAMETER UnicodeString is NULL. + @retval EFI_UNSUPPORTED SupportedLanguages is NULL. + @retval EFI_UNSUPPORTED UnicodeStringTable is NULL. + @retval EFI_UNSUPPORTED The language specified by Language is not a member of SupportedLanguages. @retval EFI_UNSUPPORTED The language specified by Language is not supported by UnicodeStringTable. **/ @@ -554,13 +571,13 @@ LookupUnicodeString2 ( /** This function adds a Unicode string to UnicodeStringTable. - If Language is a member of SupportedLanguages then UnicodeString is added to - UnicodeStringTable. New buffers are allocated for both Language and - UnicodeString. The contents of Language and UnicodeString are copied into - these new buffers. These buffers are automatically freed when + If Language is a member of SupportedLanguages then UnicodeString is added to + UnicodeStringTable. New buffers are allocated for both Language and + UnicodeString. The contents of Language and UnicodeString are copied into + these new buffers. These buffers are automatically freed when FreeUnicodeStringTable() is called. - @param Language A pointer to the ISO 639-2 language code for the Unicode + @param Language A pointer to the ISO 639-2 language code for the Unicode string to add. @param SupportedLanguages A pointer to the set of ISO 639-2 language codes that the Unicode string table supports. @@ -568,29 +585,29 @@ LookupUnicodeString2 ( @param UnicodeStringTable A pointer to the table of Unicode strings. @param UnicodeString A pointer to the Unicode string to add. - @retval EFI_SUCCESS The Unicode string that matches the language - specified by Language was found in the table of - Unicode strings UnicodeStringTable, and it was + @retval EFI_SUCCESS The Unicode string that matches the language + specified by Language was found in the table of + Unicode strings UnicodeStringTable, and it was returned in UnicodeString. @retval EFI_INVALID_PARAMETER Language is NULL. @retval EFI_INVALID_PARAMETER UnicodeString is NULL. @retval EFI_INVALID_PARAMETER UnicodeString is an empty string. @retval EFI_UNSUPPORTED SupportedLanguages is NULL. - @retval EFI_ALREADY_STARTED A Unicode string with language Language is + @retval EFI_ALREADY_STARTED A Unicode string with language Language is already present in UnicodeStringTable. - @retval EFI_OUT_OF_RESOURCES There is not enough memory to add another + @retval EFI_OUT_OF_RESOURCES There is not enough memory to add another Unicode string to UnicodeStringTable. - @retval EFI_UNSUPPORTED The language specified by Language is not a + @retval EFI_UNSUPPORTED The language specified by Language is not a member of SupportedLanguages. **/ EFI_STATUS EFIAPI AddUnicodeString ( - IN CONST CHAR8 *Language, - IN CONST CHAR8 *SupportedLanguages, - IN EFI_UNICODE_STRING_TABLE **UnicodeStringTable, - IN CONST CHAR16 *UnicodeString + IN CONST CHAR8 *Language, + IN CONST CHAR8 *SupportedLanguages, + IN OUT EFI_UNICODE_STRING_TABLE **UnicodeStringTable, + IN CONST CHAR16 *UnicodeString ); /** @@ -617,39 +634,39 @@ AddUnicodeString ( RFC 4646 language codes separated by ';'. @param UnicodeStringTable A pointer to the table of Unicode strings. Type EFI_UNICODE_STRING_TABLE is defined in "Related Definitions". - @param UnicodeString A pointer to the Unicode string to add. + @param UnicodeString A pointer to the Unicode string to add. @param Iso639Language Specifies the supported language code format. If it is TRUE, then Language and SupportedLanguages follow ISO 639-2 language code format. Otherwise, they follow RFC 4646 language code format. @retval EFI_SUCCESS The Unicode string that matches the language specified by Language was found in the table of Unicode strings UnicodeStringTable, - and it was returned in UnicodeString. - @retval EFI_INVALID_PARAMETER Language is NULL. - @retval EFI_INVALID_PARAMETER UnicodeString is NULL. - @retval EFI_INVALID_PARAMETER UnicodeString is an empty string. - @retval EFI_UNSUPPORTED SupportedLanguages is NULL. + and it was returned in UnicodeString. + @retval EFI_INVALID_PARAMETER Language is NULL. + @retval EFI_INVALID_PARAMETER UnicodeString is NULL. + @retval EFI_INVALID_PARAMETER UnicodeString is an empty string. + @retval EFI_UNSUPPORTED SupportedLanguages is NULL. @retval EFI_ALREADY_STARTED A Unicode string with language Language is already present in - UnicodeStringTable. - @retval EFI_OUT_OF_RESOURCES There is not enough memory to add another Unicode string UnicodeStringTable. + UnicodeStringTable. + @retval EFI_OUT_OF_RESOURCES There is not enough memory to add another Unicode string UnicodeStringTable. @retval EFI_UNSUPPORTED The language specified by Language is not a member of SupportedLanguages. **/ EFI_STATUS EFIAPI AddUnicodeString2 ( - IN CONST CHAR8 *Language, - IN CONST CHAR8 *SupportedLanguages, - IN EFI_UNICODE_STRING_TABLE **UnicodeStringTable, - IN CONST CHAR16 *UnicodeString, - IN BOOLEAN Iso639Language + IN CONST CHAR8 *Language, + IN CONST CHAR8 *SupportedLanguages, + IN OUT EFI_UNICODE_STRING_TABLE **UnicodeStringTable, + IN CONST CHAR16 *UnicodeString, + IN BOOLEAN Iso639Language ); /** This function frees the table of Unicode strings in UnicodeStringTable. If UnicodeStringTable is NULL, then EFI_SUCCESS is returned. - Otherwise, each language code, and each Unicode string in the Unicode string + Otherwise, each language code, and each Unicode string in the Unicode string table are freed, and EFI_SUCCESS is returned. @param UnicodeStringTable A pointer to the table of Unicode strings. @@ -668,8 +685,8 @@ FreeUnicodeStringTable ( /** [ATTENTION] This function will be deprecated for security reason. - Returns a pointer to an allocated buffer that contains the contents of a - variable retrieved through the UEFI Runtime Service GetVariable(). The + Returns a pointer to an allocated buffer that contains the contents of a + variable retrieved through the UEFI Runtime Service GetVariable(). The returned buffer is allocated using AllocatePool(). The caller is responsible for freeing this buffer with FreePool(). @@ -694,10 +711,10 @@ GetVariable ( /** [ATTENTION] This function will be deprecated for security reason. - Returns a pointer to an allocated buffer that contains the contents of a - variable retrieved through the UEFI Runtime Service GetVariable(). This + Returns a pointer to an allocated buffer that contains the contents of a + variable retrieved through the UEFI Runtime Service GetVariable(). This function always uses the EFI_GLOBAL_VARIABLE GUID to retrieve variables. - The returned buffer is allocated using AllocatePool(). The caller is + The returned buffer is allocated using AllocatePool(). The caller is responsible for freeing this buffer with FreePool(). If Name is NULL, then ASSERT(). @@ -718,8 +735,8 @@ GetEfiGlobalVariable ( /** - Returns the status whether get the variable success. The function retrieves - variable through the UEFI Runtime Service GetVariable(). The + Returns the status whether get the variable success. The function retrieves + variable through the UEFI Runtime Service GetVariable(). The returned buffer is allocated using AllocatePool(). The caller is responsible for freeing this buffer with FreePool(). @@ -732,9 +749,9 @@ GetEfiGlobalVariable ( @param[out] Value The buffer point saved the variable info. @param[out] Size The buffer size of the variable. - @return EFI_OUT_OF_RESOURCES Allocate buffer failed. - @return EFI_SUCCESS Find the specified variable. - @return Others Errors Return errors from call to gRT->GetVariable. + @retval EFI_OUT_OF_RESOURCES Allocate buffer failed. + @retval EFI_SUCCESS Find the specified variable. + @retval Others Errors Return errors from call to gRT->GetVariable. **/ EFI_STATUS @@ -747,10 +764,10 @@ GetVariable2 ( ); /** - Returns a pointer to an allocated buffer that contains the contents of a - variable retrieved through the UEFI Runtime Service GetVariable(). This + Returns a pointer to an allocated buffer that contains the contents of a + variable retrieved through the UEFI Runtime Service GetVariable(). This function always uses the EFI_GLOBAL_VARIABLE GUID to retrieve variables. - The returned buffer is allocated using AllocatePool(). The caller is + The returned buffer is allocated using AllocatePool(). The caller is responsible for freeing this buffer with FreePool(). If Name is NULL, then ASSERT(). @@ -760,9 +777,9 @@ GetVariable2 ( @param[out] Value The buffer point saved the variable info. @param[out] Size The buffer size of the variable. - @return EFI_OUT_OF_RESOURCES Allocate buffer failed. - @return EFI_SUCCESS Find the specified variable. - @return Others Errors Return errors from call to gRT->GetVariable. + @retval EFI_OUT_OF_RESOURCES Allocate buffer failed. + @retval EFI_SUCCESS Find the specified variable. + @retval Others Errors Return errors from call to gRT->GetVariable. **/ EFI_STATUS @@ -773,77 +790,110 @@ GetEfiGlobalVariable2 ( OUT UINTN *Size OPTIONAL ); +/** Return the attributes of the variable. + + Returns the status whether get the variable success. The function retrieves + variable through the UEFI Runtime Service GetVariable(). The + returned buffer is allocated using AllocatePool(). The caller is responsible + for freeing this buffer with FreePool(). The attributes are returned if + the caller provides a valid Attribute parameter. + + If Name is NULL, then ASSERT(). + If Guid is NULL, then ASSERT(). + If Value is NULL, then ASSERT(). + + @param[in] Name The pointer to a Null-terminated Unicode string. + @param[in] Guid The pointer to an EFI_GUID structure + @param[out] Value The buffer point saved the variable info. + @param[out] Size The buffer size of the variable. + @param[out] Attr The pointer to the variable attributes as found in var store + + @retval EFI_OUT_OF_RESOURCES Allocate buffer failed. + @retval EFI_SUCCESS Find the specified variable. + @retval Others Errors Return errors from call to gRT->GetVariable. + +**/ +EFI_STATUS +EFIAPI +GetVariable3( + IN CONST CHAR16 *Name, + IN CONST EFI_GUID *Guid, + OUT VOID **Value, + OUT UINTN *Size OPTIONAL, + OUT UINT32 *Attr OPTIONAL + ); + /** - Returns a pointer to an allocated buffer that contains the best matching language - from a set of supported languages. - - This function supports both ISO 639-2 and RFC 4646 language codes, but language - code types may not be mixed in a single call to this function. The language - code returned is allocated using AllocatePool(). The caller is responsible for + Returns a pointer to an allocated buffer that contains the best matching language + from a set of supported languages. + + This function supports both ISO 639-2 and RFC 4646 language codes, but language + code types may not be mixed in a single call to this function. The language + code returned is allocated using AllocatePool(). The caller is responsible for freeing the allocated buffer using FreePool(). This function supports a variable - argument list that allows the caller to pass in a prioritized list of language - codes to test against all the language codes in SupportedLanguages. + argument list that allows the caller to pass in a prioritized list of language + codes to test against all the language codes in SupportedLanguages. If SupportedLanguages is NULL, then ASSERT(). @param[in] SupportedLanguages A pointer to a Null-terminated ASCII string that - contains a set of language codes in the format + contains a set of language codes in the format specified by Iso639Language. - @param[in] Iso639Language If TRUE, then all language codes are assumed to be - in ISO 639-2 format. If FALSE, then all language + @param[in] Iso639Language If not zero, then all language codes are assumed to be + in ISO 639-2 format. If zero, then all language codes are assumed to be in RFC 4646 language format - @param[in] ... A variable argument list that contains pointers to + @param[in] ... A variable argument list that contains pointers to Null-terminated ASCII strings that contain one or more language codes in the format specified by Iso639Language. The first language code from each of these language code lists is used to determine if it is an exact or - close match to any of the language codes in + close match to any of the language codes in SupportedLanguages. Close matches only apply to RFC 4646 language codes, and the matching algorithm from RFC 4647 - is used to determine if a close match is present. If + is used to determine if a close match is present. If an exact or close match is found, then the matching language code from SupportedLanguages is returned. If no matches are found, then the next variable argument - parameter is evaluated. The variable argument list + parameter is evaluated. The variable argument list is terminated by a NULL. @retval NULL The best matching language could not be found in SupportedLanguages. - @retval NULL There are not enough resources available to return the best matching + @retval NULL There are not enough resources available to return the best matching language. - @retval Other A pointer to a Null-terminated ASCII string that is the best matching + @retval Other A pointer to a Null-terminated ASCII string that is the best matching language in SupportedLanguages. **/ CHAR8 * EFIAPI GetBestLanguage ( - IN CONST CHAR8 *SupportedLanguages, - IN BOOLEAN Iso639Language, + IN CONST CHAR8 *SupportedLanguages, + IN UINTN Iso639Language, ... ); /** - Draws a dialog box to the console output device specified by + Draws a dialog box to the console output device specified by ConOut defined in the EFI_SYSTEM_TABLE and waits for a keystroke - from the console input device specified by ConIn defined in the + from the console input device specified by ConIn defined in the EFI_SYSTEM_TABLE. If there are no strings in the variable argument list, then ASSERT(). If all the strings in the variable argument list are empty, then ASSERT(). @param[in] Attribute Specifies the foreground and background color of the popup. - @param[out] Key A pointer to the EFI_KEY value of the key that was + @param[out] Key A pointer to the EFI_KEY value of the key that was pressed. This is an optional parameter that may be NULL. If it is NULL then no wait for a keypress will be performed. @param[in] ... The variable argument list that contains pointers to Null- - terminated Unicode strings to display in the dialog box. + terminated Unicode strings to display in the dialog box. The variable argument list is terminated by a NULL. **/ VOID EFIAPI CreatePopUp ( - IN UINTN Attribute, + IN UINTN Attribute, OUT EFI_INPUT_KEY *Key, OPTIONAL ... ); @@ -875,13 +925,13 @@ GetGlyphWidth ( of the Unicode characters in String can not be determined, then 0 is returned. The display width of String can be computed by summing the display widths of each Unicode character in String. Unicode characters that are narrow glyphs have a width of 1, and Unicode - characters that are width glyphs have a width of 2. + characters that are width glyphs have a width of 2. If String is not aligned on a 16-bit boundary, then ASSERT(). @param String A pointer to a Null-terminated Unicode string. @return The display length of the Null-terminated Unicode string specified by String. - + **/ UINTN EFIAPI @@ -894,7 +944,7 @@ UnicodeStringDisplayLength ( // /** Create, Signal, and Close the Ready to Boot event using EfiSignalEventReadyToBoot(). - + This function abstracts the signaling of the Ready to Boot Event. The Framework moved from a proprietary to UEFI 2.0 based mechanism. This library abstracts the caller from how this event is created to prevent to code form having to change with the @@ -947,8 +997,8 @@ EfiCreateEventLegacyBoot ( /** Create an EFI event in the Legacy Boot Event Group and allows - the caller to specify a notification function. - + the caller to specify a notification function. + This function abstracts the creation of the Legacy Boot Event. The Framework moved from a proprietary to UEFI 2.0 based mechanism. This library abstracts the caller from how this event is created to prevent @@ -977,10 +1027,10 @@ EfiCreateEventLegacyBootEx ( Create an EFI event in the Ready To Boot Event Group. Prior to UEFI 2.0 this was done via a non-standard UEFI extension, and this library - abstracts the implementation mechanism of this event from the caller. - This function abstracts the creation of the Ready to Boot Event. The Framework - moved from a proprietary to UEFI 2.0-based mechanism. This library abstracts - the caller from how this event is created to prevent the code form having to + abstracts the implementation mechanism of this event from the caller. + This function abstracts the creation of the Ready to Boot Event. The Framework + moved from a proprietary to UEFI 2.0-based mechanism. This library abstracts + the caller from how this event is created to prevent the code form having to change with the version of the specification supported. If ReadyToBootEvent is NULL, then ASSERT(). @@ -998,8 +1048,8 @@ EfiCreateEventReadyToBoot ( /** Create an EFI event in the Ready To Boot Event Group and allows - the caller to specify a notification function. - + the caller to specify a notification function. + This function abstracts the creation of the Ready to Boot Event. The Framework moved from a proprietary to UEFI 2.0 based mechanism. This library abstracts the caller from how this event is created to prevent @@ -1026,16 +1076,16 @@ EfiCreateEventReadyToBootEx ( /** Initialize a Firmware Volume (FV) Media Device Path node. - - The Framework FwVol Device Path changed to conform to the UEFI 2.0 specification. - This library function abstracts initializing a device path node. - Initialize the MEDIA_FW_VOL_FILEPATH_DEVICE_PATH data structure. This device - path changed in the DXE CIS version 0.92 in a non back ward compatible way to - not conflict with the UEFI 2.0 specification. This function abstracts the + + The Framework FwVol Device Path changed to conform to the UEFI 2.0 specification. + This library function abstracts initializing a device path node. + Initialize the MEDIA_FW_VOL_FILEPATH_DEVICE_PATH data structure. This device + path changed in the DXE CIS version 0.92 in a non back ward compatible way to + not conflict with the UEFI 2.0 specification. This function abstracts the differences from the caller. If FvDevicePathNode is NULL, then ASSERT(). If NameGuid is NULL, then ASSERT(). - + @param FvDevicePathNode The pointer to a FV device path node to initialize @param NameGuid FV file name to use in FvDevicePathNode @@ -1048,14 +1098,14 @@ EfiInitializeFwVolDevicepathNode ( ); /** - Check to see if the Firmware Volume (FV) Media Device Path is valid - - The Framework FwVol Device Path changed to conform to the UEFI 2.0 specification. + Check to see if the Firmware Volume (FV) Media Device Path is valid + + The Framework FwVol Device Path changed to conform to the UEFI 2.0 specification. This library function abstracts validating a device path node. - Check the MEDIA_FW_VOL_FILEPATH_DEVICE_PATH data structure to see if it's valid. - If it is valid, then return the GUID file name from the device path node. Otherwise, - return NULL. This device path changed in the DXE CIS version 0.92 in a non backward - compatible way to not conflict with the UEFI 2.0 specification. This function abstracts + Check the MEDIA_FW_VOL_FILEPATH_DEVICE_PATH data structure to see if it's valid. + If it is valid, then return the GUID file name from the device path node. Otherwise, + return NULL. This device path changed in the DXE CIS version 0.92 in a non backward + compatible way to not conflict with the UEFI 2.0 specification. This function abstracts the differences from the caller. If FvDevicePathNode is NULL, then ASSERT(). @@ -1071,23 +1121,23 @@ EfiGetNameGuidFromFwVolDevicePathNode ( IN CONST MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FvDevicePathNode ); -/** - Prints a formatted Unicode string to the console output device specified by +/** + Prints a formatted Unicode string to the console output device specified by ConOut defined in the EFI_SYSTEM_TABLE. - This function prints a formatted Unicode string to the console output device - specified by ConOut in EFI_SYSTEM_TABLE and returns the number of Unicode - characters that printed to ConOut. If the length of the formatted Unicode - string is greater than PcdUefiLibMaxPrintBufferSize, then only the first + This function prints a formatted Unicode string to the console output device + specified by ConOut in EFI_SYSTEM_TABLE and returns the number of Unicode + characters that printed to ConOut. If the length of the formatted Unicode + string is greater than PcdUefiLibMaxPrintBufferSize, then only the first PcdUefiLibMaxPrintBufferSize characters are sent to ConOut. If Format is NULL, then ASSERT(). If Format is not aligned on a 16-bit boundary, then ASSERT(). If gST->ConOut is NULL, then ASSERT(). @param Format A null-terminated Unicode format string. - @param ... The variable argument list whose contents are accessed based + @param ... The variable argument list whose contents are accessed based on the format string specified by Format. - + @return Number of Unicode characters printed to ConOut. **/ @@ -1098,23 +1148,23 @@ Print ( ... ); -/** - Prints a formatted Unicode string to the console output device specified by +/** + Prints a formatted Unicode string to the console output device specified by StdErr defined in the EFI_SYSTEM_TABLE. - This function prints a formatted Unicode string to the console output device - specified by StdErr in EFI_SYSTEM_TABLE and returns the number of Unicode - characters that printed to StdErr. If the length of the formatted Unicode - string is greater than PcdUefiLibMaxPrintBufferSize, then only the first + This function prints a formatted Unicode string to the console output device + specified by StdErr in EFI_SYSTEM_TABLE and returns the number of Unicode + characters that printed to StdErr. If the length of the formatted Unicode + string is greater than PcdUefiLibMaxPrintBufferSize, then only the first PcdUefiLibMaxPrintBufferSize characters are sent to StdErr. If Format is NULL, then ASSERT(). If Format is not aligned on a 16-bit boundary, then ASSERT(). If gST->StdErr is NULL, then ASSERT(). @param Format A null-terminated Unicode format string. - @param ... The variable argument list whose contents are accessed based + @param ... The variable argument list whose contents are accessed based on the format string specified by Format. - + @return Number of Unicode characters printed to StdErr. **/ @@ -1125,22 +1175,22 @@ ErrorPrint ( ... ); -/** - Prints a formatted ASCII string to the console output device specified by +/** + Prints a formatted ASCII string to the console output device specified by ConOut defined in the EFI_SYSTEM_TABLE. - This function prints a formatted ASCII string to the console output device - specified by ConOut in EFI_SYSTEM_TABLE and returns the number of ASCII - characters that printed to ConOut. If the length of the formatted ASCII - string is greater than PcdUefiLibMaxPrintBufferSize, then only the first + This function prints a formatted ASCII string to the console output device + specified by ConOut in EFI_SYSTEM_TABLE and returns the number of ASCII + characters that printed to ConOut. If the length of the formatted ASCII + string is greater than PcdUefiLibMaxPrintBufferSize, then only the first PcdUefiLibMaxPrintBufferSize characters are sent to ConOut. If Format is NULL, then ASSERT(). If gST->ConOut is NULL, then ASSERT(). @param Format A null-terminated ASCII format string. - @param ... The variable argument list whose contents are accessed based + @param ... The variable argument list whose contents are accessed based on the format string specified by Format. - + @return Number of ASCII characters printed to ConOut. **/ @@ -1151,22 +1201,22 @@ AsciiPrint ( ... ); -/** - Prints a formatted ASCII string to the console output device specified by +/** + Prints a formatted ASCII string to the console output device specified by StdErr defined in the EFI_SYSTEM_TABLE. - This function prints a formatted ASCII string to the console output device - specified by StdErr in EFI_SYSTEM_TABLE and returns the number of ASCII - characters that printed to StdErr. If the length of the formatted ASCII - string is greater than PcdUefiLibMaxPrintBufferSize, then only the first + This function prints a formatted ASCII string to the console output device + specified by StdErr in EFI_SYSTEM_TABLE and returns the number of ASCII + characters that printed to StdErr. If the length of the formatted ASCII + string is greater than PcdUefiLibMaxPrintBufferSize, then only the first PcdUefiLibMaxPrintBufferSize characters are sent to StdErr. If Format is NULL, then ASSERT(). If gST->StdErr is NULL, then ASSERT(). @param Format A null-terminated ASCII format string. - @param ... The variable argument list whose contents are accessed based + @param ... The variable argument list whose contents are accessed based on the format string specified by Format. - + @return Number of ASCII characters printed to ConErr. **/ @@ -1179,22 +1229,22 @@ AsciiErrorPrint ( /** - Prints a formatted Unicode string to a graphics console device specified by + Prints a formatted Unicode string to a graphics console device specified by ConsoleOutputHandle defined in the EFI_SYSTEM_TABLE at the given (X,Y) coordinates. - This function prints a formatted Unicode string to the graphics console device - specified by ConsoleOutputHandle in EFI_SYSTEM_TABLE and returns the number of - Unicode characters displayed, not including partial characters that may be clipped + This function prints a formatted Unicode string to the graphics console device + specified by ConsoleOutputHandle in EFI_SYSTEM_TABLE and returns the number of + Unicode characters displayed, not including partial characters that may be clipped by the right edge of the display. If the length of the formatted Unicode string is - greater than PcdUefiLibMaxPrintBufferSize, then at most the first + greater than PcdUefiLibMaxPrintBufferSize, then at most the first PcdUefiLibMaxPrintBufferSize characters are printed. The EFI_HII_FONT_PROTOCOL - is used to convert the string to a bitmap using the glyphs registered with the + is used to convert the string to a bitmap using the glyphs registered with the HII database. No wrapping is performed, so any portions of the string the fall outside the active display region will not be displayed. - If a graphics console device is not associated with the ConsoleOutputHandle + If a graphics console device is not associated with the ConsoleOutputHandle defined in the EFI_SYSTEM_TABLE then no string is printed, and 0 is returned. - If the EFI_HII_FONT_PROTOCOL is not present in the handle database, then no + If the EFI_HII_FONT_PROTOCOL is not present in the handle database, then no string is printed, and 0 is returned. If Format is NULL, then ASSERT(). If Format is not aligned on a 16-bit boundary, then ASSERT(). @@ -1207,13 +1257,13 @@ AsciiErrorPrint ( then the foreground color of the current ConOut device in the EFI_SYSTEM_TABLE is used. @param BackGround The background color of the string being printed. This is - an optional parameter that may be NULL. If it is NULL, + an optional parameter that may be NULL. If it is NULL, then the background color of the current ConOut device in the EFI_SYSTEM_TABLE is used. - @param Format A null-terminated Unicode format string. See Print Library + @param Format A null-terminated Unicode format string. See Print Library for the supported format string syntax. - @param ... Variable argument list whose contents are accessed based on - the format string specified by Format. + @param ... Variable argument list whose contents are accessed based on + the format string specified by Format. @return The number of Unicode characters printed. @@ -1230,22 +1280,22 @@ PrintXY ( ); /** - Prints a formatted ASCII string to a graphics console device specified by + Prints a formatted ASCII string to a graphics console device specified by ConsoleOutputHandle defined in the EFI_SYSTEM_TABLE at the given (X,Y) coordinates. - This function prints a formatted ASCII string to the graphics console device - specified by ConsoleOutputHandle in EFI_SYSTEM_TABLE and returns the number of - ASCII characters displayed, not including partial characters that may be clipped + This function prints a formatted ASCII string to the graphics console device + specified by ConsoleOutputHandle in EFI_SYSTEM_TABLE and returns the number of + ASCII characters displayed, not including partial characters that may be clipped by the right edge of the display. If the length of the formatted ASCII string is - greater than PcdUefiLibMaxPrintBufferSize, then at most the first + greater than PcdUefiLibMaxPrintBufferSize, then at most the first PcdUefiLibMaxPrintBufferSize characters are printed. The EFI_HII_FONT_PROTOCOL - is used to convert the string to a bitmap using the glyphs registered with the + is used to convert the string to a bitmap using the glyphs registered with the HII database. No wrapping is performed, so any portions of the string the fall outside the active display region will not be displayed. - If a graphics console device is not associated with the ConsoleOutputHandle + If a graphics console device is not associated with the ConsoleOutputHandle defined in the EFI_SYSTEM_TABLE then no string is printed, and 0 is returned. - If the EFI_HII_FONT_PROTOCOL is not present in the handle database, then no + If the EFI_HII_FONT_PROTOCOL is not present in the handle database, then no string is printed, and 0 is returned. If Format is NULL, then ASSERT(). If gST->ConsoleOutputHandle is NULL, then ASSERT(). @@ -1257,13 +1307,13 @@ PrintXY ( then the foreground color of the current ConOut device in the EFI_SYSTEM_TABLE is used. @param BackGround The background color of the string being printed. This is - an optional parameter that may be NULL. If it is NULL, + an optional parameter that may be NULL. If it is NULL, then the background color of the current ConOut device in the EFI_SYSTEM_TABLE is used. - @param Format A null-terminated ASCII format string. See Print Library + @param Format A null-terminated ASCII format string. See Print Library for the supported format string syntax. - @param ... The variable argument list whose contents are accessed based on - the format string specified by Format. + @param ... The variable argument list whose contents are accessed based on + the format string specified by Format. @return The number of ASCII characters printed. @@ -1279,15 +1329,16 @@ AsciiPrintXY ( ... ); + /** Installs and completes the initialization of a Driver Binding Protocol instance. - + Installs the Driver Binding Protocol specified by DriverBinding onto the handle specified by DriverBindingHandle. If DriverBindingHandle is NULL, then DriverBinding is installed onto a newly created handle. DriverBindingHandle is typically the same as the driver's ImageHandle, but it can be different if the driver produces multiple - Driver Binding Protocols. - If DriverBinding is NULL, then ASSERT(). + Driver Binding Protocols. + If DriverBinding is NULL, then ASSERT(). If DriverBinding can not be installed onto a handle, then ASSERT(). @param ImageHandle The image handle of the driver. @@ -1312,6 +1363,25 @@ EfiLibInstallDriverBinding ( /** + Uninstalls a Driver Binding Protocol instance. + + If DriverBinding is NULL, then ASSERT(). + If DriverBinding can not be uninstalled, then ASSERT(). + + @param DriverBinding A Driver Binding Protocol instance that this driver produced. + + @retval EFI_SUCCESS The protocol uninstallation successfully completed. + @retval Others Status from gBS->UninstallMultipleProtocolInterfaces(). + +**/ +EFI_STATUS +EFIAPI +EfiLibUninstallDriverBinding ( + IN EFI_DRIVER_BINDING_PROTOCOL *DriverBinding + ); + + +/** Installs and completes the initialization of a Driver Binding Protocol instance and optionally installs the Component Name, Driver Configuration and Driver Diagnostics Protocols. @@ -1320,10 +1390,10 @@ EfiLibInstallDriverBinding ( Protocols onto the driver's DriverBindingHandle. If DriverBindingHandle is NULL, then the protocols are installed onto a newly created handle. DriverBindingHandle is typically the same as the driver's ImageHandle, but it can be different if the - driver produces multiple Driver Binding Protocols. - If DriverBinding is NULL, then ASSERT(). + driver produces multiple Driver Binding Protocols. + If DriverBinding is NULL, then ASSERT(). If the installation fails, then ASSERT(). - + @param ImageHandle The image handle of the driver. @param SystemTable The EFI System Table that was passed to the driver's entry point. @param DriverBinding A Driver Binding Protocol instance that this driver is producing. @@ -1350,6 +1420,31 @@ EfiLibInstallAllDriverProtocols ( ); +/** + Uninstalls a Driver Binding Protocol instance and optionally uninstalls the + Component Name, Driver Configuration and Driver Diagnostics Protocols. + + If DriverBinding is NULL, then ASSERT(). + If the uninstallation fails, then ASSERT(). + + @param DriverBinding A Driver Binding Protocol instance that this driver produced. + @param ComponentName A Component Name Protocol instance that this driver produced. + @param DriverConfiguration A Driver Configuration Protocol instance that this driver produced. + @param DriverDiagnostics A Driver Diagnostics Protocol instance that this driver produced. + + @retval EFI_SUCCESS The protocol uninstallation successfully completed. + @retval Others Status from gBS->UninstallMultipleProtocolInterfaces(). + +**/ +EFI_STATUS +EFIAPI +EfiLibUninstallAllDriverProtocols ( + IN EFI_DRIVER_BINDING_PROTOCOL *DriverBinding, + IN CONST EFI_COMPONENT_NAME_PROTOCOL *ComponentName, OPTIONAL + IN CONST EFI_DRIVER_CONFIGURATION_PROTOCOL *DriverConfiguration, OPTIONAL + IN CONST EFI_DRIVER_DIAGNOSTICS_PROTOCOL *DriverDiagnostics OPTIONAL + ); + /** Installs Driver Binding Protocol with optional Component Name and Component Name 2 Protocols. @@ -1358,8 +1453,8 @@ EfiLibInstallAllDriverProtocols ( optional Component Name and optional Component Name 2 protocols onto the driver's DriverBindingHandle. If DriverBindingHandle is NULL, then the protocols are installed onto a newly created handle. DriverBindingHandle is typically the same as the driver's - ImageHandle, but it can be different if the driver produces multiple Driver Binding Protocols. - If DriverBinding is NULL, then ASSERT(). + ImageHandle, but it can be different if the driver produces multiple Driver Binding Protocols. + If DriverBinding is NULL, then ASSERT(). If the installation fails, then ASSERT(). @param ImageHandle The image handle of the driver. @@ -1387,6 +1482,29 @@ EfiLibInstallDriverBindingComponentName2 ( /** + Uninstalls Driver Binding Protocol with optional Component Name and Component Name 2 Protocols. + + If DriverBinding is NULL, then ASSERT(). + If the uninstallation fails, then ASSERT(). + + @param DriverBinding A Driver Binding Protocol instance that this driver produced. + @param ComponentName A Component Name Protocol instance that this driver produced. + @param ComponentName2 A Component Name 2 Protocol instance that this driver produced. + + @retval EFI_SUCCESS The protocol installation successfully completed. + @retval Others Status from gBS->UninstallMultipleProtocolInterfaces(). + +**/ +EFI_STATUS +EFIAPI +EfiLibUninstallDriverBindingComponentName2 ( + IN EFI_DRIVER_BINDING_PROTOCOL *DriverBinding, + IN CONST EFI_COMPONENT_NAME_PROTOCOL *ComponentName, OPTIONAL + IN CONST EFI_COMPONENT_NAME2_PROTOCOL *ComponentName2 OPTIONAL + ); + + +/** Installs Driver Binding Protocol with optional Component Name, Component Name 2, Driver Configuration, Driver Configuration 2, Driver Diagnostics, and Driver Diagnostics 2 Protocols. @@ -1394,8 +1512,8 @@ EfiLibInstallDriverBindingComponentName2 ( Component Name, optional Component Name 2, optional Driver Configuration, optional Driver Configuration 2, optional Driver Diagnostic, and optional Driver Diagnostic 2 Protocols onto the driver's DriverBindingHandle. DriverBindingHandle is typically the same as the driver's ImageHandle, but it can be different if the driver - produces multiple Driver Binding Protocols. - If DriverBinding is NULL, then ASSERT(). + produces multiple Driver Binding Protocols. + If DriverBinding is NULL, then ASSERT(). If the installation fails, then ASSERT(). @@ -1430,25 +1548,59 @@ EfiLibInstallAllDriverProtocols2 ( IN CONST EFI_DRIVER_DIAGNOSTICS2_PROTOCOL *DriverDiagnostics2 OPTIONAL ); -/** + +/** + Uninstalls Driver Binding Protocol with optional Component Name, Component Name 2, Driver + Configuration, Driver Configuration 2, Driver Diagnostics, and Driver Diagnostics 2 Protocols. + + If DriverBinding is NULL, then ASSERT(). + If the installation fails, then ASSERT(). + + + @param DriverBinding A Driver Binding Protocol instance that this driver produced. + @param ComponentName A Component Name Protocol instance that this driver produced. + @param ComponentName2 A Component Name 2 Protocol instance that this driver produced. + @param DriverConfiguration A Driver Configuration Protocol instance that this driver produced. + @param DriverConfiguration2 A Driver Configuration Protocol 2 instance that this driver produced. + @param DriverDiagnostics A Driver Diagnostics Protocol instance that this driver produced. + @param DriverDiagnostics2 A Driver Diagnostics Protocol 2 instance that this driver produced. + + @retval EFI_SUCCESS The protocol uninstallation successfully completed. + @retval Others Status from gBS->UninstallMultipleProtocolInterfaces(). + +**/ +EFI_STATUS +EFIAPI +EfiLibUninstallAllDriverProtocols2 ( + IN EFI_DRIVER_BINDING_PROTOCOL *DriverBinding, + IN CONST EFI_COMPONENT_NAME_PROTOCOL *ComponentName, OPTIONAL + IN CONST EFI_COMPONENT_NAME2_PROTOCOL *ComponentName2, OPTIONAL + IN CONST EFI_DRIVER_CONFIGURATION_PROTOCOL *DriverConfiguration, OPTIONAL + IN CONST EFI_DRIVER_CONFIGURATION2_PROTOCOL *DriverConfiguration2, OPTIONAL + IN CONST EFI_DRIVER_DIAGNOSTICS_PROTOCOL *DriverDiagnostics, OPTIONAL + IN CONST EFI_DRIVER_DIAGNOSTICS2_PROTOCOL *DriverDiagnostics2 OPTIONAL + ); + + +/** Appends a formatted Unicode string to a Null-terminated Unicode string - - This function appends a formatted Unicode string to the Null-terminated + + This function appends a formatted Unicode string to the Null-terminated Unicode string specified by String. String is optional and may be NULL. - Storage for the formatted Unicode string returned is allocated using + Storage for the formatted Unicode string returned is allocated using AllocatePool(). The pointer to the appended string is returned. The caller is responsible for freeing the returned string. - + If String is not NULL and not aligned on a 16-bit boundary, then ASSERT(). If FormatString is NULL, then ASSERT(). If FormatString is not aligned on a 16-bit boundary, then ASSERT(). - + @param[in] String A Null-terminated Unicode string. @param[in] FormatString A Null-terminated Unicode format string. @param[in] Marker VA_LIST marker for the variable argument list. @retval NULL There was not enough available memory. - @return Null-terminated Unicode string is that is the formatted + @return Null-terminated Unicode string is that is the formatted string appended to String. **/ CHAR16* @@ -1459,27 +1611,27 @@ CatVSPrint ( IN VA_LIST Marker ); -/** +/** Appends a formatted Unicode string to a Null-terminated Unicode string - - This function appends a formatted Unicode string to the Null-terminated + + This function appends a formatted Unicode string to the Null-terminated Unicode string specified by String. String is optional and may be NULL. - Storage for the formatted Unicode string returned is allocated using + Storage for the formatted Unicode string returned is allocated using AllocatePool(). The pointer to the appended string is returned. The caller is responsible for freeing the returned string. - + If String is not NULL and not aligned on a 16-bit boundary, then ASSERT(). If FormatString is NULL, then ASSERT(). If FormatString is not aligned on a 16-bit boundary, then ASSERT(). - + @param[in] String A Null-terminated Unicode string. @param[in] FormatString A Null-terminated Unicode format string. - @param[in] ... The variable argument list whose contents are - accessed based on the format string specified by + @param[in] ... The variable argument list whose contents are + accessed based on the format string specified by FormatString. @retval NULL There was not enough available memory. - @return Null-terminated Unicode string is that is the formatted + @return Null-terminated Unicode string is that is the formatted string appended to String. **/ CHAR16 * @@ -1490,4 +1642,173 @@ CatSPrint ( ... ); +/** + Returns an array of protocol instance that matches the given protocol. + + @param[in] Protocol Provides the protocol to search for. + @param[out] NoProtocols The number of protocols returned in Buffer. + @param[out] Buffer A pointer to the buffer to return the requested + array of protocol instances that match Protocol. + The returned buffer is allocated using + EFI_BOOT_SERVICES.AllocatePool(). The caller is + responsible for freeing this buffer with + EFI_BOOT_SERVICES.FreePool(). + + @retval EFI_SUCCESS The array of protocols was returned in Buffer, + and the number of protocols in Buffer was + returned in NoProtocols. + @retval EFI_NOT_FOUND No protocols found. + @retval EFI_OUT_OF_RESOURCES There is not enough pool memory to store the + matching results. + @retval EFI_INVALID_PARAMETER Protocol is NULL. + @retval EFI_INVALID_PARAMETER NoProtocols is NULL. + @retval EFI_INVALID_PARAMETER Buffer is NULL. + +**/ +EFI_STATUS +EFIAPI +EfiLocateProtocolBuffer ( + IN EFI_GUID *Protocol, + OUT UINTN *NoProtocols, + OUT VOID ***Buffer + ); + +/** + Open or create a file or directory, possibly creating the chain of + directories leading up to the directory. + + EfiOpenFileByDevicePath() first locates EFI_SIMPLE_FILE_SYSTEM_PROTOCOL on + FilePath, and opens the root directory of that filesystem with + EFI_SIMPLE_FILE_SYSTEM_PROTOCOL.OpenVolume(). + + On the remaining device path, the longest initial sequence of + FILEPATH_DEVICE_PATH nodes is node-wise traversed with + EFI_FILE_PROTOCOL.Open(). + + (As a consequence, if OpenMode includes EFI_FILE_MODE_CREATE, and Attributes + includes EFI_FILE_DIRECTORY, and each FILEPATH_DEVICE_PATH specifies a single + pathname component, then EfiOpenFileByDevicePath() ensures that the specified + series of subdirectories exist on return.) + + The EFI_FILE_PROTOCOL identified by the last FILEPATH_DEVICE_PATH node is + output to the caller; intermediate EFI_FILE_PROTOCOL instances are closed. If + there are no FILEPATH_DEVICE_PATH nodes past the node that identifies the + filesystem, then the EFI_FILE_PROTOCOL of the root directory of the + filesystem is output to the caller. If a device path node that is different + from FILEPATH_DEVICE_PATH is encountered relative to the filesystem, the + traversal is stopped with an error, and a NULL EFI_FILE_PROTOCOL is output. + + @param[in,out] FilePath On input, the device path to the file or directory + to open or create. The caller is responsible for + ensuring that the device path pointed-to by FilePath + is well-formed. On output, FilePath points one past + the last node in the original device path that has + been successfully processed. FilePath is set on + output even if EfiOpenFileByDevicePath() returns an + error. + + @param[out] File On error, File is set to NULL. On success, File is + set to the EFI_FILE_PROTOCOL of the root directory + of the filesystem, if there are no + FILEPATH_DEVICE_PATH nodes in FilePath; otherwise, + File is set to the EFI_FILE_PROTOCOL identified by + the last node in FilePath. + + @param[in] OpenMode The OpenMode parameter to pass to + EFI_FILE_PROTOCOL.Open(). + + @param[in] Attributes The Attributes parameter to pass to + EFI_FILE_PROTOCOL.Open(). + + @retval EFI_SUCCESS The file or directory has been opened or + created. + + @retval EFI_INVALID_PARAMETER FilePath is NULL; or File is NULL; or FilePath + contains a device path node, past the node + that identifies + EFI_SIMPLE_FILE_SYSTEM_PROTOCOL, that is not a + FILEPATH_DEVICE_PATH node. + + @retval EFI_OUT_OF_RESOURCES Memory allocation failed. + + @return Error codes propagated from the + LocateDevicePath() and OpenProtocol() boot + services, and from the + EFI_SIMPLE_FILE_SYSTEM_PROTOCOL.OpenVolume() + and EFI_FILE_PROTOCOL.Open() member functions. +**/ +EFI_STATUS +EFIAPI +EfiOpenFileByDevicePath ( + IN OUT EFI_DEVICE_PATH_PROTOCOL **FilePath, + OUT EFI_FILE_PROTOCOL **File, + IN UINT64 OpenMode, + IN UINT64 Attributes + ); + +/** + This function locates next ACPI table in XSDT/RSDT based on Signature and + previous returned Table. + + If PreviousTable is NULL: + This function will locate the first ACPI table in XSDT/RSDT based on + Signature in gEfiAcpi20TableGuid system configuration table first, and then + gEfiAcpi10TableGuid system configuration table. + This function will locate in XSDT first, and then RSDT. + For DSDT, this function will locate XDsdt in FADT first, and then Dsdt in + FADT. + For FACS, this function will locate XFirmwareCtrl in FADT first, and then + FirmwareCtrl in FADT. + + If PreviousTable is not NULL: + 1. If it could be located in XSDT in gEfiAcpi20TableGuid system configuration + table, then this function will just locate next table in XSDT in + gEfiAcpi20TableGuid system configuration table. + 2. If it could be located in RSDT in gEfiAcpi20TableGuid system configuration + table, then this function will just locate next table in RSDT in + gEfiAcpi20TableGuid system configuration table. + 3. If it could be located in RSDT in gEfiAcpi10TableGuid system configuration + table, then this function will just locate next table in RSDT in + gEfiAcpi10TableGuid system configuration table. + + It's not supported that PreviousTable is not NULL but PreviousTable->Signature + is not same with Signature, NULL will be returned. + + @param Signature ACPI table signature. + @param PreviousTable Pointer to previous returned table to locate next + table, or NULL to locate first table. + + @return Next ACPI table or NULL if not found. + +**/ +EFI_ACPI_COMMON_HEADER * +EFIAPI +EfiLocateNextAcpiTable ( + IN UINT32 Signature, + IN EFI_ACPI_COMMON_HEADER *PreviousTable OPTIONAL + ); + +/** + This function locates first ACPI table in XSDT/RSDT based on Signature. + + This function will locate the first ACPI table in XSDT/RSDT based on + Signature in gEfiAcpi20TableGuid system configuration table first, and then + gEfiAcpi10TableGuid system configuration table. + This function will locate in XSDT first, and then RSDT. + For DSDT, this function will locate XDsdt in FADT first, and then Dsdt in + FADT. + For FACS, this function will locate XFirmwareCtrl in FADT first, and then + FirmwareCtrl in FADT. + + @param Signature ACPI table signature. + + @return First ACPI table or NULL if not found. + +**/ +EFI_ACPI_COMMON_HEADER * +EFIAPI +EfiLocateFirstAcpiTable ( + IN UINT32 Signature + ); + #endif |