mirror of https://github.com/acidanthera/audk.git
889 lines
33 KiB
C
889 lines
33 KiB
C
/** @file
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Library class name: FrameworkIfrSupportLib
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FrameworkIfrSupportLib is designed for produce IFR operation interface .
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The IFR format follows framework specification.
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Copyright (c) 2006, Intel Corporation
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All rights reserved. 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 _IFRSUPPORTLIBRARY_H_
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#define _IFRSUPPORTLIBRARY_H_
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#define DEFAULT_FORM_BUFFER_SIZE 0xFFFF
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#define DEFAULT_STRING_BUFFER_SIZE 0xFFFF
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#pragma pack(1)
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typedef struct {
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CHAR16 *OptionString; // Passed in string to generate a token for in a truly dynamic form creation
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STRING_REF StringToken; // This is used when creating a single op-code without generating a StringToken (have one already)
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UINT16 Value;
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UINT8 Flags;
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UINT16 Key;
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} IFR_OPTION;
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#pragma pack()
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/**
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Determine what is the current language setting.
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The setting is stored in language variable in flash. This routine
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will get setting by accesssing that variable. If failed to access
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language variable, then use default setting that 'eng' as current
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language setting.
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@param Lang Pointer of system language
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@return whether success to get setting from variable
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**/
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EFI_STATUS
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EFIAPI
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GetCurrentLanguage (
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OUT CHAR16 *Lang
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);
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/**
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Add a string to the incoming buffer and return the token and offset data.
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@param StringBuffer The incoming buffer
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@param Language Currrent language
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@param String The string to be added
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@param StringToken The index where the string placed
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@retval EFI_OUT_OF_RESOURCES No enough buffer to allocate
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@retval EFI_SUCCESS String successfully added to the incoming buffer
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**/
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EFI_STATUS
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EFIAPI
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AddString (
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IN VOID *StringBuffer,
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IN CHAR16 *Language,
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IN CHAR16 *String,
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IN OUT STRING_REF *StringToken
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);
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/**
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Add op-code data to the FormBuffer.
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@param FormBuffer Form buffer to be inserted to
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@param OpCodeData Op-code data to be inserted
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@retval EFI_OUT_OF_RESOURCES No enough buffer to allocate
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@retval EFI_SUCCESS Op-code data successfully inserted
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**/
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EFI_STATUS
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EFIAPI
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AddOpCode (
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IN VOID *FormBuffer,
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IN OUT VOID *OpCodeData
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);
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/**
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Create a formset
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The form package is a collection of forms that are intended to describe the pages that will be
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displayed to the user.
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@param FormSetTitle Title of formset
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@param Guid Guid of formset
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@param Class Class of formset
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@param SubClass Sub class of formset
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@param FormBuffer Pointer of the formset created
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@param StringBuffer Pointer of FormSetTitile string created
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@retval EFI_OUT_OF_RESOURCES No enough buffer to allocate
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@retval EFI_SUCCESS Formset successfully created
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**/
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EFI_STATUS
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EFIAPI
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CreateFormSet (
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IN CHAR16 *FormSetTitle,
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IN EFI_GUID *Guid,
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IN UINT8 Class,
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IN UINT8 SubClass,
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IN OUT VOID **FormBuffer,
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IN OUT VOID **StringBuffer
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);
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/**
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Create a form.
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A form is the encapsulation of what amounts to a browser page. The header defines a FormId,
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which is referenced by the form package, among others. It also defines a FormTitle, which is a
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string to be used as the title for the form
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@param FormTitle Title of the form
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@param FormId Id of the form
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@param FormBuffer Pointer of the form created
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@param StringBuffer Pointer of FormTitil string created
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@retval EFI_SUCCESS Form successfully created
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**/
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EFI_STATUS
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EFIAPI
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CreateForm (
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IN CHAR16 *FormTitle,
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IN UINT16 FormId,
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IN OUT VOID *FormBuffer,
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IN OUT VOID *StringBuffer
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);
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/**
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Create a SubTitle
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Subtitle strings are intended to be used by authors to separate sections of questions into semantic
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groups.
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@param SubTitle Sub title to be created
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@param FormBuffer Where this subtitle to add to
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@param StringBuffer String buffer created for subtitle
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@retval EFI_SUCCESS Subtitle successfully created
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**/
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EFI_STATUS
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EFIAPI
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CreateSubTitle (
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IN CHAR16 *SubTitle,
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IN OUT VOID *FormBuffer,
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IN OUT VOID *StringBuffer
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);
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/**
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Create a line of text
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Unlike HTML, text is simply another tag.
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This tag type enables IFR to be more easily localized.
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@param String First string of the text
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@param String2 Second string of the text
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@param String3 Help string of the text
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@param Flags Flag of the text
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@param Key Key of the text
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@param FormBuffer The form where this text adds to
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@param StringBuffer String buffer created for String, String2 and String3
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@retval EFI_SUCCESS Text successfully created
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**/
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EFI_STATUS
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EFIAPI
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CreateText (
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IN CHAR16 *String,
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IN CHAR16 *String2,
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IN CHAR16 *String3,
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IN UINT8 Flags,
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IN UINT16 Key,
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IN OUT VOID *FormBuffer,
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IN OUT VOID *StringBuffer
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);
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/**
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Create a hyperlink.
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@param FormId Form ID of the hyperlink
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@param Prompt Prompt of the hyperlink
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@param FormBuffer The form where this hyperlink adds to
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@param StringBuffer String buffer created for Prompt
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@retval EFI_SUCCESS Hyperlink successfully created
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**/
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EFI_STATUS
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EFIAPI
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CreateGoto (
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IN UINT16 FormId,
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IN CHAR16 *Prompt,
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IN OUT VOID *FormBuffer,
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IN OUT VOID *StringBuffer
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);
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/**
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Create a one-of question with a set of options to choose from. The
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OptionsList is a pointer to a null-terminated list of option descriptions.
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@param QuestionId Question ID of the one-of box
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@param DataWidth DataWidth of the one-of box
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@param Prompt Prompt of the one-of box
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@param Help Help of the one-of box
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@param OptionsList Each string in it is an option of the one-of box
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@param OptionCount Option string count
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@param FormBuffer The form where this one-of box adds to
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@param StringBuffer String buffer created for Prompt, Help and Option strings
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@retval EFI_DEVICE_ERROR DataWidth > 2
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@retval EFI_SUCCESS One-Of box successfully created.
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**/
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EFI_STATUS
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EFIAPI
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CreateOneOf (
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IN UINT16 QuestionId,
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IN UINT8 DataWidth,
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IN CHAR16 *Prompt,
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IN CHAR16 *Help,
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IN IFR_OPTION *OptionsList,
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IN UINTN OptionCount,
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IN OUT VOID *FormBuffer,
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IN OUT VOID *StringBuffer
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);
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/**
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Create a one-of question with a set of options to choose from. The
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OptionsList is a pointer to a null-terminated list of option descriptions.
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@param QuestionId Question ID of the ordered list
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@param MaxEntries MaxEntries of the ordered list
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@param Prompt Prompt of the ordered list
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@param Help Help of the ordered list
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@param OptionsList Each string in it is an option of the ordered list
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@param OptionCount Option string count
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@param FormBuffer The form where this ordered list adds to
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@param StringBuffer String buffer created for Prompt, Help and Option strings
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@retval EFI_SUCCESS Ordered list successfully created.
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**/
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EFI_STATUS
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EFIAPI
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CreateOrderedList (
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IN UINT16 QuestionId,
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IN UINT8 MaxEntries,
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IN CHAR16 *Prompt,
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IN CHAR16 *Help,
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IN IFR_OPTION *OptionsList,
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IN UINTN OptionCount,
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IN OUT VOID *FormBuffer,
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IN OUT VOID *StringBuffer
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);
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/**
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Create a checkbox
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@param QuestionId Question ID of the check box
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@param DataWidth DataWidth of the check box
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@param Prompt Prompt of the check box
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@param Help Help of the check box
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@param Flags Flags of the check box
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@param FormBuffer The form where this check box adds to
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@param StringBuffer String buffer created for Prompt and Help.
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@retval EFI_DEVICE_ERROR DataWidth > 1
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@retval EFI_SUCCESS Check box successfully created
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**/
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EFI_STATUS
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EFIAPI
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CreateCheckBox (
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IN UINT16 QuestionId,
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IN UINT8 DataWidth,
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IN CHAR16 *Prompt,
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IN CHAR16 *Help,
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IN UINT8 Flags,
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IN OUT VOID *FormBuffer,
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IN OUT VOID *StringBuffer
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);
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/**
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Create a numeric
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@param QuestionId Question ID of the numeric
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@param DataWidth DataWidth of the numeric
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@param Prompt Prompt of the numeric
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@param Help Help of the numeric
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@param Minimum Minumun boundary of the numeric
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@param Maximum Maximum boundary of the numeric
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@param Step Step of the numeric
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@param Default Default value
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@param Flags Flags of the numeric
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@param Key Key of the numeric
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@param FormBuffer The form where this numeric adds to
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@param StringBuffer String buffer created for Prompt and Help.
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@retval EFI_DEVICE_ERROR DataWidth > 2
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@retval EFI_SUCCESS Numeric is successfully created
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**/
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EFI_STATUS
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EFIAPI
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CreateNumeric (
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IN UINT16 QuestionId,
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IN UINT8 DataWidth,
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IN CHAR16 *Prompt,
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IN CHAR16 *Help,
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IN UINT16 Minimum,
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IN UINT16 Maximum,
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IN UINT16 Step,
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IN UINT16 Default,
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IN UINT8 Flags,
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IN UINT16 Key,
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IN OUT VOID *FormBuffer,
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IN OUT VOID *StringBuffer
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);
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/**
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Create a string.
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@param QuestionId Question ID of the string
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@param DataWidth DataWidth of the string
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@param Prompt Prompt of the string
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@param Help Help of the string
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@param MinSize Min size boundary of the string
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@param MaxSize Max size boundary of the string
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@param Flags Flags of the string
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@param Key Key of the string
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@param FormBuffer The form where this string adds to
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@param StringBuffer String buffer created for Prompt and Help.
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@retval EFI_SUCCESS String successfully created.
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**/
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EFI_STATUS
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EFIAPI
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CreateString (
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IN UINT16 QuestionId,
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IN UINT8 DataWidth,
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IN CHAR16 *Prompt,
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IN CHAR16 *Help,
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IN UINT8 MinSize,
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IN UINT8 MaxSize,
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IN UINT8 Flags,
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IN UINT16 Key,
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IN OUT VOID *FormBuffer,
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IN OUT VOID *StringBuffer
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);
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/**
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Extract information pertaining to the HiiHandle.
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@param HiiHandle Hii handle
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@param ImageLength For input, length of DefaultImage;
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For output, length of actually required
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@param DefaultImage Image buffer prepared by caller
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@param Guid Guid information about the form
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@retval EFI_OUT_OF_RESOURCES No enough buffer to allocate
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@retval EFI_BUFFER_TOO_SMALL DefualtImage has no enough ImageLength
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@retval EFI_SUCCESS Successfully extract data from Hii database.
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**/
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EFI_STATUS
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EFIAPI
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ExtractDataFromHiiHandle (
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IN FRAMEWORK_EFI_HII_HANDLE HiiHandle,
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IN OUT UINT16 *ImageLength,
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OUT UINT8 *DefaultImage,
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OUT EFI_GUID *Guid
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);
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/**
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Finds HII handle for given pack GUID previously registered with the HII.
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@param HiiProtocol pointer to pointer to HII protocol interface.
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If NULL, the interface will be found but not returned.
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If it points to NULL, the interface will be found and
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written back to the pointer that is pointed to.
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@param Guid The GUID of the pack that registered with the HII.
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@return Handle to the HII pack previously registered by the memory driver.
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**/
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FRAMEWORK_EFI_HII_HANDLE
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EFIAPI
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FindHiiHandle (
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IN OUT EFI_HII_PROTOCOL **HiiProtocol, OPTIONAL
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IN EFI_GUID *Guid
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);
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/**
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Create a SubTitle opcode independent of string creation
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This is used primarily by users who need to create just one particular valid op-code and the string
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data will be assumed to exist in the HiiDatabase already. (Useful when exporting op-codes at a label
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location to pre-defined forms in HII)
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@param StringToken StringToken of the subtitle
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@param FormBuffer Output of subtitle as a form
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@retval EFI_SUCCESS Subtitle created to be a form
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**/
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EFI_STATUS
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EFIAPI
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CreateSubTitleOpCode (
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IN STRING_REF StringToken,
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IN OUT VOID *FormBuffer
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);
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/**
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Create a Text opcode independent of string creation.
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This is used primarily by users who need to create just one particular valid op-code and the string
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data will be assumed to exist in the HiiDatabase already. (Useful when exporting op-codes at a label
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location to pre-defined forms in HII)
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@param StringToken First string token of the text
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@param StringTokenTwo Second string token of the text
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@param StringTokenThree Help string token of the text
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@param Flags Flag of the text
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@param Key Key of the text
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@param FormBuffer Output of text as a form
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@retval EFI_SUCCESS Text created to be a form
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**/
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EFI_STATUS
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EFIAPI
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CreateTextOpCode (
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IN STRING_REF StringToken,
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IN STRING_REF StringTokenTwo,
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IN STRING_REF StringTokenThree,
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IN UINT8 Flags,
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IN UINT16 Key,
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IN OUT VOID *FormBuffer
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);
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/**
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Create a hyperlink opcode independent of string creation.
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This is used primarily by users who need to create just one particular valid op-code and the string
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data will be assumed to exist in the HiiDatabase already. (Useful when exporting op-codes at a label
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location to pre-defined forms in HII)
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@param FormId Form ID of the hyperlink
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@param StringToken Prompt string token of the hyperlink
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@param StringTokenTwo Help string token of the hyperlink
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@param Flags Flags of the hyperlink
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@param Key Key of the hyperlink
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@param FormBuffer Output of hyperlink as a form
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@retval EFI_SUCCESS Hyperlink created to be a form
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**/
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EFI_STATUS
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EFIAPI
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CreateGotoOpCode (
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IN UINT16 FormId,
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IN STRING_REF StringToken,
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IN STRING_REF StringTokenTwo,
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IN UINT8 Flags,
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IN UINT16 Key,
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IN OUT VOID *FormBuffer
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);
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/**
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Create a one-of opcode with a set of option op-codes to choose from independent of string creation.
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This is used primarily by users who need to create just one particular valid op-code and the string
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data will be assumed to exist in the HiiDatabase already. (Useful when exporting op-codes at a label
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location to pre-defined forms in HII)
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OptionsList is a pointer to a null-terminated list of option descriptions. Ensure that OptionsList[x].StringToken
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has been filled in since this routine will not generate StringToken values.
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@param QuestionId Question ID of the one-of box
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@param DataWidth DataWidth of the one-of box
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@param PromptToken Prompt string token of the one-of box
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@param HelpToken Help string token of the one-of box
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@param OptionsList Each string in it is an option of the one-of box
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@param OptionCount Option string count
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@param FormBuffer Output of One-Of box as a form
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@retval EFI_SUCCESS One-Of box created to be a form
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@retval EFI_DEVICE_ERROR DataWidth > 2
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**/
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EFI_STATUS
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EFIAPI
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CreateOneOfOpCode (
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IN UINT16 QuestionId,
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IN UINT8 DataWidth,
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IN STRING_REF PromptToken,
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IN STRING_REF HelpToken,
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IN IFR_OPTION *OptionsList,
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IN UINTN OptionCount,
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IN OUT VOID *FormBuffer
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);
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/**
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Create a ordered list opcode with a set of option op-codes to choose from independent of string creation.
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This is used primarily by users who need to create just one particular valid op-code and the string
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data will be assumed to exist in the HiiDatabase already. (Useful when exporting op-codes at a label
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|
location to pre-defined forms in HII)
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OptionsList is a pointer to a null-terminated list of option descriptions. Ensure that OptionsList[x].StringToken
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has been filled in since this routine will not generate StringToken values.
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@param QuestionId Question ID of the ordered list
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@param MaxEntries MaxEntries of the ordered list
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@param PromptToken Prompt string token of the ordered list
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@param HelpToken Help string token of the ordered list
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@param OptionsList Each string in it is an option of the ordered list
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@param OptionCount Option string count
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@param FormBuffer Output of ordered list as a form
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@retval EFI_SUCCESS Ordered list created to be a form
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**/
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EFI_STATUS
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EFIAPI
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CreateOrderedListOpCode (
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IN UINT16 QuestionId,
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IN UINT8 MaxEntries,
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IN STRING_REF PromptToken,
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IN STRING_REF HelpToken,
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IN IFR_OPTION *OptionsList,
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IN UINTN OptionCount,
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IN OUT VOID *FormBuffer
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);
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/**
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Create a checkbox opcode independent of string creation
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This is used primarily by users who need to create just one particular valid op-code and the string
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data will be assumed to exist in the HiiDatabase already. (Useful when exporting op-codes at a label
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location to pre-defined forms in HII)
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@param QuestionId Question ID of the check box
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@param DataWidth DataWidth of the check box
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@param PromptToken Prompt string token of the check box
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@param HelpToken Help string token of the check box
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@param Flags Flags of the check box
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@param Key Key of the check box
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@param FormBuffer Output of the check box as a form
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@retval EFI_SUCCESS Checkbox created to be a form
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@retval EFI_DEVICE_ERROR DataWidth > 1
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**/
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EFI_STATUS
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EFIAPI
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CreateCheckBoxOpCode (
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IN UINT16 QuestionId,
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IN UINT8 DataWidth,
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IN STRING_REF PromptToken,
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IN STRING_REF HelpToken,
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IN UINT8 Flags,
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IN UINT16 Key,
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IN OUT VOID *FormBuffer
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|
);
|
|
|
|
/**
|
|
Create a numeric opcode independent of string creation.
|
|
This is used primarily by users who need to create just one particular valid op-code and the string
|
|
data will be assumed to exist in the HiiDatabase already. (Useful when exporting op-codes at a label
|
|
location to pre-defined forms in HII)
|
|
|
|
@param QuestionId Question ID of the numeric
|
|
@param DataWidth DataWidth of the numeric
|
|
@param PromptToken Prompt string token of the numeric
|
|
@param HelpToken Help string token of the numeric
|
|
@param Minimum Minumun boundary of the numeric
|
|
@param Maximum Maximum boundary of the numeric
|
|
@param Step Step of the numeric
|
|
@param Default Default value of the numeric
|
|
@param Flags Flags of the numeric
|
|
@param Key Key of the numeric
|
|
@param FormBuffer Output of the numeric as a form
|
|
|
|
|
|
@retval EFI_SUCCESS The numeric created to be a form.
|
|
@retval EFI_DEVICE_ERROR DataWidth > 2
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
CreateNumericOpCode (
|
|
IN UINT16 QuestionId,
|
|
IN UINT8 DataWidth,
|
|
IN STRING_REF PromptToken,
|
|
IN STRING_REF HelpToken,
|
|
IN UINT16 Minimum,
|
|
IN UINT16 Maximum,
|
|
IN UINT16 Step,
|
|
IN UINT16 Default,
|
|
IN UINT8 Flags,
|
|
IN UINT16 Key,
|
|
IN OUT VOID *FormBuffer
|
|
);
|
|
|
|
/**
|
|
Create a numeric opcode independent of string creation
|
|
This is used primarily by users who need to create just one particular valid op-code and the string
|
|
data will be assumed to exist in the HiiDatabase already. (Useful when exporting op-codes at a label
|
|
location to pre-defined forms in HII)
|
|
|
|
@param QuestionId Question ID of the string
|
|
@param DataWidth DataWidth of the string
|
|
@param PromptToken Prompt token of the string
|
|
@param HelpToken Help token of the string
|
|
@param MinSize Min size boundary of the string
|
|
@param MaxSize Max size boundary of the string
|
|
@param Flags Flags of the string
|
|
@param Key Key of the string
|
|
@param FormBuffer Output of the string as a form
|
|
|
|
@retval EFI_SUCCESS String created to be a form.
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
CreateStringOpCode (
|
|
IN UINT16 QuestionId,
|
|
IN UINT8 DataWidth,
|
|
IN STRING_REF PromptToken,
|
|
IN STRING_REF HelpToken,
|
|
IN UINT8 MinSize,
|
|
IN UINT8 MaxSize,
|
|
IN UINT8 Flags,
|
|
IN UINT16 Key,
|
|
IN OUT VOID *FormBuffer
|
|
);
|
|
|
|
/**
|
|
Validate that the data associated with the HiiHandle in NVRAM is within
|
|
the reasonable parameters for that FormSet. Values for strings and passwords
|
|
are not verified due to their not having the equivalent of valid range settings.
|
|
|
|
@param HiiHandle Handle of the HII database entry to query
|
|
|
|
@param Results If return Status is EFI_SUCCESS, Results provides valid data
|
|
TRUE = NVRAM Data is within parameters
|
|
FALSE = NVRAM Data is NOT within parameters
|
|
@retval EFI_OUT_OF_RESOURCES No enough buffer to allocate
|
|
@retval EFI_SUCCESS Data successfully validated
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
ValidateDataFromHiiHandle (
|
|
IN FRAMEWORK_EFI_HII_HANDLE HiiHandle,
|
|
OUT BOOLEAN *Results
|
|
);
|
|
|
|
/**
|
|
Create a banner opcode. This is primarily used by the FrontPage implementation from BDS.
|
|
|
|
@param Title Title of the banner
|
|
@param LineNumber LineNumber of the banner
|
|
@param Alignment Alignment of the banner
|
|
@param FormBuffer Output of banner as a form
|
|
|
|
@retval EFI_SUCCESS Banner created to be a form.
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
CreateBannerOpCode (
|
|
IN UINT16 Title,
|
|
IN UINT16 LineNumber,
|
|
IN UINT8 Alignment,
|
|
IN OUT VOID *FormBuffer
|
|
);
|
|
|
|
/**
|
|
Extracts a variable form a Pack.
|
|
|
|
@param Pack List of variables
|
|
@param Name Name of the variable/map
|
|
@param Guid GUID of the variable/map
|
|
@param Id The index of the variable/map to retrieve
|
|
@param Var Pointer to the variable/map
|
|
@param Size Size of the variable/map in bytes
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
EfiLibHiiVariablePackGetMap (
|
|
IN EFI_HII_VARIABLE_PACK *Pack,
|
|
OUT CHAR16 **Name, OPTIONAL
|
|
OUT EFI_GUID **Guid, OPTIONAL
|
|
OUT UINT16 *Id, OPTIONAL
|
|
OUT VOID **Var, OPTIONAL
|
|
OUT UINTN *Size OPTIONAL
|
|
);
|
|
|
|
/**
|
|
Finds a count of the variables/maps in the List.
|
|
|
|
@param List List of variables
|
|
|
|
@return The number of map count.
|
|
**/
|
|
UINTN
|
|
EFIAPI
|
|
EfiLibHiiVariablePackListGetMapCnt (
|
|
IN EFI_HII_VARIABLE_PACK_LIST *List
|
|
);
|
|
|
|
/**
|
|
type definition for the callback to be
|
|
used with EfiLibHiiVariablePackListForEachVar().
|
|
|
|
@param Id Variable/Map ID
|
|
@param Name Name of the variable/map
|
|
@param Guid GUID of the variable/map
|
|
@param Var Pointer to the variable/map
|
|
@param Size Size of the variable/map in bytes
|
|
**/
|
|
typedef VOID (EFI_LIB_HII_VARIABLE_PACK_LIST_CALLBACK) (
|
|
IN CHAR16 *Name,
|
|
IN EFI_GUID *Guid,
|
|
IN UINT16 Id,
|
|
IN VOID *Var,
|
|
IN UINTN Size
|
|
);
|
|
|
|
/**
|
|
Will iterate all variable/maps as appearing
|
|
in List and for each, it will call the Callback.
|
|
|
|
@param List List of variables
|
|
@param Callback Routine to be called for each iterated variable.
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
EfiLibHiiVariablePackListForEachVar (
|
|
IN EFI_HII_VARIABLE_PACK_LIST *List,
|
|
IN EFI_LIB_HII_VARIABLE_PACK_LIST_CALLBACK *Callback
|
|
);
|
|
|
|
/**
|
|
Finds a variable form List given
|
|
the order number as appears in the List.
|
|
|
|
@param Idx The index of the variable/map to retrieve
|
|
@param List List of variables
|
|
@param Name Name of the variable/map
|
|
@param Guid GUID of the variable/map
|
|
@param Id Id of the variable/map
|
|
@param Var Pointer to the variable/map
|
|
@param Size Size of the variable/map in bytes
|
|
|
|
@return EFI_SUCCESS Variable is found, OUT parameters are valid
|
|
@return EFI_NOT_FOUND Variable is not found, OUT parameters are not valid
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
EfiLibHiiVariablePackListGetMapByIdx (
|
|
IN UINTN Idx,
|
|
IN EFI_HII_VARIABLE_PACK_LIST *List,
|
|
OUT CHAR16 **Name, OPTIONAL
|
|
OUT EFI_GUID **Guid, OPTIONAL
|
|
OUT UINT16 *Id, OPTIONAL
|
|
OUT VOID **Var,
|
|
OUT UINTN *Size
|
|
);
|
|
|
|
/**
|
|
Finds a variable form List given the
|
|
order number as appears in the List.
|
|
|
|
@param Id The ID of the variable/map to retrieve
|
|
@param List List of variables
|
|
@param Name Name of the variable/map
|
|
@param Guid GUID of the variable/map
|
|
@param Var Pointer to the variable/map
|
|
@param Size Size of the variable/map in bytes
|
|
|
|
@retval EFI_SUCCESS Variable is found, OUT parameters are valid
|
|
@retval EFI_NOT_FOUND Variable is not found, OUT parameters are not valid
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
EfiLibHiiVariablePackListGetMapById (
|
|
IN UINT16 Id,
|
|
IN EFI_HII_VARIABLE_PACK_LIST *List,
|
|
OUT CHAR16 **Name, OPTIONAL
|
|
OUT EFI_GUID **Guid, OPTIONAL
|
|
OUT VOID **Var,
|
|
OUT UINTN *Size
|
|
);
|
|
|
|
/**
|
|
Finds a variable form EFI_HII_VARIABLE_PACK_LIST given name and GUID.
|
|
|
|
@param List List of variables
|
|
@param Name Name of the variable/map to be found
|
|
@param Guid GUID of the variable/map to be found
|
|
@param Id Id of the variable/map to be found
|
|
@param Var Pointer to the variable/map found
|
|
@param Size Size of the variable/map in bytes found
|
|
|
|
@retval EFI_SUCCESS variable is found, OUT parameters are valid
|
|
@retval EFI_NOT_FOUND variable is not found, OUT parameters are not valid
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
EfiLibHiiVariablePackListGetMap (
|
|
IN EFI_HII_VARIABLE_PACK_LIST *List,
|
|
IN CHAR16 *Name,
|
|
IN EFI_GUID *Guid,
|
|
OUT UINT16 *Id,
|
|
OUT VOID **Var,
|
|
OUT UINTN *Size
|
|
);
|
|
|
|
/**
|
|
Finds out if a variable of specific Name/Guid/Size exists in NV.
|
|
If it does, it will retrieve it into the Var.
|
|
|
|
@param Name Parameters of the variable to retrieve. Must match exactly.
|
|
@param Guid Parameters of the variable to retrieve. Must match exactly.
|
|
@param Size Parameters of the variable to retrieve. Must match exactly.
|
|
@param Var Variable will be retrieved into buffer pointed by this pointer.
|
|
If pointing to NULL, the buffer will be allocated. Caller is responsible for releasing the buffer.
|
|
|
|
@retval EFI_SUCCESS The variable of exact Name/Guid/Size parameters was retrieved and written to Var.
|
|
@retval EFI_NOT_FOUND The variable of this Name/Guid was not found in the NV.
|
|
@retval EFI_LOAD_ERROR The variable in the NV was of different size, or NV API returned error.
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
EfiLibHiiVariableRetrieveFromNv (
|
|
IN CHAR16 *Name,
|
|
IN EFI_GUID *Guid,
|
|
IN UINTN Size,
|
|
OUT VOID **Var
|
|
);
|
|
|
|
/**
|
|
Overrrides the variable with NV data if found.
|
|
But it only does it if the Name ends with specified Suffix.
|
|
For example, if Suffix="MyOverride" and the Name="XyzSetupMyOverride",
|
|
the Suffix matches the end of Name, so the variable will be loaded from NV
|
|
provided the variable exists and the GUID and Size matches.
|
|
|
|
@param Suffix Suffix the Name should end with.
|
|
@param Name Name of the variable to retrieve.
|
|
@param Guid Guid of the variable to retrieve.
|
|
@param Size Parameters of the variable to retrieve.
|
|
@param Var Variable will be retrieved into this buffer.
|
|
Caller is responsible for providing storage of exactly Size size in bytes.
|
|
|
|
@retval EFI_SUCCESS The variable was overriden with NV variable of same Name/Guid/Size.
|
|
@retval EFI_INVALID_PARAMETER The name of the variable does not end with <Suffix>.
|
|
@retval EFI_NOT_FOUND The variable of this Name/Guid was not found in the NV.
|
|
@retval EFI_LOAD_ERROR The variable in the NV was of different size, or NV API returned error.
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
EfiLibHiiVariableOverrideIfSuffix (
|
|
IN CHAR16 *Suffix,
|
|
IN CHAR16 *Name,
|
|
IN EFI_GUID *Guid,
|
|
IN UINTN Size,
|
|
OUT VOID *Var
|
|
);
|
|
|
|
/**
|
|
Overrrides the variable with NV data if found.
|
|
But it only does it if the NV contains the same variable with Name is appended with Suffix.
|
|
For example, if Suffix="MyOverride" and the Name="XyzSetup",
|
|
the Suffix will be appended to the end of Name, and the variable with Name="XyzSetupMyOverride"
|
|
will be loaded from NV provided the variable exists and the GUID and Size matches.
|
|
|
|
@param Suffix Suffix the variable will be appended with.
|
|
@param Name Parameters of the Name variable to retrieve.
|
|
@param Guid Parameters of the Guid variable to retrieve.
|
|
@param Size Parameters of the Size variable to retrieve.
|
|
@param Var Variable will be retrieved into this buffer.
|
|
Caller is responsible for providing storage of exactly Size size in bytes.
|
|
|
|
@retval EFI_SUCCESS The variable was overriden with NV variable of same Name/Guid/Size.
|
|
@retval EFI_NOT_FOUND The variable of this Name/Guid was not found in the NV.
|
|
@retval EFI_LOAD_ERROR The variable in the NV was of different size, or NV API returned error.
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
EfiLibHiiVariableOverrideBySuffix (
|
|
IN CHAR16 *Suffix,
|
|
IN CHAR16 *Name,
|
|
IN EFI_GUID *Guid,
|
|
IN UINTN Size,
|
|
OUT VOID *Var
|
|
);
|
|
|
|
#endif
|