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175 lines
6.7 KiB
C
175 lines
6.7 KiB
C
/** @file
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This protocol is defined in UEFI spec.
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The EFI_FORM_BROWSER2_PROTOCOL is the interface to call for drivers to
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leverage the EFI configuration driver interface.
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Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __EFI_FORM_BROWSER2_H__
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#define __EFI_FORM_BROWSER2_H__
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#include <Guid/HiiPlatformSetupFormset.h>
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#define EFI_FORM_BROWSER2_PROTOCOL_GUID \
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{0xb9d4c360, 0xbcfb, 0x4f9b, {0x92, 0x98, 0x53, 0xc1, 0x36, 0x98, 0x22, 0x58 }}
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typedef struct _EFI_FORM_BROWSER2_PROTOCOL EFI_FORM_BROWSER2_PROTOCOL;
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/**
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@param LeftColumn The value that designates the text column
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where the browser window will begin from
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the left-hand side of the screen
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@param RightColumn The value that designates the text
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column where the browser window will end
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on the right-hand side of the screen.
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@param TopRow The value that designates the text row from the
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top of the screen where the browser window
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will start.
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@param BottomRow The value that designates the text row from the
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bottom of the screen where the browser
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window will end.
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**/
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typedef struct {
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UINTN LeftColumn;
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UINTN RightColumn;
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UINTN TopRow;
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UINTN BottomRow;
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} EFI_SCREEN_DESCRIPTOR;
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typedef UINTN EFI_BROWSER_ACTION_REQUEST;
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#define EFI_BROWSER_ACTION_REQUEST_NONE 0
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#define EFI_BROWSER_ACTION_REQUEST_RESET 1
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#define EFI_BROWSER_ACTION_REQUEST_SUBMIT 2
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#define EFI_BROWSER_ACTION_REQUEST_EXIT 3
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#define EFI_BROWSER_ACTION_REQUEST_FORM_SUBMIT_EXIT 4
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#define EFI_BROWSER_ACTION_REQUEST_FORM_DISCARD_EXIT 5
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#define EFI_BROWSER_ACTION_REQUEST_FORM_APPLY 6
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#define EFI_BROWSER_ACTION_REQUEST_FORM_DISCARD 7
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#define EFI_BROWSER_ACTION_REQUEST_RECONNECT 8
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/**
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Initialize the browser to display the specified configuration forms.
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This function is the primary interface to the internal forms-based browser.
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The forms browser will display forms associated with the specified Handles.
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The browser will select all forms in packages which have the specified Type
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and (for EFI_HII_PACKAGE_TYPE_GUID) the specified PackageGuid.
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@param This A pointer to the EFI_FORM_BROWSER2_PROTOCOL instance
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@param Handles A pointer to an array of Handles. This value should correspond
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to the value of the HII form package that is required to be displayed.
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@param HandleCount The number of Handles specified in Handle.
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@param FormSetGuid This field points to the EFI_GUID which must match the Guid field or one of the
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elements of the ClassId field in the EFI_IFR_FORM_SET op-code. If
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FormsetGuid is NULL, then this function will display the form set class
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EFI_HII_PLATFORM_SETUP_FORMSET_GUID.
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@param FormId This field specifies the identifier of the form within the form set to render as the first
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displayable page. If this field has a value of 0x0000, then the Forms Browser will
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render the first enabled form in the form set.
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@param ScreenDimensions Points to recommended form dimensions, including any non-content area, in
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characters.
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@param ActionRequest Points to the action recommended by the form.
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@retval EFI_SUCCESS The function completed successfully
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@retval EFI_NOT_FOUND The variable was not found.
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@retval EFI_INVALID_PARAMETER One of the parameters has an
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invalid value.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SEND_FORM2)(
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IN CONST EFI_FORM_BROWSER2_PROTOCOL *This,
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IN EFI_HII_HANDLE *Handle,
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IN UINTN HandleCount,
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IN EFI_GUID *FormSetGuid, OPTIONAL
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IN EFI_FORM_ID FormId, OPTIONAL
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IN CONST EFI_SCREEN_DESCRIPTOR *ScreenDimensions, OPTIONAL
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OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest OPTIONAL
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);
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/**
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This function is called by a callback handler to retrieve uncommitted state data from the browser.
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This routine is called by a routine which was called by the
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browser. This routine called this service in the browser to
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retrieve or set certain uncommitted state information.
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@param This A pointer to the EFI_FORM_BROWSER2_PROTOCOL instance.
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@param ResultsDataSize A pointer to the size of the buffer
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associated with ResultsData. On input, the size in
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bytes of ResultsData. On output, the size of data
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returned in ResultsData.
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@param ResultsData A string returned from an IFR browser or
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equivalent. The results string will have
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no routing information in them.
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@param RetrieveData A BOOLEAN field which allows an agent to
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retrieve (if RetrieveData = TRUE) data
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from the uncommitted browser state
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information or set (if RetrieveData =
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FALSE) data in the uncommitted browser
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state information.
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@param VariableGuid An optional field to indicate the target
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variable GUID name to use.
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@param VariableName An optional field to indicate the target
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human-readable variable name.
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@retval EFI_SUCCESS The results have been distributed or are
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awaiting distribution.
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@retval EFI_OUT_OF_RESOURCES The ResultsDataSize specified
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was too small to contain the
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results data.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_BROWSER_CALLBACK2)(
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IN CONST EFI_FORM_BROWSER2_PROTOCOL *This,
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IN OUT UINTN *ResultsDataSize,
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IN OUT EFI_STRING ResultsData,
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IN CONST BOOLEAN RetrieveData,
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IN CONST EFI_GUID *VariableGuid, OPTIONAL
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IN CONST CHAR16 *VariableName OPTIONAL
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);
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///
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/// This interface will allow the caller to direct the configuration
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/// driver to use either the HII database or use the passed-in packet of data.
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///
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struct _EFI_FORM_BROWSER2_PROTOCOL {
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EFI_SEND_FORM2 SendForm;
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EFI_BROWSER_CALLBACK2 BrowserCallback;
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} ;
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extern EFI_GUID gEfiFormBrowser2ProtocolGuid;
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#endif
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