summaryrefslogtreecommitdiff
path: root/MdeModulePkg/Include/Library/UefiBootManagerLib.h
diff options
context:
space:
mode:
Diffstat (limited to 'MdeModulePkg/Include/Library/UefiBootManagerLib.h')
-rw-r--r--MdeModulePkg/Include/Library/UefiBootManagerLib.h1632
1 files changed, 816 insertions, 816 deletions
diff --git a/MdeModulePkg/Include/Library/UefiBootManagerLib.h b/MdeModulePkg/Include/Library/UefiBootManagerLib.h
index 34e217707e..61b9a83abe 100644
--- a/MdeModulePkg/Include/Library/UefiBootManagerLib.h
+++ b/MdeModulePkg/Include/Library/UefiBootManagerLib.h
@@ -1,816 +1,816 @@
-/** @file
- Provide Boot Manager related library APIs.
-
-Copyright (c) 2011 - 2019, Intel Corporation. All rights reserved.<BR>
-(C) Copyright 2015-2016 Hewlett Packard Enterprise Development LP<BR>
-SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#ifndef _UEFI_BOOT_MANAGER_LIB_H_
-#define _UEFI_BOOT_MANAGER_LIB_H_
-
-#include <Protocol/DriverHealth.h>
-#include <Library/SortLib.h>
-
-//
-// Boot Manager load option library functions.
-//
-
-//
-// Load Option Type
-//
-typedef enum {
- LoadOptionTypeDriver,
- LoadOptionTypeSysPrep,
- LoadOptionTypeBoot,
- LoadOptionTypePlatformRecovery,
- LoadOptionTypeMax
-} EFI_BOOT_MANAGER_LOAD_OPTION_TYPE;
-
-typedef enum {
- LoadOptionNumberMax = 0x10000,
- LoadOptionNumberUnassigned = LoadOptionNumberMax
-} EFI_BOOT_MANAGER_LOAD_OPTION_NUMBER;
-
-//
-// Common structure definition for DriverOption and BootOption
-//
-typedef struct {
- //
- // Data read from UEFI NV variables
- //
- UINTN OptionNumber; // #### numerical value, could be LoadOptionNumberUnassigned
- EFI_BOOT_MANAGER_LOAD_OPTION_TYPE OptionType; // LoadOptionTypeBoot or LoadOptionTypeDriver
- UINT32 Attributes; // Load Option Attributes
- CHAR16 *Description; // Load Option Description
- EFI_DEVICE_PATH_PROTOCOL *FilePath; // Load Option Device Path
- UINT8 *OptionalData; // Load Option optional data to pass into image
- UINT32 OptionalDataSize; // Load Option size of OptionalData
- EFI_GUID VendorGuid;
-
- //
- // Used at runtime
- //
- EFI_STATUS Status; // Status returned from boot attempt gBS->StartImage ()
- CHAR16 *ExitData; // Exit data returned from gBS->StartImage ()
- UINTN ExitDataSize; // Size of ExitData
-} EFI_BOOT_MANAGER_LOAD_OPTION;
-
-/**
- Returns an array of load options based on the EFI variable
- L"BootOrder"/L"DriverOrder" and the L"Boot####"/L"Driver####" variables impled by it.
- #### is the hex value of the UINT16 in each BootOrder/DriverOrder entry.
-
- @param LoadOptionCount Returns number of entries in the array.
- @param LoadOptionType The type of the load option.
-
- @retval NULL No load options exist.
- @retval !NULL Array of load option entries.
-
-**/
-EFI_BOOT_MANAGER_LOAD_OPTION *
-EFIAPI
-EfiBootManagerGetLoadOptions (
- OUT UINTN *LoadOptionCount,
- IN EFI_BOOT_MANAGER_LOAD_OPTION_TYPE LoadOptionType
- );
-
-/**
- Free an array of load options returned from EfiBootManagerGetLoadOptions().
-
- @param LoadOptions Pointer to the array of load options to free.
- @param LoadOptionCount Number of array entries in LoadOptions.
-
- @return EFI_SUCCESS LoadOptions was freed.
- @return EFI_INVALID_PARAMETER LoadOptions is NULL.
-**/
-EFI_STATUS
-EFIAPI
-EfiBootManagerFreeLoadOptions (
- IN EFI_BOOT_MANAGER_LOAD_OPTION *LoadOptions,
- IN UINTN LoadOptionCount
- );
-
-/**
- Initialize a load option.
-
- @param Option Pointer to the load option to be initialized.
- @param OptionNumber Option number of the load option.
- @param OptionType Type of the load option.
- @param Attributes Attributes of the load option.
- @param Description Description of the load option.
- @param FilePath Device path of the load option.
- @param OptionalData Optional data of the load option.
- @param OptionalDataSize Size of the optional data of the load option.
-
- @retval EFI_SUCCESS The load option was initialized successfully.
- @retval EFI_INVALID_PARAMETER Option, Description or FilePath is NULL.
-**/
-EFI_STATUS
-EFIAPI
-EfiBootManagerInitializeLoadOption (
- IN OUT EFI_BOOT_MANAGER_LOAD_OPTION *Option,
- IN UINTN OptionNumber,
- IN EFI_BOOT_MANAGER_LOAD_OPTION_TYPE OptionType,
- IN UINT32 Attributes,
- IN CHAR16 *Description,
- IN EFI_DEVICE_PATH_PROTOCOL *FilePath,
- IN UINT8 *OptionalData,
- IN UINT32 OptionalDataSize
- );
-
-/**
- Free a load option created by EfiBootManagerInitializeLoadOption()
- or EfiBootManagerVariableToLoadOption().
-
- @param LoadOption Pointer to the load option to free.
- CONCERN: Check Boot#### instead of BootOrder, optimize, spec clarify
- @return EFI_SUCCESS LoadOption was freed.
- @return EFI_INVALID_PARAMETER LoadOption is NULL.
-
-**/
-EFI_STATUS
-EFIAPI
-EfiBootManagerFreeLoadOption (
- IN EFI_BOOT_MANAGER_LOAD_OPTION *LoadOption
- );
-
-/**
- Initialize the load option from the VariableName.
-
- @param VariableName EFI Variable name which could be Boot#### or
- Driver####
- @param LoadOption Pointer to the load option to be initialized
-
- @retval EFI_SUCCESS The option was created
- @retval EFI_INVALID_PARAMETER VariableName or LoadOption is NULL.
- @retval EFI_NOT_FOUND The variable specified by VariableName cannot be found.
-**/
-EFI_STATUS
-EFIAPI
-EfiBootManagerVariableToLoadOption (
- IN CHAR16 *VariableName,
- IN OUT EFI_BOOT_MANAGER_LOAD_OPTION *LoadOption
- );
-
-/**
- Create the Boot#### or Driver#### variable from the load option.
-
- @param LoadOption Pointer to the load option.
-
- @retval EFI_SUCCESS The variable was created.
- @retval Others Error status returned by RT->SetVariable.
-**/
-EFI_STATUS
-EFIAPI
-EfiBootManagerLoadOptionToVariable (
- IN CONST EFI_BOOT_MANAGER_LOAD_OPTION *LoadOption
- );
-
-/**
- This function will register the new Boot####, Driver#### or SysPrep#### option.
- After the *#### is updated, the *Order will also be updated.
-
- @param Option Pointer to load option to add. If on input
- Option->OptionNumber is LoadOptionNumberUnassigned,
- then on output Option->OptionNumber is updated to
- the number of the new Boot####,
- Driver#### or SysPrep#### option.
- @param Position Position of the new load option to put in the ****Order variable.
-
- @retval EFI_SUCCESS The *#### have been successfully registered.
- @retval EFI_INVALID_PARAMETER The option number exceeds 0xFFFF.
- @retval EFI_ALREADY_STARTED The option number of Option is being used already.
- Note: this API only adds new load option, no replacement support.
- @retval EFI_OUT_OF_RESOURCES There is no free option number that can be used when the
- option number specified in the Option is LoadOptionNumberUnassigned.
- @return Status codes of gRT->SetVariable ().
-
-**/
-EFI_STATUS
-EFIAPI
-EfiBootManagerAddLoadOptionVariable (
- IN OUT EFI_BOOT_MANAGER_LOAD_OPTION *Option,
- IN UINTN Position
- );
-
-/**
- Delete the load option according to the OptionNumber and OptionType.
-
- Only the BootOrder/DriverOrder is updated to remove the reference of the OptionNumber.
-
- @param OptionNumber Option number of the load option.
- @param OptionType Type of the load option.
-
- @retval EFI_NOT_FOUND The load option cannot be found.
- @retval EFI_SUCCESS The load option was deleted.
-**/
-EFI_STATUS
-EFIAPI
-EfiBootManagerDeleteLoadOptionVariable (
- IN UINTN OptionNumber,
- IN EFI_BOOT_MANAGER_LOAD_OPTION_TYPE OptionType
- );
-
-/**
- Sort the load options. The DriverOrder/BootOrder variables will be re-created to
- reflect the new order.
-
- @param OptionType The type of the load option.
- @param CompareFunction The comparator function pointer.
-**/
-VOID
-EFIAPI
-EfiBootManagerSortLoadOptionVariable (
- IN EFI_BOOT_MANAGER_LOAD_OPTION_TYPE OptionType,
- IN SORT_COMPARE CompareFunction
- );
-
-/**
- Return the index of the load option in the load option array.
-
- The function consider two load options are equal when the
- OptionType, Attributes, Description, FilePath and OptionalData are equal.
-
- @param Key Pointer to the load option to be found.
- @param Array Pointer to the array of load options to be found.
- @param Count Number of entries in the Array.
-
- @retval -1 Key wasn't found in the Array.
- @retval 0 ~ Count-1 The index of the Key in the Array.
-**/
-INTN
-EFIAPI
-EfiBootManagerFindLoadOption (
- IN CONST EFI_BOOT_MANAGER_LOAD_OPTION *Key,
- IN CONST EFI_BOOT_MANAGER_LOAD_OPTION *Array,
- IN UINTN Count
- );
-
-//
-// Boot Manager hot key library functions.
-//
-
-#pragma pack(1)
-///
-/// EFI Key Option.
-///
-typedef struct {
- ///
- /// Specifies options about how the key will be processed.
- ///
- EFI_BOOT_KEY_DATA KeyData;
- ///
- /// The CRC-32 which should match the CRC-32 of the entire EFI_LOAD_OPTION to
- /// which BootOption refers. If the CRC-32s do not match this value, then this key
- /// option is ignored.
- ///
- UINT32 BootOptionCrc;
- ///
- /// The Boot#### option which will be invoked if this key is pressed and the boot option
- /// is active (LOAD_OPTION_ACTIVE is set).
- ///
- UINT16 BootOption;
- ///
- /// The key codes to compare against those returned by the
- /// EFI_SIMPLE_TEXT_INPUT and EFI_SIMPLE_TEXT_INPUT_EX protocols.
- /// The number of key codes (0-3) is specified by the EFI_KEY_CODE_COUNT field in KeyOptions.
- ///
- EFI_INPUT_KEY Keys[3];
- UINT16 OptionNumber;
-} EFI_BOOT_MANAGER_KEY_OPTION;
-#pragma pack()
-
-/**
- Start the hot key service so that the key press can trigger the boot option.
-
- @param HotkeyTriggered Return the waitable event and it will be signaled
- when a valid hot key is pressed.
-
- @retval EFI_SUCCESS The hot key service is started.
-**/
-EFI_STATUS
-EFIAPI
-EfiBootManagerStartHotkeyService (
- IN EFI_EVENT *HotkeyTriggered
- );
-
-//
-// Modifier for EfiBootManagerAddKeyOptionVariable and EfiBootManagerDeleteKeyOptionVariable
-//
-#define EFI_BOOT_MANAGER_SHIFT_PRESSED 0x00000001
-#define EFI_BOOT_MANAGER_CONTROL_PRESSED 0x00000002
-#define EFI_BOOT_MANAGER_ALT_PRESSED 0x00000004
-#define EFI_BOOT_MANAGER_LOGO_PRESSED 0x00000008
-#define EFI_BOOT_MANAGER_MENU_KEY_PRESSED 0x00000010
-#define EFI_BOOT_MANAGER_SYS_REQ_PRESSED 0x00000020
-
-/**
- Add the key option.
- It adds the key option variable and the key option takes affect immediately.
-
- @param AddedOption Return the added key option.
- @param BootOptionNumber The boot option number for the key option.
- @param Modifier Key shift state.
- @param ... Parameter list of pointer of EFI_INPUT_KEY.
-
- @retval EFI_SUCCESS The key option is added.
- @retval EFI_ALREADY_STARTED The hot key is already used by certain key option.
-**/
-EFI_STATUS
-EFIAPI
-EfiBootManagerAddKeyOptionVariable (
- OUT EFI_BOOT_MANAGER_KEY_OPTION *AddedOption OPTIONAL,
- IN UINT16 BootOptionNumber,
- IN UINT32 Modifier,
- ...
- );
-
-/**
- Delete the Key Option variable and unregister the hot key
-
- @param DeletedOption Return the deleted key options.
- @param Modifier Key shift state.
- @param ... Parameter list of pointer of EFI_INPUT_KEY.
-
- @retval EFI_SUCCESS The key option is deleted.
- @retval EFI_NOT_FOUND The key option cannot be found.
-**/
-EFI_STATUS
-EFIAPI
-EfiBootManagerDeleteKeyOptionVariable (
- IN EFI_BOOT_MANAGER_KEY_OPTION *DeletedOption OPTIONAL,
- IN UINT32 Modifier,
- ...
- );
-
-/**
- Register the key option to exit the waiting of the Boot Manager timeout.
- Platform should ensure that the continue key option isn't conflict with
- other boot key options.
-
- @param Modifier Key shift state.
- @param ... Parameter list of pointer of EFI_INPUT_KEY.
-
- @retval EFI_SUCCESS Successfully register the continue key option.
- @retval EFI_ALREADY_STARTED The continue key option is already registered.
-**/
-EFI_STATUS
-EFIAPI
-EfiBootManagerRegisterContinueKeyOption (
- IN UINT32 Modifier,
- ...
- );
-
-/**
- Try to boot the boot option triggered by hot key.
-**/
-VOID
-EFIAPI
-EfiBootManagerHotkeyBoot (
- VOID
- );
-
-//
-// Boot Manager boot library functions.
-//
-
-/**
- The function creates boot options for all possible bootable medias in the following order:
- 1. Removable BlockIo - The boot option only points to the removable media
- device, like USB key, DVD, Floppy etc.
- 2. Fixed BlockIo - The boot option only points to a Fixed blockIo device,
- like HardDisk.
- 3. Non-BlockIo SimpleFileSystem - The boot option points to a device supporting
- SimpleFileSystem Protocol, but not supporting BlockIo
- protocol.
- 4. LoadFile - The boot option points to the media supporting
- LoadFile protocol.
- Reference: UEFI Spec chapter 3.3 Boot Option Variables Default Boot Behavior
-
- The function won't delete the boot option not added by itself.
-**/
-VOID
-EFIAPI
-EfiBootManagerRefreshAllBootOption (
- VOID
- );
-
-/**
- Attempt to boot the EFI boot option. This routine sets L"BootCurent" and
- signals the EFI ready to boot event. If the device path for the option starts
- with a BBS device path a legacy boot is attempted. Short form device paths are
- also supported via this rountine. A device path starting with
- MEDIA_HARDDRIVE_DP, MSG_USB_WWID_DP, MSG_USB_CLASS_DP gets expaned out
- to find the first device that matches. If the BootOption Device Path
- fails the removable media boot algorithm is attempted (\EFI\BOOTIA32.EFI,
- \EFI\BOOTX64.EFI,... only one file type is tried per processor type)
-
- @param BootOption Boot Option to try and boot.
- On return, BootOption->Status contains the boot status:
- EFI_SUCCESS BootOption was booted
- EFI_UNSUPPORTED BootOption isn't supported.
- EFI_NOT_FOUND The BootOption was not found on the system
- Others BootOption failed with this error status
-
-**/
-VOID
-EFIAPI
-EfiBootManagerBoot (
- IN EFI_BOOT_MANAGER_LOAD_OPTION *BootOption
- );
-
-/**
- Return the boot option corresponding to the Boot Manager Menu.
- It may automatically create one if the boot option hasn't been created yet.
-
- @param BootOption Return the Boot Manager Menu.
-
- @retval EFI_SUCCESS The Boot Manager Menu is successfully returned.
- @retval EFI_NOT_FOUND The Boot Manager Menu cannot be found.
- @retval others Return status of gRT->SetVariable (). BootOption still points
- to the Boot Manager Menu even the Status is not EFI_SUCCESS
- and EFI_NOT_FOUND.
-**/
-EFI_STATUS
-EFIAPI
-EfiBootManagerGetBootManagerMenu (
- EFI_BOOT_MANAGER_LOAD_OPTION *BootOption
- );
-
-/**
- Get the next possible full path pointing to the load option.
- The routine doesn't guarantee the returned full path points to an existing
- file, and it also doesn't guarantee the existing file is a valid load option.
- BmGetNextLoadOptionBuffer() guarantees.
-
- @param FilePath The device path pointing to a load option.
- It could be a short-form device path.
- @param FullPath The full path returned by the routine in last call.
- Set to NULL in first call.
-
- @return The next possible full path pointing to the load option.
- Caller is responsible to free the memory.
-**/
-EFI_DEVICE_PATH_PROTOCOL *
-EFIAPI
-EfiBootManagerGetNextLoadOptionDevicePath (
- IN EFI_DEVICE_PATH_PROTOCOL *FilePath,
- IN EFI_DEVICE_PATH_PROTOCOL *FullPath
- );
-
-/**
- Get the load option by its device path.
-
- @param FilePath The device path pointing to a load option.
- It could be a short-form device path.
- @param FullPath Return the full device path of the load option after
- short-form device path expanding.
- Caller is responsible to free it.
- @param FileSize Return the load option size.
-
- @return The load option buffer. Caller is responsible to free the memory.
-**/
-VOID *
-EFIAPI
-EfiBootManagerGetLoadOptionBuffer (
- IN EFI_DEVICE_PATH_PROTOCOL *FilePath,
- OUT EFI_DEVICE_PATH_PROTOCOL **FullPath,
- OUT UINTN *FileSize
- );
-
-/**
- The function enumerates all the legacy boot options, creates them and
- registers them in the BootOrder variable.
-**/
-typedef
-VOID
-(EFIAPI *EFI_BOOT_MANAGER_REFRESH_LEGACY_BOOT_OPTION)(
- VOID
- );
-
-/**
- The function boots a legacy boot option.
-**/
-typedef
-VOID
-(EFIAPI *EFI_BOOT_MANAGER_LEGACY_BOOT)(
- IN EFI_BOOT_MANAGER_LOAD_OPTION *BootOption
- );
-
-/**
- The function registers the legacy boot support capabilities.
-
- @param RefreshLegacyBootOption The function pointer to create all the legacy boot options.
- @param LegacyBoot The function pointer to boot the legacy boot option.
-**/
-VOID
-EFIAPI
-EfiBootManagerRegisterLegacyBootSupport (
- EFI_BOOT_MANAGER_REFRESH_LEGACY_BOOT_OPTION RefreshLegacyBootOption,
- EFI_BOOT_MANAGER_LEGACY_BOOT LegacyBoot
- );
-
-/**
- Return the platform provided boot option description for the controller.
-
- @param Handle Controller handle.
- @param DefaultDescription Default boot description provided by core.
-
- @return The callee allocated description string
- or NULL if the handler wants to use DefaultDescription.
-**/
-typedef
-CHAR16 *
-(EFIAPI *EFI_BOOT_MANAGER_BOOT_DESCRIPTION_HANDLER)(
- IN EFI_HANDLE Handle,
- IN CONST CHAR16 *DefaultDescription
- );
-
-/**
- Register the platform provided boot description handler.
-
- @param Handler The platform provided boot description handler
-
- @retval EFI_SUCCESS The handler was registered successfully.
- @retval EFI_ALREADY_STARTED The handler was already registered.
- @retval EFI_OUT_OF_RESOURCES There is not enough resource to perform the registration.
-**/
-EFI_STATUS
-EFIAPI
-EfiBootManagerRegisterBootDescriptionHandler (
- IN EFI_BOOT_MANAGER_BOOT_DESCRIPTION_HANDLER Handler
- );
-
-//
-// Boot Manager connect and disconnect library functions
-//
-
-/**
- This function will connect all the system driver to controller
- first, and then special connect the default console, this make
- sure all the system controller available and the platform default
- console connected.
-**/
-VOID
-EFIAPI
-EfiBootManagerConnectAll (
- VOID
- );
-
-/**
- This function will create all handles associate with every device
- path node. If the handle associate with one device path node can not
- be created successfully, then still give chance to do the dispatch,
- which load the missing drivers if possible.
-
- @param DevicePathToConnect The device path which will be connected, it can be
- a multi-instance device path
- @param MatchingHandle Return the controller handle closest to the DevicePathToConnect
-
- @retval EFI_SUCCESS All handles associate with every device path node
- have been created.
- @retval EFI_OUT_OF_RESOURCES There is no resource to create new handles.
- @retval EFI_NOT_FOUND Create the handle associate with one device path
- node failed.
- @retval EFI_SECURITY_VIOLATION The user has no permission to start UEFI device
- drivers on the DevicePath.
-**/
-EFI_STATUS
-EFIAPI
-EfiBootManagerConnectDevicePath (
- IN EFI_DEVICE_PATH_PROTOCOL *DevicePathToConnect,
- OUT EFI_HANDLE *MatchingHandle OPTIONAL
- );
-
-/**
- This function will disconnect all current system handles.
-
- gBS->DisconnectController() is invoked for each handle exists in system handle buffer.
- If handle is a bus type handle, all childrens also are disconnected recursively by
- gBS->DisconnectController().
-**/
-VOID
-EFIAPI
-EfiBootManagerDisconnectAll (
- VOID
- );
-
-//
-// Boot Manager console library functions
-//
-
-typedef enum {
- ConIn,
- ConOut,
- ErrOut,
- ConInDev,
- ConOutDev,
- ErrOutDev,
- ConsoleTypeMax
-} CONSOLE_TYPE;
-
-/**
- This function will connect all the console devices base on the console
- device variable ConIn, ConOut and ErrOut.
-
- @retval EFI_DEVICE_ERROR All the consoles were not connected due to an error.
- @retval EFI_SUCCESS Success connect any one instance of the console
- device path base on the variable ConVarName.
-**/
-EFI_STATUS
-EFIAPI
-EfiBootManagerConnectAllDefaultConsoles (
- VOID
- );
-
-/**
- This function updates the console variable based on ConVarName. It can
- add or remove one specific console device path from the variable
-
- @param ConsoleType ConIn, ConOut, ErrOut, ConInDev, ConOutDev or ErrOutDev.
- @param CustomizedConDevicePath The console device path to be added to
- the console variable. Cannot be multi-instance.
- @param ExclusiveDevicePath The console device path to be removed
- from the console variable. Cannot be multi-instance.
-
- @retval EFI_UNSUPPORTED The added device path is the same as a removed one.
- @retval EFI_SUCCESS Successfully added or removed the device path from the
- console variable.
-
-**/
-EFI_STATUS
-EFIAPI
-EfiBootManagerUpdateConsoleVariable (
- IN CONSOLE_TYPE ConsoleType,
- IN EFI_DEVICE_PATH_PROTOCOL *CustomizedConDevicePath,
- IN EFI_DEVICE_PATH_PROTOCOL *ExclusiveDevicePath
- );
-
-/**
- Connect the console device base on the variable ConVarName, if
- device path of the ConVarName is multi-instance device path, if
- anyone of the instances is connected success, then this function
- will return success.
-
- @param ConsoleType ConIn, ConOut or ErrOut.
-
- @retval EFI_NOT_FOUND There is not any console devices connected
- success
- @retval EFI_SUCCESS Success connect any one instance of the console
- device path base on the variable ConVarName.
-
-**/
-EFI_STATUS
-EFIAPI
-EfiBootManagerConnectConsoleVariable (
- IN CONSOLE_TYPE ConsoleType
- );
-
-/**
- Query all the children of VideoController and return the device paths of all the
- children that support GraphicsOutput protocol.
-
- @param VideoController PCI handle of video controller.
-
- @return Device paths of all the children that support GraphicsOutput protocol.
-**/
-EFI_DEVICE_PATH_PROTOCOL *
-EFIAPI
-EfiBootManagerGetGopDevicePath (
- IN EFI_HANDLE VideoController
- );
-
-/**
- Connect the platform active active video controller.
-
- @param VideoController PCI handle of video controller.
-
- @retval EFI_NOT_FOUND There is no active video controller.
- @retval EFI_SUCCESS The video controller is connected.
-**/
-EFI_STATUS
-EFIAPI
-EfiBootManagerConnectVideoController (
- EFI_HANDLE VideoController OPTIONAL
- );
-
-//
-// Boot Manager driver health library functions.
-//
-
-typedef struct {
- EFI_DRIVER_HEALTH_PROTOCOL *DriverHealth;
-
- ///
- /// Driver relative handles
- ///
- EFI_HANDLE DriverHealthHandle;
- EFI_HANDLE ControllerHandle;
- EFI_HANDLE ChildHandle;
-
- ///
- /// Driver health messages of the specify Driver
- ///
- EFI_DRIVER_HEALTH_HII_MESSAGE *MessageList;
-
- ///
- /// HII relative handles
- ///
- EFI_HII_HANDLE HiiHandle;
-
- ///
- /// Driver Health status
- ///
- EFI_DRIVER_HEALTH_STATUS HealthStatus;
-} EFI_BOOT_MANAGER_DRIVER_HEALTH_INFO;
-
-/**
- Return all the Driver Health information.
-
- When the cumulative health status of all the controllers managed by the
- driver who produces the EFI_DRIVER_HEALTH_PROTOCOL is healthy, only one
- EFI_BOOT_MANAGER_DRIVER_HEALTH_INFO entry is created for such
- EFI_DRIVER_HEALTH_PROTOCOL instance.
- Otherwise, every controller creates one EFI_BOOT_MANAGER_DRIVER_HEALTH_INFO
- entry. Additionally every child controller creates one
- EFI_BOOT_MANAGER_DRIVER_HEALTH_INFO entry if the driver is a bus driver.
-
- @param Count Return the count of the Driver Health information.
-
- @retval NULL No Driver Health information is returned.
- @retval !NULL Pointer to the Driver Health information array.
-**/
-EFI_BOOT_MANAGER_DRIVER_HEALTH_INFO *
-EFIAPI
-EfiBootManagerGetDriverHealthInfo (
- UINTN *Count
- );
-
-/**
- Free the Driver Health information array.
-
- @param DriverHealthInfo Pointer to array of the Driver Health information.
- @param Count Count of the array.
-
- @retval EFI_SUCCESS The array is freed.
- @retval EFI_INVALID_PARAMETER The array is NULL.
-**/
-EFI_STATUS
-EFIAPI
-EfiBootManagerFreeDriverHealthInfo (
- EFI_BOOT_MANAGER_DRIVER_HEALTH_INFO *DriverHealthInfo,
- UINTN Count
- );
-
-/**
- Process (load and execute) the load option.
-
- @param LoadOption Pointer to the load option.
-
- @retval EFI_INVALID_PARAMETER The load option type is invalid,
- or the load option file path doesn't point to a valid file.
- @retval EFI_UNSUPPORTED The load option type is of LoadOptionTypeBoot.
- @retval EFI_SUCCESS The load option is inactive, or successfully loaded and executed.
-**/
-EFI_STATUS
-EFIAPI
-EfiBootManagerProcessLoadOption (
- EFI_BOOT_MANAGER_LOAD_OPTION *LoadOption
- );
-
-/**
- Check whether the VariableName is a valid load option variable name
- and return the load option type and option number.
-
- @param VariableName The name of the load option variable.
- @param OptionType Return the load option type.
- @param OptionNumber Return the load option number.
-
- @retval TRUE The variable name is valid; The load option type and
- load option number are returned.
- @retval FALSE The variable name is NOT valid.
-**/
-BOOLEAN
-EFIAPI
-EfiBootManagerIsValidLoadOptionVariableName (
- IN CHAR16 *VariableName,
- OUT EFI_BOOT_MANAGER_LOAD_OPTION_TYPE *OptionType OPTIONAL,
- OUT UINT16 *OptionNumber OPTIONAL
- );
-
-/**
- Dispatch the deferred images that are returned from all DeferredImageLoad instances.
-
- @retval EFI_SUCCESS At least one deferred image is loaded successfully and started.
- @retval EFI_NOT_FOUND There is no deferred image.
- @retval EFI_ACCESS_DENIED There are deferred images but all of them are failed to load.
-**/
-EFI_STATUS
-EFIAPI
-EfiBootManagerDispatchDeferredImages (
- VOID
- );
-
-#endif
+/** @file
+ Provide Boot Manager related library APIs.
+
+Copyright (c) 2011 - 2019, Intel Corporation. All rights reserved.<BR>
+(C) Copyright 2015-2016 Hewlett Packard Enterprise Development LP<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef _UEFI_BOOT_MANAGER_LIB_H_
+#define _UEFI_BOOT_MANAGER_LIB_H_
+
+#include <Protocol/DriverHealth.h>
+#include <Library/SortLib.h>
+
+//
+// Boot Manager load option library functions.
+//
+
+//
+// Load Option Type
+//
+typedef enum {
+ LoadOptionTypeDriver,
+ LoadOptionTypeSysPrep,
+ LoadOptionTypeBoot,
+ LoadOptionTypePlatformRecovery,
+ LoadOptionTypeMax
+} EFI_BOOT_MANAGER_LOAD_OPTION_TYPE;
+
+typedef enum {
+ LoadOptionNumberMax = 0x10000,
+ LoadOptionNumberUnassigned = LoadOptionNumberMax
+} EFI_BOOT_MANAGER_LOAD_OPTION_NUMBER;
+
+//
+// Common structure definition for DriverOption and BootOption
+//
+typedef struct {
+ //
+ // Data read from UEFI NV variables
+ //
+ UINTN OptionNumber; // #### numerical value, could be LoadOptionNumberUnassigned
+ EFI_BOOT_MANAGER_LOAD_OPTION_TYPE OptionType; // LoadOptionTypeBoot or LoadOptionTypeDriver
+ UINT32 Attributes; // Load Option Attributes
+ CHAR16 *Description; // Load Option Description
+ EFI_DEVICE_PATH_PROTOCOL *FilePath; // Load Option Device Path
+ UINT8 *OptionalData; // Load Option optional data to pass into image
+ UINT32 OptionalDataSize; // Load Option size of OptionalData
+ EFI_GUID VendorGuid;
+
+ //
+ // Used at runtime
+ //
+ EFI_STATUS Status; // Status returned from boot attempt gBS->StartImage ()
+ CHAR16 *ExitData; // Exit data returned from gBS->StartImage ()
+ UINTN ExitDataSize; // Size of ExitData
+} EFI_BOOT_MANAGER_LOAD_OPTION;
+
+/**
+ Returns an array of load options based on the EFI variable
+ L"BootOrder"/L"DriverOrder" and the L"Boot####"/L"Driver####" variables impled by it.
+ #### is the hex value of the UINT16 in each BootOrder/DriverOrder entry.
+
+ @param LoadOptionCount Returns number of entries in the array.
+ @param LoadOptionType The type of the load option.
+
+ @retval NULL No load options exist.
+ @retval !NULL Array of load option entries.
+
+**/
+EFI_BOOT_MANAGER_LOAD_OPTION *
+EFIAPI
+EfiBootManagerGetLoadOptions (
+ OUT UINTN *LoadOptionCount,
+ IN EFI_BOOT_MANAGER_LOAD_OPTION_TYPE LoadOptionType
+ );
+
+/**
+ Free an array of load options returned from EfiBootManagerGetLoadOptions().
+
+ @param LoadOptions Pointer to the array of load options to free.
+ @param LoadOptionCount Number of array entries in LoadOptions.
+
+ @return EFI_SUCCESS LoadOptions was freed.
+ @return EFI_INVALID_PARAMETER LoadOptions is NULL.
+**/
+EFI_STATUS
+EFIAPI
+EfiBootManagerFreeLoadOptions (
+ IN EFI_BOOT_MANAGER_LOAD_OPTION *LoadOptions,
+ IN UINTN LoadOptionCount
+ );
+
+/**
+ Initialize a load option.
+
+ @param Option Pointer to the load option to be initialized.
+ @param OptionNumber Option number of the load option.
+ @param OptionType Type of the load option.
+ @param Attributes Attributes of the load option.
+ @param Description Description of the load option.
+ @param FilePath Device path of the load option.
+ @param OptionalData Optional data of the load option.
+ @param OptionalDataSize Size of the optional data of the load option.
+
+ @retval EFI_SUCCESS The load option was initialized successfully.
+ @retval EFI_INVALID_PARAMETER Option, Description or FilePath is NULL.
+**/
+EFI_STATUS
+EFIAPI
+EfiBootManagerInitializeLoadOption (
+ IN OUT EFI_BOOT_MANAGER_LOAD_OPTION *Option,
+ IN UINTN OptionNumber,
+ IN EFI_BOOT_MANAGER_LOAD_OPTION_TYPE OptionType,
+ IN UINT32 Attributes,
+ IN CHAR16 *Description,
+ IN EFI_DEVICE_PATH_PROTOCOL *FilePath,
+ IN UINT8 *OptionalData,
+ IN UINT32 OptionalDataSize
+ );
+
+/**
+ Free a load option created by EfiBootManagerInitializeLoadOption()
+ or EfiBootManagerVariableToLoadOption().
+
+ @param LoadOption Pointer to the load option to free.
+ CONCERN: Check Boot#### instead of BootOrder, optimize, spec clarify
+ @return EFI_SUCCESS LoadOption was freed.
+ @return EFI_INVALID_PARAMETER LoadOption is NULL.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiBootManagerFreeLoadOption (
+ IN EFI_BOOT_MANAGER_LOAD_OPTION *LoadOption
+ );
+
+/**
+ Initialize the load option from the VariableName.
+
+ @param VariableName EFI Variable name which could be Boot#### or
+ Driver####
+ @param LoadOption Pointer to the load option to be initialized
+
+ @retval EFI_SUCCESS The option was created
+ @retval EFI_INVALID_PARAMETER VariableName or LoadOption is NULL.
+ @retval EFI_NOT_FOUND The variable specified by VariableName cannot be found.
+**/
+EFI_STATUS
+EFIAPI
+EfiBootManagerVariableToLoadOption (
+ IN CHAR16 *VariableName,
+ IN OUT EFI_BOOT_MANAGER_LOAD_OPTION *LoadOption
+ );
+
+/**
+ Create the Boot#### or Driver#### variable from the load option.
+
+ @param LoadOption Pointer to the load option.
+
+ @retval EFI_SUCCESS The variable was created.
+ @retval Others Error status returned by RT->SetVariable.
+**/
+EFI_STATUS
+EFIAPI
+EfiBootManagerLoadOptionToVariable (
+ IN CONST EFI_BOOT_MANAGER_LOAD_OPTION *LoadOption
+ );
+
+/**
+ This function will register the new Boot####, Driver#### or SysPrep#### option.
+ After the *#### is updated, the *Order will also be updated.
+
+ @param Option Pointer to load option to add. If on input
+ Option->OptionNumber is LoadOptionNumberUnassigned,
+ then on output Option->OptionNumber is updated to
+ the number of the new Boot####,
+ Driver#### or SysPrep#### option.
+ @param Position Position of the new load option to put in the ****Order variable.
+
+ @retval EFI_SUCCESS The *#### have been successfully registered.
+ @retval EFI_INVALID_PARAMETER The option number exceeds 0xFFFF.
+ @retval EFI_ALREADY_STARTED The option number of Option is being used already.
+ Note: this API only adds new load option, no replacement support.
+ @retval EFI_OUT_OF_RESOURCES There is no free option number that can be used when the
+ option number specified in the Option is LoadOptionNumberUnassigned.
+ @return Status codes of gRT->SetVariable ().
+
+**/
+EFI_STATUS
+EFIAPI
+EfiBootManagerAddLoadOptionVariable (
+ IN OUT EFI_BOOT_MANAGER_LOAD_OPTION *Option,
+ IN UINTN Position
+ );
+
+/**
+ Delete the load option according to the OptionNumber and OptionType.
+
+ Only the BootOrder/DriverOrder is updated to remove the reference of the OptionNumber.
+
+ @param OptionNumber Option number of the load option.
+ @param OptionType Type of the load option.
+
+ @retval EFI_NOT_FOUND The load option cannot be found.
+ @retval EFI_SUCCESS The load option was deleted.
+**/
+EFI_STATUS
+EFIAPI
+EfiBootManagerDeleteLoadOptionVariable (
+ IN UINTN OptionNumber,
+ IN EFI_BOOT_MANAGER_LOAD_OPTION_TYPE OptionType
+ );
+
+/**
+ Sort the load options. The DriverOrder/BootOrder variables will be re-created to
+ reflect the new order.
+
+ @param OptionType The type of the load option.
+ @param CompareFunction The comparator function pointer.
+**/
+VOID
+EFIAPI
+EfiBootManagerSortLoadOptionVariable (
+ IN EFI_BOOT_MANAGER_LOAD_OPTION_TYPE OptionType,
+ IN SORT_COMPARE CompareFunction
+ );
+
+/**
+ Return the index of the load option in the load option array.
+
+ The function consider two load options are equal when the
+ OptionType, Attributes, Description, FilePath and OptionalData are equal.
+
+ @param Key Pointer to the load option to be found.
+ @param Array Pointer to the array of load options to be found.
+ @param Count Number of entries in the Array.
+
+ @retval -1 Key wasn't found in the Array.
+ @retval 0 ~ Count-1 The index of the Key in the Array.
+**/
+INTN
+EFIAPI
+EfiBootManagerFindLoadOption (
+ IN CONST EFI_BOOT_MANAGER_LOAD_OPTION *Key,
+ IN CONST EFI_BOOT_MANAGER_LOAD_OPTION *Array,
+ IN UINTN Count
+ );
+
+//
+// Boot Manager hot key library functions.
+//
+
+#pragma pack(1)
+///
+/// EFI Key Option.
+///
+typedef struct {
+ ///
+ /// Specifies options about how the key will be processed.
+ ///
+ EFI_BOOT_KEY_DATA KeyData;
+ ///
+ /// The CRC-32 which should match the CRC-32 of the entire EFI_LOAD_OPTION to
+ /// which BootOption refers. If the CRC-32s do not match this value, then this key
+ /// option is ignored.
+ ///
+ UINT32 BootOptionCrc;
+ ///
+ /// The Boot#### option which will be invoked if this key is pressed and the boot option
+ /// is active (LOAD_OPTION_ACTIVE is set).
+ ///
+ UINT16 BootOption;
+ ///
+ /// The key codes to compare against those returned by the
+ /// EFI_SIMPLE_TEXT_INPUT and EFI_SIMPLE_TEXT_INPUT_EX protocols.
+ /// The number of key codes (0-3) is specified by the EFI_KEY_CODE_COUNT field in KeyOptions.
+ ///
+ EFI_INPUT_KEY Keys[3];
+ UINT16 OptionNumber;
+} EFI_BOOT_MANAGER_KEY_OPTION;
+#pragma pack()
+
+/**
+ Start the hot key service so that the key press can trigger the boot option.
+
+ @param HotkeyTriggered Return the waitable event and it will be signaled
+ when a valid hot key is pressed.
+
+ @retval EFI_SUCCESS The hot key service is started.
+**/
+EFI_STATUS
+EFIAPI
+EfiBootManagerStartHotkeyService (
+ IN EFI_EVENT *HotkeyTriggered
+ );
+
+//
+// Modifier for EfiBootManagerAddKeyOptionVariable and EfiBootManagerDeleteKeyOptionVariable
+//
+#define EFI_BOOT_MANAGER_SHIFT_PRESSED 0x00000001
+#define EFI_BOOT_MANAGER_CONTROL_PRESSED 0x00000002
+#define EFI_BOOT_MANAGER_ALT_PRESSED 0x00000004
+#define EFI_BOOT_MANAGER_LOGO_PRESSED 0x00000008
+#define EFI_BOOT_MANAGER_MENU_KEY_PRESSED 0x00000010
+#define EFI_BOOT_MANAGER_SYS_REQ_PRESSED 0x00000020
+
+/**
+ Add the key option.
+ It adds the key option variable and the key option takes affect immediately.
+
+ @param AddedOption Return the added key option.
+ @param BootOptionNumber The boot option number for the key option.
+ @param Modifier Key shift state.
+ @param ... Parameter list of pointer of EFI_INPUT_KEY.
+
+ @retval EFI_SUCCESS The key option is added.
+ @retval EFI_ALREADY_STARTED The hot key is already used by certain key option.
+**/
+EFI_STATUS
+EFIAPI
+EfiBootManagerAddKeyOptionVariable (
+ OUT EFI_BOOT_MANAGER_KEY_OPTION *AddedOption OPTIONAL,
+ IN UINT16 BootOptionNumber,
+ IN UINT32 Modifier,
+ ...
+ );
+
+/**
+ Delete the Key Option variable and unregister the hot key
+
+ @param DeletedOption Return the deleted key options.
+ @param Modifier Key shift state.
+ @param ... Parameter list of pointer of EFI_INPUT_KEY.
+
+ @retval EFI_SUCCESS The key option is deleted.
+ @retval EFI_NOT_FOUND The key option cannot be found.
+**/
+EFI_STATUS
+EFIAPI
+EfiBootManagerDeleteKeyOptionVariable (
+ IN EFI_BOOT_MANAGER_KEY_OPTION *DeletedOption OPTIONAL,
+ IN UINT32 Modifier,
+ ...
+ );
+
+/**
+ Register the key option to exit the waiting of the Boot Manager timeout.
+ Platform should ensure that the continue key option isn't conflict with
+ other boot key options.
+
+ @param Modifier Key shift state.
+ @param ... Parameter list of pointer of EFI_INPUT_KEY.
+
+ @retval EFI_SUCCESS Successfully register the continue key option.
+ @retval EFI_ALREADY_STARTED The continue key option is already registered.
+**/
+EFI_STATUS
+EFIAPI
+EfiBootManagerRegisterContinueKeyOption (
+ IN UINT32 Modifier,
+ ...
+ );
+
+/**
+ Try to boot the boot option triggered by hot key.
+**/
+VOID
+EFIAPI
+EfiBootManagerHotkeyBoot (
+ VOID
+ );
+
+//
+// Boot Manager boot library functions.
+//
+
+/**
+ The function creates boot options for all possible bootable medias in the following order:
+ 1. Removable BlockIo - The boot option only points to the removable media
+ device, like USB key, DVD, Floppy etc.
+ 2. Fixed BlockIo - The boot option only points to a Fixed blockIo device,
+ like HardDisk.
+ 3. Non-BlockIo SimpleFileSystem - The boot option points to a device supporting
+ SimpleFileSystem Protocol, but not supporting BlockIo
+ protocol.
+ 4. LoadFile - The boot option points to the media supporting
+ LoadFile protocol.
+ Reference: UEFI Spec chapter 3.3 Boot Option Variables Default Boot Behavior
+
+ The function won't delete the boot option not added by itself.
+**/
+VOID
+EFIAPI
+EfiBootManagerRefreshAllBootOption (
+ VOID
+ );
+
+/**
+ Attempt to boot the EFI boot option. This routine sets L"BootCurent" and
+ signals the EFI ready to boot event. If the device path for the option starts
+ with a BBS device path a legacy boot is attempted. Short form device paths are
+ also supported via this rountine. A device path starting with
+ MEDIA_HARDDRIVE_DP, MSG_USB_WWID_DP, MSG_USB_CLASS_DP gets expaned out
+ to find the first device that matches. If the BootOption Device Path
+ fails the removable media boot algorithm is attempted (\EFI\BOOTIA32.EFI,
+ \EFI\BOOTX64.EFI,... only one file type is tried per processor type)
+
+ @param BootOption Boot Option to try and boot.
+ On return, BootOption->Status contains the boot status:
+ EFI_SUCCESS BootOption was booted
+ EFI_UNSUPPORTED BootOption isn't supported.
+ EFI_NOT_FOUND The BootOption was not found on the system
+ Others BootOption failed with this error status
+
+**/
+VOID
+EFIAPI
+EfiBootManagerBoot (
+ IN EFI_BOOT_MANAGER_LOAD_OPTION *BootOption
+ );
+
+/**
+ Return the boot option corresponding to the Boot Manager Menu.
+ It may automatically create one if the boot option hasn't been created yet.
+
+ @param BootOption Return the Boot Manager Menu.
+
+ @retval EFI_SUCCESS The Boot Manager Menu is successfully returned.
+ @retval EFI_NOT_FOUND The Boot Manager Menu cannot be found.
+ @retval others Return status of gRT->SetVariable (). BootOption still points
+ to the Boot Manager Menu even the Status is not EFI_SUCCESS
+ and EFI_NOT_FOUND.
+**/
+EFI_STATUS
+EFIAPI
+EfiBootManagerGetBootManagerMenu (
+ EFI_BOOT_MANAGER_LOAD_OPTION *BootOption
+ );
+
+/**
+ Get the next possible full path pointing to the load option.
+ The routine doesn't guarantee the returned full path points to an existing
+ file, and it also doesn't guarantee the existing file is a valid load option.
+ BmGetNextLoadOptionBuffer() guarantees.
+
+ @param FilePath The device path pointing to a load option.
+ It could be a short-form device path.
+ @param FullPath The full path returned by the routine in last call.
+ Set to NULL in first call.
+
+ @return The next possible full path pointing to the load option.
+ Caller is responsible to free the memory.
+**/
+EFI_DEVICE_PATH_PROTOCOL *
+EFIAPI
+EfiBootManagerGetNextLoadOptionDevicePath (
+ IN EFI_DEVICE_PATH_PROTOCOL *FilePath,
+ IN EFI_DEVICE_PATH_PROTOCOL *FullPath
+ );
+
+/**
+ Get the load option by its device path.
+
+ @param FilePath The device path pointing to a load option.
+ It could be a short-form device path.
+ @param FullPath Return the full device path of the load option after
+ short-form device path expanding.
+ Caller is responsible to free it.
+ @param FileSize Return the load option size.
+
+ @return The load option buffer. Caller is responsible to free the memory.
+**/
+VOID *
+EFIAPI
+EfiBootManagerGetLoadOptionBuffer (
+ IN EFI_DEVICE_PATH_PROTOCOL *FilePath,
+ OUT EFI_DEVICE_PATH_PROTOCOL **FullPath,
+ OUT UINTN *FileSize
+ );
+
+/**
+ The function enumerates all the legacy boot options, creates them and
+ registers them in the BootOrder variable.
+**/
+typedef
+VOID
+(EFIAPI *EFI_BOOT_MANAGER_REFRESH_LEGACY_BOOT_OPTION)(
+ VOID
+ );
+
+/**
+ The function boots a legacy boot option.
+**/
+typedef
+VOID
+(EFIAPI *EFI_BOOT_MANAGER_LEGACY_BOOT)(
+ IN EFI_BOOT_MANAGER_LOAD_OPTION *BootOption
+ );
+
+/**
+ The function registers the legacy boot support capabilities.
+
+ @param RefreshLegacyBootOption The function pointer to create all the legacy boot options.
+ @param LegacyBoot The function pointer to boot the legacy boot option.
+**/
+VOID
+EFIAPI
+EfiBootManagerRegisterLegacyBootSupport (
+ EFI_BOOT_MANAGER_REFRESH_LEGACY_BOOT_OPTION RefreshLegacyBootOption,
+ EFI_BOOT_MANAGER_LEGACY_BOOT LegacyBoot
+ );
+
+/**
+ Return the platform provided boot option description for the controller.
+
+ @param Handle Controller handle.
+ @param DefaultDescription Default boot description provided by core.
+
+ @return The callee allocated description string
+ or NULL if the handler wants to use DefaultDescription.
+**/
+typedef
+CHAR16 *
+(EFIAPI *EFI_BOOT_MANAGER_BOOT_DESCRIPTION_HANDLER)(
+ IN EFI_HANDLE Handle,
+ IN CONST CHAR16 *DefaultDescription
+ );
+
+/**
+ Register the platform provided boot description handler.
+
+ @param Handler The platform provided boot description handler
+
+ @retval EFI_SUCCESS The handler was registered successfully.
+ @retval EFI_ALREADY_STARTED The handler was already registered.
+ @retval EFI_OUT_OF_RESOURCES There is not enough resource to perform the registration.
+**/
+EFI_STATUS
+EFIAPI
+EfiBootManagerRegisterBootDescriptionHandler (
+ IN EFI_BOOT_MANAGER_BOOT_DESCRIPTION_HANDLER Handler
+ );
+
+//
+// Boot Manager connect and disconnect library functions
+//
+
+/**
+ This function will connect all the system driver to controller
+ first, and then special connect the default console, this make
+ sure all the system controller available and the platform default
+ console connected.
+**/
+VOID
+EFIAPI
+EfiBootManagerConnectAll (
+ VOID
+ );
+
+/**
+ This function will create all handles associate with every device
+ path node. If the handle associate with one device path node can not
+ be created successfully, then still give chance to do the dispatch,
+ which load the missing drivers if possible.
+
+ @param DevicePathToConnect The device path which will be connected, it can be
+ a multi-instance device path
+ @param MatchingHandle Return the controller handle closest to the DevicePathToConnect
+
+ @retval EFI_SUCCESS All handles associate with every device path node
+ have been created.
+ @retval EFI_OUT_OF_RESOURCES There is no resource to create new handles.
+ @retval EFI_NOT_FOUND Create the handle associate with one device path
+ node failed.
+ @retval EFI_SECURITY_VIOLATION The user has no permission to start UEFI device
+ drivers on the DevicePath.
+**/
+EFI_STATUS
+EFIAPI
+EfiBootManagerConnectDevicePath (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePathToConnect,
+ OUT EFI_HANDLE *MatchingHandle OPTIONAL
+ );
+
+/**
+ This function will disconnect all current system handles.
+
+ gBS->DisconnectController() is invoked for each handle exists in system handle buffer.
+ If handle is a bus type handle, all childrens also are disconnected recursively by
+ gBS->DisconnectController().
+**/
+VOID
+EFIAPI
+EfiBootManagerDisconnectAll (
+ VOID
+ );
+
+//
+// Boot Manager console library functions
+//
+
+typedef enum {
+ ConIn,
+ ConOut,
+ ErrOut,
+ ConInDev,
+ ConOutDev,
+ ErrOutDev,
+ ConsoleTypeMax
+} CONSOLE_TYPE;
+
+/**
+ This function will connect all the console devices base on the console
+ device variable ConIn, ConOut and ErrOut.
+
+ @retval EFI_DEVICE_ERROR All the consoles were not connected due to an error.
+ @retval EFI_SUCCESS Success connect any one instance of the console
+ device path base on the variable ConVarName.
+**/
+EFI_STATUS
+EFIAPI
+EfiBootManagerConnectAllDefaultConsoles (
+ VOID
+ );
+
+/**
+ This function updates the console variable based on ConVarName. It can
+ add or remove one specific console device path from the variable
+
+ @param ConsoleType ConIn, ConOut, ErrOut, ConInDev, ConOutDev or ErrOutDev.
+ @param CustomizedConDevicePath The console device path to be added to
+ the console variable. Cannot be multi-instance.
+ @param ExclusiveDevicePath The console device path to be removed
+ from the console variable. Cannot be multi-instance.
+
+ @retval EFI_UNSUPPORTED The added device path is the same as a removed one.
+ @retval EFI_SUCCESS Successfully added or removed the device path from the
+ console variable.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiBootManagerUpdateConsoleVariable (
+ IN CONSOLE_TYPE ConsoleType,
+ IN EFI_DEVICE_PATH_PROTOCOL *CustomizedConDevicePath,
+ IN EFI_DEVICE_PATH_PROTOCOL *ExclusiveDevicePath
+ );
+
+/**
+ Connect the console device base on the variable ConVarName, if
+ device path of the ConVarName is multi-instance device path, if
+ anyone of the instances is connected success, then this function
+ will return success.
+
+ @param ConsoleType ConIn, ConOut or ErrOut.
+
+ @retval EFI_NOT_FOUND There is not any console devices connected
+ success
+ @retval EFI_SUCCESS Success connect any one instance of the console
+ device path base on the variable ConVarName.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiBootManagerConnectConsoleVariable (
+ IN CONSOLE_TYPE ConsoleType
+ );
+
+/**
+ Query all the children of VideoController and return the device paths of all the
+ children that support GraphicsOutput protocol.
+
+ @param VideoController PCI handle of video controller.
+
+ @return Device paths of all the children that support GraphicsOutput protocol.
+**/
+EFI_DEVICE_PATH_PROTOCOL *
+EFIAPI
+EfiBootManagerGetGopDevicePath (
+ IN EFI_HANDLE VideoController
+ );
+
+/**
+ Connect the platform active active video controller.
+
+ @param VideoController PCI handle of video controller.
+
+ @retval EFI_NOT_FOUND There is no active video controller.
+ @retval EFI_SUCCESS The video controller is connected.
+**/
+EFI_STATUS
+EFIAPI
+EfiBootManagerConnectVideoController (
+ EFI_HANDLE VideoController OPTIONAL
+ );
+
+//
+// Boot Manager driver health library functions.
+//
+
+typedef struct {
+ EFI_DRIVER_HEALTH_PROTOCOL *DriverHealth;
+
+ ///
+ /// Driver relative handles
+ ///
+ EFI_HANDLE DriverHealthHandle;
+ EFI_HANDLE ControllerHandle;
+ EFI_HANDLE ChildHandle;
+
+ ///
+ /// Driver health messages of the specify Driver
+ ///
+ EFI_DRIVER_HEALTH_HII_MESSAGE *MessageList;
+
+ ///
+ /// HII relative handles
+ ///
+ EFI_HII_HANDLE HiiHandle;
+
+ ///
+ /// Driver Health status
+ ///
+ EFI_DRIVER_HEALTH_STATUS HealthStatus;
+} EFI_BOOT_MANAGER_DRIVER_HEALTH_INFO;
+
+/**
+ Return all the Driver Health information.
+
+ When the cumulative health status of all the controllers managed by the
+ driver who produces the EFI_DRIVER_HEALTH_PROTOCOL is healthy, only one
+ EFI_BOOT_MANAGER_DRIVER_HEALTH_INFO entry is created for such
+ EFI_DRIVER_HEALTH_PROTOCOL instance.
+ Otherwise, every controller creates one EFI_BOOT_MANAGER_DRIVER_HEALTH_INFO
+ entry. Additionally every child controller creates one
+ EFI_BOOT_MANAGER_DRIVER_HEALTH_INFO entry if the driver is a bus driver.
+
+ @param Count Return the count of the Driver Health information.
+
+ @retval NULL No Driver Health information is returned.
+ @retval !NULL Pointer to the Driver Health information array.
+**/
+EFI_BOOT_MANAGER_DRIVER_HEALTH_INFO *
+EFIAPI
+EfiBootManagerGetDriverHealthInfo (
+ UINTN *Count
+ );
+
+/**
+ Free the Driver Health information array.
+
+ @param DriverHealthInfo Pointer to array of the Driver Health information.
+ @param Count Count of the array.
+
+ @retval EFI_SUCCESS The array is freed.
+ @retval EFI_INVALID_PARAMETER The array is NULL.
+**/
+EFI_STATUS
+EFIAPI
+EfiBootManagerFreeDriverHealthInfo (
+ EFI_BOOT_MANAGER_DRIVER_HEALTH_INFO *DriverHealthInfo,
+ UINTN Count
+ );
+
+/**
+ Process (load and execute) the load option.
+
+ @param LoadOption Pointer to the load option.
+
+ @retval EFI_INVALID_PARAMETER The load option type is invalid,
+ or the load option file path doesn't point to a valid file.
+ @retval EFI_UNSUPPORTED The load option type is of LoadOptionTypeBoot.
+ @retval EFI_SUCCESS The load option is inactive, or successfully loaded and executed.
+**/
+EFI_STATUS
+EFIAPI
+EfiBootManagerProcessLoadOption (
+ EFI_BOOT_MANAGER_LOAD_OPTION *LoadOption
+ );
+
+/**
+ Check whether the VariableName is a valid load option variable name
+ and return the load option type and option number.
+
+ @param VariableName The name of the load option variable.
+ @param OptionType Return the load option type.
+ @param OptionNumber Return the load option number.
+
+ @retval TRUE The variable name is valid; The load option type and
+ load option number are returned.
+ @retval FALSE The variable name is NOT valid.
+**/
+BOOLEAN
+EFIAPI
+EfiBootManagerIsValidLoadOptionVariableName (
+ IN CHAR16 *VariableName,
+ OUT EFI_BOOT_MANAGER_LOAD_OPTION_TYPE *OptionType OPTIONAL,
+ OUT UINT16 *OptionNumber OPTIONAL
+ );
+
+/**
+ Dispatch the deferred images that are returned from all DeferredImageLoad instances.
+
+ @retval EFI_SUCCESS At least one deferred image is loaded successfully and started.
+ @retval EFI_NOT_FOUND There is no deferred image.
+ @retval EFI_ACCESS_DENIED There are deferred images but all of them are failed to load.
+**/
+EFI_STATUS
+EFIAPI
+EfiBootManagerDispatchDeferredImages (
+ VOID
+ );
+
+#endif
generated by cgit v1.2.3 (git 2.39.0) at 2026-09-08 23:10:20 +0300