diff options
Diffstat (limited to 'MdeModulePkg/Library/UefiBootManagerLib/InternalBm.h')
| -rw-r--r-- | MdeModulePkg/Library/UefiBootManagerLib/InternalBm.h | 936 |
1 files changed, 468 insertions, 468 deletions
diff --git a/MdeModulePkg/Library/UefiBootManagerLib/InternalBm.h b/MdeModulePkg/Library/UefiBootManagerLib/InternalBm.h index b7dfe2a7e0..2fd09312f6 100644 --- a/MdeModulePkg/Library/UefiBootManagerLib/InternalBm.h +++ b/MdeModulePkg/Library/UefiBootManagerLib/InternalBm.h @@ -1,468 +1,468 @@ -/** @file
- BDS library definition, include the file and data structure
-
-Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved.
-Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
-(C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR>
-SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#ifndef _INTERNAL_BM_H_
-#define _INTERNAL_BM_H_
-
-#include <PiDxe.h>
-
-#include <IndustryStandard/Pci.h>
-#include <IndustryStandard/PeImage.h>
-#include <IndustryStandard/Atapi.h>
-#include <IndustryStandard/Scsi.h>
-#include <IndustryStandard/Nvme.h>
-
-#include <Protocol/PciRootBridgeIo.h>
-#include <Protocol/BlockIo.h>
-#include <Protocol/LoadedImage.h>
-#include <Protocol/SimpleFileSystem.h>
-#include <Protocol/LoadFile.h>
-#include <Protocol/DevicePath.h>
-#include <Protocol/SimpleTextIn.h>
-#include <Protocol/SimpleTextInEx.h>
-#include <Protocol/SimpleTextOut.h>
-#include <Protocol/SimpleNetwork.h>
-#include <Protocol/FirmwareVolume2.h>
-#include <Protocol/PciIo.h>
-#include <Protocol/GraphicsOutput.h>
-#include <Protocol/UsbIo.h>
-#include <Protocol/DiskInfo.h>
-#include <Protocol/NvmExpressPassthru.h>
-#include <Protocol/IdeControllerInit.h>
-#include <Protocol/BootLogo.h>
-#include <Protocol/DriverHealth.h>
-#include <Protocol/FormBrowser2.h>
-#include <Protocol/RamDisk.h>
-#include <Protocol/DeferredImageLoad.h>
-#include <Protocol/PlatformBootManager.h>
-
-#include <Guid/MemoryTypeInformation.h>
-#include <Guid/FileInfo.h>
-#include <Guid/GlobalVariable.h>
-#include <Guid/StatusCodeDataTypeId.h>
-#include <Guid/StatusCodeDataTypeVariable.h>
-
-#include <Library/PrintLib.h>
-#include <Library/DebugLib.h>
-#include <Library/BaseMemoryLib.h>
-#include <Library/UefiBootServicesTableLib.h>
-#include <Library/UefiRuntimeServicesTableLib.h>
-#include <Library/UefiLib.h>
-#include <Library/MemoryAllocationLib.h>
-#include <Library/DxeServicesTableLib.h>
-#include <Library/HobLib.h>
-#include <Library/BaseLib.h>
-#include <Library/DevicePathLib.h>
-#include <Library/PerformanceLib.h>
-#include <Library/PcdLib.h>
-#include <Library/PeCoffGetEntryPointLib.h>
-#include <Library/UefiBootManagerLib.h>
-#include <Library/DxeServicesLib.h>
-#include <Library/ReportStatusCodeLib.h>
-#include <Library/CapsuleLib.h>
-#include <Library/PerformanceLib.h>
-#include <Library/HiiLib.h>
-
-#if !defined (EFI_REMOVABLE_MEDIA_FILE_NAME)
- #if defined (MDE_CPU_EBC)
-//
-// Uefi specification only defines the default boot file name for IA32, X64
-// and IPF processor, so need define boot file name for EBC architecture here.
-//
-#define EFI_REMOVABLE_MEDIA_FILE_NAME L"\\EFI\\BOOT\\BOOTEBC.EFI"
- #else
- #error "Can not determine the default boot file name for unknown processor type!"
- #endif
-#endif
-
-typedef enum {
- BmAcpiFloppyBoot,
- BmHardwareDeviceBoot,
- BmMessageAtapiBoot,
- BmMessageSataBoot,
- BmMessageUsbBoot,
- BmMessageScsiBoot,
- BmMiscBoot
-} BM_BOOT_TYPE;
-
-typedef
-CHAR16 *
-(*BM_GET_BOOT_DESCRIPTION) (
- IN EFI_HANDLE Handle
- );
-
-//
-// PlatformRecovery#### is the load option with the longest name
-//
-#define BM_OPTION_NAME_LEN sizeof ("PlatformRecovery####")
-extern CHAR16 *mBmLoadOptionName[];
-
-//
-// Maximum number of reconnect retry to repair controller; it is to limit the
-// number of recursive call of BmRepairAllControllers.
-//
-#define MAX_RECONNECT_REPAIR 10
-
-/**
- Visitor function to be called by BmForEachVariable for each variable
- in variable storage.
-
- @param Name Variable name.
- @param Guid Variable GUID.
- @param Context The same context passed to BmForEachVariable.
-**/
-typedef
-VOID
-(*BM_VARIABLE_VISITOR) (
- CHAR16 *Name,
- EFI_GUID *Guid,
- VOID *Context
- );
-
-/**
- Call Visitor function for each variable in variable storage.
-
- @param Visitor Visitor function.
- @param Context The context passed to Visitor function.
-**/
-VOID
-BmForEachVariable (
- BM_VARIABLE_VISITOR Visitor,
- VOID *Context
- );
-
-#define BM_BOOT_DESCRIPTION_ENTRY_SIGNATURE SIGNATURE_32 ('b', 'm', 'd', 'h')
-typedef struct {
- UINT32 Signature;
- LIST_ENTRY Link;
- EFI_BOOT_MANAGER_BOOT_DESCRIPTION_HANDLER Handler;
-} BM_BOOT_DESCRIPTION_ENTRY;
-
-/**
- Repair all the controllers according to the Driver Health status queried.
-
- @param ReconnectRepairCount To record the number of recursive call of
- this function itself.
-**/
-VOID
-BmRepairAllControllers (
- UINTN ReconnectRepairCount
- );
-
-#define BM_HOTKEY_SIGNATURE SIGNATURE_32 ('b', 'm', 'h', 'k')
-typedef struct {
- UINT32 Signature;
- LIST_ENTRY Link;
-
- BOOLEAN IsContinue;
- UINT16 BootOption;
- UINT8 CodeCount;
- UINT8 WaitingKey;
- EFI_KEY_DATA KeyData[3];
-} BM_HOTKEY;
-
-#define BM_HOTKEY_FROM_LINK(a) CR (a, BM_HOTKEY, Link, BM_HOTKEY_SIGNATURE)
-
-/**
- Get the Option Number that wasn't used.
-
- @param LoadOptionType Load option type.
- @param FreeOptionNumber To receive the minimal free option number.
-
- @retval EFI_SUCCESS The option number is found
- @retval EFI_OUT_OF_RESOURCES There is no free option number that can be used.
- @retval EFI_INVALID_PARAMETER FreeOptionNumber is NULL
-
-**/
-EFI_STATUS
-BmGetFreeOptionNumber (
- IN EFI_BOOT_MANAGER_LOAD_OPTION_TYPE LoadOptionType,
- OUT UINT16 *FreeOptionNumber
- );
-
-/**
- This routine adjust the memory information for different memory type and
- save them into the variables for next boot. It resets the system when
- memory information is updated and the current boot option belongs to
- boot category instead of application category. It doesn't count the
- reserved memory occupied by RAM Disk.
-
- @param Boot TRUE if current boot option belongs to boot
- category instead of application category.
-**/
-VOID
-BmSetMemoryTypeInformationVariable (
- IN BOOLEAN Boot
- );
-
-/**
- Check whether there is a instance in BlockIoDevicePath, which contain multi device path
- instances, has the same partition node with HardDriveDevicePath device path
-
- @param BlockIoDevicePath Multi device path instances which need to check
- @param HardDriveDevicePath A device path which starts with a hard drive media
- device path.
-
- @retval TRUE There is a matched device path instance.
- @retval FALSE There is no matched device path instance.
-
-**/
-BOOLEAN
-BmMatchPartitionDevicePathNode (
- IN EFI_DEVICE_PATH_PROTOCOL *BlockIoDevicePath,
- IN HARDDRIVE_DEVICE_PATH *HardDriveDevicePath
- );
-
-/**
- Connect the specific Usb device which match the short form device path.
-
- @param DevicePath A short-form device path that starts with the first
- element being a USB WWID or a USB Class device
- path
-
- @return EFI_INVALID_PARAMETER DevicePath is NULL pointer.
- DevicePath is not a USB device path.
-
- @return EFI_SUCCESS Success to connect USB device
- @return EFI_NOT_FOUND Fail to find handle for USB controller to connect.
-
-**/
-EFI_STATUS
-BmConnectUsbShortFormDevicePath (
- IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
- );
-
-/**
- Stop the hotkey processing.
-
- @param Event Event pointer related to hotkey service.
- @param Context Context pass to this function.
-**/
-VOID
-EFIAPI
-BmStopHotkeyService (
- IN EFI_EVENT Event,
- IN VOID *Context
- );
-
-/**
- Set the variable and report the error through status code upon failure.
-
- @param VariableName A Null-terminated string that is the name of the vendor's variable.
- Each VariableName is unique for each VendorGuid. VariableName must
- contain 1 or more characters. If VariableName is an empty string,
- then EFI_INVALID_PARAMETER is returned.
- @param VendorGuid A unique identifier for the vendor.
- @param Attributes Attributes bitmask to set for the variable.
- @param DataSize The size in bytes of the Data buffer. Unless the EFI_VARIABLE_APPEND_WRITE,
- or EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS attribute is set, a size of zero
- causes the variable to be deleted. When the EFI_VARIABLE_APPEND_WRITE attribute is
- set, then a SetVariable() call with a DataSize of zero will not cause any change to
- the variable value (the timestamp associated with the variable may be updated however
- even if no new data value is provided,see the description of the
- EFI_VARIABLE_AUTHENTICATION_2 descriptor below. In this case the DataSize will not
- be zero since the EFI_VARIABLE_AUTHENTICATION_2 descriptor will be populated).
- @param Data The contents for the variable.
-
- @retval EFI_SUCCESS The firmware has successfully stored the variable and its data as
- defined by the Attributes.
- @retval EFI_INVALID_PARAMETER An invalid combination of attribute bits, name, and GUID was supplied, or the
- DataSize exceeds the maximum allowed.
- @retval EFI_INVALID_PARAMETER VariableName is an empty string.
- @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the variable and its data.
- @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.
- @retval EFI_WRITE_PROTECTED The variable in question is read-only.
- @retval EFI_WRITE_PROTECTED The variable in question cannot be deleted.
- @retval EFI_SECURITY_VIOLATION The variable could not be written due to EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACESS
- being set, but the AuthInfo does NOT pass the validation check carried out by the firmware.
-
- @retval EFI_NOT_FOUND The variable trying to be updated or deleted was not found.
-**/
-EFI_STATUS
-BmSetVariableAndReportStatusCodeOnError (
- IN CHAR16 *VariableName,
- IN EFI_GUID *VendorGuid,
- IN UINT32 Attributes,
- IN UINTN DataSize,
- IN VOID *Data
- );
-
-/**
- Function compares a device path data structure to that of all the nodes of a
- second device path instance.
-
- @param Multi A pointer to a multi-instance device path data
- structure.
- @param Single A pointer to a single-instance device path data
- structure.
-
- @retval TRUE If the Single device path is contained within Multi device path.
- @retval FALSE The Single device path is not match within Multi device path.
-
-**/
-BOOLEAN
-BmMatchDevicePaths (
- IN EFI_DEVICE_PATH_PROTOCOL *Multi,
- IN EFI_DEVICE_PATH_PROTOCOL *Single
- );
-
-/**
- Delete the instance in Multi which matches partly with Single instance
-
- @param Multi A pointer to a multi-instance device path data
- structure.
- @param Single A pointer to a single-instance device path data
- structure.
-
- @return This function will remove the device path instances in Multi which partly
- match with the Single, and return the result device path. If there is no
- remaining device path as a result, this function will return NULL.
-
-**/
-EFI_DEVICE_PATH_PROTOCOL *
-BmDelPartMatchInstance (
- IN EFI_DEVICE_PATH_PROTOCOL *Multi,
- IN EFI_DEVICE_PATH_PROTOCOL *Single
- );
-
-/**
- Print the device path info.
-
- @param DevicePath The device path need to print.
-**/
-VOID
-BmPrintDp (
- EFI_DEVICE_PATH_PROTOCOL *DevicePath
- );
-
-/**
- Convert a single character to number.
- It assumes the input Char is in the scope of L'0' ~ L'9' and L'A' ~ L'F'
-
- @param Char The input char which need to convert to int.
-
- @return The converted 8-bit number or (UINTN) -1 if conversion failed.
-**/
-UINTN
-BmCharToUint (
- IN CHAR16 Char
- );
-
-/**
- Return the boot description for the controller.
-
- @param Handle Controller handle.
-
- @return The description string.
-**/
-CHAR16 *
-BmGetBootDescription (
- IN EFI_HANDLE Handle
- );
-
-/**
- Enumerate all boot option descriptions and append " 2"/" 3"/... to make
- unique description.
-
- @param BootOptions Array of boot options.
- @param BootOptionCount Count of boot options.
-**/
-VOID
-BmMakeBootOptionDescriptionUnique (
- EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions,
- UINTN BootOptionCount
- );
-
-/**
- Get the file buffer from the specified Load File instance.
-
- @param LoadFileHandle The specified Load File instance.
- @param FilePath The file path which will pass to LoadFile().
-
- @return The full device path pointing to the load option buffer.
-**/
-EFI_DEVICE_PATH_PROTOCOL *
-BmExpandLoadFile (
- IN EFI_HANDLE LoadFileHandle,
- IN EFI_DEVICE_PATH_PROTOCOL *FilePath
- );
-
-/**
- Return the RAM Disk device path created by LoadFile.
-
- @param FilePath The source file path.
-
- @return Callee-to-free RAM Disk device path
-**/
-EFI_DEVICE_PATH_PROTOCOL *
-BmGetRamDiskDevicePath (
- IN EFI_DEVICE_PATH_PROTOCOL *FilePath
- );
-
-/**
- Destroy the RAM Disk.
-
- The destroy operation includes to call RamDisk.Unregister to
- unregister the RAM DISK from RAM DISK driver, free the memory
- allocated for the RAM Disk.
-
- @param RamDiskDevicePath RAM Disk device path.
-**/
-VOID
-BmDestroyRamDisk (
- IN EFI_DEVICE_PATH_PROTOCOL *RamDiskDevicePath
- );
-
-/**
- Get the next possible full path pointing to the load option.
-
- @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 *
-BmGetNextLoadOptionDevicePath (
- IN EFI_DEVICE_PATH_PROTOCOL *FilePath,
- IN EFI_DEVICE_PATH_PROTOCOL *FullPath
- );
-
-/**
- Return the next matched load option buffer.
- The routine keeps calling BmGetNextLoadOptionDevicePath() until a valid
- load option is read.
-
- @param Type The load option type.
- It's used to check whether the load option is valid.
- When it's LoadOptionTypeMax, the routine only guarantees
- the load option is a valid PE image but doesn't guarantee
- the PE's subsystem type is valid.
- @param FilePath The device path pointing to a load option.
- It could be a short-form device path.
- @param FullPath Return the next full device path of the load option after
- short-form device path expanding.
- Caller is responsible to free it.
- NULL to return the first matched full device path.
- @param FileSize Return the load option size.
-
- @return The load option buffer. Caller is responsible to free the memory.
-**/
-VOID *
-BmGetNextLoadOptionBuffer (
- IN EFI_BOOT_MANAGER_LOAD_OPTION_TYPE Type,
- IN EFI_DEVICE_PATH_PROTOCOL *FilePath,
- OUT EFI_DEVICE_PATH_PROTOCOL **FullPath,
- OUT UINTN *FileSize
- );
-
-#endif // _INTERNAL_BM_H_
+/** @file + BDS library definition, include the file and data structure + +Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved. +Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR> +(C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef _INTERNAL_BM_H_ +#define _INTERNAL_BM_H_ + +#include <PiDxe.h> + +#include <IndustryStandard/Pci.h> +#include <IndustryStandard/PeImage.h> +#include <IndustryStandard/Atapi.h> +#include <IndustryStandard/Scsi.h> +#include <IndustryStandard/Nvme.h> + +#include <Protocol/PciRootBridgeIo.h> +#include <Protocol/BlockIo.h> +#include <Protocol/LoadedImage.h> +#include <Protocol/SimpleFileSystem.h> +#include <Protocol/LoadFile.h> +#include <Protocol/DevicePath.h> +#include <Protocol/SimpleTextIn.h> +#include <Protocol/SimpleTextInEx.h> +#include <Protocol/SimpleTextOut.h> +#include <Protocol/SimpleNetwork.h> +#include <Protocol/FirmwareVolume2.h> +#include <Protocol/PciIo.h> +#include <Protocol/GraphicsOutput.h> +#include <Protocol/UsbIo.h> +#include <Protocol/DiskInfo.h> +#include <Protocol/NvmExpressPassthru.h> +#include <Protocol/IdeControllerInit.h> +#include <Protocol/BootLogo.h> +#include <Protocol/DriverHealth.h> +#include <Protocol/FormBrowser2.h> +#include <Protocol/RamDisk.h> +#include <Protocol/DeferredImageLoad.h> +#include <Protocol/PlatformBootManager.h> + +#include <Guid/MemoryTypeInformation.h> +#include <Guid/FileInfo.h> +#include <Guid/GlobalVariable.h> +#include <Guid/StatusCodeDataTypeId.h> +#include <Guid/StatusCodeDataTypeVariable.h> + +#include <Library/PrintLib.h> +#include <Library/DebugLib.h> +#include <Library/BaseMemoryLib.h> +#include <Library/UefiBootServicesTableLib.h> +#include <Library/UefiRuntimeServicesTableLib.h> +#include <Library/UefiLib.h> +#include <Library/MemoryAllocationLib.h> +#include <Library/DxeServicesTableLib.h> +#include <Library/HobLib.h> +#include <Library/BaseLib.h> +#include <Library/DevicePathLib.h> +#include <Library/PerformanceLib.h> +#include <Library/PcdLib.h> +#include <Library/PeCoffGetEntryPointLib.h> +#include <Library/UefiBootManagerLib.h> +#include <Library/DxeServicesLib.h> +#include <Library/ReportStatusCodeLib.h> +#include <Library/CapsuleLib.h> +#include <Library/PerformanceLib.h> +#include <Library/HiiLib.h> + +#if !defined (EFI_REMOVABLE_MEDIA_FILE_NAME) + #if defined (MDE_CPU_EBC) +// +// Uefi specification only defines the default boot file name for IA32, X64 +// and IPF processor, so need define boot file name for EBC architecture here. +// +#define EFI_REMOVABLE_MEDIA_FILE_NAME L"\\EFI\\BOOT\\BOOTEBC.EFI" + #else + #error "Can not determine the default boot file name for unknown processor type!" + #endif +#endif + +typedef enum { + BmAcpiFloppyBoot, + BmHardwareDeviceBoot, + BmMessageAtapiBoot, + BmMessageSataBoot, + BmMessageUsbBoot, + BmMessageScsiBoot, + BmMiscBoot +} BM_BOOT_TYPE; + +typedef +CHAR16 * +(*BM_GET_BOOT_DESCRIPTION) ( + IN EFI_HANDLE Handle + ); + +// +// PlatformRecovery#### is the load option with the longest name +// +#define BM_OPTION_NAME_LEN sizeof ("PlatformRecovery####") +extern CHAR16 *mBmLoadOptionName[]; + +// +// Maximum number of reconnect retry to repair controller; it is to limit the +// number of recursive call of BmRepairAllControllers. +// +#define MAX_RECONNECT_REPAIR 10 + +/** + Visitor function to be called by BmForEachVariable for each variable + in variable storage. + + @param Name Variable name. + @param Guid Variable GUID. + @param Context The same context passed to BmForEachVariable. +**/ +typedef +VOID +(*BM_VARIABLE_VISITOR) ( + CHAR16 *Name, + EFI_GUID *Guid, + VOID *Context + ); + +/** + Call Visitor function for each variable in variable storage. + + @param Visitor Visitor function. + @param Context The context passed to Visitor function. +**/ +VOID +BmForEachVariable ( + BM_VARIABLE_VISITOR Visitor, + VOID *Context + ); + +#define BM_BOOT_DESCRIPTION_ENTRY_SIGNATURE SIGNATURE_32 ('b', 'm', 'd', 'h') +typedef struct { + UINT32 Signature; + LIST_ENTRY Link; + EFI_BOOT_MANAGER_BOOT_DESCRIPTION_HANDLER Handler; +} BM_BOOT_DESCRIPTION_ENTRY; + +/** + Repair all the controllers according to the Driver Health status queried. + + @param ReconnectRepairCount To record the number of recursive call of + this function itself. +**/ +VOID +BmRepairAllControllers ( + UINTN ReconnectRepairCount + ); + +#define BM_HOTKEY_SIGNATURE SIGNATURE_32 ('b', 'm', 'h', 'k') +typedef struct { + UINT32 Signature; + LIST_ENTRY Link; + + BOOLEAN IsContinue; + UINT16 BootOption; + UINT8 CodeCount; + UINT8 WaitingKey; + EFI_KEY_DATA KeyData[3]; +} BM_HOTKEY; + +#define BM_HOTKEY_FROM_LINK(a) CR (a, BM_HOTKEY, Link, BM_HOTKEY_SIGNATURE) + +/** + Get the Option Number that wasn't used. + + @param LoadOptionType Load option type. + @param FreeOptionNumber To receive the minimal free option number. + + @retval EFI_SUCCESS The option number is found + @retval EFI_OUT_OF_RESOURCES There is no free option number that can be used. + @retval EFI_INVALID_PARAMETER FreeOptionNumber is NULL + +**/ +EFI_STATUS +BmGetFreeOptionNumber ( + IN EFI_BOOT_MANAGER_LOAD_OPTION_TYPE LoadOptionType, + OUT UINT16 *FreeOptionNumber + ); + +/** + This routine adjust the memory information for different memory type and + save them into the variables for next boot. It resets the system when + memory information is updated and the current boot option belongs to + boot category instead of application category. It doesn't count the + reserved memory occupied by RAM Disk. + + @param Boot TRUE if current boot option belongs to boot + category instead of application category. +**/ +VOID +BmSetMemoryTypeInformationVariable ( + IN BOOLEAN Boot + ); + +/** + Check whether there is a instance in BlockIoDevicePath, which contain multi device path + instances, has the same partition node with HardDriveDevicePath device path + + @param BlockIoDevicePath Multi device path instances which need to check + @param HardDriveDevicePath A device path which starts with a hard drive media + device path. + + @retval TRUE There is a matched device path instance. + @retval FALSE There is no matched device path instance. + +**/ +BOOLEAN +BmMatchPartitionDevicePathNode ( + IN EFI_DEVICE_PATH_PROTOCOL *BlockIoDevicePath, + IN HARDDRIVE_DEVICE_PATH *HardDriveDevicePath + ); + +/** + Connect the specific Usb device which match the short form device path. + + @param DevicePath A short-form device path that starts with the first + element being a USB WWID or a USB Class device + path + + @return EFI_INVALID_PARAMETER DevicePath is NULL pointer. + DevicePath is not a USB device path. + + @return EFI_SUCCESS Success to connect USB device + @return EFI_NOT_FOUND Fail to find handle for USB controller to connect. + +**/ +EFI_STATUS +BmConnectUsbShortFormDevicePath ( + IN EFI_DEVICE_PATH_PROTOCOL *DevicePath + ); + +/** + Stop the hotkey processing. + + @param Event Event pointer related to hotkey service. + @param Context Context pass to this function. +**/ +VOID +EFIAPI +BmStopHotkeyService ( + IN EFI_EVENT Event, + IN VOID *Context + ); + +/** + Set the variable and report the error through status code upon failure. + + @param VariableName A Null-terminated string that is the name of the vendor's variable. + Each VariableName is unique for each VendorGuid. VariableName must + contain 1 or more characters. If VariableName is an empty string, + then EFI_INVALID_PARAMETER is returned. + @param VendorGuid A unique identifier for the vendor. + @param Attributes Attributes bitmask to set for the variable. + @param DataSize The size in bytes of the Data buffer. Unless the EFI_VARIABLE_APPEND_WRITE, + or EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS attribute is set, a size of zero + causes the variable to be deleted. When the EFI_VARIABLE_APPEND_WRITE attribute is + set, then a SetVariable() call with a DataSize of zero will not cause any change to + the variable value (the timestamp associated with the variable may be updated however + even if no new data value is provided,see the description of the + EFI_VARIABLE_AUTHENTICATION_2 descriptor below. In this case the DataSize will not + be zero since the EFI_VARIABLE_AUTHENTICATION_2 descriptor will be populated). + @param Data The contents for the variable. + + @retval EFI_SUCCESS The firmware has successfully stored the variable and its data as + defined by the Attributes. + @retval EFI_INVALID_PARAMETER An invalid combination of attribute bits, name, and GUID was supplied, or the + DataSize exceeds the maximum allowed. + @retval EFI_INVALID_PARAMETER VariableName is an empty string. + @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the variable and its data. + @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error. + @retval EFI_WRITE_PROTECTED The variable in question is read-only. + @retval EFI_WRITE_PROTECTED The variable in question cannot be deleted. + @retval EFI_SECURITY_VIOLATION The variable could not be written due to EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACESS + being set, but the AuthInfo does NOT pass the validation check carried out by the firmware. + + @retval EFI_NOT_FOUND The variable trying to be updated or deleted was not found. +**/ +EFI_STATUS +BmSetVariableAndReportStatusCodeOnError ( + IN CHAR16 *VariableName, + IN EFI_GUID *VendorGuid, + IN UINT32 Attributes, + IN UINTN DataSize, + IN VOID *Data + ); + +/** + Function compares a device path data structure to that of all the nodes of a + second device path instance. + + @param Multi A pointer to a multi-instance device path data + structure. + @param Single A pointer to a single-instance device path data + structure. + + @retval TRUE If the Single device path is contained within Multi device path. + @retval FALSE The Single device path is not match within Multi device path. + +**/ +BOOLEAN +BmMatchDevicePaths ( + IN EFI_DEVICE_PATH_PROTOCOL *Multi, + IN EFI_DEVICE_PATH_PROTOCOL *Single + ); + +/** + Delete the instance in Multi which matches partly with Single instance + + @param Multi A pointer to a multi-instance device path data + structure. + @param Single A pointer to a single-instance device path data + structure. + + @return This function will remove the device path instances in Multi which partly + match with the Single, and return the result device path. If there is no + remaining device path as a result, this function will return NULL. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +BmDelPartMatchInstance ( + IN EFI_DEVICE_PATH_PROTOCOL *Multi, + IN EFI_DEVICE_PATH_PROTOCOL *Single + ); + +/** + Print the device path info. + + @param DevicePath The device path need to print. +**/ +VOID +BmPrintDp ( + EFI_DEVICE_PATH_PROTOCOL *DevicePath + ); + +/** + Convert a single character to number. + It assumes the input Char is in the scope of L'0' ~ L'9' and L'A' ~ L'F' + + @param Char The input char which need to convert to int. + + @return The converted 8-bit number or (UINTN) -1 if conversion failed. +**/ +UINTN +BmCharToUint ( + IN CHAR16 Char + ); + +/** + Return the boot description for the controller. + + @param Handle Controller handle. + + @return The description string. +**/ +CHAR16 * +BmGetBootDescription ( + IN EFI_HANDLE Handle + ); + +/** + Enumerate all boot option descriptions and append " 2"/" 3"/... to make + unique description. + + @param BootOptions Array of boot options. + @param BootOptionCount Count of boot options. +**/ +VOID +BmMakeBootOptionDescriptionUnique ( + EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions, + UINTN BootOptionCount + ); + +/** + Get the file buffer from the specified Load File instance. + + @param LoadFileHandle The specified Load File instance. + @param FilePath The file path which will pass to LoadFile(). + + @return The full device path pointing to the load option buffer. +**/ +EFI_DEVICE_PATH_PROTOCOL * +BmExpandLoadFile ( + IN EFI_HANDLE LoadFileHandle, + IN EFI_DEVICE_PATH_PROTOCOL *FilePath + ); + +/** + Return the RAM Disk device path created by LoadFile. + + @param FilePath The source file path. + + @return Callee-to-free RAM Disk device path +**/ +EFI_DEVICE_PATH_PROTOCOL * +BmGetRamDiskDevicePath ( + IN EFI_DEVICE_PATH_PROTOCOL *FilePath + ); + +/** + Destroy the RAM Disk. + + The destroy operation includes to call RamDisk.Unregister to + unregister the RAM DISK from RAM DISK driver, free the memory + allocated for the RAM Disk. + + @param RamDiskDevicePath RAM Disk device path. +**/ +VOID +BmDestroyRamDisk ( + IN EFI_DEVICE_PATH_PROTOCOL *RamDiskDevicePath + ); + +/** + Get the next possible full path pointing to the load option. + + @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 * +BmGetNextLoadOptionDevicePath ( + IN EFI_DEVICE_PATH_PROTOCOL *FilePath, + IN EFI_DEVICE_PATH_PROTOCOL *FullPath + ); + +/** + Return the next matched load option buffer. + The routine keeps calling BmGetNextLoadOptionDevicePath() until a valid + load option is read. + + @param Type The load option type. + It's used to check whether the load option is valid. + When it's LoadOptionTypeMax, the routine only guarantees + the load option is a valid PE image but doesn't guarantee + the PE's subsystem type is valid. + @param FilePath The device path pointing to a load option. + It could be a short-form device path. + @param FullPath Return the next full device path of the load option after + short-form device path expanding. + Caller is responsible to free it. + NULL to return the first matched full device path. + @param FileSize Return the load option size. + + @return The load option buffer. Caller is responsible to free the memory. +**/ +VOID * +BmGetNextLoadOptionBuffer ( + IN EFI_BOOT_MANAGER_LOAD_OPTION_TYPE Type, + IN EFI_DEVICE_PATH_PROTOCOL *FilePath, + OUT EFI_DEVICE_PATH_PROTOCOL **FullPath, + OUT UINTN *FileSize + ); + +#endif // _INTERNAL_BM_H_ |