diff options
| author | klu2 <klu2@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-02-24 15:53:05 +0000 |
|---|---|---|
| committer | klu2 <klu2@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-02-24 15:53:05 +0000 |
| commit | ddac74d1760c8fbaf613249e17b160a00d25328e (patch) | |
| tree | d89f8bf192b1767f8c831d84aadf3662cbb7e9ef /IntelFrameworkModulePkg/Include/Library/GenericBdsLib.h | |
| parent | 9b4efc6c0c3ffa5c6b00b444555d433d50a0e241 (diff) | |
| download | edk2-platforms-ddac74d1760c8fbaf613249e17b160a00d25328e.tar.xz | |
Move library class GenericBdsLib and PlatformBdsLib to IntelFrameworkModulePkg
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7657 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'IntelFrameworkModulePkg/Include/Library/GenericBdsLib.h')
| -rw-r--r-- | IntelFrameworkModulePkg/Include/Library/GenericBdsLib.h | 1106 |
1 files changed, 1106 insertions, 0 deletions
diff --git a/IntelFrameworkModulePkg/Include/Library/GenericBdsLib.h b/IntelFrameworkModulePkg/Include/Library/GenericBdsLib.h new file mode 100644 index 0000000000..a57fe6c8b4 --- /dev/null +++ b/IntelFrameworkModulePkg/Include/Library/GenericBdsLib.h @@ -0,0 +1,1106 @@ +/** @file
+ Generic BDS library definition, include the data structure and function.
+
+Copyright (c) 2004 - 2008, Intel Corporation. <BR>
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef _GENERIC_BDS_LIB_H_
+#define _GENERIC_BDS_LIB_H_
+
+#include <Protocol/HiiDatabase.h>
+#include <IndustryStandard/PeImage.h>
+
+
+extern EFI_HANDLE mBdsImageHandle;
+
+//
+// Constants which are variable names used to access variables
+//
+#define VAR_LEGACY_DEV_ORDER L"LegacyDevOrder"
+
+//
+// Data structures and defines
+//
+#define FRONT_PAGE_QUESTION_ID 0x0000
+#define FRONT_PAGE_DATA_WIDTH 0x01
+
+//
+// ConnectType
+//
+#define CONSOLE_OUT 0x00000001
+#define STD_ERROR 0x00000002
+#define CONSOLE_IN 0x00000004
+#define CONSOLE_ALL (CONSOLE_OUT | CONSOLE_IN | STD_ERROR)
+
+//
+// Load Option Attributes defined in EFI Specification
+//
+#define LOAD_OPTION_ACTIVE 0x00000001
+#define LOAD_OPTION_FORCE_RECONNECT 0x00000002
+
+#define LOAD_OPTION_HIDDEN 0x00000008
+#define LOAD_OPTION_CATEGORY 0x00001F00
+
+#define LOAD_OPTION_CATEGORY_BOOT 0x00000000
+#define LOAD_OPTION_CATEGORY_APP 0x00000100
+
+#define EFI_BOOT_OPTION_SUPPORT_KEY 0x00000001
+#define EFI_BOOT_OPTION_SUPPORT_APP 0x00000002
+
+#define IS_LOAD_OPTION_TYPE(_c, _Mask) (BOOLEAN) (((_c) & (_Mask)) != 0)
+
+//
+// Define Maxmim characters that will be accepted
+//
+#define MAX_CHAR 480
+#define MAX_CHAR_SIZE (MAX_CHAR * 2)
+
+#define MIN_ALIGNMENT_SIZE 4
+#define ALIGN_SIZE(a) ((a % MIN_ALIGNMENT_SIZE) ? MIN_ALIGNMENT_SIZE - (a % MIN_ALIGNMENT_SIZE) : 0)
+
+//
+// Define maximum characters for boot option variable "BootXXXX"
+//
+#define BOOT_OPTION_MAX_CHAR 10
+
+//
+// This data structure is the part of BDS_CONNECT_ENTRY that we can hard code.
+//
+#define BDS_LOAD_OPTION_SIGNATURE SIGNATURE_32 ('B', 'd', 'C', 'O')
+
+typedef struct {
+
+ UINTN Signature;
+ LIST_ENTRY Link;
+
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+
+ CHAR16 *OptionName;
+ UINTN OptionNumber;
+ UINT16 BootCurrent;
+ UINT32 Attribute;
+ CHAR16 *Description;
+ VOID *LoadOptions;
+ UINT32 LoadOptionsSize;
+ CHAR16 *StatusString;
+
+} BDS_COMMON_OPTION;
+
+typedef struct {
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ UINTN ConnectType;
+} BDS_CONSOLE_CONNECT_ENTRY;
+
+//
+// Lib Functions
+//
+
+//
+// Bds boot related lib functions
+//
+/**
+ Boot from the UEFI spec defined "BootNext" variable.
+
+**/
+VOID
+EFIAPI
+BdsLibBootNext (
+ VOID
+ );
+
+/**
+ Process the boot option follow the UEFI specification and
+ special treat the legacy boot option with BBS_DEVICE_PATH.
+
+ @param Option The boot option need to be processed
+ @param DevicePath The device path which describe where to load the
+ boot image or the legcy BBS device path to boot
+ the legacy OS
+ @param ExitDataSize The size of exit data.
+ @param ExitData Data returned when Boot image failed.
+
+ @retval EFI_SUCCESS Boot from the input boot option successfully.
+ @retval EFI_NOT_FOUND If the Device Path is not found in the system
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibBootViaBootOption (
+ IN BDS_COMMON_OPTION * Option,
+ IN EFI_DEVICE_PATH_PROTOCOL * DevicePath,
+ OUT UINTN *ExitDataSize,
+ OUT CHAR16 **ExitData OPTIONAL
+ );
+
+
+/**
+ This function will enumerate all possible boot device in the system,
+ it will only excute once of every boot.
+
+ @param BdsBootOptionList The header of the link list which indexed all
+ current boot options
+
+ @retval EFI_SUCCESS Finished all the boot device enumerate and create
+ the boot option base on that boot device
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibEnumerateAllBootOption (
+ IN OUT LIST_ENTRY *BdsBootOptionList
+ );
+
+/**
+ Build the boot option with the handle parsed in
+
+ @param Handle The handle which present the device path to create
+ boot option
+ @param BdsBootOptionList The header of the link list which indexed all
+ current boot options
+ @param String The description of the boot option.
+
+**/
+VOID
+EFIAPI
+BdsLibBuildOptionFromHandle (
+ IN EFI_HANDLE Handle,
+ IN LIST_ENTRY *BdsBootOptionList,
+ IN CHAR16 *String
+ );
+
+
+/**
+ Build the on flash shell boot option with the handle parsed in.
+
+ @param Handle The handle which present the device path to create
+ on flash shell boot option
+ @param BdsBootOptionList The header of the link list which indexed all
+ current boot options
+
+**/
+VOID
+EFIAPI
+BdsLibBuildOptionFromShell (
+ IN EFI_HANDLE Handle,
+ IN OUT LIST_ENTRY *BdsBootOptionList
+ );
+
+//
+// Bds misc lib functions
+//
+/**
+ Return the default value for system Timeout variable.
+
+ @return Timeout value.
+
+**/
+UINT16
+EFIAPI
+BdsLibGetTimeout (
+ VOID
+ );
+
+/**
+ Get boot mode by looking up configuration table and parsing HOB list
+
+ @param BootMode Boot mode from PEI handoff HOB.
+
+ @retval EFI_SUCCESS Successfully get boot mode
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibGetBootMode (
+ OUT EFI_BOOT_MODE *BootMode
+ );
+
+
+/**
+ The function will go through the driver optoin link list, load and start
+ every driver the driver optoin device path point to.
+
+ @param BdsDriverLists The header of the current driver option link list
+
+**/
+VOID
+EFIAPI
+BdsLibLoadDrivers (
+ IN LIST_ENTRY *BdsDriverLists
+ );
+
+
+/**
+ Process BootOrder, or DriverOrder variables, by calling
+ BdsLibVariableToOption () for each UINT16 in the variables.
+
+ @param BdsCommonOptionList The header of the option list base on variable
+ VariableName
+ @param VariableName EFI Variable name indicate the BootOrder or
+ DriverOrder
+
+ @retval EFI_SUCCESS Success create the boot option or driver option
+ list
+ @retval EFI_OUT_OF_RESOURCES Failed to get the boot option or driver option list
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibBuildOptionFromVar (
+ IN LIST_ENTRY *BdsCommonOptionList,
+ IN CHAR16 *VariableName
+ );
+
+/**
+ Read the EFI variable (VendorGuid/Name) and return a dynamically allocated
+ buffer, and the size of the buffer. If failure return NULL.
+
+ @param Name String part of EFI variable name
+ @param VendorGuid GUID part of EFI variable name
+ @param VariableSize Returns the size of the EFI variable that was read
+
+ @return Dynamically allocated memory that contains a copy of the EFI variable
+ Caller is responsible freeing the buffer.
+ @retval NULL Variable was not read
+
+**/
+VOID *
+EFIAPI
+BdsLibGetVariableAndSize (
+ IN CHAR16 *Name,
+ IN EFI_GUID *VendorGuid,
+ OUT UINTN *VariableSize
+ );
+
+
+/**
+ This function prints a series of strings.
+
+ @param ConOut Pointer to EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL
+ @param ... A variable argument list containing series of
+ strings, the last string must be NULL.
+
+ @retval EFI_SUCCESS Success print out the string using ConOut.
+ @retval EFI_STATUS Return the status of the ConOut->OutputString ().
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibOutputStrings (
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *ConOut,
+ ...
+ );
+
+/**
+ Build the boot#### or driver#### option from the VariableName, the
+ build boot#### or driver#### will also be linked to BdsCommonOptionList.
+
+ @param BdsCommonOptionList The header of the boot#### or driver#### option
+ link list
+ @param VariableName EFI Variable name indicate if it is boot#### or
+ driver####
+
+ @retval BDS_COMMON_OPTION Get the option just been created
+ @retval NULL Failed to get the new option
+
+**/
+BDS_COMMON_OPTION *
+EFIAPI
+BdsLibVariableToOption (
+ IN OUT LIST_ENTRY *BdsCommonOptionList,
+ IN CHAR16 *VariableName
+ );
+
+/**
+ This function will register the new boot#### or driver#### option base on
+ the VariableName. The new registered boot#### or driver#### will be linked
+ to BdsOptionList and also update to the VariableName. After the boot#### or
+ driver#### updated, the BootOrder or DriverOrder will also be updated.
+
+ @param BdsOptionList The header of the boot#### or driver#### link list
+ @param DevicePath The device path which the boot#### or driver####
+ option present
+ @param String The description of the boot#### or driver####
+ @param VariableName Indicate if the boot#### or driver#### option
+
+ @retval EFI_SUCCESS The boot#### or driver#### have been success
+ registered
+ @retval EFI_STATUS Return the status of gRT->SetVariable ().
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibRegisterNewOption (
+ IN LIST_ENTRY *BdsOptionList,
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
+ IN CHAR16 *String,
+ IN CHAR16 *VariableName
+ );
+
+//
+// Bds connect or disconnect driver lib funcion
+//
+/**
+ Connects all drivers to all controllers.
+ This function make sure all the current system driver will manage
+ the correspoinding controllers if have. And at the same time, make
+ sure all the system controllers have driver to manage it if have.
+
+**/
+VOID
+EFIAPI
+BdsLibConnectAllDriversToAllControllers (
+ VOID
+ );
+
+/**
+ 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
+BdsLibConnectAll (
+ 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 success, then still give one 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
+
+ @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
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibConnectDevicePath (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePathToConnect
+ );
+
+/**
+ This function will connect all current system handles recursively. The
+ connection will finish until every handle's child handle created if it have.
+
+ @retval EFI_SUCCESS All handles and it's child handle have been
+ connected
+ @retval EFI_STATUS Return the status of gBS->LocateHandleBuffer().
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibConnectAllEfi (
+ VOID
+ );
+
+
+/**
+ This function will disconnect all current system handles. The disconnection
+ will finish until every handle have been disconnected.
+
+ @retval EFI_SUCCESS All handles have been disconnected
+ @retval EFI_STATUS Return the status of gBS->LocateHandleBuffer().
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibDisconnectAllEfi (
+ VOID
+ );
+
+//
+// Bds console related lib functions
+//
+/**
+ This function will search every simpletxt devive in current system,
+ and make every simpletxt device as pertantial console device.
+
+**/
+VOID
+EFIAPI
+BdsLibConnectAllConsoles (
+ VOID
+ );
+
+
+/**
+ This function will connect console device base on the console
+ device variable ConIn, ConOut and ErrOut.
+
+ @retval EFI_SUCCESS At least one of the ConIn and ConOut device have
+ been connected success.
+ @retval EFI_STATUS Return the status of BdsLibConnectConsoleVariable ().
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibConnectAllDefaultConsoles (
+ VOID
+ );
+
+/**
+ This function update console variable based on ConVarName, it can
+ add or remove one specific console device path from the variable
+
+ @param ConVarName Console related variable name, ConIn, ConOut,
+ ErrOut.
+ @param CustomizedConDevicePath The console device path which will be added to
+ the console variable ConVarName, this parameter
+ can not be multi-instance.
+ @param ExclusiveDevicePath The console device path which will be removed
+ from the console variable ConVarName, this
+ parameter can not be multi-instance.
+
+ @retval EFI_UNSUPPORTED The added device path is same to the removed one.
+ @retval EFI_SUCCESS Success add or remove the device path from the
+ console variable.
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibUpdateConsoleVariable (
+ IN CHAR16 *ConVarName,
+ 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 ConVarName Console related variable name, ConIn, ConOut,
+ 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
+BdsLibConnectConsoleVariable (
+ IN CHAR16 *ConVarName
+ );
+
+//
+// Bds device path related lib functions
+//
+/**
+ 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 *
+EFIAPI
+BdsLibDelPartMatchInstance (
+ IN EFI_DEVICE_PATH_PROTOCOL *Multi,
+ IN EFI_DEVICE_PATH_PROTOCOL *Single
+ );
+
+/**
+ 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
+EFIAPI
+BdsLibMatchDevicePaths (
+ IN EFI_DEVICE_PATH_PROTOCOL *Multi,
+ IN EFI_DEVICE_PATH_PROTOCOL *Single
+ );
+
+/**
+ This function converts an input device structure to a Unicode string.
+
+ @param DevPath A pointer to the device path structure.
+
+ @return A new allocated Unicode string that represents the device path.
+
+**/
+CHAR16 *
+EFIAPI
+DevicePathToStr (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevPath
+ );
+
+
+//
+// Internal definitions
+//
+typedef struct {
+ CHAR16 *str;
+ UINTN len;
+ UINTN maxlen;
+} POOL_PRINT;
+
+typedef struct {
+ UINT8 Type;
+ UINT8 SubType;
+ VOID (*Function) (POOL_PRINT *, VOID *);
+} DEVICE_PATH_STRING_TABLE;
+
+extern EFI_GUID mEfiDevicePathMessagingUartFlowControlGuid;
+
+typedef struct {
+ EFI_DEVICE_PATH_PROTOCOL Header;
+ EFI_GUID Guid;
+ UINT8 VendorDefinedData[1];
+} VENDOR_DEVICE_PATH_WITH_DATA;
+
+
+extern EFI_GUID mEfiDevicePathMessagingSASGuid;
+
+typedef struct {
+ EFI_DEVICE_PATH_PROTOCOL Header;
+ UINT16 NetworkProtocol;
+ UINT16 LoginOption;
+ UINT64 Lun;
+ UINT16 TargetPortalGroupTag;
+ CHAR16 iSCSITargetName[1];
+} ISCSI_DEVICE_PATH_WITH_NAME;
+
+
+//
+// Notes: EFI 64 shadow all option rom
+//
+#if defined (MDE_CPU_IPF)
+#define EFI64_SHADOW_ALL_LEGACY_ROM() ShadowAllOptionRom ();
+#else
+#define EFI64_SHADOW_ALL_LEGACY_ROM()
+#endif
+
+/**
+ Shadow all Legacy OptionRom.
+
+**/
+VOID
+EFIAPI
+ShadowAllOptionRom (
+ VOID
+ );
+
+//
+// BBS support macros and functions
+//
+
+#if defined(MDE_CPU_IA32) || defined(MDE_CPU_X64)
+#define REFRESH_LEGACY_BOOT_OPTIONS \
+ BdsDeleteAllInvalidLegacyBootOptions ();\
+ BdsAddNonExistingLegacyBootOptions (); \
+ BdsUpdateLegacyDevOrder ()
+#else
+#define REFRESH_LEGACY_BOOT_OPTIONS
+#endif
+
+/**
+ Delete all the invalid legacy boot options.
+
+ @retval EFI_SUCCESS All invalide legacy boot options are deleted.
+ @retval EFI_OUT_OF_RESOURCES Fail to allocate necessary memory.
+ @retval EFI_NOT_FOUND Fail to retrive variable of boot order.
+
+**/
+EFI_STATUS
+EFIAPI
+BdsDeleteAllInvalidLegacyBootOptions (
+ VOID
+ );
+
+/**
+
+ Add the legacy boot options from BBS table if they do not exist.
+
+ @retval EFI_SUCCESS The boot options are added successfully
+ or they are already in boot options.
+
+**/
+EFI_STATUS
+EFIAPI
+BdsAddNonExistingLegacyBootOptions (
+ VOID
+ );
+
+/**
+
+ Add the legacy boot devices from BBS table into
+ the legacy device boot order.
+
+ @retval EFI_SUCCESS The boot devices are added successfully.
+
+**/
+EFI_STATUS
+EFIAPI
+BdsUpdateLegacyDevOrder (
+ VOID
+ );
+
+/**
+
+ Set the boot priority for BBS entries based on boot option entry and boot order.
+
+ @param Entry The boot option is to be checked for refresh BBS table.
+
+ @retval EFI_SUCCESS The boot priority for BBS entries is refreshed successfully.
+
+**/
+EFI_STATUS
+EFIAPI
+BdsRefreshBbsTableForBoot (
+ IN BDS_COMMON_OPTION *Entry
+ );
+
+/**
+
+ Delete boot option specified by OptionNumber and adjust the boot order.
+
+ @param OptionNumber The boot option to be deleted.
+ @param BootOrder Boot order list to be adjusted by remove this boot option.
+ @param BootOrderSize The size of Boot order list will be modified.
+
+ @retval EFI_SUCCESS The boot option is deleted successfully.
+
+**/
+EFI_STATUS
+EFIAPI
+BdsDeleteBootOption (
+ IN UINTN OptionNumber,
+ IN OUT UINT16 *BootOrder,
+ IN OUT UINTN *BootOrderSize
+ );
+
+//
+//The interface functions relate with Setup Browser Reset Reminder feature
+//
+/**
+ Enable the setup browser reset reminder feature.
+ This routine is used in platform tip. If the platform policy need the feature, use the routine to enable it.
+
+**/
+VOID
+EFIAPI
+EnableResetReminderFeature (
+ VOID
+ );
+
+/**
+ Disable the setup browser reset reminder feature.
+ This routine is used in platform tip. If the platform policy do not want the feature, use the routine to disable it.
+
+**/
+VOID
+EFIAPI
+DisableResetReminderFeature (
+ VOID
+ );
+
+/**
+ Record the info that a reset is required.
+ A module boolean variable is used to record whether a reset is required.
+
+**/
+VOID
+EFIAPI
+EnableResetRequired (
+ VOID
+ );
+
+
+/**
+ Record the info that no reset is required.
+ A module boolean variable is used to record whether a reset is required.
+
+**/
+VOID
+EFIAPI
+DisableResetRequired (
+ VOID
+ );
+
+/**
+ Check whether platform policy enable the reset reminder feature. The default is enabled.
+
+**/
+BOOLEAN
+EFIAPI
+IsResetReminderFeatureEnable (
+ VOID
+ );
+
+/**
+ Check if user changed any option setting which needs a system reset to be effective.
+
+**/
+BOOLEAN
+EFIAPI
+IsResetRequired (
+ VOID
+ );
+
+/**
+ Check whether a reset is needed, and finish the reset reminder feature.
+ If a reset is needed, Popup a menu to notice user, and finish the feature
+ according to the user selection.
+
+**/
+VOID
+EFIAPI
+SetupResetReminder (
+ VOID
+ );
+
+
+/**
+ Get the headers (dos, image, optional header) from an image
+
+ @param Device SimpleFileSystem device handle
+ @param FileName File name for the image
+ @param DosHeader Pointer to dos header
+ @param Hdr The buffer in which to return the PE32, PE32+, or TE header.
+
+ @retval EFI_SUCCESS Successfully get the machine type.
+ @retval EFI_NOT_FOUND The file is not found.
+ @retval EFI_LOAD_ERROR File is not a valid image file.
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibGetImageHeader (
+ IN EFI_HANDLE Device,
+ IN CHAR16 *FileName,
+ OUT EFI_IMAGE_DOS_HEADER *DosHeader,
+ OUT EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr
+ );
+
+//
+// Define the boot type which to classify the boot option type
+// Different boot option type could have different boot behavior
+// Use their device path node (Type + SubType) as type value
+// The boot type here can be added according to requirement
+//
+//
+// ACPI boot type. For ACPI device, cannot use sub-type to distinguish device, so hardcode their value
+//
+#define BDS_EFI_ACPI_FLOPPY_BOOT 0x0201
+//
+// Message boot type
+// If a device path of boot option only point to a message node, the boot option is message boot type
+//
+#define BDS_EFI_MESSAGE_ATAPI_BOOT 0x0301 // Type 03; Sub-Type 01
+#define BDS_EFI_MESSAGE_SCSI_BOOT 0x0302 // Type 03; Sub-Type 02
+#define BDS_EFI_MESSAGE_USB_DEVICE_BOOT 0x0305 // Type 03; Sub-Type 05
+#define BDS_EFI_MESSAGE_MISC_BOOT 0x03FF
+//
+// Media boot type
+// If a device path of boot option contain a media node, the boot option is media boot type
+//
+#define BDS_EFI_MEDIA_HD_BOOT 0x0401 // Type 04; Sub-Type 01
+#define BDS_EFI_MEDIA_CDROM_BOOT 0x0402 // Type 04; Sub-Type 02
+//
+// BBS boot type
+// If a device path of boot option contain a BBS node, the boot option is BBS boot type
+//
+#define BDS_LEGACY_BBS_BOOT 0x0501 // Type 05; Sub-Type 01
+
+#define BDS_EFI_UNSUPPORT 0xFFFF
+
+//
+// USB host controller Programming Interface.
+//
+#define PCI_CLASSC_PI_UHCI 0x00
+#define PCI_CLASSC_PI_EHCI 0x20
+
+/**
+ 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
+EFIAPI
+MatchPartitionDevicePathNode (
+ IN EFI_DEVICE_PATH_PROTOCOL *BlockIoDevicePath,
+ IN HARDDRIVE_DEVICE_PATH *HardDriveDevicePath
+ );
+
+
+/**
+ Expand a device path that starts with a hard drive media device path node to be a
+ full device path that includes the full hardware path to the device. We need
+ to do this so it can be booted. As an optimizaiton the front match (the part point
+ to the partition node. E.g. ACPI() /PCI()/ATA()/Partition() ) is saved in a variable
+ so a connect all is not required on every boot. All successful history device path
+ which point to partition node (the front part) will be saved.
+
+ @param HardDriveDevicePath EFI Device Path to boot, if it starts with a hard
+ drive media device path.
+ @return A Pointer to the full device path or NULL if a valid Hard Drive devic path
+ cannot be found.
+
+**/
+EFI_DEVICE_PATH_PROTOCOL *
+EFIAPI
+BdsExpandPartitionPartialDevicePathToFull (
+ IN HARDDRIVE_DEVICE_PATH *HardDriveDevicePath
+ );
+
+/**
+ Return the bootable media handle.
+ First, check the device is connected
+ Second, check whether the device path point to a device which support SimpleFileSystemProtocol,
+ Third, detect the the default boot file in the Media, and return the removable Media handle.
+
+ @param DevicePath Device Path to a bootable device
+
+ @retval NULL The media on the DevicePath is not bootable
+
+**/
+EFI_HANDLE
+EFIAPI
+BdsLibGetBootableHandle (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
+ );
+
+
+/**
+ Check whether the Device path in a boot option point to a valide bootable device,
+ And if CheckMedia is true, check the device is ready to boot now.
+
+ @param DevPath the Device path in a boot option
+ @param CheckMedia if true, check the device is ready to boot now.
+
+ @retval TRUE the Device path is valide
+ @retval FALSE the Device path is invalide .
+
+**/
+BOOLEAN
+EFIAPI
+BdsLibIsValidEFIBootOptDevicePath (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevPath,
+ IN BOOLEAN CheckMedia
+ );
+
+/**
+ For a bootable Device path, return its boot type.
+
+ @param DevicePath The bootable device Path to check
+
+ @retval BDS_EFI_MEDIA_HD_BOOT If the device path contains any media deviec path node, it is media boot type
+ For the floppy node, handle it as media node
+ @retval BDS_EFI_MEDIA_CDROM_BOOT If the device path contains any media deviec path node, it is media boot type
+ For the floppy node, handle it as media node
+ @retval BDS_EFI_ACPI_FLOPPY_BOOT If the device path contains any media deviec path node, it is media boot type
+ For the floppy node, handle it as media node
+ @retval BDS_EFI_MESSAGE_ATAPI_BOOT If the device path not contains any media deviec path node, and
+ its last device path node point to a message device path node, it is
+
+ @retval BDS_EFI_MESSAGE_SCSI_BOOT If the device path not contains any media deviec path node, and
+ its last device path node point to a message device path node, it is
+ @retval BDS_EFI_MESSAGE_USB_DEVICE_BOOT If the device path not contains any media deviec path node, and
+ its last device path node point to a message device path node, it is
+ @retval BDS_EFI_MESSAGE_MISC_BOOT If the device path not contains any media deviec path node, and
+ its last device path node point to a message device path node, it is
+ @retval BDS_LEGACY_BBS_BOOT Legacy boot type
+ @retval BDS_EFI_UNSUPPORT An EFI Removable BlockIO device path not point to a media and message devie,
+
+**/
+UINT32
+EFIAPI
+BdsGetBootTypeFromDevicePath (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
+ );
+
+
+/**
+ This routine register a function to adjust the different type memory page number
+ just before booting and save the updated info into the variable for next boot to use.
+
+**/
+VOID
+EFIAPI
+BdsLibSaveMemoryTypeInformation (
+ VOID
+ );
+
+
+/**
+ According to a file guild, check a Fv file device path is valid. If it is invalid,
+ try to return the valid device path.
+ FV address maybe changes for memory layout adjust from time to time, use this funciton
+ could promise the Fv file device path is right.
+
+ @param DevicePath on input, the Fv file device path need to check on
+ output, the updated valid Fv file device path
+ @param FileGuid the Fv file guild
+
+ @retval EFI_INVALID_PARAMETER the input DevicePath or FileGuid is invalid
+ parameter
+ @retval EFI_UNSUPPORTED the input DevicePath does not contain Fv file
+ guild at all
+ @retval EFI_ALREADY_STARTED the input DevicePath has pointed to Fv file, it is
+ valid
+ @retval EFI_SUCCESS has successfully updated the invalid DevicePath,
+ and return the updated device path in DevicePath
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibUpdateFvFileDevicePath (
+ IN OUT EFI_DEVICE_PATH_PROTOCOL ** DevicePath,
+ IN EFI_GUID *FileGuid
+ );
+
+
+/**
+ Connect the specific Usb device which match the short form device path,
+ and whose bus is determined by Host Controller (Uhci or Ehci)
+
+ @param HostControllerPI Uhci (0x00) or Ehci (0x20) or Both uhci and ehci
+ (0xFF)
+ @param RemainingDevicePath a short-form device path that starts with the first
+ element being a USB WWID or a USB Class device
+ path
+
+ @retval EFI_SUCCESS The specific Usb device is connected successfully.
+ @retval EFI_INVALID_PARAMETER Invalid HostControllerPi (not 0x00, 0x20 or 0xFF)
+ or RemainingDevicePath is not the USB class device path.
+ @retval EFI_NOT_FOUND The device specified by device path is not found.
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibConnectUsbDevByShortFormDP(
+ IN UINT8 HostControllerPI,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ );
+
+
+//
+// The implementation of this function is provided by Platform code.
+//
+/**
+ Convert Vendor device path to device name.
+
+ @param Str The buffer store device name
+ @param DevPath Pointer to vendor device path
+
+**/
+VOID
+EFIAPI
+DevPathVendor (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ );
+
+/**
+ Concatenates a formatted unicode string to allocated pool.
+ The caller must free the resulting buffer.
+
+ @param Str Tracks the allocated pool, size in use, and amount of pool allocated.
+ @param fmt The format string
+ @param ... The data will be printed.
+
+ @return Allocated buffer with the formatted string printed in it.
+ The caller must free the allocated buffer.
+ The buffer allocation is not packed.
+
+**/
+CHAR16 *
+EFIAPI
+CatPrint (
+ IN OUT POOL_PRINT *Str,
+ IN CHAR16 *fmt,
+ ...
+ );
+
+/**
+ Use Console Control to turn off UGA based Simple Text Out consoles from going
+ to the UGA device. Put up LogoFile on every UGA device that is a console
+
+ @param[in] LogoFile File name of logo to display on the center of the screen.
+
+ @retval EFI_SUCCESS ConsoleControl has been flipped to graphics and logo displayed.
+ @retval EFI_UNSUPPORTED Logo not found
+
+**/
+EFI_STATUS
+EFIAPI
+EnableQuietBoot (
+ IN EFI_GUID *LogoFile
+ );
+
+
+/**
+ Use Console Control to turn on UGA based Simple Text Out consoles. The UGA
+ Simple Text Out screens will now be synced up with all non UGA output devices
+
+ @retval EFI_SUCCESS UGA devices are back in text mode and synced up.
+
+**/
+EFI_STATUS
+EFIAPI
+DisableQuietBoot (
+ VOID
+ );
+
+/**
+ Use Console Control Protocol to lock the Console In Spliter virtual handle.
+ This is the ConInHandle and ConIn handle in the EFI system table. All key
+ presses will be ignored until the Password is typed in. The only way to
+ disable the password is to type it in to a ConIn device.
+
+ @param Password Password used to lock ConIn device.
+
+ @retval EFI_SUCCESS lock the Console In Spliter virtual handle successfully.
+ @retval EFI_UNSUPPORTED Password not found
+
+**/
+EFI_STATUS
+EFIAPI
+LockKeyboards (
+ IN CHAR16 *Password
+ );
+
+#endif
+
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