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Diffstat (limited to 'EDK/Foundation/Library/Dxe/Include/EfiDriverLib.h')
| -rw-r--r-- | EDK/Foundation/Library/Dxe/Include/EfiDriverLib.h | 1231 |
1 files changed, 1231 insertions, 0 deletions
diff --git a/EDK/Foundation/Library/Dxe/Include/EfiDriverLib.h b/EDK/Foundation/Library/Dxe/Include/EfiDriverLib.h new file mode 100644 index 0000000..20ba3af --- /dev/null +++ b/EDK/Foundation/Library/Dxe/Include/EfiDriverLib.h @@ -0,0 +1,1231 @@ +/*++ + +Copyright (c) 2004 - 2008, Intel Corporation +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. + +Module Name: + + EfiDriverLib.h + +Abstract: + + Light weight lib to support EFI drivers. + +--*/ + +#ifndef _EFI_DRIVER_LIB_H_ +#define _EFI_DRIVER_LIB_H_ + +#include "EfiStatusCode.h" +#include "EfiCommonLib.h" +#include "EfiPerf.h" +#include "LinkedList.h" +#include "GetImage.h" +#include "EfiImageFormat.h" +#include "EfiCompNameSupport.h" + +#include EFI_GUID_DEFINITION (DxeServices) +#include EFI_GUID_DEFINITION (EventGroup) +#include EFI_GUID_DEFINITION (EventLegacyBios) +#include EFI_GUID_DEFINITION (FrameworkDevicePath) +#include EFI_PROTOCOL_DEFINITION (FirmwareVolume) +#include EFI_PROTOCOL_DEFINITION (FirmwareVolume2) //;;## ...AMI_OVERRIDE... Support PI1.x +#include EFI_PROTOCOL_DEFINITION (DataHub) +#include EFI_PROTOCOL_DEFINITION (DriverBinding) +#include EFI_PROTOCOL_DEFINITION (ComponentName) +#include EFI_PROTOCOL_DEFINITION (ComponentName2) +#include EFI_PROTOCOL_DEFINITION (DriverConfiguration) +#include EFI_PROTOCOL_DEFINITION (DriverConfiguration2) +#include EFI_PROTOCOL_DEFINITION (DriverDiagnostics) +#include EFI_PROTOCOL_DEFINITION (DriverDiagnostics2) + +#include EFI_PROTOCOL_DEFINITION (DebugMask) + +typedef struct { + CHAR8 *Language; + CHAR16 *UnicodeString; +} EFI_UNICODE_STRING_TABLE; + +#if (EFI_SPECIFICATION_VERSION >= 0x00020000) +#define LANGUAGE_CODE_ENGLISH "en-US" +#else +#define LANGUAGE_CODE_ENGLISH "eng" +#endif + +// +// Macros for EFI Driver Library Functions that are really EFI Boot Services +// +#define EfiCopyMem(_Destination, _Source, _Length) gBS->CopyMem ((_Destination), (_Source), (_Length)) +#define EfiSetMem(_Destination, _Length, _Value) gBS->SetMem ((_Destination), (_Length), (_Value)) +#define EfiZeroMem(_Destination, _Length) gBS->SetMem ((_Destination), (_Length), 0) + +// +// Driver Lib Globals. +// +extern EFI_BOOT_SERVICES *gBS; +extern EFI_DXE_SERVICES *gDS; +extern EFI_RUNTIME_SERVICES *gRT; +extern EFI_SYSTEM_TABLE *gST; +extern UINTN gErrorLevel; +extern EFI_GUID gEfiCallerIdGuid; +extern EFI_DEBUG_MASK_PROTOCOL *gDebugMaskInterface; + +EFI_STATUS +EfiInitializeDriverLib ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) +/*++ + +Routine Description: + + Intialize Driver Lib if it has not yet been initialized. + +Arguments: + + ImageHandle - The firmware allocated handle for the EFI image. + + SystemTable - A pointer to the EFI System Table. + + +Returns: + + EFI_STATUS always returns EFI_SUCCESS + +--*/ +; + +EFI_STATUS +DxeInitializeDriverLib ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) +/*++ + +Routine Description: + + Intialize Driver Lib if it has not yet been initialized. + +Arguments: + + ImageHandle - The firmware allocated handle for the EFI image. + + SystemTable - A pointer to the EFI System Table. + +Returns: + + EFI_STATUS always returns EFI_SUCCESS + +--*/ +; + +EFI_STATUS +EfiLibInstallDriverBinding ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable, + IN EFI_DRIVER_BINDING_PROTOCOL *DriverBinding, + IN EFI_HANDLE DriverBindingHandle + ) +/*++ + +Routine Description: + + Intialize a driver by installing the Driver Binding Protocol onto the + driver's DriverBindingHandle. This is typically the same as the driver's + ImageHandle, but it can be different if the driver produces multiple + DriverBinding Protocols. This function also initializes the EFI Driver + Library that initializes the global variables gST, gBS, gRT. + +Arguments: + + ImageHandle - The image handle of the driver + + SystemTable - The EFI System Table that was passed to the driver's entry point + + DriverBinding - A Driver Binding Protocol instance that this driver is producing + + DriverBindingHandle - The handle that DriverBinding is to be installe onto. If this + parameter is NULL, then a new handle is created. + +Returns: + + EFI_SUCCESS is DriverBinding is installed onto DriverBindingHandle + + Otherwise, then return status from gBS->InstallProtocolInterface() + +--*/ +; + +EFI_STATUS +EfiLibInstallAllDriverProtocols ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable, + IN EFI_DRIVER_BINDING_PROTOCOL *DriverBinding, + IN EFI_HANDLE DriverBindingHandle, + IN EFI_COMPONENT_NAME_PROTOCOL *ComponentName, OPTIONAL + IN EFI_DRIVER_CONFIGURATION_PROTOCOL *DriverConfiguration, OPTIONAL + IN EFI_DRIVER_DIAGNOSTICS_PROTOCOL *DriverDiagnostics OPTIONAL + ) +/*++ + +Routine Description: + + Intialize a driver by installing the Driver Binding Protocol onto the + driver's DriverBindingHandle. This is typically the same as the driver's + ImageHandle, but it can be different if the driver produces multiple + DriverBinding Protocols. This function also initializes the EFI Driver + Library that initializes the global variables gST, gBS, gRT. + +Arguments: + + ImageHandle - The image handle of the driver + + SystemTable - The EFI System Table that was passed to the driver's entry point + + DriverBinding - A Driver Binding Protocol instance that this driver is producing + + DriverBindingHandle - The handle that DriverBinding is to be installe onto. If this + parameter is NULL, then a new handle is created. + + ComponentName - A Component Name Protocol instance that this driver is producing + + DriverConfiguration - A Driver Configuration Protocol instance that this driver is producing + + DriverDiagnostics - A Driver Diagnostics Protocol instance that this driver is producing + +Returns: + + EFI_SUCCESS if all the protocols were installed onto DriverBindingHandle + + Otherwise, then return status from gBS->InstallProtocolInterface() + +--*/ +; + +EFI_STATUS +EfiLibInstallAllDriverProtocols2 ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable, + IN EFI_DRIVER_BINDING_PROTOCOL *DriverBinding, + IN EFI_HANDLE DriverBindingHandle, + IN EFI_COMPONENT_NAME2_PROTOCOL *ComponentName2, OPTIONAL + IN EFI_DRIVER_CONFIGURATION2_PROTOCOL *DriverConfiguration2, OPTIONAL + IN EFI_DRIVER_DIAGNOSTICS2_PROTOCOL *DriverDiagnostics2 OPTIONAL + ) +/*++ + +Routine Description: + + Intialize a driver by installing the Driver Binding Protocol onto the + driver's DriverBindingHandle. This is typically the same as the driver's + ImageHandle, but it can be different if the driver produces multiple + DriverBinding Protocols. This function also initializes the EFI Driver + Library that initializes the global variables gST, gBS, gRT. + +Arguments: + + ImageHandle - The image handle of the driver + + SystemTable - The EFI System Table that was passed to the driver's entry point + + DriverBinding - A Driver Binding Protocol instance that this driver is producing + + DriverBindingHandle - The handle that DriverBinding is to be installe onto. If this + parameter is NULL, then a new handle is created. + + ComponentName2 - A Component Name2 Protocol instance that this driver is producing + + DriverConfiguration2- A Driver Configuration2 Protocol instance that this driver is producing + + DriverDiagnostics2 - A Driver Diagnostics2 Protocol instance that this driver is producing + +Returns: + + EFI_SUCCESS if all the protocols were installed onto DriverBindingHandle + + Otherwise, then return status from gBS->InstallProtocolInterface() + +--*/ +; + +EFI_STATUS +EfiLibGetSystemConfigurationTable ( + IN EFI_GUID *TableGuid, + OUT VOID **Table + ) +/*++ + +Routine Description: + + Return the EFI 1.0 System Tabl entry with TableGuid + +Arguments: + + TableGuid - Name of entry to return in the system table + Table - Pointer in EFI system table associated with TableGuid + +Returns: + + EFI_SUCCESS - Table returned; + EFI_NOT_FOUND - TableGuid not in EFI system table + +--*/ +; + +BOOLEAN +EfiLibCompareLanguage ( + CHAR8 *Language1, + CHAR8 *Language2 + ) +/*++ + +Routine Description: + + Compare two languages to say whether they are identical. + +Arguments: + + Language1 - first language + Language2 - second language + +Returns: + + TRUE - identical + FALSE - not identical + +--*/ +; + +// +// DevicePath.c +// +BOOLEAN +EfiIsDevicePathMultiInstance ( + IN EFI_DEVICE_PATH_PROTOCOL *DevicePath + ) +/*++ + +Routine Description: + Return TRUE is this is a multi instance device path. + +Arguments: + DevicePath - A pointer to a device path data structure. + + +Returns: + TRUE - If DevicePath is multi instance. + FALSE - If DevicePath is not multi instance. + +--*/ +; + +EFI_DEVICE_PATH_PROTOCOL * +EfiDevicePathInstance ( + IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath, + OUT UINTN *Size + ) +/*++ + +Routine Description: + Function retrieves the next device path instance from a device path data structure. + +Arguments: + DevicePath - A pointer to a device path data structure. + + Size - A pointer to the size of a device path instance in bytes. + +Returns: + + This function returns a pointer to the current device path instance. + In addition, it returns the size in bytes of the current device path instance in Size, + and a pointer to the next device path instance in DevicePath. + If there are no more device path instances in DevicePath, then DevicePath will be set to NULL. + +--*/ +; + +UINTN +EfiDevicePathSize ( + IN EFI_DEVICE_PATH_PROTOCOL *DevPath + ) +/*++ + +Routine Description: + + Calculate the size of a whole device path. + +Arguments: + + DevPath - The pointer to the device path data. + +Returns: + + Size of device path data structure.. + +--*/ +; + +EFI_DEVICE_PATH_PROTOCOL * +EfiAppendDevicePath ( + IN EFI_DEVICE_PATH_PROTOCOL *Src1, + IN EFI_DEVICE_PATH_PROTOCOL *Src2 + ) +/*++ + +Routine Description: + Function is used to append a Src1 and Src2 together. + +Arguments: + Src1 - A pointer to a device path data structure. + + Src2 - A pointer to a device path data structure. + +Returns: + + A pointer to the new device path is returned. + NULL is returned if space for the new device path could not be allocated from pool. + It is up to the caller to free the memory used by Src1 and Src2 if they are no longer needed. + +--*/ +; + +EFI_DEVICE_PATH_PROTOCOL * +EfiDevicePathFromHandle ( + IN EFI_HANDLE Handle + ) +/*++ + +Routine Description: + + Locate device path protocol interface on a device handle. + +Arguments: + + Handle - The device handle + +Returns: + + Device path protocol interface located. + +--*/ +; + +EFI_DEVICE_PATH_PROTOCOL * +EfiDuplicateDevicePath ( + IN EFI_DEVICE_PATH_PROTOCOL *DevPath + ) +/*++ + +Routine Description: + Duplicate a new device path data structure from the old one. + +Arguments: + DevPath - A pointer to a device path data structure. + +Returns: + A pointer to the new allocated device path data. + Caller must free the memory used by DevicePath if it is no longer needed. + +--*/ +; + +EFI_DEVICE_PATH_PROTOCOL * +EfiAppendDevicePathNode ( + IN EFI_DEVICE_PATH_PROTOCOL *Src1, + IN EFI_DEVICE_PATH_PROTOCOL *Src2 + ) +/*++ + +Routine Description: + Function is used to append a device path node to the end of another device path. + +Arguments: + Src1 - A pointer to a device path data structure. + + Src2 - A pointer to a device path data structure. + +Returns: + This function returns a pointer to the new device path. + If there is not enough temporary pool memory available to complete this function, + then NULL is returned. + + +--*/ +; + +EFI_DEVICE_PATH_PROTOCOL * +EfiFileDevicePath ( + IN EFI_HANDLE Device OPTIONAL, + IN CHAR16 *FileName + ) +/*++ + +Routine Description: + Create a device path that appends a MEDIA_DEVICE_PATH with + FileNameGuid to the device path of DeviceHandle. + +Arguments: + Device - Optional Device Handle to use as Root of the Device Path + + FileName - FileName + +Returns: + EFI_DEVICE_PATH_PROTOCOL that was allocated from dynamic memory + or NULL pointer. + +--*/ +; + +EFI_DEVICE_PATH_PROTOCOL * +EfiAppendDevicePathInstance ( + IN EFI_DEVICE_PATH_PROTOCOL *Src, + IN EFI_DEVICE_PATH_PROTOCOL *Instance + ) +/*++ + +Routine Description: + + Append a device path instance to another. + +Arguments: + + Src - The device path instance to be appended with. + Instance - The device path instance appending the other. + +Returns: + + The contaction of these two. + +--*/ +; + +// +// Lock.c +// +typedef struct { + EFI_TPL Tpl; + EFI_TPL OwnerTpl; + UINTN Lock; +} EFI_LOCK; + +VOID +EfiInitializeLock ( + IN OUT EFI_LOCK *Lock, + IN EFI_TPL Priority + ) +/*++ + +Routine Description: + + Initialize a basic mutual exclusion lock. Each lock + provides mutual exclusion access at it's task priority + level. Since there is no-premption (at any TPL) or + multiprocessor support, acquiring the lock only consists + of raising to the locks TPL. + + Note on a check build ASSERT()s are used to ensure proper + lock usage. + +Arguments: + + Lock - The EFI_LOCK structure to initialize + + Priority - The task priority level of the lock + + +Returns: + + An initialized Efi Lock structure. + +--*/ +; + +// +// Macro to initialize the state of a lock when a lock variable is declared +// +#define EFI_INITIALIZE_LOCK_VARIABLE(Tpl) {Tpl,0,0} + +VOID +EfiAcquireLock ( + IN EFI_LOCK *Lock + ) +/*++ + +Routine Description: + + Raising to the task priority level of the mutual exclusion + lock, and then acquires ownership of the lock. + +Arguments: + + Lock - The lock to acquire + +Returns: + + None + +--*/ +; + +EFI_STATUS +EfiAcquireLockOrFail ( + IN EFI_LOCK *Lock + ) +/*++ + +Routine Description: + + Initialize a basic mutual exclusion lock. Each lock + provides mutual exclusion access at it's task priority + level. Since there is no-premption (at any TPL) or + multiprocessor support, acquiring the lock only consists + of raising to the locks TPL. + +Arguments: + + Lock - The EFI_LOCK structure to initialize + +Returns: + + EFI_SUCCESS - Lock Owned. + EFI_ACCESS_DENIED - Reentrant Lock Acquisition, Lock not Owned. + +--*/ +; + +VOID +EfiReleaseLock ( + IN EFI_LOCK *Lock + ) +/*++ + +Routine Description: + + Releases ownership of the mutual exclusion lock, and + restores the previous task priority level. + +Arguments: + + Lock - The lock to release + +Returns: + + None + +--*/ +; + +VOID * +EfiLibAllocatePool ( + IN UINTN AllocationSize + ) +/*++ + +Routine Description: + + Allocate EfiBootServicesData pool of size AllocationSize + +Arguments: + + AllocationSize - Pool size + +Returns: + + Pointer to the pool allocated + +--*/ +; + +VOID * +EfiLibAllocateRuntimePool ( + IN UINTN AllocationSize + ) +/*++ + +Routine Description: + + Allocate EfiRuntimeServicesData pool of size AllocationSize + +Arguments: + + AllocationSize - Pool size + +Returns: + + Pointer to the pool allocated + +--*/ +; + +VOID * +EfiLibAllocateZeroPool ( + IN UINTN AllocationSize + ) +/*++ + +Routine Description: + + Allocate EfiBootServicesData pool of size AllocationSize and set memory to zero. + +Arguments: + + AllocationSize - Pool size + +Returns: + + Pointer to the pool allocated + +--*/ +; + +VOID * +EfiLibAllocateRuntimeZeroPool ( + IN UINTN AllocationSize + ) +/*++ + +Routine Description: + + Allocate EfiRuntimeServicesData pool of size AllocationSize and set memory to zero. + +Arguments: + + AllocationSize - Pool size + +Returns: + + Pointer to the pool allocated + +--*/ +; + +VOID * +EfiLibAllocateCopyPool ( + IN UINTN AllocationSize, + IN VOID *Buffer + ) +/*++ + +Routine Description: + + Allocate BootServicesData pool and use a buffer provided by + caller to fill it. + +Arguments: + + AllocationSize - The size to allocate + + Buffer - Buffer that will be filled into the buffer allocated + +Returns: + + Pointer of the buffer allocated. + +--*/ +; + +VOID * +EfiLibAllocateRuntimeCopyPool ( + IN UINTN AllocationSize, + IN VOID *Buffer + ) +/*++ + +Routine Description: + + Allocate RuntimeServicesData pool and use a buffer provided by + caller to fill it. + +Arguments: + + AllocationSize - The size to allocate + + Buffer - Buffer that will be filled into the buffer allocated + +Returns: + + Pointer of the buffer allocated. + +--*/ +; + +// +// Event.c +// +EFI_EVENT +EfiLibCreateProtocolNotifyEvent ( + IN EFI_GUID *ProtocolGuid, + IN EFI_TPL NotifyTpl, + IN EFI_EVENT_NOTIFY NotifyFunction, + IN VOID *NotifyContext, + OUT VOID **Registration + ) +/*++ + +Routine Description: + + Create a protocol notification event and return it. + +Arguments: + + ProtocolGuid - Protocol to register notification event on. + + NotifyTpl - Maximum TPL to single the NotifyFunction. + + NotifyFunction - EFI notification routine. + + NotifyContext - Context passed into Event when it is created. + + Registration - Registration key returned from RegisterProtocolNotify(). + +Returns: + + The EFI_EVENT that has been registered to be signaled when a ProtocolGuid + is added to the system. + +--*/ +; + +EFI_STATUS +EfiLibNamedEventSignal ( + IN EFI_GUID *Name + ) +/*++ + +Routine Description: + Signals a named event. All registered listeners will run. + The listeners should register using EfiLibNamedEventListen() function. + + NOTE: For now, the named listening/signalling is implemented + on a protocol interface being installed and uninstalled. + In the future, this maybe implemented based on a dedicated mechanism. + +Arguments: + Name - Name to perform the signaling on. The name is a GUID. + +Returns: + EFI_SUCCESS if successfull. + +--*/ +; + +EFI_STATUS +EfiLibNamedEventListen ( + IN EFI_GUID * Name, + IN EFI_TPL NotifyTpl, + IN EFI_EVENT_NOTIFY NotifyFunction, + IN VOID *NotifyContext + ) +/*++ + +Routine Description: + Listenes to signals on the name. + EfiLibNamedEventSignal() signals the event. + + NOTE: For now, the named listening/signalling is implemented + on a protocol interface being installed and uninstalled. + In the future, this maybe implemented based on a dedicated mechanism. + +Arguments: + Name - Name to register the listener on. + NotifyTpl - Maximum TPL to singnal the NotifyFunction. + NotifyFunction - The listener routine. + NotifyContext - Context passed into the listener routine. + +Returns: + EFI_SUCCESS if successful. + +--*/ +; + +// +// Handle.c +// +EFI_STATUS +EfiLibLocateHandleProtocolByProtocols ( + IN OUT EFI_HANDLE * Handle, OPTIONAL + OUT VOID **Interface, OPTIONAL + ... + ) +/*++ +Routine Description: + + Function locates Protocol and/or Handle on which all Protocols specified + as a variable list are installed. + It supports continued search. The caller must assure that no handles are added + or removed while performing continued search, by e.g., rising the TPL and not + calling any handle routines. Otherwise the behavior is undefined. + +Arguments: + + Handle - The address of handle to receive the handle on which protocols + indicated by the variable list are installed. + If points to NULL, all handles are searched. If pointing to a + handle returned from previous call, searches starting from next handle. + If NULL, the parameter is ignored. + + Interface - The address of a pointer to a protocol interface that will receive + the interface indicated by first variable argument. + If NULL, the parameter is ignored. + + ... - A variable argument list containing protocol GUIDs. Must end with NULL. + +Returns: + + EFI_SUCCESS - All the protocols where found on same handle. + EFI_NOT_FOUND - A Handle with all the protocols installed was not found. + Other values as may be returned from LocateHandleBuffer() or HandleProtocol(). + +--*/ +; + +// +// Debug.c init +// +EFI_STATUS +EfiDebugAssertInit ( + VOID + ) +/*++ + +Routine Description: + + Locate Debug Assert Protocol and set as mDebugAssert + +Arguments: + + None + +Returns: + + Status code + +--*/ +; + +// +// Unicode String Support +// +EFI_STATUS +EfiLibLookupUnicodeString ( + CHAR8 *Language, + CHAR8 *SupportedLanguages, + EFI_UNICODE_STRING_TABLE *UnicodeStringTable, + CHAR16 **UnicodeString + ) +/*++ + +Routine Description: + + Translate a unicode string to a specified language if supported. + +Arguments: + + Language - The name of language to translate to + SupportedLanguages - Supported languages set + UnicodeStringTable - Pointer of one item in translation dictionary + UnicodeString - The translated string + +Returns: + + EFI_INVALID_PARAMETER - Invalid parameter + EFI_UNSUPPORTED - System not supported this language or this string translation + EFI_SUCCESS - String successfully translated + +--*/ +; + +EFI_STATUS +EfiLibAddUnicodeString ( + CHAR8 *Language, + CHAR8 *SupportedLanguages, + EFI_UNICODE_STRING_TABLE **UnicodeStringTable, + CHAR16 *UnicodeString + ) +/*++ + +Routine Description: + + Add an translation to the dictionary if this language if supported. + +Arguments: + + Language - The name of language to translate to + SupportedLanguages - Supported languages set + UnicodeStringTable - Translation dictionary + UnicodeString - The corresponding string for the language to be translated to + +Returns: + + EFI_INVALID_PARAMETER - Invalid parameter + EFI_UNSUPPORTED - System not supported this language + EFI_ALREADY_STARTED - Already has a translation item of this language + EFI_OUT_OF_RESOURCES - No enough buffer to be allocated + EFI_SUCCESS - String successfully translated + +--*/ +; + +EFI_STATUS +EfiLibFreeUnicodeStringTable ( + EFI_UNICODE_STRING_TABLE *UnicodeStringTable + ) +/*++ + +Routine Description: + + Free a string table. + +Arguments: + + UnicodeStringTable - The string table to be freed. + +Returns: + + EFI_SUCCESS - The table successfully freed. + +--*/ +; + +EFI_STATUS +EfiLibReportStatusCode ( + IN EFI_STATUS_CODE_TYPE Type, + IN EFI_STATUS_CODE_VALUE Value, + IN UINT32 Instance, + IN EFI_GUID *CallerId OPTIONAL, + IN EFI_STATUS_CODE_DATA *Data OPTIONAL + ) +/*++ + +Routine Description: + + Report status code. + +Arguments: + + Type - Code type + Value - Code value + Instance - Instance number + CallerId - Caller name + DevicePath - Device path that to be reported + +Returns: + + Status code. + + EFI_OUT_OF_RESOURCES - No enough buffer could be allocated + +--*/ +; + +EFI_STATUS +ReportStatusCodeWithDevicePath ( + IN EFI_STATUS_CODE_TYPE Type, + IN EFI_STATUS_CODE_VALUE Value, + IN UINT32 Instance, + IN EFI_GUID * CallerId OPTIONAL, + IN EFI_DEVICE_PATH_PROTOCOL * DevicePath + ) +/*++ + +Routine Description: + + Report device path through status code. + +Arguments: + + Type - Code type + Value - Code value + Instance - Instance number + CallerId - Caller name + DevicePath - Device path that to be reported + +Returns: + + Status code. + + EFI_OUT_OF_RESOURCES - No enough buffer could be allocated + +--*/ +; + +EFI_STATUS +EFIAPI +EfiCreateEventLegacyBoot ( + IN EFI_TPL NotifyTpl, + IN EFI_EVENT_NOTIFY NotifyFunction, + IN VOID *NotifyContext, + OUT EFI_EVENT *LegacyBootEvent + ) +/*++ + +Routine Description: + Create a Legacy Boot Event. + Tiano extended the CreateEvent Type enum to add a legacy boot event type. + This was bad as Tiano did not own the enum. In UEFI 2.0 CreateEventEx was + added and now it's possible to not voilate the UEFI specification by + declaring a GUID for the legacy boot event class. This library supports + the R8.5/EFI 1.10 form and R8.6/UEFI 2.0 form and allows common code to + work both ways. + +Arguments: + LegacyBootEvent Returns the EFI event returned from gBS->CreateEvent(Ex) + +Returns: + EFI_SUCCESS Event was created. + Other Event was not created. + +--*/ +; + +EFI_STATUS +EFIAPI +EfiCreateEventReadyToBoot ( + IN EFI_TPL NotifyTpl, + IN EFI_EVENT_NOTIFY NotifyFunction, + IN VOID *NotifyContext, + OUT EFI_EVENT *ReadyToBootEvent + ) +/*++ + +Routine Description: + Create a Read to Boot Event. + + Tiano extended the CreateEvent Type enum to add a ready to boot event type. + This was bad as Tiano did not own the enum. In UEFI 2.0 CreateEventEx was + added and now it's possible to not voilate the UEFI specification and use + the ready to boot event class defined in UEFI 2.0. This library supports + the R8.5/EFI 1.10 form and R8.6/UEFI 2.0 form and allows common code to + work both ways. + +Arguments: + @param LegacyBootEvent Returns the EFI event returned from gBS->CreateEvent(Ex) + +Return: + EFI_SUCCESS - Event was created. + Other - Event was not created. + +--*/ +; + +VOID +EFIAPI +EfiInitializeFwVolDevicepathNode ( + IN MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FvDevicePathNode, + IN EFI_GUID *NameGuid + ) +/*++ +Routine Description: + Initialize a Firmware Volume (FV) Media Device Path node. + +Arguments: + FvDevicePathNode - Pointer to a FV device path node to initialize + NameGuid - FV file name to use in FvDevicePathNode + +--*/ +; + +EFI_GUID * +EFIAPI +EfiGetNameGuidFromFwVolDevicePathNode ( + IN MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FvDevicePathNode + ) +/*++ +Routine Description: + Check to see if the Firmware Volume (FV) Media Device Path is valid. + +Arguments: + FvDevicePathNode - Pointer to FV device path to check + +Return: + NULL - FvDevicePathNode is not valid. + Other - FvDevicePathNode is valid and pointer to NameGuid was returned. + +--*/ +; + +VOID +EfiLibSafeFreePool ( + IN VOID *Buffer + ) +/*++ + +Routine Description: + + Free pool safely. + +Arguments: + + Buffer - The allocated pool entry to free + +Returns: + + Pointer of the buffer allocated. + +--*/ +; + +EFI_STATUS +EfiLibTestManagedDevice ( + IN EFI_HANDLE ControllerHandle, + IN EFI_HANDLE DriverBindingHandle, + IN EFI_GUID *ManagedProtocolGuid + ) +/*++ + +Routine Description: + + Test to see if the controller is managed by a specific driver. + +Arguments: + + ControllerHandle - Handle for controller to test + + DriverBindingHandle - Driver binding handle for controller + + ManagedProtocolGuid - The protocol guid the driver opens on controller + +Returns: + + EFI_SUCCESS - The controller is managed by the driver + + EFI_UNSUPPORTED - The controller is not managed by the driver + +--*/ +; + +EFI_STATUS +EfiLibTestChildHandle ( + IN EFI_HANDLE ControllerHandle, + IN EFI_HANDLE ChildHandle, + IN EFI_GUID *ConsumedGuid + ) +/*++ + +Routine Description: + + Test to see if the child handle is the child of the controller + +Arguments: + + ControllerHandle - Handle for controller (parent) + + ChildHandle - Child handle to test + + ConsumsedGuid - Protocol guid consumed by child from controller + +Returns: + + EFI_SUCCESS - The child handle is the child of the controller + + EFI_UNSUPPORTED - The child handle is not the child of the controller + +--*/ +; +#endif |