1) Added BIT0, BIT1, …, BIT63 to the Base Defines

[mirror_edk2.git] / MdePkg / Include / Library / UefiLib.h

diff --git a/MdePkg/Include/Library/UefiLib.h b/MdePkg/Include/Library/UefiLib.h
index 18be1b6347d217c0f6126083154ee628fd58a037..a302c26beb51cdc983094ab53080bb0a00e7270f 100644 (file)
--- a/MdePkg/Include/Library/UefiLib.h
+++ b/MdePkg/Include/Library/UefiLib.h
@@ -1,7 +1,7 @@
 /** @file\r
   MDE UEFI library functions and macros\r
 \r
-  Copyright (c) 2006, Intel Corporation                                                         \r
+  Copyright (c) 2006 - 2007, Intel Corporation                                                         \r
   All rights reserved. This program and the accompanying materials                          \r
   are licensed and made available under the terms and conditions of the BSD License         \r
   which accompanies this distribution.  The full text of the license may be found at        \r
@@ -84,7 +84,7 @@ EfiCreateProtocolNotifyEvent(
   IN  EFI_TPL           NotifyTpl,\r
   IN  EFI_EVENT_NOTIFY  NotifyFunction,\r
   IN  VOID              *NotifyContext,  OPTIONAL\r
-  OUT VOID              *Registration\r
+  OUT VOID              **Registration\r
   );\r
 \r
 /**\r
@@ -109,7 +109,7 @@ EfiNamedEventListen (
   IN EFI_TPL           NotifyTpl,\r
   IN EFI_EVENT_NOTIFY  NotifyFunction,\r
   IN CONST VOID        *NotifyContext,  OPTIONAL\r
-  OUT VOID             *Registration    OPTIONAL\r
+  OUT VOID             *Registration OPTIONAL\r
   );\r
 \r
 /**\r
@@ -128,6 +128,26 @@ EfiNamedEventSignal (
   IN CONST EFI_GUID  *Name\r
   );\r
 \r
+/** \r
+  Returns the current TPL.\r
+\r
+  This function returns the current TPL.  There is no EFI service to directly \r
+  retrieve the current TPL. Instead, the RaiseTPL() function is used to raise \r
+  the TPL to TPL_HIGH_LEVEL.  This will return the current TPL.  The TPL level \r
+  can then immediately be restored back to the current TPL level with a call \r
+  to RestoreTPL().\r
+\r
+  @param  VOID\r
+\r
+  @retvale EFI_TPL              The current TPL.\r
+\r
+**/\r
+EFI_TPL\r
+EFIAPI\r
+EfiGetCurrentTpl (\r
+  VOID\r
+  );\r
+\r
 /**\r
   This function initializes a basic mutual exclusion lock to the released state \r
   and returns the lock.  Each lock provides mutual exclusion access at its task \r
@@ -233,6 +253,63 @@ EfiReleaseLock (
   IN EFI_LOCK  *Lock\r
   );\r
 \r
+/**
+  Tests whether a controller is managed by a specific driver.
+
+  This function tests whether a specific driver manages ControllerHandle by\r
+  opening on DriverBindingHandle a protocol specified by ProtocolGuid with\r
+  attribute EFI_OPEN_PROTOCOL_BY_DRIVER.  This library function is used to\r
+  implement the Component Name Protocol for EFI Drivers.\r
+  If ProtocolGuid is NULL, then ASSERT().\r
+
+  @param  ControllerHandle     A handle for a controller to test.
+  @param  DriverBindingHandle  Specifies the driver binding handle for the
+                               driver.
+  @param  ProtocolGuid         Supplies GUID for the protocol opened by the
+                               driver on the controller. 
+
+  @retval EFI_SUCCESS          ControllerHandle is managed by the specific
+                               driver.
+  @retval EFI_UNSUPPORTED      ControllerHandle is not managed by the specific
+                               driver.
+
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+EfiTestManagedDevice (\r
+  IN CONST EFI_HANDLE       ControllerHandle,\r
+  IN CONST EFI_HANDLE       DriverBindingHandle,\r
+  IN CONST EFI_GUID         *ProtocolGuid\r
+  );\r
+\r
+/**
+  Tests whether a child handle is a children device of the controller.
+
+  This function tests whether ChildHandle is one of the children of
+  ControllerHandle which are consuming a protocol specified by ProtocolGuid
+  with the attribute bit EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER set.  This
+  library function is used to implement the Component Name Protocol for EFI
+  Drivers.
+  If ProtocolGuid is NULL, then ASSERT().
+
+  @param  ControllerHandle     A handle for a (parent) controller to test. 
+  @param  ChildHandle          A child handle to test.
+  @param  ConsumsedGuid        Supplies GUID for the protocol consumed by
+                               children from controller. 
+
+  @retval EFI_SUCCESS          ChildHandle is a child of the ControllerHandle.
+  @retval EFI_UNSUPPORTED      ChildHandle is not a child of the
+                               ControllerHandle.
+
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+EfiTestChildHandle (\r
+  IN CONST EFI_HANDLE       ControllerHandle,\r
+  IN CONST EFI_HANDLE       ChildHandle,\r
+  IN CONST EFI_GUID         *ProtocolGuid\r
+  );\r
+\r
 /**\r
   This function looks up a Unicode string in UnicodeStringTable.  If Language is \r
   a member of SupportedLanguages and a Unicode string is found in UnicodeStringTable\r
@@ -538,5 +615,4 @@ EfiGetNameGuidFromFwVolDevicePathNode (
   IN CONST MEDIA_FW_VOL_FILEPATH_DEVICE_PATH  *FvDevicePathNode\r
   );\r
 \r
-\r
 #endif\r