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authorbbahnsen <bbahnsen@6f19259b-4bc3-4df7-8a09-765794883524>2006-04-21 22:54:32 +0000
committerbbahnsen <bbahnsen@6f19259b-4bc3-4df7-8a09-765794883524>2006-04-21 22:54:32 +0000
commit878ddf1fc3540a715f63594ed22b6929e881afb4 (patch)
treec56c44dac138137b510e1fba7c3efe5e4d84bea2 /MdePkg/Include/Library/PcdLib.h
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Initial import.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Include/Library/PcdLib.h')
-rw-r--r--MdePkg/Include/Library/PcdLib.h690
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diff --git a/MdePkg/Include/Library/PcdLib.h b/MdePkg/Include/Library/PcdLib.h
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+++ b/MdePkg/Include/Library/PcdLib.h
@@ -0,0 +1,690 @@
+/** @file
+PCD Library Class Interface Declarations
+
+Copyright (c) 2006, 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: PcdLib.h
+
+**/
+
+#ifndef __PCD_LIB_H__
+#define __PCD_LIB_H__
+
+
+#define PcdToken(TokenName) _PCD_TOKEN_##TokenName
+
+
+//
+// Feature Flag is in the form of a global constant
+//
+#define FeaturePcdGet(TokenName) _gPcd_FixedAtBuild_##TokenName
+
+
+//
+// Fixed is fixed at build time
+//
+#define FixedPcdGet8(TokenName) _gPcd_FixedAtBuild_##TokenName
+#define FixedPcdGet16(TokenName) _gPcd_FixedAtBuild_##TokenName
+#define FixedPcdGet32(TokenName) _gPcd_FixedAtBuild_##TokenName
+#define FixedPcdGet64(TokenName) _gPcd_FixedAtBuild_##TokenName
+#define FixedPcdGetBool(TokenName) _gPcd_FixedAtBuild_##TokenName
+
+
+//
+// BugBug: This works for strings, but not constants.
+//
+#define FixedPcdGetPtr(TokenName) ((VOID *)_gPcd_FixedAtBuild_##TokenName)
+
+
+//
+// (Binary) Patch is in the form of a global variable
+//
+#define PatchPcdGet8(TokenName) _gPcd_BinaryPatch_##TokenName
+#define PatchPcdGet16(TokenName) _gPcd_BinaryPatch_##TokenName
+#define PatchPcdGet32(TokenName) _gPcd_BinaryPatch_##TokenName
+#define PatchPcdGet64(TokenName) _gPcd_BinaryPatch_##TokenName
+#define PatchPcdGetBool(TokenName) _gPcd_BinaryPatch_##TokenName
+#define PatchPcdGetPtr(TokenName) ((VOID *)_gPcd_BinaryPatch_##TokenName)
+
+
+//
+// Dynamic is via the protocol with only the TokenNumber as argument
+// It can also be Patch or Fixed type based on a build option
+//
+#define PcdGet8(TokenName) _PCD_MODE_8_##TokenName
+#define PcdGet16(TokenName) _PCD_MODE_16_##TokenName
+#define PcdGet32(TokenName) _PCD_MODE_32_##TokenName
+#define PcdGet64(TokenName) _PCD_MODE_64_##TokenName
+#define PcdGetPtr(TokenName) _PCD_MODE_PTR_##TokenName
+#define PcdGetBool(TokenName) _PCD_MODE_BOOL_##TokenName
+
+
+//
+// Dynamic Ex is to support binary distribution
+//
+#define PcdGetEx8(Guid, TokenName) LibPcdGetEx8 (Guid, _PCD_TOKEN_##TokenName)
+#define PcdGetEx16(Guid, TokenName) LibPcdGetEx16 (Guid, _PCD_TOKEN_##TokenName)
+#define PcdGetEx32(Guid, TokenName) LibPcdGetEx32 (Guid, _PCD_TOKEN_##TokenName)
+#define PcdGetEx64(Guid, TokenName) LibPcdGetEx64 (Guid, _PCD_TOKEN_##TokenName)
+#define PcdGetExPtr(Guid, TokenName) LibPcdGetExPtr (Guid, _PCD_TOKEN_##TokenName)
+#define PcdGetExBool(Guid, TokenName) LibPcdGetExBool (Guid, _PCD_TOKEN_##TokenName)
+
+
+//
+// Dynamic Set
+//
+#define PcdSet8(TokenName, Value) LibPcdSet8 (_PCD_TOKEN_##TokenName, Value)
+#define PcdSet16(TokenName, Value) LibPcdSet16 (_PCD_TOKEN_##TokenName, Value)
+#define PcdSet32(TokenName, Value) LibPcdSet32 (_PCD_TOKEN_##TokenName, Value)
+#define PcdSet64(TokenName, Value) LibPcdSet64 (_PCD_TOKEN_##TokenName, Value)
+#define PcdSetPtr(TokenName, Value) LibPcdSetPtr (_PCD_TOKEN_##TokenName, Value)
+#define PcdSetBool(TokenName, Value) LibPcdSetBool(_PCD_TOKEN_##TokenName, Value)
+
+
+//
+// Dynamic Set Ex
+//
+#define PcdSetEx8 (Guid, TokenName, Value) LibPcdSetEx8 (Guid, _PCD_TOKEN_##TokenName, Value)
+#define PcdSetEx16 (Guid, TokenName, Value) LibPcdSetEx16 (Guid, _PCD_TOKEN_##TokenName, Value)
+#define PcdSetEx32 (Guid, TokenName, Value) LibPcdSetEx32 (Guid, _PCD_TOKEN_##TokenName, Value)
+#define PcdSetEx64 (Guid, TokenName, Value) LibPcdSetEx64 (Guid, _PCD_TOKEN_##TokenName, Value)
+#define PcdSetExPtr (Guid, TokenName, Value) LibPcdSetExPtr (Guid, _PCD_TOKEN_##TokenName, Value)
+#define PcdSetExBool(Guid, TokenName, Value) LibPcdSetExBool(Guid, _PCD_TOKEN_##TokenName, Value)
+
+
+/**
+ Sets the current SKU in the PCD database to the value specified by SkuId. SkuId is returned.
+
+ @param[in] SkuId The SKU value that will be used when the PCD service will retrieve and
+ set values associated with a PCD token.
+
+ @retval UINTN Return the SKU ID that just be set.
+
+**/
+UINTN
+EFIAPI
+LibPcdSetSku (
+ IN UINTN SkuId
+ );
+
+
+/**
+ Returns the 8-bit value for the token specified by TokenNumber.
+
+ @param[in] The PCD token number to retrieve a current value for.
+
+ @retval UINT8 Returns the 8-bit value for the token specified by TokenNumber.
+
+**/
+UINT8
+EFIAPI
+LibPcdGet8 (
+ IN UINTN TokenNumber
+ );
+
+
+/**
+ Returns the 16-bit value for the token specified by TokenNumber.
+
+ @param[in] The PCD token number to retrieve a current value for.
+
+ @retval UINT16 Returns the 16-bit value for the token specified by TokenNumber.
+
+**/
+UINT16
+EFIAPI
+LibPcdGet16 (
+ IN UINTN TokenNumber
+ );
+
+
+/**
+ Returns the 32-bit value for the token specified by TokenNumber.
+
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.
+
+ @retval UINT32 Returns the 32-bit value for the token specified by TokenNumber.
+
+**/
+UINT32
+EFIAPI
+LibPcdGet32 (
+ IN UINTN TokenNumber
+ );
+
+
+/**
+ Returns the 64-bit value for the token specified by TokenNumber.
+
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.
+
+ @retval UINT64 Returns the 64-bit value for the token specified by TokenNumber.
+
+**/
+UINT64
+EFIAPI
+LibPcdGet64 (
+ IN UINTN TokenNumber
+ );
+
+
+/**
+ Returns the pointer to the buffer of the token specified by TokenNumber.
+
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.
+
+ @retval VOID* Returns the pointer to the token specified by TokenNumber.
+
+**/
+VOID *
+EFIAPI
+LibPcdGetPtr (
+ IN UINTN TokenNumber
+ );
+
+
+/**
+ Returns the Boolean value of the token specified by TokenNumber.
+
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.
+
+ @retval BOOLEAN Returns the Boolean value of the token specified by TokenNumber.
+
+**/
+BOOLEAN
+EFIAPI
+LibPcdGetBool (
+ IN UINTN TokenNumber
+ );
+
+
+/**
+ Returns the size of the token specified by TokenNumber.
+
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.
+
+ @retval UINTN Returns the size of the token specified by TokenNumber.
+
+**/
+UINTN
+EFIAPI
+LibPcdGetSize (
+ IN UINTN TokenNumber
+ );
+
+
+/**
+ Returns the 8-bit value for the token specified by TokenNumber and Guid.
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid Pointer to a 128-bit unique value that designates
+ which namespace to retrieve a value from.
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.
+
+ @retval UINT8 Return the UINT8.
+
+**/
+UINT8
+EFIAPI
+LibPcdGetEx8 (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber
+ );
+
+
+/**
+ Returns the 16-bit value for the token specified by TokenNumber and Guid.
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid Pointer to a 128-bit unique value that designates
+ which namespace to retrieve a value from.
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.
+
+ @retval UINT16 Return the UINT16.
+
+**/
+UINT16
+EFIAPI
+LibPcdGetEx16 (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber
+ );
+
+
+/**
+ Returns the 32-bit value for the token specified by TokenNumber and Guid.
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid Pointer to a 128-bit unique value that designates
+ which namespace to retrieve a value from.
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.
+
+ @retval UINT32 Return the UINT32.
+
+**/
+UINT32
+EFIAPI
+LibPcdGetEx32 (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber
+ );
+
+
+/**
+ Returns the 64-bit value for the token specified by TokenNumber and Guid.
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid Pointer to a 128-bit unique value that designates
+ which namespace to retrieve a value from.
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.
+
+ @retval UINT64 Return the UINT64.
+
+**/
+UINT64
+EFIAPI
+LibPcdGetEx64 (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber
+ );
+
+
+/**
+ Returns the pointer to the buffer of token specified by TokenNumber and Guid.
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid Pointer to a 128-bit unique value that designates
+ which namespace to retrieve a value from.
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.
+
+ @retval VOID* Return the VOID* pointer.
+
+**/
+VOID *
+EFIAPI
+LibPcdGetExPtr (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber
+ );
+
+
+/**
+ Returns the Boolean value of the token specified by TokenNumber and Guid.
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid Pointer to a 128-bit unique value that designates
+ which namespace to retrieve a value from.
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.
+
+ @retval BOOLEAN Return the BOOLEAN.
+
+**/
+BOOLEAN
+EFIAPI
+LibPcdGetExBool (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber
+ );
+
+
+/**
+ Returns the size of the token specified by TokenNumber and Guid.
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid Pointer to a 128-bit unique value that designates
+ which namespace to retrieve a value from.
+ @param[in] TokenNumber The PCD token number to retrieve a current value for.
+
+ @retval UINTN Return the size.
+
+**/
+UINTN
+EFIAPI
+LibPcdGetExSize (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber
+ );
+
+
+/**
+ Sets the 8-bit value for the token specified by TokenNumber
+ to the value specified by Value. Value is returned.
+
+ @param[in] TokenNumber The PCD token number to set a current value for.
+ @param[in] Value The 8-bit value to set.
+
+ @retval UINT8 Return the value been set.
+
+**/
+UINT8
+EFIAPI
+LibPcdSet8 (
+ IN UINTN TokenNumber,
+ IN UINT8 Value
+ );
+
+
+/**
+ Sets the 16-bit value for the token specified by TokenNumber
+ to the value specified by Value. Value is returned.
+
+ @param[in] TokenNumber The PCD token number to set a current value for.
+ @param[in] Value The 16-bit value to set.
+
+ @retval UINT16 Return the value been set.
+
+**/
+UINT16
+EFIAPI
+LibPcdSet16 (
+ IN UINTN TokenNumber,
+ IN UINT16 Value
+ );
+
+
+/**
+ Sets the 32-bit value for the token specified by TokenNumber
+ to the value specified by Value. Value is returned.
+
+ @param[in] TokenNumber The PCD token number to set a current value for.
+ @param[in] Value The 32-bit value to set.
+
+ @retval UINT32 Return the value been set.
+
+**/
+UINT32
+EFIAPI
+LibPcdSet32 (
+ IN UINTN TokenNumber,
+ IN UINT32 Value
+ );
+
+
+/**
+ Sets the 64-bit value for the token specified by TokenNumber
+ to the value specified by Value. Value is returned.
+
+ @param[in] TokenNumber The PCD token number to set a current value for.
+ @param[in] Value The 64-bit value to set.
+
+ @retval UINT64 Return the value been set.
+
+**/
+UINT64
+EFIAPI
+LibPcdSet64 (
+ IN UINTN TokenNumber,
+ IN UINT64 Value
+ );
+
+
+/**
+ Sets a buffer for the token specified by TokenNumber to
+ the value specified by Value. Value is returned.
+ If Value is NULL, then ASSERT().
+
+ @param[in] TokenNumber The PCD token number to set a current value for.
+ @param[in] Value A pointer to the buffer to set.
+
+ @retval VOID* Return the pointer for the buffer been set.
+
+**/
+VOID*
+EFIAPI
+LibPcdSetPtr (
+ IN UINTN TokenNumber,
+ IN CONST VOID *Value
+ );
+
+
+/**
+ Sets the Boolean value for the token specified by TokenNumber
+ to the value specified by Value. Value is returned.
+
+ @param[in] TokenNumber The PCD token number to set a current value for.
+ @param[in] Value The boolean value to set.
+
+ @retval BOOLEAN Return the value been set.
+
+**/
+BOOLEAN
+EFIAPI
+LibPcdSetBool (
+ IN UINTN TokenNumber,
+ IN BOOLEAN Value
+ );
+
+
+/**
+ Sets the 8-bit value for the token specified by TokenNumber and
+ Guid to the value specified by Value. Value is returned.
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid Pointer to a 128-bit unique value that
+ designates which namespace to set a value from.
+ @param[in] TokenNumber The PCD token number to set a current value for.
+ @param[in] Value The 8-bit value to set.
+
+ @retval UINT8 Return the value been set.
+
+**/
+UINT8
+EFIAPI
+LibPcdSetEx8 (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber,
+ IN UINT8 Value
+ );
+
+
+/**
+ Sets the 16-bit value for the token specified by TokenNumber and
+ Guid to the value specified by Value. Value is returned.
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid Pointer to a 128-bit unique value that
+ designates which namespace to set a value from.
+ @param[in] TokenNumber The PCD token number to set a current value for.
+ @param[in] Value The 16-bit value to set.
+
+ @retval UINT8 Return the value been set.
+
+**/
+UINT16
+EFIAPI
+LibPcdSetEx16 (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber,
+ IN UINT16 Value
+ );
+
+
+/**
+ Sets the 32-bit value for the token specified by TokenNumber and
+ Guid to the value specified by Value. Value is returned.
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid Pointer to a 128-bit unique value that
+ designates which namespace to set a value from.
+ @param[in] TokenNumber The PCD token number to set a current value for.
+ @param[in] Value The 32-bit value to set.
+
+ @retval UINT32 Return the value been set.
+
+**/
+UINT32
+EFIAPI
+LibPcdSetEx32 (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber,
+ IN UINT32 Value
+ );
+
+
+/**
+ Sets the 64-bit value for the token specified by TokenNumber and
+ Guid to the value specified by Value. Value is returned.
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid Pointer to a 128-bit unique value that
+ designates which namespace to set a value from.
+ @param[in] TokenNumber The PCD token number to set a current value for.
+ @param[in] Value The 64-bit value to set.
+
+ @retval UINT64 Return the value been set.
+
+**/
+UINT64
+EFIAPI
+LibPcdSetEx64 (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber,
+ IN UINT64 Value
+ );
+
+
+/**
+ Sets a buffer for the token specified by TokenNumber and
+ Guid to the value specified by Value. Value is returned.
+ If Guid is NULL, then ASSERT().
+ If Value is NULL, then ASSERT().
+
+ @param[in] Guid Pointer to a 128-bit unique value that
+ designates which namespace to set a value from.
+ @param[in] TokenNumber The PCD token number to set a current value for.
+ @param[in] Value The 8-bit value to set.
+
+ @retval VOID * Return the value been set.
+
+**/
+VOID *
+EFIAPI
+LibPcdSetExPtr (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber,
+ IN CONST VOID *Value
+ );
+
+
+/**
+ Sets the Boolean value for the token specified by TokenNumber and
+ Guid to the value specified by Value. Value is returned.
+ If Guid is NULL, then ASSERT().
+
+ @param[in] Guid Pointer to a 128-bit unique value that
+ designates which namespace to set a value from.
+ @param[in] TokenNumber The PCD token number to set a current value for.
+ @param[in] Value The Boolean value to set.
+
+ @retval Boolean Return the value been set.
+
+**/
+BOOLEAN
+EFIAPI
+LibPcdSetExBool (
+ IN CONST GUID *Guid,
+ IN UINTN TokenNumber,
+ IN BOOLEAN Value
+ );
+
+
+/**
+ When the token specified by TokenNumber and Guid is set,
+ then notification function specified by NotificationFunction is called.
+ If Guid is NULL, then the default token space is used.
+ If NotificationFunction is NULL, then ASSERT().
+
+ @param[in] CallBackGuid The PCD token GUID being set.
+ @param[in] CallBackToken The PCD token number being set.
+ @param[in] TokenData A pointer to the token data being set.
+ @param[in] TokenDataSize The size, in bytes, of the data being set.
+
+ @retval VOID
+
+**/
+typedef
+VOID
+(EFIAPI *PCD_CALLBACK) (
+ IN CONST GUID *CallBackGuid, OPTIONAL
+ IN UINTN CallBackToken,
+ IN VOID *TokenData,
+ IN UINTN TokenDataSize
+ );
+
+
+/**
+ When the token specified by TokenNumber and Guid is set,
+ then notification function specified by NotificationFunction is called.
+ If Guid is NULL, then the default token space is used.
+ If NotificationFunction is NULL, then ASSERT().
+
+ @param[in] Guid Pointer to a 128-bit unique value that designates which
+ namespace to set a value from. If NULL, then the default
+ token space is used.
+ @param[in] TokenNumber The PCD token number to monitor.
+ @param[in] NotificationFunction The function to call when the token
+ specified by Guid and TokenNumber is set.
+
+ @retval VOID
+
+**/
+VOID
+EFIAPI
+LibPcdCallbackOnSet (
+ IN CONST GUID *Guid, OPTIONAL
+ IN UINTN TokenNumber,
+ IN PCD_CALLBACK NotificationFunction
+ );
+
+
+/**
+ Disable a notification function that was established with LibPcdCallbackonSet().
+
+ @param[in] Guid Specify the GUID token space.
+ @param[in] TokenNumber Specify the token number.
+ @param[in] NotificationFunction The callback function to be unregistered.
+
+ @retval VOID
+
+**/
+VOID
+EFIAPI
+LibPcdCancelCallback (
+ IN CONST GUID *Guid, OPTIONAL
+ IN UINTN TokenNumber,
+ IN PCD_CALLBACK NotificationFunction
+ );
+
+
+/**
+ Retrieves the next PCD token number from the token space specified by Guid.
+ If Guid is NULL, then the default token space is used. If TokenNumber is 0,
+ then the first token number is returned. Otherwise, the token number that
+ follows TokenNumber in the token space is returned. If TokenNumber is the last
+ token number in the token space, then 0 is returned. If TokenNumber is not 0 and
+ is not in the token space specified by Guid, then ASSERT().
+
+ @param[in] Pointer to a 128-bit unique value that designates which namespace
+ to set a value from. If NULL, then the default token space is used.
+ @param[in] The previous PCD token number. If 0, then retrieves the first PCD
+ token number.
+
+ @retval UINTN The next valid token number.
+
+**/
+UINTN
+EFIAPI
+LibPcdGetNextToken (
+ IN CONST GUID *Guid, OPTIONAL
+ IN UINTN *TokenNumber
+ );
+
+#endif