/** @file\r
Private functions used by PCD DXE driver.\r
\r
-Copyright (c) 2006 - 2007, Intel Corporation\r
-All rights reserved. This program and the accompanying materials\r
+Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
+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
http://opensource.org/licenses/bsd-license.php\r
#define _PCD_DXE_SERVICE_H_\r
\r
#include <PiDxe.h>\r
+#include <Guid/PcdDataBaseHobGuid.h>\r
+#include <Guid/PcdDataBaseSignatureGuid.h>\r
#include <Protocol/Pcd.h>\r
+#include <Protocol/PiPcd.h>\r
+#include <Protocol/PcdInfo.h>\r
+#include <Protocol/PiPcdInfo.h>\r
+#include <Protocol/VarCheck.h>\r
+#include <Protocol/VariableLock.h>\r
#include <Library/BaseLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/UefiLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/UefiRuntimeServicesTableLib.h>\r
\r
+//\r
+// Please make sure the PCD Serivce DXE Version is consistent with\r
+// the version of the generated DXE PCD Database by build tool.\r
+//\r
+#define PCD_SERVICE_DXE_VERSION 7\r
+\r
+//\r
+// PCD_DXE_SERVICE_DRIVER_VERSION is defined in Autogen.h.\r
+//\r
+#if (PCD_SERVICE_DXE_VERSION != PCD_DXE_SERVICE_DRIVER_VERSION)\r
+ #error "Please make sure the version of PCD DXE Service and the generated PCD DXE Database match."\r
+#endif\r
+\r
+extern UINTN mVpdBaseAddress;\r
+\r
+/**\r
+ Retrieve additional information associated with a PCD token in the default token space.\r
+\r
+ This includes information such as the type of value the TokenNumber is associated with as well as possible\r
+ human readable name that is associated with the token.\r
+\r
+ @param[in] TokenNumber The PCD token number.\r
+ @param[out] PcdInfo The returned information associated with the requested TokenNumber.\r
+ The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName.\r
+\r
+ @retval EFI_SUCCESS The PCD information was returned successfully.\r
+ @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+DxeGetPcdInfoGetInfo (\r
+ IN UINTN TokenNumber,\r
+ OUT EFI_PCD_INFO *PcdInfo\r
+ );\r
+\r
+/**\r
+ Retrieve additional information associated with a PCD token.\r
+\r
+ This includes information such as the type of value the TokenNumber is associated with as well as possible\r
+ human readable name that is associated with the token.\r
+\r
+ @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r
+ @param[in] TokenNumber The PCD token number.\r
+ @param[out] PcdInfo The returned information associated with the requested TokenNumber.\r
+ The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName.\r
+\r
+ @retval EFI_SUCCESS The PCD information was returned successfully.\r
+ @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+DxeGetPcdInfoGetInfoEx (\r
+ IN CONST EFI_GUID *Guid,\r
+ IN UINTN TokenNumber,\r
+ OUT EFI_PCD_INFO *PcdInfo\r
+ );\r
+\r
+/**\r
+ Retrieve the currently set SKU Id.\r
+\r
+ @return The currently set SKU Id. If the platform has not set at a SKU Id, then the\r
+ default SKU Id value of 0 is returned. If the platform has set a SKU Id, then the currently set SKU\r
+ Id is returned.\r
+**/\r
+UINTN\r
+EFIAPI\r
+DxeGetPcdInfoGetSku (\r
+ VOID\r
+ );\r
+\r
//\r
// Protocol Interface function declaration.\r
//\r
/**\r
Sets the SKU value for subsequent calls to set or get PCD token values.\r
\r
- SetSku() sets the SKU Id to be used for subsequent calls to set or get PCD values. \r
+ SetSku() sets the SKU Id to be used for subsequent calls to set or get PCD values.\r
SetSku() is normally called only once by the system.\r
\r
- For each item (token), the database can hold a single value that applies to all SKUs, \r
- or multiple values, where each value is associated with a specific SKU Id. Items with multiple, \r
- SKU-specific values are called SKU enabled. \r
- \r
- The SKU Id of zero is reserved as a default. The valid SkuId range is 1 to 255. \r
- For tokens that are not SKU enabled, the system ignores any set SKU Id and works with the \r
- single value for that token. For SKU-enabled tokens, the system will use the SKU Id set by the \r
- last call to SetSku(). If no SKU Id is set or the currently set SKU Id isn't valid for the specified token, \r
- the system uses the default SKU Id. If the system attempts to use the default SKU Id and no value has been \r
+ For each item (token), the database can hold a single value that applies to all SKUs,\r
+ or multiple values, where each value is associated with a specific SKU Id. Items with multiple,\r
+ SKU-specific values are called SKU enabled.\r
+\r
+ The SKU Id of zero is reserved as a default. The valid SkuId range is 1 to 255.\r
+ For tokens that are not SKU enabled, the system ignores any set SKU Id and works with the\r
+ single value for that token. For SKU-enabled tokens, the system will use the SKU Id set by the\r
+ last call to SetSku(). If no SKU Id is set or the currently set SKU Id isn't valid for the specified token,\r
+ the system uses the default SKU Id. If the system attempts to use the default SKU Id and no value has been\r
set for that Id, the results are unpredictable.\r
\r
- @param[in] SkuId The SKU value that will be used when the PCD service will retrieve and \r
+ @param[in] SkuId The SKU value that will be used when the PCD service will retrieve and\r
set values associated with a PCD token.\r
\r
**/\r
/**\r
Retrieves an 8-bit value for a given PCD token.\r
\r
- Retrieves the current byte-sized value for a PCD token number. \r
+ Retrieves the current byte-sized value for a PCD token number.\r
If the TokenNumber is invalid, the results are unpredictable.\r
- \r
- @param[in] TokenNumber The PCD token number. \r
+\r
+ @param[in] TokenNumber The PCD token number.\r
\r
@return The UINT8 value.\r
- \r
+\r
**/\r
UINT8\r
EFIAPI\r
/**\r
Retrieves an 16-bit value for a given PCD token.\r
\r
- Retrieves the current 16-bits value for a PCD token number. \r
+ Retrieves the current 16-bits value for a PCD token number.\r
If the TokenNumber is invalid, the results are unpredictable.\r
- \r
- @param[in] TokenNumber The PCD token number. \r
+\r
+ @param[in] TokenNumber The PCD token number.\r
\r
@return The UINT16 value.\r
- \r
+\r
**/\r
UINT16\r
EFIAPI\r
/**\r
Retrieves an 32-bit value for a given PCD token.\r
\r
- Retrieves the current 32-bits value for a PCD token number. \r
+ Retrieves the current 32-bits value for a PCD token number.\r
If the TokenNumber is invalid, the results are unpredictable.\r
- \r
- @param[in] TokenNumber The PCD token number. \r
+\r
+ @param[in] TokenNumber The PCD token number.\r
\r
@return The UINT32 value.\r
- \r
+\r
**/\r
UINT32\r
EFIAPI\r
/**\r
Retrieves an 64-bit value for a given PCD token.\r
\r
- Retrieves the current 64-bits value for a PCD token number. \r
+ Retrieves the current 64-bits value for a PCD token number.\r
If the TokenNumber is invalid, the results are unpredictable.\r
- \r
- @param[in] TokenNumber The PCD token number. \r
+\r
+ @param[in] TokenNumber The PCD token number.\r
\r
@return The UINT64 value.\r
- \r
+\r
**/\r
UINT64\r
EFIAPI\r
/**\r
Retrieves a pointer to a value for a given PCD token.\r
\r
- Retrieves the current pointer to the buffer for a PCD token number. \r
- Do not make any assumptions about the alignment of the pointer that \r
- is returned by this function call. If the TokenNumber is invalid, \r
+ Retrieves the current pointer to the buffer for a PCD token number.\r
+ Do not make any assumptions about the alignment of the pointer that\r
+ is returned by this function call. If the TokenNumber is invalid,\r
the results are unpredictable.\r
\r
- @param[in] TokenNumber The PCD token number. \r
+ @param[in] TokenNumber The PCD token number.\r
\r
@return The pointer to the buffer to be retrieved.\r
- \r
+\r
**/\r
VOID *\r
EFIAPI\r
/**\r
Retrieves a Boolean value for a given PCD token.\r
\r
- Retrieves the current boolean value for a PCD token number. \r
- Do not make any assumptions about the alignment of the pointer that \r
- is returned by this function call. If the TokenNumber is invalid, \r
+ Retrieves the current boolean value for a PCD token number.\r
+ Do not make any assumptions about the alignment of the pointer that\r
+ is returned by this function call. If the TokenNumber is invalid,\r
the results are unpredictable.\r
\r
- @param[in] TokenNumber The PCD token number. \r
+ @param[in] TokenNumber The PCD token number.\r
\r
@return The Boolean value.\r
- \r
+\r
**/\r
BOOLEAN\r
EFIAPI\r
/**\r
Retrieves the size of the value for a given PCD token.\r
\r
- Retrieves the current size of a particular PCD token. \r
+ Retrieves the current size of a particular PCD token.\r
If the TokenNumber is invalid, the results are unpredictable.\r
\r
- @param[in] TokenNumber The PCD token number. \r
+ @param[in] TokenNumber The PCD token number.\r
\r
@return The size of the value for the PCD token.\r
- \r
+\r
**/\r
UINTN\r
EFIAPI\r
/**\r
Retrieves an 8-bit value for a given PCD token.\r
\r
- Retrieves the 8-bit value of a particular PCD token. \r
+ Retrieves the 8-bit value of a particular PCD token.\r
If the TokenNumber is invalid or the token space\r
- specified by Guid does not exist, the results are \r
+ specified by Guid does not exist, the results are\r
unpredictable.\r
\r
@param[in] Guid The token space for the token number.\r
- @param[in] TokenNumber The PCD token number. \r
+ @param[in] TokenNumber The PCD token number.\r
\r
@return The size 8-bit value for the PCD token.\r
- \r
+\r
**/\r
UINT8\r
EFIAPI\r
/**\r
Retrieves an 16-bit value for a given PCD token.\r
\r
- Retrieves the 16-bit value of a particular PCD token. \r
+ Retrieves the 16-bit value of a particular PCD token.\r
If the TokenNumber is invalid or the token space\r
- specified by Guid does not exist, the results are \r
+ specified by Guid does not exist, the results are\r
unpredictable.\r
\r
@param[in] Guid The token space for the token number.\r
- @param[in] TokenNumber The PCD token number. \r
+ @param[in] TokenNumber The PCD token number.\r
\r
@return The size 16-bit value for the PCD token.\r
- \r
+\r
**/\r
UINT16\r
EFIAPI\r
/**\r
Retrieves an 32-bit value for a given PCD token.\r
\r
- Retrieves the 32-bit value of a particular PCD token. \r
+ Retrieves the 32-bit value of a particular PCD token.\r
If the TokenNumber is invalid or the token space\r
- specified by Guid does not exist, the results are \r
+ specified by Guid does not exist, the results are\r
unpredictable.\r
\r
@param[in] Guid The token space for the token number.\r
- @param[in] TokenNumber The PCD token number. \r
+ @param[in] TokenNumber The PCD token number.\r
\r
@return The size 32-bit value for the PCD token.\r
- \r
+\r
**/\r
UINT32\r
EFIAPI\r
/**\r
Retrieves an 64-bit value for a given PCD token.\r
\r
- Retrieves the 64-bit value of a particular PCD token. \r
+ Retrieves the 64-bit value of a particular PCD token.\r
If the TokenNumber is invalid or the token space\r
- specified by Guid does not exist, the results are \r
+ specified by Guid does not exist, the results are\r
unpredictable.\r
\r
@param[in] Guid The token space for the token number.\r
- @param[in] TokenNumber The PCD token number. \r
+ @param[in] TokenNumber The PCD token number.\r
\r
@return The size 64-bit value for the PCD token.\r
- \r
+\r
**/\r
UINT64\r
EFIAPI\r
/**\r
Retrieves a pointer to a value for a given PCD token.\r
\r
- Retrieves the current pointer to the buffer for a PCD token number. \r
- Do not make any assumptions about the alignment of the pointer that \r
- is returned by this function call. If the TokenNumber is invalid, \r
+ Retrieves the current pointer to the buffer for a PCD token number.\r
+ Do not make any assumptions about the alignment of the pointer that\r
+ is returned by this function call. If the TokenNumber is invalid,\r
the results are unpredictable.\r
\r
@param[in] Guid The token space for the token number.\r
- @param[in] TokenNumber The PCD token number. \r
+ @param[in] TokenNumber The PCD token number.\r
\r
@return The pointer to the buffer to be retrieved.\r
- \r
+\r
**/\r
VOID *\r
EFIAPI\r
/**\r
Retrieves an Boolean value for a given PCD token.\r
\r
- Retrieves the Boolean value of a particular PCD token. \r
+ Retrieves the Boolean value of a particular PCD token.\r
If the TokenNumber is invalid or the token space\r
- specified by Guid does not exist, the results are \r
+ specified by Guid does not exist, the results are\r
unpredictable.\r
\r
@param[in] Guid The token space for the token number.\r
- @param[in] TokenNumber The PCD token number. \r
+ @param[in] TokenNumber The PCD token number.\r
\r
@return The size Boolean value for the PCD token.\r
- \r
+\r
**/\r
BOOLEAN\r
EFIAPI\r
/**\r
Retrieves the size of the value for a given PCD token.\r
\r
- Retrieves the current size of a particular PCD token. \r
+ Retrieves the current size of a particular PCD token.\r
If the TokenNumber is invalid, the results are unpredictable.\r
\r
@param[in] Guid The token space for the token number.\r
- @param[in] TokenNumber The PCD token number. \r
+ @param[in] TokenNumber The PCD token number.\r
\r
@return The size of the value for the PCD token.\r
- \r
+\r
**/\r
UINTN\r
EFIAPI\r
/**\r
Sets an 8-bit value for a given PCD token.\r
\r
- When the PCD service sets a value, it will check to ensure that the \r
- size of the value being set is compatible with the Token's existing definition. \r
+ When the PCD service sets a value, it will check to ensure that the\r
+ size of the value being set is compatible with the Token's existing definition.\r
If it is not, an error will be returned.\r
\r
- @param[in] TokenNumber The PCD token number. \r
+ @param[in] TokenNumber The PCD token number.\r
@param[in] Value The value to set for the PCD token.\r
\r
@retval EFI_SUCCESS Procedure returned successfully.\r
- @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r
- being set was incompatible with a call to this function. \r
+ @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r
+ being set was incompatible with a call to this function.\r
Use GetSize() to retrieve the size of the target data.\r
@retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r
- \r
+\r
**/\r
EFI_STATUS\r
EFIAPI\r
/**\r
Sets an 16-bit value for a given PCD token.\r
\r
- When the PCD service sets a value, it will check to ensure that the \r
- size of the value being set is compatible with the Token's existing definition. \r
+ When the PCD service sets a value, it will check to ensure that the\r
+ size of the value being set is compatible with the Token's existing definition.\r
If it is not, an error will be returned.\r
\r
- @param[in] TokenNumber The PCD token number. \r
+ @param[in] TokenNumber The PCD token number.\r
@param[in] Value The value to set for the PCD token.\r
\r
@retval EFI_SUCCESS Procedure returned successfully.\r
- @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r
- being set was incompatible with a call to this function. \r
+ @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r
+ being set was incompatible with a call to this function.\r
Use GetSize() to retrieve the size of the target data.\r
@retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r
- \r
+\r
**/\r
EFI_STATUS\r
EFIAPI\r
/**\r
Sets an 32-bit value for a given PCD token.\r
\r
- When the PCD service sets a value, it will check to ensure that the \r
- size of the value being set is compatible with the Token's existing definition. \r
+ When the PCD service sets a value, it will check to ensure that the\r
+ size of the value being set is compatible with the Token's existing definition.\r
If it is not, an error will be returned.\r
\r
- @param[in] TokenNumber The PCD token number. \r
+ @param[in] TokenNumber The PCD token number.\r
@param[in] Value The value to set for the PCD token.\r
\r
@retval EFI_SUCCESS Procedure returned successfully.\r
- @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r
- being set was incompatible with a call to this function. \r
+ @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r
+ being set was incompatible with a call to this function.\r
Use GetSize() to retrieve the size of the target data.\r
@retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r
- \r
+\r
**/\r
EFI_STATUS\r
EFIAPI\r
/**\r
Sets an 64-bit value for a given PCD token.\r
\r
- When the PCD service sets a value, it will check to ensure that the \r
- size of the value being set is compatible with the Token's existing definition. \r
+ When the PCD service sets a value, it will check to ensure that the\r
+ size of the value being set is compatible with the Token's existing definition.\r
If it is not, an error will be returned.\r
\r
- @param[in] TokenNumber The PCD token number. \r
+ @param[in] TokenNumber The PCD token number.\r
@param[in] Value The value to set for the PCD token.\r
\r
@retval EFI_SUCCESS Procedure returned successfully.\r
- @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r
- being set was incompatible with a call to this function. \r
+ @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r
+ being set was incompatible with a call to this function.\r
Use GetSize() to retrieve the size of the target data.\r
@retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r
- \r
+\r
**/\r
EFI_STATUS\r
EFIAPI\r
/**\r
Sets a value of a specified size for a given PCD token.\r
\r
- When the PCD service sets a value, it will check to ensure that the \r
- size of the value being set is compatible with the Token's existing definition. \r
+ When the PCD service sets a value, it will check to ensure that the\r
+ size of the value being set is compatible with the Token's existing definition.\r
If it is not, an error will be returned.\r
\r
- @param[in] TokenNumber The PCD token number. \r
- @param[in, out] SizeOfBuffer A pointer to the length of the value being set for the PCD token. \r
- On input, if the SizeOfValue is greater than the maximum size supported \r
- for this TokenNumber then the output value of SizeOfValue will reflect \r
+ @param[in] TokenNumber The PCD token number.\r
+ @param[in, out] SizeOfBuffer A pointer to the length of the value being set for the PCD token.\r
+ On input, if the SizeOfValue is greater than the maximum size supported\r
+ for this TokenNumber then the output value of SizeOfValue will reflect\r
the maximum size supported for this TokenNumber.\r
@param[in] Buffer The buffer to set for the PCD token.\r
\r
@retval EFI_SUCCESS Procedure returned successfully.\r
- @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r
- being set was incompatible with a call to this function. \r
+ @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r
+ being set was incompatible with a call to this function.\r
Use GetSize() to retrieve the size of the target data.\r
@retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r
- \r
+\r
**/\r
EFI_STATUS\r
EFIAPI\r
/**\r
Sets an Boolean value for a given PCD token.\r
\r
- When the PCD service sets a value, it will check to ensure that the \r
- size of the value being set is compatible with the Token's existing definition. \r
+ When the PCD service sets a value, it will check to ensure that the\r
+ size of the value being set is compatible with the Token's existing definition.\r
If it is not, an error will be returned.\r
\r
- @param[in] TokenNumber The PCD token number. \r
+ @param[in] TokenNumber The PCD token number.\r
@param[in] Value The value to set for the PCD token.\r
\r
@retval EFI_SUCCESS Procedure returned successfully.\r
- @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r
- being set was incompatible with a call to this function. \r
+ @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r
+ being set was incompatible with a call to this function.\r
Use GetSize() to retrieve the size of the target data.\r
@retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r
- \r
+\r
**/\r
EFI_STATUS\r
EFIAPI\r
/**\r
Sets an 8-bit value for a given PCD token.\r
\r
- When the PCD service sets a value, it will check to ensure that the \r
- size of the value being set is compatible with the Token's existing definition. \r
+ When the PCD service sets a value, it will check to ensure that the\r
+ size of the value being set is compatible with the Token's existing definition.\r
If it is not, an error will be returned.\r
\r
@param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r
- @param[in] TokenNumber The PCD token number. \r
+ @param[in] TokenNumber The PCD token number.\r
@param[in] Value The value to set for the PCD token.\r
\r
@retval EFI_SUCCESS Procedure returned successfully.\r
- @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r
- being set was incompatible with a call to this function. \r
+ @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r
+ being set was incompatible with a call to this function.\r
Use GetSize() to retrieve the size of the target data.\r
@retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r
- \r
+\r
**/\r
EFI_STATUS\r
EFIAPI\r
/**\r
Sets an 16-bit value for a given PCD token.\r
\r
- When the PCD service sets a value, it will check to ensure that the \r
- size of the value being set is compatible with the Token's existing definition. \r
+ When the PCD service sets a value, it will check to ensure that the\r
+ size of the value being set is compatible with the Token's existing definition.\r
If it is not, an error will be returned.\r
\r
@param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r
- @param[in] TokenNumber The PCD token number. \r
+ @param[in] TokenNumber The PCD token number.\r
@param[in] Value The value to set for the PCD token.\r
\r
@retval EFI_SUCCESS Procedure returned successfully.\r
- @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r
- being set was incompatible with a call to this function. \r
+ @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r
+ being set was incompatible with a call to this function.\r
Use GetSize() to retrieve the size of the target data.\r
@retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r
- \r
+\r
**/\r
EFI_STATUS\r
EFIAPI\r
/**\r
Sets an 32-bit value for a given PCD token.\r
\r
- When the PCD service sets a value, it will check to ensure that the \r
- size of the value being set is compatible with the Token's existing definition. \r
+ When the PCD service sets a value, it will check to ensure that the\r
+ size of the value being set is compatible with the Token's existing definition.\r
If it is not, an error will be returned.\r
\r
@param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r
- @param[in] TokenNumber The PCD token number. \r
+ @param[in] TokenNumber The PCD token number.\r
@param[in] Value The value to set for the PCD token.\r
\r
@retval EFI_SUCCESS Procedure returned successfully.\r
- @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r
- being set was incompatible with a call to this function. \r
+ @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r
+ being set was incompatible with a call to this function.\r
Use GetSize() to retrieve the size of the target data.\r
@retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r
- \r
+\r
**/\r
EFI_STATUS\r
EFIAPI\r
/**\r
Sets an 64-bit value for a given PCD token.\r
\r
- When the PCD service sets a value, it will check to ensure that the \r
- size of the value being set is compatible with the Token's existing definition. \r
+ When the PCD service sets a value, it will check to ensure that the\r
+ size of the value being set is compatible with the Token's existing definition.\r
If it is not, an error will be returned.\r
\r
@param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r
- @param[in] TokenNumber The PCD token number. \r
+ @param[in] TokenNumber The PCD token number.\r
@param[in] Value The value to set for the PCD token.\r
\r
@retval EFI_SUCCESS Procedure returned successfully.\r
- @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r
- being set was incompatible with a call to this function. \r
+ @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r
+ being set was incompatible with a call to this function.\r
Use GetSize() to retrieve the size of the target data.\r
@retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r
- \r
+\r
**/\r
EFI_STATUS\r
EFIAPI\r
/**\r
Sets a value of a specified size for a given PCD token.\r
\r
- When the PCD service sets a value, it will check to ensure that the \r
- size of the value being set is compatible with the Token's existing definition. \r
+ When the PCD service sets a value, it will check to ensure that the\r
+ size of the value being set is compatible with the Token's existing definition.\r
If it is not, an error will be returned.\r
\r
@param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r
- @param[in] TokenNumber The PCD token number. \r
- @param[in, out] SizeOfBuffer A pointer to the length of the value being set for the PCD token. \r
- On input, if the SizeOfValue is greater than the maximum size supported \r
- for this TokenNumber then the output value of SizeOfValue will reflect \r
+ @param[in] TokenNumber The PCD token number.\r
+ @param[in, out] SizeOfBuffer A pointer to the length of the value being set for the PCD token.\r
+ On input, if the SizeOfValue is greater than the maximum size supported\r
+ for this TokenNumber then the output value of SizeOfValue will reflect\r
the maximum size supported for this TokenNumber.\r
@param[in] Buffer The buffer to set for the PCD token.\r
\r
@retval EFI_SUCCESS Procedure returned successfully.\r
- @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r
- being set was incompatible with a call to this function. \r
+ @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r
+ being set was incompatible with a call to this function.\r
Use GetSize() to retrieve the size of the target data.\r
@retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r
- \r
+\r
**/\r
EFI_STATUS\r
EFIAPI\r
/**\r
Sets an Boolean value for a given PCD token.\r
\r
- When the PCD service sets a value, it will check to ensure that the \r
- size of the value being set is compatible with the Token's existing definition. \r
+ When the PCD service sets a value, it will check to ensure that the\r
+ size of the value being set is compatible with the Token's existing definition.\r
If it is not, an error will be returned.\r
\r
@param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r
- @param[in] TokenNumber The PCD token number. \r
+ @param[in] TokenNumber The PCD token number.\r
@param[in] Value The value to set for the PCD token.\r
\r
@retval EFI_SUCCESS Procedure returned successfully.\r
- @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r
- being set was incompatible with a call to this function. \r
+ @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r
+ being set was incompatible with a call to this function.\r
Use GetSize() to retrieve the size of the target data.\r
@retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r
- \r
+\r
**/\r
EFI_STATUS\r
EFIAPI\r
Specifies a function to be called anytime the value of a designated token is changed.\r
\r
@param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r
- @param[in] TokenNumber The PCD token number. \r
- @param[in] CallBackFunction The function prototype called when the value associated with the CallBackToken is set. \r
+ @param[in] TokenNumber The PCD token number.\r
+ @param[in] CallBackFunction The function prototype called when the value associated with the CallBackToken is set.\r
\r
- @retval EFI_SUCCESS The PCD service has successfully established a call event \r
+ @retval EFI_SUCCESS The PCD service has successfully established a call event\r
for the CallBackToken requested.\r
@retval EFI_NOT_FOUND The PCD service could not find the referenced token number.\r
\r
Cancels a previously set callback function for a particular PCD token number.\r
\r
@param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r
- @param[in] TokenNumber The PCD token number. \r
- @param[in] CallBackFunction The function prototype called when the value associated with the CallBackToken is set. \r
+ @param[in] TokenNumber The PCD token number.\r
+ @param[in] CallBackFunction The function prototype called when the value associated with the CallBackToken is set.\r
\r
- @retval EFI_SUCCESS The PCD service has successfully established a call event \r
+ @retval EFI_SUCCESS The PCD service has successfully established a call event\r
for the CallBackToken requested.\r
@retval EFI_NOT_FOUND The PCD service could not find the referenced token number.\r
\r
);\r
\r
/**\r
- Retrieves the next valid PCD token for a given namespace.\r
-\r
- @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r
- @param[in, out] TokenNumber A pointer to the PCD token number to use to find the subsequent token number. \r
- If the input token namespace or token number does not exist on the platform, \r
- an error is returned and the value of *TokenNumber is undefined. To retrieve the "first" token, \r
- have the pointer reference a TokenNumber value of 0. If the input token number is 0 and \r
- there is no valid token number for this token namespace, *TokenNumber will be assigned to \r
- 0 and the function return EFI_SUCCESS. If the token number is the last valid token number, \r
- *TokenNumber will be assigned to 0 and the function return EFI_SUCCESS.\r
-\r
- @retval EFI_SUCCESS The PCD service retrieved the next valid token number. Or the input token number \r
- is already the last valid token number in the PCD database. \r
+ Retrieves the next valid token number in a given namespace.\r
+\r
+ This is useful since the PCD infrastructure contains a sparse list of token numbers,\r
+ and one cannot a priori know what token numbers are valid in the database.\r
+\r
+ If TokenNumber is 0 and Guid is not NULL, then the first token from the token space specified by Guid is returned.\r
+ If TokenNumber is not 0 and Guid is not NULL, then the next token in the token space specified by Guid is returned.\r
+ If TokenNumber is 0 and Guid is NULL, then the first token in the default token space is returned.\r
+ If TokenNumber is not 0 and Guid is NULL, then the next token in the default token space is returned.\r
+ The token numbers in the default token space may not be related to token numbers in token spaces that are named by Guid.\r
+ If the next token number can be retrieved, then it is returned in TokenNumber, and EFI_SUCCESS is returned.\r
+ If TokenNumber represents the last token number in the token space specified by Guid, then EFI_NOT_FOUND is returned.\r
+ If TokenNumber is not present in the token space specified by Guid, then EFI_NOT_FOUND is returned.\r
+\r
+\r
+ @param[in] Guid The 128-bit unique value that designates the namespace from which to retrieve the next token.\r
+ This is an optional parameter that may be NULL. If this parameter is NULL, then a request is\r
+ being made to retrieve tokens from the default token space.\r
+ @param[in, out] TokenNumber\r
+ A pointer to the PCD token number to use to find the subsequent token number.\r
+\r
+ @retval EFI_SUCCESS The PCD service retrieved the next valid token number. Or the input token number\r
+ is already the last valid token number in the PCD database.\r
In the later case, *TokenNumber is updated with the value of 0.\r
@retval EFI_NOT_FOUND If this input token number and token namespace does not exist on the platform.\r
\r
\r
/**\r
Get next token space in PCD database according to given token space guid.\r
- \r
- This routine is enable only when feature flag PCD PcdDxePcdDatabaseTraverseEnabled \r
- is TRUE.\r
- \r
- @param Guid Given token space guid. If NULL, then Guid will be set to \r
+\r
+ @param Guid Given token space guid. If NULL, then Guid will be set to\r
the first PCD token space in PCD database, If not NULL, then\r
Guid will be set to next PCD token space.\r
\r
- @retval EFI_UNSUPPORTED If feature flag PCD PcdDxePcdDatabaseTraverseEnabled is FALSE.\r
@retval EFI_NOT_FOUND If PCD database has no token space table or can not find given\r
token space in PCD database.\r
@retval EFI_SUCCESS Success to get next token space guid.\r
// Internal Functions\r
//\r
\r
+/**\r
+ Retrieve additional information associated with a PCD token.\r
+\r
+ This includes information such as the type of value the TokenNumber is associated with as well as possible\r
+ human readable name that is associated with the token.\r
+\r
+ @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r
+ @param[in] TokenNumber The PCD token number.\r
+ @param[out] PcdInfo The returned information associated with the requested TokenNumber.\r
+ The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName.\r
+\r
+ @retval EFI_SUCCESS The PCD information was returned successfully\r
+ @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r
+**/\r
+EFI_STATUS\r
+DxeGetPcdInfo (\r
+ IN CONST EFI_GUID *Guid,\r
+ IN UINTN TokenNumber,\r
+ OUT EFI_PCD_INFO *PcdInfo\r
+ );\r
+\r
/**\r
Wrapper function for setting non-pointer type value for a PCD entry.\r
\r
\r
@retval EFI_INVALID_PARAMETER If this PCD type is VPD, VPD PCD can not be set.\r
@retval EFI_INVALID_PARAMETER If Size can not be set to size table.\r
+ @retval EFI_INVALID_PARAMETER If Size of non-Ptr type PCD does not match the size information in PCD database.\r
@retval EFI_NOT_FOUND If value type of PCD entry is intergrate, but not in\r
range of UINT8, UINT16, UINT32, UINT64\r
- @retval EFI_NOT_FOUND Can not find the PCD type according to token number. \r
+ @retval EFI_NOT_FOUND Can not find the PCD type according to token number.\r
**/\r
EFI_STATUS\r
SetWorker (\r
\r
/**\r
Set value for a dynamic PCD entry.\r
- \r
- This routine find the local token number according to dynamic-ex PCD's token \r
+\r
+ This routine find the local token number according to dynamic-ex PCD's token\r
space guid and token number firstly, and invoke callback function if this PCD\r
entry registered callback function. Finally, invoken general SetWorker to set\r
PCD value.\r
- \r
+\r
@param ExTokenNumber Dynamic-ex PCD token number.\r
@param Guid Token space guid for dynamic-ex PCD.\r
@param Data PCD value want to be set\r
\r
/**\r
Get the PCD entry pointer in PCD database.\r
- \r
+\r
This routine will visit PCD database to find the PCD entry according to given\r
- token number. The given token number is autogened by build tools and it will be \r
- translated to local token number. Local token number contains PCD's type and \r
+ token number. The given token number is autogened by build tools and it will be\r
+ translated to local token number. Local token number contains PCD's type and\r
offset of PCD entry in PCD database.\r
\r
@param TokenNumber Token's number, it is autogened by build tools\r
IN UINTN GetSize\r
);\r
\r
-/**\r
- Find the local token number according to system SKU ID.\r
-\r
- @param LocalTokenNumber PCD token number\r
- @param Size The size of PCD entry.\r
- @param IsPeiDb If TRUE, the PCD entry is initialized in PEI phase.\r
- If False, the PCD entry is initialized in DXE phase.\r
-\r
- @return Token number according to system SKU ID.\r
-\r
-**/\r
-UINT32\r
-GetSkuEnabledTokenNumber (\r
- UINT32 LocalTokenNumber,\r
- UINTN Size,\r
- BOOLEAN IsPeiDb\r
- );\r
-\r
/**\r
Get Variable which contains HII type PCD entry.\r
\r
@param VariableGuid Variable's guid\r
@param VariableName Variable's unicode name string\r
- @param VariableData Variable's data pointer, \r
+ @param VariableData Variable's data pointer,\r
@param VariableSize Variable's size.\r
\r
@return the status of gRT->GetVariable\r
/**\r
Set value for HII-type PCD.\r
\r
- A HII-type PCD's value is stored in a variable. Setting/Getting the value of \r
+ A HII-type PCD's value is stored in a variable. Setting/Getting the value of\r
HII-type PCD is to visit this variable.\r
- \r
+\r
@param VariableGuid Guid of variable which stored value of a HII-type PCD.\r
@param VariableName Unicode name of variable which stored value of a HII-type PCD.\r
+ @param SetAttributes Attributes bitmask to set for the variable.\r
@param Data Value want to be set.\r
@param DataSize Size of value\r
@param Offset Value offset of HII-type PCD in variable.\r
SetHiiVariable (\r
IN EFI_GUID *VariableGuid,\r
IN UINT16 *VariableName,\r
+ IN UINT32 SetAttributes,\r
IN CONST VOID *Data,\r
IN UINTN DataSize,\r
IN UINTN Offset\r
\r
This routine will register a callback function to a PCD entry by given token number\r
and token space guid.\r
- \r
+\r
@param TokenNumber PCD token's number, it is autogened by build tools.\r
- @param Guid PCD token space's guid, \r
+ @param Guid PCD token space's guid,\r
if not NULL, this PCD is dynamicEx type PCD.\r
@param CallBackFunction Callback function pointer\r
\r
\r
/**\r
Initialize the PCD database in DXE phase.\r
- \r
+\r
PCD database in DXE phase also contains PCD database in PEI phase which is copied\r
from GUID Hob.\r
\r
);\r
\r
/**\r
- Get local token number according to dynamic-ex PCD's {token space guid:token number}\r
+ Get Token Number according to dynamic-ex PCD's {token space guid:token number}\r
\r
A dynamic-ex type PCD, developer must provide pair of token space guid: token number\r
in DEC file. PCD database maintain a mapping table that translate pair of {token\r
- space guid: token number} to local token number.\r
- \r
+ space guid: token number} to Token Number.\r
+\r
@param Guid Token space guid for dynamic-ex PCD entry.\r
@param ExTokenNumber Dynamic-ex PCD token number.\r
\r
- @return local token number for dynamic-ex PCD.\r
+ @return Token Number for dynamic-ex PCD.\r
\r
**/\r
UINTN\r
\r
/**\r
Get next token number in given token space.\r
- \r
+\r
This routine is used for dynamicEx type PCD. It will firstly scan token space\r
- table to get token space according to given token space guid. Then scan given \r
- token number in found token space, if found, then return next token number in \r
+ table to get token space according to given token space guid. Then scan given\r
+ token number in found token space, if found, then return next token number in\r
this token space.\r
\r
- @param Guid Token space guid. Next token number will be scaned in \r
+ @param Guid Token space guid. Next token number will be scaned in\r
this token space.\r
- @param TokenNumber Token number. \r
- If PCD_INVALID_TOKEN_NUMBER, return first token number in \r
+ @param TokenNumber Token number.\r
+ If PCD_INVALID_TOKEN_NUMBER, return first token number in\r
token space table.\r
If not PCD_INVALID_TOKEN_NUMBER, return next token number\r
in token space table.\r
IN OUT UINTN *CurrentSize\r
);\r
\r
-extern EFI_GUID gPcdDataBaseHobGuid;\r
+/**\r
+ VariableLockProtocol callback\r
+ to lock the variables referenced by DynamicHii PCDs with RO property set in *.dsc.\r
+\r
+ @param[in] Event Event whose notification function is being invoked.\r
+ @param[in] Context Pointer to the notification function's context.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+VariableLockCallBack (\r
+ IN EFI_EVENT Event,\r
+ IN VOID *Context\r
+ );\r
+\r
+/**\r
+ Update PCD database base on current SkuId\r
+\r
+ @param SkuId Current SkuId\r
+ @param IsPeiDb Whether to update PEI PCD database.\r
+\r
+ @retval EFI_SUCCESS Update PCD database successfully.\r
+ @retval EFI_NOT_FOUND Not found PCD database for current SkuId.\r
+**/\r
+EFI_STATUS\r
+UpdatePcdDatabase (\r
+ IN SKU_ID SkuId,\r
+ IN BOOLEAN IsPeiDb\r
+ );\r
+\r
+extern PCD_DATABASE mPcdDatabase;\r
+\r
+extern UINT32 mPcdTotalTokenCount;\r
+extern UINT32 mPeiLocalTokenCount;\r
+extern UINT32 mDxeLocalTokenCount;\r
+extern UINT32 mPeiNexTokenCount;\r
+extern UINT32 mDxeNexTokenCount;\r
+extern UINT32 mPeiExMapppingTableSize;\r
+extern UINT32 mDxeExMapppingTableSize;\r
+extern UINT32 mPeiGuidTableSize;\r
+extern UINT32 mDxeGuidTableSize;\r
\r
-extern PCD_DATABASE * mPcdDatabase;\r
+extern BOOLEAN mPeiExMapTableEmpty;\r
+extern BOOLEAN mDxeExMapTableEmpty;\r
+extern BOOLEAN mPeiDatabaseEmpty;\r
\r
-extern DXE_PCD_DATABASE_INIT gDXEPcdDbInit;\r
+extern EFI_GUID **TmpTokenSpaceBuffer;\r
+extern UINTN TmpTokenSpaceBufferCount;\r
\r
extern EFI_LOCK mPcdDatabaseLock;\r
\r
#endif\r
+\r
projects / mirror_edk2.git / blobdiff