* [PATCH V1] IntelFsp2Pkg: Add Definition of EDKII_PEI_VARIABLE_PPI
@ 2022-07-18 20:17 Nate DeSimone
2022-07-18 20:30 ` Chiu, Chasel
0 siblings, 1 reply; 2+ messages in thread
From: Nate DeSimone @ 2022-07-18 20:17 UTC (permalink / raw)
To: devel; +Cc: Chasel Chiu
Adds definition of EDKII_PEI_VARIABLE_PPI.
Cc: Chasel Chiu <chasel.chiu@intel.com>
Signed-off-by: Nate DeSimone <nathaniel.l.desimone@intel.com>
---
IntelFsp2Pkg/Include/Ppi/Variable.h | 195 ++++++++++++++++++++++++++++
IntelFsp2Pkg/IntelFsp2Pkg.dec | 8 +-
2 files changed, 202 insertions(+), 1 deletion(-)
create mode 100644 IntelFsp2Pkg/Include/Ppi/Variable.h
diff --git a/IntelFsp2Pkg/Include/Ppi/Variable.h b/IntelFsp2Pkg/Include/Ppi/Variable.h
new file mode 100644
index 0000000000..3e1f4b98a9
--- /dev/null
+++ b/IntelFsp2Pkg/Include/Ppi/Variable.h
@@ -0,0 +1,195 @@
+/** @file
+ EDKII PEI Variable PPI provides an implementation of variables
+ intended for use as a means to store data in the PEI environment.
+
+ Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef EDKII_PEI_VARIABLE_PPI_H_
+#define EDKII_PEI_VARIABLE_PPI_H_
+
+#define EDKII_PEI_VARIABLE_PPI_GUID \
+ { \
+ 0xe7b2cd04, 0x4b14, 0x44c2, { 0xb7, 0x48, 0xce, 0xaf, 0x2b, 0x66, 0x4a, 0xb0 } \
+ }
+
+typedef struct _EDKII_PEI_VARIABLE_PPI EDKII_PEI_VARIABLE_PPI;
+
+/**
+ This service retrieves a variable's value using its name and GUID.
+
+ Read the specified variable from the UEFI variable store. If the Data
+ buffer is too small to hold the contents of the variable,
+ the error EFI_BUFFER_TOO_SMALL is returned and DataSize is set to the
+ required buffer size to obtain the data.
+
+ @param[in] This A pointer to this instance of the EDKII_PEI_VARIABLE_PPI.
+ @param[in] VariableName A pointer to a null-terminated string that is the variable's name.
+ @param[in] VariableGuid A pointer to an EFI_GUID that is the variable's GUID. The combination of
+ VariableGuid and VariableName must be unique.
+ @param[out] Attributes If non-NULL, on return, points to the variable's attributes.
+ @param[in, out] DataSize On entry, points to the size in bytes of the Data buffer.
+ On return, points to the size of the data returned in Data.
+ @param[out] Data Points to the buffer which will hold the returned variable value.
+ May be NULL with a zero DataSize in order to determine the size of the
+ buffer needed.
+
+ @retval EFI_SUCCESS The variable was read successfully.
+ @retval EFI_NOT_FOUND The variable was not found.
+ @retval EFI_BUFFER_TOO_SMALL The DataSize is too small for the resulting data.
+ DataSize is updated with the size required for
+ the specified variable.
+ @retval EFI_INVALID_PARAMETER VariableName, VariableGuid, DataSize or Data is NULL.
+ @retval EFI_DEVICE_ERROR The variable could not be retrieved because of a device error.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EDKII_PEI_GET_VARIABLE)(
+ IN CONST EDKII_PEI_VARIABLE_PPI *This,
+ IN CONST CHAR16 *VariableName,
+ IN CONST EFI_GUID *VariableGuid,
+ OUT UINT32 *Attributes OPTIONAL,
+ IN OUT UINTN *DataSize,
+ OUT VOID *Data OPTIONAL
+ );
+
+/**
+ Return the next variable name and GUID.
+
+ This function is called multiple times to retrieve the VariableName
+ and VariableGuid of all variables currently available in the system.
+ On each call, the previous results are passed into the interface,
+ and, on return, the interface returns the data for the next
+ variable. To get started, VariableName should initially contain L"\0"
+ and VariableNameSize should be sizeof(CHAR16). When the entire
+ variable list has been returned, EFI_NOT_FOUND is returned.
+
+ @param[in] This A pointer to this instance of the EDKII_PEI_VARIABLE_PPI.
+ @param[in, out] VariableNameSize On entry, points to the size of the buffer pointed to by VariableName.
+ On return, the size of the variable name buffer.
+ @param[in, out] VariableName On entry, a pointer to a null-terminated string that is the variable's name.
+ On return, points to the next variable's null-terminated name string.
+ @param[in, out] VariableGuid On entry, a pointer to an EFI_GUID that is the variable's GUID.
+ On return, a pointer to the next variable's GUID.
+
+ @retval EFI_SUCCESS The next variable name was read successfully.
+ @retval EFI_NOT_FOUND All variables have been enumerated.
+ @retval EFI_BUFFER_TOO_SMALL The VariableNameSize is too small for the resulting
+ data. VariableNameSize is updated with the size
+ required for the specified variable.
+ @retval EFI_INVALID_PARAMETER VariableName, VariableGuid or
+ VariableNameSize is NULL.
+ @retval EFI_DEVICE_ERROR The variable could not be retrieved because of a device error.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EDKII_PEI_GET_NEXT_VARIABLE_NAME)(
+ IN CONST EDKII_PEI_VARIABLE_PPI *This,
+ IN OUT UINTN *VariableNameSize,
+ IN OUT CHAR16 *VariableName,
+ IN OUT EFI_GUID *VariableGuid
+ );
+
+/**
+ Sets the value of a variable.
+
+ @param[in] This A pointer to this instance of the EDKII_PEI_VARIABLE_PPI.
+ @param[in] VariableName A Null-terminated string that is the name of the vendor's variable.
+ Each VariableName is unique for each VendorGuid. VariableName must
+ contain 1 or more characters. If VariableName is an empty string,
+ then EFI_INVALID_PARAMETER is returned.
+ @param[in] VendorGuid A unique identifier for the vendor.
+ @param[in] Attributes Attributes bitmask to set for the variable.
+ @param[in] DataSize The size in bytes of the Data buffer. Unless the EFI_VARIABLE_APPEND_WRITE
+ attribute is set, a size of zero causes the variable to be deleted. When the
+ EFI_VARIABLE_APPEND_WRITE attribute is set, then a SetVariable() call with a
+ DataSize of zero will not cause any change to the variable value.
+ @param[in] Data The contents for the variable.
+
+ @retval EFI_SUCCESS The firmware has successfully stored the variable and its data as
+ defined by the Attributes.
+ @retval EFI_INVALID_PARAMETER An invalid combination of attribute bits, name, and GUID was supplied, or the
+ DataSize exceeds the maximum allowed.
+ @retval EFI_INVALID_PARAMETER VariableName is an empty string.
+ @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the variable and its data.
+ @retval EFI_DEVICE_ERROR The variable could not be stored due to a hardware error.
+ @retval EFI_WRITE_PROTECTED The variable in question is read-only.
+ @retval EFI_WRITE_PROTECTED The variable in question cannot be deleted.
+ @retval EFI_SECURITY_VIOLATION The variable could not be written due to EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS,
+ or EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS, or
+ EFI_VARIABLE_ENHANCED_AUTHENTICATED_ACCESS being set. Writing to authenticated
+ variables is not supported in the PEI environment. Updates to authenticated
+ variables can be requested during PEI via the EFI_AUTHENTICATED_VARIABLE_HOB, but
+ these updates won't be written to non-volatile storage until later in DXE.
+ The EFI_AUTHENTICATED_VARIABLE_HOB is a HOB with the GUID
+ gEfiAuthenticatedVariableGuid. This HOB contains a VARIABLE_STORE_HEADER followed
+ by one or more UEFI variables, which are stored as DWORD aligned tuples of
+ (VARIABLE_HEADER + CHAR16 VariableName + VariableData).
+ See MdeModulePkg/Include/Guid/VariableFormat.h for these data structure
+ definitions and MdeModulePkg/Universal/Variable/RuntimeDxe/VariableParsing.c for
+ an example of how to parse these data structures.
+ @retval EFI_NOT_FOUND The variable trying to be updated or deleted was not found.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EDKII_PEI_SET_VARIABLE)(
+ IN CONST EDKII_PEI_VARIABLE_PPI *This,
+ IN CHAR16 *VariableName,
+ IN EFI_GUID *VendorGuid,
+ IN UINT32 Attributes,
+ IN UINTN DataSize,
+ IN VOID *Data
+ );
+
+/**
+ Returns information about the UEFI variables.
+
+ @param[in] This A pointer to this instance of the EDKII_PEI_VARIABLE_PPI.
+ @param[in] Attributes Attributes bitmask to specify the type of variables on
+ which to return information.
+ @param[out] MaximumVariableStorageSize On output the maximum size of the storage space
+ available for the EFI variables associated with the
+ attributes specified.
+ @param[out] RemainingVariableStorageSize Returns the remaining size of the storage space
+ available for the EFI variables associated with the
+ attributes specified.
+ @param[out] MaximumVariableSize Returns the maximum size of the individual EFI
+ variables associated with the attributes specified.
+
+ @retval EFI_SUCCESS Valid answer returned.
+ @retval EFI_INVALID_PARAMETER An invalid combination of attribute bits was supplied
+ @retval EFI_UNSUPPORTED The attribute is not supported on this platform, and the
+ MaximumVariableStorageSize,
+ RemainingVariableStorageSize, MaximumVariableSize
+ are undefined.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EDKII_PEI_QUERY_VARIABLE_INFO)(
+ IN CONST EDKII_PEI_VARIABLE_PPI *This,
+ IN UINT32 Attributes,
+ OUT UINT64 *MaximumVariableStorageSize,
+ OUT UINT64 *RemainingVariableStorageSize,
+ OUT UINT64 *MaximumVariableSize
+ );
+
+///
+/// PEI Variable PPI is intended for use as a means
+/// to store data in the PEI environment.
+///
+struct _EDKII_PEI_VARIABLE_PPI {
+ EDKII_PEI_GET_VARIABLE GetVariable;
+ EDKII_PEI_GET_NEXT_VARIABLE_NAME GetNextVariableName;
+ EDKII_PEI_SET_VARIABLE SetVariable;
+ EDKII_PEI_QUERY_VARIABLE_INFO QueryVariableInfo;
+};
+
+extern EFI_GUID gEdkiiPeiVariablePpiGuid;
+
+#endif
diff --git a/IntelFsp2Pkg/IntelFsp2Pkg.dec b/IntelFsp2Pkg/IntelFsp2Pkg.dec
index 58eac7220d..2d3eb708b9 100644
--- a/IntelFsp2Pkg/IntelFsp2Pkg.dec
+++ b/IntelFsp2Pkg/IntelFsp2Pkg.dec
@@ -1,7 +1,7 @@
## @file
# Provides driver and definitions to build fsp in EDKII bios.
#
-# Copyright (c) 2014 - 2021, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2014 - 2022, Intel Corporation. All rights reserved.<BR>
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
##
@@ -59,6 +59,12 @@
#
gFspTempRamExitPpiGuid = { 0xbc1cfbdb, 0x7e50, 0x42be, {0xb4, 0x87, 0x22, 0xe0, 0xa9, 0x0c, 0xb0, 0x52}}
+ #
+ # PPI for Variable Services
+ #
+ gEdkiiPeiVariablePpiGuid = { 0xe7b2cd04, 0x4b14, 0x44c2, {0xb7, 0x48, 0xce, 0xaf, 0x2b, 0x66, 0x4a, 0xb0}}
+
+
[Guids]
#
# GUID defined in package
--
2.27.0.windows.1
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH V1] IntelFsp2Pkg: Add Definition of EDKII_PEI_VARIABLE_PPI
2022-07-18 20:17 [PATCH V1] IntelFsp2Pkg: Add Definition of EDKII_PEI_VARIABLE_PPI Nate DeSimone
@ 2022-07-18 20:30 ` Chiu, Chasel
0 siblings, 0 replies; 2+ messages in thread
From: Chiu, Chasel @ 2022-07-18 20:30 UTC (permalink / raw)
To: Desimone, Nathaniel L, devel@edk2.groups.io
Reviewed-by: Chasel Chiu <chasel.chiu@intel.com>
Thanks,
Chasel
> -----Original Message-----
> From: Desimone, Nathaniel L <nathaniel.l.desimone@intel.com>
> Sent: Monday, July 18, 2022 1:17 PM
> To: devel@edk2.groups.io
> Cc: Chiu, Chasel <chasel.chiu@intel.com>
> Subject: [PATCH V1] IntelFsp2Pkg: Add Definition of EDKII_PEI_VARIABLE_PPI
>
> Adds definition of EDKII_PEI_VARIABLE_PPI.
>
> Cc: Chasel Chiu <chasel.chiu@intel.com>
> Signed-off-by: Nate DeSimone <nathaniel.l.desimone@intel.com>
> ---
> IntelFsp2Pkg/Include/Ppi/Variable.h | 195 ++++++++++++++++++++++++++++
> IntelFsp2Pkg/IntelFsp2Pkg.dec | 8 +-
> 2 files changed, 202 insertions(+), 1 deletion(-) create mode 100644
> IntelFsp2Pkg/Include/Ppi/Variable.h
>
> diff --git a/IntelFsp2Pkg/Include/Ppi/Variable.h
> b/IntelFsp2Pkg/Include/Ppi/Variable.h
> new file mode 100644
> index 0000000000..3e1f4b98a9
> --- /dev/null
> +++ b/IntelFsp2Pkg/Include/Ppi/Variable.h
> @@ -0,0 +1,195 @@
> +/** @file
> + EDKII PEI Variable PPI provides an implementation of variables
> + intended for use as a means to store data in the PEI environment.
> +
> + Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>
> + SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> +**/
> +
> +#ifndef EDKII_PEI_VARIABLE_PPI_H_
> +#define EDKII_PEI_VARIABLE_PPI_H_
> +
> +#define EDKII_PEI_VARIABLE_PPI_GUID \
> + { \
> + 0xe7b2cd04, 0x4b14, 0x44c2, { 0xb7, 0x48, 0xce, 0xaf, 0x2b, 0x66,
> +0x4a, 0xb0 } \
> + }
> +
> +typedef struct _EDKII_PEI_VARIABLE_PPI EDKII_PEI_VARIABLE_PPI;
> +
> +/**
> + This service retrieves a variable's value using its name and GUID.
> +
> + Read the specified variable from the UEFI variable store. If the Data
> + buffer is too small to hold the contents of the variable, the error
> + EFI_BUFFER_TOO_SMALL is returned and DataSize is set to the required
> + buffer size to obtain the data.
> +
> + @param[in] This A pointer to this instance of the
> EDKII_PEI_VARIABLE_PPI.
> + @param[in] VariableName A pointer to a null-terminated string that is
> the variable's name.
> + @param[in] VariableGuid A pointer to an EFI_GUID that is the variable's
> GUID. The combination of
> + VariableGuid and VariableName must be unique.
> + @param[out] Attributes If non-NULL, on return, points to the
> variable's attributes.
> + @param[in, out] DataSize On entry, points to the size in bytes of the
> Data buffer.
> + On return, points to the size of the data returned in Data.
> + @param[out] Data Points to the buffer which will hold the returned
> variable value.
> + May be NULL with a zero DataSize in order to determine
> the size of the
> + buffer needed.
> +
> + @retval EFI_SUCCESS The variable was read successfully.
> + @retval EFI_NOT_FOUND The variable was not found.
> + @retval EFI_BUFFER_TOO_SMALL The DataSize is too small for the
> resulting data.
> + DataSize is updated with the size required for
> + the specified variable.
> + @retval EFI_INVALID_PARAMETER VariableName, VariableGuid, DataSize
> or Data is NULL.
> + @retval EFI_DEVICE_ERROR The variable could not be retrieved
> because of a device error.
> +
> +**/
> +typedef
> +EFI_STATUS
> +(EFIAPI *EDKII_PEI_GET_VARIABLE)(
> + IN CONST EDKII_PEI_VARIABLE_PPI *This,
> + IN CONST CHAR16 *VariableName,
> + IN CONST EFI_GUID *VariableGuid,
> + OUT UINT32 *Attributes OPTIONAL,
> + IN OUT UINTN *DataSize,
> + OUT VOID *Data OPTIONAL
> + );
> +
> +/**
> + Return the next variable name and GUID.
> +
> + This function is called multiple times to retrieve the VariableName
> + and VariableGuid of all variables currently available in the system.
> + On each call, the previous results are passed into the interface,
> + and, on return, the interface returns the data for the next variable.
> + To get started, VariableName should initially contain L"\0"
> + and VariableNameSize should be sizeof(CHAR16). When the entire
> + variable list has been returned, EFI_NOT_FOUND is returned.
> +
> + @param[in] This A pointer to this instance of the
> EDKII_PEI_VARIABLE_PPI.
> + @param[in, out] VariableNameSize On entry, points to the size of the buffer
> pointed to by VariableName.
> + On return, the size of the variable name buffer.
> + @param[in, out] VariableName On entry, a pointer to a null-terminated
> string that is the variable's name.
> + On return, points to the next variable's null-terminated
> name string.
> + @param[in, out] VariableGuid On entry, a pointer to an EFI_GUID that is
> the variable's GUID.
> + On return, a pointer to the next variable's GUID.
> +
> + @retval EFI_SUCCESS The next variable name was read successfully.
> + @retval EFI_NOT_FOUND All variables have been enumerated.
> + @retval EFI_BUFFER_TOO_SMALL The VariableNameSize is too small for
> the resulting
> + data. VariableNameSize is updated with the size
> + required for the specified variable.
> + @retval EFI_INVALID_PARAMETER VariableName, VariableGuid or
> + VariableNameSize is NULL.
> + @retval EFI_DEVICE_ERROR The variable could not be retrieved
> because of a device error.
> +
> +**/
> +typedef
> +EFI_STATUS
> +(EFIAPI *EDKII_PEI_GET_NEXT_VARIABLE_NAME)(
> + IN CONST EDKII_PEI_VARIABLE_PPI *This,
> + IN OUT UINTN *VariableNameSize,
> + IN OUT CHAR16 *VariableName,
> + IN OUT EFI_GUID *VariableGuid
> + );
> +
> +/**
> + Sets the value of a variable.
> +
> + @param[in] This A pointer to this instance of the
> EDKII_PEI_VARIABLE_PPI.
> + @param[in] VariableName A Null-terminated string that is the name of
> the vendor's variable.
> + Each VariableName is unique for each VendorGuid.
> VariableName must
> + contain 1 or more characters. If VariableName is an empty
> string,
> + then EFI_INVALID_PARAMETER is returned.
> + @param[in] VendorGuid A unique identifier for the vendor.
> + @param[in] Attributes Attributes bitmask to set for the variable.
> + @param[in] DataSize The size in bytes of the Data buffer. Unless the
> EFI_VARIABLE_APPEND_WRITE
> + attribute is set, a size of zero causes the variable to be
> deleted. When the
> + EFI_VARIABLE_APPEND_WRITE attribute is set, then a
> SetVariable() call with a
> + DataSize of zero will not cause any change to the variable
> value.
> + @param[in] Data The contents for the variable.
> +
> + @retval EFI_SUCCESS The firmware has successfully stored the
> variable and its data as
> + defined by the Attributes.
> + @retval EFI_INVALID_PARAMETER An invalid combination of attribute bits,
> name, and GUID was supplied, or the
> + DataSize exceeds the maximum allowed.
> + @retval EFI_INVALID_PARAMETER VariableName is an empty string.
> + @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold
> the variable and its data.
> + @retval EFI_DEVICE_ERROR The variable could not be stored due to a
> hardware error.
> + @retval EFI_WRITE_PROTECTED The variable in question is read-only.
> + @retval EFI_WRITE_PROTECTED The variable in question cannot be
> deleted.
> + @retval EFI_SECURITY_VIOLATION The variable could not be written due
> to EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS,
> + or
> EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS, or
> + EFI_VARIABLE_ENHANCED_AUTHENTICATED_ACCESS
> being set. Writing to authenticated
> + variables is not supported in the PEI environment. Updates
> to authenticated
> + variables can be requested during PEI via the
> EFI_AUTHENTICATED_VARIABLE_HOB, but
> + these updates won't be written to non-volatile storage
> until later in DXE.
> + The EFI_AUTHENTICATED_VARIABLE_HOB is a HOB with
> the GUID
> + gEfiAuthenticatedVariableGuid. This HOB contains a
> VARIABLE_STORE_HEADER followed
> + by one or more UEFI variables, which are stored as
> DWORD aligned tuples of
> + (VARIABLE_HEADER + CHAR16 VariableName +
> VariableData).
> + See MdeModulePkg/Include/Guid/VariableFormat.h for
> these data structure
> + definitions and
> MdeModulePkg/Universal/Variable/RuntimeDxe/VariableParsing.c for
> + an example of how to parse these data structures.
> + @retval EFI_NOT_FOUND The variable trying to be updated or deleted
> was not found.
> +
> +**/
> +typedef
> +EFI_STATUS
> +(EFIAPI *EDKII_PEI_SET_VARIABLE)(
> + IN CONST EDKII_PEI_VARIABLE_PPI *This,
> + IN CHAR16 *VariableName,
> + IN EFI_GUID *VendorGuid,
> + IN UINT32 Attributes,
> + IN UINTN DataSize,
> + IN VOID *Data
> + );
> +
> +/**
> + Returns information about the UEFI variables.
> +
> + @param[in] This A pointer to this instance of the
> EDKII_PEI_VARIABLE_PPI.
> + @param[in] Attributes Attributes bitmask to specify the type of
> variables on
> + which to return information.
> + @param[out] MaximumVariableStorageSize On output the maximum size
> of the storage space
> + available for the EFI variables associated with the
> + attributes specified.
> + @param[out] RemainingVariableStorageSize Returns the remaining size of
> the storage space
> + available for the EFI variables associated with the
> + attributes specified.
> + @param[out] MaximumVariableSize Returns the maximum size of
> the individual EFI
> + variables associated with the attributes specified.
> +
> + @retval EFI_SUCCESS Valid answer returned.
> + @retval EFI_INVALID_PARAMETER An invalid combination of
> attribute bits was supplied
> + @retval EFI_UNSUPPORTED The attribute is not supported on
> this platform, and the
> + MaximumVariableStorageSize,
> + RemainingVariableStorageSize,
> MaximumVariableSize
> + are undefined.
> +
> +**/
> +typedef
> +EFI_STATUS
> +(EFIAPI *EDKII_PEI_QUERY_VARIABLE_INFO)(
> + IN CONST EDKII_PEI_VARIABLE_PPI *This,
> + IN UINT32 Attributes,
> + OUT UINT64 *MaximumVariableStorageSize,
> + OUT UINT64 *RemainingVariableStorageSize,
> + OUT UINT64 *MaximumVariableSize
> + );
> +
> +///
> +/// PEI Variable PPI is intended for use as a means /// to store data
> +in the PEI environment.
> +///
> +struct _EDKII_PEI_VARIABLE_PPI {
> + EDKII_PEI_GET_VARIABLE GetVariable;
> + EDKII_PEI_GET_NEXT_VARIABLE_NAME GetNextVariableName;
> + EDKII_PEI_SET_VARIABLE SetVariable;
> + EDKII_PEI_QUERY_VARIABLE_INFO QueryVariableInfo;
> +};
> +
> +extern EFI_GUID gEdkiiPeiVariablePpiGuid;
> +
> +#endif
> diff --git a/IntelFsp2Pkg/IntelFsp2Pkg.dec b/IntelFsp2Pkg/IntelFsp2Pkg.dec index
> 58eac7220d..2d3eb708b9 100644
> --- a/IntelFsp2Pkg/IntelFsp2Pkg.dec
> +++ b/IntelFsp2Pkg/IntelFsp2Pkg.dec
> @@ -1,7 +1,7 @@
> ## @file
> # Provides driver and definitions to build fsp in EDKII bios.
> #
> -# Copyright (c) 2014 - 2021, Intel Corporation. All rights reserved.<BR>
> +# Copyright (c) 2014 - 2022, Intel Corporation. All rights
> +reserved.<BR>
> # SPDX-License-Identifier: BSD-2-Clause-Patent # ## @@ -59,6 +59,12 @@
> #
> gFspTempRamExitPpiGuid = { 0xbc1cfbdb, 0x7e50, 0x42be, {0xb4,
> 0x87, 0x22, 0xe0, 0xa9, 0x0c, 0xb0, 0x52}}
>
> + #
> + # PPI for Variable Services
> + #
> + gEdkiiPeiVariablePpiGuid = { 0xe7b2cd04, 0x4b14, 0x44c2, {0xb7, 0x48,
> 0xce, 0xaf, 0x2b, 0x66, 0x4a, 0xb0}}
> +
> +
> [Guids]
> #
> # GUID defined in package
> --
> 2.27.0.windows.1
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