vendorcode/intel: Add UDK2017 support

This patch includes (edk2/UDK2017) all required headers for UDK2017
from EDK2 github project using below command

>> git clone https://github.com/tianocore/edk2.git vUDK2017

commit hash: 66833b2a87d98be8d81d1337c193bcbf0de47d47

Change-Id: If0d5a3fef016c67e9eed6aed9b698b3b13b930c4
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/23425
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>

1 files changed, 117 insertions, 0 deletions

diff --git a/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Ppi/ReadOnlyVariable2.h b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Ppi/ReadOnlyVariable2.h
new file mode 100644
index 0000000000..5ff68eecea
--- /dev/null
+++ b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Ppi/ReadOnlyVariable2.h
@@ -0,0 +1,117 @@
+/** @file
+  This file declares Read-only Variable Service2 PPI.
+  This ppi permits read-only access to the UEFI variable store during the PEI phase.
+
+Copyright (c) 2006 - 2017, Intel Corporation. All rights reserved.<BR>
+This program and the accompanying materials are licensed and made available under 
+the terms and conditions of the BSD License that 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.             
+
+  @par Revision Reference:
+  This PPI is introduced in PI Version 1.0.
+
+**/
+
+#ifndef __PEI_READ_ONLY_VARIABLE2_PPI_H__
+#define __PEI_READ_ONLY_VARIABLE2_PPI_H__
+
+#define EFI_PEI_READ_ONLY_VARIABLE2_PPI_GUID \
+  { 0x2ab86ef5, 0xecb5, 0x4134, { 0xb5, 0x56, 0x38, 0x54, 0xca, 0x1f, 0xe1, 0xb4 } }
+
+
+typedef struct _EFI_PEI_READ_ONLY_VARIABLE2_PPI  EFI_PEI_READ_ONLY_VARIABLE2_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  This                  A pointer to this instance of the EFI_PEI_READ_ONLY_VARIABLE2_PPI.
+  @param  VariableName          A pointer to a null-terminated string that is the variable's name.
+  @param  VariableGuid          A pointer to an EFI_GUID that is the variable's GUID. The combination of
+                                VariableGuid and VariableName must be unique.
+  @param  Attributes            If non-NULL, on return, points to the variable's attributes.
+  @param  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  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 *EFI_PEI_GET_VARIABLE2)(
+  IN CONST  EFI_PEI_READ_ONLY_VARIABLE2_PPI *This,
+  IN CONST  CHAR16                          *VariableName,
+  IN CONST  EFI_GUID                        *VariableGuid,
+  OUT       UINT32                          *Attributes,
+  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 
+  interface. When the entire variable list has been returned, 
+  EFI_NOT_FOUND is returned.
+
+  @param  This              A pointer to this instance of the EFI_PEI_READ_ONLY_VARIABLE2_PPI.
+
+  @param  VariableNameSize  On entry, points to the size of the buffer pointed to by VariableName.
+                            On return, the size of the variable name buffer.
+  @param  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  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 variable was read successfully.
+  @retval EFI_NOT_FOUND         The variable could not be found.
+  @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 *EFI_PEI_GET_NEXT_VARIABLE_NAME2)(
+  IN CONST  EFI_PEI_READ_ONLY_VARIABLE2_PPI *This,
+  IN OUT    UINTN                           *VariableNameSize,
+  IN OUT    CHAR16                          *VariableName,
+  IN OUT    EFI_GUID                        *VariableGuid
+  );
+
+///
+/// This PPI provides a lightweight, read-only variant of the full EFI 
+/// variable services. 
+///
+struct _EFI_PEI_READ_ONLY_VARIABLE2_PPI {
+  EFI_PEI_GET_VARIABLE2           GetVariable;
+  EFI_PEI_GET_NEXT_VARIABLE_NAME2 NextVariableName;
+};
+
+extern EFI_GUID gEfiPeiReadOnlyVariable2PpiGuid;
+
+#endif