1 /** @file
2 *
3 *  Copyright (c) 2011, ARM Limited. All rights reserved.
4 *
5 *  This program and the accompanying materials
6 *  are licensed and made available under the terms and conditions of the BSD License
7 *  which accompanies this distribution.  The full text of the license may be found at
8 *  http://opensource.org/licenses/bsd-license.php
9 *
10 *  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 *  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
12 *
13 **/
14 
15 #ifndef __ARM_MP_CORE_INFO_PPI_H__
16 #define __ARM_MP_CORE_INFO_PPI_H__
17 
18 #include <Guid/ArmMpCoreInfo.h>
19 
20 #define ARM_MP_CORE_INFO_PPI_GUID  \
21   { 0x6847cc74, 0xe9ec, 0x4f8f, {0xa2, 0x9d, 0xab, 0x44, 0xe7, 0x54, 0xa8, 0xfc} }
22 
23 /**
24   This service of the EFI_PEI_TEMPORARY_RAM_SUPPORT_PPI that migrates temporary RAM into
25   permanent memory.
26 
27   @param PeiServices            Pointer to the PEI Services Table.
28   @param TemporaryMemoryBase    Source Address in temporary memory from which the SEC or PEIM will copy the
29                                 Temporary RAM contents.
30   @param PermanentMemoryBase    Destination Address in permanent memory into which the SEC or PEIM will copy the
31                                 Temporary RAM contents.
32   @param CopySize               Amount of memory to migrate from temporary to permanent memory.
33 
34   @retval EFI_SUCCESS           The data was successfully returned.
35   @retval EFI_INVALID_PARAMETER PermanentMemoryBase + CopySize > TemporaryMemoryBase when
36                                 TemporaryMemoryBase > PermanentMemoryBase.
37 
38 **/
39 typedef
40 EFI_STATUS
41 (EFIAPI * ARM_MP_CORE_INFO_GET) (
42   OUT UINTN                   *ArmCoreCount,
43   OUT ARM_CORE_INFO           **ArmCoreTable
44 );
45 
46 ///
47 /// This service abstracts the ability to migrate contents of the platform early memory store.
48 /// Note: The name EFI_PEI_TEMPORARY_RAM_SUPPORT_PPI is different from the current PI 1.2 spec.
49 ///       This PPI was optional.
50 ///
51 typedef struct {
52   ARM_MP_CORE_INFO_GET   GetMpCoreInfo;
53 } ARM_MP_CORE_INFO_PPI;
54 
55 extern EFI_GUID gArmMpCoreInfoPpiGuid;
56 extern EFI_GUID gArmMpCoreInfoGuid;
57 
58 #endif
59