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MdePkg: MmConfiguration: Added definition of MM Configuration PPI 

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3440

MM Configuration PPI was defined in PI Specification since v1.5. This
change added definition of such PPI and related GUIDs into MdePkg.

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Zhiguang Liu <zhiguang.liu@intel.com>
Cc: Michael Kubacki <michael.kubacki@microsoft.com>

Signed-off-by: Kun Qin <kuqin12@gmail.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
This commit is contained in:
Kun Qin 2021-06-24 11:33:08 +08:00 committed by mergify[bot]
parent 27b8a52957
commit d1fc3d7ef3
2 changed files with 65 additions and 0 deletions
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62
MdePkg/Include/Ppi/MmConfiguration.h Normal file
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@ -0,0 +1,62 @@
/** @file
EFI MM Configuration PPI as defined in PI 1.5 specification.
This PPI is used to:
1) report the portions of MMRAM regions which cannot be used for the MMRAM heap.
2) register the MM Foundation entry point with the processor code. The entry
point will be invoked by the MM processor entry code.
Copyright (c) Microsoft Corporation.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef MM_CONFIGURATION_PPI_H_
#define MM_CONFIGURATION_PPI_H_
#include <Pi/PiMultiPhase.h>
#define EFI_PEI_MM_CONFIGURATION_PPI_GUID \
{ \
0xc109319, 0xc149, 0x450e, { 0xa3, 0xe3, 0xb9, 0xba, 0xdd, 0x9d, 0xc3, 0xa4 } \
}
typedef struct _EFI_PEI_MM_CONFIGURATION_PPI EFI_PEI_MM_CONFIGURATION_PPI;
/**
This function registers the MM Foundation entry point with the processor code. This entry point will be
invoked by the MM Processor entry code as defined in PI specification.
@param[in] This The EFI_PEI_MM_CONFIGURATION_PPI instance.
@param[in] MmEntryPoint MM Foundation entry point.
@retval EFI_SUCCESS The entry-point was successfully registered.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_MM_REGISTER_MM_ENTRY) (
IN CONST EFI_PEI_MM_CONFIGURATION_PPI *This,
IN EFI_MM_ENTRY_POINT MmEntryPoint
);
///
/// This PPI is a PPI published by a CPU PEIM to indicate which areas within MMRAM are reserved for use by
/// the CPU for any purpose, such as stack, save state or MM entry point. If a platform chooses to let a CPU
/// PEIM do MMRAM relocation, this PPI must be produced by this CPU PEIM.
///
/// The MmramReservedRegions points to an array of one or more EFI_MM_RESERVED_MMRAM_REGION structures, with
/// the last structure having the MmramReservedSize set to 0. An empty array would contain only the last
/// structure.
///
/// The RegisterMmEntry() function allows the MM IPL PEIM to register the MM Foundation entry point with the
/// MM entry vector code.
///
struct _EFI_PEI_MM_CONFIGURATION_PPI {
EFI_MM_RESERVED_MMRAM_REGION *MmramReservedRegions;
EFI_PEI_MM_REGISTER_MM_ENTRY RegisterMmEntry;
};
extern EFI_GUID gEfiPeiMmConfigurationPpi;
#endif

3
MdePkg/MdePkg.dec
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@ -983,6 +983,9 @@
## Include/Ppi/MmControl.h
gEfiPeiMmControlPpiGuid = { 0x61c68702, 0x4d7e, 0x4f43, { 0x8d, 0xef, 0xa7, 0x43, 0x5, 0xce, 0x74, 0xc5 }}
## Include/Ppi/MmConfiguration.h
gEfiPeiMmConfigurationPpi = { 0xc109319, 0xc149, 0x450e, { 0xa3, 0xe3, 0xb9, 0xba, 0xdd, 0x9d, 0xc3, 0xa4 } }
#
# PPIs defined in PI 1.7.
#