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MdePkg: Add new definitions for Management Mode.

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In PI 1.5 version, system management mode name(SMM) has been changed
to Management Mode(MM). It impacts the current code which still use
SMM/Smram/SMI keywords. This patch add new definition which use
MM/MmRam/MMI keywords to follow new spec definitions.

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
This commit is contained in:
Eric Dong
2017-08-28 14:20:31 +08:00
parent 47bfbd7f80
commit 07c6a47e70
24 changed files with 2618 additions and 0 deletions
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83
MdePkg/Include/Protocol/MmCommunication.h Normal file
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/** @file
EFI MM Communication Protocol as defined in the PI 1.5 specification.
This protocol provides a means of communicating between drivers outside of MM and MMI
handlers inside of MM.
Copyright (c) 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
which 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.
**/
#ifndef _MM_COMMUNICATION_H_
#define _MM_COMMUNICATION_H_
#pragma pack(1)
///
/// To avoid confusion in interpreting frames, the communication buffer should always
/// begin with EFI_MM_COMMUNICATE_HEADER
///
typedef struct {
///
/// Allows for disambiguation of the message format.
///
EFI_GUID HeaderGuid;
///
/// Describes the size of Data (in bytes) and does not include the size of the header.
///
UINTN MessageLength;
///
/// Designates an array of bytes that is MessageLength in size.
///
UINT8 Data[1];
} EFI_MM_COMMUNICATE_HEADER;
#pragma pack()
#define EFI_MM_COMMUNICATION_PROTOCOL_GUID \
{ \
0xc68ed8e2, 0x9dc6, 0x4cbd, { 0x9d, 0x94, 0xdb, 0x65, 0xac, 0xc5, 0xc3, 0x32 } \
}
typedef struct _EFI_MM_COMMUNICATION_PROTOCOL EFI_MM_COMMUNICATION_PROTOCOL;
/**
Communicates with a registered handler.
This function provides a service to send and receive messages from a registered UEFI service.
@param[in] This The EFI_MM_COMMUNICATION_PROTOCOL instance.
@param[in] CommBuffer A pointer to the buffer to convey into MMRAM.
@param[in] CommSize The size of the data buffer being passed in.On exit, the size of data
being returned. Zero if the handler does not wish to reply with any data.
@retval EFI_SUCCESS The message was successfully posted.
@retval EFI_INVALID_PARAMETER The CommBuffer was NULL.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_MM_COMMUNICATE)(
IN CONST EFI_MM_COMMUNICATION_PROTOCOL *This,
IN OUT VOID *CommBuffer,
IN OUT UINTN *CommSize
);
///
/// EFI MM Communication Protocol provides runtime services for communicating
/// between DXE drivers and a registered MMI handler.
///
struct _EFI_MM_COMMUNICATION_PROTOCOL {
EFI_MM_COMMUNICATE Communicate;
};
extern EFI_GUID gEfiMmCommunicationProtocolGuid;
#endif