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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/MdeModulePkg/Include/Ppi/SmmCommunication.h
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/MdeModulePkg/Include/Ppi/SmmCommunication.h')
-rw-r--r--roms/edk2/MdeModulePkg/Include/Ppi/SmmCommunication.h57
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diff --git a/roms/edk2/MdeModulePkg/Include/Ppi/SmmCommunication.h b/roms/edk2/MdeModulePkg/Include/Ppi/SmmCommunication.h
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+++ b/roms/edk2/MdeModulePkg/Include/Ppi/SmmCommunication.h
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+/** @file
+ EFI SMM Communication PPI definition.
+
+ This Ppi provides a means of communicating between PEIM and SMI
+ handlers inside of SMM.
+ This Ppi is produced and consumed only in S3 resume boot path.
+ It is NOT available in normal boot path.
+
+Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
+
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+
+#ifndef _SMM_COMMUNICATION_PPI_H_
+#define _SMM_COMMUNICATION_PPI_H_
+
+#define EFI_PEI_SMM_COMMUNICATION_PPI_GUID \
+ { \
+ 0xae933e1c, 0xcc47, 0x4e38, { 0x8f, 0xe, 0xe2, 0xf6, 0x1d, 0x26, 0x5, 0xdf } \
+ }
+
+typedef struct _EFI_PEI_SMM_COMMUNICATION_PPI EFI_PEI_SMM_COMMUNICATION_PPI;
+
+/**
+ 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_PEI_SMM_COMMUNICATION_PPI instance.
+ @param[in] CommBuffer A pointer to the buffer to convey into SMRAM.
+ @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_PEI_SMM_COMMUNICATE)(
+ IN CONST EFI_PEI_SMM_COMMUNICATION_PPI *This,
+ IN OUT VOID *CommBuffer,
+ IN OUT UINTN *CommSize
+ );
+
+///
+/// EFI SMM Communication Protocol provides runtime services for communicating
+/// between DXE drivers and a registered SMI handler.
+///
+struct _EFI_PEI_SMM_COMMUNICATION_PPI {
+ EFI_PEI_SMM_COMMUNICATE Communicate;
+};
+
+extern EFI_GUID gEfiPeiSmmCommunicationPpiGuid;
+
+#endif