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| author | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-07-19 20:46:45 +0000 |
|---|---|---|
| committer | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-07-19 20:46:45 +0000 |
| commit | 9fba8e7d3dad15fdd624ed2f5d34942cca590f76 (patch) | |
| tree | 59ac529d31dd27cc573ee2b144ed11326cb8015a /MdeModulePkg/Include | |
| parent | e7b7db365c0d2584268815895e8cf3602cbd1954 (diff) | |
| download | edk2-9fba8e7d3dad15fdd624ed2f5d34942cca590f76.zip edk2-9fba8e7d3dad15fdd624ed2f5d34942cca590f76.tar.gz edk2-9fba8e7d3dad15fdd624ed2f5d34942cca590f76.tar.bz2 | |
MdeModulePkg: Add SmmCommunication PPI definition
Signed-off-by: jljusten
Reviewed-by: mdkinney
Reviewed-by: geekboy15a
Reviewed-by: jyao1
Reviewed-by: lgao4
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12028 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Include')
| -rw-r--r-- | MdeModulePkg/Include/Ppi/SmmCommunication.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/MdeModulePkg/Include/Ppi/SmmCommunication.h b/MdeModulePkg/Include/Ppi/SmmCommunication.h new file mode 100644 index 0000000..a22ed9f --- /dev/null +++ b/MdeModulePkg/Include/Ppi/SmmCommunication.h @@ -0,0 +1,64 @@ +/** @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, 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 _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
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