diff options
| author | xdu2 <xdu2@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-08-25 12:03:53 +0000 |
|---|---|---|
| committer | xdu2 <xdu2@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-08-25 12:03:53 +0000 |
| commit | ce2f13a34108f012b2cd13c7072f1fa34c20dac9 (patch) | |
| tree | 75179813b86af66096f322f7e47343d302df7d1b /MdeModulePkg/Include/Ppi | |
| parent | 79b7a6a1ff4515bfc109c2f85158bfcc965051da (diff) | |
| download | edk2-platforms-ce2f13a34108f012b2cd13c7072f1fa34c20dac9.tar.xz | |
MdeModulePkg: Define PPI to convey performance information from SEC phase to PEI.
Signed-off-by: xdu2
Reviewed-by: lgao4
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12212 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Include/Ppi')
| -rw-r--r-- | MdeModulePkg/Include/Ppi/SecPerformance.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/MdeModulePkg/Include/Ppi/SecPerformance.h b/MdeModulePkg/Include/Ppi/SecPerformance.h new file mode 100644 index 0000000000..f8e2cf171e --- /dev/null +++ b/MdeModulePkg/Include/Ppi/SecPerformance.h @@ -0,0 +1,67 @@ +/** @file
+ Defines the interface to convey performance information from SEC phase to PEI.
+
+Copyright (c) 2011, 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 _PEI_SEC_PERFORMANCE_PPI_H_
+#define _PEI_SEC_PERFORMANCE_PPI_H_
+
+#define PEI_SEC_PERFORMANCE_PPI_GUID \
+ { \
+ 0x0ecc666b, 0x4662, 0x47f9, {0x9d, 0xd5, 0xd0, 0x96, 0xff, 0x7d, 0xa4, 0x9e } \
+ }
+
+typedef struct _PEI_SEC_PERFORMANCE_PPI PEI_SEC_PERFORMANCE_PPI;
+
+///
+/// Performance data collected in SEC phase.
+///
+typedef struct {
+ UINT64 ResetEnd; ///< Timer value logged at the beginning of firmware image execution, in unit of nanosecond.
+} FIRMWARE_SEC_PERFORMANCE;
+
+/**
+ This interface conveys performance information out of the Security (SEC) phase into PEI.
+
+ This service is published by the SEC phase. The SEC phase handoff has an optional
+ EFI_PEI_PPI_DESCRIPTOR list as its final argument when control is passed from SEC into the
+ PEI Foundation. As such, if the platform supports collecting performance data in SEC,
+ this information is encapsulated into the data structure abstracted by this service.
+ This information is collected for the boot-strap processor (BSP) on IA-32.
+
+ @param[in] PeiServices The pointer to the PEI Services Table.
+ @param[in] This The pointer to this instance of the PEI_SEC_PERFORMANCE_PPI.
+ @param[out] Performance The pointer to performance data collected in SEC phase.
+
+ @retval EFI_SUCCESS The performance data was successfully returned.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *GET_SEC_PERFORMANCE) (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN PEI_SEC_PERFORMANCE_PPI *This,
+ OUT FIRMWARE_SEC_PERFORMANCE *Performance
+ );
+
+///
+/// This PPI provides function to get performance data collected in SEC phase.
+///
+struct _PEI_SEC_PERFORMANCE_PPI {
+ GET_SEC_PERFORMANCE GetPerformance;
+};
+
+extern EFI_GUID gPeiSecPerformancePpiGuid;
+
+#endif
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