diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/MdeModulePkg/Include/Ppi/SecPerformance.h | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/MdeModulePkg/Include/Ppi/SecPerformance.h')
| -rw-r--r-- | roms/edk2/MdeModulePkg/Include/Ppi/SecPerformance.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/roms/edk2/MdeModulePkg/Include/Ppi/SecPerformance.h b/roms/edk2/MdeModulePkg/Include/Ppi/SecPerformance.h new file mode 100644 index 000000000..cbdaccdb9 --- /dev/null +++ b/roms/edk2/MdeModulePkg/Include/Ppi/SecPerformance.h @@ -0,0 +1,60 @@ +/** @file
+ Defines the interface to convey performance information from SEC phase to PEI.
+
+Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
+
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#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
|