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/Guid/FaultTolerantWrite.h | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/MdeModulePkg/Include/Guid/FaultTolerantWrite.h')
| -rw-r--r-- | roms/edk2/MdeModulePkg/Include/Guid/FaultTolerantWrite.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/roms/edk2/MdeModulePkg/Include/Guid/FaultTolerantWrite.h b/roms/edk2/MdeModulePkg/Include/Guid/FaultTolerantWrite.h new file mode 100644 index 000000000..da716ed14 --- /dev/null +++ b/roms/edk2/MdeModulePkg/Include/Guid/FaultTolerantWrite.h @@ -0,0 +1,48 @@ +/** @file
+ Define the GUID gEdkiiFaultTolerantWriteGuid that will be used to build
+ FAULT_TOLERANT_WRITE_LAST_WRITE_DATA GUID hob and install PPI to inform the check
+ for FTW last write data has been done. The GUID hob will be only built if FTW last write was
+ still in progress with SpareComplete set and DestinationComplete not set.
+
+Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef _FAULT_TOLERANT_WRITE_H_
+#define _FAULT_TOLERANT_WRITE_H_
+
+#define EDKII_FAULT_TOLERANT_WRITE_GUID \
+ { \
+ 0x1d3e9cb8, 0x43af, 0x490b, { 0x83, 0xa, 0x35, 0x16, 0xaa, 0x53, 0x20, 0x47 } \
+ }
+
+//
+// FTW Last write data. It will be used as gEdkiiFaultTolerantWriteGuid GUID hob data.
+//
+typedef struct {
+ ///
+ /// Target address to be updated in FTW last write.
+ ///
+ EFI_PHYSICAL_ADDRESS TargetAddress;
+ ///
+ /// Spare address to back up the updated buffer.
+ ///
+ EFI_PHYSICAL_ADDRESS SpareAddress;
+ ///
+ /// The length of data that have been backed up in spare block.
+ /// It is also the length of target block that has been erased.
+ ///
+ UINT64 Length;
+} FAULT_TOLERANT_WRITE_LAST_WRITE_DATA;
+
+//
+// This GUID will be used to install PPI to inform the check for FTW last write data has been done.
+// The related FAULT_TOLERANT_WRITE_LAST_WRITE_DATA GUID hob will be only built if
+// FTW last write was still in progress with SpareComplete set and DestinationComplete not set.
+// It means the target buffer has been backed up in spare block, then target block has been erased,
+// but the target buffer has not been writen in target block from spare block.
+//
+extern EFI_GUID gEdkiiFaultTolerantWriteGuid;
+
+#endif
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