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/** @file
This Variable Runtime Cache Info HOB is used to store the address
and the size of the buffer that will be used for variable runtime
service when the PcdEnableVariableRuntimeCache is TRUE.
Copyright (c) 2024, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef VARIABLE_RUNTIME_CACHE_INFO_H_
#define VARIABLE_RUNTIME_CACHE_INFO_H_
#define VARIABLE_RUNTIME_CACHE_INFO_HOB_REVISION 1
#define VARIABLE_RUNTIME_CACHE_INFO_GUID \
{ \
0x0f472f7d, 0x6713, 0x4915, {0x96, 0x14, 0x5d, 0xda, 0x28, 0x40, 0x10, 0x56} \
}
typedef struct {
///
/// TRUE indicates GetVariable () or GetNextVariable () is being called.
/// When the value is FALSE, the given update (and any other pending updates)
/// can be flushed to the runtime cache.
///
BOOLEAN ReadLock;
///
/// TRUE indicates there is pending update for the given variable store needed
/// to be flushed to the runtime cache.
///
BOOLEAN PendingUpdate;
///
/// TRUE indicates all HOB variables have been flushed in flash.
///
BOOLEAN HobFlushComplete;
} CACHE_INFO_FLAG;
typedef struct {
EFI_PHYSICAL_ADDRESS CacheInfoFlagBuffer;
///
/// Base address of the runtime Hob variable cache Buffer.
///
EFI_PHYSICAL_ADDRESS RuntimeHobCacheBuffer;
UINT64 RuntimeHobCachePages;
///
/// Base address of the non-volatile variable runtime cache Buffer.
///
EFI_PHYSICAL_ADDRESS RuntimeNvCacheBuffer;
UINT64 RuntimeNvCachePages;
///
/// Base address of the volatile variable runtime cache Buffer.
///
EFI_PHYSICAL_ADDRESS RuntimeVolatileCacheBuffer;
UINT64 RuntimeVolatileCachePages;
} VARIABLE_RUNTIME_CACHE_INFO;
extern EFI_GUID gEdkiiVariableRuntimeCacheInfoHobGuid;
#endif
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