diff options
Diffstat (limited to 'MdeModulePkg/MdeModulePkg.dec')
| -rw-r--r-- | MdeModulePkg/MdeModulePkg.dec | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec index 9ea8abe3b9..a4cec63a8a 100644 --- a/MdeModulePkg/MdeModulePkg.dec +++ b/MdeModulePkg/MdeModulePkg.dec @@ -279,6 +279,9 @@ ## Include/Guid/MemoryProfile.h
gEdkiiMemoryProfileGuid = { 0x821c9a09, 0x541a, 0x40f6, { 0x9f, 0x43, 0xa, 0xd1, 0x93, 0xa1, 0x2c, 0xfe }}
+ ## Include/Protocol/VarErrorFlag.h
+ gEdkiiVarErrorFlagGuid = { 0x4b37fe8, 0xf6ae, 0x480b, { 0xbd, 0xd5, 0x37, 0xd9, 0x8c, 0x5e, 0x89, 0xaa } }
+
[Ppis]
## Include/Ppi/AtaController.h
gPeiAtaControllerPpiGuid = { 0xa45e60d1, 0xc719, 0x44aa, { 0xb0, 0x7a, 0xaa, 0x77, 0x7f, 0x85, 0x90, 0x6d }}
@@ -703,13 +706,38 @@ # @Prompt Maximum HwErr variable size.
gEfiMdeModulePkgTokenSpaceGuid.PcdMaxHardwareErrorVariableSize|0x8000|UINT32|0x30000004
- ## The size of reserved HwErr variable space. Note that this value must be less than or equal to PcdFlashNvStorageVariableSize.
+ ## The size of reserved HwErr variable space. Note that this value must be less than (PcdFlashNvStorageVariableSize - EFI_FIRMWARE_VOLUME_HEADER.HeaderLength - sizeof (VARIABLE_STORE_HEADER)).
# In EdkII implementation, HwErr type variable is stored with common non-volatile variables in the same NV region.
- # so the platform integrator should ensure this value is less than or equal to PcdFlashNvStorageVariableSize.
+ # so the platform integrator should ensure this value is less than (PcdFlashNvStorageVariableSize - EFI_FIRMWARE_VOLUME_HEADER.HeaderLength - sizeof (VARIABLE_STORE_HEADER)).
# this value is used to guarantee the space of HwErr type variable and not populated by common variable.
# @Prompt HwErr variable storage size.
gEfiMdeModulePkgTokenSpaceGuid.PcdHwErrStorageSize|0x0000|UINT32|0x30000006
+ ## The size of maximum user NV variable space.<BR><BR>
+ # Note that this value must be less than (PcdFlashNvStorageVariableSize - EFI_FIRMWARE_VOLUME_HEADER.HeaderLength - sizeof (VARIABLE_STORE_HEADER) - PcdHwErrStorageSize).<BR>
+ # If the value is 0, it means user variable share the same NV storage with system variable,
+ # this is designed to keep the compatibility for the platform that does not allocate special region for user variable.<BR>
+ # If the value is non-0, the below 4 types of variables will be regarded as System Variable, their property could be got by VarCheck protocol,
+ # otherwise the variable will be regarded as user variable.<BR>
+ # 1) UEFI defined variables (gEfiGlobalVariableGuid and gEfiImageSecurityDatabaseGuid(auth variable) variables at least).<BR>
+ # 2) Variables managed by Variable driver internally.<BR>
+ # 3) Variables need to be locked, they MUST be set by VariableLock protocol.<BR>
+ # 4) Important during platform boot, their property SHOULD be set by VarCheck protocol.<BR>
+ # The PCD is used to guarantee the space of system variable and not populated by user variable.<BR>
+ # @Prompt Maximum user NV variable space size.
+ gEfiMdeModulePkgTokenSpaceGuid.PcdMaxUserNvVariableSpaceSize|0x00|UINT32|0x00000009
+
+ ## The size of NV variable space reserved at UEFI boottime.<BR><BR>
+ # Note that this value must be less than (PcdFlashNvStorageVariableSize - EFI_FIRMWARE_VOLUME_HEADER.HeaderLength - sizeof (VARIABLE_STORE_HEADER) - PcdHwErrStorageSize).<BR>
+ # In EdkII implementation, variable driver can reserved some NV storage region for boottime settings.
+ # So at UEFI runtime, the variable service consumer can not exhaust full NV storage region.<BR>
+ # Then the common NV variable space size at boottime will be
+ # (PcdFlashNvStorageVariableSize - EFI_FIRMWARE_VOLUME_HEADER.HeaderLength - sizeof (VARIABLE_STORE_HEADER) - PcdHwErrStorageSize),<BR>
+ # and the common NV variable space size at runtime will be
+ # (PcdFlashNvStorageVariableSize - EFI_FIRMWARE_VOLUME_HEADER.HeaderLength - sizeof (VARIABLE_STORE_HEADER) - PcdHwErrStorageSize) - PcdBoottimeReservedNvVariableSpaceSize.<BR>
+ # @Prompt Boottime reserved NV variable space size.
+ gEfiMdeModulePkgTokenSpaceGuid.PcdBoottimeReservedNvVariableSpaceSize|0x00|UINT32|0x30000007
+
## The size of volatile buffer. This buffer is used to store VOLATILE attribute variables.
# @Prompt Variable storage size.
gEfiMdeModulePkgTokenSpaceGuid.PcdVariableStoreSize|0x10000|UINT32|0x30000005
|