diff options
-rw-r--r-- | OvmfPkg/Library/BaseMemEncryptSevLib/X64/VirtualMemory.c | 8 | ||||
-rw-r--r-- | OvmfPkg/Library/BaseMemEncryptSevLib/X64/VirtualMemory.h | 16 |
2 files changed, 14 insertions, 10 deletions
diff --git a/OvmfPkg/Library/BaseMemEncryptSevLib/X64/VirtualMemory.c b/OvmfPkg/Library/BaseMemEncryptSevLib/X64/VirtualMemory.c index 3f7704801c..39b246048f 100644 --- a/OvmfPkg/Library/BaseMemEncryptSevLib/X64/VirtualMemory.c +++ b/OvmfPkg/Library/BaseMemEncryptSevLib/X64/VirtualMemory.c @@ -863,16 +863,18 @@ InternalMemEncryptSevSetMemoryDecrypted ( /**
This function sets memory encryption bit for the memory region specified by
- PhysicalAddress and length from the current page table context.
+ PhysicalAddress and Length from the current page table context.
+ @param[in] Cr3BaseAddress Cr3 Base Address (if zero then use
+ current CR3)
@param[in] PhysicalAddress The physical address that is the start
address of a memory region.
@param[in] Length The length of memory region
@param[in] Flush Flush the caches before applying the
encryption mask
- @retval RETURN_SUCCESS The attributes were cleared for the
- memory region.
+ @retval RETURN_SUCCESS The attributes were set for the memory
+ region.
@retval RETURN_INVALID_PARAMETER Number of pages is zero.
@retval RETURN_UNSUPPORTED Setting the memory encyrption attribute
is not supported
diff --git a/OvmfPkg/Library/BaseMemEncryptSevLib/X64/VirtualMemory.h b/OvmfPkg/Library/BaseMemEncryptSevLib/X64/VirtualMemory.h index 646a9781d0..67ff69122d 100644 --- a/OvmfPkg/Library/BaseMemEncryptSevLib/X64/VirtualMemory.h +++ b/OvmfPkg/Library/BaseMemEncryptSevLib/X64/VirtualMemory.h @@ -215,16 +215,18 @@ InternalMemEncryptSevSetMemoryDecrypted ( /**
This function sets memory encryption bit for the memory region specified by
- PhysicalAddress and length from the current page table context.
+ PhysicalAddress and Length from the current page table context.
+ @param[in] Cr3BaseAddress Cr3 Base Address (if zero then use
+ current CR3)
@param[in] PhysicalAddress The physical address that is the start
address of a memory region.
@param[in] Length The length of memory region
@param[in] Flush Flush the caches before applying the
encryption mask
- @retval RETURN_SUCCESS The attributes were cleared for the
- memory region.
+ @retval RETURN_SUCCESS The attributes were set for the memory
+ region.
@retval RETURN_INVALID_PARAMETER Number of pages is zero.
@retval RETURN_UNSUPPORTED Setting the memory encyrption attribute
is not supported
@@ -232,10 +234,10 @@ InternalMemEncryptSevSetMemoryDecrypted ( RETURN_STATUS
EFIAPI
InternalMemEncryptSevSetMemoryEncrypted (
- IN PHYSICAL_ADDRESS Cr3BaseAddress,
- IN PHYSICAL_ADDRESS PhysicalAddress,
- IN UINT64 Length,
- IN BOOLEAN CacheFlush
+ IN PHYSICAL_ADDRESS Cr3BaseAddress,
+ IN PHYSICAL_ADDRESS PhysicalAddress,
+ IN UINTN Length,
+ IN BOOLEAN Flush
);
#endif
|