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OvmfPkg/MemEncryptSevLib: clean up InternalMemEncryptSevSetMemoryDecrypted() decl 

The declaration and the definition(s) of the function should have
identical leading comments and/or identical parameter lists. Document the
"Cr3BaseAddress" parameter, and correct several parameter references.
Replace a "set" reference to the C-bit with a "clear" reference.

Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Brijesh Singh <brijesh.singh@amd.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Brijesh Singh <brijesh.singh@amd.com>
Reviewed-by: Brijesh Singh <brijesh.singh@amd.com>
This commit is contained in:
Laszlo Ersek 2018-03-01 15:15:39 +01:00
parent cde8c56809
commit 1532e5d5ed
2 changed files with 12 additions and 8 deletions
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6
OvmfPkg/Library/BaseMemEncryptSevLib/X64/VirtualMemory.c
View File

@ -826,8 +826,10 @@ Done:
/**
This function clears 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
@ -837,7 +839,7 @@ Done:
@retval RETURN_SUCCESS The attributes were cleared for the
memory region.
@retval RETURN_INVALID_PARAMETER Number of pages is zero.
@retval RETURN_UNSUPPORTED Setting the memory encyrption attribute
@retval RETURN_UNSUPPORTED Clearing the memory encyrption attribute
is not supported
**/
RETURN_STATUS

14
OvmfPkg/Library/BaseMemEncryptSevLib/X64/VirtualMemory.h
View File

@ -188,8 +188,10 @@ typedef struct {
/**
This function clears 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
@ -199,16 +201,16 @@ typedef struct {
@retval RETURN_SUCCESS The attributes were cleared for the
memory region.
@retval RETURN_INVALID_PARAMETER Number of pages is zero.
@retval RETURN_UNSUPPORTED Setting the memory encyrption attribute
@retval RETURN_UNSUPPORTED Clearing the memory encyrption attribute
is not supported
**/
RETURN_STATUS
EFIAPI
InternalMemEncryptSevSetMemoryDecrypted (
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
);
/**