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ShellPkg/HandleParsingLib: Add new API GetAllMappingGuids 

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Signed-off-by: Chen A Chen <chen.a.chen@intel.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>
This commit is contained in:
Chen A Chen 2016-12-29 14:52:45 +08:00 committed by Ruiyu Ni
parent 0e88348e4b
commit 0976f90821
2 changed files with 72 additions and 1 deletions
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21
ShellPkg/Include/Library/HandleParsingLib.h
View File

@ -1,7 +1,7 @@
/** @file
Provides interface to advanced shell functionality for parsing both handle and protocol database.
Copyright (c) 2010 - 2015, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2010 - 2017, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@ -388,4 +388,23 @@ GetHandleListByProtocolList (
IN CONST EFI_GUID **ProtocolGuids
);
/**
Return all supported GUIDs.
@param[out] Guids The buffer to return all supported GUIDs.
@param[in out] Count On input, the count of GUIDs the buffer can hold,
On output, the count of GUIDs to return.
@retval EFI_INVALID_PARAMETER Count is NULL.
@retval EFI_BUFFER_TOO_SMALL Buffer is not enough to hold all GUIDs.
@retval EFI_SUCCESS GUIDs are returned successfully.
**/
EFI_STATUS
EFIAPI
GetAllMappingGuids (
OUT EFI_GUID *Guids,
IN OUT UINTN *Count
);
#endif // __HANDLE_PARSING_LIB__

52
ShellPkg/Library/UefiHandleParsingLib/UefiHandleParsingLib.c
View File

@ -3079,3 +3079,55 @@ GetHandleListByProtocolList (
return (HandleList);
}
/**
Return all supported GUIDs.
@param[out] Guids The buffer to return all supported GUIDs.
@param[in, out] Count On input, the count of GUIDs the buffer can hold,
On output, the count of GUIDs to return.
@retval EFI_INVALID_PARAMETER Count is NULL.
@retval EFI_BUFFER_TOO_SMALL Buffer is not enough to hold all GUIDs.
@retval EFI_SUCCESS GUIDs are returned successfully.
**/
EFI_STATUS
EFIAPI
GetAllMappingGuids (
OUT EFI_GUID *Guids,
IN OUT UINTN *Count
)
{
UINTN GuidCount;
UINTN NtGuidCount
UINTN Index;
if (Count == NULL) {
return EFI_INVALID_PARAMETER;
}
NtGuidCount = 0;
if (PcdGetBool (PcdShellIncludeNtGuids)) {
NtGuidCount = ARRAY_SIZE (mGuidStringListNT) - 1;
}
GuidCount = ARRAY_SIZE (mGuidStringList) - 1;
if (*Count < NtGuidCount + GuidCount + mGuidListCount) {
*Count = NtGuidCount + GuidCount + mGuidListCount;
return EFI_BUFFER_TOO_SMALL;
}
for (Index = 0; Index < NtGuidCount; Index++) {
CopyGuid (&Guids[Index], mGuidStringListNT[Index].GuidId);
}
for (Index = 0; Index < GuidCount; Index++) {
CopyGuid (&Guids[NtGuidCount + Index], mGuidStringList[Index].GuidId);
}
for (Index = 0; Index < mGuidListCount; Index++) {
CopyGuid (&Guids[NtGuidCount + GuidCount + Index], mGuidList[Index].GuidId);
}
return EFI_SUCCESS;
}