[mirror_edk2.git] / MdeModulePkg / Core / Pei / FwVol / FwVol.h

/** @file\r
  The internal header file for firmware volume related definitions.\r
\r
Copyright (c) 2009 - 2019, Intel Corporation. All rights reserved.<BR>\r
SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#ifndef _FWVOL_H_\r
#define _FWVOL_H_\r
\r
#include "PeiMain.h"\r
\r
#define GET_OCCUPIED_SIZE(ActualSize, Alignment) \\r
  ((ActualSize) + (((Alignment) - ((ActualSize) & ((Alignment) - 1))) & ((Alignment) - 1)))\r
\r
\r
#define PEI_FW_VOL_SIGNATURE  SIGNATURE_32('P','F','W','V')\r
\r
typedef struct {\r
  UINTN                         Signature;\r
  BOOLEAN                       IsFfs3Fv;\r
  EFI_PEI_FIRMWARE_VOLUME_PPI   Fv;\r
} PEI_FW_VOL_INSTANCE;\r
\r
#define PEI_FW_VOL_INSTANCE_FROM_FV_THIS(a) \\r
  CR(a, PEI_FW_VOL_INSTANCE, Fv, PEI_FW_VOL_SIGNATURE)\r
\r
\r
/**\r
  Process a firmware volume and create a volume handle.\r
\r
  Create a volume handle from the information in the buffer. For\r
  memory-mapped firmware volumes, Buffer and BufferSize refer to\r
  the start of the firmware volume and the firmware volume size.\r
  For non memory-mapped firmware volumes, this points to a\r
  buffer which contains the necessary information for creating\r
  the firmware volume handle. Normally, these values are derived\r
  from the EFI_FIRMWARE_VOLUME_INFO_PPI.\r
\r
\r
  @param This                   Points to this instance of the\r
                                EFI_PEI_FIRMWARE_VOLUME_PPI.\r
  @param Buffer                 Points to the start of the buffer.\r
  @param BufferSize             Size of the buffer.\r
  @param FvHandle               Points to the returned firmware volume\r
                                handle. The firmware volume handle must\r
                                be unique within the system.\r
\r
  @retval EFI_SUCCESS           Firmware volume handle created.\r
  @retval EFI_VOLUME_CORRUPTED  Volume was corrupt.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiFfsFvPpiProcessVolume (\r
  IN  CONST  EFI_PEI_FIRMWARE_VOLUME_PPI *This,\r
  IN  VOID                               *Buffer,\r
  IN  UINTN                              BufferSize,\r
  OUT EFI_PEI_FV_HANDLE                  *FvHandle\r
  );\r
\r
/**\r
  Finds the next file of the specified type.\r
\r
  This service enables PEI modules to discover additional firmware files.\r
  The FileHandle must be unique within the system.\r
\r
  @param This           Points to this instance of the\r
                        EFI_PEI_FIRMWARE_VOLUME_PPI.\r
  @param SearchType     A filter to find only files of this type. Type\r
                        EFI_FV_FILETYPE_ALL causes no filtering to be\r
                        done.\r
  @param FvHandle       Handle of firmware volume in which to\r
                        search.\r
  @param FileHandle     Points to the current handle from which to\r
                        begin searching or NULL to start at the\r
                        beginning of the firmware volume. Updated\r
                        upon return to reflect the file found.\r
\r
  @retval EFI_SUCCESS   The file was found.\r
  @retval EFI_NOT_FOUND The file was not found. FileHandle contains NULL.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiFfsFvPpiFindFileByType (\r
  IN CONST  EFI_PEI_FIRMWARE_VOLUME_PPI *This,\r
  IN        EFI_FV_FILETYPE             SearchType,\r
  IN        EFI_PEI_FV_HANDLE           FvHandle,\r
  IN OUT    EFI_PEI_FILE_HANDLE         *FileHandle\r
  );\r
\r
/**\r
  Find a file within a volume by its name.\r
\r
  This service searches for files with a specific name, within\r
  either the specified firmware volume or all firmware volumes.\r
\r
  @param This                   Points to this instance of the\r
                                EFI_PEI_FIRMWARE_VOLUME_PPI.\r
  @param FileName               A pointer to the name of the file to find\r
                                within the firmware volume.\r
  @param FvHandle               Upon entry, the pointer to the firmware\r
                                volume to search or NULL if all firmware\r
                                volumes should be searched. Upon exit, the\r
                                actual firmware volume in which the file was\r
                                found.\r
  @param FileHandle             Upon exit, points to the found file's\r
                                handle or NULL if it could not be found.\r
\r
  @retval EFI_SUCCESS           File was found.\r
  @retval EFI_NOT_FOUND         File was not found.\r
  @retval EFI_INVALID_PARAMETER FvHandle or FileHandle or\r
                                FileName was NULL.\r
\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiFfsFvPpiFindFileByName (\r
  IN  CONST  EFI_PEI_FIRMWARE_VOLUME_PPI *This,\r
  IN  CONST  EFI_GUID                    *FileName,\r
  IN  EFI_PEI_FV_HANDLE                  *FvHandle,\r
  OUT EFI_PEI_FILE_HANDLE                *FileHandle\r
  );\r
\r
/**\r
  Find the next matching section in the firmware file.\r
\r
  This service enables PEI modules to discover sections\r
  of a given type within a valid file.\r
\r
  @param This             Points to this instance of the\r
                          EFI_PEI_FIRMWARE_VOLUME_PPI.\r
  @param SearchType       A filter to find only sections of this\r
                          type.\r
  @param FileHandle       Handle of firmware file in which to\r
                          search.\r
  @param SectionData      Updated upon  return to point to the\r
                          section found.\r
\r
  @retval EFI_SUCCESS     Section was found.\r
  @retval EFI_NOT_FOUND   Section of the specified type was not\r
                          found. SectionData contains NULL.\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiFfsFvPpiFindSectionByType (\r
  IN  CONST EFI_PEI_FIRMWARE_VOLUME_PPI    *This,\r
  IN        EFI_SECTION_TYPE               SearchType,\r
  IN        EFI_PEI_FILE_HANDLE            FileHandle,\r
  OUT VOID                                 **SectionData\r
  );\r
\r
/**\r
  Find the next matching section in the firmware file.\r
\r
  This service enables PEI modules to discover sections\r
  of a given instance and type within a valid file.\r
\r
  @param This                   Points to this instance of the\r
                                EFI_PEI_FIRMWARE_VOLUME_PPI.\r
  @param SearchType             A filter to find only sections of this\r
                                type.\r
  @param SearchInstance         A filter to find the specific instance\r
                                of sections.\r
  @param FileHandle             Handle of firmware file in which to\r
                                search.\r
  @param SectionData            Updated upon return to point to the\r
                                section found.\r
  @param AuthenticationStatus   Updated upon return to point to the\r
                                authentication status for this section.\r
\r
  @retval EFI_SUCCESS     Section was found.\r
  @retval EFI_NOT_FOUND   Section of the specified type was not\r
                          found. SectionData contains NULL.\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiFfsFvPpiFindSectionByType2 (\r
  IN  CONST EFI_PEI_FIRMWARE_VOLUME_PPI    *This,\r
  IN        EFI_SECTION_TYPE               SearchType,\r
  IN        UINTN                          SearchInstance,\r
  IN        EFI_PEI_FILE_HANDLE            FileHandle,\r
  OUT VOID                                 **SectionData,\r
  OUT UINT32                               *AuthenticationStatus\r
  );\r
\r
/**\r
  Returns information about a specific file.\r
\r
  This function returns information about a specific\r
  file, including its file name, type, attributes, starting\r
  address and size.\r
\r
  @param This                     Points to this instance of the\r
                                  EFI_PEI_FIRMWARE_VOLUME_PPI.\r
  @param FileHandle               Handle of the file.\r
  @param FileInfo                 Upon exit, points to the file's\r
                                  information.\r
\r
  @retval EFI_SUCCESS             File information returned.\r
  @retval EFI_INVALID_PARAMETER   If FileHandle does not\r
                                  represent a valid file.\r
  @retval EFI_INVALID_PARAMETER   If FileInfo is NULL.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiFfsFvPpiGetFileInfo (\r
  IN  CONST EFI_PEI_FIRMWARE_VOLUME_PPI   *This,\r
  IN        EFI_PEI_FILE_HANDLE           FileHandle,\r
  OUT       EFI_FV_FILE_INFO              *FileInfo\r
  );\r
\r
/**\r
  Returns information about a specific file.\r
\r
  This function returns information about a specific\r
  file, including its file name, type, attributes, starting\r
  address, size and authentication status.\r
\r
  @param This                     Points to this instance of the\r
                                  EFI_PEI_FIRMWARE_VOLUME_PPI.\r
  @param FileHandle               Handle of the file.\r
  @param FileInfo                 Upon exit, points to the file's\r
                                  information.\r
\r
  @retval EFI_SUCCESS             File information returned.\r
  @retval EFI_INVALID_PARAMETER   If FileHandle does not\r
                                  represent a valid file.\r
  @retval EFI_INVALID_PARAMETER   If FileInfo is NULL.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiFfsFvPpiGetFileInfo2 (\r
  IN  CONST EFI_PEI_FIRMWARE_VOLUME_PPI   *This,\r
  IN        EFI_PEI_FILE_HANDLE           FileHandle,\r
  OUT       EFI_FV_FILE_INFO2             *FileInfo\r
  );\r
\r
/**\r
  This function returns information about the firmware volume.\r
\r
  @param This                     Points to this instance of the\r
                                  EFI_PEI_FIRMWARE_VOLUME_PPI.\r
  @param FvHandle                 Handle to the firmware handle.\r
  @param VolumeInfo               Points to the returned firmware volume\r
                                  information.\r
\r
  @retval EFI_SUCCESS             Information returned successfully.\r
  @retval EFI_INVALID_PARAMETER   FvHandle does not indicate a valid\r
                                  firmware volume or VolumeInfo is NULL.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiFfsFvPpiGetVolumeInfo (\r
  IN  CONST  EFI_PEI_FIRMWARE_VOLUME_PPI   *This,\r
  IN  EFI_PEI_FV_HANDLE                    FvHandle,\r
  OUT EFI_FV_INFO                          *VolumeInfo\r
  );\r
\r
/**\r
  Convert the handle of FV to pointer of corresponding PEI_CORE_FV_HANDLE.\r
\r
  @param FvHandle   The handle of a FV.\r
\r
  @retval NULL if can not find.\r
  @return Pointer of corresponding PEI_CORE_FV_HANDLE.\r
**/\r
PEI_CORE_FV_HANDLE *\r
FvHandleToCoreHandle (\r
  IN EFI_PEI_FV_HANDLE  FvHandle\r
  );\r
\r
/**\r
  Given the input file pointer, search for the next matching file in the\r
  FFS volume as defined by SearchType. The search starts from FileHeader inside\r
  the Firmware Volume defined by FwVolHeader.\r
\r
\r
  @param FvHandle        Pointer to the FV header of the volume to search\r
  @param FileName        File name\r
  @param SearchType      Filter to find only files of this type.\r
                         Type EFI_FV_FILETYPE_ALL causes no filtering to be done.\r
  @param FileHandle      This parameter must point to a valid FFS volume.\r
  @param AprioriFile     Pointer to AprioriFile image in this FV if has\r
\r
  @return EFI_NOT_FOUND  No files matching the search criteria were found\r
  @retval EFI_SUCCESS    Success to search given file\r
\r
**/\r
EFI_STATUS\r
FindFileEx (\r
  IN  CONST EFI_PEI_FV_HANDLE        FvHandle,\r
  IN  CONST EFI_GUID                 *FileName,   OPTIONAL\r
  IN        EFI_FV_FILETYPE          SearchType,\r
  IN OUT    EFI_PEI_FILE_HANDLE      *FileHandle,\r
  IN OUT    EFI_PEI_FILE_HANDLE      *AprioriFile  OPTIONAL\r
  );\r
\r
/**\r
  Report the information for a newly discovered FV in an unknown format.\r
\r
  If the EFI_PEI_FIRMWARE_VOLUME_PPI has not been installed for a third-party FV format, but\r
  the FV has been discovered, then the information of this FV will be cached into PEI_CORE_INSTANCE's\r
  UnknownFvInfo array.\r
\r
  Also a notification would be installed for unknown FV format GUID, if EFI_PEI_FIRMWARE_VOLUME_PPI\r
  is installed later by platform's PEIM, the original unknown FV will be processed by\r
  using new installed EFI_PEI_FIRMWARE_VOLUME_PPI.\r
\r
  @param PrivateData  Point to instance of PEI_CORE_INSTANCE\r
  @param FvInfo2Ppi   Point to FvInfo2 PPI.\r
\r
  @retval EFI_OUT_OF_RESOURCES  The FV info array in PEI_CORE_INSTANCE has no more spaces.\r
  @retval EFI_SUCCESS           Success to add the information for unknown FV.\r
**/\r
EFI_STATUS\r
AddUnknownFormatFvInfo (\r
  IN PEI_CORE_INSTANCE                  *PrivateData,\r
  IN EFI_PEI_FIRMWARE_VOLUME_INFO2_PPI  *FvInfo2Ppi\r
  );\r
\r
/**\r
  Find the FV information according to FV format GUID.\r
\r
  This routine also will remove the FV information found by given FV format GUID from\r
  PrivateData->UnknownFvInfo[].\r
\r
  @param PrivateData      Point to instance of PEI_CORE_INSTANCE\r
  @param Format           Point to given FV format GUID\r
  @param FvInfo           On return, the pointer of FV information buffer in given FV format GUID\r
  @param FvInfoSize       On return, the size of FV information buffer.\r
  @param AuthenticationStatus On return, the authentication status of FV information buffer.\r
\r
  @retval EFI_NOT_FOUND  The FV is not found for new installed EFI_PEI_FIRMWARE_VOLUME_PPI\r
  @retval EFI_SUCCESS    Success to find a FV which could be processed by new installed EFI_PEI_FIRMWARE_VOLUME_PPI.\r
**/\r
EFI_STATUS\r
FindUnknownFormatFvInfo (\r
  IN  PEI_CORE_INSTANCE *PrivateData,\r
  IN  EFI_GUID          *Format,\r
  OUT VOID              **FvInfo,\r
  OUT UINT32            *FvInfoSize,\r
  OUT UINT32            *AuthenticationStatus\r
  );\r
\r
/**\r
  Notification callback function for EFI_PEI_FIRMWARE_VOLUME_PPI.\r
\r
  When a EFI_PEI_FIRMWARE_VOLUME_PPI is installed to support new FV format, this\r
  routine is called to process all discovered FVs in this format.\r
\r
  @param PeiServices       An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation\r
  @param NotifyDescriptor  Address of the notification descriptor data structure.\r
  @param Ppi               Address of the PPI that was installed.\r
\r
  @retval EFI_SUCCESS  The notification callback is processed correctly.\r
**/\r
EFI_STATUS\r
EFIAPI\r
ThirdPartyFvPpiNotifyCallback (\r
  IN EFI_PEI_SERVICES              **PeiServices,\r
  IN EFI_PEI_NOTIFY_DESCRIPTOR     *NotifyDescriptor,\r
  IN VOID                          *Ppi\r
  );\r
\r
#endif\r
Commit	Line	Data
	1	/** @file\r
	2	The internal header file for firmware volume related definitions.\r
	3	\r
	4	Copyright (c) 2009 - 2019, Intel Corporation. All rights reserved.<BR>\r
	5	SPDX-License-Identifier: BSD-2-Clause-Patent\r
	6	\r
	7	**/\r
	8	\r
	9	#ifndef _FWVOL_H_\r
	10	#define _FWVOL_H_\r
	11	\r
	12	#include "PeiMain.h"\r
	13	\r
	14	#define GET_OCCUPIED_SIZE(ActualSize, Alignment) \\r
	15	((ActualSize) + (((Alignment) - ((ActualSize) & ((Alignment) - 1))) & ((Alignment) - 1)))\r
	16	\r
	17	\r
	18	#define PEI_FW_VOL_SIGNATURE SIGNATURE_32('P','F','W','V')\r
	19	\r
	20	typedef struct {\r
	21	UINTN Signature;\r
	22	BOOLEAN IsFfs3Fv;\r
	23	EFI_PEI_FIRMWARE_VOLUME_PPI Fv;\r
	24	} PEI_FW_VOL_INSTANCE;\r
	25	\r
	26	#define PEI_FW_VOL_INSTANCE_FROM_FV_THIS(a) \\r
	27	CR(a, PEI_FW_VOL_INSTANCE, Fv, PEI_FW_VOL_SIGNATURE)\r
	28	\r
	29	\r
	30	/**\r
	31	Process a firmware volume and create a volume handle.\r
	32	\r
	33	Create a volume handle from the information in the buffer. For\r
	34	memory-mapped firmware volumes, Buffer and BufferSize refer to\r
	35	the start of the firmware volume and the firmware volume size.\r
	36	For non memory-mapped firmware volumes, this points to a\r
	37	buffer which contains the necessary information for creating\r
	38	the firmware volume handle. Normally, these values are derived\r
	39	from the EFI_FIRMWARE_VOLUME_INFO_PPI.\r
	40	\r
	41	\r
	42	@param This Points to this instance of the\r
	43	EFI_PEI_FIRMWARE_VOLUME_PPI.\r
	44	@param Buffer Points to the start of the buffer.\r
	45	@param BufferSize Size of the buffer.\r
	46	@param FvHandle Points to the returned firmware volume\r
	47	handle. The firmware volume handle must\r
	48	be unique within the system.\r
	49	\r
	50	@retval EFI_SUCCESS Firmware volume handle created.\r
	51	@retval EFI_VOLUME_CORRUPTED Volume was corrupt.\r
	52	\r
	53	**/\r
	54	EFI_STATUS\r
	55	EFIAPI\r
	56	PeiFfsFvPpiProcessVolume (\r
	57	IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,\r
	58	IN VOID *Buffer,\r
	59	IN UINTN BufferSize,\r
	60	OUT EFI_PEI_FV_HANDLE *FvHandle\r
	61	);\r
	62	\r
	63	/**\r
	64	Finds the next file of the specified type.\r
	65	\r
	66	This service enables PEI modules to discover additional firmware files.\r
	67	The FileHandle must be unique within the system.\r
	68	\r
	69	@param This Points to this instance of the\r
	70	EFI_PEI_FIRMWARE_VOLUME_PPI.\r
	71	@param SearchType A filter to find only files of this type. Type\r
	72	EFI_FV_FILETYPE_ALL causes no filtering to be\r
	73	done.\r
	74	@param FvHandle Handle of firmware volume in which to\r
	75	search.\r
	76	@param FileHandle Points to the current handle from which to\r
	77	begin searching or NULL to start at the\r
	78	beginning of the firmware volume. Updated\r
	79	upon return to reflect the file found.\r
	80	\r
	81	@retval EFI_SUCCESS The file was found.\r
	82	@retval EFI_NOT_FOUND The file was not found. FileHandle contains NULL.\r
	83	\r
	84	**/\r
	85	EFI_STATUS\r
	86	EFIAPI\r
	87	PeiFfsFvPpiFindFileByType (\r
	88	IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,\r
	89	IN EFI_FV_FILETYPE SearchType,\r
	90	IN EFI_PEI_FV_HANDLE FvHandle,\r
	91	IN OUT EFI_PEI_FILE_HANDLE *FileHandle\r
	92	);\r
	93	\r
	94	/**\r
	95	Find a file within a volume by its name.\r
	96	\r
	97	This service searches for files with a specific name, within\r
	98	either the specified firmware volume or all firmware volumes.\r
	99	\r
	100	@param This Points to this instance of the\r
	101	EFI_PEI_FIRMWARE_VOLUME_PPI.\r
	102	@param FileName A pointer to the name of the file to find\r
	103	within the firmware volume.\r
	104	@param FvHandle Upon entry, the pointer to the firmware\r
	105	volume to search or NULL if all firmware\r
	106	volumes should be searched. Upon exit, the\r
	107	actual firmware volume in which the file was\r
	108	found.\r
	109	@param FileHandle Upon exit, points to the found file's\r
	110	handle or NULL if it could not be found.\r
	111	\r
	112	@retval EFI_SUCCESS File was found.\r
	113	@retval EFI_NOT_FOUND File was not found.\r
	114	@retval EFI_INVALID_PARAMETER FvHandle or FileHandle or\r
	115	FileName was NULL.\r
	116	\r
	117	\r
	118	**/\r
	119	EFI_STATUS\r
	120	EFIAPI\r
	121	PeiFfsFvPpiFindFileByName (\r
	122	IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,\r
	123	IN CONST EFI_GUID *FileName,\r
	124	IN EFI_PEI_FV_HANDLE *FvHandle,\r
	125	OUT EFI_PEI_FILE_HANDLE *FileHandle\r
	126	);\r
	127	\r
	128	/**\r
	129	Find the next matching section in the firmware file.\r
	130	\r
	131	This service enables PEI modules to discover sections\r
	132	of a given type within a valid file.\r
	133	\r
	134	@param This Points to this instance of the\r
	135	EFI_PEI_FIRMWARE_VOLUME_PPI.\r
	136	@param SearchType A filter to find only sections of this\r
	137	type.\r
	138	@param FileHandle Handle of firmware file in which to\r
	139	search.\r
	140	@param SectionData Updated upon return to point to the\r
	141	section found.\r
	142	\r
	143	@retval EFI_SUCCESS Section was found.\r
	144	@retval EFI_NOT_FOUND Section of the specified type was not\r
	145	found. SectionData contains NULL.\r
	146	**/\r
	147	EFI_STATUS\r
	148	EFIAPI\r
	149	PeiFfsFvPpiFindSectionByType (\r
	150	IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,\r
	151	IN EFI_SECTION_TYPE SearchType,\r
	152	IN EFI_PEI_FILE_HANDLE FileHandle,\r
	153	OUT VOID **SectionData\r
	154	);\r
	155	\r
	156	/**\r
	157	Find the next matching section in the firmware file.\r
	158	\r
	159	This service enables PEI modules to discover sections\r
	160	of a given instance and type within a valid file.\r
	161	\r
	162	@param This Points to this instance of the\r
	163	EFI_PEI_FIRMWARE_VOLUME_PPI.\r
	164	@param SearchType A filter to find only sections of this\r
	165	type.\r
	166	@param SearchInstance A filter to find the specific instance\r
	167	of sections.\r
	168	@param FileHandle Handle of firmware file in which to\r
	169	search.\r
	170	@param SectionData Updated upon return to point to the\r
	171	section found.\r
	172	@param AuthenticationStatus Updated upon return to point to the\r
	173	authentication status for this section.\r
	174	\r
	175	@retval EFI_SUCCESS Section was found.\r
	176	@retval EFI_NOT_FOUND Section of the specified type was not\r
	177	found. SectionData contains NULL.\r
	178	**/\r
	179	EFI_STATUS\r
	180	EFIAPI\r
	181	PeiFfsFvPpiFindSectionByType2 (\r
	182	IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,\r
	183	IN EFI_SECTION_TYPE SearchType,\r
	184	IN UINTN SearchInstance,\r
	185	IN EFI_PEI_FILE_HANDLE FileHandle,\r
	186	OUT VOID **SectionData,\r
	187	OUT UINT32 *AuthenticationStatus\r
	188	);\r
	189	\r
	190	/**\r
	191	Returns information about a specific file.\r
	192	\r
	193	This function returns information about a specific\r
	194	file, including its file name, type, attributes, starting\r
	195	address and size.\r
	196	\r
	197	@param This Points to this instance of the\r
	198	EFI_PEI_FIRMWARE_VOLUME_PPI.\r
	199	@param FileHandle Handle of the file.\r
	200	@param FileInfo Upon exit, points to the file's\r
	201	information.\r
	202	\r
	203	@retval EFI_SUCCESS File information returned.\r
	204	@retval EFI_INVALID_PARAMETER If FileHandle does not\r
	205	represent a valid file.\r
	206	@retval EFI_INVALID_PARAMETER If FileInfo is NULL.\r
	207	\r
	208	**/\r
	209	EFI_STATUS\r
	210	EFIAPI\r
	211	PeiFfsFvPpiGetFileInfo (\r
	212	IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,\r
	213	IN EFI_PEI_FILE_HANDLE FileHandle,\r
	214	OUT EFI_FV_FILE_INFO *FileInfo\r
	215	);\r
	216	\r
	217	/**\r
	218	Returns information about a specific file.\r
	219	\r
	220	This function returns information about a specific\r
	221	file, including its file name, type, attributes, starting\r
	222	address, size and authentication status.\r
	223	\r
	224	@param This Points to this instance of the\r
	225	EFI_PEI_FIRMWARE_VOLUME_PPI.\r
	226	@param FileHandle Handle of the file.\r
	227	@param FileInfo Upon exit, points to the file's\r
	228	information.\r
	229	\r
	230	@retval EFI_SUCCESS File information returned.\r
	231	@retval EFI_INVALID_PARAMETER If FileHandle does not\r
	232	represent a valid file.\r
	233	@retval EFI_INVALID_PARAMETER If FileInfo is NULL.\r
	234	\r
	235	**/\r
	236	EFI_STATUS\r
	237	EFIAPI\r
	238	PeiFfsFvPpiGetFileInfo2 (\r
	239	IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,\r
	240	IN EFI_PEI_FILE_HANDLE FileHandle,\r
	241	OUT EFI_FV_FILE_INFO2 *FileInfo\r
	242	);\r
	243	\r
	244	/**\r
	245	This function returns information about the firmware volume.\r
	246	\r
	247	@param This Points to this instance of the\r
	248	EFI_PEI_FIRMWARE_VOLUME_PPI.\r
	249	@param FvHandle Handle to the firmware handle.\r
	250	@param VolumeInfo Points to the returned firmware volume\r
	251	information.\r
	252	\r
	253	@retval EFI_SUCCESS Information returned successfully.\r
	254	@retval EFI_INVALID_PARAMETER FvHandle does not indicate a valid\r
	255	firmware volume or VolumeInfo is NULL.\r
	256	\r
	257	**/\r
	258	EFI_STATUS\r
	259	EFIAPI\r
	260	PeiFfsFvPpiGetVolumeInfo (\r
	261	IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,\r
	262	IN EFI_PEI_FV_HANDLE FvHandle,\r
	263	OUT EFI_FV_INFO *VolumeInfo\r
	264	);\r
	265	\r
	266	/**\r
	267	Convert the handle of FV to pointer of corresponding PEI_CORE_FV_HANDLE.\r
	268	\r
	269	@param FvHandle The handle of a FV.\r
	270	\r
	271	@retval NULL if can not find.\r
	272	@return Pointer of corresponding PEI_CORE_FV_HANDLE.\r
	273	**/\r
	274	PEI_CORE_FV_HANDLE *\r
	275	FvHandleToCoreHandle (\r
	276	IN EFI_PEI_FV_HANDLE FvHandle\r
	277	);\r
	278	\r
	279	/**\r
	280	Given the input file pointer, search for the next matching file in the\r
	281	FFS volume as defined by SearchType. The search starts from FileHeader inside\r
	282	the Firmware Volume defined by FwVolHeader.\r
	283	\r
	284	\r
	285	@param FvHandle Pointer to the FV header of the volume to search\r
	286	@param FileName File name\r
	287	@param SearchType Filter to find only files of this type.\r
	288	Type EFI_FV_FILETYPE_ALL causes no filtering to be done.\r
	289	@param FileHandle This parameter must point to a valid FFS volume.\r
	290	@param AprioriFile Pointer to AprioriFile image in this FV if has\r
	291	\r
	292	@return EFI_NOT_FOUND No files matching the search criteria were found\r
	293	@retval EFI_SUCCESS Success to search given file\r
	294	\r
	295	**/\r
	296	EFI_STATUS\r
	297	FindFileEx (\r
	298	IN CONST EFI_PEI_FV_HANDLE FvHandle,\r
	299	IN CONST EFI_GUID *FileName, OPTIONAL\r
	300	IN EFI_FV_FILETYPE SearchType,\r
	301	IN OUT EFI_PEI_FILE_HANDLE *FileHandle,\r
	302	IN OUT EFI_PEI_FILE_HANDLE *AprioriFile OPTIONAL\r
	303	);\r
	304	\r
	305	/**\r
	306	Report the information for a newly discovered FV in an unknown format.\r
	307	\r
	308	If the EFI_PEI_FIRMWARE_VOLUME_PPI has not been installed for a third-party FV format, but\r
	309	the FV has been discovered, then the information of this FV will be cached into PEI_CORE_INSTANCE's\r
	310	UnknownFvInfo array.\r
	311	\r
	312	Also a notification would be installed for unknown FV format GUID, if EFI_PEI_FIRMWARE_VOLUME_PPI\r
	313	is installed later by platform's PEIM, the original unknown FV will be processed by\r
	314	using new installed EFI_PEI_FIRMWARE_VOLUME_PPI.\r
	315	\r
	316	@param PrivateData Point to instance of PEI_CORE_INSTANCE\r
	317	@param FvInfo2Ppi Point to FvInfo2 PPI.\r
	318	\r
	319	@retval EFI_OUT_OF_RESOURCES The FV info array in PEI_CORE_INSTANCE has no more spaces.\r
	320	@retval EFI_SUCCESS Success to add the information for unknown FV.\r
	321	**/\r
	322	EFI_STATUS\r
	323	AddUnknownFormatFvInfo (\r
	324	IN PEI_CORE_INSTANCE *PrivateData,\r
	325	IN EFI_PEI_FIRMWARE_VOLUME_INFO2_PPI *FvInfo2Ppi\r
	326	);\r
	327	\r
	328	/**\r
	329	Find the FV information according to FV format GUID.\r
	330	\r
	331	This routine also will remove the FV information found by given FV format GUID from\r
	332	PrivateData->UnknownFvInfo[].\r
	333	\r
	334	@param PrivateData Point to instance of PEI_CORE_INSTANCE\r
	335	@param Format Point to given FV format GUID\r
	336	@param FvInfo On return, the pointer of FV information buffer in given FV format GUID\r
	337	@param FvInfoSize On return, the size of FV information buffer.\r
	338	@param AuthenticationStatus On return, the authentication status of FV information buffer.\r
	339	\r
	340	@retval EFI_NOT_FOUND The FV is not found for new installed EFI_PEI_FIRMWARE_VOLUME_PPI\r
	341	@retval EFI_SUCCESS Success to find a FV which could be processed by new installed EFI_PEI_FIRMWARE_VOLUME_PPI.\r
	342	**/\r
	343	EFI_STATUS\r
	344	FindUnknownFormatFvInfo (\r
	345	IN PEI_CORE_INSTANCE *PrivateData,\r
	346	IN EFI_GUID *Format,\r
	347	OUT VOID **FvInfo,\r
	348	OUT UINT32 *FvInfoSize,\r
	349	OUT UINT32 *AuthenticationStatus\r
	350	);\r
	351	\r
	352	/**\r
	353	Notification callback function for EFI_PEI_FIRMWARE_VOLUME_PPI.\r
	354	\r
	355	When a EFI_PEI_FIRMWARE_VOLUME_PPI is installed to support new FV format, this\r
	356	routine is called to process all discovered FVs in this format.\r
	357	\r
	358	@param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation\r
	359	@param NotifyDescriptor Address of the notification descriptor data structure.\r
	360	@param Ppi Address of the PPI that was installed.\r
	361	\r
	362	@retval EFI_SUCCESS The notification callback is processed correctly.\r
	363	**/\r
	364	EFI_STATUS\r
	365	EFIAPI\r
	366	ThirdPartyFvPpiNotifyCallback (\r
	367	IN EFI_PEI_SERVICES **PeiServices,\r
	368	IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,\r
	369	IN VOID *Ppi\r
	370	);\r
	371	\r
	372	#endif\r