[mirror_edk2.git] / EdkModulePkg / Library / EdkFvbServiceLib / Ipf / Fvb.c

/*++\r
\r
Copyright (c) 2006, Intel Corporation\r
All rights reserved. This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution.  The full text of the license may be found at\r
http://opensource.org/licenses/bsd-license.php\r
\r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
Module Name:\r
  \r
    Fvb.c\r
\r
Abstract:\r
\r
  Light weight lib to support Tiano Firmware Volume Block \r
  protocol abstraction at runtime.\r
\r
  All these functions convert EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID\r
  class function to the Runtime Lib function. There is a 1 to 1 mapping.\r
\r
  If you are using any of these lib functions.you must first call FvbInitialize ().\r
\r
--*/\r
\r
EFI_STATUS\r
EFIAPI\r
FvbLibInitialize (\r
  IN EFI_HANDLE         ImageHandle,\r
  IN EFI_SYSTEM_TABLE   *SystemTable\r
  )\r
/*++\r
\r
Routine Description:\r
  Initialize globals and register Fvb Protocol notification function.\r
\r
Arguments:\r
  None\r
\r
Returns:\r
  EFI_SUCCESS\r
\r
--*/\r
{\r
  return EFI_SUCCESS;\r
}\r
//\r
// The following functions wrap Fvb protocol in the Runtime Lib functions.\r
// The Instance translates into Fvb instance. The Fvb order defined by HOBs and\r
// thus the sequence of FVB protocol addition define Instance.\r
//\r
// EfiFvbInitialize () must be called before any of the following functions\r
// must be called.\r
//\r
EFI_STATUS\r
EfiFvbReadBlock (\r
  IN UINTN                                        Instance,\r
  IN EFI_LBA                                      Lba,\r
  IN UINTN                                        Offset,\r
  IN OUT UINTN                                    *NumBytes,\r
  IN UINT8                                        *Buffer\r
  )\r
/*++\r
\r
Routine Description:\r
  Reads specified number of bytes into a buffer from the specified block\r
\r
Arguments:\r
  Instance              - The FV instance to be read from\r
  Lba                   - The logical block address to be read from\r
  Offset                - Offset into the block at which to begin reading\r
  NumBytes              - Pointer that on input contains the total size of\r
                          the buffer. On output, it contains the total number\r
                          of bytes read\r
  Buffer                - Pointer to a caller allocated buffer that will be\r
                          used to hold the data read\r
\r
Returns:\r
  Status code\r
\r
--*/\r
{\r
  EFI_GUID Guid;\r
\r
  *((UINT64 *) &Guid) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_LO;\r
  *(((UINT64 *)&Guid) + 1) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_HI;\r
\r
  return EsalCall (&Guid, Read, Instance, Lba, Offset, (UINT64) NumBytes, (UINT64) Buffer, 0, 0).Status;\r
}\r
\r
EFI_STATUS\r
EfiFvbWriteBlock (\r
  IN UINTN                                        Instance,\r
  IN EFI_LBA                                      Lba,\r
  IN UINTN                                        Offset,\r
  IN OUT UINTN                                    *NumBytes,\r
  IN UINT8                                        *Buffer\r
  )\r
/*++\r
\r
Routine Description:\r
  Writes specified number of bytes from the input buffer to the block\r
\r
Arguments:\r
  Instance              - The FV instance to be written to\r
  Lba                   - The starting logical block index to write to\r
  Offset                - Offset into the block at which to begin writing\r
  NumBytes              - Pointer that on input contains the total size of\r
                          the buffer. On output, it contains the total number\r
                          of bytes actually written\r
  Buffer                - Pointer to a caller allocated buffer that contains\r
                          the source for the write\r
\r
Returns:\r
  Status code\r
\r
--*/\r
{\r
  EFI_GUID Guid;\r
\r
  *((UINT64 *) &Guid) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_LO;\r
  *(((UINT64 *)&Guid) + 1) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_HI;\r
\r
  return EsalCall (&Guid, Write, Instance, Lba, Offset, (UINT64) NumBytes, (UINT64) Buffer, 0, 0).Status;\r
}\r
\r
EFI_STATUS\r
EfiFvbEraseBlock (\r
  IN UINTN                                Instance,\r
  IN UINTN                                Lba\r
  )\r
/*++\r
\r
Routine Description:\r
  Erases and initializes a firmware volume block\r
\r
Arguments:\r
  Instance              - The FV instance to be erased\r
  Lba                   - The logical block index to be erased\r
\r
Returns:\r
  Status code\r
\r
--*/\r
{\r
  EFI_GUID Guid;\r
\r
  *((UINT64 *) &Guid) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_LO;\r
  *(((UINT64 *)&Guid) + 1) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_HI;\r
\r
  return EsalCall (&Guid, EraseBlock, Instance, Lba, 0, 0, 0, 0, 0).Status;\r
}\r
\r
EFI_STATUS\r
EfiFvbGetVolumeAttributes (\r
  IN UINTN                                Instance,\r
  OUT EFI_FVB_ATTRIBUTES                  *Attributes\r
  )\r
/*++\r
\r
Routine Description:\r
  Retrieves attributes, insures positive polarity of attribute bits, returns\r
  resulting attributes in output parameter\r
\r
Arguments:\r
  Instance              - The FV instance whose attributes is going to be\r
                          returned\r
  Attributes            - Output buffer which contains attributes\r
\r
Returns:\r
  Status code\r
\r
--*/\r
{\r
  EFI_GUID Guid;\r
\r
  *((UINT64 *) &Guid) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_LO;\r
  *(((UINT64 *)&Guid) + 1) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_HI;\r
\r
  return EsalCall (&Guid, SetVolumeAttributes, Instance, (UINT64) Attributes, 0, 0, 0, 0, 0).Status;\r
}\r
\r
EFI_STATUS\r
EfiFvbSetVolumeAttributes (\r
  IN UINTN                                Instance,\r
  IN EFI_FVB_ATTRIBUTES                   Attributes\r
  )\r
/*++\r
\r
Routine Description:\r
  Modifies the current settings of the firmware volume according to the\r
  input parameter, and returns the new setting of the volume\r
\r
Arguments:\r
  Instance              - The FV instance whose attributes is going to be\r
                          modified\r
  Attributes            - On input, it is a pointer to EFI_FVB_ATTRIBUTES\r
                          containing the desired firmware volume settings.\r
                          On successful return, it contains the new settings\r
                          of the firmware volume\r
\r
Returns:\r
  Status code\r
\r
--*/\r
{\r
  EFI_GUID Guid;\r
\r
  *((UINT64 *) &Guid) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_LO;\r
  *(((UINT64 *)&Guid) + 1) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_HI;\r
\r
  return EsalCall (&Guid, SetVolumeAttributes, Instance, (UINT64) Attributes, 0, 0, 0, 0, 0).Status;\r
}\r
\r
EFI_STATUS\r
EfiFvbGetPhysicalAddress (\r
  IN UINTN                                Instance,\r
  OUT EFI_PHYSICAL_ADDRESS                *BaseAddress\r
  )\r
/*++\r
\r
Routine Description:\r
  Retrieves the physical address of a memory mapped FV\r
\r
Arguments:\r
  Instance              - The FV instance whose base address is going to be\r
                          returned\r
  BaseAddress           - Pointer to a caller allocated EFI_PHYSICAL_ADDRESS\r
                          that on successful return, contains the base address\r
                          of the firmware volume.\r
\r
Returns:\r
  Status code\r
\r
--*/\r
{\r
  EFI_GUID Guid;\r
\r
  *((UINT64 *) &Guid) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_LO;\r
  *(((UINT64 *)&Guid) + 1) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_HI;\r
\r
  return EsalCall (&Guid, GetPhysicalAddress, Instance, (UINT64) BaseAddress, 0, 0, 0, 0, 0).Status;\r
}\r
\r
EFI_STATUS\r
EfiFvbGetBlockSize (\r
  IN UINTN                                Instance,\r
  IN EFI_LBA                              Lba,\r
  OUT UINTN                               *BlockSize,\r
  OUT UINTN                               *NumOfBlocks\r
  )\r
/*++\r
\r
Routine Description:\r
  Retrieve the size of a logical block\r
\r
Arguments:\r
  Instance              - The FV instance whose block size is going to be\r
                          returned\r
  Lba                   - Indicates which block to return the size for.\r
  BlockSize             - A pointer to a caller allocated UINTN in which\r
                          the size of the block is returned\r
  NumOfBlocks           - a pointer to a caller allocated UINTN in which the\r
                          number of consecutive blocks starting with Lba is\r
                          returned. All blocks in this range have a size of\r
                          BlockSize\r
\r
Returns:\r
  EFI_SUCCESS           - The firmware volume was read successfully and\r
                          contents are in Buffer\r
\r
--*/\r
{\r
  EFI_GUID Guid;\r
\r
  *((UINT64 *) &Guid) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_LO;\r
  *(((UINT64 *)&Guid) + 1) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_HI;\r
\r
  return EsalCall (\r
          &Guid,\r
          GetBlockSize,\r
          Instance,\r
          Lba,\r
          (UINT64) BlockSize,\r
          (UINT64) NumOfBlocks,\r
          0,\r
          0,\r
          0\r
          ).Status;\r
}\r
\r
EFI_STATUS\r
EfiFvbEraseCustomBlockRange (\r
  IN UINTN                                Instance,\r
  IN EFI_LBA                              StartLba,\r
  IN UINTN                                OffsetStartLba,\r
  IN EFI_LBA                              LastLba,\r
  IN UINTN                                OffsetLastLba\r
  )\r
/*++\r
\r
Routine Description:\r
  Erases and initializes a specified range of a firmware volume\r
\r
Arguments:\r
  Instance              - The FV instance to be erased\r
  StartLba              - The starting logical block index to be erased\r
  OffsetStartLba        - Offset into the starting block at which to\r
                          begin erasing\r
  LastLba               - The last logical block index to be erased\r
  OffsetLastLba         - Offset into the last block at which to end erasing\r
\r
Returns:\r
  Status code\r
\r
--*/\r
{\r
  EFI_GUID Guid;\r
\r
  *((UINT64 *) &Guid) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_LO;\r
  *(((UINT64 *)&Guid) + 1) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_HI;\r
\r
  return EsalCall (\r
          &Guid,\r
          EraseCustomBlockRange,\r
          Instance,\r
          StartLba,\r
          OffsetStartLba,\r
          LastLba,\r
          OffsetLastLba,\r
          0,\r
          0\r
          ).Status;\r
}\r
\r
\r
/**\r
  BugBug: Can't turn this off in the current MSA so we need a stub\r
**/\r
VOID\r
EFIAPI\r
FvbVirtualAddressChangeNotifyEvent (\r
  IN EFI_EVENT        Event,\r
  IN VOID             *Context\r
  )\r
{\r
}\r
Commit	Line	Data
878ddf1f	1	/*++\r
878ddf1f	2	\r
7f47bef3	3	Copyright (c) 2006, Intel Corporation\r
	4	All rights reserved. This program and the accompanying materials\r
	5	are licensed and made available under the terms and conditions of the BSD License\r
	6	which accompanies this distribution. The full text of the license may be found at\r
	7	http://opensource.org/licenses/bsd-license.php\r
	8	\r
	9	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	10	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
878ddf1f	11	\r
	12	Module Name:\r
	13	\r
	14	Fvb.c\r
	15	\r
	16	Abstract:\r
	17	\r
	18	Light weight lib to support Tiano Firmware Volume Block \r
	19	protocol abstraction at runtime.\r
	20	\r
	21	All these functions convert EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID\r
	22	class function to the Runtime Lib function. There is a 1 to 1 mapping.\r
	23	\r
	24	If you are using any of these lib functions.you must first call FvbInitialize ().\r
	25	\r
	26	--*/\r
	27	\r
	28	EFI_STATUS\r
7f47bef3	29	EFIAPI\r
878ddf1f	30	FvbLibInitialize (\r
	31	IN EFI_HANDLE ImageHandle,\r
	32	IN EFI_SYSTEM_TABLE *SystemTable\r
	33	)\r
	34	/*++\r
	35	\r
	36	Routine Description:\r
	37	Initialize globals and register Fvb Protocol notification function.\r
	38	\r
	39	Arguments:\r
	40	None\r
	41	\r
7f47bef3	42	Returns:\r
878ddf1f	43	EFI_SUCCESS\r
	44	\r
	45	--*/\r
	46	{\r
	47	return EFI_SUCCESS;\r
	48	}\r
	49	//\r
	50	// The following functions wrap Fvb protocol in the Runtime Lib functions.\r
	51	// The Instance translates into Fvb instance. The Fvb order defined by HOBs and\r
	52	// thus the sequence of FVB protocol addition define Instance.\r
	53	//\r
	54	// EfiFvbInitialize () must be called before any of the following functions\r
	55	// must be called.\r
	56	//\r
	57	EFI_STATUS\r
	58	EfiFvbReadBlock (\r
	59	IN UINTN Instance,\r
	60	IN EFI_LBA Lba,\r
	61	IN UINTN Offset,\r
	62	IN OUT UINTN *NumBytes,\r
	63	IN UINT8 *Buffer\r
	64	)\r
	65	/*++\r
	66	\r
	67	Routine Description:\r
	68	Reads specified number of bytes into a buffer from the specified block\r
	69	\r
	70	Arguments:\r
	71	Instance - The FV instance to be read from\r
	72	Lba - The logical block address to be read from\r
	73	Offset - Offset into the block at which to begin reading\r
	74	NumBytes - Pointer that on input contains the total size of\r
	75	the buffer. On output, it contains the total number\r
	76	of bytes read\r
	77	Buffer - Pointer to a caller allocated buffer that will be\r
	78	used to hold the data read\r
	79	\r
	80	Returns:\r
	81	Status code\r
	82	\r
	83	--*/\r
	84	{\r
fce67685	85	EFI_GUID Guid;\r
	86	\r
	87	((UINT64 ) &Guid) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_LO;\r
	88	(((UINT64 )&Guid) + 1) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_HI;\r
878ddf1f	89	\r
188fe5e8	90	return EsalCall (&Guid, Read, Instance, Lba, Offset, (UINT64) NumBytes, (UINT64) Buffer, 0, 0).Status;\r
878ddf1f	91	}\r
	92	\r
	93	EFI_STATUS\r
	94	EfiFvbWriteBlock (\r
	95	IN UINTN Instance,\r
	96	IN EFI_LBA Lba,\r
	97	IN UINTN Offset,\r
	98	IN OUT UINTN *NumBytes,\r
	99	IN UINT8 *Buffer\r
	100	)\r
	101	/*++\r
	102	\r
	103	Routine Description:\r
	104	Writes specified number of bytes from the input buffer to the block\r
	105	\r
	106	Arguments:\r
	107	Instance - The FV instance to be written to\r
	108	Lba - The starting logical block index to write to\r
	109	Offset - Offset into the block at which to begin writing\r
	110	NumBytes - Pointer that on input contains the total size of\r
	111	the buffer. On output, it contains the total number\r
	112	of bytes actually written\r
	113	Buffer - Pointer to a caller allocated buffer that contains\r
	114	the source for the write\r
	115	\r
	116	Returns:\r
	117	Status code\r
	118	\r
	119	--*/\r
	120	{\r
fce67685	121	EFI_GUID Guid;\r
	122	\r
	123	((UINT64 ) &Guid) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_LO;\r
	124	(((UINT64 )&Guid) + 1) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_HI;\r
878ddf1f	125	\r
188fe5e8	126	return EsalCall (&Guid, Write, Instance, Lba, Offset, (UINT64) NumBytes, (UINT64) Buffer, 0, 0).Status;\r
878ddf1f	127	}\r
	128	\r
	129	EFI_STATUS\r
	130	EfiFvbEraseBlock (\r
	131	IN UINTN Instance,\r
	132	IN UINTN Lba\r
	133	)\r
	134	/*++\r
	135	\r
	136	Routine Description:\r
	137	Erases and initializes a firmware volume block\r
	138	\r
	139	Arguments:\r
	140	Instance - The FV instance to be erased\r
	141	Lba - The logical block index to be erased\r
	142	\r
	143	Returns:\r
	144	Status code\r
	145	\r
	146	--*/\r
	147	{\r
fce67685	148	EFI_GUID Guid;\r
	149	\r
	150	((UINT64 ) &Guid) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_LO;\r
	151	(((UINT64 )&Guid) + 1) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_HI;\r
878ddf1f	152	\r
188fe5e8	153	return EsalCall (&Guid, EraseBlock, Instance, Lba, 0, 0, 0, 0, 0).Status;\r
878ddf1f	154	}\r
	155	\r
	156	EFI_STATUS\r
	157	EfiFvbGetVolumeAttributes (\r
	158	IN UINTN Instance,\r
	159	OUT EFI_FVB_ATTRIBUTES *Attributes\r
	160	)\r
	161	/*++\r
	162	\r
	163	Routine Description:\r
	164	Retrieves attributes, insures positive polarity of attribute bits, returns\r
	165	resulting attributes in output parameter\r
	166	\r
	167	Arguments:\r
7f47bef3	168	Instance - The FV instance whose attributes is going to be\r
878ddf1f	169	returned\r
	170	Attributes - Output buffer which contains attributes\r
	171	\r
	172	Returns:\r
	173	Status code\r
	174	\r
	175	--*/\r
	176	{\r
fce67685	177	EFI_GUID Guid;\r
	178	\r
	179	((UINT64 ) &Guid) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_LO;\r
	180	(((UINT64 )&Guid) + 1) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_HI;\r
878ddf1f	181	\r
188fe5e8	182	return EsalCall (&Guid, SetVolumeAttributes, Instance, (UINT64) Attributes, 0, 0, 0, 0, 0).Status;\r
878ddf1f	183	}\r
	184	\r
	185	EFI_STATUS\r
	186	EfiFvbSetVolumeAttributes (\r
	187	IN UINTN Instance,\r
	188	IN EFI_FVB_ATTRIBUTES Attributes\r
	189	)\r
	190	/*++\r
	191	\r
	192	Routine Description:\r
7f47bef3	193	Modifies the current settings of the firmware volume according to the\r
878ddf1f	194	input parameter, and returns the new setting of the volume\r
	195	\r
	196	Arguments:\r
7f47bef3	197	Instance - The FV instance whose attributes is going to be\r
878ddf1f	198	modified\r
7f47bef3	199	Attributes - On input, it is a pointer to EFI_FVB_ATTRIBUTES\r
878ddf1f	200	containing the desired firmware volume settings.\r
	201	On successful return, it contains the new settings\r
	202	of the firmware volume\r
	203	\r
	204	Returns:\r
	205	Status code\r
	206	\r
	207	--*/\r
	208	{\r
fce67685	209	EFI_GUID Guid;\r
	210	\r
	211	((UINT64 ) &Guid) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_LO;\r
	212	(((UINT64 )&Guid) + 1) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_HI;\r
878ddf1f	213	\r
188fe5e8	214	return EsalCall (&Guid, SetVolumeAttributes, Instance, (UINT64) Attributes, 0, 0, 0, 0, 0).Status;\r
878ddf1f	215	}\r
	216	\r
	217	EFI_STATUS\r
	218	EfiFvbGetPhysicalAddress (\r
	219	IN UINTN Instance,\r
	220	OUT EFI_PHYSICAL_ADDRESS *BaseAddress\r
	221	)\r
	222	/*++\r
	223	\r
	224	Routine Description:\r
	225	Retrieves the physical address of a memory mapped FV\r
	226	\r
	227	Arguments:\r
	228	Instance - The FV instance whose base address is going to be\r
	229	returned\r
7f47bef3	230	BaseAddress - Pointer to a caller allocated EFI_PHYSICAL_ADDRESS\r
878ddf1f	231	that on successful return, contains the base address\r
7f47bef3	232	of the firmware volume.\r
878ddf1f	233	\r
	234	Returns:\r
	235	Status code\r
	236	\r
	237	--*/\r
	238	{\r
fce67685	239	EFI_GUID Guid;\r
	240	\r
	241	((UINT64 ) &Guid) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_LO;\r
	242	(((UINT64 )&Guid) + 1) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_HI;\r
878ddf1f	243	\r
188fe5e8	244	return EsalCall (&Guid, GetPhysicalAddress, Instance, (UINT64) BaseAddress, 0, 0, 0, 0, 0).Status;\r
878ddf1f	245	}\r
	246	\r
	247	EFI_STATUS\r
	248	EfiFvbGetBlockSize (\r
	249	IN UINTN Instance,\r
	250	IN EFI_LBA Lba,\r
	251	OUT UINTN *BlockSize,\r
	252	OUT UINTN *NumOfBlocks\r
	253	)\r
	254	/*++\r
	255	\r
	256	Routine Description:\r
	257	Retrieve the size of a logical block\r
	258	\r
	259	Arguments:\r
	260	Instance - The FV instance whose block size is going to be\r
	261	returned\r
	262	Lba - Indicates which block to return the size for.\r
	263	BlockSize - A pointer to a caller allocated UINTN in which\r
	264	the size of the block is returned\r
	265	NumOfBlocks - a pointer to a caller allocated UINTN in which the\r
	266	number of consecutive blocks starting with Lba is\r
	267	returned. All blocks in this range have a size of\r
	268	BlockSize\r
	269	\r
	270	Returns:\r
7f47bef3	271	EFI_SUCCESS - The firmware volume was read successfully and\r
878ddf1f	272	contents are in Buffer\r
	273	\r
	274	--*/\r
	275	{\r
fce67685	276	EFI_GUID Guid;\r
	277	\r
	278	((UINT64 ) &Guid) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_LO;\r
	279	(((UINT64 )&Guid) + 1) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_HI;\r
878ddf1f	280	\r
188fe5e8	281	return EsalCall (\r
878ddf1f	282	&Guid,\r
	283	GetBlockSize,\r
	284	Instance,\r
	285	Lba,\r
	286	(UINT64) BlockSize,\r
	287	(UINT64) NumOfBlocks,\r
	288	0,\r
	289	0,\r
	290	0\r
	291	).Status;\r
	292	}\r
	293	\r
	294	EFI_STATUS\r
	295	EfiFvbEraseCustomBlockRange (\r
	296	IN UINTN Instance,\r
	297	IN EFI_LBA StartLba,\r
	298	IN UINTN OffsetStartLba,\r
	299	IN EFI_LBA LastLba,\r
	300	IN UINTN OffsetLastLba\r
	301	)\r
	302	/*++\r
	303	\r
	304	Routine Description:\r
	305	Erases and initializes a specified range of a firmware volume\r
	306	\r
	307	Arguments:\r
	308	Instance - The FV instance to be erased\r
	309	StartLba - The starting logical block index to be erased\r
7f47bef3	310	OffsetStartLba - Offset into the starting block at which to\r
878ddf1f	311	begin erasing\r
	312	LastLba - The last logical block index to be erased\r
	313	OffsetLastLba - Offset into the last block at which to end erasing\r
	314	\r
	315	Returns:\r
	316	Status code\r
	317	\r
	318	--*/\r
	319	{\r
fce67685	320	EFI_GUID Guid;\r
	321	\r
	322	((UINT64 ) &Guid) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_LO;\r
	323	(((UINT64 )&Guid) + 1) = EFI_EXTENDED_SAL_FV_BLOCK_SERVICES_PROTOCOL_GUID_HI;\r
878ddf1f	324	\r
188fe5e8	325	return EsalCall (\r
878ddf1f	326	&Guid,\r
	327	EraseCustomBlockRange,\r
	328	Instance,\r
	329	StartLba,\r
	330	OffsetStartLba,\r
	331	LastLba,\r
	332	OffsetLastLba,\r
	333	0,\r
	334	0\r
	335	).Status;\r
	336	}\r
	337	\r
	338	\r
	339	/**\r
	340	BugBug: Can't turn this off in the current MSA so we need a stub\r
	341	**/\r
	342	VOID\r
	343	EFIAPI\r
	344	FvbVirtualAddressChangeNotifyEvent (\r
	345	IN EFI_EVENT Event,\r
	346	IN VOID *Context\r
	347	)\r
	348	{\r
	349	}\r