[mirror_edk2.git] / ShellPkg / Library / UefiShellDebug1CommandsLib / SmbiosView / LibSmbiosView.c

/** @file\r
  API for SMBIOS table.\r
\r
  Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
\r
#include "UefiShellDebug1CommandsLib.h"\r
#include <Guid/SmBios.h>\r
#include "LibSmbiosView.h"\r
#include "SmbiosView.h"\r
\r
STATIC UINT8                    mInit         = 0;\r
STATIC UINT8                    m64Init       = 0;\r
STATIC SMBIOS_TABLE_ENTRY_POINT     *mSmbiosTable   = NULL;\r
STATIC SMBIOS_TABLE_3_0_ENTRY_POINT *mSmbios64BitTable = NULL;\r
STATIC SMBIOS_STRUCTURE_POINTER m_SmbiosStruct;\r
STATIC SMBIOS_STRUCTURE_POINTER *mSmbiosStruct = &m_SmbiosStruct;\r
STATIC SMBIOS_STRUCTURE_POINTER m_Smbios64BitStruct;\r
STATIC SMBIOS_STRUCTURE_POINTER *mSmbios64BitStruct = &m_Smbios64BitStruct;\r
\r
/**\r
  Init the SMBIOS VIEW API's environment.\r
\r
  @retval EFI_SUCCESS  Successful to init the SMBIOS VIEW Lib.\r
**/\r
EFI_STATUS\r
LibSmbiosInit (\r
  VOID\r
  )\r
{\r
  EFI_STATUS  Status;\r
\r
  //\r
  // Init only once\r
  //\r
  if (mInit == 1) {\r
    return EFI_SUCCESS;\r
  }\r
  //\r
  // Get SMBIOS table from System Configure table\r
  //\r
  Status = GetSystemConfigurationTable (&gEfiSmbiosTableGuid, (VOID**)&mSmbiosTable);\r
\r
  if (mSmbiosTable == NULL) {\r
    return EFI_NOT_FOUND;\r
  }\r
\r
  if (EFI_ERROR (Status)) {\r
    ShellPrintHiiEx(-1,-1,NULL,STRING_TOKEN (STR_SMBIOSVIEW_LIBSMBIOSVIEW_GET_TABLE_ERROR), gShellDebug1HiiHandle, Status);\r
    return Status;\r
  }\r
  //\r
  // Init SMBIOS structure table address\r
  //\r
  mSmbiosStruct->Raw  = (UINT8 *) (UINTN) (mSmbiosTable->TableAddress);\r
\r
  mInit               = 1;\r
  return EFI_SUCCESS;\r
}\r
\r
/**\r
  Init the SMBIOS VIEW API's environment.\r
\r
  @retval EFI_SUCCESS  Successful to init the SMBIOS VIEW Lib.\r
**/\r
EFI_STATUS\r
LibSmbios64BitInit (\r
  VOID\r
  )\r
{\r
  EFI_STATUS  Status;\r
\r
  //\r
  // Init only once\r
  //\r
  if (m64Init == 1) {\r
    return EFI_SUCCESS;\r
  }\r
  //\r
  // Get SMBIOS table from System Configure table\r
  //\r
  Status = GetSystemConfigurationTable (&gEfiSmbios3TableGuid, (VOID**)&mSmbios64BitTable);\r
\r
  if (mSmbios64BitTable == NULL) {\r
    return EFI_NOT_FOUND;\r
  }\r
\r
  if (EFI_ERROR (Status)) {\r
    ShellPrintHiiEx(-1,-1,NULL,STRING_TOKEN (STR_SMBIOSVIEW_LIBSMBIOSVIEW_GET_TABLE_ERROR), gShellDebug1HiiHandle, Status);\r
    return Status;\r
  }\r
  //\r
  // Init SMBIOS structure table address\r
  //\r
  mSmbios64BitStruct->Raw  = (UINT8 *) (UINTN) (mSmbios64BitTable->TableAddress);\r
\r
  m64Init               = 1;\r
  return EFI_SUCCESS;\r
}\r
\r
/**\r
  Cleanup the Smbios information.\r
**/\r
VOID\r
LibSmbiosCleanup (\r
  VOID\r
  )\r
{\r
  //\r
  // Release resources\r
  //\r
  if (mSmbiosTable != NULL) {\r
    mSmbiosTable = NULL;\r
  }\r
\r
  mInit = 0;\r
}\r
\r
/**\r
  Cleanup the Smbios information.\r
**/\r
VOID\r
LibSmbios64BitCleanup (\r
  VOID\r
  )\r
{\r
  //\r
  // Release resources\r
  //\r
  if (mSmbios64BitTable != NULL) {\r
    mSmbios64BitTable = NULL;\r
  }\r
\r
  m64Init = 0;\r
}\r
\r
/**\r
  Get the entry point structure for the table.\r
\r
  @param[out] EntryPointStructure  The pointer to populate.\r
**/\r
VOID\r
LibSmbiosGetEPS (\r
  OUT SMBIOS_TABLE_ENTRY_POINT **EntryPointStructure\r
  )\r
{\r
  //\r
  // return SMBIOS Table address\r
  //\r
  *EntryPointStructure = mSmbiosTable;\r
}\r
\r
/**\r
  Get the entry point structure for the table.\r
\r
  @param[out] EntryPointStructure  The pointer to populate.\r
**/\r
VOID\r
LibSmbios64BitGetEPS (\r
  OUT SMBIOS_TABLE_3_0_ENTRY_POINT **EntryPointStructure\r
  )\r
{\r
  //\r
  // return SMBIOS Table address\r
  //\r
  *EntryPointStructure = mSmbios64BitTable;\r
}\r
\r
/**\r
  Return SMBIOS string for the given string number.\r
\r
  @param[in] Smbios         Pointer to SMBIOS structure.\r
  @param[in] StringNumber   String number to return. -1 is used to skip all strings and\r
                            point to the next SMBIOS structure.\r
\r
  @return Pointer to string, or pointer to next SMBIOS strcuture if StringNumber == -1\r
**/\r
CHAR8*\r
LibGetSmbiosString (\r
  IN  SMBIOS_STRUCTURE_POINTER    *Smbios,\r
  IN  UINT16                      StringNumber\r
  )\r
{\r
  UINT16  Index;\r
  CHAR8   *String;\r
\r
  ASSERT (Smbios != NULL);\r
\r
  //\r
  // Skip over formatted section\r
  //\r
  String = (CHAR8 *) (Smbios->Raw + Smbios->Hdr->Length);\r
\r
  //\r
  // Look through unformated section\r
  //\r
  for (Index = 1; Index <= StringNumber; Index++) {\r
    if (StringNumber == Index) {\r
      return String;\r
    }\r
    //\r
    // Skip string\r
    //\r
    for (; *String != 0; String++);\r
    String++;\r
\r
    if (*String == 0) {\r
      //\r
      // If double NULL then we are done.\r
      //  Return pointer to next structure in Smbios.\r
      //  if you pass in a -1 you will always get here\r
      //\r
      Smbios->Raw = (UINT8 *)++String;\r
      return NULL;\r
    }\r
  }\r
\r
  return NULL;\r
}\r
\r
/**\r
    Get SMBIOS structure for the given Handle,\r
    Handle is changed to the next handle or 0xFFFF when the end is\r
    reached or the handle is not found.\r
\r
    @param[in, out] Handle     0xFFFF: get the first structure\r
                               Others: get a structure according to this value.\r
    @param[out] Buffer         The pointer to the pointer to the structure.\r
    @param[out] Length         Length of the structure.\r
\r
    @retval DMI_SUCCESS   Handle is updated with next structure handle or\r
                          0xFFFF(end-of-list).\r
\r
    @retval DMI_INVALID_HANDLE  Handle is updated with first structure handle or\r
                                0xFFFF(end-of-list).\r
**/\r
EFI_STATUS\r
LibGetSmbiosStructure (\r
  IN  OUT UINT16  *Handle,\r
  OUT UINT8       **Buffer,\r
  OUT UINT16      *Length\r
  )\r
{\r
  SMBIOS_STRUCTURE_POINTER  Smbios;\r
  SMBIOS_STRUCTURE_POINTER  SmbiosEnd;\r
  UINT8                     *Raw;\r
\r
  if (*Handle == INVALID_HANDLE) {\r
    *Handle = mSmbiosStruct->Hdr->Handle;\r
    return DMI_INVALID_HANDLE;\r
  }\r
\r
  if ((Buffer == NULL) || (Length == NULL)) {\r
    ShellPrintHiiEx(-1,-1,NULL,STRING_TOKEN (STR_SMBIOSVIEW_LIBSMBIOSVIEW_NO_BUFF_LEN_SPEC), gShellDebug1HiiHandle);\r
    return DMI_INVALID_HANDLE;\r
  }\r
\r
  *Length       = 0;\r
  Smbios.Hdr    = mSmbiosStruct->Hdr;\r
  SmbiosEnd.Raw = Smbios.Raw + mSmbiosTable->TableLength;\r
  while (Smbios.Raw < SmbiosEnd.Raw) {\r
    if (Smbios.Hdr->Handle == *Handle) {\r
      Raw = Smbios.Raw;\r
      //\r
      // Walk to next structure\r
      //\r
      LibGetSmbiosString (&Smbios, (UINT16) (-1));\r
      //\r
      // Length = Next structure head - this structure head\r
      //\r
      *Length = (UINT16) (Smbios.Raw - Raw);\r
      *Buffer = Raw;\r
      //\r
      // update with the next structure handle.\r
      //\r
      if (Smbios.Raw < SmbiosEnd.Raw) {\r
        *Handle = Smbios.Hdr->Handle;\r
      } else {\r
        *Handle = INVALID_HANDLE;\r
      }\r
      return DMI_SUCCESS;\r
    }\r
    //\r
    // Walk to next structure\r
    //\r
    LibGetSmbiosString (&Smbios, (UINT16) (-1));\r
  }\r
\r
  *Handle = INVALID_HANDLE;\r
  return DMI_INVALID_HANDLE;\r
}\r
\r
/**\r
    Get SMBIOS structure for the given Handle,\r
    Handle is changed to the next handle or 0xFFFF when the end is\r
    reached or the handle is not found.\r
\r
    @param[in, out] Handle     0xFFFF: get the first structure\r
                               Others: get a structure according to this value.\r
    @param[out] Buffer         The pointer to the pointer to the structure.\r
    @param[out] Length         Length of the structure.\r
\r
    @retval DMI_SUCCESS   Handle is updated with next structure handle or\r
                          0xFFFF(end-of-list).\r
\r
    @retval DMI_INVALID_HANDLE  Handle is updated with first structure handle or\r
                                0xFFFF(end-of-list).\r
**/\r
EFI_STATUS\r
LibGetSmbios64BitStructure (\r
  IN  OUT UINT16  *Handle,\r
  OUT UINT8       **Buffer,\r
  OUT UINT16      *Length\r
  )\r
{\r
  SMBIOS_STRUCTURE_POINTER  Smbios;\r
  SMBIOS_STRUCTURE_POINTER  SmbiosEnd;\r
  UINT8                     *Raw;\r
\r
  if (*Handle == INVALID_HANDLE) {\r
    *Handle = mSmbios64BitStruct->Hdr->Handle;\r
    return DMI_INVALID_HANDLE;\r
  }\r
\r
  if ((Buffer == NULL) || (Length == NULL)) {\r
    ShellPrintHiiEx(-1,-1,NULL,STRING_TOKEN (STR_SMBIOSVIEW_LIBSMBIOSVIEW_NO_BUFF_LEN_SPEC), gShellDebug1HiiHandle);\r
    return DMI_INVALID_HANDLE;\r
  }\r
\r
  *Length     = 0;\r
  Smbios.Hdr  = mSmbios64BitStruct->Hdr;\r
\r
  SmbiosEnd.Raw = Smbios.Raw + mSmbios64BitTableLength;\r
  while (Smbios.Raw < SmbiosEnd.Raw) {\r
    if (Smbios.Hdr->Handle == *Handle) {\r
      Raw = Smbios.Raw;\r
      //\r
      // Walk to next structure\r
      //\r
      LibGetSmbiosString (&Smbios, (UINT16) (-1));\r
      //\r
      // Length = Next structure head - this structure head\r
      //\r
      *Length = (UINT16) (Smbios.Raw - Raw);\r
      *Buffer = Raw;\r
      //\r
      // update with the next structure handle.\r
      //\r
      if (Smbios.Raw < SmbiosEnd.Raw) {\r
        *Handle = Smbios.Hdr->Handle;\r
      } else {\r
        *Handle = INVALID_HANDLE;\r
      }\r
      return DMI_SUCCESS;\r
    }\r
    //\r
    // Walk to next structure\r
    //\r
    LibGetSmbiosString (&Smbios, (UINT16) (-1));\r
  }\r
\r
  *Handle = INVALID_HANDLE;\r
  return DMI_INVALID_HANDLE;\r
}\r
Commit	Line	Data
5d73d92f	1	/** @file\r
	2	API for SMBIOS table.\r
	3	\r
ba0014b9	4	Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>\r
56ba3746	5	SPDX-License-Identifier: BSD-2-Clause-Patent\r
5d73d92f	6	\r
5d73d92f	7	**/\r
ba0014b9	8	\r
5d73d92f	9	\r
8a765da2	10	#include "UefiShellDebug1CommandsLib.h"\r
2b578de0	11	#include <Guid/SmBios.h>\r
5d73d92f	12	#include "LibSmbiosView.h"\r
a1d4bfcc	13	#include "SmbiosView.h"\r
5d73d92f	14	\r
5d73d92f	15	STATIC UINT8 mInit = 0;\r
ec8a502e EL	16	STATIC UINT8 m64Init = 0;\r
	17	STATIC SMBIOS_TABLE_ENTRY_POINT *mSmbiosTable = NULL;\r
	18	STATIC SMBIOS_TABLE_3_0_ENTRY_POINT *mSmbios64BitTable = NULL;\r
5d73d92f	19	STATIC SMBIOS_STRUCTURE_POINTER m_SmbiosStruct;\r
5d73d92f	20	STATIC SMBIOS_STRUCTURE_POINTER *mSmbiosStruct = &m_SmbiosStruct;\r
ec8a502e EL	21	STATIC SMBIOS_STRUCTURE_POINTER m_Smbios64BitStruct;\r
ec8a502e EL	22	STATIC SMBIOS_STRUCTURE_POINTER *mSmbios64BitStruct = &m_Smbios64BitStruct;\r
5d73d92f	23	\r
a1d4bfcc	24	/**\r
	25	Init the SMBIOS VIEW API's environment.\r
	26	\r
	27	@retval EFI_SUCCESS Successful to init the SMBIOS VIEW Lib.\r
	28	**/\r
5d73d92f	29	EFI_STATUS\r
	30	LibSmbiosInit (\r
	31	VOID\r
	32	)\r
5d73d92f	33	{\r
	34	EFI_STATUS Status;\r
	35	\r
	36	//\r
	37	// Init only once\r
	38	//\r
	39	if (mInit == 1) {\r
	40	return EFI_SUCCESS;\r
	41	}\r
	42	//\r
	43	// Get SMBIOS table from System Configure table\r
	44	//\r
	45	Status = GetSystemConfigurationTable (&gEfiSmbiosTableGuid, (VOID**)&mSmbiosTable);\r
	46	\r
	47	if (mSmbiosTable == NULL) {\r
5d73d92f	48	return EFI_NOT_FOUND;\r
	49	}\r
	50	\r
	51	if (EFI_ERROR (Status)) {\r
	52	ShellPrintHiiEx(-1,-1,NULL,STRING_TOKEN (STR_SMBIOSVIEW_LIBSMBIOSVIEW_GET_TABLE_ERROR), gShellDebug1HiiHandle, Status);\r
	53	return Status;\r
	54	}\r
	55	//\r
	56	// Init SMBIOS structure table address\r
	57	//\r
	58	mSmbiosStruct->Raw = (UINT8 *) (UINTN) (mSmbiosTable->TableAddress);\r
	59	\r
	60	mInit = 1;\r
	61	return EFI_SUCCESS;\r
	62	}\r
	63	\r
ec8a502e EL	64	/**\r
	65	Init the SMBIOS VIEW API's environment.\r
	66	\r
	67	@retval EFI_SUCCESS Successful to init the SMBIOS VIEW Lib.\r
	68	**/\r
	69	EFI_STATUS\r
	70	LibSmbios64BitInit (\r
	71	VOID\r
	72	)\r
	73	{\r
	74	EFI_STATUS Status;\r
	75	\r
	76	//\r
	77	// Init only once\r
	78	//\r
	79	if (m64Init == 1) {\r
	80	return EFI_SUCCESS;\r
	81	}\r
	82	//\r
	83	// Get SMBIOS table from System Configure table\r
	84	//\r
	85	Status = GetSystemConfigurationTable (&gEfiSmbios3TableGuid, (VOID**)&mSmbios64BitTable);\r
	86	\r
	87	if (mSmbios64BitTable == NULL) {\r
	88	return EFI_NOT_FOUND;\r
	89	}\r
	90	\r
	91	if (EFI_ERROR (Status)) {\r
	92	ShellPrintHiiEx(-1,-1,NULL,STRING_TOKEN (STR_SMBIOSVIEW_LIBSMBIOSVIEW_GET_TABLE_ERROR), gShellDebug1HiiHandle, Status);\r
	93	return Status;\r
	94	}\r
	95	//\r
	96	// Init SMBIOS structure table address\r
	97	//\r
	98	mSmbios64BitStruct->Raw = (UINT8 *) (UINTN) (mSmbios64BitTable->TableAddress);\r
	99	\r
	100	m64Init = 1;\r
	101	return EFI_SUCCESS;\r
	102	}\r
	103	\r
a1d4bfcc	104	/**\r
	105	Cleanup the Smbios information.\r
	106	**/\r
5d73d92f	107	VOID\r
	108	LibSmbiosCleanup (\r
	109	VOID\r
	110	)\r
	111	{\r
	112	//\r
	113	// Release resources\r
	114	//\r
	115	if (mSmbiosTable != NULL) {\r
	116	mSmbiosTable = NULL;\r
	117	}\r
	118	\r
	119	mInit = 0;\r
	120	}\r
	121	\r
ec8a502e EL	122	/**\r
	123	Cleanup the Smbios information.\r
	124	**/\r
	125	VOID\r
	126	LibSmbios64BitCleanup (\r
	127	VOID\r
	128	)\r
	129	{\r
	130	//\r
	131	// Release resources\r
	132	//\r
	133	if (mSmbios64BitTable != NULL) {\r
	134	mSmbios64BitTable = NULL;\r
	135	}\r
	136	\r
	137	m64Init = 0;\r
	138	}\r
	139	\r
a1d4bfcc	140	/**\r
	141	Get the entry point structure for the table.\r
	142	\r
	143	@param[out] EntryPointStructure The pointer to populate.\r
	144	**/\r
5d73d92f	145	VOID\r
5d73d92f	146	LibSmbiosGetEPS (\r
187cb3dd	147	OUT SMBIOS_TABLE_ENTRY_POINT **EntryPointStructure\r
5d73d92f	148	)\r
	149	{\r
	150	//\r
	151	// return SMBIOS Table address\r
	152	//\r
a1d4bfcc	153	*EntryPointStructure = mSmbiosTable;\r
5d73d92f	154	}\r
5d73d92f	155	\r
ec8a502e EL	156	/**\r
	157	Get the entry point structure for the table.\r
	158	\r
	159	@param[out] EntryPointStructure The pointer to populate.\r
	160	**/\r
	161	VOID\r
	162	LibSmbios64BitGetEPS (\r
	163	OUT SMBIOS_TABLE_3_0_ENTRY_POINT **EntryPointStructure\r
	164	)\r
	165	{\r
	166	//\r
	167	// return SMBIOS Table address\r
	168	//\r
	169	*EntryPointStructure = mSmbios64BitTable;\r
	170	}\r
	171	\r
a1d4bfcc	172	/**\r
187cb3dd SZ	173	Return SMBIOS string for the given string number.\r
	174	\r
	175	@param[in] Smbios Pointer to SMBIOS structure.\r
	176	@param[in] StringNumber String number to return. -1 is used to skip all strings and\r
	177	point to the next SMBIOS structure.\r
	178	\r
	179	@return Pointer to string, or pointer to next SMBIOS strcuture if StringNumber == -1\r
	180	**/\r
	181	CHAR8*\r
	182	LibGetSmbiosString (\r
	183	IN SMBIOS_STRUCTURE_POINTER *Smbios,\r
	184	IN UINT16 StringNumber\r
	185	)\r
	186	{\r
	187	UINT16 Index;\r
	188	CHAR8 *String;\r
	189	\r
	190	ASSERT (Smbios != NULL);\r
	191	\r
	192	//\r
	193	// Skip over formatted section\r
	194	//\r
	195	String = (CHAR8 *) (Smbios->Raw + Smbios->Hdr->Length);\r
	196	\r
	197	//\r
	198	// Look through unformated section\r
	199	//\r
	200	for (Index = 1; Index <= StringNumber; Index++) {\r
	201	if (StringNumber == Index) {\r
	202	return String;\r
	203	}\r
	204	//\r
	205	// Skip string\r
	206	//\r
	207	for (; *String != 0; String++);\r
	208	String++;\r
	209	\r
	210	if (*String == 0) {\r
	211	//\r
	212	// If double NULL then we are done.\r
	213	// Return pointer to next structure in Smbios.\r
	214	// if you pass in a -1 you will always get here\r
	215	//\r
	216	Smbios->Raw = (UINT8 *)++String;\r
	217	return NULL;\r
	218	}\r
	219	}\r
	220	\r
	221	return NULL;\r
	222	}\r
	223	\r
	224	/**\r
	225	Get SMBIOS structure for the given Handle,\r
a1d4bfcc	226	Handle is changed to the next handle or 0xFFFF when the end is\r
a1d4bfcc	227	reached or the handle is not found.\r
5d73d92f	228	\r
4ff7e37b ED	229	@param[in, out] Handle 0xFFFF: get the first structure\r
4ff7e37b ED	230	Others: get a structure according to this value.\r
187cb3dd SZ	231	@param[out] Buffer The pointer to the pointer to the structure.\r
187cb3dd SZ	232	@param[out] Length Length of the structure.\r
5d73d92f	233	\r
187cb3dd	234	@retval DMI_SUCCESS Handle is updated with next structure handle or\r
a1d4bfcc	235	0xFFFF(end-of-list).\r
5d73d92f	236	\r
187cb3dd	237	@retval DMI_INVALID_HANDLE Handle is updated with first structure handle or\r
a1d4bfcc	238	0xFFFF(end-of-list).\r
5d73d92f	239	**/\r
5d73d92f	240	EFI_STATUS\r
	241	LibGetSmbiosStructure (\r
	242	IN OUT UINT16 *Handle,\r
187cb3dd	243	OUT UINT8 **Buffer,\r
5d73d92f	244	OUT UINT16 *Length\r
5d73d92f	245	)\r
5d73d92f	246	{\r
	247	SMBIOS_STRUCTURE_POINTER Smbios;\r
	248	SMBIOS_STRUCTURE_POINTER SmbiosEnd;\r
	249	UINT8 *Raw;\r
	250	\r
187cb3dd	251	if (*Handle == INVALID_HANDLE) {\r
5d73d92f	252	*Handle = mSmbiosStruct->Hdr->Handle;\r
	253	return DMI_INVALID_HANDLE;\r
	254	}\r
	255	\r
187cb3dd SZ	256	if ((Buffer == NULL) \|\| (Length == NULL)) {\r
187cb3dd SZ	257	ShellPrintHiiEx(-1,-1,NULL,STRING_TOKEN (STR_SMBIOSVIEW_LIBSMBIOSVIEW_NO_BUFF_LEN_SPEC), gShellDebug1HiiHandle);\r
5d73d92f	258	return DMI_INVALID_HANDLE;\r
	259	}\r
	260	\r
	261	*Length = 0;\r
	262	Smbios.Hdr = mSmbiosStruct->Hdr;\r
	263	SmbiosEnd.Raw = Smbios.Raw + mSmbiosTable->TableLength;\r
	264	while (Smbios.Raw < SmbiosEnd.Raw) {\r
	265	if (Smbios.Hdr->Handle == *Handle) {\r
	266	Raw = Smbios.Raw;\r
	267	//\r
	268	// Walk to next structure\r
	269	//\r
	270	LibGetSmbiosString (&Smbios, (UINT16) (-1));\r
	271	//\r
	272	// Length = Next structure head - this structure head\r
	273	//\r
	274	*Length = (UINT16) (Smbios.Raw - Raw);\r
187cb3dd	275	*Buffer = Raw;\r
5d73d92f	276	//\r
	277	// update with the next structure handle.\r
	278	//\r
	279	if (Smbios.Raw < SmbiosEnd.Raw) {\r
	280	*Handle = Smbios.Hdr->Handle;\r
	281	} else {\r
187cb3dd	282	*Handle = INVALID_HANDLE;\r
5d73d92f	283	}\r
	284	return DMI_SUCCESS;\r
	285	}\r
	286	//\r
	287	// Walk to next structure\r
	288	//\r
	289	LibGetSmbiosString (&Smbios, (UINT16) (-1));\r
	290	}\r
	291	\r
187cb3dd	292	*Handle = INVALID_HANDLE;\r
5d73d92f	293	return DMI_INVALID_HANDLE;\r
	294	}\r
	295	\r
ec8a502e EL	296	/**\r
	297	Get SMBIOS structure for the given Handle,\r
	298	Handle is changed to the next handle or 0xFFFF when the end is\r
	299	reached or the handle is not found.\r
	300	\r
	301	@param[in, out] Handle 0xFFFF: get the first structure\r
	302	Others: get a structure according to this value.\r
	303	@param[out] Buffer The pointer to the pointer to the structure.\r
	304	@param[out] Length Length of the structure.\r
	305	\r
	306	@retval DMI_SUCCESS Handle is updated with next structure handle or\r
	307	0xFFFF(end-of-list).\r
	308	\r
	309	@retval DMI_INVALID_HANDLE Handle is updated with first structure handle or\r
	310	0xFFFF(end-of-list).\r
	311	**/\r
	312	EFI_STATUS\r
	313	LibGetSmbios64BitStructure (\r
	314	IN OUT UINT16 *Handle,\r
	315	OUT UINT8 **Buffer,\r
	316	OUT UINT16 *Length\r
	317	)\r
	318	{\r
	319	SMBIOS_STRUCTURE_POINTER Smbios;\r
	320	SMBIOS_STRUCTURE_POINTER SmbiosEnd;\r
	321	UINT8 *Raw;\r
	322	\r
	323	if (*Handle == INVALID_HANDLE) {\r
	324	*Handle = mSmbios64BitStruct->Hdr->Handle;\r
	325	return DMI_INVALID_HANDLE;\r
	326	}\r
	327	\r
	328	if ((Buffer == NULL) \|\| (Length == NULL)) {\r
	329	ShellPrintHiiEx(-1,-1,NULL,STRING_TOKEN (STR_SMBIOSVIEW_LIBSMBIOSVIEW_NO_BUFF_LEN_SPEC), gShellDebug1HiiHandle);\r
	330	return DMI_INVALID_HANDLE;\r
	331	}\r
	332	\r
	333	*Length = 0;\r
	334	Smbios.Hdr = mSmbios64BitStruct->Hdr;\r
	335	\r
	336	SmbiosEnd.Raw = Smbios.Raw + mSmbios64BitTableLength;\r
	337	while (Smbios.Raw < SmbiosEnd.Raw) {\r
	338	if (Smbios.Hdr->Handle == *Handle) {\r
	339	Raw = Smbios.Raw;\r
	340	//\r
	341	// Walk to next structure\r
	342	//\r
	343	LibGetSmbiosString (&Smbios, (UINT16) (-1));\r
	344	//\r
	345	// Length = Next structure head - this structure head\r
	346	//\r
	347	*Length = (UINT16) (Smbios.Raw - Raw);\r
	348	*Buffer = Raw;\r
	349	//\r
	350	// update with the next structure handle.\r
	351	//\r
	352	if (Smbios.Raw < SmbiosEnd.Raw) {\r
	353	*Handle = Smbios.Hdr->Handle;\r
	354	} else {\r
	355	*Handle = INVALID_HANDLE;\r
	356	}\r
	357	return DMI_SUCCESS;\r
	358	}\r
	359	//\r
360	// Walk to next structure\r
361	//\r
362	LibGetSmbiosString (&Smbios, (UINT16) (-1));\r
363	}\r
364	\r
365	*Handle = INVALID_HANDLE;\r
366	return DMI_INVALID_HANDLE;\r
88ff5ba7	367	}\r