diff options
Diffstat (limited to 'roms/edk2/ShellPkg/Library/UefiShellDebug1CommandsLib/SmbiosView/LibSmbiosView.c')
| -rw-r--r-- | roms/edk2/ShellPkg/Library/UefiShellDebug1CommandsLib/SmbiosView/LibSmbiosView.c | 367 |
1 files changed, 367 insertions, 0 deletions
diff --git a/roms/edk2/ShellPkg/Library/UefiShellDebug1CommandsLib/SmbiosView/LibSmbiosView.c b/roms/edk2/ShellPkg/Library/UefiShellDebug1CommandsLib/SmbiosView/LibSmbiosView.c new file mode 100644 index 000000000..dad9b3c1f --- /dev/null +++ b/roms/edk2/ShellPkg/Library/UefiShellDebug1CommandsLib/SmbiosView/LibSmbiosView.c @@ -0,0 +1,367 @@ +/** @file
+ API for SMBIOS table.
+
+ Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+
+#include "UefiShellDebug1CommandsLib.h"
+#include <Guid/SmBios.h>
+#include "LibSmbiosView.h"
+#include "SmbiosView.h"
+
+STATIC UINT8 mInit = 0;
+STATIC UINT8 m64Init = 0;
+STATIC SMBIOS_TABLE_ENTRY_POINT *mSmbiosTable = NULL;
+STATIC SMBIOS_TABLE_3_0_ENTRY_POINT *mSmbios64BitTable = NULL;
+STATIC SMBIOS_STRUCTURE_POINTER m_SmbiosStruct;
+STATIC SMBIOS_STRUCTURE_POINTER *mSmbiosStruct = &m_SmbiosStruct;
+STATIC SMBIOS_STRUCTURE_POINTER m_Smbios64BitStruct;
+STATIC SMBIOS_STRUCTURE_POINTER *mSmbios64BitStruct = &m_Smbios64BitStruct;
+
+/**
+ Init the SMBIOS VIEW API's environment.
+
+ @retval EFI_SUCCESS Successful to init the SMBIOS VIEW Lib.
+**/
+EFI_STATUS
+LibSmbiosInit (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+
+ //
+ // Init only once
+ //
+ if (mInit == 1) {
+ return EFI_SUCCESS;
+ }
+ //
+ // Get SMBIOS table from System Configure table
+ //
+ Status = GetSystemConfigurationTable (&gEfiSmbiosTableGuid, (VOID**)&mSmbiosTable);
+
+ if (mSmbiosTable == NULL) {
+ return EFI_NOT_FOUND;
+ }
+
+ if (EFI_ERROR (Status)) {
+ ShellPrintHiiEx(-1,-1,NULL,STRING_TOKEN (STR_SMBIOSVIEW_LIBSMBIOSVIEW_GET_TABLE_ERROR), gShellDebug1HiiHandle, Status);
+ return Status;
+ }
+ //
+ // Init SMBIOS structure table address
+ //
+ mSmbiosStruct->Raw = (UINT8 *) (UINTN) (mSmbiosTable->TableAddress);
+
+ mInit = 1;
+ return EFI_SUCCESS;
+}
+
+/**
+ Init the SMBIOS VIEW API's environment.
+
+ @retval EFI_SUCCESS Successful to init the SMBIOS VIEW Lib.
+**/
+EFI_STATUS
+LibSmbios64BitInit (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+
+ //
+ // Init only once
+ //
+ if (m64Init == 1) {
+ return EFI_SUCCESS;
+ }
+ //
+ // Get SMBIOS table from System Configure table
+ //
+ Status = GetSystemConfigurationTable (&gEfiSmbios3TableGuid, (VOID**)&mSmbios64BitTable);
+
+ if (mSmbios64BitTable == NULL) {
+ return EFI_NOT_FOUND;
+ }
+
+ if (EFI_ERROR (Status)) {
+ ShellPrintHiiEx(-1,-1,NULL,STRING_TOKEN (STR_SMBIOSVIEW_LIBSMBIOSVIEW_GET_TABLE_ERROR), gShellDebug1HiiHandle, Status);
+ return Status;
+ }
+ //
+ // Init SMBIOS structure table address
+ //
+ mSmbios64BitStruct->Raw = (UINT8 *) (UINTN) (mSmbios64BitTable->TableAddress);
+
+ m64Init = 1;
+ return EFI_SUCCESS;
+}
+
+/**
+ Cleanup the Smbios information.
+**/
+VOID
+LibSmbiosCleanup (
+ VOID
+ )
+{
+ //
+ // Release resources
+ //
+ if (mSmbiosTable != NULL) {
+ mSmbiosTable = NULL;
+ }
+
+ mInit = 0;
+}
+
+/**
+ Cleanup the Smbios information.
+**/
+VOID
+LibSmbios64BitCleanup (
+ VOID
+ )
+{
+ //
+ // Release resources
+ //
+ if (mSmbios64BitTable != NULL) {
+ mSmbios64BitTable = NULL;
+ }
+
+ m64Init = 0;
+}
+
+/**
+ Get the entry point structure for the table.
+
+ @param[out] EntryPointStructure The pointer to populate.
+**/
+VOID
+LibSmbiosGetEPS (
+ OUT SMBIOS_TABLE_ENTRY_POINT **EntryPointStructure
+ )
+{
+ //
+ // return SMBIOS Table address
+ //
+ *EntryPointStructure = mSmbiosTable;
+}
+
+/**
+ Get the entry point structure for the table.
+
+ @param[out] EntryPointStructure The pointer to populate.
+**/
+VOID
+LibSmbios64BitGetEPS (
+ OUT SMBIOS_TABLE_3_0_ENTRY_POINT **EntryPointStructure
+ )
+{
+ //
+ // return SMBIOS Table address
+ //
+ *EntryPointStructure = mSmbios64BitTable;
+}
+
+/**
+ Return SMBIOS string for the given string number.
+
+ @param[in] Smbios Pointer to SMBIOS structure.
+ @param[in] StringNumber String number to return. -1 is used to skip all strings and
+ point to the next SMBIOS structure.
+
+ @return Pointer to string, or pointer to next SMBIOS strcuture if StringNumber == -1
+**/
+CHAR8*
+LibGetSmbiosString (
+ IN SMBIOS_STRUCTURE_POINTER *Smbios,
+ IN UINT16 StringNumber
+ )
+{
+ UINT16 Index;
+ CHAR8 *String;
+
+ ASSERT (Smbios != NULL);
+
+ //
+ // Skip over formatted section
+ //
+ String = (CHAR8 *) (Smbios->Raw + Smbios->Hdr->Length);
+
+ //
+ // Look through unformated section
+ //
+ for (Index = 1; Index <= StringNumber; Index++) {
+ if (StringNumber == Index) {
+ return String;
+ }
+ //
+ // Skip string
+ //
+ for (; *String != 0; String++);
+ String++;
+
+ if (*String == 0) {
+ //
+ // If double NULL then we are done.
+ // Return pointer to next structure in Smbios.
+ // if you pass in a -1 you will always get here
+ //
+ Smbios->Raw = (UINT8 *)++String;
+ return NULL;
+ }
+ }
+
+ return NULL;
+}
+
+/**
+ Get SMBIOS structure for the given Handle,
+ Handle is changed to the next handle or 0xFFFF when the end is
+ reached or the handle is not found.
+
+ @param[in, out] Handle 0xFFFF: get the first structure
+ Others: get a structure according to this value.
+ @param[out] Buffer The pointer to the pointer to the structure.
+ @param[out] Length Length of the structure.
+
+ @retval DMI_SUCCESS Handle is updated with next structure handle or
+ 0xFFFF(end-of-list).
+
+ @retval DMI_INVALID_HANDLE Handle is updated with first structure handle or
+ 0xFFFF(end-of-list).
+**/
+EFI_STATUS
+LibGetSmbiosStructure (
+ IN OUT UINT16 *Handle,
+ OUT UINT8 **Buffer,
+ OUT UINT16 *Length
+ )
+{
+ SMBIOS_STRUCTURE_POINTER Smbios;
+ SMBIOS_STRUCTURE_POINTER SmbiosEnd;
+ UINT8 *Raw;
+
+ if (*Handle == INVALID_HANDLE) {
+ *Handle = mSmbiosStruct->Hdr->Handle;
+ return DMI_INVALID_HANDLE;
+ }
+
+ if ((Buffer == NULL) || (Length == NULL)) {
+ ShellPrintHiiEx(-1,-1,NULL,STRING_TOKEN (STR_SMBIOSVIEW_LIBSMBIOSVIEW_NO_BUFF_LEN_SPEC), gShellDebug1HiiHandle);
+ return DMI_INVALID_HANDLE;
+ }
+
+ *Length = 0;
+ Smbios.Hdr = mSmbiosStruct->Hdr;
+ SmbiosEnd.Raw = Smbios.Raw + mSmbiosTable->TableLength;
+ while (Smbios.Raw < SmbiosEnd.Raw) {
+ if (Smbios.Hdr->Handle == *Handle) {
+ Raw = Smbios.Raw;
+ //
+ // Walk to next structure
+ //
+ LibGetSmbiosString (&Smbios, (UINT16) (-1));
+ //
+ // Length = Next structure head - this structure head
+ //
+ *Length = (UINT16) (Smbios.Raw - Raw);
+ *Buffer = Raw;
+ //
+ // update with the next structure handle.
+ //
+ if (Smbios.Raw < SmbiosEnd.Raw) {
+ *Handle = Smbios.Hdr->Handle;
+ } else {
+ *Handle = INVALID_HANDLE;
+ }
+ return DMI_SUCCESS;
+ }
+ //
+ // Walk to next structure
+ //
+ LibGetSmbiosString (&Smbios, (UINT16) (-1));
+ }
+
+ *Handle = INVALID_HANDLE;
+ return DMI_INVALID_HANDLE;
+}
+
+/**
+ Get SMBIOS structure for the given Handle,
+ Handle is changed to the next handle or 0xFFFF when the end is
+ reached or the handle is not found.
+
+ @param[in, out] Handle 0xFFFF: get the first structure
+ Others: get a structure according to this value.
+ @param[out] Buffer The pointer to the pointer to the structure.
+ @param[out] Length Length of the structure.
+
+ @retval DMI_SUCCESS Handle is updated with next structure handle or
+ 0xFFFF(end-of-list).
+
+ @retval DMI_INVALID_HANDLE Handle is updated with first structure handle or
+ 0xFFFF(end-of-list).
+**/
+EFI_STATUS
+LibGetSmbios64BitStructure (
+ IN OUT UINT16 *Handle,
+ OUT UINT8 **Buffer,
+ OUT UINT16 *Length
+ )
+{
+ SMBIOS_STRUCTURE_POINTER Smbios;
+ SMBIOS_STRUCTURE_POINTER SmbiosEnd;
+ UINT8 *Raw;
+
+ if (*Handle == INVALID_HANDLE) {
+ *Handle = mSmbios64BitStruct->Hdr->Handle;
+ return DMI_INVALID_HANDLE;
+ }
+
+ if ((Buffer == NULL) || (Length == NULL)) {
+ ShellPrintHiiEx(-1,-1,NULL,STRING_TOKEN (STR_SMBIOSVIEW_LIBSMBIOSVIEW_NO_BUFF_LEN_SPEC), gShellDebug1HiiHandle);
+ return DMI_INVALID_HANDLE;
+ }
+
+ *Length = 0;
+ Smbios.Hdr = mSmbios64BitStruct->Hdr;
+
+ SmbiosEnd.Raw = Smbios.Raw + mSmbios64BitTableLength;
+ while (Smbios.Raw < SmbiosEnd.Raw) {
+ if (Smbios.Hdr->Handle == *Handle) {
+ Raw = Smbios.Raw;
+ //
+ // Walk to next structure
+ //
+ LibGetSmbiosString (&Smbios, (UINT16) (-1));
+ //
+ // Length = Next structure head - this structure head
+ //
+ *Length = (UINT16) (Smbios.Raw - Raw);
+ *Buffer = Raw;
+ //
+ // update with the next structure handle.
+ //
+ if (Smbios.Raw < SmbiosEnd.Raw) {
+ *Handle = Smbios.Hdr->Handle;
+ } else {
+ *Handle = INVALID_HANDLE;
+ }
+ return DMI_SUCCESS;
+ }
+ //
+ // Walk to next structure
+ //
+ LibGetSmbiosString (&Smbios, (UINT16) (-1));
+ }
+
+ *Handle = INVALID_HANDLE;
+ return DMI_INVALID_HANDLE;
+}
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