diff options
Diffstat (limited to 'ArmPkg/Universal/Smbios/SmbiosMiscDxe/SmbiosMiscEntryPoint.c')
| -rw-r--r-- | ArmPkg/Universal/Smbios/SmbiosMiscDxe/SmbiosMiscEntryPoint.c | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/ArmPkg/Universal/Smbios/SmbiosMiscDxe/SmbiosMiscEntryPoint.c b/ArmPkg/Universal/Smbios/SmbiosMiscDxe/SmbiosMiscEntryPoint.c new file mode 100644 index 0000000..eb7f4cb --- /dev/null +++ b/ArmPkg/Universal/Smbios/SmbiosMiscDxe/SmbiosMiscEntryPoint.c @@ -0,0 +1,223 @@ +/** @file
+ This driver parses the mSmbiosMiscDataTable structure and reports
+ any generated data using SMBIOS protocol.
+
+ Based on files under Nt32Pkg/MiscSubClassPlatformDxe/
+
+ Copyright (c) 2021, NUVIA Inc. All rights reserved.<BR>
+ Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2015, Hisilicon Limited. All rights reserved.<BR>
+ Copyright (c) 2015, Linaro Limited. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+#include <Library/HiiLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+
+#include "SmbiosMisc.h"
+
+
+STATIC EFI_HANDLE mSmbiosMiscImageHandle;
+STATIC EFI_SMBIOS_PROTOCOL *mSmbiosMiscSmbios = NULL;
+
+EFI_HII_HANDLE mSmbiosMiscHiiHandle;
+
+/**
+ Standard EFI driver point. This driver parses the mSmbiosMiscDataTable
+ structure and reports any generated data using SMBIOS protocol.
+
+ @param ImageHandle Handle for the image of this driver
+ @param SystemTable Pointer to the EFI System Table
+
+ @retval EFI_SUCCESS The data was successfully stored.
+
+**/
+EFI_STATUS
+EFIAPI
+SmbiosMiscEntryPoint(
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ UINTN Index;
+ EFI_STATUS EfiStatus;
+
+ mSmbiosMiscImageHandle = ImageHandle;
+
+ EfiStatus = gBS->LocateProtocol (&gEfiSmbiosProtocolGuid, NULL,
+ (VOID**)&mSmbiosMiscSmbios);
+ if (EFI_ERROR (EfiStatus)) {
+ DEBUG ((DEBUG_ERROR, "Could not locate SMBIOS protocol. %r\n", EfiStatus));
+ return EfiStatus;
+ }
+
+ mSmbiosMiscHiiHandle = HiiAddPackages (&gEfiCallerIdGuid,
+ mSmbiosMiscImageHandle,
+ SmbiosMiscDxeStrings,
+ NULL
+ );
+ if (mSmbiosMiscHiiHandle == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ for (Index = 0; Index < mSmbiosMiscDataTableEntries; ++Index) {
+ //
+ // If the entry have a function pointer, just log the data.
+ //
+ if (mSmbiosMiscDataTable[Index].Function != NULL) {
+ EfiStatus = (*mSmbiosMiscDataTable[Index].Function)(mSmbiosMiscDataTable[Index].RecordData,
+ mSmbiosMiscSmbios
+ );
+
+ if (EFI_ERROR(EfiStatus)) {
+ DEBUG ((DEBUG_ERROR, "Misc smbios store error. Index=%d,"
+ "ReturnStatus=%r\n", Index, EfiStatus));
+ return EfiStatus;
+ }
+ }
+ }
+
+ return EfiStatus;
+}
+
+
+/**
+ Adds an SMBIOS record.
+
+ @param Buffer The data for the SMBIOS record.
+ The format of the record is determined by
+ EFI_SMBIOS_TABLE_HEADER.Type. The size of the
+ formatted area is defined by EFI_SMBIOS_TABLE_HEADER.Length
+ and either followed by a double-null (0x0000) or a set
+ of null terminated strings and a null.
+ @param SmbiosHandle A unique handle will be assigned to the SMBIOS record
+ if not NULL.
+
+ @retval EFI_SUCCESS Record was added.
+ @retval EFI_OUT_OF_RESOURCES Record was not added due to lack of system resources.
+ @retval EFI_ALREADY_STARTED The SmbiosHandle passed in was already in use.
+
+**/
+EFI_STATUS
+SmbiosMiscAddRecord (
+ IN UINT8 *Buffer,
+ IN OUT EFI_SMBIOS_HANDLE *SmbiosHandle OPTIONAL
+ )
+{
+ EFI_STATUS Status;
+ EFI_SMBIOS_HANDLE Handle;
+
+ Handle = SMBIOS_HANDLE_PI_RESERVED;
+
+ if (SmbiosHandle != NULL) {
+ Handle = *SmbiosHandle;
+ }
+
+ Status = mSmbiosMiscSmbios->Add (
+ mSmbiosMiscSmbios,
+ NULL,
+ &Handle,
+ (EFI_SMBIOS_TABLE_HEADER *)Buffer
+ );
+
+ if (SmbiosHandle != NULL) {
+ *SmbiosHandle = Handle;
+ }
+
+ return Status;
+}
+
+
+/** Fetches the number of handles of the specified SMBIOS type.
+ *
+ * @param SmbiosType The type of SMBIOS record to look for.
+ *
+ * @return The number of handles
+ *
+**/
+STATIC
+UINTN
+GetHandleCount (
+ IN UINT8 SmbiosType
+ )
+{
+ UINTN HandleCount;
+ EFI_STATUS Status;
+ EFI_SMBIOS_HANDLE SmbiosHandle;
+ EFI_SMBIOS_TABLE_HEADER *Record;
+
+ HandleCount = 0;
+
+ // Iterate through entries to get the number
+ do {
+ Status = mSmbiosMiscSmbios->GetNext (mSmbiosMiscSmbios,
+ &SmbiosHandle,
+ &SmbiosType,
+ &Record,
+ NULL
+ );
+
+ if (Status == EFI_SUCCESS) {
+ HandleCount++;
+ }
+ } while (!EFI_ERROR (Status));
+
+ return HandleCount;
+}
+
+/**
+ Fetches a list of the specified SMBIOS table types.
+
+ @param[in] SmbiosType The type of table to fetch
+ @param[out] **HandleArray The array of handles
+ @param[out] *HandleCount Number of handles in the array
+**/
+VOID
+SmbiosMiscGetLinkTypeHandle(
+ IN UINT8 SmbiosType,
+ OUT SMBIOS_HANDLE **HandleArray,
+ OUT UINTN *HandleCount
+ )
+{
+ UINTN Index;
+ EFI_STATUS Status;
+ EFI_SMBIOS_HANDLE SmbiosHandle;
+ EFI_SMBIOS_TABLE_HEADER *Record;
+
+ if (mSmbiosMiscSmbios == NULL) {
+ return;
+ }
+
+ SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
+ *HandleCount = GetHandleCount (SmbiosType);
+
+ *HandleArray = AllocateZeroPool (sizeof (SMBIOS_HANDLE) * (*HandleCount));
+ if (*HandleArray == NULL) {
+ DEBUG ((DEBUG_ERROR, "HandleArray allocate memory resource failed.\n"));
+ *HandleCount = 0;
+ return;
+ }
+
+ SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
+
+ for (Index = 0; Index < (*HandleCount); Index++) {
+ Status = mSmbiosMiscSmbios->GetNext (mSmbiosMiscSmbios,
+ &SmbiosHandle,
+ &SmbiosType,
+ &Record,
+ NULL
+ );
+
+ if (!EFI_ERROR (Status)) {
+ (*HandleArray)[Index] = Record->Handle;
+ } else {
+ break;
+ }
+ }
+}
+
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