[PATCH v6 12/22] ArmPkg: Add Library/OemMiscLib.h

["Rebecca Cran" <rebecca@nuviainc.com>]

OemMiscLib.h provides the interface which platforms should implement to
interact with the SmbiosMiscDxe and ProcessorSubClassDxe drivers to
update SMBIOS tables.

Signed-off-by: Rebecca Cran <rebecca@nuviainc.com>
---
 ArmPkg/Include/Library/OemMiscLib.h | 166 ++++++++++++++++++++
 1 file changed, 166 insertions(+)

diff --git a/ArmPkg/Include/Library/OemMiscLib.h b/ArmPkg/Include/Library/OemMiscLib.h
new file mode 100644
index 000000000000..a14eb36a60e3
--- /dev/null
+++ b/ArmPkg/Include/Library/OemMiscLib.h
@@ -0,0 +1,166 @@
+/** @file
+*
+*  Copyright (c) 2021, NUVIA Inc. All rights reserved.
+*  Copyright (c) 2015, Hisilicon Limited. All rights reserved.
+*  Copyright (c) 2015, Linaro Limited. All rights reserved.
+*
+*  SPDX-License-Identifier: BSD-2-Clause-Patent
+*
+**/
+
+
+#ifndef OEM_MISC_LIB_H_
+#define OEM_MISC_LIB_H_
+
+#include <Uefi.h>
+#include <IndustryStandard/SmBios.h>
+
+typedef enum
+{
+  CpuCacheL1 = 0,
+  CpuCacheL2,
+  CpuCacheL3,
+  CpuCacheL4,
+  CpuCacheL5,
+  CpuCacheL6,
+  CpuCacheL7,
+  CpuCacheLevelMax
+} OEM_MISC_CPU_CACHE_LEVEL;
+
+typedef struct
+{
+  UINT8 Voltage;        ///< Processor voltage
+  UINT16 CurrentSpeed;  ///< Current clock speed in MHz
+  UINT16 MaxSpeed;      ///< Maximum clock speed in MHz
+  UINT16 ExternalClock; ///< External clock speed in MHz
+  UINT16 CoreCount;     ///< Number of cores available
+  UINT16 CoresEnabled;  ///< Number of cores enabled
+  UINT16 ThreadCount;   ///< Number of threads per processor
+} OEM_MISC_PROCESSOR_DATA;
+
+typedef enum
+{
+    ProductNameType01,
+    SerialNumType01,
+    UuidType01,
+    SystemManufacturerType01,
+    SkuNumberType01,
+    FamilyType01,
+    AssertTagType02,
+    SerialNumberType02,
+    BoardManufacturerType02,
+    SkuNumberType02,
+    ChassisLocationType02,
+    AssetTagType03,
+    SerialNumberType03,
+    VersionType03,
+    ChassisTypeType03,
+    ManufacturerType03,
+    SkuNumberType03,
+    SmbiosHiiStringFieldMax
+} OEM_MISC_SMBIOS_HII_STRING_FIELD;
+
+/*
+ * The following are functions that the each platform needs to
+ * implement in its OemMiscLib library.
+ */
+
+/** Gets the CPU frequency of the specified processor.
+
+  @param ProcessorIndex Index of the processor to get the frequency for.
+
+  @return               CPU frequency in Hz
+**/
+EFIAPI
+UINTN
+OemGetCpuFreq (
+  IN UINT8 ProcessorIndex
+  );
+
+/** Gets information about the specified processor and stores it in
+    the structures provided.
+
+  @param ProcessorIndex  Index of the processor to get the information for.
+  @param ProcessorStatus Processor status.
+  @param ProcessorCharacteristics Processor characteritics.
+  @param MiscProcessorData        Miscellaneous processor information.
+
+  @return  TRUE on success, FALSE on failure.
+**/
+EFIAPI
+BOOLEAN
+OemGetProcessorInformation (
+  IN UINTN ProcessorIndex,
+  IN OUT PROCESSOR_STATUS_DATA *ProcessorStatus,
+  IN OUT PROCESSOR_CHARACTERISTIC_FLAGS *ProcessorCharacteristics,
+  IN OUT OEM_MISC_PROCESSOR_DATA *MiscProcessorData
+  );
+
+/** Gets information about the cache at the specified cache level.
+
+  @param ProcessorIndex The processor to get information for.
+  @param CacheLevel     The cache level to get information for.
+  @param InstructionOrUnifiedCache Whether the cache is instruction or
+                                   unified, not data.
+  @param SmbiosCacheTable The SMBIOS Type7 cache information structure.
+
+  @return TRUE on success, FALSE on failure.
+**/
+EFIAPI
+BOOLEAN
+OemGetCacheInformation (
+  IN UINT8   ProcessorIndex,
+  IN UINT8   CacheLevel,
+  IN BOOLEAN InstructionOrUnifiedCache,
+  IN OUT SMBIOS_TABLE_TYPE7 *SmbiosCacheTable
+  );
+
+/** Gets the maximum number of sockets supported by the platform.
+
+  @return The maximum number of sockets.
+**/
+EFIAPI
+UINT8
+OemGetProcessorMaxSockets (
+  VOID
+  );
+
+/** Gets the type of chassis for the system.
+
+  @param ChassisType The type of the chassis.
+
+  @retval EFI_SUCCESS The chassis type was fetched successfully.
+**/
+EFIAPI
+EFI_STATUS
+OemGetChassisType (
+  OUT UINT8 *ChassisType
+  );
+
+/** Returns whether the specified processor is present or not.
+
+  @param ProcessIndex The processor index to check.
+
+  @return TRUE is the processor is present, FALSE otherwise.
+**/
+EFIAPI
+BOOLEAN
+OemIsSocketPresent (
+  IN UINTN ProcessorIndex
+  );
+
+/** Updates the HII string for the specified field.
+
+  @param mHiiHandle    The HII handle.
+  @param TokenToUpdate The string to update.
+  @param Offset        The field to get information about.
+**/
+EFIAPI
+VOID
+OemUpdateSmbiosInfo (
+  IN EFI_HII_HANDLE    HiiHandle,
+  IN EFI_STRING_ID     TokenToUpdate,
+  IN OEM_MISC_SMBIOS_HII_STRING_FIELD Offset
+  );
+
+#endif // OEM_MISC_LIB_H_
-- 
2.26.2