uefi/linaro-edk2/MdePkg/Include/Library/ExtendedSalLib.h

/** @file
  Library class definition of Extended SAL Library.

Copyright (c) 2007 - 2011, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution.  The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.

THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

**/

#ifndef _EXTENDED_SAL_LIB_H__
#define _EXTENDED_SAL_LIB_H__

#include <IndustryStandard/Sal.h>

/**
  Register ESAL Class and its associated global.
  
  This function Registers one or more Extended SAL services in a given
  class along with the associated global context.
  This function is only available prior to ExitBootServices().

  @param  ClassGuidLo          GUID of function class, lower 64-bits
  @param  ClassGuidHi          GUID of function class, upper 64-bits
  @param  ModuleGlobal         Module global for Function.
  @param  ...                  List of Function/FunctionId pairs, ended by NULL

  @retval EFI_SUCCESS          The Extended SAL services were registered.
  @retval EFI_UNSUPPORTED      This function was called after ExitBootServices().
  @retval EFI_OUT_OF_RESOURCES There are not enough resources available to register one or more of the specified services.
  @retval Other                ClassGuid could not be installed onto a new handle.  

**/
EFI_STATUS
EFIAPI
RegisterEsalClass (
  IN  CONST UINT64    ClassGuidLo,
  IN  CONST UINT64    ClassGuidHi,
  IN  VOID            *ModuleGlobal,  OPTIONAL
  ...
  );

/**
  Calls an Extended SAL Class service that was previously registered with RegisterEsalClass().
  
  This function calls an Extended SAL Class service that was previously registered with RegisterEsalClass().

  @param  ClassGuidLo    GUID of function, lower 64-bits
  @param  ClassGuidHi    GUID of function, upper 64-bits
  @param  FunctionId     Function in ClassGuid to call
  @param  Arg2           Argument 2 ClassGuid/FunctionId defined
  @param  Arg3           Argument 3 ClassGuid/FunctionId defined
  @param  Arg4           Argument 4 ClassGuid/FunctionId defined
  @param  Arg5           Argument 5 ClassGuid/FunctionId defined
  @param  Arg6           Argument 6 ClassGuid/FunctionId defined
  @param  Arg7           Argument 7 ClassGuid/FunctionId defined
  @param  Arg8           Argument 8 ClassGuid/FunctionId defined
  
  @retval EFI_SAL_ERROR  The address of ExtendedSalProc() can not be determined
                         for the current CPU execution mode.
  @retval Other          See the return status from ExtendedSalProc() in the
                         EXTENDED_SAL_BOOT_SERVICE_PROTOCOL.  

**/
SAL_RETURN_REGS
EFIAPI
EsalCall (
  IN UINT64  ClassGuidLo,
  IN UINT64  ClassGuidHi,
  IN UINT64  FunctionId,
  IN UINT64  Arg2,
  IN UINT64  Arg3,
  IN UINT64  Arg4,
  IN UINT64  Arg5,
  IN UINT64  Arg6,
  IN UINT64  Arg7,
  IN UINT64  Arg8
  );

/**
  Wrapper for the EsalStallFunctionId service of Extended SAL Stall Services Class.
  
  This function is a wrapper for the EsalStallFunctionId service of Extended SAL
  Stall Services Class. See EsalStallFunctionId of Extended SAL Specification.

  @param  Microseconds                  The number of microseconds to delay.

  @retval EFI_SAL_SUCCESS               Call completed without error.
  @retval EFI_SAL_INVALID_ARGUMENT      Invalid argument.
  @retval EFI_SAL_VIRTUAL_ADDRESS_ERROR Virtual address not registered

**/
SAL_RETURN_REGS
EFIAPI
EsalStall (
  IN UINTN  Microseconds
  );

/**
  Wrapper for the EsalSetNewPalEntryFunctionId service of Extended SAL PAL Services Services Class.
  
  This function is a wrapper for the EsalSetNewPalEntryFunctionId service of Extended SAL
  PAL Services Services Class. See EsalSetNewPalEntryFunctionId of Extended SAL Specification.

  @param  PhysicalAddress                If TRUE, then PalEntryPoint is a physical address.
                                         If FALSE, then PalEntryPoint is a virtual address.
  @param  PalEntryPoint                  The PAL Entry Point being set.

  @retval EFI_SAL_SUCCESS                The PAL Entry Point was set.
  @retval EFI_SAL_VIRTUAL_ADDRESS_ERROR  This function was called in virtual mode before
                                         virtual mappings for the specified Extended SAL
                                         Procedure are available.

**/
SAL_RETURN_REGS
EFIAPI
EsalSetNewPalEntry (
  IN BOOLEAN  PhysicalAddress,
  IN UINT64   PalEntryPoint
  );

/**
  Wrapper for the EsalGetNewPalEntryFunctionId service of Extended SAL PAL Services Services Class.
  
  This function is a wrapper for the EsalGetNewPalEntryFunctionId service of Extended SAL
  PAL Services Services Class. See EsalGetNewPalEntryFunctionId of Extended SAL Specification.

  @param  PhysicalAddress                If TRUE, then PalEntryPoint is a physical address.
                                         If FALSE, then PalEntryPoint is a virtual address.

  @retval EFI_SAL_SUCCESS                The PAL Entry Point was retrieved and returned in
                                         SAL_RETURN_REGS.r9.
  @retval EFI_SAL_VIRTUAL_ADDRESS_ERROR  This function was called in virtual mode before
                                         virtual mappings for the specified Extended SAL
                                         Procedure are available.
  @return r9                             PAL entry point retrieved.

**/
SAL_RETURN_REGS
EFIAPI
EsalGetNewPalEntry (
  IN BOOLEAN  PhysicalAddress
  );

/**
  Wrapper for the EsalGetStateBufferFunctionId service of Extended SAL MCA Log Services Class.
  
  This function is a wrapper for the EsalGetStateBufferFunctionId service of Extended SAL
  MCA Log Services Class. See EsalGetStateBufferFunctionId of Extended SAL Specification.

  @param  McaType               See type parameter of SAL Procedure SAL_GET_STATE_INFO.
  @param  McaBuffer             A pointer to the base address of the returned buffer.
                                Copied from SAL_RETURN_REGS.r9.
  @param  BufferSize            A pointer to the size, in bytes, of the returned buffer.
                                Copied from SAL_RETURN_REGS.r10.

  @retval EFI_SAL_SUCCESS       The memory buffer to store error records was returned in r9 and r10.
  @retval EFI_OUT_OF_RESOURCES  A memory buffer for string error records in not available
  @return r9                    Base address of the returned buffer
  @return r10                   Size of the returned buffer in bytes

**/
SAL_RETURN_REGS
EFIAPI
EsalGetStateBuffer (
  IN  UINT64  McaType,
  OUT UINT8   **McaBuffer,
  OUT UINTN   *BufferSize
  );

/**
  Wrapper for the EsalSaveStateBufferFunctionId service of Extended SAL MCA Log Services Class.
  
  This function is a wrapper for the EsalSaveStateBufferFunctionId service of Extended SAL
  MCA Log Services Class. See EsalSaveStateBufferFunctionId of Extended SAL Specification.

  @param  McaType      See type parameter of SAL Procedure SAL_GET_STATE_INFO.

  @retval EFI_SUCCESS  The memory buffer containing the error record was written to nonvolatile storage.

**/
SAL_RETURN_REGS
EFIAPI
EsalSaveStateBuffer (
  IN  UINT64  McaType
  );

/**
  Wrapper for the EsalGetVectorsFunctionId service of Extended SAL Base Services Class.
  
  This function is a wrapper for the EsalGetVectorsFunctionId service of Extended SAL
  Base Services Class. See EsalGetVectorsFunctionId of Extended SAL Specification.

  @param  VectorType               The vector type to retrieve.
                                   0 - MCA, 1 - BSP INIT, 2 - BOOT_RENDEZ, 3 - AP INIT.

  @retval EFI_SAL_SUCCESS          Call completed without error.
  @retval EFI_SAL_INVALID_ARGUMENT Invalid argument.
  @retval EFI_SAL_NO_INFORMATION   The requested vector has not been registered
                                   with the SAL Procedure SAL_SET_VECTORS.

**/
SAL_RETURN_REGS
EFIAPI
EsalGetVectors (
  IN  UINT64  VectorType
  );

/**
  Wrapper for the EsalMcGetParamsFunctionId service of Extended SAL Base Services Class.
  
  This function is a wrapper for the EsalMcGetParamsFunctionId service of Extended SAL
  Base Services Class. See EsalMcGetParamsFunctionId of Extended SAL Specification.

  @param  ParamInfoType            The parameter type to retrieve.
                                   1 - rendezvous interrupt
                                   2 - wake up
                                   3 - Corrected Platform Error Vector.

  @retval EFI_SAL_SUCCESS          Call completed without error.
  @retval EFI_SAL_INVALID_ARGUMENT Invalid argument.
  @retval EFI_SAL_NO_INFORMATION   The requested vector has not been registered
                                   with the SAL Procedure SAL_MC_SET_PARAMS.

**/
SAL_RETURN_REGS
EFIAPI
EsalMcGetParams (
  IN  UINT64  ParamInfoType
  );

/**
  Wrapper for the EsalMcGetParamsFunctionId service of Extended SAL Base Services Class.
  
  This function is a wrapper for the EsalMcGetParamsFunctionId service of Extended SAL
  Base Services Class. See EsalMcGetParamsFunctionId of Extended SAL Specification.

  @retval EFI_SAL_SUCCESS          Call completed without error.
  @retval EFI_SAL_NO_INFORMATION   The requested vector has not been registered
                                   with the SAL Procedure SAL_MC_SET_PARAMS.

**/
SAL_RETURN_REGS
EFIAPI
EsalMcGetMcParams (
  VOID
  );

/**
  Wrapper for the EsalGetMcCheckinFlagsFunctionId service of Extended SAL Base Services Class.
  
  This function is a wrapper for the EsalGetMcCheckinFlagsFunctionId service of Extended SAL
  Base Services Class. See EsalGetMcCheckinFlagsFunctionId of Extended SAL Specification.

  @param  CpuIndex         The index of the CPU of set of enabled CPUs to check.

  @retval EFI_SAL_SUCCESS  The checkin status of the requested CPU was returned.

**/
SAL_RETURN_REGS
EFIAPI
EsalGetMcCheckinFlags (
  IN  UINT64  CpuIndex
  );

/**
  Wrapper for the EsalAddCpuDataFunctionId service of Extended SAL MP Services Class.
  
  This function is a wrapper for the EsalAddCpuDataFunctionId service of Extended SAL
  MP Services Class. See EsalAddCpuDataFunctionId of Extended SAL Specification.

  @param  CpuGlobalId                 The Global ID for the CPU being added.
  @param  Enabled                     The enable flag for the CPU being added.
                                      TRUE means the CPU is enabled.
                                      FALSE means the CPU is disabled.
  @param  PalCompatibility            The PAL Compatibility value for the CPU being added.

  @retval EFI_SAL_SUCCESS             The CPU was added to the database.
  @retval EFI_SAL_NOT_ENOUGH_SCRATCH  There are not enough resource available to add the CPU.

**/
SAL_RETURN_REGS
EFIAPI
EsalAddCpuData (
  IN UINT64   CpuGlobalId,
  IN BOOLEAN  Enabled,
  IN UINT64   PalCompatibility
  );

/**
  Wrapper for the EsalRemoveCpuDataFunctionId service of Extended SAL MP Services Class.
  
  This function is a wrapper for the EsalRemoveCpuDataFunctionId service of Extended SAL
  MP Services Class. See EsalRemoveCpuDataFunctionId of Extended SAL Specification.

  @param  CpuGlobalId             The Global ID for the CPU being removed.

  @retval EFI_SAL_SUCCESS         The CPU was removed from the database.
  @retval EFI_SAL_NO_INFORMATION  The specified CPU is not in the database.

**/
SAL_RETURN_REGS
EFIAPI
EsalRemoveCpuData (
  IN UINT64  CpuGlobalId
  );

/**
  Wrapper for the EsalModifyCpuDataFunctionId service of Extended SAL MP Services Class.
  
  This function is a wrapper for the EsalModifyCpuDataFunctionId service of Extended SAL
  MP Services Class. See EsalModifyCpuDataFunctionId of Extended SAL Specification.

  @param  CpuGlobalId             The Global ID for the CPU being modified.
  @param  Enabled                 The enable flag for the CPU being modified.
                                  TRUE means the CPU is enabled.
                                  FALSE means the CPU is disabled.
  @param  PalCompatibility        The PAL Compatibility value for the CPU being modified.

  @retval EFI_SAL_SUCCESS         The CPU database was updated.
  @retval EFI_SAL_NO_INFORMATION  The specified CPU is not in the database.

**/
SAL_RETURN_REGS
EFIAPI
EsalModifyCpuData (
  IN UINT64   CpuGlobalId,
  IN BOOLEAN  Enabled,
  IN UINT64   PalCompatibility
  );

/**
  Wrapper for the EsalGetCpuDataByIdFunctionId service of Extended SAL MP Services Class.
  
  This function is a wrapper for the EsalGetCpuDataByIdFunctionId service of Extended SAL
  MP Services Class. See EsalGetCpuDataByIdFunctionId of Extended SAL Specification.

  @param  CpuGlobalId             The Global ID for the CPU being looked up.
  @param  IndexByEnabledCpu       If TRUE, then the index of set of enabled CPUs of database is returned.
                                  If FALSE, then the index of set of all CPUs of database is returned.

  @retval EFI_SAL_SUCCESS         The information on the specified CPU was returned.
  @retval EFI_SAL_NO_INFORMATION  The specified CPU is not in the database.

**/
SAL_RETURN_REGS
EFIAPI
EsalGetCpuDataById (
  IN UINT64   CpuGlobalId,
  IN BOOLEAN  IndexByEnabledCpu
  );

/**
  Wrapper for the EsalGetCpuDataByIndexFunctionId service of Extended SAL MP Services Class.
  
  This function is a wrapper for the EsalGetCpuDataByIndexFunctionId service of Extended SAL
  MP Services Class. See EsalGetCpuDataByIndexFunctionId of Extended SAL Specification.

  @param  Index                   The Global ID for the CPU being modified.
  @param  IndexByEnabledCpu       If TRUE, then the index of set of enabled CPUs of database is returned.
                                  If FALSE, then the index of set of all CPUs of database is returned.

  @retval EFI_SAL_SUCCESS         The information on the specified CPU was returned.
  @retval EFI_SAL_NO_INFORMATION  The specified CPU is not in the database.

**/
SAL_RETURN_REGS
EFIAPI
EsalGetCpuDataByIndex (
  IN UINT64   Index,
  IN BOOLEAN  IndexByEnabledCpu
  );

/**
  Wrapper for the EsalWhoAmIFunctionId service of Extended SAL MP Services Class.
  
  This function is a wrapper for the EsalWhoAmIFunctionId service of Extended SAL
  MP Services Class. See EsalWhoAmIFunctionId of Extended SAL Specification.

  @param  IndexByEnabledCpu       If TRUE, then the index of set of enabled CPUs of database is returned.
                                  If FALSE, then the index of set of all CPUs of database is returned.

  @retval EFI_SAL_SUCCESS         The Global ID for the calling CPU was returned.
  @retval EFI_SAL_NO_INFORMATION  The calling CPU is not in the database.

**/
SAL_RETURN_REGS
EFIAPI
EsalWhoAmI (
  IN BOOLEAN  IndexByEnabledCpu
  );

/**
  Wrapper for the EsalNumProcessors service of Extended SAL MP Services Class.
  
  This function is a wrapper for the EsalNumProcessors service of Extended SAL
  MP Services Class. See EsalNumProcessors of Extended SAL Specification.

  @retval EFI_SAL_SUCCESS    The information on the number of CPUs in the platform
                             was returned.

**/
SAL_RETURN_REGS
EFIAPI
EsalNumProcessors (
  VOID
  );

/**
  Wrapper for the EsalSetMinStateFnctionId service of Extended SAL MP Services Class.
  
  This function is a wrapper for the EsalSetMinStateFnctionId service of Extended SAL
  MP Services Class. See EsalSetMinStateFnctionId of Extended SAL Specification.

  @param  CpuGlobalId              The Global ID for the CPU whose MINSTATE pointer is being set.
  @param  MinStatePointer          The physical address of the MINSTATE buffer for the CPU
                                   specified by CpuGlobalId.

  @retval EFI_SAL_SUCCESS          The MINSTATE pointer was set for the specified CPU.
  @retval EFI_SAL_NO_INFORMATION   The specified CPU is not in the database.

**/
SAL_RETURN_REGS
EFIAPI
EsalSetMinState (
  IN UINT64                CpuGlobalId,
  IN EFI_PHYSICAL_ADDRESS  MinStatePointer
  );

/**
  Wrapper for the EsalGetMinStateFunctionId service of Extended SAL MP Services Class.
  
  This function is a wrapper for the EsalGetMinStateFunctionId service of Extended SAL
  MP Services Class. See EsalGetMinStateFunctionId of Extended SAL Specification.

  @param  CpuGlobalId            The Global ID for the CPU whose MINSTATE pointer is being retrieved.

  @retval EFI_SAL_SUCCESS        The MINSTATE pointer for the specified CPU was retrieved.
  @retval EFI_SAL_NO_INFORMATION The specified CPU is not in the database.

**/
SAL_RETURN_REGS
EFIAPI
EsalGetMinState (
  IN UINT64  CpuGlobalId
  );

/**
  Wrapper for the EsalMcsGetStateInfoFunctionId service of Extended SAL MCA Services Class.
  
  This function is a wrapper for the EsalMcsGetStateInfoFunctionId service of Extended SAL
  MCA Services Class. See EsalMcsGetStateInfoFunctionId of Extended SAL Specification.

  @param  CpuGlobalId               The Global ID for the CPU whose MCA state buffer is being retrieved.
  @param  StateBufferPointer        A pointer to the returned MCA state buffer.
  @param  RequiredStateBufferSize   A pointer to the size, in bytes, of the returned MCA state buffer.

  @retval EFI_SUCCESS               MINSTATE successfully got and size calculated.
  @retval EFI_SAL_NO_INFORMATION    Fail to get MINSTATE.

**/
SAL_RETURN_REGS
EFIAPI
EsalMcaGetStateInfo (
  IN  UINT64                CpuGlobalId,
  OUT EFI_PHYSICAL_ADDRESS  *StateBufferPointer,
  OUT UINT64                *RequiredStateBufferSize
  );

/**
  Wrapper for the EsalMcaRegisterCpuFunctionId service of Extended SAL MCA Services Class.
  
  This function is a wrapper for the EsalMcaRegisterCpuFunctionId service of Extended SAL
  MCA Services Class. See EsalMcaRegisterCpuFunctionId of Extended SAL Specification.

  @param  CpuGlobalId              The Global ID for the CPU whose MCA state buffer is being set.
  @param  StateBufferPointer       A pointer to the MCA state buffer.

  @retval EFI_SAL_NO_INFORMATION   Cannot get the processor info with the CpuId
  @retval EFI_SUCCESS              Save the processor's state info successfully

**/
SAL_RETURN_REGS
EFIAPI
EsalMcaRegisterCpu (
  IN UINT64                CpuGlobalId,
  IN EFI_PHYSICAL_ADDRESS  StateBufferPointer
  );

#endif