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/** @file
Definition of Extended SAL Boot Service Protocol
The Extended SAL Boot Service Protocol provides a mechanisms for platform specific
drivers to update the SAL System Table and register Extended SAL Procedures that are
callable in physical or virtual mode using the SAL calling convention.
Copyright (c) 2009 - 2010, 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_BOOT_SERVICE_PROTOCOL_H_
#define _EXTENDED_SAL_BOOT_SERVICE_PROTOCOL_H_
#include <IndustryStandard/Sal.h>
#define EXTENDED_SAL_BOOT_SERVICE_PROTOCOL_GUID \
{ 0xde0ee9a4, 0x3c7a, 0x44f2, {0xb7, 0x8b, 0xe3, 0xcc, 0xd6, 0x9c, 0x3a, 0xf7 } }
typedef struct _EXTENDED_SAL_BOOT_SERVICE_PROTOCOL EXTENDED_SAL_BOOT_SERVICE_PROTOCOL;
/**
Adds platform specific information to the to the header of the SAL System Table.
@param This A pointer to the EXTENDED_SAL_BOOT_SERVICE_PROTOCOL instance.
@param SalAVersion Version of recovery SAL PEIM(s) in BCD format. Higher byte contains
the major revision and the lower byte contains the minor revision.
@param SalBVersion Version of DXE SAL Driver in BCD format. Higher byte contains
the major revision and the lower byte contains the minor revision.
@param OemId A pointer to a Null-terminated ASCII string that contains OEM unique string.
The string cannot be longer than 32 bytes in total length
@param ProductId A pointer to a Null-terminated ASCII string that uniquely identifies a family of
compatible products. The string cannot be longer than 32 bytes in total length.
@retval EFI_SUCCESS The SAL System Table header was updated successfully.
@retval EFI_INVALID_PARAMETER OemId is NULL.
@retval EFI_INVALID_PARAMETER ProductId is NULL.
@retval EFI_INVALID_PARAMETER The length of OemId is greater than 32 characters.
@retval EFI_INVALID_PARAMETER The length of ProductId is greater than 32 characters.
**/
typedef
EFI_STATUS
(EFIAPI *EXTENDED_SAL_ADD_SST_INFO)(
IN EXTENDED_SAL_BOOT_SERVICE_PROTOCOL *This,
IN UINT16 SalAVersion,
IN UINT16 SalBVersion,
IN CHAR8 *OemId,
IN CHAR8 *ProductId
);
/**
Adds an entry to the SAL System Table.
This function adds the SAL System Table Entry specified by TableEntry and EntrySize
to the SAL System Table.
@param This A pointer to the EXTENDED_SAL_BOOT_SERVICE_PROTOCOL instance.
@param TableEntry Pointer to a buffer containing a SAL System Table entry that is EntrySize bytes
in length. The first byte of the TableEntry describes the type of entry.
@param EntrySize The size, in bytes, of TableEntry.
@retval EFI_SUCCESSThe SAL System Table was updated successfully.
@retval EFI_INVALID_PARAMETER TableEntry is NULL.
@retval EFI_INVALID_PARAMETER TableEntry specifies an invalid entry type.
@retval EFI_INVALID_PARAMETER EntrySize is not valid for this type of entry.
**/
typedef
EFI_STATUS
(EFIAPI *EXTENDED_SAL_ADD_SST_ENTRY)(
IN EXTENDED_SAL_BOOT_SERVICE_PROTOCOL *This,
IN UINT8 *TableEntry,
IN UINTN EntrySize
);
/**
Internal ESAL procedures.
This is prototype of internal Extended SAL procedures, which is registerd by
EXTENDED_SAL_REGISTER_INTERNAL_PROC service.
@param FunctionId The Function ID associated with this Extended SAL Procedure.
@param Arg2 Second argument to the Extended SAL procedure.
@param Arg3 Third argument to the Extended SAL procedure.
@param Arg4 Fourth argument to the Extended SAL procedure.
@param Arg5 Fifth argument to the Extended SAL procedure.
@param Arg6 Sixth argument to the Extended SAL procedure.
@param Arg7 Seventh argument to the Extended SAL procedure.
@param Arg8 Eighth argument to the Extended SAL procedure.
@param VirtualMode TRUE if the Extended SAL Procedure is being invoked in virtual mode.
FALSE if the Extended SAL Procedure is being invoked in physical mode.
@param ModuleGlobal A pointer to the global context associated with this Extended SAL Procedure.
@return The result returned from the specified Extended SAL Procedure
**/
typedef
SAL_RETURN_REGS
(EFIAPI *SAL_INTERNAL_EXTENDED_SAL_PROC)(
IN UINT64 FunctionId,
IN UINT64 Arg2,
IN UINT64 Arg3,
IN UINT64 Arg4,
IN UINT64 Arg5,
IN UINT64 Arg6,
IN UINT64 Arg7,
IN UINT64 Arg8,
IN BOOLEAN VirtualMode,
IN VOID *ModuleGlobal OPTIONAL
);
/**
Registers an Extended SAL Procedure.
The Extended SAL Procedure specified by InternalSalProc and named by ClassGuidLo,
ClassGuidHi, and FunctionId is added to the set of available Extended SAL Procedures.
@param This A pointer to the EXTENDED_SAL_BOOT_SERVICE_PROTOCOL instance.
@param ClassGuidLo The lower 64-bits of the class GUID for the Extended SAL Procedure being added.
Each class GUID contains one or more functions specified by a Function ID.
@param ClassGuidHi The upper 64-bits of the class GUID for the Extended SAL Procedure being added.
Each class GUID contains one or more functions specified by a Function ID.
@param FunctionId The Function ID for the Extended SAL Procedure that is being added. This Function
ID is a member of the Extended SAL Procedure class specified by ClassGuidLo
and ClassGuidHi.
@param InternalSalProc A pointer to the Extended SAL Procedure being added.
@param PhysicalModuleGlobal Pointer to a module global structure. This is a physical mode pointer.
This pointer is passed to the Extended SAL Procedure specified by ClassGuidLo,
ClassGuidHi, FunctionId, and InternalSalProc. If the system is in physical mode,
then this pointer is passed unmodified to InternalSalProc. If the system is in
virtual mode, then the virtual address associated with this pointer is passed to
InternalSalProc.
@retval EFI_SUCCESS The Extended SAL Procedure was added.
@retval EFI_OUT_OF_RESOURCES There are not enough resources available to add the Extended SAL Procedure.
**/
typedef
EFI_STATUS
(EFIAPI *EXTENDED_SAL_REGISTER_INTERNAL_PROC)(
IN EXTENDED_SAL_BOOT_SERVICE_PROTOCOL *This,
IN UINT64 ClassGuidLo,
IN UINT64 ClassGuidHi,
IN UINT64 FunctionId,
IN SAL_INTERNAL_EXTENDED_SAL_PROC InternalSalProc,
IN VOID *PhysicalModuleGlobal OPTIONAL
);
/**
Calls a previously registered Extended SAL Procedure.
This function calls the Extended SAL Procedure specified by ClassGuidLo, ClassGuidHi,
and FunctionId. The set of previously registered Extended SAL Procedures is searched for a
matching ClassGuidLo, ClassGuidHi, and FunctionId. If a match is not found, then
EFI_SAL_NOT_IMPLEMENTED is returned.
@param ClassGuidLo The lower 64-bits of the class GUID for the Extended SAL Procedure
that is being called.
@param ClassGuidHi The upper 64-bits of the class GUID for the Extended SAL Procedure
that is being called.
@param FunctionId Function ID for the Extended SAL Procedure being called.
@param Arg2 Second argument to the Extended SAL procedure.
@param Arg3 Third argument to the Extended SAL procedure.
@param Arg4 Fourth argument to the Extended SAL procedure.
@param Arg5 Fifth argument to the Extended SAL procedure.
@param Arg6 Sixth argument to the Extended SAL procedure.
@param Arg7 Seventh argument to the Extended SAL procedure.
@param Arg8 Eighth argument to the Extended SAL procedure.
@retval EFI_SAL_NOT_IMPLEMENTED The Extended SAL Procedure specified by ClassGuidLo,
ClassGuidHi, and FunctionId has not been registered.
@retval EFI_SAL_VIRTUAL_ADDRESS_ERROR This function was called in virtual mode before virtual mappings
for the specified Extended SAL Procedure are available.
@retval Other The result returned from the specified Extended SAL Procedure
**/
typedef
SAL_RETURN_REGS
(EFIAPI *EXTENDED_SAL_PROC)(
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
);
///
/// The EXTENDED_SAL_BOOT_SERVICE_PROTOCOL provides a mechanisms for platform specific
/// drivers to update the SAL System Table and register Extended SAL Procedures that are
/// callable in physical or virtual mode using the SAL calling convention.
///
struct _EXTENDED_SAL_BOOT_SERVICE_PROTOCOL {
EXTENDED_SAL_ADD_SST_INFO AddSalSystemTableInfo;
EXTENDED_SAL_ADD_SST_ENTRY AddSalSystemTableEntry;
EXTENDED_SAL_REGISTER_INTERNAL_PROC RegisterExtendedSalProc;
EXTENDED_SAL_PROC ExtendedSalProc;
};
extern EFI_GUID gEfiExtendedSalBootServiceProtocolGuid;
#endif
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