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Diffstat (limited to 'Include/Protocol/SmmAccess2.h')
| -rw-r--r-- | Include/Protocol/SmmAccess2.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/Include/Protocol/SmmAccess2.h b/Include/Protocol/SmmAccess2.h new file mode 100644 index 0000000..daa5d75 --- /dev/null +++ b/Include/Protocol/SmmAccess2.h @@ -0,0 +1,136 @@ +//************************************************************************* +//************************************************************************* +//** ** +//** (C)Copyright 1985-2011, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//************************************************************************* +//************************************************************************* + +//********************************************************************** +// $Header: /Alaska/SOURCE/Modules/SMM/SmmAccess2.h 2 3/04/11 3:35p Markw $ +// +// $Revision: 2 $ +// +// $Date: 3/04/11 3:35p $ +//********************************************************************** +// Revision History +// ---------------- +// $Log: /Alaska/SOURCE/Modules/SMM/SmmAccess2.h $ +// +// 2 3/04/11 3:35p Markw +// Update headers. +// +// 1 2/07/11 4:03p Markw +// [TAG] EIP53481 +// [Category] New Feature +// [Description] Add PIWG 1.1 SMM support +// [Files] mm.sdl, SmmPrivateShared.h, SmmDispatcher.mak, +// SmmDispatcher.h, SmmDispatcher.c, +// Smst.c, SmmPiSmst.c, SmmInit.c, SmmBase.c, SmmBase2.c, +// SmmDriverDispatcher.c, Smm Framewwork Protocol files, SmmPi.h, +// Smm Pi Protocol files, SmmPciRbio files +// +// +//********************************************************************** + +//<AMI_FHDR_START> +//---------------------------------------------------------------------------- +// +// Name: SmmAccess2.h +// +// Description: +// This provides north bridge functions to open, close, lock, and describe SMM space. +// +//---------------------------------------------------------------------------- +//<AMI_FHDR_END> + +#ifndef __SMM_ACCESS2_PROTOCOL_H__ +#define __SMM_ACCESS2_PROTOCOL_H__ +#if PI_SPECIFICATION_VERSION >= 0x0001000A + +#ifdef __cplusplus +extern "C" { +#endif +#include <EFI.h> + +#define EFI_SMM_ACCESS2_PROTOCOL_GUID \ + {0xc2702b74,0x800c,0x4131,0x87,0x46,0x8f,0xb5,0xb8,0x9c,0xe4,0xac} + +GUID_VARIABLE_DECLARATION(gEfiSmmAccess2ProtocolGuid,EFI_SMM_ACCESS2_PROTOCOL_GUID); + +//Forward Declaration +typedef struct _EFI_SMM_ACCESS2_PROTOCOL EFI_SMM_ACCESS2_PROTOCOL; + +#ifndef SMM_ACCESS_DEF +#define SMM_ACCESS_DEF + +#define EFI_SMRAM_OPEN 0x00000001 +#define EFI_SMRAM_CLOSED 0x00000002 +#define EFI_SMRAM_LOCKED 0x00000004 +#define EFI_CACHEABLE 0x00000008 +#define EFI_ALLOCATED 0x00000010 +#define EFI_NEEDS_TESTING 0x00000020 +#define EFI_NEEDS_ECC_INITIALIZATION 0x00000040 + +typedef struct _EFI_SMRAM_DESCRIPTOR { + EFI_PHYSICAL_ADDRESS PhysicalStart; + EFI_PHYSICAL_ADDRESS CpuStart; + UINT64 PhysicalSize; + UINT64 RegionState; +} EFI_SMRAM_DESCRIPTOR; + +#endif + +typedef EFI_STATUS (EFIAPI *EFI_SMM_OPEN2)( + IN EFI_SMM_ACCESS2_PROTOCOL *This +); + +typedef EFI_STATUS (EFIAPI *EFI_SMM_CLOSE2)( + IN EFI_SMM_ACCESS2_PROTOCOL *This +); + +typedef EFI_STATUS (EFIAPI *EFI_SMM_LOCK2)( + IN EFI_SMM_ACCESS2_PROTOCOL *This +); + +typedef EFI_STATUS (EFIAPI *EFI_SMM_CAPABILITIES2)( + IN CONST EFI_SMM_ACCESS2_PROTOCOL *This, + IN OUT UINTN *SmramMapSize, + IN OUT EFI_SMRAM_DESCRIPTOR *SmramMap +); + +struct _EFI_SMM_ACCESS2_PROTOCOL { + EFI_SMM_OPEN2 Open; + EFI_SMM_CLOSE2 Close; + EFI_SMM_LOCK2 Lock; + EFI_SMM_CAPABILITIES2 GetCapabilities; //Current state of the SMRAM. TRUE if locked. + BOOLEAN LockState; //Current state of the SMRAM. TRUE if open. + BOOLEAN OpenState; +}; + +/****** DO NOT WRITE BELOW THIS LINE *******/ +#ifdef __cplusplus +} +#endif +#endif +#endif + +//************************************************************************* +//************************************************************************* +//** ** +//** (C)Copyright 1985-2011, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//************************************************************************* +//************************************************************************* |