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Diffstat (limited to 'Include/Protocol/SmmAccess.h')
| -rw-r--r-- | Include/Protocol/SmmAccess.h | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/Include/Protocol/SmmAccess.h b/Include/Protocol/SmmAccess.h new file mode 100644 index 0000000..d324595 --- /dev/null +++ b/Include/Protocol/SmmAccess.h @@ -0,0 +1,170 @@ +//************************************************************************* +//************************************************************************* +//** ** +//** (C)Copyright 1985-2009, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//************************************************************************* +//************************************************************************* + +//********************************************************************** +// $Header: /Alaska/SOURCE/Modules/SMM/SmmAccess.h 3 2/07/11 3:37p Markw $ +// +// $Revision: 3 $ +// +// $Date: 2/07/11 3:37p $ +//********************************************************************** +// Revision History +// ---------------- +// $Log: /Alaska/SOURCE/Modules/SMM/SmmAccess.h $ +// +// 3 2/07/11 3:37p Markw +// [TAG] EIP53481 +// [Category] New Feature +// [Description] Add PIWG 1.1 SMM support +// [Files] Smm.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 +// +// 2 7/08/09 8:01p Markw +// Update headers. +// +// 1 3/18/07 1:54p Markw +// +// 2 3/13/06 1:40a Felixp +// +// 1 1/28/05 12:44p Felixp +// +// 2 1/18/05 3:22p Felixp +// PrintDebugMessage renamed to Trace +// +// 1 12/23/04 9:41a Felixp +// +// 1 1/30/04 10:26a Markw +// +// 1 1/26/04 3:25p Markw +// +//********************************************************************** +//<AMI_FHDR_START> +// +// Name: SmmAccess_h +// +// Description: This provides north bridge functions to open, close, lock, +// and describe SMM space. +// +//<AMI_FHDR_END> +//********************************************************************** +#ifndef __SMM_ACCESS_PROTOCOL_H__ +#define __SMM_ACCESS_PROTOCOL_H__ +#ifdef __cplusplus +extern "C" { +#endif +#include <EFI.h> + +#define EFI_SMM_ACCESS_PROTOCOL_GUID \ + {0x3792095a,0xe309,0x4c1e,0xaa,0x01,0x85,0xf5,0x65,0x5a,0x17,0xf1} + +GUID_VARIABLE_DECLARATION(gEfiSmmAccessProtocolGuid,EFI_SMM_ACCESS_PROTOCOL_GUID); + +//Forward Declaration +typedef struct _EFI_SMM_ACCESS_PROTOCOL EFI_SMM_ACCESS_PROTOCOL; + +#ifndef SMM_ACCESS_DEF +#define SMM_ACCESS_DEF + +//******************************************************* +//EFI_SMRAM_STATE +//******************************************************* +#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_OPEN) ( + IN EFI_SMM_ACCESS_PROTOCOL *This, + IN UINTN DescriptorIndex +); + +typedef EFI_STATUS (EFIAPI *EFI_SMM_CLOSE) ( + IN EFI_SMM_ACCESS_PROTOCOL *This, + IN UINTN DescriptorIndex +); + +typedef EFI_STATUS (EFIAPI *EFI_SMM_LOCK) ( + IN EFI_SMM_ACCESS_PROTOCOL *This, + IN UINTN DescriptorIndex +); + +typedef EFI_STATUS (EFIAPI *EFI_SMM_CAPABILITIES) ( + IN EFI_SMM_ACCESS_PROTOCOL *This, + IN OUT UINTN *SmramMapSize, + IN OUT EFI_SMRAM_DESCRIPTOR *SmramMap +); + +//********************************************************************** +//<AMI_THDR_START> +// +// Name: EFI_SMM_ACCESS_PROTOCOL +// +// Description: This provides north bridge functions to open, close, lock, +// and describe SMM space. +// +// Fields: Name Type Description +// ------------------------------------------------------------ +// Open EFI_SMM_OPEN Access SMM space when in non-SMM mode. +// Close EFI_SMM_CLOSE Close SMM space when in non-SMM mode. +// Lock EFI_SMM_LOCK Do not allow access to SMM when in non-SMM Mode. +// GetCapabilities EFI_SMM_CAPABILITIES Provide information for SMM memory areas. +// LockState BOOLEAN TRUE if SMM memory is locked. +// OpenState BOOLEAN TRUE if any SMM memory is opened. +// +//<AMI_THDR_END> +//********************************************************************** +struct _EFI_SMM_ACCESS_PROTOCOL { + EFI_SMM_OPEN Open; + EFI_SMM_CLOSE Close; + EFI_SMM_LOCK Lock; + EFI_SMM_CAPABILITIES GetCapabilities; + BOOLEAN LockState; + BOOLEAN OpenState; +}; + +/****** DO NOT WRITE BELOW THIS LINE *******/ +#ifdef __cplusplus +} +#endif +#endif + +//************************************************************************* +//************************************************************************* +//** ** +//** (C)Copyright 1985-2009, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//************************************************************************* +//************************************************************************* |