diff options
Diffstat (limited to 'Core/EM/TCG2/CRB_lib/Tpm20CRBLib.h')
| -rw-r--r-- | Core/EM/TCG2/CRB_lib/Tpm20CRBLib.h | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/Core/EM/TCG2/CRB_lib/Tpm20CRBLib.h b/Core/EM/TCG2/CRB_lib/Tpm20CRBLib.h new file mode 100644 index 0000000..1182ab2 --- /dev/null +++ b/Core/EM/TCG2/CRB_lib/Tpm20CRBLib.h @@ -0,0 +1,140 @@ +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2013, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//************************************************************************* +// $Header: /Alaska/SOURCE/Modules/TCG2/Libraries/Tpm20CRBLib/Tpm20CRBLib.h 2 6/14/14 12:24a Fredericko $ +// +// $Revision: 2 $ +// +// $Date: 6/14/14 12:24a $ +//************************************************************************* +// Revision History +// ---------------- +// $Log: /Alaska/SOURCE/Modules/TCG2/Libraries/Tpm20CRBLib/Tpm20CRBLib.h $ +// +// 2 6/14/14 12:24a Fredericko +// +// 1 4/21/14 2:15p Fredericko +// +// 1 10/08/13 11:59a Fredericko +// Initial Check-In for Tpm-Next module +// +// 2 9/16/13 1:51p Fredericko +// +// 1 7/10/13 5:51p Fredericko +// [TAG] EIP120969 +// [Category] New Feature +// [Description] TCG (TPM20) +// +//********************************************************************** +//<AMI_FHDR_START> +// +// Name: +// +// Description: +// +//<AMI_FHDR_END> +//********************************************************************** +#include <Efi.h> +#include <token.h> + + +//Defines ACPI Interface for Control Resource Buffer Access +#define TPM20H2NS(x) ((((x) << 8) | ((x) >> 8)) & 0xffff) +#define TPM20H2NL(x) (TPM20H2NS ((x) >> 16) | (TPM20H2NS ((x) & 0xffff) << 16)) + +#define CONTROL_AREA_RSVD 0x00 +#define CONTROL_AREA_ERROR 0x04 +#define CONTROL_AREA_CANCEL 0x08 +#define CONTROL_AREA_START 0x0C +#define CONTROL_AREA_INT 0x10 +#define CONTROL_AREA_CMD_SZ 0x18 +#define CONTROL_AREA_CMD_BASE 0x1C +#define CONTROL_AREA_RSP_SZ 0x24 +#define CONTROL_AREA_RSP_BASE 0x28 + +//Timeouts +#define TIMEOUT_A 500 ///< 500 microseconds +#define TIMEOUT_B 500 * 1000 ///< 10ms (max command processing time in PK-TPM ca. 3ms) +#define TIMEOUT_C 1000 * 1000 ///< 1s +#define TIMEOUT_D 500 * 1000 ///< 500 ms +#define POLLING_PERIOD 140 ///< Poll register every 140 microsecondss + +#define CRB_DEVICE_CMD 0x40 +#define CRB_DEVICE_STS 0x44 + +#define TPM20_CRB_IDLE 0x02 + +#define TPM20_MAX_COMMAND_SIZE 0x0F80 +#define StartStatusFieldSet 0x00000001 + +#define TPM20_CRB_CMD_BASE 0x80 +#define TPM20_CRB_RSP_BASE 0x80 + +#define TPM20_CRBSTATUS_START 0x00000001 +#define TPM20_CRB_ALL_CLEAR 0xFFFFFFFF + +#define RESPONSE_HEADER_SIZE 0x0a + + +#pragma pack(1) + +typedef struct _STATUS_FIELD_ +{ + UINT32 Rsvd; + UINT32 Error; + UINT32 Cancel; + UINT32 Start; +}STATUS_FIELD; + +typedef struct _CONTROL_AREA_LAYOUT_ +{ + STATUS_FIELD StatusFieled; + UINT64 IntCntrl; + UINT32 Cmd_Sz; + UINT64 Cmd_Addrs; + UINT32 Rsp_Sz; + UINT64 Rsp_Addrs; +}CONTROL_AREA_LAYOUT; + +typedef struct _GENERIC_RESP_HDR_ +{ + UINT16 Tag; + UINT32 RespSize; + UINT32 RespCode; +}GENERIC_RESP_HDR; + +#pragma pack() + + +EFI_STATUS +EFIAPI +CrbSubmitCmd( + IN UINT8 *InputBuffer, + IN UINT32 InputBufferSize, + OUT UINT8 *OutputBuffer, + OUT UINT32 *OutputBufferSize); + +BOOLEAN isTpm20CrbPresent(); + +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2013, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//**********************************************************************
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