projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| c1d93242 JY |
1 | /** @file\r |
| 2 | This library abstract how to access TPM2 hardware device.\r | |
| 3 | \r | |
| f15cb995 | 4 | Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved. <BR>\r |
| c1d93242 JY |
5 | This program and the accompanying materials\r |
| 6 | are licensed and made available under the terms and conditions of the BSD License\r | |
| 7 | which accompanies this distribution. The full text of the license may be found at\r | |
| 8 | http://opensource.org/licenses/bsd-license.php\r | |
| 9 | \r | |
| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 12 | \r | |
| 13 | **/\r | |
| 14 | \r | |
| 15 | #ifndef _TPM2_DEVICE_LIB_H_\r | |
| 16 | #define _TPM2_DEVICE_LIB_H_\r | |
| 17 | \r | |
| 18 | #include <Uefi.h>\r | |
| 19 | \r | |
| f15cb995 ZC |
20 | //\r |
| 21 | // Used in PcdActiveTpmInterfaceType to identify TPM interface type\r | |
| 22 | //\r | |
| 23 | typedef enum {\r | |
| 24 | Tpm2PtpInterfaceTis,\r | |
| 25 | Tpm2PtpInterfaceFifo,\r | |
| 26 | Tpm2PtpInterfaceCrb,\r | |
| 27 | Tpm2PtpInterfaceMax,\r | |
| 28 | } TPM2_PTP_INTERFACE_TYPE;\r | |
| 29 | \r | |
| c1d93242 JY |
30 | /**\r |
| 31 | This service enables the sending of commands to the TPM2.\r | |
| 32 | \r | |
| 33 | @param[in] InputParameterBlockSize Size of the TPM2 input parameter block.\r | |
| 34 | @param[in] InputParameterBlock Pointer to the TPM2 input parameter block.\r | |
| 35 | @param[in,out] OutputParameterBlockSize Size of the TPM2 output parameter block.\r | |
| 36 | @param[in] OutputParameterBlock Pointer to the TPM2 output parameter block.\r | |
| 37 | \r | |
| 38 | @retval EFI_SUCCESS The command byte stream was successfully sent to the device and a response was successfully received.\r | |
| 39 | @retval EFI_DEVICE_ERROR The command was not successfully sent to the device or a response was not successfully received from the device.\r | |
| 40 | @retval EFI_BUFFER_TOO_SMALL The output parameter block is too small. \r | |
| 41 | **/\r | |
| 42 | EFI_STATUS\r | |
| 43 | EFIAPI\r | |
| 44 | Tpm2SubmitCommand (\r | |
| 45 | IN UINT32 InputParameterBlockSize,\r | |
| 46 | IN UINT8 *InputParameterBlock,\r | |
| 47 | IN OUT UINT32 *OutputParameterBlockSize,\r | |
| 48 | IN UINT8 *OutputParameterBlock\r | |
| 49 | );\r | |
| 50 | \r | |
| 51 | /**\r | |
| 52 | This service requests use TPM2.\r | |
| 53 | \r | |
| 54 | @retval EFI_SUCCESS Get the control of TPM2 chip.\r | |
| 55 | @retval EFI_NOT_FOUND TPM2 not found.\r | |
| 56 | @retval EFI_DEVICE_ERROR Unexpected device behavior.\r | |
| 57 | **/\r | |
| 58 | EFI_STATUS\r | |
| 59 | EFIAPI\r | |
| 60 | Tpm2RequestUseTpm (\r | |
| 61 | VOID\r | |
| 62 | );\r | |
| 63 | \r | |
| 64 | /**\r | |
| 65 | This service enables the sending of commands to the TPM2.\r | |
| 66 | \r | |
| 67 | @param[in] InputParameterBlockSize Size of the TPM2 input parameter block.\r | |
| 68 | @param[in] InputParameterBlock Pointer to the TPM2 input parameter block.\r | |
| 69 | @param[in,out] OutputParameterBlockSize Size of the TPM2 output parameter block.\r | |
| 70 | @param[in] OutputParameterBlock Pointer to the TPM2 output parameter block.\r | |
| 71 | \r | |
| 72 | @retval EFI_SUCCESS The command byte stream was successfully sent to the device and a response was successfully received.\r | |
| 73 | @retval EFI_DEVICE_ERROR The command was not successfully sent to the device or a response was not successfully received from the device.\r | |
| 74 | @retval EFI_BUFFER_TOO_SMALL The output parameter block is too small. \r | |
| 75 | **/\r | |
| 76 | typedef\r | |
| 77 | EFI_STATUS\r | |
| 78 | (EFIAPI *TPM2_SUBMIT_COMMAND) (\r | |
| 79 | IN UINT32 InputParameterBlockSize,\r | |
| 80 | IN UINT8 *InputParameterBlock,\r | |
| 81 | IN OUT UINT32 *OutputParameterBlockSize,\r | |
| 82 | IN UINT8 *OutputParameterBlock\r | |
| 83 | );\r | |
| 84 | \r | |
| 85 | /**\r | |
| 86 | This service requests use TPM2.\r | |
| 87 | \r | |
| 88 | @retval EFI_SUCCESS Get the control of TPM2 chip.\r | |
| 89 | @retval EFI_NOT_FOUND TPM2 not found.\r | |
| 90 | @retval EFI_DEVICE_ERROR Unexpected device behavior.\r | |
| 91 | **/\r | |
| 92 | typedef\r | |
| 93 | EFI_STATUS\r | |
| 94 | (EFIAPI *TPM2_REQUEST_USE_TPM) (\r | |
| 95 | VOID\r | |
| 96 | );\r | |
| 97 | \r | |
| 98 | typedef struct {\r | |
| 99 | EFI_GUID ProviderGuid;\r | |
| 100 | TPM2_SUBMIT_COMMAND Tpm2SubmitCommand;\r | |
| 101 | TPM2_REQUEST_USE_TPM Tpm2RequestUseTpm;\r | |
| 102 | } TPM2_DEVICE_INTERFACE;\r | |
| 103 | \r | |
| 104 | /**\r | |
| 105 | This service register TPM2 device.\r | |
| 106 | \r | |
| 107 | @param Tpm2Device TPM2 device\r | |
| 108 | \r | |
| 109 | @retval EFI_SUCCESS This TPM2 device is registered successfully.\r | |
| 110 | @retval EFI_UNSUPPORTED System does not support register this TPM2 device.\r | |
| 111 | @retval EFI_ALREADY_STARTED System already register this TPM2 device.\r | |
| 112 | **/\r | |
| 113 | EFI_STATUS\r | |
| 114 | EFIAPI\r | |
| 115 | Tpm2RegisterTpm2DeviceLib (\r | |
| 116 | IN TPM2_DEVICE_INTERFACE *Tpm2Device\r | |
| 117 | );\r | |
| 118 | \r | |
| 119 | #endif\r |