projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| b630feee JY |
1 | /** @file\r |
| 2 | TCG PPI services.\r | |
| 3 | \r | |
| 4 | Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>\r | |
| 5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
| 6 | \r | |
| 7 | **/\r | |
| 8 | \r | |
| 9 | #ifndef _TCG_PPI_H_\r | |
| 10 | #define _TCG_PPI_H_\r | |
| 11 | \r | |
| 12 | #include <IndustryStandard/UefiTcgPlatform.h>\r | |
| 13 | \r | |
| 14 | typedef struct _EDKII_TCG_PPI EDKII_TCG_PPI;\r | |
| 15 | \r | |
| 16 | //\r | |
| 17 | // This bit is shall be set when HashData is the pre-hash digest.\r | |
| 18 | //\r | |
| 19 | #define EDKII_TCG_PRE_HASH 0x0000000000000001\r | |
| 20 | \r | |
| 547067dd QZ |
21 | //\r |
| 22 | // This bit is shall be set when HashData is the pre-hash digest and log only.\r | |
| 23 | //\r | |
| 24 | #define EDKII_TCG_PRE_HASH_LOG_ONLY 0x0000000000000002\r | |
| 25 | \r | |
| b630feee JY |
26 | /**\r |
| 27 | Tpm measure and log data, and extend the measurement result into a specific PCR.\r | |
| 28 | \r | |
| 29 | @param[in] This Indicates the calling context\r | |
| 30 | @param[in] Flags Bitmap providing additional information\r | |
| 31 | @param[in] HashData If BIT0 of Flags is 0, it is physical address of the\r | |
| 32 | start of the data buffer to be hashed, extended, and logged.\r | |
| 33 | If BIT0 of Flags is 1, it is physical address of the\r | |
| 34 | start of the pre-hash data buffter to be extended, and logged.\r | |
| 35 | The pre-hash data format is TPML_DIGEST_VALUES.\r | |
| 36 | @param[in] HashDataLen The length, in bytes, of the buffer referenced by HashData.\r | |
| 37 | @param[in] NewEventHdr Pointer to a TCG_PCR_EVENT_HDR data structure.\r | |
| 38 | @param[in] NewEventData Pointer to the new event data.\r | |
| 39 | \r | |
| 40 | @retval EFI_SUCCESS Operation completed successfully.\r | |
| 41 | @retval EFI_UNSUPPORTED TPM device not available.\r | |
| 42 | @retval EFI_OUT_OF_RESOURCES Out of memory.\r | |
| 43 | @retval EFI_DEVICE_ERROR The operation was unsuccessful.\r | |
| 44 | **/\r | |
| 45 | typedef\r | |
| 46 | EFI_STATUS\r | |
| 47 | (EFIAPI *EDKII_TCG_HASH_LOG_EXTEND_EVENT)(\r | |
| 48 | IN EDKII_TCG_PPI *This,\r | |
| 49 | IN UINT64 Flags,\r | |
| 50 | IN UINT8 *HashData,\r | |
| 51 | IN UINTN HashDataLen,\r | |
| 52 | IN TCG_PCR_EVENT_HDR *NewEventHdr,\r | |
| 53 | IN UINT8 *NewEventData\r | |
| 54 | );\r | |
| 55 | \r | |
| 56 | ///\r | |
| 57 | /// The EFI_TCG Protocol abstracts TCG activity.\r | |
| 58 | ///\r | |
| 59 | struct _EDKII_TCG_PPI {\r | |
| 60 | EDKII_TCG_HASH_LOG_EXTEND_EVENT HashLogExtendEvent;\r | |
| 61 | };\r | |
| 62 | \r | |
| 63 | extern EFI_GUID gEdkiiTcgPpiGuid;\r | |
| 64 | \r | |
| 65 | #endif\r |