| Thirupathaiah Annapureddy | 22bc2ff | 2020-01-12 23:34:22 -0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* |
| 3 | * Copyright (C) Microsoft Corporation |
| 4 | */ |
| 5 | |
| 6 | #ifndef __TPM2_FTPM_TEE_H__ |
| 7 | #define __TPM2_FTPM_TEE_H__ |
| 8 | |
| 9 | /* This UUID is generated with uuidgen */ |
| 10 | #define TA_FTPM_UUID { 0xBC50D971, 0xD4C9, 0x42C4, \ |
| 11 | {0x82, 0xCB, 0x34, 0x3F, 0xB7, 0xF3, 0x78, 0x96} } |
| 12 | |
| 13 | /* The TAFs ID implemented in this TA */ |
| 14 | #define FTPM_OPTEE_TA_SUBMIT_COMMAND (0) |
| 15 | #define FTPM_OPTEE_TA_EMULATE_PPI (1) |
| 16 | |
| 17 | /* max. buffer size supported by fTPM */ |
| 18 | #define MAX_COMMAND_SIZE 4096 |
| 19 | #define MAX_RESPONSE_SIZE 4096 |
| 20 | |
| 21 | /** |
| 22 | * struct ftpm_tee_private - fTPM's private context |
| 23 | * @tee_dev: struct udevice for TEE. |
| 24 | * @session: fTPM TA session identifier. |
| 25 | * @is_open: Indicates whether the driver is already opened by client or not. |
| 26 | * @shm: Memory pool shared with fTPM TA in TEE. |
| 27 | */ |
| 28 | struct ftpm_tee_private { |
| 29 | struct udevice *tee_dev; |
| 30 | u32 session; |
| 31 | int is_open; |
| 32 | struct tee_shm *shm; |
| 33 | }; |
| 34 | |
| 35 | #endif /* __TPM2_FTPM_TEE_H__ */ |