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40 lines
1.0 KiB
40 lines
1.0 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Copyright (C) Microsoft Corporation |
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*/ |
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#ifndef __TPM_FTPM_TEE_H__ |
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#define __TPM_FTPM_TEE_H__ |
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#include <linux/tee_drv.h> |
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#include <linux/tpm.h> |
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#include <linux/uuid.h> |
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/* The TAFs ID implemented in this TA */ |
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#define FTPM_OPTEE_TA_SUBMIT_COMMAND (0) |
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#define FTPM_OPTEE_TA_EMULATE_PPI (1) |
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/* max. buffer size supported by fTPM */ |
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#define MAX_COMMAND_SIZE 4096 |
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#define MAX_RESPONSE_SIZE 4096 |
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/** |
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* struct ftpm_tee_private - fTPM's private data |
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* @chip: struct tpm_chip instance registered with tpm framework. |
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* @state: internal state |
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* @session: fTPM TA session identifier. |
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* @resp_len: cached response buffer length. |
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* @resp_buf: cached response buffer. |
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* @ctx: TEE context handler. |
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* @shm: Memory pool shared with fTPM TA in TEE. |
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*/ |
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struct ftpm_tee_private { |
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struct tpm_chip *chip; |
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u32 session; |
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size_t resp_len; |
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u8 resp_buf[MAX_RESPONSE_SIZE]; |
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struct tee_context *ctx; |
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struct tee_shm *shm; |
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}; |
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#endif /* __TPM_FTPM_TEE_H__ */
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