91 lines
1.7 KiB
C
91 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2021 MediaTek Inc.
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*/
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/**
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* @file drrpmb_Api.h
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* @brief Contains DCI command definitions and data structures
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*
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*/
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#ifndef __DRRPMBAPI_H__
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#define __DRRPMBAPI_H__
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#include "dci.h"
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/*
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* Command ID's
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*/
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#define DCI_RPMB_CMD_READ_DATA 1
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#define DCI_RPMB_CMD_GET_WCNT 2
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#define DCI_RPMB_CMD_WRITE_DATA 3
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#define DCI_RPMB_CMD_PROGRAM_KEY 4
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/*... add more command ids when needed */
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/**
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* command message.
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*
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* @param len Length of the data to process.
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* @param data Data to be processed
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*/
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struct cmd_t {
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struct dciCommandHeader_t header; /**< Command header */
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uint32_t len; /**< Length of data to process */
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};
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/**
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* Response structure
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*/
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struct rsp_t {
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struct dciResponseHeader_t header; /**< Response header */
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uint32_t len;
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};
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/*
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* Alternative access flow to improve performance. (this is customization)
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*/
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#define RPMB_MULTI_BLOCK_ACCESS 1
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#if RPMB_MULTI_BLOCK_ACCESS
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/* 16 blocks per request. */
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#define MAX_RPMB_TRANSFER_BLK (16U)
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#define MAX_RPMB_REQUEST_SIZE (512U*MAX_RPMB_TRANSFER_BLK) /* 8KB */
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#else
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/* 1 block per request. */
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#define MAX_RPMB_TRANSFER_BLK (1U)
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#define MAX_RPMB_REQUEST_SIZE (512U*MAX_RPMB_TRANSFER_BLK) /* 512byte */
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#endif
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struct rpmb_req_t {
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uint8_t frame[MAX_RPMB_REQUEST_SIZE];
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uint32_t frameLen;
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uint16_t type;
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uint16_t addr;
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uint16_t blks;
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uint16_t result;
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};
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/*
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* DCI message data.
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*/
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struct dciMessage_t {
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union {
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struct cmd_t command;
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struct rsp_t response;
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};
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struct rpmb_req_t request;
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};
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/*
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* Driver UUID. Update accordingly after reserving UUID
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*/
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#define RPMB_UUID { { 7, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }
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#endif
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