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<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic concept/concept topic concept" role="article" aria-labelledby="ariaid-title1"><span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/spienc/spi-enc-interface_design.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">接口设计</h1><div class="date inPage">5 Nov 2024</div><div style="color: gray;">
Read time: 1 minute(s)
</div><div class="- topic/body concept/conbody body conbody"><div class="table-container"><table class="- topic/table table frame-all" id="spi_enc_interface_design__table_nnb_5yx_21c" data-ofbid="spi_enc_interface_design__table_nnb_5yx_21c" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 1</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">aic_spienc_alg_init</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">函数原型</td><td class="- topic/entry entry colsep-0 rowsep-1">int aic_spienc_alg_init(struct crypto_skcipher *tfm)</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1">对称密钥算法的初始化函数</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1">struct crypto_skcipher *tfm 算法实例指针</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1">0: 成功<p class="- topic/p p" data-ofbid="d174671e49__20250121171622">其他: 失败</p></td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0">-</td></tr></tbody></table></div><div class="table-container"><table class="- topic/table table frame-all" id="spi_enc_interface_design__table_onb_5yx_21c" data-ofbid="spi_enc_interface_design__table_onb_5yx_21c" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 2</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">aic_spienc_probe</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">函数原型</td><td class="- topic/entry entry colsep-0 rowsep-1">int aic_spienc_probe(struct platform_device *pdev)</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1">驱动的初始化函数</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1">struct platform_device *pdev 设备指针</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1">0: 成功<p class="- topic/p p" data-ofbid="d174671e83__20250121171622">其他: 失败</p></td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0">-</td></tr></tbody></table></div><div class="table-container"><table class="- topic/table table frame-all" id="spi_enc_interface_design__table_pnb_5yx_21c" data-ofbid="spi_enc_interface_design__table_pnb_5yx_21c" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 3</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">aic_spienc_attach_bus</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">函数原型</td><td class="- topic/entry entry colsep-0 rowsep-1">int aic_spienc_attach_bus(struct aic_spienc_drvdata *drvdata, u32
bus)</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1">将 SPI ENC 连接到指定的 SPI 控制器</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1">struct aic_spienc_drvdata *drvdata 设备驱动数据指针 busSPI 控制器
ID</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1">0: 成功<p class="- topic/p p" data-ofbid="d174671e117__20250121171622">其他: 失败</p></td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0">-</td></tr></tbody></table></div><div class="table-container"><table class="- topic/table table frame-all" id="spi_enc_interface_design__table_qnb_5yx_21c" data-ofbid="spi_enc_interface_design__table_qnb_5yx_21c" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 4</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">aic_spienc_encrypt</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">函数原型</td><td class="- topic/entry entry colsep-0 rowsep-1">int aic_spienc_encrypt(struct skcipher_request *req)</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1">配置 SPI_ENC 启动数据加密</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1">struct skcipher_request *req 加密请求指针</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1">0: 成功<p class="- topic/p p" data-ofbid="d174671e151__20250121171622">其他: 失败</p></td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0">-</td></tr></tbody></table></div><div class="table-container"><table class="- topic/table table frame-all" id="spi_enc_interface_design__table_rnb_5yx_21c" data-ofbid="spi_enc_interface_design__table_rnb_5yx_21c" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 5</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">aic_spienc_decrypt</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">函数原型</td><td class="- topic/entry entry colsep-0 rowsep-1">int aic_spienc_decrypt(struct skcipher_request *req)</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1">配置 SPI_ENC 启动数据解密</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1">struct skcipher_request *req 解密请求指针</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1">0: 成功<p class="- topic/p p" data-ofbid="d174671e185__20250121171622">其他: 失败</p></td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0">-</td></tr></tbody></table></div><section class="- topic/section section" id="spi_enc_interface_design__section_qbw_tzq_g1c" data-ofbid="spi_enc_interface_design__section_qbw_tzq_g1c"><h2 class="- topic/title title sectiontitle">Driver 层接口设计</h2>
<div class="table-container"><table class="- topic/table table frame-all" id="spi_enc_interface_design__table_qqk_5zq_g1c" data-ofbid="spi_enc_interface_design__table_qqk_5zq_g1c" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 6</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">drv_spienc_set_cfg</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="spi_enc_interface_design__table_qqk_5zq_g1c__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="spi_enc_interface_design__table_qqk_5zq_g1c__entry__2">void drv_spienc_set_cfg(u32 spi_bus, u32 addr, u32 cpos, u32
clen)</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="spi_enc_interface_design__table_qqk_5zq_g1c__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="spi_enc_interface_design__table_qqk_5zq_g1c__entry__2">配置加密数据信息</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="spi_enc_interface_design__table_qqk_5zq_g1c__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="spi_enc_interface_design__table_qqk_5zq_g1c__entry__2">
<ul class="- topic/ul ul" id="spi_enc_interface_design__ul_ntx_1x3_zbc" data-ofbid="spi_enc_interface_design__ul_ntx_1x3_zbc"><li class="- topic/li li" data-ofbid="d174671e221__20250121171622">spi_bus - 选择需要配置的 QSPI 设备 </li><li class="- topic/li li" data-ofbid="d174671e223__20250121171622">addr - 本次传输数据的起始地址 </li><li class="- topic/li li" data-ofbid="d174671e225__20250121171622">cpos - 本次传输密文数据的开始位置 </li><li class="- topic/li li" data-ofbid="d174671e227__20250121171622">clen - 本次传输密文的数据长度</li></ul>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="spi_enc_interface_design__table_qqk_5zq_g1c__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="spi_enc_interface_design__table_qqk_5zq_g1c__entry__2">无</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="spi_enc_interface_design__table_qqk_5zq_g1c__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="spi_enc_interface_design__table_qqk_5zq_g1c__entry__2">-</td></tr></tbody></table></div>
<div class="table-container"><table class="- topic/table table frame-all" id="spi_enc_interface_design__table_rqk_5zq_g1c" data-ofbid="spi_enc_interface_design__table_rqk_5zq_g1c" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 7</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">drv_spienc_start</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="spi_enc_interface_design__table_rqk_5zq_g1c__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="spi_enc_interface_design__table_rqk_5zq_g1c__entry__2">void drv_spienc_start(void)</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="spi_enc_interface_design__table_rqk_5zq_g1c__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="spi_enc_interface_design__table_rqk_5zq_g1c__entry__2">启动 SPI_ENC</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="spi_enc_interface_design__table_rqk_5zq_g1c__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="spi_enc_interface_design__table_rqk_5zq_g1c__entry__2">无</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="spi_enc_interface_design__table_rqk_5zq_g1c__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="spi_enc_interface_design__table_rqk_5zq_g1c__entry__2">无</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="spi_enc_interface_design__table_rqk_5zq_g1c__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="spi_enc_interface_design__table_rqk_5zq_g1c__entry__2">-</td></tr></tbody></table></div>
<div class="table-container"><table class="- topic/table table frame-all" id="spi_enc_interface_design__table_sqk_5zq_g1c" data-ofbid="spi_enc_interface_design__table_sqk_5zq_g1c" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 8</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">drv_spienc_stop</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="spi_enc_interface_design__table_sqk_5zq_g1c__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="spi_enc_interface_design__table_sqk_5zq_g1c__entry__2">void drv_spienc_stop(void)</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="spi_enc_interface_design__table_sqk_5zq_g1c__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="spi_enc_interface_design__table_sqk_5zq_g1c__entry__2">停止 SPI_ENC</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="spi_enc_interface_design__table_sqk_5zq_g1c__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="spi_enc_interface_design__table_sqk_5zq_g1c__entry__2">无</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="spi_enc_interface_design__table_sqk_5zq_g1c__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="spi_enc_interface_design__table_sqk_5zq_g1c__entry__2">无</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="spi_enc_interface_design__table_sqk_5zq_g1c__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="spi_enc_interface_design__table_sqk_5zq_g1c__entry__2">-</td></tr></tbody></table></div>
<div class="table-container"><table class="- topic/table table frame-all" id="spi_enc_interface_design__table_tqk_5zq_g1c" data-ofbid="spi_enc_interface_design__table_tqk_5zq_g1c" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 9</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">drv_spienc_check_empty</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="spi_enc_interface_design__table_tqk_5zq_g1c__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="spi_enc_interface_design__table_tqk_5zq_g1c__entry__2">int drv_spienc_check_empty(void)</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="spi_enc_interface_design__table_tqk_5zq_g1c__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="spi_enc_interface_design__table_tqk_5zq_g1c__entry__2">检查本次读取数据是否全为空</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="spi_enc_interface_design__table_tqk_5zq_g1c__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="spi_enc_interface_design__table_tqk_5zq_g1c__entry__2">无</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="spi_enc_interface_design__table_tqk_5zq_g1c__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="spi_enc_interface_design__table_tqk_5zq_g1c__entry__2">0，本次传输数据不全为空。1，本次传输数据全为空</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="spi_enc_interface_design__table_tqk_5zq_g1c__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="spi_enc_interface_design__table_tqk_5zq_g1c__entry__2">-</td></tr></tbody></table></div>
</section><section class="- topic/section section" id="spi_enc_interface_design__section_hj1_zzq_g1c" data-ofbid="spi_enc_interface_design__section_hj1_zzq_g1c"><h2 class="- topic/title title sectiontitle">HAL 层接口设计</h2>
<div class="- topic/p p" data-ofbid="d174671e348__20250121171622">HAL 层的函数接口声明存放在 <span class="+ topic/ph sw-d/filepath ph filepath">hal_spienc.h</span>
中，主要接口有：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="spi_enc_interface_design__codeblock_djw_zzq_g1c" data-ofbid="spi_enc_interface_design__codeblock_djw_zzq_g1c"><strong class="hl-keyword">int</strong> hal_spienc_init(<strong class="hl-keyword">void</strong>);
<strong class="hl-keyword">void</strong> hal_spienc_set_cfg(u32 spi_bus, u32 addr, u32 cpos, u32 clen);
<strong class="hl-keyword">void</strong> hal_spienc_start(<strong class="hl-keyword">void</strong>);
<strong class="hl-keyword">void</strong> hal_spienc_stop(<strong class="hl-keyword">void</strong>);
<strong class="hl-keyword">int</strong> hal_spienc_check_empty(<strong class="hl-keyword">void</strong>);</pre></div>
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