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| <td width="10%" class="headerValue"><a href="../../../index.html">top level</a> - <a href="index.html">libstb/secvar/storage</a> - fakenv_ops.c<span style="font-size: 80%;"> (source / <a href="fakenv_ops.c.func-c.html">functions</a>)</span></td> |
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| <td width="5%" class="headerCovTableHead">Coverage</td> |
| <td width="5%" class="headerCovTableHead" title="Covered + Uncovered code">Total</td> |
| <td width="5%" class="headerCovTableHead" title="Exercised code only">Hit</td> |
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| <td class="headerItem">Test:</td> |
| <td class="headerValue">skiboot.info</td> |
| <td></td> |
| <td class="headerItem">Lines:</td> |
| <td class="headerCovTableEntryLo">42.0 %</td> |
| <td class="headerCovTableEntry">81</td> |
| <td class="headerCovTableEntry">34</td> |
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| <td class="headerItem">Test Date:</td> |
| <td class="headerValue">2025-06-27 16:54:26</td> |
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| <td class="headerItem">Functions:</td> |
| <td class="headerCovTableEntryLo">55.6 %</td> |
| <td class="headerCovTableEntry">9</td> |
| <td class="headerCovTableEntry">5</td> |
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| <td class="headerItem">Branches:</td> |
| <td class="headerCovTableEntryHi">-</td> |
| <td class="headerCovTableEntry">0</td> |
| <td class="headerCovTableEntry">0</td> |
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| <pre class="sourceHeading"> Branch data Line data Source code</pre> |
| <pre class="source"> |
| <span id="L1"><span class="lineNum"> 1</span> : : // SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later</span> |
| <span id="L2"><span class="lineNum"> 2</span> : : /* Copyright 2020 IBM Corp. */</span> |
| <span id="L3"><span class="lineNum"> 3</span> : : #include <skiboot.h></span> |
| <span id="L4"><span class="lineNum"> 4</span> : : #include "secboot_tpm.h"</span> |
| <span id="L5"><span class="lineNum"> 5</span> : : </span> |
| <span id="L6"><span class="lineNum"> 6</span> : : /* Offset into the SECBOOT PNOR partition to write "TPMNV" data */</span> |
| <span id="L7"><span class="lineNum"> 7</span> : : static size_t fakenv_offset = sizeof(struct secboot);</span> |
| <span id="L8"><span class="lineNum"> 8</span> : : </span> |
| <span id="L9"><span class="lineNum"> 9</span> : : struct fake_tpmnv {</span> |
| <span id="L10"><span class="lineNum"> 10</span> : : struct {</span> |
| <span id="L11"><span class="lineNum"> 11</span> : : struct secboot_header header;</span> |
| <span id="L12"><span class="lineNum"> 12</span> : : char vars[2048]; // Hardcode the size to 2048 for now</span> |
| <span id="L13"><span class="lineNum"> 13</span> : : } vars;</span> |
| <span id="L14"><span class="lineNum"> 14</span> : : struct tpmnv_control control;</span> |
| <span id="L15"><span class="lineNum"> 15</span> : : int defined[2];</span> |
| <span id="L16"><span class="lineNum"> 16</span> : : } __attribute__((packed));</span> |
| <span id="L17"><span class="lineNum"> 17</span> : : </span> |
| <span id="L18"><span class="lineNum"> 18</span> : : static struct fake_tpmnv fakenv;</span> |
| <span id="L19"><span class="lineNum"> 19</span> : : static int tpm_ready;</span> |
| <span id="L20"><span class="lineNum"> 20</span> : : </span> |
| <span id="L21"><span class="lineNum"> 21</span> : : </span> |
| <span id="L22"><span class="lineNum"> 22</span> :<span class="tlaGNC tlaBgGNC"> 9 : static inline void *nv_index_address(int index)</span></span> |
| <span id="L23"><span class="lineNum"> 23</span> : : {</span> |
| <span id="L24"><span class="lineNum"> 24</span> :<span class="tlaGNC"> 9 : switch (index) {</span></span> |
| <span id="L25"><span class="lineNum"> 25</span> :<span class="tlaGNC"> 3 : case SECBOOT_TPMNV_VARS_INDEX:</span></span> |
| <span id="L26"><span class="lineNum"> 26</span> :<span class="tlaGNC"> 3 : return &fakenv.vars;</span></span> |
| <span id="L27"><span class="lineNum"> 27</span> :<span class="tlaGNC"> 6 : case SECBOOT_TPMNV_CONTROL_INDEX:</span></span> |
| <span id="L28"><span class="lineNum"> 28</span> :<span class="tlaGNC"> 6 : return &fakenv.control;</span></span> |
| <span id="L29"><span class="lineNum"> 29</span> :<span class="tlaUNC tlaBgUNC"> 0 : default:</span></span> |
| <span id="L30"><span class="lineNum"> 30</span> :<span class="tlaUNC"> 0 : return 0;</span></span> |
| <span id="L31"><span class="lineNum"> 31</span> : : }</span> |
| <span id="L32"><span class="lineNum"> 32</span> : : }</span> |
| <span id="L33"><span class="lineNum"> 33</span> : : </span> |
| <span id="L34"><span class="lineNum"> 34</span> : : </span> |
| <span id="L35"><span class="lineNum"> 35</span> :<span class="tlaGNC tlaBgGNC"> 12 : static int tpm_init(void)</span></span> |
| <span id="L36"><span class="lineNum"> 36</span> : : {</span> |
| <span id="L37"><span class="lineNum"> 37</span> : : int rc;</span> |
| <span id="L38"><span class="lineNum"> 38</span> : : </span> |
| <span id="L39"><span class="lineNum"> 39</span> :<span class="tlaGNC"> 12 : if (tpm_ready)</span></span> |
| <span id="L40"><span class="lineNum"> 40</span> :<span class="tlaGNC"> 11 : return 0;</span></span> |
| <span id="L41"><span class="lineNum"> 41</span> : : </span> |
| <span id="L42"><span class="lineNum"> 42</span> :<span class="tlaGNC"> 1 : rc = flash_secboot_read(&fakenv, fakenv_offset, sizeof(struct fake_tpmnv));</span></span> |
| <span id="L43"><span class="lineNum"> 43</span> :<span class="tlaGNC"> 1 : if (rc)</span></span> |
| <span id="L44"><span class="lineNum"> 44</span> :<span class="tlaUNC tlaBgUNC"> 0 : return rc;</span></span> |
| <span id="L45"><span class="lineNum"> 45</span> : : </span> |
| <span id="L46"><span class="lineNum"> 46</span> :<span class="tlaGNC tlaBgGNC"> 1 : tpm_ready = 1;</span></span> |
| <span id="L47"><span class="lineNum"> 47</span> : : </span> |
| <span id="L48"><span class="lineNum"> 48</span> :<span class="tlaGNC"> 1 : return 0;</span></span> |
| <span id="L49"><span class="lineNum"> 49</span> : : }</span> |
| <span id="L50"><span class="lineNum"> 50</span> : : </span> |
| <span id="L51"><span class="lineNum"> 51</span> :<span class="tlaUNC tlaBgUNC"> 0 : static int fakenv_read(TPMI_RH_NV_INDEX nvIndex, void *buf,</span></span> |
| <span id="L52"><span class="lineNum"> 52</span> : : size_t bufsize, uint16_t off)</span> |
| <span id="L53"><span class="lineNum"> 53</span> : : {</span> |
| <span id="L54"><span class="lineNum"> 54</span> :<span class="tlaUNC"> 0 : if (tpm_init())</span></span> |
| <span id="L55"><span class="lineNum"> 55</span> :<span class="tlaUNC"> 0 : return OPAL_INTERNAL_ERROR;</span></span> |
| <span id="L56"><span class="lineNum"> 56</span> : : </span> |
| <span id="L57"><span class="lineNum"> 57</span> :<span class="tlaUNC"> 0 : memcpy(buf, nv_index_address(nvIndex) + off, bufsize);</span></span> |
| <span id="L58"><span class="lineNum"> 58</span> : : </span> |
| <span id="L59"><span class="lineNum"> 59</span> :<span class="tlaUNC"> 0 : return 0;</span></span> |
| <span id="L60"><span class="lineNum"> 60</span> : : }</span> |
| <span id="L61"><span class="lineNum"> 61</span> : : </span> |
| <span id="L62"><span class="lineNum"> 62</span> :<span class="tlaGNC tlaBgGNC"> 9 : static int fakenv_write(TPMI_RH_NV_INDEX nvIndex, void *buf,</span></span> |
| <span id="L63"><span class="lineNum"> 63</span> : : size_t bufsize, uint16_t off)</span> |
| <span id="L64"><span class="lineNum"> 64</span> : : {</span> |
| <span id="L65"><span class="lineNum"> 65</span> :<span class="tlaGNC"> 9 : if (tpm_init())</span></span> |
| <span id="L66"><span class="lineNum"> 66</span> :<span class="tlaUNC tlaBgUNC"> 0 : return OPAL_INTERNAL_ERROR;</span></span> |
| <span id="L67"><span class="lineNum"> 67</span> : : </span> |
| <span id="L68"><span class="lineNum"> 68</span> :<span class="tlaGNC tlaBgGNC"> 9 : memcpy(nv_index_address(nvIndex) + off, buf, bufsize);</span></span> |
| <span id="L69"><span class="lineNum"> 69</span> : : </span> |
| <span id="L70"><span class="lineNum"> 70</span> : : /* Just write the whole NV struct for now */</span> |
| <span id="L71"><span class="lineNum"> 71</span> :<span class="tlaGNC"> 9 : return flash_secboot_write(fakenv_offset, &fakenv, sizeof(struct fake_tpmnv));</span></span> |
| <span id="L72"><span class="lineNum"> 72</span> : : }</span> |
| <span id="L73"><span class="lineNum"> 73</span> : : </span> |
| <span id="L74"><span class="lineNum"> 74</span> :<span class="tlaGNC"> 2 : static int fakenv_definespace(TPMI_RH_NV_INDEX nvIndex, uint16_t dataSize)</span></span> |
| <span id="L75"><span class="lineNum"> 75</span> : : {</span> |
| <span id="L76"><span class="lineNum"> 76</span> :<span class="tlaGNC"> 2 : if (tpm_init())</span></span> |
| <span id="L77"><span class="lineNum"> 77</span> :<span class="tlaUNC tlaBgUNC"> 0 : return OPAL_INTERNAL_ERROR;</span></span> |
| <span id="L78"><span class="lineNum"> 78</span> : : </span> |
| <span id="L79"><span class="lineNum"> 79</span> : : (void) dataSize;</span> |
| <span id="L80"><span class="lineNum"> 80</span> : : </span> |
| <span id="L81"><span class="lineNum"> 81</span> :<span class="tlaGNC tlaBgGNC"> 2 : switch (nvIndex) {</span></span> |
| <span id="L82"><span class="lineNum"> 82</span> :<span class="tlaGNC"> 1 : case SECBOOT_TPMNV_VARS_INDEX:</span></span> |
| <span id="L83"><span class="lineNum"> 83</span> :<span class="tlaGNC"> 1 : fakenv.defined[0] = 1;</span></span> |
| <span id="L84"><span class="lineNum"> 84</span> :<span class="tlaGNC"> 1 : return 0;</span></span> |
| <span id="L85"><span class="lineNum"> 85</span> :<span class="tlaGNC"> 1 : case SECBOOT_TPMNV_CONTROL_INDEX:</span></span> |
| <span id="L86"><span class="lineNum"> 86</span> :<span class="tlaGNC"> 1 : fakenv.defined[1] = 1;</span></span> |
| <span id="L87"><span class="lineNum"> 87</span> :<span class="tlaGNC"> 1 : return 0;</span></span> |
| <span id="L88"><span class="lineNum"> 88</span> : : }</span> |
| <span id="L89"><span class="lineNum"> 89</span> : : </span> |
| <span id="L90"><span class="lineNum"> 90</span> :<span class="tlaUNC tlaBgUNC"> 0 : return OPAL_INTERNAL_ERROR;</span></span> |
| <span id="L91"><span class="lineNum"> 91</span> : : }</span> |
| <span id="L92"><span class="lineNum"> 92</span> : : </span> |
| <span id="L93"><span class="lineNum"> 93</span> :<span class="tlaUNC"> 0 : static int fakenv_writelock(TPMI_RH_NV_INDEX nvIndex)</span></span> |
| <span id="L94"><span class="lineNum"> 94</span> : : {</span> |
| <span id="L95"><span class="lineNum"> 95</span> :<span class="tlaUNC"> 0 : if (tpm_init())</span></span> |
| <span id="L96"><span class="lineNum"> 96</span> :<span class="tlaUNC"> 0 : return OPAL_INTERNAL_ERROR;</span></span> |
| <span id="L97"><span class="lineNum"> 97</span> : : </span> |
| <span id="L98"><span class="lineNum"> 98</span> : : (void) nvIndex;</span> |
| <span id="L99"><span class="lineNum"> 99</span> : : </span> |
| <span id="L100"><span class="lineNum"> 100</span> :<span class="tlaUNC"> 0 : return 0;</span></span> |
| <span id="L101"><span class="lineNum"> 101</span> : : }</span> |
| <span id="L102"><span class="lineNum"> 102</span> : : </span> |
| <span id="L103"><span class="lineNum"> 103</span> :<span class="tlaGNC tlaBgGNC"> 1 : static int fakenv_get_defined_indices(TPMI_RH_NV_INDEX **indices, size_t *count)</span></span> |
| <span id="L104"><span class="lineNum"> 104</span> : : {</span> |
| <span id="L105"><span class="lineNum"> 105</span> :<span class="tlaGNC"> 1 : if (tpm_init())</span></span> |
| <span id="L106"><span class="lineNum"> 106</span> :<span class="tlaUNC tlaBgUNC"> 0 : return OPAL_INTERNAL_ERROR;</span></span> |
| <span id="L107"><span class="lineNum"> 107</span> : : </span> |
| <span id="L108"><span class="lineNum"> 108</span> :<span class="tlaGNC tlaBgGNC"> 1 : *indices = zalloc(sizeof(fakenv.defined));</span></span> |
| <span id="L109"><span class="lineNum"> 109</span> :<span class="tlaGNC"> 1 : if (*indices == NULL)</span></span> |
| <span id="L110"><span class="lineNum"> 110</span> :<span class="tlaUNC tlaBgUNC"> 0 : return OPAL_NO_MEM;</span></span> |
| <span id="L111"><span class="lineNum"> 111</span> : : </span> |
| <span id="L112"><span class="lineNum"> 112</span> :<span class="tlaGNC tlaBgGNC"> 1 : *count = 0;</span></span> |
| <span id="L113"><span class="lineNum"> 113</span> : : </span> |
| <span id="L114"><span class="lineNum"> 114</span> :<span class="tlaGNC"> 1 : if (fakenv.defined[0]) {</span></span> |
| <span id="L115"><span class="lineNum"> 115</span> :<span class="tlaUNC tlaBgUNC"> 0 : *indices[0] = SECBOOT_TPMNV_VARS_INDEX;</span></span> |
| <span id="L116"><span class="lineNum"> 116</span> :<span class="tlaUNC"> 0 : (*count)++;</span></span> |
| <span id="L117"><span class="lineNum"> 117</span> : : }</span> |
| <span id="L118"><span class="lineNum"> 118</span> :<span class="tlaGNC tlaBgGNC"> 1 : if (fakenv.defined[1]) {</span></span> |
| <span id="L119"><span class="lineNum"> 119</span> :<span class="tlaUNC tlaBgUNC"> 0 : *indices[1] = SECBOOT_TPMNV_CONTROL_INDEX;</span></span> |
| <span id="L120"><span class="lineNum"> 120</span> :<span class="tlaUNC"> 0 : (*count)++;</span></span> |
| <span id="L121"><span class="lineNum"> 121</span> : : }</span> |
| <span id="L122"><span class="lineNum"> 122</span> : : </span> |
| <span id="L123"><span class="lineNum"> 123</span> :<span class="tlaGNC tlaBgGNC"> 1 : return 0;</span></span> |
| <span id="L124"><span class="lineNum"> 124</span> : : }</span> |
| <span id="L125"><span class="lineNum"> 125</span> : : </span> |
| <span id="L126"><span class="lineNum"> 126</span> :<span class="tlaUNC tlaBgUNC"> 0 : static int fakenv_undefinespace(TPMI_RH_NV_INDEX index)</span></span> |
| <span id="L127"><span class="lineNum"> 127</span> : : {</span> |
| <span id="L128"><span class="lineNum"> 128</span> :<span class="tlaUNC"> 0 : if (tpm_init())</span></span> |
| <span id="L129"><span class="lineNum"> 129</span> :<span class="tlaUNC"> 0 : return OPAL_INTERNAL_ERROR;</span></span> |
| <span id="L130"><span class="lineNum"> 130</span> : : </span> |
| <span id="L131"><span class="lineNum"> 131</span> :<span class="tlaUNC"> 0 : switch (index) {</span></span> |
| <span id="L132"><span class="lineNum"> 132</span> :<span class="tlaUNC"> 0 : case SECBOOT_TPMNV_VARS_INDEX:</span></span> |
| <span id="L133"><span class="lineNum"> 133</span> :<span class="tlaUNC"> 0 : fakenv.defined[0] = 0;</span></span> |
| <span id="L134"><span class="lineNum"> 134</span> :<span class="tlaUNC"> 0 : memset(&fakenv.vars, 0, sizeof(fakenv.vars));</span></span> |
| <span id="L135"><span class="lineNum"> 135</span> :<span class="tlaUNC"> 0 : return 0;</span></span> |
| <span id="L136"><span class="lineNum"> 136</span> :<span class="tlaUNC"> 0 : case SECBOOT_TPMNV_CONTROL_INDEX:</span></span> |
| <span id="L137"><span class="lineNum"> 137</span> :<span class="tlaUNC"> 0 : fakenv.defined[1] = 0;</span></span> |
| <span id="L138"><span class="lineNum"> 138</span> :<span class="tlaUNC"> 0 : memset(&fakenv.control, 0, sizeof(fakenv.control));</span></span> |
| <span id="L139"><span class="lineNum"> 139</span> :<span class="tlaUNC"> 0 : return 0;</span></span> |
| <span id="L140"><span class="lineNum"> 140</span> : : }</span> |
| <span id="L141"><span class="lineNum"> 141</span> : : </span> |
| <span id="L142"><span class="lineNum"> 142</span> :<span class="tlaUNC"> 0 : return -1;</span></span> |
| <span id="L143"><span class="lineNum"> 143</span> : : }</span> |
| <span id="L144"><span class="lineNum"> 144</span> : : </span> |
| <span id="L145"><span class="lineNum"> 145</span> :<span class="tlaUNC"> 0 : static int fakenv_readpublic(TPMI_RH_NV_INDEX index, TPMS_NV_PUBLIC *nv_public,</span></span> |
| <span id="L146"><span class="lineNum"> 146</span> : : TPM2B_NAME *nv_name)</span> |
| <span id="L147"><span class="lineNum"> 147</span> : : {</span> |
| <span id="L148"><span class="lineNum"> 148</span> :<span class="tlaUNC"> 0 : if (tpm_init())</span></span> |
| <span id="L149"><span class="lineNum"> 149</span> :<span class="tlaUNC"> 0 : return OPAL_INTERNAL_ERROR;</span></span> |
| <span id="L150"><span class="lineNum"> 150</span> : : </span> |
| <span id="L151"><span class="lineNum"> 151</span> : : (void) nv_public;</span> |
| <span id="L152"><span class="lineNum"> 152</span> : : </span> |
| <span id="L153"><span class="lineNum"> 153</span> :<span class="tlaUNC"> 0 : switch (index) {</span></span> |
| <span id="L154"><span class="lineNum"> 154</span> :<span class="tlaUNC"> 0 : case SECBOOT_TPMNV_VARS_INDEX:</span></span> |
| <span id="L155"><span class="lineNum"> 155</span> :<span class="tlaUNC"> 0 : memcpy(&nv_name->t.name, tpmnv_vars_name, sizeof(tpmnv_vars_name));</span></span> |
| <span id="L156"><span class="lineNum"> 156</span> :<span class="tlaUNC"> 0 : break;</span></span> |
| <span id="L157"><span class="lineNum"> 157</span> :<span class="tlaUNC"> 0 : case SECBOOT_TPMNV_CONTROL_INDEX:</span></span> |
| <span id="L158"><span class="lineNum"> 158</span> :<span class="tlaUNC"> 0 : memcpy(&nv_name->t.name, tpmnv_control_name, sizeof(tpmnv_control_name));</span></span> |
| <span id="L159"><span class="lineNum"> 159</span> :<span class="tlaUNC"> 0 : break;</span></span> |
| <span id="L160"><span class="lineNum"> 160</span> :<span class="tlaUNC"> 0 : default:</span></span> |
| <span id="L161"><span class="lineNum"> 161</span> :<span class="tlaUNC"> 0 : return OPAL_INTERNAL_ERROR;</span></span> |
| <span id="L162"><span class="lineNum"> 162</span> : : }</span> |
| <span id="L163"><span class="lineNum"> 163</span> : : </span> |
| <span id="L164"><span class="lineNum"> 164</span> :<span class="tlaUNC"> 0 : return 0;</span></span> |
| <span id="L165"><span class="lineNum"> 165</span> : : }</span> |
| <span id="L166"><span class="lineNum"> 166</span> : : </span> |
| <span id="L167"><span class="lineNum"> 167</span> : : struct tpmnv_ops_s tpmnv_ops = {</span> |
| <span id="L168"><span class="lineNum"> 168</span> : : .read = fakenv_read,</span> |
| <span id="L169"><span class="lineNum"> 169</span> : : .write = fakenv_write,</span> |
| <span id="L170"><span class="lineNum"> 170</span> : : .writelock = fakenv_writelock,</span> |
| <span id="L171"><span class="lineNum"> 171</span> : : .definespace = fakenv_definespace,</span> |
| <span id="L172"><span class="lineNum"> 172</span> : : .getindices = fakenv_get_defined_indices,</span> |
| <span id="L173"><span class="lineNum"> 173</span> : : .undefinespace = fakenv_undefinespace,</span> |
| <span id="L174"><span class="lineNum"> 174</span> : : .readpublic = fakenv_readpublic,</span> |
| <span id="L175"><span class="lineNum"> 175</span> : : };</span> |
| </pre> |
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| <tr><td class="versionInfo">Generated by: <a href="https://github.com//linux-test-project/lcov" target="_parent">LCOV version 2.0-1</a></td></tr> |
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