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<p class="MsoNormal">Is there a good spot in the NVMe driver to write to the registry via NVMeWriteRegistry() when all the initialization and internal variables are set?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">It seems like all initialization can end in NVMeInitialize() at the code:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">if</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> (pAE->ntldrDump == FALSE) {<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:green;background:white;mso-highlight:white">/* Enumerate granted MSI/MSI-X messages if there is any */</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">if</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> (NVMeEnumMsiMessages(pAE) == FALSE) {<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> NVMeFreeBuffers(pAE);<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">return</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> (FALSE);<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> }<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:green;background:white;mso-highlight:white">/* Call StorPortPassiveInitialization to enable passive init */</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> StorPortEnablePassiveInitialization(pAE, NVMePassiveInitialize);<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">return</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> (TRUE);</span><span style="font-size:9.5pt;font-family:Consolas;color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.5pt;font-family:Consolas;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.5pt;font-family:Consolas;color:black">and all the internal variables and tables are set in the driver at this point. However, if you wanted to write a value out to the registry before the return(), it will fail
here in NVMeInitialize().<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.5pt;font-family:Consolas;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:9.5pt;font-family:Consolas;color:black">BUT,
</span></b><span style="font-size:9.5pt;font-family:Consolas;color:black">NVMeWriteRegistry() will succeed if called within NVMeFindAdapter(). However, not all the important, internal variables are set yet in this function. For example,
</span><span style="font-size:9.5pt;font-family:Consolas;color:green;background:white;mso-highlight:white">pAE->ResMapTbl.NumMsiMsgGranted</span><span style="font-size:9.5pt;font-family:Consolas;color:green">
</span><span style="font-size:9.5pt;font-family:Consolas">is not set by the system at this point, which is something I care about.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.5pt;font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.5pt;font-family:Consolas">NVMeWriteRegistry() is using StorPortWriteRegistry(), and it seems to be finicky when you can actually successfully use it. Unfortunately it only returns TRUE or FALSE and gives no further
info what really failed and why, so I am not sure what is going on.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.5pt;font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.5pt;font-family:Consolas">Maybe someone might know? Thanks!</span><o:p></o:p></p>
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