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<p class="MsoNormal"><span style="color:#1F497D">Hello Alex,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Thank you for your answer.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">I see that the driver has a readily implemented
</span><span style="font-family:"Verdana","sans-serif";color:#010001;background:white;mso-highlight:white">NVMePreparePRPs</span><span style="font-family:"Verdana","sans-serif";color:#010001">(…)</span><span style="color:#1F497D"> so adding an extra command
shouldn’t be an issue.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">I might need this feature in order to prevent the StorPort driver from dividing the request into smaller SRBs (debug purposes).<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Thank you, <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:14.0pt;color:#1F497D">Sagi Bar</span></b><b><span style="color:#1F497D"><br>
Test & Tools Staff FW Engineer<br>
</span></b><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D"><img width="61" height="12" id="_x0000_i1027" src="cid:image001.png@01CFA742.6AA852D0" alt="cid:image001.png@01CEA3CD.FE1957E0"><br>
</span><span style="color:#7F7F7F">7 Atir Yeda St, Kfar – Saba 44425, Israel<br>
<br>
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><a href="mailto:sagi.bar@SanDisk.com">sagi.bar@SanDisk.com</a><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Alex Chang [mailto:Alex.Chang@pmcs.com]
<br>
<b>Sent:</b> Wednesday, July 23, 2014 2:35 AM<br>
<b>To:</b> Sagi Bar; nvmewin@lists.openfabrics.org<br>
<b>Cc:</b> Roman Goldshtein<br>
<b>Subject:</b> RE: [nvmewin] Implementing a debug purpose Read/Write using IOCTL_SCSI_MINIPORT<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Hi Sagi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Yes, you’re right that it’s due to security reasons and, in addition, you may access the associated storage as a physical or formatted drive with Windows supported APIs for your debugging purposes, like IOMeter
does.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Alex<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">
<a href="mailto:nvmewin-bounces@lists.openfabrics.org">nvmewin-bounces@lists.openfabrics.org</a> [<a href="mailto:nvmewin-bounces@lists.openfabrics.org">mailto:nvmewin-bounces@lists.openfabrics.org</a>]
<b>On Behalf Of </b>Sagi Bar<br>
<b>Sent:</b> Tuesday, July 22, 2014 5:21 AM<br>
<b>To:</b> <a href="mailto:nvmewin@lists.openfabrics.org">nvmewin@lists.openfabrics.org</a><br>
<b>Cc:</b> Roman Goldshtein<br>
<b>Subject:</b> [nvmewin] Implementing a debug purpose Read/Write using IOCTL_SCSI_MINIPORT<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Hello Guys,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">I would like to implement a debug purpose flow of performing NVME disk IO bypassing the StorPort under Windows 8.1.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">I thought about implementing it using “IOCTL_SCSI_MINIPORT” on host side and adding code under “</span><span style="font-family:"Verdana","sans-serif";color:#010001;background:white;mso-highlight:white">NVM_WRITE</span><span style="font-family:"Verdana","sans-serif";color:#010001">/<span style="background:white;mso-highlight:white">
NVM_</span>READ” </span><span style="color:#1F497D">on the target side.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">I wonder whether anyone here has done it before and can share insights.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Moreover, Is there any particular reason why NVME READ/WRITE commands are not implanted via IOCTL interface, except security ?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Thank you,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:14.0pt;color:#1F497D">Sagi Bar</span><span style="color:#1F497D"><br>
Test & Tools Staff FW Engineer<br>
</span></b><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D"><img border="0" width="61" height="12" id="Picture_x0020_1" src="cid:image001.png@01CFA742.6AA852D0" alt="cid:image001.png@01CEA3CD.FE1957E0"><br>
</span><span style="color:#7F7F7F">7 Atir Yeda St, Kfar – Saba 44425, Israel<br>
</span><span style="color:#1F497D"><a href="mailto:sagi.bar@SanDisk.com">sagi.bar@SanDisk.com</a></span><span style="color:#7F7F7F"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><o:p> </o:p></span></p>
<div class="MsoNormal" align="center" style="text-align:center"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">
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