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<DIV><SPAN class=972294718-13022008><FONT face=Arial color=#0000ff size=2>It's a
port from Linux. In the first revision it won't support
MSI-X.</FONT></SPAN></DIV><BR>
<BLOCKQUOTE dir=ltr
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px solid; MARGIN-RIGHT: 0px">
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> Fab Tillier
[mailto:ftillier@windows.microsoft.com] <BR><B>Sent:</B> Wednesday, February
13, 2008 7:02 PM<BR><B>To:</B> Leonid Keller;
ofw@lists.openfabrics.org<BR><B>Cc:</B> Alex Naslednikov<BR><B>Subject:</B>
RE: Porting OFA stack to WDK<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV class=Section1>
<P class=MsoNormal><SPAN style="FONT-SIZE: 11pt; FONT-FAMILY: " color:#1F497D?
Calibri?,?sans-serif?;>Hi Leonid,<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN style="FONT-SIZE: 11pt; FONT-FAMILY: " color:#1F497D?
Calibri?,?sans-serif?;><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN style="FONT-SIZE: 11pt; FONT-FAMILY: " color:#1F497D?
Calibri?,?sans-serif?;>Is the new ConnectX driver a port from Linux or is it a
ground-up Windows driver? Will it support MSI-X?<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN style="FONT-SIZE: 11pt; FONT-FAMILY: " color:#1F497D?
Calibri?,?sans-serif?;><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN style="FONT-SIZE: 11pt; FONT-FAMILY: " color:#1F497D?
Calibri?,?sans-serif?;>-Fab<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN style="FONT-SIZE: 11pt; FONT-FAMILY: " color:#1F497D?
Calibri?,?sans-serif?;><o:p> </o:p></SPAN></P>
<DIV>
<DIV
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: #b5c4df 1pt solid; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; PADDING-TOP: 3pt; BORDER-BOTTOM: medium none">
<P class=MsoNormal><B><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: "
Tahoma?,?sans-serif??>From:</SPAN></B><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: " Tahoma?,?sans-serif??>
ofw-bounces@lists.openfabrics.org [mailto:ofw-bounces@lists.openfabrics.org]
<B>On Behalf Of </B>Leonid Keller<BR><B>Sent:</B> Wednesday, February 13, 2008
1:45 AM<BR><B>To:</B> ofw@lists.openfabrics.org<BR><B>Cc:</B> Alex
Naslednikov<BR><B>Subject:</B> [ofw] Porting OFA stack to
WDK<o:p></o:p></SPAN></P></DIV></DIV>
<P class=MsoNormal><o:p> </o:p></P>
<DIV>
<P class=MsoNormal><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: "
Arial?,?sans-serif??>The new ConnectX driver is being developed in WDF
environment and requires WDK tools for its build.</SPAN><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal> <o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: "
Arial?,?sans-serif??>While trying to build OFA stack in WDK environment i've
come across a __ptr64 problem.</SPAN><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: "
Arial?,?sans-serif??>This attribute causes the WDK compiler crash in
checked x86 environment.</SPAN><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: "
Arial?,?sans-serif??>Instead of searching some workaround, i'm going to
perform the following "drastic" solution:</SPAN><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal> <SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: " Arial?,?sans-serif??>- remove __ptr64
attribute from all the functions of the stack;</SPAN><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal> <SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: " Arial?,?sans-serif??>- remove __ptr64
attribute from all the structures except the Ioctl
ones;</SPAN><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal> <SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: " Arial?,?sans-serif??>- use PtrToPtr64
function while the assignment of __ptr64 Ioctl fields (only in user
space);</SPAN><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal> <SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: " Arial?,?sans-serif??>- remove
unnecessary castings, related to __ptr64 attriubute all over the code, if
any;</SPAN><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal> <o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: "
Arial?,?sans-serif??>The changes wrt ioctls will be committed separately to
facilitate the code review.</SPAN><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal> <o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: "
Arial?,?sans-serif??>Any comments/suggestions/objections
?</SPAN><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal> <o:p></o:p></P></DIV></DIV></BLOCKQUOTE></BODY></HTML>