From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sfi-mx-4.v28.ch3.sourceforge.com ([172.29.28.124] helo=mx.sourceforge.net) by h25xhf1.ch3.sourceforge.com with esmtp (Exim 4.69) (envelope-from ) id 1LzVsT-0003cZ-Na for user-mode-linux-devel@lists.sourceforge.net; Thu, 30 Apr 2009 13:00:37 +0000 Received: from mail-bw0-f222.google.com ([209.85.218.222]) by 1b2kzd1.ch3.sourceforge.com with esmtp (Exim 4.69) id 1LzVsI-0008U3-NI for user-mode-linux-devel@lists.sourceforge.net; Thu, 30 Apr 2009 13:00:27 +0000 Received: by bwz22 with SMTP id 22so1798343bwz.10 for ; Thu, 30 Apr 2009 06:00:24 -0700 (PDT) MIME-Version: 1.0 From: Shlomo Pongratz Date: Thu, 30 Apr 2009 16:00:04 +0300 Message-ID: <88ea9a580904300600p35dae66ake68916536ed9b472@mail.gmail.com> Subject: [uml-devel] Use iomem for cluster interconnect List-Id: The user-mode Linux development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============2491788047779438331==" Errors-To: user-mode-linux-devel-bounces@lists.sourceforge.net To: user-mode-linux-devel@lists.sourceforge.net --===============2491788047779438331== Content-Type: multipart/alternative; boundary=001636c5ac7a7e341f0468c5470d --001636c5ac7a7e341f0468c5470d Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Hi All, In Jeff Dike's book User Mode Linux it is mentioned in page 247 that iomem driver "is mostly used for writing emulated drivers and cluster interconnect". Did anyone encountered an example of one of these usages? Except for the obvious demo driver mmapper_kern.c I'm trying to emulate two boards connected via PCIe (one is of course root complex and the other is an endpoint). Thus iomem seems the obvious solution. I'm also interested with simulating PCIe doorbell interrupt from one simulated board to the other. Best regards, S.P. --001636c5ac7a7e341f0468c5470d Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
Hi All,

In Jeff Dike's book User Mode Linux it = is mentioned in page 247 that iomem driver "is mostly used for writing emulated driver= s and cluster interconnect".
Did anyone encountered an example of one= of these usages? Except for the obvious demo driver mmapper_kern.c
I'm trying to emulate two boards connected via PCIe (one is of course r= oot complex and the other is an endpoint). Thus iomem seems the obvious sol= ution.
I'm also interested with simulating PCIe doorbell interrupt f= rom one simulated board to the other.

Best regards,
=A0
S.P.
--001636c5ac7a7e341f0468c5470d-- --===============2491788047779438331== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline ------------------------------------------------------------------------------ Register Now & Save for Velocity, the Web Performance & Operations Conference from O'Reilly Media. Velocity features a full day of expert-led, hands-on workshops and two days of sessions from industry leaders in dedicated Performance & Operations tracks. Use code vel09scf and Save an extra 15% before 5/3. http://p.sf.net/sfu/velocityconf --===============2491788047779438331== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel --===============2491788047779438331==--