svn commit: r46962 - head/en_US.ISO8859-1/htdocs/news/status

Warren Block <[email protected]>
Newsgroups gmane.os.freebsd.devel.cvs.doc
Message-ID <[email protected]>
Author: wblock
Date: Tue Jul 14 06:07:14 2015
New Revision: 46962
URL: https://svnweb.freebsd.org/changeset/doc/46962

Log:
  Add John-Mark Gurney <[email protected]>'s report on PCIe hot-plug.

Modified:
  head/en_US.ISO8859-1/htdocs/news/status/report-2015-04-2015-06.xml

Modified: head/en_US.ISO8859-1/htdocs/news/status/report-2015-04-2015-06.xml
==============================================================================
--- head/en_US.ISO8859-1/htdocs/news/status/report-2015-04-2015-06.xml	Mon Jul 13 15:52:55 2015	(r46961)
+++ head/en_US.ISO8859-1/htdocs/news/status/report-2015-04-2015-06.xml	Tue Jul 14 06:07:14 2015	(r46962)
@@ -654,4 +654,131 @@
       The &os; Foundation
     </sponsor>
   </project>
+
+  <project cat='misc'>
+    <title>BSDCan 2015</title>
+
+    <contact>
+      <person>
+	<name>
+	  <given>Dan</given>
+	  <common>Langille</common>
+	</name>
+	<email>[email protected]</email>
+      </person>
+    </contact>
+
+    <links>
+      <url href="http://www.bsdcan.org/2015/" />
+      <url href="https://www.youtube.com/playlist?list=PLWW0CjV-TafY0NqFDvD4k31CtnX-CGn8f" />
+    </links>
+
+    <body>
+      <p>BSDCan, a conference for people working on and with
+	4.4BSD-based operating systems and related projects, was held
+	in Ottawa, Ontario on June 12 and 13.  A two-day &os;
+	developer summit event preceded it on June 10 and 11.</p>
+
+      <p>This was the largest BSDCan ever, with over 280 attendees, up
+	by more than 40 people over the 2014 event.  There were a
+	record number of speakers and talks.  An additional room and
+	"track" was added to provide even more choices for concurrent
+	talks on both days of the conference.  Social media response
+	to the whole conference has been very positive.</p>
+
+      <p>The keynote talk by Stephen Bourne was very popular.  So
+	popular, in fact, that the main conference room could not hold
+	all the attendees.  An overflow room with live video was set
+	up to hold the extra people.  The
+	<a href="https://www.youtube.com/watch?v=2kEJoWfobpA">video</a>
+	of the presentation has had over 6300 views in the first
+	twelve days.</p>
+
+      <p>Andrew Tanenbaum's talk on
+	<a href="https://www.youtube.com/watch?v=0pebP891V0c">reimplementing NetBSD using a MicroKernel</a>
+	was so well-attended it was standing room only.</p>
+
+      <p>There were many other excellent talks, and we recommend
+	browsing through the playlist in the links above.</p>
+
+      <p>Activity was not limited to the talks.  Each night, the
+	"Hacker Lounge" was used by developers to cooperate and
+	interact on projects.  Embedded projects were popular this
+	year, as FreeBSD was installed directly on wireless
+	routers.</p>
+
+      <p>The very successful and well-attended closing event, held
+	at the Lowerton Brewery, provided an elegant closure to the
+	whole conference.</p>
+
+      <p>We would like to thank everyone who made BSDCan 2015 such a
+	success, and look forward to next year!</p>
+    </body>
+  </project>
+
+  <project cat='kern'>
+    <title>Adding PCIe Hot-plug Support</title>
+
+    <contact>
+      <person>
+	<name>
+	  <given>John-Mark</given>
+	  <common>Gurney</common>
+	</name>
+	<email>[email protected]</email>
+      </person>
+    </contact>
+
+    <links>
+      <url href="http://p4db.freebsd.org/depotTreeBrowser.cgi?FSPC=//depot/projects/pciehotplug">PCIe Hot-plug P4 Branch</url>
+      <url href="https://svnweb.freebsd.org/changeset/base/r281874">Commit adding bridge save/restore.</url>
+      <url href="https://github.com/FreeBSDFoundation/freebsd/tree/pciehp">Github branch with patches</url>
+    </links>
+
+    <body>
+      <p>PCI Express (PCIe) hot-plug is used on both laptops and
+	servers to allow peripheral devices to be added or removed
+	while the system is running.  Laptops commonly include a
+	hot-pluggable PCIe as either an ExpressCard slot or
+	Thunderbolt interface.  ExpressCard has built in USB support
+	that is already supported by &os;, but ExpressCard PCIe
+	devices like Gigabit Ethernet adapters and eSATA cards are
+	only supported when they are present at boot, and removal may
+	cause &os; to crash.</p>
+
+      <p>The goal of this project is to allow these devices to be
+	inserted and removed while &os; is running.  The work will
+	provide the basic infrastructure to support adding and
+	removing devices, though it is expected that additional work
+	will be needed to update individual drivers to support
+	hot-plug.</p>
+
+      <p>Current testing is focused on getting a simple UART device
+	functional.  Basic hot swap is functional.</p>
+
+      <p>A set of the patches is now available on github.com.</p>
+    </body>
+
+    <sponsor>
+      The FreeBSD Foundation
+    </sponsor>
+
+    <help>
+      <task>
+	<p>Get suspend/resume functional by save/restoring necessary
+	  registers.  This should be addressed by r281874.</p>
+      </task>
+
+      <task>
+	<p>Make sure that upon suspend, devices are removed so we
+	  are not fooled if they are replaced while the machine is
+	  suspended.</p>
+      </task>
+
+      <task>
+	<p>Improve how state transitions are handled, possibly by
+	  using a proper state machine.</p>
+      </task>
+    </help>
+  </project>
 </report>
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