From owner-svn-src-head@FreeBSD.ORG  Fri Sep  6 05:55:43 2013
Return-Path: <owner-svn-src-head@FreeBSD.ORG>
Delivered-To: svn-src-head@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTP id B29FFA0A;
 Fri,  6 Sep 2013 05:55:43 +0000 (UTC)
 (envelope-from grehan@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org
 [IPv6:2001:1900:2254:2068::e6a:0])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (No client certificate requested)
 by mx1.freebsd.org (Postfix) with ESMTPS id A006F27ED;
 Fri,  6 Sep 2013 05:55:43 +0000 (UTC)
Received: from svn.freebsd.org ([127.0.1.70])
 by svn.freebsd.org (8.14.7/8.14.7) with ESMTP id r865thDI024571;
 Fri, 6 Sep 2013 05:55:43 GMT (envelope-from grehan@svn.freebsd.org)
Received: (from grehan@localhost)
 by svn.freebsd.org (8.14.7/8.14.5/Submit) id r865thPS024570;
 Fri, 6 Sep 2013 05:55:43 GMT (envelope-from grehan@svn.freebsd.org)
Message-Id: <201309060555.r865thPS024570@svn.freebsd.org>
From: Peter Grehan <grehan@FreeBSD.org>
Date: Fri, 6 Sep 2013 05:55:43 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: svn commit: r255292 - head/usr.sbin/bhyve
X-SVN-Group: head
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
X-BeenThere: svn-src-head@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
List-Id: SVN commit messages for the src tree for head/-current
 <svn-src-head.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-head>
List-Post: <mailto:svn-src-head@freebsd.org>
List-Help: <mailto:svn-src-head-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 06 Sep 2013 05:55:43 -0000

Author: grehan
Date: Fri Sep  6 05:55:43 2013
New Revision: 255292
URL: http://svnweb.freebsd.org/changeset/base/255292

Log:
  Allow level-triggered interrupt sources. While this isn't
  precisely emulated, it is good enough for the single consumer
  i.e. irq4, the serial port on Linux.

Modified:
  head/usr.sbin/bhyve/ioapic.c

Modified: head/usr.sbin/bhyve/ioapic.c
==============================================================================
--- head/usr.sbin/bhyve/ioapic.c	Fri Sep  6 05:55:02 2013	(r255291)
+++ head/usr.sbin/bhyve/ioapic.c	Fri Sep  6 05:55:43 2013	(r255292)
@@ -101,13 +101,13 @@ ioapic_set_pinstate(struct vmctx *ctx, i
 	 * XXX
 	 * We only deal with:
 	 * - edge triggered interrupts
-	 * - physical destination mode
 	 * - fixed delivery mode
+	 *  Level-triggered sources will work so long as their is
+	 * no sharing.
 	 */
 	low = ioapic->redtbl[pin];
 	high = ioapic->redtbl[pin] >> 32;
 	if ((low & IOART_INTMASK) == IOART_INTMCLR &&
-	    (low & IOART_TRGRMOD) == IOART_TRGREDG &&
 	    (low & IOART_DESTMOD) == IOART_DESTPHY &&
 	    (low & IOART_DELMOD) == IOART_DELFIXED) {
 		vector = low & IOART_INTVEC;