From owner-svn-src-all@FreeBSD.ORG  Thu Jan 28 18:15:19 2010
Return-Path: <owner-svn-src-all@FreeBSD.ORG>
Delivered-To: svn-src-all@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 9E820106566C;
	Thu, 28 Jan 2010 18:15:19 +0000 (UTC) (envelope-from mav@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c])
	by mx1.freebsd.org (Postfix) with ESMTP id 8DEBF8FC17;
	Thu, 28 Jan 2010 18:15:19 +0000 (UTC)
Received: from svn.freebsd.org (localhost [127.0.0.1])
	by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id o0SIFJAI015078;
	Thu, 28 Jan 2010 18:15:19 GMT (envelope-from mav@svn.freebsd.org)
Received: (from mav@localhost)
	by svn.freebsd.org (8.14.3/8.14.3/Submit) id o0SIFJLH015076;
	Thu, 28 Jan 2010 18:15:19 GMT (envelope-from mav@svn.freebsd.org)
Message-Id: <201001281815.o0SIFJLH015076@svn.freebsd.org>
From: Alexander Motin <mav@FreeBSD.org>
Date: Thu, 28 Jan 2010 18:15:19 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
	svn-src-head@freebsd.org
X-SVN-Group: head
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Cc: 
Subject: svn commit: r203124 - head/share/man/man4
X-BeenThere: svn-src-all@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: "SVN commit messages for the entire src tree \(except for &quot;
	user&quot; and &quot; projects&quot; \)" <svn-src-all.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>,
	<mailto:svn-src-all-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-all>
List-Post: <mailto:svn-src-all@freebsd.org>
List-Help: <mailto:svn-src-all-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>,
	<mailto:svn-src-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 28 Jan 2010 18:15:19 -0000

Author: mav
Date: Thu Jan 28 18:15:19 2010
New Revision: 203124
URL: http://svn.freebsd.org/changeset/base/203124

Log:
  Note added FIS-based switching support.

Modified:
  head/share/man/man4/ahci.4

Modified: head/share/man/man4/ahci.4
==============================================================================
--- head/share/man/man4/ahci.4	Thu Jan 28 17:54:47 2010	(r203123)
+++ head/share/man/man4/ahci.4	Thu Jan 28 18:15:19 2010	(r203124)
@@ -25,7 +25,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd August 24, 2009
+.Dd January 28, 2010
 .Dt AHCI 4
 .Os
 .Sh NAME
@@ -114,14 +114,11 @@ ATAPI devices are handled by the SCSI pr
 etc.
 .Pp
 Driver features include support for Serial ATA and ATAPI devices,
-Port Multipliers, hardware command queues (up to 32 commands per port),
+Port Multipliers (including FIS-based switching, when supported),
+hardware command queues (up to 32 commands per port),
 Native Command Queuing, SATA interface Power Management, device hot-plug
 and Message Signaled Interrupts.
 .Pp
-The Port Multiplier FIS Based Switching feature added in the AHCI 1.2
-specification, which is required for effective parallel operation of devices
-behind Port Multipliers, is not yet supported.
-.Pp
 AHCI hardware is also supported by ataahci driver from
 .Xr ata 4
 subsystem. If both drivers are loaded at the same time, this one will be
@@ -131,6 +128,10 @@ The
 .Nm
 driver supports AHCI compatible controllers having PCI class 1 (mass storage),
 subclass 6 (SATA) and programming interface 1 (AHCI).
+.Pp
+Also, in cooperation with atamarvell and atajmicron drivers of ata(4),
+it supports AHCI part of legacy-PATA + AHCI-SATA combined controllers,
+such as JMicron JMB36x and Marvell 88SX61xx.
 .Sh SEE ALSO
 .Xr ada 4 ,
 .Xr cd 4 ,