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From: Alexander Motin <mav@FreeBSD.org>
Date: Mon, 15 Feb 2010 16:41:30 +0000 (UTC)
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Subject: svn commit: r203928 - stable/8/share/man/man4
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Author: mav
Date: Mon Feb 15 16:41:30 2010
New Revision: 203928
URL: http://svn.freebsd.org/changeset/base/203928

Log:
  MFC r203124:
  Note added FIS-based switching support.

Modified:
  stable/8/share/man/man4/ahci.4
Directory Properties:
  stable/8/share/man/man4/   (props changed)

Modified: stable/8/share/man/man4/ahci.4
==============================================================================
--- stable/8/share/man/man4/ahci.4	Mon Feb 15 15:19:15 2010	(r203927)
+++ stable/8/share/man/man4/ahci.4	Mon Feb 15 16:41:30 2010	(r203928)
@@ -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 ,