Date: Thu, 28 Jan 2010 18:15:19 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r203124 - head/share/man/man4 Message-ID: <201001281815.o0SIFJLH015076@svn.freebsd.org>
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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 ,
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