From owner-freebsd-stable@FreeBSD.ORG Mon May 12 05:57:35 2008 Return-Path: Delivered-To: stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 973D91065673 for ; Mon, 12 May 2008 05:57:35 +0000 (UTC) (envelope-from bu7cher@yandex.ru) Received: from smtp8.yandex.ru (smtp8.yandex.ru [213.180.200.213]) by mx1.freebsd.org (Postfix) with ESMTP id DD6648FC18 for ; Mon, 12 May 2008 05:57:34 +0000 (UTC) (envelope-from bu7cher@yandex.ru) Received: from ns.kirov.so-cdu.ru ([77.72.136.145]:15056 "EHLO [127.0.0.1]" smtp-auth: "bu7cher" TLS-CIPHER: "DHE-RSA-AES256-SHA keybits 256/256 version TLSv1/SSLv3" TLS-PEER-CN1: ) by mail.yandex.ru with ESMTP id S7455966AbYELF1R (ORCPT ); Mon, 12 May 2008 09:27:17 +0400 X-Yandex-Spam: 1 X-Yandex-Front: smtp8 X-Yandex-TimeMark: 1210570037 X-MsgDayCount: 9 X-Comment: RFC 2476 MSA function at smtp8.yandex.ru logged sender identity as: bu7cher Message-ID: <4827D531.7000603@yandex.ru> Date: Mon, 12 May 2008 09:27:13 +0400 From: "Andrey V. Elsukov" User-Agent: Mozilla Thunderbird 1.5 (FreeBSD/20051231) MIME-Version: 1.0 To: Jeremy Chadwick References: <29626.214.13.212.30.1210554531.squirrel@www.kc8onw.net> <20080512030647.GA93725@eos.sc1.parodius.com> In-Reply-To: <20080512030647.GA93725@eos.sc1.parodius.com> Content-Type: text/plain; charset=KOI8-R; format=flowed Content-Transfer-Encoding: 7bit Cc: stable@freebsd.org, jonathan@kc8onw.net, sos@FreeBSD.org Subject: Re: ATA APM and NCQ support in FreeBSD atacontrol X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 May 2008 05:57:35 -0000 Jeremy Chadwick wrote: > I believe NCQ is supported, assuming that your controller is operating > in AHCI mode and your disk supports NCQ. This mainly applies to Intel > ICHx controllers, but there are others which support it as well. > There's also NCQ support in non-AHCI drivers like hptmv(4), rr232x(4), > hptrr(4), and mpt(4) with SATA disks. No. ata(4) driver currently doesn't support/use NCQ. -- WBR, Andrey V. Elsukov