From owner-freebsd-current@FreeBSD.ORG Fri May 11 02:49:05 2007 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 33EDA16A400 for ; Fri, 11 May 2007 02:49:05 +0000 (UTC) (envelope-from rpaulo@fnop.net) Received: from core.fnop.net (mx.fnop.net [82.102.11.82]) by mx1.freebsd.org (Postfix) with ESMTP id A08B213C465 for ; Fri, 11 May 2007 02:49:04 +0000 (UTC) (envelope-from rpaulo@fnop.net) Received: from core.fnop.net (mx.fnop.net [82.102.11.82]) by core.fnop.net (Postfix) with ESMTP id F363F69092C for ; Fri, 11 May 2007 03:49:00 +0100 (WEST) Received: by core.fnop.net (Postfix, from userid 1015) id BFDB769095C; Fri, 11 May 2007 03:49:00 +0100 (WEST) X-Spam-Checker-Version: SpamAssassin 3.1.7 (2006-10-05) on core.fnop.net X-Spam-Level: X-Spam-Status: No, score=0.5 required=5.0 tests=AWL, BAYES_00, FORGED_RCVD_HELO, RCVD_IN_NJABL_DUL,RCVD_IN_SORBS_DUL autolearn=no version=3.1.7 Received: from epsilon.local.fnop.net (87-196-155-78.net.novis.pt [87.196.155.78]) by core.fnop.net (Postfix) with ESMTP id 97A0469092C for ; Fri, 11 May 2007 03:48:59 +0100 (WEST) Date: Fri, 11 May 2007 03:49:01 +0100 Message-ID: <86vef0oz1e.wl%rpaulo@fnop.net> From: Rui Paulo To: freebsd-current@freebsd.org In-Reply-To: <868xbwyu3i.wl%rpaulo@fnop.net> References: <20070511021015.GF21472@obelix.dsto.defence.gov.au> <868xbwyu3i.wl%rpaulo@fnop.net> User-Agent: Wanderlust/2.15.5 (Almost Unreal) Emacs/21.3 Mule/5.0 (SAKAKI) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII X-Virus-Scanned: ClamAV using ClamSMTP Subject: Re: Message Signalled Interrupts Question ... X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 11 May 2007 02:49:05 -0000 At Fri, 11 May 2007 03:25:37 +0100, Rui Paulo wrote: > > At Fri, 11 May 2007 10:10:15 +0800, > Wilkinson, Alex wrote: > > > > Howdy, > > > > How does one know whether their PCI device supports MSI > > and that FreeBSD is using MSI for this device ? > > You can boot with verbose mode on and the info will show up on dmesg. > > For example > found-> vendor=0x11ab, dev=0x4362, revid=0x22 > bus=1, slot=0, func=0 > class=02-00-00, hdrtype=0x00, mfdev=0 > cmdreg=0x0007, statreg=0x0010, cachelnsz=64 (dwords) > lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns) > intpin=a, irq=11 > powerspec 2 supports D0 D1 D2 D3 current D0 > MSI supports 2 messages, 64 bit Sorry, pciconf -lvc shows better information. For example, mskc0@pci1:0:0: class=0x020000 card=0x532111ab chip=0x436211ab rev=0x22 hdr=0x00 vendor = 'Marvell Semiconductor (Was: Galileo Technology Ltd)' device = 'Yukon 88E8053 PCI-E Gigabit Ethernet Controller (Copper)' class = network subclass = ethernet cap 01[48] = powerspec 2 supports D0 D1 D2 D3 current D0 cap 03[50] = VPD cap 05[5c] = MSI supports 2 messages, 64 bit cap 10[e0] = PCI-Express 1 legacy endpoint -- Rui Paulo