From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Tokarev Subject: sata_nv on MCP51: NCQ possible? Date: Thu, 15 Nov 2007 12:00:33 +0300 Message-ID: <473C0AB1.8050907@msgid.tls.msk.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from hobbit.corpit.ru ([81.13.94.6]:22366 "EHLO hobbit.corpit.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753344AbXKOJAf (ORCPT ); Thu, 15 Nov 2007 04:00:35 -0500 Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: linux-ide@vger.kernel.org While trying to test NCQ thing again, I come across a problem, it seems: the only hardware available for testing to me right now is an ASUS M2NPV-VM motherboard, which is based on Nvidia nForce 430/GeForce 6150. lspci shows this: 00:0f.0 IDE interface: nVidia Corporation MCP51 Serial ATA Controller (rev a1) I see no command queuing enabled by linux (queue depth: 0/32), and there's no way to enable it in sysfs, either. Looking at sources (sata_nv.c), it seems this chipset is marked as "GENERIC" with no ADMA/NCQ support - at least in 2.6.23 kernel. Does this chipset support ADMA/NCQ (just not supported in the driver), or am I out of luck with this testing? Thanks. /mjt