From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753732Ab0LGL3k (ORCPT ); Tue, 7 Dec 2010 06:29:40 -0500 Received: from web31702.mail.mud.yahoo.com ([68.142.201.182]:46004 "HELO web31702.mail.mud.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1753105Ab0LGL3j convert rfc822-to-8bit (ORCPT ); Tue, 7 Dec 2010 06:29:39 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=ZOhZofNd5ZT5aeAheHMp8zuKZoigcGtgibfX62Q7IGys7Vw+H60fMsOiZOrx1gq3/ZmtTyi3IqGlCV06HuUfeQnkm2DdEy8j8ONZbJLChX/OUBFjrAyUeQ40j8zIw/hEDKW1d8obSH/vLAQ/qMbxYfNzR//lIEhiNpzJPK4AAHE=; Message-ID: <712019.56679.qm@web31702.mail.mud.yahoo.com> X-YMail-OSG: F4UawI0VM1lhC9zOfP_PgKJ8hYaDHo1d4xEElQD.9PqqzLy IMR5yuk68RPv5h6qZ_3go6QJWvYDc1N_JfKMsGPqpTzDY4kBOEKnswzDRtfw _S7Bq.XRcAvwlRTj6b_BGtJJK7EIzhfflcYJfEBWkLJ3MyPWVzdgX1abI2zJ tyiiLw.PllgiHthOk2HV3iy_yuoqdjDk4kWez5vrCdVNhlLqb6jeb243mSVm lu0lYgq2oteC8cObqHPOStTub7MVLoHXWC.lU3BSq6mEG.O_Yljbfe1ZoFQV _Z8I35PB_h_YQdbOM9_KS9BMmNT0bkPWijUeVS3.HISwEiZh.b70T7G7eXjK 7L1FZ X-Mailer: YahooMailRC/553 YahooMailWebService/0.8.107.285259 Date: Tue, 7 Dec 2010 03:29:37 -0800 (PST) From: Sanka Piyaratna Subject: Posted Write onto a PCI end point device using Linux To: linux-kernel@vger.kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, I am wondering whether it is possible to issue a posted write using the host computer's root complex towards an PCI express end point. I have done this using DMA in the past. However, if posted writes are possible that would save a lot of time and effort and would be quicker too. Thanks, Sanka