From mboxrd@z Thu Jan 1 00:00:00 1970 From: Luben Tuikov Subject: PCI bus mastering: restrictions? Date: Wed, 19 Jun 2002 17:37:13 -0400 Sender: linux-scsi-owner@vger.kernel.org Message-ID: <3D10F989.9F51DA29@splentec.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: Received: from splentec.com (canoe.splentec.com [209.47.35.250]) by pepsi.splentec.com (8.11.6/8.11.0) with ESMTP id g5JLbAu13127 for ; Wed, 19 Jun 2002 17:37:10 -0400 List-Id: linux-scsi@vger.kernel.org To: linux-scsi Hello, What are the restrictions on PCI Bus Mastering? More specifically should each scatter-gather buffer length be multiple of 4 bytes or mutliple of 512 or the hw sector size of the device? TIA, -- Luben