Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757664AbWK2Msv (ORCPT ); Wed, 29 Nov 2006 07:48:51 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757680AbWK2Msv (ORCPT ); Wed, 29 Nov 2006 07:48:51 -0500 Received: from mtagate6.de.ibm.com ([195.212.29.155]:3925 "EHLO mtagate6.de.ibm.com") by vger.kernel.org with ESMTP id S1757664AbWK2Msu (ORCPT ); Wed, 29 Nov 2006 07:48:50 -0500 Date: Wed, 29 Nov 2006 13:49:27 +0100 From: Cornelia Huck To: Andrew Morton Cc: Martin Schwidefsky , linux-kernel Subject: [Patch -mm 2/2] s390: Update cio documentation. Message-ID: <20061129134927.4daaa5c9@gondolin.boeblingen.de.ibm.com> X-Mailer: Sylpheed-Claws 2.6.0 (GTK+ 2.8.20; i486-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1426 Lines: 36 From: Cornelia Huck Update documentation for dynamic subchannel mapping. Signed-off-by: Cornelia Huck --- Documentation/s390/driver-model.txt | 7 +++++++ 1 files changed, 7 insertions(+) --- linux-2.6-CH.orig/Documentation/s390/driver-model.txt +++ linux-2.6-CH/Documentation/s390/driver-model.txt @@ -18,11 +18,18 @@ devices/ - 0.0.0002/ - 0.1.0000/0.1.1234/ ... + - defunct/ In this example, device 0815 is accessed via subchannel 0 in subchannel set 0, device 4711 via subchannel 1 in subchannel set 0, and subchannel 2 is a non-I/O subchannel. Device 1234 is accessed via subchannel 0 in subchannel set 1. +The subchannel named 'defunct' does not represent any real subchannel on the +system; it is a pseudo subchannel where disconnnected ccw devices are moved to +if they are displaced by another ccw device becoming operational on their +former subchannel. The ccw devices will be moved again to a proper subchannel +if they become operational again on that subchannel. + You should address a ccw device via its bus id (e.g. 0.0.4711); the device can be found under bus/ccw/devices/. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/