From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: [PATCH v5 05/21] libnvdimm: control (ioctl) messages for libnvdimm bus and dimm devices Date: Tue, 9 Jun 2015 08:34:18 +0200 Message-ID: <20150609063418.GB9804@lst.de> References: <20150602001134.4506.45867.stgit@dwillia2-desk3.amr.corp.intel.com> <20150602001435.4506.42614.stgit@dwillia2-desk3.amr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20150602001435.4506.42614.stgit-p8uTFz9XbKj2zm6wflaqv1nYeNYlB/vhral2JQCrhuEAvxtiuMwx3w@public.gmane.org> Sender: linux-api-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Dan Williams Cc: linux-nvdimm-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org, axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org, sfr-3FnU+UHB4dNDw9hX6IcOSA@public.gmane.org, rafael-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, neilb-l3A5Bk7waGM@public.gmane.org, gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, mingo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, jmoyer-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org, hch-jcswGhMUV9g@public.gmane.org List-Id: linux-api@vger.kernel.org On Mon, Jun 01, 2015 at 08:14:35PM -0400, Dan Williams wrote: > Most discovery/configuration of the libnvdimm-subsystem is done via > sysfs attributes. However, some libnvdimm buses, particularly the > ACPI.NFIT bus, define a small set of messages that can be passed to the > platform. For convenience we derive the initial libnvdimm-ioctl command > formats directly from the NFIT DSM Interface Example formats. Why not merge these into the extensive sysfs interface?