From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 45F9C10E4; Fri, 16 Aug 2024 20:58:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.7 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723841928; cv=none; b=qdrSDthTRT0z6ck6WHBhysh9KxuW/IE7cQIOE1XEqDVigiTcyGolzM9rQQlpMjjOwfU7LkORpSz9dJbSZMZ5AB4gzaXaDiju8EO1a2mAioJqafO0K5IpNQGhpkERFYlKy/znLw3Bm0gv3euQpEyontC0KPy/QpBGUznlYYG/BQs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723841928; c=relaxed/simple; bh=prKEysYXyyWuDvDu9eJZ44qO6cHeJEujNjWHyFKJvT8=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=nFn7MNzNIQst6F7Tk+yZmgWPp2b/i07Kew+59CjplJe2UAiqyhLjQyBugTag1M4akc3Nw2q7rxlh1ikVo46x8cf0FBx3y5RJ4l3LM2PkSawOMz2qw4Tq17Xps5d67pRUiFuwl+Brwj713zl63nbFJmX1GFkCNhihU7Jtlfks7uo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=bakgKZfH; arc=none smtp.client-ip=192.198.163.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="bakgKZfH" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1723841927; x=1755377927; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=prKEysYXyyWuDvDu9eJZ44qO6cHeJEujNjWHyFKJvT8=; b=bakgKZfH3QD2r+QafOjSJ1lubuMHElZrnpDlAyEHMgR96rpgd8c2K1YZ Q2i3QcG8plMHBCF7BFhOpnlf2i+rL5nG46hLpTOBGICaCCnhUpY3qN8jL MWCDc4ZYRCBZCrdX9WRpdjaz6/TwgHrEqy+hph/cIfMpPWQ4D9ibb4yXJ xU7dGhgyakXCqm0UScnKROKGc8yjLgFizRV9OuoX6zkz36WfVBqlZDxpY QMdqMhFGuFLpEPcLad1fgOsDDG1lQzsfEXdbUFuJKEvV+bDQu06ix5AXJ PdpsRx/4HoxVPZji0W4xi8RvynSl9g6kRDakKsYUH2ePi1Rw860U9yySz A==; X-CSE-ConnectionGUID: zceVZwTFTG62FaHGnQzT3Q== X-CSE-MsgGUID: /V2I8uDuQMWlRbYUbOcbYw== X-IronPort-AV: E=McAfee;i="6700,10204,11166"; a="47552982" X-IronPort-AV: E=Sophos;i="6.10,152,1719903600"; d="scan'208";a="47552982" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Aug 2024 13:58:46 -0700 X-CSE-ConnectionGUID: KyEt2O1KTnaKwGbbUPz49Q== X-CSE-MsgGUID: nU4SDx70T0qy2MZzNo7IIg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,152,1719903600"; d="scan'208";a="64730816" Received: from unknown (HELO [10.125.111.71]) ([10.125.111.71]) by orviesa004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Aug 2024 13:58:45 -0700 Message-ID: Date: Fri, 16 Aug 2024 13:58:44 -0700 Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 03/25] dax: Document dax dev range tuple To: Ira Weiny , Fan Ni , Jonathan Cameron , Navneet Singh , Chris Mason , Josef Bacik , David Sterba , Petr Mladek , Steven Rostedt , Andy Shevchenko , Rasmus Villemoes , Sergey Senozhatsky , Jonathan Corbet , Andrew Morton Cc: Dan Williams , Davidlohr Bueso , Alison Schofield , Vishal Verma , linux-btrfs@vger.kernel.org, linux-cxl@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, nvdimm@lists.linux.dev References: <20240816-dcd-type2-upstream-v3-0-7c9b96cba6d7@intel.com> <20240816-dcd-type2-upstream-v3-3-7c9b96cba6d7@intel.com> Content-Language: en-US From: Dave Jiang In-Reply-To: <20240816-dcd-type2-upstream-v3-3-7c9b96cba6d7@intel.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 8/16/24 7:44 AM, Ira Weiny wrote: > The device DAX structure is being enhanced to track additional DCD > information. > > The current range tuple was not fully documented. Document it prior to > adding information for DC. > > Suggested-by: Jonathan Cameron > Signed-off-by: Ira Weiny Reviewed-by: Dave Jiang > > --- > Changes: > [iweiny: move to start of series] > --- > drivers/dax/dax-private.h | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/drivers/dax/dax-private.h b/drivers/dax/dax-private.h > index 446617b73aea..ccde98c3d4e2 100644 > --- a/drivers/dax/dax-private.h > +++ b/drivers/dax/dax-private.h > @@ -58,7 +58,10 @@ struct dax_mapping { > * @dev - device core > * @pgmap - pgmap for memmap setup / lifetime (driver owned) > * @nr_range: size of @ranges > - * @ranges: resource-span + pgoff tuples for the instance > + * @ranges: range tuples of memory used > + * @pgoff: page offset > + * @range: resource-span > + * @mapping: device to assist in interrogating the range layout > */ > struct dev_dax { > struct dax_region *region; >