From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.15]) (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 2BFF51FECAE for ; Wed, 19 Feb 2025 17:05:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739984758; cv=none; b=DDAQTlQdhQIaVqBPRvC9K1oKUZ2/iKHChddHwVqpgJy+aZ6MgUY6yQKUQbjn03X+QtGOtyryhklkXAguLlYG3Xv+aMxt1Uo5zSfSrB+QjO4UOOuAjY9z9Nl8yHsLS/0Yh35Ef5p4XYdqeTqLKuByCbeIn9rLbj19YhlDPqDr1O4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739984758; c=relaxed/simple; bh=d1f77bYgroldxR5h5yYq3k7rEKDl36tby1NxwnvSOwU=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=aGwcl+qFmHHudm3jqmFbakIGUfGWySgqdNnltJBz934OkDTblfGLKv61X+JbP7ihnvixTgFPhtmZOF5dKT0rHr8NEZYp5QrODhewkqOuzgQ4IXz6aSJwgSKv0E9oXvyDUrFx8MU1Aq/ST8KMXG7DETDtb7g4mDxLkGr3TDFMfbo= 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=AjWpLH6G; arc=none smtp.client-ip=198.175.65.15 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="AjWpLH6G" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1739984755; x=1771520755; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=d1f77bYgroldxR5h5yYq3k7rEKDl36tby1NxwnvSOwU=; b=AjWpLH6GFzG09xIdV8TsVc0qTYNV4AoSAUP4geV+HedxDQlYfGMpTHl1 Ja28GVRWlz5ePBXufPIBHnO9Uvu5kmD08kVf2/mb0nnWtUtIqhf5ZrdQG qqGLiuQBeYXbjIx2DVso9jKY4N5MpZ4tjwylpmI4x9dDlvs5vIdz7wPUO x/dMRNRzrBvYr9vlr/mt78ZZSiNMsQJrI64zDKT6Kp6uUgtVM+7+nr+3U Ix/Pfl01Nf8MkaEomlb3SEOmUVAnzDcpZt+ATNCq+bB6zAXbs5J4gBO4M FzJaXMYEzb3p4CIUi8LikeV3umRrBpRpHludqA6WMzVDwkzFo2IEH0SNU w==; X-CSE-ConnectionGUID: iBak2jIGRJmfbUoIFP9pUQ== X-CSE-MsgGUID: GkDQOvFrQr+x83LOHG7oOQ== X-IronPort-AV: E=McAfee;i="6700,10204,11350"; a="44380712" X-IronPort-AV: E=Sophos;i="6.13,299,1732608000"; d="scan'208";a="44380712" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Feb 2025 09:05:50 -0800 X-CSE-ConnectionGUID: GhNtkM2TSQ+1WlJ7d1rJGg== X-CSE-MsgGUID: La9tmLw4QmS0EVBZSvxcsQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,224,1728975600"; d="scan'208";a="115252563" Received: from inaky-mobl1.amr.corp.intel.com (HELO [10.125.110.11]) ([10.125.110.11]) by orviesa007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Feb 2025 09:05:26 -0800 Message-ID: <9df43c5c-bca9-4e34-b6df-758272b211a6@intel.com> Date: Wed, 19 Feb 2025 10:05:22 -0700 Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/2] cxl: Document missing sysfs files To: Davidlohr Bueso Cc: dan.j.williams@intel.com, Jonathan.Cameron@huawei.com, ira.weiny@intel.com, alison.schofield@intel.com, linux-cxl@vger.kernel.org References: <20250218224853.67457-1-dave@stgolabs.net> <20250218224853.67457-3-dave@stgolabs.net> Content-Language: en-US From: Dave Jiang In-Reply-To: <20250218224853.67457-3-dave@stgolabs.net> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 2/18/25 3:48 PM, Davidlohr Bueso wrote: > Add to the ABI documentation the payload_max and label_storage_size > read-only files, which have been there since the early days. > > Signed-off-by: Davidlohr Bueso Reviewed-by: Dave Jiang > --- > Documentation/ABI/testing/sysfs-bus-cxl | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) > > diff --git a/Documentation/ABI/testing/sysfs-bus-cxl b/Documentation/ABI/testing/sysfs-bus-cxl > index 7bdf0eb79d7c..04a880bd1dde 100644 > --- a/Documentation/ABI/testing/sysfs-bus-cxl > +++ b/Documentation/ABI/testing/sysfs-bus-cxl > @@ -18,6 +18,24 @@ Description: > specification. > > > +What: /sys/bus/cxl/devices/memX/payload_max > +Date: December, 2020 > +KernelVersion: v5.12 > +Contact: linux-cxl@vger.kernel.org > +Description: > + (RO) Maximum size (in bytes) of the mailbox command payload > + registers. Linux caps this at 1MB if the device reports a > + larger size. > + > + > +What: /sys/bus/cxl/devices/memX/label_storage_size > +Date: May, 2021 > +KernelVersion: v5.13 > +Contact: linux-cxl@vger.kernel.org > +Description: > + (RO) Size (in bytes) of the Label Storage Area (LSA). > + > + > What: /sys/bus/cxl/devices/memX/ram/size > Date: December, 2020 > KernelVersion: v5.12