From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (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 06B59136660; Mon, 25 Mar 2024 17:42:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.176.79.56 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711388531; cv=none; b=P0UMyEmr8z4GmJKCp4EFXRMSfoO79gzVwxkAyhsjHFtlaVSgkWlFML/eFw8lrgoKrkl7QeLK/0xUxYnn1kbZyTwlhUkIrbhSuhdTwnS1uwVTCDaG99tDakdAWz4XN5AEzxKsBemRV/SBzfbgviVAlzi4vZqY9PXYDdGIP1zHjOA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711388531; c=relaxed/simple; bh=yNAZklxO2mKYkFa7/REle+60mqoopmdEODD6dsLinrg=; h=Date:From:To:CC:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Ds/RWnxiz8HpnpH8sv28XOLlD6P5p2f9izDXbubv8MDf/fh75dUXYuVjB9VKDjVNk49sa814thM8HH1INhz+NGfZ6oPzY1Kr3gDbpa9NsUcQO5r7j/6ZLZytle2SHBJMhgHg+ptPfnLb5IJbIPJeXbiRFhrVqBJ4+9QeJQhv4+8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=Huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=185.176.79.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=Huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.18.186.31]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4V3Krk5hF8z6K6g0; Tue, 26 Mar 2024 01:37:42 +0800 (CST) Received: from lhrpeml500005.china.huawei.com (unknown [7.191.163.240]) by mail.maildlp.com (Postfix) with ESMTPS id 4A5681400DC; Tue, 26 Mar 2024 01:42:07 +0800 (CST) Received: from localhost (10.202.227.76) by lhrpeml500005.china.huawei.com (7.191.163.240) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.35; Mon, 25 Mar 2024 17:42:06 +0000 Date: Mon, 25 Mar 2024 17:42:06 +0000 From: Jonathan Cameron To: CC: Dave Jiang , Fan Ni , "Navneet Singh" , Dan Williams , Davidlohr Bueso , Alison Schofield , Vishal Verma , , , Subject: Re: [PATCH 04/26] cxl/region: Add dynamic capacity decoder and region modes Message-ID: <20240325174206.000064ad@Huawei.com> In-Reply-To: <20240324-dcd-type2-upstream-v1-4-b7b00d623625@intel.com> References: <20240324-dcd-type2-upstream-v1-0-b7b00d623625@intel.com> <20240324-dcd-type2-upstream-v1-4-b7b00d623625@intel.com> Organization: Huawei Technologies Research and Development (UK) Ltd. X-Mailer: Claws Mail 4.1.0 (GTK 3.24.33; x86_64-w64-mingw32) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: lhrpeml100002.china.huawei.com (7.191.160.241) To lhrpeml500005.china.huawei.com (7.191.163.240) On Sun, 24 Mar 2024 16:18:07 -0700 ira.weiny@intel.com wrote: > From: Navneet Singh > > Region mode must reflect a general dynamic capacity type which is > associated with a specific Dynamic Capacity (DC) partitions in each > device decoder within the region. DC partitions are also know as DC > regions per CXL 3.1. > > Decoder mode reflects a specific DC partition. > > Define the new modes to use in subsequent patches and the helper > functions required to make the association between these new modes. > > Signed-off-by: Navneet Singh > Co-developed-by: Ira Weiny > Signed-off-by: Ira Weiny Reviewed-by: Jonathan Cameron