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 6F37E1BDC3; Mon, 14 Oct 2024 15:05:28 +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=1728918330; cv=none; b=jA2DPyGhJVagNutnVUOpduZxbvIwf65CC+F2SniSmWumjHWhj/tUKqWQKBoHgvdg+3FITpR1Mknl1cUzsiC76jfi3fi9rzHReOz6YYFsxa/jglcRBPmLzfWqOECgfXv1CcjJMLTzrrq1nTZiNTWWIRsQABB4s8CfmEAP903ruPw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728918330; c=relaxed/simple; bh=YHZMg+7IqKiBHfICbs4pNan2XPI4Cd1Z6BpmSGsUcWs=; h=Date:From:To:CC:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=bgvdYAcxlxq9OL/wzC0G47L93G4gIhJCBBQw9EEVqZShgrmhgMGbP98WEPILQKU95JJ9qkBH+qnCKvWQKCW6cNntN/Dy/+WJ0GUWbZt3y8X7yzBjsAsZqJawLLYyYj4fpxwOfMcgxJ06TWpQbbAEiR6ihcLPyQmvAYgVbXFKKmw= 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 [172.18.186.231]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4XS0mB6X2qz6L6XG; Mon, 14 Oct 2024 23:00:58 +0800 (CST) Received: from frapeml500008.china.huawei.com (unknown [7.182.85.71]) by mail.maildlp.com (Postfix) with ESMTPS id 323FD1400CA; Mon, 14 Oct 2024 23:05:26 +0800 (CST) Received: from localhost (10.203.177.66) by frapeml500008.china.huawei.com (7.182.85.71) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Mon, 14 Oct 2024 17:05:24 +0200 Date: Mon, 14 Oct 2024 16:05:23 +0100 From: Jonathan Cameron To: CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: Re: [PATCH v13 07/18] cxl: Add Get Supported Features command for kernel usage Message-ID: <20241014160523.00007897@Huawei.com> In-Reply-To: <20241009124120.1124-8-shiju.jose@huawei.com> References: <20241009124120.1124-1-shiju.jose@huawei.com> <20241009124120.1124-8-shiju.jose@huawei.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-acpi@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: lhrpeml500005.china.huawei.com (7.191.163.240) To frapeml500008.china.huawei.com (7.182.85.71) On Wed, 9 Oct 2024 13:41:08 +0100 wrote: > From: Dave Jiang > > CXL spec r3.1 8.2.9.6.1 Get Supported Features (Opcode 0500h) > The command retrieve the list of supported device-specific features > (identified by UUID) and general information about each Feature. > > The driver will retrieve the feature entries in order to make checks and > provide information for the Get Feature and Set Feature command. One of > the main piece of information retrieved are the effects a Set Feature > command would have for a particular feature. > > Signed-off-by: Dave Jiang > Signed-off-by: Shiju Jose Reviewed-by: Jonathan Cameron This comes from the fwctl series and that will take a while to settle down so we should be fine taking this directly as part of this series.