From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6DBEBC433F5 for ; Wed, 18 May 2022 11:54:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235857AbiERLy5 (ORCPT ); Wed, 18 May 2022 07:54:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59572 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235810AbiERLyu (ORCPT ); Wed, 18 May 2022 07:54:50 -0400 Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 190AE49C86; Wed, 18 May 2022 04:54:48 -0700 (PDT) Received: from pps.filterd (m0098421.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 24IBlL3S016293; Wed, 18 May 2022 11:54:47 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=date : from : to : cc : subject : message-id : references : mime-version : content-type : in-reply-to; s=pp1; bh=Ap+lBzAtoKjwarN7fWcNP0poXNCXF3aQkSAGGC9mrNQ=; b=NZ7uR6yZYJ6e74NjpaNPrJrrcRrB/09ejn0/ApE2z6qFILFvQiQKg7xT0PoI09hY3cvT zJAGWDEMwIcgmMn+/DofYRip5ICBEclD2b36drlRFtlkBkoz/VkK/sgMvNrPhJCIu5J4 Vm6nBwp9sRM/lZQit0tD+L6cajsFoHk29x72dc03eZgw8bwLrvIZTjXDVDTwb+UjI2hK BHQRqdtD8Aw9CgJUQQQcIqRgXHFCTxwA9AwG20f0CcuEGiO30fEHHbbwkUZWqMF20Clg BhwPRTv3KYEN9nuIWYf1uqe4qQU9roJuq4XU40sc5iOPozf/TO8cqyksh6rdD5WxI9kG Xg== Received: from ppma02fra.de.ibm.com (47.49.7a9f.ip4.static.sl-reverse.com [159.122.73.71]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3g508103x6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 18 May 2022 11:54:46 +0000 Received: from pps.filterd (ppma02fra.de.ibm.com [127.0.0.1]) by ppma02fra.de.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 24IBqsiq002923; Wed, 18 May 2022 11:54:45 GMT Received: from b06cxnps3075.portsmouth.uk.ibm.com (d06relay10.portsmouth.uk.ibm.com [9.149.109.195]) by ppma02fra.de.ibm.com with ESMTP id 3g2428mjfk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 18 May 2022 11:54:44 +0000 Received: from d06av21.portsmouth.uk.ibm.com (d06av21.portsmouth.uk.ibm.com [9.149.105.232]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 24IBsfIl48628084 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 18 May 2022 11:54:41 GMT Received: from d06av21.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id AADF852057; Wed, 18 May 2022 11:54:41 +0000 (GMT) Received: from osiris (unknown [9.145.54.247]) by d06av21.portsmouth.uk.ibm.com (Postfix) with ESMTPS id 5B02A5204E; Wed, 18 May 2022 11:54:41 +0000 (GMT) Date: Wed, 18 May 2022 13:54:39 +0200 From: Heiko Carstens To: Steffen Eiden Cc: Christian Borntraeger , Janosch Frank , Claudio Imbrenda , Nico Boehr , linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] s390: Add attestation query information Message-ID: References: <20220518095113.982955-1-seiden@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220518095113.982955-1-seiden@linux.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-GUID: TKogau4XcC4SsuoX52VFtJzUpFkxKPIy X-Proofpoint-ORIG-GUID: TKogau4XcC4SsuoX52VFtJzUpFkxKPIy X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.874,Hydra:6.0.486,FMLib:17.11.64.514 definitions=2022-05-18_04,2022-05-17_02,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 suspectscore=0 spamscore=0 impostorscore=0 mlxscore=0 bulkscore=0 clxscore=1015 phishscore=0 malwarescore=0 priorityscore=1501 mlxlogscore=538 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2205180065 Precedence: bulk List-ID: X-Mailing-List: linux-s390@vger.kernel.org On Wed, May 18, 2022 at 09:51:13AM +0000, Steffen Eiden wrote: > We have information about the supported attestation header version > and paf (= plaintext attestation flag) bits. > Let's expose it via the sysfs files. > > Signed-off-by: Steffen Eiden > --- > arch/s390/boot/uv.c | 2 ++ > arch/s390/include/asm/uv.h | 7 ++++++- > arch/s390/kernel/uv.c | 20 ++++++++++++++++++++ > 3 files changed, 28 insertions(+), 1 deletion(-) Please write in the cover-letter *why* this is needed.