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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D1BDFCCA473 for ; Fri, 1 Jul 2022 02:26:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=j2UzwA3UmiL1dl406d7nWJmI7dqNEQZ1ZYJd449vcz0=; b=U1oxL9iRvXjcoz U4r8fT+LC7mtLWVwXGR4TY/6kohibL4iTHYIeKsKSlHg8vgc+FSw+DTQrnGzMYMnvBRYX8aiVraaG QnTQW21058wM9iQ4ngLlKQzH0fjGMoxCRUnsLxmVxxVF4sWp4OOdFzwZvm1nWdjp3FWSQqmJYCvKz iU87myCTISBWHHnbfsEIYCPOzzlql9LjHP86RjniRHmHOU5lhEm563Y+Ee16pUG2R9SvxqCJ1xO53 CbN6pUHLIG7uQPyo56GLRwK02ybQfmWXHgK58EdPAKI7hKPdehryxGWUvLNMVt8lDvzwU32Qz5O32 5JoalJOoLHFuu8yQzHdw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o76MV-002PA5-OC; Fri, 01 Jul 2022 02:26:27 +0000 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1o76MS-002P86-2O for kexec@lists.infradead.org; Fri, 01 Jul 2022 02:26:25 +0000 Received: from pps.filterd (m0098399.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 2611junq001046; Fri, 1 Jul 2022 02:26:16 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : mime-version : content-transfer-encoding; s=pp1; bh=U3u3bJ2w7bZYTiUr+NLvy+hK+vyEj+PF0dGxi5//Vho=; b=PT22tgEDtQ+UOWjJMeFZwWCgylijMNj05xQs0VrejbPgd/6ghXqqmQBXLc3pvzKNxFpp DU7wpD472EbBn6v6DKELDWh/MDWRohq6eKmwqjTk2ipJnUroWkOuVrfjUlm8rfRvHEU6 jgkmP+0F5LOrZaEcRy+y6aPzdB9O2GiL8Zb7E37gqpRtmLAlzmZ0vp3b30wdJDMJteUE 8EONVvklXZc4jSbljLzMg2xm6ZuIXD6HTICbxOqK1W8iKjxdlB+yDo1QHPbIr7iv79R0 64JXuOF8YHVf+J+8lAFKAEDLtrYlWyZg0DXzqEV5nyT4MpYj+epB7MHIRB0Ddb3/sxIY ng== Received: from ppma02wdc.us.ibm.com (aa.5b.37a9.ip4.static.sl-reverse.com [169.55.91.170]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3h1qj3gvah-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 01 Jul 2022 02:26:16 +0000 Received: from pps.filterd (ppma02wdc.us.ibm.com [127.0.0.1]) by ppma02wdc.us.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 2612KvsS023477; Fri, 1 Jul 2022 02:26:14 GMT Received: from b01cxnp23033.gho.pok.ibm.com (b01cxnp23033.gho.pok.ibm.com [9.57.198.28]) by ppma02wdc.us.ibm.com with ESMTP id 3gwt0af2eb-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 01 Jul 2022 02:26:14 +0000 Received: from b01ledav002.gho.pok.ibm.com (b01ledav002.gho.pok.ibm.com [9.57.199.107]) by b01cxnp23033.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 2612QEi440370638 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 1 Jul 2022 02:26:14 GMT Received: from b01ledav002.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0B43C124058; Fri, 1 Jul 2022 02:26:14 +0000 (GMT) Received: from b01ledav002.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id EFB96124053; Fri, 1 Jul 2022 02:26:13 +0000 (GMT) Received: from sbct-3.pok.ibm.com (unknown [9.47.158.153]) by b01ledav002.gho.pok.ibm.com (Postfix) with ESMTP; Fri, 1 Jul 2022 02:26:13 +0000 (GMT) From: Stefan Berger To: kexec@lists.infradead.org, devicetree@vger.kernel.org, linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Cc: nayna@linux.ibm.com, nasastry@in.ibm.com, mpe@ellerman.id.au, Stefan Berger Subject: [PATCH v4 0/5] tpm: Preserve TPM measurement log across kexec (ppc64) Date: Thu, 30 Jun 2022 22:25:58 -0400 Message-Id: <20220701022603.31076-1-stefanb@linux.ibm.com> X-Mailer: git-send-email 2.36.1 MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: CduWCsPFNRTSJxKwq0YCUnqSpznSmyBr X-Proofpoint-GUID: CduWCsPFNRTSJxKwq0YCUnqSpznSmyBr X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-07-01_01,2022-06-28_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=571 bulkscore=0 adultscore=0 clxscore=1015 impostorscore=0 mlxscore=0 lowpriorityscore=0 priorityscore=1501 spamscore=0 phishscore=0 suspectscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2204290000 definitions=main-2207010003 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220630_192624_203242_E04EB8E9 X-CRM114-Status: GOOD ( 16.01 ) X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org The of-tree subsystem does not currently preserve the IBM vTPM 1.2 and vTPM 2.0 measurement logs across a kexec on PowerVM and PowerKVM. This series fixes this for the kexec_file_load() syscall using the flattened device tree (fdt) to carry the TPM measurement log's buffer across kexec. Stefan v4: - Rebased on 2 patches that would otherwise create merge conflicts; posting these patches in this series with several tags removed so krobot can test the series already - Changes to individual patches documented in patch descripitons v3: - Moved TPM Open Firmware related function to drivers/char/tpm/eventlog/tpm_of.c v2: - rearranged patches - fixed compilation issues for x86 Palmer Dabbelt (1): drivers: of: kexec ima: Support 32-bit platforms Stefan Berger (3): tpm: of: Make of-tree specific function commonly available of: kexec: Refactor IMA buffer related functions to make them reusable tpm/kexec: Duplicate TPM measurement log in of-tree for kexec Vaibhav Jain (1): of: check previous kernel's ima-kexec-buffer against memory bounds drivers/char/tpm/eventlog/of.c | 31 +--- drivers/of/kexec.c | 328 +++++++++++++++++++++++++++++---- include/linux/kexec.h | 6 + include/linux/of.h | 8 +- include/linux/tpm.h | 27 +++ kernel/kexec_file.c | 6 + 6 files changed, 340 insertions(+), 66 deletions(-) base-commit: 03c765b0e3b4cb5063276b086c76f7a612856a9a -- 2.35.1 _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec