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 0F1C7C433EF for ; Mon, 23 May 2022 13:24:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236135AbiEWNYV (ORCPT ); Mon, 23 May 2022 09:24:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50320 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236119AbiEWNYS (ORCPT ); Mon, 23 May 2022 09:24:18 -0400 Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 773B712D22; Mon, 23 May 2022 06:24:17 -0700 (PDT) Received: from pps.filterd (m0098416.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 24ND6aBg016906; Mon, 23 May 2022 13:24:16 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=HzBAqXTluqfHmRDvLzs26uLfXg3kXGzzuFGVf2/5Tbs=; b=FJgJemFQRKngp5zQXNI5sTalGY6s7CrFvAQ8PIIqBGtn2k/ZNDJ2bwK4uZ/p1sC9HO7J LFtj6ar7lGiw3cg//5DZ/HS0mkFnVafW5L8pXtn4cB8PVvuF+P61bXmV2C7M7LducbTk wQYKQOPNpCJSeMV/aepLaUyTdSHGteChxGY1z3yEbH58fL06yB35OcJCgdSTQgAj5ZBV b6UK7GbR2eqQFJlWJqYdHvBx7MU6G4irxTG8GxQ3jsabTFdsvUKSBIN1Ed1/060oEuBn AUY4aE6WNRoO8P6ML2EmlJIPcPH1Lq5HrvHZ2lcZCv4SO+COn3vNGshkB1aPgqtxDx2v ow== Received: from pps.reinject (localhost [127.0.0.1]) by mx0b-001b2d01.pphosted.com (PPS) with ESMTPS id 3g87p05bb2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 23 May 2022 13:24:16 +0000 Received: from m0098416.ppops.net (m0098416.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 24ND16Ro017168; Mon, 23 May 2022 13:24:16 GMT Received: from ppma03fra.de.ibm.com (6b.4a.5195.ip4.static.sl-reverse.com [149.81.74.107]) by mx0b-001b2d01.pphosted.com (PPS) with ESMTPS id 3g87p05ba6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 23 May 2022 13:24:16 +0000 Received: from pps.filterd (ppma03fra.de.ibm.com [127.0.0.1]) by ppma03fra.de.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 24NCKoEj011955; Mon, 23 May 2022 13:24:12 GMT Received: from b06avi18878370.portsmouth.uk.ibm.com (b06avi18878370.portsmouth.uk.ibm.com [9.149.26.194]) by ppma03fra.de.ibm.com with ESMTP id 3g6qq9ad72-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 23 May 2022 13:24:12 +0000 Received: from d06av23.portsmouth.uk.ibm.com (d06av23.portsmouth.uk.ibm.com [9.149.105.59]) by b06avi18878370.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 24NDNMms32375138 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 23 May 2022 13:23:23 GMT Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A6524A404D; Mon, 23 May 2022 13:24:09 +0000 (GMT) Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6DBACA4040; Mon, 23 May 2022 13:24:09 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by d06av23.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 23 May 2022 13:24:09 +0000 (GMT) From: Janis Schoetterl-Glausch To: Thomas Huth , Janosch Frank , Claudio Imbrenda Cc: Janis Schoetterl-Glausch , David Hildenbrand , kvm@vger.kernel.org, linux-s390@vger.kernel.org Subject: [kvm-unit-tests PATCH v3 3/3] s390x: Test effect of storage keys on diag 308 Date: Mon, 23 May 2022 15:24:06 +0200 Message-Id: <20220523132406.1820550-4-scgl@linux.ibm.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220523132406.1820550-1-scgl@linux.ibm.com> References: <20220523132406.1820550-1-scgl@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: Qc9NBEapVJ6vExRuqSvEZXg6tt-Dnxj8 X-Proofpoint-GUID: FBtQX8bxlfpdX05M1isNvmdOtvSAbGgG 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=2022-05-23_06,2022-05-23_01,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 phishscore=0 lowpriorityscore=0 suspectscore=0 impostorscore=0 spamscore=0 mlxlogscore=999 priorityscore=1501 malwarescore=0 mlxscore=0 clxscore=1015 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2205230073 Precedence: bulk List-ID: X-Mailing-List: linux-s390@vger.kernel.org Test that key-controlled protection does not apply to diag 308. Signed-off-by: Janis Schoetterl-Glausch --- s390x/skey.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/s390x/skey.c b/s390x/skey.c index a55034b5..074667e2 100644 --- a/s390x/skey.c +++ b/s390x/skey.c @@ -300,6 +300,31 @@ static void test_store_cpu_address(void) report_prefix_pop(); } +static void test_diag_308(void) +{ + uint16_t response; + uint32_t *ipib = (uint32_t *)pagebuf; + + report_prefix_push("DIAG 308"); + WRITE_ONCE(ipib[0], 0); /* Invalid length */ + set_storage_key(ipib, 0x28, 0); + /* key-controlled protection does not apply */ + asm volatile ( + "lr %%r2,%[ipib]\n\t" + "spka 0x10\n\t" + "diag %%r2,%[code],0x308\n\t" + "spka 0\n\t" + "lr %[response],%%r3\n" + : [response] "=d" (response) + : [ipib] "d" (ipib), + [code] "d" (5) + : "%r2", "%r3" + ); + report(response == 0x402, "no exception on fetch, response: invalid IPIB"); + set_storage_key(ipib, 0x00, 0); + report_prefix_pop(); +} + /* * Perform CHANNEL SUBSYSTEM CALL (CHSC) instruction while temporarily executing * with access key 1. @@ -712,6 +737,7 @@ int main(void) test_chg(); test_test_protection(); test_store_cpu_address(); + test_diag_308(); test_channel_subsystem_call(); setup_vm(); -- 2.33.1