From patchwork Tue Aug 2 14:51:02 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nico Boehr X-Patchwork-Id: 12934723 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 C51BAC19F2C for ; Tue, 2 Aug 2022 14:51:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237168AbiHBOvL (ORCPT ); Tue, 2 Aug 2022 10:51:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38200 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233655AbiHBOvK (ORCPT ); Tue, 2 Aug 2022 10:51:10 -0400 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C298DE4A for ; Tue, 2 Aug 2022 07:51:09 -0700 (PDT) Received: from pps.filterd (m0098410.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 272EW7Ag010036 for ; Tue, 2 Aug 2022 14:51:09 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=Lpt0HUhQJCBIBGCBjdWDSSAeaKwytgpHQ86dmHEkkiU=; b=izLRmGjNh/kLML9OiEfJVkjXT3bz1ltgoUdifBaBsHyLJhbOyxiMwwY3ZbEWefaWAk6N F1ors/YilcAPLbOQER0QPDCxYx2egqUYYmQZg1s8KzHYa5oEhVtig6lxY0M1Vytd4Wed BPpe+yZ6uKc8mrn/PJ9AyqKOJdEm+Rny+C7nVLRGdMPajIDfRX7kaICxr3eUBh/eB+7Y OCtb+HycSdewAwL7PQMs+uAkC8+DMABaFPL91qcc+CKr2SMjWo5VQ6+94YckzQx4xe2z 7pSrItvtkfyTkwnt4LmJg974wtKAp420TDLpJXbZVTioh+CFNGtSsVxy14+c1UJjLegK iw== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3hq5s80n52-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Tue, 02 Aug 2022 14:51:09 +0000 Received: from m0098410.ppops.net (m0098410.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 272Eck4E008377 for ; Tue, 2 Aug 2022 14:51:09 GMT Received: from ppma06ams.nl.ibm.com (66.31.33a9.ip4.static.sl-reverse.com [169.51.49.102]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3hq5s80n3u-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 02 Aug 2022 14:51:08 +0000 Received: from pps.filterd (ppma06ams.nl.ibm.com [127.0.0.1]) by ppma06ams.nl.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 272ElcIx027811; Tue, 2 Aug 2022 14:51:06 GMT Received: from b06cxnps4076.portsmouth.uk.ibm.com (d06relay13.portsmouth.uk.ibm.com [9.149.109.198]) by ppma06ams.nl.ibm.com with ESMTP id 3hmuwhuuvw-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 02 Aug 2022 14:51:06 +0000 Received: from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com [9.149.105.58]) by b06cxnps4076.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 272Ep3dN31261014 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 2 Aug 2022 14:51:03 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 306894C044; Tue, 2 Aug 2022 14:51:03 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id F144A4C040; Tue, 2 Aug 2022 14:51:02 +0000 (GMT) Received: from a46lp57.lnxne.boe (unknown [9.152.108.100]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTP; Tue, 2 Aug 2022 14:51:02 +0000 (GMT) From: Nico Boehr To: kvm@vger.kernel.org Cc: frankja@linux.ibm.com, imbrenda@linux.ibm.com, thuth@redhat.com Subject: [kvm-unit-tests PATCH v1] s390x: verify EQBS/SQBS is unavailable Date: Tue, 2 Aug 2022 16:51:02 +0200 Message-Id: <20220802145102.128841-1-nrb@linux.ibm.com> X-Mailer: git-send-email 2.36.1 MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: XewprCRQcdllg8uMSeGnfcW0eFMt0NmI X-Proofpoint-ORIG-GUID: 8n2Xp_4F_HEoSMKUSeakDijUlNFF3Z-s 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=2022-08-02_08,2022-08-02_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=733 suspectscore=0 spamscore=0 malwarescore=0 phishscore=0 impostorscore=0 mlxscore=0 clxscore=1015 priorityscore=1501 lowpriorityscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2206140000 definitions=main-2208020067 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org QEMU doesn't provide EQBS/SQBS instructions, so we should check they result in an exception. Signed-off-by: Nico Boehr --- s390x/intercept.c | 50 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/s390x/intercept.c b/s390x/intercept.c index 9e826b6c79ad..73b06b5fc6e8 100644 --- a/s390x/intercept.c +++ b/s390x/intercept.c @@ -197,6 +197,55 @@ static void test_diag318(void) } +static inline int sqbs(u64 token) +{ + unsigned long _token = token; + int cc; + + asm volatile( + " lgr 1,%[token]\n" + " .insn rsy,0xeb000000008a,0,0,0(0)\n" + " ipm %[cc]\n" + " srl %[cc],28\n" + : [cc] "=&d" (cc) + : [token] "d" (_token) + : "memory", "cc", "1"); + + return cc; +} + +static inline int eqbs(u64 token) +{ + unsigned long _token = token; + int cc; + + asm volatile( + " lgr 1,%[token]\n" + " .insn rrf,0xb99c0000,0,0,0,0\n" + " ipm %[cc]\n" + " srl %[cc],28\n" + : [cc] "=&d" (cc) + : [token] "d" (_token) + : "memory", "cc", "1"); + + return cc; +} + +static void test_qbs(void) +{ + report_prefix_push("sqbs"); + expect_pgm_int(); + sqbs(0xffffffdeadbeefULL); + check_pgm_int_code(PGM_INT_CODE_OPERATION); + report_prefix_pop(); + + report_prefix_push("eqbs"); + expect_pgm_int(); + eqbs(0xffffffdeadbeefULL); + check_pgm_int_code(PGM_INT_CODE_OPERATION); + report_prefix_pop(); +} + struct { const char *name; void (*func)(void); @@ -208,6 +257,7 @@ struct { { "stidp", test_stidp, false }, { "testblock", test_testblock, false }, { "diag318", test_diag318, false }, + { "qbs", test_qbs, false }, { NULL, NULL, false } };