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 X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4C569C4332D for ; Tue, 12 Jan 2021 13:22:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 106FF22CAF for ; Tue, 12 Jan 2021 13:22:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733101AbhALNWD (ORCPT ); Tue, 12 Jan 2021 08:22:03 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:35366 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733056AbhALNWC (ORCPT ); Tue, 12 Jan 2021 08:22:02 -0500 Received: from pps.filterd (m0098394.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 10CD58ov063841; Tue, 12 Jan 2021 08:21:22 -0500 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=I5DBPI8+i1zVFTn1s3zgO+6a9Pz5GfCH27yR9otAvbo=; b=bYMSpN4QtCmuaYKpN3VztvTyRev7H3aew18sNl71TQIIGpdFFhdcrg3jyYhcLZwrHzsv VK+dRrR7F1fnXuJ0b7UPAqmPvlRfWN1TIS56eUNlkQYrPI1py3MbkEH+4xY7sOnMazjn 0Z+88aNPLbKGr+yeYYXjfU1V/mBomXtUdJZNxVbcjQL23urilAgHppHAf7jevFMNIvwn Xf9sFBjv+Z8s1rDk5w50T2AhFyR7SJRKOM3Fk/SOhDebIzEVkuPzQvELHR2aZVzzIJZJ HoMA2qZikfktd5OQmYA6gdgoUht5Z6XkKE5+xY0Ztn7du1sqNr8THtqw6dHVeh3Ras9f 2Q== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 361bvhsm89-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 12 Jan 2021 08:21:21 -0500 Received: from m0098394.ppops.net (m0098394.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.36/8.16.0.36) with SMTP id 10CD5gsW066139; Tue, 12 Jan 2021 08:21:21 -0500 Received: from ppma05fra.de.ibm.com (6c.4a.5195.ip4.static.sl-reverse.com [149.81.74.108]) by mx0a-001b2d01.pphosted.com with ESMTP id 361bvhsm7b-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 12 Jan 2021 08:21:21 -0500 Received: from pps.filterd (ppma05fra.de.ibm.com [127.0.0.1]) by ppma05fra.de.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 10CDHJWZ016229; Tue, 12 Jan 2021 13:21:18 GMT Received: from b06cxnps4074.portsmouth.uk.ibm.com (d06relay11.portsmouth.uk.ibm.com [9.149.109.196]) by ppma05fra.de.ibm.com with ESMTP id 35y4489vdg-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 12 Jan 2021 13:21:18 +0000 Received: from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com [9.149.105.58]) by b06cxnps4074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 10CDLFZh37421528 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 12 Jan 2021 13:21:15 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C90A94C040; Tue, 12 Jan 2021 13:21:15 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0D54E4C052; Tue, 12 Jan 2021 13:21:15 +0000 (GMT) Received: from linux01.pok.stglabs.ibm.com (unknown [9.114.17.81]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTP; Tue, 12 Jan 2021 13:21:14 +0000 (GMT) From: Janosch Frank To: kvm@vger.kernel.org Cc: thuth@redhat.com, david@redhat.com, borntraeger@de.ibm.com, imbrenda@linux.ibm.com, cohuck@redhat.com, linux-s390@vger.kernel.org Subject: [kvm-unit-tests PATCH v4 7/9] s390x: Add diag318 intercept test Date: Tue, 12 Jan 2021 08:20:52 -0500 Message-Id: <20210112132054.49756-8-frankja@linux.ibm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210112132054.49756-1-frankja@linux.ibm.com> References: <20210112132054.49756-1-frankja@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.343,18.0.737 definitions=2021-01-12_07:2021-01-12,2021-01-12 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 phishscore=0 mlxscore=0 suspectscore=0 malwarescore=0 adultscore=0 bulkscore=0 spamscore=0 mlxlogscore=999 impostorscore=0 clxscore=1015 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101120071 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Not much to test except for the privilege and specification exceptions. Signed-off-by: Janosch Frank Reviewed-by: Thomas Huth Reviewed-by: Claudio Imbrenda --- lib/s390x/sclp.c | 1 + lib/s390x/sclp.h | 6 +++++- s390x/intercept.c | 19 +++++++++++++++++++ 3 files changed, 25 insertions(+), 1 deletion(-) diff --git a/lib/s390x/sclp.c b/lib/s390x/sclp.c index 06819a6..7a9b2c5 100644 --- a/lib/s390x/sclp.c +++ b/lib/s390x/sclp.c @@ -138,6 +138,7 @@ void sclp_facilities_setup(void) assert(read_info); cpu = sclp_get_cpu_entries(); + sclp_facilities.has_diag318 = read_info->byte_134_diag318; for (i = 0; i < read_info->entries_cpu; i++, cpu++) { /* * The logic for only reading the facilities from the diff --git a/lib/s390x/sclp.h b/lib/s390x/sclp.h index 6c86037..58f8e54 100644 --- a/lib/s390x/sclp.h +++ b/lib/s390x/sclp.h @@ -105,7 +105,8 @@ extern struct sclp_facilities sclp_facilities; struct sclp_facilities { uint64_t has_sief2 : 1; - uint64_t : 63; + uint64_t has_diag318 : 1; + uint64_t : 62; }; typedef struct ReadInfo { @@ -130,6 +131,9 @@ typedef struct ReadInfo { uint16_t highest_cpu; uint8_t _reserved5[124 - 122]; /* 122-123 */ uint32_t hmfai; + uint8_t reserved7[134 - 128]; + uint8_t byte_134_diag318 : 1; + uint8_t : 7; struct CPUEntry entries[0]; } __attribute__((packed)) ReadInfo; diff --git a/s390x/intercept.c b/s390x/intercept.c index cde2f5f..86e57e1 100644 --- a/s390x/intercept.c +++ b/s390x/intercept.c @@ -8,6 +8,7 @@ * Thomas Huth */ #include +#include #include #include #include @@ -152,6 +153,23 @@ static void test_testblock(void) check_pgm_int_code(PGM_INT_CODE_ADDRESSING); } +static void test_diag318(void) +{ + expect_pgm_int(); + enter_pstate(); + asm volatile("diag %0,0,0x318\n" : : "d" (0x42)); + check_pgm_int_code(PGM_INT_CODE_PRIVILEGED_OPERATION); + + if (!sclp_facilities.has_diag318) + expect_pgm_int(); + + asm volatile("diag %0,0,0x318\n" : : "d" (0x42)); + + if (!sclp_facilities.has_diag318) + check_pgm_int_code(PGM_INT_CODE_SPECIFICATION); + +} + struct { const char *name; void (*func)(void); @@ -162,6 +180,7 @@ struct { { "stap", test_stap, false }, { "stidp", test_stidp, false }, { "testblock", test_testblock, false }, + { "diag318", test_diag318, false }, { NULL, NULL, false } }; -- 2.25.1