From nobody Mon Feb 9 00:30:52 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linux.ibm.com ARC-Seal: i=1; a=rsa-sha256; t=1584624092; cv=none; d=zohomail.com; s=zohoarc; b=h55wQQPb4EECOnTaTFuZUkMM9FUerh1NLF5oyWdHbph1vFDA74dGOVT7Albpvy1lU/QjBqhng4mzdfzm72DRGo1y+KAZeet4z1rJWs2wk007XfeQfV8m9mLxBNnbD4itcgac9WD7l5hbfZsH1sVuTJIevJKMQX7LXiPkv3rtg5g= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1584624092; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=eoC/Gq5+52XYK2IxwYEPiumbOoJ6VN5BQgLKa1J8qh8=; b=AO+WWMo61KIizRcbepwM8BS9nUF0I9Gj0m5Y37V6MiBfFugFBf1SMI7k63ZW4D3Qddm2OUy/EoJsnMCOpqcU+QLrPNiqDR+giV+KhpbpXm1Fk03uYHru3325dwcBAn4xD5bxYUfCUTCoFl9JrlIRyy/RLKEiKEXTE8NFYE/O53w= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1584624092250406.34907280815673; Thu, 19 Mar 2020 06:21:32 -0700 (PDT) Received: from localhost ([::1]:37856 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jEv74-00058m-KC for importer@patchew.org; Thu, 19 Mar 2020 09:21:30 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35086) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jEv5V-0002BB-RJ for qemu-devel@nongnu.org; Thu, 19 Mar 2020 09:19:54 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jEv5T-0001b0-Nj for qemu-devel@nongnu.org; Thu, 19 Mar 2020 09:19:53 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:57238) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jEv5T-0001aQ-FJ for qemu-devel@nongnu.org; Thu, 19 Mar 2020 09:19:51 -0400 Received: from pps.filterd (m0098393.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 02JD6wKU072017 for ; Thu, 19 Mar 2020 09:19:50 -0400 Received: from e06smtp01.uk.ibm.com (e06smtp01.uk.ibm.com [195.75.94.97]) by mx0a-001b2d01.pphosted.com with ESMTP id 2yu8633k1r-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Thu, 19 Mar 2020 09:19:50 -0400 Received: from localhost by e06smtp01.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Thu, 19 Mar 2020 13:19:45 -0000 Received: from b06wcsmtp001.portsmouth.uk.ibm.com (b06wcsmtp001.portsmouth.uk.ibm.com [9.149.105.160]) by b06cxnps4074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 02JDJiJ550921522 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 19 Mar 2020 13:19:45 GMT Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D17FBA405F; Thu, 19 Mar 2020 13:19:44 +0000 (GMT) Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7F233A4054; Thu, 19 Mar 2020 13:19:43 +0000 (GMT) Received: from localhost.localdomain (unknown [9.145.146.136]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with ESMTP; Thu, 19 Mar 2020 13:19:43 +0000 (GMT) From: Janosch Frank To: qemu-devel@nongnu.org Subject: [PATCH v11 10/16] s390x: protvirt: Set guest IPL PSW Date: Thu, 19 Mar 2020 09:19:15 -0400 X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200319131921.2367-1-frankja@linux.ibm.com> References: <20200319131921.2367-1-frankja@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 x-cbid: 20031913-4275-0000-0000-000003AF199B X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 20031913-4276-0000-0000-000038C44817 Message-Id: <20200319131921.2367-11-frankja@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.645 definitions=2020-03-19_04:2020-03-19, 2020-03-19 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 lowpriorityscore=0 malwarescore=0 spamscore=0 clxscore=1015 impostorscore=0 mlxlogscore=999 mlxscore=0 suspectscore=1 adultscore=0 bulkscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2003190058 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 148.163.156.1 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: borntraeger@de.ibm.com, qemu-s390x@nongnu.org, cohuck@redhat.com, david@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" Handling of CPU reset and setting of the IPL psw from guest storage at offset 0 is done by a Ultravisor call. Let's only fetch it if necessary. Signed-off-by: Janosch Frank Reviewed-by: Thomas Huth Reviewed-by: David Hildenbrand Reviewed-by: Christian Borntraeger Reviewed-by: Claudio Imbrenda Reviewed-by: Cornelia Huck --- target/s390x/cpu.c | 26 +++++++++++++++++--------- 1 file changed, 17 insertions(+), 9 deletions(-) diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c index 961e3ebdc530cfab..71a0c9b3e55d0cbf 100644 --- a/target/s390x/cpu.c +++ b/target/s390x/cpu.c @@ -77,16 +77,24 @@ static bool s390_cpu_has_work(CPUState *cs) static void s390_cpu_load_normal(CPUState *s) { S390CPU *cpu =3D S390_CPU(s); - uint64_t spsw =3D ldq_phys(s->as, 0); - - cpu->env.psw.mask =3D spsw & PSW_MASK_SHORT_CTRL; - /* - * Invert short psw indication, so SIE will report a specification - * exception if it was not set. - */ - cpu->env.psw.mask ^=3D PSW_MASK_SHORTPSW; - cpu->env.psw.addr =3D spsw & PSW_MASK_SHORT_ADDR; + uint64_t spsw; =20 + if (!s390_is_pv()) { + spsw =3D ldq_phys(s->as, 0); + cpu->env.psw.mask =3D spsw & PSW_MASK_SHORT_CTRL; + /* + * Invert short psw indication, so SIE will report a specification + * exception if it was not set. + */ + cpu->env.psw.mask ^=3D PSW_MASK_SHORTPSW; + cpu->env.psw.addr =3D spsw & PSW_MASK_SHORT_ADDR; + } else { + /* + * Firmware requires us to set the load state before we set + * the cpu to operating on protected guests. + */ + s390_cpu_set_state(S390_CPU_STATE_LOAD, cpu); + } s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu); } #endif --=20 2.25.1