From patchwork Wed Mar 4 11:42:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Janosch Frank X-Patchwork-Id: 11419981 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 36BE91395 for ; Wed, 4 Mar 2020 11:52:02 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1824020842 for ; Wed, 4 Mar 2020 11:52:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1824020842 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.ibm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:33154 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j9SZF-0004ab-AO for patchwork-qemu-devel@patchwork.kernel.org; Wed, 04 Mar 2020 06:52:01 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:45200) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j9SR4-0006SY-HY for qemu-devel@nongnu.org; Wed, 04 Mar 2020 06:43:35 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j9SR3-0007jB-Hx for qemu-devel@nongnu.org; Wed, 04 Mar 2020 06:43:34 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:61516) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1j9SR3-0007dF-AD for qemu-devel@nongnu.org; Wed, 04 Mar 2020 06:43:33 -0500 Received: from pps.filterd (m0098404.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 024BdaRw139668 for ; Wed, 4 Mar 2020 06:43:22 -0500 Received: from e06smtp04.uk.ibm.com (e06smtp04.uk.ibm.com [195.75.94.100]) by mx0a-001b2d01.pphosted.com with ESMTP id 2yj3es18gq-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Wed, 04 Mar 2020 06:43:22 -0500 Received: from localhost by e06smtp04.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) Wed, 4 Mar 2020 11:43:18 -0000 Received: from d06av24.portsmouth.uk.ibm.com (mk.ibm.com [9.149.105.60]) by b06avi18878370.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 024BhH4c37224716 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 4 Mar 2020 11:43:17 GMT Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 15B9642041; Wed, 4 Mar 2020 11:43:17 +0000 (GMT) Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 52E604203F; Wed, 4 Mar 2020 11:43:16 +0000 (GMT) Received: from localhost.localdomain (unknown [9.152.224.55]) by d06av24.portsmouth.uk.ibm.com (Postfix) with ESMTP; Wed, 4 Mar 2020 11:43:16 +0000 (GMT) From: Janosch Frank To: qemu-devel@nongnu.org Subject: [PATCH v6 09/18] s390x: protvirt: Move STSI data over SIDAD Date: Wed, 4 Mar 2020 06:42:22 -0500 X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200304114231.23493-1-frankja@linux.ibm.com> References: <20200304114231.23493-1-frankja@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 x-cbid: 20030411-0016-0000-0000-000002ED13A8 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 20030411-0017-0000-0000-000033506084 Message-Id: <20200304114231.23493-10-frankja@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.572 definitions=2020-03-04_01:2020-03-04, 2020-03-04 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 malwarescore=0 impostorscore=0 mlxscore=0 phishscore=0 spamscore=0 clxscore=1015 suspectscore=1 bulkscore=0 adultscore=0 priorityscore=1501 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2003040090 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" For protected guests, we need to put the STSI emulation results into the SIDA, so SIE will write them into the guest at the next entry. Signed-off-by: Janosch Frank Acked-by: David Hildenbrand Reviewed-by: David Hildenbrand --- target/s390x/kvm.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c index cdcd538b4f..43fc0c088b 100644 --- a/target/s390x/kvm.c +++ b/target/s390x/kvm.c @@ -1797,11 +1797,16 @@ static int handle_tsch(S390CPU *cpu) static void insert_stsi_3_2_2(S390CPU *cpu, __u64 addr, uint8_t ar) { + CPUS390XState *env = &cpu->env; SysIB_322 sysib; int del; - if (s390_cpu_virt_mem_read(cpu, addr, ar, &sysib, sizeof(sysib))) { - return; + if (env->pv) { + s390_cpu_pv_mem_read(cpu, 0, &sysib, sizeof(sysib)); + } else { + if (s390_cpu_virt_mem_read(cpu, addr, ar, &sysib, sizeof(sysib))) { + return; + } } /* Shift the stack of Extended Names to prepare for our own data */ memmove(&sysib.ext_names[1], &sysib.ext_names[0], @@ -1840,7 +1845,11 @@ static void insert_stsi_3_2_2(S390CPU *cpu, __u64 addr, uint8_t ar) /* Insert UUID */ memcpy(sysib.vm[0].uuid, &qemu_uuid, sizeof(sysib.vm[0].uuid)); - s390_cpu_virt_mem_write(cpu, addr, ar, &sysib, sizeof(sysib)); + if (env->pv) { + s390_cpu_pv_mem_write(cpu, 0, &sysib, sizeof(sysib)); + } else { + s390_cpu_virt_mem_write(cpu, addr, ar, &sysib, sizeof(sysib)); + } } static int handle_stsi(S390CPU *cpu)