From patchwork Fri Nov 29 09:48:06 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Janosch Frank X-Patchwork-Id: 1202450 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.ibm.com 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 ozlabs.org (Postfix) with ESMTPS id 47PVy60Nh0z9s7T for ; Fri, 29 Nov 2019 21:25:17 +1100 (AEDT) Received: from localhost ([::1]:56792 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iadSb-0003JT-9i for incoming@patchwork.ozlabs.org; Fri, 29 Nov 2019 05:25:13 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:48600) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iacto-0003Ha-5k for qemu-devel@nongnu.org; Fri, 29 Nov 2019 04:49:17 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iacti-0005MX-Bj for qemu-devel@nongnu.org; Fri, 29 Nov 2019 04:49:12 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:48856) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iactf-0005Gl-Tv for qemu-devel@nongnu.org; Fri, 29 Nov 2019 04:49:08 -0500 Received: from pps.filterd (m0127361.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id xAT9mw3G164552 for ; Fri, 29 Nov 2019 04:49:06 -0500 Received: from e06smtp04.uk.ibm.com (e06smtp04.uk.ibm.com [195.75.94.100]) by mx0a-001b2d01.pphosted.com with ESMTP id 2wjar9f7jk-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Fri, 29 Nov 2019 04:49:04 -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) Fri, 29 Nov 2019 09:48:43 -0000 Received: from d06av23.portsmouth.uk.ibm.com (d06av23.portsmouth.uk.ibm.com [9.149.105.59]) by b06cxnps3074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id xAT9mfKb51511516 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 29 Nov 2019 09:48:41 GMT Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9FE77A4059; Fri, 29 Nov 2019 09:48:41 +0000 (GMT) Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 027C3A404D; Fri, 29 Nov 2019 09:48:40 +0000 (GMT) Received: from localhost.localdomain (unknown [9.145.188.128]) by d06av23.portsmouth.uk.ibm.com (Postfix) with ESMTP; Fri, 29 Nov 2019 09:48:39 +0000 (GMT) From: Janosch Frank To: qemu-devel@nongnu.org Subject: [PATCH v2 10/13] s390x: protvirt: Set guest IPL PSW Date: Fri, 29 Nov 2019 04:48:06 -0500 X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191129094809.26684-1-frankja@linux.ibm.com> References: <20191129094809.26684-1-frankja@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 x-cbid: 19112909-0016-0000-0000-000002CDD502 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19112909-0017-0000-0000-0000332FBEE8 Message-Id: <20191129094809.26684-11-frankja@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95, 18.0.572 definitions=2019-11-29_02:2019-11-29, 2019-11-29 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 mlxscore=0 phishscore=0 impostorscore=0 clxscore=1015 suspectscore=1 mlxlogscore=999 adultscore=0 malwarescore=0 spamscore=0 bulkscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-1910280000 definitions=main-1911290086 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 148.163.158.5 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: thuth@redhat.com, pmorel@linux.ibm.com, david@redhat.com, cohuck@redhat.com, borntraeger@de.ibm.com, qemu-s390x@nongnu.org, mihajlov@linux.ibm.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" 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 --- hw/s390x/pv.c | 5 +++++ hw/s390x/pv.h | 1 + hw/s390x/s390-virtio-ccw.c | 2 +- linux-headers/linux/kvm.h | 1 + target/s390x/cpu.c | 9 ++++++++- 5 files changed, 16 insertions(+), 2 deletions(-) diff --git a/hw/s390x/pv.c b/hw/s390x/pv.c index 0218070322..106252833f 100644 --- a/hw/s390x/pv.c +++ b/hw/s390x/pv.c @@ -88,6 +88,11 @@ int s390_pv_set_sec_parms(uint64_t origin, uint64_t length) return s390_pv_cmd(KVM_PV_VM_SET_SEC_PARMS, &args); } +int s390_pv_set_ipl_psw(CPUState *cs) +{ + return s390_pv_cmd_vcpu(cs, KVM_PV_VCPU_SET_IPL_PSW, NULL); +} + /* * Called for each component in the SE type IPL parameter block 0. */ diff --git a/hw/s390x/pv.h b/hw/s390x/pv.h index eb074e4bc9..e670c67270 100644 --- a/hw/s390x/pv.h +++ b/hw/s390x/pv.h @@ -18,6 +18,7 @@ int s390_pv_vm_destroy(void); int s390_pv_vcpu_destroy(CPUState *cs); int s390_pv_vcpu_create(CPUState *cs); int s390_pv_set_sec_parms(uint64_t origin, uint64_t length); +int s390_pv_set_ipl_psw(CPUState *cs); int s390_pv_unpack(uint64_t addr, uint64_t size, uint64_t tweak); int s390_pv_perf_clear_reset(void); int s390_pv_verify(void); diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c index 6fcd695b81..1133de9423 100644 --- a/hw/s390x/s390-virtio-ccw.c +++ b/hw/s390x/s390-virtio-ccw.c @@ -408,7 +408,7 @@ static void s390_machine_reset(MachineState *machine) /* Verify integrity */ s390_pv_verify(); env->pv = true; - s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu); + run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL); break; default: g_assert_not_reached(); diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h index 4448d59960..7c6118c703 100644 --- a/linux-headers/linux/kvm.h +++ b/linux-headers/linux/kvm.h @@ -1484,6 +1484,7 @@ enum pv_cmd_id { KVM_PV_VM_UNSHARE, KVM_PV_VCPU_CREATE, KVM_PV_VCPU_DESTROY, + KVM_PV_VCPU_SET_IPL_PSW, }; struct kvm_pv_cmd { diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c index 52fefa1586..8c673dab2c 100644 --- a/target/s390x/cpu.c +++ b/target/s390x/cpu.c @@ -37,6 +37,7 @@ #include "sysemu/hw_accel.h" #include "hw/qdev-properties.h" #ifndef CONFIG_USER_ONLY +#include "hw/s390x/pv.h" #include "hw/boards.h" #include "sysemu/arch_init.h" #include "sysemu/sysemu.h" @@ -76,7 +77,13 @@ static bool s390_cpu_has_work(CPUState *cs) static void s390_cpu_load_normal(CPUState *s) { S390CPU *cpu = S390_CPU(s); - cpu->env.psw.addr = ldl_phys(s->as, 4) & PSW_MASK_ESA_ADDR; + CPUS390XState *env = &cpu->env; + + if (!env->pv) { + cpu->env.psw.addr = ldl_phys(s->as, 4) & PSW_MASK_ESA_ADDR; + } else { + s390_pv_set_ipl_psw(s); + } cpu->env.psw.mask = PSW_MASK_32 | PSW_MASK_64; s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu); }