From nobody Sun Feb 8 21:28:43 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@gnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@gnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1506631645684944.3522563340065; Thu, 28 Sep 2017 13:47:25 -0700 (PDT) Received: from localhost ([::1]:60812 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dxfiD-0003Sr-SY for importer@patchew.org; Thu, 28 Sep 2017 16:47:13 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53601) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dxfa7-0004rA-EC for qemu-devel@nongnu.org; Thu, 28 Sep 2017 16:38:52 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dxfa6-0003bi-LO for qemu-devel@nongnu.org; Thu, 28 Sep 2017 16:38:51 -0400 Received: from mx1.redhat.com ([209.132.183.28]:37398) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dxfa6-0003bU-Ff for qemu-devel@nongnu.org; Thu, 28 Sep 2017 16:38:50 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 7A7F4883B1; Thu, 28 Sep 2017 20:38:49 +0000 (UTC) Received: from t460s.redhat.com (ovpn-116-18.ams2.redhat.com [10.36.116.18]) by smtp.corp.redhat.com (Postfix) with ESMTP id B49EE17F33; Thu, 28 Sep 2017 20:38:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 7A7F4883B1 Authentication-Results: ext-mx02.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx02.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=david@redhat.com From: David Hildenbrand To: qemu-devel@nongnu.org Date: Thu, 28 Sep 2017 22:37:00 +0200 Message-Id: <20170928203708.9376-23-david@redhat.com> In-Reply-To: <20170928203708.9376-1-david@redhat.com> References: <20170928203708.9376-1-david@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Thu, 28 Sep 2017 20:38:49 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v2 22/30] s390x/tcg: implement SIGP EMERGENCY SIGNAL X-BeenThere: qemu-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: thuth@redhat.com, David Hildenbrand , cohuck@redhat.com, Richard Henderson , Alexander Graf , Christian Borntraeger Errors-To: qemu-devel-bounces+importer=patchew.org@gnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" As preparation for TCG. Signed-off-by: David Hildenbrand Reviewed-by: Richard Henderson --- target/s390x/sigp.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/target/s390x/sigp.c b/target/s390x/sigp.c index 080bce3fba..d492885787 100644 --- a/target/s390x/sigp.c +++ b/target/s390x/sigp.c @@ -76,6 +76,18 @@ static void sigp_external_call(S390CPU *src_cpu, S390CPU= *dst_cpu, SigpInfo *si) } } =20 +static void sigp_emergency(S390CPU *src_cpu, S390CPU *dst_cpu, SigpInfo *s= i) +{ + if (!tcg_enabled()) { + /* handled in KVM */ + set_sigp_status(si, SIGP_STAT_INVALID_ORDER); + return; + } + + cpu_inject_emergency_signal(dst_cpu, src_cpu->env.core_id); + si->cc =3D SIGP_CC_ORDER_CODE_ACCEPTED; +} + static void sigp_start(CPUState *cs, run_on_cpu_data arg) { S390CPU *cpu =3D S390_CPU(cs); @@ -327,6 +339,9 @@ static int handle_sigp_single_dst(S390CPU *cpu, S390CPU= *dst_cpu, uint8_t order, case SIGP_EXTERNAL_CALL: sigp_external_call(cpu, dst_cpu, &si); break; + case SIGP_EMERGENCY: + sigp_emergency(cpu, dst_cpu, &si); + break; case SIGP_START: run_on_cpu(CPU(dst_cpu), sigp_start, RUN_ON_CPU_HOST_PTR(&si)); break; --=20 2.13.5