From nobody Mon Feb 9 01:20:26 2026 Delivered-To: importer@patchew.org Received-SPF: temperror (zoho.com: Error in retrieving data from DNS) 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=temperror (zoho.com: Error in retrieving data from DNS) 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 1506632182306839.4472275061859; Thu, 28 Sep 2017 13:56:22 -0700 (PDT) Received: from localhost ([::1]:60852 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dxfqp-0003FE-Fo for importer@patchew.org; Thu, 28 Sep 2017 16:56:07 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53590) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dxfa5-0004oh-BT for qemu-devel@nongnu.org; Thu, 28 Sep 2017 16:38:50 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dxfa4-0003af-HS for qemu-devel@nongnu.org; Thu, 28 Sep 2017 16:38:49 -0400 Received: from mx1.redhat.com ([209.132.183.28]:39708) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dxfa4-0003aF-Bs for qemu-devel@nongnu.org; Thu, 28 Sep 2017 16:38:48 -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 5C4314E4D4; Thu, 28 Sep 2017 20:38:47 +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 9268F17F33; Thu, 28 Sep 2017 20:38:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 5C4314E4D4 Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx09.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 22:36:59 +0200 Message-Id: <20170928203708.9376-22-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 [10.5.110.38]); Thu, 28 Sep 2017 20:38:47 +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 21/30] s390x/tcg: implement SIGP EXTERNAL CALL 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_6 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 | 25 +++++++++++++++++++++++-- 1 file changed, 23 insertions(+), 2 deletions(-) diff --git a/target/s390x/sigp.c b/target/s390x/sigp.c index 063a34ccc7..080bce3fba 100644 --- a/target/s390x/sigp.c +++ b/target/s390x/sigp.c @@ -58,6 +58,24 @@ static void sigp_sense(S390CPU *dst_cpu, SigpInfo *si) } } =20 +static void sigp_external_call(S390CPU *src_cpu, S390CPU *dst_cpu, SigpInf= o *si) +{ + int ret; + + if (!tcg_enabled()) { + /* handled in KVM */ + set_sigp_status(si, SIGP_STAT_INVALID_ORDER); + return; + } + + ret =3D cpu_inject_external_call(dst_cpu, src_cpu->env.core_id); + if (!ret) { + si->cc =3D SIGP_CC_ORDER_CODE_ACCEPTED; + } else { + set_sigp_status(si, SIGP_STAT_EXT_CALL_PENDING); + } +} + static void sigp_start(CPUState *cs, run_on_cpu_data arg) { S390CPU *cpu =3D S390_CPU(cs); @@ -282,7 +300,7 @@ static void sigp_sense_running(S390CPU *dst_cpu, SigpIn= fo *si) } } =20 -static int handle_sigp_single_dst(S390CPU *dst_cpu, uint8_t order, +static int handle_sigp_single_dst(S390CPU *cpu, S390CPU *dst_cpu, uint8_t = order, uint64_t param, uint64_t *status_reg) { SigpInfo si =3D { @@ -306,6 +324,9 @@ static int handle_sigp_single_dst(S390CPU *dst_cpu, uin= t8_t order, case SIGP_SENSE: sigp_sense(dst_cpu, &si); break; + case SIGP_EXTERNAL_CALL: + sigp_external_call(cpu, dst_cpu, &si); + break; case SIGP_START: run_on_cpu(CPU(dst_cpu), sigp_start, RUN_ON_CPU_HOST_PTR(&si)); break; @@ -389,7 +410,7 @@ int handle_sigp(CPUS390XState *env, uint8_t order, uint= 64_t r1, uint64_t r3) default: /* all other sigp orders target a single vcpu */ dst_cpu =3D s390_cpu_addr2state(env->regs[r3]); - ret =3D handle_sigp_single_dst(dst_cpu, order, param, status_reg); + ret =3D handle_sigp_single_dst(cpu, dst_cpu, order, param, status_= reg); } qemu_mutex_unlock(&qemu_sigp_mutex); =20 --=20 2.13.5