From nobody Tue Feb 10 23:53:11 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@nongnu.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@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1517422923707736.4719897444793; Wed, 31 Jan 2018 10:22:03 -0800 (PST) Received: from localhost ([::1]:49676 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1egx1G-0000Q0-Ui for importer@patchew.org; Wed, 31 Jan 2018 13:22:02 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55822) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1egwxK-0006Am-OL for qemu-devel@nongnu.org; Wed, 31 Jan 2018 13:17:59 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1egwxJ-0002X1-Tg for qemu-devel@nongnu.org; Wed, 31 Jan 2018 13:17:58 -0500 Received: from mx1.redhat.com ([209.132.183.28]:41138) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1egwxJ-0002WW-NW; Wed, 31 Jan 2018 13:17:57 -0500 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id E9E648FAC1; Wed, 31 Jan 2018 18:17:56 +0000 (UTC) Received: from localhost (ovpn-116-36.ams2.redhat.com [10.36.116.36]) by smtp.corp.redhat.com (Postfix) with ESMTPS id A836F60BE5; Wed, 31 Jan 2018 18:17:53 +0000 (UTC) From: Cornelia Huck To: qemu-s390x@nongnu.org, qemu-devel@nongnu.org Date: Wed, 31 Jan 2018 19:17:42 +0100 Message-Id: <20180131181742.2037-3-cohuck@redhat.com> In-Reply-To: <20180131181742.2037-1-cohuck@redhat.com> References: <20180131181742.2037-1-cohuck@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.27]); Wed, 31 Jan 2018 18:17:57 +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 2/2] s390x/cpumodel: allow zpci features in qemu model X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Cornelia Huck , david@redhat.com, agraf@suse.de, rth@twiddle.net Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.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" AEN can be provided unconditionally, ZPCI should be turned on manually. With -cpu qemu,zpci=3Don, a 4.15 guest kernel can now successfully detect virtio-pci devices under tcg. Signed-off-by: Cornelia Huck Reviewed-by: David Hildenbrand --- target/s390x/cpu_models.c | 6 ++++++ target/s390x/gen-features.c | 3 +++ 2 files changed, 9 insertions(+) diff --git a/target/s390x/cpu_models.c b/target/s390x/cpu_models.c index 212a5f0697..250d931d7e 100644 --- a/target/s390x/cpu_models.c +++ b/target/s390x/cpu_models.c @@ -23,6 +23,7 @@ #include "qapi/qmp/qbool.h" #ifndef CONFIG_USER_ONLY #include "sysemu/arch_init.h" +#include "hw/pci/pci.h" #endif =20 #define CPUDEF_INIT(_type, _gen, _ec_ga, _mha_pow, _hmfai, _name, _desc) \ @@ -1271,6 +1272,11 @@ static void register_types(void) =20 /* init all bitmaps from gnerated data initially */ s390_init_feat_bitmap(qemu_max_cpu_feat_init, qemu_max_cpu_feat); +#ifndef CONFIG_USER_ONLY + if (!pci_available) { + clear_bit(S390_FEAT_ZPCI, qemu_max_cpu_feat); + } +#endif for (i =3D 0; i < ARRAY_SIZE(s390_cpu_defs); i++) { s390_init_feat_bitmap(s390_cpu_defs[i].base_init, s390_cpu_defs[i].base_feat); diff --git a/target/s390x/gen-features.c b/target/s390x/gen-features.c index 0570f597ec..c7083ed4a8 100644 --- a/target/s390x/gen-features.c +++ b/target/s390x/gen-features.c @@ -574,6 +574,7 @@ static uint16_t qemu_LATEST[] =3D { S390_FEAT_INTERLOCKED_ACCESS_2, S390_FEAT_MSA_EXT_4, S390_FEAT_MSA_EXT_3, + S390_FEAT_ADAPTER_EVENT_NOTIFICATION, }; =20 /* add all new definitions before this point */ @@ -582,6 +583,8 @@ static uint16_t qemu_MAX[] =3D { S390_FEAT_STFLE_53, /* generates a dependency warning, leave it out for now */ S390_FEAT_MSA_EXT_5, + /* only with CONFIG_PCI */ + S390_FEAT_ZPCI, }; =20 /****** END FEATURE DEFS ******/ --=20 2.13.6