{"id":807766,"url":"http://patchwork.ozlabs.org/api/patches/807766/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20170830165252.13421-21-cohuck@redhat.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20170830165252.13421-21-cohuck@redhat.com>","list_archive_url":null,"date":"2017-08-30T16:52:28","name":"[PULL,20/44] s390x/pci: fence off instructions for non-pci","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"0ba36f5ca866a01024104d7b5748408570901d83","submitter":{"id":71914,"url":"http://patchwork.ozlabs.org/api/people/71914/?format=json","name":"Cornelia Huck","email":"cohuck@redhat.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20170830165252.13421-21-cohuck@redhat.com/mbox/","series":[{"id":656,"url":"http://patchwork.ozlabs.org/api/series/656/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=656","date":"2017-08-30T16:52:08","name":"[PULL,01/44] s390x/css: use macro for event-information pending error recover code","version":1,"mbox":"http://patchwork.ozlabs.org/series/656/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/807766/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/807766/checks/","tags":{},"related":[],"headers":{"Return-Path":"<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=<UNKNOWN>)","ext-mx10.extmail.prod.ext.phx2.redhat.com;\n\tdmarc=none (p=none dis=none) header.from=redhat.com","ext-mx10.extmail.prod.ext.phx2.redhat.com;\n\tspf=fail smtp.mailfrom=cohuck@redhat.com"],"Received":["from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11])\n\t(using TLSv1 with cipher AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xjC0R3Q2Hz9s8P\n\tfor <incoming@patchwork.ozlabs.org>;\n\tThu, 31 Aug 2017 03:19:03 +1000 (AEST)","from localhost ([::1]:51731 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>)\n\tid 1dn6dp-0007m9-4F\n\tfor incoming@patchwork.ozlabs.org; Wed, 30 Aug 2017 13:19:01 -0400","from eggs.gnu.org ([2001:4830:134:3::10]:57127)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from 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(UTC)"],"DMARC-Filter":"OpenDMARC Filter v1.3.2 mx1.redhat.com 299F45D687","From":"Cornelia Huck <cohuck@redhat.com>","To":"peter.maydell@linaro.org","Date":"Wed, 30 Aug 2017 18:52:28 +0200","Message-Id":"<20170830165252.13421-21-cohuck@redhat.com>","In-Reply-To":"<20170830165252.13421-1-cohuck@redhat.com>","References":"<20170830165252.13421-1-cohuck@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\n\t(mx1.redhat.com [10.5.110.39]);\n\tWed, 30 Aug 2017 16:54:30 +0000 (UTC)","X-detected-operating-system":"by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic]\n\t[fuzzy]","X-Received-From":"209.132.183.28","Subject":"[Qemu-devel] [PULL 20/44] s390x/pci: fence off instructions for\n\tnon-pci","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.21","Precedence":"list","List-Id":"<qemu-devel.nongnu.org>","List-Unsubscribe":"<https://lists.nongnu.org/mailman/options/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>","List-Archive":"<http://lists.nongnu.org/archive/html/qemu-devel/>","List-Post":"<mailto:qemu-devel@nongnu.org>","List-Help":"<mailto:qemu-devel-request@nongnu.org?subject=help>","List-Subscribe":"<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=subscribe>","Cc":"thuth@redhat.com, david@redhat.com, Cornelia Huck <cohuck@redhat.com>,\n\tagraf@suse.de, qemu-devel@nongnu.org, borntraeger@de.ibm.com,\n\trth@twiddle.net","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"\"Qemu-devel\"\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>"},"content":"If a guest running on a machine without zpci issues a pci instruction,\nthrow them an exception.\n\nReviewed-by: Thomas Huth <thuth@redhat.com>\nReviewed-by: Halil Pasic <pasic@linux.vnet.ibm.com>\nAcked-by: Christian Borntraeger <borntraeger@de.ibm.com>\nSigned-off-by: Cornelia Huck <cohuck@redhat.com>\n---\n target/s390x/kvm.c | 54 +++++++++++++++++++++++++++++++++++++++++-------------\n 1 file changed, 41 insertions(+), 13 deletions(-)","diff":"diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c\nindex bc62bba5b7..9de165d8b1 100644\n--- a/target/s390x/kvm.c\n+++ b/target/s390x/kvm.c\n@@ -1191,7 +1191,11 @@ static int kvm_clp_service_call(S390CPU *cpu, struct kvm_run *run)\n {\n     uint8_t r2 = (run->s390_sieic.ipb & 0x000f0000) >> 16;\n \n-    return clp_service_call(cpu, r2);\n+    if (s390_has_feat(S390_FEAT_ZPCI)) {\n+        return clp_service_call(cpu, r2);\n+    } else {\n+        return -1;\n+    }\n }\n \n static int kvm_pcilg_service_call(S390CPU *cpu, struct kvm_run *run)\n@@ -1199,7 +1203,11 @@ static int kvm_pcilg_service_call(S390CPU *cpu, struct kvm_run *run)\n     uint8_t r1 = (run->s390_sieic.ipb & 0x00f00000) >> 20;\n     uint8_t r2 = (run->s390_sieic.ipb & 0x000f0000) >> 16;\n \n-    return pcilg_service_call(cpu, r1, r2);\n+    if (s390_has_feat(S390_FEAT_ZPCI)) {\n+        return pcilg_service_call(cpu, r1, r2);\n+    } else {\n+        return -1;\n+    }\n }\n \n static int kvm_pcistg_service_call(S390CPU *cpu, struct kvm_run *run)\n@@ -1207,7 +1215,11 @@ static int kvm_pcistg_service_call(S390CPU *cpu, struct kvm_run *run)\n     uint8_t r1 = (run->s390_sieic.ipb & 0x00f00000) >> 20;\n     uint8_t r2 = (run->s390_sieic.ipb & 0x000f0000) >> 16;\n \n-    return pcistg_service_call(cpu, r1, r2);\n+    if (s390_has_feat(S390_FEAT_ZPCI)) {\n+        return pcistg_service_call(cpu, r1, r2);\n+    } else {\n+        return -1;\n+    }\n }\n \n static int kvm_stpcifc_service_call(S390CPU *cpu, struct kvm_run *run)\n@@ -1216,10 +1228,14 @@ static int kvm_stpcifc_service_call(S390CPU *cpu, struct kvm_run *run)\n     uint64_t fiba;\n     uint8_t ar;\n \n-    cpu_synchronize_state(CPU(cpu));\n-    fiba = get_base_disp_rxy(cpu, run, &ar);\n+    if (s390_has_feat(S390_FEAT_ZPCI)) {\n+        cpu_synchronize_state(CPU(cpu));\n+        fiba = get_base_disp_rxy(cpu, run, &ar);\n \n-    return stpcifc_service_call(cpu, r1, fiba, ar);\n+        return stpcifc_service_call(cpu, r1, fiba, ar);\n+    } else {\n+        return -1;\n+    }\n }\n \n static int kvm_sic_service_call(S390CPU *cpu, struct kvm_run *run)\n@@ -1247,7 +1263,11 @@ static int kvm_rpcit_service_call(S390CPU *cpu, struct kvm_run *run)\n     uint8_t r1 = (run->s390_sieic.ipb & 0x00f00000) >> 20;\n     uint8_t r2 = (run->s390_sieic.ipb & 0x000f0000) >> 16;\n \n-    return rpcit_service_call(cpu, r1, r2);\n+    if (s390_has_feat(S390_FEAT_ZPCI)) {\n+        return rpcit_service_call(cpu, r1, r2);\n+    } else {\n+        return -1;\n+    }\n }\n \n static int kvm_pcistb_service_call(S390CPU *cpu, struct kvm_run *run)\n@@ -1257,10 +1277,14 @@ static int kvm_pcistb_service_call(S390CPU *cpu, struct kvm_run *run)\n     uint64_t gaddr;\n     uint8_t ar;\n \n-    cpu_synchronize_state(CPU(cpu));\n-    gaddr = get_base_disp_rsy(cpu, run, &ar);\n+    if (s390_has_feat(S390_FEAT_ZPCI)) {\n+        cpu_synchronize_state(CPU(cpu));\n+        gaddr = get_base_disp_rsy(cpu, run, &ar);\n \n-    return pcistb_service_call(cpu, r1, r3, gaddr, ar);\n+        return pcistb_service_call(cpu, r1, r3, gaddr, ar);\n+    } else {\n+        return -1;\n+    }\n }\n \n static int kvm_mpcifc_service_call(S390CPU *cpu, struct kvm_run *run)\n@@ -1269,10 +1293,14 @@ static int kvm_mpcifc_service_call(S390CPU *cpu, struct kvm_run *run)\n     uint64_t fiba;\n     uint8_t ar;\n \n-    cpu_synchronize_state(CPU(cpu));\n-    fiba = get_base_disp_rxy(cpu, run, &ar);\n+    if (s390_has_feat(S390_FEAT_ZPCI)) {\n+        cpu_synchronize_state(CPU(cpu));\n+        fiba = get_base_disp_rxy(cpu, run, &ar);\n \n-    return mpcifc_service_call(cpu, r1, fiba, ar);\n+        return mpcifc_service_call(cpu, r1, fiba, ar);\n+    } else {\n+        return -1;\n+    }\n }\n \n static int handle_b9(S390CPU *cpu, struct kvm_run *run, uint8_t ipa1)\n","prefixes":["PULL","20/44"]}