{"id":806432,"url":"http://patchwork.ozlabs.org/api/1.0/patches/806432/?format=json","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.0/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":""},"msgid":"<1503907487-2764-5-git-send-email-zyimin@linux.vnet.ibm.com>","date":"2017-08-28T08:04:47","name":"[4/4] s390x/pci: add iommu replay callback","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"20374a1b32e9e5b4e5e1dc10bb2b6ef4d07dcaa8","submitter":{"id":66807,"url":"http://patchwork.ozlabs.org/api/1.0/people/66807/?format=json","name":"Yi Min Zhao","email":"zyimin@linux.vnet.ibm.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/1503907487-2764-5-git-send-email-zyimin@linux.vnet.ibm.com/mbox/","series":[{"id":98,"url":"http://patchwork.ozlabs.org/api/1.0/series/98/?format=json","date":"2017-08-28T08:04:43","name":"four zpci patches","version":1,"mbox":"http://patchwork.ozlabs.org/series/98/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/806432/checks/","tags":{},"headers":{"Return-Path":"","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=)","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 3xgkt01q1rz9sPk\n\tfor ;\n\tMon, 28 Aug 2017 18:08:24 +1000 (AEST)","from localhost ([::1]:37407 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t)\n\tid 1dmF5q-0001XC-4V\n\tfor incoming@patchwork.ozlabs.org; Mon, 28 Aug 2017 04:08:22 -0400","from eggs.gnu.org ([2001:4830:134:3::10]:55445)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from ) id 1dmF2r-00085y-7M\n\tfor qemu-devel@nongnu.org; Mon, 28 Aug 2017 04:05:18 -0400","from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from ) id 1dmF2p-0006D4-TW\n\tfor qemu-devel@nongnu.org; Mon, 28 Aug 2017 04:05:17 -0400","from mx0b-001b2d01.pphosted.com ([148.163.158.5]:34217\n\thelo=mx0a-001b2d01.pphosted.com)\n\tby eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from )\n\tid 1dmF2p-0006Cd-Ni\n\tfor qemu-devel@nongnu.org; Mon, 28 Aug 2017 04:05:15 -0400","from pps.filterd (m0098420.ppops.net [127.0.0.1])\n\tby mx0b-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id\n\tv7S83jhY060222\n\tfor ; Mon, 28 Aug 2017 04:05:15 -0400","from e23smtp02.au.ibm.com (e23smtp02.au.ibm.com [202.81.31.144])\n\tby mx0b-001b2d01.pphosted.com with ESMTP id 2cm9ubcwsx-1\n\t(version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT)\n\tfor ; Mon, 28 Aug 2017 04:05:14 -0400","from localhost\n\tby e23smtp02.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use\n\tOnly! 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Violators will be prosecuted; \n\tMon, 28 Aug 2017 18:05:09 +1000","from d23av02.au.ibm.com (d23av02.au.ibm.com [9.190.235.138])\n\tby d23relay09.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id\n\tv7S858ON38404344\n\tfor ; Mon, 28 Aug 2017 18:05:08 +1000","from d23av02.au.ibm.com (localhost [127.0.0.1])\n\tby d23av02.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id\n\tv7S84x5O026105\n\tfor ; Mon, 28 Aug 2017 18:04:59 +1000","from r35lp25.boeblingen.de.ibm.com (r35lp25.boeblingen.de.ibm.com\n\t[9.152.111.25])\n\tby d23av02.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id\n\tv7S84gjJ025538; Mon, 28 Aug 2017 18:04:56 +1000"],"From":"Yi Min Zhao ","To":"qemu-devel@nongnu.org","Date":"Mon, 28 Aug 2017 10:04:47 +0200","X-Mailer":"git-send-email 2.3.0","In-Reply-To":"<1503907487-2764-1-git-send-email-zyimin@linux.vnet.ibm.com>","References":"<1503907487-2764-1-git-send-email-zyimin@linux.vnet.ibm.com>","X-TM-AS-MML":"disable","x-cbid":"17082808-0004-0000-0000-0000022B8C1C","X-IBM-AV-DETECTION":"SAVI=unused REMOTE=unused XFE=unused","x-cbparentid":"17082808-0005-0000-0000-00005E128931","Message-Id":"<1503907487-2764-5-git-send-email-zyimin@linux.vnet.ibm.com>","X-Proofpoint-Virus-Version":"vendor=fsecure engine=2.50.10432:, ,\n\tdefinitions=2017-08-28_04:, , signatures=0","X-Proofpoint-Spam-Details":"rule=outbound_notspam policy=outbound score=0\n\tspamscore=0 suspectscore=1\n\tmalwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam\n\tadjust=0 reason=mlx scancount=1 engine=8.0.1-1707230000\n\tdefinitions=main-1708280128","X-detected-operating-system":"by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy]","X-Received-From":"148.163.158.5","Subject":"[Qemu-devel] [PATCH 4/4] s390x/pci: add iommu replay callback","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.21","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Cc":"pasic@linux.vnet.ibm.com, zyimin@linux.vnet.ibm.com,\n\trichard.henderson@linaro.org, cohuck@redhat.com,\n\tpmorel@linux.vnet.ibm.com, agraf@suse.de, borntraeger@de.ibm.com","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"\"Qemu-devel\"\n\t"},"content":"Let's introduce iommu replay callback for s390 pci iommu memory region.\nCurrently we don't need any dma mapping replay. So let it return\ndirectly. This implementation will avoid meaningless loops calling\ntranslation callback.\n\nReviewed-by: Pierre Morel \nReviewed-by: Halil Pasic \nSigned-off-by: Yi Min Zhao \n---\n hw/s390x/s390-pci-bus.c | 8 ++++++++\n 1 file changed, 8 insertions(+)","diff":"diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c\nindex 9e1f7ff5c5..359509ccea 100644\n--- a/hw/s390x/s390-pci-bus.c\n+++ b/hw/s390x/s390-pci-bus.c\n@@ -407,6 +407,13 @@ static IOMMUTLBEntry s390_translate_iommu(IOMMUMemoryRegion *mr, hwaddr addr,\n return ret;\n }\n \n+static void s390_pci_iommu_replay(IOMMUMemoryRegion *iommu,\n+ IOMMUNotifier *notifier)\n+{\n+ /* we don't need iommu replay currently */\n+ return;\n+}\n+\n static S390PCIIOMMU *s390_pci_get_iommu(S390pciState *s, PCIBus *bus,\n int devfn)\n {\n@@ -1055,6 +1062,7 @@ static void s390_iommu_memory_region_class_init(ObjectClass *klass, void *data)\n IOMMUMemoryRegionClass *imrc = IOMMU_MEMORY_REGION_CLASS(klass);\n \n imrc->translate = s390_translate_iommu;\n+ imrc->replay = s390_pci_iommu_replay;\n }\n \n static const TypeInfo s390_iommu_memory_region_info = {\n","prefixes":["4/4"]}