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GET /api/patches/818959/?format=api
{ "id": 818959, "url": "http://patchwork.ozlabs.org/api/patches/818959/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/1506494000-31982-2-git-send-email-Bharat.Bhushan@nxp.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "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": "<1506494000-31982-2-git-send-email-Bharat.Bhushan@nxp.com>", "list_archive_url": null, "date": "2017-09-27T06:33:16", "name": "[v4,1/5] target/arm/kvm: Translate the MSI doorbell in kvm_arch_fixup_msi_route", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "6bcfc5c3173412b5f2dae0dfaa1ee8e1bf6820c2", "submitter": { "id": 70741, "url": "http://patchwork.ozlabs.org/api/people/70741/?format=api", "name": "Bharat Bhushan", "email": "bharat.bhushan@nxp.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/1506494000-31982-2-git-send-email-Bharat.Bhushan@nxp.com/mbox/", "series": [ { "id": 5292, "url": "http://patchwork.ozlabs.org/api/series/5292/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=5292", "date": "2017-09-27T06:33:15", "name": "virtio-iommu: VFIO integration", "version": 4, "mbox": "http://patchwork.ozlabs.org/series/5292/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/818959/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/818959/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; 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Wed, 27 Sep 2017 02:36:35 -0400", "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <Bharat.Bhushan@nxp.com>) id 1dx5xJ-00089l-99\n\tfor qemu-devel@nongnu.org; Wed, 27 Sep 2017 02:36:30 -0400", "from mail-cys01nam02on0081.outbound.protection.outlook.com\n\t([104.47.37.81]:16177\n\thelo=NAM02-CY1-obe.outbound.protection.outlook.com)\n\tby eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from <Bharat.Bhushan@nxp.com>)\n\tid 1dx5xD-000870-3Y; Wed, 27 Sep 2017 02:36:19 -0400", "from BN6PR03CA0013.namprd03.prod.outlook.com (10.168.230.151) by\n\tCY1PR03MB2364.namprd03.prod.outlook.com (10.166.207.151) with\n\tMicrosoft SMTP Server (version=TLS1_2,\n\tcipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id\n\t15.20.77.7; Wed, 27 Sep 2017 06:36:17 +0000", "from BN1BFFO11FD027.protection.gbl (2a01:111:f400:7c10::1:124) by\n\tBN6PR03CA0013.outlook.office365.com (2603:10b6:404:23::23) with\n\tMicrosoft SMTP Server (version=TLS1_2,\n\tcipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id 15.20.56.9 via\n\tFrontend Transport; Wed, 27 Sep 2017 06:36:16 +0000", "from tx30smr01.am.freescale.net (192.88.168.50) by\n\tBN1BFFO11FD027.mail.protection.outlook.com (10.58.144.90) with\n\tMicrosoft SMTP Server (version=TLS1_0,\n\tcipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.20.56.11\n\tvia Frontend Transport; Wed, 27 Sep 2017 06:36:16 +0000", "from localhost.localdomain.ap.freescale.net ([10.232.14.21])\n\tby tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id\n\tv8R6a2N9027330; Tue, 26 Sep 2017 23:36:09 -0700" ], "Received-SPF": "Fail (protection.outlook.com: domain of nxp.com does not\n\tdesignate 192.88.168.50 as permitted sender)\n\treceiver=protection.outlook.com; \n\tclient-ip=192.88.168.50; helo=tx30smr01.am.freescale.net;", "From": "Bharat Bhushan <Bharat.Bhushan@nxp.com>", "To": "<eric.auger@redhat.com>, <eric.auger.pro@gmail.com>,\n\t<peter.maydell@linaro.org>, <alex.williamson@redhat.com>,\n\t<mst@redhat.com>, <qemu-arm@nongnu.org>, <qemu-devel@nongnu.org>", "Date": "Wed, 27 Sep 2017 12:03:16 +0530", "Message-ID": "<1506494000-31982-2-git-send-email-Bharat.Bhushan@nxp.com>", "X-Mailer": "git-send-email 1.9.3", "In-Reply-To": "<1506494000-31982-1-git-send-email-Bharat.Bhushan@nxp.com>", "References": "<1506494000-31982-1-git-send-email-Bharat.Bhushan@nxp.com>", "X-EOPAttributedMessage": "0", "X-Matching-Connectors": "131509677765095109;\n\t(91ab9b29-cfa4-454e-5278-08d120cd25b8); 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BCL:0; PCL:0;\n\tRULEID:(22001)(2017052603199)(201703131430075)(201703131517081);\n\tSRVR:CY1PR03MB2364; ", "X-MS-TrafficTypeDiagnostic": "CY1PR03MB2364:", "X-Exchange-Antispam-Report-Test": "UriScan:(185117386973197);", "X-Microsoft-Antispam-PRVS": "<CY1PR03MB2364720A5A8D7969E0DC262D9A780@CY1PR03MB2364.namprd03.prod.outlook.com>", "X-Exchange-Antispam-Report-CFA-Test": "BCL:0; PCL:0;\n\tRULEID:(100000700101)(100105000095)(100000701101)(100105300095)(100000702101)(100105100095)(6095135)(2401047)(5005006)(8121501046)(100000703101)(100105400095)(10201501046)(93006095)(93001095)(3002001)(6055026)(6096035)(20161123559100)(20161123563025)(20161123556025)(201703131430075)(201703131448075)(201703131433075)(201703161259150)(201703151042153)(20161123565025)(20161123561025)(201708071742011)(100000704101)(100105200095)(100000705101)(100105500095);\n\tSRVR:CY1PR03MB2364; BCL:0; PCL:0;\n\tRULEID:(100000800101)(100110000095)(100000801101)(100110300095)(100000802101)(100110100095)(100000803101)(100110400095)(400006)(100000804101)(100110200095)(100000805101)(100110500095);\n\tSRVR:CY1PR03MB2364; ", "X-Forefront-PRVS": "04433051BF", "SpamDiagnosticOutput": "1:99", "SpamDiagnosticMetadata": "NSPM", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "27 Sep 2017 06:36:16.0882\n\t(UTC)", "X-MS-Exchange-CrossTenant-Id": "5afe0b00-7697-4969-b663-5eab37d5f47e", "X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp": "TenantId=5afe0b00-7697-4969-b663-5eab37d5f47e; \n\tIp=[192.88.168.50]; Helo=[tx30smr01.am.freescale.net]", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "CY1PR03MB2364", "X-detected-operating-system": "by eggs.gnu.org: Windows 7 or 8 [fuzzy]", "X-Received-From": "104.47.37.81", "Subject": "[Qemu-devel] [PATCH v4 1/5] target/arm/kvm: Translate the MSI\n\tdoorbell in kvm_arch_fixup_msi_route", "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": "wei@redhat.com, kevin.tian@intel.com,\n\tBharat Bhushan <Bharat.Bhushan@nxp.com>, marc.zyngier@arm.com,\n\ttn@semihalf.com, will.deacon@arm.com, drjones@redhat.com,\n\trobin.murphy@arm.com, christoffer.dall@linaro.org,\n\tbharatb.yadav@gmail.com", "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": "Translate msi address if device is behind virtio-iommu.\nThis logic is similar to vSMMUv3/Intel iommu emulation.\n\nThis RFC patch does not handle the case where both vsmmuv3 and\nvirtio-iommu are available.\n\nSigned-off-by: Eric Auger <eric.auger@redhat.com>\nSigned-off-by: Bharat Bhushan <Bharat.Bhushan@nxp.com>\n---\nv3->v4\n - No changes\n\n target/arm/kvm.c | 27 +++++++++++++++++++++++++++\n target/arm/trace-events | 3 +++\n 2 files changed, 30 insertions(+)", "diff": "diff --git a/target/arm/kvm.c b/target/arm/kvm.c\nindex 211a7bf..895a630 100644\n--- a/target/arm/kvm.c\n+++ b/target/arm/kvm.c\n@@ -21,7 +21,11 @@\n #include \"kvm_arm.h\"\n #include \"cpu.h\"\n #include \"internals.h\"\n+#include \"trace.h\"\n #include \"hw/arm/arm.h\"\n+#include \"hw/pci/pci.h\"\n+#include \"hw/pci/msi.h\"\n+#include \"hw/virtio/virtio-iommu.h\"\n #include \"exec/memattrs.h\"\n #include \"exec/address-spaces.h\"\n #include \"hw/boards.h\"\n@@ -666,6 +670,29 @@ int kvm_arm_vgic_probe(void)\n int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route,\n uint64_t address, uint32_t data, PCIDevice *dev)\n {\n+ AddressSpace *as = pci_device_iommu_address_space(dev);\n+ IOMMUTLBEntry entry;\n+ IOMMUDevice *sdev;\n+ IOMMUMemoryRegionClass *imrc;\n+\n+ if (as == &address_space_memory) {\n+ return 0;\n+ }\n+\n+ /* MSI doorbell address is translated by an IOMMU */\n+ sdev = container_of(as, IOMMUDevice, as);\n+\n+ imrc = memory_region_get_iommu_class_nocheck(&sdev->iommu_mr);\n+\n+ entry = imrc->translate(&sdev->iommu_mr, address, IOMMU_WO);\n+\n+ route->u.msi.address_lo = entry.translated_addr;\n+ route->u.msi.address_hi = entry.translated_addr >> 32;\n+\n+ trace_kvm_arm_fixup_msi_route(address, sdev->devfn,\n+ sdev->iommu_mr.parent_obj.name,\n+ entry.translated_addr);\n+\n return 0;\n }\n \ndiff --git a/target/arm/trace-events b/target/arm/trace-events\nindex 9e37131..8b3c220 100644\n--- a/target/arm/trace-events\n+++ b/target/arm/trace-events\n@@ -8,3 +8,6 @@ arm_gt_tval_write(int timer, uint64_t value) \"gt_tval_write: timer %d value 0x%\"\n arm_gt_ctl_write(int timer, uint64_t value) \"gt_ctl_write: timer %d value 0x%\" PRIx64\n arm_gt_imask_toggle(int timer, int irqstate) \"gt_ctl_write: timer %d IMASK toggle, new irqstate %d\"\n arm_gt_cntvoff_write(uint64_t value) \"gt_cntvoff_write: value 0x%\" PRIx64\n+\n+# target/arm/kvm.c\n+kvm_arm_fixup_msi_route(uint64_t iova, uint32_t devid, const char *name, uint64_t gpa) \"MSI addr = 0x%\"PRIx64\" is translated for devfn=%d through %s into 0x%\"PRIx64\n", "prefixes": [ "v4", "1/5" ] }