{"id":818961,"url":"http://patchwork.ozlabs.org/api/patches/818961/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/1506494000-31982-6-git-send-email-Bharat.Bhushan@nxp.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":"<1506494000-31982-6-git-send-email-Bharat.Bhushan@nxp.com>","list_archive_url":null,"date":"2017-09-27T06:33:20","name":"[v4,5/5] virtio-iommu: add iommu notifier memory-region","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"e74f9d61b346ba57361c4da0f79d63bf61b5ecc8","submitter":{"id":70741,"url":"http://patchwork.ozlabs.org/api/people/70741/?format=json","name":"Bharat Bhushan","email":"bharat.bhushan@nxp.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/1506494000-31982-6-git-send-email-Bharat.Bhushan@nxp.com/mbox/","series":[{"id":5292,"url":"http://patchwork.ozlabs.org/api/series/5292/?format=json","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/818961/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/818961/checks/","tags":{},"related":[],"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; 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","X-Forefront-PRVS":"04433051BF","SpamDiagnosticOutput":"1:99","SpamDiagnosticMetadata":"NSPM","X-MS-Exchange-CrossTenant-OriginalArrivalTime":"27 Sep 2017 06:36:39.6407\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":"CY1PR03MB2362","X-detected-operating-system":"by eggs.gnu.org: Windows 7 or 8 [fuzzy]","X-Received-From":"104.47.42.44","Subject":"[Qemu-devel] [PATCH v4 5/5] virtio-iommu: add iommu notifier\n\tmemory-region","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":"wei@redhat.com, kevin.tian@intel.com,\n\tBharat Bhushan , 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"},"content":"Finally add notify_flag_changed() to for memory-region\naccess flag iommu flag change notifier\n\nFinally add the memory notifier\n\nSigned-off-by: Bharat Bhushan \n---\nv3->v4:\n - notify_flag_changed functionality moved in separate patch\n - No other changes\n\n hw/virtio/trace-events | 2 ++\n hw/virtio/virtio-iommu.c | 31 +++++++++++++++++++++++++++++++\n 2 files changed, 33 insertions(+)","diff":"diff --git a/hw/virtio/trace-events b/hw/virtio/trace-events\nindex 840d54f..a9de0d4 100644\n--- a/hw/virtio/trace-events\n+++ b/hw/virtio/trace-events\n@@ -52,3 +52,5 @@ virtio_iommu_set_page_size_mask(const char *iommu_mr, uint64_t mask) \"mr=%s page\n virtio_iommu_notify_map(const char *name, hwaddr iova, hwaddr paddr, hwaddr map_size) \"mr=%s iova=0x%\"PRIx64\" pa=0x%\" PRIx64\" size=0x%\"PRIx64\"\"\n virtio_iommu_notify_unmap(const char *name, hwaddr iova, hwaddr map_size) \"mr=%s iova=0x%\"PRIx64\" size=0x%\"PRIx64\"\"\n virtio_iommu_remap(hwaddr iova, hwaddr pa, hwaddr size) \"iova=0x%\"PRIx64\" pa=0x%\" PRIx64\" size=0x%\"PRIx64\"\"\n+virtio_iommu_notify_flag_add(const char *iommu) \"Add virtio-iommu notifier node for memory region %s\"\n+virtio_iommu_notify_flag_del(const char *iommu) \"Del virtio-iommu notifier node for memory region %s\"\ndiff --git a/hw/virtio/virtio-iommu.c b/hw/virtio/virtio-iommu.c\nindex d4d34cf..a9b0d72 100644\n--- a/hw/virtio/virtio-iommu.c\n+++ b/hw/virtio/virtio-iommu.c\n@@ -764,6 +764,36 @@ push:\n }\n }\n \n+static void virtio_iommu_notify_flag_changed(IOMMUMemoryRegion *iommu_mr,\n+ IOMMUNotifierFlag old,\n+ IOMMUNotifierFlag new)\n+{\n+ IOMMUDevice *sdev = container_of(iommu_mr, IOMMUDevice, iommu_mr);\n+ VirtIOIOMMU *s = sdev->viommu;\n+ VirtioIOMMUNotifierNode *node = NULL;\n+ VirtioIOMMUNotifierNode *next_node = NULL;\n+\n+ if (old == IOMMU_NOTIFIER_NONE) {\n+ trace_virtio_iommu_notify_flag_add(iommu_mr->parent_obj.name);\n+ node = g_malloc0(sizeof(*node));\n+ node->iommu_dev = sdev;\n+ QLIST_INSERT_HEAD(&s->notifiers_list, node, next);\n+ return;\n+ }\n+\n+ /* update notifier node with new flags */\n+ QLIST_FOREACH_SAFE(node, &s->notifiers_list, next, next_node) {\n+ if (node->iommu_dev == sdev) {\n+ if (new == IOMMU_NOTIFIER_NONE) {\n+ trace_virtio_iommu_notify_flag_del(iommu_mr->parent_obj.name);\n+ QLIST_REMOVE(node, next);\n+ g_free(node);\n+ }\n+ return;\n+ }\n+ }\n+}\n+\n static IOMMUTLBEntry virtio_iommu_translate(IOMMUMemoryRegion *mr, hwaddr addr,\n IOMMUAccessFlags flag)\n {\n@@ -1041,6 +1071,7 @@ static void virtio_iommu_memory_region_class_init(ObjectClass *klass,\n imrc->translate = virtio_iommu_translate;\n imrc->set_page_size_mask = virtio_iommu_set_page_size_mask;\n imrc->replay = virtio_iommu_replay;\n+ imrc->notify_flag_changed = virtio_iommu_notify_flag_changed;\n }\n \n static const TypeInfo virtio_iommu_info = {\n","prefixes":["v4","5/5"]}