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Wed, 18 Mar 2020 03:12:53 -0700 Received: from bbhushan2.marvell.com (10.93.176.43) by SC-EXCH03.marvell.com (10.93.176.83) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 18 Mar 2020 03:12:48 -0700 From: Bharat Bhushan To: , , , , , , , , , , , , , Subject: [PATCH v8 8/8] virtio-iommu: add iommu notifier memory-region Date: Wed, 18 Mar 2020 15:41:59 +0530 Message-ID: <20200318101159.8767-9-bbhushan2@marvell.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200318101159.8767-1-bbhushan2@marvell.com> References: <20200318101159.8767-1-bbhushan2@marvell.com> MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.645 definitions=2020-03-18_04:2020-03-18, 2020-03-18 signatures=0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 67.231.156.173 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Bharat Bhushan Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Finally add notify_flag_changed() to for memory-region access flag iommu flag change notifier Finally add the memory notifier Signed-off-by: Bharat Bhushan --- hw/virtio/virtio-iommu.c | 22 ++++++++++++++++++++++ hw/virtio/trace-events | 2 ++ 2 files changed, 24 insertions(+) diff --git a/hw/virtio/virtio-iommu.c b/hw/virtio/virtio-iommu.c index b68644f7c3..515c965e3c 100644 --- a/hw/virtio/virtio-iommu.c +++ b/hw/virtio/virtio-iommu.c @@ -814,6 +814,27 @@ unlock: qemu_mutex_unlock(&s->mutex); } +static int virtio_iommu_notify_flag_changed(IOMMUMemoryRegion *iommu_mr, + IOMMUNotifierFlag old, + IOMMUNotifierFlag new, + Error **errp) +{ + IOMMUDevice *sdev = container_of(iommu_mr, IOMMUDevice, iommu_mr); + VirtIOIOMMU *s = sdev->viommu; + + if (old == IOMMU_NOTIFIER_NONE) { + trace_virtio_iommu_notify_flag_add(iommu_mr->parent_obj.name); + QLIST_INSERT_HEAD(&s->notifiers_list, sdev, next); + return 0; + } + + if (new == IOMMU_NOTIFIER_NONE) { + trace_virtio_iommu_notify_flag_del(iommu_mr->parent_obj.name); + QLIST_REMOVE(sdev, next); + } + return 0; +} + static void virtio_iommu_device_realize(DeviceState *dev, Error **errp) { VirtIODevice *vdev = VIRTIO_DEVICE(dev); @@ -1033,6 +1054,7 @@ static void virtio_iommu_memory_region_class_init(ObjectClass *klass, imrc->translate = virtio_iommu_translate; imrc->iommu_set_page_size_mask = virtio_iommu_set_page_size_mask; imrc->replay = virtio_iommu_replay; + imrc->notify_flag_changed = virtio_iommu_notify_flag_changed; } static const TypeInfo virtio_iommu_info = { diff --git a/hw/virtio/trace-events b/hw/virtio/trace-events index 8bae651191..a486adcf6d 100644 --- a/hw/virtio/trace-events +++ b/hw/virtio/trace-events @@ -76,3 +76,5 @@ virtio_iommu_report_fault(uint8_t reason, uint32_t flags, uint32_t endpoint, uin virtio_iommu_notify_map(const char *name, uint64_t iova, uint64_t paddr, uint64_t map_size) "mr=%s iova=0x%"PRIx64" pa=0x%" PRIx64" size=0x%"PRIx64 virtio_iommu_notify_unmap(const char *name, uint64_t iova, uint64_t map_size) "mr=%s iova=0x%"PRIx64" size=0x%"PRIx64 virtio_iommu_remap(uint64_t iova, uint64_t pa, uint64_t size) "iova=0x%"PRIx64" pa=0x%" PRIx64" size=0x%"PRIx64"" +virtio_iommu_notify_flag_add(const char *iommu) "Add virtio-iommu notifier node for memory region %s" +virtio_iommu_notify_flag_del(const char *iommu) "Del virtio-iommu notifier node for memory region %s" -- 2.17.1