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Mon, 23 Mar 2020 01:47:14 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=pfpt0818; bh=5VTq8e0BSvrMkvHbeSM4C11NEHq1CPgbCZcb3DuRCxY=; b=DReW+a55AYrVaKcxG1LS5CFy/bOsAFdDsatQM6+9vXnnij6G/3LAN378XuCffyfZyizm KNDnZmTxF801KKD7i494uf3Wq7k5WM+YLUeQkw94+DIxRCukaD5vNMnkUl5jOG0GlAKE 4GPDPZPyc9TZm64bBzN5vqleRr6OAVFv1EVsIrtvP5wALtzkXyD67Tr6XrhYNg9AOxjt T1/zNh4rUdjpHaDAymhxqDd4eCqqdtjOqK5ErdZqb6vd2KBSG9ofzD8pW+7juDfwP8wy n7ELydL6WnqCDivblf9fJ8x1IXB5YCz6ijMvA/XQ2+KqHFqKOLdpJDic20nR5XCTa95l lw== From: Bharat Bhushan To: , , , , , , , , , , , , , Subject: [PATCH v9 9/9] virtio-iommu: add iommu notifier memory-region Date: Mon, 23 Mar 2020 14:16:17 +0530 Message-ID: <20200323084617.1782-10-bbhushan2@marvell.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200323084617.1782-1-bbhushan2@marvell.com> References: <20200323084617.1782-1-bbhushan2@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.645 definitions=2020-03-23_02:2020-03-21, 2020-03-23 signatures=0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 67.231.148.174 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @marvell.com) Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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 63fbacdcdc..413792b626 100644 --- a/hw/virtio/virtio-iommu.c +++ b/hw/virtio/virtio-iommu.c @@ -966,6 +966,27 @@ unlock: qemu_mutex_unlock(&s->mutex); } =20 +static int virtio_iommu_notify_flag_changed(IOMMUMemoryRegion *iommu_mr, + IOMMUNotifierFlag old, + IOMMUNotifierFlag new, + Error **errp) +{ + IOMMUDevice *sdev =3D container_of(iommu_mr, IOMMUDevice, iommu_mr); + VirtIOIOMMU *s =3D sdev->viommu; + + if (old =3D=3D 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 =3D=3D 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 =3D VIRTIO_DEVICE(dev); @@ -1187,6 +1208,7 @@ static void virtio_iommu_memory_region_class_init(Obj= ectClass *klass, imrc->translate =3D virtio_iommu_translate; imrc->iommu_set_page_size_mask =3D virtio_iommu_set_page_size_mask; imrc->replay =3D virtio_iommu_replay; + imrc->notify_flag_changed =3D virtio_iommu_notify_flag_changed; } =20 static const TypeInfo virtio_iommu_info =3D { diff --git a/hw/virtio/trace-events b/hw/virtio/trace-events index b0a6e4bda3..6b7495ac3d 100644 --- a/hw/virtio/trace-events +++ b/hw/virtio/trace-events @@ -78,3 +78,5 @@ virtio_iommu_notify_unmap(const char *name, uint64_t iova= , uint64_t map_size) "m virtio_iommu_remap(uint64_t iova, uint64_t pa, uint64_t size) "iova=3D0x%"= PRIx64" pa=3D0x%" PRIx64" size=3D0x%"PRIx64"" virtio_iommu_fill_none_property(uint32_t devid) "devid=3D%d" virtio_iommu_fill_pgsize_mask_property(uint32_t devid, uint64_t pgsize_mas= k, size_t filled) "dev=3D %d, pgsize_mask=3D0x%"PRIx64" filled=3D0x%lx" +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" --=20 2.17.1