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From: Bharat Bhushan <bbhushan2@marvell.com>
To: <peter.maydell@linaro.org>, <peterx@redhat.com>,
	<eric.auger.pro@gmail.com>, <alex.williamson@redhat.com>,
	<kevin.tian@intel.com>, <mst@redhat.com>, <tnowicki@marvell.com>,
	<drjones@redhat.com>, <linuc.decode@gmail.com>,
	<qemu-devel@nongnu.org>, <qemu-arm@nongnu.org>,
	<bharatb.linux@gmail.com>, <jean-philippe@linaro.org>,
	<yang.zhong@intel.com>
Cc: Bharat Bhushan <bbhushan2@marvell.com>
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> (raw)
In-Reply-To: <20200323084617.1782-1-bbhushan2@marvell.com>

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 <bbhushan2@marvell.com>
---
 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);
 }
 
+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);
@@ -1187,6 +1208,7 @@ 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 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=0x%"PRIx64" pa=0x%" PRIx64" size=0x%"PRIx64""
 virtio_iommu_fill_none_property(uint32_t devid) "devid=%d"
 virtio_iommu_fill_pgsize_mask_property(uint32_t devid, uint64_t pgsize_mask, size_t filled) "dev= %d, pgsize_mask=0x%"PRIx64" filled=0x%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"
-- 
2.17.1



  parent reply index

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-23  8:46 [PATCH v9 0/9] virtio-iommu: VFIO integration Bharat Bhushan
2020-03-23  8:46 ` [PATCH v9 1/9] hw/vfio/common: Remove error print on mmio region translation by viommu Bharat Bhushan
2020-03-23 23:08   ` Alex Williamson
2020-03-26 17:35     ` Auger Eric
2020-03-26 17:53       ` Alex Williamson
2020-03-27  5:50         ` [EXT] " Bharat Bhushan
2020-04-02  9:01         ` Bharat Bhushan
2020-04-24 14:17           ` Auger Eric
2020-05-05  9:25             ` Bharat Bhushan
2020-05-05  9:30               ` Auger Eric
2020-05-05  9:46                 ` Bharat Bhushan
2020-05-05 10:18                   ` Bharat Bhushan
2020-05-05 12:05                     ` Auger Eric
2020-05-07 14:40                     ` Auger Eric
2020-03-23  8:46 ` [PATCH v9 2/9] memory: Add interface to set iommu page size mask Bharat Bhushan
2020-03-26 16:06   ` Auger Eric
2020-03-27  5:33     ` [EXT] " Bharat Bhushan
2020-03-27  8:27       ` Auger Eric
2020-03-23  8:46 ` [PATCH v9 3/9] vfio: set iommu page size as per host supported page size Bharat Bhushan
2020-03-23  8:46 ` [PATCH v9 4/9] virtio-iommu: set supported page size mask Bharat Bhushan
2020-03-26 15:51   ` Auger Eric
2020-03-27  5:13     ` [EXT] " Bharat Bhushan
2020-03-27  8:28       ` Auger Eric
2020-03-23  8:46 ` [PATCH v9 5/9] virtio-iommu: Add iommu notifier for map/unmap Bharat Bhushan
2020-03-23  8:46 ` [PATCH v9 6/9] virtio-iommu: Call iommu notifier for attach/detach Bharat Bhushan
2020-03-23  8:46 ` [PATCH v9 7/9] virtio-iommu: add iommu replay Bharat Bhushan
2020-03-23  8:46 ` [PATCH v9 8/9] virtio-iommu: Implement probe request Bharat Bhushan
2020-03-26 15:48   ` Auger Eric
2020-03-27  5:40     ` [EXT] " Bharat Bhushan
2020-03-27  8:34       ` Auger Eric
2020-04-23 16:09   ` Jean-Philippe Brucker
2020-04-24 13:51     ` Auger Eric
2020-05-05  9:06       ` Bharat Bhushan
2020-05-07 14:42         ` Auger Eric
2020-03-23  8:46 ` Bharat Bhushan [this message]
2020-03-23  9:52 ` [PATCH v9 0/9] virtio-iommu: VFIO integration no-reply
2020-03-23  9:59 ` no-reply

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