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vdpa: Check for iova range at mappings changes

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Check vdpa device range before updating memory regions so we don't add
any outside of it, and report the invalid change if any.

Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Message-Id: <20211014141236.923287-4-eperezma@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
This commit is contained in:
Eugenio Pérez 2021-10-14 16:12:36 +02:00 • committed by Michael S. Tsirkin
parent 032e4d686e
commit 013108b6e5
3 changed files with 50 additions and 15 deletions
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2
include/hw/virtio/vhost-vdpa.h
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@ -13,6 +13,7 @@
#define HW_VIRTIO_VHOST_VDPA_H
#include "hw/virtio/virtio.h"
#include "standard-headers/linux/vhost_types.h"
typedef struct VhostVDPAHostNotifier {
MemoryRegion mr;
@ -24,6 +25,7 @@ typedef struct vhost_vdpa {
uint32_t msg_type;
bool iotlb_batch_begin_sent;
MemoryListener listener;
struct vhost_vdpa_iova_range iova_range;
struct vhost_dev *dev;
VhostVDPAHostNotifier notifier[VIRTIO_QUEUE_MAX];
} VhostVDPA;