diff options
| author | Tiwei Bie <tiwei.bie@intel.com> | 2018-05-24 18:33:31 +0800 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2018-05-24 21:14:10 +0300 |
| commit | 988a27754bbbc45698f7acb54352e5a1ae699514 (patch) | |
| tree | e4811d50cf0f70d72791b65867304f0ce87f8438 /hw/virtio/vhost.c | |
| parent | 63b88968f139b6a77f2f81e6f1eedf70c0170a85 (diff) | |
vhost: allow backends to filter memory sections
This patch introduces a vhost op for vhost backends to allow
them to filter the memory sections that they can handle.
Signed-off-by: Tiwei Bie <tiwei.bie@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/virtio/vhost.c')
| -rw-r--r-- | hw/virtio/vhost.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c index b08290036d..624ade9682 100644 --- a/hw/virtio/vhost.c +++ b/hw/virtio/vhost.c @@ -386,7 +386,7 @@ static int vhost_verify_ring_mappings(struct vhost_dev *dev, return r; } -static bool vhost_section(MemoryRegionSection *section) +static bool vhost_section(struct vhost_dev *dev, MemoryRegionSection *section) { bool result; bool log_dirty = memory_region_get_dirty_log_mask(section->mr) & @@ -399,6 +399,11 @@ static bool vhost_section(MemoryRegionSection *section) */ result &= !log_dirty; + if (result && dev->vhost_ops->vhost_backend_mem_section_filter) { + result &= + dev->vhost_ops->vhost_backend_mem_section_filter(dev, section); + } + trace_vhost_section(section->mr->name, result); return result; } @@ -632,7 +637,7 @@ static void vhost_region_addnop(MemoryListener *listener, struct vhost_dev *dev = container_of(listener, struct vhost_dev, memory_listener); - if (!vhost_section(section)) { + if (!vhost_section(dev, section)) { return; } vhost_region_add_section(dev, section); |