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authorPeter Maydell <peter.maydell@linaro.org>2019-09-17 16:24:08 +0100
committerPeter Maydell <peter.maydell@linaro.org>2019-09-17 16:24:08 +0100
commitf39641125996550b76f9ebbfe03430aecc6473c4 (patch)
tree3ae55845e6681349c6c1c11468c2b763a4b5a482 /hw/core
parentf8c3db33a5e863291182f8862ddf81618a7c6194 (diff)
parent44e687a4d9ab327761e221844ced7dc9c23350a5 (diff)
downloadfocaccia-qemu-f39641125996550b76f9ebbfe03430aecc6473c4.tar.gz
focaccia-qemu-f39641125996550b76f9ebbfe03430aecc6473c4.zip
Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
virtio,vhost,pc: features, fixes, cleanups.

Virtio 1.0 support for virtio-mmio.
Misc fixes, cleanups.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Mon 16 Sep 2019 16:17:30 BST
# gpg:                using RSA key 281F0DB8D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17  0970 C350 3912 AFBE 8E67
#      Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA  8A0D 281F 0DB8 D28D 5469

* remotes/mst/tags/for_upstream:
  virtio-mmio: implement modern (v2) personality (virtio-1)
  virtio pmem: user document
  intel_iommu: Remove the caching-mode check during flag change
  pc/q35: Disallow vfio-pci hotplug without VT-d caching mode
  qdev/machine: Introduce hotplug_allowed hook
  intel_iommu: Sanity check vfio-pci config on machine init done
  backends/vhost-user.c: prevent using uninitialized vqs
  vhost-user-blk: prevent using uninitialized vqs
  docs/nvdimm: add example on persistent backend setup
  MAINTAINERS: update virtio-rng and virtio-serial maintainer

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/core')
-rw-r--r--hw/core/qdev.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/hw/core/qdev.c b/hw/core/qdev.c
index 60d66c2f39..cbad6c1d55 100644
--- a/hw/core/qdev.c
+++ b/hw/core/qdev.c
@@ -237,6 +237,23 @@ HotplugHandler *qdev_get_machine_hotplug_handler(DeviceState *dev)
     return NULL;
 }
 
+bool qdev_hotplug_allowed(DeviceState *dev, Error **errp)
+{
+    MachineState *machine;
+    MachineClass *mc;
+    Object *m_obj = qdev_get_machine();
+
+    if (object_dynamic_cast(m_obj, TYPE_MACHINE)) {
+        machine = MACHINE(m_obj);
+        mc = MACHINE_GET_CLASS(machine);
+        if (mc->hotplug_allowed) {
+            return mc->hotplug_allowed(machine, dev, errp);
+        }
+    }
+
+    return true;
+}
+
 HotplugHandler *qdev_get_bus_hotplug_handler(DeviceState *dev)
 {
     if (dev->parent_bus) {