Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

pci, pc, virtio: fixes, features

VTD fixes
IR and split irqchip are now the default for Q35
ACPI refactoring
hotplug refactoring
new names for virtio devices
multiple pcie link width/speeds
PCI fixes

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

# gpg: Signature made Thu 20 Dec 2018 18:26:03 GMT
# gpg:                using RSA key 281F0DB8D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>"
# 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: (44 commits)
  x86-iommu: turn on IR by default if proper
  x86-iommu: switch intr_supported to OnOffAuto type
  q35: set split kernel irqchip as default
  pci: Adjust PCI config limit based on bus topology
  spapr_pci: perform unplug via the hotplug handler
  pci/shpc: perform unplug via the hotplug handler
  pci: Reuse pci-bridge hotplug handler handlers for pcie-pci-bridge
  pci/pcie: perform unplug via the hotplug handler
  pci/pcihp: perform unplug via the hotplug handler
  pci/pcihp: overwrite hotplug handler recursively from the start
  pci/pcihp: perform check for bus capability in pre_plug handler
  s390x/pci: rename hotplug handler callbacks
  pci/shpc: rename hotplug handler callbacks
  pci/pcie: rename hotplug handler callbacks
  hw/i386: Remove deprecated machines pc-0.10 and pc-0.11
  hw: acpi: Remove AcpiRsdpDescriptor and fix tests
  hw: acpi: Export and share the ARM RSDP build
  hw: arm: Support both legacy and current RSDP build
  hw: arm: Convert the RSDP build to the buid_append_foo() API
  hw: arm: Carry RSDP specific data through AcpiRsdpData
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 21 insertions, 12 deletions

diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c
index 2374d55fc1..bfb02ee96b 100644
--- a/hw/ppc/spapr_pci.c
+++ b/hw/ppc/spapr_pci.c
@@ -1370,18 +1370,9 @@ static int spapr_create_pci_child_dt(sPAPRPHBState *phb, PCIDevice *dev,
 /* Callback to be called during DRC release. */
 void spapr_phb_remove_pci_device_cb(DeviceState *dev)
 {
-    /* some version guests do not wait for completion of a device
-     * cleanup (generally done asynchronously by the kernel) before
-     * signaling to QEMU that the device is safe, but instead sleep
-     * for some 'safe' period of time. unfortunately on a busy host
-     * this sleep isn't guaranteed to be long enough, resulting in
-     * bad things like IRQ lines being left asserted during final
-     * device removal. to deal with this we call reset just prior
-     * to finalizing the device, which will put the device back into
-     * an 'idle' state, as the device cleanup code expects.
-     */
-    pci_device_reset(PCI_DEVICE(dev));
-    object_unparent(OBJECT(dev));
+    HotplugHandler *hotplug_ctrl = qdev_get_hotplug_handler(dev);
+
+    hotplug_handler_unplug(hotplug_ctrl, dev, &error_abort);
 }
 
 static sPAPRDRConnector *spapr_phb_get_pci_func_drc(sPAPRPHBState *phb,
@@ -1490,6 +1481,23 @@ out:
     }
 }
 
+static void spapr_pci_unplug(HotplugHandler *plug_handler,
+                             DeviceState *plugged_dev, Error **errp)
+{
+    /* some version guests do not wait for completion of a device
+     * cleanup (generally done asynchronously by the kernel) before
+     * signaling to QEMU that the device is safe, but instead sleep
+     * for some 'safe' period of time. unfortunately on a busy host
+     * this sleep isn't guaranteed to be long enough, resulting in
+     * bad things like IRQ lines being left asserted during final
+     * device removal. to deal with this we call reset just prior
+     * to finalizing the device, which will put the device back into
+     * an 'idle' state, as the device cleanup code expects.
+     */
+    pci_device_reset(PCI_DEVICE(plugged_dev));
+    object_unparent(OBJECT(plugged_dev));
+}
+
 static void spapr_pci_unplug_request(HotplugHandler *plug_handler,
                                      DeviceState *plugged_dev, Error **errp)
 {
@@ -1965,6 +1973,7 @@ static void spapr_phb_class_init(ObjectClass *klass, void *data)
     dc->user_creatable = true;
     set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
     hp->plug = spapr_pci_plug;
+    hp->unplug = spapr_pci_unplug;
     hp->unplug_request = spapr_pci_unplug_request;
 }