@@ -2074,6 +2074,8 @@ static void pci_qdev_realize(DeviceState *qdev, Error **errp)
Error *local_err = NULL;
bool is_default_rom;
+ pci_dev->partially_hotplugged = false;
+
/* initialize cap_present for pci_is_express() and pci_config_size(),
* Note that hybrid PCIs are not set automatically and need to manage
* QEMU_PCI_CAP_EXPRESS manually */
@@ -456,6 +456,9 @@ static void pcie_unplug_device(PCIBus *bus, PCIDevice *dev, void *opaque)
{
HotplugHandler *hotplug_ctrl = qdev_get_hotplug_handler(DEVICE(dev));
+ if (dev->partially_hotplugged) {
+ return;
+ }
hotplug_handler_unplug(hotplug_ctrl, DEVICE(dev), &error_abort);
object_unparent(OBJECT(dev));
}
@@ -265,6 +265,7 @@ typedef struct PCIReqIDCache PCIReqIDCache;
struct PCIDevice {
DeviceState qdev;
+ bool partially_hotplugged;
/* PCI config space */
uint8_t *config;
Only the guest unplug request was triggered. This is needed for the failover feature. In case of a failed migration we need to plug the device back to the guest. Signed-off-by: Jens Freimann <jfreimann@redhat.com> --- hw/pci/pci.c | 2 ++ hw/pci/pcie.c | 3 +++ include/hw/pci/pci.h | 1 + 3 files changed, 6 insertions(+)