diff options
Diffstat (limited to 'hw/s390x/s390-pci-bus.c')
| -rw-r--r-- | hw/s390x/s390-pci-bus.c | 38 |
1 files changed, 7 insertions, 31 deletions
diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c index bc17a8cf65..c96a7cba34 100644 --- a/hw/s390x/s390-pci-bus.c +++ b/hw/s390x/s390-pci-bus.c @@ -194,7 +194,7 @@ void s390_pci_sclp_deconfigure(SCCB *sccb) pbdev->state = ZPCI_FS_STANDBY; rc = SCLP_RC_NORMAL_COMPLETION; - if (pbdev->release_timer) { + if (pbdev->unplug_requested) { s390_pci_perform_unplug(pbdev); } } @@ -959,23 +959,6 @@ static void s390_pcihost_plug(HotplugHandler *hotplug_dev, DeviceState *dev, } } -static void s390_pcihost_timer_cb(void *opaque) -{ - S390PCIBusDevice *pbdev = opaque; - - if (pbdev->summary_ind) { - pci_dereg_irqs(pbdev); - } - if (pbdev->iommu->enabled) { - pci_dereg_ioat(pbdev->iommu); - } - - pbdev->state = ZPCI_FS_STANDBY; - s390_pci_generate_plug_event(HP_EVENT_CONFIGURED_TO_STBRES, - pbdev->fh, pbdev->fid); - s390_pci_perform_unplug(pbdev); -} - static void s390_pcihost_unplug(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { @@ -1002,12 +985,6 @@ static void s390_pcihost_unplug(HotplugHandler *hotplug_dev, DeviceState *dev, pbdev->state = ZPCI_FS_RESERVED; } else if (object_dynamic_cast(OBJECT(dev), TYPE_S390_PCI_DEVICE)) { pbdev = S390_PCI_DEVICE(dev); - - if (pbdev->release_timer) { - timer_del(pbdev->release_timer); - timer_free(pbdev->release_timer); - pbdev->release_timer = NULL; - } pbdev->fid = 0; QTAILQ_REMOVE(&s->zpci_devs, pbdev, link); g_hash_table_remove(s->zpci_table, &pbdev->idx); @@ -1054,15 +1031,14 @@ static void s390_pcihost_unplug_request(HotplugHandler *hotplug_dev, s390_pci_perform_unplug(pbdev); break; default: - if (pbdev->release_timer) { - return; - } + /* + * Allow to send multiple requests, e.g. if the guest crashed + * before releasing the device, we would not be able to send + * another request to the same VM (e.g. fresh OS). + */ + pbdev->unplug_requested = true; s390_pci_generate_plug_event(HP_EVENT_DECONFIGURE_REQUEST, pbdev->fh, pbdev->fid); - pbdev->release_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, - s390_pcihost_timer_cb, pbdev); - timer_mod(pbdev->release_timer, - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + HOT_UNPLUG_TIMEOUT); } } else { g_assert_not_reached(); |