diff options
| -rw-r--r-- | hw/pci/pcie.c | 25 | ||||
| -rw-r--r-- | hw/pci/pcie_port.c | 1 | ||||
| -rw-r--r-- | include/hw/pci/pcie.h | 2 |
3 files changed, 20 insertions, 8 deletions
diff --git a/hw/pci/pcie.c b/hw/pci/pcie.c index 2d3d8a047b..230478faab 100644 --- a/hw/pci/pcie.c +++ b/hw/pci/pcie.c @@ -391,10 +391,10 @@ static void pcie_cap_slot_event(PCIDevice *dev, PCIExpressHotPlugEvent event) } static void pcie_cap_slot_plug_common(PCIDevice *hotplug_dev, DeviceState *dev, - uint8_t **exp_cap, Error **errp) + Error **errp) { - *exp_cap = hotplug_dev->config + hotplug_dev->exp.exp_cap; - uint16_t sltsta = pci_get_word(*exp_cap + PCI_EXP_SLTSTA); + uint8_t *exp_cap = hotplug_dev->config + hotplug_dev->exp.exp_cap; + uint16_t sltsta = pci_get_word(exp_cap + PCI_EXP_SLTSTA); PCIE_DEV_PRINTF(PCI_DEVICE(dev), "hotplug state: 0x%x\n", sltsta); if (sltsta & PCI_EXP_SLTSTA_EIS) { @@ -405,14 +405,19 @@ static void pcie_cap_slot_plug_common(PCIDevice *hotplug_dev, DeviceState *dev, } } +void pcie_cap_slot_pre_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev, + Error **errp) +{ + pcie_cap_slot_plug_common(PCI_DEVICE(hotplug_dev), dev, errp); +} + void pcie_cap_slot_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { - uint8_t *exp_cap; + PCIDevice *hotplug_pdev = PCI_DEVICE(hotplug_dev); + uint8_t *exp_cap = hotplug_pdev->config + hotplug_pdev->exp.exp_cap; PCIDevice *pci_dev = PCI_DEVICE(dev); - pcie_cap_slot_plug_common(PCI_DEVICE(hotplug_dev), dev, &exp_cap, errp); - /* Don't send event when device is enabled during qemu machine creation: * it is present on boot, no hotplug event is necessary. We do send an * event when the device is disabled later. */ @@ -458,11 +463,15 @@ static void pcie_unplug_device(PCIBus *bus, PCIDevice *dev, void *opaque) void pcie_cap_slot_unplug_request_cb(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { - uint8_t *exp_cap; + Error *local_err = NULL; PCIDevice *pci_dev = PCI_DEVICE(dev); PCIBus *bus = pci_get_bus(pci_dev); - pcie_cap_slot_plug_common(PCI_DEVICE(hotplug_dev), dev, &exp_cap, errp); + pcie_cap_slot_plug_common(PCI_DEVICE(hotplug_dev), dev, &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } /* In case user cancel the operation of multi-function hot-add, * remove the function that is unexposed to guest individually, diff --git a/hw/pci/pcie_port.c b/hw/pci/pcie_port.c index bc07abc31b..a30291ef54 100644 --- a/hw/pci/pcie_port.c +++ b/hw/pci/pcie_port.c @@ -154,6 +154,7 @@ static void pcie_slot_class_init(ObjectClass *oc, void *data) HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc); dc->props = pcie_slot_props; + hc->pre_plug = pcie_cap_slot_pre_plug_cb; hc->plug = pcie_cap_slot_plug_cb; hc->unplug = pcie_cap_slot_unplug_cb; hc->unplug_request = pcie_cap_slot_unplug_request_cb; diff --git a/include/hw/pci/pcie.h b/include/hw/pci/pcie.h index cd318646a2..5b82a0d244 100644 --- a/include/hw/pci/pcie.h +++ b/include/hw/pci/pcie.h @@ -132,6 +132,8 @@ void pcie_ari_init(PCIDevice *dev, uint16_t offset, uint16_t nextfn); void pcie_dev_ser_num_init(PCIDevice *dev, uint16_t offset, uint64_t ser_num); void pcie_ats_init(PCIDevice *dev, uint16_t offset); +void pcie_cap_slot_pre_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev, + Error **errp); void pcie_cap_slot_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp); void pcie_cap_slot_unplug_cb(HotplugHandler *hotplug_dev, DeviceState *dev, |