diff options
Diffstat (limited to 'hw/s390x/s390-pci-bus.c')
| -rw-r--r-- | hw/s390x/s390-pci-bus.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c index 977e7da..02751f3 100644 --- a/hw/s390x/s390-pci-bus.c +++ b/hw/s390x/s390-pci-bus.c @@ -24,6 +24,8 @@ #include "hw/pci/msi.h" #include "qemu/error-report.h" #include "qemu/module.h" +#include "sysemu/reset.h" +#include "sysemu/runstate.h" #ifndef DEBUG_S390PCI_BUS #define DEBUG_S390PCI_BUS 0 @@ -150,10 +152,30 @@ out: psccb->header.response_code = cpu_to_be16(rc); } +static void s390_pci_shutdown_notifier(Notifier *n, void *opaque) +{ + S390PCIBusDevice *pbdev = container_of(n, S390PCIBusDevice, + shutdown_notifier); + + pci_device_reset(pbdev->pdev); +} + +static void s390_pci_reset_cb(void *opaque) +{ + S390PCIBusDevice *pbdev = opaque; + + pci_device_reset(pbdev->pdev); +} + static void s390_pci_perform_unplug(S390PCIBusDevice *pbdev) { HotplugHandler *hotplug_ctrl; + if (pbdev->pft == ZPCI_PFT_ISM) { + notifier_remove(&pbdev->shutdown_notifier); + qemu_unregister_reset(s390_pci_reset_cb, pbdev); + } + /* Unplug the PCI device */ if (pbdev->pdev) { DeviceState *pdev = DEVICE(pbdev->pdev); @@ -1111,6 +1133,12 @@ static void s390_pcihost_plug(HotplugHandler *hotplug_dev, DeviceState *dev, pbdev->fh |= FH_SHM_VFIO; pbdev->forwarding_assist = false; } + /* Register shutdown notifier and reset callback for ISM devices */ + if (pbdev->pft == ZPCI_PFT_ISM) { + pbdev->shutdown_notifier.notify = s390_pci_shutdown_notifier; + qemu_register_shutdown_notifier(&pbdev->shutdown_notifier); + qemu_register_reset(s390_pci_reset_cb, pbdev); + } } else { pbdev->fh |= FH_SHM_EMUL; /* Always intercept emulated devices */ |