diff options
Diffstat (limited to 'hw/s390x/s390-pci-bus.c')
| -rw-r--r-- | hw/s390x/s390-pci-bus.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c index c749d00de8..b934fc80c2 100644 --- a/hw/s390x/s390-pci-bus.c +++ b/hw/s390x/s390-pci-bus.c @@ -478,19 +478,22 @@ static const MemoryRegionOps s390_msi_ctrl_ops = { .endianness = DEVICE_LITTLE_ENDIAN, }; -void s390_pcihost_iommu_configure(S390PCIBusDevice *pbdev, bool enable) +void s390_pci_iommu_enable(S390PCIBusDevice *pbdev) { pbdev->configured = false; + uint64_t size = pbdev->pal - pbdev->pba + 1; - if (enable) { - uint64_t size = pbdev->pal - pbdev->pba + 1; - memory_region_init_iommu(&pbdev->iommu_mr, OBJECT(&pbdev->mr), - &s390_iommu_ops, "iommu-s390", size); - memory_region_add_subregion(&pbdev->mr, pbdev->pba, &pbdev->iommu_mr); - } else { - memory_region_del_subregion(&pbdev->mr, &pbdev->iommu_mr); - } + memory_region_init_iommu(&pbdev->iommu_mr, OBJECT(&pbdev->mr), + &s390_iommu_ops, "iommu-s390", size); + memory_region_add_subregion(&pbdev->mr, pbdev->pba, &pbdev->iommu_mr); + pbdev->configured = true; +} +void s390_pci_iommu_disable(S390PCIBusDevice *pbdev) +{ + pbdev->configured = false; + memory_region_del_subregion(&pbdev->mr, &pbdev->iommu_mr); + object_unparent(OBJECT(&pbdev->iommu_mr)); pbdev->configured = true; } |