diff options
Diffstat (limited to 'hw/vfio/iommufd.c')
| -rw-r--r-- | hw/vfio/iommufd.c | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/hw/vfio/iommufd.c b/hw/vfio/iommufd.c index 232c06d..af1c7ab 100644 --- a/hw/vfio/iommufd.c +++ b/hw/vfio/iommufd.c @@ -46,11 +46,28 @@ static int iommufd_cdev_map(const VFIOContainerBase *bcontainer, hwaddr iova, static int iommufd_cdev_unmap(const VFIOContainerBase *bcontainer, hwaddr iova, ram_addr_t size, - IOMMUTLBEntry *iotlb) + IOMMUTLBEntry *iotlb, bool unmap_all) { const VFIOIOMMUFDContainer *container = container_of(bcontainer, VFIOIOMMUFDContainer, bcontainer); + /* unmap in halves */ + if (unmap_all) { + Int128 llsize = int128_rshift(int128_2_64(), 1); + int ret; + + ret = iommufd_backend_unmap_dma(container->be, container->ioas_id, + 0, int128_get64(llsize)); + + if (ret == 0) { + ret = iommufd_backend_unmap_dma(container->be, container->ioas_id, + int128_get64(llsize), + int128_get64(llsize)); + } + + return ret; + } + /* TODO: Handle dma_unmap_bitmap with iotlb args (migration) */ return iommufd_backend_unmap_dma(container->be, container->ioas_id, iova, size); @@ -588,14 +605,7 @@ found_container: iommufd_cdev_ram_block_discard_disable(false); } - vbasedev->group = 0; - vbasedev->num_irqs = dev_info.num_irqs; - vbasedev->num_regions = dev_info.num_regions; - vbasedev->flags = dev_info.flags; - vbasedev->reset_works = !!(dev_info.flags & VFIO_DEVICE_FLAGS_RESET); - vbasedev->bcontainer = bcontainer; - QLIST_INSERT_HEAD(&bcontainer->device_list, vbasedev, container_next); - QLIST_INSERT_HEAD(&vfio_device_list, vbasedev, global_next); + vfio_device_prepare(vbasedev, bcontainer, &dev_info); trace_iommufd_cdev_device_info(vbasedev->name, devfd, vbasedev->num_irqs, vbasedev->num_regions, vbasedev->flags); @@ -622,9 +632,7 @@ static void iommufd_cdev_detach(VFIODevice *vbasedev) VFIOIOMMUFDContainer *container = container_of(bcontainer, VFIOIOMMUFDContainer, bcontainer); - QLIST_REMOVE(vbasedev, global_next); - QLIST_REMOVE(vbasedev, container_next); - vbasedev->bcontainer = NULL; + vfio_device_unprepare(vbasedev); if (!vbasedev->ram_block_discard_allowed) { iommufd_cdev_ram_block_discard_disable(false); |