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vfio/pci: Pass HostIOMMUDevice to vIOMMU 

With HostIOMMUDevice passed, vIOMMU can check compatibility with host
IOMMU, call into IOMMUFD specific methods, etc.

Originally-by: Yi Liu <yi.l.liu@intel.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Yi Sun <yi.y.sun@linux.intel.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Zhenzhong Duan 2024-06-05 16:30:40 +08:00 committed by Cédric Le Goater
parent b025ea6886
commit ee26474daa
1 changed files with 14 additions and 5 deletions
hw/vfio
pci.c

19
hw/vfio/pci.c
View File

@ -3121,10 +3121,15 @@ static void vfio_realize(PCIDevice *pdev, Error **errp)
vfio_bars_register(vdev);
if (!vfio_add_capabilities(vdev, errp)) {
if (!pci_device_set_iommu_device(pdev, vbasedev->hiod, errp)) {
error_prepend(errp, "Failed to set iommu_device: ");
goto out_teardown;
}
if (!vfio_add_capabilities(vdev, errp)) {
goto out_unset_idev;
}
if (vdev->vga) {
vfio_vga_quirk_setup(vdev);
}
@ -3141,7 +3146,7 @@ static void vfio_realize(PCIDevice *pdev, Error **errp)
error_setg(errp,
"cannot support IGD OpRegion feature on hotplugged "
"device");
goto out_teardown;
goto out_unset_idev;
}
ret = vfio_get_dev_region_info(vbasedev,
@ -3150,11 +3155,11 @@ static void vfio_realize(PCIDevice *pdev, Error **errp)
if (ret) {
error_setg_errno(errp, -ret,
"does not support requested IGD OpRegion feature");
goto out_teardown;
goto out_unset_idev;
}
if (!vfio_pci_igd_opregion_init(vdev, opregion, errp)) {
goto out_teardown;
goto out_unset_idev;
}
}
@ -3238,6 +3243,8 @@ out_deregister:
if (vdev->intx.mmap_timer) {
timer_free(vdev->intx.mmap_timer);
}
out_unset_idev:
pci_device_unset_iommu_device(pdev);
out_teardown:
vfio_teardown_msi(vdev);
vfio_bars_exit(vdev);
@ -3266,6 +3273,7 @@ static void vfio_instance_finalize(Object *obj)
static void vfio_exitfn(PCIDevice *pdev)
{
VFIOPCIDevice *vdev = VFIO_PCI(pdev);
VFIODevice *vbasedev = &vdev->vbasedev;
vfio_unregister_req_notifier(vdev);
vfio_unregister_err_notifier(vdev);
@ -3280,7 +3288,8 @@ static void vfio_exitfn(PCIDevice *pdev)
vfio_teardown_msi(vdev);
vfio_pci_disable_rp_atomics(vdev);
vfio_bars_exit(vdev);
vfio_migration_exit(&vdev->vbasedev);
vfio_migration_exit(vbasedev);
pci_device_unset_iommu_device(pdev);
}
static void vfio_pci_reset(DeviceState *dev)