KVM: use the new intel iommu APIs

intel iommu APIs are updated, use the new APIs.

In addition, change kvm_iommu_map_guest() to just create the domain, let kvm_iommu_assign_device() assign device.

Signed-off-by: Weidong Han <weidong.han@intel.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

1 files changed, 6 insertions, 1 deletions

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index fc6127cbea1f..c92b63462b79 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -503,7 +503,12 @@ static int kvm_vm_ioctl_assign_device(struct kvm *kvm,
         list_add(&match->list, &kvm->arch.assigned_dev_head);
 
         if (assigned_dev->flags & KVM_DEV_ASSIGN_ENABLE_IOMMU) {
-                r = kvm_iommu_map_guest(kvm, match);
+                if (!kvm->arch.intel_iommu_domain) {
+                        r = kvm_iommu_map_guest(kvm);
+                        if (r)
+                                goto out_list_del;
+                }
+                r = kvm_assign_device(kvm, match);
                 if (r)
                         goto out_list_del;
         }