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Diffstat (limited to 'virt/kvm/iommu.c')
-rw-r--r--virt/kvm/iommu.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/virt/kvm/iommu.c b/virt/kvm/iommu.c
index 78c80f67f535..a195c07fa829 100644
--- a/virt/kvm/iommu.c
+++ b/virt/kvm/iommu.c
@@ -25,7 +25,9 @@
#include <linux/list.h>
#include <linux/kvm_host.h>
+#include <linux/module.h>
#include <linux/pci.h>
+#include <linux/stat.h>
#include <linux/dmar.h>
#include <linux/iommu.h>
#include <linux/intel-iommu.h>
@@ -187,6 +189,8 @@ int kvm_assign_device(struct kvm *kvm,
goto out_unmap;
}
+ pdev->dev_flags |= PCI_DEV_FLAGS_ASSIGNED;
+
printk(KERN_DEBUG "assign device %x:%x:%x.%x\n",
assigned_dev->host_segnr,
assigned_dev->host_busnr,
@@ -215,6 +219,8 @@ int kvm_deassign_device(struct kvm *kvm,
iommu_detach_device(domain, &pdev->dev);
+ pdev->dev_flags &= ~PCI_DEV_FLAGS_ASSIGNED;
+
printk(KERN_DEBUG "deassign device %x:%x:%x.%x\n",
assigned_dev->host_segnr,
assigned_dev->host_busnr,
@@ -228,12 +234,12 @@ int kvm_iommu_map_guest(struct kvm *kvm)
{
int r;
- if (!iommu_found()) {
+ if (!iommu_present(&pci_bus_type)) {
printk(KERN_ERR "%s: iommu not found\n", __func__);
return -ENODEV;
}
- kvm->arch.iommu_domain = iommu_domain_alloc();
+ kvm->arch.iommu_domain = iommu_domain_alloc(&pci_bus_type);
if (!kvm->arch.iommu_domain)
return -ENOMEM;