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authorZhai, Edwin <edwin.zhai@intel.com>2010-01-29 14:38:44 +0800
committerMarcelo Tosatti <mtosatti@redhat.com>2010-03-01 12:36:06 -0300
commitab9f4ecbb6d39a18e300a0d10a4968c37404aa76 (patch)
tree1f7fba2feaeca2f6d643437167c7b9036c909c98 /virt/kvm/iommu.c
parent6d3e435e708fa32f99b780caf6c5508a606a513b (diff)
downloadvexpress-lsk-ab9f4ecbb6d39a18e300a0d10a4968c37404aa76.tar.gz
KVM: enable PCI multiple-segments for pass-through device
Enable optional parameter (default 0) - PCI segment (or domain) besides BDF, when assigning PCI device to guest. Signed-off-by: Zhai Edwin <edwin.zhai@intel.com> Acked-by: Chris Wright <chrisw@sous-sol.org> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'virt/kvm/iommu.c')
-rw-r--r--virt/kvm/iommu.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/virt/kvm/iommu.c b/virt/kvm/iommu.c
index 65a51432c8e..80fd3ad3b2d 100644
--- a/virt/kvm/iommu.c
+++ b/virt/kvm/iommu.c
@@ -106,7 +106,8 @@ int kvm_assign_device(struct kvm *kvm,
r = iommu_attach_device(domain, &pdev->dev);
if (r) {
- printk(KERN_ERR "assign device %x:%x.%x failed",
+ printk(KERN_ERR "assign device %x:%x:%x.%x failed",
+ pci_domain_nr(pdev->bus),
pdev->bus->number,
PCI_SLOT(pdev->devfn),
PCI_FUNC(pdev->devfn));
@@ -127,7 +128,8 @@ int kvm_assign_device(struct kvm *kvm,
goto out_unmap;
}
- printk(KERN_DEBUG "assign device: host bdf = %x:%x:%x\n",
+ printk(KERN_DEBUG "assign device %x:%x:%x.%x\n",
+ assigned_dev->host_segnr,
assigned_dev->host_busnr,
PCI_SLOT(assigned_dev->host_devfn),
PCI_FUNC(assigned_dev->host_devfn));
@@ -154,7 +156,8 @@ int kvm_deassign_device(struct kvm *kvm,
iommu_detach_device(domain, &pdev->dev);
- printk(KERN_DEBUG "deassign device: host bdf = %x:%x:%x\n",
+ printk(KERN_DEBUG "deassign device %x:%x:%x.%x\n",
+ assigned_dev->host_segnr,
assigned_dev->host_busnr,
PCI_SLOT(assigned_dev->host_devfn),
PCI_FUNC(assigned_dev->host_devfn));