lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

KVM: enable PCI multiple-segments for pass-through device

Browse Source 
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>
This commit is contained in:
Zhai, Edwin
2010-01-29 14:38:44 +08:00
committed by Marcelo Tosatti
parent 6d3e435e70
commit ab9f4ecbb6
5 changed files with 14 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
virt/kvm/iommu.c
View File

@ -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));