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| author | Zhai, Edwin <edwin.zhai@intel.com> | 2010-01-29 14:38:44 +0800 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2010-03-01 12:36:06 -0300 |
| commit | ab9f4ecbb6d39a18e300a0d10a4968c37404aa76 (patch) | |
| tree | 1f7fba2feaeca2f6d643437167c7b9036c909c98 /virt | |
| parent | 6d3e435e708fa32f99b780caf6c5508a606a513b (diff) | |
| download | linux-ab9f4ecbb6d39a18e300a0d10a4968c37404aa76.tar.gz linux-ab9f4ecbb6d39a18e300a0d10a4968c37404aa76.tar.bz2 linux-ab9f4ecbb6d39a18e300a0d10a4968c37404aa76.zip | |
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')
| -rw-r--r-- | virt/kvm/assigned-dev.c | 4 | ||||
| -rw-r--r-- | virt/kvm/iommu.c | 9 |
2 files changed, 9 insertions, 4 deletions
diff --git a/virt/kvm/assigned-dev.c b/virt/kvm/assigned-dev.c index f51e684dd238..057e2cca6af5 100644 --- a/virt/kvm/assigned-dev.c +++ b/virt/kvm/assigned-dev.c @@ -526,7 +526,8 @@ static int kvm_vm_ioctl_assign_device(struct kvm *kvm, r = -ENOMEM; goto out; } - dev = pci_get_bus_and_slot(assigned_dev->busnr, + dev = pci_get_domain_bus_and_slot(assigned_dev->segnr, + assigned_dev->busnr, assigned_dev->devfn); if (!dev) { printk(KERN_INFO "%s: host device not found\n", __func__); @@ -548,6 +549,7 @@ static int kvm_vm_ioctl_assign_device(struct kvm *kvm, pci_reset_function(dev); match->assigned_dev_id = assigned_dev->assigned_dev_id; + match->host_segnr = assigned_dev->segnr; match->host_busnr = assigned_dev->busnr; match->host_devfn = assigned_dev->devfn; match->flags = assigned_dev->flags; diff --git a/virt/kvm/iommu.c b/virt/kvm/iommu.c index 65a51432c8e5..80fd3ad3b2de 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)); |