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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/assigned-dev.c
parent6d3e435e708fa32f99b780caf6c5508a606a513b (diff)
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/assigned-dev.c')
-rw-r--r--virt/kvm/assigned-dev.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/virt/kvm/assigned-dev.c b/virt/kvm/assigned-dev.c
index f51e684dd23..057e2cca6af 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;