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>
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index 4c4937e..dfa54be 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -500,6 +500,7 @@
#define KVM_CAP_HYPERV 44
#define KVM_CAP_HYPERV_VAPIC 45
#define KVM_CAP_HYPERV_SPIN 46
+#define KVM_CAP_PCI_SEGMENT 47
#ifdef KVM_CAP_IRQ_ROUTING
@@ -694,8 +695,9 @@
__u32 busnr;
__u32 devfn;
__u32 flags;
+ __u32 segnr;
union {
- __u32 reserved[12];
+ __u32 reserved[11];
};
};
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index dfde04b..665c370 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -400,6 +400,7 @@
struct work_struct interrupt_work;
struct list_head list;
int assigned_dev_id;
+ int host_segnr;
int host_busnr;
int host_devfn;
unsigned int entries_nr;