KVM: Use irq routing API for MSI

Merge MSI userspace interface with IRQ routing table. Notice the API have been
changed, and using IRQ routing table would be the only interface kvm-userspace
supported.

Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index 869462ca7625..2163b3dd36e7 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -410,8 +410,16 @@ struct kvm_irq_routing_irqchip {
         __u32 pin;
 };
 
+struct kvm_irq_routing_msi {
+        __u32 address_lo;
+        __u32 address_hi;
+        __u32 data;
+        __u32 pad;
+};
+
 /* gsi routing entry types */
 #define KVM_IRQ_ROUTING_IRQCHIP 1
+#define KVM_IRQ_ROUTING_MSI 2
 
 struct kvm_irq_routing_entry {
         __u32 gsi;
@@ -420,6 +428,7 @@ struct kvm_irq_routing_entry {
         __u32 pad;
         union {
                 struct kvm_irq_routing_irqchip irqchip;
+                struct kvm_irq_routing_msi msi;
                 __u32 pad[8];
         } u;
 };