KVM: Add fields for MSI device assignment

Prepared for kvm_arch_assigned_device_msi_dispatch().

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

2 files changed, 11 insertions, 0 deletions

diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index 44fd7fa0af2b..bb283c388a24 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -507,10 +507,17 @@ struct kvm_assigned_irq {
         __u32 guest_irq;
         __u32 flags;
         union {
+                struct {
+                        __u32 addr_lo;
+                        __u32 addr_hi;
+                        __u32 data;
+                } guest_msi;
                 __u32 reserved[12];
         };
 };
 
 #define KVM_DEV_ASSIGN_ENABLE_IOMMU     (1 << 0)
 
+#define KVM_DEV_IRQ_ASSIGN_ENABLE_MSI   (1 << 0)
+
 #endif
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index c3d4b96a08fa..8091a4d90ddf 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -16,6 +16,7 @@
 #include <linux/mm.h>
 #include <linux/preempt.h>
 #include <linux/marker.h>
+#include <linux/msi.h>
 #include <asm/signal.h>
 
 #include <linux/kvm.h>
@@ -307,8 +308,11 @@ struct kvm_assigned_dev_kernel {
         int host_devfn;
         int host_irq;
         int guest_irq;
+        struct msi_msg guest_msi;
 #define KVM_ASSIGNED_DEV_GUEST_INTX     (1 << 0)
+#define KVM_ASSIGNED_DEV_GUEST_MSI      (1 << 1)
 #define KVM_ASSIGNED_DEV_HOST_INTX      (1 << 8)
+#define KVM_ASSIGNED_DEV_HOST_MSI       (1 << 9)
         unsigned long irq_requested_type;
         int irq_source_id;
         struct pci_dev *dev;