[PATCH 10/16] kvm: Support MSI convert to INTx in device assignment

[Sheng Yang <sheng@xxxxxxxxxxxxxxx>]

Signed-off-by: Sheng Yang <sheng@xxxxxxxxxxxxxxx>
---
 qemu/hw/device-assignment.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/qemu/hw/device-assignment.c b/qemu/hw/device-assignment.c
index 9a3104b..d404286 100644
--- a/qemu/hw/device-assignment.c
+++ b/qemu/hw/device-assignment.c
@@ -595,7 +595,12 @@ static int assign_irq(AssignedDevInfo *adev)
         if (r && r != -ENXIO)
             perror("assign_irq: deassign");
     }
-    assigned_irq_data.flags = KVM_DEV_IRQ_HOST_INTX | KVM_DEV_IRQ_GUEST_INTX;
+
+    assigned_irq_data.flags = KVM_DEV_IRQ_GUEST_INTX;
+    if (dev->cap.available & ASSIGNED_DEVICE_CAP_MSI)
+        assigned_irq_data.flags |= KVM_DEV_IRQ_HOST_MSI;
+    else
+        assigned_irq_data.flags |= KVM_DEV_IRQ_HOST_INTX;
 #endif
 
     r = kvm_assign_irq(kvm_context, &assigned_irq_data);
-- 
1.5.4.5

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