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[02/16] kvm: deassign irq for INTx

Message ID 1236865019-30321-3-git-send-email-sheng@linux.intel.com (mailing list archive)
State Superseded
Headers show

Commit Message

Sheng Yang March 12, 2009, 1:36 p.m. UTC 
From: Marcelo Tosatti <mtosatti@redhat.com>

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
---
 qemu/hw/device-assignment.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
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Patch

diff --git a/qemu/hw/device-assignment.c b/qemu/hw/device-assignment.c
index 7c73210..19848b4 100644
--- a/qemu/hw/device-assignment.c
+++ b/qemu/hw/device-assignment.c
@@ -536,6 +536,14 @@  static int assign_irq(AssignedDevInfo *adev)
         calc_assigned_dev_id(dev->h_busnr, dev->h_devfn);
     assigned_irq_data.guest_irq = irq;
     assigned_irq_data.host_irq = dev->real_device.irq;
+#ifdef KVM_CAP_ASSIGN_DEV_IRQ
+    assigned_irq_data.flags = KVM_DEV_IRQ_HOST_INTX | KVM_DEV_IRQ_GUEST_INTX;
+    r = kvm_deassign_irq(kvm_context, &assigned_irq_data);
+    /* -ENXIO means no assigned irq */
+    if (r && r != -ENXIO)
+        perror("assign_irq: deassign");
+#endif
+
     r = kvm_assign_irq(kvm_context, &assigned_irq_data);
     if (r < 0) {
         fprintf(stderr, "Failed to assign irq for \"%s\": %s\n",