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authorSheng Yang <sheng@linux.intel.com>2009-01-06 16:25:11 +0800
committerAvi Kivity <avi@redhat.com>2009-03-24 11:03:02 +0200
commit17071fe74fe0fbfdb03cd9b82f2490447cf1f986 (patch)
tree1090267522ecf64960c0745ccf6dca32927e481d /include/linux/kvm.h
parent67346440e83d2a2f2e9801f370b6240317c7d9bd (diff)
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KVM: Add support to disable MSI for assigned device
MSI is always enabled by default for msi2intx=1. But if msi2intx=0, we have to disable MSI if guest require to do so. The patch also discard unnecessary msi2intx judgment if guest want to update MSI state. Notice KVM_DEV_IRQ_ASSIGN_MSI_ACTION is a mask which should cover all MSI related operations, though we only got one for now. Signed-off-by: Sheng Yang <sheng@linux.intel.com> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'include/linux/kvm.h')
-rw-r--r--include/linux/kvm.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index ae7a12c..73f3480 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -550,6 +550,7 @@ struct kvm_assigned_irq {
#define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
+#define KVM_DEV_IRQ_ASSIGN_MSI_ACTION KVM_DEV_IRQ_ASSIGN_ENABLE_MSI
#define KVM_DEV_IRQ_ASSIGN_ENABLE_MSI (1 << 0)
#endif
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