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authorPeter Xu <peterx@redhat.com>2016-07-14 13:56:12 +0800
committerMichael S. Tsirkin <mst@redhat.com>2016-07-20 19:30:27 +0300
commit1cf5fd573f536de1eb601ed69127a324e940d37f (patch)
tree5d67a7261759a8159faec8cb8eb44c68ffe1b8ec /include/hw/i386
parent04af0e18bc93c49faa94921b4326ef9261a2fa27 (diff)
x86-iommu: provide x86_iommu_get_default
Instead of searching the device tree every time, one static variable is declared for the default system x86 IOMMU device. Signed-off-by: Peter Xu <peterx@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include/hw/i386')
-rw-r--r--include/hw/i386/x86-iommu.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/hw/i386/x86-iommu.h b/include/hw/i386/x86-iommu.h
index fac693d1b5..b2401a6380 100644
--- a/include/hw/i386/x86-iommu.h
+++ b/include/hw/i386/x86-iommu.h
@@ -45,4 +45,10 @@ struct X86IOMMUState {
SysBusDevice busdev;
};
+/**
+ * x86_iommu_get_default - get default IOMMU device
+ * @return: pointer to default IOMMU device
+ */
+X86IOMMUState *x86_iommu_get_default(void);
+
#endif