iommu: Add domain_has_cap iommu_ops

[mirror_ubuntu-artful-kernel.git] / arch / x86 / kernel / amd_iommu.c

diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index 5113c080f0c442093db228b759946766f59afb06..65c9b58655ff202584df7a6280468fa1f5e222a8 100644 (file)
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -1924,6 +1924,12 @@ static phys_addr_t amd_iommu_iova_to_phys(struct iommu_domain *dom,
        return paddr;
 }
 
+static int amd_iommu_domain_has_cap(struct iommu_domain *domain,
+                                   unsigned long cap)
+{
+       return 0;
+}
+
 static struct iommu_ops amd_iommu_ops = {
        .domain_init = amd_iommu_domain_init,
        .domain_destroy = amd_iommu_domain_destroy,
@@ -1932,5 +1938,6 @@ static struct iommu_ops amd_iommu_ops = {
        .map = amd_iommu_map_range,
        .unmap = amd_iommu_unmap_range,
        .iova_to_phys = amd_iommu_iova_to_phys,
+       .domain_has_cap = amd_iommu_domain_has_cap,
 };