iommu_cmd_line 32 drivers/iommu/iommu.c static u32 iommu_cmd_line __read_mostly; iommu_cmd_line 73 drivers/iommu/iommu.c iommu_cmd_line |= IOMMU_CMD_LINE_DMA_API; iommu_cmd_line 78 drivers/iommu/iommu.c return !!(iommu_cmd_line & IOMMU_CMD_LINE_DMA_API);