amd_iommu_acpi_global
static amd_iommu_acpi_global_t *amd_iommu_acpi_global;
amd_iommu_acpi_global = kmem_zalloc(sizeof (amd_iommu_acpi_global_t),
add_global_info(acpi, amd_iommu_acpi_global);
ASSERT(amd_iommu_acpi_global);
return (amd_iommu_acpi_global);