1 /* 2 * Intel IOMMU unit test. 3 * 4 * Copyright (C) 2016 Red Hat, Inc. 5 * 6 * Authors: 7 * Peter Xu <peterx@redhat.com>, 8 * 9 * This work is licensed under the terms of the GNU LGPL, version 2 or 10 * later. 11 */ 12 13 #include "intel-iommu.h" 14 15 int main(int argc, char *argv[]) 16 { 17 vtd_init(); 18 19 report("fault status check", vtd_readl(DMAR_FSTS_REG) == 0); 20 report("QI enablement", vtd_readl(DMAR_GSTS_REG) & VTD_GCMD_QI); 21 report("DMAR table setup", vtd_readl(DMAR_GSTS_REG) & VTD_GCMD_ROOT); 22 report("IR table setup", vtd_readl(DMAR_GSTS_REG) & VTD_GCMD_IR_TABLE); 23 report("DMAR enablement", vtd_readl(DMAR_GSTS_REG) & VTD_GCMD_DMAR); 24 report("IR enablement", vtd_readl(DMAR_GSTS_REG) & VTD_GCMD_IR); 25 26 return report_summary(); 27 } 28