/*-
* BSD LICENSE
*
- * Copyright(c) 2016 NXP
- * All rights reserved.
+ * Copyright 2016 NXP.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
TAILQ_FOREACH(bus, &rte_bus_list, next) {
ret = bus->scan();
- if (ret) {
+ if (ret)
RTE_LOG(ERR, EAL, "Scan for (%s) bus failed.\n",
bus->name);
- return ret;
- }
}
return 0;
}
ret = bus->probe();
- if (ret) {
+ if (ret)
RTE_LOG(ERR, EAL, "Bus (%s) probe failed.\n",
bus->name);
- return ret;
- }
}
if (vbus) {
ret = vbus->probe();
- if (ret) {
+ if (ret)
RTE_LOG(ERR, EAL, "Bus (%s) probe failed.\n",
vbus->name);
- return ret;
- }
}
return 0;
c[0] = '\0';
return rte_bus_find(NULL, bus_can_parse, name);
}
+
+
+/*
+ * Get iommu class of devices on the bus.
+ */
+enum rte_iova_mode
+rte_bus_get_iommu_class(void)
+{
+ int mode = RTE_IOVA_DC;
+ struct rte_bus *bus;
+
+ TAILQ_FOREACH(bus, &rte_bus_list, next) {
+
+ if (bus->get_iommu_class)
+ mode |= bus->get_iommu_class();
+ }
+
+ if (mode != RTE_IOVA_VA) {
+ /* Use default IOVA mode */
+ mode = RTE_IOVA_PA;
+ }
+ return mode;
+}