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36 #include <sys/queue.h>
40 #include "eal_private.h"
42 struct rte_bus_list rte_bus_list =
43 TAILQ_HEAD_INITIALIZER(rte_bus_list);
46 rte_bus_register(struct rte_bus *bus)
49 RTE_VERIFY(bus->name && strlen(bus->name));
50 /* A bus should mandatorily have the scan implemented */
51 RTE_VERIFY(bus->scan);
52 RTE_VERIFY(bus->probe);
54 TAILQ_INSERT_TAIL(&rte_bus_list, bus, next);
55 RTE_LOG(DEBUG, EAL, "Registered [%s] bus.\n", bus->name);
59 rte_bus_unregister(struct rte_bus *bus)
61 TAILQ_REMOVE(&rte_bus_list, bus, next);
62 RTE_LOG(DEBUG, EAL, "Unregistered [%s] bus.\n", bus->name);
65 /* Scan all the buses for registered devices */
70 struct rte_bus *bus = NULL;
72 TAILQ_FOREACH(bus, &rte_bus_list, next) {
75 RTE_LOG(ERR, EAL, "Scan for (%s) bus failed.\n",
84 /* Probe all devices of all buses */
91 TAILQ_FOREACH(bus, &rte_bus_list, next) {
94 RTE_LOG(ERR, EAL, "Bus (%s) probe failed.\n",
103 /* Dump information of a single bus */
105 bus_dump_one(FILE *f, struct rte_bus *bus)
109 /* For now, dump only the bus name */
110 ret = fprintf(f, " %s\n", bus->name);
112 /* Error in case of inability in writing to stream */
120 rte_bus_dump(FILE *f)
125 TAILQ_FOREACH(bus, &rte_bus_list, next) {
126 ret = bus_dump_one(f, bus);
128 RTE_LOG(ERR, EAL, "Unable to write to stream (%d)\n",