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37 #include <sys/queue.h>
39 #include <rte_launch.h>
40 #include <rte_memory.h>
41 #include <rte_memzone.h>
43 #include <rte_atomic.h>
44 #include <rte_per_lcore.h>
45 #include <rte_lcore.h>
48 * Wait until a lcore finished its job.
51 rte_eal_wait_lcore(unsigned slave_id)
53 if (lcore_config[slave_id].state == WAIT)
56 while (lcore_config[slave_id].state != WAIT &&
57 lcore_config[slave_id].state != FINISHED);
61 /* we are in finished state, go to wait state */
62 lcore_config[slave_id].state = WAIT;
63 return lcore_config[slave_id].ret;
67 * Check that every SLAVE lcores are in WAIT state, then call
68 * rte_eal_remote_launch() for all of them. If call_master is true
69 * (set to CALL_MASTER), also call the function on the master lcore.
72 rte_eal_mp_remote_launch(int (*f)(void *), void *arg,
73 enum rte_rmt_call_master_t call_master)
76 int master = rte_get_master_lcore();
78 /* check state of lcores */
79 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
80 if (lcore_config[lcore_id].state != WAIT)
84 /* send messages to cores */
85 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
86 rte_eal_remote_launch(f, arg, lcore_id);
89 if (call_master == CALL_MASTER) {
90 lcore_config[master].ret = f(arg);
91 lcore_config[master].state = FINISHED;
98 * Return the state of the lcore identified by slave_id.
100 enum rte_lcore_state_t
101 rte_eal_get_lcore_state(unsigned lcore_id)
103 return lcore_config[lcore_id].state;
107 * Do a rte_eal_wait_lcore() for every lcore. The return values are
111 rte_eal_mp_wait_lcore(void)
115 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
116 rte_eal_wait_lcore(lcore_id);