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38 #include <sys/queue.h>
40 #include <rte_launch.h>
41 #include <rte_memory.h>
42 #include <rte_memzone.h>
43 #include <rte_tailq.h>
45 #include <rte_atomic.h>
46 #include <rte_per_lcore.h>
47 #include <rte_lcore.h>
50 * Wait until a lcore finished its job.
53 rte_eal_wait_lcore(unsigned slave_id)
55 if (lcore_config[slave_id].state == WAIT)
58 while (lcore_config[slave_id].state != WAIT &&
59 lcore_config[slave_id].state != FINISHED);
63 /* we are in finished state, go to wait state */
64 lcore_config[slave_id].state = WAIT;
65 return lcore_config[slave_id].ret;
69 * Check that every SLAVE lcores are in WAIT state, then call
70 * rte_eal_remote_launch() for all of them. If call_master is true
71 * (set to CALL_MASTER), also call the function on the master lcore.
74 rte_eal_mp_remote_launch(int (*f)(void *), void *arg,
75 enum rte_rmt_call_master_t call_master)
78 int master = rte_get_master_lcore();
80 /* check state of lcores */
81 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
82 if (lcore_config[lcore_id].state != WAIT)
86 /* send messages to cores */
87 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
88 rte_eal_remote_launch(f, arg, lcore_id);
91 if (call_master == CALL_MASTER) {
92 lcore_config[master].ret = f(arg);
93 lcore_config[master].state = FINISHED;
100 * Return the state of the lcore identified by slave_id.
102 enum rte_lcore_state_t
103 rte_eal_get_lcore_state(unsigned lcore_id)
105 return lcore_config[lcore_id].state;
109 * Do a rte_eal_wait_lcore() for every lcore. The return values are
113 rte_eal_mp_wait_lcore(void)
117 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
118 rte_eal_wait_lcore(lcore_id);