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35 #include <sys/queue.h>
43 #include <rte_memory.h>
44 #include <rte_memzone.h>
45 #include <rte_launch.h>
46 #include <rte_tailq.h>
48 #include <rte_eal_memconfig.h>
49 #include <rte_per_lcore.h>
50 #include <rte_lcore.h>
51 #include <rte_memory.h>
52 #include <rte_atomic.h>
53 #include <rte_branch_prediction.h>
55 #include <rte_string_fns.h>
57 #include "eal_private.h"
62 const char* rte_tailq_names[RTE_MAX_TAILQ] = {
63 #define rte_tailq_elem(idx, name) name,
64 #include <rte_tailq_elem.h>
67 struct rte_tailq_head *
68 rte_eal_tailq_lookup(const char *name)
71 struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
76 for (i = 0; i < RTE_MAX_TAILQ; i++) {
77 if (rte_tailq_names[i] == NULL)
79 if (!strncmp(name, rte_tailq_names[i], RTE_TAILQ_NAMESIZE-1))
80 return &mcfg->tailq_head[i];
86 inline struct rte_tailq_head *
87 rte_eal_tailq_lookup_by_idx(const unsigned tailq_idx)
89 struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
91 if (tailq_idx >= RTE_MAX_TAILQ) {
92 RTE_LOG(ERR, EAL, "%s(): No more room in config\n", __func__);
96 return &mcfg->tailq_head[tailq_idx];
99 struct rte_tailq_head *
100 rte_eal_tailq_reserve(const char *name)
102 return rte_eal_tailq_lookup(name);
105 inline struct rte_tailq_head *
106 rte_eal_tailq_reserve_by_idx(const unsigned tailq_idx)
108 return rte_eal_tailq_lookup_by_idx(tailq_idx);
114 struct rte_mem_config *mcfg;
117 mcfg = rte_eal_get_configuration()->mem_config;
119 rte_rwlock_read_lock(&mcfg->qlock);
120 for (i=0; i < RTE_MAX_TAILQ; i++) {
121 const struct rte_tailq_head *tailq = &mcfg->tailq_head[i];
122 const struct rte_dummy_head *head = &tailq->tailq_head;
124 printf("Tailq %o: qname:<%s>, tqh_first:%p, tqh_last:%p\n", i,
125 (rte_tailq_names[i] != NULL ? rte_tailq_names[i]:"nil"),
126 head->tqh_first, head->tqh_last);
128 rte_rwlock_read_unlock(&mcfg->qlock);
132 rte_eal_tailqs_init(void)
135 struct rte_mem_config *mcfg = NULL;
137 RTE_BUILD_BUG_ON(RTE_MAX_TAILQ < RTE_TAILQ_NUM);
139 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
140 mcfg = rte_eal_get_configuration()->mem_config;
141 for (i = 0; i < RTE_MAX_TAILQ; i++)
142 TAILQ_INIT(&mcfg->tailq_head[i].tailq_head);