DPDK  17.11.10
rte_eal.h
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33 
34 #ifndef _RTE_EAL_H_
35 #define _RTE_EAL_H_
36 
43 #include <stdint.h>
44 #include <sched.h>
45 
46 #include <rte_config.h>
47 #include <rte_per_lcore.h>
48 #include <rte_bus.h>
49 
50 #include <rte_pci_dev_feature_defs.h>
51 
52 #ifdef __cplusplus
53 extern "C" {
54 #endif
55 
56 #define RTE_MAGIC 19820526
58 /* Maximum thread_name length. */
59 #define RTE_MAX_THREAD_NAME_LEN 16
60 
65  ROLE_RTE,
66  ROLE_OFF,
67  ROLE_SERVICE,
68 };
69 
74  RTE_PROC_AUTO = -1, /* allow auto-detection of primary/secondary */
75  RTE_PROC_PRIMARY = 0, /* set to zero, so primary is the default */
76  RTE_PROC_SECONDARY,
77 
78  RTE_PROC_INVALID
79 };
80 
84 struct rte_config {
85  uint32_t master_lcore;
86  uint32_t lcore_count;
88  enum rte_lcore_role_t lcore_role[RTE_MAX_LCORE];
92 
95 
101 } __attribute__((__packed__));
102 
110 
119 enum rte_lcore_role_t rte_eal_lcore_role(unsigned lcore_id);
120 
121 
129 
139 int rte_eal_iopl_init(void);
140 
199 int rte_eal_init(int argc, char **argv);
200 
216 int rte_eal_primary_proc_alive(const char *config_file_path);
217 
224 typedef void (*rte_usage_hook_t)(const char * prgname);
225 
249 
253 #define RTE_EAL_TAILQ_RWLOCK (&rte_eal_get_configuration()->mem_config->qlock)
254 
258 #define RTE_EAL_MEMPOOL_RWLOCK (&rte_eal_get_configuration()->mem_config->mplock)
259 
270 int rte_eal_has_hugepages(void);
271 
279 int rte_eal_has_pci(void);
280 
287 int rte_eal_create_uio_dev(void);
288 
296 enum rte_intr_mode rte_eal_vfio_intr_mode(void);
297 
305 int rte_sys_gettid(void);
306 
314 static inline int rte_gettid(void)
315 {
316  static RTE_DEFINE_PER_LCORE(int, _thread_id) = -1;
317  if (RTE_PER_LCORE(_thread_id) == -1)
318  RTE_PER_LCORE(_thread_id) = rte_sys_gettid();
319  return RTE_PER_LCORE(_thread_id);
320 }
321 
329 
336 const char *
338 
339 #ifdef __cplusplus
340 }
341 #endif
342 
343 #endif /* _RTE_EAL_H_ */
uint32_t lcore_count
Definition: rte_eal.h:86
int rte_sys_gettid(void)
enum rte_iova_mode rte_eal_iova_mode(void)
rte_lcore_role_t
Definition: rte_eal.h:64
enum rte_lcore_role_t rte_eal_lcore_role(unsigned lcore_id)
int rte_eal_create_uio_dev(void)
const char * rte_eal_mbuf_default_mempool_ops(void)
int rte_eal_has_hugepages(void)
rte_iova_mode
Definition: rte_bus.h:67
enum rte_intr_mode rte_eal_vfio_intr_mode(void)
enum rte_proc_type_t rte_eal_process_type(void)
uint32_t service_lcore_count
Definition: rte_eal.h:87
#define RTE_DEFINE_PER_LCORE(type, name)
Definition: rte_per_lcore.h:61
enum rte_iova_mode iova_mode
Definition: rte_eal.h:94
struct rte_mem_config * mem_config
Definition: rte_eal.h:100
enum rte_lcore_role_t lcore_role[RTE_MAX_LCORE]
Definition: rte_eal.h:88
struct rte_config * rte_eal_get_configuration(void)
void(* rte_usage_hook_t)(const char *prgname)
Definition: rte_eal.h:224
int rte_eal_primary_proc_alive(const char *config_file_path)
uint32_t master_lcore
Definition: rte_eal.h:85
rte_usage_hook_t rte_set_application_usage_hook(rte_usage_hook_t usage_func)
#define RTE_PER_LCORE(name)
Definition: rte_per_lcore.h:73
rte_proc_type_t
Definition: rte_eal.h:73
int rte_eal_init(int argc, char **argv)
int rte_eal_has_pci(void)
enum rte_proc_type_t process_type
Definition: rte_eal.h:91
static int rte_gettid(void)
Definition: rte_eal.h:314
int rte_eal_iopl_init(void)