*/
#include <stdint.h>
+#include <sched.h>
+
+#include <rte_per_lcore.h>
#ifdef __cplusplus
extern "C" {
/** Primary or secondary configuration */
enum rte_proc_type_t process_type;
- /** A set of general status flags */
- unsigned flags;
-
/**
* Pointer to memory configuration, which may be shared across multiple
* Intel DPDK instances
struct rte_mem_config *mem_config;
} __attribute__((__packed__));
-/* Flag definitions for rte_config flags */
-#define EAL_FLG_HIGH_IOPL 1 /**< indicates high IO privilege in a linux env */
-
/**
* Get the global configuration structure.
*
*/
enum rte_proc_type_t rte_eal_process_type(void);
+/**
+ * Request iopl privilege for all RPL.
+ *
+ * This function should be called by pmds which need access to ioports.
+
+ * @return
+ * - On success, returns 0.
+ * - On failure, returns -1.
+ */
+int rte_eal_iopl_init(void);
+
/**
* Initialize the Environment Abstraction Layer (EAL).
*
* This function is to be executed on the MASTER lcore only, as soon
* as possible in the application's main() function.
*
- * The function finishes the initialization process that was started
- * during boot (in case of baremetal) or before main() is called (in
- * case of linuxapp). It puts the SLAVE lcores in the WAIT state.
+ * The function finishes the initialization process before main() is called.
+ * It puts the SLAVE lcores in the WAIT state.
*
* When the multi-partition feature is supported, depending on the
* configuration (if CONFIG_RTE_EAL_MAIN_PARTITION is disabled), this
*/
#define RTE_EAL_MEMPOOL_RWLOCK (&rte_eal_get_configuration()->mem_config->mplock)
-
-/**
- * Utility macro to do a thread-safe tailq 'INSERT' of rte_mem_config
- *
- * @param idx
- * a kind of tailq define in enum rte_tailq_t
- *
- * @param type
- * type of list(tailq head)
- *
- * @param elm
- * The element will be added into the list
- *
- */
-#define RTE_EAL_TAILQ_INSERT_TAIL(idx, type, elm) do { \
- struct type *list; \
- list = RTE_TAILQ_LOOKUP_BY_IDX(idx, type); \
- rte_rwlock_write_lock(RTE_EAL_TAILQ_RWLOCK); \
- TAILQ_INSERT_TAIL(list, elm, next); \
- rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK); \
-} while (0)
-
-/**
- * Utility macro to do a thread-safe tailq 'REMOVE' of rte_mem_config
- *
- * @param idx
- * a kind of tailq define in enum rte_tailq_t
- *
- * @param type
- * type of list(tailq head)
- *
- * @param elm
- * The element will be remove from the list
- *
- */
-#define RTE_EAL_TAILQ_REMOVE(idx, type, elm) do { \
- struct type *list; \
- list = RTE_TAILQ_LOOKUP_BY_IDX(idx, type); \
- rte_rwlock_write_lock(RTE_EAL_TAILQ_RWLOCK); \
- TAILQ_REMOVE(list, elm, next); \
- rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK); \
-} while (0) \
-
-
-/**
- * macro to check TAILQ exist
- *
- * @param idx
- * a kind of tailq define in enum rte_tailq_t
- *
- */
-#define RTE_EAL_TAILQ_EXIST_CHECK(idx) do { \
- if (RTE_TAILQ_LOOKUP_BY_IDX(idx, rte_tailq_head) == NULL){ \
- rte_errno = E_RTE_NO_TAILQ; \
- return NULL; \
- } \
-} while(0)
-
/**
* Whether EAL is using huge pages (disabled by --no-huge option).
* The no-huge mode cannot be used with UIO poll-mode drivers like igb/ixgbe.
*/
int rte_eal_has_hugepages(void);
+/**
+ * A wrap API for syscall gettid.
+ *
+ * @return
+ * On success, returns the thread ID of calling process.
+ * It is always successful.
+ */
+int rte_sys_gettid(void);
+
+/**
+ * Get system unique thread id.
+ *
+ * @return
+ * On success, returns the thread ID of calling process.
+ * It is always successful.
+ */
+static inline int rte_gettid(void)
+{
+ static RTE_DEFINE_PER_LCORE(int, _thread_id) = -1;
+ if (RTE_PER_LCORE(_thread_id) == -1)
+ RTE_PER_LCORE(_thread_id) = rte_sys_gettid();
+ return RTE_PER_LCORE(_thread_id);
+}
+
#ifdef __cplusplus
}
#endif