eal: report duplicate device event callback

[dpdk.git] / lib / librte_eal / common / eal_private.h

diff --git a/lib/librte_eal/common/eal_private.h b/lib/librte_eal/common/eal_private.h
index 75521d0..4684c4c 100644 (file)
--- a/lib/librte_eal/common/eal_private.h
+++ b/lib/librte_eal/common/eal_private.h
@@ -13,13 +13,15 @@
 #include <rte_lcore.h>
 #include <rte_memory.h>
 
+#include "eal_internal_cfg.h"
+
 /**
  * Structure storing internal configuration (per-lcore)
  */
 struct lcore_config {
        pthread_t thread_id;       /**< pthread identifier */
-       int pipe_master2slave[2];  /**< communication pipe with master */
-       int pipe_slave2master[2];  /**< communication pipe with master */
+       int pipe_main2worker[2];   /**< communication pipe with main */
+       int pipe_worker2main[2];   /**< communication pipe with main */
 
        lcore_function_t * volatile f; /**< function to call */
        void * volatile arg;       /**< argument of function */
@@ -40,7 +42,7 @@ extern struct lcore_config lcore_config[RTE_MAX_LCORE];
  * The global RTE configuration structure.
  */
 struct rte_config {
-       uint32_t master_lcore;       /**< Id of the master lcore */
+       uint32_t main_lcore;         /**< Id of the main lcore */
        uint32_t lcore_count;        /**< Number of available logical cores. */
        uint32_t numa_node_count;    /**< Number of detected NUMA nodes. */
        uint32_t numa_nodes[RTE_MAX_NUMA_NODES]; /**< List of detected NUMA nodes. */
@@ -316,6 +318,45 @@ eal_memseg_list_alloc(struct rte_memseg_list *msl, int reserve_flags);
 void
 eal_memseg_list_populate(struct rte_memseg_list *msl, void *addr, int n_segs);
 
+/**
+ * Distribute available memory between MSLs.
+ *
+ * @return
+ *  0 on success, (-1) on failure.
+ */
+int
+eal_dynmem_memseg_lists_init(void);
+
+/**
+ * Preallocate hugepages for dynamic allocation.
+ *
+ * @return
+ *  0 on success, (-1) on failure.
+ */
+int
+eal_dynmem_hugepage_init(void);
+
+/**
+ * Given the list of hugepage sizes and the number of pages thereof,
+ * calculate the best number of pages of each size to fulfill the request
+ * for RAM on each NUMA node.
+ *
+ * @param memory
+ *  Amounts of memory requested for each NUMA node of RTE_MAX_NUMA_NODES.
+ * @param hp_info
+ *  Information about hugepages of different size.
+ * @param hp_used
+ *  Receives information about used hugepages of each size.
+ * @param num_hp_info
+ *  Number of elements in hp_info and hp_used.
+ * @return
+ *  0 on success, (-1) on failure.
+ */
+int
+eal_dynmem_calc_num_pages_per_socket(
+               uint64_t *memory, struct hugepage_info *hp_info,
+               struct hugepage_info *hp_used, unsigned int num_hp_info);
+
 /**
  * Get cpu core_id.
  *
@@ -355,6 +396,25 @@ uint64_t get_tsc_freq(void);
  */
 uint64_t get_tsc_freq_arch(void);
 
+/**
+ * Allocate a free lcore to associate to a non-EAL thread.
+ *
+ * @return
+ *   - the id of a lcore with role ROLE_NON_EAL on success.
+ *   - RTE_MAX_LCORE if none was available or initializing was refused (see
+ *     rte_lcore_callback_register).
+ */
+unsigned int eal_lcore_non_eal_allocate(void);
+
+/**
+ * Release the lcore used by a non-EAL thread.
+ * Counterpart of eal_lcore_non_eal_allocate().
+ *
+ * @param lcore_id
+ *   The lcore with role ROLE_NON_EAL to release.
+ */
+void eal_lcore_non_eal_release(unsigned int lcore_id);
+
 /**
  * Prepare physical memory mapping
  * i.e. hugepages on Linux and
@@ -595,7 +655,7 @@ void *
 eal_mem_reserve(void *requested_addr, size_t size, int flags);
 
 /**
- * Free memory obtained by eal_mem_reserve() or eal_mem_alloc().
+ * Free memory obtained by eal_mem_reserve() and possibly allocated.
  *
  * If *virt* and *size* describe a part of the reserved region,
  * only this part of the region is freed (accurately up to the system
@@ -627,4 +687,55 @@ eal_mem_free(void *virt, size_t size);
 int
 eal_mem_set_dump(void *virt, size_t size, bool dump);
 
+/**
+ * Sets the runtime directory of DPDK
+ *
+ * @param run_dir
+ *   The new runtime directory path of DPDK
+ * @param size
+ *   The size of the new runtime directory path in bytes.
+ * @return
+ *   0 on success, (-1) on failure.
+ */
+int
+eal_set_runtime_dir(char *run_dir, size_t size);
+
+/**
+ * Get the internal configuration structure.
+ *
+ * @return
+ *   A pointer to the internal configuration structure.
+ */
+struct internal_config *
+eal_get_internal_configuration(void);
+
+/**
+ * Get the current value of the rte_application_usage pointer
+ *
+ * @return
+ *   Pointer to the current value of rte_application_usage .
+ */
+rte_usage_hook_t
+eal_get_application_usage_hook(void);
+
+/**
+ * Instruct primary process that a secondary process wants to attach.
+ */
+bool __rte_mp_enable(void);
+
+/**
+ * Init per-lcore info in current thread.
+ *
+ * @param lcore_id
+ *   identifier of lcore.
+ * @param cpuset
+ *   CPU affinity for this thread.
+ */
+void __rte_thread_init(unsigned int lcore_id, rte_cpuset_t *cpuset);
+
+/**
+ * Uninitialize per-lcore info for current thread.
+ */
+void __rte_thread_uninit(void);
+
 #endif /* _EAL_PRIVATE_H_ */