vfio: fix maximum number of interrupt for MSI-X

[dpdk.git] / lib / librte_eal / common / include / rte_eal.h

diff --git a/lib/librte_eal/common/include/rte_eal.h b/lib/librte_eal/common/include/rte_eal.h
index d2816a8..03fee50 100644 (file)
--- a/lib/librte_eal/common/include/rte_eal.h
+++ b/lib/librte_eal/common/include/rte_eal.h
@@ -1,7 +1,7 @@
 /*-
  *   BSD LICENSE
  *
- *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ *   Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
  *   All rights reserved.
  *
  *   Redistribution and use in source and binary forms, with or without
@@ -44,6 +44,7 @@
 #include <sched.h>
 
 #include <rte_per_lcore.h>
+#include <rte_config.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -86,7 +87,7 @@ struct rte_config {
 
        /**
         * Pointer to memory configuration, which may be shared across multiple
-        * Intel DPDK instances
+        * DPDK instances
         */
        struct rte_mem_config *mem_config;
 } __attribute__((__packed__));
@@ -145,17 +146,40 @@ int rte_eal_iopl_init(void);
  * This behavior may change in the future.
  *
  * @param argc
- *   The argc argument that was given to the main() function.
+ *   A non-negative value.  If it is greater than 0, the array members
+ *   for argv[0] through argv[argc] (non-inclusive) shall contain pointers
+ *   to strings.
  * @param argv
- *   The argv argument that was given to the main() function.
+ *   An array of strings.  The contents of the array, as well as the strings
+ *   which are pointed to by the array, may be modified by this function.
  * @return
  *   - On success, the number of parsed arguments, which is greater or
  *     equal to zero. After the call to rte_eal_init(),
- *     all arguments argv[x] with x < ret may be modified and should
- *     not be accessed by the application.
+ *     all arguments argv[x] with x < ret may have been modified by this
+ *     function call and should not be further interpreted by the
+ *     application.  The EAL does not take any ownership of the memory used
+ *     for either the argv array, or its members.
  *   - On failure, a negative error value.
  */
 int rte_eal_init(int argc, char **argv);
+
+/**
+ * Check if a primary process is currently alive
+ *
+ * This function returns true when a primary process is currently
+ * active.
+ *
+ * @param config_file_path
+ *   The config_file_path argument provided should point at the location
+ *   that the primary process will create its config file. If NULL, the default
+ *   config file path is used.
+ *
+ * @return
+ *  - If alive, returns 1.
+ *  - If dead, returns 0.
+ */
+int rte_eal_primary_proc_alive(const char *config_file_path);
+
 /**
  * Usage function typedef used by the application usage function.
  *
@@ -234,6 +258,9 @@ static inline int rte_gettid(void)
        return RTE_PER_LCORE(_thread_id);
 }
 
+#define RTE_INIT(func) \
+static void __attribute__((constructor, used)) func(void)
+
 #ifdef __cplusplus
 }
 #endif