eal: add channel for multi-process communication

[dpdk.git] / lib / librte_eal / bsdapp / eal / eal.c

diff --git a/lib/librte_eal/bsdapp/eal/eal.c b/lib/librte_eal/bsdapp/eal/eal.c
index f003f4c..ba1811a 100644 (file)
--- a/lib/librte_eal/bsdapp/eal/eal.c
+++ b/lib/librte_eal/bsdapp/eal/eal.c
@@ -1,7 +1,7 @@
 /*-
  *   BSD LICENSE
  *
- *   Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
+ *   Copyright(c) 2010-2018 Intel Corporation. All rights reserved.
  *   Copyright(c) 2014 6WIND S.A.
  *   All rights reserved.
  *
@@ -48,10 +48,10 @@
 #include <sys/mman.h>
 #include <sys/queue.h>
 
+#include <rte_compat.h>
 #include <rte_common.h>
 #include <rte_debug.h>
 #include <rte_memory.h>
-#include <rte_memzone.h>
 #include <rte_launch.h>
 #include <rte_eal.h>
 #include <rte_eal_memconfig.h>
@@ -66,7 +66,6 @@
 #include <rte_cpuflags.h>
 #include <rte_interrupts.h>
 #include <rte_bus.h>
-#include <rte_pci.h>
 #include <rte_dev.h>
 #include <rte_devargs.h>
 #include <rte_version.h>
@@ -112,6 +111,13 @@ struct internal_config internal_config;
 /* used by rte_rdtsc() */
 int rte_cycles_vmware_tsc_map;
 
+/* Return mbuf pool ops name */
+const char *
+rte_eal_mbuf_default_mempool_ops(void)
+{
+       return internal_config.user_mbuf_pool_ops_name;
+}
+
 /* Return a pointer to the configuration structure */
 struct rte_config *
 rte_eal_get_configuration(void)
@@ -391,6 +397,9 @@ eal_parse_args(int argc, char **argv)
                        continue;
 
                switch (opt) {
+               case OPT_MBUF_POOL_OPS_NAME_NUM:
+                       internal_config.user_mbuf_pool_ops_name = optarg;
+                       break;
                case 'h':
                        eal_usage(prgname);
                        exit(EXIT_SUCCESS);
@@ -541,6 +550,13 @@ rte_eal_init(int argc, char **argv)
                return -1;
        }
 
+       if (eal_plugins_init() < 0) {
+               rte_eal_init_alert("Cannot init plugins\n");
+               rte_errno = EINVAL;
+               rte_atomic32_clear(&run_once);
+               return -1;
+       }
+
        if (eal_option_device_parse()) {
                rte_errno = ENODEV;
                rte_atomic32_clear(&run_once);
@@ -588,6 +604,14 @@ rte_eal_init(int argc, char **argv)
 
        rte_config_init();
 
+       if (rte_mp_channel_init() < 0) {
+               rte_eal_init_alert("failed to init mp channel\n");
+               if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+                       rte_errno = EFAULT;
+                       return -1;
+               }
+       }
+
        if (rte_eal_memory_init() < 0) {
                rte_eal_init_alert("Cannot init memory\n");
                rte_errno = ENOMEM;
@@ -625,9 +649,6 @@ rte_eal_init(int argc, char **argv)
 
        eal_check_mem_on_local_socket();
 
-       if (eal_plugins_init() < 0)
-               rte_eal_init_alert("Cannot init plugins\n");
-
        eal_thread_init_master(rte_config.master_lcore);
 
        ret = eal_thread_dump_affinity(cpuset, RTE_CPU_AFFINITY_STR_LEN);
@@ -697,6 +718,13 @@ rte_eal_init(int argc, char **argv)
        return fctret;
 }
 
+int __rte_experimental
+rte_eal_cleanup(void)
+{
+       rte_service_finalize();
+       return 0;
+}
+
 /* get core role */
 enum rte_lcore_role_t
 rte_eal_lcore_role(unsigned lcore_id)
@@ -709,3 +737,66 @@ rte_eal_process_type(void)
 {
        return rte_config.process_type;
 }
+
+int rte_eal_has_pci(void)
+{
+       return !internal_config.no_pci;
+}
+
+int rte_eal_create_uio_dev(void)
+{
+       return internal_config.create_uio_dev;
+}
+
+enum rte_intr_mode
+rte_eal_vfio_intr_mode(void)
+{
+       return RTE_INTR_MODE_NONE;
+}
+
+/* dummy forward declaration. */
+struct vfio_device_info;
+
+/* dummy prototypes. */
+int rte_vfio_setup_device(const char *sysfs_base, const char *dev_addr,
+               int *vfio_dev_fd, struct vfio_device_info *device_info);
+int rte_vfio_release_device(const char *sysfs_base, const char *dev_addr, int fd);
+int rte_vfio_enable(const char *modname);
+int rte_vfio_is_enabled(const char *modname);
+int rte_vfio_noiommu_is_enabled(void);
+int rte_vfio_clear_group(int vfio_group_fd);
+
+int rte_vfio_setup_device(__rte_unused const char *sysfs_base,
+                     __rte_unused const char *dev_addr,
+                     __rte_unused int *vfio_dev_fd,
+                     __rte_unused struct vfio_device_info *device_info)
+{
+       return -1;
+}
+
+int rte_vfio_release_device(__rte_unused const char *sysfs_base,
+                       __rte_unused const char *dev_addr,
+                       __rte_unused int fd)
+{
+       return -1;
+}
+
+int rte_vfio_enable(__rte_unused const char *modname)
+{
+       return -1;
+}
+
+int rte_vfio_is_enabled(__rte_unused const char *modname)
+{
+       return 0;
+}
+
+int rte_vfio_noiommu_is_enabled(void)
+{
+       return 0;
+}
+
+int rte_vfio_clear_group(__rte_unused int vfio_group_fd)
+{
+       return 0;
+}