physmem: keep only one physmem_main

[vpp.git] / src / vlib / main.h

diff --git a/src/vlib/main.h b/src/vlib/main.h
index d9ac144..2eec930 100644 (file)
--- a/src/vlib/main.h
+++ b/src/vlib/main.h
@@ -85,6 +85,8 @@ typedef struct vlib_main_t
 
   /* Jump target to exit main loop with given code. */
   u32 main_loop_exit_set;
+  /* Set e.g. in the SIGTERM signal handler, checked in a safe place... */
+  volatile u32 main_loop_exit_now;
   clib_longjmp_t main_loop_exit;
 #define VLIB_MAIN_LOOP_EXIT_NONE 0
 #define VLIB_MAIN_LOOP_EXIT_PANIC 1
@@ -103,13 +105,23 @@ typedef struct vlib_main_t
 
   vlib_buffer_main_t *buffer_main;
 
-  vlib_physmem_main_t physmem_main;
-
   /* Allocate/free buffer memory for DMA transfers, descriptor rings, etc.
      buffer memory is guaranteed to be cache-aligned. */
-  void *(*os_physmem_alloc_aligned) (vlib_physmem_main_t * pm,
+
+  clib_error_t *(*os_physmem_region_alloc) (struct vlib_main_t * vm,
+                                           char *name, u32 size,
+                                           u8 numa_node, u32 flags,
+                                           vlib_physmem_region_index_t *
+                                           idx);
+
+  void (*os_physmem_region_free) (struct vlib_main_t * vm,
+                                 vlib_physmem_region_index_t idx);
+
+  void *(*os_physmem_alloc_aligned) (struct vlib_main_t * vm,
+                                    vlib_physmem_region_index_t idx,
                                     uword n_bytes, uword alignment);
-  void (*os_physmem_free) (void *x);
+  void (*os_physmem_free) (struct vlib_main_t * vm,
+                          vlib_physmem_region_index_t idx, void *x);
 
   /* Node graph main structure. */
   vlib_node_main_t node_main;
@@ -156,12 +168,13 @@ typedef struct vlib_main_t
   uword *init_functions_called;
 
   /* to compare with node runtime */
-  u32 cpu_index;
+  u32 thread_index;
 
   void **mbuf_alloc_list;
 
   /* List of init functions to call, setup by constructors */
   _vlib_init_function_list_elt_t *init_function_registrations;
+  _vlib_init_function_list_elt_t *worker_init_function_registrations;
   _vlib_init_function_list_elt_t *main_loop_enter_function_registrations;
   _vlib_init_function_list_elt_t *main_loop_exit_function_registrations;
   _vlib_init_function_list_elt_t *api_init_function_registrations;
@@ -173,11 +186,38 @@ typedef struct vlib_main_t
   volatile u32 api_queue_nonempty;
   void (*queue_signal_callback) (struct vlib_main_t *);
   u8 **argv;
+
+  /* debugging */
+  volatile int parked_at_barrier;
+
+  /* Attempt to do a post-mortem elog dump */
+  int elog_post_mortem_dump;
+
+  /*
+   * Need to call vlib_worker_thread_node_runtime_update before
+   * releasing worker thread barrier. Only valid in vlib_global_main.
+   */
+  int need_vlib_worker_thread_node_runtime_update;
+
+  /*
+   * Barrier epoch - Set to current time, each time barrier_sync or
+   * barrier_release is called with zero recursion.
+   */
+  f64 barrier_epoch;
+
+  /* Earliest barrier can be closed again */
+  f64 barrier_no_close_before;
+
+  /* Vector of pending RPC requests */
+  uword *pending_rpc_requests;
+
 } vlib_main_t;
 
 /* Global main structure. */
 extern vlib_main_t vlib_global_main;
 
+void vlib_worker_loop (vlib_main_t * vm);
+
 always_inline f64
 vlib_time_now (vlib_main_t * vm)
 {
@@ -303,6 +343,9 @@ vlib_increment_main_loop_counter (vlib_main_t * vm)
   vm->main_loop_nodes_processed = 0;
   vm->vector_counts_per_main_loop[i] = v;
   vm->node_counts_per_main_loop[i] = n;
+
+  if (PREDICT_FALSE (vm->main_loop_exit_now))
+    clib_longjmp (&vm->main_loop_exit, VLIB_MAIN_LOOP_EXIT_CLI);
 }
 
 always_inline void vlib_set_queue_signal_callback
@@ -314,7 +357,7 @@ always_inline void vlib_set_queue_signal_callback
 /* Main routine. */
 int vlib_main (vlib_main_t * vm, unformat_input_t * input);
 
-/* Thread stacks, for os_get_cpu_number */
+/* Thread stacks, for os_get_thread_index */
 extern u8 **vlib_thread_stacks;
 
 /* Number of thread stacks that the application needs */