api: refactor vlibmemory

- separate client/server code for both memory and socket apis
- separate memory api code from generic vlib api code
- move unix_shared_memory_fifo to svm and rename to svm_fifo_t
- overall declutter

Change-Id: I90cdd98ff74d0787d58825b914b0f1eafcfa4dc2
Signed-off-by: Florin Coras <fcoras@cisco.com>

1 files changed, 80 insertions, 0 deletions

diff --git a/src/vlibmemory/memory_api.h b/src/vlibmemory/memory_api.h
new file mode 100644
index 00000000000..9b87f5a18fd
--- /dev/null
+++ b/src/vlibmemory/memory_api.h
@@ -0,0 +1,80 @@
+/*
+ *------------------------------------------------------------------
+ * Copyright (c) 2018 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *------------------------------------------------------------------
+ */
+
+#ifndef SRC_VLIBMEMORY_MEMORY_API_H_
+#define SRC_VLIBMEMORY_MEMORY_API_H_
+
+#include <svm/svm.h>
+#include <svm/queue.h>
+#include <vlib/vlib.h>
+#include <vlibapi/api.h>
+#include <vlibmemory/memory_shared.h>
+
+svm_queue_t *vl_api_client_index_to_input_queue (u32 index);
+int vl_mem_api_init (const char *region_name);
+void vl_mem_api_dead_client_scan (api_main_t * am, vl_shmem_hdr_t * shm,
+				  f64 now);
+int vl_mem_api_handle_msg_main (vlib_main_t * vm, vlib_node_runtime_t * node);
+int vl_mem_api_handle_msg_private (vlib_main_t * vm,
+				   vlib_node_runtime_t * node, u32 reg_index);
+vl_api_registration_t *vl_mem_api_client_index_to_registration (u32 handle);
+void vl_mem_api_enable_disable (vlib_main_t * vm, int yesno);
+u32 vl_api_memclnt_create_internal (char *, svm_queue_t *);
+
+static inline u32
+vl_msg_api_handle_get_epoch (u32 index)
+{
+  return (index & VL_API_EPOCH_MASK);
+}
+
+static inline u32
+vl_msg_api_handle_get_index (u32 index)
+{
+  return (index >> VL_API_EPOCH_SHIFT);
+}
+
+static inline u32
+vl_msg_api_handle_from_index_and_epoch (u32 index, u32 epoch)
+{
+  u32 handle;
+  ASSERT (index < 0x00FFFFFF);
+
+  handle = (index << VL_API_EPOCH_SHIFT) | (epoch & VL_API_EPOCH_MASK);
+  return handle;
+}
+
+#define VL_MEM_API_LOG_Q_LEN(fmt,qlen)			\
+if (TRACE_VLIB_MEMORY_QUEUE)				\
+  do {							\
+      ELOG_TYPE_DECLARE (e) = {				\
+        .format = fmt,					\
+        .format_args = "i4",				\
+      };							\
+      struct { u32 len; } *ed;				\
+      ed = ELOG_DATA (&vm->elog_main, e);		\
+      ed->len = qlen;					\
+  } while (0)
+
+#endif /* SRC_VLIBMEMORY_MEMORY_API_H_ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */