api: keep api common code in vlibapi
Type: refactor Change-Id: I6edbff9a02fcb3c592ccfe8f47ddb3f848be1b6d Signed-off-by: Damjan Marion <damarion@cisco.com>
This commit is contained in:
@ -11,16 +11,18 @@
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# See the License for the specific language governing permissions and
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# limitations under the License.
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install(
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FILES
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api_helper_macros.h
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add_vpp_library (vlibapi
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SOURCES
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api_shared.c
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node_serialize.c
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memory_shared.c
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INSTALL_HEADERS
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api.h
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vat_helper_macros.h
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api_common.h
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api_helper_macros.h
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api_types.h
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DESTINATION
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${CMAKE_INSTALL_INCLUDEDIR}/vlibapi
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COMPONENT vpp-dev
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vat_helper_macros.h
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memory_shared.h
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)
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src/vlibapi/memory_shared.c
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817
src/vlibapi/memory_shared.c
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File diff suppressed because it is too large
Load Diff
147
src/vlibapi/memory_shared.h
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147
src/vlibapi/memory_shared.h
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@ -0,0 +1,147 @@
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/*
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*------------------------------------------------------------------
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* Copyright (c) 2018 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*------------------------------------------------------------------
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*/
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#ifndef SRC_VLIBMEMORY_MEMORY_SHARED_H_
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#define SRC_VLIBMEMORY_MEMORY_SHARED_H_
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#include <vlibapi/api_common.h>
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#include <vppinfra/error.h>
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/* Allocated in shared memory */
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/*
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* Ring-allocation scheme for client API messages
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*
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* Only one proc/thread has control of a given message buffer.
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* To free a buffer allocated from one of these rings, we clear
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* a field in the buffer (header), and leave.
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*
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* No locks, no hits, no errors...
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*/
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typedef struct ring_alloc_
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{
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svm_queue_t *rp;
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u16 size;
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u16 nitems;
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u32 hits;
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u32 misses;
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} ring_alloc_t;
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typedef enum
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{
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VL_API_VLIB_RING,
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VL_API_CLIENT_RING,
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VL_API_QUEUE
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} vl_api_shm_config_type_t;
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typedef struct vl_api_shm_elem_config_
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{
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u8 type;
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u8 _pad;
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u16 count;
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u32 size;
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} vl_api_shm_elem_config_t;
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STATIC_ASSERT (sizeof (vl_api_shm_elem_config_t) == 8,
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"Size must be exactly 8 bytes");
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/*
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* Initializers for the (shared-memory) rings
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* _(size, n). Note: each msg has space for a header.
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*/
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#define foreach_vl_aring_size \
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_(64+sizeof(ring_alloc_t), 1024) \
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_(256+sizeof(ring_alloc_t), 128) \
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_(1024+sizeof(ring_alloc_t), 64)
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#define foreach_clnt_aring_size \
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_(1024+sizeof(ring_alloc_t), 1024) \
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_(2048+sizeof(ring_alloc_t), 128) \
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_(4096+sizeof(ring_alloc_t), 8)
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typedef struct vl_shmem_hdr_
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{
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int version;
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/* getpid () for the VLIB client process */
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volatile int vl_pid;
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/* Client sends VLIB msgs here. */
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svm_queue_t *vl_input_queue;
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/* Vector of rings; one for each size. */
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/* VLIB allocates buffers to send msgs to clients here. */
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ring_alloc_t *vl_rings;
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/* Clients allocate buffer to send msgs to VLIB here. */
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ring_alloc_t *client_rings;
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/* Number of detected application restarts */
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u32 application_restarts;
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/* Number of messages reclaimed during application restart */
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u32 restart_reclaims;
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/* Number of garbage-collected messages */
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u32 garbage_collects;
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/* Socket file index used to bootstrap shmem region */
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u32 clib_file_index;
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} vl_shmem_hdr_t;
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#define VL_SHM_VERSION 2
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#define VL_API_EPOCH_MASK 0xFF
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#define VL_API_EPOCH_SHIFT 8
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void *vl_msg_api_alloc (int nbytes);
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void *vl_msg_api_alloc_zero (int nbytes);
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void *vl_msg_api_alloc_or_null (int nbytes);
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void *vl_msg_api_alloc_as_if_client (int nbytes);
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void *vl_msg_api_alloc_zero_as_if_client (int nbytes);
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void *vl_msg_api_alloc_as_if_client_or_null (int nbytes);
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void *vl_mem_api_alloc_as_if_client_w_reg (vl_api_registration_t * reg,
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int nbytes);
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void vl_msg_api_free (void *a);
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void vl_msg_api_free_w_region (svm_region_t * vlib_rp, void *a);
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int vl_map_shmem (const char *region_name, int is_vlib);
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void vl_unmap_shmem (void);
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void vl_unmap_shmem_client (void);
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void vl_register_mapped_shmem_region (svm_region_t * rp);
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void vl_msg_api_send_shmem (svm_queue_t * q, u8 * elem);
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int vl_mem_api_can_send (svm_queue_t * q);
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void vl_set_memory_region_name (const char *name);
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void vl_set_memory_root_path (const char *root_path);
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void vl_set_memory_uid (int uid);
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void vl_set_memory_gid (int gid);
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void vl_set_global_memory_baseva (u64 baseva);
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void vl_set_global_memory_size (u64 size);
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void vl_set_api_memory_size (u64 size);
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void vl_set_global_pvt_heap_size (u64 size);
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void vl_set_api_pvt_heap_size (u64 size);
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void vl_init_shmem (svm_region_t * vlib_rp, vl_api_shm_elem_config_t * config,
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int is_vlib, int is_private_region);
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#endif /* SRC_VLIBMEMORY_MEMORY_SHARED_H_ */
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/*
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* fd.io coding-style-patch-verification: ON
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*
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* Local Variables:
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* eval: (c-set-style "gnu")
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* End:
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*/
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