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/*
*------------------------------------------------------------------
* svmdb.h - shared VM database
*
* Copyright (c) 2009 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 __included_svmdb_h__
#define __included_svmdb_h__
#include "svm.h"
typedef enum
{
SVMDB_ACTION_ILLEGAL = 0,
SVMDB_ACTION_GET, /* not clear why anyone would care */
SVMDB_ACTION_SET,
SVMDB_ACTION_UNSET,
} svmdb_action_t;
typedef struct
{
int pid;
int signum;
u32 action:4;
u32 opaque:28;
} svmdb_notify_t;
typedef struct
{
u8 *value;
svmdb_notify_t *notifications;
u32 elsize;
} svmdb_value_t;
typedef enum
{
SVMDB_NAMESPACE_STRING = 0,
SVMDB_NAMESPACE_VEC,
SVMDB_N_NAMESPACES,
} svmdb_namespace_t;
typedef struct
{
uword version;
/* pool of values */
svmdb_value_t *values;
uword *namespaces[SVMDB_N_NAMESPACES];
} svmdb_shm_hdr_t;
#define SVMDB_SHM_VERSION 2
typedef struct
{
int flags;
int pid;
svm_region_t *db_rp;
svmdb_shm_hdr_t *shm;
} svmdb_client_t;
typedef struct
{
int add_del;
svmdb_namespace_t nspace;
char *var;
u32 elsize;
int signum;
u32 action:4;
u32 opaque:28;
} svmdb_notification_args_t;
typedef struct
{
const char *root_path;
uword size;
u32 uid;
u32 gid;
} svmdb_map_args_t;
/*
* Must be a reasonable number,
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