forked from xuos/xiuos
65 lines
2.2 KiB
C
65 lines
2.2 KiB
C
/*
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* Copyright (c) 2020 AIIT XUOS Lab
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* XiUOS is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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* http://license.coscl.org.cn/MulanPSL2
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PSL v2 for more details.
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*/
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#include "config/config.h"
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#ifndef __AMP_MSG_H__
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#define __AMP_MSG_H__
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enum MsgDealState /* 消息是否被处理 */
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{
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MSG_DEAL_STATE_NO = 0, /* 未被处理 */
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MSG_DEAL_STATE_YES = 1 /* 已被处理 */
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};
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enum MsgServiceResult /* 消息是否被正确处理 */
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{
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MSG_SERVICE_RET_NONE = 0, /* 消息还未被处理 */
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MSG_SERVICE_RET_SUCCESS = 1, /* 服务正确响应 */
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MSG_SERVICE_RET_FAIL = 2, /* 服务未曾正确服务，或参数错误等 */
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MSG_SERVICE_RET_NOT_EXITS = 3 /* 请求的服务不存在 */
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};
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struct Msg
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{
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/* 消息标记：用于标记消息状态信息，共 16 位可使用位域进行扩展 */
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struct MsgFlag
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{
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uint16_t deal_state : 1; /* 消息是否被处理 */
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uint16_t service_result : 2; /* 消息对应的服务是否被正确服务 */
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} flag;
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uint16_t service_id; /* 请求的服务端服务ID */
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#if PROTOCOL_CHOICE == PROTOCOL_AMP /* AMP协议 */
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uint32_t offset; /* 共享内存起始偏移量 */
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uint32_t length; /* 共享内存长度 */
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#endif /* PROTOCOL_CHOICE == PROTOCOL_AMP */
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#if PROTOCOL_CHOICE == PROTOCOL_PRIVATE /* 私有协议 */
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uint32_t data_size; /* 本条消息携带的数据量 */
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uint8_t data[MSG_PAYLOAD_SIZE]; /* 数据本身：配置消息大小时最好四字节对齐 */
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#endif /* PROTOCOL_CHOICE == PROTOCOL_PRIVATE */
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}__attribute__((aligned(MEMORY_ALIGN_SIZE)));
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/* 消息支持的操作 */
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struct MsgOps
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{
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/* 将消息中的相关信息清除，重置 */
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void (*msg_reset)(struct Msg *msg);
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/* 查看消息是否已经被处理了 */
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int32_t (*msg_is_dealt)(struct Msg *msg);
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};
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extern struct MsgOps msg_ops;
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#endif /* __AMP_COM_MSG_H__ */ |