First commit XiUOS

kernel/include/xs_msg.h

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+/*
+ * Copyright (c) 2020 AIIT XUOS Lab
+ * XiUOS is licensed under Mulan PSL v2.
+ * You can use this software according to the terms and conditions of the Mulan PSL v2.
+ * You may obtain a copy of Mulan PSL v2 at:
+ *        http://license.coscl.org.cn/MulanPSL2
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PSL v2 for more details.
+ */
+
+/**
+* @file:    xs_msg.h
+* @brief:   function declaration and structure defintion of message queue
+* @version: 1.0
+* @author:  AIIT XUOS Lab
+* @date:    2020/3/2
+*
+*/
+
+#ifndef XS_MSG_H
+#define XS_MSG_H
+
+#include <xsconfig.h>
+#include <xs_kdbg.h>
+#include <xs_base.h>
+#include <xs_klist.h>
+
+#ifdef KERNEL_MESSAGEQUEUE
+
+struct MsgQueue
+{
+    struct IdNode        id;
+    void                 *msg_buf;
+	uint16               index;
+    uint16               num_msgs;
+    uint16               each_len;
+    uint16               max_msgs;
+
+    DoubleLinklistType   send_pend_list;
+    DoubleLinklistType   recv_pend_list;
+	DoubleLinklistType   link;
+    struct MsgQueueDone  *Done;
+};
+typedef struct MsgQueue  *MsgQueueType;
+
+struct MsgQueueDone
+{
+   x_err_t (*init)(struct MsgQueue *mq, x_size_t msg_size, x_size_t max_msgs );
+   x_err_t (*urgensend)(struct MsgQueue *mq, const void *buffer, x_size_t size);
+   x_err_t (*send)(struct MsgQueue *mq, const void *buffer, x_size_t size,int32  timeout);
+   x_err_t (*recv)(struct MsgQueue *mq, void *buffer, x_size_t  size, int32 timeout);
+   x_err_t (*reinit)(struct MsgQueue *mq);
+   x_err_t (*Delete)(struct MsgQueue *mq);
+};
+
+int32   KCreateMsgQueue( x_size_t msg_size, x_size_t max_msgs );
+x_err_t KMsgQueueSendwait(int32  id, const void *buffer, x_size_t  size, int32 timeout);
+x_err_t KMsgQueueUrgentSend(int32 id, const void *buffer, x_size_t size);
+x_err_t KMsgQueueSend(int32 id, const void *buffer, x_size_t size);
+x_err_t KMsgQueueRecv(int32 id, void *buffer, x_size_t size, int32 timeout);
+x_err_t KMsgQueueReinit(int32 id);
+x_err_t KDeleteMsgQueue(int32 id);
+#endif
+
+#endif