diff chipsetsw/services/atp/atp_port.c @ 0:509db1a7b7b8

initial import: leo2moko-r1
author Space Falcon <falcon@ivan.Harhan.ORG>
date Mon, 01 Jun 2015 03:24:05 +0000
parents
children
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/chipsetsw/services/atp/atp_port.c	Mon Jun 01 03:24:05 2015 +0000
@@ -0,0 +1,367 @@
+/*******************************************************************************
+*
+* File Name : atp_port.c
+*
+* Functions used by atp_services.c file to handle port structure
+*
+* (C) Texas Instruments, all rights reserved
+*
+* Version number	: 0.1      Date : 10-May-2000 from atp_port.c
+*
+* History			: 0.1  - Created by E. Baissus . Gathers functions used only
+*								as internal services
+*
+* Author			: Eric Baissus : e-baissus@ti.com
+*
+*   (C) Copyright 2000 by Texas Instruments Incorporated, All Rights Reserved		
+******************************************************************************/
+#include "rv/rv_general.h"
+#include "rvf/rvf_api.h"
+#include "atp/atp_api.h"
+#include "atp/atp_i.h"
+#include "atp/atp_messages.h"
+#include "rvm/rvm_use_id_list.h"
+
+
+
+T_ATP_PORT_STRUCT * atp_first_port_p; /* Pointer on the first port structure */
+
+T_ATP_RET atp_init_port(T_ATP_PORT_STRUCT *new_port_p);
+
+
+
+
+
+
+
+
+
+/******************************************************************************
+* Function name: atp_init_port
+*
+* Description : Initialise a new port
+*
+* Parameters :  pointer on the new port
+*
+* Return     :   Always return RV_OK
+*
+* History			: 0.1 (1-Marsh-2000) - Created
+*					  0.9:(22-May-2000) - Added redirection
+*
+******************************************************************************/
+
+T_ATP_RET atp_init_port(T_ATP_PORT_STRUCT *new_port_p)
+{
+	new_port_p->next_p                                      = NULL;
+	new_port_p->port_state                                  = ATP_OPEN_PENDING;
+
+	(new_port_p->port_info[0]).port_nb                      = INVALID_PORT_NB;
+	(new_port_p->port_info[0]).sw_id                        = ATP_INVALID_SWE_ID;
+	(new_port_p->port_info[0]).tx_mb                        = RVF_INVALID_MB_ID;
+	(new_port_p->port_info[0]).rx_mb                        = RVF_INVALID_MB_ID;
+	(new_port_p->port_info[0]).rx_data_left                 = 0;
+	((new_port_p->port_info[0]).no_copy_info).packet_mode   = NORMAL_PACKET;
+	((new_port_p->port_info[0]).no_copy_info).rx_head_size  = 0;
+	((new_port_p->port_info[0]).no_copy_info).rx_trail_size = 0;
+	((new_port_p->port_info[0]).no_copy_info).tx_head_size  = 0;
+	((new_port_p->port_info[0]).no_copy_info).tx_trail_size = 0;
+	(new_port_p->port_info[0]).signal                       = (ATP_RX_FLOW_ON | ATP_TX_FLOW_ON);
+	
+	(new_port_p->port_info[1]).port_nb                      = INVALID_PORT_NB;
+	(new_port_p->port_info[1]).sw_id                        = ATP_INVALID_SWE_ID;
+	(new_port_p->port_info[1]).tx_mb                        = RVF_INVALID_MB_ID;
+	(new_port_p->port_info[1]).rx_mb                        = RVF_INVALID_MB_ID;
+	(new_port_p->port_info[1]).rx_data_left                 = 0;
+	((new_port_p->port_info[1]).no_copy_info).packet_mode   = NORMAL_PACKET;
+	((new_port_p->port_info[1]).no_copy_info).rx_head_size  = 0;
+	((new_port_p->port_info[1]).no_copy_info).rx_trail_size = 0;
+	((new_port_p->port_info[1]).no_copy_info).tx_head_size  = 0;
+	((new_port_p->port_info[1]).no_copy_info).tx_trail_size = 0;
+	(new_port_p->port_info[1]).signal                       = (ATP_RX_FLOW_ON | ATP_TX_FLOW_ON);
+	
+	/* Redirection information */
+	new_port_p->redirect_mode        = ATP_REDIRECT_OFF;
+	new_port_p->redirect_port_end_nb = 0;
+	new_port_p->redirect_port_p      = NULL;
+
+	/* Data queue information */
+	(new_port_p->port_info[0]).rx_queue.p_first = NULL;
+	(new_port_p->port_info[0]).rx_queue.p_last  = NULL;
+	(new_port_p->port_info[0]).rx_queue.count   = 0;
+
+	(new_port_p->port_info[1]).rx_queue.p_first = NULL;
+	(new_port_p->port_info[1]).rx_queue.p_last  = NULL;
+	(new_port_p->port_info[1]).rx_queue.count   = 0;
+
+	/* Pointer on DCE information */
+	new_port_p->dce_info_p  = NULL;
+
+	new_port_p->port_config = NOT_DEFINED_CONFIG;
+
+	/* Flow control */
+	new_port_p->port_waiting_for_mb_callback = ATP_MAX_SW_NB;
+
+	/* Command info */
+	new_port_p->cmd_info.cmd_txt_p = NULL;
+
+	return	(atp_init_cmd_info_struct (new_port_p));
+}
+
+
+
+
+
+
+
+/******************************************************************************
+* Function name: atp_create_port
+*
+* Description : Create a new port instance in the port chained list
+*
+* Parameters :  Output = pointeur on the new port structure
+*
+* Return     :   Error flag :
+*                Possible values are RV_OK or RV_MEMORY_ERR
+*
+* History			: 0.1 (1-Marsh-2000) - Created / E.Baissus
+*
+******************************************************************************/
+
+T_ATP_RET atp_create_port(T_ATP_PORT_STRUCT **port_pp)
+{
+
+	T_ATP_PORT_STRUCT *new_port_p,*p;
+	
+	/* get new buffer */
+	switch(rvf_get_buf(atp_mb_prim,sizeof(T_ATP_PORT_STRUCT),(void **) &new_port_p))
+	{
+		case RVF_GREEN:
+			{
+				break;
+			}
+		case RVF_YELLOW:
+			{
+				rvf_free_buf ((T_RVF_BUFFER *) new_port_p);
+			}
+		default:
+			{
+				return RV_MEMORY_ERR;
+			}
+	}
+		
+	/* initialisation of the new instance */
+	atp_init_port(new_port_p);
+	
+	
+	// START : THIS SECTION MUST BE PROTECTED BY  A SEMAPHORE !!!!!!
+	
+	/* get latest port instance */
+	if (atp_first_port_p==NULL)
+	{ /* this new instance is the first one */
+		atp_first_port_p=new_port_p;
+	}
+	else
+	{
+		p=atp_first_port_p;
+		while(p->next_p!=NULL)
+		{
+			p=p->next_p;
+		}
+		/* p points on the last port instance */
+		p->next_p=new_port_p;
+	}
+	// END : THIS SECTION MUST BE PROTECTTED BY  A SEMAPHORE !!!!!!
+	
+	*port_pp=new_port_p;
+	
+	return RV_OK;
+}
+
+
+
+
+
+
+
+/******************************************************************************
+* Function name: atp_delete_port
+*
+* Description : delete port instance
+*
+* Parameters :  - port_p points on the port structure to remove
+*
+* Return     :   Standard error flag 
+*                If OK, returns RV_OK
+*
+* History			: 0.1 (1-Marsh-2000) - Created / E.Baissus
+*
+******************************************************************************/
+
+T_ATP_RET atp_delete_port(T_ATP_PORT_STRUCT *port_p)
+{
+	T_ATP_PORT_STRUCT *p;
+	
+	p=atp_first_port_p;
+	
+
+	// START : THIS SECTION MUST BE PROTECTED BY  A SEMAPHORE !!!!!!
+	/* Delete buffer pointer by the port structure */
+	if  (port_p->dce_info_p != NULL)
+	{
+		// Reset fields used by the escape sequence algorithm 
+		atp_reset_escape_sequence(port_p);		
+		rvf_free_buf(port_p->dce_info_p);
+	}
+	if (port_p->cmd_info.cmd_txt_p != NULL)
+	{
+		rvf_free_buf(port_p->cmd_info.cmd_txt_p);
+	}
+	if (p==port_p)
+	{
+		/* The instance to delete is the first one */
+		atp_first_port_p=port_p->next_p;
+		rvf_free_buf(port_p);
+		return RV_OK;
+	}
+	else
+	{
+		
+		while(p!=NULL)
+		{
+			if (p->next_p==port_p)
+			{
+				/* The instance to deleted has been found */
+				if (port_p->next_p==NULL)
+				{
+					/* The instance to delete is the last instance of the chain */
+					p->next_p=NULL;
+				}
+				else
+				{
+					p->next_p=port_p->next_p;
+				}
+				
+				rvf_free_buf(port_p);
+				return RV_OK;
+				
+			}			
+			p=p->next_p;	
+			
+		} /* end of the while loop */
+		// END : THIS SECTION MUST BE PROTECTTED BY  A SEMAPHORE !!!!!!
+		
+		/* The device has not been found */
+		return RV_INTERNAL_ERR;
+		
+	}/* end of the if/else */
+}
+
+
+
+
+
+/******************************************************************************
+* Function name: atp_get_port
+*
+* Description : provides the pointer pointing on the proper port structure
+* value
+*
+* Parameters :  - sw_id : SW entity ID related to the port
+*				 - port_nb : associated port number
+*				 - &port_p : output :  pointer on the found port structure
+*				 - &sw_nd : output : indicate which of the 2 sw entity of the port has been found
+*
+* Return     :   Standard error flag from BT
+*                If OK, returns RV_OK. If port not found, return RV_INTERNAL_ERR.
+*
+* History			: 0.1 (1-Marsh-2000) - Created / E.Baissus
+*
+******************************************************************************/
+
+T_ATP_RET atp_get_port(T_ATP_SW_ENTITY_ID sw_id, T_ATP_PORT_NB port_nb, T_ATP_PORT_STRUCT **port_found_pp, T_ATP_SW_NB *sw_nb_p)
+{
+	for (*port_found_pp = atp_first_port_p;
+		 *port_found_pp != NULL;
+		 *port_found_pp = (*port_found_pp)->next_p)
+	{
+		if ((((*port_found_pp)->port_info[0]).sw_id == sw_id) && \
+			(((*port_found_pp)->port_info[0]).port_nb == port_nb))
+		{
+			/* The port instance has been found : sw_nb = 0 (initiator) */
+			*sw_nb_p = 0;
+			return (RV_OK);
+		}
+		if ((((*port_found_pp)->port_info[1]).sw_id == sw_id) && \
+			(((*port_found_pp)->port_info[1]).port_nb == port_nb))
+		{
+			/* The port instance has been found : sw_nb = 1 (target) */
+			*sw_nb_p = 1;
+			return (RV_OK);
+		}
+	}
+	return (RV_INVALID_PARAMETER);
+}
+
+
+/******************************************************************************
+* Function name: atp_delete_all_port
+*
+* Description : delete all the ports
+*
+* Parameters :  
+*
+* Return     :   Standard error flag 
+*                If OK, returns RV_OK
+*
+* History			: 0.1 (1-Marsh-2000) - Created / E.Baissus
+*
+******************************************************************************/
+T_ATP_RET atp_delete_all_port(void)
+{
+	T_ATP_PORT_STRUCT *p,*next_p;
+	T_ATP_RET return_status = RV_OK;
+
+	p=atp_first_port_p;
+	while((p != NULL) && (return_status == RV_OK))
+	{
+		next_p = p->next_p;
+		return_status = atp_delete_port(p);
+		p=next_p;
+	}
+	return return_status;
+}
+
+
+
+
+/******************************************************************************
+* Function name: atp_send_message
+*
+* Description : Generic function to send message
+*
+* Parameters :  
+*
+* Return     :   RV_OK
+*
+* History			: 0.1 (1-Marsh-2000) - Created
+*                     0.15 (15-Marsh-2000) - Added possibility to send to a mail box
+*					  
+******************************************************************************/
+T_ATP_RET atp_send_message(T_ATP_CALLBACK path,T_ATP_MESSAGE * message_p)
+{
+	
+	if (path.callback_func!= NULL)
+	{
+		path.callback_func((void *) message_p);
+		/* It is up to the target id to free the message buffer later on !!!!*/
+		return RV_OK;
+	}
+	else
+	{
+		return rvf_send_msg(path.addr_id,(void *) message_p);
+	}
+	
+}
+
+
+