Exemplo n.º 1
0
static KAL_INT32 eemcs_cdev_rx_callback(struct sk_buff *skb, KAL_UINT32 private_data)
{
    CCCI_BUFF_T *p_cccih = NULL;
    KAL_UINT32  port_id;

	DEBUG_LOG_FUNCTION_ENTRY;

	if (skb){
            p_cccih = (CCCI_BUFF_T *)skb->data;
            DBGLOG(CHAR, DBG, "cdev_rx_callback: CCCI_H(0x%x)(0x%x)(0x%x)(0x%x)",\
            p_cccih->data[0],p_cccih->data[1],p_cccih->channel, p_cccih->reserved );
	}
    port_id = ccci_ch_to_port(p_cccih->channel);
    
    if(CDEV_OPEN == atomic_read(&eemcs_cdev_inst.cdev_node[PORT2IDX(port_id)].cdev_state)){
        skb_queue_tail(&eemcs_cdev_inst.cdev_node[PORT2IDX(port_id)].rx_skb_list, skb); /* spin_lock_ireqsave inside, refering skbuff.c */
        atomic_inc(&eemcs_cdev_inst.cdev_node[PORT2IDX(port_id)].rx_pkt_cnt);     /* increase rx_pkt_cnt */
        eemcs_update_statistics_number(0, port_id, RX, QUEUE, \
			atomic_read(&eemcs_cdev_inst.cdev_node[PORT2IDX(port_id)].rx_pkt_cnt));
        wake_up(&eemcs_cdev_inst.cdev_node[PORT2IDX(port_id)].rx_waitq);          /* wake up rx_waitq */
    }else{
        if(port_id != CCCI_PORT_MD_LOG) /* If port_id == CCCI_PORT_MD_LOG, skip drop info (request by ST team)*/
        {
            DBGLOG(CHAR, ERR, "!!! PKT DROP when cdev(%d) close", port_id);
        }
        dev_kfree_skb(skb);	
        eemcs_ccci_release_rx_skb(port_id, 1, skb);
        eemcs_update_statistics(0, port_id, RX, DROP);
    }
    
    DEBUG_LOG_FUNCTION_LEAVE;
	return KAL_SUCCESS ;
}
Exemplo n.º 2
0
static int eemcs_cdev_release(struct inode *inode, struct file *file)
{    
	int id = iminor(inode);
	struct sk_buff *rx_skb;
	
    DEBUG_LOG_FUNCTION_ENTRY;    	
    DBGLOG(CHAR,INF,"cdev_release: close dev(%s, %d)",\
        eemcs_cdev_inst.cdev_node[PORT2IDX(id)].cdev_name, id);

    atomic_set(&eemcs_cdev_inst.cdev_node[PORT2IDX(id)].cdev_state, CDEV_CLOSE);
    while ((rx_skb = skb_dequeue(&eemcs_cdev_inst.cdev_node[PORT2IDX(id)].rx_skb_list)) != NULL) {
        dev_kfree_skb(rx_skb);	
        eemcs_ccci_release_rx_skb(id, 1, rx_skb);
    }
    atomic_set(&eemcs_cdev_inst.cdev_node[PORT2IDX(id)].rx_pkt_cnt, 0);
    /* unregister ccci channel */ // Might casue raise condition while user close cdev
    //ccci_cdev_unregister(eemcs_cdev_inst.cdev_node[PORT2IDX(id)].ccci_ch.rx);

    if(true == eemcs_on_reset())
    {
        if(true == eemcs_cdev_rst_port_closed()){
            eemcs_boot_user_exit_notify();
        }
    }

    DEBUG_LOG_FUNCTION_LEAVE;
    return 0;
}
Exemplo n.º 3
0
static int eemcs_cdev_open(struct inode *inode,  struct file *file)
{
	int id = iminor(inode);
    int ret = 0;
	struct sk_buff *rx_skb;
	
    DEBUG_LOG_FUNCTION_ENTRY;
    DBGLOG(CHAR,INF,"cdev_open: open dev(%s, %d)",\
        eemcs_cdev_inst.cdev_node[PORT2IDX(id)].cdev_name, id);

    //4 <1> check multiple open
    if(CDEV_OPEN == atomic_read(&eemcs_cdev_inst.cdev_node[PORT2IDX(id)].cdev_state)){
        DBGLOG(CHAR,ERR,"cdev_open: %s(%d) multi-open fail!", \
			eemcs_cdev_inst.cdev_node[PORT2IDX(id)].cdev_name, id);
        return -EIO;
    }

	if(eemcs_cdev_inst.cdev_node[PORT2IDX(id)].ccci_ch.rx != CH_DUMMY){ /* CH_DUMMY should not have Rx Data */
	    //4 <2>  clear the rx_skb_list
		skb_queue_purge(&eemcs_cdev_inst.cdev_node[PORT2IDX(id)].rx_skb_list);
		while ((rx_skb = skb_dequeue(&eemcs_cdev_inst.cdev_node[PORT2IDX(id)].rx_skb_list)) != NULL) {
			dev_kfree_skb(rx_skb);	
        	eemcs_ccci_release_rx_skb(id, 1, rx_skb);
		}
		atomic_set(&eemcs_cdev_inst.cdev_node[PORT2IDX(id)].rx_pkt_cnt, 0);
		//4 <3>  register ccci channel 
		ret = ccci_cdev_register(eemcs_cdev_inst.cdev_node[PORT2IDX(id)].ccci_ch.rx, eemcs_cdev_rx_callback, 0);
		if(ret != KAL_SUCCESS){
			DBGLOG(CHAR,ERR,"PORT%d register cdev fail!!", id);
			return -EIO;
		}
    }

    file->private_data = &eemcs_cdev_inst.cdev_node[PORT2IDX(id)];
    nonseekable_open(inode, file);
    atomic_set(&eemcs_cdev_inst.cdev_node[PORT2IDX(id)].cdev_state, CDEV_OPEN);
    DEBUG_LOG_FUNCTION_LEAVE;
	return ret;
}
Exemplo n.º 4
0
int ccci_df_to_ccci_callback(unsigned int rxq_no)
{
    int ret, hc_ret;
    bool is_xcmd = false;
    struct sk_buff * skb = NULL;
    CCCI_BUFF_T *ccci_h  = NULL;
    XBOOT_CMD *p_xcmd = NULL;
    KAL_UINT32   port_id = CCCI_PORT_CTRL;
    static KAL_UINT32 rx_err_cnt[CCCI_PORT_NUM_MAX] = {0};
#ifdef __EEMCS_EXPT_SUPPORT__
    EEMCS_EXCEPTION_STATE mode = EEMCS_EX_INVALID;
#endif
#if defined (DBG_FEATURE_ADD_CCCI_SEQNO)
    KAL_INT16 channel, seq_num, assert_bit;
#endif

    DEBUG_LOG_FUNCTION_ENTRY;
    /* Step 1. read skb from swq */
    skb = hif_dl_read_swq(rxq_no);
    if(skb == NULL) {
    	DBGLOG(CCCI, DBG, "ccci_df_to_ccci_callback read NULL skb on %d", rxq_no);
    	if(is_exception_mode(&mode))
    		return KAL_FAIL;
    	else
    		KAL_ASSERT(NULL != skb);
    }

    /* Step 2. call handle complete */
    hc_ret = hif_dl_pkt_handle_complete(rxq_no);
    KAL_ASSERT(0 == hc_ret);

    wake_lock_timeout(&eemcs_wake_lock, HZ/2); // Using 0.5s wake lock

	/* Step 3. buffer type */
    if (rxq_no == RXQ_Q0) {
        //is_xcmd = is_xboot_command(skb);
        p_xcmd = (XBOOT_CMD *)skb->data;
	    if (p_xcmd->magic == (KAL_UINT32)MAGIC_MD_CMD) {
			if (check_device_state() >= EEMCS_MOLY_HS_P1) {
        		DBGLOG(CCCI, ERR, "can't recv xBoot cmd when EEMCS state=%d", check_device_state());
    		} else {
    			is_xcmd = true;
	    	}
	    }
    }

    if (is_xcmd) {
        /* Step 4. callback to xBoot */
    	CDEV_LOG(port_id, CCCI, INF, "XBOOT_CMD: 0x%08X, 0x%08X, 0x%08X, 0x%08X",\
        	p_xcmd->magic, p_xcmd->msg_id, p_xcmd->status, p_xcmd->reserved[0]);
    	ret = ccci_port_info[port_id].ch.rx_cb(skb, 0);
    } else {
    	ccci_h = (CCCI_BUFF_T *)skb->data;
    	port_id = ccci_ch_to_port(ccci_h->channel);		
    	CDEV_LOG(port_id, CCCI, INF, "CCCI_H: 0x%08X, 0x%08X, 0x%08X, 0x%08X",\
        	ccci_h->data[0],ccci_h->data[1],ccci_h->channel, ccci_h->reserved);

    	/*check rx sequence number for expect*/
    	#if defined (DBG_FEATURE_ADD_CCCI_SEQNO)
    	channel = ccci_h->channel;
    	seq_num = ccci_h->seq_num;
    	assert_bit = ccci_h->assert_bit;	
    	DBGLOG(CCCI, DBG, "Port%d CCCI_H: data[0]=0x%08X, data[1]=0x%08X, ch=0x%02X, seqno=0x%02X, assert=%d, resv=0x%08X(0x%08X, 0x%08X, 0x%08X)",\
        	port_id, ccci_h->data[0],ccci_h->data[1],ccci_h->channel, ccci_h->seq_num, \
        	ccci_h->assert_bit, ccci_h->reserved, channel, seq_num, assert_bit);
		
    	if(((seq_num - ccci_seqno_tbl[channel].seqno[RX]) & 0x7FFF) != 1 && assert_bit) {
            DBGLOG(CCCI, ERR, "Port%d seqno out-of-order(0x%02X->0x%02X): data[0]=0x%08X, data[1]=0x%08X, ch=0x%02X, seqno=0x%02X, assert=%d, resv=0x%08X", \							
				port_id, seq_num, ccci_seqno_tbl[channel].seqno[RX], ccci_h->data[0], ccci_h->data[1], \
				ccci_h->channel, ccci_h->seq_num, ccci_h->assert_bit, ccci_h->reserved);						
            hif_force_md_assert_swint();
    	}					
    	ccci_seqno_tbl[channel].seqno[RX] = seq_num;
    	#endif
		
        /* Step 4. callback to CCCI device */       
        if(NULL != ccci_port_info[port_id].ch.rx_cb){
            #ifdef __EEMCS_EXPT_SUPPORT__
            if(is_exception_mode(&mode))
            {
                if(!is_valid_exception_port(port_id, true))
                {
                    ret = KAL_FAIL;
                    dev_kfree_skb(skb);
                    eemcs_ccci_release_rx_skb(port_id, 1, skb);
                    eemcs_expt_ccci_rx_drop(port_id);
                    DBGLOG(CCCI, ERR, "PKT DROP when PORT%d(rxq=%d) at md exception", \
						port_id, rxq_no);
                    goto _end;
                } else {
                    ret = ccci_port_info[port_id].ch.rx_cb(skb, 0);
                }
            }
            else
            #endif      
            {
                ret = ccci_port_info[port_id].ch.rx_cb(skb, 0);
            }
            rx_err_cnt[port_id] = 0;
        } else { 
            ret = KAL_FAIL;
            dev_kfree_skb(skb);
            eemcs_ccci_release_rx_skb(port_id, 1, skb);
            if (rx_err_cnt[port_id]%20 == 0) {
            	DBGLOG(CCCI, ERR, "PKT DROP when PORT%d rx callback(ch=%d) not registered", \
					port_id, ccci_h->channel);
            }
            rx_err_cnt[port_id]++;
            eemcs_update_statistics(0, port_id, RX, DROP);
			
        }
        eemcs_update_statistics(0, port_id, RX, NORMAL);
    }
    
_end:    
    DEBUG_LOG_FUNCTION_LEAVE;
    return ret;
}
Exemplo n.º 5
0
static ssize_t eemcs_cdev_read(struct file *fp, char *buf, size_t count, loff_t *ppos)
{
    unsigned int flag;
    eemcs_cdev_node_t *curr_node = (eemcs_cdev_node_t *)fp->private_data;
    KAL_UINT8 port_id = curr_node->eemcs_port_id; /* port_id */
    KAL_UINT32 p_type, rx_pkt_cnt, read_len, rx_pkt_cnt_int;
    struct sk_buff *rx_skb;
    unsigned char *payload=NULL;
    CCCI_BUFF_T *ccci_header;
    int ret = 0;

    DEBUG_LOG_FUNCTION_ENTRY;
    
    flag=fp->f_flags;
    //verbose DBGLOG(CHAR,DBG,"read deivce iminor (0x%x),length(0x%x)",port_id,count);

    p_type = ccci_get_port_type(port_id);
    if(p_type != EX_T_USER) 
    {
        DBGLOG(CHAR, ERR, "PORT%d refuse port(%d) access user port", port_id, p_type);
        goto _exit;                    
    }

    rx_pkt_cnt_int = atomic_read(&curr_node->buff.remaining_rx_cnt);
    KAL_ASSERT(rx_pkt_cnt_int >= 0);
    if(rx_pkt_cnt_int == 1)
    {
        DBGLOG(CHAR, DBG, "Streaming reading!! PORT%d len=%d\n",port_id,count);
        rx_skb = curr_node->buff.remaining_rx_skb;
        /* rx_skb shall not be null */
        KAL_ASSERT(NULL != rx_skb);
        read_len = curr_node->buff.remaining_len;
        KAL_ASSERT(read_len >= 0);
    }
    else    
    {
        rx_pkt_cnt = atomic_read(&curr_node->rx_pkt_cnt);
        KAL_ASSERT(rx_pkt_cnt >= 0);
        
        if(rx_pkt_cnt == 0) {
            if (flag&O_NONBLOCK)
            {	
                ret=-EAGAIN;
                //verbose DBGLOG(CHAR,DBG,"[CHAR] PORT(%d) eemcs_cdev_read return O_NONBLOCK for NON-BLOCKING",port_id);
                goto _exit;
            }
            ret = wait_event_interruptible(curr_node->rx_waitq, atomic_read(&curr_node->rx_pkt_cnt) > 0);
            if(ret)
            {
                ret = -EINTR;
                DBGLOG(CHAR, ERR, "PORT%d interruptted while waiting data.", port_id);			
                goto _exit;
            }
        }
       
        /*
         * Cached memory from last read fail
         */
        DBGLOG(CHAR, TRA, "eemcs_cdev_read dequeue from rx_skb_list, rx_pkt_cnt(%d)",rx_pkt_cnt); 
        rx_skb = skb_dequeue(&curr_node->rx_skb_list);
        
        /* There should be rx_skb in the list */
        KAL_ASSERT(NULL != rx_skb);
        atomic_dec(&curr_node->rx_pkt_cnt);
        rx_pkt_cnt = atomic_read(&curr_node->rx_pkt_cnt);
        KAL_ASSERT(rx_pkt_cnt >= 0);

        ccci_header = (CCCI_BUFF_T *)rx_skb->data;

        DBGLOG(CHAR, TRA, "eemcs_cdev_read: PORT%d CCCI_H(0x%x)(0x%x)(0x%x)(0x%x)",\
                port_id, ccci_header->data[0],ccci_header->data[1],
                ccci_header->channel, ccci_header->reserved);
        
        /*If not match please debug EEMCS CCCI demux skb part*/
	if(ccci_header->channel != curr_node->ccci_ch.rx) {
		DBGLOG(CHAR,ERR,"Assert(ccci_header->channel == curr_node->ccci_ch.rx)");
		DBGLOG(CHAR,ERR,"ccci_header->channel:%d, curr_node->ccci_ch.rx:%d, curr_node->eemcs_port_id:%d", 
				ccci_header->channel, curr_node->ccci_ch.rx, curr_node->eemcs_port_id);
		KAL_ASSERT(ccci_header->channel == curr_node->ccci_ch.rx);
	}
        //KAL_ASSERT(ccci_header->channel == curr_node->ccci_ch.rx);
        
        if(!(ccci_get_port_cflag(port_id) & EXPORT_CCCI_H))
        {
            read_len = ccci_header->data[1] - sizeof(CCCI_BUFF_T);
            /* remove CCCI_HEADER */
            skb_pull(rx_skb, sizeof(CCCI_BUFF_T));
        }else{
            if(ccci_header->data[0] == CCCI_MAGIC_NUM){
                read_len = sizeof(CCCI_BUFF_T); 
            }else{
                read_len = ccci_header->data[1];
            }
        }
    }
    
    DBGLOG(CHAR, TRA, "eemcs_cdev_read: PORT%d read_len=%d",port_id, read_len);

/* 20130816 ian add aud dump */
    {
	    char *ptr = (char *)rx_skb->data;
	    /* dump 32 byte of the !!!CCCI DATA!!! part */
		CDEV_LOG(port_id, CHAR, ERR,"[DUMP]PORT%d eemcs_cdev_read\n\
		[00..07](0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)\n\
		[08..15](0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)\n\
		[16..23](0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)\n\
		[24..31](0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)",\
		port_id,\
		(int)*(ptr+0),(int)*(ptr+1),(int)*(ptr+2),(int)*(ptr+3),(int)*(ptr+4),(int)*(ptr+5),(int)*(ptr+6),(int)*(ptr+7),\
		(int)*(ptr+8),(int)*(ptr+9),(int)*(ptr+10),(int)*(ptr+11),(int)*(ptr+12),(int)*(ptr+13),(int)*(ptr+14),(int)*(ptr+15),\
		(int)*(ptr+16),(int)*(ptr+17),(int)*(ptr+18),(int)*(ptr+19),(int)*(ptr+20),(int)*(ptr+21),(int)*(ptr+22),(int)*(ptr+23),\
		(int)*(ptr+24),(int)*(ptr+25),(int)*(ptr+26),(int)*(ptr+27),(int)*(ptr+28),(int)*(ptr+29),(int)*(ptr+30),(int)*(ptr+31));

    }

    payload=(unsigned char*)rx_skb->data;
    if(count < read_len)
    {
        /* Means 1st streaming reading*/
        if(rx_pkt_cnt_int == 0)
        {
            atomic_inc(&curr_node->buff.remaining_rx_cnt);
            curr_node->buff.remaining_rx_skb = rx_skb;
        }
        
        DBGLOG(CHAR, DBG, "PORT%d !!! USER BUFF(%d) less than DATA SIZE(%d) !!!", port_id, count, read_len);
        DBGLOG(CHAR, DBG, "copy data from %p to %p length = %d",payload,buf,count);
        ret = copy_to_user(buf, payload, count);
        if(ret == 0)
        {   
            curr_node->buff.remaining_len = read_len - count;
            skb_pull(rx_skb, count);  //move data pointer
            //update actually read length
            read_len = count;
        }
        else
        {
            // If error occurs, discad the skb buffer
            DBGLOG(CHAR, ERR, "PORT%d !!! PKT DROP !!! fail copy_to_user buf(%d, %d)", port_id, count, ret);
            atomic_dec(&curr_node->rx_pkt_drop_cnt);
            eemcs_update_statistics(0, port_id, RX, DROP);
            dev_kfree_skb(rx_skb);
            eemcs_ccci_release_rx_skb(port_id, 1, rx_skb);
            if(rx_pkt_cnt_int == 1)
            {
                curr_node->buff.remaining_len = 0;
                curr_node->buff.remaining_rx_skb = NULL;
                atomic_dec(&curr_node->buff.remaining_rx_cnt);
            } 
        }
    }
    else
    {

        DBGLOG(CHAR, DBG, "copy data from %p to %p length = %d", payload, buf, read_len);

        ret = copy_to_user(buf, payload, read_len);
        if(ret!=0)
        {
            DBGLOG(CHAR, ERR, "copy_to_user len=%d fail: %d)", read_len, ret);
        }       

        dev_kfree_skb(rx_skb);
        eemcs_ccci_release_rx_skb(port_id, 1, rx_skb);

        if(rx_pkt_cnt_int == 1)
        {
            curr_node->buff.remaining_len = 0;
            curr_node->buff.remaining_rx_skb = NULL;
            atomic_dec(&curr_node->buff.remaining_rx_cnt);
        }
    }
    
    if(ret == 0){
        DEBUG_LOG_FUNCTION_LEAVE;
        return read_len;
    }
_exit:    

    DEBUG_LOG_FUNCTION_LEAVE;
	return ret;
}
Exemplo n.º 6
0
static long eemcs_cdev_ioctl(struct file *fp, unsigned int cmd, unsigned long arg)
{
    eemcs_cdev_node_t *curr_node = (eemcs_cdev_node_t *)fp->private_data;
    KAL_UINT8 port_id = curr_node->eemcs_port_id; /* port_id */
    int ret = 0;
    unsigned int sim_type;
    unsigned int enable_sim_type;

    DEBUG_LOG_FUNCTION_ENTRY;
    if(port_id > END_OF_CCCI_CDEV)
    {
        DBGLOG(CHAR, ERR, "ccci ioctl fail: unknown Port id=%d", port_id);
        ret = -ENOTTY;
        goto _exit;                    
    }

    switch(cmd)
    {
        case CCCI_IOC_GET_MD_STATE:
        {
            KAL_UINT32  eemcs_state, md_state;

            eemcs_state = check_device_state();
            if(eemcs_state == EEMCS_BOOTING_DONE ){
				md_state = MD_STATE_READY;
            }else if(eemcs_state == EEMCS_EXCEPTION){
				md_state = MD_STATE_EXPT;
            }else if(eemcs_state <= EEMCS_INIT){
				md_state = MD_STATE_INVALID;
            }else{
				 md_state = MD_STATE_INIT;
            }
            ret = put_user((unsigned int)md_state, (unsigned int __user *)arg);
            DBGLOG(CHAR, DBG, "CCCI_IOC_GET_MD_STATE(md_s=%d, eemcs_s=%d) by %s(%d)", md_state, eemcs_state, \
				ccci_cdev_name[PORT2IDX(port_id)], port_id);
            }
            break;

        case CCCI_IOC_SET_EXCEPTION_DATA:
        {
            DBGLOG(CHAR, ERR, "CCCI_IOC_SET_EXCEPTION_DATA by %s(%d)", ccci_cdev_name[PORT2IDX(port_id)], port_id);
#if 0
            extern EX_LOG_T md_ex_log;
            void __user *argp = (void __user *)arg;
            if(copy_from_user(&md_ex_log,argp,MD_EX_LOG_SIZE))
            {
                 DBGLOG(PORT,ERR,"copy_from_user failed.");
                 return -EFAULT;
            }
            md_exception(&md_ex_log);
#endif		
        }
        break;

        case CCCI_IOC_SET_HEADER:
        {
            KAL_UINT32 ori_port_flag = 0;
            KAL_UINT32 new_port_flag = 0;
            //port->control_flag |=PORT_EXPORT_CCIF_BUFFER;
            ori_port_flag = ccci_get_port_cflag(port_id);
            ccci_set_port_type(port_id, (ori_port_flag|EXPORT_CCCI_H));
            new_port_flag = ccci_get_port_cflag(port_id);
            DBGLOG(CHAR, DBG, "CCCI_IOC_SET_HEADER(%d, %d) by %s(%d)", ori_port_flag, new_port_flag,\
				ccci_cdev_name[PORT2IDX(port_id)], port_id);
        }
        break;

        case CCCI_IOC_CLR_HEADER:
        {
            //port->control_flag &=(~PORT_EXPORT_CCIF_BUFFER);
            KAL_UINT32 ori_port_flag = 0;
            KAL_UINT32 new_port_flag = 0;

            ori_port_flag = ccci_get_port_cflag(port_id);
            ccci_set_port_type(port_id, (ori_port_flag&(~EXPORT_CCCI_H)));
            new_port_flag = ccci_get_port_cflag(port_id);
            DBGLOG(CHAR, DBG, "CCCI_IOC_CLR_HEADER(%d, %d) by %s(%d)", ori_port_flag, new_port_flag, \
				ccci_cdev_name[PORT2IDX(port_id)], port_id);
            
        }
        break;

        /* This ioctl will be issued from RILD */
        case CCCI_IOC_ENTER_DEEP_FLIGHT:
        case CCCI_IOC_SEND_STOP_MD_REQUEST: 
        {
            DBGLOG(CHAR, INF, "IOTCL CCCI_IOC_ENTER_DEEP_FLIGHT by %s(%d)", ccci_cdev_name[PORT2IDX(port_id)], port_id); 
            change_device_state(EEMCS_GATE);
            eemcs_power_off_md(0, 0);
            /* mtlte_sys_sdio_remove */
            eemcs_cdev_msg(CCCI_PORT_CTRL, CCCI_MD_MSG_ENTER_FLIGHT_MODE, 0);
           
        }
        break;

        case CCCI_IOC_LEAVE_DEEP_FLIGHT:
        case CCCI_IOC_SEND_START_MD_REQUEST:
        {
            DBGLOG(CHAR, INF, "CCCI_IOC_LEAVE_DEEP_FLIGHT by %s(%d)", ccci_cdev_name[PORT2IDX(port_id)], port_id); 
            eemcs_cdev_msg(CCCI_PORT_CTRL, CCCI_MD_MSG_LEAVE_FLIGHT_MODE, 0);
        }
        break;

        case CCCI_IOC_FORCE_MD_ASSERT:
        {
            DBGLOG(CHAR, INF, "CCCI_IOC_FORCE_MD_ASSERT by %s(%d)", ccci_cdev_name[PORT2IDX(port_id)], port_id); 
            /* force md assert channel is 20090215 */
            eemcs_cdev_write_force_md_rst();
            //CCCI_INIT_MAILBOX(&buff, 0);
            //ret = ccci_write_force(CCCI_FORCE_RESET_MODEM_CHANNEL, &buff);
        }
        break;

        case CCCI_IOC_MD_RESET:
        {
            DBGLOG(CHAR, INF, "CCCI_IOC_MD_RESET by %s(%d)", ccci_cdev_name[PORT2IDX(port_id)], port_id); 
            eemcs_md_reset();
        }
        break;

        case CCCI_IOC_CHECK_STATE:
        {
            KAL_UINT32  state;
            state = check_device_state();
            DBGLOG(CHAR, INF, "CCCI_IOC_CHECK_STATE(%d) by %s(%d)", state, ccci_cdev_name[PORT2IDX(port_id)], port_id); 
            ret = put_user((unsigned int)state, (unsigned int __user *)arg);
        }
        break;
         
#ifdef IT_TESTING_PURPOSE   
        case CCCI_IOC_PURGE_SKBQ:
        {
            struct sk_buff *skb;
            while ((skb = skb_dequeue(&eemcs_cdev_inst.cdev_node[PORT2IDX(port_id)].rx_skb_list)) != NULL) {
				dev_kfree_skb(skb);	
				eemcs_ccci_release_rx_skb(port_id, 1, skb);
            }
            atomic_set(&eemcs_cdev_inst.cdev_node[PORT2IDX(port_id)].rx_pkt_cnt, 0);
            DBGLOG(CHAR, INF, "CCCI_IOC_PURGE_SKBQ by %s(%d)", ccci_cdev_name[PORT2IDX(port_id)], port_id);         
        }
        break;
#endif

        case CCCI_IOC_GET_EXT_MD_POST_FIX:
        {
            eemcs_boot_get_ext_md_post_fix((char*) arg);
            DBGLOG(CHAR, INF, "CCCI_IOC_GET_MD_POSTFIX(%s) by %s(%d)", (char*)arg, \
				ccci_cdev_name[PORT2IDX(port_id)], port_id);
        }
        break;

        case CCCI_IOC_SET_BOOT_STATE:
        {
            KAL_UINT32  state = 0;
            get_user(state, (unsigned int __user *)arg);
            state = eemcs_boot_reset_test(state);
            DBGLOG(CHAR, INF, "CCCI_IOC_SET_BOOT_STATE(%d) by %s(%d)", state, \
				ccci_cdev_name[PORT2IDX(port_id)], port_id);
        }
        break;

        case CCCI_IOC_GET_BOOT_STATE:
        {
            KAL_UINT32  state = 0;
            
            state = eemcs_boot_get_state();
            ret = put_user((unsigned int)state, (unsigned int __user *)arg);
            DBGLOG(CHAR, INF, "CCCI_IOC_GET_BOOT_STATE(%d) by %s(%d)", state, \
				ccci_cdev_name[PORT2IDX(port_id)], port_id);
        }
        break;
       
        case CCCI_IOC_GET_MD_IMG_EXIST:
        {
            unsigned int *md_img_exist_list = eemcs_get_md_img_exist_list();
            DBGLOG(CHAR, INF,"CCCI_IOC_GET_MD_IMG_EXIST by %s(%d)", ccci_cdev_name[PORT2IDX(port_id)], port_id);
            if (copy_to_user((void __user *)arg, md_img_exist_list,(unsigned int)eemcs_get_md_img_exist_list_size())) {
				DBGLOG(CHAR, ERR, "CCCI_IOC_GET_MD_IMG_EXIST: copy_to_user fail");
				ret= -EFAULT;
            }
        }
        break;
            
        case CCCI_IOC_GET_MD_TYPE:
        {
            int md_type = get_ext_modem_support(eemcs_get_md_id());
            DBGLOG(CHAR, INF, "CCCI_IOC_GET_MD_TYPE(%d) by %s(%d)", md_type, \
				ccci_cdev_name[PORT2IDX(port_id)], port_id);
            ret = put_user((unsigned int)md_type, (unsigned int __user *)arg);
        }
        break;
            
        case CCCI_IOC_RELOAD_MD_TYPE:
        {
            int md_type = 0;
    		if(copy_from_user(&md_type, (void __user *)arg, sizeof(unsigned int))) {
				DBGLOG(CHAR, ERR, "CCCI_IOC_RELOAD_MD_TYPE: copy_from_user fail!");
				ret = -EFAULT;
                break;
			} 
            
            if (md_type >= modem_lwg && md_type <= modem_ltg){
                DBGLOG(CHAR, INF, "CCCI_IOC_RELOAD_MD_TYPE(%d) by %s(%d)", md_type, \
					ccci_cdev_name[PORT2IDX(port_id)], port_id);
			    ret = set_ext_modem_support(eemcs_get_md_id(), md_type);
            }
            else{
                DBGLOG(CHAR, ERR, "CCCI_IOC_RELOAD_MD_TYPE fail: invalid md type(%d)", md_type);
                ret = -EFAULT;
            }
            eemcs_set_reload_image(true);
	    }
        break;

        case CCCI_IOC_STORE_MD_TYPE:
        {
            unsigned int md_type_saving = 0;
			//DBGLOG(CHAR, INF, "IOC_STORE_MD_TYPE ioctl by %s!",  current->comm);
			if(copy_from_user(&md_type_saving, (void __user *)arg, sizeof(unsigned int))) {
				DBGLOG(CHAR, ERR, "CCCI_IOC_STORE_MD_TYPE: copy_from_user fail!");
				ret = -EFAULT;
                break;
			}
			
			DBGLOG(CHAR, DBG, "CCCI_IOC_STORE_MD_TYPE(%d) by %s(%s,%d)", md_type_saving, current->comm,\
				ccci_cdev_name[PORT2IDX(port_id)], port_id);
			if (md_type_saving >= modem_lwg && md_type_saving <= modem_ltg){
				if (md_type_saving != get_ext_modem_support(eemcs_get_md_id())){
					DBGLOG(CHAR, INF, "CCCI_IOC_STORE_MD_TYPE(%d->%d)", md_type_saving, get_ext_modem_support(eemcs_get_md_id()));
				}
				//Notify md_init daemon to store md type in nvram
				eemcs_cdev_msg(CCCI_PORT_CTRL, CCCI_MD_MSG_STORE_NVRAM_MD_TYPE, md_type_saving);
			}
			else {
				DBGLOG(CHAR, ERR, "CCCI_IOC_STORE_MD_TYPE fail: invalid md type(%d)", md_type_saving);
                ret = -EFAULT;
			}
			
	    }
		break;
           
        case CCCI_IOC_GET_MD_EX_TYPE:
        {
            int md_expt_type = get_md_expt_type();
            DBGLOG(CHAR, INF, "CCCI_IOC_GET_MD_EX_TYPE(%d) by %s(%d)", md_expt_type, \
				ccci_cdev_name[PORT2IDX(port_id)], port_id);
			ret = put_user((unsigned int)md_expt_type, (unsigned int __user *)arg);
        }
        break;
		
        case CCCI_IOC_DL_TRAFFIC_CONTROL:
        {
            unsigned int traffic_control = 0;
            
            if(copy_from_user(&traffic_control, (void __user *)arg, sizeof(unsigned int))) {
                DBGLOG(CHAR, ERR, "CCCI_IOC_DL_TRAFFIC_CONTROL: copy_from_user fail!");
                ret = -EFAULT;
                break;
            }
			
            DBGLOG(CHAR, INF, "CCCI_IOC_DL_TRAFFIC_CONTROL(%d) by %s(%d)", traffic_control,\
				ccci_cdev_name[PORT2IDX(port_id)], port_id);
            if(traffic_control == 1)
            {
                ccci_cdev_turn_on_dl_q(port_id);
            }
            else if(traffic_control == 0)
            {
                ccci_cdev_turn_off_dl_q(port_id);
            }
            else 
            {
                DBGLOG(CHAR, ERR, "CCCI_IOC_DL_TRAFFIC_CONTROL fail: Unknown value(0x%x)", traffic_control);
                ret = -EFAULT;
            }
	    }
        break;    

		case CCCI_IOC_GET_SIM_TYPE: 		//for regional phone boot animation
		{
			get_sim_type(eemcs_get_md_id(), &sim_type);
			ret = put_user((unsigned int)sim_type, (unsigned int __user *)arg);
		}
		break;
		
		case CCCI_IOC_ENABLE_GET_SIM_TYPE:	//for regional phone boot animation
		{
			if(copy_from_user(&enable_sim_type, (void __user *)arg, sizeof(unsigned int))) {
				DBGLOG(CHAR, ERR, "CCCI_IOC_ENABLE_GET_SIM_TYPE: copy_from_user fail!\n");
				ret = -EFAULT;
			} else {
				enable_get_sim_type(eemcs_get_md_id(), enable_sim_type);
			}
		}
		break;          

        default:
            DBGLOG(CHAR, ERR, "Unknown ioctl(0x%x) by %s(%d)", cmd, ccci_cdev_name[PORT2IDX(port_id)], port_id);
            ret = -EFAULT;
        	break;
    }

_exit:
    DEBUG_LOG_FUNCTION_LEAVE;
    return ret;
}