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 ;
}
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;
}
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%08X, 0x%08X, %02d, 0x%08X",\
p_cccih->data[0],p_cccih->data[1],p_cccih->channel, p_cccih->reserved );
} else {
DEBUG_LOG_FUNCTION_LEAVE;
return KAL_SUCCESS;
}
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 */
#if 0
}else{
bool eemcs_cdev_rst_port_closed(void){
/* reset must wait for fs/muxd/rild to be terminated */
if(CDEV_OPEN == atomic_read(&eemcs_cdev_inst.cdev_node[PORT2IDX(CCCI_PORT_FS)].cdev_state)){
DBGLOG(CHAR,DEF,"FS port close fail!");
return false;
}
if(CDEV_OPEN == atomic_read(&eemcs_cdev_inst.cdev_node[PORT2IDX(CCCI_PORT_MUX)].cdev_state)){
DBGLOG(CHAR,DEF,"MUX port close fail!");
return false;
}
// if(CDEV_OPEN == atomic_read(&eemcs_cdev_inst.cdev_node[PORT2IDX(CCCI_PORT_MD_LOG)].cdev_state)){
// DBGLOG(CHAR,DEF,"MDLOG port close fail!");
// return false;
// }
return true;
}
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;
}
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;
}
int eemcs_cdev_msg(int port_id, unsigned int message, unsigned int reserved){
struct sk_buff *new_skb;
CCCI_BUFF_T *pccci_h;
ccci_port_cfg *port_cfg;
DEBUG_LOG_FUNCTION_ENTRY;
new_skb = dev_alloc_skb(sizeof(CCCI_BUFF_T));
if(new_skb == NULL){
DBGLOG(CHAR,ERR,"dev_alloc_skb fail(size=%d).", sizeof(CCCI_BUFF_T));
DEBUG_LOG_FUNCTION_LEAVE;
return KAL_FAIL;
}
pccci_h = (CCCI_BUFF_T *)new_skb->data;
memset(pccci_h, 0, sizeof(CCCI_BUFF_T));
port_cfg = ccci_get_port_info(port_id);
pccci_h->data[0] = CCCI_MAGIC_NUM;
pccci_h->data[1] = message;
pccci_h->channel = port_cfg->ch.rx;
pccci_h->reserved = reserved;
DBGLOG(CHAR, DBG, "%s(%d) send cdev_msg: 0x%08X, 0x%08X, %02d, 0x%08X", ccci_cdev_name[PORT2IDX(port_id)],\
port_id, pccci_h->data[0], pccci_h->data[1], pccci_h->channel, pccci_h->reserved);
if(port_id == CCCI_PORT_CTRL){
return eemcs_boot_rx_callback(new_skb, 0);
}else{
return eemcs_cdev_rx_callback(new_skb, 0);
}
}
