int diag_md_write(int id, unsigned char *buf, int len, int ctx)
{
int i;
uint8_t found = 0;
unsigned long flags;
struct diag_md_info *ch = NULL;
if (id < 0 || id >= NUM_DIAG_MD_DEV)
return -EINVAL;
if (!buf || len < 0)
return -EINVAL;
ch = &diag_md[id];
for (i = 0; i < ch->num_tbl_entries && !found; i++) {
spin_lock_irqsave(&ch->tbl[i].lock, flags);
if (ch->tbl[i].len == 0) {
ch->tbl[i].buf = buf;
ch->tbl[i].len = len;
ch->tbl[i].ctx = ctx;
found = 1;
diag_ws_on_read(DIAG_WS_MD, len);
}
spin_unlock_irqrestore(&ch->tbl[i].lock, flags);
}
if (!found) {
pr_err_ratelimited("diag: Unable to find an empty space in table, please reduce logging rate, proc: %d\n",
id);
return -ENOMEM;
}
found = 0;
for (i = 0; i < driver->num_clients && !found; i++) {
if (driver->client_map[i].pid != driver->logging_process_id)
continue;
found = 1;
driver->data_ready[i] |= USER_SPACE_DATA_TYPE;
pr_debug("diag: wake up logging process\n");
wake_up_interruptible(&driver->wait_q);
}
if (!found)
return -EINVAL;
return 0;
}
int diag_md_write(int id, unsigned char *buf, int len, int ctx)
{
int i;
uint8_t found = 0;
unsigned long flags;
struct diag_md_info *ch = NULL;
if (id < 0 || id >= NUM_DIAG_MD_DEV)
return -EINVAL;
if (!buf || len < 0)
return -EINVAL;
ch = &diag_md[id];
spin_lock_irqsave(&ch->lock, flags);
for (i = 0; i < ch->num_tbl_entries && !found; i++) {
if (ch->tbl[i].buf != buf)
continue;
found = 1;
pr_err_ratelimited("diag: trying to write the same buffer buf: %p, ctxt: %d len: %d at i: %d back to the table, proc: %d, mode: %d\n",
buf, ctx, ch->tbl[i].len,
i, id, driver->logging_mode);
}
spin_unlock_irqrestore(&ch->lock, flags);
if (found)
return -ENOMEM;
spin_lock_irqsave(&ch->lock, flags);
for (i = 0; i < ch->num_tbl_entries && !found; i++) {
if (ch->tbl[i].len == 0) {
ch->tbl[i].buf = buf;
ch->tbl[i].len = len;
ch->tbl[i].ctx = ctx;
found = 1;
diag_ws_on_read(DIAG_WS_MD, len);
}
}
spin_unlock_irqrestore(&ch->lock, flags);
if (!found) {
pr_err_ratelimited("diag: Unable to find an empty space in table, please reduce logging rate, proc: %d\n",
id);
return -ENOMEM;
}
found = 0;
for (i = 0; i < driver->num_clients && !found; i++) {
if (driver->client_map[i].pid != driver->logging_process_id)
continue;
found = 1;
/*++ 2014/10/22, USB Team, PCN00022 ++*/
driver->data_ready[i] |= USERMODE_DIAGFWD;
/*-- 2014/10/22, USB Team, PCN00022--*/
pr_debug("diag: wake up logging process\n");
wake_up_interruptible(&driver->wait_q);
}
if (!found)
return -EINVAL;
return 0;
}
int diag_mux_write(int proc, unsigned char *buf, int len, int ctx)
{
#ifdef CONFIG_LGE_DM_APP
int i;
uint8_t found = 0;
unsigned long flags;
struct diag_usb_info *usb_info = NULL;
#endif
if (proc < 0 || proc >= NUM_MUX_PROC)
return -EINVAL;
#ifdef CONFIG_LGE_DM_APP
if (driver->logging_mode == DM_APP_MODE) {
/* only diag cmd #250 for supporting testmode tool */
if ((GET_BUF_PERIPHERAL(ctx) == APPS_DATA) && (*((char *)buf) == 0xFA)) {
usb_info = &diag_usb[lge_dm_tty->id];
lge_dm_tty->dm_usb_req = diagmem_alloc(driver, sizeof(struct diag_request),
usb_info->mempool);
if (lge_dm_tty->dm_usb_req) {
lge_dm_tty->dm_usb_req->buf = buf;
lge_dm_tty->dm_usb_req->length = len;
lge_dm_tty->dm_usb_req->context = (void *)(uintptr_t)ctx;
queue_work(lge_dm_tty->dm_wq,
&(lge_dm_tty->dm_usb_work));
flush_work(&(lge_dm_tty->dm_usb_work));
}
return 0;
}
for (i = 0; i < lge_dm_tty->num_tbl_entries && !found; i++) {
spin_lock_irqsave(&lge_dm_tty->tbl[i].lock, flags);
if (lge_dm_tty->tbl[i].len == 0) {
lge_dm_tty->tbl[i].buf = buf;
lge_dm_tty->tbl[i].len = len;
lge_dm_tty->tbl[i].ctx = ctx;
found = 1;
diag_ws_on_read(DIAG_WS_MD, len);
}
spin_unlock_irqrestore(&lge_dm_tty->tbl[i].lock, flags);
}
lge_dm_tty->set_logging = 1;
wake_up_interruptible(&lge_dm_tty->waitq);
return 0;
}
#endif
#ifdef CONFIG_LGE_DIAG_BYPASS
if(diag_bypass_response(buf, len, proc, ctx, logger) > 0) {
return 0;
}
#endif
if (logger && logger->log_ops && logger->log_ops->write)
return logger->log_ops->write(proc, buf, len, ctx);
return 0;
}
int diag_md_write(int id, unsigned char *buf, int len, int ctx)
{
int i;
uint8_t found = 0;
unsigned long flags;
struct diag_md_info *ch = NULL;
uint8_t peripheral;
struct diag_md_session_t *session_info = NULL;
if (id < 0 || id >= NUM_DIAG_MD_DEV || id >= DIAG_NUM_PROC)
return -EINVAL;
if (!buf || len < 0)
return -EINVAL;
peripheral = GET_BUF_PERIPHERAL(ctx);
if (peripheral > NUM_PERIPHERALS)
return -EINVAL;
session_info = diag_md_session_get_peripheral(peripheral);
if (!session_info)
return -EIO;
ch = &diag_md[id];
spin_lock_irqsave(&ch->lock, flags);
for (i = 0; i < ch->num_tbl_entries && !found; i++) {
if (ch->tbl[i].buf != buf)
continue;
found = 1;
pr_err_ratelimited("diag: trying to write the same buffer buf: %p, ctxt: %d len: %d at i: %d back to the table, proc: %d, mode: %d\n",
buf, ctx, ch->tbl[i].len,
i, id, driver->logging_mode);
}
spin_unlock_irqrestore(&ch->lock, flags);
if (found)
return -ENOMEM;
spin_lock_irqsave(&ch->lock, flags);
for (i = 0; i < ch->num_tbl_entries && !found; i++) {
if (ch->tbl[i].len == 0) {
ch->tbl[i].buf = buf;
ch->tbl[i].len = len;
ch->tbl[i].ctx = ctx;
found = 1;
diag_ws_on_read(DIAG_WS_MUX, len);
}
}
spin_unlock_irqrestore(&ch->lock, flags);
if (!found) {
pr_err_ratelimited("diag: Unable to find an empty space in table, please reduce logging rate, proc: %d\n",
id);
return -ENOMEM;
}
found = 0;
for (i = 0; i < driver->num_clients && !found; i++) {
if ((driver->client_map[i].pid !=
session_info->pid) ||
(driver->client_map[i].pid == 0))
continue;
found = 1;
driver->data_ready[i] |= USERMODE_DIAGFWD;
DIAG_DBUG("diag: wake up logging process\n");
wake_up_interruptible(&driver->wait_q);
}
if (!found)
return -EINVAL;
return 0;
}