/* Perform I/O control on an active X.25 channel. */
static int x25_asy_ioctl(struct tty_struct *tty, struct file *file,
unsigned int cmd, unsigned long arg)
{
struct x25_asy *sl = (struct x25_asy *) tty->disc_data;
/* First make sure we're connected. */
if (!sl || sl->magic != X25_ASY_MAGIC)
return -EINVAL;
switch(cmd) {
case SIOCGIFNAME:
if (copy_to_user((void __user *)arg, sl->dev->name,
strlen(sl->dev->name) + 1))
return -EFAULT;
return 0;
case SIOCSIFHWADDR:
return -EINVAL;
/* Allow stty to read, but not set, the serial port */
case TCGETS:
case TCGETA:
return n_tty_ioctl(tty, file, cmd, arg);
default:
return -ENOIOCTLCMD;
}
}
/* Perform I/O control on an active SLCAN channel. */
static int slcan_ioctl(struct tty_struct *tty, struct file *file,
unsigned int cmd, unsigned long arg)
{
struct slcan *sl = (struct slcan *) tty->disc_data;
unsigned int tmp;
/* First make sure we're connected. */
if (!sl || sl->magic != SLCAN_MAGIC)
return -EINVAL;
switch (cmd) {
case SIOCGIFNAME:
tmp = strlen(sl->dev->name) + 1;
if (copy_to_user((void __user *)arg, sl->dev->name, tmp))
return -EFAULT;
return 0;
case SIOCSIFHWADDR:
return -EINVAL;
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
/* Allow stty to read, but not set, the serial port */
case TCGETS:
case TCGETA:
return n_tty_ioctl(tty, file, cmd, arg);
default:
return -ENOIOCTLCMD;
#else
default:
return tty_mode_ioctl(tty, file, cmd, arg);
#endif
}
}
/* hci_uart_tty_ioctl()
*
* Process IOCTL system call for the tty device.
*
* Arguments:
*
* tty pointer to tty instance data
* file pointer to open file object for device
* cmd IOCTL command code
* arg argument for IOCTL call (cmd dependent)
*
* Return Value: Command dependent
*/
static int hci_uart_tty_ioctl(struct tty_struct *tty, struct file * file,
unsigned int cmd, unsigned long arg)
{
struct hci_uart *hu = (void *)tty->disc_data;
int err = 0;
BT_DBG("");
/* Verify the status of the device */
if (!hu)
return -EBADF;
switch (cmd) {
case HCIUARTSETPROTO:
if (!test_and_set_bit(HCI_UART_PROTO_SET, &hu->flags)) {
err = hci_uart_set_proto(hu, arg);
if (err) {
clear_bit(HCI_UART_PROTO_SET, &hu->flags);
return err;
}
} else
return -EBUSY;
break;
case HCIUARTGETPROTO:
if (test_bit(HCI_UART_PROTO_SET, &hu->flags))
return hu->proto->id;
return -EUNATCH;
case HCIUARTGETDEVICE:
if (test_bit(HCI_UART_PROTO_SET, &hu->flags))
return hu->hdev->id;
return -EUNATCH;
case HCIUARTSETFLAGS:
if (test_bit(HCI_UART_PROTO_SET, &hu->flags))
return -EBUSY;
hu->hdev_flags = arg;
break;
case HCIUARTGETFLAGS:
return hu->hdev_flags;
default:
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,27))
err = n_tty_ioctl_helper(tty, file, cmd, arg);
#else
err = n_tty_ioctl(tty, file, cmd, arg);
#endif
break;
};
return err;
}
int capinc_tty_ioctl(struct tty_struct *tty, struct file * file,
unsigned int cmd, unsigned long arg)
{
int error = 0;
switch (cmd) {
default:
error = n_tty_ioctl (tty, file, cmd, arg);
break;
}
return error;
}
/* n_hdlc_tty_ioctl()
*
* Process IOCTL system call for the tty device.
*
* Arguments:
*
* tty pointer to tty instance data
* file pointer to open file object for device
* cmd IOCTL command code
* arg argument for IOCTL call (cmd dependent)
*
* Return Value: Command dependent
*/
static int n_hdlc_tty_ioctl (struct tty_struct *tty, struct file * file,
unsigned int cmd, unsigned long arg)
{
struct n_hdlc *n_hdlc = tty2n_hdlc (tty);
int error = 0;
int count;
unsigned long flags;
if (debuglevel >= DEBUG_LEVEL_INFO)
printk("%s(%d)n_hdlc_tty_ioctl() called %d\n",
__FILE__,__LINE__,cmd);
/* Verify the status of the device */
if (!n_hdlc || n_hdlc->magic != HDLC_MAGIC)
return -EBADF;
switch (cmd) {
case FIONREAD:
/* report count of read data available */
/* in next available frame (if any) */
spin_lock_irqsave(&n_hdlc->rx_buf_list.spinlock,flags);
if (n_hdlc->rx_buf_list.head)
count = n_hdlc->rx_buf_list.head->count;
else
count = 0;
spin_unlock_irqrestore(&n_hdlc->rx_buf_list.spinlock,flags);
PUT_USER (error, count, (int *) arg);
break;
case TIOCOUTQ:
/* get the pending tx byte count in the driver */
count = tty->driver.chars_in_buffer ?
tty->driver.chars_in_buffer(tty) : 0;
/* add size of next output frame in queue */
spin_lock_irqsave(&n_hdlc->tx_buf_list.spinlock,flags);
if (n_hdlc->tx_buf_list.head)
count += n_hdlc->tx_buf_list.head->count;
spin_unlock_irqrestore(&n_hdlc->tx_buf_list.spinlock,flags);
PUT_USER (error, count, (int*)arg);
break;
default:
error = n_tty_ioctl (tty, file, cmd, arg);
break;
}
return error;
} /* end of n_hdlc_tty_ioctl() */
static int viotty_ioctl(struct tty_struct *tty, struct file *file,
unsigned int cmd, unsigned long arg)
{
switch (cmd) {
/*
* the ioctls below read/set the flags usually shown in the leds
* don't use them - they will go away without warning
*/
case KDGETLED:
case KDGKBLED:
return put_user(0, (char *)arg);
case KDSKBLED:
return 0;
}
return n_tty_ioctl(tty, file, cmd, arg);
}
static int sio_ioctl(struct tty_struct *tty, struct file *file,
unsigned int cmd, unsigned long arg)
{
if (cmd == TIOCGSERIAL)
return sio_ioctl_getserialinfo((struct serial_struct *)arg);
if (cmd == TIOCSSERIAL)
return sio_ioctl_setserialinfo((struct serial_struct *)arg);
#if 0
if (cmd == TIOCSERGETLSR)
return sio_get_lsr((unsigned int *) arg);
#endif
printk(KERN_ERR "unhandled ioctl(%08x)\n", cmd);
return n_tty_ioctl(tty, file, cmd, arg);
//return -EIO;
}
/* n_hci_tty_ioctl()
*
* Process IOCTL system call for the tty device.
*
* Arguments:
*
* tty pointer to tty instance data
* file pointer to open file object for device
* cmd IOCTL command code
* arg argument for IOCTL call (cmd dependent)
*
* Return Value: Command dependent
*/
static int n_hci_tty_ioctl (struct tty_struct *tty, struct file * file,
unsigned int cmd, unsigned long arg)
{
struct n_hci *n_hci = tty2n_hci(tty);
int error = 0;
DBG("");
/* Verify the status of the device */
if (!n_hci)
return -EBADF;
switch (cmd) {
default:
error = n_tty_ioctl(tty, file, cmd, arg);
break;
};
return error;
}
/* hci_uart_tty_ioctl()
*
* Process IOCTL system call for the tty device.
*
* Arguments:
*
* tty pointer to tty instance data
* file pointer to open file object for device
* cmd IOCTL command code
* arg argument for IOCTL call (cmd dependent)
*
* Return Value: Command dependent
*/
static int hci_uart_tty_ioctl(struct tty_struct *tty, struct file * file,
unsigned int cmd, unsigned long arg)
{
struct hci_uart *hu = (void *)tty->disc_data;
int err = 0;
BT_DBG("");
/* Verify the status of the device */
if (!hu)
return -EBADF;
switch (cmd) {
case HCIUARTSETPROTO:
if (!test_and_set_bit(HCI_UART_PROTO_SET, &hu->flags)) {
err = hci_uart_set_proto(hu, arg);
if (err) {
clear_bit(HCI_UART_PROTO_SET, &hu->flags);
return err;
}
tty->low_latency = 1;
} else
return -EBUSY;
break;
case HCIUARTGETPROTO:
if (test_bit(HCI_UART_PROTO_SET, &hu->flags))
return hu->proto->id;
return -EUNATCH;
default:
err = n_tty_ioctl(tty, file, cmd, arg);
break;
};
return err;
}