static int agp_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
{
struct agp_file_private *curr_priv = file->private_data;
int ret_val = -ENOTTY;
DBG("priv=%p, cmd=%x", curr_priv, cmd);
down(&(agp_fe.agp_mutex));
if ((agp_fe.current_controller == NULL) &&
(cmd != AGPIOC_ACQUIRE)) {
ret_val = -EINVAL;
goto ioctl_out;
}
if ((agp_fe.backend_acquired != TRUE) &&
(cmd != AGPIOC_ACQUIRE)) {
ret_val = -EBUSY;
goto ioctl_out;
}
if (cmd != AGPIOC_ACQUIRE) {
if (!(test_bit(AGP_FF_IS_CONTROLLER, &curr_priv->access_flags))) {
ret_val = -EPERM;
goto ioctl_out;
}
/* Use the original pid of the controller,
* in case it's threaded */
if (agp_fe.current_controller->pid != curr_priv->my_pid) {
ret_val = -EBUSY;
goto ioctl_out;
}
}
switch (cmd) {
case AGPIOC_INFO:
ret_val = agpioc_info_wrap(curr_priv, (void __user *) arg);
break;
case AGPIOC_ACQUIRE:
ret_val = agpioc_acquire_wrap(curr_priv);
break;
case AGPIOC_RELEASE:
ret_val = agpioc_release_wrap(curr_priv);
break;
case AGPIOC_SETUP:
ret_val = agpioc_setup_wrap(curr_priv, (void __user *) arg);
break;
case AGPIOC_RESERVE:
ret_val = agpioc_reserve_wrap(curr_priv, (void __user *) arg);
break;
case AGPIOC_PROTECT:
ret_val = agpioc_protect_wrap(curr_priv);
break;
case AGPIOC_ALLOCATE:
ret_val = agpioc_allocate_wrap(curr_priv, (void __user *) arg);
break;
case AGPIOC_DEALLOCATE:
ret_val = agpioc_deallocate_wrap(curr_priv, (int) arg);
break;
case AGPIOC_BIND:
ret_val = agpioc_bind_wrap(curr_priv, (void __user *) arg);
break;
case AGPIOC_UNBIND:
ret_val = agpioc_unbind_wrap(curr_priv, (void __user *) arg);
break;
}
ioctl_out:
DBG("ioctl returns %d\n", ret_val);
up(&(agp_fe.agp_mutex));
return ret_val;
}
static int agp_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
{
agp_file_private *curr_priv = (agp_file_private *) file->private_data;
int ret_val = -ENOTTY;
AGP_LOCK();
if ((agp_fe.current_controller == NULL) &&
(cmd != AGPIOC_ACQUIRE)) {
ret_val = -EINVAL;
goto ioctl_out;
}
if ((agp_fe.backend_acquired != TRUE) &&
(cmd != AGPIOC_ACQUIRE)) {
ret_val = -EBUSY;
goto ioctl_out;
}
if (cmd != AGPIOC_ACQUIRE) {
if (!(test_bit(AGP_FF_IS_CONTROLLER,
&curr_priv->access_flags))) {
ret_val = -EPERM;
goto ioctl_out;
}
/* Use the original pid of the controller,
* in case it's threaded */
if (agp_fe.current_controller->pid != curr_priv->my_pid) {
ret_val = -EBUSY;
goto ioctl_out;
}
}
switch (cmd) {
case AGPIOC_INFO:
{
ret_val = agpioc_info_wrap(curr_priv, arg);
goto ioctl_out;
}
case AGPIOC_ACQUIRE:
{
ret_val = agpioc_acquire_wrap(curr_priv, arg);
goto ioctl_out;
}
case AGPIOC_RELEASE:
{
ret_val = agpioc_release_wrap(curr_priv, arg);
goto ioctl_out;
}
case AGPIOC_SETUP:
{
ret_val = agpioc_setup_wrap(curr_priv, arg);
goto ioctl_out;
}
case AGPIOC_RESERVE:
{
ret_val = agpioc_reserve_wrap(curr_priv, arg);
goto ioctl_out;
}
case AGPIOC_PROTECT:
{
ret_val = agpioc_protect_wrap(curr_priv, arg);
goto ioctl_out;
}
case AGPIOC_ALLOCATE:
{
ret_val = agpioc_allocate_wrap(curr_priv, arg);
goto ioctl_out;
}
case AGPIOC_DEALLOCATE:
{
ret_val = agpioc_deallocate_wrap(curr_priv, arg);
goto ioctl_out;
}
case AGPIOC_BIND:
{
ret_val = agpioc_bind_wrap(curr_priv, arg);
goto ioctl_out;
}
case AGPIOC_UNBIND:
{
ret_val = agpioc_unbind_wrap(curr_priv, arg);
goto ioctl_out;
}
}
ioctl_out:
AGP_UNLOCK();
return ret_val;
}