Name
drm_ioctl —
ioctl callback implementation for DRM drivers
Synopsis
long drm_ioctl ( | struct file * filp, |
| unsigned int cmd, |
| unsigned long arg) ; |
Arguments
filp
file this ioctl is called on
cmd
ioctl cmd number
arg
user argument
Looks up the ioctl function in the
:ioctls table, checking for root
previleges if so required, and dispatches to the respective function.
Returns
Zero on success, negative error code on failure.