Exemple #1
0
int mga_dma_init( DRM_IOCTL_ARGS )
{
	DRM_DEVICE;
	drm_mga_init_t init;

	LOCK_TEST_WITH_RETURN( dev, filp );

	DRM_COPY_FROM_USER_IOCTL( init, (drm_mga_init_t *)data, sizeof(init) );

	switch ( init.func ) {
	case MGA_INIT_DMA:
		return mga_do_init_dma( dev, &init );
	case MGA_CLEANUP_DMA:
		return mga_do_cleanup_dma( dev );
	}

	return DRM_ERR(EINVAL);
}
Exemple #2
0
int mga_dma_init( struct inode *inode, struct file *filp,
		  unsigned int cmd, unsigned long arg )
{
	drm_file_t *priv = filp->private_data;
	drm_device_t *dev = priv->dev;
	drm_mga_init_t init;

	if ( copy_from_user( &init, (drm_mga_init_t *)arg, sizeof(init) ) )
		return -EFAULT;

	switch ( init.func ) {
	case MGA_INIT_DMA:
		return mga_do_init_dma( dev, &init );
	case MGA_CLEANUP_DMA:
		return mga_do_cleanup_dma( dev );
	}

	return -EINVAL;
}