static int mga_dma_indices(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
drm_mga_private_t *dev_priv = dev->dev_private;
struct drm_device_dma *dma = dev->dma;
struct drm_buf *buf;
drm_mga_buf_priv_t *buf_priv;
drm_mga_indices_t *indices = data;
LOCK_TEST_WITH_RETURN(dev, file_priv);
if (indices->idx < 0 || indices->idx > dma->buf_count)
return -EINVAL;
buf = dma->buflist[indices->idx];
buf_priv = buf->dev_private;
buf_priv->discard = indices->discard;
if (!mga_verify_state(dev_priv)) {
if (indices->discard) {
if (buf_priv->dispatched == 1)
AGE_BUFFER(buf_priv);
buf_priv->dispatched = 0;
mga_freelist_put(dev, buf);
}
return -EINVAL;
}
WRAP_TEST_WITH_RETURN(dev_priv);
mga_dma_dispatch_indices(dev, buf, indices->start, indices->end);
return 0;
}
int mga_dma_indices( 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_private_t *dev_priv = dev->dev_private;
drm_device_dma_t *dma = dev->dma;
drm_buf_t *buf;
drm_mga_buf_priv_t *buf_priv;
drm_mga_indices_t indices;
LOCK_TEST_WITH_RETURN( dev );
if ( copy_from_user( &indices,
(drm_mga_indices_t *)arg,
sizeof(indices) ) )
return -EFAULT;
if(indices.idx < 0 || indices.idx > dma->buf_count) return -EINVAL;
buf = dma->buflist[indices.idx];
buf_priv = buf->dev_private;
buf_priv->discard = indices.discard;
if ( !mga_verify_state( dev_priv ) ) {
if ( indices.discard ) {
if ( buf_priv->dispatched == 1 )
AGE_BUFFER( buf_priv );
buf_priv->dispatched = 0;
mga_freelist_put( dev, buf );
}
return -EINVAL;
}
WRAP_TEST_WITH_RETURN( dev_priv );
mga_dma_dispatch_indices( dev, buf, indices.start, indices.end );
return 0;
}
static int mga_dma_indices(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_mga_private_t *dev_priv = dev->dev_private;
struct drm_device_dma *dma = dev->dma;
struct drm_buf *buf;
drm_mga_buf_priv_t *buf_priv;
drm_mga_indices_t indices;
LOCK_TEST_WITH_RETURN(dev, filp);
DRM_COPY_FROM_USER_IOCTL(indices,
(drm_mga_indices_t __user *) data,
sizeof(indices));
if (indices.idx < 0 || indices.idx > dma->buf_count)
return DRM_ERR(EINVAL);
buf = dma->buflist[indices.idx];
buf_priv = buf->dev_private;
buf_priv->discard = indices.discard;
if (!mga_verify_state(dev_priv)) {
if (indices.discard) {
if (buf_priv->dispatched == 1)
AGE_BUFFER(buf_priv);
buf_priv->dispatched = 0;
mga_freelist_put(dev, buf);
}
return DRM_ERR(EINVAL);
}
WRAP_TEST_WITH_RETURN(dev_priv);
mga_dma_dispatch_indices(dev, buf, indices.start, indices.end);
return 0;
}
int mga_dma_vertex(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_mga_private_t *dev_priv = dev->dev_private;
drm_device_dma_t *dma = dev->dma;
drm_buf_t *buf;
drm_mga_buf_priv_t *buf_priv;
drm_mga_vertex_t vertex;
LOCK_TEST_WITH_RETURN(dev, filp);
DRM_COPY_FROM_USER_IOCTL(vertex,
(drm_mga_vertex_t __user *) data,
sizeof(vertex));
if (vertex.idx < 0 || vertex.idx > dma->buf_count)
return DRM_ERR(EINVAL);
buf = dma->buflist[vertex.idx];
buf_priv = buf->dev_private;
buf->used = vertex.used;
buf_priv->discard = vertex.discard;
if (!mga_verify_state(dev_priv)) {
if (vertex.discard) {
if (buf_priv->dispatched == 1)
AGE_BUFFER(buf_priv);
buf_priv->dispatched = 0;
mga_freelist_put(dev, buf);
}
return DRM_ERR(EINVAL);
}
WRAP_TEST_WITH_RETURN(dev_priv);
mga_dma_dispatch_vertex(dev, buf);
return 0;
}