C++ (Cpp) mga_verify_state Examples

Example #1

File: mga_state.c Project: 24hours/linux

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;
}

Example #2

File: mga_state.c Project: nhanh0/hah

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;
}

Example #3

File: mga_state.c Project: cilynx/dd-wrt

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;
}

Example #4

File: mga_state.c Project: BackupTheBerlios/dri-ex-svn

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;
}