C++ (Cpp) ttm_bo_mmap Examples

Example #1

File: nouveau_ttm.c Project: JamesChenFromChina/linux

int
nouveau_ttm_mmap(struct file *filp, struct vm_area_struct *vma)
{
	struct drm_file *file_priv = filp->private_data;
	struct nouveau_drm *drm = nouveau_drm(file_priv->minor->dev);

	if (unlikely(vma->vm_pgoff < DRM_FILE_PAGE_OFFSET))
		return drm_legacy_mmap(filp, vma);

	return ttm_bo_mmap(filp, vma, &drm->ttm.bdev);
}

Example #2

File: bochs_mm.c Project: JamesChenFromChina/linux

int bochs_mmap(struct file *filp, struct vm_area_struct *vma)
{
	struct drm_file *file_priv;
	struct bochs_device *bochs;

	if (unlikely(vma->vm_pgoff < DRM_FILE_PAGE_OFFSET))
		return -EINVAL;

	file_priv = filp->private_data;
	bochs = file_priv->minor->dev->dev_private;
	return ttm_bo_mmap(filp, vma, &bochs->ttm.bdev);
}

Example #3

File: hibmc_ttm.c Project: mkahola/drm-intel-mika

int hibmc_mmap(struct file *filp, struct vm_area_struct *vma)
{
	struct drm_file *file_priv;
	struct hibmc_drm_private *hibmc;

	if (unlikely(vma->vm_pgoff < DRM_FILE_PAGE_OFFSET))
		return -EINVAL;

	file_priv = filp->private_data;
	hibmc = file_priv->minor->dev->dev_private;
	return ttm_bo_mmap(filp, vma, &hibmc->bdev);
}

Example #4

int
pvdrm_ttm_mmap(struct file *filp, struct vm_area_struct *vma)
{
	/* FIXME: We should implement ttm shadow memory on the guest side. */
	struct drm_file* file_priv = filp->private_data;
	struct pvdrm_device* pvdrm = drm_device_to_pvdrm(file_priv->minor->dev);

	if (unlikely(vma->vm_pgoff < DRM_FILE_PAGE_OFFSET)) {
		return drm_mmap(filp, vma);
	}

	return ttm_bo_mmap(filp, vma, &pvdrm->ttm->bdev);
}

Example #5

File: vmwgfx_ttm_glue.c Project: 0xroot/Blackphone-BP1-Kernel

int vmw_mmap(struct file *filp, struct vm_area_struct *vma)
{
	struct drm_file *file_priv;
	struct vmw_private *dev_priv;

	if (unlikely(vma->vm_pgoff < VMWGFX_FILE_PAGE_OFFSET)) {
		DRM_ERROR("Illegal attempt to mmap old fifo space.\n");
		return -EINVAL;
	}

	file_priv = filp->private_data;
	dev_priv = vmw_priv(file_priv->minor->dev);
	return ttm_bo_mmap(filp, vma, &dev_priv->bdev);
}

Example #6

int vmw_mmap(struct file *filp, struct vm_area_struct *vma)
{
	struct drm_file *file_priv;
	struct vmw_private *dev_priv;

	if (unlikely(vma->vm_pgoff < VMWGFX_FILE_PAGE_OFFSET)) {
		if (vmw_fifo_mmap(filp, vma) == 0)
			return 0;
		return drm_mmap(filp, vma);
	}

	file_priv = filp->private_data;
	dev_priv = vmw_priv(file_priv->minor->dev);
	return ttm_bo_mmap(filp, vma, &dev_priv->bdev);
}