42 	struct vm_area_struct		*vma;  member
191 static int vb2_dc_mmap(void *buf_priv, struct vm_area_struct *vma)  in vb2_dc_mmap()  argument
205 	vma->vm_pgoff = 0;  in vb2_dc_mmap()
207 	ret = dma_mmap_coherent(buf->dev, vma, buf->vaddr,  in vb2_dc_mmap()
215 	vma->vm_flags		|= VM_DONTEXPAND | VM_DONTDUMP;  in vb2_dc_mmap()
216 	vma->vm_private_data	= &buf->handler;  in vb2_dc_mmap()
217 	vma->vm_ops		= &vb2_common_vm_ops;  in vb2_dc_mmap()
219 	vma->vm_ops->open(vma);  in vb2_dc_mmap()
222 		__func__, (unsigned long)buf->dma_addr, vma->vm_start,  in vb2_dc_mmap()
362 	struct vm_area_struct *vma)  in vb2_dc_dmabuf_ops_mmap()  argument
364 	return vb2_dc_mmap(dbuf->priv, vma);  in vb2_dc_dmabuf_ops_mmap()
432 static inline int vma_is_io(struct vm_area_struct *vma)  in vma_is_io()  argument
434 	return !!(vma->vm_flags & (VM_IO | VM_PFNMAP));  in vma_is_io()
438 	struct vm_area_struct *vma, unsigned long *res)  in vb2_dc_get_user_pfn()  argument
444 	if (!vma_is_io(vma))  in vb2_dc_get_user_pfn()
447 	ret = follow_pfn(vma, start, &pfn);  in vb2_dc_get_user_pfn()
456 		ret = follow_pfn(vma, start, &pfn);  in vb2_dc_get_user_pfn()
471 	int n_pages, struct vm_area_struct *vma,  in vb2_dc_get_user_pages()  argument
474 	if (vma_is_io(vma)) {  in vb2_dc_get_user_pages()
479 			int ret = follow_pfn(vma, start, &pfn);  in vb2_dc_get_user_pages()
529 		if (!vma_is_io(buf->vma))  in vb2_dc_put_userptr()
535 	vb2_put_vma(buf->vma);  in vb2_dc_put_userptr()
581 	struct vm_area_struct *vma;  in vb2_dc_get_userptr()  local
620 	vma = find_vma(current->mm, vaddr);  in vb2_dc_get_userptr()
621 	if (!vma) {  in vb2_dc_get_userptr()
627 	if (vma->vm_end < vaddr + size) {  in vb2_dc_get_userptr()
633 	buf->vma = vb2_get_vma(vma);  in vb2_dc_get_userptr()
634 	if (!buf->vma) {  in vb2_dc_get_userptr()
641 	ret = vb2_dc_get_user_pages(start, pages, n_pages, vma, dma_dir);  in vb2_dc_get_userptr()
644 		if (vb2_dc_get_user_pfn(start, n_pages, vma, &pfn) == 0) {  in vb2_dc_get_userptr()
704 	if (!vma_is_io(buf->vma))  in vb2_dc_get_userptr()
712 	if (pages && !vma_is_io(buf->vma))  in vb2_dc_get_userptr()
717 	vb2_put_vma(buf->vma);  in vb2_dc_get_userptr()