EVOLUTION-MANAGER

Edit File: videobuf2-memops.h

/* * videobuf2-memops.h - generic memory handling routines for videobuf2 * * Copyright (C) 2010 Samsung Electronics * * Author: Pawel Osciak <pawel@osciak.com> * Marek Szyprowski <m.szyprowski@samsung.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation. */ #ifndef _MEDIA_VIDEOBUF2_MEMOPS_H #define _MEDIA_VIDEOBUF2_MEMOPS_H #include <media/videobuf2-core.h> /** * vb2_vmarea_handler - common vma refcount tracking handler * @refcount: pointer to refcount entry in the buffer * @put: callback to function that decreases buffer refcount * @arg: argument for @put callback */ struct vb2_vmarea_handler { atomic_t *refcount; void (*put)(void *arg); void *arg; }; extern const struct vm_operations_struct vb2_common_vm_ops; int vb2_get_contig_userptr(unsigned long vaddr, unsigned long size, struct vm_area_struct **res_vma, dma_addr_t *res_pa); struct vm_area_struct *vb2_get_vma(struct vm_area_struct *vma); void vb2_put_vma(struct vm_area_struct *vma); #endif