diff options
Diffstat (limited to 'include/media/videobuf2-memops.h')
| -rw-r--r-- | include/media/videobuf2-memops.h | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/include/media/videobuf2-memops.h b/include/media/videobuf2-memops.h index f05444ca8c0c..4b5b84f93538 100644 --- a/include/media/videobuf2-memops.h +++ b/include/media/videobuf2-memops.h @@ -14,27 +14,28 @@ #ifndef _MEDIA_VIDEOBUF2_MEMOPS_H #define _MEDIA_VIDEOBUF2_MEMOPS_H -#include <media/videobuf2-core.h> +#include <media/videobuf2-v4l2.h> +#include <linux/mm.h> +#include <linux/refcount.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 - common vma refcount tracking handler. + * + * @refcount: pointer to &refcount_t entry in the buffer. + * @put: callback to function that decreases buffer refcount. + * @arg: argument for @put callback. */ struct vb2_vmarea_handler { - atomic_t *refcount; + refcount_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); - +struct frame_vector *vb2_create_framevec(unsigned long start, + unsigned long length, + bool write); +void vb2_destroy_framevec(struct frame_vector *vec); #endif |