diff options
Diffstat (limited to 'include/linux/dma-buf.h')
| -rw-r--r-- | include/linux/dma-buf.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h index 1f78d1594cc7..a02b1ff6488e 100644 --- a/include/linux/dma-buf.h +++ b/include/linux/dma-buf.h @@ -98,6 +98,9 @@ struct dma_buf_ops { void (*kunmap)(struct dma_buf *, unsigned long, void *); int (*mmap)(struct dma_buf *, struct vm_area_struct *vma); + + void *(*vmap)(struct dma_buf *); + void (*vunmap)(struct dma_buf *, void *vaddr); }; /** @@ -176,6 +179,8 @@ void dma_buf_kunmap(struct dma_buf *, unsigned long, void *); int dma_buf_mmap(struct dma_buf *, struct vm_area_struct *, unsigned long); +void *dma_buf_vmap(struct dma_buf *); +void dma_buf_vunmap(struct dma_buf *, void *vaddr); #else static inline struct dma_buf_attachment *dma_buf_attach(struct dma_buf *dmabuf, @@ -264,6 +269,15 @@ static inline int dma_buf_mmap(struct dma_buf *dmabuf, { return -ENODEV; } + +static inline void *dma_buf_vmap(struct dma_buf *dmabuf) +{ + return NULL; +} + +static inline void dma_buf_vunmap(struct dma_buf *dmabuf, void *vaddr) +{ +} #endif /* CONFIG_DMA_SHARED_BUFFER */ #endif /* __DMA_BUF_H__ */ |