[media] videobuf2: Add support for file access mode flags for DMABUF exporting

[karo-tx-linux.git] / include / media / videobuf2-core.h

diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
index 6781258d0b677f4a7092b4d29d0c1c7094e8a8a0..941055e9d125af3bfe5a6915ff551e0bb1532445 100644 (file)
--- a/include/media/videobuf2-core.h
+++ b/include/media/videobuf2-core.h
@@ -83,7 +83,7 @@ struct vb2_fileio_data;
 struct vb2_mem_ops {
        void            *(*alloc)(void *alloc_ctx, unsigned long size, gfp_t gfp_flags);
        void            (*put)(void *buf_priv);
-       struct dma_buf *(*get_dmabuf)(void *buf_priv);
+       struct dma_buf *(*get_dmabuf)(void *buf_priv, unsigned long flags);
 
        void            *(*get_userptr)(void *alloc_ctx, unsigned long vaddr,
                                        unsigned long size, int write);
@@ -391,7 +391,7 @@ unsigned long vb2_get_unmapped_area(struct vb2_queue *q,
 unsigned int vb2_poll(struct vb2_queue *q, struct file *file, poll_table *wait);
 size_t vb2_read(struct vb2_queue *q, char __user *data, size_t count,
                loff_t *ppos, int nonblock);
-size_t vb2_write(struct vb2_queue *q, char __user *data, size_t count,
+size_t vb2_write(struct vb2_queue *q, const char __user *data, size_t count,
                loff_t *ppos, int nonblock);
 
 /**
@@ -491,7 +491,7 @@ int vb2_ioctl_expbuf(struct file *file, void *priv,
 
 int vb2_fop_mmap(struct file *file, struct vm_area_struct *vma);
 int vb2_fop_release(struct file *file);
-ssize_t vb2_fop_write(struct file *file, char __user *buf,
+ssize_t vb2_fop_write(struct file *file, const char __user *buf,
                size_t count, loff_t *ppos);
 ssize_t vb2_fop_read(struct file *file, char __user *buf,
                size_t count, loff_t *ppos);