diff options
| author | Sumit Semwal <sumit.semwal@linaro.org> | 2013-04-04 11:44:37 +0530 |
|---|---|---|
| committer | Sumit Semwal <sumit.semwal@linaro.org> | 2013-05-01 16:36:22 +0530 |
| commit | b89e35636bc75b72d15a1af6d49798802aff77d5 (patch) | |
| tree | 68b8531d44591f4448d09145407e490c2b5d2faf /include/linux/dma-buf.h | |
| parent | 78df969550e7187f4dcd70b737217dcbc8e9a06a (diff) | |
| download | lwn-b89e35636bc75b72d15a1af6d49798802aff77d5.tar.gz lwn-b89e35636bc75b72d15a1af6d49798802aff77d5.zip | |
dma-buf: Add debugfs support
Add debugfs support to make it easier to print debug information
about the dma-buf buffers.
Cc: Dave Airlie <airlied@redhat.com>
[minor fixes on init and warning fix]
Cc: Dan Carpenter <dan.carpenter@oracle.com>
[remove double unlock in fail case]
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Diffstat (limited to 'include/linux/dma-buf.h')
| -rw-r--r-- | include/linux/dma-buf.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h index 6f55c0424f12..dfac5ed31120 100644 --- a/include/linux/dma-buf.h +++ b/include/linux/dma-buf.h @@ -113,6 +113,7 @@ struct dma_buf_ops { * @attachments: list of dma_buf_attachment that denotes all devices attached. * @ops: dma_buf_ops associated with this buffer object. * @exp_name: name of the exporter; useful for debugging. + * @list_node: node for dma_buf accounting and debugging. * @priv: exporter specific private data for this buffer object. */ struct dma_buf { @@ -125,6 +126,7 @@ struct dma_buf { unsigned vmapping_counter; void *vmap_ptr; const char *exp_name; + struct list_head list_node; void *priv; }; @@ -192,5 +194,6 @@ 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); - +int dma_buf_debugfs_create_file(const char *name, + int (*write)(struct seq_file *)); #endif /* __DMA_BUF_H__ */ |