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ddk: update

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git-svn-id: svn://kolibrios.org@6293 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge)
2016-02-26 19:23:56 +00:00
parent ac3100f5b1
commit 40e97d15fa
8 changed files with 257 additions and 58 deletions
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30
drivers/include/linux/dma-buf.h
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@@ -153,6 +153,36 @@ struct dma_buf_attachment {
void *priv;
};
/**
* struct dma_buf_export_info - holds information needed to export a dma_buf
* @exp_name: name of the exporter - useful for debugging.
* @owner: pointer to exporter module - used for refcounting kernel module
* @ops: Attach allocator-defined dma buf ops to the new buffer
* @size: Size of the buffer
* @flags: mode flags for the file
* @resv: reservation-object, NULL to allocate default one
* @priv: Attach private data of allocator to this buffer
*
* This structure holds the information required to export the buffer. Used
* with dma_buf_export() only.
*/
struct dma_buf_export_info {
const char *exp_name;
struct module *owner;
const struct dma_buf_ops *ops;
size_t size;
int flags;
struct reservation_object *resv;
void *priv;
};
/**
* helper macro for exporters; zeros and fills in most common values
*/
#define DEFINE_DMA_BUF_EXPORT_INFO(a) \
struct dma_buf_export_info a = { .exp_name = KBUILD_MODNAME, \
.owner = THIS_MODULE }
/**
* get_dma_buf - convenience wrapper for get_file.
* @dmabuf: [in] pointer to dma_buf