forked from KolibriOS/kolibrios
ddk: v4.6.7
git-svn-id: svn://kolibrios.org@7143 a494cfbc-eb01-0410-851d-a64ba20cac60
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@@ -54,7 +54,7 @@ struct dma_buf_attachment;
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* @release: release this buffer; to be called after the last dma_buf_put.
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* @begin_cpu_access: [optional] called before cpu access to invalidate cpu
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* caches and allocate backing storage (if not yet done)
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* respectively pin the objet into memory.
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* respectively pin the object into memory.
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* @end_cpu_access: [optional] called after cpu access to flush caches.
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* @kmap_atomic: maps a page from the buffer into kernel address
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* space, users may not block until the subsequent unmap call.
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@@ -93,10 +93,8 @@ struct dma_buf_ops {
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/* after final dma_buf_put() */
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void (*release)(struct dma_buf *);
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int (*begin_cpu_access)(struct dma_buf *, size_t, size_t,
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enum dma_data_direction);
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void (*end_cpu_access)(struct dma_buf *, size_t, size_t,
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enum dma_data_direction);
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int (*begin_cpu_access)(struct dma_buf *, enum dma_data_direction);
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int (*end_cpu_access)(struct dma_buf *, enum dma_data_direction);
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void *(*kmap_atomic)(struct dma_buf *, unsigned long);
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void (*kunmap_atomic)(struct dma_buf *, unsigned long, void *);
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void *(*kmap)(struct dma_buf *, unsigned long);
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@@ -192,10 +190,6 @@ struct dma_buf_export_info {
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* kernel side. For example, an exporter that needs to keep a dmabuf ptr
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* so that subsequent exports don't create a new dmabuf.
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*/
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static inline void get_dma_buf(struct dma_buf *dmabuf)
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{
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get_file(dmabuf->file);
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}
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struct dma_buf_attachment *dma_buf_attach(struct dma_buf *dmabuf,
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struct device *dev);
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@@ -212,10 +206,10 @@ struct sg_table *dma_buf_map_attachment(struct dma_buf_attachment *,
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enum dma_data_direction);
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void dma_buf_unmap_attachment(struct dma_buf_attachment *, struct sg_table *,
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enum dma_data_direction);
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int dma_buf_begin_cpu_access(struct dma_buf *dma_buf, size_t start, size_t len,
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int dma_buf_begin_cpu_access(struct dma_buf *dma_buf,
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enum dma_data_direction dir);
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void dma_buf_end_cpu_access(struct dma_buf *dma_buf, size_t start, size_t len,
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enum dma_data_direction dir);
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int dma_buf_end_cpu_access(struct dma_buf *dma_buf,
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enum dma_data_direction dir);
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void *dma_buf_kmap_atomic(struct dma_buf *, unsigned long);
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void dma_buf_kunmap_atomic(struct dma_buf *, unsigned long, void *);
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void *dma_buf_kmap(struct dma_buf *, unsigned long);
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