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-rw-r--r--drivers/dma/ioatdma.h13
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/dma/ioatdma.h b/drivers/dma/ioatdma.h
index 62b26a9be4c..d3f69bb15fa 100644
--- a/drivers/dma/ioatdma.h
+++ b/drivers/dma/ioatdma.h
@@ -105,21 +105,20 @@ struct ioat_dma_chan {
/**
* struct ioat_desc_sw - wrapper around hardware descriptor
* @hw: hardware DMA descriptor
- * @node:
- * @cookie:
- * @phys:
+ * @node: this descriptor will either be on the free list,
+ * or attached to a transaction list (async_tx.tx_list)
+ * @tx_cnt: number of descriptors required to complete the transaction
+ * @async_tx: the generic software descriptor for all engines
*/
-
struct ioat_desc_sw {
struct ioat_dma_descriptor *hw;
struct list_head node;
- dma_cookie_t cookie;
- dma_addr_t phys;
+ int tx_cnt;
DECLARE_PCI_UNMAP_ADDR(src)
DECLARE_PCI_UNMAP_LEN(src_len)
DECLARE_PCI_UNMAP_ADDR(dst)
DECLARE_PCI_UNMAP_LEN(dst_len)
+ struct dma_async_tx_descriptor async_tx;
};
#endif /* IOATDMA_H */
-