[PATCH v1 1/2] dmadev: add DMA operation structure

[Amit Prakash Shukla]

For the event based DMA transfer, all the required parameters are to
be sent as part of a structure. This patch adds a structure
containing the parameters for event based DMA operation.

Signed-off-by: Amit Prakash Shukla <amitprakashs at marvell.com>
---
 lib/dmadev/rte_dmadev.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/lib/dmadev/rte_dmadev.h b/lib/dmadev/rte_dmadev.h
index b157ab7600..bf8db2d28d 100644
--- a/lib/dmadev/rte_dmadev.h
+++ b/lib/dmadev/rte_dmadev.h
@@ -794,6 +794,18 @@ struct rte_dma_sge {
 	uint32_t length; /**< The DMA operation length. */
 };
 
+/**
+ * A structure used to hold event based DMA operation request entry.
+ */
+struct rte_dma_op {
+	struct rte_dma_sge *src_seg;      /**< Source segments. */
+	struct rte_dma_sge *dst_seg;      /**< Destination segments. */
+	uint16_t nb_src;                  /**< Number of source segments. */
+	uint16_t nb_dst;                  /**< Number of destination segments. */
+	uint64_t flags;                   /**< Flags related to the operation. */
+	struct rte_mempool *op_mp;        /**< Mempool from which op is allocated. */
+};
+
 #include "rte_dmadev_core.h"
 
 /**@{@name DMA operation flag
-- 
2.25.1