X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;ds=sidebyside;f=lib%2Fdmadev%2Frte_dmadev_core.h;h=064785686f7fee2a07b210dff50645eff375b184;hb=ec487c189686ee9b3b7551d3aca138cec3f91e74;hp=a6946052dbf217db3ea3c7231b33a5bef1b2ee85;hpb=91e581e5c924de7ce7c8b526787d1916a7daf980;p=dpdk.git

diff --git a/lib/dmadev/rte_dmadev_core.h b/lib/dmadev/rte_dmadev_core.h
index a6946052db..064785686f 100644
--- a/lib/dmadev/rte_dmadev_core.h
+++ b/lib/dmadev/rte_dmadev_core.h
@@ -47,6 +47,9 @@ typedef uint16_t (*rte_dma_completed_status_t)(void *dev_private,
 			uint16_t vchan, const uint16_t nb_cpls,
 			uint16_t *last_idx, enum rte_dma_status_code *status);
 
+/** @internal Used to check the remaining space in descriptor ring. */
+typedef uint16_t (*rte_dma_burst_capacity_t)(const void *dev_private, uint16_t vchan);
+
 /**
  * @internal
  * Fast-path dmadev functions and related data are hold in a flat array.
@@ -56,11 +59,11 @@ typedef uint16_t (*rte_dma_completed_status_t)(void *dev_private,
  * functions.
  *
  * The 'dev_private' field was placed in the first cache line to optimize
- * performance because the PMD driver mainly depends on this field.
+ * performance because the PMD mainly depends on this field.
  */
 struct rte_dma_fp_object {
 	/** PMD-specific private data. The driver should copy
-	 * rte_dma_dev.dev_private to this field during initialization.
+	 * rte_dma_dev.data->dev_private to this field during initialization.
 	 */
 	void *dev_private;
 	rte_dma_copy_t             copy;
@@ -69,6 +72,7 @@ struct rte_dma_fp_object {
 	rte_dma_submit_t           submit;
 	rte_dma_completed_t        completed;
 	rte_dma_completed_status_t completed_status;
+	rte_dma_burst_capacity_t   burst_capacity;
 } __rte_aligned(128);
 
 extern struct rte_dma_fp_object *rte_dma_fp_objs;