X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Fdmadev%2Frte_dmadev_core.h;h=064785686f7fee2a07b210dff50645eff375b184;hb=6e858b4d9244cf53505589673755ab18ac2a4a83;hp=236d9d38e5fbe3f10750f63757f611513fc92529;hpb=2ece65f00f71c383c12c567502840ac1584757d5;p=dpdk.git

diff --git a/lib/dmadev/rte_dmadev_core.h b/lib/dmadev/rte_dmadev_core.h
index 236d9d38e5..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.
@@ -56,7 +59,7 @@ 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
@@ -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;