@@ -624,7 +624,51 @@ test_completion_handling(int dev_id, uint16_t vchan)
{
return test_completion_status(dev_id, vchan, false) /* without fences */
|| test_completion_status(dev_id, vchan, true); /* with fences */
+}
+
+static int
+test_enqueue_fill(int dev_id, uint16_t vchan)
+{
+ const unsigned int lengths[] = {8, 64, 1024, 50, 100, 89};
+ struct rte_mbuf *dst;
+ char *dst_data;
+ uint64_t pattern = 0xfedcba9876543210;
+ unsigned int i, j;
+
+ dst = rte_pktmbuf_alloc(pool);
+ if (dst == NULL)
+ ERR_RETURN("Failed to allocate mbuf\n");
+ dst_data = rte_pktmbuf_mtod(dst, char *);
+
+ for (i = 0; i < RTE_DIM(lengths); i++) {
+ /* reset dst_data */
+ memset(dst_data, 0, rte_pktmbuf_data_len(dst));
+
+ /* perform the fill operation */
+ int id = rte_dma_fill(dev_id, vchan, pattern,
+ rte_pktmbuf_iova(dst), lengths[i], RTE_DMA_OP_FLAG_SUBMIT);
+ if (id < 0)
+ ERR_RETURN("Error with rte_dma_fill\n");
+ await_hw(dev_id, vchan);
+
+ if (rte_dma_completed(dev_id, vchan, 1, NULL, NULL) != 1)
+ ERR_RETURN("Error: fill operation failed (length: %u)\n", lengths[i]);
+ /* check the data from the fill operation is correct */
+ for (j = 0; j < lengths[i]; j++) {
+ char pat_byte = ((char *)&pattern)[j % 8];
+ if (dst_data[j] != pat_byte)
+ ERR_RETURN("Error with fill operation (lengths = %u): got (%x), not (%x)\n",
+ lengths[i], dst_data[j], pat_byte);
+ }
+ /* check that the data after the fill operation was not written to */
+ for (; j < rte_pktmbuf_data_len(dst); j++)
+ if (dst_data[j] != 0)
+ ERR_RETURN("Error, fill operation wrote too far (lengths = %u): got (%x), not (%x)\n",
+ lengths[i], dst_data[j], 0);
+ }
+ rte_pktmbuf_free(dst);
+ return 0;
}
static int
@@ -692,6 +736,11 @@ test_dmadev_instance(uint16_t dev_id)
dev_id, vchan, !CHECK_ERRS) < 0)
goto err;
+ if ((info.dev_capa & RTE_DMA_CAPA_OPS_FILL) == 0)
+ printf("DMA Dev %u: No device fill support, skipping fill tests\n", dev_id);
+ else if (runtest("fill", test_enqueue_fill, 1, dev_id, vchan, CHECK_ERRS) < 0)
+ goto err;
+
rte_mempool_free(pool);
rte_dma_stop(dev_id);
rte_dma_stats_reset(dev_id, vchan);