[v2,2/3] test/dma: test vchan reconfiguration
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Commit Message
Reconfigure vchan count and validate if new count is effective.
Signed-off-by: Gowrishankar Muthukrishnan <gmuthukrishn@marvell.com>
---
app/test/test_dmadev_api.c | 51 ++++++++++++++++++++++++++++++++++++++
1 file changed, 51 insertions(+)
@@ -355,6 +355,56 @@ test_dma_start_stop(void)
return TEST_SUCCESS;
}
+static int
+test_dma_reconfigure(void)
+{
+ struct rte_dma_vchan_conf vchan_conf = { 0 };
+ struct rte_dma_conf dev_conf = { 0 };
+ struct rte_dma_info dev_info = { 0 };
+ uint16_t cfg_vchans;
+ int ret;
+
+ ret = rte_dma_info_get(test_dev_id, &dev_info);
+ RTE_TEST_ASSERT_SUCCESS(ret, "Failed to obtain device info, %d", ret);
+
+ /* At least two vchans required for the test */
+ if (dev_info.max_vchans < 2)
+ return TEST_SKIPPED;
+
+ /* Setup one vchan for later test */
+ ret = setup_one_vchan();
+ RTE_TEST_ASSERT_SUCCESS(ret, "Failed to setup one vchan, %d", ret);
+
+ ret = rte_dma_start(test_dev_id);
+ RTE_TEST_ASSERT_SUCCESS(ret, "Failed to start, %d", ret);
+
+ ret = rte_dma_stop(test_dev_id);
+ RTE_TEST_ASSERT_SUCCESS(ret, "Failed to stop, %d", ret);
+
+ /* Check reconfigure and vchan setup after device stopped */
+ cfg_vchans = dev_conf.nb_vchans = (dev_info.max_vchans - 1);
+
+ ret = rte_dma_configure(test_dev_id, &dev_conf);
+ RTE_TEST_ASSERT_SUCCESS(ret, "Failed to configure, %d", ret);
+
+ vchan_conf.direction = RTE_DMA_DIR_MEM_TO_MEM;
+ vchan_conf.nb_desc = dev_info.min_desc;
+ ret = rte_dma_vchan_setup(test_dev_id, 0, &vchan_conf);
+ RTE_TEST_ASSERT_SUCCESS(ret, "Failed to setup vchan, %d", ret);
+
+ ret = rte_dma_start(test_dev_id);
+ RTE_TEST_ASSERT_SUCCESS(ret, "Failed to start, %d", ret);
+
+ ret = rte_dma_info_get(test_dev_id, &dev_info);
+ RTE_TEST_ASSERT_SUCCESS(ret, "Failed to obtain device info, %d", ret);
+ RTE_TEST_ASSERT_EQUAL(dev_info.nb_vchans, cfg_vchans, "incorrect reconfiguration");
+
+ ret = rte_dma_stop(test_dev_id);
+ RTE_TEST_ASSERT_SUCCESS(ret, "Failed to stop, %d", ret);
+
+ return TEST_SUCCESS;
+}
+
static int
test_dma_stats(void)
{
@@ -567,6 +617,7 @@ test_dma_api(uint16_t dev_id)
DMA_TEST_API_RUN(test_dma_configure);
DMA_TEST_API_RUN(test_dma_vchan_setup);
DMA_TEST_API_RUN(test_dma_start_stop);
+ DMA_TEST_API_RUN(test_dma_reconfigure);
DMA_TEST_API_RUN(test_dma_stats);
DMA_TEST_API_RUN(test_dma_dump);
DMA_TEST_API_RUN(test_dma_completed);