Run basic sanity tests for configuring, starting and stopping a dmadev
instance to help validate drivers. This also provides the framework for
future tests for data-path operation.
Signed-off-by: Bruce Richardson <bruce.richard...@intel.com>
---
app/test/test_dmadev.c | 81 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 81 insertions(+)
diff --git a/app/test/test_dmadev.c b/app/test/test_dmadev.c
index bb01e86483..12f7c69629 100644
--- a/app/test/test_dmadev.c
+++ b/app/test/test_dmadev.c
@@ -2,6 +2,7 @@
* Copyright(c) 2021 HiSilicon Limited.
* Copyright(c) 2021 Intel Corporation.
*/
+#include <inttypes.h>
#include <rte_common.h>
#include <rte_dev.h>
@@ -13,6 +14,77 @@
/* from test_dmadev_api.c */
extern int test_dmadev_api(uint16_t dev_id);
+#define PRINT_ERR(...) print_err(__func__, __LINE__, __VA_ARGS__)
+
+static inline int
+__rte_format_printf(3, 4)
+print_err(const char *func, int lineno, const char *format, ...)
+{
+ va_list ap;
+ int ret;
+
+ ret = fprintf(stderr, "In %s:%d - ", func, lineno);
+ va_start(ap, format);
+ ret += vfprintf(stderr, format, ap);
+ va_end(ap);
+
+ return ret;
+}
+
+static int
+test_dmadev_instance(uint16_t dev_id)
+{
+#define TEST_RINGSIZE 512
+ struct rte_dmadev_stats stats;
+ struct rte_dmadev_info info;
+ const struct rte_dmadev_conf conf = { .nb_vchans = 1};
+ const struct rte_dmadev_vchan_conf qconf = {
+ .direction = RTE_DMA_DIR_MEM_TO_MEM,
+ .nb_desc = TEST_RINGSIZE,
+ };
+ const int vchan = 0;
+
+ printf("\n### Test dmadev instance %u\n", dev_id);
+
+ rte_dmadev_info_get(dev_id, &info);
+ if (info.max_vchans < 1) {
+ PRINT_ERR("Error, no channels available on device id %u\n",
dev_id);
+ return -1;
+ }
+ if (rte_dmadev_configure(dev_id, &conf) != 0) {
+ PRINT_ERR("Error with rte_dmadev_configure()\n");
+ return -1;
+ }
+ if (rte_dmadev_vchan_setup(dev_id, vchan, &qconf) < 0) {
+ PRINT_ERR("Error with queue configuration\n");
+ return -1;
+ }
+
+ rte_dmadev_info_get(dev_id, &info);
+ if (info.nb_vchans != 1) {
+ PRINT_ERR("Error, no configured queues reported on device id
%u\n", dev_id);
+ return -1;
+ }
+
+ if (rte_dmadev_start(dev_id) != 0) {
+ PRINT_ERR("Error with rte_dmadev_start()\n");
+ return -1;
+ }
+ if (rte_dmadev_stats_get(dev_id, vchan, &stats) != 0) {
+ PRINT_ERR("Error with rte_dmadev_stats_get()\n");
+ return -1;
+ }
+ if (stats.completed != 0 || stats.submitted != 0 || stats.errors != 0) {
+ PRINT_ERR("Error device stats are not all zero: completed =
%"PRIu64", submitted = %"PRIu64", errors = %"PRIu64"\n",
+ stats.completed, stats.submitted, stats.errors);
+ return -1;
+ }
+
+ rte_dmadev_stop(dev_id);
+ rte_dmadev_stats_reset(dev_id, vchan);
+ return 0;
+}
+
static int
test_apis(void)
{
@@ -35,10 +107,19 @@ test_apis(void)
static int
test_dmadev(void)
{
+ int i;
+
/* basic sanity on dmadev infrastructure */
if (test_apis() < 0)
return -1;
+ if (rte_dmadev_count() == 0)
+ return TEST_SKIPPED;
+
+ for (i = 0; i < RTE_DMADEV_MAX_DEVS; i++)
+ if (rte_dmadevices[i].state == RTE_DMADEV_ATTACHED &&
test_dmadev_instance(i) < 0)
+ return -1;
+
return 0;
}
--
2.30.2
