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 | 70 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)

diff --git a/app/test/test_dmadev.c b/app/test/test_dmadev.c
index 683e024a56..f895556d29 100644
--- a/app/test/test_dmadev.c
+++ b/app/test/test_dmadev.c
@@ -12,6 +12,67 @@
 /* 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
+       /* Setup of the dmadev device. 8< */
+       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;
+       }
+       /* >8 End of setup of the dmadev device. */
+       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_rawdev_start()\n");
+               return -1;
+       }
+
+       rte_dmadev_stop(dev_id);
+       return 0;
+}
+
 static int
 test_apis(void)
 {
@@ -34,10 +95,19 @@ 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

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