[RFC,3/7] app/test: add basic dmadev instance tests
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Commit Message
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.richardson@intel.com>
---
app/test/test_dmadev.c | 70 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 70 insertions(+)
--
2.30.2
@@ -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;
}