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