From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <dev-bounces@dpdk.org>
Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124])
	by inbox.dpdk.org (Postfix) with ESMTP id E3EE2A0C46;
	Fri, 17 Sep 2021 15:55:01 +0200 (CEST)
Received: from [217.70.189.124] (localhost [127.0.0.1])
	by mails.dpdk.org (Postfix) with ESMTP id A1D98410E9;
	Fri, 17 Sep 2021 15:54:46 +0200 (CEST)
Received: from mga07.intel.com (mga07.intel.com [134.134.136.100])
 by mails.dpdk.org (Postfix) with ESMTP id DD0F54111F
 for <dev@dpdk.org>; Fri, 17 Sep 2021 15:54:44 +0200 (CEST)
X-IronPort-AV: E=McAfee;i="6200,9189,10109"; a="286485167"
X-IronPort-AV: E=Sophos;i="5.85,301,1624345200"; d="scan'208";a="286485167"
Received: from fmsmga004.fm.intel.com ([10.253.24.48])
 by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;
 17 Sep 2021 06:54:44 -0700
X-ExtLoop1: 1
X-IronPort-AV: E=Sophos;i="5.85,301,1624345200"; d="scan'208";a="530730365"
Received: from silpixa00399126.ir.intel.com ([10.237.223.29])
 by fmsmga004.fm.intel.com with ESMTP; 17 Sep 2021 06:54:42 -0700
From: Bruce Richardson <bruce.richardson@intel.com>
To: dev@dpdk.org
Cc: conor.walsh@intel.com, kevin.laatz@intel.com, fengchengwen@huawei.com,
 jerinj@marvell.com, Bruce Richardson <bruce.richardson@intel.com>
Date: Fri, 17 Sep 2021 14:54:24 +0100
Message-Id: <20210917135429.90562-5-bruce.richardson@intel.com>
X-Mailer: git-send-email 2.30.2
In-Reply-To: <20210917135429.90562-1-bruce.richardson@intel.com>
References: <20210826183301.333442-1-bruce.richardson@intel.com>
 <20210917135429.90562-1-bruce.richardson@intel.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Subject: [dpdk-dev] [PATCH v5 4/9] app/test: add basic dmadev instance tests
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: DPDK patches and discussions <dev.dpdk.org>
List-Unsubscribe: <https://mails.dpdk.org/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://mails.dpdk.org/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <https://mails.dpdk.org/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
Errors-To: dev-bounces@dpdk.org
Sender: "dev" <dev-bounces@dpdk.org>

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>
Reviewed-by: Conor Walsh <conor.walsh@intel.com>
Reviewed-by: Kevin Laatz <kevin.laatz@intel.com>
---
 app/test/test_dmadev.c | 72 +++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 71 insertions(+), 1 deletion(-)

diff --git a/app/test/test_dmadev.c b/app/test/test_dmadev.c
index e765ec5f2c..28fbdc0b1f 100644
--- a/app/test/test_dmadev.c
+++ b/app/test/test_dmadev.c
@@ -3,6 +3,8 @@
  * Copyright(c) 2021 Intel Corporation
  */

+#include <inttypes.h>
+
 #include <rte_dmadev.h>
 #include <rte_bus_vdev.h>

@@ -11,6 +13,65 @@
 /* from test_dmadev_api.c */
 extern int test_dma_api(uint16_t dev_id);

+#define ERR_RETURN(...) do { print_err(__func__, __LINE__, __VA_ARGS__); return -1; } while (0)
+
+static void
+__rte_format_printf(3, 4)
+print_err(const char *func, int lineno, const char *format, ...)
+{
+	va_list ap;
+
+	fprintf(stderr, "In %s:%d - ", func, lineno);
+	va_start(ap, format);
+	vfprintf(stderr, format, ap);
+	va_end(ap);
+}
+
+static int
+test_dmadev_instance(uint16_t dev_id)
+{
+#define TEST_RINGSIZE 512
+	struct rte_dma_stats stats;
+	struct rte_dma_info info;
+	const struct rte_dma_conf conf = { .nb_vchans = 1};
+	const struct rte_dma_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_dma_info_get(dev_id, &info);
+	if (info.max_vchans < 1)
+		ERR_RETURN("Error, no channels available on device id %u\n", dev_id);
+
+	if (rte_dma_configure(dev_id, &conf) != 0)
+		ERR_RETURN("Error with rte_dma_configure()\n");
+
+	if (rte_dma_vchan_setup(dev_id, vchan, &qconf) < 0)
+		ERR_RETURN("Error with queue configuration\n");
+
+	rte_dma_info_get(dev_id, &info);
+	if (info.nb_vchans != 1)
+		ERR_RETURN("Error, no configured queues reported on device id %u\n", dev_id);
+
+	if (rte_dma_start(dev_id) != 0)
+		ERR_RETURN("Error with rte_dma_start()\n");
+
+	if (rte_dma_stats_get(dev_id, vchan, &stats) != 0)
+		ERR_RETURN("Error with rte_dma_stats_get()\n");
+
+	if (stats.completed != 0 || stats.submitted != 0 || stats.errors != 0)
+		ERR_RETURN("Error device stats are not all zero: completed = %"PRIu64", "
+				"submitted = %"PRIu64", errors = %"PRIu64"\n",
+				stats.completed, stats.submitted, stats.errors);
+
+	rte_dma_stop(dev_id);
+	rte_dma_stats_reset(dev_id, vchan);
+	return 0;
+}
+
 static int
 test_apis(void)
 {
@@ -33,9 +94,18 @@ test_apis(void)
 static int
 test_dma(void)
 {
+	int i;
+
 	/* basic sanity on dmadev infrastructure */
 	if (test_apis() < 0)
-		return -1;
+		ERR_RETURN("Error performing API tests\n");
+
+	if (rte_dma_count_avail() == 0)
+		return TEST_SKIPPED;
+
+	RTE_DMA_FOREACH_DEV(i)
+		if (test_dmadev_instance(i) < 0)
+			ERR_RETURN("Error, test failure for device %d\n", i);

 	return 0;
 }
--
2.30.2