[dpdk-dev] [v5, 2/2] mempool/cnxk: add telemetry end points

[Gowrishankar Muthukrishnan <gmuthukrishn@marvell.com>]

Adding telemetry end points to cnxk mempool driver.

Signed-off-by: Gowrishankar Muthukrishnan <gmuthukrishn@marvell.com>
---
 drivers/mempool/cnxk/cnxk_mempool_telemetry.c | 100 ++++++++++++++++++
 drivers/mempool/cnxk/meson.build              |   3 +-
 2 files changed, 102 insertions(+), 1 deletion(-)
 create mode 100644 drivers/mempool/cnxk/cnxk_mempool_telemetry.c

diff --git a/drivers/mempool/cnxk/cnxk_mempool_telemetry.c b/drivers/mempool/cnxk/cnxk_mempool_telemetry.c
new file mode 100644
index 0000000000..690f557f62
--- /dev/null
+++ b/drivers/mempool/cnxk/cnxk_mempool_telemetry.c
@@ -0,0 +1,100 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2021 Marvell.
+ */
+
+#include <rte_mempool.h>
+#include <rte_memzone.h>
+#include <rte_telemetry.h>
+
+#include <roc_api.h>
+
+#include "cnxk_mempool.h"
+#include "cnxk_telemetry.h"
+
+static void
+mempool_list_cb(struct rte_mempool *mp, void *arg)
+{
+	struct rte_tel_data *d = (struct rte_tel_data *)arg;
+
+	rte_tel_data_add_array_string(d, mp->name);
+}
+
+static int
+mempool_tel_handle_list(const char *cmd __rte_unused,
+			const char *params __rte_unused, struct rte_tel_data *d)
+{
+	rte_tel_data_start_array(d, RTE_TEL_STRING_VAL);
+	rte_mempool_walk(mempool_list_cb, d);
+	return 0;
+}
+
+struct mempool_info_cb_arg {
+	char *pool_name;
+	struct rte_tel_data *d;
+};
+
+static void
+mempool_info_cb(struct rte_mempool *mp, void *arg)
+{
+	struct mempool_info_cb_arg *info = (struct mempool_info_cb_arg *)arg;
+	const struct rte_memzone *mz;
+	int aura_id;
+
+	if (strncmp(mp->name, info->pool_name, RTE_MEMZONE_NAMESIZE))
+		return;
+
+	CNXK_TEL_DICT_STR(info->d, mp, name);
+	CNXK_TEL_DICT_INT(info->d, mp, pool_id);
+	CNXK_TEL_DICT_INT(info->d, mp, flags);
+	CNXK_TEL_DICT_INT(info->d, mp, socket_id);
+	CNXK_TEL_DICT_INT(info->d, mp, size);
+	CNXK_TEL_DICT_INT(info->d, mp, cache_size);
+	CNXK_TEL_DICT_INT(info->d, mp, elt_size);
+	CNXK_TEL_DICT_INT(info->d, mp, header_size);
+	CNXK_TEL_DICT_INT(info->d, mp, trailer_size);
+	CNXK_TEL_DICT_INT(info->d, mp, private_data_size);
+	CNXK_TEL_DICT_INT(info->d, mp, ops_index);
+	CNXK_TEL_DICT_INT(info->d, mp, populated_size);
+
+	aura_id = roc_npa_aura_handle_to_aura(mp->pool_id);
+	rte_tel_data_add_dict_int(info->d, "aura_id", aura_id);
+
+	mz = mp->mz;
+	CNXK_TEL_DICT_STR(info->d, mz, name, mz_);
+	CNXK_TEL_DICT_PTR(info->d, mz, iova, mz_);
+	CNXK_TEL_DICT_PTR(info->d, mz, addr, mz_);
+	CNXK_TEL_DICT_INT(info->d, mz, len, mz_);
+	CNXK_TEL_DICT_U64(info->d, mz, hugepage_sz, mz_);
+	CNXK_TEL_DICT_INT(info->d, mz, socket_id, mz_);
+	CNXK_TEL_DICT_INT(info->d, mz, flags, mz_);
+}
+
+static int
+mempool_tel_handle_info(const char *cmd __rte_unused, const char *params,
+			struct rte_tel_data *d)
+{
+	struct mempool_info_cb_arg mp_arg;
+	char name[RTE_MEMZONE_NAMESIZE];
+
+	if (params == NULL || strlen(params) == 0)
+		return -1;
+
+	rte_strlcpy(name, params, RTE_MEMZONE_NAMESIZE);
+
+	rte_tel_data_start_dict(d);
+	mp_arg.pool_name = name;
+	mp_arg.d = d;
+	rte_mempool_walk(mempool_info_cb, &mp_arg);
+
+	return 0;
+}
+
+RTE_INIT(cnxk_mempool_init_telemetry)
+{
+	rte_telemetry_register_cmd(
+		"/cnxk/mempool/list", mempool_tel_handle_list,
+		"Returns list of available mempools. Takes no parameters");
+	rte_telemetry_register_cmd(
+		"/cnxk/mempool/info", mempool_tel_handle_info,
+		"Returns mempool info. Parameters: pool_name");
+}
diff --git a/drivers/mempool/cnxk/meson.build b/drivers/mempool/cnxk/meson.build
index e28a9e044d..7834a19118 100644
--- a/drivers/mempool/cnxk/meson.build
+++ b/drivers/mempool/cnxk/meson.build
@@ -11,8 +11,9 @@ endif
 sources = files(
         'cnxk_mempool.c',
         'cnxk_mempool_ops.c',
+        'cnxk_mempool_telemetry.c',
         'cn9k_mempool_ops.c',
         'cn10k_mempool_ops.c',
 )
 
-deps += ['eal', 'mbuf', 'kvargs', 'bus_pci', 'common_cnxk', 'mempool']
+deps += ['eal', 'mbuf', 'kvargs', 'bus_pci', 'common_cnxk', 'mempool', 'telemetry']
-- 
2.25.1