DPDK patches and discussions
 help / color / mirror / Atom feed
* [PATCH] ethdev: add dump regs for telemetry
@ 2023-12-14  1:56 Jie Hai
  2023-12-14 12:49 ` Ferruh Yigit
                   ` (10 more replies)
  0 siblings, 11 replies; 134+ messages in thread
From: Jie Hai @ 2023-12-14  1:56 UTC (permalink / raw)
  To: dev, Thomas Monjalon, Ferruh Yigit, Andrew Rybchenko
  Cc: lihuisong, fengchengwen, liudongdong3, haijie1

The ethdev library now registers a telemetry command for
dump regs.

An example usage is shown below:
--> /ethdev/regs,test
{
  "/ethdev/regs": {
    "regs_offset": 0,
    "regs_length": 3192,
    "regs_width": 4,
    "device_version": "0x1080f00",
    "regs_file": "port_0_regs_test"
  }
}

Signed-off-by: Jie Hai <haijie1@huawei.com>
---
 lib/ethdev/rte_ethdev_telemetry.c | 93 +++++++++++++++++++++++++++++++
 1 file changed, 93 insertions(+)

diff --git a/lib/ethdev/rte_ethdev_telemetry.c b/lib/ethdev/rte_ethdev_telemetry.c
index b01028ce9b60..33ec4739aa9b 100644
--- a/lib/ethdev/rte_ethdev_telemetry.c
+++ b/lib/ethdev/rte_ethdev_telemetry.c
@@ -5,6 +5,7 @@
 #include <ctype.h>
 #include <stdlib.h>
 
+#include <rte_malloc.h>
 #include <rte_kvargs.h>
 #include <rte_telemetry.h>
 
@@ -1395,6 +1396,96 @@ eth_dev_handle_port_tm_node_caps(const char *cmd __rte_unused,
 	return ret;
 }
 
+static int
+eth_dev_get_port_regs(uint16_t port_id, struct rte_dev_reg_info *reg_info,
+		      const char *file_name)
+{
+	uint64_t buf_size;
+	size_t nr_written;
+	void *data;
+	FILE *fp;
+	int ret;
+
+	ret = rte_eth_dev_get_reg_info(port_id, reg_info);
+	if (ret != 0) {
+		RTE_ETHDEV_LOG(ERR,
+			"Error getting device reg info: %d\n", ret);
+		return ret;
+	}
+
+	buf_size = reg_info->length * reg_info->width;
+	data = rte_zmalloc(NULL, buf_size, 0);
+	if (!data) {
+		RTE_ETHDEV_LOG(ERR,
+			"Error allocating %zu bytes buffer\n", buf_size);
+		return -ENOMEM;
+	}
+
+	reg_info->data = data;
+	ret = rte_eth_dev_get_reg_info(port_id, reg_info);
+	if (ret != 0) {
+		RTE_ETHDEV_LOG(ERR,
+			"Error getting regs from device: %d\n", ret);
+		goto out;
+	}
+
+	fp = fopen(file_name, "wb");
+	if (fp == NULL) {
+		printf("Error during opening '%s' for writing: %s\n",
+			file_name, strerror(errno));
+		ret = -EINVAL;
+	} else {
+		nr_written = fwrite(reg_info->data, 1, buf_size, fp);
+		if (nr_written != buf_size)
+			printf("Error during writing %s: %s\n",
+				file_name, strerror(errno));
+		fclose(fp);
+	}
+
+out:
+	rte_free(data);
+	reg_info->data = NULL;
+	return ret;
+}
+
+static int
+eth_dev_handle_port_regs(const char *cmd __rte_unused,
+		const char *params,
+		struct rte_tel_data *d)
+{
+	struct rte_dev_reg_info reg_info = {0};
+	char file_name[RTE_TEL_MAX_STRING_LEN];
+	const char *suffix;
+	uint16_t port_id;
+	char *end_param;
+	int ret;
+
+	ret = eth_dev_parse_port_params(params, &port_id, &end_param, true);
+	if (ret != 0)
+		return ret;
+
+	suffix = strtok_r(end_param, ",", &end_param);
+	if (!suffix || strlen(suffix) == 0) {
+		RTE_ETHDEV_LOG(ERR,
+			"Please pass suffix parameters ethdev telemetry command\n");
+		return -EINVAL;
+	}
+	snprintf(file_name, RTE_TEL_MAX_STRING_LEN, "port_%u_regs_%s",
+		 port_id, suffix);
+	ret = eth_dev_get_port_regs(port_id, &reg_info, file_name);
+	if (ret != 0)
+		return ret;
+
+	rte_tel_data_start_dict(d);
+	rte_tel_data_add_dict_uint(d, "regs_offset", reg_info.offset);
+	rte_tel_data_add_dict_uint(d, "regs_length", reg_info.length);
+	rte_tel_data_add_dict_uint(d, "regs_width", reg_info.width);
+	rte_tel_data_add_dict_uint_hex(d, "device_version", reg_info.version, 0);
+	rte_tel_data_add_dict_string(d, "regs_file", file_name);
+
+	return 0;
+}
+
 RTE_INIT(ethdev_init_telemetry)
 {
 	rte_telemetry_register_cmd("/ethdev/list", eth_dev_handle_port_list,
@@ -1436,4 +1527,6 @@ RTE_INIT(ethdev_init_telemetry)
 			"Returns TM Level Capabilities info for a port. Parameters: int port_id, int level_id (see tm_capability for the max)");
 	rte_telemetry_register_cmd("/ethdev/tm_node_capability", eth_dev_handle_port_tm_node_caps,
 			"Returns TM Node Capabilities info for a port. Parameters: int port_id, int node_id (see tm_capability for the max)");
+	rte_telemetry_register_cmd("/ethdev/regs", eth_dev_handle_port_regs,
+			"Returns regs for a port. Parameters: int port_id, char *suffix");
 }
-- 
2.30.0


^ permalink raw reply	[flat|nested] 134+ messages in thread

end of thread, other threads:[~2024-10-07  3:01 UTC | newest]

Thread overview: 134+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-12-14  1:56 [PATCH] ethdev: add dump regs for telemetry Jie Hai
2023-12-14 12:49 ` Ferruh Yigit
2024-01-09  2:19   ` Jie Hai
2024-01-09  2:41     ` Jie Hai
2024-01-09 18:06     ` Ferruh Yigit
2024-01-10  1:38       ` fengchengwen
2024-01-10 12:15         ` Ferruh Yigit
2024-01-10 14:09           ` Thomas Monjalon
2024-01-10 15:48             ` Ferruh Yigit
2024-01-11  1:55           ` fengchengwen
2024-01-11 11:11             ` Ferruh Yigit
2024-01-11 12:43               ` fengchengwen
2024-02-05 10:51 ` [PATCH v2 0/7] support dump reigser names and filter them Jie Hai
2024-02-05 10:51   ` [PATCH v2 1/7] ethdev: support report register names and filter Jie Hai
2024-02-07 17:00     ` Ferruh Yigit
2024-02-20  8:43       ` Jie Hai
2024-02-05 10:51   ` [PATCH v2 2/7] ethdev: add telemetry cmd for registers Jie Hai
2024-02-07 17:03     ` Ferruh Yigit
2024-02-22  9:01       ` Jie Hai
2024-02-05 10:51   ` [PATCH v2 3/7] net/hns3: fix dump counter of registers Jie Hai
2024-02-05 10:51   ` [PATCH v2 4/7] net/hns3: remove dump format " Jie Hai
2024-02-05 10:51   ` [PATCH v2 5/7] net/hns3: add names for registers Jie Hai
2024-02-05 10:51   ` [PATCH v2 6/7] net/hns3: support filter directly accessed registers Jie Hai
2024-02-05 10:51   ` [PATCH v2 7/7] net/hns3: support filter dump of registers Jie Hai
2024-02-20 10:58 ` [PATCH v3 0/7] support dump reigser names and filter them Jie Hai
2024-02-20 10:58   ` [PATCH v3 1/7] ethdev: support report register names and filter Jie Hai
2024-02-20 15:09     ` Stephen Hemminger
2024-02-26  2:33       ` Jie Hai
2024-02-20 15:13     ` Stephen Hemminger
2024-02-26  2:41       ` Jie Hai
2024-02-20 15:14     ` Stephen Hemminger
2024-02-26  2:57       ` Jie Hai
2024-02-20 15:14     ` Stephen Hemminger
2024-02-26  2:33       ` Jie Hai
2024-02-20 10:58   ` [PATCH v3 2/7] ethdev: add telemetry cmd for registers Jie Hai
2024-02-20 10:58   ` [PATCH v3 3/7] net/hns3: fix dump counter of registers Jie Hai
2024-02-20 10:58   ` [PATCH v3 4/7] net/hns3: remove dump format " Jie Hai
2024-02-20 10:58   ` [PATCH v3 5/7] net/hns3: add names for registers Jie Hai
2024-02-20 10:58   ` [PATCH v3 6/7] net/hns3: support filter directly accessed registers Jie Hai
2024-02-20 10:58   ` [PATCH v3 7/7] net/hns3: support filter dump of registers Jie Hai
2024-02-26  3:07 ` [PATCH v4 0/7] support dump reigser names and filter them Jie Hai
2024-02-26  3:07   ` [PATCH v4 1/7] ethdev: support report register names and filter Jie Hai
2024-02-26  8:01     ` fengchengwen
2024-03-06  7:22       ` Jie Hai
2024-02-29  9:52     ` Thomas Monjalon
2024-03-05  7:45       ` Jie Hai
2024-02-26  3:07   ` [PATCH v4 2/7] ethdev: add telemetry cmd for registers Jie Hai
2024-02-26  9:09     ` fengchengwen
2024-03-06  7:18       ` Jie Hai
2024-02-26  3:07   ` [PATCH v4 3/7] net/hns3: fix dump counter of registers Jie Hai
2024-02-26  3:07   ` [PATCH v4 4/7] net/hns3: remove dump format " Jie Hai
2024-02-26  3:07   ` [PATCH v4 5/7] net/hns3: add names for registers Jie Hai
2024-02-26  3:07   ` [PATCH v4 6/7] net/hns3: support filter directly accessed registers Jie Hai
2024-02-26  3:07   ` [PATCH v4 7/7] net/hns3: support filter dump of registers Jie Hai
2024-03-07  3:02 ` [PATCH v5 0/7] support dump reigser names and filter them Jie Hai
2024-03-07  3:02   ` [PATCH v5 1/7] ethdev: support report register names and filter Jie Hai
2024-03-08  8:09     ` lihuisong (C)
2024-03-07  3:02   ` [PATCH v5 2/7] ethdev: add telemetry cmd for registers Jie Hai
2024-03-08  8:48     ` lihuisong (C)
2024-03-07  3:02   ` [PATCH v5 3/7] net/hns3: fix dump counter of registers Jie Hai
2024-03-08  8:49     ` lihuisong (C)
2024-03-07  3:02   ` [PATCH v5 4/7] net/hns3: remove dump format " Jie Hai
2024-03-08  9:17     ` lihuisong (C)
2024-03-07  3:02   ` [PATCH v5 5/7] net/hns3: add names for registers Jie Hai
2024-03-08  9:41     ` lihuisong (C)
2024-03-08 10:24     ` lihuisong (C)
2024-03-07  3:02   ` [PATCH v5 6/7] net/hns3: support filter directly accessed registers Jie Hai
2024-03-08  9:41     ` lihuisong (C)
2024-03-07  3:02   ` [PATCH v5 7/7] net/hns3: support filter dump of registers Jie Hai
2024-07-22  6:58 ` [PATCH v6 0/8] support dump reigser names and filter Jie Hai
2024-07-22  6:58   ` [PATCH v6 1/8] ethdev: support report register " Jie Hai
2024-07-22  6:58   ` [PATCH v6 2/8] ethdev: add telemetry cmd for registers Jie Hai
2024-07-22  6:58   ` [PATCH v6 3/8] net/hns3: remove some basic address dump Jie Hai
2024-07-22  6:58   ` [PATCH v6 4/8] net/hns3: fix dump counter of registers Jie Hai
2024-07-22  6:58   ` [PATCH v6 5/8] net/hns3: remove separators between register module Jie Hai
2024-07-22  6:58   ` [PATCH v6 6/8] net/hns3: refactor register dump Jie Hai
2024-07-22  6:58   ` [PATCH v6 7/8] net/hns3: support report names of registers Jie Hai
2024-07-22  6:58   ` [PATCH v6 8/8] net/hns3: support filter registers by module names Jie Hai
2024-08-09  9:22   ` [PATCH v6 0/8] support dump reigser names and filter Jie Hai
2024-09-05  6:26 ` [RESEND " Jie Hai
2024-09-05  6:26   ` [RESEND v6 1/8] ethdev: support report register " Jie Hai
2024-09-05  6:26   ` [RESEND v6 2/8] ethdev: add telemetry cmd for registers Jie Hai
2024-09-05  6:26   ` [RESEND v6 3/8] net/hns3: remove some basic address dump Jie Hai
2024-09-05  6:26   ` [RESEND v6 4/8] net/hns3: fix dump counter of registers Jie Hai
2024-09-05  6:26   ` [RESEND v6 5/8] net/hns3: remove separators between register module Jie Hai
2024-09-05  6:26   ` [RESEND v6 6/8] net/hns3: refactor register dump Jie Hai
2024-09-05  6:26   ` [RESEND v6 7/8] net/hns3: support report names of registers Jie Hai
2024-09-05  6:26   ` [RESEND v6 8/8] net/hns3: support filter registers by module names Jie Hai
2024-09-14  6:53 ` [PATCH v7 0/8] support dump reigser names and filter Jie Hai
2024-09-14  7:13 ` Jie Hai
2024-09-14  7:13   ` [PATCH v7 1/8] ethdev: support report register " Jie Hai
2024-09-22 21:26     ` Ferruh Yigit
2024-09-14  7:13   ` [PATCH v7 2/8] ethdev: add telemetry cmd for registers Jie Hai
2024-09-14  8:20     ` fengchengwen
2024-09-23  2:41       ` Jie Hai
2024-09-22 21:28     ` Ferruh Yigit
2024-09-14  7:13   ` [PATCH v7 3/8] net/hns3: remove some basic address dump Jie Hai
2024-09-14  8:21     ` fengchengwen
2024-09-14  7:13   ` [PATCH v7 4/8] net/hns3: fix dump counter of registers Jie Hai
2024-09-14  7:13   ` [PATCH v7 5/8] net/hns3: remove separators between register module Jie Hai
2024-09-14  7:13   ` [PATCH v7 6/8] net/hns3: refactor register dump Jie Hai
2024-09-14  8:26     ` fengchengwen
2024-09-14  7:13   ` [PATCH v7 7/8] net/hns3: support report names of registers Jie Hai
2024-09-14  8:27     ` fengchengwen
2024-09-14  7:13   ` [PATCH v7 8/8] net/hns3: support filter registers by module names Jie Hai
2024-09-14  8:46     ` fengchengwen
2024-09-14 15:00   ` [PATCH v7 0/8] support dump reigser names and filter Stephen Hemminger
2024-09-23  2:41     ` Jie Hai
2024-09-22 21:31   ` Ferruh Yigit
2024-09-25  6:40 ` [PATCH v8 0/8] support dump register " Jie Hai
2024-09-25  6:40   ` [PATCH v8 1/8] ethdev: support report " Jie Hai
2024-09-25  6:40   ` [PATCH v8 2/8] ethdev: add telemetry cmd for registers Jie Hai
2024-09-26  1:22     ` fengchengwen
2024-09-25  6:40   ` [PATCH v8 3/8] net/hns3: remove some basic address dump Jie Hai
2024-09-25  6:40   ` [PATCH v8 4/8] net/hns3: fix dump counter of registers Jie Hai
2024-09-25  6:40   ` [PATCH v8 5/8] net/hns3: remove separators between register module Jie Hai
2024-09-25  6:40   ` [PATCH v8 6/8] net/hns3: refactor register dump Jie Hai
2024-09-25  6:40   ` [PATCH v8 7/8] net/hns3: support report names of registers Jie Hai
2024-09-25  6:40   ` [PATCH v8 8/8] net/hns3: support filter registers by module names Jie Hai
2024-09-26  1:46     ` fengchengwen
2024-09-26 12:37       ` Jie Hai
2024-09-26 12:42 ` [PATCH v9 0/8] support dump reigster names and filter Jie Hai
2024-09-26 12:42   ` [PATCH v9 1/8] ethdev: support report register " Jie Hai
2024-09-26 12:42   ` [PATCH v9 2/8] ethdev: add telemetry cmd for registers Jie Hai
2024-09-26 12:42   ` [PATCH v9 3/8] net/hns3: remove some basic address dump Jie Hai
2024-09-26 12:42   ` [PATCH v9 4/8] net/hns3: fix dump counter of registers Jie Hai
2024-09-26 12:42   ` [PATCH v9 5/8] net/hns3: remove separators between register module Jie Hai
2024-09-26 12:42   ` [PATCH v9 6/8] net/hns3: refactor register dump Jie Hai
2024-09-26 12:42   ` [PATCH v9 7/8] net/hns3: support report names of registers Jie Hai
2024-09-26 12:42   ` [PATCH v9 8/8] net/hns3: support filter registers by module names Jie Hai
2024-09-27  1:37     ` fengchengwen
2024-10-04 13:59     ` David Marchand
2024-10-07  3:01       ` Ferruh Yigit
2024-09-27 21:38   ` [PATCH v9 0/8] support dump reigster names and filter Ferruh Yigit

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).