nvme: add mgmt-addr-list-log command

Since added the NVMe 2.1 log page.

Signed-off-by: Tokunori Ikegami <ikegami.t@gmail.com>

Author: ikegami-t

nvme-builtin.h

@@ -58,6 +58,7 @@ COMMAND_LIST(
 	ENTRY("mi-cmd-support-effects-log", "Retrieve MI Command Support and Effects log and show it", get_mi_cmd_support_effects_log)
 	ENTRY("media-unit-stat-log", "Retrieve the configuration and wear of media units, show it", get_media_unit_stat_log)
 	ENTRY("supported-cap-config-log", "Retrieve the list of Supported Capacity Configuration Descriptors", get_supp_cap_config_log)
+	ENTRY("mgmt-addr-list-log", "Retrieve Management Address List Log, show it", get_mgmt_addr_list_log)
 	ENTRY("set-feature", "Set a feature and show the resulting value", set_feature)
 	ENTRY("set-property", "Set a property and show the resulting value", set_property)
 	ENTRY("get-property", "Get a property and show the resulting value", get_property)

nvme-print-stdout.c

@@ -5509,6 +5509,33 @@ static void stdout_connect_msg(nvme_ctrl_t c)
 	printf("connecting to device: %s\n", nvme_ctrl_get_name(c));
 }
 
+static void stdout_mgmt_addr_list_log(struct nvme_mgmt_addr_list_log *ma_list)
+{
+	int i;
+	bool reserved = true;
+
+	printf("Management Address List:\n");
+	for (i = 0; i < ARRAY_SIZE(ma_list->mad); i++) {
+		switch (ma_list->mad[i].mat) {
+		case 1:
+		case 2:
+			printf("Descriptor: %d, Type: %d (%s), Address: %s\n", i,
+			       ma_list->mad[i].mat,
+			       ma_list->mad[i].mat == 1 ? "NVM subsystem management agent" :
+			       "fabric interface manager", ma_list->mad[i].madrs);
+			reserved = false;
+			break;
+		case 0xff:
+			goto out;
+		default:
+			break;
+		}
+	}
+out:
+	if (reserved)
+		printf("All management address descriptors reserved\n");
+}
+
 static struct print_ops stdout_print_ops = {
 	/* libnvme types.h print functions */
 	.ana_log			= stdout_ana_log,
@@ -5576,6 +5603,7 @@ static struct print_ops stdout_print_ops = {
 	.d				= stdout_d,
 	.show_init			= NULL,
 	.show_finish			= NULL,
+	.mgmt_addr_list_log		= stdout_mgmt_addr_list_log,
 
 	/* libnvme tree print functions */
 	.list_item			= stdout_list_item,

nvme-print.c

@@ -1440,3 +1440,8 @@ void nvme_show_finish(void)
 {
 	nvme_print_output_format(show_finish);
 }
+
+void nvme_show_mgmt_addr_list_log(struct nvme_mgmt_addr_list_log *ma_list, nvme_print_flags_t flags)
+{
+	nvme_print(mgmt_addr_list_log, flags, ma_list);
+}

nvme-print.h

@@ -88,6 +88,7 @@ struct print_ops {
 	void (*d)(unsigned char *buf, int len, int width, int group);
 	void (*show_init)(void);
 	void (*show_finish)(void);
+	void (*mgmt_addr_list_log)(struct nvme_mgmt_addr_list_log *ma_log);
 
 	/* libnvme tree print functions */
 	void (*list_item)(nvme_ns_t n);
@@ -327,4 +328,6 @@ const char *nvme_degrees_string(long t);
 void print_array(char *name, __u8 *data, int size);
 void json_print(struct json_object *r);
 struct json_object *obj_create_array_obj(struct json_object *o, const char *k);
+void nvme_show_mgmt_addr_list_log(struct nvme_mgmt_addr_list_log *ma_list,
+				  nvme_print_flags_t flags);
 #endif /* NVME_PRINT_H */

nvme-wrap.c

@@ -430,3 +430,9 @@ int nvme_cli_security_receive(struct nvme_dev *dev,
 
 	return -ENODEV;
 }
+
+int nvme_cli_get_log_mgmt_addr_list(struct nvme_dev *dev, __u32 len,
+				    struct nvme_mgmt_addr_list_log *ma_list)
+{
+	return do_admin_op(get_log_mgmt_addr_list, dev, len, ma_list);
+}

nvme-wrap.h

@@ -146,4 +146,7 @@ int nvme_cli_security_send(struct nvme_dev *dev,
 int nvme_cli_security_receive(struct nvme_dev *dev,
 			      struct nvme_security_receive_args* args);
 
+int nvme_cli_get_log_mgmt_addr_list(struct nvme_dev *dev, __u32 len,
+				    struct nvme_mgmt_addr_list_log *ma_list);
+
 #endif /* _NVME_WRAP_H */

nvme.c

@@ -9962,6 +9962,42 @@ static int nmi_send(int argc, char **argv, struct command *cmd, struct plugin *p
 	return nvme_mi(argc, argv, nvme_admin_nvme_mi_send, desc);
 }
 
+static int get_mgmt_addr_list_log(int argc, char **argv, struct command *cmd, struct plugin *plugin)
+{
+	const char *desc = "Retrieve Management Address List Log, show it";
+
+	_cleanup_free_ struct nvme_mgmt_addr_list_log *ma_log = NULL;
+	_cleanup_nvme_dev_ struct nvme_dev *dev = NULL;
+	nvme_print_flags_t flags;
+	int err = -1;
+
+	NVME_ARGS(opts);
+
+	err = parse_and_open(&dev, argc, argv, desc, opts);
+	if (err)
+		return err;
+
+	err = validate_output_format(nvme_cfg.output_format, &flags);
+	if (err < 0) {
+		nvme_show_error("Invalid output format");
+		return err;
+	}
+
+	ma_log = nvme_alloc(sizeof(*ma_log));
+	if (!ma_log)
+		return -ENOMEM;
+
+	err = nvme_cli_get_log_mgmt_addr_list(dev, sizeof(struct nvme_mgmt_addr_list_log), ma_log);
+	if (!err)
+		nvme_show_mgmt_addr_list_log(ma_log, flags);
+	else if (err > 0)
+		nvme_show_status(err);
+	else
+		nvme_show_perror("management address list log");
+
+	return err;
+}
+
 void register_extension(struct plugin *plugin)
 {
 	plugin->parent = &nvme;