zns: replace zns list with generic table

Use the generic table code added instead of hard coded table.

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

Author: ikegami-t

nvme-print-json.c

@@ -4719,7 +4719,7 @@ static void json_simple_list(nvme_root_t t)
 	json_print(r);
 }
 
-static void json_list_item(nvme_ns_t n)
+static void json_list_item(nvme_ns_t n, struct table *t)
 {
 	struct json_object *r = json_list_item_obj(n);
 

nvme-print-stdout.c

@@ -33,7 +33,6 @@ enum simple_list_col {
 	SIMPLE_LIST_COL_USAGE,
 	SIMPLE_LIST_COL_FORMAT,
 	SIMPLE_LIST_COL_FW_REV,
-	SIMPLE_LIST_COL_NUM,
 };
 
 static const uint8_t zero_uuid[16] = { 0 };
@@ -5395,14 +5394,6 @@ static void list_item(nvme_ns_t n, struct table *t)
 	stdout_dev_full_path(n, devname, sizeof(devname));
 	stdout_generic_full_path(n, genname, sizeof(genname));
 
-	if (!t) {
-		printf("%-21s %-21s %-20s %-40s %#-10x %-26s %-16s %-8s\n",
-		       devname, genname, nvme_ns_get_serial(n),
-		       nvme_ns_get_model(n), nvme_ns_get_nsid(n), usage, format,
-		       nvme_ns_get_firmware(n));
-		return;
-	}
-
 	row = table_get_row_id(t);
 	if (row < 0) {
 		printf("Failed to add row\n");
@@ -5447,9 +5438,9 @@ static void list_item(nvme_ns_t n, struct table *t)
 	table_add_row(t, row);
 }
 
-static void stdout_list_item(nvme_ns_t n)
+static void stdout_list_item(nvme_ns_t n, struct table *t)
 {
-	list_item(n, NULL);
+	list_item(n, t);
 }
 
 static void stdout_list_item_table(nvme_ns_t n, struct table *t)
@@ -5472,7 +5463,7 @@ static bool stdout_simple_ns(const char *name, void *arg)
 static void stdout_simple_list(nvme_root_t r)
 {
 	struct nvme_resources res;
-	struct table_column columns[SIMPLE_LIST_COL_NUM] = {
+	struct table_column columns[] = {
 		{ "Node", LEFT, 21 },
 		{ "Generic", LEFT, 21 },
 		{ "SN", LEFT, 20 },

nvme-print.c

@@ -1504,9 +1504,9 @@ void nvme_generic_full_path(nvme_ns_t n, char *path, size_t len)
 	snprintf(path, len, "ng%dn%d", instance, head_instance);
 }
 
-void nvme_show_list_item(nvme_ns_t n)
+void nvme_show_list_item(nvme_ns_t n, struct table *t)
 {
-	nvme_print(list_item, NORMAL, n);
+	nvme_print(list_item, NORMAL, n, t);
 }
 
 void nvme_show_list_items(nvme_root_t r, nvme_print_flags_t flags)

nvme-print.h

@@ -3,6 +3,7 @@
 #define NVME_PRINT_H
 
 #include "nvme.h"
+#include "util/table.h"
 #include <inttypes.h>
 
 #include <ccan/list/list.h>
@@ -101,7 +102,7 @@ struct print_ops {
 	void (*log)(const char *devname, struct nvme_get_log_args *args);
 
 	/* libnvme tree print functions */
-	void (*list_item)(nvme_ns_t n);
+	void (*list_item)(nvme_ns_t n, struct table *t);
 	void (*list_items)(nvme_root_t t);
 	void (*print_nvme_subsystem_list)(nvme_root_t r, bool show_ana);
 	void (*topology_ctrl)(nvme_root_t r);
@@ -281,7 +282,7 @@ void nvme_show_zns_report_zones(void *report, __u32 descs,
 				nvme_print_flags_t flags);
 void json_nvme_finish_zone_list(__u64 nr_zones, 
 	struct json_object *zone_list);
-void nvme_show_list_item(nvme_ns_t n);
+void nvme_show_list_item(nvme_ns_t n, struct table *t);
 
 void nvme_show_fdp_configs(struct nvme_fdp_config_log *configs, size_t len,
 		nvme_print_flags_t flags);

plugins/zns/zns.c

@@ -18,7 +18,6 @@
 #include "zns.h"
 
 static const char *namespace_id = "Namespace identifier to use";
-static const char dash[100] = { [0 ... 99] = '-' };
 
 static int detect_zns(nvme_ns_t ns, int *out_supported)
 {
@@ -39,7 +38,7 @@ static int detect_zns(nvme_ns_t ns, int *out_supported)
 	return err;
 }
 
-static int print_zns_list_ns(nvme_ns_t ns)
+static int print_zns_list_ns(nvme_ns_t ns, struct table *t)
 {
 	int supported;
 	int err = 0;
@@ -51,12 +50,12 @@ static int print_zns_list_ns(nvme_ns_t ns)
 	}
 
 	if (supported)
-		nvme_show_list_item(ns);
+		nvme_show_list_item(ns, t);
 
 	return err;
 }
 
-static int print_zns_list(nvme_root_t nvme_root)
+static int print_zns_list(nvme_root_t nvme_root, struct table *t)
 {
 	int err = 0;
 	nvme_host_t h;
@@ -67,14 +66,14 @@ static int print_zns_list(nvme_root_t nvme_root)
 	nvme_for_each_host(nvme_root, h) {
 		nvme_for_each_subsystem(h, s) {
 			nvme_subsystem_for_each_ns(s, n) {
-				err = print_zns_list_ns(n);
+				err = print_zns_list_ns(n, t);
 				if (err)
 					return err;
 			}
 
 			nvme_subsystem_for_each_ctrl(s, c) {
 				nvme_ctrl_for_each_ns(c, n) {
-					err = print_zns_list_ns(n);
+					err = print_zns_list_ns(n, t);
 					if (err)
 						return err;
 				}
@@ -90,21 +89,31 @@ static int list(int argc, char **argv, struct command *cmd,
 {
 	int err = 0;
 	nvme_root_t nvme_root;
-
-	printf("%-21s %-20s %-40s %-9s %-26s %-16s %-8s\n", "Node", "SN",
-	       "Model", "Namespace", "Usage", "Format", "FW Rev");
-	printf("%-.21s %-.20s %-.40s %-.9s %-.26s %-.16s %-.8s\n", dash, dash,
-	       dash, dash, dash, dash, dash);
+	struct table_column columns[] = {
+		{ "Node", LEFT, 21 },
+		{ "Generic", LEFT, 21 },
+		{ "SN", LEFT, 20 },
+		{ "Model", LEFT, 40 },
+		{ "Namespace", LEFT, 10 },
+		{ "Usage", LEFT, 26 },
+		{ "Format", LEFT, 16 },
+		{ "FW Rev", LEFT, 8 },
+	};
+	struct table *t = table_init_with_columns(columns, ARRAY_SIZE(columns));
 
 	nvme_root = nvme_scan(NULL);
-	if (nvme_root) {
-		err = print_zns_list(nvme_root);
-		nvme_free_tree(nvme_root);
-	} else {
+	if (!nvme_root) {
 		fprintf(stderr, "Failed to scan nvme subsystems\n");
-		err = -errno;
+		return -errno;
 	}
 
+	err = print_zns_list(nvme_root, t);
+	nvme_free_tree(nvme_root);
+
+	table_print(t);
+
+	table_free(t);
+
 	return err;
 }