| File: | .build-ci/../plugins/huawei/huawei-nvme.c |
| Warning: | line 90, column 2 Value stored to 'err' is never read |
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| 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
| 2 | /* |
| 3 | * Copyright (c) 2017-2019 Huawei Corporation or its affiliates. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public License |
| 7 | * as published by the Free Software Foundation; either version 2 |
| 8 | * of the License, or (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * Author: Zou Ming<zouming.zouming@huawei.com>, |
| 16 | * Yang Feng <philip.yang@huawei.com> |
| 17 | */ |
| 18 | #include <stdio.h> |
| 19 | #include <string.h> |
| 20 | #include <stdlib.h> |
| 21 | #include <inttypes.h> |
| 22 | #include <errno(*__errno_location ()).h> |
| 23 | #include <limits.h> |
| 24 | #include <fcntl.h> |
| 25 | #include <unistd.h> |
| 26 | #include <dirent.h> |
| 27 | |
| 28 | #include <sys/stat.h> |
| 29 | |
| 30 | #include <libnvme.h> |
| 31 | |
| 32 | #include "common.h" |
| 33 | #include "nvme-cmds.h" |
| 34 | #include "nvme.h" |
| 35 | #include "plugin.h" |
| 36 | |
| 37 | #include "util/suffix.h" |
| 38 | |
| 39 | #define CREATE_CMD |
| 40 | #include "huawei-nvme.h" |
| 41 | |
| 42 | #define HW_SSD_PCI_VENDOR_ID0x19E5 0x19E5 |
| 43 | #define ARRAY_NAME_LEN80 80 |
| 44 | #define NS_NAME_LEN40 40 |
| 45 | |
| 46 | #define MIN_ARRAY_NAME_LEN16 16 |
| 47 | #define MIN_NS_NAME_LEN16 16 |
| 48 | |
| 49 | struct huawei_list_item { |
| 50 | char node[1024]; |
| 51 | struct nvme_id_ctrl ctrl; |
| 52 | unsigned int nsid; |
| 53 | struct nvme_id_ns ns; |
| 54 | unsigned int block; |
| 55 | char ns_name[NS_NAME_LEN40]; |
| 56 | char array_name[ARRAY_NAME_LEN80]; |
| 57 | bool_Bool huawei_device; |
| 58 | }; |
| 59 | |
| 60 | struct huawei_list_element_len { |
| 61 | unsigned int node; |
| 62 | unsigned int ns_name; |
| 63 | unsigned int nguid; |
| 64 | unsigned int ns_id; |
| 65 | unsigned int usage; |
| 66 | unsigned int array_name; |
| 67 | }; |
| 68 | |
| 69 | static int huawei_get_nvme_info(struct libnvme_transport_handle *hdl, |
| 70 | struct huawei_list_item *item, const char *node) |
| 71 | { |
| 72 | struct stat nvme_stat_info; |
| 73 | int err; |
| 74 | int len; |
| 75 | |
| 76 | memset(item, 0, sizeof(*item)); |
| 77 | |
| 78 | err = nvme_identify_ctrl(hdl, &item->ctrl); |
| 79 | if (err) |
| 80 | return err; |
| 81 | |
| 82 | /*identify huawei device*/ |
| 83 | if (strstr(item->ctrl.mn, "Huawei") == NULL((void*)0) && |
| 84 | le16_to_cpu(item->ctrl.vid) != HW_SSD_PCI_VENDOR_ID0x19E5) { |
| 85 | item->huawei_device = false0; |
| 86 | return 0; |
| 87 | } |
| 88 | |
| 89 | item->huawei_device = true1; |
| 90 | err = libnvme_get_nsid(hdl, &item->nsid); |
Value stored to 'err' is never read | |
| 91 | err = nvme_identify_ns(hdl, item->nsid, &item->ns); |
| 92 | if (err) |
| 93 | return err; |
| 94 | |
| 95 | err = fstat(libnvme_transport_handle_get_fd(hdl), &nvme_stat_info); |
| 96 | if (err < 0) |
| 97 | return err; |
| 98 | |
| 99 | strncpy(item->node, node, sizeof(item->node)); |
| 100 | item->node[sizeof(item->node) - 1] = '\0'; |
| 101 | item->block = S_ISBLK(nvme_stat_info.st_mode)((((nvme_stat_info.st_mode)) & 0170000) == (0060000)); |
| 102 | |
| 103 | if (item->ns.vs[0] == 0) { |
| 104 | len = snprintf(item->ns_name, NS_NAME_LEN40, "%s", "----"); |
| 105 | if (len < 0) |
| 106 | return -EINVAL22; |
| 107 | } else { |
| 108 | memcpy(item->ns_name, item->ns.vs, NS_NAME_LEN40); |
| 109 | item->ns_name[NS_NAME_LEN40 - 1] = '\0'; |
| 110 | } |
| 111 | |
| 112 | if (item->ctrl.vs[0] == 0) { |
| 113 | len = snprintf(item->array_name, ARRAY_NAME_LEN80, "%s", "----"); |
| 114 | if (len < 0) |
| 115 | return -EINVAL22; |
| 116 | } else { |
| 117 | memcpy(item->array_name, item->ctrl.vs, ARRAY_NAME_LEN80); |
| 118 | item->array_name[ARRAY_NAME_LEN80 - 1] = '\0'; |
| 119 | } |
| 120 | return 0; |
| 121 | } |
| 122 | |
| 123 | #ifdef CONFIG_JSONC |
| 124 | static void format(char *formatter, size_t fmt_sz, char *tofmt, size_t tofmtsz) |
| 125 | { |
| 126 | fmt_sz = snprintf(formatter, fmt_sz, "%-*.*s", (int)tofmtsz, (int)tofmtsz, tofmt); |
| 127 | |
| 128 | /* trim() the obnoxious trailing white lines */ |
| 129 | while (fmt_sz) { |
| 130 | if (formatter[fmt_sz - 1] != ' ' && formatter[fmt_sz - 1] != '\0') { |
| 131 | formatter[fmt_sz] = '\0'; |
| 132 | break; |
| 133 | } |
| 134 | fmt_sz--; |
| 135 | } |
| 136 | } |
| 137 | |
| 138 | static void huawei_json_print_list_items(struct huawei_list_item *list_items, |
| 139 | unsigned int len) |
| 140 | { |
| 141 | struct json_object *root; |
| 142 | struct json_object *devices; |
| 143 | struct json_object *device_attrs; |
| 144 | char formatter[128] = { 0 }; |
| 145 | int index, i = 0; |
| 146 | |
| 147 | root = json_create_object()json_object_new_object(); |
| 148 | devices = json_create_array()json_object_new_array(); |
| 149 | for (i = 0; i < len; i++) { |
| 150 | device_attrs = json_create_object()json_object_new_object(); |
| 151 | |
| 152 | json_object_add_value_string(device_attrs, |
| 153 | "DevicePath", |
| 154 | list_items[i].node); |
| 155 | |
| 156 | if (sscanf(list_items[i].node, "/dev/nvme%d", &index) == 1) |
| 157 | json_object_add_value_int(device_attrs,json_object_object_add(device_attrs, "Index", json_object_new_int (index)) |
| 158 | "Index",json_object_object_add(device_attrs, "Index", json_object_new_int (index)) |
| 159 | index)json_object_object_add(device_attrs, "Index", json_object_new_int (index)); |
| 160 | |
| 161 | format(formatter, sizeof(formatter), |
| 162 | list_items[i].ns_name, |
| 163 | sizeof(list_items[i].ns_name)); |
| 164 | |
| 165 | json_object_add_value_string(device_attrs, |
| 166 | "NS Name", |
| 167 | formatter); |
| 168 | |
| 169 | format(formatter, sizeof(formatter), |
| 170 | list_items[i].array_name, |
| 171 | sizeof(list_items[i].array_name)); |
| 172 | |
| 173 | json_object_add_value_string(device_attrs, |
| 174 | "Array Name", |
| 175 | formatter); |
| 176 | |
| 177 | json_array_add_value_object(devices, device_attrs)json_object_array_add(devices, device_attrs); |
| 178 | } |
| 179 | json_object_add_value_array(root, "Devices", devices)json_object_object_add(root, "Devices", devices); |
| 180 | json_print_object(root, NULL)printf("%s", json_object_to_json_string_ext(root, (1 << 1) | (1 << 4))); |
| 181 | printf("\n"); |
| 182 | json_free_object(root)json_object_put(root); |
| 183 | } |
| 184 | #endif /* CONFIG_JSONC */ |
| 185 | |
| 186 | static void huawei_print_list_head(struct huawei_list_element_len element_len) |
| 187 | { |
| 188 | char dash[128]; |
| 189 | int i; |
| 190 | |
| 191 | for (i = 0; i < 128; i++) |
| 192 | dash[i] = '-'; |
| 193 | dash[127] = '\0'; |
| 194 | |
| 195 | printf("%-*.*s %-*.*s %-*.*s %-*.*s %-*.*s %-*.*s\n", |
| 196 | element_len.node, element_len.node, "Node", |
| 197 | element_len.ns_name, element_len.ns_name, "NS Name", |
| 198 | element_len.nguid, element_len.nguid, "Nguid", |
| 199 | element_len.ns_id, element_len.ns_id, "NS ID", |
| 200 | element_len.usage, element_len.usage, "Usage", |
| 201 | element_len.array_name, element_len.array_name, "Array Name"); |
| 202 | |
| 203 | printf("%-.*s %-.*s %-.*s %-.*s %-.*s %-.*s\n", |
| 204 | element_len.node, dash, element_len.ns_name, dash, |
| 205 | element_len.nguid, dash, element_len.ns_id, dash, |
| 206 | element_len.usage, dash, element_len.array_name, dash); |
| 207 | } |
| 208 | |
| 209 | static void huawei_print_list_item(struct huawei_list_item *list_item, |
| 210 | struct huawei_list_element_len element_len) |
| 211 | { |
| 212 | __u8 lba_index; |
| 213 | |
| 214 | nvme_id_ns_flbas_to_lbaf_inuse(list_item->ns.flbas, &lba_index); |
| 215 | unsigned long long lba = 1ULL << list_item->ns.lbaf[lba_index].ds; |
| 216 | double nsze = le64_to_cpu(list_item->ns.nsze) * lba; |
| 217 | double nuse = le64_to_cpu(list_item->ns.nuse) * lba; |
| 218 | |
| 219 | const char *s_suffix = suffix_si_get(&nsze); |
| 220 | const char *u_suffix = suffix_si_get(&nuse); |
| 221 | |
| 222 | char usage[128]; |
| 223 | char nguid_buf[2 * sizeof(list_item->ns.nguid) + 1]; |
| 224 | char *nguid = nguid_buf; |
| 225 | int i; |
| 226 | |
| 227 | sprintf(usage, "%6.2f %2sB / %6.2f %2sB", nuse, u_suffix, nsze, s_suffix); |
| 228 | |
| 229 | memset(nguid, 0, sizeof(nguid_buf)); |
| 230 | for (i = 0; i < sizeof(list_item->ns.nguid); i++) |
| 231 | nguid += sprintf(nguid, "%02x", list_item->ns.nguid[i]); |
| 232 | |
| 233 | printf("%-*.*s %-*.*s %-*.*s %-*d %-*.*s %-*.*s\n", |
| 234 | element_len.node, element_len.node, list_item->node, |
| 235 | element_len.ns_name, element_len.ns_name, list_item->ns_name, |
| 236 | element_len.nguid, element_len.nguid, nguid_buf, |
| 237 | element_len.ns_id, list_item->nsid, |
| 238 | element_len.usage, element_len.usage, usage, |
| 239 | element_len.array_name, element_len.array_name, |
| 240 | list_item->array_name); |
| 241 | |
| 242 | } |
| 243 | |
| 244 | static unsigned int choose_len(unsigned int old_len, unsigned int cur_len, unsigned int default_len) |
| 245 | { |
| 246 | unsigned int temp_len; |
| 247 | |
| 248 | temp_len = (cur_len > default_len) ? cur_len : default_len; |
| 249 | if (temp_len > old_len) |
| 250 | return temp_len; |
| 251 | return old_len; |
| 252 | } |
| 253 | |
| 254 | static unsigned int huawei_get_ns_len(struct huawei_list_item *list_items, unsigned int len, |
| 255 | unsigned int default_len) |
| 256 | { |
| 257 | int i; |
| 258 | unsigned int min_len = default_len; |
| 259 | |
| 260 | for (i = 0 ; i < len ; i++) |
| 261 | min_len = choose_len(min_len, strlen(list_items->ns_name), default_len); |
| 262 | |
| 263 | return min_len; |
| 264 | } |
| 265 | |
| 266 | static int huawei_get_array_len(struct huawei_list_item *list_items, unsigned int len, |
| 267 | unsigned int default_len) |
| 268 | { |
| 269 | int i; |
| 270 | int min_len = default_len; |
| 271 | |
| 272 | for (i = 0 ; i < len ; i++) |
| 273 | min_len = choose_len(min_len, strlen(list_items->array_name), default_len); |
| 274 | |
| 275 | return min_len; |
| 276 | } |
| 277 | |
| 278 | static void huawei_print_list_items(struct huawei_list_item *list_items, unsigned int len) |
| 279 | { |
| 280 | unsigned int i; |
| 281 | struct huawei_list_element_len element_len; |
| 282 | |
| 283 | element_len.node = 16; |
| 284 | element_len.nguid = 2 * sizeof(list_items->ns.nguid) + 1; |
| 285 | element_len.ns_id = 9; |
| 286 | element_len.usage = 26; |
| 287 | element_len.ns_name = huawei_get_ns_len(list_items, len, MIN_NS_NAME_LEN16); |
| 288 | element_len.array_name = huawei_get_array_len(list_items, len, MIN_ARRAY_NAME_LEN16); |
| 289 | |
| 290 | huawei_print_list_head(element_len); |
| 291 | |
| 292 | for (i = 0 ; i < len ; i++) |
| 293 | huawei_print_list_item(&list_items[i], element_len); |
| 294 | } |
| 295 | |
| 296 | static int huawei_list(int argc, char **argv, struct command *acmd, |
| 297 | struct plugin *plugin) |
| 298 | { |
| 299 | __cleanup_nvme_global_ctx__attribute__((cleanup(cleanup_nvme_global_ctx))) struct libnvme_global_ctx *ctx = |
| 300 | libnvme_create_global_ctx(stdoutstdout, LIBNVME_DEFAULT_LOGLEVELLIBNVME_LOG_WARN); |
| 301 | char path[264]; |
| 302 | struct dirent **devices; |
| 303 | struct huawei_list_item *list_items; |
| 304 | unsigned int i, n, ret; |
| 305 | unsigned int huawei_num = 0; |
| 306 | nvme_print_flags_t fmt; |
| 307 | const char *desc = "Retrieve basic information for the given huawei device"; |
| 308 | |
| 309 | NVME_ARGS(opts)struct argconfig_commandline_options opts[] = { {"", 0, ((void *)0), CFG_GROUP_SEPARATOR, ((void*)0), 0, "Options", 0, ((void *)0)}, {"", 0, ((void*)0), CFG_GROUP_SEPARATOR, ((void*)0), 0 , "Global options", 0, ((void*)0)}, {"verbose", 'v', "NUM", CFG_INCREMENT , &nvme_args.verbose, 0, "Increase output verbosity", 0, } , {"output-format", 'o', "FMT", CFG_STRING, &nvme_args.output_format , 1, "Output format: normal|json|binary|tabular", 0, }, {"timeout" , 0, "NUM", CFG_POSITIVE, &nvme_args.timeout, 1, "timeout value, in milliseconds" , 0, }, {"dry-run", 0, ((void*)0), CFG_FLAG, &nvme_args.dry_run , 0, "show command instead of executing", 0, }, {"no-retries" , 0, ((void*)0), CFG_FLAG, &nvme_args.no_retries, 0, "disable retry logic on errors" , 0, }, {"no-ioctl-probing", 0, ((void*)0), CFG_FLAG, &nvme_args .no_ioctl_probing, 0, "disable 64-bit IOCTL support probing", 0, }, {"output-format-version", 0, "NUM", CFG_POSITIVE, & nvme_args.output_format_ver, 1, "output format version: 1|2", 0, }, {"human-readable", 'H', ((void*)0), CFG_FLAG, &nvme_args .verbose, 0, ((void*)0), 0, ((void*)0), 1}, { ((void*)0) } }; |
| 310 | |
| 311 | if (!ctx) |
| 312 | return -ENOMEM12; |
| 313 | |
| 314 | ret = argconfig_parse(argc, argv, desc, opts); |
| 315 | if (ret) |
| 316 | return ret; |
| 317 | |
| 318 | ret = validate_output_format(nvme_args.output_format, &fmt); |
| 319 | if (ret < 0 || (fmt != JSON && fmt != NORMAL)) |
| 320 | return ret; |
| 321 | |
| 322 | n = scandir("/dev", &devices, libnvme_filter_namespace, alphasort); |
| 323 | if (n <= 0) |
| 324 | return n; |
| 325 | |
| 326 | list_items = calloc(n, sizeof(*list_items)); |
| 327 | if (!list_items) { |
| 328 | fprintf(stderrstderr, "can not allocate controller list payload\n"); |
| 329 | ret = ENOMEM12; |
| 330 | goto out_free_devices; |
| 331 | } |
| 332 | |
| 333 | for (i = 0; i < n; i++) { |
| 334 | __cleanup_nvme_transport_handle__attribute__((cleanup(cleanup_nvme_transport_handle))) struct libnvme_transport_handle *hdl = NULL((void*)0); |
| 335 | |
| 336 | snprintf(path, sizeof(path), "/dev/%s", devices[i]->d_name); |
| 337 | ret = libnvme_open(ctx, path, &hdl); |
| 338 | if (ret) { |
| 339 | fprintf(stderrstderr, "Cannot open device %s: %s\n", |
| 340 | path, libnvme_strerror(-ret)); |
| 341 | continue; |
| 342 | } |
| 343 | ret = huawei_get_nvme_info(hdl, &list_items[huawei_num], path); |
| 344 | if (ret) |
| 345 | goto out_free_list_items; |
| 346 | |
| 347 | if (list_items[huawei_num].huawei_device == true1) |
| 348 | huawei_num++; |
| 349 | } |
| 350 | |
| 351 | if (huawei_num > 0) { |
| 352 | #ifdef CONFIG_JSONC |
| 353 | if (fmt == JSON) |
| 354 | huawei_json_print_list_items(list_items, huawei_num); |
| 355 | else |
| 356 | #endif /* CONFIG_JSONC */ |
| 357 | huawei_print_list_items(list_items, huawei_num); |
| 358 | } |
| 359 | out_free_list_items: |
| 360 | free(list_items); |
| 361 | out_free_devices: |
| 362 | for (i = 0; i < n; i++) |
| 363 | free(devices[i]); |
| 364 | free(devices); |
| 365 | |
| 366 | return ret; |
| 367 | } |
| 368 | |
| 369 | static void huawei_do_id_ctrl(__u8 *vs, struct json_object *root) |
| 370 | { |
| 371 | char array_name[ARRAY_NAME_LEN80 + 1] = {0}; |
| 372 | |
| 373 | memcpy(array_name, vs, ARRAY_NAME_LEN80); |
| 374 | if (root) |
| 375 | json_object_add_value_string(root, "array name", strlen(array_name) > 1 ? array_name : "NULL"); |
| 376 | else |
| 377 | printf("array name : %s\n", strlen(array_name) > 1 ? array_name : "NULL"); |
| 378 | } |
| 379 | |
| 380 | static int huawei_id_ctrl(int argc, char **argv, struct command *acmd, struct plugin *plugin) |
| 381 | { |
| 382 | return __id_ctrl(argc, argv, acmd, plugin, huawei_do_id_ctrl); |
| 383 | } |