1 // SPDX-License-Identifier: GPL-2.0 2 /* Huawei HiNIC PCI Express Linux driver 3 * Copyright(c) 2017 Huawei Technologies Co., Ltd 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms and conditions of the GNU General Public License, 7 * version 2, as published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * for more details. 13 * 14 */ 15 #include <linux/netlink.h> 16 #include <net/devlink.h> 17 #include <linux/firmware.h> 18 19 #include "hinic_port.h" 20 #include "hinic_devlink.h" 21 #include "hinic_hw_dev.h" 22 23 static bool check_image_valid(struct hinic_devlink_priv *priv, const u8 *buf, 24 u32 image_size, struct host_image_st *host_image) 25 { 26 struct fw_image_st *fw_image = NULL; 27 u32 len = 0; 28 u32 i; 29 30 fw_image = (struct fw_image_st *)buf; 31 32 if (fw_image->fw_magic != HINIC_MAGIC_NUM) { 33 dev_err(&priv->hwdev->hwif->pdev->dev, "Wrong fw_magic read from file, fw_magic: 0x%x\n", 34 fw_image->fw_magic); 35 return false; 36 } 37 38 if (fw_image->fw_info.fw_section_cnt > MAX_FW_TYPE_NUM) { 39 dev_err(&priv->hwdev->hwif->pdev->dev, "Wrong fw_type_num read from file, fw_type_num: 0x%x\n", 40 fw_image->fw_info.fw_section_cnt); 41 return false; 42 } 43 44 for (i = 0; i < fw_image->fw_info.fw_section_cnt; i++) { 45 len += fw_image->fw_section_info[i].fw_section_len; 46 memcpy(&host_image->image_section_info[i], 47 &fw_image->fw_section_info[i], 48 sizeof(struct fw_section_info_st)); 49 } 50 51 if (len != fw_image->fw_len || 52 (fw_image->fw_len + UPDATEFW_IMAGE_HEAD_SIZE) != image_size) { 53 dev_err(&priv->hwdev->hwif->pdev->dev, "Wrong data size read from file\n"); 54 return false; 55 } 56 57 host_image->image_info.up_total_len = fw_image->fw_len; 58 host_image->image_info.fw_version = fw_image->fw_version; 59 host_image->section_type_num = fw_image->fw_info.fw_section_cnt; 60 host_image->device_id = fw_image->device_id; 61 62 return true; 63 } 64 65 static bool check_image_integrity(struct hinic_devlink_priv *priv, 66 struct host_image_st *host_image, 67 u32 update_type) 68 { 69 u32 collect_section_type = 0; 70 u32 i, type; 71 72 for (i = 0; i < host_image->section_type_num; i++) { 73 type = host_image->image_section_info[i].fw_section_type; 74 if (collect_section_type & (1U << type)) { 75 dev_err(&priv->hwdev->hwif->pdev->dev, "Duplicate section type: %u\n", 76 type); 77 return false; 78 } 79 collect_section_type |= (1U << type); 80 } 81 82 if (update_type == FW_UPDATE_COLD && 83 (((collect_section_type & _IMAGE_COLD_SUB_MODULES_MUST_IN) == 84 _IMAGE_COLD_SUB_MODULES_MUST_IN) || 85 collect_section_type == _IMAGE_CFG_SUB_MODULES_MUST_IN)) 86 return true; 87 88 if (update_type == FW_UPDATE_HOT && 89 (collect_section_type & _IMAGE_HOT_SUB_MODULES_MUST_IN) == 90 _IMAGE_HOT_SUB_MODULES_MUST_IN) 91 return true; 92 93 if (update_type == FW_UPDATE_COLD) 94 dev_err(&priv->hwdev->hwif->pdev->dev, "Check file integrity failed, valid: 0x%x or 0x%lx, current: 0x%x\n", 95 _IMAGE_COLD_SUB_MODULES_MUST_IN, 96 _IMAGE_CFG_SUB_MODULES_MUST_IN, collect_section_type); 97 else 98 dev_err(&priv->hwdev->hwif->pdev->dev, "Check file integrity failed, valid:0x%x, current: 0x%x\n", 99 _IMAGE_HOT_SUB_MODULES_MUST_IN, collect_section_type); 100 101 return false; 102 } 103 104 static int check_image_device_type(struct hinic_devlink_priv *priv, 105 u32 image_device_type) 106 { 107 struct hinic_comm_board_info board_info = {0}; 108 109 if (hinic_get_board_info(priv->hwdev, &board_info)) { 110 dev_err(&priv->hwdev->hwif->pdev->dev, "Get board info failed\n"); 111 return false; 112 } 113 114 if (image_device_type == board_info.info.board_type) 115 return true; 116 117 dev_err(&priv->hwdev->hwif->pdev->dev, "The device type of upgrade file doesn't match the device type of current firmware, please check the upgrade file\n"); 118 dev_err(&priv->hwdev->hwif->pdev->dev, "The image device type: 0x%x, firmware device type: 0x%x\n", 119 image_device_type, board_info.info.board_type); 120 121 return false; 122 } 123 124 static int hinic_flash_fw(struct hinic_devlink_priv *priv, const u8 *data, 125 struct host_image_st *host_image) 126 { 127 u32 section_remain_send_len, send_fragment_len, send_pos, up_total_len; 128 struct hinic_cmd_update_fw *fw_update_msg = NULL; 129 u32 section_type, section_crc, section_version; 130 u32 i, len, section_len, section_offset; 131 u16 out_size = sizeof(*fw_update_msg); 132 int total_len_flag = 0; 133 int err; 134 135 fw_update_msg = kzalloc(sizeof(*fw_update_msg), GFP_KERNEL); 136 if (!fw_update_msg) 137 return -ENOMEM; 138 139 up_total_len = host_image->image_info.up_total_len; 140 141 for (i = 0; i < host_image->section_type_num; i++) { 142 len = host_image->image_section_info[i].fw_section_len; 143 if (host_image->image_section_info[i].fw_section_type == 144 UP_FW_UPDATE_BOOT) { 145 up_total_len = up_total_len - len; 146 break; 147 } 148 } 149 150 for (i = 0; i < host_image->section_type_num; i++) { 151 section_len = 152 host_image->image_section_info[i].fw_section_len; 153 section_offset = 154 host_image->image_section_info[i].fw_section_offset; 155 section_remain_send_len = section_len; 156 section_type = 157 host_image->image_section_info[i].fw_section_type; 158 section_crc = host_image->image_section_info[i].fw_section_crc; 159 section_version = 160 host_image->image_section_info[i].fw_section_version; 161 162 if (section_type == UP_FW_UPDATE_BOOT) 163 continue; 164 165 send_fragment_len = 0; 166 send_pos = 0; 167 168 while (section_remain_send_len > 0) { 169 if (!total_len_flag) { 170 fw_update_msg->total_len = up_total_len; 171 total_len_flag = 1; 172 } else { 173 fw_update_msg->total_len = 0; 174 } 175 176 memset(fw_update_msg->data, 0, MAX_FW_FRAGMENT_LEN); 177 178 fw_update_msg->ctl_info.SF = 179 (section_remain_send_len == section_len) ? 180 true : false; 181 fw_update_msg->section_info.FW_section_CRC = section_crc; 182 fw_update_msg->fw_section_version = section_version; 183 fw_update_msg->ctl_info.flag = UP_TYPE_A; 184 185 if (section_type <= UP_FW_UPDATE_UP_DATA_B) { 186 fw_update_msg->section_info.FW_section_type = 187 (section_type % 2) ? 188 UP_FW_UPDATE_UP_DATA : 189 UP_FW_UPDATE_UP_TEXT; 190 191 fw_update_msg->ctl_info.flag = UP_TYPE_B; 192 if (section_type <= UP_FW_UPDATE_UP_DATA_A) 193 fw_update_msg->ctl_info.flag = UP_TYPE_A; 194 } else { 195 fw_update_msg->section_info.FW_section_type = 196 section_type - 0x2; 197 } 198 199 fw_update_msg->setion_total_len = section_len; 200 fw_update_msg->section_offset = send_pos; 201 202 if (section_remain_send_len <= MAX_FW_FRAGMENT_LEN) { 203 fw_update_msg->ctl_info.SL = true; 204 fw_update_msg->ctl_info.fragment_len = 205 section_remain_send_len; 206 send_fragment_len += section_remain_send_len; 207 } else { 208 fw_update_msg->ctl_info.SL = false; 209 fw_update_msg->ctl_info.fragment_len = 210 MAX_FW_FRAGMENT_LEN; 211 send_fragment_len += MAX_FW_FRAGMENT_LEN; 212 } 213 214 memcpy(fw_update_msg->data, 215 data + UPDATEFW_IMAGE_HEAD_SIZE + 216 section_offset + send_pos, 217 fw_update_msg->ctl_info.fragment_len); 218 219 err = hinic_port_msg_cmd(priv->hwdev, 220 HINIC_PORT_CMD_UPDATE_FW, 221 fw_update_msg, 222 sizeof(*fw_update_msg), 223 fw_update_msg, &out_size); 224 if (err || !out_size || fw_update_msg->status) { 225 dev_err(&priv->hwdev->hwif->pdev->dev, "Failed to update firmware, err: %d, status: 0x%x, out size: 0x%x\n", 226 err, fw_update_msg->status, out_size); 227 err = fw_update_msg->status ? 228 fw_update_msg->status : -EIO; 229 kfree(fw_update_msg); 230 return err; 231 } 232 233 send_pos = send_fragment_len; 234 section_remain_send_len = section_len - 235 send_fragment_len; 236 } 237 } 238 239 kfree(fw_update_msg); 240 241 return 0; 242 } 243 244 static int hinic_firmware_update(struct hinic_devlink_priv *priv, 245 const struct firmware *fw, 246 struct netlink_ext_ack *extack) 247 { 248 struct host_image_st host_image; 249 int err; 250 251 memset(&host_image, 0, sizeof(struct host_image_st)); 252 253 if (!check_image_valid(priv, fw->data, fw->size, &host_image) || 254 !check_image_integrity(priv, &host_image, FW_UPDATE_COLD) || 255 !check_image_device_type(priv, host_image.device_id)) { 256 NL_SET_ERR_MSG_MOD(extack, "Check image failed"); 257 return -EINVAL; 258 } 259 260 dev_info(&priv->hwdev->hwif->pdev->dev, "Flash firmware begin\n"); 261 262 err = hinic_flash_fw(priv, fw->data, &host_image); 263 if (err) { 264 if (err == HINIC_FW_DISMATCH_ERROR) { 265 dev_err(&priv->hwdev->hwif->pdev->dev, "Firmware image doesn't match this card, please use newer image, err: %d\n", 266 err); 267 NL_SET_ERR_MSG_MOD(extack, 268 "Firmware image doesn't match this card, please use newer image"); 269 } else { 270 dev_err(&priv->hwdev->hwif->pdev->dev, "Send firmware image data failed, err: %d\n", 271 err); 272 NL_SET_ERR_MSG_MOD(extack, "Send firmware image data failed"); 273 } 274 275 return err; 276 } 277 278 dev_info(&priv->hwdev->hwif->pdev->dev, "Flash firmware end\n"); 279 280 return 0; 281 } 282 283 static int hinic_devlink_flash_update(struct devlink *devlink, 284 const char *file_name, 285 const char *component, 286 struct netlink_ext_ack *extack) 287 { 288 struct hinic_devlink_priv *priv = devlink_priv(devlink); 289 const struct firmware *fw; 290 int err; 291 292 if (component) 293 return -EOPNOTSUPP; 294 295 err = request_firmware_direct(&fw, file_name, 296 &priv->hwdev->hwif->pdev->dev); 297 if (err) 298 return err; 299 300 err = hinic_firmware_update(priv, fw, extack); 301 release_firmware(fw); 302 303 return err; 304 } 305 306 static const struct devlink_ops hinic_devlink_ops = { 307 .flash_update = hinic_devlink_flash_update, 308 }; 309 310 struct devlink *hinic_devlink_alloc(void) 311 { 312 return devlink_alloc(&hinic_devlink_ops, sizeof(struct hinic_dev)); 313 } 314 315 void hinic_devlink_free(struct devlink *devlink) 316 { 317 devlink_free(devlink); 318 } 319 320 int hinic_devlink_register(struct hinic_devlink_priv *priv, struct device *dev) 321 { 322 struct devlink *devlink = priv_to_devlink(priv); 323 324 return devlink_register(devlink, dev); 325 } 326 327 void hinic_devlink_unregister(struct hinic_devlink_priv *priv) 328 { 329 struct devlink *devlink = priv_to_devlink(priv); 330 331 devlink_unregister(devlink); 332 } 333 334 static int chip_fault_show(struct devlink_fmsg *fmsg, 335 struct hinic_fault_event *event) 336 { 337 const char * const level_str[FAULT_LEVEL_MAX + 1] = { 338 "fatal", "reset", "flr", "general", "suggestion", "Unknown"}; 339 u8 fault_level; 340 int err; 341 342 fault_level = (event->event.chip.err_level < FAULT_LEVEL_MAX) ? 343 event->event.chip.err_level : FAULT_LEVEL_MAX; 344 if (fault_level == FAULT_LEVEL_SERIOUS_FLR) { 345 err = devlink_fmsg_u32_pair_put(fmsg, "Function level err func_id", 346 (u32)event->event.chip.func_id); 347 if (err) 348 return err; 349 } 350 351 err = devlink_fmsg_u8_pair_put(fmsg, "module_id", event->event.chip.node_id); 352 if (err) 353 return err; 354 355 err = devlink_fmsg_u32_pair_put(fmsg, "err_type", (u32)event->event.chip.err_type); 356 if (err) 357 return err; 358 359 err = devlink_fmsg_string_pair_put(fmsg, "err_level", level_str[fault_level]); 360 if (err) 361 return err; 362 363 err = devlink_fmsg_u32_pair_put(fmsg, "err_csr_addr", 364 event->event.chip.err_csr_addr); 365 if (err) 366 return err; 367 368 err = devlink_fmsg_u32_pair_put(fmsg, "err_csr_value", 369 event->event.chip.err_csr_value); 370 if (err) 371 return err; 372 373 return 0; 374 } 375 376 static int fault_report_show(struct devlink_fmsg *fmsg, 377 struct hinic_fault_event *event) 378 { 379 const char * const type_str[FAULT_TYPE_MAX + 1] = { 380 "chip", "ucode", "mem rd timeout", "mem wr timeout", 381 "reg rd timeout", "reg wr timeout", "phy fault", "Unknown"}; 382 u8 fault_type; 383 int err; 384 385 fault_type = (event->type < FAULT_TYPE_MAX) ? event->type : FAULT_TYPE_MAX; 386 387 err = devlink_fmsg_string_pair_put(fmsg, "Fault type", type_str[fault_type]); 388 if (err) 389 return err; 390 391 err = devlink_fmsg_binary_pair_put(fmsg, "Fault raw data", 392 event->event.val, sizeof(event->event.val)); 393 if (err) 394 return err; 395 396 switch (event->type) { 397 case FAULT_TYPE_CHIP: 398 err = chip_fault_show(fmsg, event); 399 if (err) 400 return err; 401 break; 402 case FAULT_TYPE_UCODE: 403 err = devlink_fmsg_u8_pair_put(fmsg, "Cause_id", event->event.ucode.cause_id); 404 if (err) 405 return err; 406 err = devlink_fmsg_u8_pair_put(fmsg, "core_id", event->event.ucode.core_id); 407 if (err) 408 return err; 409 err = devlink_fmsg_u8_pair_put(fmsg, "c_id", event->event.ucode.c_id); 410 if (err) 411 return err; 412 err = devlink_fmsg_u8_pair_put(fmsg, "epc", event->event.ucode.epc); 413 if (err) 414 return err; 415 break; 416 case FAULT_TYPE_MEM_RD_TIMEOUT: 417 case FAULT_TYPE_MEM_WR_TIMEOUT: 418 err = devlink_fmsg_u32_pair_put(fmsg, "Err_csr_ctrl", 419 event->event.mem_timeout.err_csr_ctrl); 420 if (err) 421 return err; 422 err = devlink_fmsg_u32_pair_put(fmsg, "err_csr_data", 423 event->event.mem_timeout.err_csr_data); 424 if (err) 425 return err; 426 err = devlink_fmsg_u32_pair_put(fmsg, "ctrl_tab", 427 event->event.mem_timeout.ctrl_tab); 428 if (err) 429 return err; 430 err = devlink_fmsg_u32_pair_put(fmsg, "mem_index", 431 event->event.mem_timeout.mem_index); 432 if (err) 433 return err; 434 break; 435 case FAULT_TYPE_REG_RD_TIMEOUT: 436 case FAULT_TYPE_REG_WR_TIMEOUT: 437 err = devlink_fmsg_u32_pair_put(fmsg, "Err_csr", event->event.reg_timeout.err_csr); 438 if (err) 439 return err; 440 break; 441 case FAULT_TYPE_PHY_FAULT: 442 err = devlink_fmsg_u8_pair_put(fmsg, "Op_type", event->event.phy_fault.op_type); 443 if (err) 444 return err; 445 err = devlink_fmsg_u8_pair_put(fmsg, "port_id", event->event.phy_fault.port_id); 446 if (err) 447 return err; 448 err = devlink_fmsg_u8_pair_put(fmsg, "dev_ad", event->event.phy_fault.dev_ad); 449 if (err) 450 return err; 451 452 err = devlink_fmsg_u32_pair_put(fmsg, "csr_addr", event->event.phy_fault.csr_addr); 453 if (err) 454 return err; 455 err = devlink_fmsg_u32_pair_put(fmsg, "op_data", event->event.phy_fault.op_data); 456 if (err) 457 return err; 458 break; 459 default: 460 break; 461 } 462 463 return 0; 464 } 465 466 static int hinic_hw_reporter_dump(struct devlink_health_reporter *reporter, 467 struct devlink_fmsg *fmsg, void *priv_ctx, 468 struct netlink_ext_ack *extack) 469 { 470 if (priv_ctx) 471 return fault_report_show(fmsg, priv_ctx); 472 473 return 0; 474 } 475 476 static int mgmt_watchdog_report_show(struct devlink_fmsg *fmsg, 477 struct hinic_mgmt_watchdog_info *watchdog_info) 478 { 479 int err; 480 481 err = devlink_fmsg_u32_pair_put(fmsg, "Mgmt deadloop time_h", watchdog_info->curr_time_h); 482 if (err) 483 return err; 484 485 err = devlink_fmsg_u32_pair_put(fmsg, "time_l", watchdog_info->curr_time_l); 486 if (err) 487 return err; 488 489 err = devlink_fmsg_u32_pair_put(fmsg, "task_id", watchdog_info->task_id); 490 if (err) 491 return err; 492 493 err = devlink_fmsg_u32_pair_put(fmsg, "sp", watchdog_info->sp); 494 if (err) 495 return err; 496 497 err = devlink_fmsg_u32_pair_put(fmsg, "stack_current_used", watchdog_info->curr_used); 498 if (err) 499 return err; 500 501 err = devlink_fmsg_u32_pair_put(fmsg, "peak_used", watchdog_info->peak_used); 502 if (err) 503 return err; 504 505 err = devlink_fmsg_u32_pair_put(fmsg, "\n Overflow_flag", watchdog_info->is_overflow); 506 if (err) 507 return err; 508 509 err = devlink_fmsg_u32_pair_put(fmsg, "stack_top", watchdog_info->stack_top); 510 if (err) 511 return err; 512 513 err = devlink_fmsg_u32_pair_put(fmsg, "stack_bottom", watchdog_info->stack_bottom); 514 if (err) 515 return err; 516 517 err = devlink_fmsg_u32_pair_put(fmsg, "mgmt_pc", watchdog_info->pc); 518 if (err) 519 return err; 520 521 err = devlink_fmsg_u32_pair_put(fmsg, "lr", watchdog_info->lr); 522 if (err) 523 return err; 524 525 err = devlink_fmsg_u32_pair_put(fmsg, "cpsr", watchdog_info->cpsr); 526 if (err) 527 return err; 528 529 err = devlink_fmsg_binary_pair_put(fmsg, "Mgmt register info", 530 watchdog_info->reg, sizeof(watchdog_info->reg)); 531 if (err) 532 return err; 533 534 err = devlink_fmsg_binary_pair_put(fmsg, "Mgmt dump stack(start from sp)", 535 watchdog_info->data, sizeof(watchdog_info->data)); 536 if (err) 537 return err; 538 539 return 0; 540 } 541 542 static int hinic_fw_reporter_dump(struct devlink_health_reporter *reporter, 543 struct devlink_fmsg *fmsg, void *priv_ctx, 544 struct netlink_ext_ack *extack) 545 { 546 if (priv_ctx) 547 return mgmt_watchdog_report_show(fmsg, priv_ctx); 548 549 return 0; 550 } 551 552 static const struct devlink_health_reporter_ops hinic_hw_fault_reporter_ops = { 553 .name = "hw", 554 .dump = hinic_hw_reporter_dump, 555 }; 556 557 static const struct devlink_health_reporter_ops hinic_fw_fault_reporter_ops = { 558 .name = "fw", 559 .dump = hinic_fw_reporter_dump, 560 }; 561 562 int hinic_health_reporters_create(struct hinic_devlink_priv *priv) 563 { 564 struct devlink *devlink = priv_to_devlink(priv); 565 566 priv->hw_fault_reporter = 567 devlink_health_reporter_create(devlink, &hinic_hw_fault_reporter_ops, 568 0, priv); 569 if (IS_ERR(priv->hw_fault_reporter)) { 570 dev_warn(&priv->hwdev->hwif->pdev->dev, "Failed to create hw fault reporter, err: %ld\n", 571 PTR_ERR(priv->hw_fault_reporter)); 572 return PTR_ERR(priv->hw_fault_reporter); 573 } 574 575 priv->fw_fault_reporter = 576 devlink_health_reporter_create(devlink, &hinic_fw_fault_reporter_ops, 577 0, priv); 578 if (IS_ERR(priv->fw_fault_reporter)) { 579 dev_warn(&priv->hwdev->hwif->pdev->dev, "Failed to create fw fault reporter, err: %ld\n", 580 PTR_ERR(priv->fw_fault_reporter)); 581 devlink_health_reporter_destroy(priv->hw_fault_reporter); 582 priv->hw_fault_reporter = NULL; 583 return PTR_ERR(priv->fw_fault_reporter); 584 } 585 586 return 0; 587 } 588 589 void hinic_health_reporters_destroy(struct hinic_devlink_priv *priv) 590 { 591 if (!IS_ERR_OR_NULL(priv->fw_fault_reporter)) { 592 devlink_health_reporter_destroy(priv->fw_fault_reporter); 593 priv->fw_fault_reporter = NULL; 594 } 595 596 if (!IS_ERR_OR_NULL(priv->hw_fault_reporter)) { 597 devlink_health_reporter_destroy(priv->hw_fault_reporter); 598 priv->hw_fault_reporter = NULL; 599 } 600 } 601