| 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | |
| 3 | /* |
| 4 | * Copyright 2016-2022 HabanaLabs, Ltd. |
| 5 | * All Rights Reserved. |
| 6 | */ |
| 7 | |
| 8 | #include "habanalabs.h" |
| 9 | |
| 10 | #include <linux/pci.h> |
| 11 | #include <linux/types.h> |
| 12 | |
| 13 | static ssize_t clk_max_freq_mhz_show(struct device *dev, struct device_attribute *attr, char *buf) |
| 14 | { |
| 15 | struct hl_device *hdev = dev_get_drvdata(dev); |
| 16 | long value; |
| 17 | |
| 18 | if (!hl_device_operational(hdev, NULL)) |
| 19 | return -ENODEV; |
| 20 | |
| 21 | value = hl_fw_get_frequency(hdev, pll_index: hdev->asic_prop.clk_pll_index, curr: false); |
| 22 | if (value < 0) |
| 23 | return value; |
| 24 | |
| 25 | hdev->asic_prop.max_freq_value = value; |
| 26 | |
| 27 | return sprintf(buf, fmt: "%lu\n" , (value / 1000 / 1000)); |
| 28 | } |
| 29 | |
| 30 | static ssize_t clk_max_freq_mhz_store(struct device *dev, struct device_attribute *attr, |
| 31 | const char *buf, size_t count) |
| 32 | { |
| 33 | struct hl_device *hdev = dev_get_drvdata(dev); |
| 34 | int rc; |
| 35 | u64 value; |
| 36 | |
| 37 | if (!hl_device_operational(hdev, NULL)) { |
| 38 | count = -ENODEV; |
| 39 | goto fail; |
| 40 | } |
| 41 | |
| 42 | rc = kstrtoull(s: buf, base: 0, res: &value); |
| 43 | if (rc) { |
| 44 | count = -EINVAL; |
| 45 | goto fail; |
| 46 | } |
| 47 | |
| 48 | hdev->asic_prop.max_freq_value = value * 1000 * 1000; |
| 49 | |
| 50 | hl_fw_set_frequency(hdev, pll_index: hdev->asic_prop.clk_pll_index, freq: hdev->asic_prop.max_freq_value); |
| 51 | |
| 52 | fail: |
| 53 | return count; |
| 54 | } |
| 55 | |
| 56 | static ssize_t clk_cur_freq_mhz_show(struct device *dev, struct device_attribute *attr, char *buf) |
| 57 | { |
| 58 | struct hl_device *hdev = dev_get_drvdata(dev); |
| 59 | long value; |
| 60 | |
| 61 | if (!hl_device_operational(hdev, NULL)) |
| 62 | return -ENODEV; |
| 63 | |
| 64 | value = hl_fw_get_frequency(hdev, pll_index: hdev->asic_prop.clk_pll_index, curr: true); |
| 65 | if (value < 0) |
| 66 | return value; |
| 67 | |
| 68 | return sprintf(buf, fmt: "%lu\n" , (value / 1000 / 1000)); |
| 69 | } |
| 70 | |
| 71 | static DEVICE_ATTR_RW(clk_max_freq_mhz); |
| 72 | static DEVICE_ATTR_RO(clk_cur_freq_mhz); |
| 73 | |
| 74 | static struct attribute *hl_dev_clk_attrs[] = { |
| 75 | &dev_attr_clk_max_freq_mhz.attr, |
| 76 | &dev_attr_clk_cur_freq_mhz.attr, |
| 77 | NULL, |
| 78 | }; |
| 79 | |
| 80 | static ssize_t vrm_ver_show(struct device *dev, struct device_attribute *attr, char *buf) |
| 81 | { |
| 82 | struct hl_device *hdev = dev_get_drvdata(dev); |
| 83 | struct cpucp_info *cpucp_info; |
| 84 | u32 infineon_second_stage_version; |
| 85 | u32 infineon_second_stage_first_instance; |
| 86 | u32 infineon_second_stage_second_instance; |
| 87 | u32 infineon_second_stage_third_instance; |
| 88 | u32 mask = 0xff; |
| 89 | |
| 90 | cpucp_info = &hdev->asic_prop.cpucp_info; |
| 91 | |
| 92 | infineon_second_stage_version = le32_to_cpu(cpucp_info->infineon_second_stage_version); |
| 93 | infineon_second_stage_first_instance = infineon_second_stage_version & mask; |
| 94 | infineon_second_stage_second_instance = |
| 95 | (infineon_second_stage_version >> 8) & mask; |
| 96 | infineon_second_stage_third_instance = |
| 97 | (infineon_second_stage_version >> 16) & mask; |
| 98 | |
| 99 | if (cpucp_info->infineon_version && cpucp_info->infineon_second_stage_version) |
| 100 | return sprintf(buf, fmt: "%#04x %#04x:%#04x:%#04x\n" , |
| 101 | le32_to_cpu(cpucp_info->infineon_version), |
| 102 | infineon_second_stage_first_instance, |
| 103 | infineon_second_stage_second_instance, |
| 104 | infineon_second_stage_third_instance); |
| 105 | else if (cpucp_info->infineon_second_stage_version) |
| 106 | return sprintf(buf, fmt: "%#04x:%#04x:%#04x\n" , |
| 107 | infineon_second_stage_first_instance, |
| 108 | infineon_second_stage_second_instance, |
| 109 | infineon_second_stage_third_instance); |
| 110 | else if (cpucp_info->infineon_version) |
| 111 | return sprintf(buf, fmt: "%#04x\n" , le32_to_cpu(cpucp_info->infineon_version)); |
| 112 | |
| 113 | return 0; |
| 114 | } |
| 115 | |
| 116 | static DEVICE_ATTR_RO(vrm_ver); |
| 117 | |
| 118 | static struct attribute *hl_dev_vrm_attrs[] = { |
| 119 | &dev_attr_vrm_ver.attr, |
| 120 | NULL, |
| 121 | }; |
| 122 | |
| 123 | static ssize_t uboot_ver_show(struct device *dev, struct device_attribute *attr, |
| 124 | char *buf) |
| 125 | { |
| 126 | struct hl_device *hdev = dev_get_drvdata(dev); |
| 127 | |
| 128 | return sprintf(buf, fmt: "%s\n" , hdev->asic_prop.uboot_ver); |
| 129 | } |
| 130 | |
| 131 | static ssize_t armcp_kernel_ver_show(struct device *dev, |
| 132 | struct device_attribute *attr, char *buf) |
| 133 | { |
| 134 | struct hl_device *hdev = dev_get_drvdata(dev); |
| 135 | |
| 136 | return sprintf(buf, fmt: "%s" , hdev->asic_prop.cpucp_info.kernel_version); |
| 137 | } |
| 138 | |
| 139 | static ssize_t armcp_ver_show(struct device *dev, struct device_attribute *attr, |
| 140 | char *buf) |
| 141 | { |
| 142 | struct hl_device *hdev = dev_get_drvdata(dev); |
| 143 | |
| 144 | return sprintf(buf, fmt: "%s\n" , hdev->asic_prop.cpucp_info.cpucp_version); |
| 145 | } |
| 146 | |
| 147 | static ssize_t cpld_ver_show(struct device *dev, struct device_attribute *attr, |
| 148 | char *buf) |
| 149 | { |
| 150 | struct hl_device *hdev = dev_get_drvdata(dev); |
| 151 | |
| 152 | return sprintf(buf, fmt: "0x%08x%08x\n" , |
| 153 | le32_to_cpu(hdev->asic_prop.cpucp_info.cpld_timestamp), |
| 154 | le32_to_cpu(hdev->asic_prop.cpucp_info.cpld_version)); |
| 155 | } |
| 156 | |
| 157 | static ssize_t cpucp_kernel_ver_show(struct device *dev, |
| 158 | struct device_attribute *attr, char *buf) |
| 159 | { |
| 160 | struct hl_device *hdev = dev_get_drvdata(dev); |
| 161 | |
| 162 | return sprintf(buf, fmt: "%s" , hdev->asic_prop.cpucp_info.kernel_version); |
| 163 | } |
| 164 | |
| 165 | static ssize_t cpucp_ver_show(struct device *dev, struct device_attribute *attr, |
| 166 | char *buf) |
| 167 | { |
| 168 | struct hl_device *hdev = dev_get_drvdata(dev); |
| 169 | |
| 170 | return sprintf(buf, fmt: "%s\n" , hdev->asic_prop.cpucp_info.cpucp_version); |
| 171 | } |
| 172 | |
| 173 | static ssize_t fuse_ver_show(struct device *dev, struct device_attribute *attr, |
| 174 | char *buf) |
| 175 | { |
| 176 | struct hl_device *hdev = dev_get_drvdata(dev); |
| 177 | |
| 178 | return sprintf(buf, fmt: "%s\n" , hdev->asic_prop.cpucp_info.fuse_version); |
| 179 | } |
| 180 | |
| 181 | static ssize_t thermal_ver_show(struct device *dev, |
| 182 | struct device_attribute *attr, char *buf) |
| 183 | { |
| 184 | struct hl_device *hdev = dev_get_drvdata(dev); |
| 185 | |
| 186 | return sprintf(buf, fmt: "%s" , hdev->asic_prop.cpucp_info.thermal_version); |
| 187 | } |
| 188 | |
| 189 | static ssize_t fw_os_ver_show(struct device *dev, |
| 190 | struct device_attribute *attr, char *buf) |
| 191 | { |
| 192 | struct hl_device *hdev = dev_get_drvdata(dev); |
| 193 | |
| 194 | return sprintf(buf, fmt: "%s" , hdev->asic_prop.cpucp_info.fw_os_version); |
| 195 | } |
| 196 | |
| 197 | static ssize_t preboot_btl_ver_show(struct device *dev, |
| 198 | struct device_attribute *attr, char *buf) |
| 199 | { |
| 200 | struct hl_device *hdev = dev_get_drvdata(dev); |
| 201 | |
| 202 | return sprintf(buf, fmt: "%s\n" , hdev->asic_prop.preboot_ver); |
| 203 | } |
| 204 | |
| 205 | static ssize_t soft_reset_store(struct device *dev, |
| 206 | struct device_attribute *attr, const char *buf, |
| 207 | size_t count) |
| 208 | { |
| 209 | struct hl_device *hdev = dev_get_drvdata(dev); |
| 210 | long value; |
| 211 | int rc; |
| 212 | |
| 213 | rc = kstrtoul(s: buf, base: 0, res: &value); |
| 214 | |
| 215 | if (rc) { |
| 216 | count = -EINVAL; |
| 217 | goto out; |
| 218 | } |
| 219 | |
| 220 | if (!hdev->asic_prop.allow_inference_soft_reset) { |
| 221 | dev_err(hdev->dev, "Device does not support inference soft-reset\n" ); |
| 222 | goto out; |
| 223 | } |
| 224 | |
| 225 | dev_warn(hdev->dev, "Inference Soft-Reset requested through sysfs\n" ); |
| 226 | |
| 227 | hl_device_reset(hdev, flags: 0); |
| 228 | |
| 229 | out: |
| 230 | return count; |
| 231 | } |
| 232 | |
| 233 | static ssize_t hard_reset_store(struct device *dev, |
| 234 | struct device_attribute *attr, |
| 235 | const char *buf, size_t count) |
| 236 | { |
| 237 | struct hl_device *hdev = dev_get_drvdata(dev); |
| 238 | long value; |
| 239 | int rc; |
| 240 | |
| 241 | rc = kstrtoul(s: buf, base: 0, res: &value); |
| 242 | |
| 243 | if (rc) { |
| 244 | count = -EINVAL; |
| 245 | goto out; |
| 246 | } |
| 247 | |
| 248 | dev_warn(hdev->dev, "Hard-Reset requested through sysfs\n" ); |
| 249 | |
| 250 | hl_device_reset(hdev, HL_DRV_RESET_HARD); |
| 251 | |
| 252 | out: |
| 253 | return count; |
| 254 | } |
| 255 | |
| 256 | static ssize_t device_type_show(struct device *dev, |
| 257 | struct device_attribute *attr, char *buf) |
| 258 | { |
| 259 | struct hl_device *hdev = dev_get_drvdata(dev); |
| 260 | char *str; |
| 261 | |
| 262 | switch (hdev->asic_type) { |
| 263 | case ASIC_GOYA: |
| 264 | str = "GOYA" ; |
| 265 | break; |
| 266 | case ASIC_GAUDI: |
| 267 | str = "GAUDI" ; |
| 268 | break; |
| 269 | case ASIC_GAUDI_SEC: |
| 270 | str = "GAUDI SEC" ; |
| 271 | break; |
| 272 | case ASIC_GAUDI2: |
| 273 | str = "GAUDI2" ; |
| 274 | break; |
| 275 | case ASIC_GAUDI2B: |
| 276 | str = "GAUDI2B" ; |
| 277 | break; |
| 278 | case ASIC_GAUDI2C: |
| 279 | str = "GAUDI2C" ; |
| 280 | break; |
| 281 | case ASIC_GAUDI2D: |
| 282 | str = "GAUDI2D" ; |
| 283 | break; |
| 284 | default: |
| 285 | dev_err(hdev->dev, "Unrecognized ASIC type %d\n" , |
| 286 | hdev->asic_type); |
| 287 | return -EINVAL; |
| 288 | } |
| 289 | |
| 290 | return sprintf(buf, fmt: "%s\n" , str); |
| 291 | } |
| 292 | |
| 293 | static ssize_t pci_addr_show(struct device *dev, struct device_attribute *attr, |
| 294 | char *buf) |
| 295 | { |
| 296 | struct hl_device *hdev = dev_get_drvdata(dev); |
| 297 | |
| 298 | return sprintf(buf, fmt: "%04x:%02x:%02x.%x\n" , |
| 299 | pci_domain_nr(bus: hdev->pdev->bus), |
| 300 | hdev->pdev->bus->number, |
| 301 | PCI_SLOT(hdev->pdev->devfn), |
| 302 | PCI_FUNC(hdev->pdev->devfn)); |
| 303 | } |
| 304 | |
| 305 | static ssize_t status_show(struct device *dev, struct device_attribute *attr, |
| 306 | char *buf) |
| 307 | { |
| 308 | struct hl_device *hdev = dev_get_drvdata(dev); |
| 309 | char str[HL_STR_MAX]; |
| 310 | |
| 311 | strscpy(str, hdev->status[hl_device_status(hdev)], HL_STR_MAX); |
| 312 | |
| 313 | /* use uppercase for backward compatibility */ |
| 314 | str[0] = 'A' + (str[0] - 'a'); |
| 315 | |
| 316 | return sprintf(buf, fmt: "%s\n" , str); |
| 317 | } |
| 318 | |
| 319 | static ssize_t soft_reset_cnt_show(struct device *dev, |
| 320 | struct device_attribute *attr, char *buf) |
| 321 | { |
| 322 | struct hl_device *hdev = dev_get_drvdata(dev); |
| 323 | |
| 324 | return sprintf(buf, fmt: "%d\n" , hdev->reset_info.compute_reset_cnt); |
| 325 | } |
| 326 | |
| 327 | static ssize_t hard_reset_cnt_show(struct device *dev, |
| 328 | struct device_attribute *attr, char *buf) |
| 329 | { |
| 330 | struct hl_device *hdev = dev_get_drvdata(dev); |
| 331 | |
| 332 | return sprintf(buf, fmt: "%d\n" , hdev->reset_info.hard_reset_cnt); |
| 333 | } |
| 334 | |
| 335 | static ssize_t max_power_show(struct device *dev, struct device_attribute *attr, |
| 336 | char *buf) |
| 337 | { |
| 338 | struct hl_device *hdev = dev_get_drvdata(dev); |
| 339 | long val; |
| 340 | |
| 341 | if (!hl_device_operational(hdev, NULL)) |
| 342 | return -ENODEV; |
| 343 | |
| 344 | val = hl_fw_get_max_power(hdev); |
| 345 | if (val < 0) |
| 346 | return val; |
| 347 | |
| 348 | return sprintf(buf, fmt: "%lu\n" , val); |
| 349 | } |
| 350 | |
| 351 | static ssize_t max_power_store(struct device *dev, |
| 352 | struct device_attribute *attr, const char *buf, size_t count) |
| 353 | { |
| 354 | struct hl_device *hdev = dev_get_drvdata(dev); |
| 355 | unsigned long value; |
| 356 | int rc; |
| 357 | |
| 358 | if (!hl_device_operational(hdev, NULL)) { |
| 359 | count = -ENODEV; |
| 360 | goto out; |
| 361 | } |
| 362 | |
| 363 | rc = kstrtoul(s: buf, base: 0, res: &value); |
| 364 | |
| 365 | if (rc) { |
| 366 | count = -EINVAL; |
| 367 | goto out; |
| 368 | } |
| 369 | |
| 370 | hdev->max_power = value; |
| 371 | hl_fw_set_max_power(hdev); |
| 372 | |
| 373 | out: |
| 374 | return count; |
| 375 | } |
| 376 | |
| 377 | static ssize_t eeprom_read_handler(struct file *filp, struct kobject *kobj, |
| 378 | const struct bin_attribute *attr, char *buf, loff_t offset, |
| 379 | size_t max_size) |
| 380 | { |
| 381 | struct device *dev = kobj_to_dev(kobj); |
| 382 | struct hl_device *hdev = dev_get_drvdata(dev); |
| 383 | char *data; |
| 384 | int rc; |
| 385 | |
| 386 | if (!hl_device_operational(hdev, NULL)) |
| 387 | return -ENODEV; |
| 388 | |
| 389 | if (!max_size) |
| 390 | return -EINVAL; |
| 391 | |
| 392 | data = kzalloc(max_size, GFP_KERNEL); |
| 393 | if (!data) |
| 394 | return -ENOMEM; |
| 395 | |
| 396 | rc = hdev->asic_funcs->get_eeprom_data(hdev, data, max_size); |
| 397 | if (rc) |
| 398 | goto out; |
| 399 | |
| 400 | memcpy(buf, data, max_size); |
| 401 | |
| 402 | out: |
| 403 | kfree(objp: data); |
| 404 | |
| 405 | return max_size; |
| 406 | } |
| 407 | |
| 408 | static ssize_t security_enabled_show(struct device *dev, |
| 409 | struct device_attribute *attr, char *buf) |
| 410 | { |
| 411 | struct hl_device *hdev = dev_get_drvdata(dev); |
| 412 | |
| 413 | return sprintf(buf, fmt: "%d\n" , hdev->asic_prop.fw_security_enabled); |
| 414 | } |
| 415 | |
| 416 | static ssize_t module_id_show(struct device *dev, |
| 417 | struct device_attribute *attr, char *buf) |
| 418 | { |
| 419 | struct hl_device *hdev = dev_get_drvdata(dev); |
| 420 | |
| 421 | return sprintf(buf, fmt: "%u\n" , le32_to_cpu(hdev->asic_prop.cpucp_info.card_location)); |
| 422 | } |
| 423 | |
| 424 | static ssize_t parent_device_show(struct device *dev, struct device_attribute *attr, char *buf) |
| 425 | { |
| 426 | struct hl_device *hdev = dev_get_drvdata(dev); |
| 427 | |
| 428 | return sprintf(buf, fmt: "%s\n" , HL_DEV_NAME(hdev)); |
| 429 | } |
| 430 | |
| 431 | static DEVICE_ATTR_RO(armcp_kernel_ver); |
| 432 | static DEVICE_ATTR_RO(armcp_ver); |
| 433 | static DEVICE_ATTR_RO(cpld_ver); |
| 434 | static DEVICE_ATTR_RO(cpucp_kernel_ver); |
| 435 | static DEVICE_ATTR_RO(cpucp_ver); |
| 436 | static DEVICE_ATTR_RO(device_type); |
| 437 | static DEVICE_ATTR_RO(fuse_ver); |
| 438 | static DEVICE_ATTR_WO(hard_reset); |
| 439 | static DEVICE_ATTR_RO(hard_reset_cnt); |
| 440 | static DEVICE_ATTR_RW(max_power); |
| 441 | static DEVICE_ATTR_RO(pci_addr); |
| 442 | static DEVICE_ATTR_RO(preboot_btl_ver); |
| 443 | static DEVICE_ATTR_WO(soft_reset); |
| 444 | static DEVICE_ATTR_RO(soft_reset_cnt); |
| 445 | static DEVICE_ATTR_RO(status); |
| 446 | static DEVICE_ATTR_RO(thermal_ver); |
| 447 | static DEVICE_ATTR_RO(uboot_ver); |
| 448 | static DEVICE_ATTR_RO(fw_os_ver); |
| 449 | static DEVICE_ATTR_RO(security_enabled); |
| 450 | static DEVICE_ATTR_RO(module_id); |
| 451 | static DEVICE_ATTR_RO(parent_device); |
| 452 | |
| 453 | static const struct bin_attribute bin_attr_eeprom = { |
| 454 | .attr = {.name = "eeprom" , .mode = (0444)}, |
| 455 | .size = PAGE_SIZE, |
| 456 | .read = eeprom_read_handler |
| 457 | }; |
| 458 | |
| 459 | static struct attribute *hl_dev_attrs[] = { |
| 460 | &dev_attr_armcp_kernel_ver.attr, |
| 461 | &dev_attr_armcp_ver.attr, |
| 462 | &dev_attr_cpld_ver.attr, |
| 463 | &dev_attr_cpucp_kernel_ver.attr, |
| 464 | &dev_attr_cpucp_ver.attr, |
| 465 | &dev_attr_device_type.attr, |
| 466 | &dev_attr_fuse_ver.attr, |
| 467 | &dev_attr_hard_reset.attr, |
| 468 | &dev_attr_hard_reset_cnt.attr, |
| 469 | &dev_attr_max_power.attr, |
| 470 | &dev_attr_pci_addr.attr, |
| 471 | &dev_attr_preboot_btl_ver.attr, |
| 472 | &dev_attr_status.attr, |
| 473 | &dev_attr_thermal_ver.attr, |
| 474 | &dev_attr_uboot_ver.attr, |
| 475 | &dev_attr_fw_os_ver.attr, |
| 476 | &dev_attr_security_enabled.attr, |
| 477 | &dev_attr_module_id.attr, |
| 478 | &dev_attr_parent_device.attr, |
| 479 | NULL, |
| 480 | }; |
| 481 | |
| 482 | static const struct bin_attribute *const hl_dev_bin_attrs[] = { |
| 483 | &bin_attr_eeprom, |
| 484 | NULL |
| 485 | }; |
| 486 | |
| 487 | static struct attribute_group hl_dev_attr_group = { |
| 488 | .attrs = hl_dev_attrs, |
| 489 | .bin_attrs = hl_dev_bin_attrs, |
| 490 | }; |
| 491 | |
| 492 | static struct attribute_group hl_dev_clks_attr_group; |
| 493 | static struct attribute_group hl_dev_vrm_attr_group; |
| 494 | |
| 495 | static const struct attribute_group *hl_dev_attr_groups[] = { |
| 496 | &hl_dev_attr_group, |
| 497 | &hl_dev_clks_attr_group, |
| 498 | &hl_dev_vrm_attr_group, |
| 499 | NULL, |
| 500 | }; |
| 501 | |
| 502 | static struct attribute *hl_dev_inference_attrs[] = { |
| 503 | &dev_attr_soft_reset.attr, |
| 504 | &dev_attr_soft_reset_cnt.attr, |
| 505 | NULL, |
| 506 | }; |
| 507 | |
| 508 | static struct attribute_group hl_dev_inference_attr_group = { |
| 509 | .attrs = hl_dev_inference_attrs, |
| 510 | }; |
| 511 | |
| 512 | static const struct attribute_group *hl_dev_inference_attr_groups[] = { |
| 513 | &hl_dev_inference_attr_group, |
| 514 | NULL, |
| 515 | }; |
| 516 | |
| 517 | void hl_sysfs_add_dev_clk_attr(struct hl_device *hdev, struct attribute_group *dev_clk_attr_grp) |
| 518 | { |
| 519 | dev_clk_attr_grp->attrs = hl_dev_clk_attrs; |
| 520 | } |
| 521 | |
| 522 | void hl_sysfs_add_dev_vrm_attr(struct hl_device *hdev, struct attribute_group *dev_vrm_attr_grp) |
| 523 | { |
| 524 | dev_vrm_attr_grp->attrs = hl_dev_vrm_attrs; |
| 525 | } |
| 526 | |
| 527 | int hl_sysfs_init(struct hl_device *hdev) |
| 528 | { |
| 529 | int rc; |
| 530 | |
| 531 | hdev->max_power = hdev->asic_prop.max_power_default; |
| 532 | |
| 533 | hdev->asic_funcs->add_device_attr(hdev, &hl_dev_clks_attr_group, &hl_dev_vrm_attr_group); |
| 534 | |
| 535 | rc = device_add_groups(dev: hdev->dev, groups: hl_dev_attr_groups); |
| 536 | if (rc) { |
| 537 | dev_err(hdev->dev, |
| 538 | "Failed to add groups to device, error %d\n" , rc); |
| 539 | return rc; |
| 540 | } |
| 541 | |
| 542 | if (!hdev->asic_prop.allow_inference_soft_reset) |
| 543 | return 0; |
| 544 | |
| 545 | rc = device_add_groups(dev: hdev->dev, groups: hl_dev_inference_attr_groups); |
| 546 | if (rc) { |
| 547 | dev_err(hdev->dev, |
| 548 | "Failed to add groups to device, error %d\n" , rc); |
| 549 | goto remove_groups; |
| 550 | } |
| 551 | |
| 552 | return 0; |
| 553 | |
| 554 | remove_groups: |
| 555 | device_remove_groups(dev: hdev->dev, groups: hl_dev_attr_groups); |
| 556 | return rc; |
| 557 | } |
| 558 | |
| 559 | void hl_sysfs_fini(struct hl_device *hdev) |
| 560 | { |
| 561 | device_remove_groups(dev: hdev->dev, groups: hl_dev_attr_groups); |
| 562 | |
| 563 | if (!hdev->asic_prop.allow_inference_soft_reset) |
| 564 | return; |
| 565 | |
| 566 | device_remove_groups(dev: hdev->dev, groups: hl_dev_inference_attr_groups); |
| 567 | } |
| 568 | |