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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 | // SPDX-License-Identifier: GPL-2.0 /* * Copyright 2016-2019 HabanaLabs, Ltd. * All Rights Reserved. */ #include "habanalabs.h" #include <linux/pci.h> long hl_get_frequency(struct hl_device *hdev, u32 pll_index, bool curr) { struct cpucp_packet pkt; u32 used_pll_idx; u64 result; int rc; rc = get_used_pll_index(hdev, pll_index, &used_pll_idx); if (rc) return rc; memset(&pkt, 0, sizeof(pkt)); if (curr) pkt.ctl = cpu_to_le32(CPUCP_PACKET_FREQUENCY_CURR_GET << CPUCP_PKT_CTL_OPCODE_SHIFT); else pkt.ctl = cpu_to_le32(CPUCP_PACKET_FREQUENCY_GET << CPUCP_PKT_CTL_OPCODE_SHIFT); pkt.pll_index = cpu_to_le32((u32)used_pll_idx); rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), 0, &result); if (rc) { dev_err(hdev->dev, "Failed to get frequency of PLL %d, error %d\n", used_pll_idx, rc); return rc; } return (long) result; } void hl_set_frequency(struct hl_device *hdev, u32 pll_index, u64 freq) { struct cpucp_packet pkt; u32 used_pll_idx; int rc; rc = get_used_pll_index(hdev, pll_index, &used_pll_idx); if (rc) return; memset(&pkt, 0, sizeof(pkt)); pkt.ctl = cpu_to_le32(CPUCP_PACKET_FREQUENCY_SET << CPUCP_PKT_CTL_OPCODE_SHIFT); pkt.pll_index = cpu_to_le32((u32)used_pll_idx); pkt.value = cpu_to_le64(freq); rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), 0, NULL); if (rc) dev_err(hdev->dev, "Failed to set frequency to PLL %d, error %d\n", used_pll_idx, rc); } u64 hl_get_max_power(struct hl_device *hdev) { struct cpucp_packet pkt; u64 result; int rc; memset(&pkt, 0, sizeof(pkt)); pkt.ctl = cpu_to_le32(CPUCP_PACKET_MAX_POWER_GET << CPUCP_PKT_CTL_OPCODE_SHIFT); rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), 0, &result); if (rc) { dev_err(hdev->dev, "Failed to get max power, error %d\n", rc); return (u64) rc; } return result; } void hl_set_max_power(struct hl_device *hdev) { struct cpucp_packet pkt; int rc; memset(&pkt, 0, sizeof(pkt)); pkt.ctl = cpu_to_le32(CPUCP_PACKET_MAX_POWER_SET << CPUCP_PKT_CTL_OPCODE_SHIFT); pkt.value = cpu_to_le64(hdev->max_power); rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), 0, NULL); if (rc) dev_err(hdev->dev, "Failed to set max power, error %d\n", rc); } static ssize_t uboot_ver_show(struct device *dev, struct device_attribute *attr, char *buf) { struct hl_device *hdev = dev_get_drvdata(dev); return sprintf(buf, "%s\n", hdev->asic_prop.uboot_ver); } static ssize_t armcp_kernel_ver_show(struct device *dev, struct device_attribute *attr, char *buf) { struct hl_device *hdev = dev_get_drvdata(dev); return sprintf(buf, "%s", hdev->asic_prop.cpucp_info.kernel_version); } static ssize_t armcp_ver_show(struct device *dev, struct device_attribute *attr, char *buf) { struct hl_device *hdev = dev_get_drvdata(dev); return sprintf(buf, "%s\n", hdev->asic_prop.cpucp_info.cpucp_version); } static ssize_t cpld_ver_show(struct device *dev, struct device_attribute *attr, char *buf) { struct hl_device *hdev = dev_get_drvdata(dev); return sprintf(buf, "0x%08x\n", hdev->asic_prop.cpucp_info.cpld_version); } static ssize_t cpucp_kernel_ver_show(struct device *dev, struct device_attribute *attr, char *buf) { struct hl_device *hdev = dev_get_drvdata(dev); return sprintf(buf, "%s", hdev->asic_prop.cpucp_info.kernel_version); } static ssize_t cpucp_ver_show(struct device *dev, struct device_attribute *attr, char *buf) { struct hl_device *hdev = dev_get_drvdata(dev); return sprintf(buf, "%s\n", hdev->asic_prop.cpucp_info.cpucp_version); } static ssize_t infineon_ver_show(struct device *dev, struct device_attribute *attr, char *buf) { struct hl_device *hdev = dev_get_drvdata(dev); return sprintf(buf, "0x%04x\n", hdev->asic_prop.cpucp_info.infineon_version); } static ssize_t fuse_ver_show(struct device *dev, struct device_attribute *attr, char *buf) { struct hl_device *hdev = dev_get_drvdata(dev); return sprintf(buf, "%s\n", hdev->asic_prop.cpucp_info.fuse_version); } static ssize_t thermal_ver_show(struct device *dev, struct device_attribute *attr, char *buf) { struct hl_device *hdev = dev_get_drvdata(dev); return sprintf(buf, "%s", hdev->asic_prop.cpucp_info.thermal_version); } static ssize_t preboot_btl_ver_show(struct device *dev, struct device_attribute *attr, char *buf) { struct hl_device *hdev = dev_get_drvdata(dev); return sprintf(buf, "%s\n", hdev->asic_prop.preboot_ver); } static ssize_t soft_reset_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct hl_device *hdev = dev_get_drvdata(dev); long value; int rc; rc = kstrtoul(buf, 0, &value); if (rc) { count = -EINVAL; goto out; } if (!hdev->allow_external_soft_reset) { dev_err(hdev->dev, "Device does not support soft-reset\n"); goto out; } dev_warn(hdev->dev, "Soft-Reset requested through sysfs\n"); hl_device_reset(hdev, 0); out: return count; } static ssize_t hard_reset_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct hl_device *hdev = dev_get_drvdata(dev); long value; int rc; rc = kstrtoul(buf, 0, &value); if (rc) { count = -EINVAL; goto out; } dev_warn(hdev->dev, "Hard-Reset requested through sysfs\n"); hl_device_reset(hdev, HL_RESET_HARD); out: return count; } static ssize_t device_type_show(struct device *dev, struct device_attribute *attr, char *buf) { struct hl_device *hdev = dev_get_drvdata(dev); char *str; switch (hdev->asic_type) { case ASIC_GOYA: str = "GOYA"; break; case ASIC_GAUDI: str = "GAUDI"; break; case ASIC_GAUDI_SEC: str = "GAUDI SEC"; break; default: dev_err(hdev->dev, "Unrecognized ASIC type %d\n", hdev->asic_type); return -EINVAL; } return sprintf(buf, "%s\n", str); } static ssize_t pci_addr_show(struct device *dev, struct device_attribute *attr, char *buf) { struct hl_device *hdev = dev_get_drvdata(dev); return sprintf(buf, "%04x:%02x:%02x.%x\n", pci_domain_nr(hdev->pdev->bus), hdev->pdev->bus->number, PCI_SLOT(hdev->pdev->devfn), PCI_FUNC(hdev->pdev->devfn)); } static ssize_t status_show(struct device *dev, struct device_attribute *attr, char *buf) { struct hl_device *hdev = dev_get_drvdata(dev); char str[HL_STR_MAX]; strscpy(str, hdev->status[hl_device_status(hdev)], HL_STR_MAX); /* use uppercase for backward compatibility */ str[0] = 'A' + (str[0] - 'a'); return sprintf(buf, "%s\n", str); } static ssize_t soft_reset_cnt_show(struct device *dev, struct device_attribute *attr, char *buf) { struct hl_device *hdev = dev_get_drvdata(dev); return sprintf(buf, "%d\n", hdev->soft_reset_cnt); } static ssize_t hard_reset_cnt_show(struct device *dev, struct device_attribute *attr, char *buf) { struct hl_device *hdev = dev_get_drvdata(dev); return sprintf(buf, "%d\n", hdev->hard_reset_cnt); } static ssize_t max_power_show(struct device *dev, struct device_attribute *attr, char *buf) { struct hl_device *hdev = dev_get_drvdata(dev); long val; if (!hl_device_operational(hdev, NULL)) return -ENODEV; val = hl_get_max_power(hdev); return sprintf(buf, "%lu\n", val); } static ssize_t max_power_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct hl_device *hdev = dev_get_drvdata(dev); unsigned long value; int rc; if (!hl_device_operational(hdev, NULL)) { count = -ENODEV; goto out; } rc = kstrtoul(buf, 0, &value); if (rc) { count = -EINVAL; goto out; } hdev->max_power = value; hl_set_max_power(hdev); out: return count; } static ssize_t eeprom_read_handler(struct file *filp, struct kobject *kobj, struct bin_attribute *attr, char *buf, loff_t offset, size_t max_size) { struct device *dev = kobj_to_dev(kobj); struct hl_device *hdev = dev_get_drvdata(dev); char *data; int rc; if (!hl_device_operational(hdev, NULL)) return -ENODEV; if (!max_size) return -EINVAL; data = kzalloc(max_size, GFP_KERNEL); if (!data) return -ENOMEM; rc = hdev->asic_funcs->get_eeprom_data(hdev, data, max_size); if (rc) goto out; memcpy(buf, data, max_size); out: kfree(data); return max_size; } static DEVICE_ATTR_RO(armcp_kernel_ver); static DEVICE_ATTR_RO(armcp_ver); static DEVICE_ATTR_RO(cpld_ver); static DEVICE_ATTR_RO(cpucp_kernel_ver); static DEVICE_ATTR_RO(cpucp_ver); static DEVICE_ATTR_RO(device_type); static DEVICE_ATTR_RO(fuse_ver); static DEVICE_ATTR_WO(hard_reset); static DEVICE_ATTR_RO(hard_reset_cnt); static DEVICE_ATTR_RO(infineon_ver); static DEVICE_ATTR_RW(max_power); static DEVICE_ATTR_RO(pci_addr); static DEVICE_ATTR_RO(preboot_btl_ver); static DEVICE_ATTR_WO(soft_reset); static DEVICE_ATTR_RO(soft_reset_cnt); static DEVICE_ATTR_RO(status); static DEVICE_ATTR_RO(thermal_ver); static DEVICE_ATTR_RO(uboot_ver); static struct bin_attribute bin_attr_eeprom = { .attr = {.name = "eeprom", .mode = (0444)}, .size = PAGE_SIZE, .read = eeprom_read_handler }; static struct attribute *hl_dev_attrs[] = { &dev_attr_armcp_kernel_ver.attr, &dev_attr_armcp_ver.attr, &dev_attr_cpld_ver.attr, &dev_attr_cpucp_kernel_ver.attr, &dev_attr_cpucp_ver.attr, &dev_attr_device_type.attr, &dev_attr_fuse_ver.attr, &dev_attr_hard_reset.attr, &dev_attr_hard_reset_cnt.attr, &dev_attr_infineon_ver.attr, &dev_attr_max_power.attr, &dev_attr_pci_addr.attr, &dev_attr_preboot_btl_ver.attr, &dev_attr_soft_reset.attr, &dev_attr_soft_reset_cnt.attr, &dev_attr_status.attr, &dev_attr_thermal_ver.attr, &dev_attr_uboot_ver.attr, NULL, }; static struct bin_attribute *hl_dev_bin_attrs[] = { &bin_attr_eeprom, NULL }; static struct attribute_group hl_dev_attr_group = { .attrs = hl_dev_attrs, .bin_attrs = hl_dev_bin_attrs, }; static struct attribute_group hl_dev_clks_attr_group; static const struct attribute_group *hl_dev_attr_groups[] = { &hl_dev_attr_group, &hl_dev_clks_attr_group, NULL, }; int hl_sysfs_init(struct hl_device *hdev) { int rc; if (hdev->asic_type == ASIC_GOYA) hdev->pm_mng_profile = PM_AUTO; else hdev->pm_mng_profile = PM_MANUAL; hdev->max_power = hdev->asic_prop.max_power_default; hdev->asic_funcs->add_device_attr(hdev, &hl_dev_clks_attr_group); rc = device_add_groups(hdev->dev, hl_dev_attr_groups); if (rc) { dev_err(hdev->dev, "Failed to add groups to device, error %d\n", rc); return rc; } return 0; } void hl_sysfs_fini(struct hl_device *hdev) { device_remove_groups(hdev->dev, hl_dev_attr_groups); } |