1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (C) 2020-2024 Intel Corporation 4 */ 5 6 #include <linux/firmware.h> 7 #include <linux/module.h> 8 #include <linux/pci.h> 9 #include <linux/pm_runtime.h> 10 #include <generated/utsrelease.h> 11 12 #include <drm/drm_accel.h> 13 #include <drm/drm_file.h> 14 #include <drm/drm_gem.h> 15 #include <drm/drm_ioctl.h> 16 #include <drm/drm_prime.h> 17 18 #include "ivpu_coredump.h" 19 #include "ivpu_debugfs.h" 20 #include "ivpu_drv.h" 21 #include "ivpu_fw.h" 22 #include "ivpu_fw_log.h" 23 #include "ivpu_gem.h" 24 #include "ivpu_hw.h" 25 #include "ivpu_ipc.h" 26 #include "ivpu_job.h" 27 #include "ivpu_jsm_msg.h" 28 #include "ivpu_mmu.h" 29 #include "ivpu_mmu_context.h" 30 #include "ivpu_ms.h" 31 #include "ivpu_pm.h" 32 #include "ivpu_sysfs.h" 33 #include "vpu_boot_api.h" 34 35 #ifndef DRIVER_VERSION_STR 36 #define DRIVER_VERSION_STR "1.0.0 " UTS_RELEASE 37 #endif 38 39 static struct lock_class_key submitted_jobs_xa_lock_class_key; 40 41 int ivpu_dbg_mask; 42 module_param_named(dbg_mask, ivpu_dbg_mask, int, 0644); 43 MODULE_PARM_DESC(dbg_mask, "Driver debug mask. See IVPU_DBG_* macros."); 44 45 int ivpu_test_mode; 46 #if IS_ENABLED(CONFIG_DRM_ACCEL_IVPU_DEBUG) 47 module_param_named_unsafe(test_mode, ivpu_test_mode, int, 0644); 48 MODULE_PARM_DESC(test_mode, "Test mode mask. See IVPU_TEST_MODE_* macros."); 49 #endif 50 51 u8 ivpu_pll_min_ratio; 52 module_param_named(pll_min_ratio, ivpu_pll_min_ratio, byte, 0644); 53 MODULE_PARM_DESC(pll_min_ratio, "Minimum PLL ratio used to set NPU frequency"); 54 55 u8 ivpu_pll_max_ratio = U8_MAX; 56 module_param_named(pll_max_ratio, ivpu_pll_max_ratio, byte, 0644); 57 MODULE_PARM_DESC(pll_max_ratio, "Maximum PLL ratio used to set NPU frequency"); 58 59 int ivpu_sched_mode = IVPU_SCHED_MODE_AUTO; 60 module_param_named(sched_mode, ivpu_sched_mode, int, 0444); 61 MODULE_PARM_DESC(sched_mode, "Scheduler mode: -1 - Use default scheduler, 0 - Use OS scheduler, 1 - Use HW scheduler"); 62 63 bool ivpu_disable_mmu_cont_pages; 64 module_param_named(disable_mmu_cont_pages, ivpu_disable_mmu_cont_pages, bool, 0444); 65 MODULE_PARM_DESC(disable_mmu_cont_pages, "Disable MMU contiguous pages optimization"); 66 67 bool ivpu_force_snoop; 68 module_param_named(force_snoop, ivpu_force_snoop, bool, 0444); 69 MODULE_PARM_DESC(force_snoop, "Force snooping for NPU host memory access"); 70 71 struct ivpu_file_priv *ivpu_file_priv_get(struct ivpu_file_priv *file_priv) 72 { 73 struct ivpu_device *vdev = file_priv->vdev; 74 75 kref_get(&file_priv->ref); 76 77 ivpu_dbg(vdev, KREF, "file_priv get: ctx %u refcount %u\n", 78 file_priv->ctx.id, kref_read(&file_priv->ref)); 79 80 return file_priv; 81 } 82 83 static void file_priv_unbind(struct ivpu_device *vdev, struct ivpu_file_priv *file_priv) 84 { 85 mutex_lock(&file_priv->lock); 86 if (file_priv->bound) { 87 ivpu_dbg(vdev, FILE, "file_priv unbind: ctx %u\n", file_priv->ctx.id); 88 89 ivpu_cmdq_release_all_locked(file_priv); 90 ivpu_bo_unbind_all_bos_from_context(vdev, &file_priv->ctx); 91 ivpu_mmu_context_fini(vdev, &file_priv->ctx); 92 file_priv->bound = false; 93 drm_WARN_ON(&vdev->drm, !xa_erase_irq(&vdev->context_xa, file_priv->ctx.id)); 94 } 95 mutex_unlock(&file_priv->lock); 96 } 97 98 static void file_priv_release(struct kref *ref) 99 { 100 struct ivpu_file_priv *file_priv = container_of(ref, struct ivpu_file_priv, ref); 101 struct ivpu_device *vdev = file_priv->vdev; 102 103 ivpu_dbg(vdev, FILE, "file_priv release: ctx %u bound %d\n", 104 file_priv->ctx.id, (bool)file_priv->bound); 105 106 pm_runtime_get_sync(vdev->drm.dev); 107 mutex_lock(&vdev->context_list_lock); 108 file_priv_unbind(vdev, file_priv); 109 drm_WARN_ON(&vdev->drm, !xa_empty(&file_priv->cmdq_xa)); 110 xa_destroy(&file_priv->cmdq_xa); 111 mutex_unlock(&vdev->context_list_lock); 112 pm_runtime_put_autosuspend(vdev->drm.dev); 113 114 mutex_destroy(&file_priv->ms_lock); 115 mutex_destroy(&file_priv->lock); 116 kfree(file_priv); 117 } 118 119 void ivpu_file_priv_put(struct ivpu_file_priv **link) 120 { 121 struct ivpu_file_priv *file_priv = *link; 122 struct ivpu_device *vdev = file_priv->vdev; 123 124 ivpu_dbg(vdev, KREF, "file_priv put: ctx %u refcount %u\n", 125 file_priv->ctx.id, kref_read(&file_priv->ref)); 126 127 *link = NULL; 128 kref_put(&file_priv->ref, file_priv_release); 129 } 130 131 static int ivpu_get_capabilities(struct ivpu_device *vdev, struct drm_ivpu_param *args) 132 { 133 switch (args->index) { 134 case DRM_IVPU_CAP_METRIC_STREAMER: 135 args->value = 1; 136 break; 137 case DRM_IVPU_CAP_DMA_MEMORY_RANGE: 138 args->value = 1; 139 break; 140 default: 141 return -EINVAL; 142 } 143 144 return 0; 145 } 146 147 static int ivpu_get_param_ioctl(struct drm_device *dev, void *data, struct drm_file *file) 148 { 149 struct ivpu_file_priv *file_priv = file->driver_priv; 150 struct ivpu_device *vdev = file_priv->vdev; 151 struct pci_dev *pdev = to_pci_dev(vdev->drm.dev); 152 struct drm_ivpu_param *args = data; 153 int ret = 0; 154 int idx; 155 156 if (!drm_dev_enter(dev, &idx)) 157 return -ENODEV; 158 159 switch (args->param) { 160 case DRM_IVPU_PARAM_DEVICE_ID: 161 args->value = pdev->device; 162 break; 163 case DRM_IVPU_PARAM_DEVICE_REVISION: 164 args->value = pdev->revision; 165 break; 166 case DRM_IVPU_PARAM_PLATFORM_TYPE: 167 args->value = vdev->platform; 168 break; 169 case DRM_IVPU_PARAM_CORE_CLOCK_RATE: 170 args->value = ivpu_hw_ratio_to_freq(vdev, vdev->hw->pll.max_ratio); 171 break; 172 case DRM_IVPU_PARAM_NUM_CONTEXTS: 173 args->value = ivpu_get_context_count(vdev); 174 break; 175 case DRM_IVPU_PARAM_CONTEXT_BASE_ADDRESS: 176 args->value = vdev->hw->ranges.user.start; 177 break; 178 case DRM_IVPU_PARAM_CONTEXT_ID: 179 args->value = file_priv->ctx.id; 180 break; 181 case DRM_IVPU_PARAM_FW_API_VERSION: 182 if (args->index < VPU_FW_API_VER_NUM) { 183 struct vpu_firmware_header *fw_hdr; 184 185 fw_hdr = (struct vpu_firmware_header *)vdev->fw->file->data; 186 args->value = fw_hdr->api_version[args->index]; 187 } else { 188 ret = -EINVAL; 189 } 190 break; 191 case DRM_IVPU_PARAM_ENGINE_HEARTBEAT: 192 ret = ivpu_jsm_get_heartbeat(vdev, args->index, &args->value); 193 break; 194 case DRM_IVPU_PARAM_UNIQUE_INFERENCE_ID: 195 args->value = (u64)atomic64_inc_return(&vdev->unique_id_counter); 196 break; 197 case DRM_IVPU_PARAM_TILE_CONFIG: 198 args->value = vdev->hw->tile_fuse; 199 break; 200 case DRM_IVPU_PARAM_SKU: 201 args->value = vdev->hw->sku; 202 break; 203 case DRM_IVPU_PARAM_CAPABILITIES: 204 ret = ivpu_get_capabilities(vdev, args); 205 break; 206 default: 207 ret = -EINVAL; 208 break; 209 } 210 211 drm_dev_exit(idx); 212 return ret; 213 } 214 215 static int ivpu_set_param_ioctl(struct drm_device *dev, void *data, struct drm_file *file) 216 { 217 struct drm_ivpu_param *args = data; 218 int ret = 0; 219 220 switch (args->param) { 221 default: 222 ret = -EINVAL; 223 } 224 225 return ret; 226 } 227 228 static int ivpu_open(struct drm_device *dev, struct drm_file *file) 229 { 230 struct ivpu_device *vdev = to_ivpu_device(dev); 231 struct ivpu_file_priv *file_priv; 232 u32 ctx_id; 233 int idx, ret; 234 235 if (!drm_dev_enter(dev, &idx)) 236 return -ENODEV; 237 238 file_priv = kzalloc(sizeof(*file_priv), GFP_KERNEL); 239 if (!file_priv) { 240 ret = -ENOMEM; 241 goto err_dev_exit; 242 } 243 244 INIT_LIST_HEAD(&file_priv->ms_instance_list); 245 246 file_priv->vdev = vdev; 247 file_priv->bound = true; 248 kref_init(&file_priv->ref); 249 mutex_init(&file_priv->lock); 250 mutex_init(&file_priv->ms_lock); 251 252 mutex_lock(&vdev->context_list_lock); 253 254 ret = xa_alloc_irq(&vdev->context_xa, &ctx_id, file_priv, 255 vdev->context_xa_limit, GFP_KERNEL); 256 if (ret) { 257 ivpu_err(vdev, "Failed to allocate context id: %d\n", ret); 258 goto err_unlock; 259 } 260 261 ivpu_mmu_context_init(vdev, &file_priv->ctx, ctx_id); 262 263 file_priv->job_limit.min = FIELD_PREP(IVPU_JOB_ID_CONTEXT_MASK, (file_priv->ctx.id - 1)); 264 file_priv->job_limit.max = file_priv->job_limit.min | IVPU_JOB_ID_JOB_MASK; 265 266 xa_init_flags(&file_priv->cmdq_xa, XA_FLAGS_ALLOC1); 267 file_priv->cmdq_limit.min = IVPU_CMDQ_MIN_ID; 268 file_priv->cmdq_limit.max = IVPU_CMDQ_MAX_ID; 269 270 mutex_unlock(&vdev->context_list_lock); 271 drm_dev_exit(idx); 272 273 file->driver_priv = file_priv; 274 275 ivpu_dbg(vdev, FILE, "file_priv create: ctx %u process %s pid %d\n", 276 ctx_id, current->comm, task_pid_nr(current)); 277 278 return 0; 279 280 err_unlock: 281 mutex_unlock(&vdev->context_list_lock); 282 mutex_destroy(&file_priv->ms_lock); 283 mutex_destroy(&file_priv->lock); 284 kfree(file_priv); 285 err_dev_exit: 286 drm_dev_exit(idx); 287 return ret; 288 } 289 290 static void ivpu_postclose(struct drm_device *dev, struct drm_file *file) 291 { 292 struct ivpu_file_priv *file_priv = file->driver_priv; 293 struct ivpu_device *vdev = to_ivpu_device(dev); 294 295 ivpu_dbg(vdev, FILE, "file_priv close: ctx %u process %s pid %d\n", 296 file_priv->ctx.id, current->comm, task_pid_nr(current)); 297 298 ivpu_ms_cleanup(file_priv); 299 ivpu_file_priv_put(&file_priv); 300 } 301 302 static const struct drm_ioctl_desc ivpu_drm_ioctls[] = { 303 DRM_IOCTL_DEF_DRV(IVPU_GET_PARAM, ivpu_get_param_ioctl, 0), 304 DRM_IOCTL_DEF_DRV(IVPU_SET_PARAM, ivpu_set_param_ioctl, 0), 305 DRM_IOCTL_DEF_DRV(IVPU_BO_CREATE, ivpu_bo_create_ioctl, 0), 306 DRM_IOCTL_DEF_DRV(IVPU_BO_INFO, ivpu_bo_info_ioctl, 0), 307 DRM_IOCTL_DEF_DRV(IVPU_SUBMIT, ivpu_submit_ioctl, 0), 308 DRM_IOCTL_DEF_DRV(IVPU_BO_WAIT, ivpu_bo_wait_ioctl, 0), 309 DRM_IOCTL_DEF_DRV(IVPU_METRIC_STREAMER_START, ivpu_ms_start_ioctl, 0), 310 DRM_IOCTL_DEF_DRV(IVPU_METRIC_STREAMER_GET_DATA, ivpu_ms_get_data_ioctl, 0), 311 DRM_IOCTL_DEF_DRV(IVPU_METRIC_STREAMER_STOP, ivpu_ms_stop_ioctl, 0), 312 DRM_IOCTL_DEF_DRV(IVPU_METRIC_STREAMER_GET_INFO, ivpu_ms_get_info_ioctl, 0), 313 }; 314 315 static int ivpu_wait_for_ready(struct ivpu_device *vdev) 316 { 317 struct ivpu_ipc_consumer cons; 318 struct ivpu_ipc_hdr ipc_hdr; 319 unsigned long timeout; 320 int ret; 321 322 if (ivpu_test_mode & IVPU_TEST_MODE_FW_TEST) 323 return 0; 324 325 ivpu_ipc_consumer_add(vdev, &cons, IVPU_IPC_CHAN_BOOT_MSG, NULL); 326 327 timeout = jiffies + msecs_to_jiffies(vdev->timeout.boot); 328 while (1) { 329 ivpu_ipc_irq_handler(vdev); 330 ret = ivpu_ipc_receive(vdev, &cons, &ipc_hdr, NULL, 0); 331 if (ret != -ETIMEDOUT || time_after_eq(jiffies, timeout)) 332 break; 333 334 cond_resched(); 335 } 336 337 ivpu_ipc_consumer_del(vdev, &cons); 338 339 if (!ret && ipc_hdr.data_addr != IVPU_IPC_BOOT_MSG_DATA_ADDR) { 340 ivpu_err(vdev, "Invalid NPU ready message: 0x%x\n", 341 ipc_hdr.data_addr); 342 return -EIO; 343 } 344 345 if (!ret) 346 ivpu_dbg(vdev, PM, "NPU ready message received successfully\n"); 347 348 return ret; 349 } 350 351 static int ivpu_hw_sched_init(struct ivpu_device *vdev) 352 { 353 int ret = 0; 354 355 if (vdev->fw->sched_mode == VPU_SCHEDULING_MODE_HW) { 356 ret = ivpu_jsm_hws_setup_priority_bands(vdev); 357 if (ret) { 358 ivpu_err(vdev, "Failed to enable hw scheduler: %d", ret); 359 return ret; 360 } 361 } 362 363 return ret; 364 } 365 366 /** 367 * ivpu_boot() - Start VPU firmware 368 * @vdev: VPU device 369 * 370 * This function is paired with ivpu_shutdown() but it doesn't power up the 371 * VPU because power up has to be called very early in ivpu_probe(). 372 */ 373 int ivpu_boot(struct ivpu_device *vdev) 374 { 375 int ret; 376 377 /* Update boot params located at first 4KB of FW memory */ 378 ivpu_fw_boot_params_setup(vdev, ivpu_bo_vaddr(vdev->fw->mem)); 379 380 ret = ivpu_hw_boot_fw(vdev); 381 if (ret) { 382 ivpu_err(vdev, "Failed to start the firmware: %d\n", ret); 383 return ret; 384 } 385 386 ret = ivpu_wait_for_ready(vdev); 387 if (ret) { 388 ivpu_err(vdev, "Failed to boot the firmware: %d\n", ret); 389 goto err_diagnose_failure; 390 } 391 392 ivpu_hw_irq_clear(vdev); 393 enable_irq(vdev->irq); 394 ivpu_hw_irq_enable(vdev); 395 ivpu_ipc_enable(vdev); 396 397 if (ivpu_fw_is_cold_boot(vdev)) { 398 ret = ivpu_pm_dct_init(vdev); 399 if (ret) 400 goto err_diagnose_failure; 401 402 ret = ivpu_hw_sched_init(vdev); 403 if (ret) 404 goto err_diagnose_failure; 405 } 406 407 return 0; 408 409 err_diagnose_failure: 410 ivpu_hw_diagnose_failure(vdev); 411 ivpu_mmu_evtq_dump(vdev); 412 ivpu_dev_coredump(vdev); 413 return ret; 414 } 415 416 void ivpu_prepare_for_reset(struct ivpu_device *vdev) 417 { 418 ivpu_hw_irq_disable(vdev); 419 disable_irq(vdev->irq); 420 ivpu_ipc_disable(vdev); 421 ivpu_mmu_disable(vdev); 422 } 423 424 int ivpu_shutdown(struct ivpu_device *vdev) 425 { 426 int ret; 427 428 /* Save PCI state before powering down as it sometimes gets corrupted if NPU hangs */ 429 pci_save_state(to_pci_dev(vdev->drm.dev)); 430 431 ret = ivpu_hw_power_down(vdev); 432 if (ret) 433 ivpu_warn(vdev, "Failed to power down HW: %d\n", ret); 434 435 pci_set_power_state(to_pci_dev(vdev->drm.dev), PCI_D3hot); 436 437 return ret; 438 } 439 440 static const struct file_operations ivpu_fops = { 441 .owner = THIS_MODULE, 442 DRM_ACCEL_FOPS, 443 }; 444 445 static const struct drm_driver driver = { 446 .driver_features = DRIVER_GEM | DRIVER_COMPUTE_ACCEL, 447 448 .open = ivpu_open, 449 .postclose = ivpu_postclose, 450 451 .gem_create_object = ivpu_gem_create_object, 452 .gem_prime_import_sg_table = drm_gem_shmem_prime_import_sg_table, 453 454 .ioctls = ivpu_drm_ioctls, 455 .num_ioctls = ARRAY_SIZE(ivpu_drm_ioctls), 456 .fops = &ivpu_fops, 457 458 .name = DRIVER_NAME, 459 .desc = DRIVER_DESC, 460 461 #ifdef DRIVER_DATE 462 .date = DRIVER_DATE, 463 .major = DRIVER_MAJOR, 464 .minor = DRIVER_MINOR, 465 .patchlevel = DRIVER_PATCHLEVEL, 466 #else 467 .date = UTS_RELEASE, 468 .major = 1, 469 #endif 470 }; 471 472 static void ivpu_context_abort_invalid(struct ivpu_device *vdev) 473 { 474 struct ivpu_file_priv *file_priv; 475 unsigned long ctx_id; 476 477 mutex_lock(&vdev->context_list_lock); 478 479 xa_for_each(&vdev->context_xa, ctx_id, file_priv) { 480 if (!file_priv->has_mmu_faults || file_priv->aborted) 481 continue; 482 483 mutex_lock(&file_priv->lock); 484 ivpu_context_abort_locked(file_priv); 485 file_priv->aborted = true; 486 mutex_unlock(&file_priv->lock); 487 } 488 489 mutex_unlock(&vdev->context_list_lock); 490 } 491 492 static irqreturn_t ivpu_irq_thread_handler(int irq, void *arg) 493 { 494 struct ivpu_device *vdev = arg; 495 u8 irq_src; 496 497 if (kfifo_is_empty(&vdev->hw->irq.fifo)) 498 return IRQ_NONE; 499 500 while (kfifo_get(&vdev->hw->irq.fifo, &irq_src)) { 501 switch (irq_src) { 502 case IVPU_HW_IRQ_SRC_IPC: 503 ivpu_ipc_irq_thread_handler(vdev); 504 break; 505 case IVPU_HW_IRQ_SRC_MMU_EVTQ: 506 ivpu_context_abort_invalid(vdev); 507 break; 508 case IVPU_HW_IRQ_SRC_DCT: 509 ivpu_pm_dct_irq_thread_handler(vdev); 510 break; 511 default: 512 ivpu_err_ratelimited(vdev, "Unknown IRQ source: %u\n", irq_src); 513 break; 514 } 515 } 516 517 return IRQ_HANDLED; 518 } 519 520 static int ivpu_irq_init(struct ivpu_device *vdev) 521 { 522 struct pci_dev *pdev = to_pci_dev(vdev->drm.dev); 523 int ret; 524 525 ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSI | PCI_IRQ_MSIX); 526 if (ret < 0) { 527 ivpu_err(vdev, "Failed to allocate a MSI IRQ: %d\n", ret); 528 return ret; 529 } 530 531 ivpu_irq_handlers_init(vdev); 532 533 vdev->irq = pci_irq_vector(pdev, 0); 534 535 ret = devm_request_threaded_irq(vdev->drm.dev, vdev->irq, ivpu_hw_irq_handler, 536 ivpu_irq_thread_handler, IRQF_NO_AUTOEN, DRIVER_NAME, vdev); 537 if (ret) 538 ivpu_err(vdev, "Failed to request an IRQ %d\n", ret); 539 540 return ret; 541 } 542 543 static int ivpu_pci_init(struct ivpu_device *vdev) 544 { 545 struct pci_dev *pdev = to_pci_dev(vdev->drm.dev); 546 struct resource *bar0 = &pdev->resource[0]; 547 struct resource *bar4 = &pdev->resource[4]; 548 int ret; 549 550 ivpu_dbg(vdev, MISC, "Mapping BAR0 (RegV) %pR\n", bar0); 551 vdev->regv = devm_ioremap_resource(vdev->drm.dev, bar0); 552 if (IS_ERR(vdev->regv)) { 553 ivpu_err(vdev, "Failed to map bar 0: %pe\n", vdev->regv); 554 return PTR_ERR(vdev->regv); 555 } 556 557 ivpu_dbg(vdev, MISC, "Mapping BAR4 (RegB) %pR\n", bar4); 558 vdev->regb = devm_ioremap_resource(vdev->drm.dev, bar4); 559 if (IS_ERR(vdev->regb)) { 560 ivpu_err(vdev, "Failed to map bar 4: %pe\n", vdev->regb); 561 return PTR_ERR(vdev->regb); 562 } 563 564 ret = dma_set_mask_and_coherent(vdev->drm.dev, DMA_BIT_MASK(vdev->hw->dma_bits)); 565 if (ret) { 566 ivpu_err(vdev, "Failed to set DMA mask: %d\n", ret); 567 return ret; 568 } 569 dma_set_max_seg_size(vdev->drm.dev, UINT_MAX); 570 571 /* Clear any pending errors */ 572 pcie_capability_clear_word(pdev, PCI_EXP_DEVSTA, 0x3f); 573 574 /* NPU does not require 10m D3hot delay */ 575 pdev->d3hot_delay = 0; 576 577 ret = pcim_enable_device(pdev); 578 if (ret) { 579 ivpu_err(vdev, "Failed to enable PCI device: %d\n", ret); 580 return ret; 581 } 582 583 pci_set_master(pdev); 584 585 return 0; 586 } 587 588 static int ivpu_dev_init(struct ivpu_device *vdev) 589 { 590 int ret; 591 592 vdev->hw = drmm_kzalloc(&vdev->drm, sizeof(*vdev->hw), GFP_KERNEL); 593 if (!vdev->hw) 594 return -ENOMEM; 595 596 vdev->mmu = drmm_kzalloc(&vdev->drm, sizeof(*vdev->mmu), GFP_KERNEL); 597 if (!vdev->mmu) 598 return -ENOMEM; 599 600 vdev->fw = drmm_kzalloc(&vdev->drm, sizeof(*vdev->fw), GFP_KERNEL); 601 if (!vdev->fw) 602 return -ENOMEM; 603 604 vdev->ipc = drmm_kzalloc(&vdev->drm, sizeof(*vdev->ipc), GFP_KERNEL); 605 if (!vdev->ipc) 606 return -ENOMEM; 607 608 vdev->pm = drmm_kzalloc(&vdev->drm, sizeof(*vdev->pm), GFP_KERNEL); 609 if (!vdev->pm) 610 return -ENOMEM; 611 612 if (ivpu_hw_ip_gen(vdev) >= IVPU_HW_IP_40XX) 613 vdev->hw->dma_bits = 48; 614 else 615 vdev->hw->dma_bits = 38; 616 617 vdev->platform = IVPU_PLATFORM_INVALID; 618 vdev->context_xa_limit.min = IVPU_USER_CONTEXT_MIN_SSID; 619 vdev->context_xa_limit.max = IVPU_USER_CONTEXT_MAX_SSID; 620 atomic64_set(&vdev->unique_id_counter, 0); 621 xa_init_flags(&vdev->context_xa, XA_FLAGS_ALLOC | XA_FLAGS_LOCK_IRQ); 622 xa_init_flags(&vdev->submitted_jobs_xa, XA_FLAGS_ALLOC1); 623 xa_init_flags(&vdev->db_xa, XA_FLAGS_ALLOC1); 624 lockdep_set_class(&vdev->submitted_jobs_xa.xa_lock, &submitted_jobs_xa_lock_class_key); 625 INIT_LIST_HEAD(&vdev->bo_list); 626 627 vdev->db_limit.min = IVPU_MIN_DB; 628 vdev->db_limit.max = IVPU_MAX_DB; 629 630 ret = drmm_mutex_init(&vdev->drm, &vdev->context_list_lock); 631 if (ret) 632 goto err_xa_destroy; 633 634 ret = drmm_mutex_init(&vdev->drm, &vdev->bo_list_lock); 635 if (ret) 636 goto err_xa_destroy; 637 638 ret = ivpu_pci_init(vdev); 639 if (ret) 640 goto err_xa_destroy; 641 642 ret = ivpu_irq_init(vdev); 643 if (ret) 644 goto err_xa_destroy; 645 646 /* Init basic HW info based on buttress registers which are accessible before power up */ 647 ret = ivpu_hw_init(vdev); 648 if (ret) 649 goto err_xa_destroy; 650 651 /* Power up early so the rest of init code can access VPU registers */ 652 ret = ivpu_hw_power_up(vdev); 653 if (ret) 654 goto err_shutdown; 655 656 ivpu_mmu_global_context_init(vdev); 657 658 ret = ivpu_mmu_init(vdev); 659 if (ret) 660 goto err_mmu_gctx_fini; 661 662 ret = ivpu_mmu_reserved_context_init(vdev); 663 if (ret) 664 goto err_mmu_gctx_fini; 665 666 ret = ivpu_fw_init(vdev); 667 if (ret) 668 goto err_mmu_rctx_fini; 669 670 ret = ivpu_ipc_init(vdev); 671 if (ret) 672 goto err_fw_fini; 673 674 ivpu_pm_init(vdev); 675 676 ret = ivpu_boot(vdev); 677 if (ret) 678 goto err_ipc_fini; 679 680 ivpu_job_done_consumer_init(vdev); 681 ivpu_pm_enable(vdev); 682 683 return 0; 684 685 err_ipc_fini: 686 ivpu_ipc_fini(vdev); 687 err_fw_fini: 688 ivpu_fw_fini(vdev); 689 err_mmu_rctx_fini: 690 ivpu_mmu_reserved_context_fini(vdev); 691 err_mmu_gctx_fini: 692 ivpu_mmu_global_context_fini(vdev); 693 err_shutdown: 694 ivpu_shutdown(vdev); 695 err_xa_destroy: 696 xa_destroy(&vdev->db_xa); 697 xa_destroy(&vdev->submitted_jobs_xa); 698 xa_destroy(&vdev->context_xa); 699 return ret; 700 } 701 702 static void ivpu_bo_unbind_all_user_contexts(struct ivpu_device *vdev) 703 { 704 struct ivpu_file_priv *file_priv; 705 unsigned long ctx_id; 706 707 mutex_lock(&vdev->context_list_lock); 708 709 xa_for_each(&vdev->context_xa, ctx_id, file_priv) 710 file_priv_unbind(vdev, file_priv); 711 712 mutex_unlock(&vdev->context_list_lock); 713 } 714 715 static void ivpu_dev_fini(struct ivpu_device *vdev) 716 { 717 ivpu_jobs_abort_all(vdev); 718 ivpu_pm_cancel_recovery(vdev); 719 ivpu_pm_disable(vdev); 720 ivpu_prepare_for_reset(vdev); 721 ivpu_shutdown(vdev); 722 723 ivpu_ms_cleanup_all(vdev); 724 ivpu_job_done_consumer_fini(vdev); 725 ivpu_bo_unbind_all_user_contexts(vdev); 726 727 ivpu_ipc_fini(vdev); 728 ivpu_fw_fini(vdev); 729 ivpu_mmu_reserved_context_fini(vdev); 730 ivpu_mmu_global_context_fini(vdev); 731 732 drm_WARN_ON(&vdev->drm, !xa_empty(&vdev->db_xa)); 733 xa_destroy(&vdev->db_xa); 734 drm_WARN_ON(&vdev->drm, !xa_empty(&vdev->submitted_jobs_xa)); 735 xa_destroy(&vdev->submitted_jobs_xa); 736 drm_WARN_ON(&vdev->drm, !xa_empty(&vdev->context_xa)); 737 xa_destroy(&vdev->context_xa); 738 } 739 740 static struct pci_device_id ivpu_pci_ids[] = { 741 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_MTL) }, 742 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_ARL) }, 743 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_LNL) }, 744 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_PTL_P) }, 745 { } 746 }; 747 MODULE_DEVICE_TABLE(pci, ivpu_pci_ids); 748 749 static int ivpu_probe(struct pci_dev *pdev, const struct pci_device_id *id) 750 { 751 struct ivpu_device *vdev; 752 int ret; 753 754 vdev = devm_drm_dev_alloc(&pdev->dev, &driver, struct ivpu_device, drm); 755 if (IS_ERR(vdev)) 756 return PTR_ERR(vdev); 757 758 pci_set_drvdata(pdev, vdev); 759 760 ret = ivpu_dev_init(vdev); 761 if (ret) 762 return ret; 763 764 ivpu_debugfs_init(vdev); 765 ivpu_sysfs_init(vdev); 766 767 ret = drm_dev_register(&vdev->drm, 0); 768 if (ret) { 769 dev_err(&pdev->dev, "Failed to register DRM device: %d\n", ret); 770 ivpu_dev_fini(vdev); 771 } 772 773 return ret; 774 } 775 776 static void ivpu_remove(struct pci_dev *pdev) 777 { 778 struct ivpu_device *vdev = pci_get_drvdata(pdev); 779 780 drm_dev_unplug(&vdev->drm); 781 ivpu_dev_fini(vdev); 782 } 783 784 static const struct dev_pm_ops ivpu_drv_pci_pm = { 785 SET_SYSTEM_SLEEP_PM_OPS(ivpu_pm_suspend_cb, ivpu_pm_resume_cb) 786 SET_RUNTIME_PM_OPS(ivpu_pm_runtime_suspend_cb, ivpu_pm_runtime_resume_cb, NULL) 787 }; 788 789 static const struct pci_error_handlers ivpu_drv_pci_err = { 790 .reset_prepare = ivpu_pm_reset_prepare_cb, 791 .reset_done = ivpu_pm_reset_done_cb, 792 }; 793 794 static struct pci_driver ivpu_pci_driver = { 795 .name = KBUILD_MODNAME, 796 .id_table = ivpu_pci_ids, 797 .probe = ivpu_probe, 798 .remove = ivpu_remove, 799 .driver = { 800 .pm = &ivpu_drv_pci_pm, 801 }, 802 .err_handler = &ivpu_drv_pci_err, 803 }; 804 805 module_pci_driver(ivpu_pci_driver); 806 807 MODULE_AUTHOR("Intel Corporation"); 808 MODULE_DESCRIPTION(DRIVER_DESC); 809 MODULE_LICENSE("GPL and additional rights"); 810 MODULE_VERSION(DRIVER_VERSION_STR); 811