Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
39static struct lock_class_key submitted_jobs_xa_lock_class_key;
40
41int ivpu_dbg_mask;
42module_param_named(dbg_mask, ivpu_dbg_mask, int, 0644);
43MODULE_PARM_DESC(dbg_mask, "Driver debug mask. See IVPU_DBG_* macros.");
44
45int ivpu_test_mode;
46#if IS_ENABLED(CONFIG_DRM_ACCEL_IVPU_DEBUG)
47module_param_named_unsafe(test_mode, ivpu_test_mode, int, 0644);
48MODULE_PARM_DESC(test_mode, "Test mode mask. See IVPU_TEST_MODE_* macros.");
49#endif
50
51u8 ivpu_pll_min_ratio;
52module_param_named(pll_min_ratio, ivpu_pll_min_ratio, byte, 0644);
53MODULE_PARM_DESC(pll_min_ratio, "Minimum PLL ratio used to set NPU frequency");
54
55u8 ivpu_pll_max_ratio = U8_MAX;
56module_param_named(pll_max_ratio, ivpu_pll_max_ratio, byte, 0644);
57MODULE_PARM_DESC(pll_max_ratio, "Maximum PLL ratio used to set NPU frequency");
58
59int ivpu_sched_mode = IVPU_SCHED_MODE_AUTO;
60module_param_named(sched_mode, ivpu_sched_mode, int, 0444);
61MODULE_PARM_DESC(sched_mode, "Scheduler mode: -1 - Use default scheduler, 0 - Use OS scheduler, 1 - Use HW scheduler");
62
63bool ivpu_disable_mmu_cont_pages;
64module_param_named(disable_mmu_cont_pages, ivpu_disable_mmu_cont_pages, bool, 0444);
65MODULE_PARM_DESC(disable_mmu_cont_pages, "Disable MMU contiguous pages optimization");
66
67bool ivpu_force_snoop;
68module_param_named(force_snoop, ivpu_force_snoop, bool, 0444);
69MODULE_PARM_DESC(force_snoop, "Force snooping for NPU host memory access");
70
71struct 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
83static 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
98static 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
119void 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
131static 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
147static 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
215static 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
228static 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
280err_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);
285err_dev_exit:
286 drm_dev_exit(idx);
287 return ret;
288}
289
290static 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
302static 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
315static 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
351static 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 */
373int 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
409err_diagnose_failure:
410 ivpu_hw_diagnose_failure(vdev);
411 ivpu_mmu_evtq_dump(vdev);
412 ivpu_dev_coredump(vdev);
413 return ret;
414}
415
416void 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
424int 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
440static const struct file_operations ivpu_fops = {
441 .owner = THIS_MODULE,
442 DRM_ACCEL_FOPS,
443};
444
445static 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
472static 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
492static 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
520static 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
543static 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
588static 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
685err_ipc_fini:
686 ivpu_ipc_fini(vdev);
687err_fw_fini:
688 ivpu_fw_fini(vdev);
689err_mmu_rctx_fini:
690 ivpu_mmu_reserved_context_fini(vdev);
691err_mmu_gctx_fini:
692 ivpu_mmu_global_context_fini(vdev);
693err_shutdown:
694 ivpu_shutdown(vdev);
695err_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
702static 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
715static 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
740static 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};
747MODULE_DEVICE_TABLE(pci, ivpu_pci_ids);
748
749static 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
776static 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
784static 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
789static 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
794static 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
805module_pci_driver(ivpu_pci_driver);
806
807MODULE_AUTHOR("Intel Corporation");
808MODULE_DESCRIPTION(DRIVER_DESC);
809MODULE_LICENSE("GPL and additional rights");
810MODULE_VERSION(DRIVER_VERSION_STR);