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torvalds
GitHub Repository: torvalds/linux
Path: blob/master/drivers/accel/ivpu/ivpu_drv.c
26428 views
1
// SPDX-License-Identifier: GPL-2.0-only
2
/*
3
* Copyright (C) 2020-2025 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 <linux/workqueue.h>
11
#include <generated/utsrelease.h>
12
13
#include <drm/drm_accel.h>
14
#include <drm/drm_file.h>
15
#include <drm/drm_gem.h>
16
#include <drm/drm_ioctl.h>
17
#include <drm/drm_prime.h>
18
19
#include "ivpu_coredump.h"
20
#include "ivpu_debugfs.h"
21
#include "ivpu_drv.h"
22
#include "ivpu_fw.h"
23
#include "ivpu_fw_log.h"
24
#include "ivpu_gem.h"
25
#include "ivpu_hw.h"
26
#include "ivpu_ipc.h"
27
#include "ivpu_job.h"
28
#include "ivpu_jsm_msg.h"
29
#include "ivpu_mmu.h"
30
#include "ivpu_mmu_context.h"
31
#include "ivpu_ms.h"
32
#include "ivpu_pm.h"
33
#include "ivpu_sysfs.h"
34
#include "vpu_boot_api.h"
35
36
#ifndef DRIVER_VERSION_STR
37
#define DRIVER_VERSION_STR "1.0.0 " UTS_RELEASE
38
#endif
39
40
int ivpu_dbg_mask;
41
module_param_named(dbg_mask, ivpu_dbg_mask, int, 0644);
42
MODULE_PARM_DESC(dbg_mask, "Driver debug mask. See IVPU_DBG_* macros.");
43
44
int ivpu_test_mode;
45
#if IS_ENABLED(CONFIG_DRM_ACCEL_IVPU_DEBUG)
46
module_param_named_unsafe(test_mode, ivpu_test_mode, int, 0644);
47
MODULE_PARM_DESC(test_mode, "Test mode mask. See IVPU_TEST_MODE_* macros.");
48
#endif
49
50
u8 ivpu_pll_min_ratio;
51
module_param_named(pll_min_ratio, ivpu_pll_min_ratio, byte, 0644);
52
MODULE_PARM_DESC(pll_min_ratio, "Minimum PLL ratio used to set NPU frequency");
53
54
u8 ivpu_pll_max_ratio = U8_MAX;
55
module_param_named(pll_max_ratio, ivpu_pll_max_ratio, byte, 0644);
56
MODULE_PARM_DESC(pll_max_ratio, "Maximum PLL ratio used to set NPU frequency");
57
58
int ivpu_sched_mode = IVPU_SCHED_MODE_AUTO;
59
module_param_named(sched_mode, ivpu_sched_mode, int, 0444);
60
MODULE_PARM_DESC(sched_mode, "Scheduler mode: -1 - Use default scheduler, 0 - Use OS scheduler, 1 - Use HW scheduler");
61
62
bool ivpu_disable_mmu_cont_pages;
63
module_param_named(disable_mmu_cont_pages, ivpu_disable_mmu_cont_pages, bool, 0444);
64
MODULE_PARM_DESC(disable_mmu_cont_pages, "Disable MMU contiguous pages optimization");
65
66
bool ivpu_force_snoop;
67
module_param_named(force_snoop, ivpu_force_snoop, bool, 0444);
68
MODULE_PARM_DESC(force_snoop, "Force snooping for NPU host memory access");
69
70
struct ivpu_file_priv *ivpu_file_priv_get(struct ivpu_file_priv *file_priv)
71
{
72
struct ivpu_device *vdev = file_priv->vdev;
73
74
kref_get(&file_priv->ref);
75
76
ivpu_dbg(vdev, KREF, "file_priv get: ctx %u refcount %u\n",
77
file_priv->ctx.id, kref_read(&file_priv->ref));
78
79
return file_priv;
80
}
81
82
static void file_priv_unbind(struct ivpu_device *vdev, struct ivpu_file_priv *file_priv)
83
{
84
mutex_lock(&file_priv->lock);
85
if (file_priv->bound) {
86
ivpu_dbg(vdev, FILE, "file_priv unbind: ctx %u\n", file_priv->ctx.id);
87
88
ivpu_cmdq_release_all_locked(file_priv);
89
ivpu_bo_unbind_all_bos_from_context(vdev, &file_priv->ctx);
90
ivpu_mmu_context_fini(vdev, &file_priv->ctx);
91
file_priv->bound = false;
92
drm_WARN_ON(&vdev->drm, !xa_erase_irq(&vdev->context_xa, file_priv->ctx.id));
93
}
94
mutex_unlock(&file_priv->lock);
95
}
96
97
static void file_priv_release(struct kref *ref)
98
{
99
struct ivpu_file_priv *file_priv = container_of(ref, struct ivpu_file_priv, ref);
100
struct ivpu_device *vdev = file_priv->vdev;
101
102
ivpu_dbg(vdev, FILE, "file_priv release: ctx %u bound %d\n",
103
file_priv->ctx.id, (bool)file_priv->bound);
104
105
pm_runtime_get_sync(vdev->drm.dev);
106
mutex_lock(&vdev->context_list_lock);
107
file_priv_unbind(vdev, file_priv);
108
drm_WARN_ON(&vdev->drm, !xa_empty(&file_priv->cmdq_xa));
109
xa_destroy(&file_priv->cmdq_xa);
110
mutex_unlock(&vdev->context_list_lock);
111
pm_runtime_put_autosuspend(vdev->drm.dev);
112
113
mutex_destroy(&file_priv->ms_lock);
114
mutex_destroy(&file_priv->lock);
115
kfree(file_priv);
116
}
117
118
void ivpu_file_priv_put(struct ivpu_file_priv **link)
119
{
120
struct ivpu_file_priv *file_priv = *link;
121
struct ivpu_device *vdev = file_priv->vdev;
122
123
ivpu_dbg(vdev, KREF, "file_priv put: ctx %u refcount %u\n",
124
file_priv->ctx.id, kref_read(&file_priv->ref));
125
126
*link = NULL;
127
kref_put(&file_priv->ref, file_priv_release);
128
}
129
130
bool ivpu_is_capable(struct ivpu_device *vdev, u32 capability)
131
{
132
switch (capability) {
133
case DRM_IVPU_CAP_METRIC_STREAMER:
134
return true;
135
case DRM_IVPU_CAP_DMA_MEMORY_RANGE:
136
return true;
137
case DRM_IVPU_CAP_MANAGE_CMDQ:
138
return vdev->fw->sched_mode == VPU_SCHEDULING_MODE_HW;
139
default:
140
return false;
141
}
142
}
143
144
static int ivpu_get_param_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
145
{
146
struct ivpu_file_priv *file_priv = file->driver_priv;
147
struct ivpu_device *vdev = file_priv->vdev;
148
struct pci_dev *pdev = to_pci_dev(vdev->drm.dev);
149
struct drm_ivpu_param *args = data;
150
int ret = 0;
151
int idx;
152
153
if (!drm_dev_enter(dev, &idx))
154
return -ENODEV;
155
156
switch (args->param) {
157
case DRM_IVPU_PARAM_DEVICE_ID:
158
args->value = pdev->device;
159
break;
160
case DRM_IVPU_PARAM_DEVICE_REVISION:
161
args->value = pdev->revision;
162
break;
163
case DRM_IVPU_PARAM_PLATFORM_TYPE:
164
args->value = vdev->platform;
165
break;
166
case DRM_IVPU_PARAM_CORE_CLOCK_RATE:
167
args->value = ivpu_hw_dpu_max_freq_get(vdev);
168
break;
169
case DRM_IVPU_PARAM_NUM_CONTEXTS:
170
args->value = ivpu_get_context_count(vdev);
171
break;
172
case DRM_IVPU_PARAM_CONTEXT_BASE_ADDRESS:
173
args->value = vdev->hw->ranges.user.start;
174
break;
175
case DRM_IVPU_PARAM_CONTEXT_ID:
176
args->value = file_priv->ctx.id;
177
break;
178
case DRM_IVPU_PARAM_FW_API_VERSION:
179
if (args->index < VPU_FW_API_VER_NUM) {
180
struct vpu_firmware_header *fw_hdr;
181
182
fw_hdr = (struct vpu_firmware_header *)vdev->fw->file->data;
183
args->value = fw_hdr->api_version[args->index];
184
} else {
185
ret = -EINVAL;
186
}
187
break;
188
case DRM_IVPU_PARAM_ENGINE_HEARTBEAT:
189
ret = ivpu_jsm_get_heartbeat(vdev, args->index, &args->value);
190
break;
191
case DRM_IVPU_PARAM_UNIQUE_INFERENCE_ID:
192
args->value = (u64)atomic64_inc_return(&vdev->unique_id_counter);
193
break;
194
case DRM_IVPU_PARAM_TILE_CONFIG:
195
args->value = vdev->hw->tile_fuse;
196
break;
197
case DRM_IVPU_PARAM_SKU:
198
args->value = vdev->hw->sku;
199
break;
200
case DRM_IVPU_PARAM_CAPABILITIES:
201
args->value = ivpu_is_capable(vdev, args->index);
202
break;
203
default:
204
ret = -EINVAL;
205
break;
206
}
207
208
drm_dev_exit(idx);
209
return ret;
210
}
211
212
static int ivpu_set_param_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
213
{
214
struct drm_ivpu_param *args = data;
215
int ret = 0;
216
217
switch (args->param) {
218
default:
219
ret = -EINVAL;
220
}
221
222
return ret;
223
}
224
225
static int ivpu_open(struct drm_device *dev, struct drm_file *file)
226
{
227
struct ivpu_device *vdev = to_ivpu_device(dev);
228
struct ivpu_file_priv *file_priv;
229
u32 ctx_id;
230
int idx, ret;
231
232
if (!drm_dev_enter(dev, &idx))
233
return -ENODEV;
234
235
file_priv = kzalloc(sizeof(*file_priv), GFP_KERNEL);
236
if (!file_priv) {
237
ret = -ENOMEM;
238
goto err_dev_exit;
239
}
240
241
INIT_LIST_HEAD(&file_priv->ms_instance_list);
242
243
file_priv->vdev = vdev;
244
file_priv->bound = true;
245
kref_init(&file_priv->ref);
246
mutex_init(&file_priv->lock);
247
mutex_init(&file_priv->ms_lock);
248
249
mutex_lock(&vdev->context_list_lock);
250
251
ret = xa_alloc_irq(&vdev->context_xa, &ctx_id, file_priv,
252
vdev->context_xa_limit, GFP_KERNEL);
253
if (ret) {
254
ivpu_err(vdev, "Failed to allocate context id: %d\n", ret);
255
goto err_unlock;
256
}
257
258
ivpu_mmu_context_init(vdev, &file_priv->ctx, ctx_id);
259
260
file_priv->job_limit.min = FIELD_PREP(IVPU_JOB_ID_CONTEXT_MASK, (file_priv->ctx.id - 1));
261
file_priv->job_limit.max = file_priv->job_limit.min | IVPU_JOB_ID_JOB_MASK;
262
263
xa_init_flags(&file_priv->cmdq_xa, XA_FLAGS_ALLOC1);
264
file_priv->cmdq_limit.min = IVPU_CMDQ_MIN_ID;
265
file_priv->cmdq_limit.max = IVPU_CMDQ_MAX_ID;
266
267
mutex_unlock(&vdev->context_list_lock);
268
drm_dev_exit(idx);
269
270
file->driver_priv = file_priv;
271
272
ivpu_dbg(vdev, FILE, "file_priv create: ctx %u process %s pid %d\n",
273
ctx_id, current->comm, task_pid_nr(current));
274
275
return 0;
276
277
err_unlock:
278
mutex_unlock(&vdev->context_list_lock);
279
mutex_destroy(&file_priv->ms_lock);
280
mutex_destroy(&file_priv->lock);
281
kfree(file_priv);
282
err_dev_exit:
283
drm_dev_exit(idx);
284
return ret;
285
}
286
287
static void ivpu_postclose(struct drm_device *dev, struct drm_file *file)
288
{
289
struct ivpu_file_priv *file_priv = file->driver_priv;
290
struct ivpu_device *vdev = to_ivpu_device(dev);
291
292
ivpu_dbg(vdev, FILE, "file_priv close: ctx %u process %s pid %d\n",
293
file_priv->ctx.id, current->comm, task_pid_nr(current));
294
295
ivpu_ms_cleanup(file_priv);
296
ivpu_file_priv_put(&file_priv);
297
}
298
299
static const struct drm_ioctl_desc ivpu_drm_ioctls[] = {
300
DRM_IOCTL_DEF_DRV(IVPU_GET_PARAM, ivpu_get_param_ioctl, 0),
301
DRM_IOCTL_DEF_DRV(IVPU_SET_PARAM, ivpu_set_param_ioctl, 0),
302
DRM_IOCTL_DEF_DRV(IVPU_BO_CREATE, ivpu_bo_create_ioctl, 0),
303
DRM_IOCTL_DEF_DRV(IVPU_BO_INFO, ivpu_bo_info_ioctl, 0),
304
DRM_IOCTL_DEF_DRV(IVPU_SUBMIT, ivpu_submit_ioctl, 0),
305
DRM_IOCTL_DEF_DRV(IVPU_BO_WAIT, ivpu_bo_wait_ioctl, 0),
306
DRM_IOCTL_DEF_DRV(IVPU_METRIC_STREAMER_START, ivpu_ms_start_ioctl, 0),
307
DRM_IOCTL_DEF_DRV(IVPU_METRIC_STREAMER_GET_DATA, ivpu_ms_get_data_ioctl, 0),
308
DRM_IOCTL_DEF_DRV(IVPU_METRIC_STREAMER_STOP, ivpu_ms_stop_ioctl, 0),
309
DRM_IOCTL_DEF_DRV(IVPU_METRIC_STREAMER_GET_INFO, ivpu_ms_get_info_ioctl, 0),
310
DRM_IOCTL_DEF_DRV(IVPU_CMDQ_CREATE, ivpu_cmdq_create_ioctl, 0),
311
DRM_IOCTL_DEF_DRV(IVPU_CMDQ_DESTROY, ivpu_cmdq_destroy_ioctl, 0),
312
DRM_IOCTL_DEF_DRV(IVPU_CMDQ_SUBMIT, ivpu_cmdq_submit_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
drm_WARN_ON(&vdev->drm, atomic_read(&vdev->job_timeout_counter));
378
drm_WARN_ON(&vdev->drm, !xa_empty(&vdev->submitted_jobs_xa));
379
380
/* Update boot params located at first 4KB of FW memory */
381
ivpu_fw_boot_params_setup(vdev, ivpu_bo_vaddr(vdev->fw->mem));
382
383
ret = ivpu_hw_boot_fw(vdev);
384
if (ret) {
385
ivpu_err(vdev, "Failed to start the firmware: %d\n", ret);
386
return ret;
387
}
388
389
ret = ivpu_wait_for_ready(vdev);
390
if (ret) {
391
ivpu_err(vdev, "Failed to boot the firmware: %d\n", ret);
392
goto err_diagnose_failure;
393
}
394
395
ivpu_hw_irq_clear(vdev);
396
enable_irq(vdev->irq);
397
ivpu_hw_irq_enable(vdev);
398
ivpu_ipc_enable(vdev);
399
400
if (ivpu_fw_is_cold_boot(vdev)) {
401
ret = ivpu_pm_dct_init(vdev);
402
if (ret)
403
goto err_disable_ipc;
404
405
ret = ivpu_hw_sched_init(vdev);
406
if (ret)
407
goto err_disable_ipc;
408
}
409
410
return 0;
411
412
err_disable_ipc:
413
ivpu_ipc_disable(vdev);
414
ivpu_hw_irq_disable(vdev);
415
disable_irq(vdev->irq);
416
err_diagnose_failure:
417
ivpu_hw_diagnose_failure(vdev);
418
ivpu_mmu_evtq_dump(vdev);
419
ivpu_dev_coredump(vdev);
420
return ret;
421
}
422
423
void ivpu_prepare_for_reset(struct ivpu_device *vdev)
424
{
425
ivpu_hw_irq_disable(vdev);
426
disable_irq(vdev->irq);
427
flush_work(&vdev->irq_ipc_work);
428
flush_work(&vdev->irq_dct_work);
429
flush_work(&vdev->context_abort_work);
430
ivpu_ipc_disable(vdev);
431
ivpu_mmu_disable(vdev);
432
}
433
434
int ivpu_shutdown(struct ivpu_device *vdev)
435
{
436
int ret;
437
438
/* Save PCI state before powering down as it sometimes gets corrupted if NPU hangs */
439
pci_save_state(to_pci_dev(vdev->drm.dev));
440
441
ret = ivpu_hw_power_down(vdev);
442
if (ret)
443
ivpu_warn(vdev, "Failed to power down HW: %d\n", ret);
444
445
pci_set_power_state(to_pci_dev(vdev->drm.dev), PCI_D3hot);
446
447
return ret;
448
}
449
450
static const struct file_operations ivpu_fops = {
451
.owner = THIS_MODULE,
452
DRM_ACCEL_FOPS,
453
};
454
455
static const struct drm_driver driver = {
456
.driver_features = DRIVER_GEM | DRIVER_COMPUTE_ACCEL,
457
458
.open = ivpu_open,
459
.postclose = ivpu_postclose,
460
461
.gem_create_object = ivpu_gem_create_object,
462
.gem_prime_import = ivpu_gem_prime_import,
463
464
.ioctls = ivpu_drm_ioctls,
465
.num_ioctls = ARRAY_SIZE(ivpu_drm_ioctls),
466
.fops = &ivpu_fops,
467
468
.name = DRIVER_NAME,
469
.desc = DRIVER_DESC,
470
471
.major = 1,
472
};
473
474
static int ivpu_irq_init(struct ivpu_device *vdev)
475
{
476
struct pci_dev *pdev = to_pci_dev(vdev->drm.dev);
477
int ret;
478
479
ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSI | PCI_IRQ_MSIX);
480
if (ret < 0) {
481
ivpu_err(vdev, "Failed to allocate a MSI IRQ: %d\n", ret);
482
return ret;
483
}
484
485
INIT_WORK(&vdev->irq_ipc_work, ivpu_ipc_irq_work_fn);
486
INIT_WORK(&vdev->irq_dct_work, ivpu_pm_irq_dct_work_fn);
487
INIT_WORK(&vdev->context_abort_work, ivpu_context_abort_work_fn);
488
489
ivpu_irq_handlers_init(vdev);
490
491
vdev->irq = pci_irq_vector(pdev, 0);
492
493
ret = devm_request_irq(vdev->drm.dev, vdev->irq, ivpu_hw_irq_handler,
494
IRQF_NO_AUTOEN, DRIVER_NAME, vdev);
495
if (ret)
496
ivpu_err(vdev, "Failed to request an IRQ %d\n", ret);
497
498
return ret;
499
}
500
501
static int ivpu_pci_init(struct ivpu_device *vdev)
502
{
503
struct pci_dev *pdev = to_pci_dev(vdev->drm.dev);
504
struct resource *bar0 = &pdev->resource[0];
505
struct resource *bar4 = &pdev->resource[4];
506
int ret;
507
508
ivpu_dbg(vdev, MISC, "Mapping BAR0 (RegV) %pR\n", bar0);
509
vdev->regv = devm_ioremap_resource(vdev->drm.dev, bar0);
510
if (IS_ERR(vdev->regv)) {
511
ivpu_err(vdev, "Failed to map bar 0: %pe\n", vdev->regv);
512
return PTR_ERR(vdev->regv);
513
}
514
515
ivpu_dbg(vdev, MISC, "Mapping BAR4 (RegB) %pR\n", bar4);
516
vdev->regb = devm_ioremap_resource(vdev->drm.dev, bar4);
517
if (IS_ERR(vdev->regb)) {
518
ivpu_err(vdev, "Failed to map bar 4: %pe\n", vdev->regb);
519
return PTR_ERR(vdev->regb);
520
}
521
522
ret = dma_set_mask_and_coherent(vdev->drm.dev, DMA_BIT_MASK(vdev->hw->dma_bits));
523
if (ret) {
524
ivpu_err(vdev, "Failed to set DMA mask: %d\n", ret);
525
return ret;
526
}
527
dma_set_max_seg_size(vdev->drm.dev, UINT_MAX);
528
529
/* Clear any pending errors */
530
pcie_capability_clear_word(pdev, PCI_EXP_DEVSTA, 0x3f);
531
532
/* NPU does not require 10m D3hot delay */
533
pdev->d3hot_delay = 0;
534
535
ret = pcim_enable_device(pdev);
536
if (ret) {
537
ivpu_err(vdev, "Failed to enable PCI device: %d\n", ret);
538
return ret;
539
}
540
541
pci_set_master(pdev);
542
543
return 0;
544
}
545
546
static int ivpu_dev_init(struct ivpu_device *vdev)
547
{
548
int ret;
549
550
vdev->hw = drmm_kzalloc(&vdev->drm, sizeof(*vdev->hw), GFP_KERNEL);
551
if (!vdev->hw)
552
return -ENOMEM;
553
554
vdev->mmu = drmm_kzalloc(&vdev->drm, sizeof(*vdev->mmu), GFP_KERNEL);
555
if (!vdev->mmu)
556
return -ENOMEM;
557
558
vdev->fw = drmm_kzalloc(&vdev->drm, sizeof(*vdev->fw), GFP_KERNEL);
559
if (!vdev->fw)
560
return -ENOMEM;
561
562
vdev->ipc = drmm_kzalloc(&vdev->drm, sizeof(*vdev->ipc), GFP_KERNEL);
563
if (!vdev->ipc)
564
return -ENOMEM;
565
566
vdev->pm = drmm_kzalloc(&vdev->drm, sizeof(*vdev->pm), GFP_KERNEL);
567
if (!vdev->pm)
568
return -ENOMEM;
569
570
if (ivpu_hw_ip_gen(vdev) >= IVPU_HW_IP_40XX)
571
vdev->hw->dma_bits = 48;
572
else
573
vdev->hw->dma_bits = 38;
574
575
vdev->platform = IVPU_PLATFORM_INVALID;
576
vdev->context_xa_limit.min = IVPU_USER_CONTEXT_MIN_SSID;
577
vdev->context_xa_limit.max = IVPU_USER_CONTEXT_MAX_SSID;
578
atomic64_set(&vdev->unique_id_counter, 0);
579
atomic_set(&vdev->job_timeout_counter, 0);
580
xa_init_flags(&vdev->context_xa, XA_FLAGS_ALLOC | XA_FLAGS_LOCK_IRQ);
581
xa_init_flags(&vdev->submitted_jobs_xa, XA_FLAGS_ALLOC1);
582
xa_init_flags(&vdev->db_xa, XA_FLAGS_ALLOC1);
583
INIT_LIST_HEAD(&vdev->bo_list);
584
585
vdev->db_limit.min = IVPU_MIN_DB;
586
vdev->db_limit.max = IVPU_MAX_DB;
587
588
ret = drmm_mutex_init(&vdev->drm, &vdev->context_list_lock);
589
if (ret)
590
goto err_xa_destroy;
591
592
ret = drmm_mutex_init(&vdev->drm, &vdev->submitted_jobs_lock);
593
if (ret)
594
goto err_xa_destroy;
595
596
ret = drmm_mutex_init(&vdev->drm, &vdev->bo_list_lock);
597
if (ret)
598
goto err_xa_destroy;
599
600
ret = ivpu_pci_init(vdev);
601
if (ret)
602
goto err_xa_destroy;
603
604
ret = ivpu_irq_init(vdev);
605
if (ret)
606
goto err_xa_destroy;
607
608
/* Init basic HW info based on buttress registers which are accessible before power up */
609
ret = ivpu_hw_init(vdev);
610
if (ret)
611
goto err_xa_destroy;
612
613
/* Power up early so the rest of init code can access VPU registers */
614
ret = ivpu_hw_power_up(vdev);
615
if (ret)
616
goto err_shutdown;
617
618
ivpu_mmu_global_context_init(vdev);
619
620
ret = ivpu_mmu_init(vdev);
621
if (ret)
622
goto err_mmu_gctx_fini;
623
624
ret = ivpu_mmu_reserved_context_init(vdev);
625
if (ret)
626
goto err_mmu_gctx_fini;
627
628
ret = ivpu_fw_init(vdev);
629
if (ret)
630
goto err_mmu_rctx_fini;
631
632
ret = ivpu_ipc_init(vdev);
633
if (ret)
634
goto err_fw_fini;
635
636
ivpu_pm_init(vdev);
637
638
ret = ivpu_boot(vdev);
639
if (ret)
640
goto err_ipc_fini;
641
642
ivpu_job_done_consumer_init(vdev);
643
ivpu_pm_enable(vdev);
644
645
return 0;
646
647
err_ipc_fini:
648
ivpu_ipc_fini(vdev);
649
err_fw_fini:
650
ivpu_fw_fini(vdev);
651
err_mmu_rctx_fini:
652
ivpu_mmu_reserved_context_fini(vdev);
653
err_mmu_gctx_fini:
654
ivpu_mmu_global_context_fini(vdev);
655
err_shutdown:
656
ivpu_shutdown(vdev);
657
err_xa_destroy:
658
xa_destroy(&vdev->db_xa);
659
xa_destroy(&vdev->submitted_jobs_xa);
660
xa_destroy(&vdev->context_xa);
661
return ret;
662
}
663
664
static void ivpu_bo_unbind_all_user_contexts(struct ivpu_device *vdev)
665
{
666
struct ivpu_file_priv *file_priv;
667
unsigned long ctx_id;
668
669
mutex_lock(&vdev->context_list_lock);
670
671
xa_for_each(&vdev->context_xa, ctx_id, file_priv)
672
file_priv_unbind(vdev, file_priv);
673
674
mutex_unlock(&vdev->context_list_lock);
675
}
676
677
static void ivpu_dev_fini(struct ivpu_device *vdev)
678
{
679
ivpu_jobs_abort_all(vdev);
680
ivpu_pm_disable_recovery(vdev);
681
ivpu_pm_disable(vdev);
682
ivpu_prepare_for_reset(vdev);
683
ivpu_shutdown(vdev);
684
685
ivpu_ms_cleanup_all(vdev);
686
ivpu_job_done_consumer_fini(vdev);
687
ivpu_bo_unbind_all_user_contexts(vdev);
688
689
ivpu_ipc_fini(vdev);
690
ivpu_fw_fini(vdev);
691
ivpu_mmu_reserved_context_fini(vdev);
692
ivpu_mmu_global_context_fini(vdev);
693
694
drm_WARN_ON(&vdev->drm, !xa_empty(&vdev->db_xa));
695
xa_destroy(&vdev->db_xa);
696
drm_WARN_ON(&vdev->drm, !xa_empty(&vdev->submitted_jobs_xa));
697
xa_destroy(&vdev->submitted_jobs_xa);
698
drm_WARN_ON(&vdev->drm, !xa_empty(&vdev->context_xa));
699
xa_destroy(&vdev->context_xa);
700
}
701
702
static struct pci_device_id ivpu_pci_ids[] = {
703
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_MTL) },
704
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_ARL) },
705
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_LNL) },
706
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_PTL_P) },
707
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_WCL) },
708
{ }
709
};
710
MODULE_DEVICE_TABLE(pci, ivpu_pci_ids);
711
712
static int ivpu_probe(struct pci_dev *pdev, const struct pci_device_id *id)
713
{
714
struct ivpu_device *vdev;
715
int ret;
716
717
vdev = devm_drm_dev_alloc(&pdev->dev, &driver, struct ivpu_device, drm);
718
if (IS_ERR(vdev))
719
return PTR_ERR(vdev);
720
721
pci_set_drvdata(pdev, vdev);
722
723
ret = ivpu_dev_init(vdev);
724
if (ret)
725
return ret;
726
727
ivpu_debugfs_init(vdev);
728
ivpu_sysfs_init(vdev);
729
730
ret = drm_dev_register(&vdev->drm, 0);
731
if (ret) {
732
dev_err(&pdev->dev, "Failed to register DRM device: %d\n", ret);
733
ivpu_dev_fini(vdev);
734
}
735
736
return ret;
737
}
738
739
static void ivpu_remove(struct pci_dev *pdev)
740
{
741
struct ivpu_device *vdev = pci_get_drvdata(pdev);
742
743
drm_dev_unplug(&vdev->drm);
744
ivpu_dev_fini(vdev);
745
}
746
747
static const struct dev_pm_ops ivpu_drv_pci_pm = {
748
SET_SYSTEM_SLEEP_PM_OPS(ivpu_pm_suspend_cb, ivpu_pm_resume_cb)
749
SET_RUNTIME_PM_OPS(ivpu_pm_runtime_suspend_cb, ivpu_pm_runtime_resume_cb, NULL)
750
};
751
752
static const struct pci_error_handlers ivpu_drv_pci_err = {
753
.reset_prepare = ivpu_pm_reset_prepare_cb,
754
.reset_done = ivpu_pm_reset_done_cb,
755
};
756
757
static struct pci_driver ivpu_pci_driver = {
758
.name = KBUILD_MODNAME,
759
.id_table = ivpu_pci_ids,
760
.probe = ivpu_probe,
761
.remove = ivpu_remove,
762
.driver = {
763
.pm = &ivpu_drv_pci_pm,
764
},
765
.err_handler = &ivpu_drv_pci_err,
766
};
767
768
module_pci_driver(ivpu_pci_driver);
769
770
MODULE_AUTHOR("Intel Corporation");
771
MODULE_DESCRIPTION(DRIVER_DESC);
772
MODULE_LICENSE("GPL and additional rights");
773
MODULE_VERSION(DRIVER_VERSION_STR);
774
775