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8#include "habanalabs.h"
9#include "../include/hw_ip/mmu/mmu_general.h"
10
11#include <linux/pci.h>
12#include <linux/uaccess.h>
13#include <linux/vmalloc.h>
14
15#define MMU_ADDR_BUF_SIZE 40
16#define MMU_ASID_BUF_SIZE 10
17#define MMU_KBUF_SIZE (MMU_ADDR_BUF_SIZE + MMU_ASID_BUF_SIZE)
18#define I2C_MAX_TRANSACTION_LEN 8
19
20static struct dentry *hl_debug_root;
21
22static int hl_debugfs_i2c_read(struct hl_device *hdev, u8 i2c_bus, u8 i2c_addr,
23 u8 i2c_reg, u8 i2c_len, u64 *val)
24{
25 struct cpucp_packet pkt;
26 int rc;
27
28 if (!hl_device_operational(hdev, NULL))
29 return -EBUSY;
30
31 if (i2c_len > I2C_MAX_TRANSACTION_LEN) {
32 dev_err(hdev->dev, "I2C transaction length %u, exceeds maximum of %u\n",
33 i2c_len, I2C_MAX_TRANSACTION_LEN);
34 return -EINVAL;
35 }
36
37 memset(&pkt, 0, sizeof(pkt));
38
39 pkt.ctl = cpu_to_le32(CPUCP_PACKET_I2C_RD <<
40 CPUCP_PKT_CTL_OPCODE_SHIFT);
41 pkt.i2c_bus = i2c_bus;
42 pkt.i2c_addr = i2c_addr;
43 pkt.i2c_reg = i2c_reg;
44 pkt.i2c_len = i2c_len;
45
46 rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
47 0, val);
48 if (rc)
49 dev_err(hdev->dev, "Failed to read from I2C, error %d\n", rc);
50
51 return rc;
52}
53
54static int hl_debugfs_i2c_write(struct hl_device *hdev, u8 i2c_bus, u8 i2c_addr,
55 u8 i2c_reg, u8 i2c_len, u64 val)
56{
57 struct cpucp_packet pkt;
58 int rc;
59
60 if (!hl_device_operational(hdev, NULL))
61 return -EBUSY;
62
63 if (i2c_len > I2C_MAX_TRANSACTION_LEN) {
64 dev_err(hdev->dev, "I2C transaction length %u, exceeds maximum of %u\n",
65 i2c_len, I2C_MAX_TRANSACTION_LEN);
66 return -EINVAL;
67 }
68
69 memset(&pkt, 0, sizeof(pkt));
70
71 pkt.ctl = cpu_to_le32(CPUCP_PACKET_I2C_WR <<
72 CPUCP_PKT_CTL_OPCODE_SHIFT);
73 pkt.i2c_bus = i2c_bus;
74 pkt.i2c_addr = i2c_addr;
75 pkt.i2c_reg = i2c_reg;
76 pkt.i2c_len = i2c_len;
77 pkt.value = cpu_to_le64(val);
78
79 rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
80 0, NULL);
81
82 if (rc)
83 dev_err(hdev->dev, "Failed to write to I2C, error %d\n", rc);
84
85 return rc;
86}
87
88static void hl_debugfs_led_set(struct hl_device *hdev, u8 led, u8 state)
89{
90 struct cpucp_packet pkt;
91 int rc;
92
93 if (!hl_device_operational(hdev, NULL))
94 return;
95
96 memset(&pkt, 0, sizeof(pkt));
97
98 pkt.ctl = cpu_to_le32(CPUCP_PACKET_LED_SET <<
99 CPUCP_PKT_CTL_OPCODE_SHIFT);
100 pkt.led_index = cpu_to_le32(led);
101 pkt.value = cpu_to_le64(state);
102
103 rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
104 0, NULL);
105
106 if (rc)
107 dev_err(hdev->dev, "Failed to set LED %d, error %d\n", led, rc);
108}
109
110static int command_buffers_show(struct seq_file *s, void *data)
111{
112 struct hl_debugfs_entry *entry = s->private;
113 struct hl_dbg_device_entry *dev_entry = entry->dev_entry;
114 struct hl_cb *cb;
115 bool first = true;
116
117 spin_lock(&dev_entry->cb_spinlock);
118
119 list_for_each_entry(cb, &dev_entry->cb_list, debugfs_list) {
120 if (first) {
121 first = false;
122 seq_puts(s, "\n");
123 seq_puts(s, " CB ID CTX ID CB size CB RefCnt mmap? CS counter\n");
124 seq_puts(s, "---------------------------------------------------------------\n");
125 }
126 seq_printf(s,
127 " %03llu %d 0x%08x %d %d %d\n",
128 cb->id, cb->ctx->asid, cb->size,
129 kref_read(&cb->refcount),
130 cb->mmap, atomic_read(&cb->cs_cnt));
131 }
132
133 spin_unlock(&dev_entry->cb_spinlock);
134
135 if (!first)
136 seq_puts(s, "\n");
137
138 return 0;
139}
140
141static int command_submission_show(struct seq_file *s, void *data)
142{
143 struct hl_debugfs_entry *entry = s->private;
144 struct hl_dbg_device_entry *dev_entry = entry->dev_entry;
145 struct hl_cs *cs;
146 bool first = true;
147
148 spin_lock(&dev_entry->cs_spinlock);
149
150 list_for_each_entry(cs, &dev_entry->cs_list, debugfs_list) {
151 if (first) {
152 first = false;
153 seq_puts(s, "\n");
154 seq_puts(s, " CS ID CTX ASID CS RefCnt Submitted Completed\n");
155 seq_puts(s, "------------------------------------------------------\n");
156 }
157 seq_printf(s,
158 " %llu %d %d %d %d\n",
159 cs->sequence, cs->ctx->asid,
160 kref_read(&cs->refcount),
161 cs->submitted, cs->completed);
162 }
163
164 spin_unlock(&dev_entry->cs_spinlock);
165
166 if (!first)
167 seq_puts(s, "\n");
168
169 return 0;
170}
171
172static int command_submission_jobs_show(struct seq_file *s, void *data)
173{
174 struct hl_debugfs_entry *entry = s->private;
175 struct hl_dbg_device_entry *dev_entry = entry->dev_entry;
176 struct hl_cs_job *job;
177 bool first = true;
178
179 spin_lock(&dev_entry->cs_job_spinlock);
180
181 list_for_each_entry(job, &dev_entry->cs_job_list, debugfs_list) {
182 if (first) {
183 first = false;
184 seq_puts(s, "\n");
185 seq_puts(s, " JOB ID CS ID CTX ASID JOB RefCnt H/W Queue\n");
186 seq_puts(s, "----------------------------------------------------\n");
187 }
188 if (job->cs)
189 seq_printf(s,
190 " %02d %llu %d %d %d\n",
191 job->id, job->cs->sequence, job->cs->ctx->asid,
192 kref_read(&job->refcount), job->hw_queue_id);
193 else
194 seq_printf(s,
195 " %02d 0 %d %d %d\n",
196 job->id, HL_KERNEL_ASID_ID,
197 kref_read(&job->refcount), job->hw_queue_id);
198 }
199
200 spin_unlock(&dev_entry->cs_job_spinlock);
201
202 if (!first)
203 seq_puts(s, "\n");
204
205 return 0;
206}
207
208static int userptr_show(struct seq_file *s, void *data)
209{
210 struct hl_debugfs_entry *entry = s->private;
211 struct hl_dbg_device_entry *dev_entry = entry->dev_entry;
212 struct hl_userptr *userptr;
213 char dma_dir[4][30] = {"DMA_BIDIRECTIONAL", "DMA_TO_DEVICE",
214 "DMA_FROM_DEVICE", "DMA_NONE"};
215 bool first = true;
216
217 spin_lock(&dev_entry->userptr_spinlock);
218
219 list_for_each_entry(userptr, &dev_entry->userptr_list, debugfs_list) {
220 if (first) {
221 first = false;
222 seq_puts(s, "\n");
223 seq_puts(s, " pid user virtual address size dma dir\n");
224 seq_puts(s, "----------------------------------------------------------\n");
225 }
226 seq_printf(s, " %-7d 0x%-14llx %-10llu %-30s\n",
227 userptr->pid, userptr->addr, userptr->size,
228 dma_dir[userptr->dir]);
229 }
230
231 spin_unlock(&dev_entry->userptr_spinlock);
232
233 if (!first)
234 seq_puts(s, "\n");
235
236 return 0;
237}
238
239static int vm_show(struct seq_file *s, void *data)
240{
241 struct hl_debugfs_entry *entry = s->private;
242 struct hl_dbg_device_entry *dev_entry = entry->dev_entry;
243 struct hl_vm_hw_block_list_node *lnode;
244 struct hl_ctx *ctx;
245 struct hl_vm *vm;
246 struct hl_vm_hash_node *hnode;
247 struct hl_userptr *userptr;
248 struct hl_vm_phys_pg_pack *phys_pg_pack = NULL;
249 struct hl_va_range *va_range;
250 struct hl_vm_va_block *va_block;
251 enum vm_type *vm_type;
252 bool once = true;
253 u64 j;
254 int i;
255
256 if (!dev_entry->hdev->mmu_enable)
257 return 0;
258
259 spin_lock(&dev_entry->ctx_mem_hash_spinlock);
260
261 list_for_each_entry(ctx, &dev_entry->ctx_mem_hash_list, debugfs_list) {
262 once = false;
263 seq_puts(s, "\n\n----------------------------------------------------");
264 seq_puts(s, "\n----------------------------------------------------\n\n");
265 seq_printf(s, "ctx asid: %u\n", ctx->asid);
266
267 seq_puts(s, "\nmappings:\n\n");
268 seq_puts(s, " virtual address size handle\n");
269 seq_puts(s, "----------------------------------------------------\n");
270 mutex_lock(&ctx->mem_hash_lock);
271 hash_for_each(ctx->mem_hash, i, hnode, node) {
272 vm_type = hnode->ptr;
273
274 if (*vm_type == VM_TYPE_USERPTR) {
275 userptr = hnode->ptr;
276 seq_printf(s,
277 " 0x%-14llx %-10llu\n",
278 hnode->vaddr, userptr->size);
279 } else {
280 phys_pg_pack = hnode->ptr;
281 seq_printf(s,
282 " 0x%-14llx %-10llu %-4u\n",
283 hnode->vaddr, phys_pg_pack->total_size,
284 phys_pg_pack->handle);
285 }
286 }
287 mutex_unlock(&ctx->mem_hash_lock);
288
289 if (ctx->asid != HL_KERNEL_ASID_ID &&
290 !list_empty(&ctx->hw_block_mem_list)) {
291 seq_puts(s, "\nhw_block mappings:\n\n");
292 seq_puts(s, " virtual address size HW block id\n");
293 seq_puts(s, "-------------------------------------------\n");
294 mutex_lock(&ctx->hw_block_list_lock);
295 list_for_each_entry(lnode, &ctx->hw_block_mem_list,
296 node) {
297 seq_printf(s,
298 " 0x%-14lx %-6u %-9u\n",
299 lnode->vaddr, lnode->size, lnode->id);
300 }
301 mutex_unlock(&ctx->hw_block_list_lock);
302 }
303
304 vm = &ctx->hdev->vm;
305 spin_lock(&vm->idr_lock);
306
307 if (!idr_is_empty(&vm->phys_pg_pack_handles))
308 seq_puts(s, "\n\nallocations:\n");
309
310 idr_for_each_entry(&vm->phys_pg_pack_handles, phys_pg_pack, i) {
311 if (phys_pg_pack->asid != ctx->asid)
312 continue;
313
314 seq_printf(s, "\nhandle: %u\n", phys_pg_pack->handle);
315 seq_printf(s, "page size: %u\n\n",
316 phys_pg_pack->page_size);
317 seq_puts(s, " physical address\n");
318 seq_puts(s, "---------------------\n");
319 for (j = 0 ; j < phys_pg_pack->npages ; j++) {
320 seq_printf(s, " 0x%-14llx\n",
321 phys_pg_pack->pages[j]);
322 }
323 }
324 spin_unlock(&vm->idr_lock);
325
326 }
327
328 spin_unlock(&dev_entry->ctx_mem_hash_spinlock);
329
330 ctx = hl_get_compute_ctx(dev_entry->hdev);
331 if (ctx) {
332 seq_puts(s, "\nVA ranges:\n\n");
333 for (i = HL_VA_RANGE_TYPE_HOST ; i < HL_VA_RANGE_TYPE_MAX ; ++i) {
334 va_range = ctx->va_range[i];
335 seq_printf(s, " va_range %d\n", i);
336 seq_puts(s, "---------------------\n");
337 mutex_lock(&va_range->lock);
338 list_for_each_entry(va_block, &va_range->list, node) {
339 seq_printf(s, "%#16llx - %#16llx (%#llx)\n",
340 va_block->start, va_block->end,
341 va_block->size);
342 }
343 mutex_unlock(&va_range->lock);
344 seq_puts(s, "\n");
345 }
346 hl_ctx_put(ctx);
347 }
348
349 if (!once)
350 seq_puts(s, "\n");
351
352 return 0;
353}
354
355static int userptr_lookup_show(struct seq_file *s, void *data)
356{
357 struct hl_debugfs_entry *entry = s->private;
358 struct hl_dbg_device_entry *dev_entry = entry->dev_entry;
359 struct scatterlist *sg;
360 struct hl_userptr *userptr;
361 bool first = true;
362 u64 total_npages, npages, sg_start, sg_end;
363 dma_addr_t dma_addr;
364 int i;
365
366 spin_lock(&dev_entry->userptr_spinlock);
367
368 list_for_each_entry(userptr, &dev_entry->userptr_list, debugfs_list) {
369 if (dev_entry->userptr_lookup >= userptr->addr &&
370 dev_entry->userptr_lookup < userptr->addr + userptr->size) {
371 total_npages = 0;
372 for_each_sg(userptr->sgt->sgl, sg, userptr->sgt->nents,
373 i) {
374 npages = hl_get_sg_info(sg, &dma_addr);
375 sg_start = userptr->addr +
376 total_npages * PAGE_SIZE;
377 sg_end = userptr->addr +
378 (total_npages + npages) * PAGE_SIZE;
379
380 if (dev_entry->userptr_lookup >= sg_start &&
381 dev_entry->userptr_lookup < sg_end) {
382 dma_addr += (dev_entry->userptr_lookup -
383 sg_start);
384 if (first) {
385 first = false;
386 seq_puts(s, "\n");
387 seq_puts(s, " user virtual address dma address pid region start region size\n");
388 seq_puts(s, "---------------------------------------------------------------------------------------\n");
389 }
390 seq_printf(s, " 0x%-18llx 0x%-16llx %-8u 0x%-16llx %-12llu\n",
391 dev_entry->userptr_lookup,
392 (u64)dma_addr, userptr->pid,
393 userptr->addr, userptr->size);
394 }
395 total_npages += npages;
396 }
397 }
398 }
399
400 spin_unlock(&dev_entry->userptr_spinlock);
401
402 if (!first)
403 seq_puts(s, "\n");
404
405 return 0;
406}
407
408static ssize_t userptr_lookup_write(struct file *file, const char __user *buf,
409 size_t count, loff_t *f_pos)
410{
411 struct seq_file *s = file->private_data;
412 struct hl_debugfs_entry *entry = s->private;
413 struct hl_dbg_device_entry *dev_entry = entry->dev_entry;
414 ssize_t rc;
415 u64 value;
416
417 rc = kstrtoull_from_user(buf, count, 16, &value);
418 if (rc)
419 return rc;
420
421 dev_entry->userptr_lookup = value;
422
423 return count;
424}
425
426static int mmu_show(struct seq_file *s, void *data)
427{
428 struct hl_debugfs_entry *entry = s->private;
429 struct hl_dbg_device_entry *dev_entry = entry->dev_entry;
430 struct hl_device *hdev = dev_entry->hdev;
431 struct hl_ctx *ctx;
432 struct hl_mmu_hop_info hops_info = {0};
433 u64 virt_addr = dev_entry->mmu_addr, phys_addr;
434 int i;
435
436 if (!hdev->mmu_enable)
437 return 0;
438
439 if (dev_entry->mmu_asid == HL_KERNEL_ASID_ID)
440 ctx = hdev->kernel_ctx;
441 else
442 ctx = hl_get_compute_ctx(hdev);
443
444 if (!ctx) {
445 dev_err(hdev->dev, "no ctx available\n");
446 return 0;
447 }
448
449 if (hl_mmu_get_tlb_info(ctx, virt_addr, &hops_info)) {
450 dev_err(hdev->dev, "virt addr 0x%llx is not mapped to phys addr\n",
451 virt_addr);
452 return 0;
453 }
454
455 hl_mmu_va_to_pa(ctx, virt_addr, &phys_addr);
456
457 if (hops_info.scrambled_vaddr &&
458 (dev_entry->mmu_addr != hops_info.scrambled_vaddr))
459 seq_printf(s,
460 "asid: %u, virt_addr: 0x%llx, scrambled virt_addr: 0x%llx,\nphys_addr: 0x%llx, scrambled_phys_addr: 0x%llx\n",
461 dev_entry->mmu_asid, dev_entry->mmu_addr,
462 hops_info.scrambled_vaddr,
463 hops_info.unscrambled_paddr, phys_addr);
464 else
465 seq_printf(s,
466 "asid: %u, virt_addr: 0x%llx, phys_addr: 0x%llx\n",
467 dev_entry->mmu_asid, dev_entry->mmu_addr, phys_addr);
468
469 for (i = 0 ; i < hops_info.used_hops ; i++) {
470 seq_printf(s, "hop%d_addr: 0x%llx\n",
471 i, hops_info.hop_info[i].hop_addr);
472 seq_printf(s, "hop%d_pte_addr: 0x%llx\n",
473 i, hops_info.hop_info[i].hop_pte_addr);
474 seq_printf(s, "hop%d_pte: 0x%llx\n",
475 i, hops_info.hop_info[i].hop_pte_val);
476 }
477
478 return 0;
479}
480
481static ssize_t mmu_asid_va_write(struct file *file, const char __user *buf,
482 size_t count, loff_t *f_pos)
483{
484 struct seq_file *s = file->private_data;
485 struct hl_debugfs_entry *entry = s->private;
486 struct hl_dbg_device_entry *dev_entry = entry->dev_entry;
487 struct hl_device *hdev = dev_entry->hdev;
488 char kbuf[MMU_KBUF_SIZE];
489 char *c;
490 ssize_t rc;
491
492 if (!hdev->mmu_enable)
493 return count;
494
495 if (count > sizeof(kbuf) - 1)
496 goto err;
497 if (copy_from_user(kbuf, buf, count))
498 goto err;
499 kbuf[count] = 0;
500
501 c = strchr(kbuf, ' ');
502 if (!c)
503 goto err;
504 *c = '\0';
505
506 rc = kstrtouint(kbuf, 10, &dev_entry->mmu_asid);
507 if (rc)
508 goto err;
509
510 if (strncmp(c+1, "0x", 2))
511 goto err;
512 rc = kstrtoull(c+3, 16, &dev_entry->mmu_addr);
513 if (rc)
514 goto err;
515
516 return count;
517
518err:
519 dev_err(hdev->dev, "usage: echo <asid> <0xaddr> > mmu\n");
520
521 return -EINVAL;
522}
523
524static int engines_show(struct seq_file *s, void *data)
525{
526 struct hl_debugfs_entry *entry = s->private;
527 struct hl_dbg_device_entry *dev_entry = entry->dev_entry;
528 struct hl_device *hdev = dev_entry->hdev;
529
530 if (hdev->reset_info.in_reset) {
531 dev_warn_ratelimited(hdev->dev,
532 "Can't check device idle during reset\n");
533 return 0;
534 }
535
536 hdev->asic_funcs->is_device_idle(hdev, NULL, 0, s);
537
538 return 0;
539}
540
541static bool hl_is_device_va(struct hl_device *hdev, u64 addr)
542{
543 struct asic_fixed_properties *prop = &hdev->asic_prop;
544
545 if (!hdev->mmu_enable)
546 goto out;
547
548 if (prop->dram_supports_virtual_memory &&
549 (addr >= prop->dmmu.start_addr && addr < prop->dmmu.end_addr))
550 return true;
551
552 if (addr >= prop->pmmu.start_addr &&
553 addr < prop->pmmu.end_addr)
554 return true;
555
556 if (addr >= prop->pmmu_huge.start_addr &&
557 addr < prop->pmmu_huge.end_addr)
558 return true;
559out:
560 return false;
561}
562
563static bool hl_is_device_internal_memory_va(struct hl_device *hdev, u64 addr,
564 u32 size)
565{
566 struct asic_fixed_properties *prop = &hdev->asic_prop;
567 u64 dram_start_addr, dram_end_addr;
568
569 if (!hdev->mmu_enable)
570 return false;
571
572 if (prop->dram_supports_virtual_memory) {
573 dram_start_addr = prop->dmmu.start_addr;
574 dram_end_addr = prop->dmmu.end_addr;
575 } else {
576 dram_start_addr = prop->dram_base_address;
577 dram_end_addr = prop->dram_end_address;
578 }
579
580 if (hl_mem_area_inside_range(addr, size, dram_start_addr,
581 dram_end_addr))
582 return true;
583
584 if (hl_mem_area_inside_range(addr, size, prop->sram_base_address,
585 prop->sram_end_address))
586 return true;
587
588 return false;
589}
590
591static int device_va_to_pa(struct hl_device *hdev, u64 virt_addr, u32 size,
592 u64 *phys_addr)
593{
594 struct hl_vm_phys_pg_pack *phys_pg_pack;
595 struct hl_ctx *ctx;
596 struct hl_vm_hash_node *hnode;
597 u64 end_address, range_size;
598 struct hl_userptr *userptr;
599 enum vm_type *vm_type;
600 bool valid = false;
601 int i, rc = 0;
602
603 ctx = hl_get_compute_ctx(hdev);
604
605 if (!ctx) {
606 dev_err(hdev->dev, "no ctx available\n");
607 return -EINVAL;
608 }
609
610
611 mutex_lock(&ctx->mem_hash_lock);
612 hash_for_each(ctx->mem_hash, i, hnode, node) {
613 vm_type = hnode->ptr;
614
615 if (*vm_type == VM_TYPE_USERPTR) {
616 userptr = hnode->ptr;
617 range_size = userptr->size;
618 } else {
619 phys_pg_pack = hnode->ptr;
620 range_size = phys_pg_pack->total_size;
621 }
622
623 end_address = virt_addr + size;
624 if ((virt_addr >= hnode->vaddr) &&
625 (end_address <= hnode->vaddr + range_size)) {
626 valid = true;
627 break;
628 }
629 }
630 mutex_unlock(&ctx->mem_hash_lock);
631
632 if (!valid) {
633 dev_err(hdev->dev,
634 "virt addr 0x%llx is not mapped\n",
635 virt_addr);
636 return -EINVAL;
637 }
638
639 rc = hl_mmu_va_to_pa(ctx, virt_addr, phys_addr);
640 if (rc) {
641 dev_err(hdev->dev,
642 "virt addr 0x%llx is not mapped to phys addr\n",
643 virt_addr);
644 rc = -EINVAL;
645 }
646
647 return rc;
648}
649
650static ssize_t hl_data_read32(struct file *f, char __user *buf,
651 size_t count, loff_t *ppos)
652{
653 struct hl_dbg_device_entry *entry = file_inode(f)->i_private;
654 struct hl_device *hdev = entry->hdev;
655 u64 addr = entry->addr;
656 bool user_address;
657 char tmp_buf[32];
658 ssize_t rc;
659 u32 val;
660
661 if (hdev->reset_info.in_reset) {
662 dev_warn_ratelimited(hdev->dev, "Can't read during reset\n");
663 return 0;
664 }
665
666 if (*ppos)
667 return 0;
668
669 user_address = hl_is_device_va(hdev, addr);
670 if (user_address) {
671 rc = device_va_to_pa(hdev, addr, sizeof(val), &addr);
672 if (rc)
673 return rc;
674 }
675
676 rc = hdev->asic_funcs->debugfs_read32(hdev, addr, user_address, &val);
677 if (rc) {
678 dev_err(hdev->dev, "Failed to read from 0x%010llx\n", addr);
679 return rc;
680 }
681
682 sprintf(tmp_buf, "0x%08x\n", val);
683 return simple_read_from_buffer(buf, count, ppos, tmp_buf,
684 strlen(tmp_buf));
685}
686
687static ssize_t hl_data_write32(struct file *f, const char __user *buf,
688 size_t count, loff_t *ppos)
689{
690 struct hl_dbg_device_entry *entry = file_inode(f)->i_private;
691 struct hl_device *hdev = entry->hdev;
692 u64 addr = entry->addr;
693 bool user_address;
694 u32 value;
695 ssize_t rc;
696
697 if (hdev->reset_info.in_reset) {
698 dev_warn_ratelimited(hdev->dev, "Can't write during reset\n");
699 return 0;
700 }
701
702 rc = kstrtouint_from_user(buf, count, 16, &value);
703 if (rc)
704 return rc;
705
706 user_address = hl_is_device_va(hdev, addr);
707 if (user_address) {
708 rc = device_va_to_pa(hdev, addr, sizeof(value), &addr);
709 if (rc)
710 return rc;
711 }
712
713 rc = hdev->asic_funcs->debugfs_write32(hdev, addr, user_address, value);
714 if (rc) {
715 dev_err(hdev->dev, "Failed to write 0x%08x to 0x%010llx\n",
716 value, addr);
717 return rc;
718 }
719
720 return count;
721}
722
723static ssize_t hl_data_read64(struct file *f, char __user *buf,
724 size_t count, loff_t *ppos)
725{
726 struct hl_dbg_device_entry *entry = file_inode(f)->i_private;
727 struct hl_device *hdev = entry->hdev;
728 u64 addr = entry->addr;
729 bool user_address;
730 char tmp_buf[32];
731 ssize_t rc;
732 u64 val;
733
734 if (hdev->reset_info.in_reset) {
735 dev_warn_ratelimited(hdev->dev, "Can't read during reset\n");
736 return 0;
737 }
738
739 if (*ppos)
740 return 0;
741
742 user_address = hl_is_device_va(hdev, addr);
743 if (user_address) {
744 rc = device_va_to_pa(hdev, addr, sizeof(val), &addr);
745 if (rc)
746 return rc;
747 }
748
749 rc = hdev->asic_funcs->debugfs_read64(hdev, addr, user_address, &val);
750 if (rc) {
751 dev_err(hdev->dev, "Failed to read from 0x%010llx\n", addr);
752 return rc;
753 }
754
755 sprintf(tmp_buf, "0x%016llx\n", val);
756 return simple_read_from_buffer(buf, count, ppos, tmp_buf,
757 strlen(tmp_buf));
758}
759
760static ssize_t hl_data_write64(struct file *f, const char __user *buf,
761 size_t count, loff_t *ppos)
762{
763 struct hl_dbg_device_entry *entry = file_inode(f)->i_private;
764 struct hl_device *hdev = entry->hdev;
765 u64 addr = entry->addr;
766 bool user_address;
767 u64 value;
768 ssize_t rc;
769
770 if (hdev->reset_info.in_reset) {
771 dev_warn_ratelimited(hdev->dev, "Can't write during reset\n");
772 return 0;
773 }
774
775 rc = kstrtoull_from_user(buf, count, 16, &value);
776 if (rc)
777 return rc;
778
779 user_address = hl_is_device_va(hdev, addr);
780 if (user_address) {
781 rc = device_va_to_pa(hdev, addr, sizeof(value), &addr);
782 if (rc)
783 return rc;
784 }
785
786 rc = hdev->asic_funcs->debugfs_write64(hdev, addr, user_address, value);
787 if (rc) {
788 dev_err(hdev->dev, "Failed to write 0x%016llx to 0x%010llx\n",
789 value, addr);
790 return rc;
791 }
792
793 return count;
794}
795
796static ssize_t hl_dma_size_write(struct file *f, const char __user *buf,
797 size_t count, loff_t *ppos)
798{
799 struct hl_dbg_device_entry *entry = file_inode(f)->i_private;
800 struct hl_device *hdev = entry->hdev;
801 u64 addr = entry->addr;
802 ssize_t rc;
803 u32 size;
804
805 if (hdev->reset_info.in_reset) {
806 dev_warn_ratelimited(hdev->dev, "Can't DMA during reset\n");
807 return 0;
808 }
809 rc = kstrtouint_from_user(buf, count, 16, &size);
810 if (rc)
811 return rc;
812
813 if (!size) {
814 dev_err(hdev->dev, "DMA read failed. size can't be 0\n");
815 return -EINVAL;
816 }
817
818 if (size > SZ_128M) {
819 dev_err(hdev->dev,
820 "DMA read failed. size can't be larger than 128MB\n");
821 return -EINVAL;
822 }
823
824 if (!hl_is_device_internal_memory_va(hdev, addr, size)) {
825 dev_err(hdev->dev,
826 "DMA read failed. Invalid 0x%010llx + 0x%08x\n",
827 addr, size);
828 return -EINVAL;
829 }
830
831
832 entry->blob_desc.size = 0;
833 vfree(entry->blob_desc.data);
834
835 entry->blob_desc.data = vmalloc(size);
836 if (!entry->blob_desc.data)
837 return -ENOMEM;
838
839 rc = hdev->asic_funcs->debugfs_read_dma(hdev, addr, size,
840 entry->blob_desc.data);
841 if (rc) {
842 dev_err(hdev->dev, "Failed to DMA from 0x%010llx\n", addr);
843 vfree(entry->blob_desc.data);
844 entry->blob_desc.data = NULL;
845 return -EIO;
846 }
847
848 entry->blob_desc.size = size;
849
850 return count;
851}
852
853static ssize_t hl_get_power_state(struct file *f, char __user *buf,
854 size_t count, loff_t *ppos)
855{
856 struct hl_dbg_device_entry *entry = file_inode(f)->i_private;
857 struct hl_device *hdev = entry->hdev;
858 char tmp_buf[200];
859 int i;
860
861 if (*ppos)
862 return 0;
863
864 if (hdev->pdev->current_state == PCI_D0)
865 i = 1;
866 else if (hdev->pdev->current_state == PCI_D3hot)
867 i = 2;
868 else
869 i = 3;
870
871 sprintf(tmp_buf,
872 "current power state: %d\n1 - D0\n2 - D3hot\n3 - Unknown\n", i);
873 return simple_read_from_buffer(buf, count, ppos, tmp_buf,
874 strlen(tmp_buf));
875}
876
877static ssize_t hl_set_power_state(struct file *f, const char __user *buf,
878 size_t count, loff_t *ppos)
879{
880 struct hl_dbg_device_entry *entry = file_inode(f)->i_private;
881 struct hl_device *hdev = entry->hdev;
882 u32 value;
883 ssize_t rc;
884
885 rc = kstrtouint_from_user(buf, count, 10, &value);
886 if (rc)
887 return rc;
888
889 if (value == 1) {
890 pci_set_power_state(hdev->pdev, PCI_D0);
891 pci_restore_state(hdev->pdev);
892 rc = pci_enable_device(hdev->pdev);
893 if (rc < 0)
894 return rc;
895 } else if (value == 2) {
896 pci_save_state(hdev->pdev);
897 pci_disable_device(hdev->pdev);
898 pci_set_power_state(hdev->pdev, PCI_D3hot);
899 } else {
900 dev_dbg(hdev->dev, "invalid power state value %u\n", value);
901 return -EINVAL;
902 }
903
904 return count;
905}
906
907static ssize_t hl_i2c_data_read(struct file *f, char __user *buf,
908 size_t count, loff_t *ppos)
909{
910 struct hl_dbg_device_entry *entry = file_inode(f)->i_private;
911 struct hl_device *hdev = entry->hdev;
912 char tmp_buf[32];
913 u64 val;
914 ssize_t rc;
915
916 if (*ppos)
917 return 0;
918
919 rc = hl_debugfs_i2c_read(hdev, entry->i2c_bus, entry->i2c_addr,
920 entry->i2c_reg, entry->i2c_len, &val);
921 if (rc) {
922 dev_err(hdev->dev,
923 "Failed to read from I2C bus %d, addr %d, reg %d, len %d\n",
924 entry->i2c_bus, entry->i2c_addr, entry->i2c_reg, entry->i2c_len);
925 return rc;
926 }
927
928 sprintf(tmp_buf, "%#02llx\n", val);
929 rc = simple_read_from_buffer(buf, count, ppos, tmp_buf,
930 strlen(tmp_buf));
931
932 return rc;
933}
934
935static ssize_t hl_i2c_data_write(struct file *f, const char __user *buf,
936 size_t count, loff_t *ppos)
937{
938 struct hl_dbg_device_entry *entry = file_inode(f)->i_private;
939 struct hl_device *hdev = entry->hdev;
940 u64 value;
941 ssize_t rc;
942
943 rc = kstrtou64_from_user(buf, count, 16, &value);
944 if (rc)
945 return rc;
946
947 rc = hl_debugfs_i2c_write(hdev, entry->i2c_bus, entry->i2c_addr,
948 entry->i2c_reg, entry->i2c_len, value);
949 if (rc) {
950 dev_err(hdev->dev,
951 "Failed to write %#02llx to I2C bus %d, addr %d, reg %d, len %d\n",
952 value, entry->i2c_bus, entry->i2c_addr, entry->i2c_reg, entry->i2c_len);
953 return rc;
954 }
955
956 return count;
957}
958
959static ssize_t hl_led0_write(struct file *f, const char __user *buf,
960 size_t count, loff_t *ppos)
961{
962 struct hl_dbg_device_entry *entry = file_inode(f)->i_private;
963 struct hl_device *hdev = entry->hdev;
964 u32 value;
965 ssize_t rc;
966
967 rc = kstrtouint_from_user(buf, count, 10, &value);
968 if (rc)
969 return rc;
970
971 value = value ? 1 : 0;
972
973 hl_debugfs_led_set(hdev, 0, value);
974
975 return count;
976}
977
978static ssize_t hl_led1_write(struct file *f, const char __user *buf,
979 size_t count, loff_t *ppos)
980{
981 struct hl_dbg_device_entry *entry = file_inode(f)->i_private;
982 struct hl_device *hdev = entry->hdev;
983 u32 value;
984 ssize_t rc;
985
986 rc = kstrtouint_from_user(buf, count, 10, &value);
987 if (rc)
988 return rc;
989
990 value = value ? 1 : 0;
991
992 hl_debugfs_led_set(hdev, 1, value);
993
994 return count;
995}
996
997static ssize_t hl_led2_write(struct file *f, const char __user *buf,
998 size_t count, loff_t *ppos)
999{
1000 struct hl_dbg_device_entry *entry = file_inode(f)->i_private;
1001 struct hl_device *hdev = entry->hdev;
1002 u32 value;
1003 ssize_t rc;
1004
1005 rc = kstrtouint_from_user(buf, count, 10, &value);
1006 if (rc)
1007 return rc;
1008
1009 value = value ? 1 : 0;
1010
1011 hl_debugfs_led_set(hdev, 2, value);
1012
1013 return count;
1014}
1015
1016static ssize_t hl_device_read(struct file *f, char __user *buf,
1017 size_t count, loff_t *ppos)
1018{
1019 static const char *help =
1020 "Valid values: disable, enable, suspend, resume, cpu_timeout\n";
1021 return simple_read_from_buffer(buf, count, ppos, help, strlen(help));
1022}
1023
1024static ssize_t hl_device_write(struct file *f, const char __user *buf,
1025 size_t count, loff_t *ppos)
1026{
1027 struct hl_dbg_device_entry *entry = file_inode(f)->i_private;
1028 struct hl_device *hdev = entry->hdev;
1029 char data[30] = {0};
1030
1031
1032 if (*ppos != 0)
1033 return 0;
1034
1035 simple_write_to_buffer(data, 29, ppos, buf, count);
1036
1037 if (strncmp("disable", data, strlen("disable")) == 0) {
1038 hdev->disabled = true;
1039 } else if (strncmp("enable", data, strlen("enable")) == 0) {
1040 hdev->disabled = false;
1041 } else if (strncmp("suspend", data, strlen("suspend")) == 0) {
1042 hdev->asic_funcs->suspend(hdev);
1043 } else if (strncmp("resume", data, strlen("resume")) == 0) {
1044 hdev->asic_funcs->resume(hdev);
1045 } else if (strncmp("cpu_timeout", data, strlen("cpu_timeout")) == 0) {
1046 hdev->device_cpu_disabled = true;
1047 } else {
1048 dev_err(hdev->dev,
1049 "Valid values: disable, enable, suspend, resume, cpu_timeout\n");
1050 count = -EINVAL;
1051 }
1052
1053 return count;
1054}
1055
1056static ssize_t hl_clk_gate_read(struct file *f, char __user *buf,
1057 size_t count, loff_t *ppos)
1058{
1059 return 0;
1060}
1061
1062static ssize_t hl_clk_gate_write(struct file *f, const char __user *buf,
1063 size_t count, loff_t *ppos)
1064{
1065 return count;
1066}
1067
1068static ssize_t hl_stop_on_err_read(struct file *f, char __user *buf,
1069 size_t count, loff_t *ppos)
1070{
1071 struct hl_dbg_device_entry *entry = file_inode(f)->i_private;
1072 struct hl_device *hdev = entry->hdev;
1073 char tmp_buf[200];
1074 ssize_t rc;
1075
1076 if (!hdev->asic_prop.configurable_stop_on_err)
1077 return -EOPNOTSUPP;
1078
1079 if (*ppos)
1080 return 0;
1081
1082 sprintf(tmp_buf, "%d\n", hdev->stop_on_err);
1083 rc = simple_read_from_buffer(buf, strlen(tmp_buf) + 1, ppos, tmp_buf,
1084 strlen(tmp_buf) + 1);
1085
1086 return rc;
1087}
1088
1089static ssize_t hl_stop_on_err_write(struct file *f, const char __user *buf,
1090 size_t count, loff_t *ppos)
1091{
1092 struct hl_dbg_device_entry *entry = file_inode(f)->i_private;
1093 struct hl_device *hdev = entry->hdev;
1094 u32 value;
1095 ssize_t rc;
1096
1097 if (!hdev->asic_prop.configurable_stop_on_err)
1098 return -EOPNOTSUPP;
1099
1100 if (hdev->reset_info.in_reset) {
1101 dev_warn_ratelimited(hdev->dev,
1102 "Can't change stop on error during reset\n");
1103 return 0;
1104 }
1105
1106 rc = kstrtouint_from_user(buf, count, 10, &value);
1107 if (rc)
1108 return rc;
1109
1110 hdev->stop_on_err = value ? 1 : 0;
1111
1112 hl_device_reset(hdev, 0);
1113
1114 return count;
1115}
1116
1117static ssize_t hl_security_violations_read(struct file *f, char __user *buf,
1118 size_t count, loff_t *ppos)
1119{
1120 struct hl_dbg_device_entry *entry = file_inode(f)->i_private;
1121 struct hl_device *hdev = entry->hdev;
1122
1123 hdev->asic_funcs->ack_protection_bits_errors(hdev);
1124
1125 return 0;
1126}
1127
1128static ssize_t hl_state_dump_read(struct file *f, char __user *buf,
1129 size_t count, loff_t *ppos)
1130{
1131 struct hl_dbg_device_entry *entry = file_inode(f)->i_private;
1132 ssize_t rc;
1133
1134 down_read(&entry->state_dump_sem);
1135 if (!entry->state_dump[entry->state_dump_head])
1136 rc = 0;
1137 else
1138 rc = simple_read_from_buffer(
1139 buf, count, ppos,
1140 entry->state_dump[entry->state_dump_head],
1141 strlen(entry->state_dump[entry->state_dump_head]));
1142 up_read(&entry->state_dump_sem);
1143
1144 return rc;
1145}
1146
1147static ssize_t hl_state_dump_write(struct file *f, const char __user *buf,
1148 size_t count, loff_t *ppos)
1149{
1150 struct hl_dbg_device_entry *entry = file_inode(f)->i_private;
1151 struct hl_device *hdev = entry->hdev;
1152 ssize_t rc;
1153 u32 size;
1154 int i;
1155
1156 rc = kstrtouint_from_user(buf, count, 10, &size);
1157 if (rc)
1158 return rc;
1159
1160 if (size <= 0 || size >= ARRAY_SIZE(entry->state_dump)) {
1161 dev_err(hdev->dev, "Invalid number of dumps to skip\n");
1162 return -EINVAL;
1163 }
1164
1165 if (entry->state_dump[entry->state_dump_head]) {
1166 down_write(&entry->state_dump_sem);
1167 for (i = 0; i < size; ++i) {
1168 vfree(entry->state_dump[entry->state_dump_head]);
1169 entry->state_dump[entry->state_dump_head] = NULL;
1170 if (entry->state_dump_head > 0)
1171 entry->state_dump_head--;
1172 else
1173 entry->state_dump_head =
1174 ARRAY_SIZE(entry->state_dump) - 1;
1175 }
1176 up_write(&entry->state_dump_sem);
1177 }
1178
1179 return count;
1180}
1181
1182static ssize_t hl_timeout_locked_read(struct file *f, char __user *buf,
1183 size_t count, loff_t *ppos)
1184{
1185 struct hl_dbg_device_entry *entry = file_inode(f)->i_private;
1186 struct hl_device *hdev = entry->hdev;
1187 char tmp_buf[200];
1188 ssize_t rc;
1189
1190 if (*ppos)
1191 return 0;
1192
1193 sprintf(tmp_buf, "%d\n",
1194 jiffies_to_msecs(hdev->timeout_jiffies) / 1000);
1195 rc = simple_read_from_buffer(buf, strlen(tmp_buf) + 1, ppos, tmp_buf,
1196 strlen(tmp_buf) + 1);
1197
1198 return rc;
1199}
1200
1201static ssize_t hl_timeout_locked_write(struct file *f, const char __user *buf,
1202 size_t count, loff_t *ppos)
1203{
1204 struct hl_dbg_device_entry *entry = file_inode(f)->i_private;
1205 struct hl_device *hdev = entry->hdev;
1206 u32 value;
1207 ssize_t rc;
1208
1209 rc = kstrtouint_from_user(buf, count, 10, &value);
1210 if (rc)
1211 return rc;
1212
1213 if (value)
1214 hdev->timeout_jiffies = msecs_to_jiffies(value * 1000);
1215 else
1216 hdev->timeout_jiffies = MAX_SCHEDULE_TIMEOUT;
1217
1218 return count;
1219}
1220
1221static const struct file_operations hl_data32b_fops = {
1222 .owner = THIS_MODULE,
1223 .read = hl_data_read32,
1224 .write = hl_data_write32
1225};
1226
1227static const struct file_operations hl_data64b_fops = {
1228 .owner = THIS_MODULE,
1229 .read = hl_data_read64,
1230 .write = hl_data_write64
1231};
1232
1233static const struct file_operations hl_dma_size_fops = {
1234 .owner = THIS_MODULE,
1235 .write = hl_dma_size_write
1236};
1237
1238static const struct file_operations hl_i2c_data_fops = {
1239 .owner = THIS_MODULE,
1240 .read = hl_i2c_data_read,
1241 .write = hl_i2c_data_write
1242};
1243
1244static const struct file_operations hl_power_fops = {
1245 .owner = THIS_MODULE,
1246 .read = hl_get_power_state,
1247 .write = hl_set_power_state
1248};
1249
1250static const struct file_operations hl_led0_fops = {
1251 .owner = THIS_MODULE,
1252 .write = hl_led0_write
1253};
1254
1255static const struct file_operations hl_led1_fops = {
1256 .owner = THIS_MODULE,
1257 .write = hl_led1_write
1258};
1259
1260static const struct file_operations hl_led2_fops = {
1261 .owner = THIS_MODULE,
1262 .write = hl_led2_write
1263};
1264
1265static const struct file_operations hl_device_fops = {
1266 .owner = THIS_MODULE,
1267 .read = hl_device_read,
1268 .write = hl_device_write
1269};
1270
1271static const struct file_operations hl_clk_gate_fops = {
1272 .owner = THIS_MODULE,
1273 .read = hl_clk_gate_read,
1274 .write = hl_clk_gate_write
1275};
1276
1277static const struct file_operations hl_stop_on_err_fops = {
1278 .owner = THIS_MODULE,
1279 .read = hl_stop_on_err_read,
1280 .write = hl_stop_on_err_write
1281};
1282
1283static const struct file_operations hl_security_violations_fops = {
1284 .owner = THIS_MODULE,
1285 .read = hl_security_violations_read
1286};
1287
1288static const struct file_operations hl_state_dump_fops = {
1289 .owner = THIS_MODULE,
1290 .read = hl_state_dump_read,
1291 .write = hl_state_dump_write
1292};
1293
1294static const struct file_operations hl_timeout_locked_fops = {
1295 .owner = THIS_MODULE,
1296 .read = hl_timeout_locked_read,
1297 .write = hl_timeout_locked_write
1298};
1299
1300static const struct hl_info_list hl_debugfs_list[] = {
1301 {"command_buffers", command_buffers_show, NULL},
1302 {"command_submission", command_submission_show, NULL},
1303 {"command_submission_jobs", command_submission_jobs_show, NULL},
1304 {"userptr", userptr_show, NULL},
1305 {"vm", vm_show, NULL},
1306 {"userptr_lookup", userptr_lookup_show, userptr_lookup_write},
1307 {"mmu", mmu_show, mmu_asid_va_write},
1308 {"engines", engines_show, NULL}
1309};
1310
1311static int hl_debugfs_open(struct inode *inode, struct file *file)
1312{
1313 struct hl_debugfs_entry *node = inode->i_private;
1314
1315 return single_open(file, node->info_ent->show, node);
1316}
1317
1318static ssize_t hl_debugfs_write(struct file *file, const char __user *buf,
1319 size_t count, loff_t *f_pos)
1320{
1321 struct hl_debugfs_entry *node = file->f_inode->i_private;
1322
1323 if (node->info_ent->write)
1324 return node->info_ent->write(file, buf, count, f_pos);
1325 else
1326 return -EINVAL;
1327
1328}
1329
1330static const struct file_operations hl_debugfs_fops = {
1331 .owner = THIS_MODULE,
1332 .open = hl_debugfs_open,
1333 .read = seq_read,
1334 .write = hl_debugfs_write,
1335 .llseek = seq_lseek,
1336 .release = single_release,
1337};
1338
1339void hl_debugfs_add_device(struct hl_device *hdev)
1340{
1341 struct hl_dbg_device_entry *dev_entry = &hdev->hl_debugfs;
1342 int count = ARRAY_SIZE(hl_debugfs_list);
1343 struct hl_debugfs_entry *entry;
1344 int i;
1345
1346 dev_entry->hdev = hdev;
1347 dev_entry->entry_arr = kmalloc_array(count,
1348 sizeof(struct hl_debugfs_entry),
1349 GFP_KERNEL);
1350 if (!dev_entry->entry_arr)
1351 return;
1352
1353 dev_entry->blob_desc.size = 0;
1354 dev_entry->blob_desc.data = NULL;
1355
1356 INIT_LIST_HEAD(&dev_entry->file_list);
1357 INIT_LIST_HEAD(&dev_entry->cb_list);
1358 INIT_LIST_HEAD(&dev_entry->cs_list);
1359 INIT_LIST_HEAD(&dev_entry->cs_job_list);
1360 INIT_LIST_HEAD(&dev_entry->userptr_list);
1361 INIT_LIST_HEAD(&dev_entry->ctx_mem_hash_list);
1362 mutex_init(&dev_entry->file_mutex);
1363 init_rwsem(&dev_entry->state_dump_sem);
1364 spin_lock_init(&dev_entry->cb_spinlock);
1365 spin_lock_init(&dev_entry->cs_spinlock);
1366 spin_lock_init(&dev_entry->cs_job_spinlock);
1367 spin_lock_init(&dev_entry->userptr_spinlock);
1368 spin_lock_init(&dev_entry->ctx_mem_hash_spinlock);
1369
1370 dev_entry->root = debugfs_create_dir(dev_name(hdev->dev),
1371 hl_debug_root);
1372
1373 debugfs_create_x64("addr",
1374 0644,
1375 dev_entry->root,
1376 &dev_entry->addr);
1377
1378 debugfs_create_file("data32",
1379 0644,
1380 dev_entry->root,
1381 dev_entry,
1382 &hl_data32b_fops);
1383
1384 debugfs_create_file("data64",
1385 0644,
1386 dev_entry->root,
1387 dev_entry,
1388 &hl_data64b_fops);
1389
1390 debugfs_create_file("set_power_state",
1391 0200,
1392 dev_entry->root,
1393 dev_entry,
1394 &hl_power_fops);
1395
1396 debugfs_create_u8("i2c_bus",
1397 0644,
1398 dev_entry->root,
1399 &dev_entry->i2c_bus);
1400
1401 debugfs_create_u8("i2c_addr",
1402 0644,
1403 dev_entry->root,
1404 &dev_entry->i2c_addr);
1405
1406 debugfs_create_u8("i2c_reg",
1407 0644,
1408 dev_entry->root,
1409 &dev_entry->i2c_reg);
1410
1411 debugfs_create_u8("i2c_len",
1412 0644,
1413 dev_entry->root,
1414 &dev_entry->i2c_len);
1415
1416 debugfs_create_file("i2c_data",
1417 0644,
1418 dev_entry->root,
1419 dev_entry,
1420 &hl_i2c_data_fops);
1421
1422 debugfs_create_file("led0",
1423 0200,
1424 dev_entry->root,
1425 dev_entry,
1426 &hl_led0_fops);
1427
1428 debugfs_create_file("led1",
1429 0200,
1430 dev_entry->root,
1431 dev_entry,
1432 &hl_led1_fops);
1433
1434 debugfs_create_file("led2",
1435 0200,
1436 dev_entry->root,
1437 dev_entry,
1438 &hl_led2_fops);
1439
1440 debugfs_create_file("device",
1441 0200,
1442 dev_entry->root,
1443 dev_entry,
1444 &hl_device_fops);
1445
1446 debugfs_create_file("clk_gate",
1447 0200,
1448 dev_entry->root,
1449 dev_entry,
1450 &hl_clk_gate_fops);
1451
1452 debugfs_create_file("stop_on_err",
1453 0644,
1454 dev_entry->root,
1455 dev_entry,
1456 &hl_stop_on_err_fops);
1457
1458 debugfs_create_file("dump_security_violations",
1459 0644,
1460 dev_entry->root,
1461 dev_entry,
1462 &hl_security_violations_fops);
1463
1464 debugfs_create_file("dma_size",
1465 0200,
1466 dev_entry->root,
1467 dev_entry,
1468 &hl_dma_size_fops);
1469
1470 debugfs_create_blob("data_dma",
1471 0400,
1472 dev_entry->root,
1473 &dev_entry->blob_desc);
1474
1475 debugfs_create_x8("skip_reset_on_timeout",
1476 0644,
1477 dev_entry->root,
1478 &hdev->reset_info.skip_reset_on_timeout);
1479
1480 debugfs_create_file("state_dump",
1481 0600,
1482 dev_entry->root,
1483 dev_entry,
1484 &hl_state_dump_fops);
1485
1486 debugfs_create_file("timeout_locked",
1487 0644,
1488 dev_entry->root,
1489 dev_entry,
1490 &hl_timeout_locked_fops);
1491
1492 for (i = 0, entry = dev_entry->entry_arr ; i < count ; i++, entry++) {
1493 debugfs_create_file(hl_debugfs_list[i].name,
1494 0444,
1495 dev_entry->root,
1496 entry,
1497 &hl_debugfs_fops);
1498 entry->info_ent = &hl_debugfs_list[i];
1499 entry->dev_entry = dev_entry;
1500 }
1501}
1502
1503void hl_debugfs_remove_device(struct hl_device *hdev)
1504{
1505 struct hl_dbg_device_entry *entry = &hdev->hl_debugfs;
1506 int i;
1507
1508 debugfs_remove_recursive(entry->root);
1509
1510 mutex_destroy(&entry->file_mutex);
1511
1512 vfree(entry->blob_desc.data);
1513
1514 for (i = 0; i < ARRAY_SIZE(entry->state_dump); ++i)
1515 vfree(entry->state_dump[i]);
1516
1517 kfree(entry->entry_arr);
1518}
1519
1520void hl_debugfs_add_file(struct hl_fpriv *hpriv)
1521{
1522 struct hl_dbg_device_entry *dev_entry = &hpriv->hdev->hl_debugfs;
1523
1524 mutex_lock(&dev_entry->file_mutex);
1525 list_add(&hpriv->debugfs_list, &dev_entry->file_list);
1526 mutex_unlock(&dev_entry->file_mutex);
1527}
1528
1529void hl_debugfs_remove_file(struct hl_fpriv *hpriv)
1530{
1531 struct hl_dbg_device_entry *dev_entry = &hpriv->hdev->hl_debugfs;
1532
1533 mutex_lock(&dev_entry->file_mutex);
1534 list_del(&hpriv->debugfs_list);
1535 mutex_unlock(&dev_entry->file_mutex);
1536}
1537
1538void hl_debugfs_add_cb(struct hl_cb *cb)
1539{
1540 struct hl_dbg_device_entry *dev_entry = &cb->hdev->hl_debugfs;
1541
1542 spin_lock(&dev_entry->cb_spinlock);
1543 list_add(&cb->debugfs_list, &dev_entry->cb_list);
1544 spin_unlock(&dev_entry->cb_spinlock);
1545}
1546
1547void hl_debugfs_remove_cb(struct hl_cb *cb)
1548{
1549 struct hl_dbg_device_entry *dev_entry = &cb->hdev->hl_debugfs;
1550
1551 spin_lock(&dev_entry->cb_spinlock);
1552 list_del(&cb->debugfs_list);
1553 spin_unlock(&dev_entry->cb_spinlock);
1554}
1555
1556void hl_debugfs_add_cs(struct hl_cs *cs)
1557{
1558 struct hl_dbg_device_entry *dev_entry = &cs->ctx->hdev->hl_debugfs;
1559
1560 spin_lock(&dev_entry->cs_spinlock);
1561 list_add(&cs->debugfs_list, &dev_entry->cs_list);
1562 spin_unlock(&dev_entry->cs_spinlock);
1563}
1564
1565void hl_debugfs_remove_cs(struct hl_cs *cs)
1566{
1567 struct hl_dbg_device_entry *dev_entry = &cs->ctx->hdev->hl_debugfs;
1568
1569 spin_lock(&dev_entry->cs_spinlock);
1570 list_del(&cs->debugfs_list);
1571 spin_unlock(&dev_entry->cs_spinlock);
1572}
1573
1574void hl_debugfs_add_job(struct hl_device *hdev, struct hl_cs_job *job)
1575{
1576 struct hl_dbg_device_entry *dev_entry = &hdev->hl_debugfs;
1577
1578 spin_lock(&dev_entry->cs_job_spinlock);
1579 list_add(&job->debugfs_list, &dev_entry->cs_job_list);
1580 spin_unlock(&dev_entry->cs_job_spinlock);
1581}
1582
1583void hl_debugfs_remove_job(struct hl_device *hdev, struct hl_cs_job *job)
1584{
1585 struct hl_dbg_device_entry *dev_entry = &hdev->hl_debugfs;
1586
1587 spin_lock(&dev_entry->cs_job_spinlock);
1588 list_del(&job->debugfs_list);
1589 spin_unlock(&dev_entry->cs_job_spinlock);
1590}
1591
1592void hl_debugfs_add_userptr(struct hl_device *hdev, struct hl_userptr *userptr)
1593{
1594 struct hl_dbg_device_entry *dev_entry = &hdev->hl_debugfs;
1595
1596 spin_lock(&dev_entry->userptr_spinlock);
1597 list_add(&userptr->debugfs_list, &dev_entry->userptr_list);
1598 spin_unlock(&dev_entry->userptr_spinlock);
1599}
1600
1601void hl_debugfs_remove_userptr(struct hl_device *hdev,
1602 struct hl_userptr *userptr)
1603{
1604 struct hl_dbg_device_entry *dev_entry = &hdev->hl_debugfs;
1605
1606 spin_lock(&dev_entry->userptr_spinlock);
1607 list_del(&userptr->debugfs_list);
1608 spin_unlock(&dev_entry->userptr_spinlock);
1609}
1610
1611void hl_debugfs_add_ctx_mem_hash(struct hl_device *hdev, struct hl_ctx *ctx)
1612{
1613 struct hl_dbg_device_entry *dev_entry = &hdev->hl_debugfs;
1614
1615 spin_lock(&dev_entry->ctx_mem_hash_spinlock);
1616 list_add(&ctx->debugfs_list, &dev_entry->ctx_mem_hash_list);
1617 spin_unlock(&dev_entry->ctx_mem_hash_spinlock);
1618}
1619
1620void hl_debugfs_remove_ctx_mem_hash(struct hl_device *hdev, struct hl_ctx *ctx)
1621{
1622 struct hl_dbg_device_entry *dev_entry = &hdev->hl_debugfs;
1623
1624 spin_lock(&dev_entry->ctx_mem_hash_spinlock);
1625 list_del(&ctx->debugfs_list);
1626 spin_unlock(&dev_entry->ctx_mem_hash_spinlock);
1627}
1628
1629
1630
1631
1632
1633
1634
1635
1636void hl_debugfs_set_state_dump(struct hl_device *hdev, char *data,
1637 unsigned long length)
1638{
1639 struct hl_dbg_device_entry *dev_entry = &hdev->hl_debugfs;
1640
1641 down_write(&dev_entry->state_dump_sem);
1642
1643 dev_entry->state_dump_head = (dev_entry->state_dump_head + 1) %
1644 ARRAY_SIZE(dev_entry->state_dump);
1645 vfree(dev_entry->state_dump[dev_entry->state_dump_head]);
1646 dev_entry->state_dump[dev_entry->state_dump_head] = data;
1647
1648 up_write(&dev_entry->state_dump_sem);
1649}
1650
1651void __init hl_debugfs_init(void)
1652{
1653 hl_debug_root = debugfs_create_dir("habanalabs", NULL);
1654}
1655
1656void hl_debugfs_fini(void)
1657{
1658 debugfs_remove_recursive(hl_debug_root);
1659}
1660
