File: nv-reg.h

package info (click to toggle)
nvidia-open-gpu-kernel-modules 535.261.03-1
  • links: PTS, VCS
  • area: contrib
  • in suites: bookworm-proposed-updates
  • size: 80,736 kB
  • sloc: ansic: 1,033,792; cpp: 21,829; sh: 3,575; makefile: 614; python: 189
file content (932 lines) | stat: -rw-r--r-- 33,535 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
/*
 * SPDX-FileCopyrightText: Copyright (c) 2006-2021 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 * SPDX-License-Identifier: MIT
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

//
// This file holds Unix-specific NVIDIA driver options
//

#ifndef _RM_REG_H_
#define _RM_REG_H_

#include "nvtypes.h"
#include "nv-firmware-registry.h"

/*
 * use NV_REG_STRING to stringify a registry key when using that registry key
 */

#define __NV_REG_STRING(regkey)  #regkey
#define NV_REG_STRING(regkey)  __NV_REG_STRING(regkey)

/*
 * use NV_DEFINE_REG_ENTRY and NV_DEFINE_PARAMS_TABLE_ENTRY to simplify definition
 * of registry keys in the kernel module source code.
 */

#define __NV_REG_VAR(regkey)  NVreg_##regkey

#if defined(NV_MODULE_PARAMETER)
#define NV_DEFINE_REG_ENTRY(regkey, default_value)        \
    static NvU32 __NV_REG_VAR(regkey) = (default_value);  \
    NV_MODULE_PARAMETER(__NV_REG_VAR(regkey))
#define NV_DEFINE_REG_ENTRY_GLOBAL(regkey, default_value) \
    NvU32 __NV_REG_VAR(regkey) = (default_value);         \
    NV_MODULE_PARAMETER(__NV_REG_VAR(regkey))
#else
#define NV_DEFINE_REG_ENTRY(regkey, default_value)        \
    static NvU32 __NV_REG_VAR(regkey) = (default_value)
#define NV_DEFINE_REG_ENTRY_GLOBAL(regkey, default_value) \
    NvU32 __NV_REG_VAR(regkey) = (default_value)
#endif

#if defined(NV_MODULE_STRING_PARAMETER)
#define NV_DEFINE_REG_STRING_ENTRY(regkey, default_value) \
    char *__NV_REG_VAR(regkey) = (default_value);         \
    NV_MODULE_STRING_PARAMETER(__NV_REG_VAR(regkey))
#else
#define NV_DEFINE_REG_STRING_ENTRY(regkey, default_value) \
    char *__NV_REG_VAR(regkey) = (default_value)
#endif

#define NV_DEFINE_PARAMS_TABLE_ENTRY(regkey) \
    { NV_REG_STRING(regkey), &__NV_REG_VAR(regkey) }

/*
 * Like NV_DEFINE_PARMS_TABLE_ENTRY, but allows a mismatch between the name of
 * the regkey and the name of the module parameter. When using this macro, the
 * name of the parameter is passed to the extra "parameter" argument, and it is
 * this name that must be used in the NV_DEFINE_REG_ENTRY() macro.
 */

#define NV_DEFINE_PARAMS_TABLE_ENTRY_CUSTOM_NAME(regkey, parameter) \
    { NV_REG_STRING(regkey), &__NV_REG_VAR(parameter)}

/*
 *----------------- registry key definitions--------------------------
 */

/*
 * Option: ModifyDeviceFiles
 *
 * Description:
 *
 * When this option is enabled, the NVIDIA driver will verify the validity
 * of the NVIDIA device files in /dev and attempt to dynamically modify
 * and/or (re-)create them, if necessary. If you don't wish for the NVIDIA
 * driver to touch the device files, you can use this registry key.
 *
 * This module parameter is only honored by the NVIDIA GPU driver and NVIDIA
 * capability driver. Furthermore, the NVIDIA capability driver provides
 * modifiable /proc file entry (DeviceFileModify=0/1) to alter the behavior of
 * this module parameter per device file.
 *
 * Possible Values:
 *  0 = disable dynamic device file management
 *  1 = enable  dynamic device file management (default)
 */

#define __NV_MODIFY_DEVICE_FILES ModifyDeviceFiles
#define NV_REG_MODIFY_DEVICE_FILES NV_REG_STRING(__NV_MODIFY_DEVICE_FILES)

/*
 * Option: DeviceFileUID
 *
 * Description:
 *
 * This registry key specifies the UID assigned to the NVIDIA device files
 * created and/or modified by the NVIDIA driver when dynamic device file
 * management is enabled.
 *
 * This module parameter is only honored by the NVIDIA GPU driver.
 *
 * The default UID is 0 ('root').
 */

#define __NV_DEVICE_FILE_UID DeviceFileUID
#define NV_REG_DEVICE_FILE_UID NV_REG_STRING(__NV_DEVICE_FILE_UID)

/*
 * Option: DeviceFileGID
 *
 * Description:
 *
 * This registry key specifies the GID assigned to the NVIDIA device files
 * created and/or modified by the NVIDIA driver when dynamic device file
 * management is enabled.
 *
 * This module parameter is only honored by the NVIDIA GPU driver.
 *
 * The default GID is 0 ('root').
 */

#define __NV_DEVICE_FILE_GID DeviceFileGID
#define NV_REG_DEVICE_FILE_GID NV_REG_STRING(__NV_DEVICE_FILE_GID)

/*
 * Option: DeviceFileMode
 *
 * Description:
 *
 * This registry key specifies the device file mode assigned to the NVIDIA
 * device files created and/or modified by the NVIDIA driver when dynamic
 * device file management is enabled.
 *
 * This module parameter is only honored by the NVIDIA GPU driver.
 *
 * The default mode is 0666 (octal, rw-rw-rw-).
 */

#define __NV_DEVICE_FILE_MODE DeviceFileMode
#define NV_REG_DEVICE_FILE_MODE NV_REG_STRING(__NV_DEVICE_FILE_MODE)

/*
 * Option: ResmanDebugLevel
 *
 * Default value: ~0
 */

#define __NV_RESMAN_DEBUG_LEVEL ResmanDebugLevel
#define NV_REG_RESMAN_DEBUG_LEVEL NV_REG_STRING(__NV_RESMAN_DEBUG_LEVEL)

/*
 * Option: RmLogonRC
 *
 * Default value: 1
 */

#define __NV_RM_LOGON_RC RmLogonRC
#define NV_REG_RM_LOGON_RC NV_REG_STRING(__NV_RM_LOGON_RC)

/*
 * Option: InitializeSystemMemoryAllocations
 *
 * Description:
 *
 * The NVIDIA Linux driver normally clears system memory it allocates
 * for use with GPUs or within the driver stack. This is to ensure
 * that potentially sensitive data is not rendered accessible by
 * arbitrary user applications.
 *
 * Owners of single-user systems or similar trusted configurations may
 * choose to disable the aforementioned clears using this option and
 * potentially improve performance.
 *
 * Possible values:
 *
 *  1 = zero out system memory allocations (default)
 *  0 = do not perform memory clears
 */

#define __NV_INITIALIZE_SYSTEM_MEMORY_ALLOCATIONS \
    InitializeSystemMemoryAllocations
#define NV_REG_INITIALIZE_SYSTEM_MEMORY_ALLOCATIONS \
    NV_REG_STRING(__NV_INITIALIZE_SYSTEM_MEMORY_ALLOCATIONS)

/*
 * Option: RegistryDwords
 *
 * Description:
 *
 * This option accepts a semicolon-separated list of key=value pairs. Each
 * key name is checked against the table of static options; if a match is
 * found, the static option value is overridden, but invalid options remain
 * invalid. Pairs that do not match an entry in the static option table
 * are passed on to the RM directly.
 *
 * Format:
 *
 *  NVreg_RegistryDwords="<key=value>;<key=value>;..."
 */

#define __NV_REGISTRY_DWORDS RegistryDwords
#define NV_REG_REGISTRY_DWORDS NV_REG_STRING(__NV_REGISTRY_DWORDS)

/*
 * Option: RegistryDwordsPerDevice
 *
 * Description:
 *
 * This option allows to specify registry keys per GPU device. It helps to
 * control registry at GPU level of granularity. It accepts a semicolon
 * separated list of key=value pairs. The first key value pair MUST be
 * "pci=DDDD:BB:DD.F;" where DDDD is Domain, BB is Bus Id, DD is device slot
 * number and F is the Function. This PCI BDF is used to identify which GPU to
 * assign the registry keys that follows next.
 * If a GPU corresponding to the value specified in "pci=DDDD:BB:DD.F;" is NOT
 * found, then all the registry keys that follows are skipped, until we find next
 * valid pci identified "pci=DDDD:BB:DD.F;". Following are the valid formats for
 * the value of the "pci" string:
 * 1)  bus:slot                 : Domain and function defaults to 0.
 * 2)  domain:bus:slot          : Function defaults to 0.
 * 3)  domain:bus:slot.func     : Complete PCI dev id string.
 *
 * For each of the registry keys that follows, key name is checked against the
 * table of static options; if a match is found, the static option value is
 * overridden, but invalid options remain invalid. Pairs that do not match an
 * entry in the static option table are passed on to the RM directly.
 *
 * Format:
 *
 *  NVreg_RegistryDwordsPerDevice="pci=DDDD:BB:DD.F;<key=value>;<key=value>;..; \
 *               pci=DDDD:BB:DD.F;<key=value>;..;"
 */

#define __NV_REGISTRY_DWORDS_PER_DEVICE RegistryDwordsPerDevice
#define NV_REG_REGISTRY_DWORDS_PER_DEVICE NV_REG_STRING(__NV_REGISTRY_DWORDS_PER_DEVICE)

#define __NV_RM_MSG RmMsg
#define NV_RM_MSG NV_REG_STRING(__NV_RM_MSG)

/*
 * Option: UsePageAttributeTable
 *
 * Description:
 *
 * Enable/disable use of the page attribute table (PAT) available in
 * modern x86/x86-64 processors to set the effective memory type of memory
 * mappings to write-combining (WC).
 *
 * If enabled, an x86 processor with PAT support is present and the host
 * system's Linux kernel did not configure one of the PAT entries to
 * indicate the WC memory type, the driver will change the second entry in
 * the PAT from its default (write-through (WT)) to WC at module load
 * time. If the kernel did update one of the PAT entries, the driver will
 * not modify the PAT.
 *
 * In both cases, the driver will honor attempts to map memory with the WC
 * memory type by selecting the appropriate PAT entry using the correct
 * set of PTE flags.
 *
 * Possible values:
 *
 * ~0 = use the NVIDIA driver's default logic (default)
 *  1 = enable use of the PAT for WC mappings.
 *  0 = disable use of the PAT for WC mappings.
 */

#define __NV_USE_PAGE_ATTRIBUTE_TABLE UsePageAttributeTable
#define NV_USE_PAGE_ATTRIBUTE_TABLE NV_REG_STRING(__NV_USE_PAGE_ATTRIBUTE_TABLE)

/*
 * Option: EnableMSI
 *
 * Description:
 *
 * When this option is enabled and the host kernel supports the MSI feature,
 * the NVIDIA driver will enable the PCI-E MSI capability of GPUs with the
 * support for this feature instead of using PCI-E wired interrupt.
 *
 * Possible Values:
 *
 *  0 = disable MSI interrupt
 *  1 = enable MSI interrupt (default)
 *
 */

#define __NV_ENABLE_MSI EnableMSI
#define NV_REG_ENABLE_MSI NV_REG_STRING(__NV_ENABLE_MSI)

/*
 * Option: EnablePCIeGen3
 *
 * Description:
 *
 * Due to interoperability problems seen with Kepler PCIe Gen3 capable GPUs
 * when configured on SandyBridge E desktop platforms, NVIDIA feels that
 * delivering a reliable, high-quality experience is not currently possible in
 * PCIe Gen3 mode on all PCIe Gen3 platforms. Therefore, Quadro, Tesla and
 * NVS Kepler products operate in PCIe Gen2 mode by default. You may use this
 * option to enable PCIe Gen3 support.
 *
 * This is completely unsupported!
 *
 * Possible Values:
 *
 *  0: disable PCIe Gen3 support (default)
 *  1: enable PCIe Gen3 support
 */

#define __NV_ENABLE_PCIE_GEN3 EnablePCIeGen3
#define NV_REG_ENABLE_PCIE_GEN3 NV_REG_STRING(__NV_ENABLE_PCIE_GEN3)

/*
 * Option: MemoryPoolSize
 *
 * Description:
 *
 * When set to a non-zero value, this option specifies the size of the
 * memory pool, given as a multiple of 1 GB, created on VMware ESXi to
 * satisfy any system memory allocations requested by the NVIDIA kernel
 * module.
 */

#define __NV_MEMORY_POOL_SIZE MemoryPoolSize
#define NV_REG_MEMORY_POOL_SIZE NV_REG_STRING(__NV_MEMORY_POOL_SIZE)

/*
 * Option: KMallocHeapMaxSize
 *
 * Description:
 *
 * When set to a non-zero value, this option specifies the maximum size of the
 * heap memory space reserved for kmalloc operations. Given as a
 * multiple of 1 MB created on VMware ESXi to satisfy any system memory
 * allocations requested by the NVIDIA kernel module.
 */

#define __NV_KMALLOC_HEAP_MAX_SIZE KMallocHeapMaxSize
#define NV_KMALLOC_HEAP_MAX_SIZE NV_REG_STRING(__NV_KMALLOC_HEAP_MAX_SIZE)

/*
 * Option: VMallocHeapMaxSize
 *
 * Description:
 *
 * When set to a non-zero value, this option specifies the maximum size of the
 * heap memory space reserved for vmalloc operations. Given as a
 * multiple of 1 MB created on VMware ESXi to satisfy any system memory
 * allocations requested by the NVIDIA kernel module.
 */

#define __NV_VMALLOC_HEAP_MAX_SIZE VMallocHeapMaxSize
#define NV_VMALLOC_HEAP_MAX_SIZE NV_REG_STRING(__NV_VMALLOC_HEAP_MAX_SIZE)

/*
 * Option: IgnoreMMIOCheck
 *
 * Description:
 *
 * When this option is enabled, the NVIDIA kernel module will ignore
 * MMIO limit check during device probe on VMWare ESXi kernel. This is
 * typically necessary when VMware ESXi MMIO limit differs between any
 * base version and its updates. Customer using updates can set regkey
 * to avoid probe failure.
 */

#define __NV_IGNORE_MMIO_CHECK IgnoreMMIOCheck
#define NV_REG_IGNORE_MMIO_CHECK NV_REG_STRING(__NV_IGNORE_MMIO_CHECK)

/*
 * Option: TCEBypassMode
 *
 * Description:
 *
 * When this option is enabled, the NVIDIA kernel module will attempt to setup
 * all GPUs in "TCE bypass mode", in which DMA mappings of system memory bypass
 * the IOMMU/TCE remapping hardware on IBM POWER systems. This is typically
 * necessary for CUDA applications in which large system memory mappings may
 * exceed the default TCE remapping capacity when operated in non-bypass mode.
 *
 * This option has no effect on non-POWER platforms.
 *
 * Possible Values:
 *
 *  0: system default TCE mode on all GPUs
 *  1: enable TCE bypass mode on all GPUs
 *  2: disable TCE bypass mode on all GPUs
 */
#define __NV_TCE_BYPASS_MODE TCEBypassMode
#define NV_REG_TCE_BYPASS_MODE NV_REG_STRING(__NV_TCE_BYPASS_MODE)

#define NV_TCE_BYPASS_MODE_DEFAULT  0
#define NV_TCE_BYPASS_MODE_ENABLE   1
#define NV_TCE_BYPASS_MODE_DISABLE  2

/*
 * Option: pci
 *
 * Description:
 *
 * On Unix platforms, per GPU based registry key can be specified as:
 * NVreg_RegistryDwordsPerDevice="pci=DDDD:BB:DD.F,<per-gpu registry keys>".
 * where DDDD:BB:DD.F refers to Domain:Bus:Device.Function.
 * We need this key "pci" to identify what follows next is a PCI BDF identifier,
 * for which the registry keys are to be applied.
 *
 * This define is not used on non-UNIX platforms.
 *
 * Possible Formats for value:
 *
 * 1)  bus:slot                 : Domain and function defaults to 0.
 * 2)  domain:bus:slot          : Function defaults to 0.
 * 3)  domain:bus:slot.func     : Complete PCI BDF identifier string.
 */
#define __NV_PCI_DEVICE_BDF pci
#define NV_REG_PCI_DEVICE_BDF NV_REG_STRING(__NV_PCI_DEVICE_BDF)

/*
 * Option: EnableStreamMemOPs
 *
 * Description:
 *
 * When this option is enabled, the CUDA driver will enable support for
 * CUDA Stream Memory Operations in user-mode applications, which are so
 * far required to be disabled by default due to limited support in
 * devtools.
 *
 * Note: this is treated as a hint. MemOPs may still be left disabled by CUDA
 * driver for other reasons.
 *
 * Possible Values:
 *
 *  0 = disable feature (default)
 *  1 = enable feature
 */
#define __NV_ENABLE_STREAM_MEMOPS EnableStreamMemOPs
#define NV_REG_ENABLE_STREAM_MEMOPS NV_REG_STRING(__NV_ENABLE_STREAM_MEMOPS)

/*
 * Option: EnableUserNUMAManagement
 *
 * Description:
 *
 * When this option is enabled, the NVIDIA kernel module will require the
 * user-mode NVIDIA Persistence daemon to manage the onlining and offlining
 * of its NUMA device memory.
 *
 * This option has no effect on platforms that do not support onlining
 * device memory to a NUMA node (this feature is only supported on certain
 * POWER9 systems).
 *
 * Possible Values:
 *
 *  0: disable user-mode NUMA management
 *  1: enable user-mode NUMA management (default)
 */
#define __NV_ENABLE_USER_NUMA_MANAGEMENT EnableUserNUMAManagement
#define NV_REG_ENABLE_USER_NUMA_MANAGEMENT NV_REG_STRING(__NV_ENABLE_USER_NUMA_MANAGEMENT)

/*
 * Option: GpuBlacklist
 *
 * Description:
 *
 * This option accepts a list of blacklisted GPUs, separated by commas, that
 * cannot be attached or used. Each blacklisted GPU is identified by a UUID in
 * the ASCII format with leading "GPU-". An exact match is required; no partial
 * UUIDs. This regkey is deprecated and will be removed in the future. Use
 * NV_REG_EXCLUDED_GPUS instead.
 */
#define __NV_GPU_BLACKLIST GpuBlacklist
#define NV_REG_GPU_BLACKLIST NV_REG_STRING(__NV_GPU_BLACKLIST)

/*
 * Option: ExcludedGpus
 *
 * Description:
 *
 * This option accepts a list of excluded GPUs, separated by commas, that
 * cannot be attached or used. Each excluded GPU is identified by a UUID in
 * the ASCII format with leading "GPU-". An exact match is required; no partial
 * UUIDs.
 */
#define __NV_EXCLUDED_GPUS ExcludedGpus
#define NV_REG_EXCLUDED_GPUS NV_REG_STRING(__NV_EXCLUDED_GPUS)

/*
 * Option: NvLinkDisable
 *
 * Description:
 *
 * When this option is enabled, the NVIDIA kernel module will not attempt to
 * initialize or train NVLink connections for any GPUs. System reboot is required
 * for changes to take affect.
 *
 * This option has no effect if no GPUs support NVLink.
 *
 * Possible Values:
 *
 *  0: Do not disable NVLink (default)
 *  1: Disable NVLink
 */
#define __NV_NVLINK_DISABLE NvLinkDisable
#define NV_REG_NVLINK_DISABLE NV_REG_STRING(__NV_NVLINK_DISABLE)

/*
 * Option: RestrictProfilingToAdminUsers
 *
 * Description:
 *
 * When this option is enabled, the NVIDIA kernel module will prevent users
 * without administrative access (i.e., the CAP_SYS_ADMIN capability) from
 * using GPU performance counters.
 *
 * Possible Values:
 *
 * 0: Do not restrict GPU counters (default)
 * 1: Restrict GPU counters to system administrators only
 */

#define __NV_RM_PROFILING_ADMIN_ONLY RmProfilingAdminOnly
#define __NV_RM_PROFILING_ADMIN_ONLY_PARAMETER RestrictProfilingToAdminUsers
#define NV_REG_RM_PROFILING_ADMIN_ONLY NV_REG_STRING(__NV_RM_PROFILING_ADMIN_ONLY)

/*
 * Option: TemporaryFilePath
 *
 * Description:
 *
 * When specified, this option changes the location in which the
 * NVIDIA kernel module will create unnamed temporary files (e.g. to
 * save the contents of video memory in).  The indicated file must
 * be a directory.  By default, temporary files are created in /tmp.
 */
#define __NV_TEMPORARY_FILE_PATH TemporaryFilePath
#define NV_REG_TEMPORARY_FILE_PATH NV_REG_STRING(__NV_TEMPORARY_FILE_PATH)

/*
 * Option: PreserveVideoMemoryAllocations
 *
 * If enabled, this option prompts the NVIDIA kernel module to save and
 * restore all video memory allocations across system power management
 * cycles, i.e. suspend/resume and hibernate/restore.  Otherwise,
 * only select allocations are preserved.
 *
 * Possible Values:
 *
 *  0: Preserve only select video memory allocations (default)
 *  1: Preserve all video memory allocations
 */
#define __NV_PRESERVE_VIDEO_MEMORY_ALLOCATIONS PreserveVideoMemoryAllocations
#define NV_REG_PRESERVE_VIDEO_MEMORY_ALLOCATIONS \
    NV_REG_STRING(__NV_PRESERVE_VIDEO_MEMORY_ALLOCATIONS)

/*
 * Option: EnableS0ixPowerManagement
 *
 * When this option is enabled, the NVIDIA driver will use S0ix-based
 * power management for system suspend/resume, if both the platform and
 * the GPU support S0ix.
 *
 * During system suspend, if S0ix is enabled and
 * video memory usage is above the threshold configured by
 * 'S0ixPowerManagementVideoMemoryThreshold', video memory will be kept
 * in self-refresh mode while the rest of the GPU is powered down.
 *
 * Otherwise, the driver will copy video memory contents to system memory
 * and power off the video memory along with the GPU.
 *
 * Possible Values:
 *
 *  0: Disable S0ix based power management (default)
 *  1: Enable S0ix based power management
 */

#define __NV_ENABLE_S0IX_POWER_MANAGEMENT EnableS0ixPowerManagement
#define NV_REG_ENABLE_S0IX_POWER_MANAGEMENT \
    NV_REG_STRING(__NV_ENABLE_S0IX_POWER_MANAGEMENT)

/*
 * Option: S0ixPowerManagementVideoMemoryThreshold
 *
 * This option controls the threshold that the NVIDIA driver will use during
 * S0ix-based system power management.
 *
 * When S0ix is enabled and the system is suspended, the driver will
 * compare the amount of video memory in use with this threshold,
 * to decide whether to keep video memory in self-refresh or copy video
 * memory content to system memory.
 *
 * See the 'EnableS0ixPowerManagement' option.
 *
 * Values are expressed in Megabytes (1048576 bytes).
 *
 * Default value for this option is 256MB.
 *
 */
#define __NV_S0IX_POWER_MANAGEMENT_VIDEO_MEMORY_THRESHOLD \
    S0ixPowerManagementVideoMemoryThreshold
#define NV_REG_S0IX_POWER_MANAGEMENT_VIDEO_MEMORY_THRESHOLD \
    NV_REG_STRING(__NV_S0IX_POWER_MANAGEMENT_VIDEO_MEMORY_THRESHOLD)

/*
 * Option: DynamicPowerManagement
 *
 * This option controls how aggressively the NVIDIA kernel module will manage
 * GPU power through kernel interfaces.
 *
 * Possible Values:
 *
 *  0: Never allow the GPU to be powered down (default).
 *  1: Power down the GPU when it is not initialized.
 *  2: Power down the GPU after it has been inactive for some time.
 *  3: (Default) Power down the GPU after a period of inactivity (i.e.,
 *     mode 2) on Ampere or later notebooks.  Otherwise, do not power down
 *     the GPU.
 */
#define __NV_DYNAMIC_POWER_MANAGEMENT DynamicPowerManagement
#define NV_REG_DYNAMIC_POWER_MANAGEMENT \
    NV_REG_STRING(__NV_DYNAMIC_POWER_MANAGEMENT)

#define NV_REG_DYNAMIC_POWER_MANAGEMENT_NEVER   0
#define NV_REG_DYNAMIC_POWER_MANAGEMENT_COARSE  1
#define NV_REG_DYNAMIC_POWER_MANAGEMENT_FINE    2
#define NV_REG_DYNAMIC_POWER_MANAGEMENT_DEFAULT 3

/*
 * Option: DynamicPowerManagementVideoMemoryThreshold
 *
 * This option controls the threshold that the NVIDIA driver will use
 * when selecting the dynamic power management scheme.
 *
 * When the driver detects that the GPU is idle, it will compare the amount
 * of video memory in use with this threshold.
 *
 * If the current video memory usage is less than the threshold, the
 * driver may preserve video memory contents in system memory and power off
 * the video memory along with the GPU itself, if supported.  Otherwise,
 * the video memory will be kept in self-refresh mode while powering down
 * the rest of the GPU, if supported.
 *
 * Values are expressed in Megabytes (1048576 bytes).
 *
 * If the requested value is greater than 200MB (the default), then it
 * will be capped to 200MB.
 */
#define __NV_DYNAMIC_POWER_MANAGEMENT_VIDEO_MEMORY_THRESHOLD \
    DynamicPowerManagementVideoMemoryThreshold
#define NV_REG_DYNAMIC_POWER_MANAGEMENT_VIDEO_MEMORY_THRESHOLD \
    NV_REG_STRING(__NV_DYNAMIC_POWER_MANAGEMENT_VIDEO_MEMORY_THRESHOLD)

/*
 * Option: RegisterPCIDriver
 *
 * Description:
 *
 * When this option is enabled, the NVIDIA driver will register with
 * PCI subsystem.
 *
 * Possible values:
 *
 *  1 - register as PCI driver (default)
 *  0 - do not register as PCI driver
 */

#define __NV_REGISTER_PCI_DRIVER  RegisterPCIDriver
#define NV_REG_REGISTER_PCI_DRIVER NV_REG_STRING(__NV_REGISTER_PCI_DRIVER)

/*
 * Option: EnablePCIERelaxedOrderingMode
 *
 * Description:
 *
 * When this option is enabled, the registry key RmSetPCIERelaxedOrdering will
 * be set to NV_REG_STR_RM_SET_PCIE_TLP_RELAXED_ORDERING_FORCE_ENABLE, causing
 * every device to set the relaxed ordering bit to 1 in all outbound MWr
 * transaction-layer packets. This is equivalent to setting the regkey to
 * FORCE_ENABLE as a non-per-device registry key.
 *
 * Possible values:
 *  0 - Do not enable PCIe TLP relaxed ordering bit-setting (default)
 *  1 - Enable PCIe TLP relaxed ordering bit-setting
 */
#define  __NV_ENABLE_PCIE_RELAXED_ORDERING_MODE EnablePCIERelaxedOrderingMode
#define NV_REG_ENABLE_PCIE_RELAXED_ORDERING_MODE \
    NV_REG_STRING(__NV_ENABLE_PCIE_RELAXED_ORDERING_MODE)

/*
 * Option: EnableResizableBar
 *
 * Description:
 *
 * When this option is enabled, the NVIDIA driver will attempt to resize
 * BAR1 to match framebuffer size, or the next largest available size on
 * supported machines. This is currently only implemented for Linux.
 *
 * Possible values:
 *  0 - Do not enable PCI BAR resizing
 *  1 - Enable PCI BAR resizing
 */
#define __NV_ENABLE_RESIZABLE_BAR EnableResizableBar
#define NV_REG_ENABLE_RESIZABLE_BAR NV_REG_STRING(__NV_ENABLE_RESIZABLE_BAR)

/*
 * Option: EnableGpuFirmware
 *
 * Description:
 *
 * When this option is enabled, the NVIDIA driver will enable use of GPU
 * firmware.
 *
 * If this key is set globally to the system, the driver may still attempt
 * to apply some policies to maintain uniform firmware modes across all
 * GPUS.  This may result in the driver failing initialization on some GPUs
 * to maintain such a policy.
 *
 * If this key is set using NVreg_RegistryDwordsPerDevice, then the driver 
 * will attempt to honor whatever configuration is specified without applying
 * additional policies.  This may also result in failed GPU initialzations if
 * the configuration is not possible (for example if the firmware is missing 
 * from the filesystem, or the GPU is not capable).
 *
 * NOTE: More details for this regkey can be found in nv-firmware-registry.h
 */
#define __NV_ENABLE_GPU_FIRMWARE  EnableGpuFirmware
#define NV_REG_ENABLE_GPU_FIRMWARE NV_REG_STRING(__NV_ENABLE_GPU_FIRMWARE)

/*
 * Option: EnableGpuFirmwareLogs
 *
 * When this option is enabled, the NVIDIA driver will send GPU firmware logs
 * to the system log, when possible.
 *
 * NOTE: More details for this regkey can be found in nv-firmware-registry.h
 */
#define __NV_ENABLE_GPU_FIRMWARE_LOGS  EnableGpuFirmwareLogs
#define NV_REG_ENABLE_GPU_FIRMWARE_LOGS NV_REG_STRING(__NV_ENABLE_GPU_FIRMWARE_LOGS)

/*
 * Option: EnableDbgBreakpoint
 *
 * When this option is set to a non-zero value, and the kernel is configured
 * appropriately, assertions within resman will trigger a CPU breakpoint (e.g.,
 * INT3 on x86_64), assumed to be caught by an attached debugger.
 *
 * When this option is set to the value zero (the default), assertions within
 * resman will print to the system log, but no CPU breakpoint will be triggered.
 */
#define __NV_ENABLE_DBG_BREAKPOINT EnableDbgBreakpoint


/*
 * Option: OpenRmEnableUnsupportedGpus
 *
 * Open nvidia.ko support for features beyond what is used on Data Center GPUs
 * is still fairly immature, so for now require users to opt into use of open
 * nvidia.ko with a special registry key, if not on a Data Center GPU.
 */

#define __NV_OPENRM_ENABLE_UNSUPPORTED_GPUS OpenRmEnableUnsupportedGpus
#define NV_REG_OPENRM_ENABLE_UNSUPPORTED_GPUS NV_REG_STRING(__NV_OPENRM_ENABLE_UNSUPPORTED_GPUS)
#define NV_REG_OPENRM_ENABLE_UNSUPPORTED_GPUS_DISABLE 0x00000000
#define NV_REG_OPENRM_ENABLE_UNSUPPORTED_GPUS_ENABLE  0x00000001
#define NV_REG_OPENRM_ENABLE_UNSUPPORTED_GPUS_DEFAULT NV_REG_OPENRM_ENABLE_UNSUPPORTED_GPUS_DISABLE

/*
 * Option: NVreg_DmaRemapPeerMmio
 *
 * Description:
 *
 * When this option is enabled, the NVIDIA driver will use device driver
 * APIs provided by the Linux kernel for DMA-remapping part of a device's
 * MMIO region to another device, creating e.g., IOMMU mappings as necessary.
 * When this option is disabled, the NVIDIA driver will instead only apply a
 * fixed offset, which may be zero, to CPU physical addresses to produce the
 * DMA address for the peer's MMIO region, and no IOMMU mappings will be
 * created.
 *
 * This option only affects peer MMIO DMA mappings, and not system memory
 * mappings.
 *
 * Possible Values:
 *  0 = disable dynamic DMA remapping of peer MMIO regions
 *  1 = enable dynamic DMA remapping of peer MMIO regions (default)
 */
#define __NV_DMA_REMAP_PEER_MMIO DmaRemapPeerMmio
#define NV_DMA_REMAP_PEER_MMIO NV_REG_STRING(__NV_DMA_REMAP_PEER_MMIO)
#define NV_DMA_REMAP_PEER_MMIO_DISABLE  0x00000000
#define NV_DMA_REMAP_PEER_MMIO_ENABLE   0x00000001

/*
 * Option: NVreg_RmNvlinkBandwidth
 *
 * Description:
 *
 * This option allows user to reduce the NVLINK P2P bandwidth to save power.
 * The option is in the string format.
 *
 * Possible string values:
 *   OFF:      0% bandwidth
 *   MIN:      15%-25% bandwidth depending on the system's NVLink topology
 *   HALF:     50% bandwidth
 *   3QUARTER: 75% bandwidth
 *   FULL:     100% bandwidth (default)
 *
 * This option is only for Hopper+ GPU with NVLINK version 4.0.
 */
#define __NV_RM_NVLINK_BW RmNvlinkBandwidth
#define NV_RM_NVLINK_BW NV_REG_STRING(__NV_RM_NVLINK_BW)

#if defined(NV_DEFINE_REGISTRY_KEY_TABLE)

/*
 *---------registry key parameter declarations--------------
 */

NV_DEFINE_REG_ENTRY(__NV_RESMAN_DEBUG_LEVEL, ~0);
NV_DEFINE_REG_ENTRY(__NV_RM_LOGON_RC, 1);
NV_DEFINE_REG_ENTRY_GLOBAL(__NV_MODIFY_DEVICE_FILES, 1);
NV_DEFINE_REG_ENTRY(__NV_DEVICE_FILE_UID, 0);
NV_DEFINE_REG_ENTRY(__NV_DEVICE_FILE_GID, 0);
NV_DEFINE_REG_ENTRY(__NV_DEVICE_FILE_MODE, 0666);
NV_DEFINE_REG_ENTRY(__NV_INITIALIZE_SYSTEM_MEMORY_ALLOCATIONS, 1);
NV_DEFINE_REG_ENTRY(__NV_USE_PAGE_ATTRIBUTE_TABLE, ~0);
NV_DEFINE_REG_ENTRY(__NV_ENABLE_PCIE_GEN3, 0);
NV_DEFINE_REG_ENTRY(__NV_ENABLE_MSI, 1);
NV_DEFINE_REG_ENTRY(__NV_TCE_BYPASS_MODE, NV_TCE_BYPASS_MODE_DEFAULT);
NV_DEFINE_REG_ENTRY(__NV_ENABLE_STREAM_MEMOPS, 0);
NV_DEFINE_REG_ENTRY(__NV_RM_PROFILING_ADMIN_ONLY_PARAMETER, 1);
NV_DEFINE_REG_ENTRY(__NV_PRESERVE_VIDEO_MEMORY_ALLOCATIONS, 0);
NV_DEFINE_REG_ENTRY(__NV_ENABLE_S0IX_POWER_MANAGEMENT, 0);
NV_DEFINE_REG_ENTRY(__NV_S0IX_POWER_MANAGEMENT_VIDEO_MEMORY_THRESHOLD, 256);
NV_DEFINE_REG_ENTRY(__NV_DYNAMIC_POWER_MANAGEMENT, 3);
NV_DEFINE_REG_ENTRY(__NV_DYNAMIC_POWER_MANAGEMENT_VIDEO_MEMORY_THRESHOLD, 200);
NV_DEFINE_REG_ENTRY(__NV_ENABLE_GPU_FIRMWARE, NV_REG_ENABLE_GPU_FIRMWARE_DEFAULT_VALUE);
NV_DEFINE_REG_ENTRY(__NV_ENABLE_GPU_FIRMWARE_LOGS, NV_REG_ENABLE_GPU_FIRMWARE_LOGS_ENABLE_ON_DEBUG);
NV_DEFINE_REG_ENTRY(__NV_OPENRM_ENABLE_UNSUPPORTED_GPUS, NV_REG_OPENRM_ENABLE_UNSUPPORTED_GPUS_DEFAULT);

NV_DEFINE_REG_ENTRY_GLOBAL(__NV_ENABLE_USER_NUMA_MANAGEMENT, 1);
NV_DEFINE_REG_ENTRY_GLOBAL(__NV_MEMORY_POOL_SIZE, 0);
NV_DEFINE_REG_ENTRY_GLOBAL(__NV_KMALLOC_HEAP_MAX_SIZE, 0);
NV_DEFINE_REG_ENTRY_GLOBAL(__NV_VMALLOC_HEAP_MAX_SIZE, 0);
NV_DEFINE_REG_ENTRY_GLOBAL(__NV_IGNORE_MMIO_CHECK, 0);
NV_DEFINE_REG_ENTRY_GLOBAL(__NV_NVLINK_DISABLE, 0);
NV_DEFINE_REG_ENTRY_GLOBAL(__NV_ENABLE_PCIE_RELAXED_ORDERING_MODE, 0);
NV_DEFINE_REG_ENTRY_GLOBAL(__NV_REGISTER_PCI_DRIVER, 1);
NV_DEFINE_REG_ENTRY_GLOBAL(__NV_ENABLE_RESIZABLE_BAR, 0);
NV_DEFINE_REG_ENTRY_GLOBAL(__NV_ENABLE_DBG_BREAKPOINT, 0);

NV_DEFINE_REG_STRING_ENTRY(__NV_REGISTRY_DWORDS, NULL);
NV_DEFINE_REG_STRING_ENTRY(__NV_REGISTRY_DWORDS_PER_DEVICE, NULL);
NV_DEFINE_REG_STRING_ENTRY(__NV_RM_MSG, NULL);
NV_DEFINE_REG_STRING_ENTRY(__NV_GPU_BLACKLIST, NULL);
NV_DEFINE_REG_STRING_ENTRY(__NV_TEMPORARY_FILE_PATH, NULL);
NV_DEFINE_REG_STRING_ENTRY(__NV_EXCLUDED_GPUS, NULL);
NV_DEFINE_REG_ENTRY(__NV_DMA_REMAP_PEER_MMIO, NV_DMA_REMAP_PEER_MMIO_ENABLE);
NV_DEFINE_REG_STRING_ENTRY(__NV_RM_NVLINK_BW, NULL);

/*
 *----------------registry database definition----------------------
 */

/*
 * You can enable any of the registry options disabled by default by
 * editing their respective entries in the table below. The last field
 * determines if the option is considered valid - in order for the
 * changes to take effect, you need to recompile and reload the NVIDIA
 * kernel module.
 */
nv_parm_t nv_parms[] = {
    NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_RESMAN_DEBUG_LEVEL),
    NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_RM_LOGON_RC),
    NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_MODIFY_DEVICE_FILES),
    NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_DEVICE_FILE_UID),
    NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_DEVICE_FILE_GID),
    NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_DEVICE_FILE_MODE),
    NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_INITIALIZE_SYSTEM_MEMORY_ALLOCATIONS),
    NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_USE_PAGE_ATTRIBUTE_TABLE),
    NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_ENABLE_MSI),
    NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_ENABLE_PCIE_GEN3),
    NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_MEMORY_POOL_SIZE),
    NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_KMALLOC_HEAP_MAX_SIZE),
    NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_VMALLOC_HEAP_MAX_SIZE),
    NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_IGNORE_MMIO_CHECK),
    NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_TCE_BYPASS_MODE),
    NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_ENABLE_STREAM_MEMOPS),
    NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_ENABLE_USER_NUMA_MANAGEMENT),
    NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_NVLINK_DISABLE),
    NV_DEFINE_PARAMS_TABLE_ENTRY_CUSTOM_NAME(__NV_RM_PROFILING_ADMIN_ONLY,
        __NV_RM_PROFILING_ADMIN_ONLY_PARAMETER),
    NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_PRESERVE_VIDEO_MEMORY_ALLOCATIONS),
    NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_ENABLE_S0IX_POWER_MANAGEMENT),
    NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_S0IX_POWER_MANAGEMENT_VIDEO_MEMORY_THRESHOLD),
    NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_DYNAMIC_POWER_MANAGEMENT),
    NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_DYNAMIC_POWER_MANAGEMENT_VIDEO_MEMORY_THRESHOLD),
    NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_REGISTER_PCI_DRIVER),
    NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_ENABLE_PCIE_RELAXED_ORDERING_MODE),
    NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_ENABLE_RESIZABLE_BAR),
    NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_ENABLE_GPU_FIRMWARE),
    NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_ENABLE_GPU_FIRMWARE_LOGS),
    NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_ENABLE_DBG_BREAKPOINT),
    NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_OPENRM_ENABLE_UNSUPPORTED_GPUS),
    NV_DEFINE_PARAMS_TABLE_ENTRY(__NV_DMA_REMAP_PEER_MMIO),
    {NULL, NULL}
};

#elif defined(NVRM)

extern nv_parm_t nv_parms[];

#endif /* NV_DEFINE_REGISTRY_KEY_TABLE */

#endif /* _RM_REG_H_ */