xref: /reactos/ntoskrnl/io/pnpmgr/arbiters.c (revision bbccad0e)
1 /*
2  * PROJECT:     ReactOS Kernel
3  * LICENSE:     GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
4  * PURPOSE:     Root arbiters of the PnP manager
5  * COPYRIGHT:   Copyright 2020 Vadim Galyant <vgal@rambler.ru>
6  */
7 
8 /* INCLUDES ******************************************************************/
9 
10 #include <ntoskrnl.h>
11 
12 #define NDEBUG
13 #include <debug.h>
14 
15 /* GLOBALS *******************************************************************/
16 
17 extern ARBITER_INSTANCE IopRootBusNumberArbiter;
18 extern ARBITER_INSTANCE IopRootIrqArbiter;
19 extern ARBITER_INSTANCE IopRootDmaArbiter;
20 extern ARBITER_INSTANCE IopRootMemArbiter;
21 extern ARBITER_INSTANCE IopRootPortArbiter;
22 
23 /* DATA **********************************************************************/
24 
25 /* FUNCTIONS *****************************************************************/
26 
27 /* BusNumber arbiter */
28 
29 CODE_SEG("PAGE")
30 NTSTATUS
31 NTAPI
32 IopBusNumberUnpackRequirement(
33     _In_ PIO_RESOURCE_DESCRIPTOR IoDescriptor,
34     _Out_ PUINT64 OutMinimumAddress,
35     _Out_ PUINT64 OutMaximumAddress,
36     _Out_ PUINT32 OutLength,
37     _Out_ PUINT32 OutAlignment)
38 {
39     PAGED_CODE();
40 
41     UNIMPLEMENTED;
42     return STATUS_NOT_IMPLEMENTED;
43 }
44 
45 CODE_SEG("PAGE")
46 NTSTATUS
47 NTAPI
48 IopBusNumberPackResource(
49     _In_ PIO_RESOURCE_DESCRIPTOR IoDescriptor,
50     _In_ UINT64 Start,
51     _Out_ PCM_PARTIAL_RESOURCE_DESCRIPTOR CmDescriptor)
52 {
53     PAGED_CODE();
54 
55     UNIMPLEMENTED;
56     return STATUS_NOT_IMPLEMENTED;
57 }
58 
59 CODE_SEG("PAGE")
60 NTSTATUS
61 NTAPI
62 IopBusNumberUnpackResource(
63     _In_ PCM_PARTIAL_RESOURCE_DESCRIPTOR Descriptor,
64     _Out_ PUINT64 Start,
65     _Out_ PUINT32 Length)
66 {
67     PAGED_CODE();
68 
69     UNIMPLEMENTED;
70     return STATUS_NOT_IMPLEMENTED;
71 }
72 
73 CODE_SEG("PAGE")
74 INT32
75 NTAPI
76 IopBusNumberScoreRequirement(
77     _In_ PIO_RESOURCE_DESCRIPTOR IoDescriptor)
78 {
79     PAGED_CODE();
80 
81     UNIMPLEMENTED;
82     return 0;
83 }
84 
85 #define ARB_MAX_BUS_NUMBER 0xFF
86 
87 CODE_SEG("PAGE")
88 NTSTATUS
89 NTAPI
90 IopBusNumberInitialize(VOID)
91 {
92     NTSTATUS Status;
93 
94     PAGED_CODE();
95 
96     DPRINT("IopRootBusNumberArbiter %p\n", &IopRootBusNumberArbiter);
97 
98     IopRootBusNumberArbiter.UnpackRequirement = IopBusNumberUnpackRequirement;
99     IopRootBusNumberArbiter.PackResource = IopBusNumberPackResource;
100     IopRootBusNumberArbiter.UnpackResource = IopBusNumberUnpackResource;
101     IopRootBusNumberArbiter.ScoreRequirement = IopBusNumberScoreRequirement;
102 
103     Status = ArbInitializeArbiterInstance(&IopRootBusNumberArbiter,
104                                           NULL,
105                                           CmResourceTypeBusNumber,
106                                           L"RootBusNumber",
107                                           L"Root",
108                                           NULL);
109     if (!NT_SUCCESS(Status))
110     {
111         DPRINT1("IopBusNumberInitialize: Status %p\n", Status);
112         ASSERT(FALSE);
113         return Status;
114     }
115 
116     Status = RtlAddRange(IopRootBusNumberArbiter.Allocation,
117                          (UINT64)(ARB_MAX_BUS_NUMBER + 1),
118                          (UINT64)(-1),
119                          0,
120                          0,
121                          NULL,
122                          NULL);
123 
124     return Status;
125 }
126 
127 /* Irq arbiter */
128 
129 CODE_SEG("PAGE")
130 NTSTATUS
131 NTAPI
132 IopIrqUnpackRequirement(
133     _In_ PIO_RESOURCE_DESCRIPTOR IoDescriptor,
134     _Out_ PUINT64 OutMinimumVector,
135     _Out_ PUINT64 OutMaximumVector,
136     _Out_ PUINT32 OutParam1,
137     _Out_ PUINT32 OutParam2)
138 {
139     PAGED_CODE();
140 
141     UNIMPLEMENTED;
142     return STATUS_NOT_IMPLEMENTED;
143 }
144 
145 CODE_SEG("PAGE")
146 NTSTATUS
147 NTAPI
148 IopIrqPackResource(
149     _In_ PIO_RESOURCE_DESCRIPTOR IoDescriptor,
150     _In_ UINT64 Start,
151     _Out_ PCM_PARTIAL_RESOURCE_DESCRIPTOR CmDescriptor)
152 {
153     PAGED_CODE();
154 
155     UNIMPLEMENTED;
156     return STATUS_NOT_IMPLEMENTED;
157 }
158 
159 CODE_SEG("PAGE")
160 NTSTATUS
161 NTAPI
162 IopIrqUnpackResource(
163     _In_ PCM_PARTIAL_RESOURCE_DESCRIPTOR CmDescriptor,
164     _Out_ PUINT64 Start,
165     _Out_ PUINT32 OutLength)
166 {
167     PAGED_CODE();
168 
169     UNIMPLEMENTED;
170     return STATUS_NOT_IMPLEMENTED;
171 }
172 
173 CODE_SEG("PAGE")
174 INT32
175 NTAPI
176 IopIrqScoreRequirement(
177     _In_ PIO_RESOURCE_DESCRIPTOR IoDescriptor)
178 {
179     PAGED_CODE();
180 
181     UNIMPLEMENTED;
182     return 0;
183 }
184 
185 CODE_SEG("PAGE")
186 NTSTATUS
187 NTAPI
188 IopIrqTranslateOrdering(
189     _Out_ PIO_RESOURCE_DESCRIPTOR OutIoDescriptor,
190     _In_ PIO_RESOURCE_DESCRIPTOR IoDescriptor)
191 {
192     PAGED_CODE();
193 
194     UNIMPLEMENTED;
195     return STATUS_NOT_IMPLEMENTED;
196 }
197 
198 CODE_SEG("PAGE")
199 NTSTATUS
200 NTAPI
201 IopIrqInitialize(VOID)
202 {
203     NTSTATUS Status;
204 
205     PAGED_CODE();
206 
207     DPRINT("IopRootIrqArbiter %p\n", &IopRootIrqArbiter);
208 
209     IopRootIrqArbiter.UnpackRequirement = IopIrqUnpackRequirement;
210     IopRootIrqArbiter.PackResource = IopIrqPackResource;
211     IopRootIrqArbiter.UnpackResource = IopIrqUnpackResource;
212     IopRootIrqArbiter.ScoreRequirement = IopIrqScoreRequirement;
213 
214     Status = ArbInitializeArbiterInstance(&IopRootIrqArbiter,
215                                           NULL,
216                                           CmResourceTypeInterrupt,
217                                           L"RootIRQ",
218                                           L"Root",
219                                           IopIrqTranslateOrdering);
220     return Status;
221 }
222 
223 /* Dma arbiter */
224 
225 CODE_SEG("PAGE")
226 NTSTATUS
227 NTAPI
228 IopDmaUnpackRequirement(
229     _In_ PIO_RESOURCE_DESCRIPTOR IoDescriptor,
230     _Out_ PUINT64 OutMinimumChannel,
231     _Out_ PUINT64 OutMaximumChannel,
232     _Out_ PUINT32 OutParam1,
233     _Out_ PUINT32 OutParam2)
234 {
235     PAGED_CODE();
236 
237     UNIMPLEMENTED;
238     return STATUS_NOT_IMPLEMENTED;
239 }
240 
241 CODE_SEG("PAGE")
242 NTSTATUS
243 NTAPI
244 IopDmaPackResource(
245     _In_ PIO_RESOURCE_DESCRIPTOR IoDescriptor,
246     _In_ UINT64 Start,
247     _Out_ PCM_PARTIAL_RESOURCE_DESCRIPTOR CmDescriptor)
248 {
249     PAGED_CODE();
250 
251     UNIMPLEMENTED;
252     return STATUS_NOT_IMPLEMENTED;
253 }
254 
255 CODE_SEG("PAGE")
256 NTSTATUS
257 NTAPI
258 IopDmaUnpackResource(
259     _In_ PCM_PARTIAL_RESOURCE_DESCRIPTOR CmDescriptor,
260     _Out_ PUINT64 Start,
261     _Out_ PUINT32 OutLength)
262 {
263     PAGED_CODE();
264 
265     UNIMPLEMENTED;
266     return STATUS_NOT_IMPLEMENTED;
267 }
268 
269 CODE_SEG("PAGE")
270 INT32
271 NTAPI
272 IopDmaScoreRequirement(
273     _In_ PIO_RESOURCE_DESCRIPTOR IoDescriptor)
274 {
275     PAGED_CODE();
276 
277     UNIMPLEMENTED;
278     return 0;
279 }
280 
281 CODE_SEG("PAGE")
282 NTSTATUS
283 NTAPI
284 IopDmaOverrideConflict(
285     _In_ PARBITER_INSTANCE Arbiter)
286 {
287     PAGED_CODE();
288 
289     UNIMPLEMENTED;
290     return STATUS_NOT_IMPLEMENTED;
291 }
292 
293 CODE_SEG("PAGE")
294 NTSTATUS
295 NTAPI
296 IopDmaInitialize(VOID)
297 {
298     NTSTATUS Status;
299 
300     PAGED_CODE();
301 
302     DPRINT("IopRootDmaArbiter %p\n", &IopRootDmaArbiter);
303 
304     IopRootDmaArbiter.UnpackRequirement = IopDmaUnpackRequirement;
305     IopRootDmaArbiter.PackResource = IopDmaPackResource;
306     IopRootDmaArbiter.UnpackResource = IopDmaUnpackResource;
307     IopRootDmaArbiter.ScoreRequirement = IopDmaScoreRequirement;
308 
309     IopRootDmaArbiter.OverrideConflict = IopDmaOverrideConflict;
310 
311     Status = ArbInitializeArbiterInstance(&IopRootDmaArbiter,
312                                           NULL,
313                                           CmResourceTypeDma,
314                                           L"RootDMA",
315                                           L"Root",
316                                           NULL);
317     return Status;
318 }
319 
320 /* Common for Memory and Port arbiters */
321 
322 CODE_SEG("PAGE")
323 NTSTATUS
324 NTAPI
325 IopGenericUnpackRequirement(
326     _In_ PIO_RESOURCE_DESCRIPTOR IoDescriptor,
327     _Out_ PUINT64 OutMinimumAddress,
328     _Out_ PUINT64 OutMaximumAddress,
329     _Out_ PUINT32 OutLength,
330     _Out_ PUINT32 OutAlignment)
331 {
332     PAGED_CODE();
333 
334     UNIMPLEMENTED;
335     return STATUS_NOT_IMPLEMENTED;
336 }
337 
338 CODE_SEG("PAGE")
339 NTSTATUS
340 NTAPI
341 IopGenericPackResource(
342     _In_ PIO_RESOURCE_DESCRIPTOR IoDescriptor,
343     _In_ UINT64 Start,
344     _Out_ PCM_PARTIAL_RESOURCE_DESCRIPTOR CmDescriptor)
345 {
346     PAGED_CODE();
347 
348     UNIMPLEMENTED;
349     return STATUS_NOT_IMPLEMENTED;
350 }
351 
352 CODE_SEG("PAGE")
353 NTSTATUS
354 NTAPI
355 IopGenericUnpackResource(
356     _In_ PCM_PARTIAL_RESOURCE_DESCRIPTOR CmDescriptor,
357     _Out_ PUINT64 Start,
358     _Out_ PUINT32 OutLength)
359 {
360     PAGED_CODE();
361 
362     UNIMPLEMENTED;
363     return STATUS_NOT_IMPLEMENTED;
364 }
365 
366 CODE_SEG("PAGE")
367 INT32
368 NTAPI
369 IopGenericScoreRequirement(
370     _In_ PIO_RESOURCE_DESCRIPTOR IoDescriptor)
371 {
372     PAGED_CODE();
373 
374     UNIMPLEMENTED;
375     return 0;
376 }
377 
378 CODE_SEG("PAGE")
379 NTSTATUS
380 NTAPI
381 IopGenericTranslateOrdering(
382     _Out_ PIO_RESOURCE_DESCRIPTOR OutIoDescriptor,
383     _In_ PIO_RESOURCE_DESCRIPTOR IoDescriptor)
384 {
385     PAGED_CODE();
386 
387     UNIMPLEMENTED;
388     return STATUS_NOT_IMPLEMENTED;
389 }
390 
391 /* Memory arbiter */
392 
393 CODE_SEG("PAGE")
394 BOOLEAN
395 NTAPI
396 IopMemFindSuitableRange(
397     _In_ PARBITER_INSTANCE Arbiter,
398     _In_ PARBITER_ALLOCATION_STATE State)
399 {
400     PAGED_CODE();
401 
402     UNIMPLEMENTED;
403     return FALSE;
404 }
405 
406 CODE_SEG("PAGE")
407 NTSTATUS
408 NTAPI
409 IopMemInitialize(VOID)
410 {
411     NTSTATUS Status;
412 
413     PAGED_CODE();
414 
415     DPRINT("IopRootMemArbiter %p\n", &IopRootMemArbiter);
416 
417     IopRootMemArbiter.UnpackRequirement = IopGenericUnpackRequirement;
418     IopRootMemArbiter.PackResource = IopGenericPackResource;
419     IopRootMemArbiter.UnpackResource = IopGenericUnpackResource;
420     IopRootMemArbiter.ScoreRequirement = IopGenericScoreRequirement;
421 
422     IopRootMemArbiter.FindSuitableRange = IopMemFindSuitableRange;
423 
424     Status = ArbInitializeArbiterInstance(&IopRootMemArbiter,
425                                           NULL,
426                                           CmResourceTypeMemory,
427                                           L"RootMemory",
428                                           L"Root",
429                                           IopGenericTranslateOrdering);
430     if (!NT_SUCCESS(Status))
431     {
432         DPRINT1("IopMemInitialize: Status %p\n", Status);
433         ASSERT(FALSE);
434         return Status;
435     }
436 
437     Status = RtlAddRange(IopRootMemArbiter.Allocation,
438                          0,
439                          (UINT64)(PAGE_SIZE - 1),
440                          0,
441                          0,
442                          NULL,
443                          NULL);
444 
445     return Status;
446 }
447 
448 /* Port arbiter */
449 
450 CODE_SEG("PAGE")
451 BOOLEAN
452 NTAPI
453 IopPortFindSuitableRange(
454     _In_ PARBITER_INSTANCE Arbiter,
455     _In_ PARBITER_ALLOCATION_STATE State)
456 {
457     PAGED_CODE();
458 
459     UNIMPLEMENTED;
460     return FALSE;
461 }
462 
463 CODE_SEG("PAGE")
464 VOID
465 NTAPI
466 IopPortAddAllocation(
467     _In_ PARBITER_INSTANCE Arbiter,
468     _In_ PARBITER_ALLOCATION_STATE ArbState)
469 {
470     PAGED_CODE();
471 
472     UNIMPLEMENTED;
473 }
474 
475 CODE_SEG("PAGE")
476 VOID
477 NTAPI
478 IopPortBacktrackAllocation(
479     _In_ PARBITER_INSTANCE Arbiter,
480     _Inout_ PARBITER_ALLOCATION_STATE ArbState)
481 {
482     PAGED_CODE();
483 
484     UNIMPLEMENTED;
485 }
486 
487 CODE_SEG("PAGE")
488 NTSTATUS
489 NTAPI
490 IopPortInitialize(VOID)
491 {
492     NTSTATUS Status;
493 
494     PAGED_CODE();
495 
496     DPRINT("IopRootPortArbiter %p\n", &IopRootPortArbiter);
497 
498     IopRootPortArbiter.UnpackRequirement = IopGenericUnpackRequirement;
499     IopRootPortArbiter.PackResource = IopGenericPackResource;
500     IopRootPortArbiter.UnpackResource = IopGenericUnpackResource;
501     IopRootPortArbiter.ScoreRequirement = IopGenericScoreRequirement;
502 
503     IopRootPortArbiter.FindSuitableRange = IopPortFindSuitableRange;
504     IopRootPortArbiter.AddAllocation = IopPortAddAllocation;
505     IopRootPortArbiter.BacktrackAllocation = IopPortBacktrackAllocation;
506 
507     Status = ArbInitializeArbiterInstance(&IopRootPortArbiter,
508                                           NULL,
509                                           CmResourceTypePort,
510                                           L"RootPort",
511                                           L"Root",
512                                           IopGenericTranslateOrdering);
513     return Status;
514 }
515