ReactOS  0.4.15-dev-994-ga9f6032
buspdo.c
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1 #ifndef UNIT_TEST
2 #include "precomp.h"
3 
4 #include <initguid.h>
5 #include <poclass.h>
6 
7 #define NDEBUG
8 #include <debug.h>
9 
10 #ifdef ALLOC_PRAGMA
11 #pragma alloc_text (PAGE, Bus_PDO_PnP)
12 #pragma alloc_text (PAGE, Bus_PDO_QueryDeviceCaps)
13 #pragma alloc_text (PAGE, Bus_PDO_QueryDeviceId)
14 #pragma alloc_text (PAGE, Bus_PDO_QueryDeviceText)
15 #pragma alloc_text (PAGE, Bus_PDO_QueryResources)
16 #pragma alloc_text (PAGE, Bus_PDO_QueryResourceRequirements)
17 #pragma alloc_text (PAGE, Bus_PDO_QueryDeviceRelations)
18 #pragma alloc_text (PAGE, Bus_PDO_QueryBusInformation)
19 #pragma alloc_text (PAGE, Bus_GetDeviceCapabilities)
20 #endif
21 
22 NTSTATUS
23 Bus_PDO_PnP (
24  PDEVICE_OBJECT DeviceObject,
25  PIRP Irp,
26  PIO_STACK_LOCATION IrpStack,
27  PPDO_DEVICE_DATA DeviceData
28  )
29 {
30  NTSTATUS status;
31  POWER_STATE state;
32  struct acpi_device *device = NULL;
33 
34  PAGED_CODE ();
35 
36  if (DeviceData->AcpiHandle)
37  acpi_bus_get_device(DeviceData->AcpiHandle, &device);
38 
39  //
40  // NB: Because we are a bus enumerator, we have no one to whom we could
41  // defer these irps. Therefore we do not pass them down but merely
42  // return them.
43  //
44 
45  switch (IrpStack->MinorFunction) {
46 
47  case IRP_MN_START_DEVICE:
48  //
49  // Here we do what ever initialization and ``turning on'' that is
50  // required to allow others to access this device.
51  // Power up the device.
52  //
53  if (DeviceData->AcpiHandle && acpi_bus_power_manageable(DeviceData->AcpiHandle) &&
54  !ACPI_SUCCESS(acpi_bus_set_power(DeviceData->AcpiHandle, ACPI_STATE_D0)))
55  {
56  DPRINT1("Device %x failed to start!\n", DeviceData->AcpiHandle);
57  status = STATUS_UNSUCCESSFUL;
58  break;
59  }
60 
61  DeviceData->InterfaceName.Length = 0;
62  status = STATUS_SUCCESS;
63 
64  if (!device)
65  {
66  status = IoRegisterDeviceInterface(DeviceData->Common.Self,
67  &GUID_DEVICE_SYS_BUTTON,
68  NULL,
69  &DeviceData->InterfaceName);
70  }
71  else if (device->flags.hardware_id &&
72  strstr(device->pnp.hardware_id, ACPI_THERMAL_HID))
73  {
74  status = IoRegisterDeviceInterface(DeviceData->Common.Self,
75  &GUID_DEVICE_THERMAL_ZONE,
76  NULL,
77  &DeviceData->InterfaceName);
78  }
79  else if (device->flags.hardware_id &&
80  strstr(device->pnp.hardware_id, ACPI_BUTTON_HID_LID))
81  {
82  status = IoRegisterDeviceInterface(DeviceData->Common.Self,
83  &GUID_DEVICE_LID,
84  NULL,
85  &DeviceData->InterfaceName);
86  }
87  else if (device->flags.hardware_id &&
88  strstr(device->pnp.hardware_id, ACPI_PROCESSOR_HID))
89  {
90  status = IoRegisterDeviceInterface(DeviceData->Common.Self,
91  &GUID_DEVICE_PROCESSOR,
92  NULL,
93  &DeviceData->InterfaceName);
94  }
95 
96  /* Failure to register an interface is not a fatal failure so don't return a failure status */
97  if (NT_SUCCESS(status) && DeviceData->InterfaceName.Length != 0)
98  IoSetDeviceInterfaceState(&DeviceData->InterfaceName, TRUE);
99 
100  state.DeviceState = PowerDeviceD0;
101  PoSetPowerState(DeviceData->Common.Self, DevicePowerState, state);
102  DeviceData->Common.DevicePowerState = PowerDeviceD0;
103  SET_NEW_PNP_STATE(DeviceData->Common, Started);
104  status = STATUS_SUCCESS;
105  break;
106 
107  case IRP_MN_STOP_DEVICE:
108 
109  if (DeviceData->InterfaceName.Length != 0)
110  IoSetDeviceInterfaceState(&DeviceData->InterfaceName, FALSE);
111 
112  //
113  // Here we shut down the device and give up and unmap any resources
114  // we acquired for the device.
115  //
116  if (DeviceData->AcpiHandle && acpi_bus_power_manageable(DeviceData->AcpiHandle) &&
117  !ACPI_SUCCESS(acpi_bus_set_power(DeviceData->AcpiHandle, ACPI_STATE_D3)))
118  {
119  DPRINT1("Device %x failed to stop!\n", DeviceData->AcpiHandle);
120  status = STATUS_UNSUCCESSFUL;
121  break;
122  }
123 
124  state.DeviceState = PowerDeviceD3;
125  PoSetPowerState(DeviceData->Common.Self, DevicePowerState, state);
126  DeviceData->Common.DevicePowerState = PowerDeviceD3;
127  SET_NEW_PNP_STATE(DeviceData->Common, Stopped);
128  status = STATUS_SUCCESS;
129  break;
130 
131 
132  case IRP_MN_QUERY_STOP_DEVICE:
133 
134  //
135  // No reason here why we can't stop the device.
136  // If there were a reason we should speak now, because answering success
137  // here may result in a stop device irp.
138  //
139 
140  SET_NEW_PNP_STATE(DeviceData->Common, StopPending);
141  status = STATUS_SUCCESS;
142  break;
143 
144  case IRP_MN_CANCEL_STOP_DEVICE:
145 
146  //
147  // The stop was canceled. Whatever state we set, or resources we put
148  // on hold in anticipation of the forthcoming STOP device IRP should be
149  // put back to normal. Someone, in the long list of concerned parties,
150  // has failed the stop device query.
151  //
152 
153  //
154  // First check to see whether you have received cancel-stop
155  // without first receiving a query-stop. This could happen if someone
156  // above us fails a query-stop and passes down the subsequent
157  // cancel-stop.
158  //
159 
160  if (StopPending == DeviceData->Common.DevicePnPState)
161  {
162  //
163  // We did receive a query-stop, so restore.
164  //
165  RESTORE_PREVIOUS_PNP_STATE(DeviceData->Common);
166  }
167  status = STATUS_SUCCESS;// We must not fail this IRP.
168  break;
169 
170  case IRP_MN_REMOVE_DEVICE:
171  //
172  // We handle REMOVE_DEVICE just like STOP_DEVICE. This is because
173  // the device is still physically present (or at least we don't know any better)
174  // so we have to retain the PDO after stopping and removing power from it.
175  //
176  if (DeviceData->InterfaceName.Length != 0)
177  IoSetDeviceInterfaceState(&DeviceData->InterfaceName, FALSE);
178 
179  if (DeviceData->AcpiHandle && acpi_bus_power_manageable(DeviceData->AcpiHandle) &&
180  !ACPI_SUCCESS(acpi_bus_set_power(DeviceData->AcpiHandle, ACPI_STATE_D3)))
181  {
182  DPRINT1("Device %x failed to enter D3!\n", DeviceData->AcpiHandle);
183  state.DeviceState = PowerDeviceD3;
184  PoSetPowerState(DeviceData->Common.Self, DevicePowerState, state);
185  DeviceData->Common.DevicePowerState = PowerDeviceD3;
186  }
187 
188  SET_NEW_PNP_STATE(DeviceData->Common, Stopped);
189  status = STATUS_SUCCESS;
190  break;
191 
192  case IRP_MN_QUERY_REMOVE_DEVICE:
193  SET_NEW_PNP_STATE(DeviceData->Common, RemovalPending);
194  status = STATUS_SUCCESS;
195  break;
196 
197  case IRP_MN_CANCEL_REMOVE_DEVICE:
198  if (RemovalPending == DeviceData->Common.DevicePnPState)
199  {
200  RESTORE_PREVIOUS_PNP_STATE(DeviceData->Common);
201  }
202  status = STATUS_SUCCESS;
203  break;
204 
205  case IRP_MN_QUERY_CAPABILITIES:
206 
207  //
208  // Return the capabilities of a device, such as whether the device
209  // can be locked or ejected..etc
210  //
211 
212  status = Bus_PDO_QueryDeviceCaps(DeviceData, Irp);
213 
214  break;
215 
216  case IRP_MN_QUERY_ID:
217 
218  // Query the IDs of the device
219  status = Bus_PDO_QueryDeviceId(DeviceData, Irp);
220 
221  break;
222 
223  case IRP_MN_QUERY_DEVICE_RELATIONS:
224 
225  DPRINT("\tQueryDeviceRelation Type: %s\n",DbgDeviceRelationString(\
226  IrpStack->Parameters.QueryDeviceRelations.Type));
227 
228  status = Bus_PDO_QueryDeviceRelations(DeviceData, Irp);
229 
230  break;
231 
232  case IRP_MN_QUERY_DEVICE_TEXT:
233 
234  status = Bus_PDO_QueryDeviceText(DeviceData, Irp);
235 
236  break;
237 
238  case IRP_MN_QUERY_RESOURCES:
239 
240  status = Bus_PDO_QueryResources(DeviceData, Irp);
241 
242  break;
243 
244  case IRP_MN_QUERY_RESOURCE_REQUIREMENTS:
245 
246  status = Bus_PDO_QueryResourceRequirements(DeviceData, Irp);
247 
248  break;
249 
250  case IRP_MN_QUERY_BUS_INFORMATION:
251 
252  status = Bus_PDO_QueryBusInformation(DeviceData, Irp);
253 
254  break;
255 
256  case IRP_MN_QUERY_INTERFACE:
257 
258  status = Bus_PDO_QueryInterface(DeviceData, Irp);
259 
260  break;
261 
262 
263  case IRP_MN_FILTER_RESOURCE_REQUIREMENTS:
264 
265  //
266  // OPTIONAL for bus drivers.
267  // The PnP Manager sends this IRP to a device
268  // stack so filter and function drivers can adjust the
269  // resources required by the device, if appropriate.
270  //
271 
272  //break;
273 
274  //case IRP_MN_QUERY_PNP_DEVICE_STATE:
275 
276  //
277  // OPTIONAL for bus drivers.
278  // The PnP Manager sends this IRP after the drivers for
279  // a device return success from the IRP_MN_START_DEVICE
280  // request. The PnP Manager also sends this IRP when a
281  // driver for the device calls IoInvalidateDeviceState.
282  //
283 
284  // break;
285 
286  //case IRP_MN_READ_CONFIG:
287  //case IRP_MN_WRITE_CONFIG:
288 
289  //
290  // Bus drivers for buses with configuration space must handle
291  // this request for their child devices. Our devices don't
292  // have a config space.
293  //
294 
295  // break;
296 
297  //case IRP_MN_SET_LOCK:
298 
299  // break;
300 
301  default:
302 
303  //
304  // For PnP requests to the PDO that we do not understand we should
305  // return the IRP WITHOUT setting the status or information fields.
306  // These fields may have already been set by a filter (eg acpi).
307  status = Irp->IoStatus.Status;
308 
309  break;
310  }
311 
312  Irp->IoStatus.Status = status;
313  IoCompleteRequest (Irp, IO_NO_INCREMENT);
314 
315  return status;
316 }
317 
318 NTSTATUS
319 Bus_PDO_QueryDeviceCaps(
320  PPDO_DEVICE_DATA DeviceData,
321  PIRP Irp )
322 {
323 
324  PIO_STACK_LOCATION stack;
325  PDEVICE_CAPABILITIES deviceCapabilities;
326  struct acpi_device *device = NULL;
327  ULONG i;
328 
329  PAGED_CODE ();
330 
331  if (DeviceData->AcpiHandle)
332  acpi_bus_get_device(DeviceData->AcpiHandle, &device);
333 
334  stack = IoGetCurrentIrpStackLocation (Irp);
335 
336  //
337  // Get the packet.
338  //
339  deviceCapabilities=stack->Parameters.DeviceCapabilities.Capabilities;
340 
341  //
342  // Set the capabilities.
343  //
344 
345  if (deviceCapabilities->Version != 1 ||
346  deviceCapabilities->Size < sizeof(DEVICE_CAPABILITIES))
347  {
348  return STATUS_UNSUCCESSFUL;
349  }
350 
351  deviceCapabilities->D1Latency = 0;
352  deviceCapabilities->D2Latency = 0;
353  deviceCapabilities->D3Latency = 0;
354 
355  deviceCapabilities->DeviceState[PowerSystemWorking] = PowerDeviceD0;
356  deviceCapabilities->DeviceState[PowerSystemSleeping1] = PowerDeviceD3;
357  deviceCapabilities->DeviceState[PowerSystemSleeping2] = PowerDeviceD3;
358  deviceCapabilities->DeviceState[PowerSystemSleeping3] = PowerDeviceD3;
359 
360  for (i = 0; i < ACPI_D_STATE_COUNT && device; i++)
361  {
362  if (!device->power.states[i].flags.valid)
363  continue;
364 
365  switch (i)
366  {
367  case ACPI_STATE_D0:
368  deviceCapabilities->DeviceState[PowerSystemWorking] = PowerDeviceD0;
369  break;
370 
371  case ACPI_STATE_D1:
372  deviceCapabilities->DeviceState[PowerSystemSleeping1] = PowerDeviceD1;
373  deviceCapabilities->D1Latency = device->power.states[i].latency;
374  break;
375 
376  case ACPI_STATE_D2:
377  deviceCapabilities->DeviceState[PowerSystemSleeping2] = PowerDeviceD2;
378  deviceCapabilities->D2Latency = device->power.states[i].latency;
379  break;
380 
381  case ACPI_STATE_D3:
382  deviceCapabilities->DeviceState[PowerSystemSleeping3] = PowerDeviceD3;
383  deviceCapabilities->D3Latency = device->power.states[i].latency;
384  break;
385  }
386  }
387 
388  // We can wake the system from D1
389  deviceCapabilities->DeviceWake = PowerDeviceD1;
390 
391 
392  deviceCapabilities->DeviceD1 =
393  (deviceCapabilities->DeviceState[PowerSystemSleeping1] == PowerDeviceD1) ? TRUE : FALSE;
394  deviceCapabilities->DeviceD2 =
395  (deviceCapabilities->DeviceState[PowerSystemSleeping2] == PowerDeviceD2) ? TRUE : FALSE;
396 
397  deviceCapabilities->WakeFromD0 = FALSE;
398  deviceCapabilities->WakeFromD1 = TRUE; //Yes we can
399  deviceCapabilities->WakeFromD2 = FALSE;
400  deviceCapabilities->WakeFromD3 = FALSE;
401 
402  if (device)
403  {
404  deviceCapabilities->LockSupported = device->flags.lockable;
405  deviceCapabilities->EjectSupported = device->flags.ejectable;
406  deviceCapabilities->HardwareDisabled = !device->status.enabled && !device->status.functional;
407  deviceCapabilities->Removable = device->flags.removable;
408  deviceCapabilities->SurpriseRemovalOK = device->flags.surprise_removal_ok;
409  deviceCapabilities->UniqueID = device->flags.unique_id;
410  deviceCapabilities->NoDisplayInUI = !device->status.show_in_ui;
411  deviceCapabilities->Address = device->pnp.bus_address;
412  }
413 
414  if (!device ||
415  (device->flags.hardware_id &&
416  (strstr(device->pnp.hardware_id, ACPI_BUTTON_HID_LID) ||
417  strstr(device->pnp.hardware_id, ACPI_THERMAL_HID) ||
418  strstr(device->pnp.hardware_id, ACPI_PROCESSOR_HID))))
419  {
420  /* Allow ACPI to control the device if it is a lid button,
421  * a thermal zone, a processor, or a fixed feature button */
422  deviceCapabilities->RawDeviceOK = TRUE;
423  }
424 
425  deviceCapabilities->SilentInstall = FALSE;
426  deviceCapabilities->UINumber = (ULONG)-1;
427 
428  return STATUS_SUCCESS;
429 
430 }
431 
432 NTSTATUS
433 Bus_PDO_QueryDeviceId(
434  PPDO_DEVICE_DATA DeviceData,
435  PIRP Irp )
436 {
437  PIO_STACK_LOCATION stack;
438  PWCHAR buffer, src;
439  WCHAR temp[256];
440  ULONG length, i;
441  NTSTATUS status = STATUS_SUCCESS;
442  struct acpi_device *Device;
443 
444  PAGED_CODE ();
445 
446  stack = IoGetCurrentIrpStackLocation (Irp);
447 
448  switch (stack->Parameters.QueryId.IdType) {
449 
450  case BusQueryDeviceID:
451 
452  /* This is a REG_SZ value */
453 
454  if (DeviceData->AcpiHandle)
455  {
456  acpi_bus_get_device(DeviceData->AcpiHandle, &Device);
457 
458  if (strcmp(Device->pnp.hardware_id, "Processor") == 0)
459  {
460  length = wcslen(ProcessorIdString);
461  wcscpy(temp, ProcessorIdString);
462  }
463  else
464  {
465  length = swprintf(temp,
466  L"ACPI\\%hs",
467  Device->pnp.hardware_id);
468  }
469  }
470  else
471  {
472  /* We know it's a fixed feature button because
473  * these are direct children of the ACPI root device
474  * and therefore have no handle
475  */
476  length = swprintf(temp,
477  L"ACPI\\FixedButton");
478  }
479 
480  temp[length++] = UNICODE_NULL;
481 
482  NT_ASSERT(length * sizeof(WCHAR) <= sizeof(temp));
483 
484  buffer = ExAllocatePoolWithTag(PagedPool, length * sizeof(WCHAR), 'IpcA');
485 
486  if (!buffer) {
487  status = STATUS_INSUFFICIENT_RESOURCES;
488  break;
489  }
490 
491  RtlCopyMemory (buffer, temp, length * sizeof(WCHAR));
492  Irp->IoStatus.Information = (ULONG_PTR) buffer;
493  DPRINT("BusQueryDeviceID: %ls\n",buffer);
494  break;
495 
496  case BusQueryInstanceID:
497 
498  /* This is a REG_SZ value */
499 
500  /* See comment in BusQueryDeviceID case */
501  if(DeviceData->AcpiHandle)
502  {
503  acpi_bus_get_device(DeviceData->AcpiHandle, &Device);
504 
505  if (Device->flags.unique_id)
506  length = swprintf(temp,
507  L"%hs",
508  Device->pnp.unique_id);
509  else
510  /* FIXME: Generate unique id! */
511  length = swprintf(temp, L"%ls", L"0");
512  }
513  else
514  {
515  /* FIXME: Generate unique id! */
516  length = swprintf(temp, L"%ls", L"0");
517  }
518 
519  temp[length++] = UNICODE_NULL;
520 
521  NT_ASSERT(length * sizeof(WCHAR) <= sizeof(temp));
522 
523  buffer = ExAllocatePoolWithTag(PagedPool, length * sizeof(WCHAR), 'IpcA');
524  if (!buffer) {
525  status = STATUS_INSUFFICIENT_RESOURCES;
526  break;
527  }
528 
529  RtlCopyMemory (buffer, temp, length * sizeof (WCHAR));
530  DPRINT("BusQueryInstanceID: %ls\n",buffer);
531  Irp->IoStatus.Information = (ULONG_PTR) buffer;
532  break;
533 
534  case BusQueryHardwareIDs:
535 
536  /* This is a REG_MULTI_SZ value */
537  length = 0;
538  status = STATUS_NOT_SUPPORTED;
539 
540  /* See comment in BusQueryDeviceID case */
541  if (DeviceData->AcpiHandle)
542  {
543  acpi_bus_get_device(DeviceData->AcpiHandle, &Device);
544 
545  if (!Device->flags.hardware_id)
546  {
547  /* We don't have the ID to satisfy this request */
548  break;
549  }
550 
551  DPRINT("Device name: %s\n", Device->pnp.device_name);
552  DPRINT("Hardware ID: %s\n", Device->pnp.hardware_id);
553 
554  if (strcmp(Device->pnp.hardware_id, "Processor") == 0)
555  {
556  length = ProcessorHardwareIds.Length / sizeof(WCHAR);
557  src = ProcessorHardwareIds.Buffer;
558  }
559  else
560  {
561  length += swprintf(&temp[length],
562  L"ACPI\\%hs",
563  Device->pnp.hardware_id);
564  temp[length++] = UNICODE_NULL;
565 
566  length += swprintf(&temp[length],
567  L"*%hs",
568  Device->pnp.hardware_id);
569  temp[length++] = UNICODE_NULL;
570  temp[length++] = UNICODE_NULL;
571  src = temp;
572  }
573  }
574  else
575  {
576  length += swprintf(&temp[length],
577  L"ACPI\\FixedButton");
578  temp[length++] = UNICODE_NULL;
579 
580  length += swprintf(&temp[length],
581  L"*FixedButton");
582  temp[length++] = UNICODE_NULL;
583  temp[length++] = UNICODE_NULL;
584  src = temp;
585  }
586 
587  NT_ASSERT(length * sizeof(WCHAR) <= sizeof(temp));
588 
589  buffer = ExAllocatePoolWithTag(PagedPool, length * sizeof(WCHAR), 'IpcA');
590 
591  if (!buffer) {
592  status = STATUS_INSUFFICIENT_RESOURCES;
593  break;
594  }
595 
596  RtlCopyMemory (buffer, src, length * sizeof(WCHAR));
597  Irp->IoStatus.Information = (ULONG_PTR) buffer;
598  DPRINT("BusQueryHardwareIDs: %ls\n",buffer);
599  status = STATUS_SUCCESS;
600  break;
601 
602  case BusQueryCompatibleIDs:
603 
604  /* This is a REG_MULTI_SZ value */
605  length = 0;
606  status = STATUS_NOT_SUPPORTED;
607 
608  /* See comment in BusQueryDeviceID case */
609  if (DeviceData->AcpiHandle)
610  {
611  acpi_bus_get_device(DeviceData->AcpiHandle, &Device);
612 
613  if (!Device->flags.hardware_id)
614  {
615  /* We don't have the ID to satisfy this request */
616  break;
617  }
618 
619  DPRINT("Device name: %s\n", Device->pnp.device_name);
620  DPRINT("Hardware ID: %s\n", Device->pnp.hardware_id);
621 
622  if (strcmp(Device->pnp.hardware_id, "Processor") == 0)
623  {
624  length += swprintf(&temp[length],
625  L"ACPI\\%hs",
626  Device->pnp.hardware_id);
627  temp[length++] = UNICODE_NULL;
628 
629  length += swprintf(&temp[length],
630  L"*%hs",
631  Device->pnp.hardware_id);
632  temp[length++] = UNICODE_NULL;
633  temp[length++] = UNICODE_NULL;
634  }
635  else if (Device->flags.compatible_ids)
636  {
637  for (i = 0; i < Device->pnp.cid_list->Count; i++)
638  {
639  length += swprintf(&temp[length],
640  L"ACPI\\%hs",
641  Device->pnp.cid_list->Ids[i].String);
642  temp[length++] = UNICODE_NULL;
643 
644  length += swprintf(&temp[length],
645  L"*%hs",
646  Device->pnp.cid_list->Ids[i].String);
647  temp[length++] = UNICODE_NULL;
648  }
649 
650  temp[length++] = UNICODE_NULL;
651  }
652  else
653  {
654  /* No compatible IDs */
655  break;
656  }
657 
658  NT_ASSERT(length * sizeof(WCHAR) <= sizeof(temp));
659 
660  buffer = ExAllocatePoolWithTag(PagedPool, length * sizeof(WCHAR), 'IpcA');
661  if (!buffer)
662  {
663  status = STATUS_INSUFFICIENT_RESOURCES;
664  break;
665  }
666 
667  RtlCopyMemory (buffer, temp, length * sizeof(WCHAR));
668  Irp->IoStatus.Information = (ULONG_PTR) buffer;
669  DPRINT("BusQueryCompatibleIDs: %ls\n",buffer);
670  status = STATUS_SUCCESS;
671  }
672  break;
673 
674  default:
675  status = Irp->IoStatus.Status;
676  }
677  return status;
678 }
679 
680 NTSTATUS
681 Bus_PDO_QueryDeviceText(
682  PPDO_DEVICE_DATA DeviceData,
683  PIRP Irp )
684 {
685  PWCHAR Buffer, Temp;
686  PIO_STACK_LOCATION stack;
687  NTSTATUS status = Irp->IoStatus.Status;
688  PAGED_CODE ();
689 
690  stack = IoGetCurrentIrpStackLocation (Irp);
691 
692  switch (stack->Parameters.QueryDeviceText.DeviceTextType) {
693 
694  case DeviceTextDescription:
695 
696  if (!Irp->IoStatus.Information) {
697  if (wcsstr (DeviceData->HardwareIDs, L"PNP000") != 0)
698  Temp = L"Programmable interrupt controller";
699  else if (wcsstr(DeviceData->HardwareIDs, L"PNP010") != 0)
700  Temp = L"System timer";
701  else if (wcsstr(DeviceData->HardwareIDs, L"PNP020") != 0)
702  Temp = L"DMA controller";
703  else if (wcsstr(DeviceData->HardwareIDs, L"PNP03") != 0)
704  Temp = L"Keyboard";
705  else if (wcsstr(DeviceData->HardwareIDs, L"PNP040") != 0)
706  Temp = L"Parallel port";
707  else if (wcsstr(DeviceData->HardwareIDs, L"PNP05") != 0)
708  Temp = L"Serial port";
709  else if (wcsstr(DeviceData->HardwareIDs, L"PNP06") != 0)
710  Temp = L"Disk controller";
711  else if (wcsstr(DeviceData->HardwareIDs, L"PNP07") != 0)
712  Temp = L"Disk controller";
713  else if (wcsstr(DeviceData->HardwareIDs, L"PNP09") != 0)
714  Temp = L"Display adapter";
715  else if (wcsstr(DeviceData->HardwareIDs, L"PNP0A0") != 0)
716  Temp = L"Bus controller";
717  else if (wcsstr(DeviceData->HardwareIDs, L"PNP0E0") != 0)
718  Temp = L"PCMCIA controller";
719  else if (wcsstr(DeviceData->HardwareIDs, L"PNP0F") != 0)
720  Temp = L"Mouse device";
721  else if (wcsstr(DeviceData->HardwareIDs, L"PNP8") != 0)
722  Temp = L"Network adapter";
723  else if (wcsstr(DeviceData->HardwareIDs, L"PNPA0") != 0)
724  Temp = L"SCSI controller";
725  else if (wcsstr(DeviceData->HardwareIDs, L"PNPB0") != 0)
726  Temp = L"Multimedia device";
727  else if (wcsstr(DeviceData->HardwareIDs, L"PNPC00") != 0)
728  Temp = L"Modem";
729  else if (wcsstr(DeviceData->HardwareIDs, L"PNP0C0C") != 0)
730  Temp = L"Power Button";
731  else if (wcsstr(DeviceData->HardwareIDs, L"PNP0C0E") != 0)
732  Temp = L"Sleep Button";
733  else if (wcsstr(DeviceData->HardwareIDs, L"PNP0C0D") != 0)
734  Temp = L"Lid Switch";
735  else if (wcsstr(DeviceData->HardwareIDs, L"PNP0C09") != 0)
736  Temp = L"ACPI Embedded Controller";
737  else if (wcsstr(DeviceData->HardwareIDs, L"PNP0C0B") != 0)
738  Temp = L"ACPI Fan";
739  else if (wcsstr(DeviceData->HardwareIDs, L"PNP0A03") != 0 ||
740  wcsstr(DeviceData->HardwareIDs, L"PNP0A08") != 0)
741  Temp = L"PCI Root Bridge";
742  else if (wcsstr(DeviceData->HardwareIDs, L"PNP0C0A") != 0)
743  Temp = L"ACPI Battery";
744  else if (wcsstr(DeviceData->HardwareIDs, L"PNP0C0F") != 0)
745  Temp = L"PCI Interrupt Link";
746  else if (wcsstr(DeviceData->HardwareIDs, L"ACPI_PWR") != 0)
747  Temp = L"ACPI Power Resource";
748  else if (wcsstr(DeviceData->HardwareIDs, L"Processor") != 0)
749  {
750  if (ProcessorNameString != NULL)
751  Temp = ProcessorNameString;
752  else
753  Temp = L"Processor";
754  }
755  else if (wcsstr(DeviceData->HardwareIDs, L"ThermalZone") != 0)
756  Temp = L"ACPI Thermal Zone";
757  else if (wcsstr(DeviceData->HardwareIDs, L"ACPI0002") != 0)
758  Temp = L"Smart Battery";
759  else if (wcsstr(DeviceData->HardwareIDs, L"ACPI0003") != 0)
760  Temp = L"AC Adapter";
761  /* Simply checking if AcpiHandle is NULL eliminates the need to check
762  * for the 4 different names that ACPI knows the fixed feature button as internally
763  */
764  else if (!DeviceData->AcpiHandle)
765  Temp = L"ACPI Fixed Feature Button";
766  else
767  Temp = L"Other ACPI device";
768 
769  Buffer = ExAllocatePoolWithTag(PagedPool, (wcslen(Temp) + 1) * sizeof(WCHAR), 'IpcA');
770 
771  if (!Buffer) {
772  status = STATUS_INSUFFICIENT_RESOURCES;
773  break;
774  }
775 
776  RtlCopyMemory (Buffer, Temp, (wcslen(Temp) + 1) * sizeof(WCHAR));
777 
778  DPRINT("\tDeviceTextDescription :%ws\n", Buffer);
779 
780  Irp->IoStatus.Information = (ULONG_PTR) Buffer;
781  status = STATUS_SUCCESS;
782  }
783  break;
784 
785  default:
786  break;
787  }
788 
789  return status;
790 
791 }
792 
793 NTSTATUS
794 Bus_PDO_QueryResources(
795  PPDO_DEVICE_DATA DeviceData,
796  PIRP Irp )
797 {
798  ULONG NumberOfResources = 0;
799  PCM_RESOURCE_LIST ResourceList;
800  PCM_PARTIAL_RESOURCE_DESCRIPTOR ResourceDescriptor;
801  ACPI_STATUS AcpiStatus;
802  ACPI_BUFFER Buffer;
803  ACPI_RESOURCE* resource;
804  ULONG ResourceListSize;
805  ULONG i;
806  ULONGLONG BusNumber;
807  struct acpi_device *device;
808 
809  if (!DeviceData->AcpiHandle)
810  {
811  return Irp->IoStatus.Status;
812  }
813 
814  /* A bus number resource is not included in the list of current resources
815  * for the root PCI bus so we manually query one here and if we find it
816  * we create a resource list and add a bus number descriptor to it */
817  if (wcsstr(DeviceData->HardwareIDs, L"PNP0A03") != 0 ||
818  wcsstr(DeviceData->HardwareIDs, L"PNP0A08") != 0)
819  {
820  acpi_bus_get_device(DeviceData->AcpiHandle, &device);
821 
822  AcpiStatus = acpi_evaluate_integer(DeviceData->AcpiHandle, "_BBN", NULL, &BusNumber);
823  if (AcpiStatus != AE_OK)
824  {
825 #if 0
826  if (device->flags.unique_id)
827  {
828  /* FIXME: Try the unique ID */
829  }
830  else
831 #endif
832  {
833  BusNumber = 0;
834  DPRINT1("Failed to find a bus number\n");
835  }
836  }
837  else
838  {
839  DPRINT("Using _BBN for bus number\n");
840  }
841 
842  DPRINT("Found PCI root hub: %d\n", BusNumber);
843 
844  ResourceListSize = sizeof(CM_RESOURCE_LIST);
845  ResourceList = ExAllocatePoolWithTag(PagedPool, ResourceListSize, 'RpcA');
846  if (!ResourceList)
847  return STATUS_INSUFFICIENT_RESOURCES;
848 
849  ResourceList->Count = 1;
850  ResourceList->List[0].InterfaceType = Internal;
851  ResourceList->List[0].BusNumber = 0;
852  ResourceList->List[0].PartialResourceList.Version = 1;
853  ResourceList->List[0].PartialResourceList.Revision = 1;
854  ResourceList->List[0].PartialResourceList.Count = 1;
855  ResourceDescriptor = ResourceList->List[0].PartialResourceList.PartialDescriptors;
856 
857  ResourceDescriptor->Type = CmResourceTypeBusNumber;
858  ResourceDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
859  ResourceDescriptor->u.BusNumber.Start = BusNumber;
860  ResourceDescriptor->u.BusNumber.Length = 1;
861 
862  Irp->IoStatus.Information = (ULONG_PTR)ResourceList;
863  return STATUS_SUCCESS;
864  }
865 
866  /* Get current resources */
867  Buffer.Length = 0;
868  AcpiStatus = AcpiGetCurrentResources(DeviceData->AcpiHandle, &Buffer);
869  if ((!ACPI_SUCCESS(AcpiStatus) && AcpiStatus != AE_BUFFER_OVERFLOW) ||
870  Buffer.Length == 0)
871  {
872  return Irp->IoStatus.Status;
873  }
874 
875  Buffer.Pointer = ExAllocatePoolWithTag(PagedPool, Buffer.Length, 'BpcA');
876  if (!Buffer.Pointer)
877  return STATUS_INSUFFICIENT_RESOURCES;
878 
879  AcpiStatus = AcpiGetCurrentResources(DeviceData->AcpiHandle, &Buffer);
880  if (!ACPI_SUCCESS(AcpiStatus))
881  {
882  DPRINT1("AcpiGetCurrentResources #2 failed (0x%x)\n", AcpiStatus);
883  ASSERT(FALSE);
884  return STATUS_UNSUCCESSFUL;
885  }
886 
887  resource= Buffer.Pointer;
888  /* Count number of resources */
889  while (resource->Type != ACPI_RESOURCE_TYPE_END_TAG)
890  {
891  switch (resource->Type)
892  {
893  case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
894  {
895  ACPI_RESOURCE_EXTENDED_IRQ *irq_data = (ACPI_RESOURCE_EXTENDED_IRQ*) &resource->Data;
896  if (irq_data->ProducerConsumer == ACPI_PRODUCER)
897  break;
898  NumberOfResources += irq_data->InterruptCount;
899  break;
900  }
901  case ACPI_RESOURCE_TYPE_IRQ:
902  {
903  ACPI_RESOURCE_IRQ *irq_data = (ACPI_RESOURCE_IRQ*) &resource->Data;
904  NumberOfResources += irq_data->InterruptCount;
905  break;
906  }
907  case ACPI_RESOURCE_TYPE_DMA:
908  {
909  ACPI_RESOURCE_DMA *dma_data = (ACPI_RESOURCE_DMA*) &resource->Data;
910  NumberOfResources += dma_data->ChannelCount;
911  break;
912  }
913  case ACPI_RESOURCE_TYPE_ADDRESS16:
914  case ACPI_RESOURCE_TYPE_ADDRESS32:
915  case ACPI_RESOURCE_TYPE_ADDRESS64:
916  case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
917  {
918  ACPI_RESOURCE_ADDRESS *addr_res = (ACPI_RESOURCE_ADDRESS*) &resource->Data;
919  if (addr_res->ProducerConsumer == ACPI_PRODUCER)
920  break;
921  NumberOfResources++;
922  break;
923  }
924  case ACPI_RESOURCE_TYPE_MEMORY24:
925  case ACPI_RESOURCE_TYPE_MEMORY32:
926  case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
927  case ACPI_RESOURCE_TYPE_FIXED_IO:
928  case ACPI_RESOURCE_TYPE_IO:
929  {
930  NumberOfResources++;
931  break;
932  }
933  default:
934  {
935  DPRINT1("Unknown resource type: %d\n", resource->Type);
936  break;
937  }
938  }
939  resource = ACPI_NEXT_RESOURCE(resource);
940  }
941 
942  /* Allocate memory */
943  ResourceListSize = sizeof(CM_RESOURCE_LIST) + sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR) * (NumberOfResources - 1);
944  ResourceList = ExAllocatePoolWithTag(PagedPool, ResourceListSize, 'RpcA');
945 
946  if (!ResourceList)
947  {
948  ExFreePoolWithTag(Buffer.Pointer, 'BpcA');
949  return STATUS_INSUFFICIENT_RESOURCES;
950  }
951  ResourceList->Count = 1;
952  ResourceList->List[0].InterfaceType = Internal; /* FIXME */
953  ResourceList->List[0].BusNumber = 0; /* We're the only ACPI bus device in the system */
954  ResourceList->List[0].PartialResourceList.Version = 1;
955  ResourceList->List[0].PartialResourceList.Revision = 1;
956  ResourceList->List[0].PartialResourceList.Count = NumberOfResources;
957  ResourceDescriptor = ResourceList->List[0].PartialResourceList.PartialDescriptors;
958 
959  /* Fill resources list structure */
960  resource = Buffer.Pointer;
961  while (resource->Type != ACPI_RESOURCE_TYPE_END_TAG)
962  {
963  switch (resource->Type)
964  {
965  case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
966  {
967  ACPI_RESOURCE_EXTENDED_IRQ *irq_data = (ACPI_RESOURCE_EXTENDED_IRQ*) &resource->Data;
968  if (irq_data->ProducerConsumer == ACPI_PRODUCER)
969  break;
970  for (i = 0; i < irq_data->InterruptCount; i++)
971  {
972  ResourceDescriptor->Type = CmResourceTypeInterrupt;
973 
974  ResourceDescriptor->ShareDisposition =
975  (irq_data->Shareable == ACPI_SHARED ? CmResourceShareShared : CmResourceShareDeviceExclusive);
976  ResourceDescriptor->Flags =
977  (irq_data->Triggering == ACPI_LEVEL_SENSITIVE ? CM_RESOURCE_INTERRUPT_LEVEL_SENSITIVE : CM_RESOURCE_INTERRUPT_LATCHED);
978  ResourceDescriptor->u.Interrupt.Level =
979  ResourceDescriptor->u.Interrupt.Vector = irq_data->Interrupts[i];
980  ResourceDescriptor->u.Interrupt.Affinity = (KAFFINITY)(-1);
981 
982  ResourceDescriptor++;
983  }
984  break;
985  }
986  case ACPI_RESOURCE_TYPE_IRQ:
987  {
988  ACPI_RESOURCE_IRQ *irq_data = (ACPI_RESOURCE_IRQ*) &resource->Data;
989  for (i = 0; i < irq_data->InterruptCount; i++)
990  {
991  ResourceDescriptor->Type = CmResourceTypeInterrupt;
992 
993  ResourceDescriptor->ShareDisposition =
994  (irq_data->Shareable == ACPI_SHARED ? CmResourceShareShared : CmResourceShareDeviceExclusive);
995  ResourceDescriptor->Flags =
996  (irq_data->Triggering == ACPI_LEVEL_SENSITIVE ? CM_RESOURCE_INTERRUPT_LEVEL_SENSITIVE : CM_RESOURCE_INTERRUPT_LATCHED);
997  ResourceDescriptor->u.Interrupt.Level =
998  ResourceDescriptor->u.Interrupt.Vector = irq_data->Interrupts[i];
999  ResourceDescriptor->u.Interrupt.Affinity = (KAFFINITY)(-1);
1000 
1001  ResourceDescriptor++;
1002  }
1003  break;
1004  }
1005  case ACPI_RESOURCE_TYPE_DMA:
1006  {
1007  ACPI_RESOURCE_DMA *dma_data = (ACPI_RESOURCE_DMA*) &resource->Data;
1008  for (i = 0; i < dma_data->ChannelCount; i++)
1009  {
1010  ResourceDescriptor->Type = CmResourceTypeDma;
1011  ResourceDescriptor->Flags = 0;
1012  switch (dma_data->Type)
1013  {
1014  case ACPI_TYPE_A: ResourceDescriptor->Flags |= CM_RESOURCE_DMA_TYPE_A; break;
1015  case ACPI_TYPE_B: ResourceDescriptor->Flags |= CM_RESOURCE_DMA_TYPE_B; break;
1016  case ACPI_TYPE_F: ResourceDescriptor->Flags |= CM_RESOURCE_DMA_TYPE_F; break;
1017  }
1018  if (dma_data->BusMaster == ACPI_BUS_MASTER)
1019  ResourceDescriptor->Flags |= CM_RESOURCE_DMA_BUS_MASTER;
1020  switch (dma_data->Transfer)
1021  {
1022  case ACPI_TRANSFER_8: ResourceDescriptor->Flags |= CM_RESOURCE_DMA_8; break;
1023  case ACPI_TRANSFER_16: ResourceDescriptor->Flags |= CM_RESOURCE_DMA_16; break;
1024  case ACPI_TRANSFER_8_16: ResourceDescriptor->Flags |= CM_RESOURCE_DMA_8_AND_16; break;
1025  }
1026  ResourceDescriptor->u.Dma.Channel = dma_data->Channels[i];
1027 
1028  ResourceDescriptor++;
1029  }
1030  break;
1031  }
1032  case ACPI_RESOURCE_TYPE_IO:
1033  {
1034  ACPI_RESOURCE_IO *io_data = (ACPI_RESOURCE_IO*) &resource->Data;
1035  ResourceDescriptor->Type = CmResourceTypePort;
1036  ResourceDescriptor->ShareDisposition = CmResourceShareDriverExclusive;
1037  ResourceDescriptor->Flags = CM_RESOURCE_PORT_IO;
1038  if (io_data->IoDecode == ACPI_DECODE_16)
1039  ResourceDescriptor->Flags |= CM_RESOURCE_PORT_16_BIT_DECODE;
1040  else
1041  ResourceDescriptor->Flags |= CM_RESOURCE_PORT_10_BIT_DECODE;
1042  ResourceDescriptor->u.Port.Start.QuadPart = io_data->Minimum;
1043  ResourceDescriptor->u.Port.Length = io_data->AddressLength;
1044 
1045  ResourceDescriptor++;
1046  break;
1047  }
1048  case ACPI_RESOURCE_TYPE_FIXED_IO:
1049  {
1050  ACPI_RESOURCE_FIXED_IO *io_data = (ACPI_RESOURCE_FIXED_IO*) &resource->Data;
1051  ResourceDescriptor->Type = CmResourceTypePort;
1052  ResourceDescriptor->ShareDisposition = CmResourceShareDriverExclusive;
1053  ResourceDescriptor->Flags = CM_RESOURCE_PORT_IO;
1054  ResourceDescriptor->u.Port.Start.QuadPart = io_data->Address;
1055  ResourceDescriptor->u.Port.Length = io_data->AddressLength;
1056 
1057  ResourceDescriptor++;
1058  break;
1059  }
1060  case ACPI_RESOURCE_TYPE_ADDRESS16:
1061  {
1062  ACPI_RESOURCE_ADDRESS16 *addr16_data = (ACPI_RESOURCE_ADDRESS16*) &resource->Data;
1063  if (addr16_data->ProducerConsumer == ACPI_PRODUCER)
1064  break;
1065  if (addr16_data->ResourceType == ACPI_BUS_NUMBER_RANGE)
1066  {
1067  ResourceDescriptor->Type = CmResourceTypeBusNumber;
1068  ResourceDescriptor->ShareDisposition = CmResourceShareShared;
1069  ResourceDescriptor->Flags = 0;
1070  ResourceDescriptor->u.BusNumber.Start = addr16_data->Address.Minimum;
1071  ResourceDescriptor->u.BusNumber.Length = addr16_data->Address.AddressLength;
1072  }
1073  else if (addr16_data->ResourceType == ACPI_IO_RANGE)
1074  {
1075  ResourceDescriptor->Type = CmResourceTypePort;
1076  ResourceDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1077  ResourceDescriptor->Flags = CM_RESOURCE_PORT_IO;
1078  if (addr16_data->Decode == ACPI_POS_DECODE)
1079  ResourceDescriptor->Flags |= CM_RESOURCE_PORT_POSITIVE_DECODE;
1080  ResourceDescriptor->u.Port.Start.QuadPart = addr16_data->Address.Minimum;
1081  ResourceDescriptor->u.Port.Length = addr16_data->Address.AddressLength;
1082  }
1083  else
1084  {
1085  ResourceDescriptor->Type = CmResourceTypeMemory;
1086  ResourceDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1087  ResourceDescriptor->Flags = 0;
1088  if (addr16_data->Info.Mem.WriteProtect == ACPI_READ_ONLY_MEMORY)
1089  ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
1090  else
1091  ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
1092  switch (addr16_data->Info.Mem.Caching)
1093  {
1094  case ACPI_CACHABLE_MEMORY: ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_CACHEABLE; break;
1095  case ACPI_WRITE_COMBINING_MEMORY: ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_COMBINEDWRITE; break;
1096  case ACPI_PREFETCHABLE_MEMORY: ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_PREFETCHABLE; break;
1097  }
1098  ResourceDescriptor->u.Memory.Start.QuadPart = addr16_data->Address.Minimum;
1099  ResourceDescriptor->u.Memory.Length = addr16_data->Address.AddressLength;
1100  }
1101  ResourceDescriptor++;
1102  break;
1103  }
1104  case ACPI_RESOURCE_TYPE_ADDRESS32:
1105  {
1106  ACPI_RESOURCE_ADDRESS32 *addr32_data = (ACPI_RESOURCE_ADDRESS32*) &resource->Data;
1107  if (addr32_data->ProducerConsumer == ACPI_PRODUCER)
1108  break;
1109  if (addr32_data->ResourceType == ACPI_BUS_NUMBER_RANGE)
1110  {
1111  ResourceDescriptor->Type = CmResourceTypeBusNumber;
1112  ResourceDescriptor->ShareDisposition = CmResourceShareShared;
1113  ResourceDescriptor->Flags = 0;
1114  ResourceDescriptor->u.BusNumber.Start = addr32_data->Address.Minimum;
1115  ResourceDescriptor->u.BusNumber.Length = addr32_data->Address.AddressLength;
1116  }
1117  else if (addr32_data->ResourceType == ACPI_IO_RANGE)
1118  {
1119  ResourceDescriptor->Type = CmResourceTypePort;
1120  ResourceDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1121  ResourceDescriptor->Flags = CM_RESOURCE_PORT_IO;
1122  if (addr32_data->Decode == ACPI_POS_DECODE)
1123  ResourceDescriptor->Flags |= CM_RESOURCE_PORT_POSITIVE_DECODE;
1124  ResourceDescriptor->u.Port.Start.QuadPart = addr32_data->Address.Minimum;
1125  ResourceDescriptor->u.Port.Length = addr32_data->Address.AddressLength;
1126  }
1127  else
1128  {
1129  ResourceDescriptor->Type = CmResourceTypeMemory;
1130  ResourceDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1131  ResourceDescriptor->Flags = 0;
1132  if (addr32_data->Info.Mem.WriteProtect == ACPI_READ_ONLY_MEMORY)
1133  ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
1134  else
1135  ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
1136  switch (addr32_data->Info.Mem.Caching)
1137  {
1138  case ACPI_CACHABLE_MEMORY: ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_CACHEABLE; break;
1139  case ACPI_WRITE_COMBINING_MEMORY: ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_COMBINEDWRITE; break;
1140  case ACPI_PREFETCHABLE_MEMORY: ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_PREFETCHABLE; break;
1141  }
1142  ResourceDescriptor->u.Memory.Start.QuadPart = addr32_data->Address.Minimum;
1143  ResourceDescriptor->u.Memory.Length = addr32_data->Address.AddressLength;
1144  }
1145  ResourceDescriptor++;
1146  break;
1147  }
1148  case ACPI_RESOURCE_TYPE_ADDRESS64:
1149  {
1150  ACPI_RESOURCE_ADDRESS64 *addr64_data = (ACPI_RESOURCE_ADDRESS64*) &resource->Data;
1151  if (addr64_data->ProducerConsumer == ACPI_PRODUCER)
1152  break;
1153  if (addr64_data->ResourceType == ACPI_BUS_NUMBER_RANGE)
1154  {
1155  DPRINT1("64-bit bus address is not supported!\n");
1156  ResourceDescriptor->Type = CmResourceTypeBusNumber;
1157  ResourceDescriptor->ShareDisposition = CmResourceShareShared;
1158  ResourceDescriptor->Flags = 0;
1159  ResourceDescriptor->u.BusNumber.Start = (ULONG)addr64_data->Address.Minimum;
1160  ResourceDescriptor->u.BusNumber.Length = addr64_data->Address.AddressLength;
1161  }
1162  else if (addr64_data->ResourceType == ACPI_IO_RANGE)
1163  {
1164  ResourceDescriptor->Type = CmResourceTypePort;
1165  ResourceDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1166  ResourceDescriptor->Flags = CM_RESOURCE_PORT_IO;
1167  if (addr64_data->Decode == ACPI_POS_DECODE)
1168  ResourceDescriptor->Flags |= CM_RESOURCE_PORT_POSITIVE_DECODE;
1169  ResourceDescriptor->u.Port.Start.QuadPart = addr64_data->Address.Minimum;
1170  ResourceDescriptor->u.Port.Length = addr64_data->Address.AddressLength;
1171  }
1172  else
1173  {
1174  ResourceDescriptor->Type = CmResourceTypeMemory;
1175  ResourceDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1176  ResourceDescriptor->Flags = 0;
1177  if (addr64_data->Info.Mem.WriteProtect == ACPI_READ_ONLY_MEMORY)
1178  ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
1179  else
1180  ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
1181  switch (addr64_data->Info.Mem.Caching)
1182  {
1183  case ACPI_CACHABLE_MEMORY: ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_CACHEABLE; break;
1184  case ACPI_WRITE_COMBINING_MEMORY: ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_COMBINEDWRITE; break;
1185  case ACPI_PREFETCHABLE_MEMORY: ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_PREFETCHABLE; break;
1186  }
1187  ResourceDescriptor->u.Memory.Start.QuadPart = addr64_data->Address.Minimum;
1188  ResourceDescriptor->u.Memory.Length = addr64_data->Address.AddressLength;
1189  }
1190  ResourceDescriptor++;
1191  break;
1192  }
1193  case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
1194  {
1195  ACPI_RESOURCE_EXTENDED_ADDRESS64 *addr64_data = (ACPI_RESOURCE_EXTENDED_ADDRESS64*) &resource->Data;
1196  if (addr64_data->ProducerConsumer == ACPI_PRODUCER)
1197  break;
1198  if (addr64_data->ResourceType == ACPI_BUS_NUMBER_RANGE)
1199  {
1200  DPRINT1("64-bit bus address is not supported!\n");
1201  ResourceDescriptor->Type = CmResourceTypeBusNumber;
1202  ResourceDescriptor->ShareDisposition = CmResourceShareShared;
1203  ResourceDescriptor->Flags = 0;
1204  ResourceDescriptor->u.BusNumber.Start = (ULONG)addr64_data->Address.Minimum;
1205  ResourceDescriptor->u.BusNumber.Length = addr64_data->Address.AddressLength;
1206  }
1207  else if (addr64_data->ResourceType == ACPI_IO_RANGE)
1208  {
1209  ResourceDescriptor->Type = CmResourceTypePort;
1210  ResourceDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1211  ResourceDescriptor->Flags = CM_RESOURCE_PORT_IO;
1212  if (addr64_data->Decode == ACPI_POS_DECODE)
1213  ResourceDescriptor->Flags |= CM_RESOURCE_PORT_POSITIVE_DECODE;
1214  ResourceDescriptor->u.Port.Start.QuadPart = addr64_data->Address.Minimum;
1215  ResourceDescriptor->u.Port.Length = addr64_data->Address.AddressLength;
1216  }
1217  else
1218  {
1219  ResourceDescriptor->Type = CmResourceTypeMemory;
1220  ResourceDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1221  ResourceDescriptor->Flags = 0;
1222  if (addr64_data->Info.Mem.WriteProtect == ACPI_READ_ONLY_MEMORY)
1223  ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
1224  else
1225  ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
1226  switch (addr64_data->Info.Mem.Caching)
1227  {
1228  case ACPI_CACHABLE_MEMORY: ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_CACHEABLE; break;
1229  case ACPI_WRITE_COMBINING_MEMORY: ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_COMBINEDWRITE; break;
1230  case ACPI_PREFETCHABLE_MEMORY: ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_PREFETCHABLE; break;
1231  }
1232  ResourceDescriptor->u.Memory.Start.QuadPart = addr64_data->Address.Minimum;
1233  ResourceDescriptor->u.Memory.Length = addr64_data->Address.AddressLength;
1234  }
1235  ResourceDescriptor++;
1236  break;
1237  }
1238  case ACPI_RESOURCE_TYPE_MEMORY24:
1239  {
1240  ACPI_RESOURCE_MEMORY24 *mem24_data = (ACPI_RESOURCE_MEMORY24*) &resource->Data;
1241  ResourceDescriptor->Type = CmResourceTypeMemory;
1242  ResourceDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1243  ResourceDescriptor->Flags = CM_RESOURCE_MEMORY_24;
1244  if (mem24_data->WriteProtect == ACPI_READ_ONLY_MEMORY)
1245  ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
1246  else
1247  ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
1248  ResourceDescriptor->u.Memory.Start.QuadPart = mem24_data->Minimum;
1249  ResourceDescriptor->u.Memory.Length = mem24_data->AddressLength;
1250 
1251  ResourceDescriptor++;
1252  break;
1253  }
1254  case ACPI_RESOURCE_TYPE_MEMORY32:
1255  {
1256  ACPI_RESOURCE_MEMORY32 *mem32_data = (ACPI_RESOURCE_MEMORY32*) &resource->Data;
1257  ResourceDescriptor->Type = CmResourceTypeMemory;
1258  ResourceDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1259  ResourceDescriptor->Flags = 0;
1260  if (mem32_data->WriteProtect == ACPI_READ_ONLY_MEMORY)
1261  ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
1262  else
1263  ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
1264  ResourceDescriptor->u.Memory.Start.QuadPart = mem32_data->Minimum;
1265  ResourceDescriptor->u.Memory.Length = mem32_data->AddressLength;
1266 
1267  ResourceDescriptor++;
1268  break;
1269  }
1270  case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
1271  {
1272  ACPI_RESOURCE_FIXED_MEMORY32 *memfixed32_data = (ACPI_RESOURCE_FIXED_MEMORY32*) &resource->Data;
1273  ResourceDescriptor->Type = CmResourceTypeMemory;
1274  ResourceDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1275  ResourceDescriptor->Flags = 0;
1276  if (memfixed32_data->WriteProtect == ACPI_READ_ONLY_MEMORY)
1277  ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
1278  else
1279  ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
1280  ResourceDescriptor->u.Memory.Start.QuadPart = memfixed32_data->Address;
1281  ResourceDescriptor->u.Memory.Length = memfixed32_data->AddressLength;
1282 
1283  ResourceDescriptor++;
1284  break;
1285  }
1286  default:
1287  {
1288  break;
1289  }
1290  }
1291  resource = ACPI_NEXT_RESOURCE(resource);
1292  }
1293 
1294  ExFreePoolWithTag(Buffer.Pointer, 'BpcA');
1295  Irp->IoStatus.Information = (ULONG_PTR)ResourceList;
1296  return STATUS_SUCCESS;
1297 }
1298 #endif /* UNIT_TEST */
1299 
1300 NTSTATUS
1301 Bus_PDO_QueryResourceRequirements(
1302  PPDO_DEVICE_DATA DeviceData,
1303  PIRP Irp )
1304 {
1305  ULONG NumberOfResources = 0;
1306  ACPI_STATUS AcpiStatus;
1307  ACPI_BUFFER Buffer;
1308  ACPI_RESOURCE* resource;
1309  ULONG i, RequirementsListSize;
1310  PIO_RESOURCE_REQUIREMENTS_LIST RequirementsList;
1311  PIO_RESOURCE_DESCRIPTOR RequirementDescriptor;
1312  BOOLEAN CurrentRes = FALSE;
1313  BOOLEAN SeenStartDependent;
1314 
1315  PAGED_CODE ();
1316 
1317  if (!DeviceData->AcpiHandle)
1318  {
1319  return Irp->IoStatus.Status;
1320  }
1321 
1322  /* Handle the PCI root manually */
1323  if (wcsstr(DeviceData->HardwareIDs, L"PNP0A03") != 0 ||
1324  wcsstr(DeviceData->HardwareIDs, L"PNP0A08") != 0)
1325  {
1326  return Irp->IoStatus.Status;
1327  }
1328 
1329  /* Get current resources */
1330  while (TRUE)
1331  {
1332  Buffer.Length = 0;
1333  if (CurrentRes)
1334  AcpiStatus = AcpiGetCurrentResources(DeviceData->AcpiHandle, &Buffer);
1335  else
1336  AcpiStatus = AcpiGetPossibleResources(DeviceData->AcpiHandle, &Buffer);
1337  if ((!ACPI_SUCCESS(AcpiStatus) && AcpiStatus != AE_BUFFER_OVERFLOW) ||
1338  Buffer.Length == 0)
1339  {
1340  if (!CurrentRes)
1341  CurrentRes = TRUE;
1342  else
1343  return Irp->IoStatus.Status;
1344  }
1345  else
1346  break;
1347  }
1348 
1349  Buffer.Pointer = ExAllocatePoolWithTag(PagedPool, Buffer.Length, 'BpcA');
1350  if (!Buffer.Pointer)
1351  return STATUS_INSUFFICIENT_RESOURCES;
1352 
1353  if (CurrentRes)
1354  AcpiStatus = AcpiGetCurrentResources(DeviceData->AcpiHandle, &Buffer);
1355  else
1356  AcpiStatus = AcpiGetPossibleResources(DeviceData->AcpiHandle, &Buffer);
1357  if (!ACPI_SUCCESS(AcpiStatus))
1358  {
1359  DPRINT1("AcpiGetCurrentResources #2 failed (0x%x)\n", AcpiStatus);
1360  ASSERT(FALSE);
1361  return STATUS_UNSUCCESSFUL;
1362  }
1363 
1364  SeenStartDependent = FALSE;
1365  resource = Buffer.Pointer;
1366  /* Count number of resources */
1367  while (resource->Type != ACPI_RESOURCE_TYPE_END_TAG && resource->Type != ACPI_RESOURCE_TYPE_END_DEPENDENT)
1368  {
1369  if (resource->Type == ACPI_RESOURCE_TYPE_START_DEPENDENT)
1370  {
1371  if (SeenStartDependent)
1372  {
1373  break;
1374  }
1375  SeenStartDependent = TRUE;
1376  }
1377  switch (resource->Type)
1378  {
1379  case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
1380  {
1381  ACPI_RESOURCE_EXTENDED_IRQ *irq_data = (ACPI_RESOURCE_EXTENDED_IRQ*) &resource->Data;
1382  if (irq_data->ProducerConsumer == ACPI_PRODUCER)
1383  break;
1384  NumberOfResources += irq_data->InterruptCount;
1385  break;
1386  }
1387  case ACPI_RESOURCE_TYPE_IRQ:
1388  {
1389  ACPI_RESOURCE_IRQ *irq_data = (ACPI_RESOURCE_IRQ*) &resource->Data;
1390  NumberOfResources += irq_data->InterruptCount;
1391  break;
1392  }
1393  case ACPI_RESOURCE_TYPE_DMA:
1394  {
1395  ACPI_RESOURCE_DMA *dma_data = (ACPI_RESOURCE_DMA*) &resource->Data;
1396  NumberOfResources += dma_data->ChannelCount;
1397  break;
1398  }
1399  case ACPI_RESOURCE_TYPE_ADDRESS16:
1400  case ACPI_RESOURCE_TYPE_ADDRESS32:
1401  case ACPI_RESOURCE_TYPE_ADDRESS64:
1402  case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
1403  {
1404  ACPI_RESOURCE_ADDRESS *res_addr = (ACPI_RESOURCE_ADDRESS*) &resource->Data;
1405  if (res_addr->ProducerConsumer == ACPI_PRODUCER)
1406  break;
1407  NumberOfResources++;
1408  break;
1409  }
1410  case ACPI_RESOURCE_TYPE_MEMORY24:
1411  case ACPI_RESOURCE_TYPE_MEMORY32:
1412  case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
1413  case ACPI_RESOURCE_TYPE_FIXED_IO:
1414  case ACPI_RESOURCE_TYPE_IO:
1415  {
1416  NumberOfResources++;
1417  break;
1418  }
1419  default:
1420  {
1421  break;
1422  }
1423  }
1424  resource = ACPI_NEXT_RESOURCE(resource);
1425  }
1426 
1427  RequirementsListSize = sizeof(IO_RESOURCE_REQUIREMENTS_LIST) + sizeof(IO_RESOURCE_DESCRIPTOR) * (NumberOfResources - 1);
1428  RequirementsList = ExAllocatePoolWithTag(PagedPool, RequirementsListSize, 'RpcA');
1429 
1430  if (!RequirementsList)
1431  {
1432  ExFreePoolWithTag(Buffer.Pointer, 'BpcA');
1433  return STATUS_INSUFFICIENT_RESOURCES;
1434  }
1435  RequirementsList->ListSize = RequirementsListSize;
1436  RequirementsList->InterfaceType = Internal;
1437  RequirementsList->BusNumber = 0;
1438  RequirementsList->SlotNumber = 0; /* Not used by WDM drivers */
1439  RequirementsList->AlternativeLists = 1;
1440  RequirementsList->List[0].Version = 1;
1441  RequirementsList->List[0].Revision = 1;
1442  RequirementsList->List[0].Count = NumberOfResources;
1443  RequirementDescriptor = RequirementsList->List[0].Descriptors;
1444 
1445  /* Fill resources list structure */
1446  SeenStartDependent = FALSE;
1447  resource = Buffer.Pointer;
1448  while (resource->Type != ACPI_RESOURCE_TYPE_END_TAG && resource->Type != ACPI_RESOURCE_TYPE_END_DEPENDENT)
1449  {
1450  if (resource->Type == ACPI_RESOURCE_TYPE_START_DEPENDENT)
1451  {
1452  if (SeenStartDependent)
1453  {
1454  break;
1455  }
1456  SeenStartDependent = TRUE;
1457  }
1458  switch (resource->Type)
1459  {
1460  case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
1461  {
1462  ACPI_RESOURCE_EXTENDED_IRQ *irq_data = &resource->Data.ExtendedIrq;
1463  if (irq_data->ProducerConsumer == ACPI_PRODUCER)
1464  break;
1465  for (i = 0; i < irq_data->InterruptCount; i++)
1466  {
1467  RequirementDescriptor->Option = (i == 0) ? IO_RESOURCE_PREFERRED : IO_RESOURCE_ALTERNATIVE;
1468  RequirementDescriptor->Type = CmResourceTypeInterrupt;
1469  RequirementDescriptor->ShareDisposition = (irq_data->Shareable == ACPI_SHARED ? CmResourceShareShared : CmResourceShareDeviceExclusive);
1470  RequirementDescriptor->Flags =(irq_data->Triggering == ACPI_LEVEL_SENSITIVE ? CM_RESOURCE_INTERRUPT_LEVEL_SENSITIVE : CM_RESOURCE_INTERRUPT_LATCHED);
1471  RequirementDescriptor->u.Interrupt.MinimumVector =
1472  RequirementDescriptor->u.Interrupt.MaximumVector = irq_data->Interrupts[i];
1473 
1474  RequirementDescriptor++;
1475  }
1476  break;
1477  }
1478  case ACPI_RESOURCE_TYPE_IRQ:
1479  {
1480  ACPI_RESOURCE_IRQ *irq_data = &resource->Data.Irq;
1481  for (i = 0; i < irq_data->InterruptCount; i++)
1482  {
1483  RequirementDescriptor->Option = (i == 0) ? IO_RESOURCE_PREFERRED : IO_RESOURCE_ALTERNATIVE;
1484  RequirementDescriptor->Type = CmResourceTypeInterrupt;
1485  RequirementDescriptor->ShareDisposition = (irq_data->Shareable == ACPI_SHARED ? CmResourceShareShared : CmResourceShareDeviceExclusive);
1486  RequirementDescriptor->Flags =(irq_data->Triggering == ACPI_LEVEL_SENSITIVE ? CM_RESOURCE_INTERRUPT_LEVEL_SENSITIVE : CM_RESOURCE_INTERRUPT_LATCHED);
1487  RequirementDescriptor->u.Interrupt.MinimumVector =
1488  RequirementDescriptor->u.Interrupt.MaximumVector = irq_data->Interrupts[i];
1489 
1490  RequirementDescriptor++;
1491  }
1492  break;
1493  }
1494  case ACPI_RESOURCE_TYPE_DMA:
1495  {
1496  ACPI_RESOURCE_DMA *dma_data = &resource->Data.Dma;
1497  for (i = 0; i < dma_data->ChannelCount; i++)
1498  {
1499  RequirementDescriptor->Type = CmResourceTypeDma;
1500  RequirementDescriptor->Flags = 0;
1501  switch (dma_data->Type)
1502  {
1503  case ACPI_TYPE_A: RequirementDescriptor->Flags |= CM_RESOURCE_DMA_TYPE_A; break;
1504  case ACPI_TYPE_B: RequirementDescriptor->Flags |= CM_RESOURCE_DMA_TYPE_B; break;
1505  case ACPI_TYPE_F: RequirementDescriptor->Flags |= CM_RESOURCE_DMA_TYPE_F; break;
1506  }
1507  if (dma_data->BusMaster == ACPI_BUS_MASTER)
1508  RequirementDescriptor->Flags |= CM_RESOURCE_DMA_BUS_MASTER;
1509  switch (dma_data->Transfer)
1510  {
1511  case ACPI_TRANSFER_8: RequirementDescriptor->Flags |= CM_RESOURCE_DMA_8; break;
1512  case ACPI_TRANSFER_16: RequirementDescriptor->Flags |= CM_RESOURCE_DMA_16; break;
1513  case ACPI_TRANSFER_8_16: RequirementDescriptor->Flags |= CM_RESOURCE_DMA_8_AND_16; break;
1514  }
1515 
1516  RequirementDescriptor->Option = (i == 0) ? IO_RESOURCE_PREFERRED : IO_RESOURCE_ALTERNATIVE;
1517  RequirementDescriptor->ShareDisposition = CmResourceShareDriverExclusive;
1518  RequirementDescriptor->u.Dma.MinimumChannel =
1519  RequirementDescriptor->u.Dma.MaximumChannel = dma_data->Channels[i];
1520  RequirementDescriptor++;
1521  }
1522  break;
1523  }
1524  case ACPI_RESOURCE_TYPE_IO:
1525  {
1526  ACPI_RESOURCE_IO *io_data = &resource->Data.Io;
1527  RequirementDescriptor->Flags = CM_RESOURCE_PORT_IO;
1528  if (io_data->IoDecode == ACPI_DECODE_16)
1529  RequirementDescriptor->Flags |= CM_RESOURCE_PORT_16_BIT_DECODE;
1530  else
1531  RequirementDescriptor->Flags |= CM_RESOURCE_PORT_10_BIT_DECODE;
1532  RequirementDescriptor->u.Port.Length = io_data->AddressLength;
1533  RequirementDescriptor->Option = CurrentRes ? 0 : IO_RESOURCE_PREFERRED;
1534  RequirementDescriptor->Type = CmResourceTypePort;
1535  RequirementDescriptor->ShareDisposition = CmResourceShareDriverExclusive;
1536  RequirementDescriptor->u.Port.Alignment = io_data->Alignment;
1537  RequirementDescriptor->u.Port.MinimumAddress.QuadPart = io_data->Minimum;
1538  RequirementDescriptor->u.Port.MaximumAddress.QuadPart = io_data->Maximum + io_data->AddressLength - 1;
1539 
1540  RequirementDescriptor++;
1541  break;
1542  }
1543  case ACPI_RESOURCE_TYPE_FIXED_IO:
1544  {
1545  ACPI_RESOURCE_FIXED_IO *io_data = &resource->Data.FixedIo;
1546  RequirementDescriptor->Flags = CM_RESOURCE_PORT_IO;
1547  RequirementDescriptor->u.Port.Length = io_data->AddressLength;
1548  RequirementDescriptor->Option = CurrentRes ? 0 : IO_RESOURCE_PREFERRED;
1549  RequirementDescriptor->Type = CmResourceTypePort;
1550  RequirementDescriptor->ShareDisposition = CmResourceShareDriverExclusive;
1551  RequirementDescriptor->u.Port.Alignment = 1;
1552  RequirementDescriptor->u.Port.MinimumAddress.QuadPart = io_data->Address;
1553  RequirementDescriptor->u.Port.MaximumAddress.QuadPart = io_data->Address + io_data->AddressLength - 1;
1554 
1555  RequirementDescriptor++;
1556  break;
1557  }
1558  case ACPI_RESOURCE_TYPE_ADDRESS16:
1559  {
1560  ACPI_RESOURCE_ADDRESS16 *addr16_data = &resource->Data.Address16;
1561  if (addr16_data->ProducerConsumer == ACPI_PRODUCER)
1562  break;
1563  RequirementDescriptor->Option = CurrentRes ? 0 : IO_RESOURCE_PREFERRED;
1564  if (addr16_data->ResourceType == ACPI_BUS_NUMBER_RANGE)
1565  {
1566  RequirementDescriptor->Type = CmResourceTypeBusNumber;
1567  RequirementDescriptor->ShareDisposition = CmResourceShareShared;
1568  RequirementDescriptor->Flags = 0;
1569  RequirementDescriptor->u.BusNumber.MinBusNumber = addr16_data->Address.Minimum;
1570  RequirementDescriptor->u.BusNumber.MaxBusNumber = addr16_data->Address.Maximum + addr16_data->Address.AddressLength - 1;
1571  RequirementDescriptor->u.BusNumber.Length = addr16_data->Address.AddressLength;
1572  }
1573  else if (addr16_data->ResourceType == ACPI_IO_RANGE)
1574  {
1575  RequirementDescriptor->Type = CmResourceTypePort;
1576  RequirementDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1577  RequirementDescriptor->Flags = CM_RESOURCE_PORT_IO;
1578  if (addr16_data->Decode == ACPI_POS_DECODE)
1579  RequirementDescriptor->Flags |= CM_RESOURCE_PORT_POSITIVE_DECODE;
1580  RequirementDescriptor->u.Port.MinimumAddress.QuadPart = addr16_data->Address.Minimum;
1581  RequirementDescriptor->u.Port.MaximumAddress.QuadPart = addr16_data->Address.Maximum + addr16_data->Address.AddressLength - 1;
1582  RequirementDescriptor->u.Port.Length = addr16_data->Address.AddressLength;
1583  }
1584  else
1585  {
1586  RequirementDescriptor->Type = CmResourceTypeMemory;
1587  RequirementDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1588  RequirementDescriptor->Flags = 0;
1589  if (addr16_data->Info.Mem.WriteProtect == ACPI_READ_ONLY_MEMORY)
1590  RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
1591  else
1592  RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
1593  switch (addr16_data->Info.Mem.Caching)
1594  {
1595  case ACPI_CACHABLE_MEMORY: RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_CACHEABLE; break;
1596  case ACPI_WRITE_COMBINING_MEMORY: RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_COMBINEDWRITE; break;
1597  case ACPI_PREFETCHABLE_MEMORY: RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_PREFETCHABLE; break;
1598  }
1599  RequirementDescriptor->u.Memory.MinimumAddress.QuadPart = addr16_data->Address.Minimum;
1600  RequirementDescriptor->u.Memory.MaximumAddress.QuadPart = addr16_data->Address.Maximum + addr16_data->Address.AddressLength - 1;
1601  RequirementDescriptor->u.Memory.Length = addr16_data->Address.AddressLength;
1602  }
1603  RequirementDescriptor++;
1604  break;
1605  }
1606  case ACPI_RESOURCE_TYPE_ADDRESS32:
1607  {
1608  ACPI_RESOURCE_ADDRESS32 *addr32_data = &resource->Data.Address32;
1609  if (addr32_data->ProducerConsumer == ACPI_PRODUCER)
1610  break;
1611  RequirementDescriptor->Option = CurrentRes ? 0 : IO_RESOURCE_PREFERRED;
1612  if (addr32_data->ResourceType == ACPI_BUS_NUMBER_RANGE)
1613  {
1614  RequirementDescriptor->Type = CmResourceTypeBusNumber;
1615  RequirementDescriptor->ShareDisposition = CmResourceShareShared;
1616  RequirementDescriptor->Flags = 0;
1617  RequirementDescriptor->u.BusNumber.MinBusNumber = addr32_data->Address.Minimum;
1618  RequirementDescriptor->u.BusNumber.MaxBusNumber = addr32_data->Address.Maximum + addr32_data->Address.AddressLength - 1;
1619  RequirementDescriptor->u.BusNumber.Length = addr32_data->Address.AddressLength;
1620  }
1621  else if (addr32_data->ResourceType == ACPI_IO_RANGE)
1622  {
1623  RequirementDescriptor->Type = CmResourceTypePort;
1624  RequirementDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1625  RequirementDescriptor->Flags = CM_RESOURCE_PORT_IO;
1626  if (addr32_data->Decode == ACPI_POS_DECODE)
1627  RequirementDescriptor->Flags |= CM_RESOURCE_PORT_POSITIVE_DECODE;
1628  RequirementDescriptor->u.Port.MinimumAddress.QuadPart = addr32_data->Address.Minimum;
1629  RequirementDescriptor->u.Port.MaximumAddress.QuadPart = addr32_data->Address.Maximum + addr32_data->Address.AddressLength - 1;
1630  RequirementDescriptor->u.Port.Length = addr32_data->Address.AddressLength;
1631  }
1632  else
1633  {
1634  RequirementDescriptor->Type = CmResourceTypeMemory;
1635  RequirementDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1636  RequirementDescriptor->Flags = 0;
1637  if (addr32_data->Info.Mem.WriteProtect == ACPI_READ_ONLY_MEMORY)
1638  RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
1639  else
1640  RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
1641  switch (addr32_data->Info.Mem.Caching)
1642  {
1643  case ACPI_CACHABLE_MEMORY: RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_CACHEABLE; break;
1644  case ACPI_WRITE_COMBINING_MEMORY: RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_COMBINEDWRITE; break;
1645  case ACPI_PREFETCHABLE_MEMORY: RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_PREFETCHABLE; break;
1646  }
1647  RequirementDescriptor->u.Memory.MinimumAddress.QuadPart = addr32_data->Address.Minimum;
1648  RequirementDescriptor->u.Memory.MaximumAddress.QuadPart = addr32_data->Address.Maximum + addr32_data->Address.AddressLength - 1;
1649  RequirementDescriptor->u.Memory.Length = addr32_data->Address.AddressLength;
1650  }
1651  RequirementDescriptor++;
1652  break;
1653  }
1654  case ACPI_RESOURCE_TYPE_ADDRESS64:
1655  {
1656  ACPI_RESOURCE_ADDRESS64 *addr64_data = &resource->Data.Address64;
1657  if (addr64_data->ProducerConsumer == ACPI_PRODUCER)
1658  break;
1659  RequirementDescriptor->Option = CurrentRes ? 0 : IO_RESOURCE_PREFERRED;
1660  if (addr64_data->ResourceType == ACPI_BUS_NUMBER_RANGE)
1661  {
1662  DPRINT1("64-bit bus address is not supported!\n");
1663  RequirementDescriptor->Type = CmResourceTypeBusNumber;
1664  RequirementDescriptor->ShareDisposition = CmResourceShareShared;
1665  RequirementDescriptor->Flags = 0;
1666  RequirementDescriptor->u.BusNumber.MinBusNumber = (ULONG)addr64_data->Address.Minimum;
1667  RequirementDescriptor->u.BusNumber.MaxBusNumber = (ULONG)addr64_data->Address.Maximum + addr64_data->Address.AddressLength - 1;
1668  RequirementDescriptor->u.BusNumber.Length = addr64_data->Address.AddressLength;
1669  }
1670  else if (addr64_data->ResourceType == ACPI_IO_RANGE)
1671  {
1672  RequirementDescriptor->Type = CmResourceTypePort;
1673  RequirementDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1674  RequirementDescriptor->Flags = CM_RESOURCE_PORT_IO;
1675  if (addr64_data->Decode == ACPI_POS_DECODE)
1676  RequirementDescriptor->Flags |= CM_RESOURCE_PORT_POSITIVE_DECODE;
1677  RequirementDescriptor->u.Port.MinimumAddress.QuadPart = addr64_data->Address.Minimum;
1678  RequirementDescriptor->u.Port.MaximumAddress.QuadPart = addr64_data->Address.Maximum + addr64_data->Address.AddressLength - 1;
1679  RequirementDescriptor->u.Port.Length = addr64_data->Address.AddressLength;
1680  }
1681  else
1682  {
1683  RequirementDescriptor->Type = CmResourceTypeMemory;
1684  RequirementDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1685  RequirementDescriptor->Flags = 0;
1686  if (addr64_data->Info.Mem.WriteProtect == ACPI_READ_ONLY_MEMORY)
1687  RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
1688  else
1689  RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
1690  switch (addr64_data->Info.Mem.Caching)
1691  {
1692  case ACPI_CACHABLE_MEMORY: RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_CACHEABLE; break;
1693  case ACPI_WRITE_COMBINING_MEMORY: RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_COMBINEDWRITE; break;
1694  case ACPI_PREFETCHABLE_MEMORY: RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_PREFETCHABLE; break;
1695  }
1696  RequirementDescriptor->u.Memory.MinimumAddress.QuadPart = addr64_data->Address.Minimum;
1697  RequirementDescriptor->u.Memory.MaximumAddress.QuadPart = addr64_data->Address.Maximum + addr64_data->Address.AddressLength - 1;
1698  RequirementDescriptor->u.Memory.Length = addr64_data->Address.AddressLength;
1699  }
1700  RequirementDescriptor++;
1701  break;
1702  }
1703  case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
1704  {
1705  ACPI_RESOURCE_EXTENDED_ADDRESS64 *addr64_data = &resource->Data.ExtAddress64;
1706  if (addr64_data->ProducerConsumer == ACPI_PRODUCER)
1707  break;
1708  RequirementDescriptor->Option = CurrentRes ? 0 : IO_RESOURCE_PREFERRED;
1709  if (addr64_data->ResourceType == ACPI_BUS_NUMBER_RANGE)
1710  {
1711  DPRINT1("64-bit bus address is not supported!\n");
1712  RequirementDescriptor->Type = CmResourceTypeBusNumber;
1713  RequirementDescriptor->ShareDisposition = CmResourceShareShared;
1714  RequirementDescriptor->Flags = 0;
1715  RequirementDescriptor->u.BusNumber.MinBusNumber = (ULONG)addr64_data->Address.Minimum;
1716  RequirementDescriptor->u.BusNumber.MaxBusNumber = (ULONG)addr64_data->Address.Maximum + addr64_data->Address.AddressLength - 1;
1717  RequirementDescriptor->u.BusNumber.Length = addr64_data->Address.AddressLength;
1718  }
1719  else if (addr64_data->ResourceType == ACPI_IO_RANGE)
1720  {
1721  RequirementDescriptor->Type = CmResourceTypePort;
1722  RequirementDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1723  RequirementDescriptor->Flags = CM_RESOURCE_PORT_IO;
1724  if (addr64_data->Decode == ACPI_POS_DECODE)
1725  RequirementDescriptor->Flags |= CM_RESOURCE_PORT_POSITIVE_DECODE;
1726  RequirementDescriptor->u.Port.MinimumAddress.QuadPart = addr64_data->Address.Minimum;
1727  RequirementDescriptor->u.Port.MaximumAddress.QuadPart = addr64_data->Address.Maximum + addr64_data->Address.AddressLength - 1;
1728  RequirementDescriptor->u.Port.Length = addr64_data->Address.AddressLength;
1729  }
1730  else
1731  {
1732  RequirementDescriptor->Type = CmResourceTypeMemory;
1733  RequirementDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1734  RequirementDescriptor->Flags = 0;
1735  if (addr64_data->Info.Mem.WriteProtect == ACPI_READ_ONLY_MEMORY)
1736  RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
1737  else
1738  RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
1739  switch (addr64_data->Info.Mem.Caching)
1740  {
1741  case ACPI_CACHABLE_MEMORY: RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_CACHEABLE; break;
1742  case ACPI_WRITE_COMBINING_MEMORY: RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_COMBINEDWRITE; break;
1743  case ACPI_PREFETCHABLE_MEMORY: RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_PREFETCHABLE; break;
1744  }
1745  RequirementDescriptor->u.Memory.MinimumAddress.QuadPart = addr64_data->Address.Minimum;
1746  RequirementDescriptor->u.Memory.MaximumAddress.QuadPart = addr64_data->Address.Maximum + addr64_data->Address.AddressLength - 1;
1747  RequirementDescriptor->u.Memory.Length = addr64_data->Address.AddressLength;
1748  }
1749  RequirementDescriptor++;
1750  break;
1751  }
1752  case ACPI_RESOURCE_TYPE_MEMORY24:
1753  {
1754  ACPI_RESOURCE_MEMORY24 *mem24_data = &resource->Data.Memory24;
1755  RequirementDescriptor->Option = CurrentRes ? 0 : IO_RESOURCE_PREFERRED;
1756  RequirementDescriptor->Type = CmResourceTypeMemory;
1757  RequirementDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1758  RequirementDescriptor->Flags = CM_RESOURCE_MEMORY_24;
1759  if (mem24_data->WriteProtect == ACPI_READ_ONLY_MEMORY)
1760  RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
1761  else
1762  RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
1763  RequirementDescriptor->u.Memory.MinimumAddress.QuadPart = mem24_data->Minimum;
1764  RequirementDescriptor->u.Memory.MaximumAddress.QuadPart = mem24_data->Maximum + mem24_data->AddressLength - 1;
1765  RequirementDescriptor->u.Memory.Length = mem24_data->AddressLength;
1766 
1767  RequirementDescriptor++;
1768  break;
1769  }
1770  case ACPI_RESOURCE_TYPE_MEMORY32:
1771  {
1772  ACPI_RESOURCE_MEMORY32 *mem32_data = &resource->Data.Memory32;
1773  RequirementDescriptor->Option = CurrentRes ? 0 : IO_RESOURCE_PREFERRED;
1774  RequirementDescriptor->Type = CmResourceTypeMemory;
1775  RequirementDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1776  RequirementDescriptor->Flags = 0;
1777  if (mem32_data->WriteProtect == ACPI_READ_ONLY_MEMORY)
1778  RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
1779  else
1780  RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
1781  RequirementDescriptor->u.Memory.MinimumAddress.QuadPart = mem32_data->Minimum;
1782  RequirementDescriptor->u.Memory.MaximumAddress.QuadPart = mem32_data->Maximum + mem32_data->AddressLength - 1;
1783  RequirementDescriptor->u.Memory.Length = mem32_data->AddressLength;
1784 
1785  RequirementDescriptor++;
1786  break;
1787  }
1788  case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
1789  {
1790  ACPI_RESOURCE_FIXED_MEMORY32 *fixedmem32_data = &resource->Data.FixedMemory32;
1791  RequirementDescriptor->Option = CurrentRes ? 0 : IO_RESOURCE_PREFERRED;
1792  RequirementDescriptor->Type = CmResourceTypeMemory;
1793  RequirementDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1794  RequirementDescriptor->Flags = 0;
1795  if (fixedmem32_data->WriteProtect == ACPI_READ_ONLY_MEMORY)
1796  RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
1797  else
1798  RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
1799  RequirementDescriptor->u.Memory.MinimumAddress.QuadPart = fixedmem32_data->Address;
1800  RequirementDescriptor->u.Memory.MaximumAddress.QuadPart = fixedmem32_data->Address + fixedmem32_data->AddressLength - 1;
1801  RequirementDescriptor->u.Memory.Length = fixedmem32_data->AddressLength;
1802 
1803  RequirementDescriptor++;
1804  break;
1805  }
1806  default:
1807  {
1808  break;
1809  }
1810  }
1811  resource = ACPI_NEXT_RESOURCE(resource);
1812  }
1813  ExFreePoolWithTag(Buffer.Pointer, 'BpcA');
1814 
1815  Irp->IoStatus.Information = (ULONG_PTR)RequirementsList;
1816 
1817  return STATUS_SUCCESS;
1818 }
1819 
1820 #ifndef UNIT_TEST
1821 NTSTATUS
1822 Bus_PDO_QueryDeviceRelations(
1823  PPDO_DEVICE_DATA DeviceData,
1824  PIRP Irp )
1825 /*++
1826 
1827 Routine Description:
1828 
1829  The PnP Manager sends this IRP to gather information about
1830  devices with a relationship to the specified device.
1831  Bus drivers must handle this request for TargetDeviceRelation
1832  for their child devices (child PDOs).
1833 
1834  If a driver returns relations in response to this IRP,
1835  it allocates a DEVICE_RELATIONS structure from paged
1836  memory containing a count and the appropriate number of
1837  device object pointers. The PnP Manager frees the structure
1838  when it is no longer needed. If a driver replaces a
1839  DEVICE_RELATIONS structure allocated by another driver,
1840  it must free the previous structure.
1841 
1842  A driver must reference the PDO of any device that it
1843  reports in this IRP (ObReferenceObject). The PnP Manager
1844  removes the reference when appropriate.
1845 
1846 Arguments:
1847 
1848  DeviceData - Pointer to the PDO's device extension.
1849  Irp - Pointer to the irp.
1850 
1851 Return Value:
1852 
1853  NT STATUS
1854 
1855 --*/
1856 {
1857 
1858  PIO_STACK_LOCATION stack;
1859  PDEVICE_RELATIONS deviceRelations;
1860  NTSTATUS status;
1861 
1862  PAGED_CODE ();
1863 
1864  stack = IoGetCurrentIrpStackLocation (Irp);
1865 
1866  switch (stack->Parameters.QueryDeviceRelations.Type) {
1867 
1868  case TargetDeviceRelation:
1869 
1870  deviceRelations = (PDEVICE_RELATIONS) Irp->IoStatus.Information;
1871  if (deviceRelations) {
1872  //
1873  // Only PDO can handle this request. Somebody above
1874  // is not playing by rule.
1875  //
1876  ASSERTMSG("Someone above is handling TargetDeviceRelation\n", !deviceRelations);
1877  }
1878 
1879  deviceRelations = ExAllocatePoolWithTag(PagedPool,
1880  sizeof(DEVICE_RELATIONS),
1881  'IpcA');
1882  if (!deviceRelations) {
1883  status = STATUS_INSUFFICIENT_RESOURCES;
1884  break;
1885  }
1886 
1887  //
1888  // There is only one PDO pointer in the structure
1889  // for this relation type. The PnP Manager removes
1890  // the reference to the PDO when the driver or application
1891  // un-registers for notification on the device.
1892  //
1893 
1894  deviceRelations->Count = 1;
1895  deviceRelations->Objects[0] = DeviceData->Common.Self;
1896  ObReferenceObject(DeviceData->Common.Self);
1897 
1898  status = STATUS_SUCCESS;
1899  Irp->IoStatus.Information = (ULONG_PTR) deviceRelations;
1900  break;
1901 
1902  case BusRelations: // Not handled by PDO
1903  case EjectionRelations: // optional for PDO
1904  case RemovalRelations: // // optional for PDO
1905  default:
1906  status = Irp->IoStatus.Status;
1907  }
1908 
1909  return status;
1910 }
1911 
1912 NTSTATUS
1913 Bus_PDO_QueryBusInformation(
1914  PPDO_DEVICE_DATA DeviceData,
1915  PIRP Irp )
1916 /*++
1917 
1918 Routine Description:
1919 
1920  The PnP Manager uses this IRP to request the type and
1921  instance number of a device's parent bus. Bus drivers
1922  should handle this request for their child devices (PDOs).
1923 
1924 Arguments:
1925 
1926  DeviceData - Pointer to the PDO's device extension.
1927  Irp - Pointer to the irp.
1928 
1929 Return Value:
1930 
1931  NT STATUS
1932 
1933 --*/
1934 {
1935 
1936  PPNP_BUS_INFORMATION busInfo;
1937 
1938  PAGED_CODE ();
1939 
1940  busInfo = ExAllocatePoolWithTag(PagedPool,
1941  sizeof(PNP_BUS_INFORMATION),
1942  'IpcA');
1943 
1944  if (busInfo == NULL) {
1945  return STATUS_INSUFFICIENT_RESOURCES;
1946  }
1947 
1948  busInfo->BusTypeGuid = GUID_ACPI_INTERFACE_STANDARD;
1949 
1950  busInfo->LegacyBusType = InternalPowerBus;
1951 
1952  busInfo->BusNumber = 0; //fixme
1953 
1954  Irp->IoStatus.Information = (ULONG_PTR)busInfo;
1955 
1956  return STATUS_SUCCESS;
1957 }
1958 
1959 
1960 NTSTATUS
1961 Bus_GetDeviceCapabilities(
1962  PDEVICE_OBJECT DeviceObject,
1963  PDEVICE_CAPABILITIES DeviceCapabilities
1964  )
1965 {
1966  IO_STATUS_BLOCK ioStatus;
1967  KEVENT pnpEvent;
1968  NTSTATUS status;
1969  PDEVICE_OBJECT targetObject;
1970  PIO_STACK_LOCATION irpStack;
1971  PIRP pnpIrp;
1972 
1973  PAGED_CODE();
1974 
1975  //
1976  // Initialize the capabilities that we will send down
1977  //
1978  RtlZeroMemory( DeviceCapabilities, sizeof(DEVICE_CAPABILITIES) );
1979  DeviceCapabilities->Size = sizeof(DEVICE_CAPABILITIES);
1980  DeviceCapabilities->Version = 1;
1981  DeviceCapabilities->Address = -1;
1982  DeviceCapabilities->UINumber = -1;
1983 
1984  //
1985  // Initialize the event
1986  //
1987  KeInitializeEvent( &pnpEvent, NotificationEvent, FALSE );
1988 
1989  targetObject = IoGetAttachedDeviceReference( DeviceObject );
1990 
1991  //
1992  // Build an Irp
1993  //
1994  pnpIrp = IoBuildSynchronousFsdRequest(
1995  IRP_MJ_PNP,
1996  targetObject,
1997  NULL,
1998  0,
1999  NULL,
2000  &pnpEvent,
2001  &ioStatus
2002  );
2003  if (pnpIrp == NULL) {
2004 
2005  status = STATUS_INSUFFICIENT_RESOURCES;
2006  goto GetDeviceCapabilitiesExit;
2007 
2008  }
2009 
2010  //
2011  // Pnp Irps all begin life as STATUS_NOT_SUPPORTED;
2012  //
2013  pnpIrp->IoStatus.Status = STATUS_NOT_SUPPORTED;
2014 
2015  //
2016  // Get the top of stack
2017  //
2018  irpStack = IoGetNextIrpStackLocation( pnpIrp );
2019 
2020  //
2021  // Set the top of stack
2022  //
2023  RtlZeroMemory( irpStack, sizeof(IO_STACK_LOCATION ) );
2024  irpStack->MajorFunction = IRP_MJ_PNP;
2025  irpStack->MinorFunction = IRP_MN_QUERY_CAPABILITIES;
2026  irpStack->Parameters.DeviceCapabilities.Capabilities = DeviceCapabilities;
2027 
2028  //
2029  // Call the driver
2030  //
2031  status = IoCallDriver( targetObject, pnpIrp );
2032  if (status == STATUS_PENDING) {
2033 
2034  //
2035  // Block until the irp comes back.
2036  // Important thing to note here is when you allocate
2037  // the memory for an event in the stack you must do a
2038  // KernelMode wait instead of UserMode to prevent
2039  // the stack from getting paged out.
2040  //
2041 
2042  KeWaitForSingleObject(
2043  &pnpEvent,
2044  Executive,
2045  KernelMode,
2046  FALSE,
2047  NULL
2048  );
2049  status = ioStatus.Status;
2050 
2051  }
2052 
2053 GetDeviceCapabilitiesExit:
2054  //
2055  // Done with reference
2056  //
2057  ObDereferenceObject( targetObject );
2058 
2059  //
2060  // Done
2061  //
2062  return status;
2063 
2064 }
2065 #endif /* UNIT_TEST */
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