ReactOS  0.4.14-dev-41-g31d7680
buspdo.c
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1 #include "precomp.h"
2 
3 #include <initguid.h>
4 #include <poclass.h>
5 
6 #define NDEBUG
7 #include <debug.h>
8 
9 #ifdef ALLOC_PRAGMA
10 #pragma alloc_text (PAGE, Bus_PDO_PnP)
11 #pragma alloc_text (PAGE, Bus_PDO_QueryDeviceCaps)
12 #pragma alloc_text (PAGE, Bus_PDO_QueryDeviceId)
13 #pragma alloc_text (PAGE, Bus_PDO_QueryDeviceText)
14 #pragma alloc_text (PAGE, Bus_PDO_QueryResources)
15 #pragma alloc_text (PAGE, Bus_PDO_QueryResourceRequirements)
16 #pragma alloc_text (PAGE, Bus_PDO_QueryDeviceRelations)
17 #pragma alloc_text (PAGE, Bus_PDO_QueryBusInformation)
18 #pragma alloc_text (PAGE, Bus_GetDeviceCapabilities)
19 #endif
20 
21 NTSTATUS
22 Bus_PDO_PnP (
23  PDEVICE_OBJECT DeviceObject,
24  PIRP Irp,
25  PIO_STACK_LOCATION IrpStack,
26  PPDO_DEVICE_DATA DeviceData
27  )
28 {
29  NTSTATUS status;
30  POWER_STATE state;
31  struct acpi_device *device = NULL;
32 
33  PAGED_CODE ();
34 
35  if (DeviceData->AcpiHandle)
36  acpi_bus_get_device(DeviceData->AcpiHandle, &device);
37 
38  //
39  // NB: Because we are a bus enumerator, we have no one to whom we could
40  // defer these irps. Therefore we do not pass them down but merely
41  // return them.
42  //
43 
44  switch (IrpStack->MinorFunction) {
45 
46  case IRP_MN_START_DEVICE:
47  //
48  // Here we do what ever initialization and ``turning on'' that is
49  // required to allow others to access this device.
50  // Power up the device.
51  //
52  if (DeviceData->AcpiHandle && acpi_bus_power_manageable(DeviceData->AcpiHandle) &&
53  !ACPI_SUCCESS(acpi_bus_set_power(DeviceData->AcpiHandle, ACPI_STATE_D0)))
54  {
55  DPRINT1("Device %x failed to start!\n", DeviceData->AcpiHandle);
56  status = STATUS_UNSUCCESSFUL;
57  break;
58  }
59 
60  DeviceData->InterfaceName.Length = 0;
61  status = STATUS_SUCCESS;
62 
63  if (!device)
64  {
65  status = IoRegisterDeviceInterface(DeviceData->Common.Self,
66  &GUID_DEVICE_SYS_BUTTON,
67  NULL,
68  &DeviceData->InterfaceName);
69  }
70  else if (device->flags.hardware_id &&
71  strstr(device->pnp.hardware_id, ACPI_THERMAL_HID))
72  {
73  status = IoRegisterDeviceInterface(DeviceData->Common.Self,
74  &GUID_DEVICE_THERMAL_ZONE,
75  NULL,
76  &DeviceData->InterfaceName);
77  }
78  else if (device->flags.hardware_id &&
79  strstr(device->pnp.hardware_id, ACPI_BUTTON_HID_LID))
80  {
81  status = IoRegisterDeviceInterface(DeviceData->Common.Self,
82  &GUID_DEVICE_LID,
83  NULL,
84  &DeviceData->InterfaceName);
85  }
86  else if (device->flags.hardware_id &&
87  strstr(device->pnp.hardware_id, ACPI_PROCESSOR_HID))
88  {
89  status = IoRegisterDeviceInterface(DeviceData->Common.Self,
90  &GUID_DEVICE_PROCESSOR,
91  NULL,
92  &DeviceData->InterfaceName);
93  }
94 
95  /* Failure to register an interface is not a fatal failure so don't return a failure status */
96  if (NT_SUCCESS(status) && DeviceData->InterfaceName.Length != 0)
97  IoSetDeviceInterfaceState(&DeviceData->InterfaceName, TRUE);
98 
99  state.DeviceState = PowerDeviceD0;
100  PoSetPowerState(DeviceData->Common.Self, DevicePowerState, state);
101  DeviceData->Common.DevicePowerState = PowerDeviceD0;
102  SET_NEW_PNP_STATE(DeviceData->Common, Started);
103  status = STATUS_SUCCESS;
104  break;
105 
106  case IRP_MN_STOP_DEVICE:
107 
108  if (DeviceData->InterfaceName.Length != 0)
109  IoSetDeviceInterfaceState(&DeviceData->InterfaceName, FALSE);
110 
111  //
112  // Here we shut down the device and give up and unmap any resources
113  // we acquired for the device.
114  //
115  if (DeviceData->AcpiHandle && acpi_bus_power_manageable(DeviceData->AcpiHandle) &&
116  !ACPI_SUCCESS(acpi_bus_set_power(DeviceData->AcpiHandle, ACPI_STATE_D3)))
117  {
118  DPRINT1("Device %x failed to stop!\n", DeviceData->AcpiHandle);
119  status = STATUS_UNSUCCESSFUL;
120  break;
121  }
122 
123  state.DeviceState = PowerDeviceD3;
124  PoSetPowerState(DeviceData->Common.Self, DevicePowerState, state);
125  DeviceData->Common.DevicePowerState = PowerDeviceD3;
126  SET_NEW_PNP_STATE(DeviceData->Common, Stopped);
127  status = STATUS_SUCCESS;
128  break;
129 
130 
131  case IRP_MN_QUERY_STOP_DEVICE:
132 
133  //
134  // No reason here why we can't stop the device.
135  // If there were a reason we should speak now, because answering success
136  // here may result in a stop device irp.
137  //
138 
139  SET_NEW_PNP_STATE(DeviceData->Common, StopPending);
140  status = STATUS_SUCCESS;
141  break;
142 
143  case IRP_MN_CANCEL_STOP_DEVICE:
144 
145  //
146  // The stop was canceled. Whatever state we set, or resources we put
147  // on hold in anticipation of the forthcoming STOP device IRP should be
148  // put back to normal. Someone, in the long list of concerned parties,
149  // has failed the stop device query.
150  //
151 
152  //
153  // First check to see whether you have received cancel-stop
154  // without first receiving a query-stop. This could happen if someone
155  // above us fails a query-stop and passes down the subsequent
156  // cancel-stop.
157  //
158 
159  if (StopPending == DeviceData->Common.DevicePnPState)
160  {
161  //
162  // We did receive a query-stop, so restore.
163  //
164  RESTORE_PREVIOUS_PNP_STATE(DeviceData->Common);
165  }
166  status = STATUS_SUCCESS;// We must not fail this IRP.
167  break;
168 
169  case IRP_MN_REMOVE_DEVICE:
170  //
171  // We handle REMOVE_DEVICE just like STOP_DEVICE. This is because
172  // the device is still physically present (or at least we don't know any better)
173  // so we have to retain the PDO after stopping and removing power from it.
174  //
175  if (DeviceData->InterfaceName.Length != 0)
176  IoSetDeviceInterfaceState(&DeviceData->InterfaceName, FALSE);
177 
178  if (DeviceData->AcpiHandle && acpi_bus_power_manageable(DeviceData->AcpiHandle) &&
179  !ACPI_SUCCESS(acpi_bus_set_power(DeviceData->AcpiHandle, ACPI_STATE_D3)))
180  {
181  DPRINT1("Device %x failed to enter D3!\n", DeviceData->AcpiHandle);
182  state.DeviceState = PowerDeviceD3;
183  PoSetPowerState(DeviceData->Common.Self, DevicePowerState, state);
184  DeviceData->Common.DevicePowerState = PowerDeviceD3;
185  }
186 
187  SET_NEW_PNP_STATE(DeviceData->Common, Stopped);
188  status = STATUS_SUCCESS;
189  break;
190 
191  case IRP_MN_QUERY_REMOVE_DEVICE:
192  SET_NEW_PNP_STATE(DeviceData->Common, RemovalPending);
193  status = STATUS_SUCCESS;
194  break;
195 
196  case IRP_MN_CANCEL_REMOVE_DEVICE:
197  if (RemovalPending == DeviceData->Common.DevicePnPState)
198  {
199  RESTORE_PREVIOUS_PNP_STATE(DeviceData->Common);
200  }
201  status = STATUS_SUCCESS;
202  break;
203 
204  case IRP_MN_QUERY_CAPABILITIES:
205 
206  //
207  // Return the capabilities of a device, such as whether the device
208  // can be locked or ejected..etc
209  //
210 
211  status = Bus_PDO_QueryDeviceCaps(DeviceData, Irp);
212 
213  break;
214 
215  case IRP_MN_QUERY_ID:
216 
217  // Query the IDs of the device
218  status = Bus_PDO_QueryDeviceId(DeviceData, Irp);
219 
220  break;
221 
222  case IRP_MN_QUERY_DEVICE_RELATIONS:
223 
224  DPRINT("\tQueryDeviceRelation Type: %s\n",DbgDeviceRelationString(\
225  IrpStack->Parameters.QueryDeviceRelations.Type));
226 
227  status = Bus_PDO_QueryDeviceRelations(DeviceData, Irp);
228 
229  break;
230 
231  case IRP_MN_QUERY_DEVICE_TEXT:
232 
233  status = Bus_PDO_QueryDeviceText(DeviceData, Irp);
234 
235  break;
236 
237  case IRP_MN_QUERY_RESOURCES:
238 
239  status = Bus_PDO_QueryResources(DeviceData, Irp);
240 
241  break;
242 
243  case IRP_MN_QUERY_RESOURCE_REQUIREMENTS:
244 
245  status = Bus_PDO_QueryResourceRequirements(DeviceData, Irp);
246 
247  break;
248 
249  case IRP_MN_QUERY_BUS_INFORMATION:
250 
251  status = Bus_PDO_QueryBusInformation(DeviceData, Irp);
252 
253  break;
254 
255  case IRP_MN_QUERY_INTERFACE:
256 
257  status = Bus_PDO_QueryInterface(DeviceData, Irp);
258 
259  break;
260 
261 
262  case IRP_MN_FILTER_RESOURCE_REQUIREMENTS:
263 
264  //
265  // OPTIONAL for bus drivers.
266  // The PnP Manager sends this IRP to a device
267  // stack so filter and function drivers can adjust the
268  // resources required by the device, if appropriate.
269  //
270 
271  //break;
272 
273  //case IRP_MN_QUERY_PNP_DEVICE_STATE:
274 
275  //
276  // OPTIONAL for bus drivers.
277  // The PnP Manager sends this IRP after the drivers for
278  // a device return success from the IRP_MN_START_DEVICE
279  // request. The PnP Manager also sends this IRP when a
280  // driver for the device calls IoInvalidateDeviceState.
281  //
282 
283  // break;
284 
285  //case IRP_MN_READ_CONFIG:
286  //case IRP_MN_WRITE_CONFIG:
287 
288  //
289  // Bus drivers for buses with configuration space must handle
290  // this request for their child devices. Our devices don't
291  // have a config space.
292  //
293 
294  // break;
295 
296  //case IRP_MN_SET_LOCK:
297 
298  // break;
299 
300  default:
301 
302  //
303  // For PnP requests to the PDO that we do not understand we should
304  // return the IRP WITHOUT setting the status or information fields.
305  // These fields may have already been set by a filter (eg acpi).
306  status = Irp->IoStatus.Status;
307 
308  break;
309  }
310 
311  Irp->IoStatus.Status = status;
312  IoCompleteRequest (Irp, IO_NO_INCREMENT);
313 
314  return status;
315 }
316 
317 NTSTATUS
318 Bus_PDO_QueryDeviceCaps(
319  PPDO_DEVICE_DATA DeviceData,
320  PIRP Irp )
321 {
322 
323  PIO_STACK_LOCATION stack;
324  PDEVICE_CAPABILITIES deviceCapabilities;
325  struct acpi_device *device = NULL;
326  ULONG i;
327 
328  PAGED_CODE ();
329 
330  if (DeviceData->AcpiHandle)
331  acpi_bus_get_device(DeviceData->AcpiHandle, &device);
332 
333  stack = IoGetCurrentIrpStackLocation (Irp);
334 
335  //
336  // Get the packet.
337  //
338  deviceCapabilities=stack->Parameters.DeviceCapabilities.Capabilities;
339 
340  //
341  // Set the capabilities.
342  //
343 
344  if (deviceCapabilities->Version != 1 ||
345  deviceCapabilities->Size < sizeof(DEVICE_CAPABILITIES))
346  {
347  return STATUS_UNSUCCESSFUL;
348  }
349 
350  deviceCapabilities->D1Latency = 0;
351  deviceCapabilities->D2Latency = 0;
352  deviceCapabilities->D3Latency = 0;
353 
354  deviceCapabilities->DeviceState[PowerSystemWorking] = PowerDeviceD0;
355  deviceCapabilities->DeviceState[PowerSystemSleeping1] = PowerDeviceD3;
356  deviceCapabilities->DeviceState[PowerSystemSleeping2] = PowerDeviceD3;
357  deviceCapabilities->DeviceState[PowerSystemSleeping3] = PowerDeviceD3;
358 
359  for (i = 0; i < ACPI_D_STATE_COUNT && device; i++)
360  {
361  if (!device->power.states[i].flags.valid)
362  continue;
363 
364  switch (i)
365  {
366  case ACPI_STATE_D0:
367  deviceCapabilities->DeviceState[PowerSystemWorking] = PowerDeviceD0;
368  break;
369 
370  case ACPI_STATE_D1:
371  deviceCapabilities->DeviceState[PowerSystemSleeping1] = PowerDeviceD1;
372  deviceCapabilities->D1Latency = device->power.states[i].latency;
373  break;
374 
375  case ACPI_STATE_D2:
376  deviceCapabilities->DeviceState[PowerSystemSleeping2] = PowerDeviceD2;
377  deviceCapabilities->D2Latency = device->power.states[i].latency;
378  break;
379 
380  case ACPI_STATE_D3:
381  deviceCapabilities->DeviceState[PowerSystemSleeping3] = PowerDeviceD3;
382  deviceCapabilities->D3Latency = device->power.states[i].latency;
383  break;
384  }
385  }
386 
387  // We can wake the system from D1
388  deviceCapabilities->DeviceWake = PowerDeviceD1;
389 
390 
391  deviceCapabilities->DeviceD1 =
392  (deviceCapabilities->DeviceState[PowerSystemSleeping1] == PowerDeviceD1) ? TRUE : FALSE;
393  deviceCapabilities->DeviceD2 =
394  (deviceCapabilities->DeviceState[PowerSystemSleeping2] == PowerDeviceD2) ? TRUE : FALSE;
395 
396  deviceCapabilities->WakeFromD0 = FALSE;
397  deviceCapabilities->WakeFromD1 = TRUE; //Yes we can
398  deviceCapabilities->WakeFromD2 = FALSE;
399  deviceCapabilities->WakeFromD3 = FALSE;
400 
401  if (device)
402  {
403  deviceCapabilities->LockSupported = device->flags.lockable;
404  deviceCapabilities->EjectSupported = device->flags.ejectable;
405  deviceCapabilities->HardwareDisabled = !device->status.enabled && !device->status.functional;
406  deviceCapabilities->Removable = device->flags.removable;
407  deviceCapabilities->SurpriseRemovalOK = device->flags.surprise_removal_ok;
408  deviceCapabilities->UniqueID = device->flags.unique_id;
409  deviceCapabilities->NoDisplayInUI = !device->status.show_in_ui;
410  deviceCapabilities->Address = device->pnp.bus_address;
411  }
412 
413  if (!device ||
414  (device->flags.hardware_id &&
415  (strstr(device->pnp.hardware_id, ACPI_BUTTON_HID_LID) ||
416  strstr(device->pnp.hardware_id, ACPI_THERMAL_HID) ||
417  strstr(device->pnp.hardware_id, ACPI_PROCESSOR_HID))))
418  {
419  /* Allow ACPI to control the device if it is a lid button,
420  * a thermal zone, a processor, or a fixed feature button */
421  deviceCapabilities->RawDeviceOK = TRUE;
422  }
423 
424  deviceCapabilities->SilentInstall = FALSE;
425  deviceCapabilities->UINumber = (ULONG)-1;
426 
427  return STATUS_SUCCESS;
428 
429 }
430 
431 NTSTATUS
432 Bus_PDO_QueryDeviceId(
433  PPDO_DEVICE_DATA DeviceData,
434  PIRP Irp )
435 {
436  PIO_STACK_LOCATION stack;
437  PWCHAR buffer, src;
438  WCHAR temp[256];
439  ULONG length, i;
440  NTSTATUS status = STATUS_SUCCESS;
441  struct acpi_device *Device;
442 
443  PAGED_CODE ();
444 
445  stack = IoGetCurrentIrpStackLocation (Irp);
446 
447  switch (stack->Parameters.QueryId.IdType) {
448 
449  case BusQueryDeviceID:
450 
451  /* This is a REG_SZ value */
452 
453  if (DeviceData->AcpiHandle)
454  {
455  acpi_bus_get_device(DeviceData->AcpiHandle, &Device);
456 
457  if (strcmp(Device->pnp.hardware_id, "Processor") == 0)
458  {
459  length = wcslen(ProcessorIdString);
460  wcscpy(temp, ProcessorIdString);
461  }
462  else
463  {
464  length = swprintf(temp,
465  L"ACPI\\%hs",
466  Device->pnp.hardware_id);
467  }
468  }
469  else
470  {
471  /* We know it's a fixed feature button because
472  * these are direct children of the ACPI root device
473  * and therefore have no handle
474  */
475  length = swprintf(temp,
476  L"ACPI\\FixedButton");
477  }
478 
479  temp[length++] = UNICODE_NULL;
480 
481  NT_ASSERT(length * sizeof(WCHAR) <= sizeof(temp));
482 
483  buffer = ExAllocatePoolWithTag(PagedPool, length * sizeof(WCHAR), 'IpcA');
484 
485  if (!buffer) {
486  status = STATUS_INSUFFICIENT_RESOURCES;
487  break;
488  }
489 
490  RtlCopyMemory (buffer, temp, length * sizeof(WCHAR));
491  Irp->IoStatus.Information = (ULONG_PTR) buffer;
492  DPRINT("BusQueryDeviceID: %ls\n",buffer);
493  break;
494 
495  case BusQueryInstanceID:
496 
497  /* This is a REG_SZ value */
498 
499  /* See comment in BusQueryDeviceID case */
500  if(DeviceData->AcpiHandle)
501  {
502  acpi_bus_get_device(DeviceData->AcpiHandle, &Device);
503 
504  if (Device->flags.unique_id)
505  length = swprintf(temp,
506  L"%hs",
507  Device->pnp.unique_id);
508  else
509  /* FIXME: Generate unique id! */
510  length = swprintf(temp, L"%ls", L"0");
511  }
512  else
513  {
514  /* FIXME: Generate unique id! */
515  length = swprintf(temp, L"%ls", L"0");
516  }
517 
518  temp[length++] = UNICODE_NULL;
519 
520  NT_ASSERT(length * sizeof(WCHAR) <= sizeof(temp));
521 
522  buffer = ExAllocatePoolWithTag(PagedPool, length * sizeof(WCHAR), 'IpcA');
523  if (!buffer) {
524  status = STATUS_INSUFFICIENT_RESOURCES;
525  break;
526  }
527 
528  RtlCopyMemory (buffer, temp, length * sizeof (WCHAR));
529  DPRINT("BusQueryInstanceID: %ls\n",buffer);
530  Irp->IoStatus.Information = (ULONG_PTR) buffer;
531  break;
532 
533  case BusQueryHardwareIDs:
534 
535  /* This is a REG_MULTI_SZ value */
536  length = 0;
537  status = STATUS_NOT_SUPPORTED;
538 
539  /* See comment in BusQueryDeviceID case */
540  if (DeviceData->AcpiHandle)
541  {
542  acpi_bus_get_device(DeviceData->AcpiHandle, &Device);
543 
544  if (!Device->flags.hardware_id)
545  {
546  /* We don't have the ID to satisfy this request */
547  break;
548  }
549 
550  DPRINT("Device name: %s\n", Device->pnp.device_name);
551  DPRINT("Hardware ID: %s\n", Device->pnp.hardware_id);
552 
553  if (strcmp(Device->pnp.hardware_id, "Processor") == 0)
554  {
555  length = ProcessorHardwareIds.Length / sizeof(WCHAR);
556  src = ProcessorHardwareIds.Buffer;
557  }
558  else
559  {
560  length += swprintf(&temp[length],
561  L"ACPI\\%hs",
562  Device->pnp.hardware_id);
563  temp[length++] = UNICODE_NULL;
564 
565  length += swprintf(&temp[length],
566  L"*%hs",
567  Device->pnp.hardware_id);
568  temp[length++] = UNICODE_NULL;
569  temp[length++] = UNICODE_NULL;
570  src = temp;
571  }
572  }
573  else
574  {
575  length += swprintf(&temp[length],
576  L"ACPI\\FixedButton");
577  temp[length++] = UNICODE_NULL;
578 
579  length += swprintf(&temp[length],
580  L"*FixedButton");
581  temp[length++] = UNICODE_NULL;
582  temp[length++] = UNICODE_NULL;
583  src = temp;
584  }
585 
586  NT_ASSERT(length * sizeof(WCHAR) <= sizeof(temp));
587 
588  buffer = ExAllocatePoolWithTag(PagedPool, length * sizeof(WCHAR), 'IpcA');
589 
590  if (!buffer) {
591  status = STATUS_INSUFFICIENT_RESOURCES;
592  break;
593  }
594 
595  RtlCopyMemory (buffer, src, length * sizeof(WCHAR));
596  Irp->IoStatus.Information = (ULONG_PTR) buffer;
597  DPRINT("BusQueryHardwareIDs: %ls\n",buffer);
598  status = STATUS_SUCCESS;
599  break;
600 
601  case BusQueryCompatibleIDs:
602 
603  /* This is a REG_MULTI_SZ value */
604  length = 0;
605  status = STATUS_NOT_SUPPORTED;
606 
607  /* See comment in BusQueryDeviceID case */
608  if (DeviceData->AcpiHandle)
609  {
610  acpi_bus_get_device(DeviceData->AcpiHandle, &Device);
611 
612  if (!Device->flags.hardware_id)
613  {
614  /* We don't have the ID to satisfy this request */
615  break;
616  }
617 
618  DPRINT("Device name: %s\n", Device->pnp.device_name);
619  DPRINT("Hardware ID: %s\n", Device->pnp.hardware_id);
620 
621  if (strcmp(Device->pnp.hardware_id, "Processor") == 0)
622  {
623  length += swprintf(&temp[length],
624  L"ACPI\\%hs",
625  Device->pnp.hardware_id);
626  temp[length++] = UNICODE_NULL;
627 
628  length += swprintf(&temp[length],
629  L"*%hs",
630  Device->pnp.hardware_id);
631  temp[length++] = UNICODE_NULL;
632  temp[length++] = UNICODE_NULL;
633  }
634  else if (Device->flags.compatible_ids)
635  {
636  for (i = 0; i < Device->pnp.cid_list->Count; i++)
637  {
638  length += swprintf(&temp[length],
639  L"ACPI\\%hs",
640  Device->pnp.cid_list->Ids[i].String);
641  temp[length++] = UNICODE_NULL;
642 
643  length += swprintf(&temp[length],
644  L"*%hs",
645  Device->pnp.cid_list->Ids[i].String);
646  temp[length++] = UNICODE_NULL;
647  }
648 
649  temp[length++] = UNICODE_NULL;
650  }
651  else
652  {
653  /* No compatible IDs */
654  break;
655  }
656 
657  NT_ASSERT(length * sizeof(WCHAR) <= sizeof(temp));
658 
659  buffer = ExAllocatePoolWithTag(PagedPool, length * sizeof(WCHAR), 'IpcA');
660  if (!buffer)
661  {
662  status = STATUS_INSUFFICIENT_RESOURCES;
663  break;
664  }
665 
666  RtlCopyMemory (buffer, temp, length * sizeof(WCHAR));
667  Irp->IoStatus.Information = (ULONG_PTR) buffer;
668  DPRINT("BusQueryCompatibleIDs: %ls\n",buffer);
669  status = STATUS_SUCCESS;
670  }
671  break;
672 
673  default:
674  status = Irp->IoStatus.Status;
675  }
676  return status;
677 }
678 
679 NTSTATUS
680 Bus_PDO_QueryDeviceText(
681  PPDO_DEVICE_DATA DeviceData,
682  PIRP Irp )
683 {
684  PWCHAR Buffer, Temp;
685  PIO_STACK_LOCATION stack;
686  NTSTATUS status = Irp->IoStatus.Status;
687  PAGED_CODE ();
688 
689  stack = IoGetCurrentIrpStackLocation (Irp);
690 
691  switch (stack->Parameters.QueryDeviceText.DeviceTextType) {
692 
693  case DeviceTextDescription:
694 
695  if (!Irp->IoStatus.Information) {
696  if (wcsstr (DeviceData->HardwareIDs, L"PNP000") != 0)
697  Temp = L"Programmable interrupt controller";
698  else if (wcsstr(DeviceData->HardwareIDs, L"PNP010") != 0)
699  Temp = L"System timer";
700  else if (wcsstr(DeviceData->HardwareIDs, L"PNP020") != 0)
701  Temp = L"DMA controller";
702  else if (wcsstr(DeviceData->HardwareIDs, L"PNP03") != 0)
703  Temp = L"Keyboard";
704  else if (wcsstr(DeviceData->HardwareIDs, L"PNP040") != 0)
705  Temp = L"Parallel port";
706  else if (wcsstr(DeviceData->HardwareIDs, L"PNP05") != 0)
707  Temp = L"Serial port";
708  else if (wcsstr(DeviceData->HardwareIDs, L"PNP06") != 0)
709  Temp = L"Disk controller";
710  else if (wcsstr(DeviceData->HardwareIDs, L"PNP07") != 0)
711  Temp = L"Disk controller";
712  else if (wcsstr(DeviceData->HardwareIDs, L"PNP09") != 0)
713  Temp = L"Display adapter";
714  else if (wcsstr(DeviceData->HardwareIDs, L"PNP0A0") != 0)
715  Temp = L"Bus controller";
716  else if (wcsstr(DeviceData->HardwareIDs, L"PNP0E0") != 0)
717  Temp = L"PCMCIA controller";
718  else if (wcsstr(DeviceData->HardwareIDs, L"PNP0F") != 0)
719  Temp = L"Mouse device";
720  else if (wcsstr(DeviceData->HardwareIDs, L"PNP8") != 0)
721  Temp = L"Network adapter";
722  else if (wcsstr(DeviceData->HardwareIDs, L"PNPA0") != 0)
723  Temp = L"SCSI controller";
724  else if (wcsstr(DeviceData->HardwareIDs, L"PNPB0") != 0)
725  Temp = L"Multimedia device";
726  else if (wcsstr(DeviceData->HardwareIDs, L"PNPC00") != 0)
727  Temp = L"Modem";
728  else if (wcsstr(DeviceData->HardwareIDs, L"PNP0C0C") != 0)
729  Temp = L"Power Button";
730  else if (wcsstr(DeviceData->HardwareIDs, L"PNP0C0E") != 0)
731  Temp = L"Sleep Button";
732  else if (wcsstr(DeviceData->HardwareIDs, L"PNP0C0D") != 0)
733  Temp = L"Lid Switch";
734  else if (wcsstr(DeviceData->HardwareIDs, L"PNP0C09") != 0)
735  Temp = L"ACPI Embedded Controller";
736  else if (wcsstr(DeviceData->HardwareIDs, L"PNP0C0B") != 0)
737  Temp = L"ACPI Fan";
738  else if (wcsstr(DeviceData->HardwareIDs, L"PNP0A03") != 0 ||
739  wcsstr(DeviceData->HardwareIDs, L"PNP0A08") != 0)
740  Temp = L"PCI Root Bridge";
741  else if (wcsstr(DeviceData->HardwareIDs, L"PNP0C0A") != 0)
742  Temp = L"ACPI Battery";
743  else if (wcsstr(DeviceData->HardwareIDs, L"PNP0C0F") != 0)
744  Temp = L"PCI Interrupt Link";
745  else if (wcsstr(DeviceData->HardwareIDs, L"ACPI_PWR") != 0)
746  Temp = L"ACPI Power Resource";
747  else if (wcsstr(DeviceData->HardwareIDs, L"Processor") != 0)
748  {
749  if (ProcessorNameString != NULL)
750  Temp = ProcessorNameString;
751  else
752  Temp = L"Processor";
753  }
754  else if (wcsstr(DeviceData->HardwareIDs, L"ThermalZone") != 0)
755  Temp = L"ACPI Thermal Zone";
756  else if (wcsstr(DeviceData->HardwareIDs, L"ACPI0002") != 0)
757  Temp = L"Smart Battery";
758  else if (wcsstr(DeviceData->HardwareIDs, L"ACPI0003") != 0)
759  Temp = L"AC Adapter";
760  /* Simply checking if AcpiHandle is NULL eliminates the need to check
761  * for the 4 different names that ACPI knows the fixed feature button as internally
762  */
763  else if (!DeviceData->AcpiHandle)
764  Temp = L"ACPI Fixed Feature Button";
765  else
766  Temp = L"Other ACPI device";
767 
768  Buffer = ExAllocatePoolWithTag(PagedPool, (wcslen(Temp) + 1) * sizeof(WCHAR), 'IpcA');
769 
770  if (!Buffer) {
771  status = STATUS_INSUFFICIENT_RESOURCES;
772  break;
773  }
774 
775  RtlCopyMemory (Buffer, Temp, (wcslen(Temp) + 1) * sizeof(WCHAR));
776 
777  DPRINT("\tDeviceTextDescription :%ws\n", Buffer);
778 
779  Irp->IoStatus.Information = (ULONG_PTR) Buffer;
780  status = STATUS_SUCCESS;
781  }
782  break;
783 
784  default:
785  break;
786  }
787 
788  return status;
789 
790 }
791 
792 NTSTATUS
793 Bus_PDO_QueryResources(
794  PPDO_DEVICE_DATA DeviceData,
795  PIRP Irp )
796 {
797  ULONG NumberOfResources = 0;
798  PCM_RESOURCE_LIST ResourceList;
799  PCM_PARTIAL_RESOURCE_DESCRIPTOR ResourceDescriptor;
800  ACPI_STATUS AcpiStatus;
801  ACPI_BUFFER Buffer;
802  ACPI_RESOURCE* resource;
803  ULONG ResourceListSize;
804  ULONG i;
805  ULONGLONG BusNumber;
806  struct acpi_device *device;
807 
808  if (!DeviceData->AcpiHandle)
809  {
810  return Irp->IoStatus.Status;
811  }
812 
813  /* A bus number resource is not included in the list of current resources
814  * for the root PCI bus so we manually query one here and if we find it
815  * we create a resource list and add a bus number descriptor to it */
816  if (wcsstr(DeviceData->HardwareIDs, L"PNP0A03") != 0 ||
817  wcsstr(DeviceData->HardwareIDs, L"PNP0A08") != 0)
818  {
819  acpi_bus_get_device(DeviceData->AcpiHandle, &device);
820 
821  AcpiStatus = acpi_evaluate_integer(DeviceData->AcpiHandle, "_BBN", NULL, &BusNumber);
822  if (AcpiStatus != AE_OK)
823  {
824 #if 0
825  if (device->flags.unique_id)
826  {
827  /* FIXME: Try the unique ID */
828  }
829  else
830 #endif
831  {
832  BusNumber = 0;
833  DPRINT1("Failed to find a bus number\n");
834  }
835  }
836  else
837  {
838  DPRINT("Using _BBN for bus number\n");
839  }
840 
841  DPRINT("Found PCI root hub: %d\n", BusNumber);
842 
843  ResourceListSize = sizeof(CM_RESOURCE_LIST);
844  ResourceList = ExAllocatePoolWithTag(PagedPool, ResourceListSize, 'RpcA');
845  if (!ResourceList)
846  return STATUS_INSUFFICIENT_RESOURCES;
847 
848  ResourceList->Count = 1;
849  ResourceList->List[0].InterfaceType = Internal;
850  ResourceList->List[0].BusNumber = 0;
851  ResourceList->List[0].PartialResourceList.Version = 1;
852  ResourceList->List[0].PartialResourceList.Revision = 1;
853  ResourceList->List[0].PartialResourceList.Count = 1;
854  ResourceDescriptor = ResourceList->List[0].PartialResourceList.PartialDescriptors;
855 
856  ResourceDescriptor->Type = CmResourceTypeBusNumber;
857  ResourceDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
858  ResourceDescriptor->u.BusNumber.Start = BusNumber;
859  ResourceDescriptor->u.BusNumber.Length = 1;
860 
861  Irp->IoStatus.Information = (ULONG_PTR)ResourceList;
862  return STATUS_SUCCESS;
863  }
864 
865  /* Get current resources */
866  Buffer.Length = 0;
867  AcpiStatus = AcpiGetCurrentResources(DeviceData->AcpiHandle, &Buffer);
868  if ((!ACPI_SUCCESS(AcpiStatus) && AcpiStatus != AE_BUFFER_OVERFLOW) ||
869  Buffer.Length == 0)
870  {
871  return Irp->IoStatus.Status;
872  }
873 
874  Buffer.Pointer = ExAllocatePoolWithTag(PagedPool, Buffer.Length, 'BpcA');
875  if (!Buffer.Pointer)
876  return STATUS_INSUFFICIENT_RESOURCES;
877 
878  AcpiStatus = AcpiGetCurrentResources(DeviceData->AcpiHandle, &Buffer);
879  if (!ACPI_SUCCESS(AcpiStatus))
880  {
881  DPRINT1("AcpiGetCurrentResources #2 failed (0x%x)\n", AcpiStatus);
882  ASSERT(FALSE);
883  return STATUS_UNSUCCESSFUL;
884  }
885 
886  resource= Buffer.Pointer;
887  /* Count number of resources */
888  while (resource->Type != ACPI_RESOURCE_TYPE_END_TAG)
889  {
890  switch (resource->Type)
891  {
892  case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
893  {
894  ACPI_RESOURCE_EXTENDED_IRQ *irq_data = (ACPI_RESOURCE_EXTENDED_IRQ*) &resource->Data;
895  if (irq_data->ProducerConsumer == ACPI_PRODUCER)
896  break;
897  NumberOfResources += irq_data->InterruptCount;
898  break;
899  }
900  case ACPI_RESOURCE_TYPE_IRQ:
901  {
902  ACPI_RESOURCE_IRQ *irq_data = (ACPI_RESOURCE_IRQ*) &resource->Data;
903  NumberOfResources += irq_data->InterruptCount;
904  break;
905  }
906  case ACPI_RESOURCE_TYPE_DMA:
907  {
908  ACPI_RESOURCE_DMA *dma_data = (ACPI_RESOURCE_DMA*) &resource->Data;
909  NumberOfResources += dma_data->ChannelCount;
910  break;
911  }
912  case ACPI_RESOURCE_TYPE_ADDRESS16:
913  case ACPI_RESOURCE_TYPE_ADDRESS32:
914  case ACPI_RESOURCE_TYPE_ADDRESS64:
915  case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
916  {
917  ACPI_RESOURCE_ADDRESS *addr_res = (ACPI_RESOURCE_ADDRESS*) &resource->Data;
918  if (addr_res->ProducerConsumer == ACPI_PRODUCER)
919  break;
920  NumberOfResources++;
921  break;
922  }
923  case ACPI_RESOURCE_TYPE_MEMORY24:
924  case ACPI_RESOURCE_TYPE_MEMORY32:
925  case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
926  case ACPI_RESOURCE_TYPE_FIXED_IO:
927  case ACPI_RESOURCE_TYPE_IO:
928  {
929  NumberOfResources++;
930  break;
931  }
932  default:
933  {
934  DPRINT1("Unknown resource type: %d\n", resource->Type);
935  break;
936  }
937  }
938  resource = ACPI_NEXT_RESOURCE(resource);
939  }
940 
941  /* Allocate memory */
942  ResourceListSize = sizeof(CM_RESOURCE_LIST) + sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR) * (NumberOfResources - 1);
943  ResourceList = ExAllocatePoolWithTag(PagedPool, ResourceListSize, 'RpcA');
944 
945  if (!ResourceList)
946  {
947  ExFreePoolWithTag(Buffer.Pointer, 'BpcA');
948  return STATUS_INSUFFICIENT_RESOURCES;
949  }
950  ResourceList->Count = 1;
951  ResourceList->List[0].InterfaceType = Internal; /* FIXME */
952  ResourceList->List[0].BusNumber = 0; /* We're the only ACPI bus device in the system */
953  ResourceList->List[0].PartialResourceList.Version = 1;
954  ResourceList->List[0].PartialResourceList.Revision = 1;
955  ResourceList->List[0].PartialResourceList.Count = NumberOfResources;
956  ResourceDescriptor = ResourceList->List[0].PartialResourceList.PartialDescriptors;
957 
958  /* Fill resources list structure */
959  resource = Buffer.Pointer;
960  while (resource->Type != ACPI_RESOURCE_TYPE_END_TAG)
961  {
962  switch (resource->Type)
963  {
964  case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
965  {
966  ACPI_RESOURCE_EXTENDED_IRQ *irq_data = (ACPI_RESOURCE_EXTENDED_IRQ*) &resource->Data;
967  if (irq_data->ProducerConsumer == ACPI_PRODUCER)
968  break;
969  for (i = 0; i < irq_data->InterruptCount; i++)
970  {
971  ResourceDescriptor->Type = CmResourceTypeInterrupt;
972 
973  ResourceDescriptor->ShareDisposition =
974  (irq_data->Shareable == ACPI_SHARED ? CmResourceShareShared : CmResourceShareDeviceExclusive);
975  ResourceDescriptor->Flags =
976  (irq_data->Triggering == ACPI_LEVEL_SENSITIVE ? CM_RESOURCE_INTERRUPT_LEVEL_SENSITIVE : CM_RESOURCE_INTERRUPT_LATCHED);
977  ResourceDescriptor->u.Interrupt.Level =
978  ResourceDescriptor->u.Interrupt.Vector = irq_data->Interrupts[i];
979  ResourceDescriptor->u.Interrupt.Affinity = (KAFFINITY)(-1);
980 
981  ResourceDescriptor++;
982  }
983  break;
984  }
985  case ACPI_RESOURCE_TYPE_IRQ:
986  {
987  ACPI_RESOURCE_IRQ *irq_data = (ACPI_RESOURCE_IRQ*) &resource->Data;
988  for (i = 0; i < irq_data->InterruptCount; i++)
989  {
990  ResourceDescriptor->Type = CmResourceTypeInterrupt;
991 
992  ResourceDescriptor->ShareDisposition =
993  (irq_data->Shareable == ACPI_SHARED ? CmResourceShareShared : CmResourceShareDeviceExclusive);
994  ResourceDescriptor->Flags =
995  (irq_data->Triggering == ACPI_LEVEL_SENSITIVE ? CM_RESOURCE_INTERRUPT_LEVEL_SENSITIVE : CM_RESOURCE_INTERRUPT_LATCHED);
996  ResourceDescriptor->u.Interrupt.Level =
997  ResourceDescriptor->u.Interrupt.Vector = irq_data->Interrupts[i];
998  ResourceDescriptor->u.Interrupt.Affinity = (KAFFINITY)(-1);
999 
1000  ResourceDescriptor++;
1001  }
1002  break;
1003  }
1004  case ACPI_RESOURCE_TYPE_DMA:
1005  {
1006  ACPI_RESOURCE_DMA *dma_data = (ACPI_RESOURCE_DMA*) &resource->Data;
1007  for (i = 0; i < dma_data->ChannelCount; i++)
1008  {
1009  ResourceDescriptor->Type = CmResourceTypeDma;
1010  ResourceDescriptor->Flags = 0;
1011  switch (dma_data->Type)
1012  {
1013  case ACPI_TYPE_A: ResourceDescriptor->Flags |= CM_RESOURCE_DMA_TYPE_A; break;
1014  case ACPI_TYPE_B: ResourceDescriptor->Flags |= CM_RESOURCE_DMA_TYPE_B; break;
1015  case ACPI_TYPE_F: ResourceDescriptor->Flags |= CM_RESOURCE_DMA_TYPE_F; break;
1016  }
1017  if (dma_data->BusMaster == ACPI_BUS_MASTER)
1018  ResourceDescriptor->Flags |= CM_RESOURCE_DMA_BUS_MASTER;
1019  switch (dma_data->Transfer)
1020  {
1021  case ACPI_TRANSFER_8: ResourceDescriptor->Flags |= CM_RESOURCE_DMA_8; break;
1022  case ACPI_TRANSFER_16: ResourceDescriptor->Flags |= CM_RESOURCE_DMA_16; break;
1023  case ACPI_TRANSFER_8_16: ResourceDescriptor->Flags |= CM_RESOURCE_DMA_8_AND_16; break;
1024  }
1025  ResourceDescriptor->u.Dma.Channel = dma_data->Channels[i];
1026 
1027  ResourceDescriptor++;
1028  }
1029  break;
1030  }
1031  case ACPI_RESOURCE_TYPE_IO:
1032  {
1033  ACPI_RESOURCE_IO *io_data = (ACPI_RESOURCE_IO*) &resource->Data;
1034  ResourceDescriptor->Type = CmResourceTypePort;
1035  ResourceDescriptor->ShareDisposition = CmResourceShareDriverExclusive;
1036  ResourceDescriptor->Flags = CM_RESOURCE_PORT_IO;
1037  if (io_data->IoDecode == ACPI_DECODE_16)
1038  ResourceDescriptor->Flags |= CM_RESOURCE_PORT_16_BIT_DECODE;
1039  else
1040  ResourceDescriptor->Flags |= CM_RESOURCE_PORT_10_BIT_DECODE;
1041  ResourceDescriptor->u.Port.Start.QuadPart = io_data->Minimum;
1042  ResourceDescriptor->u.Port.Length = io_data->AddressLength;
1043 
1044  ResourceDescriptor++;
1045  break;
1046  }
1047  case ACPI_RESOURCE_TYPE_FIXED_IO:
1048  {
1049  ACPI_RESOURCE_FIXED_IO *io_data = (ACPI_RESOURCE_FIXED_IO*) &resource->Data;
1050  ResourceDescriptor->Type = CmResourceTypePort;
1051  ResourceDescriptor->ShareDisposition = CmResourceShareDriverExclusive;
1052  ResourceDescriptor->Flags = CM_RESOURCE_PORT_IO;
1053  ResourceDescriptor->u.Port.Start.QuadPart = io_data->Address;
1054  ResourceDescriptor->u.Port.Length = io_data->AddressLength;
1055 
1056  ResourceDescriptor++;
1057  break;
1058  }
1059  case ACPI_RESOURCE_TYPE_ADDRESS16:
1060  {
1061  ACPI_RESOURCE_ADDRESS16 *addr16_data = (ACPI_RESOURCE_ADDRESS16*) &resource->Data;
1062  if (addr16_data->ProducerConsumer == ACPI_PRODUCER)
1063  break;
1064  if (addr16_data->ResourceType == ACPI_BUS_NUMBER_RANGE)
1065  {
1066  ResourceDescriptor->Type = CmResourceTypeBusNumber;
1067  ResourceDescriptor->ShareDisposition = CmResourceShareShared;
1068  ResourceDescriptor->Flags = 0;
1069  ResourceDescriptor->u.BusNumber.Start = addr16_data->Address.Minimum;
1070  ResourceDescriptor->u.BusNumber.Length = addr16_data->Address.AddressLength;
1071  }
1072  else if (addr16_data->ResourceType == ACPI_IO_RANGE)
1073  {
1074  ResourceDescriptor->Type = CmResourceTypePort;
1075  ResourceDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1076  ResourceDescriptor->Flags = CM_RESOURCE_PORT_IO;
1077  if (addr16_data->Decode == ACPI_POS_DECODE)
1078  ResourceDescriptor->Flags |= CM_RESOURCE_PORT_POSITIVE_DECODE;
1079  ResourceDescriptor->u.Port.Start.QuadPart = addr16_data->Address.Minimum;
1080  ResourceDescriptor->u.Port.Length = addr16_data->Address.AddressLength;
1081  }
1082  else
1083  {
1084  ResourceDescriptor->Type = CmResourceTypeMemory;
1085  ResourceDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1086  ResourceDescriptor->Flags = 0;
1087  if (addr16_data->Info.Mem.WriteProtect == ACPI_READ_ONLY_MEMORY)
1088  ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
1089  else
1090  ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
1091  switch (addr16_data->Info.Mem.Caching)
1092  {
1093  case ACPI_CACHABLE_MEMORY: ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_CACHEABLE; break;
1094  case ACPI_WRITE_COMBINING_MEMORY: ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_COMBINEDWRITE; break;
1095  case ACPI_PREFETCHABLE_MEMORY: ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_PREFETCHABLE; break;
1096  }
1097  ResourceDescriptor->u.Memory.Start.QuadPart = addr16_data->Address.Minimum;
1098  ResourceDescriptor->u.Memory.Length = addr16_data->Address.AddressLength;
1099  }
1100  ResourceDescriptor++;
1101  break;
1102  }
1103  case ACPI_RESOURCE_TYPE_ADDRESS32:
1104  {
1105  ACPI_RESOURCE_ADDRESS32 *addr32_data = (ACPI_RESOURCE_ADDRESS32*) &resource->Data;
1106  if (addr32_data->ProducerConsumer == ACPI_PRODUCER)
1107  break;
1108  if (addr32_data->ResourceType == ACPI_BUS_NUMBER_RANGE)
1109  {
1110  ResourceDescriptor->Type = CmResourceTypeBusNumber;
1111  ResourceDescriptor->ShareDisposition = CmResourceShareShared;
1112  ResourceDescriptor->Flags = 0;
1113  ResourceDescriptor->u.BusNumber.Start = addr32_data->Address.Minimum;
1114  ResourceDescriptor->u.BusNumber.Length = addr32_data->Address.AddressLength;
1115  }
1116  else if (addr32_data->ResourceType == ACPI_IO_RANGE)
1117  {
1118  ResourceDescriptor->Type = CmResourceTypePort;
1119  ResourceDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1120  ResourceDescriptor->Flags = CM_RESOURCE_PORT_IO;
1121  if (addr32_data->Decode == ACPI_POS_DECODE)
1122  ResourceDescriptor->Flags |= CM_RESOURCE_PORT_POSITIVE_DECODE;
1123  ResourceDescriptor->u.Port.Start.QuadPart = addr32_data->Address.Minimum;
1124  ResourceDescriptor->u.Port.Length = addr32_data->Address.AddressLength;
1125  }
1126  else
1127  {
1128  ResourceDescriptor->Type = CmResourceTypeMemory;
1129  ResourceDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1130  ResourceDescriptor->Flags = 0;
1131  if (addr32_data->Info.Mem.WriteProtect == ACPI_READ_ONLY_MEMORY)
1132  ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
1133  else
1134  ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
1135  switch (addr32_data->Info.Mem.Caching)
1136  {
1137  case ACPI_CACHABLE_MEMORY: ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_CACHEABLE; break;
1138  case ACPI_WRITE_COMBINING_MEMORY: ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_COMBINEDWRITE; break;
1139  case ACPI_PREFETCHABLE_MEMORY: ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_PREFETCHABLE; break;
1140  }
1141  ResourceDescriptor->u.Memory.Start.QuadPart = addr32_data->Address.Minimum;
1142  ResourceDescriptor->u.Memory.Length = addr32_data->Address.AddressLength;
1143  }
1144  ResourceDescriptor++;
1145  break;
1146  }
1147  case ACPI_RESOURCE_TYPE_ADDRESS64:
1148  {
1149  ACPI_RESOURCE_ADDRESS64 *addr64_data = (ACPI_RESOURCE_ADDRESS64*) &resource->Data;
1150  if (addr64_data->ProducerConsumer == ACPI_PRODUCER)
1151  break;
1152  if (addr64_data->ResourceType == ACPI_BUS_NUMBER_RANGE)
1153  {
1154  DPRINT1("64-bit bus address is not supported!\n");
1155  ResourceDescriptor->Type = CmResourceTypeBusNumber;
1156  ResourceDescriptor->ShareDisposition = CmResourceShareShared;
1157  ResourceDescriptor->Flags = 0;
1158  ResourceDescriptor->u.BusNumber.Start = (ULONG)addr64_data->Address.Minimum;
1159  ResourceDescriptor->u.BusNumber.Length = addr64_data->Address.AddressLength;
1160  }
1161  else if (addr64_data->ResourceType == ACPI_IO_RANGE)
1162  {
1163  ResourceDescriptor->Type = CmResourceTypePort;
1164  ResourceDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1165  ResourceDescriptor->Flags = CM_RESOURCE_PORT_IO;
1166  if (addr64_data->Decode == ACPI_POS_DECODE)
1167  ResourceDescriptor->Flags |= CM_RESOURCE_PORT_POSITIVE_DECODE;
1168  ResourceDescriptor->u.Port.Start.QuadPart = addr64_data->Address.Minimum;
1169  ResourceDescriptor->u.Port.Length = addr64_data->Address.AddressLength;
1170  }
1171  else
1172  {
1173  ResourceDescriptor->Type = CmResourceTypeMemory;
1174  ResourceDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1175  ResourceDescriptor->Flags = 0;
1176  if (addr64_data->Info.Mem.WriteProtect == ACPI_READ_ONLY_MEMORY)
1177  ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
1178  else
1179  ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
1180  switch (addr64_data->Info.Mem.Caching)
1181  {
1182  case ACPI_CACHABLE_MEMORY: ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_CACHEABLE; break;
1183  case ACPI_WRITE_COMBINING_MEMORY: ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_COMBINEDWRITE; break;
1184  case ACPI_PREFETCHABLE_MEMORY: ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_PREFETCHABLE; break;
1185  }
1186  ResourceDescriptor->u.Memory.Start.QuadPart = addr64_data->Address.Minimum;
1187  ResourceDescriptor->u.Memory.Length = addr64_data->Address.AddressLength;
1188  }
1189  ResourceDescriptor++;
1190  break;
1191  }
1192  case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
1193  {
1194  ACPI_RESOURCE_EXTENDED_ADDRESS64 *addr64_data = (ACPI_RESOURCE_EXTENDED_ADDRESS64*) &resource->Data;
1195  if (addr64_data->ProducerConsumer == ACPI_PRODUCER)
1196  break;
1197  if (addr64_data->ResourceType == ACPI_BUS_NUMBER_RANGE)
1198  {
1199  DPRINT1("64-bit bus address is not supported!\n");
1200  ResourceDescriptor->Type = CmResourceTypeBusNumber;
1201  ResourceDescriptor->ShareDisposition = CmResourceShareShared;
1202  ResourceDescriptor->Flags = 0;
1203  ResourceDescriptor->u.BusNumber.Start = (ULONG)addr64_data->Address.Minimum;
1204  ResourceDescriptor->u.BusNumber.Length = addr64_data->Address.AddressLength;
1205  }
1206  else if (addr64_data->ResourceType == ACPI_IO_RANGE)
1207  {
1208  ResourceDescriptor->Type = CmResourceTypePort;
1209  ResourceDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1210  ResourceDescriptor->Flags = CM_RESOURCE_PORT_IO;
1211  if (addr64_data->Decode == ACPI_POS_DECODE)
1212  ResourceDescriptor->Flags |= CM_RESOURCE_PORT_POSITIVE_DECODE;
1213  ResourceDescriptor->u.Port.Start.QuadPart = addr64_data->Address.Minimum;
1214  ResourceDescriptor->u.Port.Length = addr64_data->Address.AddressLength;
1215  }
1216  else
1217  {
1218  ResourceDescriptor->Type = CmResourceTypeMemory;
1219  ResourceDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1220  ResourceDescriptor->Flags = 0;
1221  if (addr64_data->Info.Mem.WriteProtect == ACPI_READ_ONLY_MEMORY)
1222  ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
1223  else
1224  ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
1225  switch (addr64_data->Info.Mem.Caching)
1226  {
1227  case ACPI_CACHABLE_MEMORY: ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_CACHEABLE; break;
1228  case ACPI_WRITE_COMBINING_MEMORY: ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_COMBINEDWRITE; break;
1229  case ACPI_PREFETCHABLE_MEMORY: ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_PREFETCHABLE; break;
1230  }
1231  ResourceDescriptor->u.Memory.Start.QuadPart = addr64_data->Address.Minimum;
1232  ResourceDescriptor->u.Memory.Length = addr64_data->Address.AddressLength;
1233  }
1234  ResourceDescriptor++;
1235  break;
1236  }
1237  case ACPI_RESOURCE_TYPE_MEMORY24:
1238  {
1239  ACPI_RESOURCE_MEMORY24 *mem24_data = (ACPI_RESOURCE_MEMORY24*) &resource->Data;
1240  ResourceDescriptor->Type = CmResourceTypeMemory;
1241  ResourceDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1242  ResourceDescriptor->Flags = CM_RESOURCE_MEMORY_24;
1243  if (mem24_data->WriteProtect == ACPI_READ_ONLY_MEMORY)
1244  ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
1245  else
1246  ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
1247  ResourceDescriptor->u.Memory.Start.QuadPart = mem24_data->Minimum;
1248  ResourceDescriptor->u.Memory.Length = mem24_data->AddressLength;
1249 
1250  ResourceDescriptor++;
1251  break;
1252  }
1253  case ACPI_RESOURCE_TYPE_MEMORY32:
1254  {
1255  ACPI_RESOURCE_MEMORY32 *mem32_data = (ACPI_RESOURCE_MEMORY32*) &resource->Data;
1256  ResourceDescriptor->Type = CmResourceTypeMemory;
1257  ResourceDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1258  ResourceDescriptor->Flags = 0;
1259  if (mem32_data->WriteProtect == ACPI_READ_ONLY_MEMORY)
1260  ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
1261  else
1262  ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
1263  ResourceDescriptor->u.Memory.Start.QuadPart = mem32_data->Minimum;
1264  ResourceDescriptor->u.Memory.Length = mem32_data->AddressLength;
1265 
1266  ResourceDescriptor++;
1267  break;
1268  }
1269  case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
1270  {
1271  ACPI_RESOURCE_FIXED_MEMORY32 *memfixed32_data = (ACPI_RESOURCE_FIXED_MEMORY32*) &resource->Data;
1272  ResourceDescriptor->Type = CmResourceTypeMemory;
1273  ResourceDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1274  ResourceDescriptor->Flags = 0;
1275  if (memfixed32_data->WriteProtect == ACPI_READ_ONLY_MEMORY)
1276  ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
1277  else
1278  ResourceDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
1279  ResourceDescriptor->u.Memory.Start.QuadPart = memfixed32_data->Address;
1280  ResourceDescriptor->u.Memory.Length = memfixed32_data->AddressLength;
1281 
1282  ResourceDescriptor++;
1283  break;
1284  }
1285  default:
1286  {
1287  break;
1288  }
1289  }
1290  resource = ACPI_NEXT_RESOURCE(resource);
1291  }
1292 
1293  ExFreePoolWithTag(Buffer.Pointer, 'BpcA');
1294  Irp->IoStatus.Information = (ULONG_PTR)ResourceList;
1295  return STATUS_SUCCESS;
1296 }
1297 
1298 NTSTATUS
1299 Bus_PDO_QueryResourceRequirements(
1300  PPDO_DEVICE_DATA DeviceData,
1301  PIRP Irp )
1302 {
1303  ULONG NumberOfResources = 0;
1304  ACPI_STATUS AcpiStatus;
1305  ACPI_BUFFER Buffer;
1306  ACPI_RESOURCE* resource;
1307  ULONG i, RequirementsListSize;
1308  PIO_RESOURCE_REQUIREMENTS_LIST RequirementsList;
1309  PIO_RESOURCE_DESCRIPTOR RequirementDescriptor;
1310  BOOLEAN CurrentRes = FALSE;
1311 
1312  PAGED_CODE ();
1313 
1314  if (!DeviceData->AcpiHandle)
1315  {
1316  return Irp->IoStatus.Status;
1317  }
1318 
1319  /* Handle the PCI root manually */
1320  if (wcsstr(DeviceData->HardwareIDs, L"PNP0A03") != 0 ||
1321  wcsstr(DeviceData->HardwareIDs, L"PNP0A08") != 0)
1322  {
1323  return Irp->IoStatus.Status;
1324  }
1325 
1326  /* Get current resources */
1327  while (TRUE)
1328  {
1329  Buffer.Length = 0;
1330  if (CurrentRes)
1331  AcpiStatus = AcpiGetCurrentResources(DeviceData->AcpiHandle, &Buffer);
1332  else
1333  AcpiStatus = AcpiGetPossibleResources(DeviceData->AcpiHandle, &Buffer);
1334  if ((!ACPI_SUCCESS(AcpiStatus) && AcpiStatus != AE_BUFFER_OVERFLOW) ||
1335  Buffer.Length == 0)
1336  {
1337  if (!CurrentRes)
1338  CurrentRes = TRUE;
1339  else
1340  return Irp->IoStatus.Status;
1341  }
1342  else
1343  break;
1344  }
1345 
1346  Buffer.Pointer = ExAllocatePoolWithTag(PagedPool, Buffer.Length, 'BpcA');
1347  if (!Buffer.Pointer)
1348  return STATUS_INSUFFICIENT_RESOURCES;
1349 
1350  if (CurrentRes)
1351  AcpiStatus = AcpiGetCurrentResources(DeviceData->AcpiHandle, &Buffer);
1352  else
1353  AcpiStatus = AcpiGetPossibleResources(DeviceData->AcpiHandle, &Buffer);
1354  if (!ACPI_SUCCESS(AcpiStatus))
1355  {
1356  DPRINT1("AcpiGetCurrentResources #2 failed (0x%x)\n", AcpiStatus);
1357  ASSERT(FALSE);
1358  return STATUS_UNSUCCESSFUL;
1359  }
1360 
1361  resource= Buffer.Pointer;
1362  /* Count number of resources */
1363  while (resource->Type != ACPI_RESOURCE_TYPE_END_TAG)
1364  {
1365  switch (resource->Type)
1366  {
1367  case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
1368  {
1369  ACPI_RESOURCE_EXTENDED_IRQ *irq_data = (ACPI_RESOURCE_EXTENDED_IRQ*) &resource->Data;
1370  if (irq_data->ProducerConsumer == ACPI_PRODUCER)
1371  break;
1372  NumberOfResources += irq_data->InterruptCount;
1373  break;
1374  }
1375  case ACPI_RESOURCE_TYPE_IRQ:
1376  {
1377  ACPI_RESOURCE_IRQ *irq_data = (ACPI_RESOURCE_IRQ*) &resource->Data;
1378  NumberOfResources += irq_data->InterruptCount;
1379  break;
1380  }
1381  case ACPI_RESOURCE_TYPE_DMA:
1382  {
1383  ACPI_RESOURCE_DMA *dma_data = (ACPI_RESOURCE_DMA*) &resource->Data;
1384  NumberOfResources += dma_data->ChannelCount;
1385  break;
1386  }
1387  case ACPI_RESOURCE_TYPE_ADDRESS16:
1388  case ACPI_RESOURCE_TYPE_ADDRESS32:
1389  case ACPI_RESOURCE_TYPE_ADDRESS64:
1390  case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
1391  {
1392  ACPI_RESOURCE_ADDRESS *res_addr = (ACPI_RESOURCE_ADDRESS*) &resource->Data;
1393  if (res_addr->ProducerConsumer == ACPI_PRODUCER)
1394  break;
1395  NumberOfResources++;
1396  break;
1397  }
1398  case ACPI_RESOURCE_TYPE_MEMORY24:
1399  case ACPI_RESOURCE_TYPE_MEMORY32:
1400  case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
1401  case ACPI_RESOURCE_TYPE_FIXED_IO:
1402  case ACPI_RESOURCE_TYPE_IO:
1403  {
1404  NumberOfResources++;
1405  break;
1406  }
1407  default:
1408  {
1409  break;
1410  }
1411  }
1412  resource = ACPI_NEXT_RESOURCE(resource);
1413  }
1414 
1415  RequirementsListSize = sizeof(IO_RESOURCE_REQUIREMENTS_LIST) + sizeof(IO_RESOURCE_DESCRIPTOR) * (NumberOfResources - 1);
1416  RequirementsList = ExAllocatePoolWithTag(PagedPool, RequirementsListSize, 'RpcA');
1417 
1418  if (!RequirementsList)
1419  {
1420  ExFreePoolWithTag(Buffer.Pointer, 'BpcA');
1421  return STATUS_INSUFFICIENT_RESOURCES;
1422  }
1423  RequirementsList->ListSize = RequirementsListSize;
1424  RequirementsList->InterfaceType = Internal;
1425  RequirementsList->BusNumber = 0;
1426  RequirementsList->SlotNumber = 0; /* Not used by WDM drivers */
1427  RequirementsList->AlternativeLists = 1;
1428  RequirementsList->List[0].Version = 1;
1429  RequirementsList->List[0].Revision = 1;
1430  RequirementsList->List[0].Count = NumberOfResources;
1431  RequirementDescriptor = RequirementsList->List[0].Descriptors;
1432 
1433  /* Fill resources list structure */
1434  resource = Buffer.Pointer;
1435  while (resource->Type != ACPI_RESOURCE_TYPE_END_TAG && resource->Type != ACPI_RESOURCE_TYPE_END_DEPENDENT)
1436  {
1437  switch (resource->Type)
1438  {
1439  case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
1440  {
1441  ACPI_RESOURCE_EXTENDED_IRQ *irq_data = (ACPI_RESOURCE_EXTENDED_IRQ*) &resource->Data;
1442  if (irq_data->ProducerConsumer == ACPI_PRODUCER)
1443  break;
1444  for (i = 0; i < irq_data->InterruptCount; i++)
1445  {
1446  RequirementDescriptor->Option = (i == 0) ? IO_RESOURCE_PREFERRED : IO_RESOURCE_ALTERNATIVE;
1447  RequirementDescriptor->Type = CmResourceTypeInterrupt;
1448  RequirementDescriptor->ShareDisposition = (irq_data->Shareable == ACPI_SHARED ? CmResourceShareShared : CmResourceShareDeviceExclusive);
1449  RequirementDescriptor->Flags =(irq_data->Triggering == ACPI_LEVEL_SENSITIVE ? CM_RESOURCE_INTERRUPT_LEVEL_SENSITIVE : CM_RESOURCE_INTERRUPT_LATCHED);
1450  RequirementDescriptor->u.Interrupt.MinimumVector =
1451  RequirementDescriptor->u.Interrupt.MaximumVector = irq_data->Interrupts[i];
1452 
1453  RequirementDescriptor++;
1454  }
1455  break;
1456  }
1457  case ACPI_RESOURCE_TYPE_IRQ:
1458  {
1459  ACPI_RESOURCE_IRQ *irq_data = (ACPI_RESOURCE_IRQ*) &resource->Data;
1460  for (i = 0; i < irq_data->InterruptCount; i++)
1461  {
1462  RequirementDescriptor->Option = (i == 0) ? IO_RESOURCE_PREFERRED : IO_RESOURCE_ALTERNATIVE;
1463  RequirementDescriptor->Type = CmResourceTypeInterrupt;
1464  RequirementDescriptor->ShareDisposition = (irq_data->Shareable == ACPI_SHARED ? CmResourceShareShared : CmResourceShareDeviceExclusive);
1465  RequirementDescriptor->Flags =(irq_data->Triggering == ACPI_LEVEL_SENSITIVE ? CM_RESOURCE_INTERRUPT_LEVEL_SENSITIVE : CM_RESOURCE_INTERRUPT_LATCHED);
1466  RequirementDescriptor->u.Interrupt.MinimumVector =
1467  RequirementDescriptor->u.Interrupt.MaximumVector = irq_data->Interrupts[i];
1468 
1469  RequirementDescriptor++;
1470  }
1471  break;
1472  }
1473  case ACPI_RESOURCE_TYPE_DMA:
1474  {
1475  ACPI_RESOURCE_DMA *dma_data = (ACPI_RESOURCE_DMA*) &resource->Data;
1476  for (i = 0; i < dma_data->ChannelCount; i++)
1477  {
1478  RequirementDescriptor->Type = CmResourceTypeDma;
1479  RequirementDescriptor->Flags = 0;
1480  switch (dma_data->Type)
1481  {
1482  case ACPI_TYPE_A: RequirementDescriptor->Flags |= CM_RESOURCE_DMA_TYPE_A; break;
1483  case ACPI_TYPE_B: RequirementDescriptor->Flags |= CM_RESOURCE_DMA_TYPE_B; break;
1484  case ACPI_TYPE_F: RequirementDescriptor->Flags |= CM_RESOURCE_DMA_TYPE_F; break;
1485  }
1486  if (dma_data->BusMaster == ACPI_BUS_MASTER)
1487  RequirementDescriptor->Flags |= CM_RESOURCE_DMA_BUS_MASTER;
1488  switch (dma_data->Transfer)
1489  {
1490  case ACPI_TRANSFER_8: RequirementDescriptor->Flags |= CM_RESOURCE_DMA_8; break;
1491  case ACPI_TRANSFER_16: RequirementDescriptor->Flags |= CM_RESOURCE_DMA_16; break;
1492  case ACPI_TRANSFER_8_16: RequirementDescriptor->Flags |= CM_RESOURCE_DMA_8_AND_16; break;
1493  }
1494 
1495  RequirementDescriptor->Option = (i == 0) ? IO_RESOURCE_PREFERRED : IO_RESOURCE_ALTERNATIVE;
1496  RequirementDescriptor->ShareDisposition = CmResourceShareDriverExclusive;
1497  RequirementDescriptor->u.Dma.MinimumChannel =
1498  RequirementDescriptor->u.Dma.MaximumChannel = dma_data->Channels[i];
1499  RequirementDescriptor++;
1500  }
1501  break;
1502  }
1503  case ACPI_RESOURCE_TYPE_IO:
1504  {
1505  ACPI_RESOURCE_IO *io_data = (ACPI_RESOURCE_IO*) &resource->Data;
1506  RequirementDescriptor->Flags = CM_RESOURCE_PORT_IO;
1507  if (io_data->IoDecode == ACPI_DECODE_16)
1508  RequirementDescriptor->Flags |= CM_RESOURCE_PORT_16_BIT_DECODE;
1509  else
1510  RequirementDescriptor->Flags |= CM_RESOURCE_PORT_10_BIT_DECODE;
1511  RequirementDescriptor->u.Port.Length = io_data->AddressLength;
1512  RequirementDescriptor->Option = CurrentRes ? 0 : IO_RESOURCE_PREFERRED;
1513  RequirementDescriptor->Type = CmResourceTypePort;
1514  RequirementDescriptor->ShareDisposition = CmResourceShareDriverExclusive;
1515  RequirementDescriptor->u.Port.Alignment = io_data->Alignment;
1516  RequirementDescriptor->u.Port.MinimumAddress.QuadPart = io_data->Minimum;
1517  RequirementDescriptor->u.Port.MaximumAddress.QuadPart = io_data->Maximum + io_data->AddressLength - 1;
1518 
1519  RequirementDescriptor++;
1520  break;
1521  }
1522  case ACPI_RESOURCE_TYPE_FIXED_IO:
1523  {
1524  ACPI_RESOURCE_FIXED_IO *io_data = (ACPI_RESOURCE_FIXED_IO*) &resource->Data;
1525  RequirementDescriptor->Flags = CM_RESOURCE_PORT_IO;
1526  RequirementDescriptor->u.Port.Length = io_data->AddressLength;
1527  RequirementDescriptor->Option = CurrentRes ? 0 : IO_RESOURCE_PREFERRED;
1528  RequirementDescriptor->Type = CmResourceTypePort;
1529  RequirementDescriptor->ShareDisposition = CmResourceShareDriverExclusive;
1530  RequirementDescriptor->u.Port.Alignment = 1;
1531  RequirementDescriptor->u.Port.MinimumAddress.QuadPart = io_data->Address;
1532  RequirementDescriptor->u.Port.MaximumAddress.QuadPart = io_data->Address + io_data->AddressLength - 1;
1533 
1534  RequirementDescriptor++;
1535  break;
1536  }
1537  case ACPI_RESOURCE_TYPE_ADDRESS16:
1538  {
1539  ACPI_RESOURCE_ADDRESS16 *addr16_data = (ACPI_RESOURCE_ADDRESS16*) &resource->Data;
1540  if (addr16_data->ProducerConsumer == ACPI_PRODUCER)
1541  break;
1542  RequirementDescriptor->Option = CurrentRes ? 0 : IO_RESOURCE_PREFERRED;
1543  if (addr16_data->ResourceType == ACPI_BUS_NUMBER_RANGE)
1544  {
1545  RequirementDescriptor->Type = CmResourceTypeBusNumber;
1546  RequirementDescriptor->ShareDisposition = CmResourceShareShared;
1547  RequirementDescriptor->Flags = 0;
1548  RequirementDescriptor->u.BusNumber.MinBusNumber = addr16_data->Address.Minimum;
1549  RequirementDescriptor->u.BusNumber.MaxBusNumber = addr16_data->Address.Maximum + addr16_data->Address.AddressLength - 1;
1550  RequirementDescriptor->u.BusNumber.Length = addr16_data->Address.AddressLength;
1551  }
1552  else if (addr16_data->ResourceType == ACPI_IO_RANGE)
1553  {
1554  RequirementDescriptor->Type = CmResourceTypePort;
1555  RequirementDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1556  RequirementDescriptor->Flags = CM_RESOURCE_PORT_IO;
1557  if (addr16_data->Decode == ACPI_POS_DECODE)
1558  RequirementDescriptor->Flags |= CM_RESOURCE_PORT_POSITIVE_DECODE;
1559  RequirementDescriptor->u.Port.MinimumAddress.QuadPart = addr16_data->Address.Minimum;
1560  RequirementDescriptor->u.Port.MaximumAddress.QuadPart = addr16_data->Address.Maximum + addr16_data->Address.AddressLength - 1;
1561  RequirementDescriptor->u.Port.Length = addr16_data->Address.AddressLength;
1562  }
1563  else
1564  {
1565  RequirementDescriptor->Type = CmResourceTypeMemory;
1566  RequirementDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1567  RequirementDescriptor->Flags = 0;
1568  if (addr16_data->Info.Mem.WriteProtect == ACPI_READ_ONLY_MEMORY)
1569  RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
1570  else
1571  RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
1572  switch (addr16_data->Info.Mem.Caching)
1573  {
1574  case ACPI_CACHABLE_MEMORY: RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_CACHEABLE; break;
1575  case ACPI_WRITE_COMBINING_MEMORY: RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_COMBINEDWRITE; break;
1576  case ACPI_PREFETCHABLE_MEMORY: RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_PREFETCHABLE; break;
1577  }
1578  RequirementDescriptor->u.Memory.MinimumAddress.QuadPart = addr16_data->Address.Minimum;
1579  RequirementDescriptor->u.Memory.MaximumAddress.QuadPart = addr16_data->Address.Maximum + addr16_data->Address.AddressLength - 1;
1580  RequirementDescriptor->u.Memory.Length = addr16_data->Address.AddressLength;
1581  }
1582  RequirementDescriptor++;
1583  break;
1584  }
1585  case ACPI_RESOURCE_TYPE_ADDRESS32:
1586  {
1587  ACPI_RESOURCE_ADDRESS32 *addr32_data = (ACPI_RESOURCE_ADDRESS32*) &resource->Data;
1588  if (addr32_data->ProducerConsumer == ACPI_PRODUCER)
1589  break;
1590  RequirementDescriptor->Option = CurrentRes ? 0 : IO_RESOURCE_PREFERRED;
1591  if (addr32_data->ResourceType == ACPI_BUS_NUMBER_RANGE)
1592  {
1593  RequirementDescriptor->Type = CmResourceTypeBusNumber;
1594  RequirementDescriptor->ShareDisposition = CmResourceShareShared;
1595  RequirementDescriptor->Flags = 0;
1596  RequirementDescriptor->u.BusNumber.MinBusNumber = addr32_data->Address.Minimum;
1597  RequirementDescriptor->u.BusNumber.MaxBusNumber = addr32_data->Address.Maximum + addr32_data->Address.AddressLength - 1;
1598  RequirementDescriptor->u.BusNumber.Length = addr32_data->Address.AddressLength;
1599  }
1600  else if (addr32_data->ResourceType == ACPI_IO_RANGE)
1601  {
1602  RequirementDescriptor->Type = CmResourceTypePort;
1603  RequirementDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1604  RequirementDescriptor->Flags = CM_RESOURCE_PORT_IO;
1605  if (addr32_data->Decode == ACPI_POS_DECODE)
1606  RequirementDescriptor->Flags |= CM_RESOURCE_PORT_POSITIVE_DECODE;
1607  RequirementDescriptor->u.Port.MinimumAddress.QuadPart = addr32_data->Address.Minimum;
1608  RequirementDescriptor->u.Port.MaximumAddress.QuadPart = addr32_data->Address.Maximum + addr32_data->Address.AddressLength - 1;
1609  RequirementDescriptor->u.Port.Length = addr32_data->Address.AddressLength;
1610  }
1611  else
1612  {
1613  RequirementDescriptor->Type = CmResourceTypeMemory;
1614  RequirementDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1615  RequirementDescriptor->Flags = 0;
1616  if (addr32_data->Info.Mem.WriteProtect == ACPI_READ_ONLY_MEMORY)
1617  RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
1618  else
1619  RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
1620  switch (addr32_data->Info.Mem.Caching)
1621  {
1622  case ACPI_CACHABLE_MEMORY: RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_CACHEABLE; break;
1623  case ACPI_WRITE_COMBINING_MEMORY: RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_COMBINEDWRITE; break;
1624  case ACPI_PREFETCHABLE_MEMORY: RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_PREFETCHABLE; break;
1625  }
1626  RequirementDescriptor->u.Memory.MinimumAddress.QuadPart = addr32_data->Address.Minimum;
1627  RequirementDescriptor->u.Memory.MaximumAddress.QuadPart = addr32_data->Address.Maximum + addr32_data->Address.AddressLength - 1;
1628  RequirementDescriptor->u.Memory.Length = addr32_data->Address.AddressLength;
1629  }
1630  RequirementDescriptor++;
1631  break;
1632  }
1633  case ACPI_RESOURCE_TYPE_ADDRESS64:
1634  {
1635  ACPI_RESOURCE_ADDRESS64 *addr64_data = (ACPI_RESOURCE_ADDRESS64*) &resource->Data;
1636  if (addr64_data->ProducerConsumer == ACPI_PRODUCER)
1637  break;
1638  RequirementDescriptor->Option = CurrentRes ? 0 : IO_RESOURCE_PREFERRED;
1639  if (addr64_data->ResourceType == ACPI_BUS_NUMBER_RANGE)
1640  {
1641  DPRINT1("64-bit bus address is not supported!\n");
1642  RequirementDescriptor->Type = CmResourceTypeBusNumber;
1643  RequirementDescriptor->ShareDisposition = CmResourceShareShared;
1644  RequirementDescriptor->Flags = 0;
1645  RequirementDescriptor->u.BusNumber.MinBusNumber = (ULONG)addr64_data->Address.Minimum;
1646  RequirementDescriptor->u.BusNumber.MaxBusNumber = (ULONG)addr64_data->Address.Maximum + addr64_data->Address.AddressLength - 1;
1647  RequirementDescriptor->u.BusNumber.Length = addr64_data->Address.AddressLength;
1648  }
1649  else if (addr64_data->ResourceType == ACPI_IO_RANGE)
1650  {
1651  RequirementDescriptor->Type = CmResourceTypePort;
1652  RequirementDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1653  RequirementDescriptor->Flags = CM_RESOURCE_PORT_IO;
1654  if (addr64_data->Decode == ACPI_POS_DECODE)
1655  RequirementDescriptor->Flags |= CM_RESOURCE_PORT_POSITIVE_DECODE;
1656  RequirementDescriptor->u.Port.MinimumAddress.QuadPart = addr64_data->Address.Minimum;
1657  RequirementDescriptor->u.Port.MaximumAddress.QuadPart = addr64_data->Address.Maximum + addr64_data->Address.AddressLength - 1;
1658  RequirementDescriptor->u.Port.Length = addr64_data->Address.AddressLength;
1659  }
1660  else
1661  {
1662  RequirementDescriptor->Type = CmResourceTypeMemory;
1663  RequirementDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1664  RequirementDescriptor->Flags = 0;
1665  if (addr64_data->Info.Mem.WriteProtect == ACPI_READ_ONLY_MEMORY)
1666  RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
1667  else
1668  RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
1669  switch (addr64_data->Info.Mem.Caching)
1670  {
1671  case ACPI_CACHABLE_MEMORY: RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_CACHEABLE; break;
1672  case ACPI_WRITE_COMBINING_MEMORY: RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_COMBINEDWRITE; break;
1673  case ACPI_PREFETCHABLE_MEMORY: RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_PREFETCHABLE; break;
1674  }
1675  RequirementDescriptor->u.Memory.MinimumAddress.QuadPart = addr64_data->Address.Minimum;
1676  RequirementDescriptor->u.Memory.MaximumAddress.QuadPart = addr64_data->Address.Maximum + addr64_data->Address.AddressLength - 1;
1677  RequirementDescriptor->u.Memory.Length = addr64_data->Address.AddressLength;
1678  }
1679  RequirementDescriptor++;
1680  break;
1681  }
1682  case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
1683  {
1684  ACPI_RESOURCE_EXTENDED_ADDRESS64 *addr64_data = (ACPI_RESOURCE_EXTENDED_ADDRESS64*) &resource->Data;
1685  if (addr64_data->ProducerConsumer == ACPI_PRODUCER)
1686  break;
1687  RequirementDescriptor->Option = CurrentRes ? 0 : IO_RESOURCE_PREFERRED;
1688  if (addr64_data->ResourceType == ACPI_BUS_NUMBER_RANGE)
1689  {
1690  DPRINT1("64-bit bus address is not supported!\n");
1691  RequirementDescriptor->Type = CmResourceTypeBusNumber;
1692  RequirementDescriptor->ShareDisposition = CmResourceShareShared;
1693  RequirementDescriptor->Flags = 0;
1694  RequirementDescriptor->u.BusNumber.MinBusNumber = (ULONG)addr64_data->Address.Minimum;
1695  RequirementDescriptor->u.BusNumber.MaxBusNumber = (ULONG)addr64_data->Address.Maximum + addr64_data->Address.AddressLength - 1;
1696  RequirementDescriptor->u.BusNumber.Length = addr64_data->Address.AddressLength;
1697  }
1698  else if (addr64_data->ResourceType == ACPI_IO_RANGE)
1699  {
1700  RequirementDescriptor->Type = CmResourceTypePort;
1701  RequirementDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1702  RequirementDescriptor->Flags = CM_RESOURCE_PORT_IO;
1703  if (addr64_data->Decode == ACPI_POS_DECODE)
1704  RequirementDescriptor->Flags |= CM_RESOURCE_PORT_POSITIVE_DECODE;
1705  RequirementDescriptor->u.Port.MinimumAddress.QuadPart = addr64_data->Address.Minimum;
1706  RequirementDescriptor->u.Port.MaximumAddress.QuadPart = addr64_data->Address.Maximum + addr64_data->Address.AddressLength - 1;
1707  RequirementDescriptor->u.Port.Length = addr64_data->Address.AddressLength;
1708  }
1709  else
1710  {
1711  RequirementDescriptor->Type = CmResourceTypeMemory;
1712  RequirementDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1713  RequirementDescriptor->Flags = 0;
1714  if (addr64_data->Info.Mem.WriteProtect == ACPI_READ_ONLY_MEMORY)
1715  RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
1716  else
1717  RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
1718  switch (addr64_data->Info.Mem.Caching)
1719  {
1720  case ACPI_CACHABLE_MEMORY: RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_CACHEABLE; break;
1721  case ACPI_WRITE_COMBINING_MEMORY: RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_COMBINEDWRITE; break;
1722  case ACPI_PREFETCHABLE_MEMORY: RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_PREFETCHABLE; break;
1723  }
1724  RequirementDescriptor->u.Memory.MinimumAddress.QuadPart = addr64_data->Address.Minimum;
1725  RequirementDescriptor->u.Memory.MaximumAddress.QuadPart = addr64_data->Address.Maximum + addr64_data->Address.AddressLength - 1;
1726  RequirementDescriptor->u.Memory.Length = addr64_data->Address.AddressLength;
1727  }
1728  RequirementDescriptor++;
1729  break;
1730  }
1731  case ACPI_RESOURCE_TYPE_MEMORY24:
1732  {
1733  ACPI_RESOURCE_MEMORY24 *mem24_data = (ACPI_RESOURCE_MEMORY24*) &resource->Data;
1734  RequirementDescriptor->Option = CurrentRes ? 0 : IO_RESOURCE_PREFERRED;
1735  RequirementDescriptor->Type = CmResourceTypeMemory;
1736  RequirementDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1737  RequirementDescriptor->Flags = CM_RESOURCE_MEMORY_24;
1738  if (mem24_data->WriteProtect == ACPI_READ_ONLY_MEMORY)
1739  RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
1740  else
1741  RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
1742  RequirementDescriptor->u.Memory.MinimumAddress.QuadPart = mem24_data->Minimum;
1743  RequirementDescriptor->u.Memory.MaximumAddress.QuadPart = mem24_data->Maximum + mem24_data->AddressLength - 1;
1744  RequirementDescriptor->u.Memory.Length = mem24_data->AddressLength;
1745 
1746  RequirementDescriptor++;
1747  break;
1748  }
1749  case ACPI_RESOURCE_TYPE_MEMORY32:
1750  {
1751  ACPI_RESOURCE_MEMORY32 *mem32_data = (ACPI_RESOURCE_MEMORY32*) &resource->Data;
1752  RequirementDescriptor->Option = CurrentRes ? 0 : IO_RESOURCE_PREFERRED;
1753  RequirementDescriptor->Type = CmResourceTypeMemory;
1754  RequirementDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1755  RequirementDescriptor->Flags = 0;
1756  if (mem32_data->WriteProtect == ACPI_READ_ONLY_MEMORY)
1757  RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
1758  else
1759  RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
1760  RequirementDescriptor->u.Memory.MinimumAddress.QuadPart = mem32_data->Minimum;
1761  RequirementDescriptor->u.Memory.MaximumAddress.QuadPart = mem32_data->Maximum + mem32_data->AddressLength - 1;
1762  RequirementDescriptor->u.Memory.Length = mem32_data->AddressLength;
1763 
1764  RequirementDescriptor++;
1765  break;
1766  }
1767  case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
1768  {
1769  ACPI_RESOURCE_FIXED_MEMORY32 *fixedmem32_data = (ACPI_RESOURCE_FIXED_MEMORY32*) &resource->Data;
1770  RequirementDescriptor->Option = CurrentRes ? 0 : IO_RESOURCE_PREFERRED;
1771  RequirementDescriptor->Type = CmResourceTypeMemory;
1772  RequirementDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
1773  RequirementDescriptor->Flags = 0;
1774  if (fixedmem32_data->WriteProtect == ACPI_READ_ONLY_MEMORY)
1775  RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
1776  else
1777  RequirementDescriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
1778  RequirementDescriptor->u.Memory.MinimumAddress.QuadPart = fixedmem32_data->Address;
1779  RequirementDescriptor->u.Memory.MaximumAddress.QuadPart = fixedmem32_data->Address + fixedmem32_data->AddressLength - 1;
1780  RequirementDescriptor->u.Memory.Length = fixedmem32_data->AddressLength;
1781 
1782  RequirementDescriptor++;
1783  break;
1784  }
1785  default:
1786  {
1787  break;
1788  }
1789  }
1790  resource = ACPI_NEXT_RESOURCE(resource);
1791  }
1792  ExFreePoolWithTag(Buffer.Pointer, 'BpcA');
1793 
1794  Irp->IoStatus.Information = (ULONG_PTR)RequirementsList;
1795 
1796  return STATUS_SUCCESS;
1797 }
1798 
1799 NTSTATUS
1800 Bus_PDO_QueryDeviceRelations(
1801  PPDO_DEVICE_DATA DeviceData,
1802  PIRP Irp )
1803 /*++
1804 
1805 Routine Description:
1806 
1807  The PnP Manager sends this IRP to gather information about
1808  devices with a relationship to the specified device.
1809  Bus drivers must handle this request for TargetDeviceRelation
1810  for their child devices (child PDOs).
1811 
1812  If a driver returns relations in response to this IRP,
1813  it allocates a DEVICE_RELATIONS structure from paged
1814  memory containing a count and the appropriate number of
1815  device object pointers. The PnP Manager frees the structure
1816  when it is no longer needed. If a driver replaces a
1817  DEVICE_RELATIONS structure allocated by another driver,
1818  it must free the previous structure.
1819 
1820  A driver must reference the PDO of any device that it
1821  reports in this IRP (ObReferenceObject). The PnP Manager
1822  removes the reference when appropriate.
1823 
1824 Arguments:
1825 
1826  DeviceData - Pointer to the PDO's device extension.
1827  Irp - Pointer to the irp.
1828 
1829 Return Value:
1830 
1831  NT STATUS
1832 
1833 --*/
1834 {
1835 
1836  PIO_STACK_LOCATION stack;
1837  PDEVICE_RELATIONS deviceRelations;
1838  NTSTATUS status;
1839 
1840  PAGED_CODE ();
1841 
1842  stack = IoGetCurrentIrpStackLocation (Irp);
1843 
1844  switch (stack->Parameters.QueryDeviceRelations.Type) {
1845 
1846  case TargetDeviceRelation:
1847 
1848  deviceRelations = (PDEVICE_RELATIONS) Irp->IoStatus.Information;
1849  if (deviceRelations) {
1850  //
1851  // Only PDO can handle this request. Somebody above
1852  // is not playing by rule.
1853  //
1854  ASSERTMSG("Someone above is handling TargetDeviceRelation\n", !deviceRelations);
1855  }
1856 
1857  deviceRelations = ExAllocatePoolWithTag(PagedPool,
1858  sizeof(DEVICE_RELATIONS),
1859  'IpcA');
1860  if (!deviceRelations) {
1861  status = STATUS_INSUFFICIENT_RESOURCES;
1862  break;
1863  }
1864 
1865  //
1866  // There is only one PDO pointer in the structure
1867  // for this relation type. The PnP Manager removes
1868  // the reference to the PDO when the driver or application
1869  // un-registers for notification on the device.
1870  //
1871 
1872  deviceRelations->Count = 1;
1873  deviceRelations->Objects[0] = DeviceData->Common.Self;
1874  ObReferenceObject(DeviceData->Common.Self);
1875 
1876  status = STATUS_SUCCESS;
1877  Irp->IoStatus.Information = (ULONG_PTR) deviceRelations;
1878  break;
1879 
1880  case BusRelations: // Not handled by PDO
1881  case EjectionRelations: // optional for PDO
1882  case RemovalRelations: // // optional for PDO
1883  default:
1884  status = Irp->IoStatus.Status;
1885  }
1886 
1887  return status;
1888 }
1889 
1890 NTSTATUS
1891 Bus_PDO_QueryBusInformation(
1892  PPDO_DEVICE_DATA DeviceData,
1893  PIRP Irp )
1894 /*++
1895 
1896 Routine Description:
1897 
1898  The PnP Manager uses this IRP to request the type and
1899  instance number of a device's parent bus. Bus drivers
1900  should handle this request for their child devices (PDOs).
1901 
1902 Arguments:
1903 
1904  DeviceData - Pointer to the PDO's device extension.
1905  Irp - Pointer to the irp.
1906 
1907 Return Value:
1908 
1909  NT STATUS
1910 
1911 --*/
1912 {
1913 
1914  PPNP_BUS_INFORMATION busInfo;
1915 
1916  PAGED_CODE ();
1917 
1918  busInfo = ExAllocatePoolWithTag(PagedPool,
1919  sizeof(PNP_BUS_INFORMATION),
1920  'IpcA');
1921 
1922  if (busInfo == NULL) {
1923  return STATUS_INSUFFICIENT_RESOURCES;
1924  }
1925 
1926  busInfo->BusTypeGuid = GUID_ACPI_INTERFACE_STANDARD;
1927 
1928  busInfo->LegacyBusType = InternalPowerBus;
1929 
1930  busInfo->BusNumber = 0; //fixme
1931 
1932  Irp->IoStatus.Information = (ULONG_PTR)busInfo;
1933 
1934  return STATUS_SUCCESS;
1935 }
1936 
1937 
1938 NTSTATUS
1939 Bus_GetDeviceCapabilities(
1940  PDEVICE_OBJECT DeviceObject,
1941  PDEVICE_CAPABILITIES DeviceCapabilities
1942  )
1943 {
1944  IO_STATUS_BLOCK ioStatus;
1945  KEVENT pnpEvent;
1946  NTSTATUS status;
1947  PDEVICE_OBJECT targetObject;
1948  PIO_STACK_LOCATION irpStack;
1949  PIRP pnpIrp;
1950 
1951  PAGED_CODE();
1952 
1953  //
1954  // Initialize the capabilities that we will send down
1955  //
1956  RtlZeroMemory( DeviceCapabilities, sizeof(DEVICE_CAPABILITIES) );
1957  DeviceCapabilities->Size = sizeof(DEVICE_CAPABILITIES);
1958  DeviceCapabilities->Version = 1;
1959  DeviceCapabilities->Address = -1;
1960  DeviceCapabilities->UINumber = -1;
1961 
1962  //
1963  // Initialize the event
1964  //
1965  KeInitializeEvent( &pnpEvent, NotificationEvent, FALSE );
1966 
1967  targetObject = IoGetAttachedDeviceReference( DeviceObject );
1968 
1969  //
1970  // Build an Irp
1971  //
1972  pnpIrp = IoBuildSynchronousFsdRequest(
1973  IRP_MJ_PNP,
1974  targetObject,
1975  NULL,
1976  0,
1977  NULL,
1978  &pnpEvent,
1979  &ioStatus
1980  );
1981  if (pnpIrp == NULL) {
1982 
1983  status = STATUS_INSUFFICIENT_RESOURCES;
1984  goto GetDeviceCapabilitiesExit;
1985 
1986  }
1987 
1988  //
1989  // Pnp Irps all begin life as STATUS_NOT_SUPPORTED;
1990  //
1991  pnpIrp->IoStatus.Status = STATUS_NOT_SUPPORTED;
1992 
1993  //
1994  // Get the top of stack
1995  //
1996  irpStack = IoGetNextIrpStackLocation( pnpIrp );
1997 
1998  //
1999  // Set the top of stack
2000  //
2001  RtlZeroMemory( irpStack, sizeof(IO_STACK_LOCATION ) );
2002  irpStack->MajorFunction = IRP_MJ_PNP;
2003  irpStack->MinorFunction = IRP_MN_QUERY_CAPABILITIES;
2004  irpStack->Parameters.DeviceCapabilities.Capabilities = DeviceCapabilities;
2005 
2006  //
2007  // Call the driver
2008  //
2009  status = IoCallDriver( targetObject, pnpIrp );
2010  if (status == STATUS_PENDING) {
2011 
2012  //
2013  // Block until the irp comes back.
2014  // Important thing to note here is when you allocate
2015  // the memory for an event in the stack you must do a
2016  // KernelMode wait instead of UserMode to prevent
2017  // the stack from getting paged out.
2018  //
2019 
2020  KeWaitForSingleObject(
2021  &pnpEvent,
2022  Executive,
2023  KernelMode,
2024  FALSE,
2025  NULL
2026  );
2027  status = ioStatus.Status;
2028 
2029  }
2030 
2031 GetDeviceCapabilitiesExit:
2032  //
2033  // Done with reference
2034  //
2035  ObDereferenceObject( targetObject );
2036 
2037  //
2038  // Done
2039  //
2040  return status;
2041 
2042 }
2043 
2044 
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