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[USBCCGP]

Browse source 
- Formatting, no code changes

svn path=/trunk/; revision=55847
This commit is contained in:
Johannes Anderwald 2012-02-25 00:35:40 +00:00
parent e188a743cb
commit 494fa29ffa
5 changed files with 221 additions and 427 deletions
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431
reactos/drivers/usb/usbccgp/fdo.c
View file

@ -18,14 +18,10 @@ FDO_QueryCapabilitiesCompletionRoutine(
IN PIRP Irp,
IN PVOID Context)
{
//
// set event
//
/* Set event */
KeSetEvent((PRKEVENT)Context, 0, FALSE);
//
// completion is done in the HidClassFDO_QueryCapabilities routine
//
/* Completion is done in the HidClassFDO_QueryCapabilities routine */
return STATUS_MORE_PROCESSING_REQUIRED;
}
@ -40,85 +36,62 @@ FDO_QueryCapabilities(
PIO_STACK_LOCATION IoStack;
PFDO_DEVICE_EXTENSION FDODeviceExtension;
//
// get device extension
//
/* Get device extension */
FDODeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
ASSERT(FDODeviceExtension->Common.IsFDO);
//
// init event
//
/* Init event */
KeInitializeEvent(&Event, NotificationEvent, FALSE);
//
// now allocte the irp
//
/* Now allocte the irp */
Irp = IoAllocateIrp(DeviceObject->StackSize, FALSE);
if (!Irp)
{
//
// no memory
//
/* No memory */
return STATUS_INSUFFICIENT_RESOURCES;
}
//
// get next stack location
//
/* Get next stack location */
IoStack = IoGetNextIrpStackLocation(Irp);
//
// init stack location
//
/* Init stack location */
IoStack->MajorFunction = IRP_MJ_PNP;
IoStack->MinorFunction = IRP_MN_QUERY_CAPABILITIES;
IoStack->Parameters.DeviceCapabilities.Capabilities = Capabilities;
//
// set completion routine
//
IoSetCompletionRoutine(Irp, FDO_QueryCapabilitiesCompletionRoutine, (PVOID)&Event, TRUE, TRUE, TRUE);
/* Set completion routine */
IoSetCompletionRoutine(Irp,
FDO_QueryCapabilitiesCompletionRoutine,
(PVOID)&Event,
TRUE,
TRUE,
TRUE);
//
// init capabilities
//
/* Init capabilities */
RtlZeroMemory(Capabilities, sizeof(DEVICE_CAPABILITIES));
Capabilities->Size = sizeof(DEVICE_CAPABILITIES);
Capabilities->Version = 1; // FIXME hardcoded constant
Capabilities->Address = MAXULONG;
Capabilities->UINumber = MAXULONG;
//
// pnp irps have default completion code
//
/* Pnp irps have default completion code */
Irp->IoStatus.Status = STATUS_NOT_SUPPORTED;
//
// call lower device
//
/* Call lower device */
Status = IoCallDriver(FDODeviceExtension->NextDeviceObject, Irp);
if (Status == STATUS_PENDING)
{
//
// wait for completion
//
/* Wait for completion */
KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, NULL);
}
//
// get status
//
/* Get status */
Status = Irp->IoStatus.Status;
//
// complete request
//
/* Complete request */
IoFreeIrp(Irp);
//
// done
//
/* Done */
return Status;
}
@ -133,85 +106,58 @@ FDO_DeviceRelations(
PIO_STACK_LOCATION IoStack;
PFDO_DEVICE_EXTENSION FDODeviceExtension;
//
// get device extension
//
/* Get device extension */
FDODeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
//
// get current irp stack location
//
/* Get current irp stack location */
IoStack = IoGetCurrentIrpStackLocation(Irp);
//
// check if relation type is BusRelations
//
/* Check if relation type is BusRelations */
if (IoStack->Parameters.QueryDeviceRelations.Type != BusRelations)
{
//
// FDO always only handles bus relations
//
/* FDO always only handles bus relations */
return USBCCGP_SyncForwardIrp(FDODeviceExtension->NextDeviceObject, Irp);
}
//
// go through array and count device objects
//
/* Go through array and count device objects */
for(Index = 0; Index < FDODeviceExtension->FunctionDescriptorCount; Index++)
{
if (FDODeviceExtension->ChildPDO[Index])
{
//
// child pdo
//
/* Child pdo */
DeviceCount++;
}
}
//
// allocate device relations
//
DeviceRelations = (PDEVICE_RELATIONS)AllocateItem(PagedPool, sizeof(DEVICE_RELATIONS) + (DeviceCount > 1 ? (DeviceCount-1) * sizeof(PDEVICE_OBJECT) : 0));
/* Allocate device relations */
DeviceRelations = (PDEVICE_RELATIONS)AllocateItem(PagedPool,
sizeof(DEVICE_RELATIONS) + (DeviceCount > 1 ? (DeviceCount-1) * sizeof(PDEVICE_OBJECT) : 0));
if (!DeviceRelations)
{
//
// no memory
//
/* No memory */
return STATUS_INSUFFICIENT_RESOURCES;
}
//
// add device objects
//
/* Add device objects */
for(Index = 0; Index < FDODeviceExtension->FunctionDescriptorCount; Index++)
{
if (FDODeviceExtension->ChildPDO[Index])
{
//
// store child pdo
//
/* Store child pdo */
DeviceRelations->Objects[DeviceRelations->Count] = FDODeviceExtension->ChildPDO[Index];
//
// add reference
//
/* Add reference */
ObReferenceObject(FDODeviceExtension->ChildPDO[Index]);
//
// increment count
//
/* Increment count */
DeviceRelations->Count++;
}
}
//
// store result
//
/* Store result */
Irp->IoStatus.Information = (ULONG_PTR)DeviceRelations;
//
// request completed successfully
//
/* Request completed successfully */
return STATUS_SUCCESS;
}
@ -225,56 +171,45 @@ FDO_CreateChildPdo(
PFDO_DEVICE_EXTENSION FDODeviceExtension;
ULONG Index;
//
// get device extension
//
/* Get device extension */
FDODeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
ASSERT(FDODeviceExtension->Common.IsFDO);
//
// lets create array for the child PDO
//
FDODeviceExtension->ChildPDO = AllocateItem(NonPagedPool, sizeof(PDEVICE_OBJECT) * FDODeviceExtension->FunctionDescriptorCount);
/* Lets create array for the child PDO */
FDODeviceExtension->ChildPDO = AllocateItem(NonPagedPool,
sizeof(PDEVICE_OBJECT) * FDODeviceExtension->FunctionDescriptorCount);
if (!FDODeviceExtension->ChildPDO)
{
//
// no memory
//
/* No memory */
return STATUS_INSUFFICIENT_RESOURCES;
}
//
// create pdo for each function
//
/* Create pdo for each function */
for(Index = 0; Index < FDODeviceExtension->FunctionDescriptorCount; Index++)
{
//
// create the PDO
//
Status = IoCreateDevice(FDODeviceExtension->DriverObject, sizeof(PDO_DEVICE_EXTENSION), NULL, FILE_DEVICE_USB, FILE_AUTOGENERATED_DEVICE_NAME, FALSE, &PDODeviceObject);
/* Create the PDO */
Status = IoCreateDevice(FDODeviceExtension->DriverObject,
sizeof(PDO_DEVICE_EXTENSION),
NULL,
FILE_DEVICE_USB,
FILE_AUTOGENERATED_DEVICE_NAME,
FALSE,
&PDODeviceObject);
if (!NT_SUCCESS(Status))
{
//
// failed to create device object
//
/* Failed to create device object */
DPRINT1("IoCreateDevice failed with %x\n", Status);
return Status;
}
//
// store in array
//
/* Store in array */
FDODeviceExtension->ChildPDO[Index] = PDODeviceObject;
//
// get device extension
//
/* Get device extension */
PDODeviceExtension = (PPDO_DEVICE_EXTENSION)PDODeviceObject->DeviceExtension;
RtlZeroMemory(PDODeviceExtension, sizeof(PDO_DEVICE_EXTENSION));
//
// init device extension
//
/* Init device extension */
PDODeviceExtension->Common.IsFDO = FALSE;
PDODeviceExtension->FunctionDescriptor = &FDODeviceExtension->FunctionDescriptor[Index];
PDODeviceExtension->NextDeviceObject = DeviceObject;
@ -287,25 +222,17 @@ FDO_CreateChildPdo(
RtlCopyMemory(&PDODeviceExtension->Capabilities, &FDODeviceExtension->Capabilities, sizeof(DEVICE_CAPABILITIES));
RtlCopyMemory(&PDODeviceExtension->DeviceDescriptor, &FDODeviceExtension->DeviceDescriptor, sizeof(USB_DEVICE_DESCRIPTOR));
//
// patch the stack size
//
/* Patch the stack size */
PDODeviceObject->StackSize = DeviceObject->StackSize + 1;
//
// set device flags
//
/* Set device flags */
PDODeviceObject->Flags |= DO_DIRECT_IO | DO_MAP_IO_BUFFER;
//
// device is initialized
//
/* Device is initialized */
PDODeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
}
//
// done
//
/* Done */
return STATUS_SUCCESS;
}
@ -317,93 +244,81 @@ FDO_StartDevice(
NTSTATUS Status;
PFDO_DEVICE_EXTENSION FDODeviceExtension;
//
// get device extension
//
/* Get device extension */
FDODeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
ASSERT(FDODeviceExtension->Common.IsFDO);
//
// first start lower device
//
/* First start lower device */
Status = USBCCGP_SyncForwardIrp(FDODeviceExtension->NextDeviceObject, Irp);
if (!NT_SUCCESS(Status))
{
//
// failed to start lower device
//
/* Failed to start lower device */
DPRINT1("FDO_StartDevice lower device failed to start with %x\n", Status);
return Status;
}
// get descriptors
/* Get descriptors */
Status = USBCCGP_GetDescriptors(DeviceObject);
if (!NT_SUCCESS(Status))
{
// failed to start lower device
/* Failed to start lower device */
DPRINT1("FDO_StartDevice failed to get descriptors with %x\n", Status);
return Status;
}
// get capabilities
Status = FDO_QueryCapabilities(DeviceObject, &FDODeviceExtension->Capabilities);
/* Get capabilities */
Status = FDO_QueryCapabilities(DeviceObject,
&FDODeviceExtension->Capabilities);
if (!NT_SUCCESS(Status))
{
// failed to start lower device
/* Failed to start lower device */
DPRINT1("FDO_StartDevice failed to get capabilities with %x\n", Status);
return Status;
}
// now select the configuration
/* Now select the configuration */
Status = USBCCGP_SelectConfiguration(DeviceObject, FDODeviceExtension);
if (!NT_SUCCESS(Status))
{
// failed to select interface
/* Failed to select interface */
DPRINT1("FDO_StartDevice failed to get capabilities with %x\n", Status);
return Status;
}
// query bus interface
USBCCGP_QueryInterface(FDODeviceExtension->NextDeviceObject, &FDODeviceExtension->BusInterface);
/* Query bus interface */
USBCCGP_QueryInterface(FDODeviceExtension->NextDeviceObject,
&FDODeviceExtension->BusInterface);
// now enumerate the functions
/* Now enumerate the functions */
Status = USBCCGP_EnumerateFunctions(DeviceObject);
if (!NT_SUCCESS(Status))
{
// failed to enumerate functions
/* Failed to enumerate functions */
DPRINT1("Failed to enumerate functions with %x\n", Status);
return Status;
}
//
// sanity checks
//
/* Sanity checks */
ASSERT(FDODeviceExtension->FunctionDescriptorCount);
ASSERT(FDODeviceExtension->FunctionDescriptor);
DumpFunctionDescriptor(FDODeviceExtension->FunctionDescriptor, FDODeviceExtension->FunctionDescriptorCount);
DumpFunctionDescriptor(FDODeviceExtension->FunctionDescriptor,
FDODeviceExtension->FunctionDescriptorCount);
//
// now create the pdo
//
/* Now create the pdo */
Status = FDO_CreateChildPdo(DeviceObject);
if (!NT_SUCCESS(Status))
{
//
// failed
//
/* Failed */
DPRINT1("FDO_CreateChildPdo failed with %x\n", Status);
return Status;
}
//
// inform pnp manager of new device objects
//
IoInvalidateDeviceRelations(FDODeviceExtension->PhysicalDeviceObject, BusRelations);
/* Inform pnp manager of new device objects */
IoInvalidateDeviceRelations(FDODeviceExtension->PhysicalDeviceObject,
BusRelations);
//
// done
//
/* Done */
DPRINT("[USBCCGP] FDO initialized successfully\n");
return Status;
}
@ -416,36 +331,27 @@ FDO_CloseConfiguration(
PURB Urb;
PFDO_DEVICE_EXTENSION FDODeviceExtension;
// get device extension
/* Get device extension */
FDODeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
ASSERT(FDODeviceExtension->Common.IsFDO);
//
// now allocate the urb
//
Urb = USBD_CreateConfigurationRequestEx(FDODeviceExtension->ConfigurationDescriptor, FDODeviceExtension->InterfaceList);
/* Now allocate the urb */
Urb = USBD_CreateConfigurationRequestEx(FDODeviceExtension->ConfigurationDescriptor,
FDODeviceExtension->InterfaceList);
if (!Urb)
{
//
// no memory
//
/* No memory */
return STATUS_INSUFFICIENT_RESOURCES;
}
//
// clear configuration descriptor to make it an unconfigure request
//
/* Clear configuration descriptor to make it an unconfigure request */
Urb->UrbSelectConfiguration.ConfigurationDescriptor = NULL;
//
// submit urb
//
/* Submit urb */
Status = USBCCGP_SyncUrbRequest(FDODeviceExtension->NextDeviceObject, Urb);
if (!NT_SUCCESS(Status))
{
//
// failed to set configuration
//
/* Failed to set configuration */
DPRINT1("USBCCGP_SyncUrbRequest failed to unconfigure device\n", Status);
}
@ -463,72 +369,59 @@ FDO_HandlePnp(
NTSTATUS Status;
PFDO_DEVICE_EXTENSION FDODeviceExtension;
// get device extension
/* Get device extension */
FDODeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
ASSERT(FDODeviceExtension->Common.IsFDO);
// get stack location
/* Get stack location */
IoStack = IoGetCurrentIrpStackLocation(Irp);
DPRINT("[USBCCGP] PnP Minor %x\n", IoStack->MinorFunction);
switch(IoStack->MinorFunction)
{
case IRP_MN_REMOVE_DEVICE:
{
//
// unconfigure device
//
// Unconfigure device */
DPRINT1("[USBCCGP] FDO IRP_MN_REMOVE\n");
FDO_CloseConfiguration(DeviceObject);
/* Send the IRP down the stack */
Status = USBCCGP_SyncForwardIrp(FDODeviceExtension->NextDeviceObject, Irp);
Status = USBCCGP_SyncForwardIrp(FDODeviceExtension->NextDeviceObject,
Irp);
if (NT_SUCCESS(Status))
{
//
// Detach from the device stack
//
/* Detach from the device stack */
IoDetachDevice(FDODeviceExtension->NextDeviceObject);
//
// Delete the device object
//
/* Delete the device object */
IoDeleteDevice(DeviceObject);
}
//
// request completed
//
/* Request completed */
break;
}
case IRP_MN_START_DEVICE:
{
//
// start the device
//
/* Start the device */
Status = FDO_StartDevice(DeviceObject, Irp);
break;
}
case IRP_MN_QUERY_DEVICE_RELATIONS:
{
//
// handle device relations
//
/* Handle device relations */
Status = FDO_DeviceRelations(DeviceObject, Irp);
break;
}
case IRP_MN_QUERY_CAPABILITIES:
{
//
// copy capabilities
//
RtlCopyMemory(IoStack->Parameters.DeviceCapabilities.Capabilities, &FDODeviceExtension->Capabilities, sizeof(DEVICE_CAPABILITIES));
/* Copy capabilities */
RtlCopyMemory(IoStack->Parameters.DeviceCapabilities.Capabilities,
&FDODeviceExtension->Capabilities,
sizeof(DEVICE_CAPABILITIES));
Status = USBCCGP_SyncForwardIrp(FDODeviceExtension->NextDeviceObject, Irp);
if (NT_SUCCESS(Status))
{
//
// surprise removal ok
//
/* Surprise removal ok */
IoStack->Parameters.DeviceCapabilities.Capabilities->SurpriseRemovalOK = TRUE;
}
break;
@ -536,31 +429,23 @@ FDO_HandlePnp(
case IRP_MN_QUERY_REMOVE_DEVICE:
case IRP_MN_QUERY_STOP_DEVICE:
{
//
// sure
//
/* Sure */
Irp->IoStatus.Status = STATUS_SUCCESS;
//
// forward irp to next device object
//
/* Forward irp to next device object */
IoSkipCurrentIrpStackLocation(Irp);
return IoCallDriver(FDODeviceExtension->NextDeviceObject, Irp);
}
default:
{
//
// forward irp to next device object
//
/* Forward irp to next device object */
IoSkipCurrentIrpStackLocation(Irp);
return IoCallDriver(FDODeviceExtension->NextDeviceObject, Irp);
}
}
//
// complete request
//
/* Complete request */
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
@ -580,86 +465,60 @@ FDO_HandleResetCyclePort(
PIRP ListIrp;
KIRQL OldLevel;
//
// get device extension
//
/* Get device extension */
FDODeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
ASSERT(FDODeviceExtension->Common.IsFDO);
// get stack location
/* Get stack location */
IoStack = IoGetCurrentIrpStackLocation(Irp);
DPRINT("FDO_HandleResetCyclePort IOCTL %x\n", IoStack->Parameters.DeviceIoControl.IoControlCode);
if (IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_INTERNAL_USB_RESET_PORT)
{
//
// use reset port list
//
/* Use reset port list */
ListHead = &FDODeviceExtension->ResetPortListHead;
ResetActive = &FDODeviceExtension->ResetPortActive;
}
else
{
//
// use cycle port list
//
/* Use cycle port list */
ListHead = &FDODeviceExtension->CyclePortListHead;
ResetActive = &FDODeviceExtension->CyclePortActive;
}
//
// acquire lock
//
/* Acquire lock */
KeAcquireSpinLock(&FDODeviceExtension->Lock, &OldLevel);
if (*ResetActive)
{
//
// insert into pending list
//
/* Insert into pending list */
InsertTailList(ListHead, &Irp->Tail.Overlay.ListEntry);
//
// mark irp pending
//
/* Mark irp pending */
IoMarkIrpPending(Irp);
Status = STATUS_PENDING;
//
// release lock
//
/* Release lock */
KeReleaseSpinLock(&FDODeviceExtension->Lock, OldLevel);
}
else
{
//
// mark reset active
//
/* Mark reset active */
*ResetActive = TRUE;
//
// release lock
//
/* Release lock */
KeReleaseSpinLock(&FDODeviceExtension->Lock, OldLevel);
//
// forward request synchronized
//
/* Forward request synchronized */
USBCCGP_SyncForwardIrp(FDODeviceExtension->NextDeviceObject, Irp);
//
// reacquire lock
//
/* Reacquire lock */
KeAcquireSpinLock(&FDODeviceExtension->Lock, &OldLevel);
//
// mark reset as completed
//
/* Mark reset as completed */
*ResetActive = FALSE;
//
// move all requests into temporary list
//
/* Move all requests into temporary list */
InitializeListHead(&TempList);
while(!IsListEmpty(ListHead))
{
@ -667,29 +526,21 @@ FDO_HandleResetCyclePort(
InsertTailList(&TempList, Entry);
}
//
// release lock
//
/* Release lock */
KeReleaseSpinLock(&FDODeviceExtension->Lock, OldLevel);
//
// complete pending irps
//
/* Complete pending irps */
while(!IsListEmpty(&TempList))
{
Entry = RemoveHeadList(&TempList);
ListIrp = (PIRP)CONTAINING_RECORD(Entry, IRP, Tail.Overlay.ListEntry);
//
// complete request with status success
//
/* Complete request with status success */
Irp->IoStatus.Status = STATUS_SUCCESS;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
}
//
// status success
//
/* Status success */
Status = STATUS_SUCCESS;
}
@ -707,37 +558,29 @@ FDO_HandleInternalDeviceControl(
NTSTATUS Status;
PFDO_DEVICE_EXTENSION FDODeviceExtension;
//
// get device extension
//
/* Get device extension */
FDODeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
ASSERT(FDODeviceExtension->Common.IsFDO);
// get stack location
/* Get stack location */
IoStack = IoGetCurrentIrpStackLocation(Irp);
if (IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_INTERNAL_USB_RESET_PORT ||
IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_INTERNAL_USB_CYCLE_PORT)
{
//
// handle reset / cycle ports
//
/* Handle reset / cycle ports */
Status = FDO_HandleResetCyclePort(DeviceObject, Irp);
DPRINT("FDO_HandleResetCyclePort Status %x\n", Status);
if (Status != STATUS_PENDING)
{
//
// complete request
//
/* Complete request */
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
}
return Status;
}
//
// forward and forget request
//
/* Forward and forget request */
IoSkipCurrentIrpStackLocation(Irp);
return IoCallDriver(FDODeviceExtension->NextDeviceObject, Irp);
}
@ -750,7 +593,7 @@ FDO_Dispatch(
PIO_STACK_LOCATION IoStack;
NTSTATUS Status;
/* get stack location */
/* Get stack location */
IoStack = IoGetCurrentIrpStackLocation(Irp);
switch(IoStack->MajorFunction)
@ -768,5 +611,3 @@ FDO_Dispatch(
}
}

32
reactos/drivers/usb/usbccgp/function.c
View file

@ -22,26 +22,18 @@ USBCCGP_QueryInterface(
IO_STATUS_BLOCK IoStatus;
PIO_STACK_LOCATION Stack;
//
// sanity checks
//
/* Sanity checks */
ASSERT(DeviceObject);
//
// initialize event
//
/* Initialize event */
KeInitializeEvent(&Event, NotificationEvent, FALSE);
//
// init interface
//
/* Init interface */
RtlZeroMemory(BusInterface, sizeof(USBC_DEVICE_CONFIGURATION_INTERFACE_V1));
BusInterface->Version = USBC_DEVICE_CONFIGURATION_INTERFACE_VERSION_1;
BusInterface->Size = sizeof(USBC_DEVICE_CONFIGURATION_INTERFACE_V1);
//
// create irp
//
/* Create irp */
Irp = IoBuildSynchronousFsdRequest(IRP_MJ_PNP,
DeviceObject,
NULL,
@ -366,10 +358,10 @@ USBCCGP_InitFunctionDescriptor(
// get interface description
//
Status = USBCCGP_GetStringDescriptor(FDODeviceExtension->NextDeviceObject,
100 * sizeof(WCHAR),
Descriptor->iFunction,
0x0409, //FIXME
(PVOID*)&DescriptionBuffer);
100 * sizeof(WCHAR),
Descriptor->iFunction,
0x0409, //FIXME
(PVOID*)&DescriptionBuffer);
if (!NT_SUCCESS(Status))
{
//
@ -530,10 +522,10 @@ USBCCG_InitIdsWithInterfaceDescriptor(
// get interface description
//
Status = USBCCGP_GetStringDescriptor(FDODeviceExtension->NextDeviceObject,
100 * sizeof(WCHAR),
Descriptor->iInterface,
0x0409, //FIXME
(PVOID*)&DescriptionBuffer);
100 * sizeof(WCHAR),
Descriptor->iInterface,
0x0409, //FIXME
(PVOID*)&DescriptionBuffer);
if (!NT_SUCCESS(Status))
{
//

116
reactos/drivers/usb/usbccgp/misc.c
View file

@ -11,9 +11,7 @@
#include "usbccgp.h"
//
// driver verifier
//
/* Driver verifier */
IO_COMPLETION_ROUTINE SyncForwardIrpCompletionRoutine;
NTSTATUS
@ -39,46 +37,34 @@ USBCCGP_SyncForwardIrp(
KEVENT Event;
NTSTATUS Status;
//
// initialize event
//
/* Initialize event */
KeInitializeEvent(&Event, NotificationEvent, FALSE);
//
// copy irp stack location
//
/* Copy irp stack location */
IoCopyCurrentIrpStackLocationToNext(Irp);
//
// set completion routine
//
IoSetCompletionRoutine(Irp, USBSTOR_SyncForwardIrpCompletionRoutine, &Event, TRUE, TRUE, TRUE);
/* Set completion routine */
IoSetCompletionRoutine(Irp,
USBSTOR_SyncForwardIrpCompletionRoutine,
&Event,
TRUE,
TRUE,
TRUE);
//
// call driver
//
/* Call driver */
Status = IoCallDriver(DeviceObject, Irp);
//
// check if pending
//
/* Check if pending */
if (Status == STATUS_PENDING)
{
//
// wait for the request to finish
//
/* Wait for the request to finish */
KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, NULL);
//
// copy status code
//
/* Copy status code */
Status = Irp->IoStatus.Status;
}
//
// done
//
/* Done */
return Status;
}
@ -92,72 +78,52 @@ USBCCGP_SyncUrbRequest(
KEVENT Event;
NTSTATUS Status;
//
// allocate irp
//
/* Allocate irp */
Irp = IoAllocateIrp(DeviceObject->StackSize, FALSE);
if (!Irp)
{
//
// no memory
//
/* No memory */
return STATUS_INSUFFICIENT_RESOURCES;
}
//
// initialize event
//
/* Initialize event */
KeInitializeEvent(&Event, NotificationEvent, FALSE);
//
// get next stack location
//
/* Get next stack location */
IoStack = IoGetNextIrpStackLocation(Irp);
//
// initialize stack location
//
/* Initialize stack location */
IoStack->MajorFunction = IRP_MJ_INTERNAL_DEVICE_CONTROL;
IoStack->Parameters.DeviceIoControl.IoControlCode = IOCTL_INTERNAL_USB_SUBMIT_URB;
IoStack->Parameters.Others.Argument1 = (PVOID)UrbRequest;
IoStack->Parameters.DeviceIoControl.InputBufferLength = UrbRequest->UrbHeader.Length;
Irp->IoStatus.Status = STATUS_SUCCESS;
//
// setup completion routine
//
IoSetCompletionRoutine(Irp, USBSTOR_SyncForwardIrpCompletionRoutine, &Event, TRUE, TRUE, TRUE);
/* Setup completion routine */
IoSetCompletionRoutine(Irp,
USBSTOR_SyncForwardIrpCompletionRoutine,
&Event,
TRUE,
TRUE,
TRUE);
//
// call driver
//
/* Call driver */
Status = IoCallDriver(DeviceObject, Irp);
//
// check if request is pending
//
/* Check if request is pending */
if (Status == STATUS_PENDING)
{
//
// wait for completion
//
/* Wait for completion */
KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, NULL);
//
// update status
//
/* Update status */
Status = Irp->IoStatus.Status;
}
//
// free irp
//
/* Free irp */
IoFreeIrp(Irp);
//
// done
//
/* Done */
return Status;
}
@ -166,22 +132,16 @@ AllocateItem(
IN POOL_TYPE PoolType,
IN ULONG ItemSize)
{
//
// allocate item
//
/* Allocate item */
PVOID Item = ExAllocatePoolWithTag(PoolType, ItemSize, USBCCPG_TAG);
if (Item)
{
//
// zero item
//
/* Zero item */
RtlZeroMemory(Item, ItemSize);
}
//
// return element
//
/* Return element */
return Item;
}
@ -189,9 +149,7 @@ VOID
FreeItem(
IN PVOID Item)
{
//
// free item
//
/* Free item */
ExFreePoolWithTag(Item, USBCCPG_TAG);
}

57
reactos/drivers/usb/usbccgp/usbccgp.c
View file

@ -11,9 +11,7 @@
#include "usbccgp.h"
//
// driver verifier
//
/* Driver verifier */
DRIVER_ADD_DEVICE USBCCGP_AddDevice;
NTSTATUS
@ -26,19 +24,25 @@ USBCCGP_AddDevice(
PDEVICE_OBJECT DeviceObject;
PFDO_DEVICE_EXTENSION FDODeviceExtension;
// lets create the device
Status = IoCreateDevice(DriverObject, sizeof(FDO_DEVICE_EXTENSION), NULL, FILE_DEVICE_USB, FILE_AUTOGENERATED_DEVICE_NAME, FALSE, &DeviceObject);
/* Lets create the device */
Status = IoCreateDevice(DriverObject,
sizeof(FDO_DEVICE_EXTENSION),
NULL,
FILE_DEVICE_USB,
FILE_AUTOGENERATED_DEVICE_NAME,
FALSE,
&DeviceObject);
if (!NT_SUCCESS(Status))
{
// failed to create device
/* Failed to create device */
DPRINT1("USBCCGP_AddDevice failed to create device with %x\n", Status);
return Status;
}
// get device extension
/* Get device extension */
FDODeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
// init device extension
/* Init device extension */
RtlZeroMemory(FDODeviceExtension, sizeof(FDO_DEVICE_EXTENSION));
FDODeviceExtension->Common.IsFDO = TRUE;
FDODeviceExtension->DriverObject = DriverObject;
@ -47,22 +51,23 @@ USBCCGP_AddDevice(
InitializeListHead(&FDODeviceExtension->CyclePortListHead);
KeInitializeSpinLock(&FDODeviceExtension->Lock);
FDODeviceExtension->NextDeviceObject = IoAttachDeviceToDeviceStack(DeviceObject, PhysicalDeviceObject);
FDODeviceExtension->NextDeviceObject = IoAttachDeviceToDeviceStack(DeviceObject,
PhysicalDeviceObject);
if (!FDODeviceExtension->NextDeviceObject)
{
// failed to attach
/* Failed to attach */
DPRINT1("USBCCGP_AddDevice failed to attach device\n");
IoDeleteDevice(DeviceObject);
return STATUS_DEVICE_REMOVED;
}
// set device flags
/* Set device flags */
DeviceObject->Flags |= DO_BUFFERED_IO | DO_POWER_PAGABLE;
// device is initialized
/* Device is initialized */
DeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
// device initialized
/* Device initialized */
return Status;
}
@ -75,24 +80,24 @@ USBCCGP_CreateClose(
PCOMMON_DEVICE_EXTENSION DeviceExtension;
PFDO_DEVICE_EXTENSION FDODeviceExtension;
// get common device extension
/* Get common device extension */
DeviceExtension = (PCOMMON_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
// is it a fdo
/* Is it a fdo */
if (DeviceExtension->IsFDO)
{
// forward and forget
/* Forward and forget */
IoSkipCurrentIrpStackLocation(Irp);
// get fdo
/* Get fdo */
FDODeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
// call lower driver
/* Call lower driver */
return IoCallDriver(FDODeviceExtension->NextDeviceObject, Irp);
}
else
{
// pdo not supported
/* Pdo not supported */
Irp->IoStatus.Status = STATUS_NOT_SUPPORTED;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_NOT_SUPPORTED;
@ -108,26 +113,26 @@ USBCCGP_Dispatch(
PCOMMON_DEVICE_EXTENSION DeviceExtension;
PIO_STACK_LOCATION IoStack;
// get common device extension
/* Get common device extension */
DeviceExtension = (PCOMMON_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
// get current stack location
/* Get current stack location */
IoStack = IoGetCurrentIrpStackLocation(Irp);
if (IoStack->MajorFunction == IRP_MJ_CREATE || IoStack->MajorFunction == IRP_MJ_CLOSE)
{
// dispatch to default handler
/* Dispatch to default handler */
return USBCCGP_CreateClose(DeviceObject, Irp);
}
if (DeviceExtension->IsFDO)
{
// handle request for FDO
/* Handle request for FDO */
return FDO_Dispatch(DeviceObject, Irp);
}
else
{
// handle request for PDO
/* Handle request for PDO */
return PDO_Dispatch(DeviceObject, Irp);
}
}
@ -139,7 +144,7 @@ DriverEntry(
PUNICODE_STRING RegistryPath)
{
// initialize driver object
/* Initialize driver object */
DPRINT("[USBCCGP] DriverEntry\n");
DriverObject->DriverExtension->AddDevice = USBCCGP_AddDevice;
DriverObject->MajorFunction[IRP_MJ_CREATE] = USBCCGP_Dispatch;
@ -149,7 +154,7 @@ DriverEntry(
DriverObject->MajorFunction[IRP_MJ_POWER] = USBCCGP_Dispatch;
DriverObject->MajorFunction[IRP_MJ_PNP] = USBCCGP_Dispatch;
// FIMXE query GenericCompositeUSBDeviceString
/* FIMXE query GenericCompositeUSBDeviceString */
return STATUS_SUCCESS;
}

12
reactos/drivers/usb/usbccgp/usbccgp.h
View file

@ -10,17 +10,16 @@
#include <usbioctl.h>
#include <usbdlib.h>
//
// FIXME:
// #include <usbprotocoldefs.h>
//
/* FIXME:
#include <usbprotocoldefs.h> */
#include <usb.h>
#include <stdio.h>
#include <wdmguid.h>
typedef struct
{
BOOLEAN IsFDO; // is device a FDO or PDO
BOOLEAN IsFDO; // is device a FDO or PDO
}COMMON_DEVICE_EXTENSION, *PCOMMON_DEVICE_EXTENSION;
typedef struct
@ -60,10 +59,9 @@ typedef struct
USBD_CONFIGURATION_HANDLE ConfigurationHandle; // configuration handle
PUSBD_INTERFACE_LIST_ENTRY InterfaceList; // interface list
ULONG InterfaceListCount; // interface list count
PFDO_DEVICE_EXTENSION FDODeviceExtension; // pointer to fdo's pdo list
PFDO_DEVICE_EXTENSION FDODeviceExtension; // pointer to fdo's pdo list
}PDO_DEVICE_EXTENSION, *PPDO_DEVICE_EXTENSION;
/* descriptor.c */
NTSTATUS
USBCCGP_GetDescriptors(