792 lines
26 KiB
C
792 lines
26 KiB
C
/*
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* HIDClass device functions
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*
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* Copyright (C) 2015 Aric Stewart
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#include <stdlib.h>
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#include "hid.h"
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#include "winreg.h"
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#include "winuser.h"
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#include "ddk/hidsdi.h"
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#include "ddk/hidtypes.h"
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#include "ddk/wdm.h"
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#include "wine/debug.h"
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#include "wine/list.h"
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WINE_DEFAULT_DEBUG_CHANNEL(hid);
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static void WINAPI read_cancel_routine(DEVICE_OBJECT *device, IRP *irp)
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{
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struct hid_queue *queue = irp->Tail.Overlay.OriginalFileObject->FsContext;
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KIRQL irql;
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TRACE("cancel %p IRP on device %p\n", irp, device);
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IoReleaseCancelSpinLock(irp->CancelIrql);
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KeAcquireSpinLock( &queue->lock, &irql );
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RemoveEntryList(&irp->Tail.Overlay.ListEntry);
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KeReleaseSpinLock( &queue->lock, irql );
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irp->IoStatus.Status = STATUS_CANCELLED;
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irp->IoStatus.Information = 0;
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IoCompleteRequest(irp, IO_NO_INCREMENT);
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}
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static struct hid_report *hid_report_create( HID_XFER_PACKET *packet )
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{
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struct hid_report *report;
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if (!(report = malloc( offsetof( struct hid_report, buffer[packet->reportBufferLen] ) )))
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return NULL;
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report->ref = 1;
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report->length = packet->reportBufferLen;
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memcpy( report->buffer, packet->reportBuffer, report->length );
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return report;
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}
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static void hid_report_incref( struct hid_report *report )
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{
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InterlockedIncrement( &report->ref );
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}
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static void hid_report_decref( struct hid_report *report )
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{
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if (!report) return;
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if (InterlockedDecrement( &report->ref ) == 0) free( report );
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}
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static struct hid_queue *hid_queue_create( void )
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{
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struct hid_queue *queue;
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if (!(queue = calloc( 1, sizeof(struct hid_queue) ))) return NULL;
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InitializeListHead( &queue->irp_queue );
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KeInitializeSpinLock( &queue->lock );
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list_init( &queue->entry );
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queue->length = 32;
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queue->read_idx = 0;
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queue->write_idx = 0;
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return queue;
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}
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static IRP *hid_queue_pop_irp( struct hid_queue *queue )
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{
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LIST_ENTRY *entry;
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IRP *irp = NULL;
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KIRQL irql;
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KeAcquireSpinLock( &queue->lock, &irql );
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while (!irp && (entry = RemoveHeadList( &queue->irp_queue )) != &queue->irp_queue)
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{
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irp = CONTAINING_RECORD( entry, IRP, Tail.Overlay.ListEntry );
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if (!IoSetCancelRoutine( irp, NULL ))
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{
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/* cancel routine is already cleared, meaning that it was called. let it handle completion. */
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InitializeListHead( &irp->Tail.Overlay.ListEntry );
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irp = NULL;
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}
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}
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KeReleaseSpinLock( &queue->lock, irql );
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return irp;
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}
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void hid_queue_remove_pending_irps( struct hid_queue *queue )
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{
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IRP *irp;
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while ((irp = hid_queue_pop_irp( queue )))
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{
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irp->IoStatus.Status = STATUS_DELETE_PENDING;
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IoCompleteRequest( irp, IO_NO_INCREMENT );
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}
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}
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void hid_queue_destroy( struct hid_queue *queue )
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{
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hid_queue_remove_pending_irps( queue );
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while (queue->length--) hid_report_decref( queue->reports[queue->length] );
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list_remove( &queue->entry );
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free( queue );
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}
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static NTSTATUS hid_queue_resize( struct hid_queue *queue, ULONG length )
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{
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struct hid_report *old_reports[512];
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LONG old_length = queue->length;
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KIRQL irql;
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if (length < 2 || length > 512) return STATUS_INVALID_PARAMETER;
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if (length == queue->length) return STATUS_SUCCESS;
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KeAcquireSpinLock( &queue->lock, &irql );
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memcpy( old_reports, queue->reports, old_length * sizeof(void *) );
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memset( queue->reports, 0, old_length * sizeof(void *) );
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queue->length = length;
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queue->write_idx = 0;
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queue->read_idx = 0;
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KeReleaseSpinLock( &queue->lock, irql );
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while (old_length--) hid_report_decref( old_reports[old_length] );
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return STATUS_SUCCESS;
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}
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static NTSTATUS hid_queue_push_irp( struct hid_queue *queue, IRP *irp )
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{
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KIRQL irql;
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KeAcquireSpinLock( &queue->lock, &irql );
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IoSetCancelRoutine( irp, read_cancel_routine );
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if (irp->Cancel && !IoSetCancelRoutine( irp, NULL ))
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{
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/* IRP was canceled before we set cancel routine */
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InitializeListHead( &irp->Tail.Overlay.ListEntry );
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KeReleaseSpinLock( &queue->lock, irql );
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return STATUS_CANCELLED;
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}
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InsertTailList( &queue->irp_queue, &irp->Tail.Overlay.ListEntry );
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irp->IoStatus.Status = STATUS_PENDING;
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IoMarkIrpPending( irp );
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KeReleaseSpinLock( &queue->lock, irql );
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return STATUS_PENDING;
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}
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static void hid_queue_push_report( struct hid_queue *queue, struct hid_report *report )
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{
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ULONG i = queue->write_idx, next = i + 1;
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struct hid_report *prev;
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KIRQL irql;
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if (next >= queue->length) next = 0;
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hid_report_incref( report );
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KeAcquireSpinLock( &queue->lock, &irql );
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prev = queue->reports[i];
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queue->reports[i] = report;
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if (next == queue->read_idx) queue->read_idx = next + 1;
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if (queue->read_idx >= queue->length) queue->read_idx = 0;
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KeReleaseSpinLock( &queue->lock, irql );
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hid_report_decref( prev );
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queue->write_idx = next;
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}
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static struct hid_report *hid_queue_pop_report( struct hid_queue *queue )
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{
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ULONG i = queue->read_idx, next = i + 1;
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struct hid_report *report;
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KIRQL irql;
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if (next >= queue->length) next = 0;
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KeAcquireSpinLock( &queue->lock, &irql );
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report = queue->reports[i];
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queue->reports[i] = NULL;
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if (i != queue->write_idx) queue->read_idx = next;
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KeReleaseSpinLock( &queue->lock, irql );
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return report;
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}
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static void hid_device_queue_input( DEVICE_OBJECT *device, HID_XFER_PACKET *packet )
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{
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BASE_DEVICE_EXTENSION *ext = device->DeviceExtension;
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const BOOL polled = ext->u.pdo.information.Polled;
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struct hid_report *last_report, *report;
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struct hid_queue *queue;
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LIST_ENTRY completed, *entry;
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RAWINPUT *rawinput;
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ULONG size;
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KIRQL irql;
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IRP *irp;
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if (IsEqualGUID( ext->class_guid, &GUID_DEVINTERFACE_HID ))
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{
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size = offsetof( RAWINPUT, data.hid.bRawData[packet->reportBufferLen] );
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if (!(rawinput = malloc( size ))) ERR( "Failed to allocate rawinput data!\n" );
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else
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{
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INPUT input;
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rawinput->header.dwType = RIM_TYPEHID;
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rawinput->header.dwSize = size;
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rawinput->header.hDevice = ULongToHandle( ext->u.pdo.rawinput_handle );
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rawinput->header.wParam = RIM_INPUT;
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rawinput->data.hid.dwCount = 1;
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rawinput->data.hid.dwSizeHid = packet->reportBufferLen;
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memcpy( rawinput->data.hid.bRawData, packet->reportBuffer, packet->reportBufferLen );
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input.type = INPUT_HARDWARE;
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input.hi.uMsg = WM_INPUT;
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input.hi.wParamH = 0;
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input.hi.wParamL = 0;
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__wine_send_input( 0, &input, rawinput );
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free( rawinput );
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}
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}
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if (!(last_report = hid_report_create( packet )))
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{
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ERR( "Failed to allocate hid_report!\n" );
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return;
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}
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InitializeListHead( &completed );
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KeAcquireSpinLock( &ext->u.pdo.queues_lock, &irql );
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LIST_FOR_EACH_ENTRY( queue, &ext->u.pdo.queues, struct hid_queue, entry )
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{
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if (!polled) hid_queue_push_report( queue, last_report );
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do
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{
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if (!(irp = hid_queue_pop_irp( queue ))) break;
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if (!(report = hid_queue_pop_report( queue ))) hid_report_incref( (report = last_report) );
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memcpy( irp->AssociatedIrp.SystemBuffer, report->buffer, report->length );
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irp->IoStatus.Information = report->length;
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irp->IoStatus.Status = STATUS_SUCCESS;
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hid_report_decref( report );
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InsertTailList( &completed, &irp->Tail.Overlay.ListEntry );
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}
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while (polled);
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}
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KeReleaseSpinLock( &ext->u.pdo.queues_lock, irql );
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while ((entry = RemoveHeadList( &completed )) != &completed)
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{
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irp = CONTAINING_RECORD( entry, IRP, Tail.Overlay.ListEntry );
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IoCompleteRequest( irp, IO_NO_INCREMENT );
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}
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hid_report_decref( last_report );
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}
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static HIDP_REPORT_IDS *find_report_with_type_and_id( BASE_DEVICE_EXTENSION *ext, BYTE type, BYTE id, BOOL any_id )
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{
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HIDP_REPORT_IDS *report, *reports = ext->u.pdo.device_desc.ReportIDs;
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ULONG report_count = ext->u.pdo.device_desc.ReportIDsLength;
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for (report = reports; report != reports + report_count; report++)
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{
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if (!any_id && report->ReportID && report->ReportID != id) continue;
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if (type == HidP_Input && report->InputLength) return report;
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if (type == HidP_Output && report->OutputLength) return report;
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if (type == HidP_Feature && report->FeatureLength) return report;
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}
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return NULL;
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}
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static DWORD CALLBACK hid_device_thread(void *args)
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{
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DEVICE_OBJECT *device = (DEVICE_OBJECT*)args;
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BASE_DEVICE_EXTENSION *ext = device->DeviceExtension;
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HIDP_COLLECTION_DESC *desc = ext->u.pdo.device_desc.CollectionDesc;
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BOOL polled = ext->u.pdo.information.Polled;
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HIDP_REPORT_IDS *report;
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HID_XFER_PACKET *packet;
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ULONG report_id = 0;
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IO_STATUS_BLOCK io;
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BYTE *buffer;
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DWORD res;
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packet = malloc( sizeof(*packet) + desc->InputLength );
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buffer = (BYTE *)(packet + 1);
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packet->reportBuffer = buffer;
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report = find_report_with_type_and_id( ext, HidP_Input, 0, TRUE );
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if (!report) WARN("no input report found.\n");
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else report_id = report->ReportID;
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do
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{
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packet->reportId = buffer[0] = report_id;
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packet->reportBufferLen = desc->InputLength;
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if (!report_id)
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{
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packet->reportBuffer++;
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packet->reportBufferLen--;
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}
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call_minidriver( IOCTL_HID_READ_REPORT, ext->u.pdo.parent_fdo, NULL, 0,
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packet->reportBuffer, packet->reportBufferLen, &io );
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if (io.Status == STATUS_SUCCESS)
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{
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if (!report_id) io.Information++;
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packet->reportId = buffer[0];
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packet->reportBuffer = buffer;
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packet->reportBufferLen = io.Information;
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report = find_report_with_type_and_id( ext, HidP_Input, buffer[0], FALSE );
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if (polled || (report && report->InputLength == io.Information))
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hid_device_queue_input( device, packet );
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}
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res = WaitForSingleObject(ext->u.pdo.halt_event, polled ? ext->u.pdo.poll_interval : 0);
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} while (res == WAIT_TIMEOUT);
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TRACE("device thread exiting, res %#x\n", res);
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return 1;
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}
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void HID_StartDeviceThread(DEVICE_OBJECT *device)
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{
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BASE_DEVICE_EXTENSION *ext = device->DeviceExtension;
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ext->u.pdo.halt_event = CreateEventA(NULL, TRUE, FALSE, NULL);
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ext->u.pdo.thread = CreateThread(NULL, 0, hid_device_thread, device, 0, NULL);
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}
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static void handle_IOCTL_HID_GET_COLLECTION_INFORMATION( IRP *irp, BASE_DEVICE_EXTENSION *ext )
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{
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IO_STACK_LOCATION *irpsp = IoGetCurrentIrpStackLocation( irp );
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if (irpsp->Parameters.DeviceIoControl.OutputBufferLength < sizeof(HID_COLLECTION_INFORMATION))
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{
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irp->IoStatus.Status = STATUS_BUFFER_OVERFLOW;
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irp->IoStatus.Information = 0;
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}
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else
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{
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memcpy(irp->AssociatedIrp.SystemBuffer, &ext->u.pdo.information, sizeof(HID_COLLECTION_INFORMATION));
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irp->IoStatus.Information = sizeof(HID_COLLECTION_INFORMATION);
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irp->IoStatus.Status = STATUS_SUCCESS;
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}
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}
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static void handle_IOCTL_HID_GET_COLLECTION_DESCRIPTOR( IRP *irp, BASE_DEVICE_EXTENSION *ext )
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{
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HIDP_COLLECTION_DESC *desc = ext->u.pdo.device_desc.CollectionDesc;
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IO_STACK_LOCATION *irpsp = IoGetCurrentIrpStackLocation( irp );
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if (irpsp->Parameters.DeviceIoControl.OutputBufferLength < desc->PreparsedDataLength)
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{
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irp->IoStatus.Status = STATUS_INVALID_BUFFER_SIZE;
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irp->IoStatus.Information = 0;
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}
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else
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{
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memcpy( irp->UserBuffer, desc->PreparsedData, desc->PreparsedDataLength );
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irp->IoStatus.Information = desc->PreparsedDataLength;
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irp->IoStatus.Status = STATUS_SUCCESS;
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}
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}
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struct device_strings
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{
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const WCHAR *id;
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const WCHAR *product;
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};
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static const struct device_strings device_strings[] =
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{
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/* Microsoft controllers */
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{ .id = L"VID_045E&PID_028E", .product = L"Controller (XBOX 360 For Windows)" },
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{ .id = L"VID_045E&PID_028F", .product = L"Controller (XBOX 360 For Windows)" },
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{ .id = L"VID_045E&PID_02D1", .product = L"Controller (Xbox One For Windows)" },
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{ .id = L"VID_045E&PID_02DD", .product = L"Controller (Xbox One For Windows)" },
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{ .id = L"VID_045E&PID_02E3", .product = L"Controller (Xbox One For Windows)" },
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{ .id = L"VID_045E&PID_02EA", .product = L"Controller (Xbox One For Windows)" },
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{ .id = L"VID_045E&PID_02FD", .product = L"Controller (Xbox One For Windows)" },
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{ .id = L"VID_045E&PID_0719", .product = L"Controller (XBOX 360 For Windows)" },
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{ .id = L"VID_045E&PID_0B00", .product = L"Controller (Xbox One For Windows)" },
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{ .id = L"VID_045E&PID_0B05", .product = L"Controller (Xbox One For Windows)" },
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{ .id = L"VID_045E&PID_0B12", .product = L"Controller (Xbox One For Windows)" },
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{ .id = L"VID_045E&PID_0B13", .product = L"Controller (Xbox One For Windows)" },
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/* Sony controllers */
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{ .id = L"VID_054C&PID_05C4", .product = L"Wireless Controller" },
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{ .id = L"VID_054C&PID_09CC", .product = L"Wireless Controller" },
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{ .id = L"VID_054C&PID_0BA0", .product = L"Wireless Controller" },
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{ .id = L"VID_054C&PID_0CE6", .product = L"Wireless Controller" },
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};
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static const WCHAR *find_product_string( const WCHAR *device_id )
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{
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const WCHAR *match_id = wcsrchr( device_id, '\\' ) + 1;
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DWORD i;
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for (i = 0; i < ARRAY_SIZE(device_strings); ++i)
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if (!wcsnicmp( device_strings[i].id, match_id, 17 ))
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return device_strings[i].product;
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return NULL;
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}
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static void handle_minidriver_string( BASE_DEVICE_EXTENSION *ext, IRP *irp, ULONG index )
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{
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IO_STACK_LOCATION *stack = IoGetCurrentIrpStackLocation( irp );
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WCHAR *output_buf = MmGetSystemAddressForMdlSafe( irp->MdlAddress, NormalPagePriority );
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ULONG output_len = stack->Parameters.DeviceIoControl.OutputBufferLength;
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const WCHAR *str = NULL;
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if (index == HID_STRING_ID_IPRODUCT) str = find_product_string( ext->device_id );
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if (!str) call_minidriver( IOCTL_HID_GET_STRING, ext->u.pdo.parent_fdo, ULongToPtr( index ),
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sizeof(index), output_buf, output_len, &irp->IoStatus );
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else
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{
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irp->IoStatus.Information = (wcslen( str ) + 1) * sizeof(WCHAR);
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if (irp->IoStatus.Information > output_len)
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irp->IoStatus.Status = STATUS_BUFFER_TOO_SMALL;
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else
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{
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memcpy( output_buf, str, irp->IoStatus.Information );
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irp->IoStatus.Status = STATUS_SUCCESS;
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}
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}
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}
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static void hid_device_xfer_report( BASE_DEVICE_EXTENSION *ext, ULONG code, IRP *irp )
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{
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IO_STACK_LOCATION *stack = IoGetCurrentIrpStackLocation( irp );
|
|
ULONG offset = 0, report_len = 0, buffer_len = 0;
|
|
HIDP_REPORT_IDS *report = NULL;
|
|
HID_XFER_PACKET packet;
|
|
BYTE *buffer = NULL;
|
|
|
|
switch (code)
|
|
{
|
|
case IOCTL_HID_GET_FEATURE:
|
|
case IOCTL_HID_GET_INPUT_REPORT:
|
|
buffer_len = stack->Parameters.DeviceIoControl.OutputBufferLength;
|
|
buffer = MmGetSystemAddressForMdlSafe( irp->MdlAddress, NormalPagePriority );
|
|
break;
|
|
case IOCTL_HID_SET_FEATURE:
|
|
case IOCTL_HID_SET_OUTPUT_REPORT:
|
|
buffer_len = stack->Parameters.DeviceIoControl.InputBufferLength;
|
|
buffer = irp->AssociatedIrp.SystemBuffer;
|
|
break;
|
|
case IOCTL_HID_WRITE_REPORT:
|
|
buffer_len = stack->Parameters.Write.Length;
|
|
buffer = irp->AssociatedIrp.SystemBuffer;
|
|
break;
|
|
}
|
|
if (!buffer || !buffer_len)
|
|
{
|
|
irp->IoStatus.Status = STATUS_INVALID_USER_BUFFER;
|
|
return;
|
|
}
|
|
|
|
switch (code)
|
|
{
|
|
case IOCTL_HID_GET_INPUT_REPORT:
|
|
report = find_report_with_type_and_id( ext, HidP_Input, buffer[0], FALSE );
|
|
if (report) report_len = report->InputLength;
|
|
break;
|
|
case IOCTL_HID_SET_OUTPUT_REPORT:
|
|
case IOCTL_HID_WRITE_REPORT:
|
|
report = find_report_with_type_and_id( ext, HidP_Output, buffer[0], FALSE );
|
|
if (report) report_len = report->OutputLength;
|
|
break;
|
|
case IOCTL_HID_GET_FEATURE:
|
|
case IOCTL_HID_SET_FEATURE:
|
|
report = find_report_with_type_and_id( ext, HidP_Feature, buffer[0], FALSE );
|
|
if (report) report_len = report->FeatureLength;
|
|
break;
|
|
}
|
|
|
|
if (!report || buffer_len < report_len)
|
|
{
|
|
irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
|
|
return;
|
|
}
|
|
|
|
if (!report->ReportID) offset = 1;
|
|
packet.reportId = report->ReportID;
|
|
packet.reportBuffer = buffer + offset;
|
|
|
|
switch (code)
|
|
{
|
|
case IOCTL_HID_GET_FEATURE:
|
|
case IOCTL_HID_GET_INPUT_REPORT:
|
|
packet.reportBufferLen = buffer_len - offset;
|
|
call_minidriver( code, ext->u.pdo.parent_fdo, NULL, 0, &packet, sizeof(packet), &irp->IoStatus );
|
|
break;
|
|
case IOCTL_HID_SET_FEATURE:
|
|
case IOCTL_HID_SET_OUTPUT_REPORT:
|
|
case IOCTL_HID_WRITE_REPORT:
|
|
packet.reportBufferLen = report_len - offset;
|
|
call_minidriver( code, ext->u.pdo.parent_fdo, NULL, sizeof(packet), &packet, 0, &irp->IoStatus );
|
|
if (code == IOCTL_HID_WRITE_REPORT && packet.reportId) irp->IoStatus.Information--;
|
|
break;
|
|
}
|
|
}
|
|
|
|
NTSTATUS WINAPI pdo_ioctl(DEVICE_OBJECT *device, IRP *irp)
|
|
{
|
|
struct hid_queue *queue = irp->Tail.Overlay.OriginalFileObject->FsContext;
|
|
IO_STACK_LOCATION *irpsp = IoGetCurrentIrpStackLocation( irp );
|
|
BASE_DEVICE_EXTENSION *ext = device->DeviceExtension;
|
|
NTSTATUS status;
|
|
BOOL removed;
|
|
ULONG code;
|
|
KIRQL irql;
|
|
|
|
irp->IoStatus.Information = 0;
|
|
|
|
TRACE("device %p ioctl(%x)\n", device, irpsp->Parameters.DeviceIoControl.IoControlCode);
|
|
|
|
KeAcquireSpinLock(&ext->u.pdo.lock, &irql);
|
|
removed = ext->u.pdo.removed;
|
|
KeReleaseSpinLock(&ext->u.pdo.lock, irql);
|
|
|
|
if (removed)
|
|
{
|
|
irp->IoStatus.Status = STATUS_DELETE_PENDING;
|
|
IoCompleteRequest(irp, IO_NO_INCREMENT);
|
|
return STATUS_DELETE_PENDING;
|
|
}
|
|
|
|
switch ((code = irpsp->Parameters.DeviceIoControl.IoControlCode))
|
|
{
|
|
case IOCTL_HID_GET_POLL_FREQUENCY_MSEC:
|
|
TRACE("IOCTL_HID_GET_POLL_FREQUENCY_MSEC\n");
|
|
if (irpsp->Parameters.DeviceIoControl.OutputBufferLength < sizeof(ULONG))
|
|
{
|
|
irp->IoStatus.Status = STATUS_BUFFER_OVERFLOW;
|
|
irp->IoStatus.Information = 0;
|
|
break;
|
|
}
|
|
*(ULONG *)irp->AssociatedIrp.SystemBuffer = ext->u.pdo.poll_interval;
|
|
irp->IoStatus.Information = sizeof(ULONG);
|
|
irp->IoStatus.Status = STATUS_SUCCESS;
|
|
break;
|
|
case IOCTL_HID_SET_POLL_FREQUENCY_MSEC:
|
|
{
|
|
ULONG poll_interval;
|
|
TRACE("IOCTL_HID_SET_POLL_FREQUENCY_MSEC\n");
|
|
if (irpsp->Parameters.DeviceIoControl.InputBufferLength < sizeof(ULONG))
|
|
{
|
|
irp->IoStatus.Status = STATUS_BUFFER_TOO_SMALL;
|
|
break;
|
|
}
|
|
poll_interval = *(ULONG *)irp->AssociatedIrp.SystemBuffer;
|
|
if (poll_interval) ext->u.pdo.poll_interval = min(poll_interval, MAX_POLL_INTERVAL_MSEC);
|
|
irp->IoStatus.Status = STATUS_SUCCESS;
|
|
break;
|
|
}
|
|
case IOCTL_HID_GET_PRODUCT_STRING:
|
|
{
|
|
handle_minidriver_string( ext, irp, HID_STRING_ID_IPRODUCT );
|
|
break;
|
|
}
|
|
case IOCTL_HID_GET_SERIALNUMBER_STRING:
|
|
{
|
|
handle_minidriver_string( ext, irp, HID_STRING_ID_ISERIALNUMBER );
|
|
break;
|
|
}
|
|
case IOCTL_HID_GET_MANUFACTURER_STRING:
|
|
{
|
|
handle_minidriver_string( ext, irp, HID_STRING_ID_IMANUFACTURER );
|
|
break;
|
|
}
|
|
case IOCTL_HID_GET_COLLECTION_INFORMATION:
|
|
{
|
|
handle_IOCTL_HID_GET_COLLECTION_INFORMATION( irp, ext );
|
|
break;
|
|
}
|
|
case IOCTL_HID_GET_COLLECTION_DESCRIPTOR:
|
|
{
|
|
handle_IOCTL_HID_GET_COLLECTION_DESCRIPTOR( irp, ext );
|
|
break;
|
|
}
|
|
case IOCTL_SET_NUM_DEVICE_INPUT_BUFFERS:
|
|
{
|
|
irp->IoStatus.Information = 0;
|
|
|
|
if (irpsp->Parameters.DeviceIoControl.InputBufferLength != sizeof(ULONG))
|
|
irp->IoStatus.Status = STATUS_BUFFER_OVERFLOW;
|
|
else
|
|
irp->IoStatus.Status = hid_queue_resize( queue, *(ULONG *)irp->AssociatedIrp.SystemBuffer );
|
|
break;
|
|
}
|
|
case IOCTL_GET_NUM_DEVICE_INPUT_BUFFERS:
|
|
{
|
|
if (irpsp->Parameters.DeviceIoControl.OutputBufferLength < sizeof(ULONG))
|
|
{
|
|
irp->IoStatus.Information = 0;
|
|
irp->IoStatus.Status = STATUS_BUFFER_TOO_SMALL;
|
|
}
|
|
else
|
|
{
|
|
*(ULONG *)irp->AssociatedIrp.SystemBuffer = queue->length;
|
|
irp->IoStatus.Information = sizeof(ULONG);
|
|
irp->IoStatus.Status = STATUS_SUCCESS;
|
|
}
|
|
break;
|
|
}
|
|
case IOCTL_HID_GET_FEATURE:
|
|
case IOCTL_HID_SET_FEATURE:
|
|
case IOCTL_HID_GET_INPUT_REPORT:
|
|
case IOCTL_HID_SET_OUTPUT_REPORT:
|
|
hid_device_xfer_report( ext, code, irp );
|
|
break;
|
|
default:
|
|
{
|
|
ULONG code = irpsp->Parameters.DeviceIoControl.IoControlCode;
|
|
FIXME("Unsupported ioctl %x (device=%x access=%x func=%x method=%x)\n",
|
|
code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
|
|
irp->IoStatus.Status = STATUS_NOT_SUPPORTED;
|
|
break;
|
|
}
|
|
}
|
|
|
|
status = irp->IoStatus.Status;
|
|
if (status != STATUS_PENDING) IoCompleteRequest( irp, IO_NO_INCREMENT );
|
|
return status;
|
|
}
|
|
|
|
NTSTATUS WINAPI pdo_read(DEVICE_OBJECT *device, IRP *irp)
|
|
{
|
|
struct hid_queue *queue = irp->Tail.Overlay.OriginalFileObject->FsContext;
|
|
BASE_DEVICE_EXTENSION *ext = device->DeviceExtension;
|
|
HIDP_COLLECTION_DESC *desc = ext->u.pdo.device_desc.CollectionDesc;
|
|
IO_STACK_LOCATION *irpsp = IoGetCurrentIrpStackLocation(irp);
|
|
struct hid_report *report;
|
|
BOOL removed;
|
|
KIRQL irql;
|
|
|
|
KeAcquireSpinLock(&ext->u.pdo.lock, &irql);
|
|
removed = ext->u.pdo.removed;
|
|
KeReleaseSpinLock(&ext->u.pdo.lock, irql);
|
|
|
|
if (removed)
|
|
{
|
|
irp->IoStatus.Status = STATUS_DELETE_PENDING;
|
|
IoCompleteRequest(irp, IO_NO_INCREMENT);
|
|
return STATUS_DELETE_PENDING;
|
|
}
|
|
|
|
if (irpsp->Parameters.Read.Length < desc->InputLength)
|
|
{
|
|
irp->IoStatus.Status = STATUS_INVALID_BUFFER_SIZE;
|
|
IoCompleteRequest( irp, IO_NO_INCREMENT );
|
|
return STATUS_INVALID_BUFFER_SIZE;
|
|
}
|
|
|
|
irp->IoStatus.Information = 0;
|
|
if ((report = hid_queue_pop_report( queue )))
|
|
{
|
|
memcpy( irp->AssociatedIrp.SystemBuffer, report->buffer, report->length );
|
|
irp->IoStatus.Information = report->length;
|
|
irp->IoStatus.Status = STATUS_SUCCESS;
|
|
hid_report_decref( report );
|
|
|
|
IoCompleteRequest( irp, IO_NO_INCREMENT );
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
return hid_queue_push_irp( queue, irp );
|
|
|
|
}
|
|
|
|
NTSTATUS WINAPI pdo_write(DEVICE_OBJECT *device, IRP *irp)
|
|
{
|
|
BASE_DEVICE_EXTENSION *ext = device->DeviceExtension;
|
|
NTSTATUS status;
|
|
|
|
hid_device_xfer_report( ext, IOCTL_HID_WRITE_REPORT, irp );
|
|
|
|
status = irp->IoStatus.Status;
|
|
IoCompleteRequest( irp, IO_NO_INCREMENT );
|
|
return status;
|
|
}
|
|
|
|
NTSTATUS WINAPI pdo_create(DEVICE_OBJECT *device, IRP *irp)
|
|
{
|
|
BASE_DEVICE_EXTENSION *ext = device->DeviceExtension;
|
|
struct hid_queue *queue;
|
|
BOOL removed;
|
|
KIRQL irql;
|
|
|
|
TRACE("Open handle on device %p\n", device);
|
|
|
|
KeAcquireSpinLock( &ext->u.pdo.lock, &irql );
|
|
removed = ext->u.pdo.removed;
|
|
KeReleaseSpinLock( &ext->u.pdo.lock, irql );
|
|
|
|
if (removed)
|
|
{
|
|
irp->IoStatus.Status = STATUS_DELETE_PENDING;
|
|
IoCompleteRequest( irp, IO_NO_INCREMENT );
|
|
return STATUS_DELETE_PENDING;
|
|
}
|
|
|
|
if (!(queue = hid_queue_create())) irp->IoStatus.Status = STATUS_NO_MEMORY;
|
|
else
|
|
{
|
|
KeAcquireSpinLock( &ext->u.pdo.queues_lock, &irql );
|
|
list_add_tail( &ext->u.pdo.queues, &queue->entry );
|
|
KeReleaseSpinLock( &ext->u.pdo.queues_lock, irql );
|
|
|
|
irp->Tail.Overlay.OriginalFileObject->FsContext = queue;
|
|
irp->IoStatus.Status = STATUS_SUCCESS;
|
|
}
|
|
|
|
IoCompleteRequest( irp, IO_NO_INCREMENT );
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
NTSTATUS WINAPI pdo_close(DEVICE_OBJECT *device, IRP *irp)
|
|
{
|
|
struct hid_queue *queue = irp->Tail.Overlay.OriginalFileObject->FsContext;
|
|
BASE_DEVICE_EXTENSION *ext = device->DeviceExtension;
|
|
BOOL removed;
|
|
KIRQL irql;
|
|
|
|
TRACE("Close handle on device %p\n", device);
|
|
|
|
KeAcquireSpinLock( &ext->u.pdo.lock, &irql );
|
|
removed = ext->u.pdo.removed;
|
|
KeReleaseSpinLock( &ext->u.pdo.lock, irql );
|
|
|
|
if (removed)
|
|
{
|
|
irp->IoStatus.Status = STATUS_DELETE_PENDING;
|
|
IoCompleteRequest( irp, IO_NO_INCREMENT );
|
|
return STATUS_DELETE_PENDING;
|
|
}
|
|
|
|
if (queue)
|
|
{
|
|
KeAcquireSpinLock( &ext->u.pdo.queues_lock, &irql );
|
|
list_remove( &queue->entry );
|
|
KeReleaseSpinLock( &ext->u.pdo.queues_lock, irql );
|
|
hid_queue_destroy( queue );
|
|
}
|
|
|
|
irp->IoStatus.Status = STATUS_SUCCESS;
|
|
IoCompleteRequest( irp, IO_NO_INCREMENT );
|
|
return STATUS_SUCCESS;
|
|
}
|