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winebus.sys: Query and parse device report descriptor on device start.

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Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=51824
Signed-off-by: Rémi Bernon <rbernon@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Rémi Bernon 2021-10-08 10:01:23 +02:00 committed by Alexandre Julliard
parent bd780ba618
commit 9132979000
2 changed files with 51 additions and 33 deletions
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2
dlls/winebus.sys/Makefile.in
View file

@ -1,6 +1,6 @@
MODULE = winebus.sys
UNIXLIB = winebus.so
IMPORTS = ntoskrnl advapi32
IMPORTS = ntoskrnl hidparse
EXTRALIBS = $(IOKIT_LIBS) $(UDEV_LIBS) $(PTHREAD_LIBS)
EXTRAINCL = $(UDEV_CFLAGS) $(SDL2_CFLAGS)

82
dlls/winebus.sys/main.c
View file

@ -32,6 +32,7 @@
#include "ddk/wdm.h"
#include "ddk/hidport.h"
#include "ddk/hidtypes.h"
#include "ddk/hidpddi.h"
#include "wine/asm.h"
#include "wine/debug.h"
#include "wine/list.h"
@ -71,6 +72,10 @@ struct device_extension
struct device_desc desc;
DWORD index;
BYTE *report_desc;
ULONG report_desc_length;
HIDP_DEVICE_DESC collection_desc;
BYTE *last_report;
DWORD last_report_size;
BOOL last_report_read;
@ -827,8 +832,27 @@ static NTSTATUS pdo_pnp_dispatch(DEVICE_OBJECT *device, IRP *irp)
RtlEnterCriticalSection(&ext->cs);
if (ext->state != DEVICE_STATE_STOPPED) status = STATUS_SUCCESS;
else if (ext->state == DEVICE_STATE_REMOVED) status = STATUS_DELETE_PENDING;
else if (!(status = unix_device_start(device))) ext->state = DEVICE_STATE_STARTED;
else ERR("failed to start device %p, status %#x\n", device, status);
else if ((status = unix_device_start(device)))
ERR("Failed to start device %p, status %#x\n", device, status);
else
{
status = unix_device_get_report_descriptor(device, NULL, 0, &ext->report_desc_length);
if (status != STATUS_SUCCESS && status != STATUS_BUFFER_TOO_SMALL)
ERR("Failed to get device %p report descriptor, status %#x\n", device, status);
else if (!(ext->report_desc = RtlAllocateHeap(GetProcessHeap(), 0, ext->report_desc_length)))
status = STATUS_NO_MEMORY;
else if ((status = unix_device_get_report_descriptor(device, ext->report_desc, ext->report_desc_length,
&ext->report_desc_length)))
ERR("Failed to get device %p report descriptor, status %#x\n", device, status);
else if ((status = HidP_GetCollectionDescription(ext->report_desc, ext->report_desc_length,
PagedPool, &ext->collection_desc)) != HIDP_STATUS_SUCCESS)
ERR("Failed to parse device %p report descriptor, status %#x\n", device, status);
else
{
ext->state = DEVICE_STATE_STARTED;
status = STATUS_SUCCESS;
}
}
RtlLeaveCriticalSection(&ext->cs);
break;
@ -854,6 +878,9 @@ static NTSTATUS pdo_pnp_dispatch(DEVICE_OBJECT *device, IRP *irp)
irp->IoStatus.Status = STATUS_SUCCESS;
IoCompleteRequest(irp, IO_NO_INCREMENT);
HidP_FreeCollectionDescription(&ext->collection_desc);
RtlFreeHeap(GetProcessHeap(), 0, ext->report_desc);
IoDeleteDevice(device);
return STATUS_SUCCESS;
@ -955,40 +982,31 @@ static NTSTATUS WINAPI hid_internal_dispatch(DEVICE_OBJECT *device, IRP *irp)
case IOCTL_HID_GET_DEVICE_DESCRIPTOR:
{
HID_DESCRIPTOR *descriptor = (HID_DESCRIPTOR *)irp->UserBuffer;
DWORD length;
TRACE("IOCTL_HID_GET_DEVICE_DESCRIPTOR\n");
if (buffer_len < sizeof(*descriptor))
{
irp->IoStatus.Status = STATUS_BUFFER_TOO_SMALL;
break;
}
irp->IoStatus.Status = unix_device_get_report_descriptor(device, NULL, 0, &length);
if (irp->IoStatus.Status != STATUS_SUCCESS &&
irp->IoStatus.Status != STATUS_BUFFER_TOO_SMALL)
{
WARN("Failed to get platform report descriptor length\n");
break;
}
memset(descriptor, 0, sizeof(*descriptor));
descriptor->bLength = sizeof(*descriptor);
descriptor->bDescriptorType = HID_HID_DESCRIPTOR_TYPE;
descriptor->bcdHID = HID_REVISION;
descriptor->bCountry = 0;
descriptor->bNumDescriptors = 1;
descriptor->DescriptorList[0].bReportType = HID_REPORT_DESCRIPTOR_TYPE;
descriptor->DescriptorList[0].wReportLength = length;
irp->IoStatus.Status = STATUS_SUCCESS;
irp->IoStatus.Information = sizeof(*descriptor);
if (buffer_len < sizeof(*descriptor)) irp->IoStatus.Status = STATUS_BUFFER_TOO_SMALL;
else
{
memset(descriptor, 0, sizeof(*descriptor));
descriptor->bLength = sizeof(*descriptor);
descriptor->bDescriptorType = HID_HID_DESCRIPTOR_TYPE;
descriptor->bcdHID = HID_REVISION;
descriptor->bCountry = 0;
descriptor->bNumDescriptors = 1;
descriptor->DescriptorList[0].bReportType = HID_REPORT_DESCRIPTOR_TYPE;
descriptor->DescriptorList[0].wReportLength = ext->report_desc_length;
irp->IoStatus.Status = STATUS_SUCCESS;
}
break;
}
case IOCTL_HID_GET_REPORT_DESCRIPTOR:
TRACE("IOCTL_HID_GET_REPORT_DESCRIPTOR\n");
irp->IoStatus.Status = unix_device_get_report_descriptor(device, irp->UserBuffer, buffer_len, &buffer_len);
irp->IoStatus.Information = buffer_len;
irp->IoStatus.Information = ext->report_desc_length;
if (buffer_len < irp->IoStatus.Information)
irp->IoStatus.Status = STATUS_BUFFER_TOO_SMALL;
else
{
memcpy(irp->UserBuffer, ext->report_desc, ext->report_desc_length);
irp->IoStatus.Status = STATUS_SUCCESS;
}
break;
case IOCTL_HID_GET_STRING:
{