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wine-wine/dlls/winebus.sys/main.c

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/*
* WINE Platform native bus driver
*
* Copyright 2016 Aric Stewart
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include <stdarg.h>
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "winternl.h"
#include "winioctl.h"
#include "hidusage.h"
#include "ddk/wdm.h"
#include "ddk/hidport.h"
#include "ddk/hidtypes.h"
#include "wine/asm.h"
#include "wine/debug.h"
#include "wine/unicode.h"
#include "wine/list.h"
#include "bus.h"
#include "controller.h"
WINE_DEFAULT_DEBUG_CHANNEL(plugplay);
WINE_DECLARE_DEBUG_CHANNEL(hid_report);
#if defined(__i386__) && !defined(_WIN32)
extern void * WINAPI wrap_fastcall_func1( void *func, const void *a );
__ASM_STDCALL_FUNC( wrap_fastcall_func1, 8,
"popl %ecx\n\t"
"popl %eax\n\t"
"xchgl (%esp),%ecx\n\t"
"jmp *%eax" );
#define call_fastcall_func1(func,a) wrap_fastcall_func1(func,a)
#else
#define call_fastcall_func1(func,a) func(a)
#endif
struct product_desc
{
WORD vid;
WORD pid;
const WCHAR* manufacturer;
const WCHAR* product;
const WCHAR* serialnumber;
};
#define VID_MICROSOFT 0x045e
static const WCHAR xbox360_product_string[] = {
'C','o','n','t','r','o','l','l','e','r',' ','(','X','B','O','X',' ','3','6','0',' ','F','o','r',' ','W','i','n','d','o','w','s',')',0
};
static const WCHAR xboxone_product_string[] = {
'C','o','n','t','r','o','l','l','e','r',' ','(','X','B','O','X',' ','O','n','e',' ','F','o','r',' ','W','i','n','d','o','w','s',')',0
};
static const struct product_desc XBOX_CONTROLLERS[] = {
{VID_MICROSOFT, 0x0202, NULL, NULL, NULL}, /* Xbox Controller */
{VID_MICROSOFT, 0x0285, NULL, NULL, NULL}, /* Xbox Controller S */
{VID_MICROSOFT, 0x0289, NULL, NULL, NULL}, /* Xbox Controller S */
{VID_MICROSOFT, 0x028e, NULL, xbox360_product_string, NULL}, /* Xbox360 Controller */
{VID_MICROSOFT, 0x028f, NULL, xbox360_product_string, NULL}, /* Xbox360 Wireless Controller */
{VID_MICROSOFT, 0x02d1, NULL, xboxone_product_string, NULL}, /* Xbox One Controller */
{VID_MICROSOFT, 0x02dd, NULL, xboxone_product_string, NULL}, /* Xbox One Controller (Covert Forces/Firmware 2015) */
{VID_MICROSOFT, 0x02e0, NULL, NULL, NULL}, /* Xbox One X Controller */
{VID_MICROSOFT, 0x02e3, NULL, xboxone_product_string, NULL}, /* Xbox One Elite Controller */
{VID_MICROSOFT, 0x02e6, NULL, NULL, NULL}, /* Wireless XBox Controller Dongle */
{VID_MICROSOFT, 0x02ea, NULL, xboxone_product_string, NULL}, /* Xbox One S Controller */
{VID_MICROSOFT, 0x02fd, NULL, xboxone_product_string, NULL}, /* Xbox One S Controller (Firmware 2017) */
{VID_MICROSOFT, 0x0719, NULL, xbox360_product_string, NULL}, /* Xbox 360 Wireless Adapter */
};
static DRIVER_OBJECT *driver_obj;
static DEVICE_OBJECT *mouse_obj;
/* The root-enumerated device stack. */
DEVICE_OBJECT *bus_pdo;
static DEVICE_OBJECT *bus_fdo;
HANDLE driver_key;
struct pnp_device
{
struct list entry;
DEVICE_OBJECT *device;
};
struct device_extension
{
struct pnp_device *pnp_device;
WORD vid, pid, input;
DWORD uid, version, index;
BOOL is_gamepad;
WCHAR *serial;
const WCHAR *busid; /* Expected to be a static constant */
const platform_vtbl *vtbl;
BYTE *last_report;
DWORD last_report_size;
BOOL last_report_read;
DWORD buffer_size;
LIST_ENTRY irp_queue;
CRITICAL_SECTION report_cs;
BYTE platform_private[1];
};
static CRITICAL_SECTION device_list_cs;
static CRITICAL_SECTION_DEBUG critsect_debug =
{
0, 0, &device_list_cs,
{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": device_list_cs") }
};
static CRITICAL_SECTION device_list_cs = { &critsect_debug, -1, 0, 0, 0, 0 };
static struct list pnp_devset = LIST_INIT(pnp_devset);
static const WCHAR zero_serialW[]= {'0','0','0','0',0};
static const WCHAR miW[] = {'M','I',0};
static const WCHAR igW[] = {'I','G',0};
static inline WCHAR *strdupW(const WCHAR *src)
{
WCHAR *dst;
if (!src) return NULL;
dst = HeapAlloc(GetProcessHeap(), 0, (strlenW(src) + 1)*sizeof(WCHAR));
if (dst) strcpyW(dst, src);
return dst;
}
void *get_platform_private(DEVICE_OBJECT *device)
{
struct device_extension *ext = (struct device_extension *)device->DeviceExtension;
return ext->platform_private;
}
static DWORD get_device_index(WORD vid, WORD pid, WORD input)
{
struct pnp_device *ptr;
DWORD index = 0;
LIST_FOR_EACH_ENTRY(ptr, &pnp_devset, struct pnp_device, entry)
{
struct device_extension *ext = (struct device_extension *)ptr->device->DeviceExtension;
if (ext->vid == vid && ext->pid == pid && ext->input == input)
index = max(ext->index + 1, index);
}
return index;
}
static WCHAR *get_instance_id(DEVICE_OBJECT *device)
{
static const WCHAR formatW[] = {'%','i','&','%','s','&','%','x','&','%','i',0};
struct device_extension *ext = (struct device_extension *)device->DeviceExtension;
const WCHAR *serial = ext->serial ? ext->serial : zero_serialW;
DWORD len = strlenW(serial) + 33;
WCHAR *dst;
if ((dst = ExAllocatePool(PagedPool, len * sizeof(WCHAR))))
sprintfW(dst, formatW, ext->version, serial, ext->uid, ext->index);
return dst;
}
static WCHAR *get_device_id(DEVICE_OBJECT *device)
{
static const WCHAR formatW[] = {'%','s','\\','v','i','d','_','%','0','4','x',
'&','p','i','d','_','%','0','4','x',0};
static const WCHAR format_inputW[] = {'%','s','\\','v','i','d','_','%','0','4','x',
'&','p','i','d','_','%','0','4','x','&','%','s','_','%','0','2','i',0};
struct device_extension *ext = (struct device_extension *)device->DeviceExtension;
DWORD len = strlenW(ext->busid) + 34;
WCHAR *dst;
if ((dst = ExAllocatePool(PagedPool, len * sizeof(WCHAR))))
{
if (ext->input == (WORD)-1)
{
sprintfW(dst, formatW, ext->busid, ext->vid, ext->pid);
}
else
{
sprintfW(dst, format_inputW, ext->busid, ext->vid, ext->pid,
ext->is_gamepad ? igW : miW, ext->input);
}
}
return dst;
}
static WCHAR *get_compatible_ids(DEVICE_OBJECT *device)
{
struct device_extension *ext = (struct device_extension *)device->DeviceExtension;
WCHAR *dst;
if ((dst = ExAllocatePool(PagedPool, (strlenW(ext->busid) + 2) * sizeof(WCHAR))))
{
strcpyW(dst, ext->busid);
dst[strlenW(dst) + 1] = 0;
}
return dst;
}
DEVICE_OBJECT *bus_create_hid_device(const WCHAR *busidW, WORD vid, WORD pid,
WORD input, DWORD version, DWORD uid, const WCHAR *serialW, BOOL is_gamepad,
const platform_vtbl *vtbl, DWORD platform_data_size)
{
static const WCHAR device_name_fmtW[] = {'\\','D','e','v','i','c','e','\\','%','s','#','%','p',0};
struct device_extension *ext;
struct pnp_device *pnp_dev;
DEVICE_OBJECT *device;
UNICODE_STRING nameW;
WCHAR dev_name[256];
NTSTATUS status;
DWORD length;
TRACE("(%s, %04x, %04x, %04x, %u, %u, %s, %u, %p, %u)\n",
debugstr_w(busidW), vid, pid, input, version, uid, debugstr_w(serialW),
is_gamepad, vtbl, platform_data_size);
if (!(pnp_dev = HeapAlloc(GetProcessHeap(), 0, sizeof(*pnp_dev))))
return NULL;
sprintfW(dev_name, device_name_fmtW, busidW, pnp_dev);
RtlInitUnicodeString(&nameW, dev_name);
length = FIELD_OFFSET(struct device_extension, platform_private[platform_data_size]);
status = IoCreateDevice(driver_obj, length, &nameW, 0, 0, FALSE, &device);
if (status)
{
FIXME("failed to create device error %x\n", status);
HeapFree(GetProcessHeap(), 0, pnp_dev);
return NULL;
}
EnterCriticalSection(&device_list_cs);
/* fill out device_extension struct */
ext = (struct device_extension *)device->DeviceExtension;
ext->pnp_device = pnp_dev;
ext->vid = vid;
ext->pid = pid;
ext->input = input;
ext->uid = uid;
ext->version = version;
ext->index = get_device_index(vid, pid, input);
ext->is_gamepad = is_gamepad;
ext->serial = strdupW(serialW);
ext->busid = busidW;
ext->vtbl = vtbl;
ext->last_report = NULL;
ext->last_report_size = 0;
ext->last_report_read = TRUE;
ext->buffer_size = 0;
memset(ext->platform_private, 0, platform_data_size);
InitializeListHead(&ext->irp_queue);
InitializeCriticalSection(&ext->report_cs);
ext->report_cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": report_cs");
/* add to list of pnp devices */
pnp_dev->device = device;
list_add_tail(&pnp_devset, &pnp_dev->entry);
LeaveCriticalSection(&device_list_cs);
return device;
}
DEVICE_OBJECT *bus_find_hid_device(const platform_vtbl *vtbl, void *platform_dev)
{
struct pnp_device *dev;
DEVICE_OBJECT *ret = NULL;
TRACE("(%p, %p)\n", vtbl, platform_dev);
EnterCriticalSection(&device_list_cs);
LIST_FOR_EACH_ENTRY(dev, &pnp_devset, struct pnp_device, entry)
{
struct device_extension *ext = (struct device_extension *)dev->device->DeviceExtension;
if (ext->vtbl != vtbl) continue;
if (ext->vtbl->compare_platform_device(dev->device, platform_dev) == 0)
{
ret = dev->device;
break;
}
}
LeaveCriticalSection(&device_list_cs);
TRACE("returning %p\n", ret);
return ret;
}
DEVICE_OBJECT* bus_enumerate_hid_devices(const platform_vtbl *vtbl, enum_func function, void* context)
{
struct pnp_device *dev, *dev_next;
DEVICE_OBJECT *ret = NULL;
int cont;
TRACE("(%p)\n", vtbl);
EnterCriticalSection(&device_list_cs);
LIST_FOR_EACH_ENTRY_SAFE(dev, dev_next, &pnp_devset, struct pnp_device, entry)
{
struct device_extension *ext = (struct device_extension *)dev->device->DeviceExtension;
if (ext->vtbl != vtbl) continue;
LeaveCriticalSection(&device_list_cs);
cont = function(dev->device, context);
EnterCriticalSection(&device_list_cs);
if (!cont)
{
ret = dev->device;
break;
}
}
LeaveCriticalSection(&device_list_cs);
return ret;
}
void bus_unlink_hid_device(DEVICE_OBJECT *device)
{
struct device_extension *ext = (struct device_extension *)device->DeviceExtension;
struct pnp_device *pnp_device = ext->pnp_device;
EnterCriticalSection(&device_list_cs);
list_remove(&pnp_device->entry);
LeaveCriticalSection(&device_list_cs);
}
void bus_remove_hid_device(DEVICE_OBJECT *device)
{
struct device_extension *ext = (struct device_extension *)device->DeviceExtension;
struct pnp_device *pnp_device = ext->pnp_device;
LIST_ENTRY *entry;
IRP *irp;
TRACE("(%p)\n", device);
/* Cancel pending IRPs */
EnterCriticalSection(&ext->report_cs);
while ((entry = RemoveHeadList(&ext->irp_queue)) != &ext->irp_queue)
{
irp = CONTAINING_RECORD(entry, IRP, Tail.Overlay.s.ListEntry);
irp->IoStatus.u.Status = STATUS_CANCELLED;
irp->IoStatus.Information = 0;
IoCompleteRequest(irp, IO_NO_INCREMENT);
}
LeaveCriticalSection(&ext->report_cs);
ext->report_cs.DebugInfo->Spare[0] = 0;
DeleteCriticalSection(&ext->report_cs);
HeapFree(GetProcessHeap(), 0, ext->serial);
HeapFree(GetProcessHeap(), 0, ext->last_report);
IoDeleteDevice(device);
/* pnp_device must be released after the device is gone */
HeapFree(GetProcessHeap(), 0, pnp_device);
}
static NTSTATUS build_device_relations(DEVICE_RELATIONS **devices)
{
int i;
struct pnp_device *ptr;
EnterCriticalSection(&device_list_cs);
*devices = ExAllocatePool(PagedPool, offsetof(DEVICE_RELATIONS, Objects[list_count(&pnp_devset)]));
if (!*devices)
{
LeaveCriticalSection(&device_list_cs);
return STATUS_INSUFFICIENT_RESOURCES;
}
i = 0;
LIST_FOR_EACH_ENTRY(ptr, &pnp_devset, struct pnp_device, entry)
{
(*devices)->Objects[i] = ptr->device;
call_fastcall_func1(ObfReferenceObject, ptr->device);
i++;
}
LeaveCriticalSection(&device_list_cs);
(*devices)->Count = i;
return STATUS_SUCCESS;
}
static NTSTATUS handle_IRP_MN_QUERY_DEVICE_RELATIONS(IRP *irp)
{
NTSTATUS status = irp->IoStatus.u.Status;
IO_STACK_LOCATION *irpsp = IoGetCurrentIrpStackLocation( irp );
TRACE("IRP_MN_QUERY_DEVICE_RELATIONS\n");
switch (irpsp->Parameters.QueryDeviceRelations.Type)
{
case EjectionRelations:
case RemovalRelations:
case TargetDeviceRelation:
case PowerRelations:
FIXME("Unhandled Device Relation %x\n",irpsp->Parameters.QueryDeviceRelations.Type);
break;
case BusRelations:
status = build_device_relations((DEVICE_RELATIONS**)&irp->IoStatus.Information);
break;
default:
FIXME("Unknown Device Relation %x\n",irpsp->Parameters.QueryDeviceRelations.Type);
break;
}
return status;
}
static NTSTATUS handle_IRP_MN_QUERY_ID(DEVICE_OBJECT *device, IRP *irp)
{
NTSTATUS status = irp->IoStatus.u.Status;
IO_STACK_LOCATION *irpsp = IoGetCurrentIrpStackLocation( irp );
BUS_QUERY_ID_TYPE type = irpsp->Parameters.QueryId.IdType;
TRACE("(%p, %p)\n", device, irp);
switch (type)
{
case BusQueryHardwareIDs:
TRACE("BusQueryHardwareIDs\n");
irp->IoStatus.Information = (ULONG_PTR)get_compatible_ids(device);
break;
case BusQueryCompatibleIDs:
TRACE("BusQueryCompatibleIDs\n");
irp->IoStatus.Information = (ULONG_PTR)get_compatible_ids(device);
break;
case BusQueryDeviceID:
TRACE("BusQueryDeviceID\n");
irp->IoStatus.Information = (ULONG_PTR)get_device_id(device);
break;
case BusQueryInstanceID:
TRACE("BusQueryInstanceID\n");
irp->IoStatus.Information = (ULONG_PTR)get_instance_id(device);
break;
default:
FIXME("Unhandled type %08x\n", type);
return status;
}
status = irp->IoStatus.Information ? STATUS_SUCCESS : STATUS_NO_MEMORY;
return status;
}
static NTSTATUS mouse_get_reportdescriptor(DEVICE_OBJECT *device, BYTE *buffer, DWORD length, DWORD *ret_length)
{
TRACE("buffer %p, length %u.\n", buffer, length);
*ret_length = sizeof(REPORT_HEADER) + sizeof(REPORT_TAIL);
if (length < sizeof(REPORT_HEADER) + sizeof(REPORT_TAIL))
return STATUS_BUFFER_TOO_SMALL;
memcpy(buffer, REPORT_HEADER, sizeof(REPORT_HEADER));
memcpy(buffer + sizeof(REPORT_HEADER), REPORT_TAIL, sizeof(REPORT_TAIL));
buffer[IDX_HEADER_PAGE] = HID_USAGE_PAGE_GENERIC;
buffer[IDX_HEADER_USAGE] = HID_USAGE_GENERIC_MOUSE;
return STATUS_SUCCESS;
}
static NTSTATUS mouse_get_string(DEVICE_OBJECT *device, DWORD index, WCHAR *buffer, DWORD length)
{
static const WCHAR nameW[] = {'W','i','n','e',' ','H','I','D',' ','m','o','u','s','e',0};
if (index != HID_STRING_ID_IPRODUCT)
return STATUS_NOT_IMPLEMENTED;
if (length < ARRAY_SIZE(nameW))
return STATUS_BUFFER_TOO_SMALL;
strcpyW(buffer, nameW);
return STATUS_SUCCESS;
}
static NTSTATUS mouse_begin_report_processing(DEVICE_OBJECT *device)
{
return STATUS_SUCCESS;
}
static NTSTATUS mouse_set_output_report(DEVICE_OBJECT *device, UCHAR id, BYTE *report, DWORD length, ULONG_PTR *ret_length)
{
FIXME("id %u, stub!\n", id);
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS mouse_get_feature_report(DEVICE_OBJECT *device, UCHAR id, BYTE *report, DWORD length, ULONG_PTR *ret_length)
{
FIXME("id %u, stub!\n", id);
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS mouse_set_feature_report(DEVICE_OBJECT *device, UCHAR id, BYTE *report, DWORD length, ULONG_PTR *ret_length)
{
FIXME("id %u, stub!\n", id);
return STATUS_NOT_IMPLEMENTED;
}
static const platform_vtbl mouse_vtbl =
{
.get_reportdescriptor = mouse_get_reportdescriptor,
.get_string = mouse_get_string,
.begin_report_processing = mouse_begin_report_processing,
.set_output_report = mouse_set_output_report,
.get_feature_report = mouse_get_feature_report,
.set_feature_report = mouse_set_feature_report,
};
static void mouse_device_create(void)
{
static const WCHAR busidW[] = {'W','I','N','E','M','O','U','S','E',0};
mouse_obj = bus_create_hid_device(busidW, 0, 0, -1, 0, 0, busidW, FALSE, &mouse_vtbl, 0);
IoInvalidateDeviceRelations(bus_pdo, BusRelations);
}
static NTSTATUS fdo_pnp_dispatch(DEVICE_OBJECT *device, IRP *irp)
{
static const WCHAR SDL_enabledW[] = {'E','n','a','b','l','e',' ','S','D','L',0};
static const UNICODE_STRING SDL_enabled = {sizeof(SDL_enabledW) - sizeof(WCHAR), sizeof(SDL_enabledW), (WCHAR*)SDL_enabledW};
IO_STACK_LOCATION *irpsp = IoGetCurrentIrpStackLocation(irp);
NTSTATUS ret;
switch (irpsp->MinorFunction)
{
case IRP_MN_QUERY_DEVICE_RELATIONS:
irp->IoStatus.u.Status = handle_IRP_MN_QUERY_DEVICE_RELATIONS(irp);
break;
case IRP_MN_START_DEVICE:
mouse_device_create();
if (check_bus_option(&SDL_enabled, 1))
{
if (sdl_driver_init() == STATUS_SUCCESS)
{
irp->IoStatus.u.Status = STATUS_SUCCESS;
break;
}
}
udev_driver_init();
iohid_driver_init();
irp->IoStatus.u.Status = STATUS_SUCCESS;
break;
case IRP_MN_SURPRISE_REMOVAL:
irp->IoStatus.u.Status = STATUS_SUCCESS;
break;
case IRP_MN_REMOVE_DEVICE:
udev_driver_unload();
iohid_driver_unload();
sdl_driver_unload();
irp->IoStatus.u.Status = STATUS_SUCCESS;
IoSkipCurrentIrpStackLocation(irp);
ret = IoCallDriver(bus_pdo, irp);
IoDetachDevice(bus_pdo);
IoDeleteDevice(device);
return ret;
default:
FIXME("Unhandled minor function %#x.\n", irpsp->MinorFunction);
}
IoSkipCurrentIrpStackLocation(irp);
return IoCallDriver(bus_pdo, irp);
}
static NTSTATUS pdo_pnp_dispatch(DEVICE_OBJECT *device, IRP *irp)
{
NTSTATUS status = irp->IoStatus.u.Status;
IO_STACK_LOCATION *irpsp = IoGetCurrentIrpStackLocation(irp);
switch (irpsp->MinorFunction)
{
case IRP_MN_QUERY_ID:
TRACE("IRP_MN_QUERY_ID\n");
status = handle_IRP_MN_QUERY_ID(device, irp);
irp->IoStatus.u.Status = status;
break;
case IRP_MN_QUERY_CAPABILITIES:
TRACE("IRP_MN_QUERY_CAPABILITIES\n");
break;
default:
FIXME("Unhandled function %08x\n", irpsp->MinorFunction);
break;
}
IoCompleteRequest(irp, IO_NO_INCREMENT);
return status;
}
static NTSTATUS WINAPI common_pnp_dispatch(DEVICE_OBJECT *device, IRP *irp)
{
if (device == bus_fdo)
return fdo_pnp_dispatch(device, irp);
return pdo_pnp_dispatch(device, irp);
}
static NTSTATUS deliver_last_report(struct device_extension *ext, DWORD buffer_length, BYTE* buffer, ULONG_PTR *out_length)
{
if (buffer_length < ext->last_report_size)
{
*out_length = 0;
return STATUS_BUFFER_TOO_SMALL;
}
else
{
if (ext->last_report)
memcpy(buffer, ext->last_report, ext->last_report_size);
*out_length = ext->last_report_size;
return STATUS_SUCCESS;
}
}
static NTSTATUS hid_get_native_string(DEVICE_OBJECT *device, DWORD index, WCHAR *buffer, DWORD length)
{
struct device_extension *ext = (struct device_extension *)device->DeviceExtension;
const struct product_desc *vendor_products;
unsigned int i, vendor_products_size = 0;
if (ext->vid == VID_MICROSOFT)
{
vendor_products = XBOX_CONTROLLERS;
vendor_products_size = ARRAY_SIZE(XBOX_CONTROLLERS);
}
for (i = 0; i < vendor_products_size; i++)
{
if (ext->pid == vendor_products[i].pid)
break;
}
if (i >= vendor_products_size)
return STATUS_UNSUCCESSFUL;
switch (index)
{
case HID_STRING_ID_IPRODUCT:
if (vendor_products[i].product)
{
strcpyW(buffer, vendor_products[i].product);
return STATUS_SUCCESS;
}
break;
case HID_STRING_ID_IMANUFACTURER:
if (vendor_products[i].manufacturer)
{
strcpyW(buffer, vendor_products[i].manufacturer);
return STATUS_SUCCESS;
}
break;
case HID_STRING_ID_ISERIALNUMBER:
if (vendor_products[i].serialnumber)
{
strcpyW(buffer, vendor_products[i].serialnumber);
return STATUS_SUCCESS;
}
break;
}
return STATUS_UNSUCCESSFUL;
}
static NTSTATUS WINAPI hid_internal_dispatch(DEVICE_OBJECT *device, IRP *irp)
{
NTSTATUS status = irp->IoStatus.u.Status;
IO_STACK_LOCATION *irpsp = IoGetCurrentIrpStackLocation(irp);
struct device_extension *ext = (struct device_extension *)device->DeviceExtension;
TRACE("(%p, %p)\n", device, irp);
if (device == bus_fdo)
{
IoSkipCurrentIrpStackLocation(irp);
return IoCallDriver(bus_pdo, irp);
}
switch (irpsp->Parameters.DeviceIoControl.IoControlCode)
{
case IOCTL_HID_GET_DEVICE_ATTRIBUTES:
{
HID_DEVICE_ATTRIBUTES *attr = (HID_DEVICE_ATTRIBUTES *)irp->UserBuffer;
TRACE("IOCTL_HID_GET_DEVICE_ATTRIBUTES\n");
if (irpsp->Parameters.DeviceIoControl.OutputBufferLength < sizeof(*attr))
{
irp->IoStatus.u.Status = status = STATUS_BUFFER_TOO_SMALL;
break;
}
memset(attr, 0, sizeof(*attr));
attr->Size = sizeof(*attr);
attr->VendorID = ext->vid;
attr->ProductID = ext->pid;
attr->VersionNumber = ext->version;
irp->IoStatus.u.Status = status = STATUS_SUCCESS;
irp->IoStatus.Information = sizeof(*attr);
break;
}
case IOCTL_HID_GET_DEVICE_DESCRIPTOR:
{
HID_DESCRIPTOR *descriptor = (HID_DESCRIPTOR *)irp->UserBuffer;
DWORD length;
TRACE("IOCTL_HID_GET_DEVICE_DESCRIPTOR\n");
if (irpsp->Parameters.DeviceIoControl.OutputBufferLength < sizeof(*descriptor))
{
irp->IoStatus.u.Status = status = STATUS_BUFFER_TOO_SMALL;
break;
}
status = ext->vtbl->get_reportdescriptor(device, NULL, 0, &length);
if (status != STATUS_SUCCESS && status != STATUS_BUFFER_TOO_SMALL)
{
WARN("Failed to get platform report descriptor length\n");
irp->IoStatus.u.Status = status;
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.u.Status = status = STATUS_SUCCESS;
irp->IoStatus.Information = sizeof(*descriptor);
break;
}
case IOCTL_HID_GET_REPORT_DESCRIPTOR:
{
DWORD length = irpsp->Parameters.DeviceIoControl.OutputBufferLength;
TRACE("IOCTL_HID_GET_REPORT_DESCRIPTOR\n");
irp->IoStatus.u.Status = status = ext->vtbl->get_reportdescriptor(device, irp->UserBuffer, length, &length);
irp->IoStatus.Information = length;
break;
}
case IOCTL_HID_GET_STRING:
{
DWORD length = irpsp->Parameters.DeviceIoControl.OutputBufferLength / sizeof(WCHAR);
DWORD index = (ULONG_PTR)irpsp->Parameters.DeviceIoControl.Type3InputBuffer;
TRACE("IOCTL_HID_GET_STRING[%08x]\n", index);
irp->IoStatus.u.Status = status = hid_get_native_string(device, index, (WCHAR *)irp->UserBuffer, length);
if (status != STATUS_SUCCESS)
irp->IoStatus.u.Status = status = ext->vtbl->get_string(device, index, (WCHAR *)irp->UserBuffer, length);
if (status == STATUS_SUCCESS)
irp->IoStatus.Information = (strlenW((WCHAR *)irp->UserBuffer) + 1) * sizeof(WCHAR);
break;
}
case IOCTL_HID_GET_INPUT_REPORT:
{
HID_XFER_PACKET *packet = (HID_XFER_PACKET*)(irp->UserBuffer);
TRACE_(hid_report)("IOCTL_HID_GET_INPUT_REPORT\n");
EnterCriticalSection(&ext->report_cs);
status = ext->vtbl->begin_report_processing(device);
if (status != STATUS_SUCCESS)
{
irp->IoStatus.u.Status = status;
LeaveCriticalSection(&ext->report_cs);
break;
}
irp->IoStatus.u.Status = status = deliver_last_report(ext,
packet->reportBufferLen, packet->reportBuffer,
&irp->IoStatus.Information);
if (status == STATUS_SUCCESS)
packet->reportBufferLen = irp->IoStatus.Information;
LeaveCriticalSection(&ext->report_cs);
break;
}
case IOCTL_HID_READ_REPORT:
{
TRACE_(hid_report)("IOCTL_HID_READ_REPORT\n");
EnterCriticalSection(&ext->report_cs);
status = ext->vtbl->begin_report_processing(device);
if (status != STATUS_SUCCESS)
{
irp->IoStatus.u.Status = status;
LeaveCriticalSection(&ext->report_cs);
break;
}
if (!ext->last_report_read)
{
irp->IoStatus.u.Status = status = deliver_last_report(ext,
irpsp->Parameters.DeviceIoControl.OutputBufferLength,
irp->UserBuffer, &irp->IoStatus.Information);
ext->last_report_read = TRUE;
}
else
{
InsertTailList(&ext->irp_queue, &irp->Tail.Overlay.s.ListEntry);
status = STATUS_PENDING;
}
LeaveCriticalSection(&ext->report_cs);
break;
}
case IOCTL_HID_SET_OUTPUT_REPORT:
case IOCTL_HID_WRITE_REPORT:
{
HID_XFER_PACKET *packet = (HID_XFER_PACKET*)(irp->UserBuffer);
TRACE_(hid_report)("IOCTL_HID_WRITE_REPORT / IOCTL_HID_SET_OUTPUT_REPORT\n");
irp->IoStatus.u.Status = status = ext->vtbl->set_output_report(
device, packet->reportId, packet->reportBuffer,
packet->reportBufferLen, &irp->IoStatus.Information);
break;
}
case IOCTL_HID_GET_FEATURE:
{
HID_XFER_PACKET *packet = (HID_XFER_PACKET*)(irp->UserBuffer);
TRACE_(hid_report)("IOCTL_HID_GET_FEATURE\n");
irp->IoStatus.u.Status = status = ext->vtbl->get_feature_report(
device, packet->reportId, packet->reportBuffer,
packet->reportBufferLen, &irp->IoStatus.Information);
packet->reportBufferLen = irp->IoStatus.Information;
break;
}
case IOCTL_HID_SET_FEATURE:
{
HID_XFER_PACKET *packet = (HID_XFER_PACKET*)(irp->UserBuffer);
TRACE_(hid_report)("IOCTL_HID_SET_FEATURE\n");
irp->IoStatus.u.Status = status = ext->vtbl->set_feature_report(
device, packet->reportId, packet->reportBuffer,
packet->reportBufferLen, &irp->IoStatus.Information);
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);
break;
}
}
if (status != STATUS_PENDING)
IoCompleteRequest(irp, IO_NO_INCREMENT);
return status;
}
void process_hid_report(DEVICE_OBJECT *device, BYTE *report, DWORD length)
{
struct device_extension *ext = (struct device_extension*)device->DeviceExtension;
IRP *irp;
LIST_ENTRY *entry;
if (!length || !report)
return;
EnterCriticalSection(&ext->report_cs);
if (length > ext->buffer_size)
{
HeapFree(GetProcessHeap(), 0, ext->last_report);
ext->last_report = HeapAlloc(GetProcessHeap(), 0, length);
if (!ext->last_report)
{
ERR_(hid_report)("Failed to alloc last report\n");
ext->buffer_size = 0;
ext->last_report_size = 0;
ext->last_report_read = TRUE;
LeaveCriticalSection(&ext->report_cs);
return;
}
else
ext->buffer_size = length;
}
memcpy(ext->last_report, report, length);
ext->last_report_size = length;
ext->last_report_read = FALSE;
while ((entry = RemoveHeadList(&ext->irp_queue)) != &ext->irp_queue)
{
IO_STACK_LOCATION *irpsp;
TRACE_(hid_report)("Processing Request\n");
irp = CONTAINING_RECORD(entry, IRP, Tail.Overlay.s.ListEntry);
irpsp = IoGetCurrentIrpStackLocation(irp);
irp->IoStatus.u.Status = deliver_last_report(ext,
irpsp->Parameters.DeviceIoControl.OutputBufferLength,
irp->UserBuffer, &irp->IoStatus.Information);
ext->last_report_read = TRUE;
IoCompleteRequest(irp, IO_NO_INCREMENT);
}
LeaveCriticalSection(&ext->report_cs);
}
DWORD check_bus_option(const UNICODE_STRING *option, DWORD default_value)
{
char buffer[FIELD_OFFSET(KEY_VALUE_PARTIAL_INFORMATION, Data[sizeof(DWORD)])];
KEY_VALUE_PARTIAL_INFORMATION *info = (KEY_VALUE_PARTIAL_INFORMATION*)buffer;
DWORD size;
if (NtQueryValueKey(driver_key, option, KeyValuePartialInformation, info, sizeof(buffer), &size) == STATUS_SUCCESS)
{
if (info->Type == REG_DWORD)
return *(DWORD*)info->Data;
}
return default_value;
}
BOOL is_xbox_gamepad(WORD vid, WORD pid)
{
int i;
if (vid != VID_MICROSOFT)
return FALSE;
for (i = 0; i < ARRAY_SIZE(XBOX_CONTROLLERS); i++)
if (pid == XBOX_CONTROLLERS[i].pid) return TRUE;
return FALSE;
}
static NTSTATUS WINAPI driver_add_device(DRIVER_OBJECT *driver, DEVICE_OBJECT *pdo)
{
NTSTATUS ret;
TRACE("driver %p, pdo %p.\n", driver, pdo);
if ((ret = IoCreateDevice(driver, 0, NULL, FILE_DEVICE_BUS_EXTENDER, 0, FALSE, &bus_fdo)))
{
ERR("Failed to create FDO, status %#x.\n", ret);
return ret;
}
IoAttachDeviceToDeviceStack(bus_fdo, pdo);
bus_pdo = pdo;
bus_fdo->Flags &= ~DO_DEVICE_INITIALIZING;
return STATUS_SUCCESS;
}
static void WINAPI driver_unload(DRIVER_OBJECT *driver)
{
NtClose(driver_key);
}
NTSTATUS WINAPI DriverEntry( DRIVER_OBJECT *driver, UNICODE_STRING *path )
{
OBJECT_ATTRIBUTES attr = {0};
NTSTATUS ret;
TRACE( "(%p, %s)\n", driver, debugstr_w(path->Buffer) );
attr.Length = sizeof(attr);
attr.ObjectName = path;
attr.Attributes = OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE;
if ((ret = NtOpenKey(&driver_key, KEY_ALL_ACCESS, &attr)) != STATUS_SUCCESS)
ERR("Failed to open driver key, status %#x.\n", ret);
driver_obj = driver;
driver->MajorFunction[IRP_MJ_PNP] = common_pnp_dispatch;
driver->MajorFunction[IRP_MJ_INTERNAL_DEVICE_CONTROL] = hid_internal_dispatch;
driver->DriverExtension->AddDevice = driver_add_device;
driver->DriverUnload = driver_unload;
return STATUS_SUCCESS;
}
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