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winebus.sys: Create bus devices. 

Signed-off-by: Aric Stewart <aric@codeweavers.com>
Signed-off-by: Sebastian Lackner <sebastian@fds-team.de>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Aric Stewart 2016-09-14 09:28:51 +02:00 committed by Alexandre Julliard
parent e316b40ca1
commit 159c2eb16e
4 changed files with 173 additions and 1 deletions
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2
dlls/winebus.sys/Makefile.in
View File

@ -1,5 +1,5 @@
MODULE = winebus.sys
IMPORTS = ntoskrnl
IMPORTS = ntoskrnl setupapi
EXTRALIBS = $(UDEV_LIBS)
EXTRAINCL = $(UDEV_CFLAGS)
EXTRADLLFLAGS = -Wb,--subsystem,native

3
dlls/winebus.sys/bus.h
View File

@ -21,3 +21,6 @@ NTSTATUS WINAPI udev_driver_init(DRIVER_OBJECT *driver, UNICODE_STRING *registry
/* HID Plug and Play Bus */
NTSTATUS WINAPI common_pnp_dispatch(DEVICE_OBJECT *device, IRP *irp) DECLSPEC_HIDDEN;
DEVICE_OBJECT *bus_create_hid_device(DRIVER_OBJECT *driver, const WCHAR *busidW, void *native, WORD vid,
WORD pid, DWORD version, DWORD uid, const WCHAR *serialW, BOOL is_gamepad,
const GUID *class) DECLSPEC_HIDDEN;

19
dlls/winebus.sys/bus_udev.c
View File

@ -50,6 +50,11 @@ WINE_DEFAULT_DEBUG_CHANNEL(plugplay);
static struct udev *udev_context = NULL;
static DRIVER_OBJECT *udev_driver_obj = NULL;
static const WCHAR hidraw_busidW[] = {'H','I','D','R','A','W',0};
#include "initguid.h"
DEFINE_GUID(GUID_DEVCLASS_HIDRAW, 0x3def44ad,0x242e,0x46e5,0x82,0x6d,0x70,0x72,0x13,0xf3,0xaa,0x81);
static DWORD get_sysattr_dword(struct udev_device *dev, const char *sysattr, int base)
{
const char *attr = udev_device_get_sysattr_value(dev, sysattr);
@ -81,6 +86,8 @@ static void try_add_device(struct udev_device *dev)
{
DWORD vid = 0, pid = 0, version = 0;
struct udev_device *usbdev;
DEVICE_OBJECT *device = NULL;
const char *subsystem;
const char *devnode;
WCHAR *serial = NULL;
int fd;
@ -107,6 +114,18 @@ static void try_add_device(struct udev_device *dev)
TRACE("Found udev device %s (vid %04x, pid %04x, version %u, serial %s)\n",
debugstr_a(devnode), vid, pid, version, debugstr_w(serial));
subsystem = udev_device_get_subsystem(dev);
if (strcmp(subsystem, "hidraw") == 0)
{
device = bus_create_hid_device(udev_driver_obj, hidraw_busidW, dev, vid, pid,
version, 0, serial, FALSE, &GUID_DEVCLASS_HIDRAW);
}
if (device)
udev_device_ref(dev);
else
WARN("Ignoring device %s with subsystem %s\n", debugstr_a(devnode), subsystem);
HeapFree(GetProcessHeap(), 0, serial);
}

150
dlls/winebus.sys/main.c
View File

@ -26,14 +26,164 @@
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "winternl.h"
#include "winreg.h"
#include "setupapi.h"
#include "ddk/wdm.h"
#include "wine/debug.h"
#include "wine/unicode.h"
#include "wine/list.h"
#include "bus.h"
WINE_DEFAULT_DEBUG_CHANNEL(plugplay);
struct pnp_device
{
struct list entry;
DEVICE_OBJECT *device;
};
struct device_extension
{
void *native; /* Must be the first member of the structure */
WORD vid, pid;
DWORD uid, version, index;
BOOL is_gamepad;
WCHAR *serial;
const WCHAR *busid; /* Expected to be a static constant */
};
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 imW[] = {'I','M',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;
}
static DWORD get_vidpid_index(WORD vid, WORD pid)
{
struct pnp_device *ptr;
DWORD index = 1;
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)
index = max(ext->index + 1, index);
}
return index;
}
static WCHAR *get_instance_id(DEVICE_OBJECT *device)
{
static const WCHAR formatW[] = {'%','s','\\','V','i','d','_','%','0','4','x','&', 'P','i','d','_','%','0','4','x','&',
'%','s','_','%','i','\\','%','i','&','%','s','&','%','x',0};
struct device_extension *ext = (struct device_extension *)device->DeviceExtension;
const WCHAR *serial = ext->serial ? ext->serial : zero_serialW;
DWORD len = strlenW(ext->busid) + strlenW(serial) + 64;
WCHAR *dst;
if ((dst = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR))))
sprintfW(dst, formatW, ext->busid, ext->vid, ext->pid, ext->is_gamepad ? igW : imW,
ext->index, ext->version, serial, ext->uid);
return dst;
}
DEVICE_OBJECT *bus_create_hid_device(DRIVER_OBJECT *driver, const WCHAR *busidW, void *native, WORD vid,
WORD pid, DWORD version, DWORD uid, const WCHAR *serialW, BOOL is_gamepad,
const GUID *class)
{
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];
HDEVINFO devinfo;
NTSTATUS status;
TRACE("(%p, %s, %p, %04x, %04x, %u, %u, %s, %u, %s)\n", driver, debugstr_w(busidW), native,
vid, pid, version, uid, debugstr_w(serialW), is_gamepad, debugstr_guid(class));
if (!(pnp_dev = HeapAlloc(GetProcessHeap(), 0, sizeof(*pnp_dev))))
return NULL;
sprintfW(dev_name, device_name_fmtW, busidW, native);
RtlInitUnicodeString(&nameW, dev_name);
status = IoCreateDevice(driver, sizeof(*ext), &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->native = native;
ext->vid = vid;
ext->pid = pid;
ext->uid = uid;
ext->version = version;
ext->index = get_vidpid_index(vid, pid);
ext->is_gamepad = is_gamepad;
ext->serial = strdupW(serialW);
ext->busid = busidW;
/* add to list of pnp devices */
pnp_dev->device = device;
list_add_tail(&pnp_devset, &pnp_dev->entry);
LeaveCriticalSection(&device_list_cs);
devinfo = SetupDiGetClassDevsW(class, NULL, NULL, DIGCF_DEVICEINTERFACE);
if (devinfo)
{
SP_DEVINFO_DATA data;
WCHAR *instance;
data.cbSize = sizeof(data);
if (!(instance = get_instance_id(device)))
ERR("failed to generate instance id\n");
else if (!SetupDiCreateDeviceInfoW(devinfo, instance, class, NULL, NULL, DICD_INHERIT_CLASSDRVS, &data))
ERR("failed to create device info: %x\n", GetLastError());
else if (!SetupDiRegisterDeviceInfo(devinfo, &data, 0, NULL, NULL, NULL))
ERR("failed to register device info: %x\n", GetLastError());
HeapFree(GetProcessHeap(), 0, instance);
SetupDiDestroyDeviceInfoList(devinfo);
}
else
ERR("failed to get ClassDevs: %x\n", GetLastError());
IoInvalidateDeviceRelations(device, BusRelations);
return device;
}
NTSTATUS WINAPI common_pnp_dispatch(DEVICE_OBJECT *device, IRP *irp)
{
NTSTATUS status = irp->IoStatus.u.Status;