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winebus.sys: Handle linux input event device via udev. 

Signed-off-by: Aric Stewart <aric@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Aric Stewart 2018-02-01 11:36:04 -06:00 committed by Alexandre Julliard
parent 1e945155f9
commit 41d46f7461
3 changed files with 219 additions and 8 deletions
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6
dlls/winebus.sys/bus.h
View File

@ -16,6 +16,8 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
typedef int(*enum_func)(DEVICE_OBJECT *device, void *context);
/* Busses */
NTSTATUS WINAPI udev_driver_init(DRIVER_OBJECT *driver, UNICODE_STRING *registry_path) DECLSPEC_HIDDEN;
NTSTATUS WINAPI iohid_driver_init(DRIVER_OBJECT *driver, UNICODE_STRING *registry_path) DECLSPEC_HIDDEN;
@ -43,3 +45,7 @@ DEVICE_OBJECT *bus_find_hid_device(const platform_vtbl *vtbl, void *platform_dev
void bus_remove_hid_device(DEVICE_OBJECT *device) DECLSPEC_HIDDEN;
NTSTATUS WINAPI hid_internal_dispatch(DEVICE_OBJECT *device, IRP *irp) DECLSPEC_HIDDEN;
void process_hid_report(DEVICE_OBJECT *device, BYTE *report, DWORD length) DECLSPEC_HIDDEN;
DEVICE_OBJECT* bus_enumerate_hid_devices(const platform_vtbl *vtbl, enum_func function, void* context) DECLSPEC_HIDDEN;
/* General Bus Functions */
DWORD check_bus_option(UNICODE_STRING *registry_path, const UNICODE_STRING *option, DWORD default_value) DECLSPEC_HIDDEN;

173
dlls/winebus.sys/bus_udev.c
View File

@ -42,6 +42,14 @@
# include <sys/ioctl.h>
#endif
#ifdef HAVE_LINUX_INPUT_H
# include <linux/input.h>
# undef SW_MAX
# if defined(EVIOCGBIT) && defined(EV_ABS) && defined(BTN_PINKIE)
# define HAS_PROPER_INPUT_HEADER
# endif
#endif
#define NONAMELESSUNION
#include "ntstatus.h"
@ -65,11 +73,15 @@ WINE_DECLARE_DEBUG_CHANNEL(hid_report);
static struct udev *udev_context = NULL;
static DRIVER_OBJECT *udev_driver_obj = NULL;
static DWORD disable_hidraw = 0;
static DWORD disable_input = 0;
static const WCHAR hidraw_busidW[] = {'H','I','D','R','A','W',0};
static const WCHAR lnxev_busidW[] = {'L','N','X','E','V',0};
#include "initguid.h"
DEFINE_GUID(GUID_DEVCLASS_HIDRAW, 0x3def44ad,0x242e,0x46e5,0x82,0x6d,0x70,0x72,0x13,0xf3,0xaa,0x81);
DEFINE_GUID(GUID_DEVCLASS_LINUXEVENT, 0x1b932c0d,0xfea7,0x42cd,0x8e,0xaa,0x0e,0x48,0x79,0xb6,0x9e,0xaa);
struct platform_private
{
@ -392,14 +404,66 @@ static const platform_vtbl hidraw_vtbl =
hidraw_set_feature_report,
};
#ifdef HAS_PROPER_INPUT_HEADER
static NTSTATUS lnxev_get_reportdescriptor(DEVICE_OBJECT *device, BYTE *buffer, DWORD length, DWORD *out_length)
{
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS lnxev_get_string(DEVICE_OBJECT *device, DWORD index, WCHAR *buffer, DWORD length)
{
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS lnxev_begin_report_processing(DEVICE_OBJECT *device)
{
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS lnxev_set_output_report(DEVICE_OBJECT *device, UCHAR id, BYTE *report, DWORD length, ULONG_PTR *written)
{
*written = 0;
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS lnxev_get_feature_report(DEVICE_OBJECT *device, UCHAR id, BYTE *report, DWORD length, ULONG_PTR *read)
{
*read = 0;
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS lnxev_set_feature_report(DEVICE_OBJECT *device, UCHAR id, BYTE *report, DWORD length, ULONG_PTR *written)
{
*written = 0;
return STATUS_NOT_IMPLEMENTED;
}
static const platform_vtbl lnxev_vtbl = {
compare_platform_device,
lnxev_get_reportdescriptor,
lnxev_get_string,
lnxev_begin_report_processing,
lnxev_set_output_report,
lnxev_get_feature_report,
lnxev_set_feature_report,
};
#endif
static int check_same_device(DEVICE_OBJECT *device, void* context)
{
return !compare_platform_device(device, context);
}
static void try_add_device(struct udev_device *dev)
{
DWORD vid = 0, pid = 0, version = 0;
struct udev_device *usbdev;
struct udev_device *usbdev = NULL;
DEVICE_OBJECT *device = NULL;
const char *subsystem;
const char *devnode;
WCHAR *serial = NULL;
const char* gamepad = NULL;
int fd;
if (!(devnode = udev_device_get_devnode(dev)))
@ -411,24 +475,69 @@ static void try_add_device(struct udev_device *dev)
return;
}
subsystem = udev_device_get_subsystem(dev);
usbdev = udev_device_get_parent_with_subsystem_devtype(dev, "usb", "usb_device");
if (usbdev)
{
#ifdef HAS_PROPER_INPUT_HEADER
const platform_vtbl *other_vtbl = NULL;
DEVICE_OBJECT *dup = NULL;
if (strcmp(subsystem, "hidraw") == 0)
other_vtbl = &lnxev_vtbl;
else if (strcmp(subsystem, "input") == 0)
other_vtbl = &hidraw_vtbl;
if (other_vtbl)
dup = bus_enumerate_hid_devices(other_vtbl, check_same_device, dev);
if (dup)
{
TRACE("Duplicate cross bus device (%p) found, not adding the new one\n", dup);
close(fd);
return;
}
#endif
vid = get_sysattr_dword(usbdev, "idVendor", 16);
pid = get_sysattr_dword(usbdev, "idProduct", 16);
version = get_sysattr_dword(usbdev, "version", 10);
serial = get_sysattr_string(usbdev, "serial");
}
#ifdef HAS_PROPER_INPUT_HEADER
else
{
struct input_id device_id = {0};
char device_uid[255];
if (ioctl(fd, EVIOCGID, &device_id) < 0)
WARN("ioctl(EVIOCGID) failed: %d %s\n", errno, strerror(errno));
device_uid[0] = 0;
if (ioctl(fd, EVIOCGUNIQ(254), device_uid) >= 0 && device_uid[0])
serial = strdupAtoW(device_uid);
gamepad = udev_device_get_property_value(dev, "ID_INPUT_JOYSTICK");
vid = device_id.vendor;
pid = device_id.product;
version = device_id.version;
}
#else
else
WARN("Could not get device to query VID, PID, Version and Serial\n");
#endif
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, vid, pid, version, 0, serial, FALSE,
&GUID_DEVCLASS_HIDRAW, &hidraw_vtbl, sizeof(struct platform_private));
}
#ifdef HAS_PROPER_INPUT_HEADER
else if (strcmp(subsystem, "input") == 0)
{
device = bus_create_hid_device(udev_driver_obj, lnxev_busidW, vid, pid, version, 0, serial, (gamepad != NULL),
&GUID_DEVCLASS_LINUXEVENT, &lnxev_vtbl, sizeof(struct platform_private));
}
#endif
if (device)
{
@ -448,8 +557,14 @@ static void try_add_device(struct udev_device *dev)
static void try_remove_device(struct udev_device *dev)
{
DEVICE_OBJECT *device = bus_find_hid_device(&hidraw_vtbl, dev);
struct platform_private *private;
DEVICE_OBJECT *device = NULL;
struct platform_private* private;
device = bus_find_hid_device(&hidraw_vtbl, dev);
#ifdef HAS_PROPER_INPUT_HEADER
if (device == NULL)
device = bus_find_hid_device(&lnxev_vtbl, dev);
#endif
if (!device) return;
IoInvalidateDeviceRelations(device, RemovalRelations);
@ -483,8 +598,16 @@ static void build_initial_deviceset(void)
return;
}
if (udev_enumerate_add_match_subsystem(enumerate, "hidraw") < 0)
WARN("Failed to add subsystem 'hidraw' to enumeration\n");
if (!disable_hidraw)
if (udev_enumerate_add_match_subsystem(enumerate, "hidraw") < 0)
WARN("Failed to add subsystem 'hidraw' to enumeration\n");
#ifdef HAS_PROPER_INPUT_HEADER
if (!disable_input)
{
if (udev_enumerate_add_match_subsystem(enumerate, "input") < 0)
WARN("Failed to add subsystem 'input' to enumeration\n");
}
#endif
if (udev_enumerate_scan_devices(enumerate) < 0)
WARN("Enumeration scan failed\n");
@ -509,6 +632,7 @@ static void build_initial_deviceset(void)
static struct udev_monitor *create_monitor(struct pollfd *pfd)
{
struct udev_monitor *monitor;
int systems = 0;
monitor = udev_monitor_new_from_netlink(udev_context, "udev");
if (!monitor)
@ -517,8 +641,27 @@ static struct udev_monitor *create_monitor(struct pollfd *pfd)
return NULL;
}
if (udev_monitor_filter_add_match_subsystem_devtype(monitor, "hidraw", NULL) < 0)
WARN("Failed to add subsystem 'hidraw' to monitor\n");
if (!disable_hidraw)
{
if (udev_monitor_filter_add_match_subsystem_devtype(monitor, "hidraw", NULL) < 0)
WARN("Failed to add 'hidraw' subsystem to monitor\n");
else
systems++;
}
#ifdef HAS_PROPER_INPUT_HEADER
if (!disable_input)
{
if (udev_monitor_filter_add_match_subsystem_devtype(monitor, "input", NULL) < 0)
WARN("Failed to add 'input' subsystem to monitor\n");
else
systems++;
}
#endif
if (systems == 0)
{
WARN("No subsystems added to monitor\n");
goto error;
}
if (udev_monitor_enable_receiving(monitor) < 0)
goto error;
@ -589,6 +732,10 @@ NTSTATUS WINAPI udev_driver_init(DRIVER_OBJECT *driver, UNICODE_STRING *registry
{
HANDLE events[2];
DWORD result;
static const WCHAR hidraw_disabledW[] = {'D','i','s','a','b','l','e','H','i','d','r','a','w',0};
static const UNICODE_STRING hidraw_disabled = {sizeof(hidraw_disabledW) - sizeof(WCHAR), sizeof(hidraw_disabledW), (WCHAR*)hidraw_disabledW};
static const WCHAR input_disabledW[] = {'D','i','s','a','b','l','e','I','n','p','u','t',0};
static const UNICODE_STRING input_disabled = {sizeof(input_disabledW) - sizeof(WCHAR), sizeof(input_disabledW), (WCHAR*)input_disabledW};
TRACE("(%p, %s)\n", driver, debugstr_w(registry_path->Buffer));
@ -602,6 +749,16 @@ NTSTATUS WINAPI udev_driver_init(DRIVER_OBJECT *driver, UNICODE_STRING *registry
driver->MajorFunction[IRP_MJ_PNP] = common_pnp_dispatch;
driver->MajorFunction[IRP_MJ_INTERNAL_DEVICE_CONTROL] = hid_internal_dispatch;
disable_hidraw = check_bus_option(registry_path, &hidraw_disabled, 0);
if (disable_hidraw)
TRACE("UDEV hidraw devices disabled in registry\n");
#ifdef HAS_PROPER_INPUT_HEADER
disable_input = check_bus_option(registry_path, &input_disabled, 0);
if (disable_input)
TRACE("UDEV input devices disabled in registry\n");
#endif
if (!(events[0] = CreateEventW(NULL, TRUE, FALSE, NULL)))
goto error;
if (!(events[1] = CreateThread(NULL, 0, deviceloop_thread, events[0], 0, NULL)))

48
dlls/winebus.sys/main.c
View File

@ -287,6 +287,28 @@ DEVICE_OBJECT *bus_find_hid_device(const platform_vtbl *vtbl, void *platform_dev
return ret;
}
DEVICE_OBJECT* bus_enumerate_hid_devices(const platform_vtbl *vtbl, enum_func function, void* context)
{
struct pnp_device *dev;
DEVICE_OBJECT *ret = NULL;
TRACE("(%p)\n", vtbl);
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 (function(dev->device, context) == 0)
{
ret = dev->device;
break;
}
}
LeaveCriticalSection(&device_list_cs);
return ret;
}
void bus_remove_hid_device(DEVICE_OBJECT *device)
{
struct device_extension *ext = (struct device_extension *)device->DeviceExtension;
@ -625,6 +647,32 @@ void process_hid_report(DEVICE_OBJECT *device, BYTE *report, DWORD length)
LeaveCriticalSection(&ext->report_cs);
}
DWORD check_bus_option(UNICODE_STRING *registry_path, const UNICODE_STRING *option, DWORD default_value)
{
OBJECT_ATTRIBUTES attr;
HANDLE key;
DWORD output = default_value;
InitializeObjectAttributes(&attr, registry_path, OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE, NULL, NULL);
if (NtOpenKey(&key, KEY_ALL_ACCESS, &attr) == STATUS_SUCCESS)
{
DWORD size;
char buffer[FIELD_OFFSET(KEY_VALUE_PARTIAL_INFORMATION, Data[sizeof(DWORD)])];
KEY_VALUE_PARTIAL_INFORMATION *info = (KEY_VALUE_PARTIAL_INFORMATION*)buffer;
if (NtQueryValueKey(key, option, KeyValuePartialInformation, info, sizeof(buffer), &size) == STATUS_SUCCESS)
{
if (info->Type == REG_DWORD)
output = *(DWORD*)info->Data;
}
NtClose(key);
}
return output;
}
NTSTATUS WINAPI DriverEntry( DRIVER_OBJECT *driver, UNICODE_STRING *path )
{
static const WCHAR udevW[] = {'\\','D','r','i','v','e','r','\\','U','D','E','V',0};