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Kernel/HID: Add support for virtio input devices

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This commit is contained in:
Sönke Holz 2024-05-06 20:56:41 +02:00 committed by Andrew Kaster
parent 9c205537e1
commit 018a28cf4a
Notes: sideshowbarker 2024-07-17 11:34:34 +09:00 
Author: https://github.com/spholz
Commit: https://github.com/SerenityOS/serenity/commit/018a28cf4a
Pull-request: https://github.com/SerenityOS/serenity/pull/24254
Reviewed-by: https://github.com/ADKaster ✅
Reviewed-by: https://github.com/Hendiadyoin1
9 changed files with 1504 additions and 1 deletions
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1
Kernel/Bus/PCI/IDs.h
View file

@ -26,6 +26,7 @@ enum DeviceID {
VirtIOConsole = 0x1003,
VirtIOEntropy = 0x1005,
VirtIOGPU = 0x1050,
VirtIOInput = 0x1052,
};
}

6
Kernel/Bus/VirtIO/Transport/PCIe/Detect.cpp
View file

@ -11,6 +11,7 @@
#include <Kernel/Bus/PCI/IDs.h>
#include <Kernel/Bus/VirtIO/Device.h>
#include <Kernel/Bus/VirtIO/Transport/PCIe/Detect.h>
#include <Kernel/Devices/HID/VirtIO/Input.h>
#include <Kernel/Devices/Serial/VirtIO/Console.h>
#include <Kernel/Sections.h>
#include <Kernel/Security/Random/VirtIO/RNG.h>
@ -46,6 +47,11 @@ UNMAP_AFTER_INIT void detect_pci_instances()
// This should have been initialized by the storage subsystem
break;
}
case PCI::DeviceID::VirtIOInput: {
auto& input = Input::must_create_for_pci_instance(device_identifier).leak_ref();
MUST(input.initialize_virtio_resources());
break;
}
default:
dbgln_if(VIRTIO_DEBUG, "VirtIO: Unknown VirtIO device with ID: {}", device_identifier.hardware_id().device_id);
break;

6
Kernel/Bus/VirtIO/Transport/PCIe/TransportLink.cpp
View file

@ -31,6 +31,8 @@ StringView PCIeTransportLink::determine_device_class_name() const
return "VirtIOConsole"sv;
case 4:
return "VirtIORNG"sv;
case 18:
return "VirtIOInput"sv;
default:
dbgln("VirtIO: Unknown subsystem_device_id {}", subsystem_device_id);
VERIFY_NOT_REACHED();
@ -50,8 +52,10 @@ StringView PCIeTransportLink::determine_device_class_name() const
return "VirtIORNG"sv;
case PCI::DeviceID::VirtIOGPU:
return "VirtIOGPU"sv;
case PCI::DeviceID::VirtIOInput:
return "VirtIOInput"sv;
default:
dbgln("VirtIO: Unknown device_id {}", id.vendor_id);
dbgln("VirtIO: Unknown device_id {:#x}", id.device_id);
VERIFY_NOT_REACHED();
}
}

1
Kernel/CMakeLists.txt
View file

@ -73,6 +73,7 @@ set(KERNEL_SOURCES
Devices/HID/PS2/KeyboardDevice.cpp
Devices/HID/PS2/MouseDevice.cpp
Devices/HID/USB/MouseDevice.cpp
Devices/HID/VirtIO/Input.cpp
Devices/Generic/ConsoleDevice.cpp
Devices/Generic/DeviceControlDevice.cpp
Devices/Generic/FullDevice.cpp

988
Kernel/Devices/HID/VirtIO/EvDevDefinitions.h Normal file
View file

@ -0,0 +1,988 @@
/*-
* Copyright (c) 2016 Oleksandr Tymoshenko <gonzo@FreeBSD.org>
* Copyright (c) 2015-2016 Vladimir Kondratyev <wulf@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _EVDEV_INPUT_EVENT_CODES_H
#define _EVDEV_INPUT_EVENT_CODES_H
/*
* Device properties and quirks
*/
#define INPUT_PROP_POINTER 0x00 /* needs a pointer */
#define INPUT_PROP_DIRECT 0x01 /* direct input devices */
#define INPUT_PROP_BUTTONPAD 0x02 /* has button(s) under pad */
#define INPUT_PROP_SEMI_MT 0x03 /* touch rectangle only */
#define INPUT_PROP_TOPBUTTONPAD 0x04 /* softbuttons at top of pad */
#define INPUT_PROP_POINTING_STICK 0x05 /* is a pointing stick */
#define INPUT_PROP_ACCELEROMETER 0x06 /* has accelerometer */
#define INPUT_PROP_MAX 0x1f
#define INPUT_PROP_CNT (INPUT_PROP_MAX + 1)
/*
* Event types
*/
#define EV_SYN 0x00
#define EV_KEY 0x01
#define EV_REL 0x02
#define EV_ABS 0x03
#define EV_MSC 0x04
#define EV_SW 0x05
#define EV_LED 0x11
#define EV_SND 0x12
#define EV_REP 0x14
#define EV_FF 0x15
#define EV_PWR 0x16
#define EV_FF_STATUS 0x17
#define EV_MAX 0x1f
#define EV_CNT (EV_MAX+1)
/*
* Synchronization events.
*/
#define SYN_REPORT 0
#define SYN_CONFIG 1
#define SYN_MT_REPORT 2
#define SYN_DROPPED 3
#define SYN_MAX 0xf
#define SYN_CNT (SYN_MAX+1)
/*
* Keys and buttons
*
* Most of the keys/buttons are modeled after USB HUT 1.12
* (see http://www.usb.org/developers/hidpage).
* Abbreviations in the comments:
* AC - Application Control
* AL - Application Launch Button
* SC - System Control
*/
#define KEY_RESERVED 0
#define KEY_ESC 1
#define KEY_1 2
#define KEY_2 3
#define KEY_3 4
#define KEY_4 5
#define KEY_5 6
#define KEY_6 7
#define KEY_7 8
#define KEY_8 9
#define KEY_9 10
#define KEY_0 11
#define KEY_MINUS 12
#define KEY_EQUAL 13
#define KEY_BACKSPACE 14
#define KEY_TAB 15
#define KEY_Q 16
#define KEY_W 17
#define KEY_E 18
#define KEY_R 19
#define KEY_T 20
#define KEY_Y 21
#define KEY_U 22
#define KEY_I 23
#define KEY_O 24
#define KEY_P 25
#define KEY_LEFTBRACE 26
#define KEY_RIGHTBRACE 27
#define KEY_ENTER 28
#define KEY_LEFTCTRL 29
#define KEY_A 30
#define KEY_S 31
#define KEY_D 32
#define KEY_F 33
#define KEY_G 34
#define KEY_H 35
#define KEY_J 36
#define KEY_K 37
#define KEY_L 38
#define KEY_SEMICOLON 39
#define KEY_APOSTROPHE 40
#define KEY_GRAVE 41
#define KEY_LEFTSHIFT 42
#define KEY_BACKSLASH 43
#define KEY_Z 44
#define KEY_X 45
#define KEY_C 46
#define KEY_V 47
#define KEY_B 48
#define KEY_N 49
#define KEY_M 50
#define KEY_COMMA 51
#define KEY_DOT 52
#define KEY_SLASH 53
#define KEY_RIGHTSHIFT 54
#define KEY_KPASTERISK 55
#define KEY_LEFTALT 56
#define KEY_SPACE 57
#define KEY_CAPSLOCK 58
#define KEY_F1 59
#define KEY_F2 60
#define KEY_F3 61
#define KEY_F4 62
#define KEY_F5 63
#define KEY_F6 64
#define KEY_F7 65
#define KEY_F8 66
#define KEY_F9 67
#define KEY_F10 68
#define KEY_NUMLOCK 69
#define KEY_SCROLLLOCK 70
#define KEY_KP7 71
#define KEY_KP8 72
#define KEY_KP9 73
#define KEY_KPMINUS 74
#define KEY_KP4 75
#define KEY_KP5 76
#define KEY_KP6 77
#define KEY_KPPLUS 78
#define KEY_KP1 79
#define KEY_KP2 80
#define KEY_KP3 81
#define KEY_KP0 82
#define KEY_KPDOT 83
#define KEY_ZENKAKUHANKAKU 85
#define KEY_102ND 86
#define KEY_F11 87
#define KEY_F12 88
#define KEY_RO 89
#define KEY_KATAKANA 90
#define KEY_HIRAGANA 91
#define KEY_HENKAN 92
#define KEY_KATAKANAHIRAGANA 93
#define KEY_MUHENKAN 94
#define KEY_KPJPCOMMA 95
#define KEY_KPENTER 96
#define KEY_RIGHTCTRL 97
#define KEY_KPSLASH 98
#define KEY_SYSRQ 99
#define KEY_RIGHTALT 100
#define KEY_LINEFEED 101
#define KEY_HOME 102
#define KEY_UP 103
#define KEY_PAGEUP 104
#define KEY_LEFT 105
#define KEY_RIGHT 106
#define KEY_END 107
#define KEY_DOWN 108
#define KEY_PAGEDOWN 109
#define KEY_INSERT 110
#define KEY_DELETE 111
#define KEY_MACRO 112
#define KEY_MUTE 113
#define KEY_VOLUMEDOWN 114
#define KEY_VOLUMEUP 115
#define KEY_POWER 116 /* SC System Power Down */
#define KEY_KPEQUAL 117
#define KEY_KPPLUSMINUS 118
#define KEY_PAUSE 119
#define KEY_SCALE 120 /* AL Compiz Scale (Expose) */
#define KEY_KPCOMMA 121
#define KEY_HANGEUL 122
#define KEY_HANGUEL KEY_HANGEUL
#define KEY_HANJA 123
#define KEY_YEN 124
#define KEY_LEFTMETA 125
#define KEY_RIGHTMETA 126
#define KEY_COMPOSE 127
#define KEY_STOP 128 /* AC Stop */
#define KEY_AGAIN 129
#define KEY_PROPS 130 /* AC Properties */
#define KEY_UNDO 131 /* AC Undo */
#define KEY_FRONT 132
#define KEY_COPY 133 /* AC Copy */
#define KEY_OPEN 134 /* AC Open */
#define KEY_PASTE 135 /* AC Paste */
#define KEY_FIND 136 /* AC Search */
#define KEY_CUT 137 /* AC Cut */
#define KEY_HELP 138 /* AL Integrated Help Center */
#define KEY_MENU 139 /* Menu (show menu) */
#define KEY_CALC 140 /* AL Calculator */
#define KEY_SETUP 141
#define KEY_SLEEP 142 /* SC System Sleep */
#define KEY_WAKEUP 143 /* System Wake Up */
#define KEY_FILE 144 /* AL Local Machine Browser */
#define KEY_SENDFILE 145
#define KEY_DELETEFILE 146
#define KEY_XFER 147
#define KEY_PROG1 148
#define KEY_PROG2 149
#define KEY_WWW 150 /* AL Internet Browser */
#define KEY_MSDOS 151
#define KEY_COFFEE 152 /* AL Terminal Lock/Screensaver */
#define KEY_SCREENLOCK KEY_COFFEE
#define KEY_ROTATE_DISPLAY 153 /* Display orientation for e.g. tablets */
#define KEY_DIRECTION KEY_ROTATE_DISPLAY
#define KEY_CYCLEWINDOWS 154
#define KEY_MAIL 155
#define KEY_BOOKMARKS 156 /* AC Bookmarks */
#define KEY_COMPUTER 157
#define KEY_BACK 158 /* AC Back */
#define KEY_FORWARD 159 /* AC Forward */
#define KEY_CLOSECD 160
#define KEY_EJECTCD 161
#define KEY_EJECTCLOSECD 162
#define KEY_NEXTSONG 163
#define KEY_PLAYPAUSE 164
#define KEY_PREVIOUSSONG 165
#define KEY_STOPCD 166
#define KEY_RECORD 167
#define KEY_REWIND 168
#define KEY_PHONE 169 /* Media Select Telephone */
#define KEY_ISO 170
#define KEY_CONFIG 171 /* AL Consumer Control Configuration */
#define KEY_HOMEPAGE 172 /* AC Home */
#define KEY_REFRESH 173 /* AC Refresh */
#define KEY_EXIT 174 /* AC Exit */
#define KEY_MOVE 175
#define KEY_EDIT 176
#define KEY_SCROLLUP 177
#define KEY_SCROLLDOWN 178
#define KEY_KPLEFTPAREN 179
#define KEY_KPRIGHTPAREN 180
#define KEY_NEW 181 /* AC New */
#define KEY_REDO 182 /* AC Redo/Repeat */
#define KEY_F13 183
#define KEY_F14 184
#define KEY_F15 185
#define KEY_F16 186
#define KEY_F17 187
#define KEY_F18 188
#define KEY_F19 189
#define KEY_F20 190
#define KEY_F21 191
#define KEY_F22 192
#define KEY_F23 193
#define KEY_F24 194
#define KEY_PLAYCD 200
#define KEY_PAUSECD 201
#define KEY_PROG3 202
#define KEY_PROG4 203
#define KEY_ALL_APPLICATIONS 204 /* AC Desktop Show All Applications */
#define KEY_DASHBOARD KEY_ALL_APPLICATIONS
#define KEY_SUSPEND 205
#define KEY_CLOSE 206 /* AC Close */
#define KEY_PLAY 207
#define KEY_FASTFORWARD 208
#define KEY_BASSBOOST 209
#define KEY_PRINT 210 /* AC Print */
#define KEY_HP 211
#define KEY_CAMERA 212
#define KEY_SOUND 213
#define KEY_QUESTION 214
#define KEY_EMAIL 215
#define KEY_CHAT 216
#define KEY_SEARCH 217
#define KEY_CONNECT 218
#define KEY_FINANCE 219 /* AL Checkbook/Finance */
#define KEY_SPORT 220
#define KEY_SHOP 221
#define KEY_ALTERASE 222
#define KEY_CANCEL 223 /* AC Cancel */
#define KEY_BRIGHTNESSDOWN 224
#define KEY_BRIGHTNESSUP 225
#define KEY_MEDIA 226
#define KEY_SWITCHVIDEOMODE 227 /* Cycle between available video
outputs (Monitor/LCD/TV-out/etc) */
#define KEY_KBDILLUMTOGGLE 228
#define KEY_KBDILLUMDOWN 229
#define KEY_KBDILLUMUP 230
#define KEY_SEND 231 /* AC Send */
#define KEY_REPLY 232 /* AC Reply */
#define KEY_FORWARDMAIL 233 /* AC Forward Msg */
#define KEY_SAVE 234 /* AC Save */
#define KEY_DOCUMENTS 235
#define KEY_BATTERY 236
#define KEY_BLUETOOTH 237
#define KEY_WLAN 238
#define KEY_UWB 239
#define KEY_UNKNOWN 240
#define KEY_VIDEO_NEXT 241 /* drive next video source */
#define KEY_VIDEO_PREV 242 /* drive previous video source */
#define KEY_BRIGHTNESS_CYCLE 243 /* brightness up, after max is min */
#define KEY_BRIGHTNESS_AUTO 244 /* Set Auto Brightness: manual
brightness control is off,
rely on ambient */
#define KEY_BRIGHTNESS_ZERO KEY_BRIGHTNESS_AUTO
#define KEY_DISPLAY_OFF 245 /* display device to off state */
#define KEY_WWAN 246 /* Wireless WAN (LTE, UMTS, GSM, etc.) */
#define KEY_WIMAX KEY_WWAN
#define KEY_RFKILL 247 /* Key that controls all radios */
#define KEY_MICMUTE 248 /* Mute / unmute the microphone */
/* Code 255 is reserved for special needs of AT keyboard driver */
#define BTN_MISC 0x100
#define BTN_0 0x100
#define BTN_1 0x101
#define BTN_2 0x102
#define BTN_3 0x103
#define BTN_4 0x104
#define BTN_5 0x105
#define BTN_6 0x106
#define BTN_7 0x107
#define BTN_8 0x108
#define BTN_9 0x109
#define BTN_MOUSE 0x110
#define BTN_LEFT 0x110
#define BTN_RIGHT 0x111
#define BTN_MIDDLE 0x112
#define BTN_SIDE 0x113
#define BTN_EXTRA 0x114
#define BTN_FORWARD 0x115
#define BTN_BACK 0x116
#define BTN_TASK 0x117
#define BTN_JOYSTICK 0x120
#define BTN_TRIGGER 0x120
#define BTN_THUMB 0x121
#define BTN_THUMB2 0x122
#define BTN_TOP 0x123
#define BTN_TOP2 0x124
#define BTN_PINKIE 0x125
#define BTN_BASE 0x126
#define BTN_BASE2 0x127
#define BTN_BASE3 0x128
#define BTN_BASE4 0x129
#define BTN_BASE5 0x12a
#define BTN_BASE6 0x12b
#define BTN_DEAD 0x12f
#define BTN_GAMEPAD 0x130
#define BTN_SOUTH 0x130
#define BTN_A BTN_SOUTH
#define BTN_EAST 0x131
#define BTN_B BTN_EAST
#define BTN_C 0x132
#define BTN_NORTH 0x133
#define BTN_X BTN_NORTH
#define BTN_WEST 0x134
#define BTN_Y BTN_WEST
#define BTN_Z 0x135
#define BTN_TL 0x136
#define BTN_TR 0x137
#define BTN_TL2 0x138
#define BTN_TR2 0x139
#define BTN_SELECT 0x13a
#define BTN_START 0x13b
#define BTN_MODE 0x13c
#define BTN_THUMBL 0x13d
#define BTN_THUMBR 0x13e
#define BTN_DIGI 0x140
#define BTN_TOOL_PEN 0x140
#define BTN_TOOL_RUBBER 0x141
#define BTN_TOOL_BRUSH 0x142
#define BTN_TOOL_PENCIL 0x143
#define BTN_TOOL_AIRBRUSH 0x144
#define BTN_TOOL_FINGER 0x145
#define BTN_TOOL_MOUSE 0x146
#define BTN_TOOL_LENS 0x147
#define BTN_TOOL_QUINTTAP 0x148 /* Five fingers on trackpad */
#define BTN_STYLUS3 0x149
#define BTN_TOUCH 0x14a
#define BTN_STYLUS 0x14b
#define BTN_STYLUS2 0x14c
#define BTN_TOOL_DOUBLETAP 0x14d
#define BTN_TOOL_TRIPLETAP 0x14e
#define BTN_TOOL_QUADTAP 0x14f /* Four fingers on trackpad */
#define BTN_WHEEL 0x150
#define BTN_GEAR_DOWN 0x150
#define BTN_GEAR_UP 0x151
#define KEY_OK 0x160
#define KEY_SELECT 0x161
#define KEY_GOTO 0x162
#define KEY_CLEAR 0x163
#define KEY_POWER2 0x164
#define KEY_OPTION 0x165
#define KEY_INFO 0x166 /* AL OEM Features/Tips/Tutorial */
#define KEY_TIME 0x167
#define KEY_VENDOR 0x168
#define KEY_ARCHIVE 0x169
#define KEY_PROGRAM 0x16a /* Media Select Program Guide */
#define KEY_CHANNEL 0x16b
#define KEY_FAVORITES 0x16c
#define KEY_EPG 0x16d
#define KEY_PVR 0x16e /* Media Select Home */
#define KEY_MHP 0x16f
#define KEY_LANGUAGE 0x170
#define KEY_TITLE 0x171
#define KEY_SUBTITLE 0x172
#define KEY_ANGLE 0x173
#define KEY_FULL_SCREEN 0x174 /* AC View Toggle */
#define KEY_ZOOM KEY_FULL_SCREEN
#define KEY_MODE 0x175
#define KEY_KEYBOARD 0x176
#define KEY_ASPECT_RATIO 0x177 /* HUTRR37: Aspect */
#define KEY_SCREEN KEY_ASPECT_RATIO
#define KEY_PC 0x178 /* Media Select Computer */
#define KEY_TV 0x179 /* Media Select TV */
#define KEY_TV2 0x17a /* Media Select Cable */
#define KEY_VCR 0x17b /* Media Select VCR */
#define KEY_VCR2 0x17c /* VCR Plus */
#define KEY_SAT 0x17d /* Media Select Satellite */
#define KEY_SAT2 0x17e
#define KEY_CD 0x17f /* Media Select CD */
#define KEY_TAPE 0x180 /* Media Select Tape */
#define KEY_RADIO 0x181
#define KEY_TUNER 0x182 /* Media Select Tuner */
#define KEY_PLAYER 0x183
#define KEY_TEXT 0x184
#define KEY_DVD 0x185 /* Media Select DVD */
#define KEY_AUX 0x186
#define KEY_MP3 0x187
#define KEY_AUDIO 0x188 /* AL Audio Browser */
#define KEY_VIDEO 0x189 /* AL Movie Browser */
#define KEY_DIRECTORY 0x18a
#define KEY_LIST 0x18b
#define KEY_MEMO 0x18c /* Media Select Messages */
#define KEY_CALENDAR 0x18d
#define KEY_RED 0x18e
#define KEY_GREEN 0x18f
#define KEY_YELLOW 0x190
#define KEY_BLUE 0x191
#define KEY_CHANNELUP 0x192 /* Channel Increment */
#define KEY_CHANNELDOWN 0x193 /* Channel Decrement */
#define KEY_FIRST 0x194
#define KEY_LAST 0x195 /* Recall Last */
#define KEY_AB 0x196
#define KEY_NEXT 0x197
#define KEY_RESTART 0x198
#define KEY_SLOW 0x199
#define KEY_SHUFFLE 0x19a
#define KEY_BREAK 0x19b
#define KEY_PREVIOUS 0x19c
#define KEY_DIGITS 0x19d
#define KEY_TEEN 0x19e
#define KEY_TWEN 0x19f
#define KEY_VIDEOPHONE 0x1a0 /* Media Select Video Phone */
#define KEY_GAMES 0x1a1 /* Media Select Games */
#define KEY_ZOOMIN 0x1a2 /* AC Zoom In */
#define KEY_ZOOMOUT 0x1a3 /* AC Zoom Out */
#define KEY_ZOOMRESET 0x1a4 /* AC Zoom */
#define KEY_WORDPROCESSOR 0x1a5 /* AL Word Processor */
#define KEY_EDITOR 0x1a6 /* AL Text Editor */
#define KEY_SPREADSHEET 0x1a7 /* AL Spreadsheet */
#define KEY_GRAPHICSEDITOR 0x1a8 /* AL Graphics Editor */
#define KEY_PRESENTATION 0x1a9 /* AL Presentation App */
#define KEY_DATABASE 0x1aa /* AL Database App */
#define KEY_NEWS 0x1ab /* AL Newsreader */
#define KEY_VOICEMAIL 0x1ac /* AL Voicemail */
#define KEY_ADDRESSBOOK 0x1ad /* AL Contacts/Address Book */
#define KEY_MESSENGER 0x1ae /* AL Instant Messaging */
#define KEY_DISPLAYTOGGLE 0x1af /* Turn display (LCD) on and off */
#define KEY_BRIGHTNESS_TOGGLE KEY_DISPLAYTOGGLE
#define KEY_SPELLCHECK 0x1b0 /* AL Spell Check */
#define KEY_LOGOFF 0x1b1 /* AL Logoff */
#define KEY_DOLLAR 0x1b2
#define KEY_EURO 0x1b3
#define KEY_FRAMEBACK 0x1b4 /* Consumer - transport controls */
#define KEY_FRAMEFORWARD 0x1b5
#define KEY_CONTEXT_MENU 0x1b6 /* GenDesc - system context menu */
#define KEY_MEDIA_REPEAT 0x1b7 /* Consumer - transport control */
#define KEY_10CHANNELSUP 0x1b8 /* 10 channels up (10+) */
#define KEY_10CHANNELSDOWN 0x1b9 /* 10 channels down (10-) */
#define KEY_IMAGES 0x1ba /* AL Image Browser */
#define KEY_NOTIFICATION_CENTER 0x1bc /* Show/hide the notification center */
#define KEY_PICKUP_PHONE 0x1bd /* Answer incoming call */
#define KEY_HANGUP_PHONE 0x1be /* Decline incoming call */
#define KEY_DEL_EOL 0x1c0
#define KEY_DEL_EOS 0x1c1
#define KEY_INS_LINE 0x1c2
#define KEY_DEL_LINE 0x1c3
#define KEY_FN 0x1d0
#define KEY_FN_ESC 0x1d1
#define KEY_FN_F1 0x1d2
#define KEY_FN_F2 0x1d3
#define KEY_FN_F3 0x1d4
#define KEY_FN_F4 0x1d5
#define KEY_FN_F5 0x1d6
#define KEY_FN_F6 0x1d7
#define KEY_FN_F7 0x1d8
#define KEY_FN_F8 0x1d9
#define KEY_FN_F9 0x1da
#define KEY_FN_F10 0x1db
#define KEY_FN_F11 0x1dc
#define KEY_FN_F12 0x1dd
#define KEY_FN_1 0x1de
#define KEY_FN_2 0x1df
#define KEY_FN_D 0x1e0
#define KEY_FN_E 0x1e1
#define KEY_FN_F 0x1e2
#define KEY_FN_S 0x1e3
#define KEY_FN_B 0x1e4
#define KEY_FN_RIGHT_SHIFT 0x1e5
#define KEY_BRL_DOT1 0x1f1
#define KEY_BRL_DOT2 0x1f2
#define KEY_BRL_DOT3 0x1f3
#define KEY_BRL_DOT4 0x1f4
#define KEY_BRL_DOT5 0x1f5
#define KEY_BRL_DOT6 0x1f6
#define KEY_BRL_DOT7 0x1f7
#define KEY_BRL_DOT8 0x1f8
#define KEY_BRL_DOT9 0x1f9
#define KEY_BRL_DOT10 0x1fa
#define KEY_NUMERIC_0 0x200 /* used by phones, remote controls, */
#define KEY_NUMERIC_1 0x201 /* and other keypads */
#define KEY_NUMERIC_2 0x202
#define KEY_NUMERIC_3 0x203
#define KEY_NUMERIC_4 0x204
#define KEY_NUMERIC_5 0x205
#define KEY_NUMERIC_6 0x206
#define KEY_NUMERIC_7 0x207
#define KEY_NUMERIC_8 0x208
#define KEY_NUMERIC_9 0x209
#define KEY_NUMERIC_STAR 0x20a
#define KEY_NUMERIC_POUND 0x20b
#define KEY_NUMERIC_A 0x20c /* Phone key A - HUT Telephony 0xb9 */
#define KEY_NUMERIC_B 0x20d
#define KEY_NUMERIC_C 0x20e
#define KEY_NUMERIC_D 0x20f
#define KEY_CAMERA_FOCUS 0x210
#define KEY_WPS_BUTTON 0x211 /* WiFi Protected Setup key */
#define KEY_TOUCHPAD_TOGGLE 0x212 /* Request switch touchpad on or off */
#define KEY_TOUCHPAD_ON 0x213
#define KEY_TOUCHPAD_OFF 0x214
#define KEY_CAMERA_ZOOMIN 0x215
#define KEY_CAMERA_ZOOMOUT 0x216
#define KEY_CAMERA_UP 0x217
#define KEY_CAMERA_DOWN 0x218
#define KEY_CAMERA_LEFT 0x219
#define KEY_CAMERA_RIGHT 0x21a
#define KEY_ATTENDANT_ON 0x21b
#define KEY_ATTENDANT_OFF 0x21c
#define KEY_ATTENDANT_TOGGLE 0x21d /* Attendant call on or off */
#define KEY_LIGHTS_TOGGLE 0x21e /* Reading light on or off */
#define BTN_DPAD_UP 0x220
#define BTN_DPAD_DOWN 0x221
#define BTN_DPAD_LEFT 0x222
#define BTN_DPAD_RIGHT 0x223
#define KEY_ALS_TOGGLE 0x230 /* Ambient light sensor */
#define KEY_ROTATE_LOCK_TOGGLE 0x231 /* Display rotation lock */
#define KEY_BUTTONCONFIG 0x240 /* AL Button Configuration */
#define KEY_TASKMANAGER 0x241 /* AL Task/Project Manager */
#define KEY_JOURNAL 0x242 /* AL Log/Journal/Timecard */
#define KEY_CONTROLPANEL 0x243 /* AL Control Panel */
#define KEY_APPSELECT 0x244 /* AL Select Task/Application */
#define KEY_SCREENSAVER 0x245 /* AL Screen Saver */
#define KEY_VOICECOMMAND 0x246 /* Listening Voice Command */
#define KEY_ASSISTANT 0x247 /* AL Context-aware desktop assistant */
#define KEY_KBD_LAYOUT_NEXT 0x248 /* AC Next Keyboard Layout Select */
#define KEY_EMOJI_PICKER 0x249 /* Show/hide emoji picker (HUTRR101) */
#define KEY_DICTATE 0x24a /* Start or Stop Voice Dictation Session (HUTRR99) */
#define KEY_CAMERA_ACCESS_ENABLE 0x24b /* Enables programmatic access to camera devices. (HUTRR72) */
#define KEY_CAMERA_ACCESS_DISABLE 0x24c /* Disables programmatic access to camera devices. (HUTRR72) */
#define KEY_CAMERA_ACCESS_TOGGLE 0x24d /* Toggles the current state of the camera access control. (HUTRR72) */
#define KEY_BRIGHTNESS_MIN 0x250 /* Set Brightness to Minimum */
#define KEY_BRIGHTNESS_MAX 0x251 /* Set Brightness to Maximum */
#define KEY_KBDINPUTASSIST_PREV 0x260
#define KEY_KBDINPUTASSIST_NEXT 0x261
#define KEY_KBDINPUTASSIST_PREVGROUP 0x262
#define KEY_KBDINPUTASSIST_NEXTGROUP 0x263
#define KEY_KBDINPUTASSIST_ACCEPT 0x264
#define KEY_KBDINPUTASSIST_CANCEL 0x265
/* Diagonal movement keys */
#define KEY_RIGHT_UP 0x266
#define KEY_RIGHT_DOWN 0x267
#define KEY_LEFT_UP 0x268
#define KEY_LEFT_DOWN 0x269
#define KEY_ROOT_MENU 0x26a /* Show Device's Root Menu */
/* Show Top Menu of the Media (e.g. DVD) */
#define KEY_MEDIA_TOP_MENU 0x26b
#define KEY_NUMERIC_11 0x26c
#define KEY_NUMERIC_12 0x26d
/*
* Toggle Audio Description: refers to an audio service that helps blind and
* visually impaired consumers understand the action in a program. Note: in
* some countries this is referred to as "Video Description".
*/
#define KEY_AUDIO_DESC 0x26e
#define KEY_3D_MODE 0x26f
#define KEY_NEXT_FAVORITE 0x270
#define KEY_STOP_RECORD 0x271
#define KEY_PAUSE_RECORD 0x272
#define KEY_VOD 0x273 /* Video on Demand */
#define KEY_UNMUTE 0x274
#define KEY_FASTREVERSE 0x275
#define KEY_SLOWREVERSE 0x276
/*
* Control a data application associated with the currently viewed channel,
* e.g. teletext or data broadcast application (MHEG, MHP, HbbTV, etc.)
*/
#define KEY_DATA 0x277
#define KEY_ONSCREEN_KEYBOARD 0x278
/* Electronic privacy screen control */
#define KEY_PRIVACY_SCREEN_TOGGLE 0x279
/* Select an area of screen to be copied */
#define KEY_SELECTIVE_SCREENSHOT 0x27a
/* Move the focus to the next or previous user controllable element within a UI container */
#define KEY_NEXT_ELEMENT 0x27b
#define KEY_PREVIOUS_ELEMENT 0x27c
/* Toggle Autopilot engagement */
#define KEY_AUTOPILOT_ENGAGE_TOGGLE 0x27d
/* Shortcut Keys */
#define KEY_MARK_WAYPOINT 0x27e
#define KEY_SOS 0x27f
#define KEY_NAV_CHART 0x280
#define KEY_FISHING_CHART 0x281
#define KEY_SINGLE_RANGE_RADAR 0x282
#define KEY_DUAL_RANGE_RADAR 0x283
#define KEY_RADAR_OVERLAY 0x284
#define KEY_TRADITIONAL_SONAR 0x285
#define KEY_CLEARVU_SONAR 0x286
#define KEY_SIDEVU_SONAR 0x287
#define KEY_NAV_INFO 0x288
#define KEY_BRIGHTNESS_MENU 0x289
/*
* Some keyboards have keys which do not have a defined meaning, these keys
* are intended to be programmed / bound to macros by the user. For most
* keyboards with these macro-keys the key-sequence to inject, or action to
* take, is all handled by software on the host side. So from the kernel's
* point of view these are just normal keys.
*
* The KEY_MACRO# codes below are intended for such keys, which may be labeled
* e.g. G1-G18, or S1 - S30. The KEY_MACRO# codes MUST NOT be used for keys
* where the marking on the key does indicate a defined meaning / purpose.
*
* The KEY_MACRO# codes MUST also NOT be used as fallback for when no existing
* KEY_FOO define matches the marking / purpose. In this case a new KEY_FOO
* define MUST be added.
*/
#define KEY_MACRO1 0x290
#define KEY_MACRO2 0x291
#define KEY_MACRO3 0x292
#define KEY_MACRO4 0x293
#define KEY_MACRO5 0x294
#define KEY_MACRO6 0x295
#define KEY_MACRO7 0x296
#define KEY_MACRO8 0x297
#define KEY_MACRO9 0x298
#define KEY_MACRO10 0x299
#define KEY_MACRO11 0x29a
#define KEY_MACRO12 0x29b
#define KEY_MACRO13 0x29c
#define KEY_MACRO14 0x29d
#define KEY_MACRO15 0x29e
#define KEY_MACRO16 0x29f
#define KEY_MACRO17 0x2a0
#define KEY_MACRO18 0x2a1
#define KEY_MACRO19 0x2a2
#define KEY_MACRO20 0x2a3
#define KEY_MACRO21 0x2a4
#define KEY_MACRO22 0x2a5
#define KEY_MACRO23 0x2a6
#define KEY_MACRO24 0x2a7
#define KEY_MACRO25 0x2a8
#define KEY_MACRO26 0x2a9
#define KEY_MACRO27 0x2aa
#define KEY_MACRO28 0x2ab
#define KEY_MACRO29 0x2ac
#define KEY_MACRO30 0x2ad
/*
* Some keyboards with the macro-keys described above have some extra keys
* for controlling the host-side software responsible for the macro handling:
* -A macro recording start/stop key. Note that not all keyboards which emit
* KEY_MACRO_RECORD_START will also emit KEY_MACRO_RECORD_STOP if
* KEY_MACRO_RECORD_STOP is not advertised, then KEY_MACRO_RECORD_START
* should be interpreted as a recording start/stop toggle;
* -Keys for switching between different macro (pre)sets, either a key for
* cycling through the configured presets or keys to directly select a preset.
*/
#define KEY_MACRO_RECORD_START 0x2b0
#define KEY_MACRO_RECORD_STOP 0x2b1
#define KEY_MACRO_PRESET_CYCLE 0x2b2
#define KEY_MACRO_PRESET1 0x2b3
#define KEY_MACRO_PRESET2 0x2b4
#define KEY_MACRO_PRESET3 0x2b5
/*
* Some keyboards have a buildin LCD panel where the contents are controlled
* by the host. Often these have a number of keys directly below the LCD
* intended for controlling a menu shown on the LCD. These keys often don't
* have any labeling so we just name them KEY_KBD_LCD_MENU#
*/
#define KEY_KBD_LCD_MENU1 0x2b8
#define KEY_KBD_LCD_MENU2 0x2b9
#define KEY_KBD_LCD_MENU3 0x2ba
#define KEY_KBD_LCD_MENU4 0x2bb
#define KEY_KBD_LCD_MENU5 0x2bc
#define BTN_TRIGGER_HAPPY 0x2c0
#define BTN_TRIGGER_HAPPY1 0x2c0
#define BTN_TRIGGER_HAPPY2 0x2c1
#define BTN_TRIGGER_HAPPY3 0x2c2
#define BTN_TRIGGER_HAPPY4 0x2c3
#define BTN_TRIGGER_HAPPY5 0x2c4
#define BTN_TRIGGER_HAPPY6 0x2c5
#define BTN_TRIGGER_HAPPY7 0x2c6
#define BTN_TRIGGER_HAPPY8 0x2c7
#define BTN_TRIGGER_HAPPY9 0x2c8
#define BTN_TRIGGER_HAPPY10 0x2c9
#define BTN_TRIGGER_HAPPY11 0x2ca
#define BTN_TRIGGER_HAPPY12 0x2cb
#define BTN_TRIGGER_HAPPY13 0x2cc
#define BTN_TRIGGER_HAPPY14 0x2cd
#define BTN_TRIGGER_HAPPY15 0x2ce
#define BTN_TRIGGER_HAPPY16 0x2cf
#define BTN_TRIGGER_HAPPY17 0x2d0
#define BTN_TRIGGER_HAPPY18 0x2d1
#define BTN_TRIGGER_HAPPY19 0x2d2
#define BTN_TRIGGER_HAPPY20 0x2d3
#define BTN_TRIGGER_HAPPY21 0x2d4
#define BTN_TRIGGER_HAPPY22 0x2d5
#define BTN_TRIGGER_HAPPY23 0x2d6
#define BTN_TRIGGER_HAPPY24 0x2d7
#define BTN_TRIGGER_HAPPY25 0x2d8
#define BTN_TRIGGER_HAPPY26 0x2d9
#define BTN_TRIGGER_HAPPY27 0x2da
#define BTN_TRIGGER_HAPPY28 0x2db
#define BTN_TRIGGER_HAPPY29 0x2dc
#define BTN_TRIGGER_HAPPY30 0x2dd
#define BTN_TRIGGER_HAPPY31 0x2de
#define BTN_TRIGGER_HAPPY32 0x2df
#define BTN_TRIGGER_HAPPY33 0x2e0
#define BTN_TRIGGER_HAPPY34 0x2e1
#define BTN_TRIGGER_HAPPY35 0x2e2
#define BTN_TRIGGER_HAPPY36 0x2e3
#define BTN_TRIGGER_HAPPY37 0x2e4
#define BTN_TRIGGER_HAPPY38 0x2e5
#define BTN_TRIGGER_HAPPY39 0x2e6
#define BTN_TRIGGER_HAPPY40 0x2e7
/* We avoid low common keys in module aliases so they don't get huge. */
#define KEY_MIN_INTERESTING KEY_MUTE
#define KEY_MAX 0x2ff
#define KEY_CNT (KEY_MAX+1)
/*
* Relative axes
*/
#define REL_X 0x00
#define REL_Y 0x01
#define REL_Z 0x02
#define REL_RX 0x03
#define REL_RY 0x04
#define REL_RZ 0x05
#define REL_HWHEEL 0x06
#define REL_DIAL 0x07
#define REL_WHEEL 0x08
#define REL_MISC 0x09
/*
* 0x0a is reserved and should not be used in input drivers.
* It was used by HID as REL_MISC+1 and userspace needs to detect if
* the next REL_* event is correct or is just REL_MISC + n.
* We define here REL_RESERVED so userspace can rely on it and detect
* the situation described above.
*/
#define REL_RESERVED 0x0a
#define REL_WHEEL_HI_RES 0x0b
#define REL_HWHEEL_HI_RES 0x0c
#define REL_MAX 0x0f
#define REL_CNT (REL_MAX+1)
/*
* Absolute axes
*/
#define ABS_X 0x00
#define ABS_Y 0x01
#define ABS_Z 0x02
#define ABS_RX 0x03
#define ABS_RY 0x04
#define ABS_RZ 0x05
#define ABS_THROTTLE 0x06
#define ABS_RUDDER 0x07
#define ABS_WHEEL 0x08
#define ABS_GAS 0x09
#define ABS_BRAKE 0x0a
#define ABS_HAT0X 0x10
#define ABS_HAT0Y 0x11
#define ABS_HAT1X 0x12
#define ABS_HAT1Y 0x13
#define ABS_HAT2X 0x14
#define ABS_HAT2Y 0x15
#define ABS_HAT3X 0x16
#define ABS_HAT3Y 0x17
#define ABS_PRESSURE 0x18
#define ABS_DISTANCE 0x19
#define ABS_TILT_X 0x1a
#define ABS_TILT_Y 0x1b
#define ABS_TOOL_WIDTH 0x1c
#define ABS_VOLUME 0x20
#define ABS_PROFILE 0x21
#define ABS_MISC 0x28
/*
* 0x2e is reserved and should not be used in input drivers.
* It was used by HID as ABS_MISC+6 and userspace needs to detect if
* the next ABS_* event is correct or is just ABS_MISC + n.
* We define here ABS_RESERVED so userspace can rely on it and detect
* the situation described above.
*/
#define ABS_RESERVED 0x2e
#define ABS_MT_SLOT 0x2f /* MT slot being modified */
#define ABS_MT_TOUCH_MAJOR 0x30 /* Major axis of touching ellipse */
#define ABS_MT_TOUCH_MINOR 0x31 /* Minor axis (omit if circular) */
#define ABS_MT_WIDTH_MAJOR 0x32 /* Major axis of approaching ellipse */
#define ABS_MT_WIDTH_MINOR 0x33 /* Minor axis (omit if circular) */
#define ABS_MT_ORIENTATION 0x34 /* Ellipse orientation */
#define ABS_MT_POSITION_X 0x35 /* Center X touch position */
#define ABS_MT_POSITION_Y 0x36 /* Center Y touch position */
#define ABS_MT_TOOL_TYPE 0x37 /* Type of touching device */
#define ABS_MT_BLOB_ID 0x38 /* Group a set of packets as a blob */
#define ABS_MT_TRACKING_ID 0x39 /* Unique ID of initiated contact */
#define ABS_MT_PRESSURE 0x3a /* Pressure on contact area */
#define ABS_MT_DISTANCE 0x3b /* Contact hover distance */
#define ABS_MT_TOOL_X 0x3c /* Center X tool position */
#define ABS_MT_TOOL_Y 0x3d /* Center Y tool position */
#define ABS_MAX 0x3f
#define ABS_CNT (ABS_MAX+1)
/*
* Switch events
*/
#define SW_LID 0x00 /* set = lid shut */
#define SW_TABLET_MODE 0x01 /* set = tablet mode */
#define SW_HEADPHONE_INSERT 0x02 /* set = inserted */
#define SW_RFKILL_ALL 0x03 /* rfkill master switch, type "any"
set = radio enabled */
#define SW_RADIO SW_RFKILL_ALL /* deprecated */
#define SW_MICROPHONE_INSERT 0x04 /* set = inserted */
#define SW_DOCK 0x05 /* set = plugged into dock */
#define SW_LINEOUT_INSERT 0x06 /* set = inserted */
#define SW_JACK_PHYSICAL_INSERT 0x07 /* set = mechanical switch set */
#define SW_VIDEOOUT_INSERT 0x08 /* set = inserted */
#define SW_CAMERA_LENS_COVER 0x09 /* set = lens covered */
#define SW_KEYPAD_SLIDE 0x0a /* set = keypad slide out */
#define SW_FRONT_PROXIMITY 0x0b /* set = front proximity sensor active */
#define SW_ROTATE_LOCK 0x0c /* set = rotate locked/disabled */
#define SW_LINEIN_INSERT 0x0d /* set = inserted */
#define SW_MUTE_DEVICE 0x0e /* set = device disabled */
#define SW_PEN_INSERTED 0x0f /* set = pen inserted */
#define SW_MACHINE_COVER 0x10 /* set = cover closed */
#define SW_MAX 0x10
#define SW_CNT (SW_MAX+1)
/*
* Misc events
*/
#define MSC_SERIAL 0x00
#define MSC_PULSELED 0x01
#define MSC_GESTURE 0x02
#define MSC_RAW 0x03
#define MSC_SCAN 0x04
#define MSC_TIMESTAMP 0x05
#define MSC_MAX 0x07
#define MSC_CNT (MSC_MAX+1)
/*
* LEDs
*/
#define LED_NUML 0x00
#define LED_CAPSL 0x01
#define LED_SCROLLL 0x02
#define LED_COMPOSE 0x03
#define LED_KANA 0x04
#define LED_SLEEP 0x05
#define LED_SUSPEND 0x06
#define LED_MUTE 0x07
#define LED_MISC 0x08
#define LED_MAIL 0x09
#define LED_CHARGING 0x0a
#define LED_MAX 0x0f
#define LED_CNT (LED_MAX+1)
/*
* Autorepeat values
*/
#define REP_DELAY 0x00
#define REP_PERIOD 0x01
#define REP_MAX 0x01
#define REP_CNT (REP_MAX+1)
/*
* Sounds
*/
#define SND_CLICK 0x00
#define SND_BELL 0x01
#define SND_TONE 0x02
#define SND_MAX 0x07
#define SND_CNT (SND_MAX+1)
#endif /* _EVDEV_INPUT_EVENT_CODES_H */

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/*
* Copyright (c) 2024, Sönke Holz <sholz8530@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Span.h>
#include <AK/String.h>
#include <Kernel/Bus/VirtIO/Transport/PCIe/TransportLink.h>
#include <Kernel/Devices/HID/Management.h>
#include <Kernel/Devices/HID/VirtIO/EvDevDefinitions.h>
#include <Kernel/Devices/HID/VirtIO/Input.h>
#include <Kernel/Sections.h>
namespace Kernel::VirtIO {
struct VirtIOInputEvent {
LittleEndian<u16> type;
LittleEndian<u16> code;
LittleEndian<u32> value;
};
static_assert(AssertSize<VirtIOInputEvent, 8>());
struct VirtIOInputConfig {
enum class Select : u8 {
Unset = 0x00,
IDName = 0x01,
IDSerial = 0x02,
IDDevIDs = 0x03,
PropBits = 0x10,
EvBits = 0x11,
AbsInfo = 0x12,
};
struct AbsInfo {
LittleEndian<u32> min;
LittleEndian<u32> max;
LittleEndian<u32> fuzz;
LittleEndian<u32> flat;
LittleEndian<u32> res;
};
static_assert(AssertSize<AbsInfo, 20>());
struct DevIDs {
LittleEndian<u16> bustype;
LittleEndian<u16> vendor;
LittleEndian<u16> product;
LittleEndian<u16> version;
};
static_assert(AssertSize<DevIDs, 8>());
Select select;
u8 subsel;
u8 size;
u8 reserved[5];
union {
char string[128];
u8 bitmap[128];
AbsInfo abs;
DevIDs ids;
} u;
};
static_assert(AssertSize<VirtIOInputConfig, 136>());
// clang-format off
static constexpr auto unshifted_evdev_key_map = to_array<KeyCodeEntry const>({
// 0x00-0x0f
{ Key_Invalid, 0xff }, { Key_Escape, 0x01 }, { Key_1, 0x02 }, { Key_2, 0x03 },
{ Key_3, 0x04 }, { Key_4, 0x05 }, { Key_5, 0x06 }, { Key_6, 0x07 },
{ Key_7, 0x08 }, { Key_8, 0x09 }, { Key_9, 0x0a }, { Key_0, 0x0b },
{ Key_Minus, 0x0c }, { Key_Equal, 0x0d }, { Key_Backspace, 0x0e }, { Key_Tab, 0x0f },
// 0x10-0x1f
{ Key_Q, 0x10 }, { Key_W, 0x11 }, { Key_E, 0x12 }, { Key_R, 0x13 },
{ Key_T, 0x14 }, { Key_Y, 0x15 }, { Key_U, 0x16 }, { Key_I, 0x17 },
{ Key_O, 0x18 }, { Key_P, 0x19 }, { Key_LeftBracket, 0x1a }, { Key_RightBracket, 0x1b },
{ Key_Return, 0x1c }, { Key_Control, 0x1d }, { Key_A, 0x1e }, { Key_S, 0x1f },
// 0x20-0x2f
{ Key_D, 0x20 }, { Key_F, 0x21 }, { Key_G, 0x22 }, { Key_H, 0x23 },
{ Key_J, 0x24 }, { Key_K, 0x25 }, { Key_L, 0x26 }, { Key_Semicolon, 0x27 },
{ Key_Apostrophe, 0x28 }, { Key_Backtick, 0x29 }, { Key_LeftShift, 0xff }, { Key_Backslash, 0x2b },
{ Key_Z, 0x2c }, { Key_X, 0x2d }, { Key_C, 0x2e }, { Key_V, 0x2f },
// 0x30-0x3f
{ Key_B, 0x30 }, { Key_N, 0x31 }, { Key_M, 0x32 }, { Key_Comma, 0x33 },
{ Key_Period, 0x34 }, { Key_Slash, 0x35 }, { Key_RightShift, 0xff }, { Key_Asterisk, 0x37 },
{ Key_Alt, 0xff }, { Key_Space, 0x39 }, { Key_CapsLock, 0xff }, { Key_F1, 0xff },
{ Key_F2, 0xff }, { Key_F3, 0xff }, { Key_F4, 0xff }, { Key_F5, 0xff },
// 0x40-0x4f
{ Key_F6, 0xff }, { Key_F7, 0xff }, { Key_F8, 0xff }, { Key_F9, 0xff },
{ Key_F10, 0xff }, { Key_NumLock, 0x45 }, { Key_ScrollLock, 0xff }, { Key_Home, 0xff },
{ Key_Up, 0xff }, { Key_PageUp, 0xff }, { Key_Minus, 0x4a }, { Key_Left, 0xff },
{ Key_Invalid, 0xff }, { Key_Right, 0xff }, { Key_Plus, 0x4e }, { Key_End, 0xff },
// 0x50-0x5f
{ Key_Down, 0xff }, { Key_PageDown, 0xff }, { Key_Insert, 0xff }, { Key_Delete, 0xff },
{ Key_Invalid, 0xff }, { Key_Invalid, 0xff }, { Key_Backslash, 0x56 }, { Key_F11, 0xff },
{ Key_F12, 0xff }, { Key_Invalid, 0xff }, { Key_Invalid, 0xff }, { Key_Invalid, 0xff },
{ Key_Invalid, 0xff }, { Key_Invalid, 0xff }, { Key_Invalid, 0xff }, { Key_Invalid, 0xff },
// 0x60-0x6f
// FIXME: Add Numpad "/" key to character map for key code 0x62
{ Key_Return, 0xff }, { Key_RightControl, 0xff }, { Key_Slash, 0xff }, { Key_SysRq, 0xff },
{ Key_RightAlt, 0xff }, { Key_Invalid, 0xff }, { Key_Home, 0xff }, { Key_Up, 0xff },
{ Key_PageUp, 0xff }, { Key_Left, 0xff }, { Key_Right, 0xff }, { Key_End, 0xff },
{ Key_Down, 0xff }, { Key_PageDown, 0xff }, { Key_Insert, 0xff }, { Key_Delete, 0xff },
// 0x70-0x7f
{ Key_Invalid, 0xff }, { Key_Mute, 0xff }, { Key_VolumeDown, 0xff }, { Key_VolumeUp, 0xff },
{ Key_Power, 0xff }, { Key_Equal, 0xff }, { Key_Invalid, 0xff }, { Key_PauseBreak, 0xff },
{ Key_Invalid, 0xff }, { Key_Invalid, 0xff }, { Key_Invalid, 0xff }, { Key_Invalid, 0xff },
{ Key_Invalid, 0xff }, { Key_Super, 0xff }, { Key_Super, 0xff }, { Key_Menu, 0xff },
// 0x80-0x8f
{ Key_Stop, 0xff }, { Key_Invalid, 0xff }, { Key_Invalid, 0xff }, { Key_Invalid, 0xff },
{ Key_Invalid, 0xff }, { Key_Invalid, 0xff }, { Key_Invalid, 0xff }, { Key_Invalid, 0xff },
{ Key_Invalid, 0xff }, { Key_Invalid, 0xff }, { Key_Invalid, 0xff }, { Key_Invalid, 0xff },
{ Key_Calculator, 0xff }, { Key_Invalid, 0xff }, { Key_Sleep, 0xff }, { Key_Wake, 0xff },
});
// clang-format on
// clang-format off
static constexpr auto shifted_evdev_key_map = to_array<KeyCodeEntry const>({
// 0x00-0x0f
{ Key_Invalid, 0xff }, { Key_Escape, 0x01 }, { Key_ExclamationPoint, 0x02 }, { Key_AtSign, 0x03 },
{ Key_Hashtag, 0x04 }, { Key_Dollar, 0x05 }, { Key_Percent, 0x06 }, { Key_Circumflex, 0x07 },
{ Key_Ampersand, 0x08 }, { Key_Asterisk, 0x09 }, { Key_LeftParen, 0x0a }, { Key_RightParen, 0x0b },
{ Key_Underscore, 0x0c }, { Key_Plus, 0x0d }, { Key_Backspace, 0x0e }, { Key_Tab, 0x0f },
// 0x10-0x1f
{ Key_Q, 0x10 }, { Key_W, 0x11 }, { Key_E, 0x12 }, { Key_R, 0x13 },
{ Key_T, 0x14 }, { Key_Y, 0x15 }, { Key_U, 0x16 }, { Key_I, 0x17 },
{ Key_O, 0x18 }, { Key_P, 0x19 }, { Key_LeftBrace, 0x1a }, { Key_RightBrace, 0x1b },
{ Key_Return, 0x1c }, { Key_Control, 0x1d }, { Key_A, 0x1e }, { Key_S, 0x1f },
// 0x20-0x2f
{ Key_D, 0x20 }, { Key_F, 0x21 }, { Key_G, 0x22 }, { Key_H, 0x23 },
{ Key_J, 0x24 }, { Key_K, 0x25 }, { Key_L, 0x26 }, { Key_Colon, 0x27 },
{ Key_DoubleQuote, 0x28 }, { Key_Tilde, 0x29 }, { Key_LeftShift, 0xff }, { Key_Pipe, 0x2b },
{ Key_Z, 0x2c }, { Key_X, 0x2d }, { Key_C, 0x2e }, { Key_V, 0x2f },
// 0x30-0x3f
{ Key_B, 0x30 }, { Key_N, 0x31 }, { Key_M, 0x32 }, { Key_LessThan, 0x33 },
{ Key_GreaterThan, 0x34 }, { Key_QuestionMark, 0x35 }, { Key_RightShift, 0xff }, { Key_Asterisk, 0x37 },
{ Key_Alt, 0xff }, { Key_Space, 0x39 }, { Key_CapsLock, 0xff }, { Key_F1, 0xff },
{ Key_F2, 0xff }, { Key_F3, 0xff }, { Key_F4, 0xff }, { Key_F5, 0xff },
// 0x40-0x4f
{ Key_F6, 0xff }, { Key_F7, 0xff }, { Key_F8, 0xff }, { Key_F9, 0xff },
{ Key_F10, 0xff }, { Key_NumLock, 0xff }, { Key_ScrollLock, 0xff }, { Key_Home, 0xff },
{ Key_Up, 0xff }, { Key_PageUp, 0xff }, { Key_Minus, 0x4a }, { Key_Left, 0xff },
{ Key_Invalid, 0xff }, { Key_Right, 0xff }, { Key_Plus, 0x4e }, { Key_End, 0xff },
// 0x50-0x5f
{ Key_Down, 0xff }, { Key_PageDown, 0xff }, { Key_Insert, 0xff }, { Key_Delete, 0xff },
{ Key_Invalid, 0xff }, { Key_Invalid, 0xff }, { Key_Pipe, 0x56 }, { Key_F11, 0xff },
{ Key_F12, 0xff }, { Key_Invalid, 0xff }, { Key_Invalid, 0xff }, { Key_Invalid, 0xff },
{ Key_Invalid, 0xff }, { Key_Invalid, 0xff }, { Key_Invalid, 0xff }, { Key_Invalid, 0xff },
});
// clang-format on
UNMAP_AFTER_INIT NonnullLockRefPtr<Input> Input::must_create_for_pci_instance(PCI::DeviceIdentifier const& device_identifier)
{
auto pci_transport_link = MUST(PCIeTransportLink::create(device_identifier));
return adopt_lock_ref_if_nonnull(new Input(move(pci_transport_link))).release_nonnull();
}
UNMAP_AFTER_INIT ErrorOr<void> Input::initialize_virtio_resources()
{
TRY(Device::initialize_virtio_resources());
auto const* cfg = TRY(transport_entity().get_config(VirtIO::ConfigurationType::Device));
TRY(negotiate_features([&](auto) { return 0; }));
transport_entity().config_write8(*cfg, offsetof(VirtIOInputConfig, subsel), 0);
OwnPtr<KString> name;
transport_entity().config_write8(*cfg, offsetof(VirtIOInputConfig, select), to_underlying(VirtIOInputConfig::Select::IDName));
transport_entity().read_config_atomic([&]() {
auto size = transport_entity().config_read8(*cfg, offsetof(VirtIOInputConfig, size));
if (size == 0)
return;
VERIFY(size <= sizeof(VirtIOInputConfig::u.string));
char* name_chars = nullptr;
name = MUST(KString::try_create_uninitialized(size, name_chars));
for (size_t i = 0; i < size; i++)
name_chars[i] = static_cast<char>(transport_entity().config_read8(*cfg, offsetof(VirtIOInputConfig, u.string) + i));
});
if (name)
dbgln("VirtIO::Input: Device name: {}", name);
transport_entity().config_write8(*cfg, offsetof(VirtIOInputConfig, select), to_underlying(VirtIOInputConfig::Select::AbsInfo));
transport_entity().read_config_atomic([&]() {
auto size = transport_entity().config_read8(*cfg, offsetof(VirtIOInputConfig, size));
if (size == 0)
return;
VERIFY(size == sizeof(VirtIOInputConfig::u.abs));
m_abs_min = bit_cast<LittleEndian<u32>>(transport_entity().config_read32(*cfg, offsetof(VirtIOInputConfig, u.abs.min)));
m_abs_max = bit_cast<LittleEndian<u32>>(transport_entity().config_read32(*cfg, offsetof(VirtIOInputConfig, u.abs.max)));
});
TRY(setup_queues(2));
finish_init();
auto& event_queue = get_queue(EVENTQ);
SpinlockLocker event_queue_lock(event_queue.lock());
m_event_buffer_region = TRY(MM.allocate_contiguous_kernel_region(TRY(Memory::page_round_up(event_queue.size() * sizeof(VirtIOInputEvent))), "VirtIO::Input eventq"sv, Memory::Region::Access::ReadWrite));
QueueChain event_queue_chain(event_queue);
for (size_t queue_idx = 0; queue_idx < event_queue.size(); ++queue_idx) {
auto buffer_start = m_event_buffer_region->physical_page(0)->paddr().offset(queue_idx * sizeof(VirtIOInputEvent));
auto did_add_buffer = event_queue_chain.add_buffer_to_chain(buffer_start, sizeof(VirtIOInputEvent), BufferType::DeviceWritable);
VERIFY(did_add_buffer);
supply_chain_and_notify(EVENTQ, event_queue_chain);
}
HIDManagement::the().attach_standalone_hid_device(*m_mouse_device);
HIDManagement::the().attach_standalone_hid_device(*m_keyboard_device);
return {};
}
UNMAP_AFTER_INIT Input::Input(NonnullOwnPtr<TransportEntity> transport_entity)
: VirtIO::Device(move(transport_entity))
, m_mouse_device(MouseDevice::try_to_initialize().release_value_but_fixme_should_propagate_errors())
, m_keyboard_device(KeyboardDevice::try_to_initialize().release_value_but_fixme_should_propagate_errors())
{
}
ErrorOr<void> Input::handle_device_config_change()
{
return {};
}
void Input::handle_queue_update(u16 queue_index)
{
VERIFY(queue_index == EVENTQ);
auto& queue = get_queue(EVENTQ);
SpinlockLocker queue_lock(queue.lock());
size_t used;
QueueChain popped_chain = queue.pop_used_buffer_chain(used);
while (!popped_chain.is_empty()) {
popped_chain.for_each([this](PhysicalAddress paddr, size_t) {
size_t offset = paddr.get() - m_event_buffer_region->physical_page(0)->paddr().get();
auto const& event = *reinterpret_cast<VirtIOInputEvent const*>(m_event_buffer_region->vaddr().offset(offset).as_ptr());
handle_event(event);
});
supply_chain_and_notify(EVENTQ, popped_chain);
popped_chain = queue.pop_used_buffer_chain(used);
}
}
void Input::handle_event(VirtIOInputEvent const& event)
{
// TODO: Set lock key LEDs
switch (event.type) {
case EV_SYN:
switch (event.code) {
case SYN_REPORT:
m_mouse_device->handle_mouse_packet_input_event(m_current_mouse_packet);
// Don't reset the x/y values if the last event was an absolute event, as otherwise the mouse would jump to the top left corner on events other than mouse movement.
if (m_current_mouse_packet.is_relative) {
m_current_mouse_packet.x = 0;
m_current_mouse_packet.y = 0;
}
m_current_mouse_packet.z = 0;
m_current_mouse_packet.w = 0;
break;
default:
dbgln_if(VIRTIO_DEBUG, "VirtIO::Input: Unknown EV_SYN event code: {:#x}", event.code);
break;
}
break;
case EV_KEY:
switch (event.code) {
case BTN_LEFT:
if (event.value == 1)
m_current_mouse_packet.buttons |= MousePacket::Button::LeftButton;
else
m_current_mouse_packet.buttons &= ~MousePacket::Button::LeftButton;
break;
case BTN_RIGHT:
if (event.value == 1)
m_current_mouse_packet.buttons |= MousePacket::Button::RightButton;
else
m_current_mouse_packet.buttons &= ~MousePacket::Button::RightButton;
break;
case BTN_MIDDLE:
if (event.value == 1)
m_current_mouse_packet.buttons |= MousePacket::Button::MiddleButton;
else
m_current_mouse_packet.buttons &= ~MousePacket::Button::MiddleButton;
break;
default:
// NOTE: We only supply entropy from the keyboard device, as each MouseDevice already has a EntropySource attached to it.
m_entropy_source.add_random_event(event.code);
m_keyboard_device->update_modifier(Mod_Keypad, false);
RawKeyEvent raw_key_event;
raw_key_event.is_press_down = event.value == 1;
raw_key_event.scancode = event.code;
switch (event.code) {
case KEY_LEFTALT:
m_keyboard_device->update_modifier(Mod_Alt, raw_key_event.is_press());
break;
case KEY_LEFTCTRL:
case KEY_RIGHTCTRL:
m_keyboard_device->update_modifier(Mod_Ctrl, raw_key_event.is_press());
break;
case KEY_LEFTSHIFT:
case KEY_RIGHTSHIFT:
m_keyboard_device->update_modifier(Mod_Shift, raw_key_event.is_press());
break;
case KEY_LEFTMETA:
case KEY_RIGHTMETA:
m_keyboard_device->update_modifier(Mod_Super, raw_key_event.is_press());
break;
case KEY_RIGHTALT:
m_keyboard_device->update_modifier(Mod_AltGr, raw_key_event.is_press());
break;
default:
break;
}
if ((event.code >= KEY_KP7 && event.code <= KEY_KPDOT)
|| event.code == KEY_KPASTERISK
|| event.code == KEY_KPENTER
|| event.code == KEY_KPEQUAL
|| event.code == KEY_KPSLASH) {
m_keyboard_device->update_modifier(Mod_Keypad, true);
}
// The shift key only applies to small key codes, so only use the shifted key map if the event code is small enough.
bool use_shifted_key_map = (m_keyboard_device->modifiers() & Mod_Shift) != 0 && event.code < shifted_evdev_key_map.size();
auto key_map = use_shifted_key_map ? Span<KeyCodeEntry const>(shifted_evdev_key_map) : Span<KeyCodeEntry const>(unshifted_evdev_key_map);
if (event.code >= key_map.size()) {
dbgln_if(VIRTIO_DEBUG, "VirtIO::Input: Unknown EV_KEY event code: {:#x}", event.code);
return;
}
raw_key_event.code_entry = key_map[event.code];
KeyEvent key_event {
.key = raw_key_event.code_entry.key_code,
.map_entry_index = raw_key_event.code_entry.map_entry_index,
.scancode = raw_key_event.scancode,
.flags = raw_key_event.is_press() ? static_cast<u8>(Is_Press) : static_cast<u8>(0),
};
if (m_keyboard_device->num_lock_on() && (m_keyboard_device->modifiers() & Mod_Shift) == 0) {
if (key_event.scancode >= KEY_KP7 && raw_key_event.scancode <= KEY_KPDOT) {
auto index = key_event.scancode - KEY_KP7;
static constexpr auto numpad_key_map = to_array<KeyCodeEntry>({
{ Key_7, 0x08 },
{ Key_8, 0x09 },
{ Key_9, 0x0a },
{ Key_Invalid, 0xff },
{ Key_4, 0x05 },
{ Key_5, 0x06 },
{ Key_6, 0x07 },
{ Key_Invalid, 0xff },
{ Key_1, 0x02 },
{ Key_2, 0x03 },
{ Key_3, 0x04 },
{ Key_0, 0x0b },
{ Key_Period, 0x34 },
});
if (numpad_key_map[index].key_code != Key_Invalid) {
key_event.key = numpad_key_map[index].key_code;
key_event.map_entry_index = numpad_key_map[index].map_entry_index;
}
}
}
m_keyboard_device->handle_input_event(key_event);
break;
}
break;
case EV_REL: {
if (event.code == REL_X) {
m_current_mouse_packet.is_relative = true;
m_current_mouse_packet.x = static_cast<int>(event.value);
} else if (event.code == REL_Y) {
m_current_mouse_packet.is_relative = true;
m_current_mouse_packet.y = -static_cast<int>(event.value);
} else if (event.code == REL_WHEEL) {
m_current_mouse_packet.z = -static_cast<int>(event.value);
} else {
dbgln_if(VIRTIO_DEBUG, "VirtIO::Input: Unknown EV_REL event code: {:#x}", event.code);
}
break;
}
case EV_ABS: {
if (event.code == ABS_X) {
m_current_mouse_packet.is_relative = false;
m_current_mouse_packet.x = static_cast<int>((event.value - m_abs_min) * 0xffff / (m_abs_max - m_abs_min));
} else if (event.code == ABS_Y) {
m_current_mouse_packet.is_relative = false;
m_current_mouse_packet.y = static_cast<int>((event.value - m_abs_min) * 0xffff / (m_abs_max - m_abs_min));
} else {
dbgln_if(VIRTIO_DEBUG, "VirtIO::Input: Unknown EV_ABS event code: {:#x}", event.code);
}
break;
}
default:
dbgln_if(VIRTIO_DEBUG, "VirtIO::Input: Unknown event type: {:#x}", event.type);
break;
}
}
}

54
Kernel/Devices/HID/VirtIO/Input.h Normal file
View file

@ -0,0 +1,54 @@
/*
* Copyright (c) 2024, Sönke Holz <sholz8530@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/AtomicRefCounted.h>
#include <Kernel/Bus/VirtIO/Device.h>
#include <Kernel/Devices/CharacterDevice.h>
#include <Kernel/Devices/HID/KeyboardDevice.h>
#include <Kernel/Devices/HID/MouseDevice.h>
#include <Kernel/Memory/RingBuffer.h>
#include <Kernel/Security/Random.h>
namespace Kernel::VirtIO {
struct VirtIOInputEvent;
class Input final
: public AtomicRefCounted<Input>
, public VirtIO::Device {
public:
static NonnullLockRefPtr<Input> must_create_for_pci_instance(PCI::DeviceIdentifier const&);
~Input() override = default;
ErrorOr<void> initialize_virtio_resources() override;
private:
static constexpr u16 EVENTQ = 0;
static constexpr u16 STATUSQ = 1;
StringView class_name() const override { return "VirtIOInput"sv; }
explicit Input(NonnullOwnPtr<TransportEntity>);
ErrorOr<void> handle_device_config_change() override;
void handle_queue_update(u16 queue_index) override;
void handle_event(VirtIOInputEvent const&);
OwnPtr<Memory::Region> m_event_buffer_region;
NonnullRefPtr<MouseDevice> m_mouse_device;
MousePacket m_current_mouse_packet;
NonnullRefPtr<KeyboardDevice> m_keyboard_device;
EntropySource m_entropy_source;
u32 m_abs_min { 0 };
u32 m_abs_max { 0xffff };
};
}

2
Meta/check-style.py
View file

@ -75,6 +75,8 @@ def should_check_file(filename):
return False
if filename.startswith('Base/'):
return False
if filename == 'Kernel/Devices/HID/VirtIO/EvDevDefinitions.h':
return False
if filename == 'Kernel/FileSystem/Ext2FS/Definitions.h':
return False
if filename == 'Kernel/FileSystem/FUSE/Definitions.h':

1
Meta/lint-clang-format.sh
View file

@ -12,6 +12,7 @@ if [ "$#" -eq "1" ]; then
'*.h' \
'*.mm' \
':!:Base' \
':!:Kernel/Devices/HID/VirtIO/EvDevDefinitions.h' \
':!:Kernel/FileSystem/Ext2FS/Definitions.h' \
':!:Userland/Libraries/LibCodeComprehension/Cpp/Tests/*' \
':!:Userland/Libraries/LibCpp/Tests/parser/*' \