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Kernel/HID: Add methods to attach and detach standalone devices

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Liav A 2022-03-05 14:12:36 +02:00 • committed by Jelle Raaijmakers
parent 83835c7256
commit 62c2c9df69
3 changed files with 27 additions and 0 deletions
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9
Kernel/Devices/HID/Management.h
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@ -7,6 +7,7 @@
#pragma once
#include <AK/Atomic.h>
#include <AK/Badge.h>
#include <AK/CircularQueue.h>
#include <AK/Error.h>
#include <AK/IntrusiveList.h>
@ -15,6 +16,7 @@
#include <AK/Types.h>
#include <Kernel/API/KeyCode.h>
#include <Kernel/Bus/SerialIO/Controller.h>
#include <Kernel/Devices/HID/Device.h>
#include <Kernel/Locking/Spinlock.h>
#include <Kernel/Locking/SpinlockProtected.h>
#include <Kernel/UnixTypes.h>
@ -51,6 +53,9 @@ public:
void set_client(KeyboardClient* client);
void set_maps(NonnullOwnPtr<KString> character_map_name, Keyboard::CharacterMapData const& character_map);
void attach_standalone_hid_device(HIDDevice&);
void detach_standalone_hid_device(HIDDevice&);
private:
size_t generate_minor_device_number_for_mouse();
size_t generate_minor_device_number_for_keyboard();
@ -61,6 +66,10 @@ private:
KeyboardClient* m_client { nullptr };
SpinlockProtected<IntrusiveList<&SerialIOController::m_list_node>, LockRank::None> m_hid_serial_io_controllers;
// NOTE: This list is used for standalone devices, like USB HID devices
// (which are not attached via a SerialIO controller in the sense that
// there's no specific serial IO controller to coordinate their usage).
SpinlockProtected<IntrusiveList<&HIDDevice::m_list_node>, LockRank::None> m_standalone_hid_devices;
Spinlock<LockRank::None> m_client_lock;
};