Kernel: Add support for reading from VirtIOConsole

This allows two-way communication with the host through a VirtIOConsole. This is necessary for features like clipboard sharing.
Author: https://github.com/X-yl Commit: 1492bb2fd6 Pull-request: https://github.com/SerenityOS/serenity/pull/8257 Reviewed-by: https://github.com/IdanHo Reviewed-by: https://github.com/alimpfard Reviewed-by: https://github.com/ccapitalK
2025-09-07 01:56:38 +00:00 · 2021-06-20 17:46:04 +04:00 · 2021-06-20 17:46:04 +04:00 · 1492bb2fd6 · 2024-07-18 10:02:01 +09:00
commit 1492bb2fd6
parent 1c06d77262
5 changed files with 74 additions and 8 deletions
--- a/Kernel/VirtIO/VirtIOConsole.h
+++ b/Kernel/VirtIO/VirtIOConsole.h
@ -42,6 +42,8 @@ private:
    virtual String device_name() const override { return String::formatted("hvc{}", minor()); }
    virtual void handle_queue_update(u16 queue_index) override;

+    void init_receive_buffer();
+    
    OwnPtr<RingBuffer> m_receive_buffer;
    OwnPtr<RingBuffer> m_transmit_buffer;