hvc_iucv_notifier_add(9)

💖 hvc_iucv_notifier_add(9) 💖

🌸 NAME 🌸

okay so bestie, this page is from the Kernel API Manual, and it’s all about hvc_iucv_notifier_add — the HVC notifier for opening a TTY for the first time. it’s giving “first-open main character energy” fr fr ✨

🎀 SYNOPSIS 🎀

int hvc_iucv_notifier_add (struct hvc_struct *hp , int id );

🦋 ARGUMENTS 🦋

• hp — pointer to the HVC device (a struct hvc_struct), aka the whole device vibe check.
• id — additional data, originally passed to hvc_alloc: it’s the index of an struct hvc_iucv_private instance. iykyk.

👑 DESCRIPTION 👑

okay so here’s the tea: the function sets the tty state to TTY_OPENED for the struct hvc_iucv_private instance that is derived from id. and bestie, it always returns 0 — no suspense, no plot twist, just 0. 💅

Locking: struct hvc_iucv_private->lock, spin_lock_bh. that’s the lock lore 🔒✨

🌈 SEE ALSO 🌈

kernel file: ./drivers/tty/hvc/hvc_iucv.c

• hvc_iucv_get_private(9)
• alloc_tty_buffer(9)
• destroy_tty_buffer(9)
• destroy_tty_buffer_list(9)
• hvc_iucv_write(9)
• hvc_iucv_get_chars(9)
• hvc_iucv_queue(9)
• hvc_iucv_send(9)
• hvc_iucv_sndbuf_work(9)
• hvc_iucv_put_chars(9)
• hvc_iucv_cleanup(9)
• tty_outqueue_empty(9)
• flush_sndbuf_sync(9)
• hvc_iucv_hangup(9)
• hvc_iucv_notifier_hangup(9)
• hvc_iucv_dtr_rts(9)
• hvc_iucv_notifier_del(9)
• hvc_iucv_filter_connreq(9)
• hvc_iucv_path_pending(9)
• hvc_iucv_path_severed(9)
• hvc_iucv_msg_pending(9)
• hvc_iucv_msg_complete(9)
• hvc_iucv_alloc(9)
• hvc_iucv_destroy(9)
• hvc_iucv_parse_filter(9)
• hvc_iucv_setup_filter(9)
• param_set_vmidfilter(9)
• param_get_vmidfilter(9)
• hvc_iucv_init(9)
• hvc_iucv_config(9)

and that’s the whole vibe 💖 this lil page lives at source path ./drivers/tty/hvc, dated October 2026, and it’s called hvc_iucv_notifier_add(9). mwah 🫶✨🎀