mei_hbm_cl_notify(9)

💅 mei_hbm_cl_notify(9) — kernel API manual, bestie edition

okay so this is a page from the Kernel API Manual, and the star of the show is mei_hbm_cl_notify ✨ — it's a kernel function whose whole job is to signal a notification event. that's it, that's the vibe 🎀

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🌸 NAME 🌸

mei_hbm_cl_notify — signal notification event 💖

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✨ SYNOPSIS ✨

void mei_hbm_cl_notify (struct mei_device *dev , struct mei_hbm_cl_cmd
*cmd );

so it returns void (no return value, it just does the thing 💅), and it takes two things: a struct mei_device *dev and a struct mei_hbm_cl_cmd *cmd. iconic signature, no notes 🫶

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🦋 ARGUMENTS 🦋

• dev — the device structure 🖥️ like, the MEI device itself, the main character of this whole call.
• cmd — notification client message 📨 the client message that's carrying the notification.

two arguments, both pointers, both essential. we love a clean API 😌

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👑 SEE ALSO 👑

if you're the kind of person who reads the whole friend group's lore (and honestly? same 💀), the kernel file this lives in is ./drivers/misc/mei/hbm.c — and here's the full squad it hangs out with, no cap, every single one:

mei_cl_conn_status_to_errno(9), mei_hbm_write_message(9), mei_hbm_idle(9), mei_hbm_reset(9), mei_hbm_hdr(9), mei_hbm_cl_hdr(9), mei_hbm_cl_write(9), mei_hbm_cl_addr_equal(9), mei_hbm_cl_find_by_cmd(9), mei_hbm_start_wait(9), mei_hbm_start_req(9), mei_hbm_dma_setup_req(9), mei_hbm_capabilities_req(9), mei_hbm_enum_clients_req(9), mei_hbm_me_cl_add(9), mei_hbm_add_cl_resp(9), mei_hbm_fw_add_cl_req(9), mei_hbm_cl_notify_req(9), notify_res_to_fop(9), mei_hbm_cl_notify_start_res(9), mei_hbm_cl_notify_stop_res(9), mei_hbm_cl_dma_map_req(9), mei_hbm_cl_dma_unmap_req(9), mei_hbm_prop_req(9), mei_hbm_pg(9), mei_hbm_stop_req(9), mei_hbm_cl_flow_control_req(9), mei_hbm_add_single_tx_flow_ctrl_creds(9), mei_hbm_cl_tx_flow_ctrl_creds_res(9), mei_hbm_cl_disconnect_req(9), mei_hbm_cl_disconnect_rsp(9), mei_hbm_cl_disconnect_res(9), mei_hbm_cl_connect_req(9), mei_hbm_cl_connect_res(9), mei_hbm_cl_res(9), mei_hbm_fw_disconnect_req(9), mei_hbm_pg_enter_res(9), mei_hbm_pg_resume(9), mei_hbm_pg_exit_res(9), mei_hbm_config_features(9), mei_hbm_version_is_supported(9), mei_hbm_dispatch(9)

like I said. the whole group chat. 🔥

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ngl bestie, this page is short and sweet — no options, no env vars, no exit statuses, no bug notes. just a function, its two arguments, and a truly enormous SEE ALSO list. sometimes that's enough 💜

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kisses and goodbyes 💋 this page came from ./drivers/misc/mei and it's dated October 2026 — cya, and happy hacking, periodt 🌈⭐🍓