ipc_protocol_msg_prep(9)

💖 NAME 💖

okay so bestie, welcome to the Kernel API Manual page for ipc_protocol_msg_prep(9) — yes, that's the whole title vibe. this function is literally:

ipc_protocol_msg_prep — Prepare message based upon message type 🎀

✨ SYNOPSIS ✨

int ipc_protocol_msg_prep (struct iosm_imem *ipc_imem , enum
       ipc_msg_prep_type msg_type , union ipc_msg_prep_args *args );

🫶 ARGUMENTS 🫶

• ipc_imem — the iosm_protocol instance, aka the whole context bestie 🦋
• msg_type — the message prepare type 👑
• args — the message arguments 🍓

💅 RETURN 💅

0 on success and failure value on error. that's the contract, no cap 💀✨

🦋 SEE ALSO 🦋

Kernel file first, because we respect the source: ./drivers/net/wwan/iosm/iosm_ipc_protocol_ops.h — iconic.

and the whole friend group:

• enum ipc_mem_td_cs(9)
• enum ipc_mem_msg_cs(9)
• struct ipc_msg_prep_args_pipe(9)
• struct ipc_msg_prep_args_sleep(9)
• struct ipc_msg_prep_feature_set(9)
• struct ipc_msg_prep_map(9)
• struct ipc_msg_prep_unmap(9)
• union ipc_msg_prep_args(9)
• enum ipc_msg_prep_type(9)
• struct ipc_rsp(9)
• enum ipc_mem_msg(9)
• struct ipc_mem_msg_open_pipe(9)
• struct ipc_mem_msg_close_pipe(9)
• struct ipc_mem_msg_abort_pipe(9)
• struct ipc_mem_msg_host_sleep(9)
• struct ipc_mem_msg_feature_set(9)
• struct ipc_mem_msg_common(9)
• union ipc_mem_msg_entry(9)
• ipc_protocol_msg_hp_update(9)
• ipc_protocol_msg_process(9)
• ipc_protocol_ul_td_send(9)
• ipc_protocol_ul_td_process(9)
• ipc_protocol_dl_td_prepare(9)
• ipc_protocol_dl_td_process(9)
• ipc_protocol_get_head_tail_index(9)
• ipc_protocol_get_ipc_status(9)
• ipc_protocol_pipe_cleanup(9)
• ipc_protocol_get_ap_exec_stage(9)
• ipc_protocol_pm_dev_get_sleep_notification(9)

this cutie is from the Kernel API Manual, source ./drivers/net/wwan/iosm, dated October 2026, and filed under ipc_protocol_msg_prep(9) — byeee, stay hydrated and go read your headers 💖🦋💅