mhi_queue_buf(9)

💖 Kernel API Manual: mhi_queue_buf(9) 💖

okay bestie, welcome to the Kernel API Manual page for mhi_queue_buf(9) — it's giving “send or receive raw buffers from a client device over an MHI channel” energy, and we're gonna break it all the way down 💅✨

🌸 NAME 🌸

mhi_queue_buf — send or receive raw buffers from a client device over an MHI channel. That's the whole assignment, and it ate 💅.

🎀 SYNOPSIS 🎀

the signature, verbatim, no edits:

int mhi_queue_buf (struct mhi_device *mhi_dev , enum dma_data_direction
dir , void *buf , size_t len , enum mhi_flags mflags );

🦋 ARGUMENTS 🦋

here's the cast, and yes every single one matters:

• mhi_dev — the device associated with the channels. main character device energy.
• dir — DMA direction for the channel.
• buf — the buffer for holding the data.
• len — buffer length.
• mflags — MHI transfer flags used for the transfer.

🌈 SEE ALSO 🌈

Kernel file ./include/linux/mhi.h is the lore hub for this whole clique, and here are all the (9) refs — no skips, no cap:

• enum mhi_callback(9)
• enum mhi_flags(9)
• enum mhi_device_type(9)
• enum mhi_ch_type(9)
• struct mhi_buf(9)
• struct image_info(9)
• struct mhi_link_info(9)
• enum mhi_ee_type(9)
• enum mhi_state(9)
• enum mhi_ch_ee_mask(9)
• enum mhi_er_data_type(9)
• enum mhi_db_brst_mode(9)
• struct mhi_channel_config(9)
• struct mhi_event_config(9)
• struct mhi_controller_config(9)
• struct mhi_controller(9)
• struct mhi_device(9)
• struct mhi_result(9)
• struct mhi_driver(9)
• mhi_alloc_controller(9)
• mhi_free_controller(9)
• mhi_register_controller(9)
• mhi_unregister_controller(9)
• __mhi_driver_register(9)
• mhi_driver_unregister(9)
• mhi_set_mhi_state(9)
• mhi_notify(9)
• mhi_get_free_desc_count(9)
• mhi_prepare_for_power_up(9)
• mhi_async_power_up(9)
• mhi_sync_power_up(9)
• mhi_power_down(9)
• mhi_power_down_keep_dev(9)
• mhi_unprepare_after_power_down(9)
• mhi_pm_suspend(9)
• mhi_pm_resume(9)
• mhi_pm_resume_force(9)
• mhi_download_rddm_image(9)
• mhi_force_rddm_mode(9)
• mhi_get_exec_env(9)
• mhi_get_mhi_state(9)
• mhi_soc_reset(9)
• mhi_device_get_sync(9)
• mhi_device_put(9)
• mhi_prepare_for_transfer(9)
• mhi_unprepare_from_transfer(9)
• mhi_queue_skb(9)
• mhi_queue_is_full(9)
• mhi_get_channel_doorbell_offset(9)

mwah 💖 — source/version: ./include/linux; date: October 2026; and this is mhi_queue_buf(9) signing off 🫶✨