mei_hbm_cl_flow_control_req(9)

💖 NAME 💖

okay so bestie, this is mei_hbm_cl_flow_control_req(9) from the Kernel API Manual, and it literally sends flow control request. That's the whole vibe. No cap. 💅✨

✨ SYNOPSIS ✨

the signature is giving kernel main character energy, so here it is exactly:

       int mei_hbm_cl_flow_control_req (struct mei_device *dev , struct mei_cl
       *cl );

🫶 ARGUMENTS 🫶

• dev — the device structure, aka the big hardware situation we're working with 🫶
• cl — the client info, aka the client bestie we're checking on ✨

😭 RETURN 😭

• -EIO — this is what you get on write failure, and that's literally it, no extra lore 💀

👑 SEE ALSO 👑

Kernel file ./drivers/misc/mei/hbm.c is the spot, and these are the icon besties you should also peek at:

• 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_notify(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_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)

mwah 💋 this iconic page comes from ./drivers/misc/mei, dated October 2026, and it's literally the mei_hbm_cl_flow_control_req(9) manual. bye bestie! 🎀🦋