mei_hbm_cl_dma_unmap_req(9)
π mei_hbm_cl_dma_unmap_req π
okay so bestie, welcome to the Kernel API Manual β¨ β this little cutie lives in the kernel's MEI (Intel Management Engine Interface) corner and it's literally the function that sends a client dma unmap request. that's the whole vibe. no cap. π
β¨ NAME β¨
mei_hbm_cl_dma_unmap_req β send client dma unmap request π¦
πΈ SYNOPSIS πΈ
int mei_hbm_cl_dma_unmap_req (struct mei_device *dev , struct mei_cl *cl );
π ARGUMENTS π
devβ the device structure π (yes, thestruct mei_device *one)clβ mei host client π«Ά (yourstruct mei_cl *, the main character here)
β RETURN β
0 on success, and -EIO on write failure π β so like, if the write flops, you're getting -EIO back, periodt.
π SEE ALSO π
okay this list is long but we do NOT skip it, we love completeness in this house π (iykyk). all of these are kernel file ./drivers/misc/mei/hbm.c besties:
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_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)
and that's the whole page, bestie πβ¨ no notes, ate and left no crumbs. this iconic lil manpage was served up from ./drivers/misc/mei and dated October 2026 β catch you in the next one, mwah πππ¦
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms