mei_hbm_capabilities_req(9)

💖 mei_hbm_capabilities_req — request capabilities 💖

okay so bestie, you found a page from the Kernel API Manual section 9, and it's about mei_hbm_capabilities_req — yes that's a whole mouthful, just vibe with it 🫶. It's the one that requests capabilities. That's the whole name, no notes, she said what she said.

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✨ NAME ✨

mei_hbm_capabilities_req — request capabilities 🌸

Like, literally that. She asks for the capabilities. Iconic, concise, no cap.

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🦋 SYNOPSIS 🦋

int mei_hbm_capabilities_req (struct mei_device *dev );

one function, one argument, returns an int. clean. minimal. the main character energy of function signatures honestly 💅

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🎀 ARGUMENTS 🎀

• dev — the device structure ✨ that's it, that's the argument. your device struct, the whole point, the moment.

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🌈 RETURN 🌈

• 0 on success
• < 0 on failure 😭

so like... zero means slay, negative means it's giving problem. fr fr.

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👑 SEE ALSO 👑

okay bestie, buckle up, because this list is LONG and honestly kind of iconic — the whole hbm friend group is here 💜. First up, the kernel file where all this lives:

./drivers/misc/mei/hbm.c

and then the whole squad, in order, no one left out (because we don't do that 🙈):

• 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_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_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)

see? everybody showed up. attendance full. ate and left no crumbs 🔥

real talk though: those are the exact references from the page, so if you're jumping around, copy them character for character — no inventing extra functions, bestie, that's how you get haunted by a compiler 💀

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🌸 and that's the page!! this lil beauty comes from ./drivers/misc/mei and it's dated October 2026 — go forth and request those capabilities, ily, bye 🎀✨🫶