mei_cl_enqueue_ctrl_wr_cb(9)

🎀 mei_cl_enqueue_ctrl_wr_cb(9) 🎀

okay so welcome to the kernel API manual bestie, this is the page for mei_cl_enqueue_ctrl_wr_cb and honestly? it's giving "small function, big job" 💅 she's literally just a convenient wrapper for allocating and enqueuing control command cbs, and we love a humble queen who knows her lane. 🌸

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✨ NAME ✨

mei_cl_enqueue_ctrl_wr_cb — a convenient wrapper for allocating and enqueuing of the control commands cb 🫶

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🌈 SYNOPSIS 🌈

struct mei_cl_cb * mei_cl_enqueue_ctrl_wr_cb (struct mei_cl *cl , size_t
length , enum mei_cb_file_ops fop_type , const struct file *fp );

like yes that's the whole signature, she's not complicated, she's just precise ✨

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💖 ARGUMENTS 💖

• cl — the host client 🧚 that's your main character right there
• length — size of the buffer, so like, how much room we're working with 📏
• fop_type — operation type, the vibe check of what we're actually doing
• fp — associated file pointer, and heads up: it might be NULL 🙈 so don't just assume it's there, bestie

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⭐ RETURN ⭐

cb on success and NULL on failure 🎀

lowkey important: Locking — this is called under the "dev->device_lock" lock 🔒 don't forget, iykyk

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🦋 SEE ALSO 🦋

Kernel file ./drivers/misc/mei/client.c — and now the whole friend group, fr fr, everyone's invited to the group chat 💜:

mei_me_cl_init(9), mei_me_cl_get(9), mei_me_cl_release(9), mei_me_cl_put(9), __mei_me_cl_del(9), mei_me_cl_del(9), mei_me_cl_add(9), __mei_me_cl_by_uuid(9), mei_me_cl_by_uuid(9), mei_me_cl_by_id(9), __mei_me_cl_by_uuid_id(9), mei_me_cl_by_uuid_id(9), mei_me_cl_rm_by_uuid(9), mei_me_cl_rm_all(9), mei_io_cb_free(9), mei_tx_cb_enqueue(9), mei_tx_cb_dequeue(9), mei_cl_set_read_by_fp(9), mei_io_cb_init(9), mei_io_list_flush_cl(9), mei_io_tx_list_free_cl(9), mei_io_rd_list_free_fp(9), mei_cl_free_pending(9), mei_cl_alloc_cb(9), mei_cl_read_cb(9), mei_cl_flush_queues(9), mei_cl_init(9), mei_cl_allocate(9), mei_cl_link(9), mei_cl_unlink(9), mei_hbuf_acquire(9), mei_cl_wake_all(9), mei_cl_set_disconnected(9), mei_cl_irq_disconnect(9), __mei_cl_disconnect(9), mei_cl_disconnect(9), mei_cl_is_other_connecting(9), mei_cl_send_connect(9), mei_cl_irq_connect(9), mei_cl_connect(9), mei_cl_alloc_linked(9), mei_cl_tx_flow_ctrl_creds(9), mei_cl_tx_flow_ctrl_creds_reduce(9), mei_cl_vtag_alloc(9), mei_cl_fp_by_vtag(9), mei_cl_reset_read_by_vtag(9), mei_cl_read_vtag_add_fc(9), mei_cl_vt_support_check(9), mei_cl_add_rd_completed(9), mei_cl_del_rd_completed(9), mei_cl_notify_fop2req(9), mei_cl_notify_req2fop(9), mei_cl_irq_notify(9), mei_cl_notify_request(9), mei_cl_notify(9), mei_cl_notify_get(9), mei_cl_read_start(9), mei_msg_hdr_init(9), mei_cl_irq_write(9), mei_cl_write(9), mei_cl_complete(9), mei_cl_all_disconnect(9), mei_cl_irq_dma_map(9), mei_cl_irq_dma_unmap(9), mei_cl_dma_alloc_and_map(9), mei_cl_dma_unmap(9)

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and that's the whole page bestie, no cap, you ate that 💅✨

this lil gem lives in ./drivers/misc/mei in the Kernel API Manual, dated October 2026, and it's titled mei_cl_enqueue_ctrl_wr_cb(9) — go forth and enqueue responsibly 🎀🦋💖