get_tcs_for_msg(9)

🌸 NAME 🌸

okay so bestie, welcome to the get_tcs_for_msg(9) page in the Kernel API Manual 💖. This function is literally here to Get the tcs_group used to send the given message. That’s the whole assignment, no cap periodt ✨

✨ SYNOPSIS ✨

struct tcs_group * get_tcs_for_msg (struct rsc_drv *drv , const struct
tcs_request *msg );

copy-paste safe, bestie 🫶

🎀 ARGUMENTS 🎀

• drv — The RSC controller. iconic controller behavior 👑
• msg — The message we want to send. the whole point 💌

💅 DESCRIPTION 💅

okay so normally this is pretty straightforward, except if we are trying to send an ACTIVE_ONLY message but don't have any active_only TCSes. That’s the little plot twist 😭 — the vibe check gets spicy 🔥

🫶 RETURN 🫶

A pointer to a tcs_group or an ERR_PTR. that’s it, that’s the return 💅✨

🔥 SEE ALSO 🔥

Kernel file ./drivers/soc/qcom/rpmh-rsc.c — go read the source, bestie 📚💖

• tcs_invalidate(9)
• rpmh_rsc_invalidate(9)
• get_req_from_tcs(9)
• __tcs_set_trigger(9)
• enable_tcs_irq(9)
• tcs_tx_done(9)
• __tcs_buffer_write(9)
• check_for_req_inflight(9)
• find_free_tcs(9)
• claim_tcs_for_req(9)
• rpmh_rsc_send_data(9)
• find_slots(9)
• rpmh_rsc_write_ctrl_data(9)
• rpmh_rsc_ctrlr_is_busy(9)
• rpmh_rsc_write_next_wakeup(9)
• rpmh_rsc_cpu_pm_callback(9)
• rpmh_rsc_pd_callback(9)

byeee bestie — this page is from ./drivers/soc/qcom, dated October 2026, and it’s the get_tcs_for_msg(9) page. slay and stay safe out there 💅💖