ish_ipc_get_header(9)

🎀 ish_ipc_get_header(9) 🎀

okay bestie, welcome to ish_ipc_get_header(9) from the Kernel API Manual — this is the page where we get the door bell value out of a message header, and yes it’s as niche and iconic as it sounds. 💅✨

✨ NAME ✨

ish_ipc_get_header — Get doorbell value. that’s the whole name, bestie — no cap.

🎀 SYNOPSIS 🎀

okay so here’s the signature, copied exactly because we do not play with code:

uint32_t ish_ipc_get_header (struct ishtp_device *dev , int length , int
       busy );

💅 ARGUMENTS 💅

• dev — ishtp device pointer. literally the device pointer you’re working with, bestie.
• length — length of message. yes, how long the message is. iconic.
• busy — busy status. the busy vibe check, basically.

🦋 DESCRIPTION 🦋

Get door bell value from message header. that’s it — this function reaches into the message header and pulls out the door bell value. lowkey iconic behavior, honestly.

🌸 RETURN 🌸

It returns the door bell value. slay. 🫶

🔥 SEE ALSO 🔥

Kernel file: ./drivers/hid/intel-ish-hid/ipc/ipc.c — and here’s the whole friend group, all listed with their (9) sections:

• ish_reg_read(9)
• ish_reg_write(9)
• _ish_read_fw_sts_reg(9)
• check_generated_interrupt(9)
• ish_is_input_ready(9)
• set_host_ready(9)
• ishtp_fw_is_ready(9)
• ish_set_host_rdy(9)
• ish_clr_host_rdy(9)
• ish_set_host_ready(9)
• _ishtp_read_hdr(9)
• _ishtp_read(9)
• write_ipc_from_queue(9)
• write_ipc_to_queue(9)
• ipc_send_mng_msg(9)
• timed_wait_for_timeout(9)
• ish_fw_reset_handler(9)
• fw_reset_work_fn(9)
• _ish_sync_fw_clock(9)
• recv_ipc(9)
• ish_irq_handler(9)
• ish_disable_dma(9)
• ish_wakeup(9)
• _ish_hw_reset(9)
• _ish_ipc_reset(9)
• ish_hw_start(9)
• _dma_no_cache_snooping(9)
• ish_dev_init(9)
• ish_device_disable(9)

okay bye bestie 🫶 source/version: ./drivers/hid/intel-ish-hid/ipc · date: October 2026 · ish_ipc_get_header(9) out 💅