loader_write_message(9)

💅 loader_write_message(9) 💅

okay so bestie, this is the loader_write_message(9) page from the Kernel API Manual, and it's literally about writing a message to the ISHTP device. iconic little helper, no cap. ✨

💖 NAME 💖

loader_write_message — write a message to the ISHTP device. that's the whole vibe, fr fr. 🎀

✨ SYNOPSIS ✨

int loader_write_message (struct ishtp_device *dev , void *buf , int len
);

🧚 ARGUMENTS 🧚

• dev — the ISHTP device. main character energy, honestly.
• buf — the buffer containing the message. 🫶
• len — the length of the message. slay. 💅

🌈 RETURN 🌈

• 0 on success.
• a negative error code on failure. 😭

like, success is the cute 0, and failure is giving negative error code energy. lowkey dramatic but valid. 💀

🦋 SEE ALSO 🦋

• Kernel file ./drivers/hid/intel-ish-hid/ishtp/loader.c
• loader_xfer_cmd(9)
• release_dma_bufs(9)
• prepare_dma_bufs(9)
• request_ish_firmware(9)
• ishtp_loader_work(9)

mwah 💋 this page lives at ./drivers/hid/intel-ish-hid/ishtp, dated October 2026, and it's the loader_write_message(9) page — periodt. 🫶🌸