loader_xfer_cmd(9)

💅 loader_xfer_cmd(9)

okay so bestie, welcome to the Kernel API Manual — this one's loader_xfer_cmd(9) and it's literally the little messenger that hands a command over to your ISHTP device. no cap, it's a small function but it's doing main character work behind the scenes 🎀

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✨ NAME ✨

loader_xfer_cmd — transfer a command to the ISHTP device 🦋

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✨ SYNOPSIS ✨

int loader_xfer_cmd (struct ishtp_device *dev , void *req , int req_len
, void *resp , int resp_len );

she takes five things and gives you back an int, periodt ✨

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✨ ARGUMENTS ✨

• dev — the ISHTP device itself, the whole vibe check of the operation 👑
• req — the request buffer, aka the message you're sending out into the world 💌
• req_len — the length of the request, because girlies count their bytes 📏
• resp — the response buffer, where the answer lands when it comes back 🫶
• resp_len — the length of the response, same energy, different buffer 🌸

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✨ RETURN ✨

0 on success 😌 negative error code on failure 😭 — that's it, that's the whole mood.

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✨ SEE ALSO ✨

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

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and that's the whole page, bestie 🧚 this lil legend lives in ./drivers/hid/intel-ish-hid/ishtp, dated October 2026 — go forth and transfer your commands responsibly 💜🔥