user_exp_rcv_setup(9)

💖 NAME 💖

okay so bestie, this is user_exp_rcv_setup(9) from the Kernel API Manual 🫶 and it's literally here to set up the given tid rcv list. That's the whole vibe. No cap.

✨ SYNOPSIS ✨

int user_exp_rcv_setup (struct hfi1_filedata *fd , unsigned long arg ,
u32 len );

🎀 ARGUMENTS 🎀

• fd — the file data of the current driver instance. main character energy for this driver moment.
• arg — the ioctl argumnent for user space information. (yes, "argumnent" is the manual's spelling — iconic, we move 💀)
• len — the length of the data structure associated with the ioctl command.

🌸 DESCRIPTION 🌸

It's a wrapper that validates ioctl information before doing _rcv_setup. That's it, that's the job: vibe check the ioctl info first, then let _rcv_setup do its thing ✨

🦋 SEE ALSO 🦋

Kernel file ./drivers/infiniband/hw/hfi1/file_ops.c — go look at these besties:

• complete_subctxt(9)
• match_ctxt(9)
• find_sub_ctxt(9)
• user_exp_rcv_clear(9)
• user_exp_rcv_invalid(9)
• manage_rcvq(9)
• ctxt_reset(9)

Source spot: ./drivers/infiniband/hw/hfi1 · date stamp: October 2026. Stay slay, kernel bestie 💜