build_ahg(9)

✨ build_ahg(9) ✨

okay so this is the build_ahg(9) page from the Kernel API Manual, and it’s literally about creating ahg in s_ahg 💅 no cap.

🎀 NAME 🎀

build_ahg — create ahg in s_ahg 🫶

🌸 SYNOPSIS 🌸

void build_ahg (struct rvt_qp *qp , u32 npsn );

💖 ARGUMENTS 💖

• qp — a pointer to QP 👑 main-character pointer energy.
• npsn — the next PSN for the request/response 🔥 not me keeping track of PSNs.

💅 DESCRIPTION 💅

okay so this routine handles the AHG by allocating an ahg entry and causing the copy of the first middle ✨ lowkey important.

Subsequent middles use the copied entry, editing the PSN with 1 or 2 edits 🎀 periodt.

🦋 SEE ALSO 🦋

Kernel file ./drivers/infiniband/hw/hfi1/ruc.c and these iconique friends:

• hfi1_make_grh(9)
• hfi1_make_ruc_header_16B(9)
• hfi1_make_ruc_header_9B(9)
• hfi1_schedule_send_yield(9)
• hfi1_do_send(9)

made with love in ./drivers/infiniband/hw/hfi1, October 2026 💖🧚‍♀️