alloc_ud_wq_attr(9)

okay bestie, welcome to the Kernel API Manual page for alloc_ud_wq_attr(9) — the AH attribute cache for UD QPs, no cap 💖

🌸 NAME 🌸

alloc_ud_wq_attr — AH attribute cache for UD QPs 💅

✨ SYNOPSIS ✨

int alloc_ud_wq_attr (struct rvt_qp *qp , int node );

🎀 ARGUMENTS 🎀

• qp — a valid QP with allowed_ops set, periodt.
• node — the Numa node for allocation, bestie.

🦋 DESCRIPTION 🦋

So here's the tea: the rvt_swqe data structure being used is a union, which means this is only valid for UD QPs. Not me inventing rules — that's literally the vibe check here 😭

🌈 SEE ALSO 🌈

• kernel file: ./drivers/infiniband/sw/rdmavt/qp.c
• function besties: init_qpn_table(9), free_qpn_table(9), rvt_driver_qp_init(9), rvt_free_qp_cb(9), rvt_free_all_qps(9), rvt_qp_exit(9), alloc_qpn(9), rvt_clear_mr_refs(9), rvt_swqe_has_lkey(9), rvt_qp_sends_has_lkey(9), rvt_qp_acks_has_lkey(9), rvt_qp_mr_clean(9), rvt_remove_qp(9), rvt_alloc_rq(9), rvt_init_qp(9), _rvt_reset_qp(9), rvt_reset_qp(9), rvt_free_qpn(9), get_allowed_ops(9), free_ud_wq_attr(9), rvt_create_qp(9), rvt_error_qp(9), rvt_modify_qp(9), rvt_destroy_qp(9), rvt_query_qp(9), rvt_post_recv(9), rvt_qp_valid_operation(9), rvt_qp_is_avail(9), rvt_post_one_wr(9), rvt_post_send(9), rvt_post_srq_recv(9), get_rvt_head(9), rvt_get_rwqe(9), rvt_comm_est(9), rvt_add_rnr_timer(9), rvt_stop_rc_timers(9), rvt_stop_rnr_timer(9), rvt_del_timers_sync(9), rvt_qp_iter_init(9), rvt_qp_iter_next(9), rvt_qp_iter(9), rvt_copy_sge(9), rvt_ruc_loopback(9)

xoxo bestie — this has been alloc_ud_wq_attr(9) from the ./drivers/infiniband/sw/rdmavt source, dated October 2026 💅🫶🎀