lpfc_sli4_next_xritag(9)

✨ lpfc_sli4_next_xritag ✨

okay so this is a section 9 kernel API page, bestie — it's from the kernel API manual, and it's literally just one tiny function that hands out xritags. short page, big squad of friends (you'll see in SEE ALSO, it's giving family reunion 😭).

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🌸 NAME 🌸

lpfc_sli4_next_xritag — get an xritag for the io 💅

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🎀 SYNOPSIS 🎀

uint16_t lpfc_sli4_next_xritag (struct lpfc_hba *phba );

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🦋 ARGUMENTS 🦋

• phba — pointer to the HBA context object. that's it, that's the whole vibe 🫶

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⭐ DESCRIPTION ⭐

ok so here's the tea ☕ — this function gets an xritag for the iocb. that's its whole job. main character energy, honestly.

if there's no unused xritag left to give? it returns 0xffff. like sorry bestie, sold out 💀.

the function returns the allocated xritag if it succeeds — else it returns zero. and listen, zero is not a valid xritag, so if you see a 0 you know something went sideways, no cap.

also good news: the caller is not required to hold any lock. so no awkward lock drama, we love a low-maintenance function ✨.

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💜 SEE ALSO 💜

the kernel file is ./drivers/scsi/lpfc/lpfc_sli.c, and here's the entire squad, in order, no gatekeeping 💖:

lpfc_sli4_pcimem_bcopy(9), lpfc_sli4_wq_put(9), lpfc_sli4_wq_release(9),
lpfc_sli4_mq_put(9), lpfc_sli4_mq_release(9), lpfc_sli4_eq_get(9),
lpfc_sli4_eq_clr_intr(9), lpfc_sli4_if6_eq_clr_intr(9),
lpfc_sli4_write_eq_db(9), lpfc_sli4_if6_write_eq_db(9), lpfc_sli4_cq_get(9),
lpfc_sli4_write_cq_db(9), lpfc_sli4_if6_write_cq_db(9), lpfc_cmd_iocb(9),
lpfc_resp_iocb(9), __lpfc_sli_get_iocbq(9), __lpfc_clear_active_sglq(9),
__lpfc_get_active_sglq(9), lpfc_clr_rrq_active(9), lpfc_handle_rrq_active(9),
lpfc_get_active_rrq(9), lpfc_cleanup_vports_rrqs(9), lpfc_test_rrq_active(9),
lpfc_set_rrq_active(9), __lpfc_sli_get_els_sglq(9),
__lpfc_sli_get_nvmet_sglq(9), lpfc_sli_get_iocbq(9),
__lpfc_sli_release_iocbq_s4(9), __lpfc_sli_release_iocbq_s3(9),
__lpfc_sli_release_iocbq(9), lpfc_sli_release_iocbq(9),
lpfc_sli_cancel_iocbs(9), lpfc_sli_iocb_cmd_type(9), lpfc_sli_ring_map(9),
lpfc_sli_ringtxcmpl_put(9), lpfc_sli_ringtx_get(9), lpfc_cmf_sync_cmpl(9),
lpfc_issue_cmf_sync_wqe(9), lpfc_sli_next_iocb_slot(9),
lpfc_sli_next_iotag(9), lpfc_sli_submit_iocb(9), lpfc_sli_update_full_ring(9),
lpfc_sli_update_ring(9), lpfc_sli_resume_iocb(9), lpfc_sli_next_hbq_slot(9),
lpfc_sli_hbqbuf_free_all(9), lpfc_sli_hbq_to_firmware(9),
lpfc_sli_hbq_to_firmware_s3(9), lpfc_sli_hbq_to_firmware_s4(9),
lpfc_sli_hbqbuf_fill_hbqs(9), lpfc_sli_hbqbuf_add_hbqs(9),
lpfc_sli_hbqbuf_init_hbqs(9), lpfc_sli_rqbuf_get(9), lpfc_sli_hbqbuf_find(9),
lpfc_sli_free_hbq(9), lpfc_sli_chk_mbx_command(9), lpfc_sli_wake_mbox_wait(9),
lpfc_sli_def_mbox_cmpl(9), lpfc_sli_handle_mb_event(9), lpfc_sli_get_buff(9),
lpfc_nvme_unsol_ls_handler(9), lpfc_complete_unsol_iocb(9),
lpfc_sli_process_unsol_iocb(9), lpfc_sli_iocbq_lookup(9),
lpfc_sli_iocbq_lookup_by_tag(9), lpfc_sli_process_sol_iocb(9),
lpfc_sli_rsp_pointers_error(9), lpfc_poll_eratt(9),
lpfc_sli_handle_fast_ring_event(9), lpfc_sli_sp_handle_rspiocb(9),
lpfc_sli_handle_slow_ring_event(9), lpfc_sli_handle_slow_ring_event_s3(9),
lpfc_sli_handle_slow_ring_event_s4(9), lpfc_sli_abort_iocb_ring(9),
lpfc_sli_abort_fcp_rings(9), lpfc_sli_flush_io_rings(9),
lpfc_sli_brdready_s3(9), lpfc_sli_brdready_s4(9), lpfc_sli_brdready(9),
lpfc_reset_barrier(9), lpfc_sli_brdkill(9), lpfc_sli_brdreset(9),
lpfc_sli4_brdreset(9), lpfc_sli_brdrestart_s3(9), lpfc_sli_brdrestart_s4(9),
lpfc_sli_brdrestart(9), lpfc_sli_chipset_init(9), lpfc_sli_hbq_count(9),
lpfc_sli_hbq_entry_count(9), lpfc_sli_hbq_size(9), lpfc_sli_hbq_setup(9),
lpfc_sli4_rb_setup(9), lpfc_sli_config_port(9), lpfc_sli_hba_setup(9),
lpfc_sli4_read_fcoe_params(9), lpfc_sli4_read_rev(9),
lpfc_sli4_get_ctl_attr(9), lpfc_sli4_retrieve_pport_name(9),
lpfc_sli4_arm_cqeq_intr(9), lpfc_sli4_get_avail_extnt_rsrc(9),
lpfc_sli4_chk_avail_extnt_rsrc(9), lpfc_sli4_cfg_post_extnts(9),
lpfc_sli4_alloc_extent(9), lpfc_sli4_dealloc_extent(9),
lpfc_ras_stop_fwlog(9), lpfc_sli4_ras_dma_free(9), lpfc_sli4_ras_dma_alloc(9),
lpfc_sli4_ras_mbox_cmpl(9), lpfc_sli4_ras_fwlog_init(9),
lpfc_sli4_ras_setup(9), lpfc_sli4_alloc_resource_identifiers(9),
lpfc_sli4_dealloc_resource_identifiers(9), lpfc_sli4_get_allocated_extnts(9),
lpfc_sli4_repost_sgl_list(9), lpfc_sli4_repost_io_sgl_list(9),
lpfc_init_idle_stat_hb(9), lpfc_rx_monitor_create_ring(9),
lpfc_rx_monitor_destroy_ring(9), lpfc_rx_monitor_record(9),
lpfc_rx_monitor_report(9), lpfc_cmf_setup(9), lpfc_get_platform_uuid(9),
lpfc_sli4_hba_setup(9), lpfc_mbox_timeout(9),
lpfc_sli4_mbox_completions_pending(9),
lpfc_sli4_process_missed_mbox_completions(9), lpfc_mbox_timeout_handler(9),
lpfc_sli_issue_mbox_s3(9), lpfc_sli4_async_mbox_block(9),
lpfc_sli4_async_mbox_unblock(9), lpfc_sli4_wait_bmbx_ready(9),
lpfc_sli4_post_sync_mbox(9), lpfc_sli_issue_mbox_s4(9),
lpfc_sli4_post_async_mbox(9), lpfc_sli_issue_mbox(9),
lpfc_mbox_api_table_setup(9), __lpfc_sli_ringtx_put(9),
lpfc_sli_next_iocb(9), __lpfc_sli_issue_iocb_s3(9),
__lpfc_sli_issue_fcp_io_s3(9), __lpfc_sli_issue_fcp_io_s4(9),
__lpfc_sli_issue_iocb_s4(9), lpfc_sli_api_table_setup(9),
lpfc_sli4_calc_ring(9), lpfc_sli_issue_iocb(9), lpfc_extra_ring_setup(9),
lpfc_sli_async_event_handler(9), lpfc_sli4_setup(9), lpfc_sli_setup(9),
lpfc_sli4_queue_init(9), lpfc_sli_queue_init(9), lpfc_sli_mbox_sys_flush(9),
lpfc_sli_host_down(9), lpfc_sli_hba_down(9), lpfc_sli_pcimem_bcopy(9),
lpfc_sli_bemem_bcopy(9), lpfc_sli_ringpostbuf_put(9),
lpfc_sli_get_buffer_tag(9), lpfc_sli_ring_taggedbuf_get(9),
lpfc_sli_ringpostbuf_get(9), lpfc_sli_abort_els_cmpl(9),
lpfc_ignore_els_cmpl(9), lpfc_sli_issue_abort_iotag(9),
lpfc_sli_hba_iocb_abort(9), lpfc_sli_validate_fcp_iocb_for_abort(9),
lpfc_sli_validate_fcp_iocb(9), lpfc_sli_sum_iocb(9),
lpfc_sli_abort_fcp_cmpl(9), lpfc_sli_abort_iocb(9),
lpfc_sli_abort_taskmgmt(9), lpfc_sli_wake_iocb_wait(9),
lpfc_chk_iocb_flg(9), lpfc_sli_issue_iocb_wait(9),
lpfc_sli_issue_mbox_wait(9), lpfc_sli_mbox_sys_shutdown(9),
lpfc_sli_eratt_read(9), lpfc_sli4_eratt_read(9), lpfc_sli_check_eratt(9),
lpfc_intr_state_check(9), lpfc_sli_sp_intr_handler(9),
lpfc_sli_fp_intr_handler(9), lpfc_sli_intr_handler(9),
lpfc_sli4_els_xri_abort_event_proc(9), lpfc_sli4_els_preprocess_rspiocbq(9),
lpfc_sli4_sp_handle_async_event(9), lpfc_sli4_sp_handle_mbox_event(9),
lpfc_sli4_sp_handle_mcqe(9), lpfc_sli4_sp_handle_els_wcqe(9),
lpfc_sli4_sp_handle_rel_wcqe(9), lpfc_sli4_sp_handle_abort_xri_wcqe(9),
lpfc_sli4_sp_handle_rcqe(9), lpfc_sli4_sp_handle_cqe(9),
lpfc_sli4_sp_handle_eqe(9), __lpfc_sli4_process_cq(9),
__lpfc_sli4_sp_process_cq(9), lpfc_sli4_sp_process_cq(9),
lpfc_sli4_dly_sp_process_cq(9), lpfc_sli4_fp_handle_fcp_wcqe(9),
lpfc_sli4_fp_handle_rel_wcqe(9), lpfc_sli4_nvmet_handle_rcqe(9),
lpfc_sli4_fp_handle_cqe(9), __lpfc_sli4_hba_process_cq(9),
lpfc_sli4_hba_process_cq(9), lpfc_sli4_hba_handle_eqe(9),
lpfc_sli4_dly_hba_process_cq(9), lpfc_sli4_hba_intr_handler(9),
lpfc_sli4_intr_handler(9), lpfc_sli4_queue_free(9),
lpfc_sli4_queue_alloc(9), lpfc_dual_chute_pci_bar_map(9),
lpfc_modify_hba_eq_delay(9), lpfc_eq_create(9),
lpfc_sli4_hba_intr_handler_th(9), lpfc_cq_create(9), lpfc_cq_create_set(9),
lpfc_mq_create_fb_init(9), lpfc_mq_create(9), lpfc_wq_create(9),
lpfc_rq_create(9), lpfc_mrq_create(9), lpfc_eq_destroy(9),
lpfc_cq_destroy(9), lpfc_mq_destroy(9), lpfc_wq_destroy(9),
lpfc_rq_destroy(9), lpfc_sli4_post_sgl(9), lpfc_sli4_alloc_xri(9),
__lpfc_sli4_free_xri(9), lpfc_sli4_free_xri(9), lpfc_sli4_post_sgl_list(9),
lpfc_sli4_post_io_sgl_block(9), lpfc_sli4_post_io_sgl_list(9),
lpfc_fc_frame_check(9), lpfc_fc_hdr_get_vfi(9), lpfc_fc_frame_to_vport(9),
lpfc_update_rcv_time_stamp(9), lpfc_cleanup_rcv_buffers(9),
lpfc_rcv_seq_check_edtov(9), lpfc_fc_frame_add(9),
lpfc_sli4_abort_partial_seq(9), lpfc_sli4_abort_ulp_seq(9),
lpfc_sli4_seq_abort_rsp_cmpl(9), lpfc_sli4_xri_inrange(9),
lpfc_sli4_seq_abort_rsp(9), lpfc_sli4_handle_unsol_abort(9),
lpfc_seq_complete(9), lpfc_prep_seq(9), lpfc_sli4_handle_received_buffer(9),
lpfc_sli4_post_all_rpi_hdrs(9), lpfc_sli4_post_rpi_hdr(9),
lpfc_sli4_alloc_rpi(9), __lpfc_sli4_free_rpi(9), lpfc_sli4_free_rpi(9),
lpfc_sli4_remove_rpis(9), lpfc_sli4_resume_rpi(9), lpfc_sli4_init_vpi(9),
lpfc_mbx_cmpl_add_fcf_record(9), lpfc_sli4_add_fcf_record(9),
lpfc_sli4_build_dflt_fcf_record(9), lpfc_sli4_fcf_scan_read_fcf_rec(9),
lpfc_sli4_fcf_rr_read_fcf_rec(9), lpfc_sli4_read_fcf_rec(9),
lpfc_check_next_fcf_pri_level(9), lpfc_sli4_fcf_rr_next_index_get(9),
lpfc_sli4_fcf_rr_index_set(9), lpfc_sli4_fcf_rr_index_clear(9),
lpfc_mbx_cmpl_redisc_fcf_table(9), lpfc_sli4_redisc_fcf_table(9),
lpfc_sli4_fcf_dead_failthrough(9), lpfc_sli_get_config_region23(9),
lpfc_sli4_get_config_region23(9), lpfc_sli_read_link_ste(9),
lpfc_log_fw_write_cmpl(9), lpfc_wr_object(9), lpfc_cleanup_pending_mbox(9),
lpfc_drain_txq(9), lpfc_wqe_bpl2sgl(9), lpfc_sli4_issue_wqe(9),
lpfc_sli4_issue_abort_iotag(9), lpfc_snapshot_mxp(9),
lpfc_adjust_pvt_pool_count(9), lpfc_adjust_high_watermark(9),
lpfc_move_xri_pvt_to_pbl(9), _lpfc_move_xri_pbl_to_pvt(9),
lpfc_move_xri_pbl_to_pvt(9), lpfc_keep_pvt_pool_above_lowwm(9),
lpfc_release_io_buf(9), lpfc_get_io_buf_from_private_pool(9),
lpfc_get_io_buf_from_expedite_pool(9), lpfc_get_io_buf_from_multixri_pools(9),
lpfc_get_io_buf(9), lpfc_read_object(9), lpfc_get_sgl_per_hdwq(9),
lpfc_put_sgl_per_hdwq(9), lpfc_free_sgl_per_hdwq(9),
lpfc_get_cmd_rsp_buf_per_hdwq(9), lpfc_put_cmd_rsp_buf_per_hdwq(9),
lpfc_free_cmd_rsp_buf_per_hdwq(9), lpfc_sli_prep_wqe(9)

like… that's a LOT of friends and honestly every single one of them ate 🔥. go read them too, iykyk.

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🌈 the cute sign-off 🌈

this page lives under ./drivers/scsi/lpfc, and it was dated October 2026 — so yeah, future vibes only 👑. hope this helped bestie, go get that xritag 💖✨🎀