lpfc_pci_probe_one(9)

💅 lpfc_pci_probe_one(9) — like, the whole Kernel API Manual moment ✨

okay so bestie, buckle up — this is lpfc_pci_probe_one, straight out of the Kernel API Manual, and it's genuinely the main character of getting an Emulex HBA noticed by your kernel. no cap. 🎀

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✨ NAME ✨

lpfc_pci_probe_one — the lpfc PCI probe func that registers the device with the PCI subsystem, iykyk 🦋

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🌸 SYNOPSIS 🌸

int lpfc_pci_probe_one (struct pci_dev *pdev , const struct
       pci_device_id *pid );

literally just that. two args, one int coming back at you. periodt. 💅

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🫶 ARGUMENTS 🫶

• pdev — pointer to PCI device 💖 (yes, the actual device, she's the whole point)
• pid — pointer to PCI device identifier ⭐ (the little ID card the device shows at the door)

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🌈 DESCRIPTION 🌈

okay so here's the vibe: this routine is to be registered to the kernel's PCI subsystem. think of it as dropping your number in the group chat so the kernel knows who to text. 📱

When an Emulex HBA device shows up on the PCI bus, the kernel PCI subsystem looks at the PCI device-specific information of the device and the driver to see if the driver states that it can support this kind of device. it's giving vibe check, but for hardware. 👑

If the match is successful — slay — the driver core invokes this routine. 💫

And then this routine dispatches the action to the proper SLI-3 or SLI-4 device probing routine, which will do all the initialization that it needs to do to handle the HBA device properly. no shortcuts, she does the full routine. ✨

Return code 0 — driver can claim the device. negative value — driver can not claim the device. 😭 that's the whole verdict, bestie, don't overthink it.

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🔥 SEE ALSO 🔥

Kernel file ./drivers/scsi/lpfc/lpfc_init.c — and honestly, the entire extended family shows up here. like, everyone. no skips, no "and friends", I'm giving you the whole list fr fr: 🧚

lpfc_config_port_prep(9), lpfc_config_async_cmpl(9),
lpfc_dump_wakeup_param_cmpl(9), lpfc_update_vport_wwn(9),
lpfc_config_port_post(9), lpfc_sli4_refresh_params(9),
lpfc_hba_init_link(9), lpfc_hba_init_link_fc_topology(9),
lpfc_hba_down_link(9), lpfc_hba_down_prep(9),
lpfc_sli4_free_sp_events(9), lpfc_hba_free_post_buf(9),
lpfc_hba_clean_txcmplq(9), lpfc_hba_down_post_s3(9),
lpfc_hba_down_post_s4(9), lpfc_hba_down_post(9), lpfc_hb_timeout(9),
lpfc_rrq_timeout(9), lpfc_hb_mbox_cmpl(9), lpfc_hb_mxp_handler(9),
lpfc_issue_hb_mbox(9), lpfc_issue_hb_tmo(9), lpfc_hb_timeout_handler(9),
lpfc_offline_eratt(9), lpfc_sli4_offline_eratt(9),
lpfc_handle_deferred_eratt(9), lpfc_handle_eratt_s3(9),
lpfc_sli4_port_sta_fn_reset(9), lpfc_handle_eratt_s4(9),
lpfc_handle_eratt(9), lpfc_handle_latt(9), lpfc_parse_vpd(9),
lpfc_get_atto_model_desc(9), lpfc_get_hba_model_desc(9),
lpfc_sli3_post_buffer(9), lpfc_post_rcv_buf(9), lpfc_sha_init(9),
lpfc_sha_iterate(9), lpfc_challenge_key(9), lpfc_hba_init(9),
lpfc_cleanup(9), lpfc_stop_vport_timers(9),
__lpfc_sli4_stop_fcf_redisc_wait_timer(9),
lpfc_sli4_stop_fcf_redisc_wait_timer(9), lpfc_cmf_stop(9),
lpfc_cmf_start(9), lpfc_stop_hba_timers(9), lpfc_block_mgmt_io(9),
lpfc_sli4_node_rpi_restore(9), lpfc_create_expedite_pool(9),
lpfc_destroy_expedite_pool(9), lpfc_create_multixri_pools(9),
lpfc_destroy_multixri_pools(9), lpfc_online(9), lpfc_unblock_mgmt_io(9),
lpfc_offline_prep(9), lpfc_offline(9), lpfc_scsi_free(9),
lpfc_io_free(9), lpfc_sli4_els_sgl_update(9),
lpfc_sli4_nvmet_sgl_update(9), lpfc_sli4_io_sgl_update(9),
lpfc_new_io_buf(9), lpfc_vmid_res_alloc(9), lpfc_create_port(9),
destroy_port(9), lpfc_get_instance(9), lpfc_scan_finished(9),
lpfc_host_attrib_init(9), lpfc_stop_port_s3(9), lpfc_stop_port_s4(9),
lpfc_stop_port(9), lpfc_fcf_redisc_wait_start_timer(9),
lpfc_sli4_fcf_redisc_wait_tmo(9), lpfc_vmid_poll(9),
lpfc_sli4_parse_latt_fault(9), lpfc_sli4_parse_latt_type(9),
lpfc_sli_port_speed_get(9), lpfc_sli4_port_speed_parse(9),
lpfc_sli4_async_link_evt(9), lpfc_async_link_speed_to_read_top(9),
lpfc_cgn_update_stat(9), lpfc_cgn_update_tstamp(9),
lpfc_cmf_stats_timer(9), lpfc_calc_cmf_latency(9), lpfc_cmf_timer(9),
lpfc_sli4_async_fc_evt(9), lpfc_sli4_async_sli_evt(9),
lpfc_sli4_perform_vport_cvl(9), lpfc_sli4_perform_all_vport_cvl(9),
lpfc_sli4_async_fip_evt(9), lpfc_sli4_async_dcbx_evt(9),
lpfc_sli4_async_grp5_evt(9), lpfc_sli4_async_cmstat_evt(9),
lpfc_cgn_params_val(9), lpfc_cgn_params_parse(9),
lpfc_sli4_cgn_params_read(9), lpfc_sli4_cgn_parm_chg_evt(9),
lpfc_sli4_async_event_proc(9), lpfc_sli4_fcf_redisc_event_proc(9),
lpfc_api_table_setup(9), lpfc_log_intr_mode(9), lpfc_enable_pci_dev(9),
lpfc_disable_pci_dev(9), lpfc_reset_hba(9),
lpfc_sli_sriov_nr_virtfn_get(9), lpfc_sli_probe_sriov_nr_virtfn(9),
lpfc_setup_driver_resource_phase1(9), lpfc_sli_driver_resource_setup(9),
lpfc_sli_driver_resource_unset(9), lpfc_sli4_driver_resource_setup(9),
lpfc_sli4_driver_resource_unset(9), lpfc_init_api_table_setup(9),
lpfc_setup_driver_resource_phase2(9),
lpfc_unset_driver_resource_phase2(9), lpfc_free_iocb_list(9),
lpfc_init_iocb_list(9), lpfc_free_sgl_list(9),
lpfc_free_els_sgl_list(9), lpfc_free_nvmet_sgl_list(9),
lpfc_init_active_sgl_array(9), lpfc_free_active_sgl(9),
lpfc_init_sgl_list(9), lpfc_sli4_init_rpi_hdrs(9),
lpfc_sli4_create_rpi_hdr(9), lpfc_sli4_remove_rpi_hdrs(9),
lpfc_hba_alloc(9), lpfc_hba_free(9), lpfc_setup_fdmi_mask(9),
lpfc_create_shost(9), lpfc_destroy_shost(9), lpfc_setup_bg(9),
lpfc_post_init_setup(9), lpfc_sli_pci_mem_setup(9),
lpfc_sli_pci_mem_unset(9), lpfc_sli4_post_status_check(9),
lpfc_sli4_bar0_register_memmap(9), lpfc_sli4_bar1_register_memmap(9),
lpfc_sli4_bar2_register_memmap(9), lpfc_create_bootstrap_mbox(9),
lpfc_destroy_bootstrap_mbox(9), lpfc_map_topology(9),
lpfc_sli4_read_config(9), lpfc_setup_endian_order(9),
lpfc_sli4_queue_verify(9), lpfc_sli4_queue_create(9),
lpfc_sli4_queue_destroy(9), lpfc_setup_cq_lookup(9),
lpfc_sli4_queue_setup(9), lpfc_sli4_queue_unset(9),
lpfc_sli4_cq_event_pool_create(9), lpfc_sli4_cq_event_pool_destroy(9),
__lpfc_sli4_cq_event_alloc(9), lpfc_sli4_cq_event_alloc(9),
__lpfc_sli4_cq_event_release(9), lpfc_sli4_cq_event_release(9),
lpfc_sli4_cq_event_release_all(9), lpfc_pci_function_reset(9),
lpfc_sli4_pci_mem_setup(9), lpfc_sli4_pci_mem_unset(9),
lpfc_sli_enable_msix(9), lpfc_sli_enable_msi(9),
lpfc_sli_enable_intr(9), lpfc_sli_disable_intr(9),
lpfc_find_cpu_handle(9), lpfc_find_hyper(9), lpfc_cpu_map_array_init(9),
lpfc_hba_eq_hdl_array_init(9), lpfc_cpu_affinity_check(9),
lpfc_cpuhp_get_eq(9), lpfc_irq_set_aff(9), lpfc_irq_clear_aff(9),
lpfc_irq_rebalance(9), lpfc_sli4_enable_msix(9),
lpfc_sli4_enable_msi(9), lpfc_sli4_enable_intr(9),
lpfc_sli4_disable_intr(9), lpfc_unset_hba(9),
lpfc_sli4_xri_exchange_busy_wait(9), lpfc_sli4_hba_unset(9),
__lpfc_reg_congestion_buf(9), lpfc_get_sli4_parameters(9),
lpfc_pci_probe_one_s3(9), lpfc_pci_remove_one_s3(9),
lpfc_pci_suspend_one_s3(9), lpfc_pci_resume_one_s3(9),
lpfc_sli_prep_dev_for_recover(9), lpfc_sli_prep_dev_for_reset(9),
lpfc_sli_prep_dev_for_perm_failure(9), lpfc_io_error_detected_s3(9),
lpfc_io_slot_reset_s3(9), lpfc_io_resume_s3(9),
lpfc_sli4_get_els_iocb_cnt(9), lpfc_sli4_get_iocb_cnt(9),
lpfc_write_firmware(9), lpfc_sli4_request_firmware_update(9),
lpfc_pci_probe_one_s4(9), lpfc_pci_remove_one_s4(9),
lpfc_pci_suspend_one_s4(9), lpfc_pci_resume_one_s4(9),
lpfc_sli4_prep_dev_for_recover(9), lpfc_sli4_prep_dev_for_reset(9),
lpfc_sli4_prep_dev_for_perm_failure(9), lpfc_io_error_detected_s4(9),
lpfc_io_slot_reset_s4(9), lpfc_io_resume_s4(9), lpfc_pci_remove_one(9),
lpfc_pci_suspend_one(9), lpfc_pci_resume_one(9),
lpfc_io_error_detected(9), lpfc_io_slot_reset(9), lpfc_io_resume(9),
lpfc_sli4_oas_verify(9), lpfc_sli4_ras_init(9), lpfc_init(9),
lpfc_exit(9)

she ate and left absolutely no crumbs. 💀🍓

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and that's the page, bestie!! 🫶 this little icon lives in ./drivers/scsi/lpfc, and it's dated October 2026 — so yeah, future girl summer. go read your kernel source, ily, bye!! 🌸✨💜