_scsih_set_fwfault_debug(9)
πΈ NAME πΈ
okay so welcome to _scsih_set_fwfault_debug, bestie π β and yes, you're reading the Kernel API Manual right now, welcome to the group chat. This function is the global setting of ioc->fwfault_debug. that's it. that's the whole vibe. she's short, she's iconic, she's lowkey mysterious π
π SYNOPSIS π
int _scsih_set_fwfault_debug (const char *val , const struct
kernel_param *kp );
π ARGUMENTS π
valβ the docs literally just say?π bestie we do not know. it's giving "figure it out yourself".kpβ also?π same energy, the manual is playing hard to get on this one.
π¦ RETURN π¦
? β yeah so the return value is listed as ? too π ngl the documentation ate nothing here. go look at the source, iykyk.
β¨ SEE ALSO β¨
first up, the actual file she lives in β kernel file ./drivers/scsi/mpt3sas/mpt3sas_base.c π (it's giving the address, go knock).
and now⦠the entire extended family 𫢠genuinely obsessed, this is the longest group chat invite ever:
mpt3sas_base_check_cmd_timeout(9)_base_readl_aero(9)_base_clone_reply_to_sys_mem(9)_base_clone_mpi_to_sys_mem(9)_base_clone_to_sys_mem(9)_base_get_chain(9)_base_get_chain_phys(9)_base_get_buffer_bar0(9)_base_get_buffer_phys_bar0(9)_base_get_chain_buffer_dma_to_chain_buffer(9)_clone_sg_entries(9)mpt3sas_remove_dead_ioc_func(9)_base_sync_drv_fw_timestamp(9)_base_fault_reset_work(9)mpt3sas_base_start_watchdog(9)mpt3sas_base_stop_watchdog(9)mpt3sas_base_fault_info(9)mpt3sas_base_coredump_info(9)mpt3sas_base_wait_for_coredump_completion(9)mpt3sas_halt_firmware(9)_base_sas_ioc_info(9)_base_display_event_data(9)_base_sas_log_info(9)_base_display_reply_info(9)mpt3sas_base_done(9)_base_async_event(9)_base_get_cb_idx(9)mpt3sas_base_pause_mq_polling(9)mpt3sas_base_resume_mq_polling(9)mpt3sas_base_mask_interrupts(9)mpt3sas_base_unmask_interrupts(9)_base_process_reply_queue(9)mpt3sas_blk_mq_poll(9)_base_interrupt(9)_base_irqpoll(9)_base_init_irqpolls(9)_base_is_controller_msix_enabled(9)mpt3sas_base_sync_reply_irqs(9)mpt3sas_base_release_callback_handler(9)mpt3sas_base_register_callback_handler(9)mpt3sas_base_initialize_callback_handler(9)_base_build_zero_len_sge(9)_base_add_sg_single_32(9)_base_add_sg_single_64(9)_base_get_chain_buffer_tracker(9)_base_build_sg(9)_base_build_nvme_prp(9)base_make_prp_nvme(9)_base_check_pcie_native_sgl(9)_base_add_sg_single_ieee(9)_base_build_zero_len_sge_ieee(9)_base_build_sg_scmd(9)_base_build_sg_scmd_ieee(9)_base_build_sg_ieee(9)_base_config_dma_addressing(9)_base_check_enable_msix(9)mpt3sas_base_free_irq(9)_base_request_irq(9)_base_assign_reply_queues(9)_base_check_and_enable_high_iops_queues(9)mpt3sas_base_disable_msix(9)_base_alloc_irq_vectors(9)_base_enable_msix(9)mpt3sas_base_unmap_resources(9)mpt3sas_base_check_for_fault_and_issue_reset(9)mpt3sas_base_map_resources(9)mpt3sas_base_get_msg_frame(9)mpt3sas_base_get_sense_buffer(9)mpt3sas_base_get_sense_buffer_dma(9)mpt3sas_base_get_pcie_sgl(9)mpt3sas_base_get_pcie_sgl_dma(9)mpt3sas_base_get_reply_virt_addr(9)_base_get_msix_index(9)_base_get_high_iops_msix_index(9)mpt3sas_base_get_smid(9)mpt3sas_base_get_smid_scsiio(9)mpt3sas_base_get_smid_hpr(9)mpt3sas_base_free_smid(9)_base_mpi_ep_writeq(9)_base_writeq(9)_base_set_and_get_msix_index(9)_base_put_smid_mpi_ep_scsi_io(9)_base_put_smid_scsi_io(9)_base_put_smid_fast_path(9)_base_put_smid_hi_priority(9)mpt3sas_base_put_smid_nvme_encap(9)_base_put_smid_default(9)_base_put_smid_scsi_io_atomic(9)_base_put_smid_fast_path_atomic(9)_base_put_smid_hi_priority_atomic(9)_base_put_smid_default_atomic(9)_base_display_OEMs_branding(9)_base_display_fwpkg_version(9)_base_display_ioc_capabilities(9)mpt3sas_base_update_missing_delay(9)_base_update_ioc_page1_inlinewith_perf_mode(9)_base_get_event_diag_triggers(9)_base_get_scsi_diag_triggers(9)_base_get_mpi_diag_triggers(9)_base_get_master_diag_triggers(9)_base_check_for_trigger_pages_support(9)_base_get_diag_triggers(9)_base_update_diag_trigger_pages(9)_base_assign_fw_reported_qd(9)mpt3sas_atto_validate_nvram(9)mpt3sas_atto_get_sas_addr(9)mpt3sas_atto_init(9)_base_static_config_pages(9)mpt3sas_free_enclosure_list(9)_base_release_memory_pools(9)mpt3sas_check_same_4gb_region(9)_base_reduce_hba_queue_depth(9)_base_allocate_pcie_sgl_pool(9)_base_allocate_chain_dma_pool(9)_base_allocate_sense_dma_pool(9)_base_allocate_reply_pool(9)_base_allocate_reply_free_dma_pool(9)_base_allocate_reply_post_free_array(9)base_alloc_rdpq_dma_pool(9)_base_allocate_memory_pools(9)mpt3sas_base_get_iocstate(9)_base_wait_on_iocstate(9)_base_dump_reg_set(9)_base_wait_for_doorbell_int(9)_base_wait_for_doorbell_ack(9)_base_wait_for_doorbell_not_used(9)_base_send_ioc_reset(9)mpt3sas_wait_for_ioc(9)_base_handshake_req_reply_wait(9)mpt3sas_base_sas_iounit_control(9)mpt3sas_base_scsi_enclosure_processor(9)_base_get_port_facts(9)_base_wait_for_iocstate(9)_base_get_ioc_facts(9)_base_send_ioc_init(9)mpt3sas_port_enable_done(9)_base_send_port_enable(9)mpt3sas_port_enable(9)_base_determine_wait_on_discovery(9)_base_unmask_events(9)_base_event_notification(9)mpt3sas_base_validate_event_type(9)mpt3sas_base_unlock_and_get_host_diagnostic(9)mpt3sas_base_lock_host_diagnostic(9)_base_diag_reset(9)mpt3sas_base_make_ioc_ready(9)_base_make_ioc_operational(9)mpt3sas_base_free_resources(9)mpt3sas_base_attach(9)mpt3sas_base_detach(9)_base_pre_reset_handler(9)_base_clear_outstanding_mpt_commands(9)_base_clear_outstanding_commands(9)_base_reset_done_handler(9)mpt3sas_wait_for_commands_to_complete(9)_base_check_ioc_facts_changes(9)mpt3sas_base_hard_reset_handler(9)
that's the whole roster π no cap, she knows everyone.
real talk though: this page is a little light on details (? everywhere, we see you π), so if you're actually debugging firmware faults, the source file above is your bestie, not this summary. π«Ά
with love from ./drivers/scsi/mpt3sas, dated October 2026 β mwah, go touch some DMA buffers πβ¨π
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms