sas_device_handle_show(9)

💅 sas_device_handle_show(9) — from the Kernel API Manual, bestie ✨

okay so you opened a manpage in the Kernel API Manual and the star of the show is sas_device_handle_show(9). don't panic, it's actually so chill. let me walk you through it 🫶

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🌸 NAME 🌸

sas_device_handle_show — lowkey just the device handle ✨

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🎀 SYNOPSIS 🎀

ssize_t sas_device_handle_show (struct device *dev , struct
       device_attribute *attr , char *buf );

that's the whole signature, character for character, no notes 💅

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🦋 ARGUMENTS 🦋

• dev — pointer to embedded class device. that's your entry point, bestie 🫶
• attr — literally just ?. the docs don't know either. it's giving mystery. iconic of them honestly 🙈
• buf — the buffer returned. this is where the goods come out 📤

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🔥 DESCRIPTION 🔥

so what does it do?? it's the firmware assigned device handle. that's the tea. the firmware handed it out, this shows it ☕✨

and psst — it's a sysfs 'read-only' shost attribute. read-only means read-only, so don't go trying to write to it, that's not the vibe 💀

ngl the description is short but it ate. not every function needs a whole essay 💅

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⭐ SEE ALSO ⭐

the cross-reference list is long, and honestly? queen behavior. anyway, they all live in the kernel file ./drivers/scsi/mpt3sas/mpt3sas_ctl.c, so here's every single one, no cap, nothing skipped 🧚:

• enum block_state(9)
• _ctl_display_some_debug(9)
• mpt3sas_ctl_done(9)
• _ctl_check_event_type(9)
• mpt3sas_ctl_add_to_event_log(9)
• mpt3sas_ctl_event_callback(9)
• _ctl_verify_adapter(9)
• mpt3sas_ctl_pre_reset_handler(9)
• mpt3sas_ctl_clear_outstanding_ioctls(9)
• mpt3sas_ctl_reset_done_handler(9)
• _ctl_fasync(9)
• _ctl_poll(9)
• _ctl_set_task_mid(9)
• _ctl_send_mctp_passthru_req(9)
• _ctl_do_mpt_command(9)
• _ctl_getiocinfo(9)
• _ctl_eventquery(9)
• _ctl_eventenable(9)
• _ctl_eventreport(9)
• _ctl_do_reset(9)
• _ctl_btdh_search_sas_device(9)
• _ctl_btdh_search_pcie_device(9)
• _ctl_btdh_search_raid_device(9)
• _ctl_btdh_mapping(9)
• _ctl_diag_capability(9)
• _ctl_diag_get_bufftype(9)
• _ctl_diag_register_2(9)
• mpt3sas_enable_diag_buffer(9)
• _ctl_diag_register(9)
• _ctl_diag_unregister(9)
• _ctl_diag_query(9)
• mpt3sas_send_diag_release(9)
• _ctl_diag_release(9)
• _ctl_diag_read_buffer(9)
• _ctl_addnl_diag_query(9)
• _ctl_enable_diag_sbr_reload(9)
• _ctl_compat_mpt_command(9)
• _ctl_ioctl_main(9)
• _ctl_get_mpt_mctp_passthru_adapter(9)
• mpt3sas_get_device_count(9)
• _ctl_ioctl(9)
• _ctl_mpt2_ioctl(9)
• _ctl_ioctl_compat(9)
• _ctl_mpt2_ioctl_compat(9)
• version_fw_show(9)
• version_bios_show(9)
• version_mpi_show(9)
• version_product_show(9)
• version_nvdata_persistent_show(9)
• version_nvdata_default_show(9)
• board_name_show(9)
• board_assembly_show(9)
• board_tracer_show(9)
• io_delay_show(9)
• device_delay_show(9)
• fw_queue_depth_show(9)
• host_sas_address_show(9)
• logging_level_show(9)
• fwfault_debug_show(9)
• ioc_reset_count_show(9)
• reply_queue_count_show(9)
• BRM_status_show(9)
• host_trace_buffer_size_show(9)
• host_trace_buffer_show(9)
• host_trace_buffer_enable_show(9)
• diag_trigger_master_show(9)
• diag_trigger_master_store(9)
• diag_trigger_event_show(9)
• diag_trigger_event_store(9)
• diag_trigger_scsi_show(9)
• diag_trigger_scsi_store(9)
• diag_trigger_mpi_show(9)
• diag_trigger_mpi_store(9)
• drv_support_bitmap_show(9)
• enable_sdev_max_qd_show(9)
• enable_sdev_max_qd_store(9)
• sas_address_show(9)
• sas_ncq_prio_supported_show(9)
• sas_ncq_prio_enable_show(9)
• mpt3sas_ctl_init(9)
• mpt3sas_ctl_release(9)
• mpt3sas_ctl_exit(9)

like... 80-ish references?? she's connected, she knows everyone, main character energy fr fr 👑

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and that's the whole page, bestie 💖

cute little sign-off: this one's sourced from ./drivers/scsi/mpt3sas and stamped October 2026 — so if you're reading this in the future, hi, ily, go read your sysfs attributes responsibly 🌈🎀🦋