mpi3mr_bsg_process_drv_cmds(9)

💅 mpi3mr_bsg_process_drv_cmds(9) 💅

okay so bestie, you're looking at a page from the Kernel API Manual — this is mpi3mr_bsg_process_drv_cmds(9), and it's genuinely the front door for driver commands coming in through BSG. let's get into it 🎀

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✨ NAME ✨

mpi3mr_bsg_process_drv_cmds — the Driver Command handler. that's the whole vibe. it handles driver commands. iconic of it, honestly 👑

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🌸 SYNOPSIS 🌸

long mpi3mr_bsg_process_drv_cmds (struct bsg_job *job );

like, one function, one job pointer, one long coming back at you. clean. minimal. ate 💅

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🦋 ARGUMENTS 🦋

• job — your BSG job reference. that's the ticket 🎟️, the whole context for the thing you're asking the driver to do. hold onto it bestie.

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💖 DESCRIPTION 💖

so. this function is the top level handler for driver commands. the main character, if you will 👑.

what it does is:

1. does some basic validation of the buffer — vibe check first, always 🔍
2. identifies the opcode — figures out what you're actually asking for 👀
3. switches to the correct sub handler — and hands the whole thing off to whoever's qualified, periodt ✨

that's it. it's a traffic director, not a worker bee. it validates, it reads the opcode, it routes. no cap 🫶

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⭐ RETURN ⭐

• 0 on success 🎉
• and proper error codes on failure 😭 (yes, the docs really say "proper error codes" — she's mysterious like that)

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🌈 SEE ALSO 🌈

the source lives here, babe:

• Kernel file ./drivers/scsi/mpi3mr/mpi3mr_app.c

and like… the whole extended friend group 🫶:

• mpi3mr_alloc_trace_buffer(9)
• mpi3mr_alloc_diag_bufs(9)
• mpi3mr_issue_diag_buf_post(9)
• mpi3mr_post_diag_bufs(9)
• mpi3mr_issue_diag_buf_release(9)
• mpi3mr_process_trigger(9)
• mpi3mr_global_trigger(9)
• mpi3mr_scsisense_trigger(9)
• mpi3mr_event_trigger(9)
• mpi3mr_reply_trigger(9)
• mpi3mr_get_num_trigger(9)
• mpi3mr_refresh_trigger(9)
• mpi3mr_release_diag_bufs(9)
• mpi3mr_set_trigger_data_in_hdb(9)
• mpi3mr_set_trigger_data_in_all_hdb(9)
• mpi3mr_hdbstatuschg_evt_th(9)
• mpi3mr_diag_buffer_for_type(9)
• mpi3mr_bsg_pel_abort(9)
• mpi3mr_bsg_verify_adapter(9)
• mpi3mr_bsg_refresh_hdb_triggers(9)
• mpi3mr_bsg_upload_hdb(9)
• mpi3mr_bsg_repost_hdb(9)
• mpi3mr_bsg_query_hdb(9)
• mpi3mr_enable_logdata(9)
• mpi3mr_get_logdata(9)
• mpi3mr_bsg_pel_enable(9)
• mpi3mr_get_all_tgt_info(9)
• mpi3mr_get_change_count(9)
• mpi3mr_bsg_adp_reset(9)
• mpi3mr_bsg_populate_adpinfo(9)
• mpi3mr_total_num_ioctl_sges(9)
• mpi3mr_bsg_build_sgl(9)
• mpi3mr_get_nvme_data_fmt(9)
• mpi3mr_build_nvme_sgl(9)
• mpi3mr_build_nvme_prp(9)
• mpi3mr_map_data_buffer_dma(9)
• mpi3mr_bsg_process_mpt_cmds(9)
• mpi3mr_app_save_logdata_th(9)
• mpi3mr_bsg_request(9)
• mpi3mr_bsg_exit(9)
• mpi3mr_bsg_node_release(9)
• mpi3mr_bsg_init(9)
• version_fw_show(9)
• fw_queue_depth_show(9)
• op_req_q_count_show(9)
• reply_queue_count_show(9)
• reply_qfull_count_show(9)
• logging_level_show(9)
• logging_level_store(9)
• adp_state_show(9)
• fwfault_count_show(9)
• sas_address_show(9)
• device_handle_show(9)
• persistent_id_show(9)
• sas_ncq_prio_supported_show(9)
• sas_ncq_prio_enable_show(9)

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bestie note: this page is from the ./drivers/scsi/mpi3mr section, dated October 2026 🗓️💜 go read the source file, it's giving lore.

okay that's the whole page, mwah 💋 go be a driver-command-processing icon 🧚✨