lpfc_mbox_dev_check(9)

💖 lpfc_mbox_dev_check(9) 💖

okay so bestie, welcome to the Kernel API Manual — this is the page for lpfc_mbox_dev_check(9), and honestly? it's a short one, so we can vibe.

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✨ NAME ✨

lpfc_mbox_dev_check — check the device state for issuing a mailbox command 👑 (yes that's it, that's the whole job, and she does it well)

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🦋 SYNOPSIS 🦋

int lpfc_mbox_dev_check (struct lpfc_hba *phba );

like, it takes one thing and gives you back an int, no cap.

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🎀 ARGUMENTS 🎀

• phba — pointer to lpfc_hba data structure. that's the HBA's whole little data situation, and you're handing her the pointer to it 🫶

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🌸 DESCRIPTION 🌸

so what this routine does is literally check whether the HBA device is ready for posting a mailbox command. that's the entire personality 💅

it gets used by the mailbox transport API at the time the to post a mailbox command to the device. (yes, the original says "at the time the to post" — we don't fix the manpage's grammar, we respect the manpage's grammar 😭)

and the return values, bestie, are giving very binary:

• 0 — pass the check ✅ slay
• -ENODEV — fail the check 💀 (device said no)

fr fr: 0 means go, -ENODEV means the device isn't there / isn't ready, and that's the whole check. don't overthink it.

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🌈 SEE ALSO 🌈

kernel file ./drivers/scsi/lpfc/lpfc_mbox.c, plus this whole friend group of functions:

• lpfc_mbox_rsrc_prep(9)
• lpfc_mbox_rsrc_cleanup(9)
• lpfc_dump_static_vport(9)
• lpfc_down_link(9)
• lpfc_dump_mem(9)
• lpfc_dump_wakeup_param(9)
• lpfc_read_nv(9)
• lpfc_config_async(9)
• lpfc_heart_beat(9)
• lpfc_read_topology(9)
• lpfc_clear_la(9)
• lpfc_config_link(9)
• lpfc_config_msi(9)
• lpfc_init_link(9)
• lpfc_read_sparam(9)
• lpfc_unreg_did(9)
• lpfc_read_config(9)
• lpfc_read_lnk_stat(9)
• lpfc_reg_rpi(9)
• lpfc_unreg_login(9)
• lpfc_sli4_unreg_all_rpis(9)
• lpfc_reg_vpi(9)
• lpfc_unreg_vpi(9)
• lpfc_config_pcb_setup(9)
• lpfc_read_rev(9)
• lpfc_build_hbq_profile2(9)
• lpfc_build_hbq_profile3(9)
• lpfc_build_hbq_profile5(9)
• lpfc_config_hbq(9)
• lpfc_config_ring(9)
• lpfc_config_port(9)
• lpfc_kill_board(9)
• lpfc_mbox_put(9)
• lpfc_mbox_get(9)
• __lpfc_mbox_cmpl_put(9)
• lpfc_mbox_cmpl_put(9)
• lpfc_mbox_cmd_check(9)
• lpfc_mbox_tmo_val(9)
• lpfc_sli4_mbx_sge_set(9)
• lpfc_sli4_mbx_sge_get(9)
• lpfc_sli4_mbox_cmd_free(9)
• lpfc_sli4_config(9)
• lpfc_sli4_mbox_rsrc_extent(9)
• lpfc_sli_config_mbox_subsys_get(9)
• lpfc_sli_config_mbox_opcode_get(9)
• lpfc_sli4_mbx_read_fcf_rec(9)
• lpfc_request_features(9)
• lpfc_init_vfi(9)
• lpfc_reg_vfi(9)
• lpfc_init_vpi(9)
• lpfc_unreg_vfi(9)
• lpfc_sli4_dump_cfg_rg23(9)
• lpfc_reg_fcfi(9)
• lpfc_reg_fcfi_mrq(9)
• lpfc_unreg_fcfi(9)
• lpfc_resume_rpi(9)

like... a whole roster. main character energy from every single one of them 💜

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and that's the page, bestie!! 🧚 from ./drivers/scsi/lpfc, dated October 2026, still living in the lpfc_mbox_dev_check(9) era. mwah, go pass that check 🍓✨