lpfc_mbox_cmd_check(9)

💖 lpfc_mbox_cmd_check(9) — kernel API manual, bestie edition ✨

🎀 NAME 🎀

lpfc_mbox_cmd_check — check the validality of a mailbox command

Yes, validality is literally the spelling on the page — we do not fix canon 💅

---

🌸 SYNOPSIS 🌸

int lpfc_mbox_cmd_check (struct lpfc_hba *phba , LPFC_MBOXQ_t *mboxq );

---

🦋 ARGUMENTS 🦋

• phba — pointer to the lpfc hba data structure.
• mboxq — pointer to the driver internal queue element for a mailbox command.

---

✨ DESCRIPTION ✨

Okay so this routine is here to check whether a mailbox command is valid to be issued. It's the vibe check for mailbox commands, basically.

This check will be performed by both the mailbox issue API when a client is to issue a mailbox command to the mailbox transport.

Return values, iconic and simple:

• 0 — pass the check ✅
• -ENODEV — fail the check ❌

No cap: those are the only return outcomes listed here. 0 means pass, -ENODEV means fail. Periodt. 💅

---

🌈 SEE ALSO 🌈

Kernel file: ./drivers/scsi/lpfc/lpfc_mbox.c — and literally the whole crew:

• 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_dev_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)

---

💌 That's the whole page, bestie. Source/version: ./drivers/scsi/lpfc · date: October 2026 · page: lpfc_mbox_cmd_check(9). Go forth and check those mailbox commands. 🫶✨