megaraid_mbo...epare_epthru(9)

💅 megaraid_mbox_prepare_epthru(9) — Kernel API Manual ✨

okay so bestie, welcome to the kernel API manual for megaraid_mbox_prepare_epthru(9), no cap 🫶 this is the one that gets your commands ready for the physical devices.

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🌸 NAME 🌸

megaraid_mbox_prepare_epthru — literally the function that prepares a command for physical devices 💅

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✨ SYNOPSIS ✨

void megaraid_mbox_prepare_epthru (adapter_t *adapter , scb_t *scb ,
       struct scsi_cmnd *scp );

like, three args, void return, she's tidy 🎀

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🦋 ARGUMENTS 🦋

• adapter — pointer to the controller's soft state 👑 you know, the adapter's whole vibe.
• scb — the scsi control block 💖
• scp — the scsi command from the mid-layer 🧚 straight from the mid-layer, as one does.

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💜 DESCRIPTION 💜

so what does she actually do? Prepare a command for the scsi physical devices 🔥 That's the whole assignment. This routine prepares commands for devices which can take extended CDBs (>10 bytes) — yes, >10 bytes, highkey iconic of them.

ngl if you're dealing with extended CDBs, this is the function you want. She's built for exactly that 💅

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🌈 SEE ALSO 🌈

the friend group is huge, ok. First up, the kernel file ./drivers/scsi/megaraid/megaraid_mbox.c 🍓 and then all these besties:

megaraid_init(9), megaraid_exit(9), megaraid_probe_one(9), megaraid_detach_one(9), megaraid_mbox_shutdown(9), megaraid_io_attach(9), megaraid_io_detach(9), megaraid_init_mbox(9), megaraid_fini_mbox(9), megaraid_alloc_cmd_packets(9), megaraid_free_cmd_packets(9), megaraid_mbox_setup_dma_pools(9), megaraid_mbox_teardown_dma_pools(9), megaraid_alloc_scb(9), megaraid_dealloc_scb(9), megaraid_mbox_mksgl(9), mbox_post_cmd(9), megaraid_queue_command_lck(9), megaraid_mbox_build_cmd(9), megaraid_mbox_runpendq(9), megaraid_mbox_prepare_pthru(9) — hi twin 💖 — megaraid_ack_sequence(9), megaraid_isr(9), megaraid_mbox_dpc(9), megaraid_abort_handler(9), megaraid_reset_handler(9), mbox_post_sync_cmd(9), mbox_post_sync_cmd_fast(9), megaraid_busywait_mbox(9), megaraid_mbox_product_info(9), megaraid_mbox_extended_cdb(9), megaraid_mbox_support_ha(9), megaraid_mbox_support_random_del(9), megaraid_mbox_get_max_sg(9), megaraid_mbox_enum_raid_scsi(9), megaraid_mbox_flush_cache(9), megaraid_mbox_fire_sync_cmd(9), megaraid_mbox_display_scb(9), megaraid_mbox_setup_device_map(9), megaraid_cmm_register(9), megaraid_cmm_unregister(9), megaraid_mbox_mm_handler(9), megaraid_mbox_mm_command(9), megaraid_mbox_mm_done(9), gather_hbainfo(9), megaraid_sysfs_alloc_resources(9), megaraid_sysfs_free_resources(9), megaraid_sysfs_get_ldmap_done(9), megaraid_sysfs_get_ldmap_timeout(9), megaraid_sysfs_get_ldmap(9), megaraid_mbox_app_hndl_show(9), megaraid_mbox_ld_show(9).

periodt. that's the whole roster 😭💀 every single one, we don't skip anyone in this house.

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okay that's the page!! mwah 💋 this manual lives under ./drivers/scsi/megaraid and it's dated October 2026 — so like, see you in the future bestie, slay 💅✨🎀