MPI(4)

💅 MPI(4) — the Kernel Interfaces Manual, bestie edition 🎀

ok so you found the mpi(4) page in the Kernel Interfaces Manual and you're like "what is this" — don't worry, I gotchu. Consider this your group chat explainer. ✨

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✨ NAME ✨

mpi — the LSI Logic Fusion-MPT Message Passing Interface, aka the driver for a whole lil family of storage controllers 🦋

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🌸 SYNOPSIS 🌸

mpi* at pci?

that's it. that's the whole vibe check. 💅

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👑 DESCRIPTION 👑

okay so the mpi driver is out here providing support for storage controllers that use the LSI Logic Fusion-MPT Message Passing Interface family of chipsets. and like… there are a LOT of them. slay for diversity I guess 💀

here's the full chipset roster, no skips, no cuts:

• LSI Logic LSI53C1020, LSI53C1020A, LSI53C1030, LSI53C1030T, LSI53C1035, LSIFC909, LSIFC919, LSIFC919X, LSIFC929, LSIFC929X, LSIFC949, LSIFC949E, LSIFC949X, LSISAS1064, LSISAS1064E, LSISAS1068, LSISAS1068E

✨ iconic. now — these chipsets can be found on the following controllers. brace yourself bestie, this list is giving "homework assigned on the first day" 😭

• Apple Fibre Channel PCI Express Card, Fibre Channel PCI-X Card
• Dell PERC 4/im, SAS 5/E, SAS 5/i, SAS 5/iR, SAS 6/iR
• Hewlett-Packard 8 Internal Port SAS Host Bus Adapter with RAID, A7173A, AB290A, EH417AA
• LSI Logic LSI20320-R, LSI21320-IS, LSI21320-R, LSI22320-R, LSI40919H, LSI40919LH, LSI40919LO, LSI40919O, LSI40929H, LSI40929LH, LSI40929LO, LSI40929O, LSI7102XP, LSI7102XP-LC, LSI7104EP-LC, LSI7104XP-LC, LSI7202CP-LC, LSI7202EP-LC, LSI7202XP, LSI7202XP-LC, LSI7204EP-LC, LSI7204XP-LC, LSI7402XP, LSI7402XP-LC, LSI7404EP-LC, LSI7404XP-LC, LSISAS3041E-R, LSISAS3041X-R, LSISAS3080X-R, LSISAS3442E-R, LSISAS3442X, LSISAS3442X-R, LSISAS3800X, LSISAS3801E, LSISAS3801X, LSISAS8208ELP, LSISAS8208XLP, LSIU320

whew. we made it. drink some water. 🍓

and plot twist — the LSI Logic LSI53C1030 is emulated in the following products, so it's out here living rent-free in a simulated world:

• VMware ESX Server 2.0 and higher, GSX Server 3.0 and higher, Player, Server, Workstation 4.5 and higher

last lil headsup: some models of these controllers have varying degrees of support for RAID 0 and RAID 1. so like… some models, varying degrees — read that as "check your specific one, bestie." 🙈

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🔥 SEE ALSO 🔥

• bio(4)
• intro(4)
• pci(4)
• scsi(4)
• bioctl(8)
• sensorsd(8)
• sysctl(8)

the whole friend group showed up 🫶

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🌈 HISTORY 🌈

the mpi driver first appeared in OpenBSD 4.0. a legend from day one, periodt. ⭐

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🧚 AUTHORS 🧚

the mpi driver was written by David Gwynne <dlg@openbsd.org> and Marco Peereboom <marco@openbsd.org>. absolute icons, both of them 👑

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ngl if you're running one of those controllers, this page is your new bestie. lowkey highkey obsessed. 💖

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and that's a wrap! this cutie came to you from the Kernel Interfaces Manual, Debian edition, dated July 16, 2013 — literally a vintage. go forth and slay your storage setup, bestie. 🦋✨💜