initio_se2_wr(9)

📦 version 7.3.1, in nixpkgs unstable

💾 initio_se2_wr(9) — bestie's guide to the Kernel API Manual 🌸

okay so this is a page from the Kernel API Manual, and it's about a lil function called initio_se2_wr. it lives waaaay down in the kernel's SCSI corner and honestly? it's giving "small but important" energy. let's get into it 🫶

✨ NAME ✨

initio_se2_wr — read E2PROM word

and yes, the NAME line literally says "read" while the function goes and writes stuff 😭 not me pointing that out, but like… the manpage said it, not me. anyway, that's what it says, so that's what we're telling you 💅

🎀 SYNOPSIS 🎀

void initio_se2_wr (unsigned long base , u8 addr , u16 val );

three args, no return value (void, she doesn't give anything back, she just does 💅). copy it exactly, bestie, don't improvise.

🌈 ARGUMENTS 🌈

  • base — the base of the InitIO controller. like, where the whole controller situation starts. your home address for the hardware 🏠
  • addr — the address of the word in E2PROM. which lil word are we messing with 🔍
  • val — the value to write. the actual payload, the main character of this whole operation 👑

💖 DESCRIPTION 💖

so what does it do? it writes a word to the NV E2PROM device, periodt ✨

and when does it get used? when you're recovering from a problem with the NV. that's it, that's the whole vibe. it's the "oops, the NV is being weird, better write something to it" function 🩹

lowkey a fix-it situation, so handle with care — it exists for recovery, not for casual Tuesday-night E2PROM crafting 🙈

🦋 SEE ALSO 🦋

this list is long, bestie, and every single one of these deserves a shoutout. the kernel file in question is ./drivers/scsi/initio.c, and from there we've got:

like, that's the whole friend group right there 😭 they all showed up to the group chat, no one left on read 🫶

and that's the page! this lil gem comes from ./drivers/scsi, dated October 2026, and the page itself is initio_se2_wr(9). go write some E2PROM words responsibly, bestie 💜✨

📦 where this page comes from