intel_scu_ipc_dev_ioread8(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

✨ intel_scu_ipc_dev_ioread8 ✨

okay so real talk, this is a page from the Kernel API Manual and it's about reading literally one (1) single byte through the SCU πŸŽ€ like yes bestie we are going that granular


🌸 NAME 🌸

intel_scu_ipc_dev_ioread8 β€” read a byte via the SCU πŸ’…


πŸ¦‹ SYNOPSIS πŸ¦‹

int intel_scu_ipc_dev_ioread8 (struct intel_scu_ipc_dev *scu , u16 addr
, u8 *data );

that's the whole thing. commit it to memory, it's giving minimal and iconic ✨


πŸŽ€ ARGUMENTS πŸŽ€

  • scu β€” your optional SCU IPC instance 🫢 (optional!! like it can be NULL-adjacent vibes, the page literally calls it optional)
  • addr β€” the register on the SCU you wanna poke at πŸ“
  • data β€” return pointer for the read byte, so the byte comes back out through here ⭐

πŸ’– DESCRIPTION πŸ’–

Read a single register. That's it, that's the function 😌

Returns 0 on success or an error code β€” so like, check it, bestie, don't just assume it ate πŸ™ˆ

All locking between SCU accesses is handled for the caller. no cap, you don't have to do any of that yourself, it's already done for you, you're welcome πŸ’…

⚠️ important vibe check: this function may sleep. so do NOT call it from atomic context, fr fr, that's not the moment 😭

🌈 SEE ALSO 🌈

Kernel file ./drivers/platform/x86/intel_scu_ipc.c β€” go read the source, iykyk πŸ‘‘

the whole friend group, honestly, they all ate πŸ”₯


and that's the page!! πŸ’œ mwah πŸ’‹

this lil masterpiece lives in ./drivers/platform/x86 and it's dated October 2026 β€” see you there bestie, stay hydrated and don't forget to check your return codes πŸ“πŸ§š

πŸ“¦ where this page comes from