intel_scu_ipc_dev_ioread8(9)
β¨ intel_scu_ipc_dev_ioread8 β¨
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 π like yes bestie we are going that granular
πΈ NAME πΈ
intel_scu_ipc_dev_ioread8 β read a byte via the SCU π
π¦ SYNOPSIS π¦
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 β¨
π ARGUMENTS π
scuβ your optional SCU IPC instance π«Ά (optional!! like it can be NULL-adjacent vibes, the page literally calls it optional)addrβ the register on the SCU you wanna poke at πdataβ return pointer for the read byte, so the byte comes back out through here β
π DESCRIPTION π
Read a single register. That's it, that's the function π
Returns 0 on success or an error code β so like, check it, bestie, don't just assume it ate π
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 π
β οΈ important vibe check: this function may sleep. so do NOT call it from atomic context, fr fr, that's not the moment π
π SEE ALSO π
Kernel file ./drivers/platform/x86/intel_scu_ipc.c β go read the source, iykyk π
intel_scu_ipc_dev_get(9)intel_scu_ipc_dev_put(9)devm_intel_scu_ipc_dev_get(9)intel_scu_ipc_dev_iowrite8(9)intel_scu_ipc_dev_readv(9)intel_scu_ipc_dev_writev(9)intel_scu_ipc_dev_update(9)intel_scu_ipc_dev_simple_command(9)intel_scu_ipc_dev_command_with_size(9)__intel_scu_ipc_register(9)intel_scu_ipc_unregister(9)__devm_intel_scu_ipc_register(9)
the whole friend group, honestly, they all ate π₯
and that's the page!! π mwah π
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 ππ§
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms