scsw_cmd_is_valid_pno(9)

📦 version 7.3.1, in nixpkgs unstable

💅 scsw_cmd_is_valid_pno(9) — like, the Kernel API Manual page, bestie 💅

okay so picture this: it's a Kernel API Manual page, the function is literally called scsw_cmd_is_valid_pno, and it's here to do one (1) glorious thing. Let's get into it 🫶

✨ NAME ✨

scsw_cmd_is_valid_pno — check pno field validity 👑

Yeah. That's the whole job. It checks if the pno field is valid. Main character behavior, honestly.

🌸 SYNOPSIS 🌸

int scsw_cmd_is_valid_pno (union scsw *scsw );

That's it. That's the whole vibe check. ✨

🎀 ARGUMENTS 🎀

  • scsw — pointer to scsw. that's the tea, that's the whole argument, she's a pointer to an union scsw and she's doing her best 💖

🦋 DESCRIPTION 🦋

okay so here's the deal, no cap: this function returns non-zero if the pno field of the specified command mode scsw is valid, and zero otherwise. That's it!! That's the entire function!! She's a little boolean gremlin and we love her for it 😭💜

like, that's the whole thing. is pno valid? yes or no. iconic. periodt. 💅

🌈 SEE ALSO 🌈

bestie there are SO many siblings in this family, buckle up 🧚‍♀️ first off, the Kernel file:

  • ./arch/s390/include/asm/scsw.h

and then the whole extended friend group:

iykyk 💫

okay that's the whole page!! mwah 💋 this little baddie lives in ./arch/s390/include/asm and this version is dated October 2026 — check the source for the freshest tea, bestie 🍓✨

📦 where this page comes from