sclp_sd_store_data(9)

📦 version 7.3.1, in nixpkgs unstable

🌸 sclp_sd_store_data — the NAME bit 🌸

ok so this is a page from the Kernel API Manual (section 9, kernel-space bestie 💅) and it's all about sclp_sd_store_data — which literally just means Obtain data for specified Store Data entity. that's the whole vibe. slay.

✨ SYNOPSIS ✨

int sclp_sd_store_data (struct sclp_sd_data *result , u8 di );

like, that's the whole signature. she's compact. she's iconic. 🎀

🫶 ARGUMENTS 🫶

  • result — the resulting data. this is where the good stuff lands, bestie 💖
  • di — the DI value associated with this entity. yes, it's just a u8, no she's not gonna elaborate further, that's the whole description 🙈

💫 DESCRIPTION 💫

okay so picture this: the function performs a series of Store Data requests — not one, a whole series, the way that it keeps going 🔥 — and the goal is to obtain both the size and the contents of the specified Store Data entity.

that's it. that's the function. size + contents. get you a function that can do both 💅

🔥 RETURN 🔥

  • 0 — Success! 🎉 the result is stored in result. important though: result->data must be released using vfree after use. do not forget. do not ghost your vfree. 😭
  • -ENOENT — No data available for this entity. it's giving empty. it's giving nothing in the fridge. 🙈
  • %<0 — Other error. any other negative value, you're in "something went wrong and it's not the no-data one" territory 💀
ngl the vfree line is the main character here — free your result->data or you're leaking, and leaking is not the vibe 🫶

🌈 SEE ALSO 🌈

the kernel file lives at ./drivers/s390/char/sclp_sd.c — go read it, iykyk 📖

and then the whole friend group:

like, the entire sclp_sd cinematic universe ✨🧚

ok that's the page!! mwah 💖

this masterpiece lives in ./drivers/s390/char and it's dated October 2026 — so yeah, future-dated kernel docs, we love to see it 👑. catch you in the next manpage, bestie, stay freeing your vfrees 🎀🌸💜

📦 where this page comes from