zynqmp_pm_read_pggs(9)

📦 version 7.3.1, in nixpkgs unstable

💅 zynqmp_pm_read_pggs(9) — the Kernel API Manual, but make it make sense

okay so bestie, gather round 🫶 this one lives in the Kernel API Manual and it's called zynqmp_pm_read_pggs — a PM API for reading persistent global general storage (pggs). yes i know that's a mouthful, we'll get through it together ✨

🌸 NAME 🌸

zynqmp_pm_read_pggs — PM API for reading persistent global general storage (pggs)

like, literally what it says on the tin 🎀

✨ SYNOPSIS ✨

int zynqmp_pm_read_pggs (u32 index , u32 *value );

that's the whole signature, no cap 💅 it returns an int and takes two things, which we are about to go through.

🦋 ARGUMENTS 🦋

  • index — the PGGS register index. aka which register you're pointing at, bestie 👀
  • value — "Register value to be written". that is, word for word, what the manpage says 😭 we are not going to pretend it makes more sense than it does — just know it's the u32 * you pass in.

🔥 DESCRIPTION 🔥

This function returns the PGGS register value. that's it. that's the whole vibe 🌈 tiny function, main character energy.

persistent global general storage — pggs — and you're reading it. iconic, honestly 👑

👑 RETURN 👑

It returns a status: either success, or error plus a reason 💀 so like, always check it, bestie. do not just assume slay.

🧚 SEE ALSO 🧚

buckle up, this list is long — it's giving whole-family-reunion. every single one of these, exactly as written:

Kernel file ./drivers/firmware/xilinx/zynqmp.c

fr fr, that's all of them — don't skip any, iykyk 🍓

and that's the page, bestie! 💖 source-wise it comes out of ./drivers/firmware/xilinx, stamped October 2026, and it's filed under zynqmp_pm_read_pggs(9) in the Kernel API Manual — go read your persistent global general storage responsibly, mwah 😭🫶✨

📦 where this page comes from