peci_pcs_read(9)

💖 NAME 💖

peci_pcs_read — read PCS register. Okay so this is the peci_pcs_read(9) page from the Kernel API Manual, and bestie, it's literally the function that reads a PCS register ✨

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🌸 SYNOPSIS 🌸

int peci_pcs_read (struct peci_device *device , u8 index , u16 param ,
       u32 *data );

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🫶 ARGUMENTS 🫶

• device — the PECI device to which the request is going to be sent 💌
• index — the PCS index 🔢
• param — the PCS parameter 🎀
• data — where to store the read data 🫙

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🦋 DESCRIPTION 🦋

It uses the RdPkgConfig PECI command. That's the whole tea, no cap ☕✨

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🌈 RETURN 🌈

Returns 0 if it succeeded, and other values in case of errors. So like, 0 is the slay outcome 💅

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👑 SEE ALSO 👑

Kernel file ./drivers/peci/cpu.c, plus these iconic little functions: peci_temp_read(9), peci_pci_local_read(9), peci_ep_pci_local_read(9), peci_mmio_read(9) 🌟

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mwah 💋 this cutie came from ./drivers/peci, dated October 2026, and it's literally peci_pcs_read(9) — periodt 🎀