STRUCT HFI_HDR(9)

🌸 NAME 🌸

Okay bestie, welcome to the Kernel API Manual section 💖 — this page is all about struct hfi_hdr(9), aka the header of the HFI table. That's the whole name, no cap. ✨

✨ SYNOPSIS ✨

Here's the struct in all its tiny iconic glory:

struct hfi_hdr {
    u8 perf_updated;
    u8 ee_updated;
 };

🫶 Members 🫶

• perf_updated — hardware updated performance capabilities. Basically the hardware saying “performance info got a glow-up.” 💅
• ee_updated — hardware updated energy efficiency capabilities. The energy-efficiency side of that same update vibe. 🦋

🎀 Description 🎀

These are the properties of the data in an HFI table. Short, sweet, and lowkey important. 🍓

👑 SEE ALSO 👑

Go check out these besties too:

• Kernel file ./drivers/thermal/intel/intel_hfi.c
• struct hfi_cpu_data(9)
• struct hfi_instance(9)
• struct hfi_features(9)
• struct hfi_cpu_info(9)
• intel_hfi_online(9)
• intel_hfi_offline(9)

And that's the whole page, bestie — mwah 💋 This cutie came from ./drivers/thermal/intel, dated October 2026, and it's filed under struct hfi_hdr(9). Periodt. 🌈