STRUCT TEMP_MASKS(9)

💜 struct temp_masks(9) — a Kernel API Manual moment

okay so bestie, welcome to struct temp_masks(9) from the Kernel API Manual, and honestly? it's giving "small struct, big responsibilities" ✨

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🌸 NAME 🌸

struct temp_masks — literally just bitmasks for temperature readings 🎀 no cap, that's the whole vibe.

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🦋 SYNOPSIS 🦋

struct temp_masks {
    u32 tcc_offset;
    u32 digital_readout;
    u32 pkg_digital_readout;
 };

that's it. that's the struct. three u32s and a dream 💅 (yes, the closing brace really is indented like that, we don't touch it, we respect it)

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🫶 Members 🫶

• tcc_offset — the TCC offset, living its best life inside MSR_TEMPERATURE_TARGET ✨
• digital_readout — the digital readout, hanging out in MSR_IA32_THERM_STATUS 💖
• pkg_digital_readout — the digital readout but make it package-wide, chillin' in MSR_IA32_PACKAGE_THERM_STATUS 🔥

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⭐ Description ⭐

so these are bitmasks whose entire job is to extract the fields out of the MSR_TEMPERATURE and IA32_[PACKAGE]_ THERM_STATUS registers — and they differ per processor model, so like, every CPU gets its own little mask lineup 👑 iykyk.

⚠️ important lil heads-up bestie: the bitmask for TjMax is not included in this structure. it's always 0xff. always. periodt. 💀

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🌈 SEE ALSO 🌈

• Kernel file ./drivers/thermal/intel/intel_tcc.c — go read it, it's right there 🧚
• intel_tcc_get_offset_mask(9)
• get_temp_mask(9)
• intel_tcc_get_tjmax(9)
• intel_tcc_get_offset(9)
• intel_tcc_set_offset(9)
• intel_tcc_get_temp(9)

all the little friends, linked together, main character energy all around 🦋

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and that's the page!! 💖 this lil slice of the Kernel API Manual comes to you from ./drivers/thermal/intel, dated October 2026, and it's literally called struct temp_masks(9) — slay, go read your MSRs responsibly 🎀🫶